From c97ca3eda5494831c676a5ac2fcee6412fcdeccc Mon Sep 17 00:00:00 2001 From: ProtectedVariable Date: Wed, 14 Jan 2026 17:39:53 +0100 Subject: [PATCH 01/14] start split of cpu and gpu assets --- ICE/Assets/CMakeLists.txt | 6 +- ICE/Assets/include/GPURegistry.h | 33 +++++ ICE/{Graphics => Assets}/include/Material.h | 0 ICE/{Graphics => Assets}/include/Mesh.h | 137 +++++++++--------- ICE/{Graphics => Assets}/include/Model.h | 0 ICE/Assets/include/Shader.h | 20 +++ ICE/{Graphics => Assets}/include/Texture.h | 7 +- ICE/Assets/src/GPURegistry.cpp | 78 ++++++++++ ICE/{Graphics => Assets}/src/Material.cpp | 0 ICE/{Graphics => Assets}/src/Model.cpp | 0 ICE/Assets/src/Shader.cpp | 13 ++ ICE/Graphics/CMakeLists.txt | 4 +- ICE/Graphics/include/GPUMesh.h | 11 ++ ICE/Graphics/include/GPUTexture.h | 8 + ICE/Graphics/include/GraphicsFactory.h | 13 +- ICE/Graphics/include/RenderCommand.h | 10 +- ICE/Graphics/include/Renderer.h | 15 +- .../include/{Shader.h => ShaderProgram.h} | 19 +-- ICE/Graphics/src/GeometryPass.cpp | 7 +- ICE/Graphics/src/Mesh.cpp | 8 - .../OpenGL/include/OpenGLFactory.h | 15 +- ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h | 4 +- .../OpenGL/include/OpenGLTexture.h | 50 +------ .../OpenGL/src/OpenGLTexture2D.cpp | 54 +------ ICE/IO/src/ModelLoader.cpp | 30 ---- ICE/IO/src/TextureLoader.cpp | 4 +- ICEBERG/CMakeLists.txt | 1 + ICEBERG/UI/LightComponentWidget.h | 6 +- ICEBERG/UI/ShaderEditDialog.h | 62 ++++++++ ICEBERG/include/ShaderEditor.h | 24 +++ ICEBERG/src/ShaderEditor.cpp | 40 +++++ 31 files changed, 418 insertions(+), 261 deletions(-) create mode 100644 ICE/Assets/include/GPURegistry.h rename ICE/{Graphics => Assets}/include/Material.h (100%) rename ICE/{Graphics => Assets}/include/Mesh.h (86%) rename ICE/{Graphics => Assets}/include/Model.h (100%) create mode 100644 ICE/Assets/include/Shader.h rename ICE/{Graphics => Assets}/include/Texture.h (95%) create mode 100644 ICE/Assets/src/GPURegistry.cpp rename ICE/{Graphics => Assets}/src/Material.cpp (100%) rename ICE/{Graphics => Assets}/src/Model.cpp (100%) create mode 100644 ICE/Assets/src/Shader.cpp create mode 100644 ICE/Graphics/include/GPUMesh.h create mode 100644 ICE/Graphics/include/GPUTexture.h rename ICE/Graphics/include/{Shader.h => ShaderProgram.h} (67%) create mode 100644 ICEBERG/UI/ShaderEditDialog.h create mode 100644 ICEBERG/include/ShaderEditor.h create mode 100644 ICEBERG/src/ShaderEditor.cpp diff --git a/ICE/Assets/CMakeLists.txt b/ICE/Assets/CMakeLists.txt index a3352f0e..4056e5a6 100644 --- a/ICE/Assets/CMakeLists.txt +++ b/ICE/Assets/CMakeLists.txt @@ -7,7 +7,11 @@ add_library(${PROJECT_NAME} STATIC) target_sources(${PROJECT_NAME} PRIVATE src/AssetBank.cpp - src/AssetPath.cpp) + src/AssetPath.cpp + src/Shader.cpp + src/Model.cpp + src/Material.cpp + src/GPURegistry.cpp) target_link_libraries(${PROJECT_NAME} PUBLIC diff --git a/ICE/Assets/include/GPURegistry.h b/ICE/Assets/include/GPURegistry.h new file mode 100644 index 00000000..06b4bddc --- /dev/null +++ b/ICE/Assets/include/GPURegistry.h @@ -0,0 +1,33 @@ +#pragma once + +#include +#include +#include +#include + +#include + +#include "Asset.h" +#include "Mesh.h" +#include "Shader.h" +#include "Texture.h" + +namespace ICE { +class GPURegistry { + public: + GPURegistry(const std::shared_ptr &factory); + + std::shared_ptr getShader(AssetUID id, const std::shared_ptr &shader_asset); + std::shared_ptr getMesh(AssetUID id, const std::shared_ptr &mesh_asset); + std::shared_ptr getTexture2D(AssetUID id, const std::shared_ptr &tex_asset); + std::shared_ptr getCubemap(AssetUID id, const std::shared_ptr &tex_asset); + + private: + std::unordered_map> m_shader_programs; + std::unordered_map> m_gpu_meshes; + std::unordered_map> m_gpu_tex2d; + std::unordered_map> m_gpu_cubemaps; + + std::shared_ptr m_graphics_factory; +}; +} // namespace ICE diff --git a/ICE/Graphics/include/Material.h b/ICE/Assets/include/Material.h similarity index 100% rename from ICE/Graphics/include/Material.h rename to ICE/Assets/include/Material.h diff --git a/ICE/Graphics/include/Mesh.h b/ICE/Assets/include/Mesh.h similarity index 86% rename from ICE/Graphics/include/Mesh.h rename to ICE/Assets/include/Mesh.h index da0ae0de..907118e6 100644 --- a/ICE/Graphics/include/Mesh.h +++ b/ICE/Assets/include/Mesh.h @@ -1,70 +1,69 @@ -// -// Created by Thomas Ibanez on 16.11.20. -// - -#pragma once - -#include -#include - -#include -#include - -#include "VertexArray.h" - -namespace ICE { - -constexpr int MAX_BONES_PER_VERTEX = 4; -constexpr int MAX_BONES = 100; -constexpr int INVALID_BONE_ID = -1; - -struct MeshData { - std::vector vertices; - std::vector normals; - std::vector uvCoords; - std::vector tangents; - std::vector bitangents; - std::vector boneIDs; - std::vector boneWeights; - std::vector indices; -}; - -struct SkinningData { - std::unordered_map boneOffsetMatrices; -}; - -class Mesh : public Asset { - public: - Mesh(const MeshData &data); - Mesh(MeshData &&data); - - const std::vector &getVertices() const; - - const std::vector &getNormals() const; - - const std::vector &getUVCoords() const; - - const std::vector &getIndices() const; - - const std::shared_ptr getVertexArray() const; - void setVertexArray(const std::shared_ptr &vao); - - const AABB &getBoundingBox() const; - - std::string getTypeName() const override; - AssetType getType() const override; - bool usesBones() const { return m_has_bones; } - void setSkinningData(const SkinningData &skinningData) { - m_skinningData = skinningData; - m_has_bones = true; - } - - SkinningData getSkinningData() const { return m_skinningData; } - private: - MeshData m_data; - SkinningData m_skinningData; - bool m_has_bones = false; - std::shared_ptr vertexArray; - AABB boundingBox; -}; +// +// Created by Thomas Ibanez on 16.11.20. +// + +#pragma once + +#include +#include + +#include +#include + +#include "VertexArray.h" + +namespace ICE { + +constexpr int MAX_BONES_PER_VERTEX = 4; +constexpr int MAX_BONES = 100; +constexpr int INVALID_BONE_ID = -1; + +struct MeshData { + std::vector vertices; + std::vector normals; + std::vector uvCoords; + std::vector tangents; + std::vector bitangents; + std::vector boneIDs; + std::vector boneWeights; + std::vector indices; +}; + +struct SkinningData { + std::unordered_map boneOffsetMatrices; +}; + +class Mesh : public Asset { + public: + Mesh(const MeshData &data); + Mesh(MeshData &&data); + + const MeshData &getMeshData() const { return m_data; } + + const std::vector &getVertices() const; + + const std::vector &getNormals() const; + + const std::vector &getUVCoords() const; + + const std::vector &getIndices() const; + + const AABB &getBoundingBox() const; + + std::string getTypeName() const override; + AssetType getType() const override; + bool usesBones() const { return m_has_bones; } + void setSkinningData(const SkinningData &skinningData) { + m_skinningData = skinningData; + m_has_bones = true; + } + + SkinningData getSkinningData() const { return m_skinningData; } + + private: + MeshData m_data; + SkinningData m_skinningData; + bool m_has_bones = false; + AABB boundingBox; +}; } // namespace ICE \ No newline at end of file diff --git a/ICE/Graphics/include/Model.h b/ICE/Assets/include/Model.h similarity index 100% rename from ICE/Graphics/include/Model.h rename to ICE/Assets/include/Model.h diff --git a/ICE/Assets/include/Shader.h b/ICE/Assets/include/Shader.h new file mode 100644 index 00000000..10715ec5 --- /dev/null +++ b/ICE/Assets/include/Shader.h @@ -0,0 +1,20 @@ +// +// Created by Thomas Ibanez on 20.11.20. +// + +#ifndef ICE_SHADER_H +#define ICE_SHADER_H + +#include + + +namespace ICE { +class Shader : public Asset { + public: + std::string getTypeName() const override; + + AssetType getType() const override; +}; +} // namespace ICE + +#endif //ICE_SHADER_H diff --git a/ICE/Graphics/include/Texture.h b/ICE/Assets/include/Texture.h similarity index 95% rename from ICE/Graphics/include/Texture.h rename to ICE/Assets/include/Texture.h index 6de9653d..b19ce1ab 100644 --- a/ICE/Graphics/include/Texture.h +++ b/ICE/Assets/include/Texture.h @@ -4,10 +4,9 @@ #ifndef ICE_TEXTURE_H #define ICE_TEXTURE_H -#include - #include #include +#include #include #include @@ -22,6 +21,7 @@ enum class TextureType { Tex2D = 0, CubeMap = 1 }; class Texture : public Asset { public: virtual void bind(uint32_t slot = 0) const = 0; + virtual const void* data() const = 0; virtual void setData(void* data, uint32_t size) = 0; virtual TextureFormat getFormat() const = 0; @@ -33,9 +33,10 @@ class Texture : public Asset { virtual TextureType getTextureType() const = 0; + protected: static void* getDataFromFile(const std::string file, int* width, int* height, int* channels, int force = STBI_default) { stbi_uc* data = stbi_load(file.c_str(), width, height, channels, force); - if(data == nullptr) { + if (data == nullptr) { Logger::Log(Logger::ERROR, "Graphics", "Texture %s could not load: %s", file.c_str(), stbi_failure_reason()); } return data; diff --git a/ICE/Assets/src/GPURegistry.cpp b/ICE/Assets/src/GPURegistry.cpp new file mode 100644 index 00000000..36bbbd32 --- /dev/null +++ b/ICE/Assets/src/GPURegistry.cpp @@ -0,0 +1,78 @@ +#include "GPURegistry.h" + +#include + +namespace ICE { +GPURegistry::GPURegistry(const std::shared_ptr &factory) : m_graphics_factory(factory) { +} + +std::shared_ptr GPURegistry::getShader(AssetUID id, const std::shared_ptr &shader_asset) { + if (m_shader_programs.contains(id)) { + return m_shader_programs[id]; + } else { + auto program = m_graphics_factory->createShader(*shader_asset); + m_shader_programs[id] = program; + return program; + } +} + +std::shared_ptr GPURegistry::getMesh(AssetUID id, const std::shared_ptr &mesh_asset) { + if (m_gpu_meshes.contains(id)) { + return m_gpu_meshes[id]; + } else { + auto vertexArray = m_graphics_factory->createVertexArray(); + + auto vertexBuffer = m_graphics_factory->createVertexBuffer(); + auto normalsBuffer = m_graphics_factory->createVertexBuffer(); + auto uvBuffer = m_graphics_factory->createVertexBuffer(); + auto tangentBuffer = m_graphics_factory->createVertexBuffer(); + auto biTangentBuffer = m_graphics_factory->createVertexBuffer(); + auto boneIDBuffer = m_graphics_factory->createVertexBuffer(); + auto boneWeightBuffer = m_graphics_factory->createVertexBuffer(); + auto indexBuffer = m_graphics_factory->createIndexBuffer(); + + auto data = mesh_asset->getMeshData(); + vertexBuffer->putData(BufferUtils::CreateFloatBuffer(data.vertices), 3 * data.vertices.size() * sizeof(float)); + normalsBuffer->putData(BufferUtils::CreateFloatBuffer(data.normals), 3 * data.normals.size() * sizeof(float)); + tangentBuffer->putData(BufferUtils::CreateFloatBuffer(data.tangents), 3 * data.tangents.size() * sizeof(float)); + biTangentBuffer->putData(BufferUtils::CreateFloatBuffer(data.bitangents), 3 * data.bitangents.size() * sizeof(float)); + boneIDBuffer->putData(BufferUtils::CreateIntBuffer(data.boneIDs), 4 * data.boneIDs.size() * sizeof(int)); + boneWeightBuffer->putData(BufferUtils::CreateFloatBuffer(data.boneWeights), 4 * data.boneWeights.size() * sizeof(float)); + uvBuffer->putData(BufferUtils::CreateFloatBuffer(data.uvCoords), 2 * data.uvCoords.size() * sizeof(float)); + indexBuffer->putData(BufferUtils::CreateIntBuffer(data.indices), 3 * data.indices.size() * sizeof(int)); + + vertexArray->pushVertexBuffer(vertexBuffer, 0, 3); + vertexArray->pushVertexBuffer(normalsBuffer, 1, 3); + vertexArray->pushVertexBuffer(uvBuffer, 2, 2); + vertexArray->pushVertexBuffer(tangentBuffer, 3, 3); + vertexArray->pushVertexBuffer(biTangentBuffer, 4, 3); + vertexArray->pushVertexBuffer(boneIDBuffer, 5, 4); + vertexArray->pushVertexBuffer(boneWeightBuffer, 6, 4); + vertexArray->setIndexBuffer(indexBuffer); + + std::shared_ptr gpu_mesh = std::make_shared(vertexArray); + m_gpu_meshes[id] = gpu_mesh; + return gpu_mesh; + } +} + +std::shared_ptr GPURegistry::getTexture2D(AssetUID id, const std::shared_ptr &tex_asset) { + if (m_gpu_tex2d.contains(id)) { + return m_gpu_tex2d[id]; + } else { + auto gpu_texture = m_graphics_factory->createTexture2D(*tex_asset); + m_gpu_tex2d[id] = gpu_texture; + return gpu_texture; + } +} + +std::shared_ptr GPURegistry::getCubemap(AssetUID id, const std::shared_ptr &tex_asset) { + if (m_gpu_cubemaps.contains(id)) { + return m_gpu_cubemaps[id]; + } else { + auto gpu_texture = m_graphics_factory->createTextureCube(*tex_asset); + m_gpu_cubemaps[id] = gpu_texture; + return gpu_texture; + } +} +} // namespace ICE diff --git a/ICE/Graphics/src/Material.cpp b/ICE/Assets/src/Material.cpp similarity index 100% rename from ICE/Graphics/src/Material.cpp rename to ICE/Assets/src/Material.cpp diff --git a/ICE/Graphics/src/Model.cpp b/ICE/Assets/src/Model.cpp similarity index 100% rename from ICE/Graphics/src/Model.cpp rename to ICE/Assets/src/Model.cpp diff --git a/ICE/Assets/src/Shader.cpp b/ICE/Assets/src/Shader.cpp new file mode 100644 index 00000000..1cb05bfe --- /dev/null +++ b/ICE/Assets/src/Shader.cpp @@ -0,0 +1,13 @@ +#include "Shader.h" + +namespace ICE { + +std::string Shader::getTypeName() const { + return "Shader"; +}; + +AssetType Shader::getType() const { + return AssetType::EShader; +}; + +} // namespace ICE diff --git a/ICE/Graphics/CMakeLists.txt b/ICE/Graphics/CMakeLists.txt index 86100b0d..726804a5 100644 --- a/ICE/Graphics/CMakeLists.txt +++ b/ICE/Graphics/CMakeLists.txt @@ -9,10 +9,8 @@ target_sources(${PROJECT_NAME} PRIVATE src/PerspectiveCamera.cpp src/OrthographicCamera.cpp src/ForwardRenderer.cpp - src/Material.cpp src/Mesh.cpp - src/Model.cpp - src/GeometryPass.cpp) + src/GeometryPass.cpp "include/GPUMesh.h" "include/GPUTexture.h") target_link_libraries(${PROJECT_NAME} PUBLIC diff --git a/ICE/Graphics/include/GPUMesh.h b/ICE/Graphics/include/GPUMesh.h new file mode 100644 index 00000000..ef3e9eae --- /dev/null +++ b/ICE/Graphics/include/GPUMesh.h @@ -0,0 +1,11 @@ +#pragma once + +#include "VertexArray.h" + +namespace ICE { +class GPUMesh { + public: + explicit GPUMesh(const std::shared_ptr &vao) {} + const std::shared_ptr getVertexArray() const; +}; +} // namespace ICE diff --git a/ICE/Graphics/include/GPUTexture.h b/ICE/Graphics/include/GPUTexture.h new file mode 100644 index 00000000..eb34c329 --- /dev/null +++ b/ICE/Graphics/include/GPUTexture.h @@ -0,0 +1,8 @@ +#pragma once + +namespace ICE { +class GPUTexture { + public: + virtual void bind(uint32_t slot) const = 0; +}; +} // namespace ICE diff --git a/ICE/Graphics/include/GraphicsFactory.h b/ICE/Graphics/include/GraphicsFactory.h index dac8290b..7272ea61 100644 --- a/ICE/Graphics/include/GraphicsFactory.h +++ b/ICE/Graphics/include/GraphicsFactory.h @@ -9,6 +9,8 @@ #include "Framebuffer.h" #include "GraphicsAPI.h" #include "Shader.h" +#include "ShaderProgram.h" +#include "GPUTexture.h" #include "Texture.h" #include "VertexArray.h" @@ -29,14 +31,11 @@ class GraphicsFactory { virtual std::shared_ptr createUniformBuffer(size_t size, size_t binding) const = 0; - virtual std::shared_ptr createShader(const std::string& vertexFile, const std::string& fragmentFile) const = 0; + virtual std::shared_ptr createShader(const Shader& shader) const = 0; - virtual std::shared_ptr createShader(const std::string& vertexFile, const std::string& geometryFile, - const std::string& fragmentFile) const = 0; + virtual std::shared_ptr createTexture2D(const Texture2D &texture) const = 0; + virtual std::shared_ptr createTexture2D(const void* data, size_t w, size_t h, TextureFormat fmt) const = 0; - virtual std::shared_ptr createTexture2D(const std::string& file) const = 0; - virtual std::shared_ptr createTexture2D(const void* data, size_t w, size_t h, TextureFormat fmt) const = 0; - - virtual std::shared_ptr createTextureCube(const std::string& file) const = 0; + virtual std::shared_ptr createTextureCube(const TextureCube& texture) const = 0; }; } // namespace ICE \ No newline at end of file diff --git a/ICE/Graphics/include/RenderCommand.h b/ICE/Graphics/include/RenderCommand.h index d3b32231..1934f001 100644 --- a/ICE/Graphics/include/RenderCommand.h +++ b/ICE/Graphics/include/RenderCommand.h @@ -8,16 +8,16 @@ #include #include "Material.h" -#include "Mesh.h" -#include "Shader.h" +#include "GPUMesh.h" +#include "ShaderProgram.h" #include "Model.h" namespace ICE { struct RenderCommand { - std::shared_ptr mesh; + std::shared_ptr mesh; std::shared_ptr material; - std::shared_ptr shader; - std::unordered_map> textures; + std::shared_ptr shader; + std::unordered_map> textures; Eigen::Matrix4f model_matrix; std::vector bones; diff --git a/ICE/Graphics/include/Renderer.h b/ICE/Graphics/include/Renderer.h index 8e45f4e1..1f145271 100644 --- a/ICE/Graphics/include/Renderer.h +++ b/ICE/Graphics/include/Renderer.h @@ -8,6 +8,7 @@ #include #include #include +#include #include "Camera.h" #include "Context.h" @@ -43,16 +44,16 @@ struct alignas(16) CameraUBO { }; struct Skybox { - std::shared_ptr cube_mesh; - std::shared_ptr shader; - std::unordered_map> textures; + std::shared_ptr cube_mesh; + std::shared_ptr shader; + std::unordered_map> textures; }; struct Drawable { - std::shared_ptr mesh; + std::shared_ptr mesh; std::shared_ptr material; - std::shared_ptr shader; - std::unordered_map> textures; + std::shared_ptr shader; + std::unordered_map> textures; Eigen::Matrix4f model_matrix; Model::Skeleton skeleton; }; @@ -70,7 +71,7 @@ class Renderer { virtual void submitSkybox(const Skybox& e) = 0; virtual void submitDrawable(const Drawable& e) = 0; virtual void submitLight(const Light& e) = 0; - virtual void prepareFrame(Camera &camera) = 0; + virtual void prepareFrame(Camera& camera) = 0; virtual std::shared_ptr render() = 0; virtual void endFrame() = 0; virtual void resize(uint32_t width, uint32_t height) = 0; diff --git a/ICE/Graphics/include/Shader.h b/ICE/Graphics/include/ShaderProgram.h similarity index 67% rename from ICE/Graphics/include/Shader.h rename to ICE/Graphics/include/ShaderProgram.h index bc839067..5d2521fc 100644 --- a/ICE/Graphics/include/Shader.h +++ b/ICE/Graphics/include/ShaderProgram.h @@ -1,17 +1,10 @@ -// -// Created by Thomas Ibanez on 20.11.20. -// - -#ifndef ICE_SHADER_H -#define ICE_SHADER_H - -#include +#pragma once #include #include namespace ICE { -class Shader : public Asset { +class ShaderProgram { public: virtual void bind() const = 0; virtual void unbind() const = 0; @@ -25,11 +18,5 @@ class Shader : public Asset { virtual void loadFloat4(const std::string &name, Eigen::Vector4f vec) = 0; virtual void loadMat4(const std::string &name, Eigen::Matrix4f mat) = 0; - - std::string getTypeName() const override { return "Shader"; }; - - AssetType getType() const override { return AssetType::EShader; }; }; -} // namespace ICE - -#endif //ICE_SHADER_H +} // namespace ICE \ No newline at end of file diff --git a/ICE/Graphics/src/GeometryPass.cpp b/ICE/Graphics/src/GeometryPass.cpp index 4c1472ee..a067d36b 100644 --- a/ICE/Graphics/src/GeometryPass.cpp +++ b/ICE/Graphics/src/GeometryPass.cpp @@ -10,9 +10,9 @@ void GeometryPass::execute() { m_framebuffer->bind(); m_api->setViewport(0, 0, m_framebuffer->getFormat().width, m_framebuffer->getFormat().height); m_api->clear(); - std::shared_ptr current_shader; + std::shared_ptr current_shader; std::shared_ptr current_material; - std::shared_ptr current_mesh; + std::shared_ptr current_mesh; for (const auto& command : *m_render_queue) { auto& shader = command.shader; @@ -27,6 +27,7 @@ void GeometryPass::execute() { current_shader = shader; } + /* if (mesh->usesBones()) { for (const auto& [boneID, offsetMatrix] : mesh->getSkinningData().boneOffsetMatrices) { Eigen::Matrix4f bone_transform = Eigen::Matrix4f::Identity(); @@ -36,7 +37,7 @@ void GeometryPass::execute() { current_shader->loadMat4("bonesOffsetMatrices[" + std::to_string(boneID) + "]", offsetMatrix); current_shader->loadMat4("bonesTransformMatrices[" + std::to_string(boneID) + "]", bone_transform); } - } + }*/ if (material != current_material) { auto& textures = command.textures; diff --git a/ICE/Graphics/src/Mesh.cpp b/ICE/Graphics/src/Mesh.cpp index 44f689b2..57614160 100644 --- a/ICE/Graphics/src/Mesh.cpp +++ b/ICE/Graphics/src/Mesh.cpp @@ -30,14 +30,6 @@ const std::vector &Mesh::getIndices() const { return m_data.indices; } -const std::shared_ptr Mesh::getVertexArray() const { - return vertexArray; -} - -void Mesh::setVertexArray(const std::shared_ptr &vao) { - this->vertexArray = vao; -} - const AABB &Mesh::getBoundingBox() const { return boundingBox; } diff --git a/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h b/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h index a23d74f8..4383fefe 100644 --- a/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h +++ b/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h @@ -38,20 +38,13 @@ class OpenGLFactory : public GraphicsFactory { std::shared_ptr createIndexBuffer() const override { return std::make_shared(); } - std::shared_ptr createShader(const std::string& vertex_src, const std::string& fragment_src) const override { - return createShader(vertex_src, "", fragment_src); - } - - std::shared_ptr createShader(const std::string& vertex_src, const std::string& geometry_src, - const std::string& fragment_src) const override { - return std::make_shared(vertex_src, geometry_src, fragment_src); - } + std::shared_ptr createShader(const Shader& shader) const override { return std::make_shared(shader); } - std::shared_ptr createTexture2D(const std::string& file) const override { return std::make_shared(file); } - std::shared_ptr createTexture2D(const void* data, size_t w, size_t h, TextureFormat fmt) const override { + std::shared_ptr createTexture2D(const Texture2D& texture) const override { return std::make_shared(texture); } + std::shared_ptr createTexture2D(const void* data, size_t w, size_t h, TextureFormat fmt) const override { return std::make_shared(data, w, h, fmt); } - std::shared_ptr createTextureCube(const std::string& file) const override { return std::make_shared(file); } + std::shared_ptr createTextureCube(const TextureCube& texture) const override { return std::make_shared(texture); } }; } // namespace ICE \ No newline at end of file diff --git a/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h b/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h index 476605d0..60e8c17e 100644 --- a/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h +++ b/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h @@ -7,12 +7,12 @@ #include #include -#include +#include #include #include namespace ICE { - class OpenGLShader : public Shader { + class OpenGLShader : public ShaderProgram { public: void bind() const override; diff --git a/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h b/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h index a7063c71..791b8929 100644 --- a/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h +++ b/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h @@ -6,6 +6,7 @@ #define ICE_OPENGLTEXTURE_H #include +#include #include #include @@ -63,65 +64,24 @@ constexpr int textureFormatToChannels(TextureFormat format) { } } -class OpenGLTexture2D : public Texture2D { +class OpenGLTexture2D : public GPUTexture { public: - OpenGLTexture2D(const std::string &file); - OpenGLTexture2D(const void *data, size_t w, size_t h, TextureFormat fmt); + OpenGLTexture2D(const Texture2D &tex); void bind(uint32_t slot) const override; - TextureFormat getFormat() const override; - - uint32_t getWidth() const override; - uint32_t getHeight() const override; - - TextureWrap getWrap() const override; - - void setData(void *data, uint32_t size) override; - - void *getTexture() const override; - - TextureType getTextureType() const override; - private: - void loadData(const void *data, size_t w, size_t h, TextureFormat fmt); - - std::string file; uint32_t id; - uint32_t width, height; - TextureFormat format; - TextureWrap wrap; - GLenum storageFormat; - GLenum dataFormat; }; -class OpenGLTextureCube : public TextureCube { +class OpenGLTextureCube : public GPUTexture { public: - OpenGLTextureCube(const std::string &file); + OpenGLTextureCube(const TextureCube &tex); void bind(uint32_t slot) const override; - TextureFormat getFormat() const override; - - uint32_t getWidth() const override; - uint32_t getHeight() const override; - - TextureWrap getWrap() const override; - - void setData(void *data, uint32_t size) override; - - void *getTexture() const override; - - TextureType getTextureType() const override; - private: - std::string file; uint32_t id; - uint32_t width, height; - TextureFormat format; - TextureWrap wrap; - GLenum storageFormat; - GLenum dataFormat; }; } // namespace ICE diff --git a/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp b/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp index cb5be8e4..5693f2ef 100644 --- a/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp +++ b/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp @@ -9,68 +9,30 @@ namespace ICE { -OpenGLTexture2D::OpenGLTexture2D(const std::string &file) : file(file) { - int channels, w, h; - void *data = Texture::getDataFromFile(file, &w, &h, &channels); - loadData(data, w, h, channels == 4 ? TextureFormat::RGBA8 : TextureFormat::RGB8); - stbi_image_free(data); -} - -OpenGLTexture2D::OpenGLTexture2D(const void *data, size_t w, size_t h, TextureFormat fmt) { - loadData(data, w, h, fmt); -} - -void OpenGLTexture2D::loadData(const void *data, size_t w, size_t h, TextureFormat fmt) { - width = w; - height = h; +OpenGLTexture2D::OpenGLTexture2D(const Texture2D &tex) { + auto width = tex.getWidth(); + auto height = tex.getHeight(); glGenTextures(1, &id); glBindTexture(GL_TEXTURE_2D, id); - storageFormat = textureFormatToGLInternalFormat(fmt); - dataFormat = (textureFormatToChannels(fmt) == 4) ? GL_RGBA : (textureFormatToChannels(fmt) == 3) ? GL_RGB : GL_RED; + auto fmt = tex.getFormat(); + auto storageFormat = textureFormatToGLInternalFormat(fmt); + auto dataFormat = (textureFormatToChannels(fmt) == 4) ? GL_RGBA : (textureFormatToChannels(fmt) == 3) ? GL_RGB : GL_RED; glPixelStorei(GL_UNPACK_ALIGNMENT, textureFormatToAlignment(fmt)); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - wrap = TextureWrap::Repeat; + auto wrap = TextureWrap::Repeat; glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); - glTexImage2D(GL_TEXTURE_2D, 0, storageFormat, width, height, 0, dataFormat, GL_UNSIGNED_BYTE, data); -} - -void OpenGLTexture2D::setData(void *data, uint32_t size) { - glTextureSubImage2D(id, 0, 0, 0, width, height, dataFormat, GL_UNSIGNED_BYTE, data); + glTexImage2D(GL_TEXTURE_2D, 0, storageFormat, width, height, 0, dataFormat, GL_UNSIGNED_BYTE, tex.data()); } void OpenGLTexture2D::bind(uint32_t slot) const { glActiveTexture(GL_TEXTURE0 + slot); glBindTexture(GL_TEXTURE_2D, id); } - -TextureWrap OpenGLTexture2D::getWrap() const { - return wrap; -} - -TextureFormat OpenGLTexture2D::getFormat() const { - return format; -} - -uint32_t OpenGLTexture2D::getWidth() const { - return width; -} - -uint32_t OpenGLTexture2D::getHeight() const { - return height; -} - -void *OpenGLTexture2D::getTexture() const { - return static_cast(0) + id; -} - -TextureType OpenGLTexture2D::getTextureType() const { - return TextureType::Tex2D; -} } // namespace ICE \ No newline at end of file diff --git a/ICE/IO/src/ModelLoader.cpp b/ICE/IO/src/ModelLoader.cpp index 5320c7f6..bb09e879 100644 --- a/ICE/IO/src/ModelLoader.cpp +++ b/ICE/IO/src/ModelLoader.cpp @@ -123,36 +123,6 @@ std::shared_ptr ModelLoader::extractMesh(const aiMesh *mesh, const std::st mesh_->setSkinningData(skinning_data); } - auto vertexArray = graphics_factory->createVertexArray(); - - auto vertexBuffer = graphics_factory->createVertexBuffer(); - auto normalsBuffer = graphics_factory->createVertexBuffer(); - auto uvBuffer = graphics_factory->createVertexBuffer(); - auto tangentBuffer = graphics_factory->createVertexBuffer(); - auto biTangentBuffer = graphics_factory->createVertexBuffer(); - auto boneIDBuffer = graphics_factory->createVertexBuffer(); - auto boneWeightBuffer = graphics_factory->createVertexBuffer(); - auto indexBuffer = graphics_factory->createIndexBuffer(); - - vertexBuffer->putData(BufferUtils::CreateFloatBuffer(data.vertices), 3 * data.vertices.size() * sizeof(float)); - normalsBuffer->putData(BufferUtils::CreateFloatBuffer(data.normals), 3 * data.normals.size() * sizeof(float)); - tangentBuffer->putData(BufferUtils::CreateFloatBuffer(data.tangents), 3 * data.tangents.size() * sizeof(float)); - biTangentBuffer->putData(BufferUtils::CreateFloatBuffer(data.bitangents), 3 * data.bitangents.size() * sizeof(float)); - boneIDBuffer->putData(BufferUtils::CreateIntBuffer(data.boneIDs), 4 * data.boneIDs.size() * sizeof(int)); - boneWeightBuffer->putData(BufferUtils::CreateFloatBuffer(data.boneWeights), 4 * data.boneWeights.size() * sizeof(float)); - uvBuffer->putData(BufferUtils::CreateFloatBuffer(data.uvCoords), 2 * data.uvCoords.size() * sizeof(float)); - indexBuffer->putData(BufferUtils::CreateIntBuffer(data.indices), 3 * data.indices.size() * sizeof(int)); - - vertexArray->pushVertexBuffer(vertexBuffer, 0, 3); - vertexArray->pushVertexBuffer(normalsBuffer, 1, 3); - vertexArray->pushVertexBuffer(uvBuffer, 2, 2); - vertexArray->pushVertexBuffer(tangentBuffer, 3, 3); - vertexArray->pushVertexBuffer(biTangentBuffer, 4, 3); - vertexArray->pushVertexBuffer(boneIDBuffer, 5, 4); - vertexArray->pushVertexBuffer(boneWeightBuffer, 6, 4); - vertexArray->setIndexBuffer(indexBuffer); - - mesh_->setVertexArray(vertexArray); return mesh_; } diff --git a/ICE/IO/src/TextureLoader.cpp b/ICE/IO/src/TextureLoader.cpp index c8296322..8883bcd2 100644 --- a/ICE/IO/src/TextureLoader.cpp +++ b/ICE/IO/src/TextureLoader.cpp @@ -13,14 +13,14 @@ std::shared_ptr Texture2DLoader::load(const std::vectorcreateTexture2D(file[0].string()); + auto texture = std::make_shared(); texture->setSources(file); return texture; } std::shared_ptr TextureCubeLoader::load(const std::vector &file) { Logger::Log(Logger::VERBOSE, "IO", "Loading cubemap..."); - auto texture = graphics_factory->createTextureCube(file[0].string()); + auto texture = std::make_shared(); texture->setSources(file); return texture; } diff --git a/ICEBERG/CMakeLists.txt b/ICEBERG/CMakeLists.txt index b20a739a..802f7387 100644 --- a/ICEBERG/CMakeLists.txt +++ b/ICEBERG/CMakeLists.txt @@ -14,6 +14,7 @@ add_executable(${PROJECT_NAME} src/AssetsRenderer.cpp src/Dialog.cpp src/MaterialEditor.cpp + src/ShaderEditor.cpp ${IMGUI_SRC} ${IMGUIZMO_SRC} ${GL3W_SRC} diff --git a/ICEBERG/UI/LightComponentWidget.h b/ICEBERG/UI/LightComponentWidget.h index 9b359ec4..8555a081 100644 --- a/ICEBERG/UI/LightComponentWidget.h +++ b/ICEBERG/UI/LightComponentWidget.h @@ -23,11 +23,11 @@ class LightComponentWidget : public Widget, ImXML::XMLEventHandler { if (node.arg("id") == "light_type_combo") { node.args["preview_value"] = m_light_types[light_type_id]; } else if (node.arg("id") == "point_light") { - node.args["selected"] = light_type_id == 0 ? "true" : false; + node.args["selected"] = light_type_id == 0 ? "true" : "false"; } else if (node.arg("id") == "directional_light") { - node.args["selected"] = light_type_id == 1 ? "true" : false; + node.args["selected"] = light_type_id == 1 ? "true" : "false"; } else if (node.arg("id") == "spot_light") { - node.args["selected"] = light_type_id == 2 ? "true" : false; + node.args["selected"] = light_type_id == 2 ? "true" : "false"; } } void onNodeEnd(ImXML::XMLNode& node) override {} diff --git a/ICEBERG/UI/ShaderEditDialog.h b/ICEBERG/UI/ShaderEditDialog.h new file mode 100644 index 00000000..106530d6 --- /dev/null +++ b/ICEBERG/UI/ShaderEditDialog.h @@ -0,0 +1,62 @@ +#pragma once +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "Components/ComboBox.h" +#include "Components/InputText.h" +#include "Components/UniformInputs.h" +#include "Dialog.h" + +class ShaderEditDialog : public Dialog, ImXML::XMLEventHandler { + public: + ShaderEditDialog() : m_xml_tree(ImXML::XMLReader().read("XML/MaterialEditPopup.xml")) { + m_xml_renderer.addDynamicBind("str_shader_name", {m_shader_name, 512, ImXML::Chars}); + } + + std::string getName() const { return std::string(m_shader_name); } + + void render() override { + ImGui::PushID(m_dialog_id); + if (isOpenRequested()) + ImGui::OpenPopup("Material Editor"); + //m_xml_renderer.render(m_xml_tree, *this); + if (ImGui::BeginTabBar("test", ImGuiTabBarFlags_NoCloseWithMiddleMouseButton)) { + if (ImGui::BeginTabItem("Vertex Stage")) { + ImGui::Text("Vertex Shader Code Editor Here"); + ImGui::EndTabItem(); + } + if (ImGui::BeginTabItem("Fragment Stage")) { + ImGui::Text("Fragment Shader Code Editor Here"); + ImGui::EndTabItem(); + } + ImGui::EndTabBar(); + } + ImGui::PopID(); + } + + void onNodeBegin(ImXML::XMLNode& node) override {} + void onNodeEnd(ImXML::XMLNode& node) override {} + void onEvent(ImXML::XMLNode& node) override { + if (node.arg("id") == "btn_apply") { + ImGui::CloseCurrentPopup(); + done(DialogResult::Ok); + } else if (node.arg("id") == "btn_cancel") { + ImGui::CloseCurrentPopup(); + done(DialogResult::Cancel); + } + } + + private: + char m_shader_name[512] = {0}; + + ImXML::XMLTree m_xml_tree; + ImXML::XMLRenderer m_xml_renderer; +}; diff --git a/ICEBERG/include/ShaderEditor.h b/ICEBERG/include/ShaderEditor.h new file mode 100644 index 00000000..cba6c1d0 --- /dev/null +++ b/ICEBERG/include/ShaderEditor.h @@ -0,0 +1,24 @@ +#pragma once + +#include +#include + +#include "AssetsRenderer.h" +#include "Controller.h" + +class ShaderEditor : public Controller { + public: + ShaderEditor(const std::shared_ptr &engine); + + void open(const ICE::AssetPath &path); + + bool update() override; + + private: + ShaderEditDialog ui; + bool m_is_open = false; + bool m_done = false; + std::shared_ptr m_engine; + std::shared_ptr m_current_shader; + ICE::AssetPath m_shader_path{""}; +}; diff --git a/ICEBERG/src/ShaderEditor.cpp b/ICEBERG/src/ShaderEditor.cpp new file mode 100644 index 00000000..dd054f49 --- /dev/null +++ b/ICEBERG/src/ShaderEditor.cpp @@ -0,0 +1,40 @@ +#include "ShaderEditor.h" + +ShaderEditor::ShaderEditor(const std::shared_ptr &engine) : m_engine(engine) { +} + +void ShaderEditor::open(const ICE::AssetPath &path) { + m_shader_path = path; + auto shader = m_engine->getAssetBank()->getAsset(path); + + if (shader) { + m_current_shader = std::make_shared(*shader); + } else { + m_current_shader = std::make_shared(); + } + ui.open(); + m_is_open = true; +} + +bool ShaderEditor::update() { + m_done = false; + if (m_is_open) { + + ui.render(); + if (ui.getResult() == DialogResult::Ok) { + m_done = true; + m_is_open = false; + + if (m_shader_path.toString().empty()) { + m_shader_path = ICE::AssetPath::WithTypePrefix(ui.getName()); + //m_engine->getAssetBank()->addAsset(m_shader_path, std::make_shared(mtl)); + } else { + ICE::AssetPath new_path = m_shader_path; + new_path.setName(ui.getName()); + //*m_engine->getAssetBank()->getAsset(m_shader_path) = mtl; + m_engine->getAssetBank()->renameAsset(m_shader_path, new_path); + } + } + } + return m_done; +} From acd618636ce5d3870f2efc859ce038079ed6b6ab Mon Sep 17 00:00:00 2001 From: ProtectedVariable Date: Thu, 15 Jan 2026 11:27:02 +0100 Subject: [PATCH 02/14] compiling version --- ICE/Assets/CMakeLists.txt | 3 +- ICE/Assets/include/AssetBank.h | 3 +- ICE/Assets/include/GPURegistry.h | 17 +- ICE/Assets/include/Shader.h | 21 +- ICE/Assets/include/Texture.h | 42 +- ICE/Assets/src/AssetBank.cpp | 10 +- ICE/Assets/src/GPURegistry.cpp | 30 +- ICE/Assets/src/Texture.cpp | 33 + ICE/Core/include/ICEEngine.h | 2 +- ICE/Core/src/ICEEngine.cpp | 7 +- ICE/Graphics/include/GPUMesh.h | 7 +- ICE/Graphics/include/GPUTexture.h | 3 + ICE/Graphics/include/GraphicsFactory.h | 1 - .../OpenGL/include/OpenGLFactory.h | 3 - ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h | 46 +- .../OpenGL/include/OpenGLTexture.h | 6 +- ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp | 92 +- .../OpenGL/src/OpenGLTexture2D.cpp | 17 +- .../OpenGL/src/OpenGLTextureCube.cpp | 49 +- ICE/IO/CMakeLists.txt | 1 + ICE/IO/include/IAssetLoader.h | 5 +- ICE/IO/include/MaterialLoader.h | 2 +- ICE/IO/include/ModelLoader.h | 6 +- ICE/IO/include/Project.h | 13 +- ICE/IO/include/ShaderLoader.h | 3 +- ICE/IO/include/TextureLoader.h | 4 +- ICE/IO/src/EngineConfig.cpp | 2 +- ICE/IO/src/MaterialExporter.cpp | 2 +- ICE/IO/src/MaterialLoader.cpp | 2 +- ICE/IO/src/ModelLoader.cpp | 2 +- ICE/IO/src/Project.cpp | 85 +- ICE/IO/src/ShaderLoader.cpp | 39 +- ICE/IO/src/TextureLoader.cpp | 4 +- ICE/Storage/CMakeLists.txt | 4 +- ICE/Storage/include/JsonParser.h | 2 +- ICE/System/include/RenderSystem.h | 5 +- ICE/System/src/RenderSystem.cpp | 27 +- ICEBERG/src/Assets.cpp | 2 +- ICEBERG/src/AssetsRenderer.cpp | 3 + ICEBERG/src/Viewport.cpp | 2 + cmake/fetch_dependencies.cmake | 10 + includes/GLFW/glfw3.h | 5874 -- includes/GLFW/glfw3native.h | 525 - includes/json/json.h | 51122 ---------------- 44 files changed, 365 insertions(+), 57773 deletions(-) create mode 100644 ICE/Assets/src/Texture.cpp delete mode 100644 includes/GLFW/glfw3.h delete mode 100644 includes/GLFW/glfw3native.h delete mode 100644 includes/json/json.h diff --git a/ICE/Assets/CMakeLists.txt b/ICE/Assets/CMakeLists.txt index 4056e5a6..77bb5578 100644 --- a/ICE/Assets/CMakeLists.txt +++ b/ICE/Assets/CMakeLists.txt @@ -11,7 +11,8 @@ target_sources(${PROJECT_NAME} PRIVATE src/Shader.cpp src/Model.cpp src/Material.cpp - src/GPURegistry.cpp) + src/GPURegistry.cpp + src/Texture.cpp) target_link_libraries(${PROJECT_NAME} PUBLIC diff --git a/ICE/Assets/include/AssetBank.h b/ICE/Assets/include/AssetBank.h index 54600e16..f9492ca7 100644 --- a/ICE/Assets/include/AssetBank.h +++ b/ICE/Assets/include/AssetBank.h @@ -30,7 +30,7 @@ struct AssetBankEntry { class AssetBank { public: - AssetBank(const std::shared_ptr& factory); + AssetBank(); template std::shared_ptr getAsset(AssetUID uid) { @@ -167,6 +167,5 @@ class AssetBank { std::unordered_map nameMapping; std::unordered_map resources; AssetLoader loader; - std::shared_ptr graphics_factory; }; } // namespace ICE diff --git a/ICE/Assets/include/GPURegistry.h b/ICE/Assets/include/GPURegistry.h index 06b4bddc..6c9f54b7 100644 --- a/ICE/Assets/include/GPURegistry.h +++ b/ICE/Assets/include/GPURegistry.h @@ -8,6 +8,7 @@ #include #include "Asset.h" +#include "AssetBank.h" #include "Mesh.h" #include "Shader.h" #include "Texture.h" @@ -15,12 +16,17 @@ namespace ICE { class GPURegistry { public: - GPURegistry(const std::shared_ptr &factory); + GPURegistry(const std::shared_ptr &factory, const std::shared_ptr &bank); - std::shared_ptr getShader(AssetUID id, const std::shared_ptr &shader_asset); - std::shared_ptr getMesh(AssetUID id, const std::shared_ptr &mesh_asset); - std::shared_ptr getTexture2D(AssetUID id, const std::shared_ptr &tex_asset); - std::shared_ptr getCubemap(AssetUID id, const std::shared_ptr &tex_asset); + AssetUID getUID(const AssetPath &path) const { return m_asset_bank->getUID(path); } + std::shared_ptr getMaterial(AssetUID id) { return m_asset_bank->getAsset(id); } + std::shared_ptr getShader(AssetUID id); + std::shared_ptr getShader(const AssetPath &path) { return getShader(getUID(path)); } + std::shared_ptr getMesh(AssetUID id); + std::shared_ptr getMesh(const AssetPath &path) { return getMesh(getUID(path)); } + std::shared_ptr getTexture2D(AssetUID id); + std::shared_ptr getTexture2D(const AssetPath &path) { return getTexture2D(getUID(path)); } + std::shared_ptr getCubemap(AssetUID id); private: std::unordered_map> m_shader_programs; @@ -29,5 +35,6 @@ class GPURegistry { std::unordered_map> m_gpu_cubemaps; std::shared_ptr m_graphics_factory; + std::shared_ptr m_asset_bank; }; } // namespace ICE diff --git a/ICE/Assets/include/Shader.h b/ICE/Assets/include/Shader.h index 10715ec5..a5d8c1c5 100644 --- a/ICE/Assets/include/Shader.h +++ b/ICE/Assets/include/Shader.h @@ -2,19 +2,30 @@ // Created by Thomas Ibanez on 20.11.20. // -#ifndef ICE_SHADER_H -#define ICE_SHADER_H +#pragma once #include +#include namespace ICE { +enum ShaderStage { Vertex, Fragment, Geometry, TessControl, TessEval, Compute }; + +// Map of shader stages to their source code +using ShaderSource = std::unordered_map; + class Shader : public Asset { public: + Shader() = default; + Shader(const ShaderSource& sources) : m_sources(sources) {} + + ShaderSource getSources() const { return m_sources; } + std::string getTypeName() const override; AssetType getType() const override; -}; -} // namespace ICE -#endif //ICE_SHADER_H + private: + ShaderSource m_sources; +}; +} // namespace ICE \ No newline at end of file diff --git a/ICE/Assets/include/Texture.h b/ICE/Assets/include/Texture.h index b19ce1ab..1e085892 100644 --- a/ICE/Assets/include/Texture.h +++ b/ICE/Assets/include/Texture.h @@ -2,8 +2,7 @@ // Created by Thomas Ibanez on 22.12.20. // -#ifndef ICE_TEXTURE_H -#define ICE_TEXTURE_H +#pragma once #include #include #include @@ -20,18 +19,19 @@ enum class TextureType { Tex2D = 0, CubeMap = 1 }; class Texture : public Asset { public: - virtual void bind(uint32_t slot = 0) const = 0; - virtual const void* data() const = 0; - virtual void setData(void* data, uint32_t size) = 0; - - virtual TextureFormat getFormat() const = 0; - - virtual uint32_t getWidth() const = 0; - virtual uint32_t getHeight() const = 0; + virtual ~Texture() { + if (data_ != nullptr) { + stbi_image_free(data_); + data_ = nullptr; + } + } + const void* data() const { return data_; } - virtual void* getTexture() const = 0; + TextureFormat getFormat() const { return m_format; } + TextureWrap getWrap() const { return m_wrap; } - virtual TextureType getTextureType() const = 0; + uint32_t getWidth() const { return m_width; } + uint32_t getHeight() const { return m_height; } protected: static void* getDataFromFile(const std::string file, int* width, int* height, int* channels, int force = STBI_default) { @@ -41,12 +41,18 @@ class Texture : public Asset { } return data; } + + void* data_ = nullptr; + TextureWrap m_wrap = TextureWrap::Repeat; + TextureFormat m_format = TextureFormat::None; + int m_width = 0; + int m_height = 0; }; class Texture2D : public Texture { public: - virtual TextureWrap getWrap() const = 0; - virtual TextureType getTextureType() const = 0; + Texture2D(const std::string& path); + Texture2D(void* data, int width, int height, TextureFormat fmt); virtual AssetType getType() const override { return AssetType::ETex2D; } virtual std::string getTypeName() const override { return "Texture2D"; } @@ -54,12 +60,10 @@ class Texture2D : public Texture { class TextureCube : public Texture { public: - virtual TextureWrap getWrap() const = 0; - virtual TextureType getTextureType() const = 0; + TextureCube(const std::string& path); + TextureCube(void* data, int width, int height, TextureFormat fmt); virtual AssetType getType() const override { return AssetType::ETexCube; } virtual std::string getTypeName() const override { return "TextureCube"; } }; -} // namespace ICE - -#endif //ICE_TEXTURE_H +} // namespace ICE \ No newline at end of file diff --git a/ICE/Assets/src/AssetBank.cpp b/ICE/Assets/src/AssetBank.cpp index 3ac81f18..57174b03 100644 --- a/ICE/Assets/src/AssetBank.cpp +++ b/ICE/Assets/src/AssetBank.cpp @@ -14,11 +14,11 @@ namespace ICE { -AssetBank::AssetBank(const std::shared_ptr &factory) : graphics_factory(factory) { - loader.AddLoader(std::make_shared(factory)); - loader.AddLoader(std::make_shared(factory)); - loader.AddLoader(std::make_shared(factory, *this)); - loader.AddLoader(std::make_shared(factory)); +AssetBank::AssetBank() { + loader.AddLoader(std::make_shared()); + loader.AddLoader(std::make_shared()); + loader.AddLoader(std::make_shared(*this)); + loader.AddLoader(std::make_shared()); loader.AddLoader(std::make_shared()); } diff --git a/ICE/Assets/src/GPURegistry.cpp b/ICE/Assets/src/GPURegistry.cpp index 36bbbd32..10513c71 100644 --- a/ICE/Assets/src/GPURegistry.cpp +++ b/ICE/Assets/src/GPURegistry.cpp @@ -3,23 +3,34 @@ #include namespace ICE { -GPURegistry::GPURegistry(const std::shared_ptr &factory) : m_graphics_factory(factory) { +GPURegistry::GPURegistry(const std::shared_ptr &factory, const std::shared_ptr &bank) + : m_graphics_factory(factory), + m_asset_bank(bank) { } -std::shared_ptr GPURegistry::getShader(AssetUID id, const std::shared_ptr &shader_asset) { +std::shared_ptr GPURegistry::getShader(AssetUID id) { if (m_shader_programs.contains(id)) { return m_shader_programs[id]; } else { + auto shader_asset = m_asset_bank->getAsset(id); + if (!shader_asset) { + return nullptr; + } auto program = m_graphics_factory->createShader(*shader_asset); m_shader_programs[id] = program; return program; } } -std::shared_ptr GPURegistry::getMesh(AssetUID id, const std::shared_ptr &mesh_asset) { +std::shared_ptr GPURegistry::getMesh(AssetUID id) { if (m_gpu_meshes.contains(id)) { return m_gpu_meshes[id]; } else { + auto mesh_asset = m_asset_bank->getAsset(id); + if (!mesh_asset) { + return nullptr; + } + auto vertexArray = m_graphics_factory->createVertexArray(); auto vertexBuffer = m_graphics_factory->createVertexBuffer(); @@ -56,20 +67,29 @@ std::shared_ptr GPURegistry::getMesh(AssetUID id, const std::shared_ptr } } -std::shared_ptr GPURegistry::getTexture2D(AssetUID id, const std::shared_ptr &tex_asset) { +std::shared_ptr GPURegistry::getTexture2D(AssetUID id) { if (m_gpu_tex2d.contains(id)) { return m_gpu_tex2d[id]; } else { + auto tex_asset = m_asset_bank->getAsset(id); + if (!tex_asset) { + return nullptr; + } + auto gpu_texture = m_graphics_factory->createTexture2D(*tex_asset); m_gpu_tex2d[id] = gpu_texture; return gpu_texture; } } -std::shared_ptr GPURegistry::getCubemap(AssetUID id, const std::shared_ptr &tex_asset) { +std::shared_ptr GPURegistry::getCubemap(AssetUID id) { if (m_gpu_cubemaps.contains(id)) { return m_gpu_cubemaps[id]; } else { + auto tex_asset = m_asset_bank->getAsset(id); + if (!tex_asset) { + return nullptr; + } auto gpu_texture = m_graphics_factory->createTextureCube(*tex_asset); m_gpu_cubemaps[id] = gpu_texture; return gpu_texture; diff --git a/ICE/Assets/src/Texture.cpp b/ICE/Assets/src/Texture.cpp new file mode 100644 index 00000000..36b9e101 --- /dev/null +++ b/ICE/Assets/src/Texture.cpp @@ -0,0 +1,33 @@ +#include "Texture.h" + +namespace ICE { + +Texture2D::Texture2D(const std::string& path) { + int channels = 0; + data_ = getDataFromFile(path, &m_width, &m_height, &channels); + if (channels == 3) { + m_format = TextureFormat::RGB8; + } else if (channels == 4) { + m_format = TextureFormat::RGBA8; + } else if (channels == 1) { + m_format = TextureFormat::MONO8; + } else { + m_format = TextureFormat::None; + } +} +Texture2D::Texture2D(void* data, int width, int height, TextureFormat fmt) { + data_ = data; + m_width = width; + m_height = height; + m_format = fmt; +} + +TextureCube::TextureCube(const std::string& path) { +} +TextureCube::TextureCube(void* data, int width, int height, TextureFormat fmt) { + data_ = data; + m_width = width; + m_height = height; + m_format = fmt; +} +} // namespace ICE diff --git a/ICE/Core/include/ICEEngine.h b/ICE/Core/include/ICEEngine.h index 7ba3c3de..c7482fad 100644 --- a/ICE/Core/include/ICEEngine.h +++ b/ICE/Core/include/ICEEngine.h @@ -29,6 +29,7 @@ class ICEEngine { std::shared_ptr getCamera(); std::shared_ptr getAssetBank(); + std::shared_ptr getGPURegistry(); Entity getSelected() const; @@ -65,6 +66,5 @@ class ICEEngine { std::chrono::steady_clock::time_point lastFrameTime; EngineConfig config; - Registry registry; }; } // namespace ICE diff --git a/ICE/Core/src/ICEEngine.cpp b/ICE/Core/src/ICEEngine.cpp index f49aa776..c6dd3842 100644 --- a/ICE/Core/src/ICEEngine.cpp +++ b/ICE/Core/src/ICEEngine.cpp @@ -43,7 +43,7 @@ void ICEEngine::step() { void ICEEngine::setupScene(const std::shared_ptr &camera_) { auto renderer = std::make_shared(api, m_graphics_factory); - auto rs = std::make_shared(api, m_graphics_factory, project->getCurrentScene()->getRegistry(), project->getAssetBank()); + auto rs = std::make_shared(api, m_graphics_factory, project->getCurrentScene()->getRegistry(), project->getGPURegistry()); rs->setCamera(camera_); rs->setRenderer(renderer); project->getCurrentScene()->getRegistry()->addSystem(rs); @@ -60,6 +60,11 @@ std::shared_ptr ICEEngine::getAssetBank() { return project->getAssetBank(); } +std::shared_ptr ICEEngine::getGPURegistry() { + return project->getGPURegistry(); +} + + std::shared_ptr ICEEngine::getApi() const { return api; } diff --git a/ICE/Graphics/include/GPUMesh.h b/ICE/Graphics/include/GPUMesh.h index ef3e9eae..f97a786d 100644 --- a/ICE/Graphics/include/GPUMesh.h +++ b/ICE/Graphics/include/GPUMesh.h @@ -5,7 +5,10 @@ namespace ICE { class GPUMesh { public: - explicit GPUMesh(const std::shared_ptr &vao) {} - const std::shared_ptr getVertexArray() const; + explicit GPUMesh(const std::shared_ptr &vao) : m_vao(vao) {} + const std::shared_ptr getVertexArray() const { return m_vao; } + + private: + std::shared_ptr m_vao; }; } // namespace ICE diff --git a/ICE/Graphics/include/GPUTexture.h b/ICE/Graphics/include/GPUTexture.h index eb34c329..b928e8c4 100644 --- a/ICE/Graphics/include/GPUTexture.h +++ b/ICE/Graphics/include/GPUTexture.h @@ -4,5 +4,8 @@ namespace ICE { class GPUTexture { public: virtual void bind(uint32_t slot) const = 0; + virtual int id() const = 0; + void* ptr() const { return reinterpret_cast(static_cast(id())); } + virtual ~GPUTexture() = default; }; } // namespace ICE diff --git a/ICE/Graphics/include/GraphicsFactory.h b/ICE/Graphics/include/GraphicsFactory.h index 7272ea61..d21c36b8 100644 --- a/ICE/Graphics/include/GraphicsFactory.h +++ b/ICE/Graphics/include/GraphicsFactory.h @@ -34,7 +34,6 @@ class GraphicsFactory { virtual std::shared_ptr createShader(const Shader& shader) const = 0; virtual std::shared_ptr createTexture2D(const Texture2D &texture) const = 0; - virtual std::shared_ptr createTexture2D(const void* data, size_t w, size_t h, TextureFormat fmt) const = 0; virtual std::shared_ptr createTextureCube(const TextureCube& texture) const = 0; }; diff --git a/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h b/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h index 4383fefe..f1d65194 100644 --- a/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h +++ b/ICE/GraphicsAPI/OpenGL/include/OpenGLFactory.h @@ -41,9 +41,6 @@ class OpenGLFactory : public GraphicsFactory { std::shared_ptr createShader(const Shader& shader) const override { return std::make_shared(shader); } std::shared_ptr createTexture2D(const Texture2D& texture) const override { return std::make_shared(texture); } - std::shared_ptr createTexture2D(const void* data, size_t w, size_t h, TextureFormat fmt) const override { - return std::make_shared(data, w, h, fmt); - } std::shared_ptr createTextureCube(const TextureCube& texture) const override { return std::make_shared(texture); } }; diff --git a/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h b/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h index 60e8c17e..2b68236b 100644 --- a/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h +++ b/ICE/GraphicsAPI/OpenGL/include/OpenGLShader.h @@ -7,43 +7,45 @@ #include #include +#include #include -#include + #include +#include namespace ICE { - class OpenGLShader : public ShaderProgram { - public: - void bind() const override; - - void unbind() const override; +class OpenGLShader : public ShaderProgram { + public: + explicit OpenGLShader(const Shader &shader_asset); - void loadInt(const std::string &name, int v) override; + void bind() const override; - void loadInts(const std::string &name, int *array, uint32_t size) override; + void unbind() const override; - void loadFloat(const std::string &name, float v) override; + void loadInt(const std::string &name, int v) override; - void loadFloat2(const std::string &name, Eigen::Vector2f vec) override; + void loadInts(const std::string &name, int *array, uint32_t size) override; - void loadFloat3(const std::string &name, Eigen::Vector3f vec) override; + void loadFloat(const std::string &name, float v) override; - void loadFloat4(const std::string &name, Eigen::Vector4f vec) override; + void loadFloat2(const std::string &name, Eigen::Vector2f vec) override; - void loadMat4(const std::string &name, Eigen::Matrix4f mat) override; + void loadFloat3(const std::string &name, Eigen::Vector3f vec) override; - OpenGLShader(const std::string &vertexFile, const std::string &geoFile, const std::string &fragmentFile); + void loadFloat4(const std::string &name, Eigen::Vector4f vec) override; - OpenGLShader(const std::string &vertexFile, const std::string &fragmentFile); + void loadMat4(const std::string &name, Eigen::Matrix4f mat) override; - private: + private: + GLint getLocation(const std::string &name); - GLint getLocation(const std::string &name); + void compileAndAttachStage(ShaderStage stage, const std::string &source); - uint32_t programID; - std::unordered_map locations; - }; -} + constexpr GLenum stageToGLStage(ShaderStage stage); + uint32_t m_programID; + std::unordered_map m_locations; +}; +} // namespace ICE -#endif //ICE_OPENGLSHADER_H +#endif //ICE_OPENGLSHADER_H diff --git a/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h b/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h index 791b8929..ba3eb877 100644 --- a/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h +++ b/ICE/GraphicsAPI/OpenGL/include/OpenGLTexture.h @@ -69,9 +69,10 @@ class OpenGLTexture2D : public GPUTexture { OpenGLTexture2D(const Texture2D &tex); void bind(uint32_t slot) const override; + int id() const override; private: - uint32_t id; + uint32_t m_id; }; class OpenGLTextureCube : public GPUTexture { @@ -79,9 +80,10 @@ class OpenGLTextureCube : public GPUTexture { OpenGLTextureCube(const TextureCube &tex); void bind(uint32_t slot) const override; + int id() const override; private: - uint32_t id; + uint32_t m_id; }; } // namespace ICE diff --git a/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp b/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp index 6e81a594..124b5ca4 100644 --- a/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp +++ b/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp @@ -10,8 +10,31 @@ #include namespace ICE { + +OpenGLShader::OpenGLShader(const Shader &shader_asset) { + m_programID = glCreateProgram(); + Logger::Log(Logger::VERBOSE, "Graphics", "Compiling shader..."); + + for (const auto& [stage, source] : shader_asset.getSources()) { + compileAndAttachStage(stage, source); + } + + glLinkProgram(m_programID); + GLint linkStatus = 0; + glGetProgramiv(m_programID, GL_LINK_STATUS, &linkStatus); + if (linkStatus == GL_FALSE) { + Logger::Log(Logger::FATAL, "Graphics", "Error while linking shader"); + GLint maxLength = 0; + glGetProgramiv(m_programID, GL_INFO_LOG_LENGTH, &maxLength); + + std::vector errorLog(maxLength); + glGetProgramInfoLog(m_programID, maxLength, &maxLength, &errorLog[0]); + Logger::Log(Logger::FATAL, "Graphics", "Shader linking error: %s", errorLog.data()); + } +} + void OpenGLShader::bind() const { - glUseProgram(programID); + glUseProgram(m_programID); } void OpenGLShader::unbind() const { @@ -47,11 +70,11 @@ void OpenGLShader::loadMat4(const std::string &name, Eigen::Matrix4f mat) { } GLint OpenGLShader::getLocation(const std::string &name) { - if (this->locations.find(name) == this->locations.end()) { - GLint location = glGetUniformLocation(programID, name.c_str()); - locations[name] = static_cast(location); + if (!m_locations.contains(name)) { + GLint location = glGetUniformLocation(m_programID, name.c_str()); + m_locations[name] = static_cast(location); } - return locations[name]; + return m_locations[name]; } bool compileShader(GLenum type, const std::string &source, GLint *shader) { @@ -77,48 +100,31 @@ bool compileShader(GLenum type, const std::string &source, GLint *shader) { return compileStatus == GL_TRUE; } -//TODO: Another ctor for tesselation control and evaluation shaders -OpenGLShader::OpenGLShader(const std::string &vertex_src, const std::string &geo_src, const std::string &fragment_src) { - //TODO: Better tracing in case of errors, cleanup - this->programID = glCreateProgram(); - - GLint vertexShader; - Logger::Log(Logger::VERBOSE, "Graphics", "Compiling vertex shader..."); - if (!compileShader(GL_VERTEX_SHADER, vertex_src, &vertexShader)) { - Logger::Log(Logger::FATAL, "Graphics", "Error while compiling vertex shader"); +void OpenGLShader::compileAndAttachStage(ShaderStage stage, const std::string &source) { + GLint shader; + Logger::Log(Logger::VERBOSE, "Graphics", "\t + Compiling shader stage..."); + if (!compileShader(stageToGLStage(stage), source, &shader)) { + Logger::Log(Logger::FATAL, "Graphics", "Error while compiling shader stage"); } - glAttachShader(programID, vertexShader); + glAttachShader(m_programID, shader); +} - GLint fragmentShader; - Logger::Log(Logger::VERBOSE, "Graphics", "Compiling fragment shader..."); - if (!compileShader(GL_FRAGMENT_SHADER, fragment_src, &fragmentShader)) { - Logger::Log(Logger::FATAL, "Graphics", "Error while compiling fragment shader"); - } - glAttachShader(programID, fragmentShader); - - if (!geo_src.empty()) { - GLint geoShader; - Logger::Log(Logger::VERBOSE, "Graphics", "Compiling geometry shader..."); - if (!compileShader(GL_GEOMETRY_SHADER, geo_src, &geoShader)) { - Logger::Log(Logger::FATAL, "Graphics", "Error while compiling geometry shader"); - } - glAttachShader(programID, geoShader); - } - glLinkProgram(programID); - GLint linkStatus = 0; - glGetProgramiv(programID, GL_LINK_STATUS, &linkStatus); - if (linkStatus == GL_FALSE) { - Logger::Log(Logger::FATAL, "Graphics", "Error while linking shader"); - GLint maxLength = 0; - glGetProgramiv(programID, GL_INFO_LOG_LENGTH, &maxLength); - - std::vector errorLog(maxLength); - glGetProgramInfoLog(programID, maxLength, &maxLength, &errorLog[0]); - Logger::Log(Logger::FATAL, "Graphics", "Shader linking error: %s", errorLog.data()); +constexpr GLenum OpenGLShader::stageToGLStage(ShaderStage stage) { + switch (stage) { + case ShaderStage::Vertex: + return GL_VERTEX_SHADER; + case ShaderStage::Fragment: + return GL_FRAGMENT_SHADER; + case ShaderStage::Geometry: + return GL_GEOMETRY_SHADER; + case ShaderStage::TessControl: + return GL_TESS_CONTROL_SHADER; + case ShaderStage::TessEval: + return GL_TESS_EVALUATION_SHADER; + case ShaderStage::Compute: + return GL_COMPUTE_SHADER; } } -OpenGLShader::OpenGLShader(const std::string &vertex_src, const std::string &fragment_src) : OpenGLShader(vertex_src, "", fragment_src) { -} } // namespace ICE \ No newline at end of file diff --git a/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp b/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp index 5693f2ef..bded6daa 100644 --- a/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp +++ b/ICE/GraphicsAPI/OpenGL/src/OpenGLTexture2D.cpp @@ -13,8 +13,8 @@ OpenGLTexture2D::OpenGLTexture2D(const Texture2D &tex) { auto width = tex.getWidth(); auto height = tex.getHeight(); - glGenTextures(1, &id); - glBindTexture(GL_TEXTURE_2D, id); + glGenTextures(1, &m_id); + glBindTexture(GL_TEXTURE_2D, m_id); auto fmt = tex.getFormat(); auto storageFormat = textureFormatToGLInternalFormat(fmt); @@ -24,15 +24,20 @@ OpenGLTexture2D::OpenGLTexture2D(const Texture2D &tex) { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - auto wrap = TextureWrap::Repeat; - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + auto wrap = tex.getWrap(); + auto glWrap = (wrap == TextureWrap::Clamp) ? GL_CLAMP_TO_EDGE : (wrap == TextureWrap::Repeat) ? GL_REPEAT : GL_REPEAT; + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, glWrap); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, glWrap); glTexImage2D(GL_TEXTURE_2D, 0, storageFormat, width, height, 0, dataFormat, GL_UNSIGNED_BYTE, tex.data()); } +int OpenGLTexture2D::id() const { + return m_id; +} + void OpenGLTexture2D::bind(uint32_t slot) const { glActiveTexture(GL_TEXTURE0 + slot); - glBindTexture(GL_TEXTURE_2D, id); + glBindTexture(GL_TEXTURE_2D, m_id); } } // namespace ICE \ No newline at end of file diff --git a/ICE/GraphicsAPI/OpenGL/src/OpenGLTextureCube.cpp b/ICE/GraphicsAPI/OpenGL/src/OpenGLTextureCube.cpp index b7ef4a13..ee0c6fa6 100644 --- a/ICE/GraphicsAPI/OpenGL/src/OpenGLTextureCube.cpp +++ b/ICE/GraphicsAPI/OpenGL/src/OpenGLTextureCube.cpp @@ -9,16 +9,13 @@ namespace ICE { -OpenGLTextureCube::OpenGLTextureCube(const std::string &file) { - int channels, w, h; - void *data = Texture::getDataFromFile(file, &w, &h, &channels, STBI_rgb); - width = w; - height = h; +OpenGLTextureCube::OpenGLTextureCube(const TextureCube &texture_asset) { + + glGenTextures(1, &m_id); + glBindTexture(GL_TEXTURE_CUBE_MAP, m_id); - glGenTextures(1, &id); - glBindTexture(GL_TEXTURE_CUBE_MAP, id); - - auto faces = equirectangularToCubemap((uint8_t *) data, width, height); + auto width = texture_asset.getWidth(); + auto faces = equirectangularToCubemap((uint8_t *) texture_asset.data(), width, texture_asset.getHeight()); for (int i = 0; i < 6; i++) { glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB, width / 4, width / 4, 0, GL_RGB, GL_UNSIGNED_BYTE, faces[i]); } @@ -29,39 +26,15 @@ OpenGLTextureCube::OpenGLTextureCube(const std::string &file) { glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE); - stbi_image_free(data); -} - -void OpenGLTextureCube::bind(uint32_t slot) const { - glActiveTexture(GL_TEXTURE0 + slot); - glBindTexture(GL_TEXTURE_CUBE_MAP, id); -} - -TextureFormat OpenGLTextureCube::getFormat() const { - return TextureFormat::RGB8; -} - -uint32_t OpenGLTextureCube::getWidth() const { - return width; -} - -uint32_t OpenGLTextureCube::getHeight() const { - return height; -} - -TextureWrap OpenGLTextureCube::getWrap() const { - return TextureWrap::Clamp; } -void OpenGLTextureCube::setData(void *data, uint32_t size) { - //TODO -} -void *OpenGLTextureCube::getTexture() const { - return static_cast(0) + id; +int OpenGLTextureCube::id() const { + return m_id; } -TextureType OpenGLTextureCube::getTextureType() const { - return TextureType::CubeMap; +void OpenGLTextureCube::bind(uint32_t slot) const { + glActiveTexture(GL_TEXTURE0 + slot); + glBindTexture(GL_TEXTURE_CUBE_MAP, m_id); } } // namespace ICE \ No newline at end of file diff --git a/ICE/IO/CMakeLists.txt b/ICE/IO/CMakeLists.txt index f6fdb6e9..4a890398 100644 --- a/ICE/IO/CMakeLists.txt +++ b/ICE/IO/CMakeLists.txt @@ -22,6 +22,7 @@ target_link_libraries(${PROJECT_NAME} graphics_api assimp platform + nlohmann_json ) target_include_directories(${PROJECT_NAME} PUBLIC diff --git a/ICE/IO/include/IAssetLoader.h b/ICE/IO/include/IAssetLoader.h index d9de1ac9..94039996 100644 --- a/ICE/IO/include/IAssetLoader.h +++ b/ICE/IO/include/IAssetLoader.h @@ -13,11 +13,8 @@ namespace ICE { template class IAssetLoader { public: - IAssetLoader(const std::shared_ptr &factory) : graphics_factory(factory) {} + IAssetLoader() = default; virtual std::shared_ptr load(const std::vector &files) = 0; - - protected: - std::shared_ptr graphics_factory; }; } // namespace ICE diff --git a/ICE/IO/include/MaterialLoader.h b/ICE/IO/include/MaterialLoader.h index 5e7f8303..c5a895ad 100644 --- a/ICE/IO/include/MaterialLoader.h +++ b/ICE/IO/include/MaterialLoader.h @@ -11,7 +11,7 @@ namespace ICE { class MaterialLoader : public IAssetLoader { public: - MaterialLoader() : IAssetLoader(nullptr) {} + MaterialLoader() = default; std::shared_ptr load(const std::vector &files) override; }; } // namespace ICE diff --git a/ICE/IO/include/ModelLoader.h b/ICE/IO/include/ModelLoader.h index 0b92c85c..617961b5 100644 --- a/ICE/IO/include/ModelLoader.h +++ b/ICE/IO/include/ModelLoader.h @@ -18,10 +18,7 @@ class AssetBank; class ModelLoader : public IAssetLoader { public: - ModelLoader(const std::shared_ptr &factory, AssetBank &bank) - : ref_bank(bank), - m_graphics_factory(factory), - IAssetLoader(factory) {} + ModelLoader(AssetBank &bank) : ref_bank(bank) {} std::shared_ptr load(const std::vector &file) override; @@ -42,6 +39,5 @@ class ModelLoader : public IAssetLoader { constexpr TextureFormat getTextureFormat(aiTextureType type, int channels); AssetBank &ref_bank; - std::shared_ptr m_graphics_factory; }; } // namespace ICE diff --git a/ICE/IO/include/Project.h b/ICE/IO/include/Project.h index 37d70ead..062b1dce 100644 --- a/ICE/IO/include/Project.h +++ b/ICE/IO/include/Project.h @@ -15,8 +15,9 @@ error "Missing the header." #endif #include #include +#include #include -#include +#include #include #include @@ -43,6 +44,7 @@ class Project { std::shared_ptr getAssetBank(); void setAssetBank(const std::shared_ptr& assetBank); + std::shared_ptr getGPURegistry(); void addScene(const Scene& scene); void setCurrentScene(const std::shared_ptr& scene); @@ -70,7 +72,7 @@ class Project { std::string source = entry; sources.push_back(m_base_directory / source); } - assetBank->addAssetWithSpecificUID(asset_path, sources, uid); + m_asset_bank->addAssetWithSpecificUID(asset_path, sources, uid); } } @@ -87,12 +89,13 @@ class Project { fs::path m_shaders_directory; fs::path m_textures_directory; fs::path m_cubemaps_directory; - std::string name; + std::string m_name; - std::vector> scenes; + std::vector> m_scenes; std::shared_ptr m_current_scene; - std::shared_ptr assetBank; + std::shared_ptr m_asset_bank; + std::shared_ptr m_gpu_registry; Eigen::Vector3f cameraPosition, cameraRotation; }; diff --git a/ICE/IO/include/ShaderLoader.h b/ICE/IO/include/ShaderLoader.h index 648f96e0..408552d1 100644 --- a/ICE/IO/include/ShaderLoader.h +++ b/ICE/IO/include/ShaderLoader.h @@ -13,8 +13,9 @@ namespace ICE { class ShaderLoader : public IAssetLoader { public: - ShaderLoader(const std::shared_ptr &factory) : IAssetLoader(factory) {} + ShaderLoader() = default; std::shared_ptr load(const std::vector &file) override; std::string readAndResolveIncludes(const std::filesystem::path &file); + constexpr ShaderStage stageFromString(const std::string &str); }; } // namespace ICE diff --git a/ICE/IO/include/TextureLoader.h b/ICE/IO/include/TextureLoader.h index 267b472d..7e868d0c 100644 --- a/ICE/IO/include/TextureLoader.h +++ b/ICE/IO/include/TextureLoader.h @@ -13,12 +13,12 @@ namespace ICE { class Texture2DLoader : public IAssetLoader { public: - Texture2DLoader(const std::shared_ptr &factory) : IAssetLoader(factory) {} + Texture2DLoader() = default; std::shared_ptr load(const std::vector &file) override; }; class TextureCubeLoader : public IAssetLoader { public: - TextureCubeLoader(const std::shared_ptr &factory) : IAssetLoader(factory) {} + TextureCubeLoader() = default; std::shared_ptr load(const std::vector &file) override; }; } // namespace ICE diff --git a/ICE/IO/src/EngineConfig.cpp b/ICE/IO/src/EngineConfig.cpp index 4317f2cb..960370d3 100644 --- a/ICE/IO/src/EngineConfig.cpp +++ b/ICE/IO/src/EngineConfig.cpp @@ -5,10 +5,10 @@ #include "EngineConfig.h" #include -#include #include #include +#include #include namespace ICE { diff --git a/ICE/IO/src/MaterialExporter.cpp b/ICE/IO/src/MaterialExporter.cpp index 884fd464..92f4e690 100644 --- a/ICE/IO/src/MaterialExporter.cpp +++ b/ICE/IO/src/MaterialExporter.cpp @@ -1,6 +1,6 @@ #include "MaterialExporter.h" -#include +#include #include #include #include diff --git a/ICE/IO/src/MaterialLoader.cpp b/ICE/IO/src/MaterialLoader.cpp index c1fde64a..fc73fd2f 100644 --- a/ICE/IO/src/MaterialLoader.cpp +++ b/ICE/IO/src/MaterialLoader.cpp @@ -5,7 +5,7 @@ #include "MaterialLoader.h" #include -#include +#include #include diff --git a/ICE/IO/src/ModelLoader.cpp b/ICE/IO/src/ModelLoader.cpp index bb09e879..9321e4fa 100644 --- a/ICE/IO/src/ModelLoader.cpp +++ b/ICE/IO/src/ModelLoader.cpp @@ -211,7 +211,7 @@ AssetUID ModelLoader::extractTexture(const aiMaterial *material, const std::stri } else { data2 = data; } - auto texture_ice = m_graphics_factory->createTexture2D(data2, width, height, getTextureFormat(type, channels)); + auto texture_ice = std::make_shared(data2, width, height, getTextureFormat(type, channels)); if (tex_id = ref_bank.getUID(AssetPath::WithTypePrefix(tex_path)); tex_id != 0) { ref_bank.removeAsset(AssetPath::WithTypePrefix(tex_path)); ref_bank.addAssetWithSpecificUID(AssetPath::WithTypePrefix(tex_path), texture_ice, tex_id); diff --git a/ICE/IO/src/Project.cpp b/ICE/IO/src/Project.cpp index dce19fe6..6e773516 100644 --- a/ICE/IO/src/Project.cpp +++ b/ICE/IO/src/Project.cpp @@ -18,10 +18,11 @@ #include "MaterialExporter.h" namespace ICE { -Project::Project(const fs::path &base_directory, const std::string &name) - : m_base_directory(base_directory / name), - name(name), - assetBank(std::make_shared(std::make_shared())) { +Project::Project(const fs::path &base_directory, const std::string &m_name) + : m_base_directory(base_directory / m_name), + m_name(m_name), + m_asset_bank(std::make_shared()), + m_gpu_registry(std::make_shared(std::make_shared(), m_asset_bank)) { cameraPosition.setZero(); cameraRotation.setZero(); constexpr std::string_view assets_folder = "Assets"; @@ -40,22 +41,22 @@ bool Project::CreateDirectories() { } catch (std::filesystem::filesystem_error &e) { Logger::Log(Logger::FATAL, "IO", "Could not copy default assets: %s", e.what()); } - assetBank->addAsset("solid", {m_shaders_directory / "skinning.vs", m_shaders_directory / "solid.fs"}); - assetBank->addAsset("phong", {m_shaders_directory / "skinning.vs", m_shaders_directory / "phong.fs"}); - assetBank->addAsset("normal", {m_shaders_directory / "skinning.vs", m_shaders_directory / "normal.fs"}); - assetBank->addAsset("pbr", {m_shaders_directory / "skinning.vs", m_shaders_directory / "pbr.fs"}); - assetBank->addAsset("lastpass", {m_shaders_directory / "lastpass.vs", m_shaders_directory / "lastpass.fs"}); - assetBank->addAsset("__ice__picking_shader", {m_shaders_directory / "skinning.vs", m_shaders_directory / "picking.fs"}); + m_asset_bank->addAsset("solid", {m_shaders_directory / "skinning.vs", m_shaders_directory / "solid.fs"}); + m_asset_bank->addAsset("phong", {m_shaders_directory / "skinning.vs", m_shaders_directory / "phong.fs"}); + m_asset_bank->addAsset("normal", {m_shaders_directory / "skinning.vs", m_shaders_directory / "normal.fs"}); + m_asset_bank->addAsset("pbr", {m_shaders_directory / "skinning.vs", m_shaders_directory / "pbr.fs"}); + m_asset_bank->addAsset("lastpass", {m_shaders_directory / "lastpass.vs", m_shaders_directory / "lastpass.fs"}); + m_asset_bank->addAsset("__ice__picking_shader", {m_shaders_directory / "skinning.vs", m_shaders_directory / "picking.fs"}); - assetBank->addAsset("base_mat", {m_materials_directory / "base_mat.icm"}); + m_asset_bank->addAsset("base_mat", {m_materials_directory / "base_mat.icm"}); - assetBank->addAsset("cube", {m_meshes_directory / "cube.obj"}); - assetBank->addAsset("sphere", {m_meshes_directory / "sphere.obj"}); + m_asset_bank->addAsset("cube", {m_meshes_directory / "cube.obj"}); + m_asset_bank->addAsset("sphere", {m_meshes_directory / "sphere.obj"}); - assetBank->addAsset("Editor/folder", {m_textures_directory / "Editor" / "folder.png"}); - assetBank->addAsset("Editor/shader", {m_textures_directory / "Editor" / "shader.png"}); + m_asset_bank->addAsset("Editor/folder", {m_textures_directory / "Editor" / "folder.png"}); + m_asset_bank->addAsset("Editor/shader", {m_textures_directory / "Editor" / "shader.png"}); - scenes.push_back(std::make_shared("MainScene")); + m_scenes.push_back(std::make_shared("MainScene")); setCurrentScene(getScenes()[0]); return true; } @@ -65,34 +66,34 @@ fs::path Project::getBaseDirectory() const { } std::string Project::getName() const { - return name; + return m_name; } void Project::writeToFile(const std::shared_ptr &editorCamera) { std::ofstream outstream; - outstream.open(m_base_directory / (name + ".ice")); + outstream.open(m_base_directory / (m_name + ".ice")); json j; j["camera_position"] = dumpVec3(editorCamera->getPosition()); j["camera_rotation"] = dumpVec3(editorCamera->getRotation()); std::vector vec; - for (const auto &s : scenes) { + for (const auto &s : m_scenes) { vec.push_back(s->getName()); } j["scenes"] = vec; vec.clear(); - for (const auto &[asset_id, mesh] : assetBank->getAll()) { + for (const auto &[asset_id, mesh] : m_asset_bank->getAll()) { vec.push_back(dumpAsset(asset_id, mesh)); } j["models"] = vec; vec.clear(); - for (const auto &[asset_id, material] : assetBank->getAll()) { - auto mtlName = assetBank->getName(asset_id).getName(); + for (const auto &[asset_id, material] : m_asset_bank->getAll()) { + auto mtlName = m_asset_bank->getName(asset_id).getName(); - fs::path path = m_materials_directory.parent_path() / (assetBank->getName(asset_id).prefix() + mtlName + ".icm"); + fs::path path = m_materials_directory.parent_path() / (m_asset_bank->getName(asset_id).prefix() + mtlName + ".icm"); fs::create_directories(path.parent_path()); MaterialExporter().writeToJson(path, *material); @@ -103,19 +104,19 @@ void Project::writeToFile(const std::shared_ptr &editorCamera) { j["materials"] = vec; vec.clear(); - for (const auto &[asset_id, shader] : assetBank->getAll()) { + for (const auto &[asset_id, shader] : m_asset_bank->getAll()) { vec.push_back(dumpAsset(asset_id, shader)); } j["shaders"] = vec; vec.clear(); - for (const auto &[asset_id, texture] : assetBank->getAll()) { + for (const auto &[asset_id, texture] : m_asset_bank->getAll()) { vec.push_back(dumpAsset(asset_id, texture)); } j["textures2D"] = vec; vec.clear(); - for (const auto &[asset_id, texture] : assetBank->getAll()) { + for (const auto &[asset_id, texture] : m_asset_bank->getAll()) { vec.push_back(dumpAsset(asset_id, texture)); } j["cubeMaps"] = vec; @@ -123,16 +124,16 @@ void Project::writeToFile(const std::shared_ptr &editorCamera) { outstream << j.dump(4); outstream.close(); - for (const auto &s : scenes) { + for (const auto &s : m_scenes) { outstream.open(m_scenes_directory / (s->getName() + ".ics")); j.clear(); - j["name"] = s->getName(); + j["m_name"] = s->getName(); json entities = json::array(); for (auto e : s->getRegistry()->getEntities()) { json entity; entity["id"] = e; - entity["name"] = s->getAlias(e); + entity["m_name"] = s->getAlias(e); entity["parent"] = s->getGraph()->getParentID(e); if (s->getRegistry()->entityHasComponent(e)) { @@ -165,7 +166,7 @@ void Project::writeToFile(const std::shared_ptr &editorCamera) { } json Project::dumpAsset(AssetUID uid, const std::shared_ptr &asset) { - auto asset_path = assetBank->getName(uid); + auto asset_path = m_asset_bank->getName(uid); json tmp; auto paths = asset->getSources(); std::vector sources(paths.size()); @@ -180,7 +181,7 @@ json Project::dumpAsset(AssetUID uid, const std::shared_ptr &asset) { } void Project::loadFromFile() { - std::ifstream infile = std::ifstream(m_base_directory / (name + ".ice")); + std::ifstream infile = std::ifstream(m_base_directory / (m_name + ".ice")); json j; infile >> j; infile.close(); @@ -207,12 +208,12 @@ void Project::loadFromFile() { infile >> scenejson; infile.close(); - Scene scene = Scene(scenejson["name"]); + Scene scene = Scene(scenejson["m_name"]); for (json jentity : scenejson["entities"]) { Entity e = jentity["id"]; Entity parent = jentity["parent"]; - std::string alias = jentity["name"]; + std::string alias = jentity["m_name"]; scene.addEntity(e, alias, 0); @@ -262,7 +263,7 @@ bool Project::renameAsset(const AssetPath &oldName, const AssetPath &newName) { if (newName.getName() == "" || newName.prefix() != oldName.prefix()) { return false; } - if (assetBank->renameAsset(oldName, newName)) { + if (m_asset_bank->renameAsset(oldName, newName)) { auto path = m_base_directory / "Assets"; for (const auto &file : getFilesInDir(path / oldName.prefix())) { if (file.substr(0, file.find_last_of(".")) == oldName.getName()) { @@ -288,23 +289,27 @@ std::vector Project::getFilesInDir(const fs::path &folder) { } std::vector> Project::getScenes() { - return scenes; + return m_scenes; } void Project::setScenes(const std::vector> &scenes) { - Project::scenes = scenes; + m_scenes = scenes; +} + +std::shared_ptr Project::getGPURegistry() { + return m_gpu_registry; } std::shared_ptr Project::getAssetBank() { - return assetBank; + return m_asset_bank; } -void Project::setAssetBank(const std::shared_ptr &assetBank) { - Project::assetBank = assetBank; +void Project::setAssetBank(const std::shared_ptr &asset_bank) { + m_asset_bank = asset_bank; } void Project::addScene(const Scene &scene) { - scenes.push_back(std::make_shared(scene)); + m_scenes.push_back(std::make_shared(scene)); } void Project::setCurrentScene(const std::shared_ptr &scene) { diff --git a/ICE/IO/src/ShaderLoader.cpp b/ICE/IO/src/ShaderLoader.cpp index 8668c50d..13348630 100644 --- a/ICE/IO/src/ShaderLoader.cpp +++ b/ICE/IO/src/ShaderLoader.cpp @@ -8,27 +8,48 @@ #include #include +#include #include namespace ICE { std::shared_ptr ShaderLoader::load(const std::vector &files) { - if (files.size() < 2) { - throw ICEException("Shaders must have at least 2 files"); + if (files.empty()) { + throw ICEException("No files provided for shader"); } - std::shared_ptr shader; - if (files.size() == 2) { - shader = graphics_factory->createShader(readAndResolveIncludes(files[0]), readAndResolveIncludes(files[1])); - } else if (files.size() == 3) { - shader = graphics_factory->createShader(readAndResolveIncludes(files[0]), readAndResolveIncludes(files[1]), readAndResolveIncludes(files[2])); - } else { - throw ICEException("Too many files for shader"); + auto json = nlohmann::json::parse(std::ifstream(files[0])); + + ShaderSource shader_sources; + for (const auto &stage_source : json) { + auto stage = stageFromString(stage_source["stage"]); + auto file = stage_source["file"].get(); + shader_sources[stage] = readAndResolveIncludes(files[0].parent_path() / file); } + auto shader = std::make_shared(shader_sources); + shader->setSources(files); return shader; } +constexpr ShaderStage ShaderLoader::stageFromString(const std::string &str) { + if (str == "vertex") { + return ShaderStage::Vertex; + } else if (str == "fragment") { + return ShaderStage::Fragment; + } else if (str == "geometry") { + return ShaderStage::Geometry; + } else if (str == "tess_control") { + return ShaderStage::TessControl; + } else if (str == "tess_eval") { + return ShaderStage::TessEval; + } else if (str == "compute") { + return ShaderStage::Compute; + } else { + throw ICEException("Unknown shader stage: " + str); + } +} + std::string ShaderLoader::readAndResolveIncludes(const std::filesystem::path &file_path) { std::ifstream file(file_path); if (!file.is_open()) { diff --git a/ICE/IO/src/TextureLoader.cpp b/ICE/IO/src/TextureLoader.cpp index 8883bcd2..e24a0b76 100644 --- a/ICE/IO/src/TextureLoader.cpp +++ b/ICE/IO/src/TextureLoader.cpp @@ -13,14 +13,14 @@ std::shared_ptr Texture2DLoader::load(const std::vector(); + auto texture = std::make_shared(file[0].string()); texture->setSources(file); return texture; } std::shared_ptr TextureCubeLoader::load(const std::vector &file) { Logger::Log(Logger::VERBOSE, "IO", "Loading cubemap..."); - auto texture = std::make_shared(); + auto texture = std::make_shared(file[0].string()); texture->setSources(file); return texture; } diff --git a/ICE/Storage/CMakeLists.txt b/ICE/Storage/CMakeLists.txt index 8788d22d..46fb5335 100644 --- a/ICE/Storage/CMakeLists.txt +++ b/ICE/Storage/CMakeLists.txt @@ -9,7 +9,9 @@ target_sources(${PROJECT_NAME} PRIVATE src/Filesystem.cpp ) -#target_link_libraries(${PROJECT_NAME}) +target_link_libraries(${PROJECT_NAME} PUBLIC + nlohmann_json +) target_include_directories(${PROJECT_NAME} PUBLIC $ diff --git a/ICE/Storage/include/JsonParser.h b/ICE/Storage/include/JsonParser.h index 459112ec..ce57a361 100644 --- a/ICE/Storage/include/JsonParser.h +++ b/ICE/Storage/include/JsonParser.h @@ -7,7 +7,7 @@ #include -#include +#include using json = nlohmann::json; namespace ICE { diff --git a/ICE/System/include/RenderSystem.h b/ICE/System/include/RenderSystem.h index de8301e8..4bdcf4a4 100644 --- a/ICE/System/include/RenderSystem.h +++ b/ICE/System/include/RenderSystem.h @@ -11,6 +11,7 @@ #include #include #include +#include namespace ICE { class Scene; @@ -19,7 +20,7 @@ class Registry; class RenderSystem : public System { public: RenderSystem(const std::shared_ptr &api, const std::shared_ptr &factory, const std::shared_ptr ®, - const std::shared_ptr &bank); + const std::shared_ptr &bank); void onEntityAdded(Entity e) override; void onEntityRemoved(Entity e) override; @@ -59,7 +60,7 @@ class RenderSystem : public System { std::shared_ptr m_api; std::shared_ptr m_factory; std::shared_ptr m_registry; - std::shared_ptr m_asset_bank; + std::shared_ptr m_asset_bank; std::shared_ptr m_quad_vao; }; diff --git a/ICE/System/src/RenderSystem.cpp b/ICE/System/src/RenderSystem.cpp index 825d0cf9..326a1ad3 100644 --- a/ICE/System/src/RenderSystem.cpp +++ b/ICE/System/src/RenderSystem.cpp @@ -9,7 +9,7 @@ namespace ICE { RenderSystem::RenderSystem(const std::shared_ptr &api, const std::shared_ptr &factory, - const std::shared_ptr ®, const std::shared_ptr &bank) + const std::shared_ptr ®, const std::shared_ptr &bank) : m_api(api), m_factory(factory), m_registry(reg), @@ -32,10 +32,10 @@ void RenderSystem::update(double delta) { auto proj_mat = m_camera->getProjection(); if (m_skybox != NO_ASSET_ID) { - auto shader = m_asset_bank->getAsset("__ice_skybox_shader"); + auto shader = m_asset_bank->getShader(m_asset_bank->getUID(AssetPath::WithTypePrefix("__ice_skybox_shader"))); auto skybox = m_registry->getComponent(m_skybox); - auto mesh = m_asset_bank->getAsset("cube")->getMeshes().at(0); - auto tex = m_asset_bank->getAsset(skybox->texture); + auto mesh = m_asset_bank->getMesh(m_asset_bank->getUID(AssetPath::WithTypePrefix("cube"))); + auto tex = m_asset_bank->getCubemap(skybox->texture); m_renderer->submitSkybox(Skybox{ .cube_mesh = mesh, .shader = shader, @@ -47,10 +47,10 @@ void RenderSystem::update(double delta) { for (const auto &e : m_render_queue) { auto rc = m_registry->getComponent(e); auto tc = m_registry->getComponent(e); - auto model = m_asset_bank->getAsset(rc->model); + auto model = m_asset_bank->getMesh(rc->model); if (!model) continue; - + /* auto aabb = model->getBoundingBox(); Eigen::Vector3f min = (tc->getModelMatrix() * Eigen::Vector4f(aabb.getMin().x(), aabb.getMin().y(), aabb.getMin().z(), 1.0)).head<3>(); Eigen::Vector3f max = (tc->getModelMatrix() * Eigen::Vector4f(aabb.getMax().x(), aabb.getMax().y(), aabb.getMax().z(), 1.0)).head<3>(); @@ -58,8 +58,8 @@ void RenderSystem::update(double delta) { if (!isAABBInFrustum(frustum, aabb)) { continue; } - - submitModel(model, tc->getModelMatrix()); + */ + //submitModel(model, tc->getModelMatrix()); } for (int i = 0; i < m_lights.size(); i++) { @@ -88,7 +88,7 @@ void RenderSystem::update(double delta) { } m_api->clear(); - auto shader = m_asset_bank->getAsset(AssetPath::WithTypePrefix("lastpass")); + auto shader = m_asset_bank->getShader(m_asset_bank->getUID(AssetPath::WithTypePrefix("lastpass"))); shader->bind(); rendered_fb->bindAttachment(0); @@ -99,7 +99,7 @@ void RenderSystem::update(double delta) { } void RenderSystem::submitModel(const std::shared_ptr &model, const Eigen::Matrix4f &model_matrix) { - + /* std::vector> meshes; std::vector materials; std::vector transforms; @@ -109,11 +109,11 @@ void RenderSystem::submitModel(const std::shared_ptr &model, const Eigen: for (int i = 0; i < meshes.size(); i++) { auto mtl_id = materials.at(i); auto mesh = meshes.at(i); - auto material = m_asset_bank->getAsset(mtl_id); + auto material = m_asset_bank->getMaterial(mtl_id); if (!material) { continue; } - auto shader = m_asset_bank->getAsset(material->getShader()); + auto shader = m_asset_bank->getShader(material->getShader()); if (!shader) { continue; } @@ -126,7 +126,7 @@ void RenderSystem::submitModel(const std::shared_ptr &model, const Eigen: for (const auto &[name, value] : material->getAllUniforms()) { if (std::holds_alternative(value)) { auto v = std::get(value); - if (auto tex = m_asset_bank->getAsset(v); tex) { + if (auto tex = m_asset_bank->getTexture2D(v); tex) { texs.try_emplace(v, tex); } } @@ -139,6 +139,7 @@ void RenderSystem::submitModel(const std::shared_ptr &model, const Eigen: .model_matrix = transforms[i], .skeleton = model->getSkeleton()}); } + */ } void RenderSystem::onEntityAdded(Entity e) { diff --git a/ICEBERG/src/Assets.cpp b/ICEBERG/src/Assets.cpp index ed89ccf3..91e30a32 100644 --- a/ICEBERG/src/Assets.cpp +++ b/ICEBERG/src/Assets.cpp @@ -8,7 +8,7 @@ Assets::Assets(const std::shared_ptr& engine, const std::shared_ m_g_factory(g_factory), m_renderer(engine->getApi(), g_factory, engine->getAssetBank()), ui(m_asset_categories, - m_engine->getAssetBank()->getAsset(ICE::AssetPath::WithTypePrefix("Editor/folder"))->getTexture()), + m_engine->getGPURegistry()->getTexture2D(ICE::AssetPath::WithTypePrefix("Editor/folder"))->ptr()), m_material_editor(engine) { rebuildViewer(); ui.registerCallback("material_duplicate", [this](std::string name) { diff --git a/ICEBERG/src/AssetsRenderer.cpp b/ICEBERG/src/AssetsRenderer.cpp index b33926ba..5cf3d82a 100644 --- a/ICEBERG/src/AssetsRenderer.cpp +++ b/ICEBERG/src/AssetsRenderer.cpp @@ -7,6 +7,7 @@ std::pair AssetsRenderer::createThumbnail(const std::shared_ptr AssetsRenderer::getPreview(const std::shared_ptr& asset, const std::string& asset_path, float t) { + /* if (auto m = std::dynamic_pointer_cast(asset); m) { return {m->getTexture(), false}; } else if (auto m = std::dynamic_pointer_cast(asset); m) { @@ -74,4 +75,6 @@ std::pair AssetsRenderer::getPreview(const std::shared_ptr(0) + fb->getTexture(), true}; + */ + return {nullptr, false}; } \ No newline at end of file diff --git a/ICEBERG/src/Viewport.cpp b/ICEBERG/src/Viewport.cpp index 0830af5f..f2486bca 100644 --- a/ICEBERG/src/Viewport.cpp +++ b/ICEBERG/src/Viewport.cpp @@ -33,6 +33,7 @@ Viewport::Viewport(const std::shared_ptr &engine, const std::fun m_engine->getApi()->setClearColor(0, 0, 0, 0); m_engine->getApi()->clear(); + /* auto camera = m_engine->getCamera(); m_engine->getAssetBank()->getAsset("__ice__picking_shader")->bind(); m_engine->getAssetBank()->getAsset("__ice__picking_shader")->loadMat4("projection", camera->getProjection()); @@ -60,6 +61,7 @@ Viewport::Viewport(const std::shared_ptr &engine, const std::fun e += color.y() << 8; e += color.z() << 16; m_entity_picked_callback(e); + */ }); ui.registerCallback("resize", [this](float width, float height) { m_engine->getCamera()->resize(width, height); diff --git a/cmake/fetch_dependencies.cmake b/cmake/fetch_dependencies.cmake index bff1806b..74efc9c7 100644 --- a/cmake/fetch_dependencies.cmake +++ b/cmake/fetch_dependencies.cmake @@ -37,3 +37,13 @@ FetchContent_Declare( GIT_TAG development ) FetchContent_MakeAvailable(DearImXML) + +message(STATUS "Fetching nlohmann_json...") +set(JSON_BuildTests OFF CACHE INTERNAL "") +FetchContent_Declare( + json + GIT_REPOSITORY https://github.com/nlohmann/json + GIT_TAG v3.11.2 + GIT_SHALLOW TRUE + GIT_PROGRESS TRUE) +FetchContent_MakeAvailable(json) diff --git a/includes/GLFW/glfw3.h b/includes/GLFW/glfw3.h deleted file mode 100644 index 66dff649..00000000 --- a/includes/GLFW/glfw3.h +++ /dev/null @@ -1,5874 +0,0 @@ -/************************************************************************* - * GLFW 3.3 - www.glfw.org - * A library for OpenGL, window and input - *------------------------------------------------------------------------ - * Copyright (c) 2002-2006 Marcus Geelnard - * Copyright (c) 2006-2019 Camilla Löwy - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would - * be appreciated but is not required. - * - * 2. Altered source versions must be plainly marked as such, and must not - * be misrepresented as being the original software. - * - * 3. This notice may not be removed or altered from any source - * distribution. - * - *************************************************************************/ - -#ifndef _glfw3_h_ -#define _glfw3_h_ - -#ifdef __cplusplus -extern "C" { -#endif - - -/************************************************************************* - * Doxygen documentation - *************************************************************************/ - -/*! @file glfw3.h - * @brief The header of the GLFW 3 API. - * - * This is the header file of the GLFW 3 API. It defines all its types and - * declares all its functions. - * - * For more information about how to use this file, see @ref build_include. - */ -/*! @defgroup context Context reference - * @brief Functions and types related to OpenGL and OpenGL ES contexts. - * - * This is the reference documentation for OpenGL and OpenGL ES context related - * functions. For more task-oriented information, see the @ref context_guide. - */ -/*! @defgroup vulkan Vulkan reference - * @brief Functions and types related to Vulkan. - * - * This is the reference documentation for Vulkan related functions and types. - * For more task-oriented information, see the @ref vulkan_guide. - */ -/*! @defgroup init Initialization, version and error reference - * @brief Functions and types related to initialization and error handling. - * - * This is the reference documentation for initialization and termination of - * the library, version management and error handling. For more task-oriented - * information, see the @ref intro_guide. - */ -/*! @defgroup input Input reference - * @brief Functions and types related to input handling. - * - * This is the reference documentation for input related functions and types. - * For more task-oriented information, see the @ref input_guide. - */ -/*! @defgroup monitor Monitor reference - * @brief Functions and types related to monitors. - * - * This is the reference documentation for monitor related functions and types. - * For more task-oriented information, see the @ref monitor_guide. - */ -/*! @defgroup window Window reference - * @brief Functions and types related to windows. - * - * This is the reference documentation for window related functions and types, - * including creation, deletion and event polling. For more task-oriented - * information, see the @ref window_guide. - */ - - -/************************************************************************* - * Compiler- and platform-specific preprocessor work - *************************************************************************/ - -/* If we are we on Windows, we want a single define for it. - */ -#if !defined(_WIN32) && (defined(__WIN32__) || defined(WIN32) || defined(__MINGW32__)) - #define _WIN32 -#endif /* _WIN32 */ - -/* Include because most Windows GLU headers need wchar_t and - * the macOS OpenGL header blocks the definition of ptrdiff_t by glext.h. - * Include it unconditionally to avoid surprising side-effects. - */ -#include - -/* Include because it is needed by Vulkan and related functions. - * Include it unconditionally to avoid surprising side-effects. - */ -#include - -#if defined(GLFW_INCLUDE_VULKAN) - #include -#endif /* Vulkan header */ - -/* The Vulkan header may have indirectly included windows.h (because of - * VK_USE_PLATFORM_WIN32_KHR) so we offer our replacement symbols after it. - */ - -/* It is customary to use APIENTRY for OpenGL function pointer declarations on - * all platforms. Additionally, the Windows OpenGL header needs APIENTRY. - */ -#if !defined(APIENTRY) - #if defined(_WIN32) - #define APIENTRY __stdcall - #else - #define APIENTRY - #endif - #define GLFW_APIENTRY_DEFINED -#endif /* APIENTRY */ - -/* Some Windows OpenGL headers need this. - */ -#if !defined(WINGDIAPI) && defined(_WIN32) - #define WINGDIAPI __declspec(dllimport) - #define GLFW_WINGDIAPI_DEFINED -#endif /* WINGDIAPI */ - -/* Some Windows GLU headers need this. - */ -#if !defined(CALLBACK) && defined(_WIN32) - #define CALLBACK __stdcall - #define GLFW_CALLBACK_DEFINED -#endif /* CALLBACK */ - -/* Include the chosen OpenGL or OpenGL ES headers. - */ -#if defined(GLFW_INCLUDE_ES1) - - #include - #if defined(GLFW_INCLUDE_GLEXT) - #include - #endif - -#elif defined(GLFW_INCLUDE_ES2) - - #include - #if defined(GLFW_INCLUDE_GLEXT) - #include - #endif - -#elif defined(GLFW_INCLUDE_ES3) - - #include - #if defined(GLFW_INCLUDE_GLEXT) - #include - #endif - -#elif defined(GLFW_INCLUDE_ES31) - - #include - #if defined(GLFW_INCLUDE_GLEXT) - #include - #endif - -#elif defined(GLFW_INCLUDE_ES32) - - #include - #if defined(GLFW_INCLUDE_GLEXT) - #include - #endif - -#elif defined(GLFW_INCLUDE_GLCOREARB) - - #if defined(__APPLE__) - - #include - #if defined(GLFW_INCLUDE_GLEXT) - #include - #endif /*GLFW_INCLUDE_GLEXT*/ - - #else /*__APPLE__*/ - - #include - - #endif /*__APPLE__*/ - -#elif !defined(GLFW_INCLUDE_NONE) - - #if defined(__APPLE__) - - #if !defined(GLFW_INCLUDE_GLEXT) - #define GL_GLEXT_LEGACY - #endif - #include - #if defined(GLFW_INCLUDE_GLU) - #include - #endif - - #else /*__APPLE__*/ - - #include - #if defined(GLFW_INCLUDE_GLEXT) - #include - #endif - #if defined(GLFW_INCLUDE_GLU) - #include - #endif - - #endif /*__APPLE__*/ - -#endif /* OpenGL and OpenGL ES headers */ - -#if defined(GLFW_DLL) && defined(_GLFW_BUILD_DLL) - /* GLFW_DLL must be defined by applications that are linking against the DLL - * version of the GLFW library. _GLFW_BUILD_DLL is defined by the GLFW - * configuration header when compiling the DLL version of the library. - */ - #error "You must not have both GLFW_DLL and _GLFW_BUILD_DLL defined" -#endif - -/* GLFWAPI is used to declare public API functions for export - * from the DLL / shared library / dynamic library. - */ -#if defined(_WIN32) && defined(_GLFW_BUILD_DLL) - /* We are building GLFW as a Win32 DLL */ - #define GLFWAPI __declspec(dllexport) -#elif defined(_WIN32) && defined(GLFW_DLL) - /* We are calling GLFW as a Win32 DLL */ - #define GLFWAPI __declspec(dllimport) -#elif defined(__GNUC__) && defined(_GLFW_BUILD_DLL) - /* We are building GLFW as a shared / dynamic library */ - #define GLFWAPI __attribute__((visibility("default"))) -#else - /* We are building or calling GLFW as a static library */ - #define GLFWAPI -#endif - - -/************************************************************************* - * GLFW API tokens - *************************************************************************/ - -/*! @name GLFW version macros - * @{ */ -/*! @brief The major version number of the GLFW library. - * - * This is incremented when the API is changed in non-compatible ways. - * @ingroup init - */ -#define GLFW_VERSION_MAJOR 3 -/*! @brief The minor version number of the GLFW library. - * - * This is incremented when features are added to the API but it remains - * backward-compatible. - * @ingroup init - */ -#define GLFW_VERSION_MINOR 3 -/*! @brief The revision number of the GLFW library. - * - * This is incremented when a bug fix release is made that does not contain any - * API changes. - * @ingroup init - */ -#define GLFW_VERSION_REVISION 2 -/*! @} */ - -/*! @brief One. - * - * This is only semantic sugar for the number 1. You can instead use `1` or - * `true` or `_True` or `GL_TRUE` or `VK_TRUE` or anything else that is equal - * to one. - * - * @ingroup init - */ -#define GLFW_TRUE 1 -/*! @brief Zero. - * - * This is only semantic sugar for the number 0. You can instead use `0` or - * `false` or `_False` or `GL_FALSE` or `VK_FALSE` or anything else that is - * equal to zero. - * - * @ingroup init - */ -#define GLFW_FALSE 0 - -/*! @name Key and button actions - * @{ */ -/*! @brief The key or mouse button was released. - * - * The key or mouse button was released. - * - * @ingroup input - */ -#define GLFW_RELEASE 0 -/*! @brief The key or mouse button was pressed. - * - * The key or mouse button was pressed. - * - * @ingroup input - */ -#define GLFW_PRESS 1 -/*! @brief The key was held down until it repeated. - * - * The key was held down until it repeated. - * - * @ingroup input - */ -#define GLFW_REPEAT 2 -/*! @} */ - -/*! @defgroup hat_state Joystick hat states - * @brief Joystick hat states. - * - * See [joystick hat input](@ref joystick_hat) for how these are used. - * - * @ingroup input - * @{ */ -#define GLFW_HAT_CENTERED 0 -#define GLFW_HAT_UP 1 -#define GLFW_HAT_RIGHT 2 -#define GLFW_HAT_DOWN 4 -#define GLFW_HAT_LEFT 8 -#define GLFW_HAT_RIGHT_UP (GLFW_HAT_RIGHT | GLFW_HAT_UP) -#define GLFW_HAT_RIGHT_DOWN (GLFW_HAT_RIGHT | GLFW_HAT_DOWN) -#define GLFW_HAT_LEFT_UP (GLFW_HAT_LEFT | GLFW_HAT_UP) -#define GLFW_HAT_LEFT_DOWN (GLFW_HAT_LEFT | GLFW_HAT_DOWN) -/*! @} */ - -/*! @defgroup keys Keyboard keys - * @brief Keyboard key IDs. - * - * See [key input](@ref input_key) for how these are used. - * - * These key codes are inspired by the _USB HID Usage Tables v1.12_ (p. 53-60), - * but re-arranged to map to 7-bit ASCII for printable keys (function keys are - * put in the 256+ range). - * - * The naming of the key codes follow these rules: - * - The US keyboard layout is used - * - Names of printable alpha-numeric characters are used (e.g. "A", "R", - * "3", etc.) - * - For non-alphanumeric characters, Unicode:ish names are used (e.g. - * "COMMA", "LEFT_SQUARE_BRACKET", etc.). Note that some names do not - * correspond to the Unicode standard (usually for brevity) - * - Keys that lack a clear US mapping are named "WORLD_x" - * - For non-printable keys, custom names are used (e.g. "F4", - * "BACKSPACE", etc.) - * - * @ingroup input - * @{ - */ - -/* The unknown key */ -#define GLFW_KEY_UNKNOWN -1 - -/* Printable keys */ -#define GLFW_KEY_SPACE 32 -#define GLFW_KEY_APOSTROPHE 39 /* ' */ -#define GLFW_KEY_COMMA 44 /* , */ -#define GLFW_KEY_MINUS 45 /* - */ -#define GLFW_KEY_PERIOD 46 /* . */ -#define GLFW_KEY_SLASH 47 /* / */ -#define GLFW_KEY_0 48 -#define GLFW_KEY_1 49 -#define GLFW_KEY_2 50 -#define GLFW_KEY_3 51 -#define GLFW_KEY_4 52 -#define GLFW_KEY_5 53 -#define GLFW_KEY_6 54 -#define GLFW_KEY_7 55 -#define GLFW_KEY_8 56 -#define GLFW_KEY_9 57 -#define GLFW_KEY_SEMICOLON 59 /* ; */ -#define GLFW_KEY_EQUAL 61 /* = */ -#define GLFW_KEY_A 65 -#define GLFW_KEY_B 66 -#define GLFW_KEY_C 67 -#define GLFW_KEY_D 68 -#define GLFW_KEY_E 69 -#define GLFW_KEY_F 70 -#define GLFW_KEY_G 71 -#define GLFW_KEY_H 72 -#define GLFW_KEY_I 73 -#define GLFW_KEY_J 74 -#define GLFW_KEY_K 75 -#define GLFW_KEY_L 76 -#define GLFW_KEY_M 77 -#define GLFW_KEY_N 78 -#define GLFW_KEY_O 79 -#define GLFW_KEY_P 80 -#define GLFW_KEY_Q 81 -#define GLFW_KEY_R 82 -#define GLFW_KEY_S 83 -#define GLFW_KEY_T 84 -#define GLFW_KEY_U 85 -#define GLFW_KEY_V 86 -#define GLFW_KEY_W 87 -#define GLFW_KEY_X 88 -#define GLFW_KEY_Y 89 -#define GLFW_KEY_Z 90 -#define GLFW_KEY_LEFT_BRACKET 91 /* [ */ -#define GLFW_KEY_BACKSLASH 92 /* \ */ -#define GLFW_KEY_RIGHT_BRACKET 93 /* ] */ -#define GLFW_KEY_GRAVE_ACCENT 96 /* ` */ -#define GLFW_KEY_WORLD_1 161 /* non-US #1 */ -#define GLFW_KEY_WORLD_2 162 /* non-US #2 */ - -/* Function keys */ -#define GLFW_KEY_ESCAPE 256 -#define GLFW_KEY_ENTER 257 -#define GLFW_KEY_TAB 258 -#define GLFW_KEY_BACKSPACE 259 -#define GLFW_KEY_INSERT 260 -#define GLFW_KEY_DELETE 261 -#define GLFW_KEY_RIGHT 262 -#define GLFW_KEY_LEFT 263 -#define GLFW_KEY_DOWN 264 -#define GLFW_KEY_UP 265 -#define GLFW_KEY_PAGE_UP 266 -#define GLFW_KEY_PAGE_DOWN 267 -#define GLFW_KEY_HOME 268 -#define GLFW_KEY_END 269 -#define GLFW_KEY_CAPS_LOCK 280 -#define GLFW_KEY_SCROLL_LOCK 281 -#define GLFW_KEY_NUM_LOCK 282 -#define GLFW_KEY_PRINT_SCREEN 283 -#define GLFW_KEY_PAUSE 284 -#define GLFW_KEY_F1 290 -#define GLFW_KEY_F2 291 -#define GLFW_KEY_F3 292 -#define GLFW_KEY_F4 293 -#define GLFW_KEY_F5 294 -#define GLFW_KEY_F6 295 -#define GLFW_KEY_F7 296 -#define GLFW_KEY_F8 297 -#define GLFW_KEY_F9 298 -#define GLFW_KEY_F10 299 -#define GLFW_KEY_F11 300 -#define GLFW_KEY_F12 301 -#define GLFW_KEY_F13 302 -#define GLFW_KEY_F14 303 -#define GLFW_KEY_F15 304 -#define GLFW_KEY_F16 305 -#define GLFW_KEY_F17 306 -#define GLFW_KEY_F18 307 -#define GLFW_KEY_F19 308 -#define GLFW_KEY_F20 309 -#define GLFW_KEY_F21 310 -#define GLFW_KEY_F22 311 -#define GLFW_KEY_F23 312 -#define GLFW_KEY_F24 313 -#define GLFW_KEY_F25 314 -#define GLFW_KEY_KP_0 320 -#define GLFW_KEY_KP_1 321 -#define GLFW_KEY_KP_2 322 -#define GLFW_KEY_KP_3 323 -#define GLFW_KEY_KP_4 324 -#define GLFW_KEY_KP_5 325 -#define GLFW_KEY_KP_6 326 -#define GLFW_KEY_KP_7 327 -#define GLFW_KEY_KP_8 328 -#define GLFW_KEY_KP_9 329 -#define GLFW_KEY_KP_DECIMAL 330 -#define GLFW_KEY_KP_DIVIDE 331 -#define GLFW_KEY_KP_MULTIPLY 332 -#define GLFW_KEY_KP_SUBTRACT 333 -#define GLFW_KEY_KP_ADD 334 -#define GLFW_KEY_KP_ENTER 335 -#define GLFW_KEY_KP_EQUAL 336 -#define GLFW_KEY_LEFT_SHIFT 340 -#define GLFW_KEY_LEFT_CONTROL 341 -#define GLFW_KEY_LEFT_ALT 342 -#define GLFW_KEY_LEFT_SUPER 343 -#define GLFW_KEY_RIGHT_SHIFT 344 -#define GLFW_KEY_RIGHT_CONTROL 345 -#define GLFW_KEY_RIGHT_ALT 346 -#define GLFW_KEY_RIGHT_SUPER 347 -#define GLFW_KEY_MENU 348 - -#define GLFW_KEY_LAST GLFW_KEY_MENU - -/*! @} */ - -/*! @defgroup mods Modifier key flags - * @brief Modifier key flags. - * - * See [key input](@ref input_key) for how these are used. - * - * @ingroup input - * @{ */ - -/*! @brief If this bit is set one or more Shift keys were held down. - * - * If this bit is set one or more Shift keys were held down. - */ -#define GLFW_MOD_SHIFT 0x0001 -/*! @brief If this bit is set one or more Control keys were held down. - * - * If this bit is set one or more Control keys were held down. - */ -#define GLFW_MOD_CONTROL 0x0002 -/*! @brief If this bit is set one or more Alt keys were held down. - * - * If this bit is set one or more Alt keys were held down. - */ -#define GLFW_MOD_ALT 0x0004 -/*! @brief If this bit is set one or more Super keys were held down. - * - * If this bit is set one or more Super keys were held down. - */ -#define GLFW_MOD_SUPER 0x0008 -/*! @brief If this bit is set the Caps Lock key is enabled. - * - * If this bit is set the Caps Lock key is enabled and the @ref - * GLFW_LOCK_KEY_MODS input mode is set. - */ -#define GLFW_MOD_CAPS_LOCK 0x0010 -/*! @brief If this bit is set the Num Lock key is enabled. - * - * If this bit is set the Num Lock key is enabled and the @ref - * GLFW_LOCK_KEY_MODS input mode is set. - */ -#define GLFW_MOD_NUM_LOCK 0x0020 - -/*! @} */ - -/*! @defgroup buttons Mouse buttons - * @brief Mouse button IDs. - * - * See [mouse button input](@ref input_mouse_button) for how these are used. - * - * @ingroup input - * @{ */ -#define GLFW_MOUSE_BUTTON_1 0 -#define GLFW_MOUSE_BUTTON_2 1 -#define GLFW_MOUSE_BUTTON_3 2 -#define GLFW_MOUSE_BUTTON_4 3 -#define GLFW_MOUSE_BUTTON_5 4 -#define GLFW_MOUSE_BUTTON_6 5 -#define GLFW_MOUSE_BUTTON_7 6 -#define GLFW_MOUSE_BUTTON_8 7 -#define GLFW_MOUSE_BUTTON_LAST GLFW_MOUSE_BUTTON_8 -#define GLFW_MOUSE_BUTTON_LEFT GLFW_MOUSE_BUTTON_1 -#define GLFW_MOUSE_BUTTON_RIGHT GLFW_MOUSE_BUTTON_2 -#define GLFW_MOUSE_BUTTON_MIDDLE GLFW_MOUSE_BUTTON_3 -/*! @} */ - -/*! @defgroup joysticks Joysticks - * @brief Joystick IDs. - * - * See [joystick input](@ref joystick) for how these are used. - * - * @ingroup input - * @{ */ -#define GLFW_JOYSTICK_1 0 -#define GLFW_JOYSTICK_2 1 -#define GLFW_JOYSTICK_3 2 -#define GLFW_JOYSTICK_4 3 -#define GLFW_JOYSTICK_5 4 -#define GLFW_JOYSTICK_6 5 -#define GLFW_JOYSTICK_7 6 -#define GLFW_JOYSTICK_8 7 -#define GLFW_JOYSTICK_9 8 -#define GLFW_JOYSTICK_10 9 -#define GLFW_JOYSTICK_11 10 -#define GLFW_JOYSTICK_12 11 -#define GLFW_JOYSTICK_13 12 -#define GLFW_JOYSTICK_14 13 -#define GLFW_JOYSTICK_15 14 -#define GLFW_JOYSTICK_16 15 -#define GLFW_JOYSTICK_LAST GLFW_JOYSTICK_16 -/*! @} */ - -/*! @defgroup gamepad_buttons Gamepad buttons - * @brief Gamepad buttons. - * - * See @ref gamepad for how these are used. - * - * @ingroup input - * @{ */ -#define GLFW_GAMEPAD_BUTTON_A 0 -#define GLFW_GAMEPAD_BUTTON_B 1 -#define GLFW_GAMEPAD_BUTTON_X 2 -#define GLFW_GAMEPAD_BUTTON_Y 3 -#define GLFW_GAMEPAD_BUTTON_LEFT_BUMPER 4 -#define GLFW_GAMEPAD_BUTTON_RIGHT_BUMPER 5 -#define GLFW_GAMEPAD_BUTTON_BACK 6 -#define GLFW_GAMEPAD_BUTTON_START 7 -#define GLFW_GAMEPAD_BUTTON_GUIDE 8 -#define GLFW_GAMEPAD_BUTTON_LEFT_THUMB 9 -#define GLFW_GAMEPAD_BUTTON_RIGHT_THUMB 10 -#define GLFW_GAMEPAD_BUTTON_DPAD_UP 11 -#define GLFW_GAMEPAD_BUTTON_DPAD_RIGHT 12 -#define GLFW_GAMEPAD_BUTTON_DPAD_DOWN 13 -#define GLFW_GAMEPAD_BUTTON_DPAD_LEFT 14 -#define GLFW_GAMEPAD_BUTTON_LAST GLFW_GAMEPAD_BUTTON_DPAD_LEFT - -#define GLFW_GAMEPAD_BUTTON_CROSS GLFW_GAMEPAD_BUTTON_A -#define GLFW_GAMEPAD_BUTTON_CIRCLE GLFW_GAMEPAD_BUTTON_B -#define GLFW_GAMEPAD_BUTTON_SQUARE GLFW_GAMEPAD_BUTTON_X -#define GLFW_GAMEPAD_BUTTON_TRIANGLE GLFW_GAMEPAD_BUTTON_Y -/*! @} */ - -/*! @defgroup gamepad_axes Gamepad axes - * @brief Gamepad axes. - * - * See @ref gamepad for how these are used. - * - * @ingroup input - * @{ */ -#define GLFW_GAMEPAD_AXIS_LEFT_X 0 -#define GLFW_GAMEPAD_AXIS_LEFT_Y 1 -#define GLFW_GAMEPAD_AXIS_RIGHT_X 2 -#define GLFW_GAMEPAD_AXIS_RIGHT_Y 3 -#define GLFW_GAMEPAD_AXIS_LEFT_TRIGGER 4 -#define GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER 5 -#define GLFW_GAMEPAD_AXIS_LAST GLFW_GAMEPAD_AXIS_RIGHT_TRIGGER -/*! @} */ - -/*! @defgroup errors Error codes - * @brief Error codes. - * - * See [error handling](@ref error_handling) for how these are used. - * - * @ingroup init - * @{ */ -/*! @brief No error has occurred. - * - * No error has occurred. - * - * @analysis Yay. - */ -#define GLFW_NO_ERROR 0 -/*! @brief GLFW has not been initialized. - * - * This occurs if a GLFW function was called that must not be called unless the - * library is [initialized](@ref intro_init). - * - * @analysis Application programmer error. Initialize GLFW before calling any - * function that requires initialization. - */ -#define GLFW_NOT_INITIALIZED 0x00010001 -/*! @brief No context is current for this thread. - * - * This occurs if a GLFW function was called that needs and operates on the - * current OpenGL or OpenGL ES context but no context is current on the calling - * thread. One such function is @ref glfwSwapInterval. - * - * @analysis Application programmer error. Ensure a context is current before - * calling functions that require a current context. - */ -#define GLFW_NO_CURRENT_CONTEXT 0x00010002 -/*! @brief One of the arguments to the function was an invalid enum value. - * - * One of the arguments to the function was an invalid enum value, for example - * requesting @ref GLFW_RED_BITS with @ref glfwGetWindowAttrib. - * - * @analysis Application programmer error. Fix the offending call. - */ -#define GLFW_INVALID_ENUM 0x00010003 -/*! @brief One of the arguments to the function was an invalid value. - * - * One of the arguments to the function was an invalid value, for example - * requesting a non-existent OpenGL or OpenGL ES version like 2.7. - * - * Requesting a valid but unavailable OpenGL or OpenGL ES version will instead - * result in a @ref GLFW_VERSION_UNAVAILABLE error. - * - * @analysis Application programmer error. Fix the offending call. - */ -#define GLFW_INVALID_VALUE 0x00010004 -/*! @brief A memory allocation failed. - * - * A memory allocation failed. - * - * @analysis A bug in GLFW or the underlying operating system. Report the bug - * to our [issue tracker](https://github.com/glfw/glfw/issues). - */ -#define GLFW_OUT_OF_MEMORY 0x00010005 -/*! @brief GLFW could not find support for the requested API on the system. - * - * GLFW could not find support for the requested API on the system. - * - * @analysis The installed graphics driver does not support the requested - * API, or does not support it via the chosen context creation backend. - * Below are a few examples. - * - * @par - * Some pre-installed Windows graphics drivers do not support OpenGL. AMD only - * supports OpenGL ES via EGL, while Nvidia and Intel only support it via - * a WGL or GLX extension. macOS does not provide OpenGL ES at all. The Mesa - * EGL, OpenGL and OpenGL ES libraries do not interface with the Nvidia binary - * driver. Older graphics drivers do not support Vulkan. - */ -#define GLFW_API_UNAVAILABLE 0x00010006 -/*! @brief The requested OpenGL or OpenGL ES version is not available. - * - * The requested OpenGL or OpenGL ES version (including any requested context - * or framebuffer hints) is not available on this machine. - * - * @analysis The machine does not support your requirements. If your - * application is sufficiently flexible, downgrade your requirements and try - * again. Otherwise, inform the user that their machine does not match your - * requirements. - * - * @par - * Future invalid OpenGL and OpenGL ES versions, for example OpenGL 4.8 if 5.0 - * comes out before the 4.x series gets that far, also fail with this error and - * not @ref GLFW_INVALID_VALUE, because GLFW cannot know what future versions - * will exist. - */ -#define GLFW_VERSION_UNAVAILABLE 0x00010007 -/*! @brief A platform-specific error occurred that does not match any of the - * more specific categories. - * - * A platform-specific error occurred that does not match any of the more - * specific categories. - * - * @analysis A bug or configuration error in GLFW, the underlying operating - * system or its drivers, or a lack of required resources. Report the issue to - * our [issue tracker](https://github.com/glfw/glfw/issues). - */ -#define GLFW_PLATFORM_ERROR 0x00010008 -/*! @brief The requested format is not supported or available. - * - * If emitted during window creation, the requested pixel format is not - * supported. - * - * If emitted when querying the clipboard, the contents of the clipboard could - * not be converted to the requested format. - * - * @analysis If emitted during window creation, one or more - * [hard constraints](@ref window_hints_hard) did not match any of the - * available pixel formats. If your application is sufficiently flexible, - * downgrade your requirements and try again. Otherwise, inform the user that - * their machine does not match your requirements. - * - * @par - * If emitted when querying the clipboard, ignore the error or report it to - * the user, as appropriate. - */ -#define GLFW_FORMAT_UNAVAILABLE 0x00010009 -/*! @brief The specified window does not have an OpenGL or OpenGL ES context. - * - * A window that does not have an OpenGL or OpenGL ES context was passed to - * a function that requires it to have one. - * - * @analysis Application programmer error. Fix the offending call. - */ -#define GLFW_NO_WINDOW_CONTEXT 0x0001000A -/*! @} */ - -/*! @addtogroup window - * @{ */ -/*! @brief Input focus window hint and attribute - * - * Input focus [window hint](@ref GLFW_FOCUSED_hint) or - * [window attribute](@ref GLFW_FOCUSED_attrib). - */ -#define GLFW_FOCUSED 0x00020001 -/*! @brief Window iconification window attribute - * - * Window iconification [window attribute](@ref GLFW_ICONIFIED_attrib). - */ -#define GLFW_ICONIFIED 0x00020002 -/*! @brief Window resize-ability window hint and attribute - * - * Window resize-ability [window hint](@ref GLFW_RESIZABLE_hint) and - * [window attribute](@ref GLFW_RESIZABLE_attrib). - */ -#define GLFW_RESIZABLE 0x00020003 -/*! @brief Window visibility window hint and attribute - * - * Window visibility [window hint](@ref GLFW_VISIBLE_hint) and - * [window attribute](@ref GLFW_VISIBLE_attrib). - */ -#define GLFW_VISIBLE 0x00020004 -/*! @brief Window decoration window hint and attribute - * - * Window decoration [window hint](@ref GLFW_DECORATED_hint) and - * [window attribute](@ref GLFW_DECORATED_attrib). - */ -#define GLFW_DECORATED 0x00020005 -/*! @brief Window auto-iconification window hint and attribute - * - * Window auto-iconification [window hint](@ref GLFW_AUTO_ICONIFY_hint) and - * [window attribute](@ref GLFW_AUTO_ICONIFY_attrib). - */ -#define GLFW_AUTO_ICONIFY 0x00020006 -/*! @brief Window decoration window hint and attribute - * - * Window decoration [window hint](@ref GLFW_FLOATING_hint) and - * [window attribute](@ref GLFW_FLOATING_attrib). - */ -#define GLFW_FLOATING 0x00020007 -/*! @brief Window maximization window hint and attribute - * - * Window maximization [window hint](@ref GLFW_MAXIMIZED_hint) and - * [window attribute](@ref GLFW_MAXIMIZED_attrib). - */ -#define GLFW_MAXIMIZED 0x00020008 -/*! @brief Cursor centering window hint - * - * Cursor centering [window hint](@ref GLFW_CENTER_CURSOR_hint). - */ -#define GLFW_CENTER_CURSOR 0x00020009 -/*! @brief Window framebuffer transparency hint and attribute - * - * Window framebuffer transparency - * [window hint](@ref GLFW_TRANSPARENT_FRAMEBUFFER_hint) and - * [window attribute](@ref GLFW_TRANSPARENT_FRAMEBUFFER_attrib). - */ -#define GLFW_TRANSPARENT_FRAMEBUFFER 0x0002000A -/*! @brief Mouse cursor hover window attribute. - * - * Mouse cursor hover [window attribute](@ref GLFW_HOVERED_attrib). - */ -#define GLFW_HOVERED 0x0002000B -/*! @brief Input focus on calling show window hint and attribute - * - * Input focus [window hint](@ref GLFW_FOCUS_ON_SHOW_hint) or - * [window attribute](@ref GLFW_FOCUS_ON_SHOW_attrib). - */ -#define GLFW_FOCUS_ON_SHOW 0x0002000C - -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_RED_BITS). - */ -#define GLFW_RED_BITS 0x00021001 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_GREEN_BITS). - */ -#define GLFW_GREEN_BITS 0x00021002 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_BLUE_BITS). - */ -#define GLFW_BLUE_BITS 0x00021003 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_ALPHA_BITS). - */ -#define GLFW_ALPHA_BITS 0x00021004 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_DEPTH_BITS). - */ -#define GLFW_DEPTH_BITS 0x00021005 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_STENCIL_BITS). - */ -#define GLFW_STENCIL_BITS 0x00021006 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_ACCUM_RED_BITS). - */ -#define GLFW_ACCUM_RED_BITS 0x00021007 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_ACCUM_GREEN_BITS). - */ -#define GLFW_ACCUM_GREEN_BITS 0x00021008 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_ACCUM_BLUE_BITS). - */ -#define GLFW_ACCUM_BLUE_BITS 0x00021009 -/*! @brief Framebuffer bit depth hint. - * - * Framebuffer bit depth [hint](@ref GLFW_ACCUM_ALPHA_BITS). - */ -#define GLFW_ACCUM_ALPHA_BITS 0x0002100A -/*! @brief Framebuffer auxiliary buffer hint. - * - * Framebuffer auxiliary buffer [hint](@ref GLFW_AUX_BUFFERS). - */ -#define GLFW_AUX_BUFFERS 0x0002100B -/*! @brief OpenGL stereoscopic rendering hint. - * - * OpenGL stereoscopic rendering [hint](@ref GLFW_STEREO). - */ -#define GLFW_STEREO 0x0002100C -/*! @brief Framebuffer MSAA samples hint. - * - * Framebuffer MSAA samples [hint](@ref GLFW_SAMPLES). - */ -#define GLFW_SAMPLES 0x0002100D -/*! @brief Framebuffer sRGB hint. - * - * Framebuffer sRGB [hint](@ref GLFW_SRGB_CAPABLE). - */ -#define GLFW_SRGB_CAPABLE 0x0002100E -/*! @brief Monitor refresh rate hint. - * - * Monitor refresh rate [hint](@ref GLFW_REFRESH_RATE). - */ -#define GLFW_REFRESH_RATE 0x0002100F -/*! @brief Framebuffer double buffering hint. - * - * Framebuffer double buffering [hint](@ref GLFW_DOUBLEBUFFER). - */ -#define GLFW_DOUBLEBUFFER 0x00021010 - -/*! @brief Context client API hint and attribute. - * - * Context client API [hint](@ref GLFW_CLIENT_API_hint) and - * [attribute](@ref GLFW_CLIENT_API_attrib). - */ -#define GLFW_CLIENT_API 0x00022001 -/*! @brief Context client API major version hint and attribute. - * - * Context client API major version [hint](@ref GLFW_CONTEXT_VERSION_MAJOR_hint) - * and [attribute](@ref GLFW_CONTEXT_VERSION_MAJOR_attrib). - */ -#define GLFW_CONTEXT_VERSION_MAJOR 0x00022002 -/*! @brief Context client API minor version hint and attribute. - * - * Context client API minor version [hint](@ref GLFW_CONTEXT_VERSION_MINOR_hint) - * and [attribute](@ref GLFW_CONTEXT_VERSION_MINOR_attrib). - */ -#define GLFW_CONTEXT_VERSION_MINOR 0x00022003 -/*! @brief Context client API revision number hint and attribute. - * - * Context client API revision number - * [attribute](@ref GLFW_CONTEXT_REVISION_attrib). - */ -#define GLFW_CONTEXT_REVISION 0x00022004 -/*! @brief Context robustness hint and attribute. - * - * Context client API revision number [hint](@ref GLFW_CONTEXT_ROBUSTNESS_hint) - * and [attribute](@ref GLFW_CONTEXT_ROBUSTNESS_attrib). - */ -#define GLFW_CONTEXT_ROBUSTNESS 0x00022005 -/*! @brief OpenGL forward-compatibility hint and attribute. - * - * OpenGL forward-compatibility [hint](@ref GLFW_OPENGL_FORWARD_COMPAT_hint) - * and [attribute](@ref GLFW_OPENGL_FORWARD_COMPAT_attrib). - */ -#define GLFW_OPENGL_FORWARD_COMPAT 0x00022006 -/*! @brief OpenGL debug context hint and attribute. - * - * OpenGL debug context [hint](@ref GLFW_OPENGL_DEBUG_CONTEXT_hint) and - * [attribute](@ref GLFW_OPENGL_DEBUG_CONTEXT_attrib). - */ -#define GLFW_OPENGL_DEBUG_CONTEXT 0x00022007 -/*! @brief OpenGL profile hint and attribute. - * - * OpenGL profile [hint](@ref GLFW_OPENGL_PROFILE_hint) and - * [attribute](@ref GLFW_OPENGL_PROFILE_attrib). - */ -#define GLFW_OPENGL_PROFILE 0x00022008 -/*! @brief Context flush-on-release hint and attribute. - * - * Context flush-on-release [hint](@ref GLFW_CONTEXT_RELEASE_BEHAVIOR_hint) and - * [attribute](@ref GLFW_CONTEXT_RELEASE_BEHAVIOR_attrib). - */ -#define GLFW_CONTEXT_RELEASE_BEHAVIOR 0x00022009 -/*! @brief Context error suppression hint and attribute. - * - * Context error suppression [hint](@ref GLFW_CONTEXT_NO_ERROR_hint) and - * [attribute](@ref GLFW_CONTEXT_NO_ERROR_attrib). - */ -#define GLFW_CONTEXT_NO_ERROR 0x0002200A -/*! @brief Context creation API hint and attribute. - * - * Context creation API [hint](@ref GLFW_CONTEXT_CREATION_API_hint) and - * [attribute](@ref GLFW_CONTEXT_CREATION_API_attrib). - */ -#define GLFW_CONTEXT_CREATION_API 0x0002200B -/*! @brief Window content area scaling window - * [window hint](@ref GLFW_SCALE_TO_MONITOR). - */ -#define GLFW_SCALE_TO_MONITOR 0x0002200C -/*! @brief macOS specific - * [window hint](@ref GLFW_COCOA_RETINA_FRAMEBUFFER_hint). - */ -#define GLFW_COCOA_RETINA_FRAMEBUFFER 0x00023001 -/*! @brief macOS specific - * [window hint](@ref GLFW_COCOA_FRAME_NAME_hint). - */ -#define GLFW_COCOA_FRAME_NAME 0x00023002 -/*! @brief macOS specific - * [window hint](@ref GLFW_COCOA_GRAPHICS_SWITCHING_hint). - */ -#define GLFW_COCOA_GRAPHICS_SWITCHING 0x00023003 -/*! @brief X11 specific - * [window hint](@ref GLFW_X11_CLASS_NAME_hint). - */ -#define GLFW_X11_CLASS_NAME 0x00024001 -/*! @brief X11 specific - * [window hint](@ref GLFW_X11_CLASS_NAME_hint). - */ -#define GLFW_X11_INSTANCE_NAME 0x00024002 -/*! @} */ - -#define GLFW_NO_API 0 -#define GLFW_OPENGL_API 0x00030001 -#define GLFW_OPENGL_ES_API 0x00030002 - -#define GLFW_NO_ROBUSTNESS 0 -#define GLFW_NO_RESET_NOTIFICATION 0x00031001 -#define GLFW_LOSE_CONTEXT_ON_RESET 0x00031002 - -#define GLFW_OPENGL_ANY_PROFILE 0 -#define GLFW_OPENGL_CORE_PROFILE 0x00032001 -#define GLFW_OPENGL_COMPAT_PROFILE 0x00032002 - -#define GLFW_CURSOR 0x00033001 -#define GLFW_STICKY_KEYS 0x00033002 -#define GLFW_STICKY_MOUSE_BUTTONS 0x00033003 -#define GLFW_LOCK_KEY_MODS 0x00033004 -#define GLFW_RAW_MOUSE_MOTION 0x00033005 - -#define GLFW_CURSOR_NORMAL 0x00034001 -#define GLFW_CURSOR_HIDDEN 0x00034002 -#define GLFW_CURSOR_DISABLED 0x00034003 - -#define GLFW_ANY_RELEASE_BEHAVIOR 0 -#define GLFW_RELEASE_BEHAVIOR_FLUSH 0x00035001 -#define GLFW_RELEASE_BEHAVIOR_NONE 0x00035002 - -#define GLFW_NATIVE_CONTEXT_API 0x00036001 -#define GLFW_EGL_CONTEXT_API 0x00036002 -#define GLFW_OSMESA_CONTEXT_API 0x00036003 - -/*! @defgroup shapes Standard cursor shapes - * @brief Standard system cursor shapes. - * - * See [standard cursor creation](@ref cursor_standard) for how these are used. - * - * @ingroup input - * @{ */ - -/*! @brief The regular arrow cursor shape. - * - * The regular arrow cursor. - */ -#define GLFW_ARROW_CURSOR 0x00036001 -/*! @brief The text input I-beam cursor shape. - * - * The text input I-beam cursor shape. - */ -#define GLFW_IBEAM_CURSOR 0x00036002 -/*! @brief The crosshair shape. - * - * The crosshair shape. - */ -#define GLFW_CROSSHAIR_CURSOR 0x00036003 -/*! @brief The hand shape. - * - * The hand shape. - */ -#define GLFW_HAND_CURSOR 0x00036004 -/*! @brief The horizontal resize arrow shape. - * - * The horizontal resize arrow shape. - */ -#define GLFW_HRESIZE_CURSOR 0x00036005 -/*! @brief The vertical resize arrow shape. - * - * The vertical resize arrow shape. - */ -#define GLFW_VRESIZE_CURSOR 0x00036006 -/*! @} */ - -#define GLFW_CONNECTED 0x00040001 -#define GLFW_DISCONNECTED 0x00040002 - -/*! @addtogroup init - * @{ */ -/*! @brief Joystick hat buttons init hint. - * - * Joystick hat buttons [init hint](@ref GLFW_JOYSTICK_HAT_BUTTONS). - */ -#define GLFW_JOYSTICK_HAT_BUTTONS 0x00050001 -/*! @brief macOS specific init hint. - * - * macOS specific [init hint](@ref GLFW_COCOA_CHDIR_RESOURCES_hint). - */ -#define GLFW_COCOA_CHDIR_RESOURCES 0x00051001 -/*! @brief macOS specific init hint. - * - * macOS specific [init hint](@ref GLFW_COCOA_MENUBAR_hint). - */ -#define GLFW_COCOA_MENUBAR 0x00051002 -/*! @} */ - -#define GLFW_DONT_CARE -1 - - -/************************************************************************* - * GLFW API types - *************************************************************************/ - -/*! @brief Client API function pointer type. - * - * Generic function pointer used for returning client API function pointers - * without forcing a cast from a regular pointer. - * - * @sa @ref context_glext - * @sa @ref glfwGetProcAddress - * - * @since Added in version 3.0. - * - * @ingroup context - */ -typedef void (*GLFWglproc)(void); - -/*! @brief Vulkan API function pointer type. - * - * Generic function pointer used for returning Vulkan API function pointers - * without forcing a cast from a regular pointer. - * - * @sa @ref vulkan_proc - * @sa @ref glfwGetInstanceProcAddress - * - * @since Added in version 3.2. - * - * @ingroup vulkan - */ -typedef void (*GLFWvkproc)(void); - -/*! @brief Opaque monitor object. - * - * Opaque monitor object. - * - * @see @ref monitor_object - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -typedef struct GLFWmonitor GLFWmonitor; - -/*! @brief Opaque window object. - * - * Opaque window object. - * - * @see @ref window_object - * - * @since Added in version 3.0. - * - * @ingroup window - */ -typedef struct GLFWwindow GLFWwindow; - -/*! @brief Opaque cursor object. - * - * Opaque cursor object. - * - * @see @ref cursor_object - * - * @since Added in version 3.1. - * - * @ingroup input - */ -typedef struct GLFWcursor GLFWcursor; - -/*! @brief The function pointer type for error callbacks. - * - * This is the function pointer type for error callbacks. An error callback - * function has the following signature: - * @code - * void callback_name(int error_code, const char* description) - * @endcode - * - * @param[in] error_code An [error code](@ref errors). Future releases may add - * more error codes. - * @param[in] description A UTF-8 encoded string describing the error. - * - * @pointer_lifetime The error description string is valid until the callback - * function returns. - * - * @sa @ref error_handling - * @sa @ref glfwSetErrorCallback - * - * @since Added in version 3.0. - * - * @ingroup init - */ -typedef void (* GLFWerrorfun)(int,const char*); - -/*! @brief The function pointer type for window position callbacks. - * - * This is the function pointer type for window position callbacks. A window - * position callback function has the following signature: - * @code - * void callback_name(GLFWwindow* window, int xpos, int ypos) - * @endcode - * - * @param[in] window The window that was moved. - * @param[in] xpos The new x-coordinate, in screen coordinates, of the - * upper-left corner of the content area of the window. - * @param[in] ypos The new y-coordinate, in screen coordinates, of the - * upper-left corner of the content area of the window. - * - * @sa @ref window_pos - * @sa @ref glfwSetWindowPosCallback - * - * @since Added in version 3.0. - * - * @ingroup window - */ -typedef void (* GLFWwindowposfun)(GLFWwindow*,int,int); - -/*! @brief The function pointer type for window size callbacks. - * - * This is the function pointer type for window size callbacks. A window size - * callback function has the following signature: - * @code - * void callback_name(GLFWwindow* window, int width, int height) - * @endcode - * - * @param[in] window The window that was resized. - * @param[in] width The new width, in screen coordinates, of the window. - * @param[in] height The new height, in screen coordinates, of the window. - * - * @sa @ref window_size - * @sa @ref glfwSetWindowSizeCallback - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -typedef void (* GLFWwindowsizefun)(GLFWwindow*,int,int); - -/*! @brief The function pointer type for window close callbacks. - * - * This is the function pointer type for window close callbacks. A window - * close callback function has the following signature: - * @code - * void function_name(GLFWwindow* window) - * @endcode - * - * @param[in] window The window that the user attempted to close. - * - * @sa @ref window_close - * @sa @ref glfwSetWindowCloseCallback - * - * @since Added in version 2.5. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -typedef void (* GLFWwindowclosefun)(GLFWwindow*); - -/*! @brief The function pointer type for window content refresh callbacks. - * - * This is the function pointer type for window content refresh callbacks. - * A window content refresh callback function has the following signature: - * @code - * void function_name(GLFWwindow* window); - * @endcode - * - * @param[in] window The window whose content needs to be refreshed. - * - * @sa @ref window_refresh - * @sa @ref glfwSetWindowRefreshCallback - * - * @since Added in version 2.5. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -typedef void (* GLFWwindowrefreshfun)(GLFWwindow*); - -/*! @brief The function pointer type for window focus callbacks. - * - * This is the function pointer type for window focus callbacks. A window - * focus callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int focused) - * @endcode - * - * @param[in] window The window that gained or lost input focus. - * @param[in] focused `GLFW_TRUE` if the window was given input focus, or - * `GLFW_FALSE` if it lost it. - * - * @sa @ref window_focus - * @sa @ref glfwSetWindowFocusCallback - * - * @since Added in version 3.0. - * - * @ingroup window - */ -typedef void (* GLFWwindowfocusfun)(GLFWwindow*,int); - -/*! @brief The function pointer type for window iconify callbacks. - * - * This is the function pointer type for window iconify callbacks. A window - * iconify callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int iconified) - * @endcode - * - * @param[in] window The window that was iconified or restored. - * @param[in] iconified `GLFW_TRUE` if the window was iconified, or - * `GLFW_FALSE` if it was restored. - * - * @sa @ref window_iconify - * @sa @ref glfwSetWindowIconifyCallback - * - * @since Added in version 3.0. - * - * @ingroup window - */ -typedef void (* GLFWwindowiconifyfun)(GLFWwindow*,int); - -/*! @brief The function pointer type for window maximize callbacks. - * - * This is the function pointer type for window maximize callbacks. A window - * maximize callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int maximized) - * @endcode - * - * @param[in] window The window that was maximized or restored. - * @param[in] iconified `GLFW_TRUE` if the window was maximized, or - * `GLFW_FALSE` if it was restored. - * - * @sa @ref window_maximize - * @sa glfwSetWindowMaximizeCallback - * - * @since Added in version 3.3. - * - * @ingroup window - */ -typedef void (* GLFWwindowmaximizefun)(GLFWwindow*,int); - -/*! @brief The function pointer type for framebuffer size callbacks. - * - * This is the function pointer type for framebuffer size callbacks. - * A framebuffer size callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int width, int height) - * @endcode - * - * @param[in] window The window whose framebuffer was resized. - * @param[in] width The new width, in pixels, of the framebuffer. - * @param[in] height The new height, in pixels, of the framebuffer. - * - * @sa @ref window_fbsize - * @sa @ref glfwSetFramebufferSizeCallback - * - * @since Added in version 3.0. - * - * @ingroup window - */ -typedef void (* GLFWframebuffersizefun)(GLFWwindow*,int,int); - -/*! @brief The function pointer type for window content scale callbacks. - * - * This is the function pointer type for window content scale callbacks. - * A window content scale callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, float xscale, float yscale) - * @endcode - * - * @param[in] window The window whose content scale changed. - * @param[in] xscale The new x-axis content scale of the window. - * @param[in] yscale The new y-axis content scale of the window. - * - * @sa @ref window_scale - * @sa @ref glfwSetWindowContentScaleCallback - * - * @since Added in version 3.3. - * - * @ingroup window - */ -typedef void (* GLFWwindowcontentscalefun)(GLFWwindow*,float,float); - -/*! @brief The function pointer type for mouse button callbacks. - * - * This is the function pointer type for mouse button callback functions. - * A mouse button callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int button, int action, int mods) - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] button The [mouse button](@ref buttons) that was pressed or - * released. - * @param[in] action One of `GLFW_PRESS` or `GLFW_RELEASE`. Future releases - * may add more actions. - * @param[in] mods Bit field describing which [modifier keys](@ref mods) were - * held down. - * - * @sa @ref input_mouse_button - * @sa @ref glfwSetMouseButtonCallback - * - * @since Added in version 1.0. - * @glfw3 Added window handle and modifier mask parameters. - * - * @ingroup input - */ -typedef void (* GLFWmousebuttonfun)(GLFWwindow*,int,int,int); - -/*! @brief The function pointer type for cursor position callbacks. - * - * This is the function pointer type for cursor position callbacks. A cursor - * position callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, double xpos, double ypos); - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] xpos The new cursor x-coordinate, relative to the left edge of - * the content area. - * @param[in] ypos The new cursor y-coordinate, relative to the top edge of the - * content area. - * - * @sa @ref cursor_pos - * @sa @ref glfwSetCursorPosCallback - * - * @since Added in version 3.0. Replaces `GLFWmouseposfun`. - * - * @ingroup input - */ -typedef void (* GLFWcursorposfun)(GLFWwindow*,double,double); - -/*! @brief The function pointer type for cursor enter/leave callbacks. - * - * This is the function pointer type for cursor enter/leave callbacks. - * A cursor enter/leave callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int entered) - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] entered `GLFW_TRUE` if the cursor entered the window's content - * area, or `GLFW_FALSE` if it left it. - * - * @sa @ref cursor_enter - * @sa @ref glfwSetCursorEnterCallback - * - * @since Added in version 3.0. - * - * @ingroup input - */ -typedef void (* GLFWcursorenterfun)(GLFWwindow*,int); - -/*! @brief The function pointer type for scroll callbacks. - * - * This is the function pointer type for scroll callbacks. A scroll callback - * function has the following signature: - * @code - * void function_name(GLFWwindow* window, double xoffset, double yoffset) - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] xoffset The scroll offset along the x-axis. - * @param[in] yoffset The scroll offset along the y-axis. - * - * @sa @ref scrolling - * @sa @ref glfwSetScrollCallback - * - * @since Added in version 3.0. Replaces `GLFWmousewheelfun`. - * - * @ingroup input - */ -typedef void (* GLFWscrollfun)(GLFWwindow*,double,double); - -/*! @brief The function pointer type for keyboard key callbacks. - * - * This is the function pointer type for keyboard key callbacks. A keyboard - * key callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int key, int scancode, int action, int mods) - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] key The [keyboard key](@ref keys) that was pressed or released. - * @param[in] scancode The system-specific scancode of the key. - * @param[in] action `GLFW_PRESS`, `GLFW_RELEASE` or `GLFW_REPEAT`. Future - * releases may add more actions. - * @param[in] mods Bit field describing which [modifier keys](@ref mods) were - * held down. - * - * @sa @ref input_key - * @sa @ref glfwSetKeyCallback - * - * @since Added in version 1.0. - * @glfw3 Added window handle, scancode and modifier mask parameters. - * - * @ingroup input - */ -typedef void (* GLFWkeyfun)(GLFWwindow*,int,int,int,int); - -/*! @brief The function pointer type for Unicode character callbacks. - * - * This is the function pointer type for Unicode character callbacks. - * A Unicode character callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, unsigned int codepoint) - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] codepoint The Unicode code point of the character. - * - * @sa @ref input_char - * @sa @ref glfwSetCharCallback - * - * @since Added in version 2.4. - * @glfw3 Added window handle parameter. - * - * @ingroup input - */ -typedef void (* GLFWcharfun)(GLFWwindow*,unsigned int); - -/*! @brief The function pointer type for Unicode character with modifiers - * callbacks. - * - * This is the function pointer type for Unicode character with modifiers - * callbacks. It is called for each input character, regardless of what - * modifier keys are held down. A Unicode character with modifiers callback - * function has the following signature: - * @code - * void function_name(GLFWwindow* window, unsigned int codepoint, int mods) - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] codepoint The Unicode code point of the character. - * @param[in] mods Bit field describing which [modifier keys](@ref mods) were - * held down. - * - * @sa @ref input_char - * @sa @ref glfwSetCharModsCallback - * - * @deprecated Scheduled for removal in version 4.0. - * - * @since Added in version 3.1. - * - * @ingroup input - */ -typedef void (* GLFWcharmodsfun)(GLFWwindow*,unsigned int,int); - -/*! @brief The function pointer type for path drop callbacks. - * - * This is the function pointer type for path drop callbacks. A path drop - * callback function has the following signature: - * @code - * void function_name(GLFWwindow* window, int path_count, const char* paths[]) - * @endcode - * - * @param[in] window The window that received the event. - * @param[in] path_count The number of dropped paths. - * @param[in] paths The UTF-8 encoded file and/or directory path names. - * - * @pointer_lifetime The path array and its strings are valid until the - * callback function returns. - * - * @sa @ref path_drop - * @sa @ref glfwSetDropCallback - * - * @since Added in version 3.1. - * - * @ingroup input - */ -typedef void (* GLFWdropfun)(GLFWwindow*,int,const char*[]); - -/*! @brief The function pointer type for monitor configuration callbacks. - * - * This is the function pointer type for monitor configuration callbacks. - * A monitor callback function has the following signature: - * @code - * void function_name(GLFWmonitor* monitor, int event) - * @endcode - * - * @param[in] monitor The monitor that was connected or disconnected. - * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. Future - * releases may add more events. - * - * @sa @ref monitor_event - * @sa @ref glfwSetMonitorCallback - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -typedef void (* GLFWmonitorfun)(GLFWmonitor*,int); - -/*! @brief The function pointer type for joystick configuration callbacks. - * - * This is the function pointer type for joystick configuration callbacks. - * A joystick configuration callback function has the following signature: - * @code - * void function_name(int jid, int event) - * @endcode - * - * @param[in] jid The joystick that was connected or disconnected. - * @param[in] event One of `GLFW_CONNECTED` or `GLFW_DISCONNECTED`. Future - * releases may add more events. - * - * @sa @ref joystick_event - * @sa @ref glfwSetJoystickCallback - * - * @since Added in version 3.2. - * - * @ingroup input - */ -typedef void (* GLFWjoystickfun)(int,int); - -/*! @brief Video mode type. - * - * This describes a single video mode. - * - * @sa @ref monitor_modes - * @sa @ref glfwGetVideoMode - * @sa @ref glfwGetVideoModes - * - * @since Added in version 1.0. - * @glfw3 Added refresh rate member. - * - * @ingroup monitor - */ -typedef struct GLFWvidmode -{ - /*! The width, in screen coordinates, of the video mode. - */ - int width; - /*! The height, in screen coordinates, of the video mode. - */ - int height; - /*! The bit depth of the red channel of the video mode. - */ - int redBits; - /*! The bit depth of the green channel of the video mode. - */ - int greenBits; - /*! The bit depth of the blue channel of the video mode. - */ - int blueBits; - /*! The refresh rate, in Hz, of the video mode. - */ - int refreshRate; -} GLFWvidmode; - -/*! @brief Gamma ramp. - * - * This describes the gamma ramp for a monitor. - * - * @sa @ref monitor_gamma - * @sa @ref glfwGetGammaRamp - * @sa @ref glfwSetGammaRamp - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -typedef struct GLFWgammaramp -{ - /*! An array of value describing the response of the red channel. - */ - unsigned short* red; - /*! An array of value describing the response of the green channel. - */ - unsigned short* green; - /*! An array of value describing the response of the blue channel. - */ - unsigned short* blue; - /*! The number of elements in each array. - */ - unsigned int size; -} GLFWgammaramp; - -/*! @brief Image data. - * - * This describes a single 2D image. See the documentation for each related - * function what the expected pixel format is. - * - * @sa @ref cursor_custom - * @sa @ref window_icon - * - * @since Added in version 2.1. - * @glfw3 Removed format and bytes-per-pixel members. - * - * @ingroup window - */ -typedef struct GLFWimage -{ - /*! The width, in pixels, of this image. - */ - int width; - /*! The height, in pixels, of this image. - */ - int height; - /*! The pixel data of this image, arranged left-to-right, top-to-bottom. - */ - unsigned char* pixels; -} GLFWimage; - -/*! @brief Gamepad input state - * - * This describes the input state of a gamepad. - * - * @sa @ref gamepad - * @sa @ref glfwGetGamepadState - * - * @since Added in version 3.3. - * - * @ingroup input - */ -typedef struct GLFWgamepadstate -{ - /*! The states of each [gamepad button](@ref gamepad_buttons), `GLFW_PRESS` - * or `GLFW_RELEASE`. - */ - unsigned char buttons[15]; - /*! The states of each [gamepad axis](@ref gamepad_axes), in the range -1.0 - * to 1.0 inclusive. - */ - float axes[6]; -} GLFWgamepadstate; - - -/************************************************************************* - * GLFW API functions - *************************************************************************/ - -/*! @brief Initializes the GLFW library. - * - * This function initializes the GLFW library. Before most GLFW functions can - * be used, GLFW must be initialized, and before an application terminates GLFW - * should be terminated in order to free any resources allocated during or - * after initialization. - * - * If this function fails, it calls @ref glfwTerminate before returning. If it - * succeeds, you should call @ref glfwTerminate before the application exits. - * - * Additional calls to this function after successful initialization but before - * termination will return `GLFW_TRUE` immediately. - * - * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. - * - * @remark @macos This function will change the current directory of the - * application to the `Contents/Resources` subdirectory of the application's - * bundle, if present. This can be disabled with the @ref - * GLFW_COCOA_CHDIR_RESOURCES init hint. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref intro_init - * @sa @ref glfwTerminate - * - * @since Added in version 1.0. - * - * @ingroup init - */ -GLFWAPI int glfwInit(void); - -/*! @brief Terminates the GLFW library. - * - * This function destroys all remaining windows and cursors, restores any - * modified gamma ramps and frees any other allocated resources. Once this - * function is called, you must again call @ref glfwInit successfully before - * you will be able to use most GLFW functions. - * - * If GLFW has been successfully initialized, this function should be called - * before the application exits. If initialization fails, there is no need to - * call this function, as it is called by @ref glfwInit before it returns - * failure. - * - * @errors Possible errors include @ref GLFW_PLATFORM_ERROR. - * - * @remark This function may be called before @ref glfwInit. - * - * @warning The contexts of any remaining windows must not be current on any - * other thread when this function is called. - * - * @reentrancy This function must not be called from a callback. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref intro_init - * @sa @ref glfwInit - * - * @since Added in version 1.0. - * - * @ingroup init - */ -GLFWAPI void glfwTerminate(void); - -/*! @brief Sets the specified init hint to the desired value. - * - * This function sets hints for the next initialization of GLFW. - * - * The values you set hints to are never reset by GLFW, but they only take - * effect during initialization. Once GLFW has been initialized, any values - * you set will be ignored until the library is terminated and initialized - * again. - * - * Some hints are platform specific. These may be set on any platform but they - * will only affect their specific platform. Other platforms will ignore them. - * Setting these hints requires no platform specific headers or functions. - * - * @param[in] hint The [init hint](@ref init_hints) to set. - * @param[in] value The new value of the init hint. - * - * @errors Possible errors include @ref GLFW_INVALID_ENUM and @ref - * GLFW_INVALID_VALUE. - * - * @remarks This function may be called before @ref glfwInit. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa init_hints - * @sa glfwInit - * - * @since Added in version 3.3. - * - * @ingroup init - */ -GLFWAPI void glfwInitHint(int hint, int value); - -/*! @brief Retrieves the version of the GLFW library. - * - * This function retrieves the major, minor and revision numbers of the GLFW - * library. It is intended for when you are using GLFW as a shared library and - * want to ensure that you are using the minimum required version. - * - * Any or all of the version arguments may be `NULL`. - * - * @param[out] major Where to store the major version number, or `NULL`. - * @param[out] minor Where to store the minor version number, or `NULL`. - * @param[out] rev Where to store the revision number, or `NULL`. - * - * @errors None. - * - * @remark This function may be called before @ref glfwInit. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref intro_version - * @sa @ref glfwGetVersionString - * - * @since Added in version 1.0. - * - * @ingroup init - */ -GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev); - -/*! @brief Returns a string describing the compile-time configuration. - * - * This function returns the compile-time generated - * [version string](@ref intro_version_string) of the GLFW library binary. It - * describes the version, platform, compiler and any platform-specific - * compile-time options. It should not be confused with the OpenGL or OpenGL - * ES version string, queried with `glGetString`. - * - * __Do not use the version string__ to parse the GLFW library version. The - * @ref glfwGetVersion function provides the version of the running library - * binary in numerical format. - * - * @return The ASCII encoded GLFW version string. - * - * @errors None. - * - * @remark This function may be called before @ref glfwInit. - * - * @pointer_lifetime The returned string is static and compile-time generated. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref intro_version - * @sa @ref glfwGetVersion - * - * @since Added in version 3.0. - * - * @ingroup init - */ -GLFWAPI const char* glfwGetVersionString(void); - -/*! @brief Returns and clears the last error for the calling thread. - * - * This function returns and clears the [error code](@ref errors) of the last - * error that occurred on the calling thread, and optionally a UTF-8 encoded - * human-readable description of it. If no error has occurred since the last - * call, it returns @ref GLFW_NO_ERROR (zero) and the description pointer is - * set to `NULL`. - * - * @param[in] description Where to store the error description pointer, or `NULL`. - * @return The last error code for the calling thread, or @ref GLFW_NO_ERROR - * (zero). - * - * @errors None. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is guaranteed to be valid only until the - * next error occurs or the library is terminated. - * - * @remark This function may be called before @ref glfwInit. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref error_handling - * @sa @ref glfwSetErrorCallback - * - * @since Added in version 3.3. - * - * @ingroup init - */ -GLFWAPI int glfwGetError(const char** description); - -/*! @brief Sets the error callback. - * - * This function sets the error callback, which is called with an error code - * and a human-readable description each time a GLFW error occurs. - * - * The error code is set before the callback is called. Calling @ref - * glfwGetError from the error callback will return the same value as the error - * code argument. - * - * The error callback is called on the thread where the error occurred. If you - * are using GLFW from multiple threads, your error callback needs to be - * written accordingly. - * - * Because the description string may have been generated specifically for that - * error, it is not guaranteed to be valid after the callback has returned. If - * you wish to use it after the callback returns, you need to make a copy. - * - * Once set, the error callback remains set even after the library has been - * terminated. - * - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set. - * - * @callback_signature - * @code - * void callback_name(int error_code, const char* description) - * @endcode - * For more information about the callback parameters, see the - * [callback pointer type](@ref GLFWerrorfun). - * - * @errors None. - * - * @remark This function may be called before @ref glfwInit. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref error_handling - * @sa @ref glfwGetError - * - * @since Added in version 3.0. - * - * @ingroup init - */ -GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun callback); - -/*! @brief Returns the currently connected monitors. - * - * This function returns an array of handles for all currently connected - * monitors. The primary monitor is always first in the returned array. If no - * monitors were found, this function returns `NULL`. - * - * @param[out] count Where to store the number of monitors in the returned - * array. This is set to zero if an error occurred. - * @return An array of monitor handles, or `NULL` if no monitors were found or - * if an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @pointer_lifetime The returned array is allocated and freed by GLFW. You - * should not free it yourself. It is guaranteed to be valid only until the - * monitor configuration changes or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_monitors - * @sa @ref monitor_event - * @sa @ref glfwGetPrimaryMonitor - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI GLFWmonitor** glfwGetMonitors(int* count); - -/*! @brief Returns the primary monitor. - * - * This function returns the primary monitor. This is usually the monitor - * where elements like the task bar or global menu bar are located. - * - * @return The primary monitor, or `NULL` if no monitors were found or if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @remark The primary monitor is always first in the array returned by @ref - * glfwGetMonitors. - * - * @sa @ref monitor_monitors - * @sa @ref glfwGetMonitors - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI GLFWmonitor* glfwGetPrimaryMonitor(void); - -/*! @brief Returns the position of the monitor's viewport on the virtual screen. - * - * This function returns the position, in screen coordinates, of the upper-left - * corner of the specified monitor. - * - * Any or all of the position arguments may be `NULL`. If an error occurs, all - * non-`NULL` position arguments will be set to zero. - * - * @param[in] monitor The monitor to query. - * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. - * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_properties - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos); - -/*! @brief Retrieves the work area of the monitor. - * - * This function returns the position, in screen coordinates, of the upper-left - * corner of the work area of the specified monitor along with the work area - * size in screen coordinates. The work area is defined as the area of the - * monitor not occluded by the operating system task bar where present. If no - * task bar exists then the work area is the monitor resolution in screen - * coordinates. - * - * Any or all of the position and size arguments may be `NULL`. If an error - * occurs, all non-`NULL` position and size arguments will be set to zero. - * - * @param[in] monitor The monitor to query. - * @param[out] xpos Where to store the monitor x-coordinate, or `NULL`. - * @param[out] ypos Where to store the monitor y-coordinate, or `NULL`. - * @param[out] width Where to store the monitor width, or `NULL`. - * @param[out] height Where to store the monitor height, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_workarea - * - * @since Added in version 3.3. - * - * @ingroup monitor - */ -GLFWAPI void glfwGetMonitorWorkarea(GLFWmonitor* monitor, int* xpos, int* ypos, int* width, int* height); - -/*! @brief Returns the physical size of the monitor. - * - * This function returns the size, in millimetres, of the display area of the - * specified monitor. - * - * Some systems do not provide accurate monitor size information, either - * because the monitor - * [EDID](https://en.wikipedia.org/wiki/Extended_display_identification_data) - * data is incorrect or because the driver does not report it accurately. - * - * Any or all of the size arguments may be `NULL`. If an error occurs, all - * non-`NULL` size arguments will be set to zero. - * - * @param[in] monitor The monitor to query. - * @param[out] widthMM Where to store the width, in millimetres, of the - * monitor's display area, or `NULL`. - * @param[out] heightMM Where to store the height, in millimetres, of the - * monitor's display area, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @remark @win32 calculates the returned physical size from the - * current resolution and system DPI instead of querying the monitor EDID data. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_properties - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI void glfwGetMonitorPhysicalSize(GLFWmonitor* monitor, int* widthMM, int* heightMM); - -/*! @brief Retrieves the content scale for the specified monitor. - * - * This function retrieves the content scale for the specified monitor. The - * content scale is the ratio between the current DPI and the platform's - * default DPI. This is especially important for text and any UI elements. If - * the pixel dimensions of your UI scaled by this look appropriate on your - * machine then it should appear at a reasonable size on other machines - * regardless of their DPI and scaling settings. This relies on the system DPI - * and scaling settings being somewhat correct. - * - * The content scale may depend on both the monitor resolution and pixel - * density and on user settings. It may be very different from the raw DPI - * calculated from the physical size and current resolution. - * - * @param[in] monitor The monitor to query. - * @param[out] xscale Where to store the x-axis content scale, or `NULL`. - * @param[out] yscale Where to store the y-axis content scale, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_scale - * @sa @ref glfwGetWindowContentScale - * - * @since Added in version 3.3. - * - * @ingroup monitor - */ -GLFWAPI void glfwGetMonitorContentScale(GLFWmonitor* monitor, float* xscale, float* yscale); - -/*! @brief Returns the name of the specified monitor. - * - * This function returns a human-readable name, encoded as UTF-8, of the - * specified monitor. The name typically reflects the make and model of the - * monitor and is not guaranteed to be unique among the connected monitors. - * - * @param[in] monitor The monitor to query. - * @return The UTF-8 encoded name of the monitor, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified monitor is - * disconnected or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_properties - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI const char* glfwGetMonitorName(GLFWmonitor* monitor); - -/*! @brief Sets the user pointer of the specified monitor. - * - * This function sets the user-defined pointer of the specified monitor. The - * current value is retained until the monitor is disconnected. The initial - * value is `NULL`. - * - * This function may be called from the monitor callback, even for a monitor - * that is being disconnected. - * - * @param[in] monitor The monitor whose pointer to set. - * @param[in] pointer The new value. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref monitor_userptr - * @sa @ref glfwGetMonitorUserPointer - * - * @since Added in version 3.3. - * - * @ingroup monitor - */ -GLFWAPI void glfwSetMonitorUserPointer(GLFWmonitor* monitor, void* pointer); - -/*! @brief Returns the user pointer of the specified monitor. - * - * This function returns the current value of the user-defined pointer of the - * specified monitor. The initial value is `NULL`. - * - * This function may be called from the monitor callback, even for a monitor - * that is being disconnected. - * - * @param[in] monitor The monitor whose pointer to return. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref monitor_userptr - * @sa @ref glfwSetMonitorUserPointer - * - * @since Added in version 3.3. - * - * @ingroup monitor - */ -GLFWAPI void* glfwGetMonitorUserPointer(GLFWmonitor* monitor); - -/*! @brief Sets the monitor configuration callback. - * - * This function sets the monitor configuration callback, or removes the - * currently set callback. This is called when a monitor is connected to or - * disconnected from the system. - * - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWmonitor* monitor, int event) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWmonitorfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_event - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI GLFWmonitorfun glfwSetMonitorCallback(GLFWmonitorfun callback); - -/*! @brief Returns the available video modes for the specified monitor. - * - * This function returns an array of all video modes supported by the specified - * monitor. The returned array is sorted in ascending order, first by color - * bit depth (the sum of all channel depths) and then by resolution area (the - * product of width and height). - * - * @param[in] monitor The monitor to query. - * @param[out] count Where to store the number of video modes in the returned - * array. This is set to zero if an error occurred. - * @return An array of video modes, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned array is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified monitor is - * disconnected, this function is called again for that monitor or the library - * is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_modes - * @sa @ref glfwGetVideoMode - * - * @since Added in version 1.0. - * @glfw3 Changed to return an array of modes for a specific monitor. - * - * @ingroup monitor - */ -GLFWAPI const GLFWvidmode* glfwGetVideoModes(GLFWmonitor* monitor, int* count); - -/*! @brief Returns the current mode of the specified monitor. - * - * This function returns the current video mode of the specified monitor. If - * you have created a full screen window for that monitor, the return value - * will depend on whether that window is iconified. - * - * @param[in] monitor The monitor to query. - * @return The current mode of the monitor, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned array is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified monitor is - * disconnected or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_modes - * @sa @ref glfwGetVideoModes - * - * @since Added in version 3.0. Replaces `glfwGetDesktopMode`. - * - * @ingroup monitor - */ -GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor); - -/*! @brief Generates a gamma ramp and sets it for the specified monitor. - * - * This function generates an appropriately sized gamma ramp from the specified - * exponent and then calls @ref glfwSetGammaRamp with it. The value must be - * a finite number greater than zero. - * - * The software controlled gamma ramp is applied _in addition_ to the hardware - * gamma correction, which today is usually an approximation of sRGB gamma. - * This means that setting a perfectly linear ramp, or gamma 1.0, will produce - * the default (usually sRGB-like) behavior. - * - * For gamma correct rendering with OpenGL or OpenGL ES, see the @ref - * GLFW_SRGB_CAPABLE hint. - * - * @param[in] monitor The monitor whose gamma ramp to set. - * @param[in] gamma The desired exponent. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. - * - * @remark @wayland Gamma handling is a privileged protocol, this function - * will thus never be implemented and emits @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_gamma - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI void glfwSetGamma(GLFWmonitor* monitor, float gamma); - -/*! @brief Returns the current gamma ramp for the specified monitor. - * - * This function returns the current gamma ramp of the specified monitor. - * - * @param[in] monitor The monitor to query. - * @return The current gamma ramp, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @wayland Gamma handling is a privileged protocol, this function - * will thus never be implemented and emits @ref GLFW_PLATFORM_ERROR while - * returning `NULL`. - * - * @pointer_lifetime The returned structure and its arrays are allocated and - * freed by GLFW. You should not free them yourself. They are valid until the - * specified monitor is disconnected, this function is called again for that - * monitor or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_gamma - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI const GLFWgammaramp* glfwGetGammaRamp(GLFWmonitor* monitor); - -/*! @brief Sets the current gamma ramp for the specified monitor. - * - * This function sets the current gamma ramp for the specified monitor. The - * original gamma ramp for that monitor is saved by GLFW the first time this - * function is called and is restored by @ref glfwTerminate. - * - * The software controlled gamma ramp is applied _in addition_ to the hardware - * gamma correction, which today is usually an approximation of sRGB gamma. - * This means that setting a perfectly linear ramp, or gamma 1.0, will produce - * the default (usually sRGB-like) behavior. - * - * For gamma correct rendering with OpenGL or OpenGL ES, see the @ref - * GLFW_SRGB_CAPABLE hint. - * - * @param[in] monitor The monitor whose gamma ramp to set. - * @param[in] ramp The gamma ramp to use. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark The size of the specified gamma ramp should match the size of the - * current ramp for that monitor. - * - * @remark @win32 The gamma ramp size must be 256. - * - * @remark @wayland Gamma handling is a privileged protocol, this function - * will thus never be implemented and emits @ref GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The specified gamma ramp is copied before this function - * returns. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref monitor_gamma - * - * @since Added in version 3.0. - * - * @ingroup monitor - */ -GLFWAPI void glfwSetGammaRamp(GLFWmonitor* monitor, const GLFWgammaramp* ramp); - -/*! @brief Resets all window hints to their default values. - * - * This function resets all window hints to their - * [default values](@ref window_hints_values). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_hints - * @sa @ref glfwWindowHint - * @sa @ref glfwWindowHintString - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void glfwDefaultWindowHints(void); - -/*! @brief Sets the specified window hint to the desired value. - * - * This function sets hints for the next call to @ref glfwCreateWindow. The - * hints, once set, retain their values until changed by a call to this - * function or @ref glfwDefaultWindowHints, or until the library is terminated. - * - * Only integer value hints can be set with this function. String value hints - * are set with @ref glfwWindowHintString. - * - * This function does not check whether the specified hint values are valid. - * If you set hints to invalid values this will instead be reported by the next - * call to @ref glfwCreateWindow. - * - * Some hints are platform specific. These may be set on any platform but they - * will only affect their specific platform. Other platforms will ignore them. - * Setting these hints requires no platform specific headers or functions. - * - * @param[in] hint The [window hint](@ref window_hints) to set. - * @param[in] value The new value of the window hint. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_ENUM. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_hints - * @sa @ref glfwWindowHintString - * @sa @ref glfwDefaultWindowHints - * - * @since Added in version 3.0. Replaces `glfwOpenWindowHint`. - * - * @ingroup window - */ -GLFWAPI void glfwWindowHint(int hint, int value); - -/*! @brief Sets the specified window hint to the desired value. - * - * This function sets hints for the next call to @ref glfwCreateWindow. The - * hints, once set, retain their values until changed by a call to this - * function or @ref glfwDefaultWindowHints, or until the library is terminated. - * - * Only string type hints can be set with this function. Integer value hints - * are set with @ref glfwWindowHint. - * - * This function does not check whether the specified hint values are valid. - * If you set hints to invalid values this will instead be reported by the next - * call to @ref glfwCreateWindow. - * - * Some hints are platform specific. These may be set on any platform but they - * will only affect their specific platform. Other platforms will ignore them. - * Setting these hints requires no platform specific headers or functions. - * - * @param[in] hint The [window hint](@ref window_hints) to set. - * @param[in] value The new value of the window hint. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_ENUM. - * - * @pointer_lifetime The specified string is copied before this function - * returns. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_hints - * @sa @ref glfwWindowHint - * @sa @ref glfwDefaultWindowHints - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI void glfwWindowHintString(int hint, const char* value); - -/*! @brief Creates a window and its associated context. - * - * This function creates a window and its associated OpenGL or OpenGL ES - * context. Most of the options controlling how the window and its context - * should be created are specified with [window hints](@ref window_hints). - * - * Successful creation does not change which context is current. Before you - * can use the newly created context, you need to - * [make it current](@ref context_current). For information about the `share` - * parameter, see @ref context_sharing. - * - * The created window, framebuffer and context may differ from what you - * requested, as not all parameters and hints are - * [hard constraints](@ref window_hints_hard). This includes the size of the - * window, especially for full screen windows. To query the actual attributes - * of the created window, framebuffer and context, see @ref - * glfwGetWindowAttrib, @ref glfwGetWindowSize and @ref glfwGetFramebufferSize. - * - * To create a full screen window, you need to specify the monitor the window - * will cover. If no monitor is specified, the window will be windowed mode. - * Unless you have a way for the user to choose a specific monitor, it is - * recommended that you pick the primary monitor. For more information on how - * to query connected monitors, see @ref monitor_monitors. - * - * For full screen windows, the specified size becomes the resolution of the - * window's _desired video mode_. As long as a full screen window is not - * iconified, the supported video mode most closely matching the desired video - * mode is set for the specified monitor. For more information about full - * screen windows, including the creation of so called _windowed full screen_ - * or _borderless full screen_ windows, see @ref window_windowed_full_screen. - * - * Once you have created the window, you can switch it between windowed and - * full screen mode with @ref glfwSetWindowMonitor. This will not affect its - * OpenGL or OpenGL ES context. - * - * By default, newly created windows use the placement recommended by the - * window system. To create the window at a specific position, make it - * initially invisible using the [GLFW_VISIBLE](@ref GLFW_VISIBLE_hint) window - * hint, set its [position](@ref window_pos) and then [show](@ref window_hide) - * it. - * - * As long as at least one full screen window is not iconified, the screensaver - * is prohibited from starting. - * - * Window systems put limits on window sizes. Very large or very small window - * dimensions may be overridden by the window system on creation. Check the - * actual [size](@ref window_size) after creation. - * - * The [swap interval](@ref buffer_swap) is not set during window creation and - * the initial value may vary depending on driver settings and defaults. - * - * @param[in] width The desired width, in screen coordinates, of the window. - * This must be greater than zero. - * @param[in] height The desired height, in screen coordinates, of the window. - * This must be greater than zero. - * @param[in] title The initial, UTF-8 encoded window title. - * @param[in] monitor The monitor to use for full screen mode, or `NULL` for - * windowed mode. - * @param[in] share The window whose context to share resources with, or `NULL` - * to not share resources. - * @return The handle of the created window, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE, @ref GLFW_API_UNAVAILABLE, @ref - * GLFW_VERSION_UNAVAILABLE, @ref GLFW_FORMAT_UNAVAILABLE and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @win32 Window creation will fail if the Microsoft GDI software - * OpenGL implementation is the only one available. - * - * @remark @win32 If the executable has an icon resource named `GLFW_ICON,` it - * will be set as the initial icon for the window. If no such icon is present, - * the `IDI_APPLICATION` icon will be used instead. To set a different icon, - * see @ref glfwSetWindowIcon. - * - * @remark @win32 The context to share resources with must not be current on - * any other thread. - * - * @remark @macos The OS only supports forward-compatible core profile contexts - * for OpenGL versions 3.2 and later. Before creating an OpenGL context of - * version 3.2 or later you must set the - * [GLFW_OPENGL_FORWARD_COMPAT](@ref GLFW_OPENGL_FORWARD_COMPAT_hint) and - * [GLFW_OPENGL_PROFILE](@ref GLFW_OPENGL_PROFILE_hint) hints accordingly. - * OpenGL 3.0 and 3.1 contexts are not supported at all on macOS. - * - * @remark @macos The GLFW window has no icon, as it is not a document - * window, but the dock icon will be the same as the application bundle's icon. - * For more information on bundles, see the - * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) - * in the Mac Developer Library. - * - * @remark @macos The first time a window is created the menu bar is created. - * If GLFW finds a `MainMenu.nib` it is loaded and assumed to contain a menu - * bar. Otherwise a minimal menu bar is created manually with common commands - * like Hide, Quit and About. The About entry opens a minimal about dialog - * with information from the application's bundle. Menu bar creation can be - * disabled entirely with the @ref GLFW_COCOA_MENUBAR init hint. - * - * @remark @macos On OS X 10.10 and later the window frame will not be rendered - * at full resolution on Retina displays unless the - * [GLFW_COCOA_RETINA_FRAMEBUFFER](@ref GLFW_COCOA_RETINA_FRAMEBUFFER_hint) - * hint is `GLFW_TRUE` and the `NSHighResolutionCapable` key is enabled in the - * application bundle's `Info.plist`. For more information, see - * [High Resolution Guidelines for OS X](https://developer.apple.com/library/mac/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html) - * in the Mac Developer Library. The GLFW test and example programs use - * a custom `Info.plist` template for this, which can be found as - * `CMake/MacOSXBundleInfo.plist.in` in the source tree. - * - * @remark @macos When activating frame autosaving with - * [GLFW_COCOA_FRAME_NAME](@ref GLFW_COCOA_FRAME_NAME_hint), the specified - * window size and position may be overridden by previously saved values. - * - * @remark @x11 Some window managers will not respect the placement of - * initially hidden windows. - * - * @remark @x11 Due to the asynchronous nature of X11, it may take a moment for - * a window to reach its requested state. This means you may not be able to - * query the final size, position or other attributes directly after window - * creation. - * - * @remark @x11 The class part of the `WM_CLASS` window property will by - * default be set to the window title passed to this function. The instance - * part will use the contents of the `RESOURCE_NAME` environment variable, if - * present and not empty, or fall back to the window title. Set the - * [GLFW_X11_CLASS_NAME](@ref GLFW_X11_CLASS_NAME_hint) and - * [GLFW_X11_INSTANCE_NAME](@ref GLFW_X11_INSTANCE_NAME_hint) window hints to - * override this. - * - * @remark @wayland Compositors should implement the xdg-decoration protocol - * for GLFW to decorate the window properly. If this protocol isn't - * supported, or if the compositor prefers client-side decorations, a very - * simple fallback frame will be drawn using the wp_viewporter protocol. A - * compositor can still emit close, maximize or fullscreen events, using for - * instance a keybind mechanism. If neither of these protocols is supported, - * the window won't be decorated. - * - * @remark @wayland A full screen window will not attempt to change the mode, - * no matter what the requested size or refresh rate. - * - * @remark @wayland Screensaver inhibition requires the idle-inhibit protocol - * to be implemented in the user's compositor. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_creation - * @sa @ref glfwDestroyWindow - * - * @since Added in version 3.0. Replaces `glfwOpenWindow`. - * - * @ingroup window - */ -GLFWAPI GLFWwindow* glfwCreateWindow(int width, int height, const char* title, GLFWmonitor* monitor, GLFWwindow* share); - -/*! @brief Destroys the specified window and its context. - * - * This function destroys the specified window and its context. On calling - * this function, no further callbacks will be called for that window. - * - * If the context of the specified window is current on the main thread, it is - * detached before being destroyed. - * - * @param[in] window The window to destroy. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @note The context of the specified window must not be current on any other - * thread when this function is called. - * - * @reentrancy This function must not be called from a callback. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_creation - * @sa @ref glfwCreateWindow - * - * @since Added in version 3.0. Replaces `glfwCloseWindow`. - * - * @ingroup window - */ -GLFWAPI void glfwDestroyWindow(GLFWwindow* window); - -/*! @brief Checks the close flag of the specified window. - * - * This function returns the value of the close flag of the specified window. - * - * @param[in] window The window to query. - * @return The value of the close flag. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref window_close - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI int glfwWindowShouldClose(GLFWwindow* window); - -/*! @brief Sets the close flag of the specified window. - * - * This function sets the value of the close flag of the specified window. - * This can be used to override the user's attempt to close the window, or - * to signal that it should be closed. - * - * @param[in] window The window whose flag to change. - * @param[in] value The new value. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref window_close - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowShouldClose(GLFWwindow* window, int value); - -/*! @brief Sets the title of the specified window. - * - * This function sets the window title, encoded as UTF-8, of the specified - * window. - * - * @param[in] window The window whose title to change. - * @param[in] title The UTF-8 encoded window title. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @macos The window title will not be updated until the next time you - * process events. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_title - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowTitle(GLFWwindow* window, const char* title); - -/*! @brief Sets the icon for the specified window. - * - * This function sets the icon of the specified window. If passed an array of - * candidate images, those of or closest to the sizes desired by the system are - * selected. If no images are specified, the window reverts to its default - * icon. - * - * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight - * bits per channel with the red channel first. They are arranged canonically - * as packed sequential rows, starting from the top-left corner. - * - * The desired image sizes varies depending on platform and system settings. - * The selected images will be rescaled as needed. Good sizes include 16x16, - * 32x32 and 48x48. - * - * @param[in] window The window whose icon to set. - * @param[in] count The number of images in the specified array, or zero to - * revert to the default window icon. - * @param[in] images The images to create the icon from. This is ignored if - * count is zero. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The specified image data is copied before this function - * returns. - * - * @remark @macos The GLFW window has no icon, as it is not a document - * window, so this function does nothing. The dock icon will be the same as - * the application bundle's icon. For more information on bundles, see the - * [Bundle Programming Guide](https://developer.apple.com/library/mac/documentation/CoreFoundation/Conceptual/CFBundles/) - * in the Mac Developer Library. - * - * @remark @wayland There is no existing protocol to change an icon, the - * window will thus inherit the one defined in the application's desktop file. - * This function always emits @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_icon - * - * @since Added in version 3.2. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowIcon(GLFWwindow* window, int count, const GLFWimage* images); - -/*! @brief Retrieves the position of the content area of the specified window. - * - * This function retrieves the position, in screen coordinates, of the - * upper-left corner of the content area of the specified window. - * - * Any or all of the position arguments may be `NULL`. If an error occurs, all - * non-`NULL` position arguments will be set to zero. - * - * @param[in] window The window to query. - * @param[out] xpos Where to store the x-coordinate of the upper-left corner of - * the content area, or `NULL`. - * @param[out] ypos Where to store the y-coordinate of the upper-left corner of - * the content area, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @wayland There is no way for an application to retrieve the global - * position of its windows, this function will always emit @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_pos - * @sa @ref glfwSetWindowPos - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void glfwGetWindowPos(GLFWwindow* window, int* xpos, int* ypos); - -/*! @brief Sets the position of the content area of the specified window. - * - * This function sets the position, in screen coordinates, of the upper-left - * corner of the content area of the specified windowed mode window. If the - * window is a full screen window, this function does nothing. - * - * __Do not use this function__ to move an already visible window unless you - * have very good reasons for doing so, as it will confuse and annoy the user. - * - * The window manager may put limits on what positions are allowed. GLFW - * cannot and should not override these limits. - * - * @param[in] window The window to query. - * @param[in] xpos The x-coordinate of the upper-left corner of the content area. - * @param[in] ypos The y-coordinate of the upper-left corner of the content area. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @wayland There is no way for an application to set the global - * position of its windows, this function will always emit @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_pos - * @sa @ref glfwGetWindowPos - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowPos(GLFWwindow* window, int xpos, int ypos); - -/*! @brief Retrieves the size of the content area of the specified window. - * - * This function retrieves the size, in screen coordinates, of the content area - * of the specified window. If you wish to retrieve the size of the - * framebuffer of the window in pixels, see @ref glfwGetFramebufferSize. - * - * Any or all of the size arguments may be `NULL`. If an error occurs, all - * non-`NULL` size arguments will be set to zero. - * - * @param[in] window The window whose size to retrieve. - * @param[out] width Where to store the width, in screen coordinates, of the - * content area, or `NULL`. - * @param[out] height Where to store the height, in screen coordinates, of the - * content area, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_size - * @sa @ref glfwSetWindowSize - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -GLFWAPI void glfwGetWindowSize(GLFWwindow* window, int* width, int* height); - -/*! @brief Sets the size limits of the specified window. - * - * This function sets the size limits of the content area of the specified - * window. If the window is full screen, the size limits only take effect - * once it is made windowed. If the window is not resizable, this function - * does nothing. - * - * The size limits are applied immediately to a windowed mode window and may - * cause it to be resized. - * - * The maximum dimensions must be greater than or equal to the minimum - * dimensions and all must be greater than or equal to zero. - * - * @param[in] window The window to set limits for. - * @param[in] minwidth The minimum width, in screen coordinates, of the content - * area, or `GLFW_DONT_CARE`. - * @param[in] minheight The minimum height, in screen coordinates, of the - * content area, or `GLFW_DONT_CARE`. - * @param[in] maxwidth The maximum width, in screen coordinates, of the content - * area, or `GLFW_DONT_CARE`. - * @param[in] maxheight The maximum height, in screen coordinates, of the - * content area, or `GLFW_DONT_CARE`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. - * - * @remark If you set size limits and an aspect ratio that conflict, the - * results are undefined. - * - * @remark @wayland The size limits will not be applied until the window is - * actually resized, either by the user or by the compositor. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_sizelimits - * @sa @ref glfwSetWindowAspectRatio - * - * @since Added in version 3.2. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowSizeLimits(GLFWwindow* window, int minwidth, int minheight, int maxwidth, int maxheight); - -/*! @brief Sets the aspect ratio of the specified window. - * - * This function sets the required aspect ratio of the content area of the - * specified window. If the window is full screen, the aspect ratio only takes - * effect once it is made windowed. If the window is not resizable, this - * function does nothing. - * - * The aspect ratio is specified as a numerator and a denominator and both - * values must be greater than zero. For example, the common 16:9 aspect ratio - * is specified as 16 and 9, respectively. - * - * If the numerator and denominator is set to `GLFW_DONT_CARE` then the aspect - * ratio limit is disabled. - * - * The aspect ratio is applied immediately to a windowed mode window and may - * cause it to be resized. - * - * @param[in] window The window to set limits for. - * @param[in] numer The numerator of the desired aspect ratio, or - * `GLFW_DONT_CARE`. - * @param[in] denom The denominator of the desired aspect ratio, or - * `GLFW_DONT_CARE`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. - * - * @remark If you set size limits and an aspect ratio that conflict, the - * results are undefined. - * - * @remark @wayland The aspect ratio will not be applied until the window is - * actually resized, either by the user or by the compositor. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_sizelimits - * @sa @ref glfwSetWindowSizeLimits - * - * @since Added in version 3.2. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowAspectRatio(GLFWwindow* window, int numer, int denom); - -/*! @brief Sets the size of the content area of the specified window. - * - * This function sets the size, in screen coordinates, of the content area of - * the specified window. - * - * For full screen windows, this function updates the resolution of its desired - * video mode and switches to the video mode closest to it, without affecting - * the window's context. As the context is unaffected, the bit depths of the - * framebuffer remain unchanged. - * - * If you wish to update the refresh rate of the desired video mode in addition - * to its resolution, see @ref glfwSetWindowMonitor. - * - * The window manager may put limits on what sizes are allowed. GLFW cannot - * and should not override these limits. - * - * @param[in] window The window to resize. - * @param[in] width The desired width, in screen coordinates, of the window - * content area. - * @param[in] height The desired height, in screen coordinates, of the window - * content area. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @wayland A full screen window will not attempt to change the mode, - * no matter what the requested size. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_size - * @sa @ref glfwGetWindowSize - * @sa @ref glfwSetWindowMonitor - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowSize(GLFWwindow* window, int width, int height); - -/*! @brief Retrieves the size of the framebuffer of the specified window. - * - * This function retrieves the size, in pixels, of the framebuffer of the - * specified window. If you wish to retrieve the size of the window in screen - * coordinates, see @ref glfwGetWindowSize. - * - * Any or all of the size arguments may be `NULL`. If an error occurs, all - * non-`NULL` size arguments will be set to zero. - * - * @param[in] window The window whose framebuffer to query. - * @param[out] width Where to store the width, in pixels, of the framebuffer, - * or `NULL`. - * @param[out] height Where to store the height, in pixels, of the framebuffer, - * or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_fbsize - * @sa @ref glfwSetFramebufferSizeCallback - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void glfwGetFramebufferSize(GLFWwindow* window, int* width, int* height); - -/*! @brief Retrieves the size of the frame of the window. - * - * This function retrieves the size, in screen coordinates, of each edge of the - * frame of the specified window. This size includes the title bar, if the - * window has one. The size of the frame may vary depending on the - * [window-related hints](@ref window_hints_wnd) used to create it. - * - * Because this function retrieves the size of each window frame edge and not - * the offset along a particular coordinate axis, the retrieved values will - * always be zero or positive. - * - * Any or all of the size arguments may be `NULL`. If an error occurs, all - * non-`NULL` size arguments will be set to zero. - * - * @param[in] window The window whose frame size to query. - * @param[out] left Where to store the size, in screen coordinates, of the left - * edge of the window frame, or `NULL`. - * @param[out] top Where to store the size, in screen coordinates, of the top - * edge of the window frame, or `NULL`. - * @param[out] right Where to store the size, in screen coordinates, of the - * right edge of the window frame, or `NULL`. - * @param[out] bottom Where to store the size, in screen coordinates, of the - * bottom edge of the window frame, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_size - * - * @since Added in version 3.1. - * - * @ingroup window - */ -GLFWAPI void glfwGetWindowFrameSize(GLFWwindow* window, int* left, int* top, int* right, int* bottom); - -/*! @brief Retrieves the content scale for the specified window. - * - * This function retrieves the content scale for the specified window. The - * content scale is the ratio between the current DPI and the platform's - * default DPI. This is especially important for text and any UI elements. If - * the pixel dimensions of your UI scaled by this look appropriate on your - * machine then it should appear at a reasonable size on other machines - * regardless of their DPI and scaling settings. This relies on the system DPI - * and scaling settings being somewhat correct. - * - * On systems where each monitors can have its own content scale, the window - * content scale will depend on which monitor the system considers the window - * to be on. - * - * @param[in] window The window to query. - * @param[out] xscale Where to store the x-axis content scale, or `NULL`. - * @param[out] yscale Where to store the y-axis content scale, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_scale - * @sa @ref glfwSetWindowContentScaleCallback - * @sa @ref glfwGetMonitorContentScale - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI void glfwGetWindowContentScale(GLFWwindow* window, float* xscale, float* yscale); - -/*! @brief Returns the opacity of the whole window. - * - * This function returns the opacity of the window, including any decorations. - * - * The opacity (or alpha) value is a positive finite number between zero and - * one, where zero is fully transparent and one is fully opaque. If the system - * does not support whole window transparency, this function always returns one. - * - * The initial opacity value for newly created windows is one. - * - * @param[in] window The window to query. - * @return The opacity value of the specified window. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_transparency - * @sa @ref glfwSetWindowOpacity - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI float glfwGetWindowOpacity(GLFWwindow* window); - -/*! @brief Sets the opacity of the whole window. - * - * This function sets the opacity of the window, including any decorations. - * - * The opacity (or alpha) value is a positive finite number between zero and - * one, where zero is fully transparent and one is fully opaque. - * - * The initial opacity value for newly created windows is one. - * - * A window created with framebuffer transparency may not use whole window - * transparency. The results of doing this are undefined. - * - * @param[in] window The window to set the opacity for. - * @param[in] opacity The desired opacity of the specified window. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_transparency - * @sa @ref glfwGetWindowOpacity - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowOpacity(GLFWwindow* window, float opacity); - -/*! @brief Iconifies the specified window. - * - * This function iconifies (minimizes) the specified window if it was - * previously restored. If the window is already iconified, this function does - * nothing. - * - * If the specified window is a full screen window, the original monitor - * resolution is restored until the window is restored. - * - * @param[in] window The window to iconify. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @wayland There is no concept of iconification in wl_shell, this - * function will emit @ref GLFW_PLATFORM_ERROR when using this deprecated - * protocol. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_iconify - * @sa @ref glfwRestoreWindow - * @sa @ref glfwMaximizeWindow - * - * @since Added in version 2.1. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -GLFWAPI void glfwIconifyWindow(GLFWwindow* window); - -/*! @brief Restores the specified window. - * - * This function restores the specified window if it was previously iconified - * (minimized) or maximized. If the window is already restored, this function - * does nothing. - * - * If the specified window is a full screen window, the resolution chosen for - * the window is restored on the selected monitor. - * - * @param[in] window The window to restore. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_iconify - * @sa @ref glfwIconifyWindow - * @sa @ref glfwMaximizeWindow - * - * @since Added in version 2.1. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -GLFWAPI void glfwRestoreWindow(GLFWwindow* window); - -/*! @brief Maximizes the specified window. - * - * This function maximizes the specified window if it was previously not - * maximized. If the window is already maximized, this function does nothing. - * - * If the specified window is a full screen window, this function does nothing. - * - * @param[in] window The window to maximize. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @par Thread Safety - * This function may only be called from the main thread. - * - * @sa @ref window_iconify - * @sa @ref glfwIconifyWindow - * @sa @ref glfwRestoreWindow - * - * @since Added in GLFW 3.2. - * - * @ingroup window - */ -GLFWAPI void glfwMaximizeWindow(GLFWwindow* window); - -/*! @brief Makes the specified window visible. - * - * This function makes the specified window visible if it was previously - * hidden. If the window is already visible or is in full screen mode, this - * function does nothing. - * - * By default, windowed mode windows are focused when shown - * Set the [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) window hint - * to change this behavior for all newly created windows, or change the - * behavior for an existing window with @ref glfwSetWindowAttrib. - * - * @param[in] window The window to make visible. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_hide - * @sa @ref glfwHideWindow - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void glfwShowWindow(GLFWwindow* window); - -/*! @brief Hides the specified window. - * - * This function hides the specified window if it was previously visible. If - * the window is already hidden or is in full screen mode, this function does - * nothing. - * - * @param[in] window The window to hide. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_hide - * @sa @ref glfwShowWindow - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void glfwHideWindow(GLFWwindow* window); - -/*! @brief Brings the specified window to front and sets input focus. - * - * This function brings the specified window to front and sets input focus. - * The window should already be visible and not iconified. - * - * By default, both windowed and full screen mode windows are focused when - * initially created. Set the [GLFW_FOCUSED](@ref GLFW_FOCUSED_hint) to - * disable this behavior. - * - * Also by default, windowed mode windows are focused when shown - * with @ref glfwShowWindow. Set the - * [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_hint) to disable this behavior. - * - * __Do not use this function__ to steal focus from other applications unless - * you are certain that is what the user wants. Focus stealing can be - * extremely disruptive. - * - * For a less disruptive way of getting the user's attention, see - * [attention requests](@ref window_attention). - * - * @param[in] window The window to give input focus. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @wayland It is not possible for an application to bring its windows - * to front, this function will always emit @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_focus - * @sa @ref window_attention - * - * @since Added in version 3.2. - * - * @ingroup window - */ -GLFWAPI void glfwFocusWindow(GLFWwindow* window); - -/*! @brief Requests user attention to the specified window. - * - * This function requests user attention to the specified window. On - * platforms where this is not supported, attention is requested to the - * application as a whole. - * - * Once the user has given attention, usually by focusing the window or - * application, the system will end the request automatically. - * - * @param[in] window The window to request attention to. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @macos Attention is requested to the application as a whole, not the - * specific window. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_attention - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI void glfwRequestWindowAttention(GLFWwindow* window); - -/*! @brief Returns the monitor that the window uses for full screen mode. - * - * This function returns the handle of the monitor that the specified window is - * in full screen on. - * - * @param[in] window The window to query. - * @return The monitor, or `NULL` if the window is in windowed mode or an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_monitor - * @sa @ref glfwSetWindowMonitor - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI GLFWmonitor* glfwGetWindowMonitor(GLFWwindow* window); - -/*! @brief Sets the mode, monitor, video mode and placement of a window. - * - * This function sets the monitor that the window uses for full screen mode or, - * if the monitor is `NULL`, makes it windowed mode. - * - * When setting a monitor, this function updates the width, height and refresh - * rate of the desired video mode and switches to the video mode closest to it. - * The window position is ignored when setting a monitor. - * - * When the monitor is `NULL`, the position, width and height are used to - * place the window content area. The refresh rate is ignored when no monitor - * is specified. - * - * If you only wish to update the resolution of a full screen window or the - * size of a windowed mode window, see @ref glfwSetWindowSize. - * - * When a window transitions from full screen to windowed mode, this function - * restores any previous window settings such as whether it is decorated, - * floating, resizable, has size or aspect ratio limits, etc. - * - * @param[in] window The window whose monitor, size or video mode to set. - * @param[in] monitor The desired monitor, or `NULL` to set windowed mode. - * @param[in] xpos The desired x-coordinate of the upper-left corner of the - * content area. - * @param[in] ypos The desired y-coordinate of the upper-left corner of the - * content area. - * @param[in] width The desired with, in screen coordinates, of the content - * area or video mode. - * @param[in] height The desired height, in screen coordinates, of the content - * area or video mode. - * @param[in] refreshRate The desired refresh rate, in Hz, of the video mode, - * or `GLFW_DONT_CARE`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark The OpenGL or OpenGL ES context will not be destroyed or otherwise - * affected by any resizing or mode switching, although you may need to update - * your viewport if the framebuffer size has changed. - * - * @remark @wayland The desired window position is ignored, as there is no way - * for an application to set this property. - * - * @remark @wayland Setting the window to full screen will not attempt to - * change the mode, no matter what the requested size or refresh rate. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_monitor - * @sa @ref window_full_screen - * @sa @ref glfwGetWindowMonitor - * @sa @ref glfwSetWindowSize - * - * @since Added in version 3.2. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowMonitor(GLFWwindow* window, GLFWmonitor* monitor, int xpos, int ypos, int width, int height, int refreshRate); - -/*! @brief Returns an attribute of the specified window. - * - * This function returns the value of an attribute of the specified window or - * its OpenGL or OpenGL ES context. - * - * @param[in] window The window to query. - * @param[in] attrib The [window attribute](@ref window_attribs) whose value to - * return. - * @return The value of the attribute, or zero if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @remark Framebuffer related hints are not window attributes. See @ref - * window_attribs_fb for more information. - * - * @remark Zero is a valid value for many window and context related - * attributes so you cannot use a return value of zero as an indication of - * errors. However, this function should not fail as long as it is passed - * valid arguments and the library has been [initialized](@ref intro_init). - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_attribs - * @sa @ref glfwSetWindowAttrib - * - * @since Added in version 3.0. Replaces `glfwGetWindowParam` and - * `glfwGetGLVersion`. - * - * @ingroup window - */ -GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib); - -/*! @brief Sets an attribute of the specified window. - * - * This function sets the value of an attribute of the specified window. - * - * The supported attributes are [GLFW_DECORATED](@ref GLFW_DECORATED_attrib), - * [GLFW_RESIZABLE](@ref GLFW_RESIZABLE_attrib), - * [GLFW_FLOATING](@ref GLFW_FLOATING_attrib), - * [GLFW_AUTO_ICONIFY](@ref GLFW_AUTO_ICONIFY_attrib) and - * [GLFW_FOCUS_ON_SHOW](@ref GLFW_FOCUS_ON_SHOW_attrib). - * - * Some of these attributes are ignored for full screen windows. The new - * value will take effect if the window is later made windowed. - * - * Some of these attributes are ignored for windowed mode windows. The new - * value will take effect if the window is later made full screen. - * - * @param[in] window The window to set the attribute for. - * @param[in] attrib A supported window attribute. - * @param[in] value `GLFW_TRUE` or `GLFW_FALSE`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. - * - * @remark Calling @ref glfwGetWindowAttrib will always return the latest - * value, even if that value is ignored by the current mode of the window. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_attribs - * @sa @ref glfwGetWindowAttrib - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowAttrib(GLFWwindow* window, int attrib, int value); - -/*! @brief Sets the user pointer of the specified window. - * - * This function sets the user-defined pointer of the specified window. The - * current value is retained until the window is destroyed. The initial value - * is `NULL`. - * - * @param[in] window The window whose pointer to set. - * @param[in] pointer The new value. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref window_userptr - * @sa @ref glfwGetWindowUserPointer - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void glfwSetWindowUserPointer(GLFWwindow* window, void* pointer); - -/*! @brief Returns the user pointer of the specified window. - * - * This function returns the current value of the user-defined pointer of the - * specified window. The initial value is `NULL`. - * - * @param[in] window The window whose pointer to return. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref window_userptr - * @sa @ref glfwSetWindowUserPointer - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI void* glfwGetWindowUserPointer(GLFWwindow* window); - -/*! @brief Sets the position callback for the specified window. - * - * This function sets the position callback of the specified window, which is - * called when the window is moved. The callback is provided with the - * position, in screen coordinates, of the upper-left corner of the content - * area of the window. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int xpos, int ypos) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowposfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @remark @wayland This callback will never be called, as there is no way for - * an application to know its global position. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_pos - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI GLFWwindowposfun glfwSetWindowPosCallback(GLFWwindow* window, GLFWwindowposfun callback); - -/*! @brief Sets the size callback for the specified window. - * - * This function sets the size callback of the specified window, which is - * called when the window is resized. The callback is provided with the size, - * in screen coordinates, of the content area of the window. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int width, int height) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowsizefun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_size - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter and return value. - * - * @ingroup window - */ -GLFWAPI GLFWwindowsizefun glfwSetWindowSizeCallback(GLFWwindow* window, GLFWwindowsizefun callback); - -/*! @brief Sets the close callback for the specified window. - * - * This function sets the close callback of the specified window, which is - * called when the user attempts to close the window, for example by clicking - * the close widget in the title bar. - * - * The close flag is set before this callback is called, but you can modify it - * at any time with @ref glfwSetWindowShouldClose. - * - * The close callback is not triggered by @ref glfwDestroyWindow. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowclosefun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @remark @macos Selecting Quit from the application menu will trigger the - * close callback for all windows. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_close - * - * @since Added in version 2.5. - * @glfw3 Added window handle parameter and return value. - * - * @ingroup window - */ -GLFWAPI GLFWwindowclosefun glfwSetWindowCloseCallback(GLFWwindow* window, GLFWwindowclosefun callback); - -/*! @brief Sets the refresh callback for the specified window. - * - * This function sets the refresh callback of the specified window, which is - * called when the content area of the window needs to be redrawn, for example - * if the window has been exposed after having been covered by another window. - * - * On compositing window systems such as Aero, Compiz, Aqua or Wayland, where - * the window contents are saved off-screen, this callback may be called only - * very infrequently or never at all. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window); - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowrefreshfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_refresh - * - * @since Added in version 2.5. - * @glfw3 Added window handle parameter and return value. - * - * @ingroup window - */ -GLFWAPI GLFWwindowrefreshfun glfwSetWindowRefreshCallback(GLFWwindow* window, GLFWwindowrefreshfun callback); - -/*! @brief Sets the focus callback for the specified window. - * - * This function sets the focus callback of the specified window, which is - * called when the window gains or loses input focus. - * - * After the focus callback is called for a window that lost input focus, - * synthetic key and mouse button release events will be generated for all such - * that had been pressed. For more information, see @ref glfwSetKeyCallback - * and @ref glfwSetMouseButtonCallback. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int focused) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowfocusfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_focus - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI GLFWwindowfocusfun glfwSetWindowFocusCallback(GLFWwindow* window, GLFWwindowfocusfun callback); - -/*! @brief Sets the iconify callback for the specified window. - * - * This function sets the iconification callback of the specified window, which - * is called when the window is iconified or restored. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int iconified) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowiconifyfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @remark @wayland The wl_shell protocol has no concept of iconification, - * this callback will never be called when using this deprecated protocol. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_iconify - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI GLFWwindowiconifyfun glfwSetWindowIconifyCallback(GLFWwindow* window, GLFWwindowiconifyfun callback); - -/*! @brief Sets the maximize callback for the specified window. - * - * This function sets the maximization callback of the specified window, which - * is called when the window is maximized or restored. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int maximized) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowmaximizefun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_maximize - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI GLFWwindowmaximizefun glfwSetWindowMaximizeCallback(GLFWwindow* window, GLFWwindowmaximizefun callback); - -/*! @brief Sets the framebuffer resize callback for the specified window. - * - * This function sets the framebuffer resize callback of the specified window, - * which is called when the framebuffer of the specified window is resized. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int width, int height) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWframebuffersizefun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_fbsize - * - * @since Added in version 3.0. - * - * @ingroup window - */ -GLFWAPI GLFWframebuffersizefun glfwSetFramebufferSizeCallback(GLFWwindow* window, GLFWframebuffersizefun callback); - -/*! @brief Sets the window content scale callback for the specified window. - * - * This function sets the window content scale callback of the specified window, - * which is called when the content scale of the specified window changes. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, float xscale, float yscale) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWwindowcontentscalefun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref window_scale - * @sa @ref glfwGetWindowContentScale - * - * @since Added in version 3.3. - * - * @ingroup window - */ -GLFWAPI GLFWwindowcontentscalefun glfwSetWindowContentScaleCallback(GLFWwindow* window, GLFWwindowcontentscalefun callback); - -/*! @brief Processes all pending events. - * - * This function processes only those events that are already in the event - * queue and then returns immediately. Processing events will cause the window - * and input callbacks associated with those events to be called. - * - * On some platforms, a window move, resize or menu operation will cause event - * processing to block. This is due to how event processing is designed on - * those platforms. You can use the - * [window refresh callback](@ref window_refresh) to redraw the contents of - * your window when necessary during such operations. - * - * Do not assume that callbacks you set will _only_ be called in response to - * event processing functions like this one. While it is necessary to poll for - * events, window systems that require GLFW to register callbacks of its own - * can pass events to GLFW in response to many window system function calls. - * GLFW will pass those events on to the application callbacks before - * returning. - * - * Event processing is not required for joystick input to work. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @reentrancy This function must not be called from a callback. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref events - * @sa @ref glfwWaitEvents - * @sa @ref glfwWaitEventsTimeout - * - * @since Added in version 1.0. - * - * @ingroup window - */ -GLFWAPI void glfwPollEvents(void); - -/*! @brief Waits until events are queued and processes them. - * - * This function puts the calling thread to sleep until at least one event is - * available in the event queue. Once one or more events are available, - * it behaves exactly like @ref glfwPollEvents, i.e. the events in the queue - * are processed and the function then returns immediately. Processing events - * will cause the window and input callbacks associated with those events to be - * called. - * - * Since not all events are associated with callbacks, this function may return - * without a callback having been called even if you are monitoring all - * callbacks. - * - * On some platforms, a window move, resize or menu operation will cause event - * processing to block. This is due to how event processing is designed on - * those platforms. You can use the - * [window refresh callback](@ref window_refresh) to redraw the contents of - * your window when necessary during such operations. - * - * Do not assume that callbacks you set will _only_ be called in response to - * event processing functions like this one. While it is necessary to poll for - * events, window systems that require GLFW to register callbacks of its own - * can pass events to GLFW in response to many window system function calls. - * GLFW will pass those events on to the application callbacks before - * returning. - * - * Event processing is not required for joystick input to work. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @reentrancy This function must not be called from a callback. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref events - * @sa @ref glfwPollEvents - * @sa @ref glfwWaitEventsTimeout - * - * @since Added in version 2.5. - * - * @ingroup window - */ -GLFWAPI void glfwWaitEvents(void); - -/*! @brief Waits with timeout until events are queued and processes them. - * - * This function puts the calling thread to sleep until at least one event is - * available in the event queue, or until the specified timeout is reached. If - * one or more events are available, it behaves exactly like @ref - * glfwPollEvents, i.e. the events in the queue are processed and the function - * then returns immediately. Processing events will cause the window and input - * callbacks associated with those events to be called. - * - * The timeout value must be a positive finite number. - * - * Since not all events are associated with callbacks, this function may return - * without a callback having been called even if you are monitoring all - * callbacks. - * - * On some platforms, a window move, resize or menu operation will cause event - * processing to block. This is due to how event processing is designed on - * those platforms. You can use the - * [window refresh callback](@ref window_refresh) to redraw the contents of - * your window when necessary during such operations. - * - * Do not assume that callbacks you set will _only_ be called in response to - * event processing functions like this one. While it is necessary to poll for - * events, window systems that require GLFW to register callbacks of its own - * can pass events to GLFW in response to many window system function calls. - * GLFW will pass those events on to the application callbacks before - * returning. - * - * Event processing is not required for joystick input to work. - * - * @param[in] timeout The maximum amount of time, in seconds, to wait. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR. - * - * @reentrancy This function must not be called from a callback. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref events - * @sa @ref glfwPollEvents - * @sa @ref glfwWaitEvents - * - * @since Added in version 3.2. - * - * @ingroup window - */ -GLFWAPI void glfwWaitEventsTimeout(double timeout); - -/*! @brief Posts an empty event to the event queue. - * - * This function posts an empty event from the current thread to the event - * queue, causing @ref glfwWaitEvents or @ref glfwWaitEventsTimeout to return. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref events - * @sa @ref glfwWaitEvents - * @sa @ref glfwWaitEventsTimeout - * - * @since Added in version 3.1. - * - * @ingroup window - */ -GLFWAPI void glfwPostEmptyEvent(void); - -/*! @brief Returns the value of an input option for the specified window. - * - * This function returns the value of an input option for the specified window. - * The mode must be one of @ref GLFW_CURSOR, @ref GLFW_STICKY_KEYS, - * @ref GLFW_STICKY_MOUSE_BUTTONS, @ref GLFW_LOCK_KEY_MODS or - * @ref GLFW_RAW_MOUSE_MOTION. - * - * @param[in] window The window to query. - * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS`, - * `GLFW_STICKY_MOUSE_BUTTONS`, `GLFW_LOCK_KEY_MODS` or - * `GLFW_RAW_MOUSE_MOTION`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_ENUM. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref glfwSetInputMode - * - * @since Added in version 3.0. - * - * @ingroup input - */ -GLFWAPI int glfwGetInputMode(GLFWwindow* window, int mode); - -/*! @brief Sets an input option for the specified window. - * - * This function sets an input mode option for the specified window. The mode - * must be one of @ref GLFW_CURSOR, @ref GLFW_STICKY_KEYS, - * @ref GLFW_STICKY_MOUSE_BUTTONS, @ref GLFW_LOCK_KEY_MODS or - * @ref GLFW_RAW_MOUSE_MOTION. - * - * If the mode is `GLFW_CURSOR`, the value must be one of the following cursor - * modes: - * - `GLFW_CURSOR_NORMAL` makes the cursor visible and behaving normally. - * - `GLFW_CURSOR_HIDDEN` makes the cursor invisible when it is over the - * content area of the window but does not restrict the cursor from leaving. - * - `GLFW_CURSOR_DISABLED` hides and grabs the cursor, providing virtual - * and unlimited cursor movement. This is useful for implementing for - * example 3D camera controls. - * - * If the mode is `GLFW_STICKY_KEYS`, the value must be either `GLFW_TRUE` to - * enable sticky keys, or `GLFW_FALSE` to disable it. If sticky keys are - * enabled, a key press will ensure that @ref glfwGetKey returns `GLFW_PRESS` - * the next time it is called even if the key had been released before the - * call. This is useful when you are only interested in whether keys have been - * pressed but not when or in which order. - * - * If the mode is `GLFW_STICKY_MOUSE_BUTTONS`, the value must be either - * `GLFW_TRUE` to enable sticky mouse buttons, or `GLFW_FALSE` to disable it. - * If sticky mouse buttons are enabled, a mouse button press will ensure that - * @ref glfwGetMouseButton returns `GLFW_PRESS` the next time it is called even - * if the mouse button had been released before the call. This is useful when - * you are only interested in whether mouse buttons have been pressed but not - * when or in which order. - * - * If the mode is `GLFW_LOCK_KEY_MODS`, the value must be either `GLFW_TRUE` to - * enable lock key modifier bits, or `GLFW_FALSE` to disable them. If enabled, - * callbacks that receive modifier bits will also have the @ref - * GLFW_MOD_CAPS_LOCK bit set when the event was generated with Caps Lock on, - * and the @ref GLFW_MOD_NUM_LOCK bit when Num Lock was on. - * - * If the mode is `GLFW_RAW_MOUSE_MOTION`, the value must be either `GLFW_TRUE` - * to enable raw (unscaled and unaccelerated) mouse motion when the cursor is - * disabled, or `GLFW_FALSE` to disable it. If raw motion is not supported, - * attempting to set this will emit @ref GLFW_PLATFORM_ERROR. Call @ref - * glfwRawMouseMotionSupported to check for support. - * - * @param[in] window The window whose input mode to set. - * @param[in] mode One of `GLFW_CURSOR`, `GLFW_STICKY_KEYS`, - * `GLFW_STICKY_MOUSE_BUTTONS`, `GLFW_LOCK_KEY_MODS` or - * `GLFW_RAW_MOUSE_MOTION`. - * @param[in] value The new value of the specified input mode. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref glfwGetInputMode - * - * @since Added in version 3.0. Replaces `glfwEnable` and `glfwDisable`. - * - * @ingroup input - */ -GLFWAPI void glfwSetInputMode(GLFWwindow* window, int mode, int value); - -/*! @brief Returns whether raw mouse motion is supported. - * - * This function returns whether raw mouse motion is supported on the current - * system. This status does not change after GLFW has been initialized so you - * only need to check this once. If you attempt to enable raw motion on - * a system that does not support it, @ref GLFW_PLATFORM_ERROR will be emitted. - * - * Raw mouse motion is closer to the actual motion of the mouse across - * a surface. It is not affected by the scaling and acceleration applied to - * the motion of the desktop cursor. That processing is suitable for a cursor - * while raw motion is better for controlling for example a 3D camera. Because - * of this, raw mouse motion is only provided when the cursor is disabled. - * - * @return `GLFW_TRUE` if raw mouse motion is supported on the current machine, - * or `GLFW_FALSE` otherwise. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref raw_mouse_motion - * @sa @ref glfwSetInputMode - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI int glfwRawMouseMotionSupported(void); - -/*! @brief Returns the layout-specific name of the specified printable key. - * - * This function returns the name of the specified printable key, encoded as - * UTF-8. This is typically the character that key would produce without any - * modifier keys, intended for displaying key bindings to the user. For dead - * keys, it is typically the diacritic it would add to a character. - * - * __Do not use this function__ for [text input](@ref input_char). You will - * break text input for many languages even if it happens to work for yours. - * - * If the key is `GLFW_KEY_UNKNOWN`, the scancode is used to identify the key, - * otherwise the scancode is ignored. If you specify a non-printable key, or - * `GLFW_KEY_UNKNOWN` and a scancode that maps to a non-printable key, this - * function returns `NULL` but does not emit an error. - * - * This behavior allows you to always pass in the arguments in the - * [key callback](@ref input_key) without modification. - * - * The printable keys are: - * - `GLFW_KEY_APOSTROPHE` - * - `GLFW_KEY_COMMA` - * - `GLFW_KEY_MINUS` - * - `GLFW_KEY_PERIOD` - * - `GLFW_KEY_SLASH` - * - `GLFW_KEY_SEMICOLON` - * - `GLFW_KEY_EQUAL` - * - `GLFW_KEY_LEFT_BRACKET` - * - `GLFW_KEY_RIGHT_BRACKET` - * - `GLFW_KEY_BACKSLASH` - * - `GLFW_KEY_WORLD_1` - * - `GLFW_KEY_WORLD_2` - * - `GLFW_KEY_0` to `GLFW_KEY_9` - * - `GLFW_KEY_A` to `GLFW_KEY_Z` - * - `GLFW_KEY_KP_0` to `GLFW_KEY_KP_9` - * - `GLFW_KEY_KP_DECIMAL` - * - `GLFW_KEY_KP_DIVIDE` - * - `GLFW_KEY_KP_MULTIPLY` - * - `GLFW_KEY_KP_SUBTRACT` - * - `GLFW_KEY_KP_ADD` - * - `GLFW_KEY_KP_EQUAL` - * - * Names for printable keys depend on keyboard layout, while names for - * non-printable keys are the same across layouts but depend on the application - * language and should be localized along with other user interface text. - * - * @param[in] key The key to query, or `GLFW_KEY_UNKNOWN`. - * @param[in] scancode The scancode of the key to query. - * @return The UTF-8 encoded, layout-specific name of the key, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark The contents of the returned string may change when a keyboard - * layout change event is received. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref input_key_name - * - * @since Added in version 3.2. - * - * @ingroup input - */ -GLFWAPI const char* glfwGetKeyName(int key, int scancode); - -/*! @brief Returns the platform-specific scancode of the specified key. - * - * This function returns the platform-specific scancode of the specified key. - * - * If the key is `GLFW_KEY_UNKNOWN` or does not exist on the keyboard this - * method will return `-1`. - * - * @param[in] key Any [named key](@ref keys). - * @return The platform-specific scancode for the key, or `-1` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref input_key - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI int glfwGetKeyScancode(int key); - -/*! @brief Returns the last reported state of a keyboard key for the specified - * window. - * - * This function returns the last state reported for the specified key to the - * specified window. The returned state is one of `GLFW_PRESS` or - * `GLFW_RELEASE`. The higher-level action `GLFW_REPEAT` is only reported to - * the key callback. - * - * If the @ref GLFW_STICKY_KEYS input mode is enabled, this function returns - * `GLFW_PRESS` the first time you call it for a key that was pressed, even if - * that key has already been released. - * - * The key functions deal with physical keys, with [key tokens](@ref keys) - * named after their use on the standard US keyboard layout. If you want to - * input text, use the Unicode character callback instead. - * - * The [modifier key bit masks](@ref mods) are not key tokens and cannot be - * used with this function. - * - * __Do not use this function__ to implement [text input](@ref input_char). - * - * @param[in] window The desired window. - * @param[in] key The desired [keyboard key](@ref keys). `GLFW_KEY_UNKNOWN` is - * not a valid key for this function. - * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_ENUM. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref input_key - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup input - */ -GLFWAPI int glfwGetKey(GLFWwindow* window, int key); - -/*! @brief Returns the last reported state of a mouse button for the specified - * window. - * - * This function returns the last state reported for the specified mouse button - * to the specified window. The returned state is one of `GLFW_PRESS` or - * `GLFW_RELEASE`. - * - * If the @ref GLFW_STICKY_MOUSE_BUTTONS input mode is enabled, this function - * returns `GLFW_PRESS` the first time you call it for a mouse button that was - * pressed, even if that mouse button has already been released. - * - * @param[in] window The desired window. - * @param[in] button The desired [mouse button](@ref buttons). - * @return One of `GLFW_PRESS` or `GLFW_RELEASE`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_ENUM. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref input_mouse_button - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup input - */ -GLFWAPI int glfwGetMouseButton(GLFWwindow* window, int button); - -/*! @brief Retrieves the position of the cursor relative to the content area of - * the window. - * - * This function returns the position of the cursor, in screen coordinates, - * relative to the upper-left corner of the content area of the specified - * window. - * - * If the cursor is disabled (with `GLFW_CURSOR_DISABLED`) then the cursor - * position is unbounded and limited only by the minimum and maximum values of - * a `double`. - * - * The coordinate can be converted to their integer equivalents with the - * `floor` function. Casting directly to an integer type works for positive - * coordinates, but fails for negative ones. - * - * Any or all of the position arguments may be `NULL`. If an error occurs, all - * non-`NULL` position arguments will be set to zero. - * - * @param[in] window The desired window. - * @param[out] xpos Where to store the cursor x-coordinate, relative to the - * left edge of the content area, or `NULL`. - * @param[out] ypos Where to store the cursor y-coordinate, relative to the to - * top edge of the content area, or `NULL`. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_pos - * @sa @ref glfwSetCursorPos - * - * @since Added in version 3.0. Replaces `glfwGetMousePos`. - * - * @ingroup input - */ -GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos); - -/*! @brief Sets the position of the cursor, relative to the content area of the - * window. - * - * This function sets the position, in screen coordinates, of the cursor - * relative to the upper-left corner of the content area of the specified - * window. The window must have input focus. If the window does not have - * input focus when this function is called, it fails silently. - * - * __Do not use this function__ to implement things like camera controls. GLFW - * already provides the `GLFW_CURSOR_DISABLED` cursor mode that hides the - * cursor, transparently re-centers it and provides unconstrained cursor - * motion. See @ref glfwSetInputMode for more information. - * - * If the cursor mode is `GLFW_CURSOR_DISABLED` then the cursor position is - * unconstrained and limited only by the minimum and maximum values of - * a `double`. - * - * @param[in] window The desired window. - * @param[in] xpos The desired x-coordinate, relative to the left edge of the - * content area. - * @param[in] ypos The desired y-coordinate, relative to the top edge of the - * content area. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @remark @wayland This function will only work when the cursor mode is - * `GLFW_CURSOR_DISABLED`, otherwise it will do nothing. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_pos - * @sa @ref glfwGetCursorPos - * - * @since Added in version 3.0. Replaces `glfwSetMousePos`. - * - * @ingroup input - */ -GLFWAPI void glfwSetCursorPos(GLFWwindow* window, double xpos, double ypos); - -/*! @brief Creates a custom cursor. - * - * Creates a new custom cursor image that can be set for a window with @ref - * glfwSetCursor. The cursor can be destroyed with @ref glfwDestroyCursor. - * Any remaining cursors are destroyed by @ref glfwTerminate. - * - * The pixels are 32-bit, little-endian, non-premultiplied RGBA, i.e. eight - * bits per channel with the red channel first. They are arranged canonically - * as packed sequential rows, starting from the top-left corner. - * - * The cursor hotspot is specified in pixels, relative to the upper-left corner - * of the cursor image. Like all other coordinate systems in GLFW, the X-axis - * points to the right and the Y-axis points down. - * - * @param[in] image The desired cursor image. - * @param[in] xhot The desired x-coordinate, in pixels, of the cursor hotspot. - * @param[in] yhot The desired y-coordinate, in pixels, of the cursor hotspot. - * @return The handle of the created cursor, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The specified image data is copied before this function - * returns. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_object - * @sa @ref glfwDestroyCursor - * @sa @ref glfwCreateStandardCursor - * - * @since Added in version 3.1. - * - * @ingroup input - */ -GLFWAPI GLFWcursor* glfwCreateCursor(const GLFWimage* image, int xhot, int yhot); - -/*! @brief Creates a cursor with a standard shape. - * - * Returns a cursor with a [standard shape](@ref shapes), that can be set for - * a window with @ref glfwSetCursor. - * - * @param[in] shape One of the [standard shapes](@ref shapes). - * @return A new cursor ready to use or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_object - * @sa @ref glfwCreateCursor - * - * @since Added in version 3.1. - * - * @ingroup input - */ -GLFWAPI GLFWcursor* glfwCreateStandardCursor(int shape); - -/*! @brief Destroys a cursor. - * - * This function destroys a cursor previously created with @ref - * glfwCreateCursor. Any remaining cursors will be destroyed by @ref - * glfwTerminate. - * - * If the specified cursor is current for any window, that window will be - * reverted to the default cursor. This does not affect the cursor mode. - * - * @param[in] cursor The cursor object to destroy. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @reentrancy This function must not be called from a callback. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_object - * @sa @ref glfwCreateCursor - * - * @since Added in version 3.1. - * - * @ingroup input - */ -GLFWAPI void glfwDestroyCursor(GLFWcursor* cursor); - -/*! @brief Sets the cursor for the window. - * - * This function sets the cursor image to be used when the cursor is over the - * content area of the specified window. The set cursor will only be visible - * when the [cursor mode](@ref cursor_mode) of the window is - * `GLFW_CURSOR_NORMAL`. - * - * On some platforms, the set cursor may not be visible unless the window also - * has input focus. - * - * @param[in] window The window to set the cursor for. - * @param[in] cursor The cursor to set, or `NULL` to switch back to the default - * arrow cursor. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_object - * - * @since Added in version 3.1. - * - * @ingroup input - */ -GLFWAPI void glfwSetCursor(GLFWwindow* window, GLFWcursor* cursor); - -/*! @brief Sets the key callback. - * - * This function sets the key callback of the specified window, which is called - * when a key is pressed, repeated or released. - * - * The key functions deal with physical keys, with layout independent - * [key tokens](@ref keys) named after their values in the standard US keyboard - * layout. If you want to input text, use the - * [character callback](@ref glfwSetCharCallback) instead. - * - * When a window loses input focus, it will generate synthetic key release - * events for all pressed keys. You can tell these events from user-generated - * events by the fact that the synthetic ones are generated after the focus - * loss event has been processed, i.e. after the - * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. - * - * The scancode of a key is specific to that platform or sometimes even to that - * machine. Scancodes are intended to allow users to bind keys that don't have - * a GLFW key token. Such keys have `key` set to `GLFW_KEY_UNKNOWN`, their - * state is not saved and so it cannot be queried with @ref glfwGetKey. - * - * Sometimes GLFW needs to generate synthetic key events, in which case the - * scancode may be zero. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new key callback, or `NULL` to remove the currently - * set callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int key, int scancode, int action, int mods) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWkeyfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref input_key - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter and return value. - * - * @ingroup input - */ -GLFWAPI GLFWkeyfun glfwSetKeyCallback(GLFWwindow* window, GLFWkeyfun callback); - -/*! @brief Sets the Unicode character callback. - * - * This function sets the character callback of the specified window, which is - * called when a Unicode character is input. - * - * The character callback is intended for Unicode text input. As it deals with - * characters, it is keyboard layout dependent, whereas the - * [key callback](@ref glfwSetKeyCallback) is not. Characters do not map 1:1 - * to physical keys, as a key may produce zero, one or more characters. If you - * want to know whether a specific physical key was pressed or released, see - * the key callback instead. - * - * The character callback behaves as system text input normally does and will - * not be called if modifier keys are held down that would prevent normal text - * input on that platform, for example a Super (Command) key on macOS or Alt key - * on Windows. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, unsigned int codepoint) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWcharfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref input_char - * - * @since Added in version 2.4. - * @glfw3 Added window handle parameter and return value. - * - * @ingroup input - */ -GLFWAPI GLFWcharfun glfwSetCharCallback(GLFWwindow* window, GLFWcharfun callback); - -/*! @brief Sets the Unicode character with modifiers callback. - * - * This function sets the character with modifiers callback of the specified - * window, which is called when a Unicode character is input regardless of what - * modifier keys are used. - * - * The character with modifiers callback is intended for implementing custom - * Unicode character input. For regular Unicode text input, see the - * [character callback](@ref glfwSetCharCallback). Like the character - * callback, the character with modifiers callback deals with characters and is - * keyboard layout dependent. Characters do not map 1:1 to physical keys, as - * a key may produce zero, one or more characters. If you want to know whether - * a specific physical key was pressed or released, see the - * [key callback](@ref glfwSetKeyCallback) instead. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or an - * [error](@ref error_handling) occurred. - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, unsigned int codepoint, int mods) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWcharmodsfun). - * - * @deprecated Scheduled for removal in version 4.0. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref input_char - * - * @since Added in version 3.1. - * - * @ingroup input - */ -GLFWAPI GLFWcharmodsfun glfwSetCharModsCallback(GLFWwindow* window, GLFWcharmodsfun callback); - -/*! @brief Sets the mouse button callback. - * - * This function sets the mouse button callback of the specified window, which - * is called when a mouse button is pressed or released. - * - * When a window loses input focus, it will generate synthetic mouse button - * release events for all pressed mouse buttons. You can tell these events - * from user-generated events by the fact that the synthetic ones are generated - * after the focus loss event has been processed, i.e. after the - * [window focus callback](@ref glfwSetWindowFocusCallback) has been called. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int button, int action, int mods) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWmousebuttonfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref input_mouse_button - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter and return value. - * - * @ingroup input - */ -GLFWAPI GLFWmousebuttonfun glfwSetMouseButtonCallback(GLFWwindow* window, GLFWmousebuttonfun callback); - -/*! @brief Sets the cursor position callback. - * - * This function sets the cursor position callback of the specified window, - * which is called when the cursor is moved. The callback is provided with the - * position, in screen coordinates, relative to the upper-left corner of the - * content area of the window. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, double xpos, double ypos); - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWcursorposfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_pos - * - * @since Added in version 3.0. Replaces `glfwSetMousePosCallback`. - * - * @ingroup input - */ -GLFWAPI GLFWcursorposfun glfwSetCursorPosCallback(GLFWwindow* window, GLFWcursorposfun callback); - -/*! @brief Sets the cursor enter/leave callback. - * - * This function sets the cursor boundary crossing callback of the specified - * window, which is called when the cursor enters or leaves the content area of - * the window. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int entered) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWcursorenterfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref cursor_enter - * - * @since Added in version 3.0. - * - * @ingroup input - */ -GLFWAPI GLFWcursorenterfun glfwSetCursorEnterCallback(GLFWwindow* window, GLFWcursorenterfun callback); - -/*! @brief Sets the scroll callback. - * - * This function sets the scroll callback of the specified window, which is - * called when a scrolling device is used, such as a mouse wheel or scrolling - * area of a touchpad. - * - * The scroll callback receives all scrolling input, like that from a mouse - * wheel or a touchpad scrolling area. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new scroll callback, or `NULL` to remove the - * currently set callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, double xoffset, double yoffset) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWscrollfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref scrolling - * - * @since Added in version 3.0. Replaces `glfwSetMouseWheelCallback`. - * - * @ingroup input - */ -GLFWAPI GLFWscrollfun glfwSetScrollCallback(GLFWwindow* window, GLFWscrollfun callback); - -/*! @brief Sets the path drop callback. - * - * This function sets the path drop callback of the specified window, which is - * called when one or more dragged paths are dropped on the window. - * - * Because the path array and its strings may have been generated specifically - * for that event, they are not guaranteed to be valid after the callback has - * returned. If you wish to use them after the callback returns, you need to - * make a deep copy. - * - * @param[in] window The window whose callback to set. - * @param[in] callback The new file drop callback, or `NULL` to remove the - * currently set callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(GLFWwindow* window, int path_count, const char* paths[]) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWdropfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @remark @wayland File drop is currently unimplemented. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref path_drop - * - * @since Added in version 3.1. - * - * @ingroup input - */ -GLFWAPI GLFWdropfun glfwSetDropCallback(GLFWwindow* window, GLFWdropfun callback); - -/*! @brief Returns whether the specified joystick is present. - * - * This function returns whether the specified joystick is present. - * - * There is no need to call this function before other functions that accept - * a joystick ID, as they all check for presence before performing any other - * work. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @return `GLFW_TRUE` if the joystick is present, or `GLFW_FALSE` otherwise. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref joystick - * - * @since Added in version 3.0. Replaces `glfwGetJoystickParam`. - * - * @ingroup input - */ -GLFWAPI int glfwJoystickPresent(int jid); - -/*! @brief Returns the values of all axes of the specified joystick. - * - * This function returns the values of all axes of the specified joystick. - * Each element in the array is a value between -1.0 and 1.0. - * - * If the specified joystick is not present this function will return `NULL` - * but will not generate an error. This can be used instead of first calling - * @ref glfwJoystickPresent. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @param[out] count Where to store the number of axis values in the returned - * array. This is set to zero if the joystick is not present or an error - * occurred. - * @return An array of axis values, or `NULL` if the joystick is not present or - * an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned array is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified joystick is - * disconnected or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref joystick_axis - * - * @since Added in version 3.0. Replaces `glfwGetJoystickPos`. - * - * @ingroup input - */ -GLFWAPI const float* glfwGetJoystickAxes(int jid, int* count); - -/*! @brief Returns the state of all buttons of the specified joystick. - * - * This function returns the state of all buttons of the specified joystick. - * Each element in the array is either `GLFW_PRESS` or `GLFW_RELEASE`. - * - * For backward compatibility with earlier versions that did not have @ref - * glfwGetJoystickHats, the button array also includes all hats, each - * represented as four buttons. The hats are in the same order as returned by - * __glfwGetJoystickHats__ and are in the order _up_, _right_, _down_ and - * _left_. To disable these extra buttons, set the @ref - * GLFW_JOYSTICK_HAT_BUTTONS init hint before initialization. - * - * If the specified joystick is not present this function will return `NULL` - * but will not generate an error. This can be used instead of first calling - * @ref glfwJoystickPresent. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @param[out] count Where to store the number of button states in the returned - * array. This is set to zero if the joystick is not present or an error - * occurred. - * @return An array of button states, or `NULL` if the joystick is not present - * or an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned array is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified joystick is - * disconnected or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref joystick_button - * - * @since Added in version 2.2. - * @glfw3 Changed to return a dynamic array. - * - * @ingroup input - */ -GLFWAPI const unsigned char* glfwGetJoystickButtons(int jid, int* count); - -/*! @brief Returns the state of all hats of the specified joystick. - * - * This function returns the state of all hats of the specified joystick. - * Each element in the array is one of the following values: - * - * Name | Value - * ---- | ----- - * `GLFW_HAT_CENTERED` | 0 - * `GLFW_HAT_UP` | 1 - * `GLFW_HAT_RIGHT` | 2 - * `GLFW_HAT_DOWN` | 4 - * `GLFW_HAT_LEFT` | 8 - * `GLFW_HAT_RIGHT_UP` | `GLFW_HAT_RIGHT` \| `GLFW_HAT_UP` - * `GLFW_HAT_RIGHT_DOWN` | `GLFW_HAT_RIGHT` \| `GLFW_HAT_DOWN` - * `GLFW_HAT_LEFT_UP` | `GLFW_HAT_LEFT` \| `GLFW_HAT_UP` - * `GLFW_HAT_LEFT_DOWN` | `GLFW_HAT_LEFT` \| `GLFW_HAT_DOWN` - * - * The diagonal directions are bitwise combinations of the primary (up, right, - * down and left) directions and you can test for these individually by ANDing - * it with the corresponding direction. - * - * @code - * if (hats[2] & GLFW_HAT_RIGHT) - * { - * // State of hat 2 could be right-up, right or right-down - * } - * @endcode - * - * If the specified joystick is not present this function will return `NULL` - * but will not generate an error. This can be used instead of first calling - * @ref glfwJoystickPresent. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @param[out] count Where to store the number of hat states in the returned - * array. This is set to zero if the joystick is not present or an error - * occurred. - * @return An array of hat states, or `NULL` if the joystick is not present - * or an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned array is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified joystick is - * disconnected, this function is called again for that joystick or the library - * is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref joystick_hat - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI const unsigned char* glfwGetJoystickHats(int jid, int* count); - -/*! @brief Returns the name of the specified joystick. - * - * This function returns the name, encoded as UTF-8, of the specified joystick. - * The returned string is allocated and freed by GLFW. You should not free it - * yourself. - * - * If the specified joystick is not present this function will return `NULL` - * but will not generate an error. This can be used instead of first calling - * @ref glfwJoystickPresent. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @return The UTF-8 encoded name of the joystick, or `NULL` if the joystick - * is not present or an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified joystick is - * disconnected or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref joystick_name - * - * @since Added in version 3.0. - * - * @ingroup input - */ -GLFWAPI const char* glfwGetJoystickName(int jid); - -/*! @brief Returns the SDL compatible GUID of the specified joystick. - * - * This function returns the SDL compatible GUID, as a UTF-8 encoded - * hexadecimal string, of the specified joystick. The returned string is - * allocated and freed by GLFW. You should not free it yourself. - * - * The GUID is what connects a joystick to a gamepad mapping. A connected - * joystick will always have a GUID even if there is no gamepad mapping - * assigned to it. - * - * If the specified joystick is not present this function will return `NULL` - * but will not generate an error. This can be used instead of first calling - * @ref glfwJoystickPresent. - * - * The GUID uses the format introduced in SDL 2.0.5. This GUID tries to - * uniquely identify the make and model of a joystick but does not identify - * a specific unit, e.g. all wired Xbox 360 controllers will have the same - * GUID on that platform. The GUID for a unit may vary between platforms - * depending on what hardware information the platform specific APIs provide. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @return The UTF-8 encoded GUID of the joystick, or `NULL` if the joystick - * is not present or an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_INVALID_ENUM and @ref GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified joystick is - * disconnected or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref gamepad - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI const char* glfwGetJoystickGUID(int jid); - -/*! @brief Sets the user pointer of the specified joystick. - * - * This function sets the user-defined pointer of the specified joystick. The - * current value is retained until the joystick is disconnected. The initial - * value is `NULL`. - * - * This function may be called from the joystick callback, even for a joystick - * that is being disconnected. - * - * @param[in] jid The joystick whose pointer to set. - * @param[in] pointer The new value. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref joystick_userptr - * @sa @ref glfwGetJoystickUserPointer - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI void glfwSetJoystickUserPointer(int jid, void* pointer); - -/*! @brief Returns the user pointer of the specified joystick. - * - * This function returns the current value of the user-defined pointer of the - * specified joystick. The initial value is `NULL`. - * - * This function may be called from the joystick callback, even for a joystick - * that is being disconnected. - * - * @param[in] jid The joystick whose pointer to return. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @sa @ref joystick_userptr - * @sa @ref glfwSetJoystickUserPointer - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI void* glfwGetJoystickUserPointer(int jid); - -/*! @brief Returns whether the specified joystick has a gamepad mapping. - * - * This function returns whether the specified joystick is both present and has - * a gamepad mapping. - * - * If the specified joystick is present but does not have a gamepad mapping - * this function will return `GLFW_FALSE` but will not generate an error. Call - * @ref glfwJoystickPresent to check if a joystick is present regardless of - * whether it has a mapping. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @return `GLFW_TRUE` if a joystick is both present and has a gamepad mapping, - * or `GLFW_FALSE` otherwise. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_ENUM. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref gamepad - * @sa @ref glfwGetGamepadState - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI int glfwJoystickIsGamepad(int jid); - -/*! @brief Sets the joystick configuration callback. - * - * This function sets the joystick configuration callback, or removes the - * currently set callback. This is called when a joystick is connected to or - * disconnected from the system. - * - * For joystick connection and disconnection events to be delivered on all - * platforms, you need to call one of the [event processing](@ref events) - * functions. Joystick disconnection may also be detected and the callback - * called by joystick functions. The function will then return whatever it - * returns if the joystick is not present. - * - * @param[in] callback The new callback, or `NULL` to remove the currently set - * callback. - * @return The previously set callback, or `NULL` if no callback was set or the - * library had not been [initialized](@ref intro_init). - * - * @callback_signature - * @code - * void function_name(int jid, int event) - * @endcode - * For more information about the callback parameters, see the - * [function pointer type](@ref GLFWjoystickfun). - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref joystick_event - * - * @since Added in version 3.2. - * - * @ingroup input - */ -GLFWAPI GLFWjoystickfun glfwSetJoystickCallback(GLFWjoystickfun callback); - -/*! @brief Adds the specified SDL_GameControllerDB gamepad mappings. - * - * This function parses the specified ASCII encoded string and updates the - * internal list with any gamepad mappings it finds. This string may - * contain either a single gamepad mapping or many mappings separated by - * newlines. The parser supports the full format of the `gamecontrollerdb.txt` - * source file including empty lines and comments. - * - * See @ref gamepad_mapping for a description of the format. - * - * If there is already a gamepad mapping for a given GUID in the internal list, - * it will be replaced by the one passed to this function. If the library is - * terminated and re-initialized the internal list will revert to the built-in - * default. - * - * @param[in] string The string containing the gamepad mappings. - * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_VALUE. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref gamepad - * @sa @ref glfwJoystickIsGamepad - * @sa @ref glfwGetGamepadName - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI int glfwUpdateGamepadMappings(const char* string); - -/*! @brief Returns the human-readable gamepad name for the specified joystick. - * - * This function returns the human-readable name of the gamepad from the - * gamepad mapping assigned to the specified joystick. - * - * If the specified joystick is not present or does not have a gamepad mapping - * this function will return `NULL` but will not generate an error. Call - * @ref glfwJoystickPresent to check whether it is present regardless of - * whether it has a mapping. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @return The UTF-8 encoded name of the gamepad, or `NULL` if the - * joystick is not present, does not have a mapping or an - * [error](@ref error_handling) occurred. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the specified joystick is - * disconnected, the gamepad mappings are updated or the library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref gamepad - * @sa @ref glfwJoystickIsGamepad - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI const char* glfwGetGamepadName(int jid); - -/*! @brief Retrieves the state of the specified joystick remapped as a gamepad. - * - * This function retrieves the state of the specified joystick remapped to - * an Xbox-like gamepad. - * - * If the specified joystick is not present or does not have a gamepad mapping - * this function will return `GLFW_FALSE` but will not generate an error. Call - * @ref glfwJoystickPresent to check whether it is present regardless of - * whether it has a mapping. - * - * The Guide button may not be available for input as it is often hooked by the - * system or the Steam client. - * - * Not all devices have all the buttons or axes provided by @ref - * GLFWgamepadstate. Unavailable buttons and axes will always report - * `GLFW_RELEASE` and 0.0 respectively. - * - * @param[in] jid The [joystick](@ref joysticks) to query. - * @param[out] state The gamepad input state of the joystick. - * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if no joystick is - * connected, it has no gamepad mapping or an [error](@ref error_handling) - * occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_ENUM. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref gamepad - * @sa @ref glfwUpdateGamepadMappings - * @sa @ref glfwJoystickIsGamepad - * - * @since Added in version 3.3. - * - * @ingroup input - */ -GLFWAPI int glfwGetGamepadState(int jid, GLFWgamepadstate* state); - -/*! @brief Sets the clipboard to the specified string. - * - * This function sets the system clipboard to the specified, UTF-8 encoded - * string. - * - * @param[in] window Deprecated. Any valid window or `NULL`. - * @param[in] string A UTF-8 encoded string. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The specified string is copied before this function - * returns. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref clipboard - * @sa @ref glfwGetClipboardString - * - * @since Added in version 3.0. - * - * @ingroup input - */ -GLFWAPI void glfwSetClipboardString(GLFWwindow* window, const char* string); - -/*! @brief Returns the contents of the clipboard as a string. - * - * This function returns the contents of the system clipboard, if it contains - * or is convertible to a UTF-8 encoded string. If the clipboard is empty or - * if its contents cannot be converted, `NULL` is returned and a @ref - * GLFW_FORMAT_UNAVAILABLE error is generated. - * - * @param[in] window Deprecated. Any valid window or `NULL`. - * @return The contents of the clipboard as a UTF-8 encoded string, or `NULL` - * if an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the next call to @ref - * glfwGetClipboardString or @ref glfwSetClipboardString, or until the library - * is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref clipboard - * @sa @ref glfwSetClipboardString - * - * @since Added in version 3.0. - * - * @ingroup input - */ -GLFWAPI const char* glfwGetClipboardString(GLFWwindow* window); - -/*! @brief Returns the GLFW time. - * - * This function returns the current GLFW time, in seconds. Unless the time - * has been set using @ref glfwSetTime it measures time elapsed since GLFW was - * initialized. - * - * This function and @ref glfwSetTime are helper functions on top of @ref - * glfwGetTimerFrequency and @ref glfwGetTimerValue. - * - * The resolution of the timer is system dependent, but is usually on the order - * of a few micro- or nanoseconds. It uses the highest-resolution monotonic - * time source on each supported platform. - * - * @return The current time, in seconds, or zero if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. Reading and - * writing of the internal base time is not atomic, so it needs to be - * externally synchronized with calls to @ref glfwSetTime. - * - * @sa @ref time - * - * @since Added in version 1.0. - * - * @ingroup input - */ -GLFWAPI double glfwGetTime(void); - -/*! @brief Sets the GLFW time. - * - * This function sets the current GLFW time, in seconds. The value must be - * a positive finite number less than or equal to 18446744073.0, which is - * approximately 584.5 years. - * - * This function and @ref glfwGetTime are helper functions on top of @ref - * glfwGetTimerFrequency and @ref glfwGetTimerValue. - * - * @param[in] time The new value, in seconds. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_INVALID_VALUE. - * - * @remark The upper limit of GLFW time is calculated as - * floor((264 - 1) / 109) and is due to implementations - * storing nanoseconds in 64 bits. The limit may be increased in the future. - * - * @thread_safety This function may be called from any thread. Reading and - * writing of the internal base time is not atomic, so it needs to be - * externally synchronized with calls to @ref glfwGetTime. - * - * @sa @ref time - * - * @since Added in version 2.2. - * - * @ingroup input - */ -GLFWAPI void glfwSetTime(double time); - -/*! @brief Returns the current value of the raw timer. - * - * This function returns the current value of the raw timer, measured in - * 1 / frequency seconds. To get the frequency, call @ref - * glfwGetTimerFrequency. - * - * @return The value of the timer, or zero if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref time - * @sa @ref glfwGetTimerFrequency - * - * @since Added in version 3.2. - * - * @ingroup input - */ -GLFWAPI uint64_t glfwGetTimerValue(void); - -/*! @brief Returns the frequency, in Hz, of the raw timer. - * - * This function returns the frequency, in Hz, of the raw timer. - * - * @return The frequency of the timer, in Hz, or zero if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref time - * @sa @ref glfwGetTimerValue - * - * @since Added in version 3.2. - * - * @ingroup input - */ -GLFWAPI uint64_t glfwGetTimerFrequency(void); - -/*! @brief Makes the context of the specified window current for the calling - * thread. - * - * This function makes the OpenGL or OpenGL ES context of the specified window - * current on the calling thread. A context must only be made current on - * a single thread at a time and each thread can have only a single current - * context at a time. - * - * When moving a context between threads, you must make it non-current on the - * old thread before making it current on the new one. - * - * By default, making a context non-current implicitly forces a pipeline flush. - * On machines that support `GL_KHR_context_flush_control`, you can control - * whether a context performs this flush by setting the - * [GLFW_CONTEXT_RELEASE_BEHAVIOR](@ref GLFW_CONTEXT_RELEASE_BEHAVIOR_hint) - * hint. - * - * The specified window must have an OpenGL or OpenGL ES context. Specifying - * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT - * error. - * - * @param[in] window The window whose context to make current, or `NULL` to - * detach the current context. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref context_current - * @sa @ref glfwGetCurrentContext - * - * @since Added in version 3.0. - * - * @ingroup context - */ -GLFWAPI void glfwMakeContextCurrent(GLFWwindow* window); - -/*! @brief Returns the window whose context is current on the calling thread. - * - * This function returns the window whose OpenGL or OpenGL ES context is - * current on the calling thread. - * - * @return The window whose context is current, or `NULL` if no window's - * context is current. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref context_current - * @sa @ref glfwMakeContextCurrent - * - * @since Added in version 3.0. - * - * @ingroup context - */ -GLFWAPI GLFWwindow* glfwGetCurrentContext(void); - -/*! @brief Swaps the front and back buffers of the specified window. - * - * This function swaps the front and back buffers of the specified window when - * rendering with OpenGL or OpenGL ES. If the swap interval is greater than - * zero, the GPU driver waits the specified number of screen updates before - * swapping the buffers. - * - * The specified window must have an OpenGL or OpenGL ES context. Specifying - * a window without a context will generate a @ref GLFW_NO_WINDOW_CONTEXT - * error. - * - * This function does not apply to Vulkan. If you are rendering with Vulkan, - * see `vkQueuePresentKHR` instead. - * - * @param[in] window The window whose buffers to swap. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_ERROR. - * - * @remark __EGL:__ The context of the specified window must be current on the - * calling thread. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref buffer_swap - * @sa @ref glfwSwapInterval - * - * @since Added in version 1.0. - * @glfw3 Added window handle parameter. - * - * @ingroup window - */ -GLFWAPI void glfwSwapBuffers(GLFWwindow* window); - -/*! @brief Sets the swap interval for the current context. - * - * This function sets the swap interval for the current OpenGL or OpenGL ES - * context, i.e. the number of screen updates to wait from the time @ref - * glfwSwapBuffers was called before swapping the buffers and returning. This - * is sometimes called _vertical synchronization_, _vertical retrace - * synchronization_ or just _vsync_. - * - * A context that supports either of the `WGL_EXT_swap_control_tear` and - * `GLX_EXT_swap_control_tear` extensions also accepts _negative_ swap - * intervals, which allows the driver to swap immediately even if a frame - * arrives a little bit late. You can check for these extensions with @ref - * glfwExtensionSupported. - * - * A context must be current on the calling thread. Calling this function - * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. - * - * This function does not apply to Vulkan. If you are rendering with Vulkan, - * see the present mode of your swapchain instead. - * - * @param[in] interval The minimum number of screen updates to wait for - * until the buffers are swapped by @ref glfwSwapBuffers. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. - * - * @remark This function is not called during context creation, leaving the - * swap interval set to whatever is the default on that platform. This is done - * because some swap interval extensions used by GLFW do not allow the swap - * interval to be reset to zero once it has been set to a non-zero value. - * - * @remark Some GPU drivers do not honor the requested swap interval, either - * because of a user setting that overrides the application's request or due to - * bugs in the driver. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref buffer_swap - * @sa @ref glfwSwapBuffers - * - * @since Added in version 1.0. - * - * @ingroup context - */ -GLFWAPI void glfwSwapInterval(int interval); - -/*! @brief Returns whether the specified extension is available. - * - * This function returns whether the specified - * [API extension](@ref context_glext) is supported by the current OpenGL or - * OpenGL ES context. It searches both for client API extension and context - * creation API extensions. - * - * A context must be current on the calling thread. Calling this function - * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. - * - * As this functions retrieves and searches one or more extension strings each - * call, it is recommended that you cache its results if it is going to be used - * frequently. The extension strings will not change during the lifetime of - * a context, so there is no danger in doing this. - * - * This function does not apply to Vulkan. If you are using Vulkan, see @ref - * glfwGetRequiredInstanceExtensions, `vkEnumerateInstanceExtensionProperties` - * and `vkEnumerateDeviceExtensionProperties` instead. - * - * @param[in] extension The ASCII encoded name of the extension. - * @return `GLFW_TRUE` if the extension is available, or `GLFW_FALSE` - * otherwise. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_NO_CURRENT_CONTEXT, @ref GLFW_INVALID_VALUE and @ref - * GLFW_PLATFORM_ERROR. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref context_glext - * @sa @ref glfwGetProcAddress - * - * @since Added in version 1.0. - * - * @ingroup context - */ -GLFWAPI int glfwExtensionSupported(const char* extension); - -/*! @brief Returns the address of the specified function for the current - * context. - * - * This function returns the address of the specified OpenGL or OpenGL ES - * [core or extension function](@ref context_glext), if it is supported - * by the current context. - * - * A context must be current on the calling thread. Calling this function - * without a current context will cause a @ref GLFW_NO_CURRENT_CONTEXT error. - * - * This function does not apply to Vulkan. If you are rendering with Vulkan, - * see @ref glfwGetInstanceProcAddress, `vkGetInstanceProcAddr` and - * `vkGetDeviceProcAddr` instead. - * - * @param[in] procname The ASCII encoded name of the function. - * @return The address of the function, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_NO_CURRENT_CONTEXT and @ref GLFW_PLATFORM_ERROR. - * - * @remark The address of a given function is not guaranteed to be the same - * between contexts. - * - * @remark This function may return a non-`NULL` address despite the - * associated version or extension not being available. Always check the - * context version or extension string first. - * - * @pointer_lifetime The returned function pointer is valid until the context - * is destroyed or the library is terminated. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref context_glext - * @sa @ref glfwExtensionSupported - * - * @since Added in version 1.0. - * - * @ingroup context - */ -GLFWAPI GLFWglproc glfwGetProcAddress(const char* procname); - -/*! @brief Returns whether the Vulkan loader and an ICD have been found. - * - * This function returns whether the Vulkan loader and any minimally functional - * ICD have been found. - * - * The availability of a Vulkan loader and even an ICD does not by itself - * guarantee that surface creation or even instance creation is possible. - * For example, on Fermi systems Nvidia will install an ICD that provides no - * actual Vulkan support. Call @ref glfwGetRequiredInstanceExtensions to check - * whether the extensions necessary for Vulkan surface creation are available - * and @ref glfwGetPhysicalDevicePresentationSupport to check whether a queue - * family of a physical device supports image presentation. - * - * @return `GLFW_TRUE` if Vulkan is minimally available, or `GLFW_FALSE` - * otherwise. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref vulkan_support - * - * @since Added in version 3.2. - * - * @ingroup vulkan - */ -GLFWAPI int glfwVulkanSupported(void); - -/*! @brief Returns the Vulkan instance extensions required by GLFW. - * - * This function returns an array of names of Vulkan instance extensions required - * by GLFW for creating Vulkan surfaces for GLFW windows. If successful, the - * list will always contain `VK_KHR_surface`, so if you don't require any - * additional extensions you can pass this list directly to the - * `VkInstanceCreateInfo` struct. - * - * If Vulkan is not available on the machine, this function returns `NULL` and - * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported - * to check whether Vulkan is at least minimally available. - * - * If Vulkan is available but no set of extensions allowing window surface - * creation was found, this function returns `NULL`. You may still use Vulkan - * for off-screen rendering and compute work. - * - * @param[out] count Where to store the number of extensions in the returned - * array. This is set to zero if an error occurred. - * @return An array of ASCII encoded extension names, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_API_UNAVAILABLE. - * - * @remark Additional extensions may be required by future versions of GLFW. - * You should check if any extensions you wish to enable are already in the - * returned array, as it is an error to specify an extension more than once in - * the `VkInstanceCreateInfo` struct. - * - * @remark @macos This function currently supports either the - * `VK_MVK_macos_surface` extension from MoltenVK or `VK_EXT_metal_surface` - * extension. - * - * @pointer_lifetime The returned array is allocated and freed by GLFW. You - * should not free it yourself. It is guaranteed to be valid only until the - * library is terminated. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref vulkan_ext - * @sa @ref glfwCreateWindowSurface - * - * @since Added in version 3.2. - * - * @ingroup vulkan - */ -GLFWAPI const char** glfwGetRequiredInstanceExtensions(uint32_t* count); - -#if defined(VK_VERSION_1_0) - -/*! @brief Returns the address of the specified Vulkan instance function. - * - * This function returns the address of the specified Vulkan core or extension - * function for the specified instance. If instance is set to `NULL` it can - * return any function exported from the Vulkan loader, including at least the - * following functions: - * - * - `vkEnumerateInstanceExtensionProperties` - * - `vkEnumerateInstanceLayerProperties` - * - `vkCreateInstance` - * - `vkGetInstanceProcAddr` - * - * If Vulkan is not available on the machine, this function returns `NULL` and - * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported - * to check whether Vulkan is at least minimally available. - * - * This function is equivalent to calling `vkGetInstanceProcAddr` with - * a platform-specific query of the Vulkan loader as a fallback. - * - * @param[in] instance The Vulkan instance to query, or `NULL` to retrieve - * functions related to instance creation. - * @param[in] procname The ASCII encoded name of the function. - * @return The address of the function, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_API_UNAVAILABLE. - * - * @pointer_lifetime The returned function pointer is valid until the library - * is terminated. - * - * @thread_safety This function may be called from any thread. - * - * @sa @ref vulkan_proc - * - * @since Added in version 3.2. - * - * @ingroup vulkan - */ -GLFWAPI GLFWvkproc glfwGetInstanceProcAddress(VkInstance instance, const char* procname); - -/*! @brief Returns whether the specified queue family can present images. - * - * This function returns whether the specified queue family of the specified - * physical device supports presentation to the platform GLFW was built for. - * - * If Vulkan or the required window surface creation instance extensions are - * not available on the machine, or if the specified instance was not created - * with the required extensions, this function returns `GLFW_FALSE` and - * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported - * to check whether Vulkan is at least minimally available and @ref - * glfwGetRequiredInstanceExtensions to check what instance extensions are - * required. - * - * @param[in] instance The instance that the physical device belongs to. - * @param[in] device The physical device that the queue family belongs to. - * @param[in] queuefamily The index of the queue family to query. - * @return `GLFW_TRUE` if the queue family supports presentation, or - * `GLFW_FALSE` otherwise. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_API_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. - * - * @remark @macos This function currently always returns `GLFW_TRUE`, as the - * `VK_MVK_macos_surface` extension does not provide - * a `vkGetPhysicalDevice*PresentationSupport` type function. - * - * @thread_safety This function may be called from any thread. For - * synchronization details of Vulkan objects, see the Vulkan specification. - * - * @sa @ref vulkan_present - * - * @since Added in version 3.2. - * - * @ingroup vulkan - */ -GLFWAPI int glfwGetPhysicalDevicePresentationSupport(VkInstance instance, VkPhysicalDevice device, uint32_t queuefamily); - -/*! @brief Creates a Vulkan surface for the specified window. - * - * This function creates a Vulkan surface for the specified window. - * - * If the Vulkan loader or at least one minimally functional ICD were not found, - * this function returns `VK_ERROR_INITIALIZATION_FAILED` and generates a @ref - * GLFW_API_UNAVAILABLE error. Call @ref glfwVulkanSupported to check whether - * Vulkan is at least minimally available. - * - * If the required window surface creation instance extensions are not - * available or if the specified instance was not created with these extensions - * enabled, this function returns `VK_ERROR_EXTENSION_NOT_PRESENT` and - * generates a @ref GLFW_API_UNAVAILABLE error. Call @ref - * glfwGetRequiredInstanceExtensions to check what instance extensions are - * required. - * - * The window surface cannot be shared with another API so the window must - * have been created with the [client api hint](@ref GLFW_CLIENT_API_attrib) - * set to `GLFW_NO_API` otherwise it generates a @ref GLFW_INVALID_VALUE error - * and returns `VK_ERROR_NATIVE_WINDOW_IN_USE_KHR`. - * - * The window surface must be destroyed before the specified Vulkan instance. - * It is the responsibility of the caller to destroy the window surface. GLFW - * does not destroy it for you. Call `vkDestroySurfaceKHR` to destroy the - * surface. - * - * @param[in] instance The Vulkan instance to create the surface in. - * @param[in] window The window to create the surface for. - * @param[in] allocator The allocator to use, or `NULL` to use the default - * allocator. - * @param[out] surface Where to store the handle of the surface. This is set - * to `VK_NULL_HANDLE` if an error occurred. - * @return `VK_SUCCESS` if successful, or a Vulkan error code if an - * [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref - * GLFW_API_UNAVAILABLE, @ref GLFW_PLATFORM_ERROR and @ref GLFW_INVALID_VALUE - * - * @remark If an error occurs before the creation call is made, GLFW returns - * the Vulkan error code most appropriate for the error. Appropriate use of - * @ref glfwVulkanSupported and @ref glfwGetRequiredInstanceExtensions should - * eliminate almost all occurrences of these errors. - * - * @remark @macos This function currently only supports the - * `VK_MVK_macos_surface` extension from MoltenVK. - * - * @remark @macos This function creates and sets a `CAMetalLayer` instance for - * the window content view, which is required for MoltenVK to function. - * - * @thread_safety This function may be called from any thread. For - * synchronization details of Vulkan objects, see the Vulkan specification. - * - * @sa @ref vulkan_surface - * @sa @ref glfwGetRequiredInstanceExtensions - * - * @since Added in version 3.2. - * - * @ingroup vulkan - */ -GLFWAPI VkResult glfwCreateWindowSurface(VkInstance instance, GLFWwindow* window, const VkAllocationCallbacks* allocator, VkSurfaceKHR* surface); - -#endif /*VK_VERSION_1_0*/ - - -/************************************************************************* - * Global definition cleanup - *************************************************************************/ - -/* ------------------- BEGIN SYSTEM/COMPILER SPECIFIC -------------------- */ - -#ifdef GLFW_WINGDIAPI_DEFINED - #undef WINGDIAPI - #undef GLFW_WINGDIAPI_DEFINED -#endif - -#ifdef GLFW_CALLBACK_DEFINED - #undef CALLBACK - #undef GLFW_CALLBACK_DEFINED -#endif - -/* Some OpenGL related headers need GLAPIENTRY, but it is unconditionally - * defined by some gl.h variants (OpenBSD) so define it after if needed. - */ -#ifndef GLAPIENTRY - #define GLAPIENTRY APIENTRY -#endif - -/* -------------------- END SYSTEM/COMPILER SPECIFIC --------------------- */ - - -#ifdef __cplusplus -} -#endif - -#endif /* _glfw3_h_ */ - diff --git a/includes/GLFW/glfw3native.h b/includes/GLFW/glfw3native.h deleted file mode 100644 index 267e75ca..00000000 --- a/includes/GLFW/glfw3native.h +++ /dev/null @@ -1,525 +0,0 @@ -/************************************************************************* - * GLFW 3.3 - www.glfw.org - * A library for OpenGL, window and input - *------------------------------------------------------------------------ - * Copyright (c) 2002-2006 Marcus Geelnard - * Copyright (c) 2006-2018 Camilla Löwy - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would - * be appreciated but is not required. - * - * 2. Altered source versions must be plainly marked as such, and must not - * be misrepresented as being the original software. - * - * 3. This notice may not be removed or altered from any source - * distribution. - * - *************************************************************************/ - -#ifndef _glfw3_native_h_ -#define _glfw3_native_h_ - -#ifdef __cplusplus -extern "C" { -#endif - - -/************************************************************************* - * Doxygen documentation - *************************************************************************/ - -/*! @file glfw3native.h - * @brief The header of the native access functions. - * - * This is the header file of the native access functions. See @ref native for - * more information. - */ -/*! @defgroup native Native access - * @brief Functions related to accessing native handles. - * - * **By using the native access functions you assert that you know what you're - * doing and how to fix problems caused by using them. If you don't, you - * shouldn't be using them.** - * - * Before the inclusion of @ref glfw3native.h, you may define zero or more - * window system API macro and zero or more context creation API macros. - * - * The chosen backends must match those the library was compiled for. Failure - * to do this will cause a link-time error. - * - * The available window API macros are: - * * `GLFW_EXPOSE_NATIVE_WIN32` - * * `GLFW_EXPOSE_NATIVE_COCOA` - * * `GLFW_EXPOSE_NATIVE_X11` - * * `GLFW_EXPOSE_NATIVE_WAYLAND` - * - * The available context API macros are: - * * `GLFW_EXPOSE_NATIVE_WGL` - * * `GLFW_EXPOSE_NATIVE_NSGL` - * * `GLFW_EXPOSE_NATIVE_GLX` - * * `GLFW_EXPOSE_NATIVE_EGL` - * * `GLFW_EXPOSE_NATIVE_OSMESA` - * - * These macros select which of the native access functions that are declared - * and which platform-specific headers to include. It is then up your (by - * definition platform-specific) code to handle which of these should be - * defined. - */ - - -/************************************************************************* - * System headers and types - *************************************************************************/ - -#if defined(GLFW_EXPOSE_NATIVE_WIN32) || defined(GLFW_EXPOSE_NATIVE_WGL) - // This is a workaround for the fact that glfw3.h needs to export APIENTRY (for - // example to allow applications to correctly declare a GL_ARB_debug_output - // callback) but windows.h assumes no one will define APIENTRY before it does - #if defined(GLFW_APIENTRY_DEFINED) - #undef APIENTRY - #undef GLFW_APIENTRY_DEFINED - #endif - #include -#elif defined(GLFW_EXPOSE_NATIVE_COCOA) || defined(GLFW_EXPOSE_NATIVE_NSGL) - #if defined(__OBJC__) - #import - #else - #include - typedef void* id; - #endif -#elif defined(GLFW_EXPOSE_NATIVE_X11) || defined(GLFW_EXPOSE_NATIVE_GLX) - #include - #include -#elif defined(GLFW_EXPOSE_NATIVE_WAYLAND) - #include -#endif - -#if defined(GLFW_EXPOSE_NATIVE_WGL) - /* WGL is declared by windows.h */ -#endif -#if defined(GLFW_EXPOSE_NATIVE_NSGL) - /* NSGL is declared by Cocoa.h */ -#endif -#if defined(GLFW_EXPOSE_NATIVE_GLX) - #include -#endif -#if defined(GLFW_EXPOSE_NATIVE_EGL) - #include -#endif -#if defined(GLFW_EXPOSE_NATIVE_OSMESA) - #include -#endif - - -/************************************************************************* - * Functions - *************************************************************************/ - -#if defined(GLFW_EXPOSE_NATIVE_WIN32) -/*! @brief Returns the adapter device name of the specified monitor. - * - * @return The UTF-8 encoded adapter device name (for example `\\.\DISPLAY1`) - * of the specified monitor, or `NULL` if an [error](@ref error_handling) - * occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.1. - * - * @ingroup native - */ -GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* monitor); - -/*! @brief Returns the display device name of the specified monitor. - * - * @return The UTF-8 encoded display device name (for example - * `\\.\DISPLAY1\Monitor0`) of the specified monitor, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.1. - * - * @ingroup native - */ -GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* monitor); - -/*! @brief Returns the `HWND` of the specified window. - * - * @return The `HWND` of the specified window, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_WGL) -/*! @brief Returns the `HGLRC` of the specified window. - * - * @return The `HGLRC` of the specified window, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_COCOA) -/*! @brief Returns the `CGDirectDisplayID` of the specified monitor. - * - * @return The `CGDirectDisplayID` of the specified monitor, or - * `kCGNullDirectDisplay` if an [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.1. - * - * @ingroup native - */ -GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* monitor); - -/*! @brief Returns the `NSWindow` of the specified window. - * - * @return The `NSWindow` of the specified window, or `nil` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_NSGL) -/*! @brief Returns the `NSOpenGLContext` of the specified window. - * - * @return The `NSOpenGLContext` of the specified window, or `nil` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI id glfwGetNSGLContext(GLFWwindow* window); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_X11) -/*! @brief Returns the `Display` used by GLFW. - * - * @return The `Display` used by GLFW, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI Display* glfwGetX11Display(void); - -/*! @brief Returns the `RRCrtc` of the specified monitor. - * - * @return The `RRCrtc` of the specified monitor, or `None` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.1. - * - * @ingroup native - */ -GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* monitor); - -/*! @brief Returns the `RROutput` of the specified monitor. - * - * @return The `RROutput` of the specified monitor, or `None` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.1. - * - * @ingroup native - */ -GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* monitor); - -/*! @brief Returns the `Window` of the specified window. - * - * @return The `Window` of the specified window, or `None` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI Window glfwGetX11Window(GLFWwindow* window); - -/*! @brief Sets the current primary selection to the specified string. - * - * @param[in] string A UTF-8 encoded string. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The specified string is copied before this function - * returns. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref clipboard - * @sa glfwGetX11SelectionString - * @sa glfwSetClipboardString - * - * @since Added in version 3.3. - * - * @ingroup native - */ -GLFWAPI void glfwSetX11SelectionString(const char* string); - -/*! @brief Returns the contents of the current primary selection as a string. - * - * If the selection is empty or if its contents cannot be converted, `NULL` - * is returned and a @ref GLFW_FORMAT_UNAVAILABLE error is generated. - * - * @return The contents of the selection as a UTF-8 encoded string, or `NULL` - * if an [error](@ref error_handling) occurred. - * - * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref - * GLFW_PLATFORM_ERROR. - * - * @pointer_lifetime The returned string is allocated and freed by GLFW. You - * should not free it yourself. It is valid until the next call to @ref - * glfwGetX11SelectionString or @ref glfwSetX11SelectionString, or until the - * library is terminated. - * - * @thread_safety This function must only be called from the main thread. - * - * @sa @ref clipboard - * @sa glfwSetX11SelectionString - * @sa glfwGetClipboardString - * - * @since Added in version 3.3. - * - * @ingroup native - */ -GLFWAPI const char* glfwGetX11SelectionString(void); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_GLX) -/*! @brief Returns the `GLXContext` of the specified window. - * - * @return The `GLXContext` of the specified window, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window); - -/*! @brief Returns the `GLXWindow` of the specified window. - * - * @return The `GLXWindow` of the specified window, or `None` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.2. - * - * @ingroup native - */ -GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* window); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_WAYLAND) -/*! @brief Returns the `struct wl_display*` used by GLFW. - * - * @return The `struct wl_display*` used by GLFW, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.2. - * - * @ingroup native - */ -GLFWAPI struct wl_display* glfwGetWaylandDisplay(void); - -/*! @brief Returns the `struct wl_output*` of the specified monitor. - * - * @return The `struct wl_output*` of the specified monitor, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.2. - * - * @ingroup native - */ -GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* monitor); - -/*! @brief Returns the main `struct wl_surface*` of the specified window. - * - * @return The main `struct wl_surface*` of the specified window, or `NULL` if - * an [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.2. - * - * @ingroup native - */ -GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_EGL) -/*! @brief Returns the `EGLDisplay` used by GLFW. - * - * @return The `EGLDisplay` used by GLFW, or `EGL_NO_DISPLAY` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI EGLDisplay glfwGetEGLDisplay(void); - -/*! @brief Returns the `EGLContext` of the specified window. - * - * @return The `EGLContext` of the specified window, or `EGL_NO_CONTEXT` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window); - -/*! @brief Returns the `EGLSurface` of the specified window. - * - * @return The `EGLSurface` of the specified window, or `EGL_NO_SURFACE` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.0. - * - * @ingroup native - */ -GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* window); -#endif - -#if defined(GLFW_EXPOSE_NATIVE_OSMESA) -/*! @brief Retrieves the color buffer associated with the specified window. - * - * @param[in] window The window whose color buffer to retrieve. - * @param[out] width Where to store the width of the color buffer, or `NULL`. - * @param[out] height Where to store the height of the color buffer, or `NULL`. - * @param[out] format Where to store the OSMesa pixel format of the color - * buffer, or `NULL`. - * @param[out] buffer Where to store the address of the color buffer, or - * `NULL`. - * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.3. - * - * @ingroup native - */ -GLFWAPI int glfwGetOSMesaColorBuffer(GLFWwindow* window, int* width, int* height, int* format, void** buffer); - -/*! @brief Retrieves the depth buffer associated with the specified window. - * - * @param[in] window The window whose depth buffer to retrieve. - * @param[out] width Where to store the width of the depth buffer, or `NULL`. - * @param[out] height Where to store the height of the depth buffer, or `NULL`. - * @param[out] bytesPerValue Where to store the number of bytes per depth - * buffer element, or `NULL`. - * @param[out] buffer Where to store the address of the depth buffer, or - * `NULL`. - * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.3. - * - * @ingroup native - */ -GLFWAPI int glfwGetOSMesaDepthBuffer(GLFWwindow* window, int* width, int* height, int* bytesPerValue, void** buffer); - -/*! @brief Returns the `OSMesaContext` of the specified window. - * - * @return The `OSMesaContext` of the specified window, or `NULL` if an - * [error](@ref error_handling) occurred. - * - * @thread_safety This function may be called from any thread. Access is not - * synchronized. - * - * @since Added in version 3.3. - * - * @ingroup native - */ -GLFWAPI OSMesaContext glfwGetOSMesaContext(GLFWwindow* window); -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* _glfw3_native_h_ */ - diff --git a/includes/json/json.h b/includes/json/json.h deleted file mode 100644 index bca66004..00000000 --- a/includes/json/json.h +++ /dev/null @@ -1,51122 +0,0 @@ -/* - __ _____ _____ _____ - __| | __| | | | JSON for Modern C++ -| | |__ | | | | | | version 3.9.1 -|_____|_____|_____|_|___| https://github.com/nlohmann/json - -Licensed under the MIT License . -SPDX-License-Identifier: MIT -Copyright (c) 2013-2019 Niels Lohmann . - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -#ifndef INCLUDE_NLOHMANN_JSON_HPP_ -#define INCLUDE_NLOHMANN_JSON_HPP_ - -#define NLOHMANN_JSON_VERSION_MAJOR 3 -#define NLOHMANN_JSON_VERSION_MINOR 9 -#define NLOHMANN_JSON_VERSION_PATCH 1 - -#include // all_of, find, for_each -#include // nullptr_t, ptrdiff_t, size_t -#include // hash, less -#include // initializer_list -#include // istream, ostream -#include // random_access_iterator_tag -#include // unique_ptr -#include // accumulate -#include // string, stoi, to_string -#include // declval, forward, move, pair, swap -#include // vector - -// #include - - -#include - -// #include - - -#include // transform -#include // array -#include // forward_list -#include // inserter, front_inserter, end -#include // map -#include // string -#include // tuple, make_tuple -#include // is_arithmetic, is_same, is_enum, underlying_type, is_convertible -#include // unordered_map -#include // pair, declval -#include // valarray - -// #include - - -#include // exception -#include // runtime_error -#include // to_string - -// #include - - -#include // size_t - -namespace nlohmann -{ -namespace detail -{ -/// struct to capture the start position of the current token -struct position_t -{ -/// the total number of characters read -std::size_t chars_read_total = 0; -/// the number of characters read in the current line -std::size_t chars_read_current_line = 0; -/// the number of lines read -std::size_t lines_read = 0; - -/// conversion to size_t to preserve SAX interface -constexpr operator size_t() const -{ -return chars_read_total; -} -}; - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // pair -// #include -/* Hedley - https://nemequ.github.io/hedley - * Created by Evan Nemerson - * - * To the extent possible under law, the author(s) have dedicated all - * copyright and related and neighboring rights to this software to - * the public domain worldwide. This software is distributed without - * any warranty. - * - * For details, see . - * SPDX-License-Identifier: CC0-1.0 - */ - -#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 14) -#if defined(JSON_HEDLEY_VERSION) -#undef JSON_HEDLEY_VERSION -#endif -#define JSON_HEDLEY_VERSION 14 - -#if defined(JSON_HEDLEY_STRINGIFY_EX) -#undef JSON_HEDLEY_STRINGIFY_EX -#endif -#define JSON_HEDLEY_STRINGIFY_EX(x) #x - -#if defined(JSON_HEDLEY_STRINGIFY) -#undef JSON_HEDLEY_STRINGIFY -#endif -#define JSON_HEDLEY_STRINGIFY(x) JSON_HEDLEY_STRINGIFY_EX(x) - -#if defined(JSON_HEDLEY_CONCAT_EX) -#undef JSON_HEDLEY_CONCAT_EX -#endif -#define JSON_HEDLEY_CONCAT_EX(a,b) a##b - -#if defined(JSON_HEDLEY_CONCAT) -#undef JSON_HEDLEY_CONCAT -#endif -#define JSON_HEDLEY_CONCAT(a,b) JSON_HEDLEY_CONCAT_EX(a,b) - -#if defined(JSON_HEDLEY_CONCAT3_EX) -#undef JSON_HEDLEY_CONCAT3_EX -#endif -#define JSON_HEDLEY_CONCAT3_EX(a,b,c) a##b##c - -#if defined(JSON_HEDLEY_CONCAT3) -#undef JSON_HEDLEY_CONCAT3 -#endif -#define JSON_HEDLEY_CONCAT3(a,b,c) JSON_HEDLEY_CONCAT3_EX(a,b,c) - -#if defined(JSON_HEDLEY_VERSION_ENCODE) -#undef JSON_HEDLEY_VERSION_ENCODE -#endif -#define JSON_HEDLEY_VERSION_ENCODE(major,minor,revision) (((major) * 1000000) + ((minor) * 1000) + (revision)) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MAJOR) -#undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MAJOR(version) ((version) / 1000000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MINOR) -#undef JSON_HEDLEY_VERSION_DECODE_MINOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MINOR(version) (((version) % 1000000) / 1000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_REVISION) -#undef JSON_HEDLEY_VERSION_DECODE_REVISION -#endif -#define JSON_HEDLEY_VERSION_DECODE_REVISION(version) ((version) % 1000) - -#if defined(JSON_HEDLEY_GNUC_VERSION) -#undef JSON_HEDLEY_GNUC_VERSION -#endif -#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) -#define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) -#elif defined(__GNUC__) -#define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, 0) -#endif - -#if defined(JSON_HEDLEY_GNUC_VERSION_CHECK) -#undef JSON_HEDLEY_GNUC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GNUC_VERSION) -#define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GNUC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION) -#undef JSON_HEDLEY_MSVC_VERSION -#endif -#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) && !defined(__ICL) -#define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100) -#elif defined(_MSC_FULL_VER) && !defined(__ICL) -#define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10) -#elif defined(_MSC_VER) && !defined(__ICL) -#define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION_CHECK) -#undef JSON_HEDLEY_MSVC_VERSION_CHECK -#endif -#if !defined(JSON_HEDLEY_MSVC_VERSION) -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (0) -#elif defined(_MSC_VER) && (_MSC_VER >= 1400) -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) -#elif defined(_MSC_VER) && (_MSC_VER >= 1200) -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) -#else -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_VER >= ((major * 100) + (minor))) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION) -#undef JSON_HEDLEY_INTEL_VERSION -#endif -#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && !defined(__ICL) -#define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE) -#elif defined(__INTEL_COMPILER) && !defined(__ICL) -#define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION_CHECK) -#undef JSON_HEDLEY_INTEL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_INTEL_VERSION) -#define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_INTEL_CL_VERSION) -#undef JSON_HEDLEY_INTEL_CL_VERSION -#endif -#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && defined(__ICL) -#define JSON_HEDLEY_INTEL_CL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER, __INTEL_COMPILER_UPDATE, 0) -#endif - -#if defined(JSON_HEDLEY_INTEL_CL_VERSION_CHECK) -#undef JSON_HEDLEY_INTEL_CL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_INTEL_CL_VERSION) -#define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_CL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION) -#undef JSON_HEDLEY_PGI_VERSION -#endif -#if defined(__PGI) && defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) -#define JSON_HEDLEY_PGI_VERSION JSON_HEDLEY_VERSION_ENCODE(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION_CHECK) -#undef JSON_HEDLEY_PGI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PGI_VERSION) -#define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PGI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION) -#undef JSON_HEDLEY_SUNPRO_VERSION -#endif -#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), (__SUNPRO_C & 0xf) * 10) -#elif defined(__SUNPRO_C) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_C >> 8) & 0xf, (__SUNPRO_C >> 4) & 0xf, (__SUNPRO_C) & 0xf) -#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), (__SUNPRO_CC & 0xf) * 10) -#elif defined(__SUNPRO_CC) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_CC >> 8) & 0xf, (__SUNPRO_CC >> 4) & 0xf, (__SUNPRO_CC) & 0xf) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION_CHECK) -#undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_SUNPRO_VERSION) -#define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_SUNPRO_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#endif -#if defined(__EMSCRIPTEN__) -#define JSON_HEDLEY_EMSCRIPTEN_VERSION JSON_HEDLEY_VERSION_ENCODE(__EMSCRIPTEN_major__, __EMSCRIPTEN_minor__, __EMSCRIPTEN_tiny__) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK) -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) -#define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_EMSCRIPTEN_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION) -#undef JSON_HEDLEY_ARM_VERSION -#endif -#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) -#define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCOMPILER_VERSION / 1000000, (__ARMCOMPILER_VERSION % 1000000) / 10000, (__ARMCOMPILER_VERSION % 10000) / 100) -#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) -#define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCC_VERSION / 1000000, (__ARMCC_VERSION % 1000000) / 10000, (__ARMCC_VERSION % 10000) / 100) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION_CHECK) -#undef JSON_HEDLEY_ARM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_ARM_VERSION) -#define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_ARM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION) -#undef JSON_HEDLEY_IBM_VERSION -#endif -#if defined(__ibmxl__) -#define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ibmxl_version__, __ibmxl_release__, __ibmxl_modification__) -#elif defined(__xlC__) && defined(__xlC_ver__) -#define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) -#elif defined(__xlC__) -#define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, 0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION_CHECK) -#undef JSON_HEDLEY_IBM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IBM_VERSION) -#define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IBM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_VERSION) -#undef JSON_HEDLEY_TI_VERSION -#endif -#if \ - defined(__TI_COMPILER_VERSION__) && \ - ( \ - defined(__TMS470__) || defined(__TI_ARM__) || \ - defined(__MSP430__) || \ - defined(__TMS320C2000__) \ - ) -#if (__TI_COMPILER_VERSION__ >= 16000000) -#define JSON_HEDLEY_TI_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif -#endif - -#if defined(JSON_HEDLEY_TI_VERSION_CHECK) -#undef JSON_HEDLEY_TI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_VERSION) -#define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) -#undef JSON_HEDLEY_TI_CL2000_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C2000__) -#define JSON_HEDLEY_TI_CL2000_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) -#define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL2000_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION) -#undef JSON_HEDLEY_TI_CL430_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__MSP430__) -#define JSON_HEDLEY_TI_CL430_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL430_VERSION) -#define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL430_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) -#undef JSON_HEDLEY_TI_ARMCL_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && (defined(__TMS470__) || defined(__TI_ARM__)) -#define JSON_HEDLEY_TI_ARMCL_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION_CHECK) -#undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) -#define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_ARMCL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) -#undef JSON_HEDLEY_TI_CL6X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C6X__) -#define JSON_HEDLEY_TI_CL6X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) -#define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL6X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) -#undef JSON_HEDLEY_TI_CL7X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__C7000__) -#define JSON_HEDLEY_TI_CL7X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) -#define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL7X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) -#undef JSON_HEDLEY_TI_CLPRU_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__PRU__) -#define JSON_HEDLEY_TI_CLPRU_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) -#define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CLPRU_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION) -#undef JSON_HEDLEY_CRAY_VERSION -#endif -#if defined(_CRAYC) -#if defined(_RELEASE_PATCHLEVEL) -#define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, _RELEASE_PATCHLEVEL) -#else -#define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, 0) -#endif -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION_CHECK) -#undef JSON_HEDLEY_CRAY_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_CRAY_VERSION) -#define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_CRAY_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION) -#undef JSON_HEDLEY_IAR_VERSION -#endif -#if defined(__IAR_SYSTEMS_ICC__) -#if __VER__ > 1000 -#define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000)) -#else -#define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(VER / 100, __VER__ % 100, 0) -#endif -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION_CHECK) -#undef JSON_HEDLEY_IAR_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IAR_VERSION) -#define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IAR_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION) -#undef JSON_HEDLEY_TINYC_VERSION -#endif -#if defined(__TINYC__) -#define JSON_HEDLEY_TINYC_VERSION JSON_HEDLEY_VERSION_ENCODE(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION_CHECK) -#undef JSON_HEDLEY_TINYC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TINYC_VERSION) -#define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TINYC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION) -#undef JSON_HEDLEY_DMC_VERSION -#endif -#if defined(__DMC__) -#define JSON_HEDLEY_DMC_VERSION JSON_HEDLEY_VERSION_ENCODE(__DMC__ >> 8, (__DMC__ >> 4) & 0xf, __DMC__ & 0xf) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION_CHECK) -#undef JSON_HEDLEY_DMC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_DMC_VERSION) -#define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_DMC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION) -#undef JSON_HEDLEY_COMPCERT_VERSION -#endif -#if defined(__COMPCERT_VERSION__) -#define JSON_HEDLEY_COMPCERT_VERSION JSON_HEDLEY_VERSION_ENCODE(__COMPCERT_VERSION__ / 10000, (__COMPCERT_VERSION__ / 100) % 100, __COMPCERT_VERSION__ % 100) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION_CHECK) -#undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_COMPCERT_VERSION) -#define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_COMPCERT_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION) -#undef JSON_HEDLEY_PELLES_VERSION -#endif -#if defined(__POCC__) -#define JSON_HEDLEY_PELLES_VERSION JSON_HEDLEY_VERSION_ENCODE(__POCC__ / 100, __POCC__ % 100, 0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION_CHECK) -#undef JSON_HEDLEY_PELLES_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PELLES_VERSION) -#define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PELLES_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION) -#undef JSON_HEDLEY_GCC_VERSION -#endif -#if \ - defined(JSON_HEDLEY_GNUC_VERSION) && \ - !defined(__clang__) && \ - !defined(JSON_HEDLEY_INTEL_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_ARM_VERSION) && \ - !defined(JSON_HEDLEY_TI_VERSION) && \ - !defined(JSON_HEDLEY_TI_ARMCL_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL430_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL2000_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL6X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL7X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CLPRU_VERSION) && \ - !defined(__COMPCERT__) -#define JSON_HEDLEY_GCC_VERSION JSON_HEDLEY_GNUC_VERSION -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION_CHECK) -#undef JSON_HEDLEY_GCC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GCC_VERSION) -#define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) -#define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute) -#else -#define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) -#define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else -#define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) -#define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else -#define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#endif -#if \ - defined(__has_cpp_attribute) && \ - defined(__cplusplus) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) __has_cpp_attribute(attribute) -#else -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS) -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#endif -#if !defined(__cplusplus) || !defined(__has_cpp_attribute) -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#elif \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) && \ - (!defined(JSON_HEDLEY_MSVC_VERSION) || JSON_HEDLEY_MSVC_VERSION_CHECK(19,20,0)) -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(ns::attribute) -#else -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) -#define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else -#define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) -#define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else -#define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_BUILTIN) -#undef JSON_HEDLEY_HAS_BUILTIN -#endif -#if defined(__has_builtin) -#define JSON_HEDLEY_HAS_BUILTIN(builtin) __has_builtin(builtin) -#else -#define JSON_HEDLEY_HAS_BUILTIN(builtin) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_BUILTIN) -#undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#endif -#if defined(__has_builtin) -#define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else -#define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_BUILTIN) -#undef JSON_HEDLEY_GCC_HAS_BUILTIN -#endif -#if defined(__has_builtin) -#define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else -#define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_FEATURE) -#undef JSON_HEDLEY_HAS_FEATURE -#endif -#if defined(__has_feature) -#define JSON_HEDLEY_HAS_FEATURE(feature) __has_feature(feature) -#else -#define JSON_HEDLEY_HAS_FEATURE(feature) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_FEATURE) -#undef JSON_HEDLEY_GNUC_HAS_FEATURE -#endif -#if defined(__has_feature) -#define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else -#define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_FEATURE) -#undef JSON_HEDLEY_GCC_HAS_FEATURE -#endif -#if defined(__has_feature) -#define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else -#define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_EXTENSION) -#undef JSON_HEDLEY_HAS_EXTENSION -#endif -#if defined(__has_extension) -#define JSON_HEDLEY_HAS_EXTENSION(extension) __has_extension(extension) -#else -#define JSON_HEDLEY_HAS_EXTENSION(extension) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_EXTENSION) -#undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#endif -#if defined(__has_extension) -#define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else -#define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_EXTENSION) -#undef JSON_HEDLEY_GCC_HAS_EXTENSION -#endif -#if defined(__has_extension) -#define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else -#define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) -#define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) __has_declspec_attribute(attribute) -#else -#define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) -#define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else -#define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) -#define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else -#define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_WARNING) -#undef JSON_HEDLEY_HAS_WARNING -#endif -#if defined(__has_warning) -#define JSON_HEDLEY_HAS_WARNING(warning) __has_warning(warning) -#else -#define JSON_HEDLEY_HAS_WARNING(warning) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_WARNING) -#undef JSON_HEDLEY_GNUC_HAS_WARNING -#endif -#if defined(__has_warning) -#define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else -#define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_WARNING) -#undef JSON_HEDLEY_GCC_HAS_WARNING -#endif -#if defined(__has_warning) -#define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else -#define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - defined(__clang__) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \ - (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR)) -#define JSON_HEDLEY_PRAGMA(value) _Pragma(#value) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -#define JSON_HEDLEY_PRAGMA(value) __pragma(value) -#else -#define JSON_HEDLEY_PRAGMA(value) -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH) -#undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#endif -#if defined(JSON_HEDLEY_DIAGNOSTIC_POP) -#undef JSON_HEDLEY_DIAGNOSTIC_POP -#endif -#if defined(__clang__) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push)) -#define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop)) -#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#else -#define JSON_HEDLEY_DIAGNOSTIC_PUSH -#define JSON_HEDLEY_DIAGNOSTIC_POP -#endif - -/* JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat") -# if JSON_HEDLEY_HAS_WARNING("-Wc++17-extensions") -# if JSON_HEDLEY_HAS_WARNING("-Wc++1z-extensions") -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ - _Pragma("clang diagnostic ignored \"-Wc++1z-extensions\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# endif -# else -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# endif -# endif -#endif -#if !defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(x) x -#endif - -#if defined(JSON_HEDLEY_CONST_CAST) -#undef JSON_HEDLEY_CONST_CAST -#endif -#if defined(__cplusplus) -# define JSON_HEDLEY_CONST_CAST(T, expr) (const_cast(expr)) -#elif \ - JSON_HEDLEY_HAS_WARNING("-Wcast-qual") || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_CONST_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_CONST_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_REINTERPRET_CAST) -#undef JSON_HEDLEY_REINTERPRET_CAST -#endif -#if defined(__cplusplus) -#define JSON_HEDLEY_REINTERPRET_CAST(T, expr) (reinterpret_cast(expr)) -#else -#define JSON_HEDLEY_REINTERPRET_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_STATIC_CAST) -#undef JSON_HEDLEY_STATIC_CAST -#endif -#if defined(__cplusplus) -#define JSON_HEDLEY_STATIC_CAST(T, expr) (static_cast(expr)) -#else -#define JSON_HEDLEY_STATIC_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_CPP_CAST) -#undef JSON_HEDLEY_CPP_CAST -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wold-style-cast") -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wold-style-cast\"") \ - ((T) (expr)) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# elif JSON_HEDLEY_IAR_VERSION_CHECK(8,3,0) -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("diag_suppress=Pe137") \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_CPP_CAST(T, expr) ((T) (expr)) -# endif -#else -# define JSON_HEDLEY_CPP_CAST(T, expr) (expr) -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wdeprecated-declarations") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)") -#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:1478 1786)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1216,1444,1445") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1291,1718") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && !defined(__cplusplus) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,E_DEPRECATED_ATT,E_DEPRECATED_ATT_MESS)") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && defined(__cplusplus) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,symdeprecated,symdeprecated2)") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress=Pe1444,Pe1215") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warn(disable:2241)") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)") -#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:161)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("GCC diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:4068)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(16,9,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-attributes") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("clang diagnostic ignored \"-Wunknown-attributes\"") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)") -#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:1292)) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097,1098") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("error_messages(off,attrskipunsup)") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wcast-qual") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("clang diagnostic ignored \"-Wcast-qual\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("warning(disable:2203 2331)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif - -#if defined(JSON_HEDLEY_DEPRECATED) -#undef JSON_HEDLEY_DEPRECATED -#endif -#if defined(JSON_HEDLEY_DEPRECATED_FOR) -#undef JSON_HEDLEY_DEPRECATED_FOR -#endif -#if \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated("Since " # since)) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement)) -#elif \ - JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) -#define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__("Since " #since))) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement))) -#elif defined(__cplusplus) && (__cplusplus >= 201402L) -#define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]]) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(deprecated) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__)) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DEPRECATED(since) _Pragma("deprecated") -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) _Pragma("deprecated") -#else -#define JSON_HEDLEY_DEPRECATED(since) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) -#endif - -#if defined(JSON_HEDLEY_UNAVAILABLE) -#undef JSON_HEDLEY_UNAVAILABLE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(warning) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since))) -#else -#define JSON_HEDLEY_UNAVAILABLE(available_since) -#endif - -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT) -#undef JSON_HEDLEY_WARN_UNUSED_RESULT -#endif -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT_MSG) -#undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(warn_unused_result) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__)) -#elif (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L) -#define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) -#define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#elif defined(_Check_return_) /* SAL */ -#define JSON_HEDLEY_WARN_UNUSED_RESULT _Check_return_ -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) _Check_return_ -#else -#define JSON_HEDLEY_WARN_UNUSED_RESULT -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) -#endif - -#if defined(JSON_HEDLEY_SENTINEL) -#undef JSON_HEDLEY_SENTINEL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(sentinel) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) -#define JSON_HEDLEY_SENTINEL(position) __attribute__((__sentinel__(position))) -#else -#define JSON_HEDLEY_SENTINEL(position) -#endif - -#if defined(JSON_HEDLEY_NO_RETURN) -#undef JSON_HEDLEY_NO_RETURN -#endif -#if JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_NO_RETURN __noreturn -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L -#define JSON_HEDLEY_NO_RETURN _Noreturn -#elif defined(__cplusplus) && (__cplusplus >= 201103L) -#define JSON_HEDLEY_NO_RETURN JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(noreturn) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,2,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -#define JSON_HEDLEY_NO_RETURN _Pragma("does_not_return") -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) -#define JSON_HEDLEY_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) -#define JSON_HEDLEY_NO_RETURN __attribute((noreturn)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) -#define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#else -#define JSON_HEDLEY_NO_RETURN -#endif - -#if defined(JSON_HEDLEY_NO_ESCAPE) -#undef JSON_HEDLEY_NO_ESCAPE -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(noescape) -#define JSON_HEDLEY_NO_ESCAPE __attribute__((__noescape__)) -#else -#define JSON_HEDLEY_NO_ESCAPE -#endif - -#if defined(JSON_HEDLEY_UNREACHABLE) -#undef JSON_HEDLEY_UNREACHABLE -#endif -#if defined(JSON_HEDLEY_UNREACHABLE_RETURN) -#undef JSON_HEDLEY_UNREACHABLE_RETURN -#endif -#if defined(JSON_HEDLEY_ASSUME) -#undef JSON_HEDLEY_ASSUME -#endif -#if \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_ASSUME(expr) __assume(expr) -#elif JSON_HEDLEY_HAS_BUILTIN(__builtin_assume) -#define JSON_HEDLEY_ASSUME(expr) __builtin_assume(expr) -#elif \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) -#if defined(__cplusplus) -#define JSON_HEDLEY_ASSUME(expr) std::_nassert(expr) -#else -#define JSON_HEDLEY_ASSUME(expr) _nassert(expr) -#endif -#endif -#if \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_unreachable) && (!defined(JSON_HEDLEY_ARM_VERSION))) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5) -#define JSON_HEDLEY_UNREACHABLE() __builtin_unreachable() -#elif defined(JSON_HEDLEY_ASSUME) -#define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif -#if !defined(JSON_HEDLEY_ASSUME) -#if defined(JSON_HEDLEY_UNREACHABLE) -#define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, ((expr) ? 1 : (JSON_HEDLEY_UNREACHABLE(), 1))) -#else -#define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, expr) -#endif -#endif -#if defined(JSON_HEDLEY_UNREACHABLE) -#if \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) -#define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (JSON_HEDLEY_STATIC_CAST(void, JSON_HEDLEY_ASSUME(0)), (value)) -#else -#define JSON_HEDLEY_UNREACHABLE_RETURN(value) JSON_HEDLEY_UNREACHABLE() -#endif -#else -#define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (value) -#endif -#if !defined(JSON_HEDLEY_UNREACHABLE) -#define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif - -JSON_HEDLEY_DIAGNOSTIC_PUSH -#if JSON_HEDLEY_HAS_WARNING("-Wpedantic") -#pragma clang diagnostic ignored "-Wpedantic" -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat-pedantic") && defined(__cplusplus) -#pragma clang diagnostic ignored "-Wc++98-compat-pedantic" -#endif -#if JSON_HEDLEY_GCC_HAS_WARNING("-Wvariadic-macros",4,0,0) -#if defined(__clang__) -#pragma clang diagnostic ignored "-Wvariadic-macros" -#elif defined(JSON_HEDLEY_GCC_VERSION) -#pragma GCC diagnostic ignored "-Wvariadic-macros" -#endif -#endif -#if defined(JSON_HEDLEY_NON_NULL) -#undef JSON_HEDLEY_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) -#define JSON_HEDLEY_NON_NULL(...) __attribute__((__nonnull__(__VA_ARGS__))) -#else -#define JSON_HEDLEY_NON_NULL(...) -#endif -JSON_HEDLEY_DIAGNOSTIC_POP - -#if defined(JSON_HEDLEY_PRINTF_FORMAT) -#undef JSON_HEDLEY_PRINTF_FORMAT -#endif -#if defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && !defined(__USE_MINGW_ANSI_STDIO) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(ms_printf, string_idx, first_to_check))) -#elif defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && defined(__USE_MINGW_ANSI_STDIO) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(gnu_printf, string_idx, first_to_check))) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(format) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check))) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(6,0,0) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check)) -#else -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) -#endif - -#if defined(JSON_HEDLEY_CONSTEXPR) -#undef JSON_HEDLEY_CONSTEXPR -#endif -#if defined(__cplusplus) -#if __cplusplus >= 201103L -#define JSON_HEDLEY_CONSTEXPR JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(constexpr) -#endif -#endif -#if !defined(JSON_HEDLEY_CONSTEXPR) -#define JSON_HEDLEY_CONSTEXPR -#endif - -#if defined(JSON_HEDLEY_PREDICT) -#undef JSON_HEDLEY_PREDICT -#endif -#if defined(JSON_HEDLEY_LIKELY) -#undef JSON_HEDLEY_LIKELY -#endif -#if defined(JSON_HEDLEY_UNLIKELY) -#undef JSON_HEDLEY_UNLIKELY -#endif -#if defined(JSON_HEDLEY_UNPREDICTABLE) -#undef JSON_HEDLEY_UNPREDICTABLE -#endif -#if JSON_HEDLEY_HAS_BUILTIN(__builtin_unpredictable) -#define JSON_HEDLEY_UNPREDICTABLE(expr) __builtin_unpredictable((expr)) -#endif -#if \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) && !defined(JSON_HEDLEY_PGI_VERSION)) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0) -# define JSON_HEDLEY_PREDICT(expr, value, probability) __builtin_expect_with_probability( (expr), (value), (probability)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) __builtin_expect_with_probability(!!(expr), 1 , (probability)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) __builtin_expect_with_probability(!!(expr), 0 , (probability)) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect (!!(expr), 1 ) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect (!!(expr), 0 ) -#elif \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,27) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) -# define JSON_HEDLEY_PREDICT(expr, expected, probability) \ - (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (JSON_HEDLEY_STATIC_CAST(void, expected), (expr))) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 1) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 0) : !!(expr))); \ - })) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 0) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 1) : !!(expr))); \ - })) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect(!!(expr), 1) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect(!!(expr), 0) -#else -# define JSON_HEDLEY_PREDICT(expr, expected, probability) (JSON_HEDLEY_STATIC_CAST(void, expected), (expr)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_LIKELY(expr) (!!(expr)) -# define JSON_HEDLEY_UNLIKELY(expr) (!!(expr)) -#endif -#if !defined(JSON_HEDLEY_UNPREDICTABLE) -#define JSON_HEDLEY_UNPREDICTABLE(expr) JSON_HEDLEY_PREDICT(expr, 1, 0.5) -#endif - -#if defined(JSON_HEDLEY_MALLOC) -#undef JSON_HEDLEY_MALLOC -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(malloc) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_MALLOC __attribute__((__malloc__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -#define JSON_HEDLEY_MALLOC _Pragma("returns_new_memory") -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_MALLOC __declspec(restrict) -#else -#define JSON_HEDLEY_MALLOC -#endif - -#if defined(JSON_HEDLEY_PURE) -#undef JSON_HEDLEY_PURE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(pure) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,96,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -# define JSON_HEDLEY_PURE __attribute__((__pure__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -# define JSON_HEDLEY_PURE _Pragma("does_not_write_global_data") -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) \ - ) -# define JSON_HEDLEY_PURE _Pragma("FUNC_IS_PURE;") -#else -# define JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_CONST) -#undef JSON_HEDLEY_CONST -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(const) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_CONST __attribute__((__const__)) -#elif \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -#define JSON_HEDLEY_CONST _Pragma("no_side_effect") -#else -#define JSON_HEDLEY_CONST JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_RESTRICT) -#undef JSON_HEDLEY_RESTRICT -#endif -#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus) -#define JSON_HEDLEY_RESTRICT restrict -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,4) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - defined(__clang__) -#define JSON_HEDLEY_RESTRICT __restrict -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus) -#define JSON_HEDLEY_RESTRICT _Restrict -#else -#define JSON_HEDLEY_RESTRICT -#endif - -#if defined(JSON_HEDLEY_INLINE) -#undef JSON_HEDLEY_INLINE -#endif -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - (defined(__cplusplus) && (__cplusplus >= 199711L)) -#define JSON_HEDLEY_INLINE inline -#elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(6,2,0) -#define JSON_HEDLEY_INLINE __inline__ -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,1,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_INLINE __inline -#else -#define JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_ALWAYS_INLINE) -#undef JSON_HEDLEY_ALWAYS_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(always_inline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -# define JSON_HEDLEY_ALWAYS_INLINE __attribute__((__always_inline__)) JSON_HEDLEY_INLINE -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -# define JSON_HEDLEY_ALWAYS_INLINE __forceinline -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) \ - ) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("FUNC_ALWAYS_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("inline=forced") -#else -# define JSON_HEDLEY_ALWAYS_INLINE JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_NEVER_INLINE) -#undef JSON_HEDLEY_NEVER_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(noinline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_NEVER_INLINE __attribute__((__noinline__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(10,2,0) -#define JSON_HEDLEY_NEVER_INLINE _Pragma("noinline") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) -#define JSON_HEDLEY_NEVER_INLINE _Pragma("FUNC_CANNOT_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_NEVER_INLINE _Pragma("inline=never") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) -#define JSON_HEDLEY_NEVER_INLINE __attribute((noinline)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) -#define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#else -#define JSON_HEDLEY_NEVER_INLINE -#endif - -#if defined(JSON_HEDLEY_PRIVATE) -#undef JSON_HEDLEY_PRIVATE -#endif -#if defined(JSON_HEDLEY_PUBLIC) -#undef JSON_HEDLEY_PUBLIC -#endif -#if defined(JSON_HEDLEY_IMPORT) -#undef JSON_HEDLEY_IMPORT -#endif -#if defined(_WIN32) || defined(__CYGWIN__) -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC __declspec(dllexport) -# define JSON_HEDLEY_IMPORT __declspec(dllimport) -#else -# if \ - JSON_HEDLEY_HAS_ATTRIBUTE(visibility) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - ( \ - defined(__TI_EABI__) && \ - ( \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) \ - ) \ - ) -# define JSON_HEDLEY_PRIVATE __attribute__((__visibility__("hidden"))) -# define JSON_HEDLEY_PUBLIC __attribute__((__visibility__("default"))) -# else -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC -# endif -# define JSON_HEDLEY_IMPORT extern -#endif - -#if defined(JSON_HEDLEY_NO_THROW) -#undef JSON_HEDLEY_NO_THROW -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nothrow) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_NO_THROW __attribute__((__nothrow__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) -#define JSON_HEDLEY_NO_THROW __declspec(nothrow) -#else -#define JSON_HEDLEY_NO_THROW -#endif - -#if defined(JSON_HEDLEY_FALL_THROUGH) -#undef JSON_HEDLEY_FALL_THROUGH -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(fallthrough) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0) -#define JSON_HEDLEY_FALL_THROUGH __attribute__((__fallthrough__)) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough) -#define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(fallthrough) -#define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[fallthrough]]) -#elif defined(__fallthrough) /* SAL */ -#define JSON_HEDLEY_FALL_THROUGH __fallthrough -#else -#define JSON_HEDLEY_FALL_THROUGH -#endif - -#if defined(JSON_HEDLEY_RETURNS_NON_NULL) -#undef JSON_HEDLEY_RETURNS_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(returns_nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) -#define JSON_HEDLEY_RETURNS_NON_NULL __attribute__((__returns_nonnull__)) -#elif defined(_Ret_notnull_) /* SAL */ -#define JSON_HEDLEY_RETURNS_NON_NULL _Ret_notnull_ -#else -#define JSON_HEDLEY_RETURNS_NON_NULL -#endif - -#if defined(JSON_HEDLEY_ARRAY_PARAM) -#undef JSON_HEDLEY_ARRAY_PARAM -#endif -#if \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ - !defined(__STDC_NO_VLA__) && \ - !defined(__cplusplus) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_TINYC_VERSION) -#define JSON_HEDLEY_ARRAY_PARAM(name) (name) -#else -#define JSON_HEDLEY_ARRAY_PARAM(name) -#endif - -#if defined(JSON_HEDLEY_IS_CONSTANT) -#undef JSON_HEDLEY_IS_CONSTANT -#endif -#if defined(JSON_HEDLEY_REQUIRE_CONSTEXPR) -#undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#endif -/* JSON_HEDLEY_IS_CONSTEXPR_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) -#undef JSON_HEDLEY_IS_CONSTEXPR_ -#endif -#if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_constant_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,19) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) -#define JSON_HEDLEY_IS_CONSTANT(expr) __builtin_constant_p(expr) -#endif -#if !defined(__cplusplus) -# if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_types_compatible_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,24) -#if defined(__INTPTR_TYPE__) -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0)), int*) -#else -#include -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((intptr_t) ((expr) * 0)) : (int*) 0)), int*) -#endif -# elif \ - ( \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && \ - !defined(JSON_HEDLEY_SUNPRO_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION)) || \ - JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,3,0) -#if defined(__INTPTR_TYPE__) -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0), int*: 1, void*: 0) -#else -#include -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((intptr_t) * 0) : (int*) 0), int*: 1, void*: 0) -#endif -# elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - defined(JSON_HEDLEY_INTEL_VERSION) || \ - defined(JSON_HEDLEY_TINYC_VERSION) || \ - defined(JSON_HEDLEY_TI_ARMCL_VERSION) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(18,12,0) || \ - defined(JSON_HEDLEY_TI_CL2000_VERSION) || \ - defined(JSON_HEDLEY_TI_CL6X_VERSION) || \ - defined(JSON_HEDLEY_TI_CL7X_VERSION) || \ - defined(JSON_HEDLEY_TI_CLPRU_VERSION) || \ - defined(__clang__) -# define JSON_HEDLEY_IS_CONSTEXPR_(expr) ( \ - sizeof(void) != \ - sizeof(*( \ - 1 ? \ - ((void*) ((expr) * 0L) ) : \ -((struct { char v[sizeof(void) * 2]; } *) 1) \ - ) \ - ) \ - ) -# endif -#endif -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) -#if !defined(JSON_HEDLEY_IS_CONSTANT) -#define JSON_HEDLEY_IS_CONSTANT(expr) JSON_HEDLEY_IS_CONSTEXPR_(expr) -#endif -#define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (JSON_HEDLEY_IS_CONSTEXPR_(expr) ? (expr) : (-1)) -#else -#if !defined(JSON_HEDLEY_IS_CONSTANT) -#define JSON_HEDLEY_IS_CONSTANT(expr) (0) -#endif -#define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (expr) -#endif - -#if defined(JSON_HEDLEY_BEGIN_C_DECLS) -#undef JSON_HEDLEY_BEGIN_C_DECLS -#endif -#if defined(JSON_HEDLEY_END_C_DECLS) -#undef JSON_HEDLEY_END_C_DECLS -#endif -#if defined(JSON_HEDLEY_C_DECL) -#undef JSON_HEDLEY_C_DECL -#endif -#if defined(__cplusplus) -#define JSON_HEDLEY_BEGIN_C_DECLS extern "C" { -#define JSON_HEDLEY_END_C_DECLS } -#define JSON_HEDLEY_C_DECL extern "C" -#else -#define JSON_HEDLEY_BEGIN_C_DECLS -#define JSON_HEDLEY_END_C_DECLS -#define JSON_HEDLEY_C_DECL -#endif - -#if defined(JSON_HEDLEY_STATIC_ASSERT) -#undef JSON_HEDLEY_STATIC_ASSERT -#endif -#if \ - !defined(__cplusplus) && ( \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \ - (JSON_HEDLEY_HAS_FEATURE(c_static_assert) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(6,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - defined(_Static_assert) \ - ) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) _Static_assert(expr, message) -#elif \ - (defined(__cplusplus) && (__cplusplus >= 201103L)) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message)) -#else -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) -#endif - -#if defined(JSON_HEDLEY_NULL) -#undef JSON_HEDLEY_NULL -#endif -#if defined(__cplusplus) -#if __cplusplus >= 201103L -#define JSON_HEDLEY_NULL JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(nullptr) -#elif defined(NULL) -#define JSON_HEDLEY_NULL NULL -#else -#define JSON_HEDLEY_NULL JSON_HEDLEY_STATIC_CAST(void*, 0) -#endif -#elif defined(NULL) -#define JSON_HEDLEY_NULL NULL -#else -#define JSON_HEDLEY_NULL ((void*) 0) -#endif - -#if defined(JSON_HEDLEY_MESSAGE) -#undef JSON_HEDLEY_MESSAGE -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_MESSAGE(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(message msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message msg) -#elif JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(_CRI message msg) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_WARNING) -#undef JSON_HEDLEY_WARNING -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_WARNING(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(clang warning msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,8,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(GCC warning msg) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_REQUIRE) -#undef JSON_HEDLEY_REQUIRE -#endif -#if defined(JSON_HEDLEY_REQUIRE_MSG) -#undef JSON_HEDLEY_REQUIRE_MSG -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(diagnose_if) -# if JSON_HEDLEY_HAS_WARNING("-Wgcc-compat") -# define JSON_HEDLEY_REQUIRE(expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), #expr, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), msg, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_REQUIRE(expr) __attribute__((diagnose_if(!(expr), #expr, "error"))) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) __attribute__((diagnose_if(!(expr), msg, "error"))) -# endif -#else -# define JSON_HEDLEY_REQUIRE(expr) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) -#endif - -#if defined(JSON_HEDLEY_FLAGS) -#undef JSON_HEDLEY_FLAGS -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum) -#define JSON_HEDLEY_FLAGS __attribute__((__flag_enum__)) -#else -#define JSON_HEDLEY_FLAGS -#endif - -#if defined(JSON_HEDLEY_FLAGS_CAST) -#undef JSON_HEDLEY_FLAGS_CAST -#endif -#if JSON_HEDLEY_INTEL_VERSION_CHECK(19,0,0) -# define JSON_HEDLEY_FLAGS_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("warning(disable:188)") \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_FLAGS_CAST(T, expr) JSON_HEDLEY_STATIC_CAST(T, expr) -#endif - -#if defined(JSON_HEDLEY_EMPTY_BASES) -#undef JSON_HEDLEY_EMPTY_BASES -#endif -#if \ - (JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0)) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_EMPTY_BASES __declspec(empty_bases) -#else -#define JSON_HEDLEY_EMPTY_BASES -#endif - -/* Remaining macros are deprecated. */ - -#if defined(JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK) -#undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#endif -#if defined(__clang__) -#define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) (0) -#else -#define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_CLANG_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_BUILTIN) -#undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#endif -#define JSON_HEDLEY_CLANG_HAS_BUILTIN(builtin) JSON_HEDLEY_HAS_BUILTIN(builtin) - -#if defined(JSON_HEDLEY_CLANG_HAS_FEATURE) -#undef JSON_HEDLEY_CLANG_HAS_FEATURE -#endif -#define JSON_HEDLEY_CLANG_HAS_FEATURE(feature) JSON_HEDLEY_HAS_FEATURE(feature) - -#if defined(JSON_HEDLEY_CLANG_HAS_EXTENSION) -#undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#endif -#define JSON_HEDLEY_CLANG_HAS_EXTENSION(extension) JSON_HEDLEY_HAS_EXTENSION(extension) - -#if defined(JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_DECLSPEC_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_WARNING) -#undef JSON_HEDLEY_CLANG_HAS_WARNING -#endif -#define JSON_HEDLEY_CLANG_HAS_WARNING(warning) JSON_HEDLEY_HAS_WARNING(warning) - -#endif /* !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < X) */ - - -// This file contains all internal macro definitions -// You MUST include macro_unscope.hpp at the end of json.hpp to undef all of them - -// exclude unsupported compilers -#if !defined(JSON_SKIP_UNSUPPORTED_COMPILER_CHECK) -#if defined(__clang__) -#if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400 -#error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" -#endif -#elif defined(__GNUC__) && !(defined(__ICC) || defined(__INTEL_COMPILER)) -#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40800 -#error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" -#endif -#endif -#endif - -// C++ language standard detection -#if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) -#define JSON_HAS_CPP_20 -#define JSON_HAS_CPP_17 -#define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 -#define JSON_HAS_CPP_17 -#define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) -#define JSON_HAS_CPP_14 -#endif - -// disable float-equal warnings on GCC/clang -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wfloat-equal" -#endif - -// disable documentation warnings on clang -#if defined(__clang__) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wdocumentation" -#endif - -// allow to disable exceptions -#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(JSON_NOEXCEPTION) -#define JSON_THROW(exception) throw exception -#define JSON_TRY try -#define JSON_CATCH(exception) catch(exception) -#define JSON_INTERNAL_CATCH(exception) catch(exception) -#else -#include -#define JSON_THROW(exception) std::abort() -#define JSON_TRY if(true) -#define JSON_CATCH(exception) if(false) -#define JSON_INTERNAL_CATCH(exception) if(false) -#endif - -// override exception macros -#if defined(JSON_THROW_USER) -#undef JSON_THROW -#define JSON_THROW JSON_THROW_USER -#endif -#if defined(JSON_TRY_USER) -#undef JSON_TRY -#define JSON_TRY JSON_TRY_USER -#endif -#if defined(JSON_CATCH_USER) -#undef JSON_CATCH -#define JSON_CATCH JSON_CATCH_USER -#undef JSON_INTERNAL_CATCH -#define JSON_INTERNAL_CATCH JSON_CATCH_USER -#endif -#if defined(JSON_INTERNAL_CATCH_USER) -#undef JSON_INTERNAL_CATCH -#define JSON_INTERNAL_CATCH JSON_INTERNAL_CATCH_USER -#endif - -// allow to override assert -#if !defined(JSON_ASSERT) -#include // assert -#define JSON_ASSERT(x) assert(x) -#endif - -// allow to access some private functions (needed by the test suite) -#if defined(JSON_TESTS_PRIVATE) -#define JSON_PRIVATE_UNLESS_TESTED public -#else -#define JSON_PRIVATE_UNLESS_TESTED private -#endif - -/*! -@brief macro to briefly define a mapping between an enum and JSON -@def NLOHMANN_JSON_SERIALIZE_ENUM -@since version 3.4.0 -*/ -#define NLOHMANN_JSON_SERIALIZE_ENUM(ENUM_TYPE, ...) \ - template \ - inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [e](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.first == e; \ - }); \ - j = ((it != std::end(m)) ? it : std::begin(m))->second; \ - } \ - template \ - inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [&j](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.second == j; \ - }); \ - e = ((it != std::end(m)) ? it : std::begin(m))->first; \ - } - -// Ugly macros to avoid uglier copy-paste when specializing basic_json. They -// may be removed in the future once the class is split. - -#define NLOHMANN_BASIC_JSON_TPL_DECLARATION \ - template class ObjectType, \ - template class ArrayType, \ - class StringType, class BooleanType, class NumberIntegerType, \ - class NumberUnsignedType, class NumberFloatType, \ - template class AllocatorType, \ - template class JSONSerializer, \ - class BinaryType> - -#define NLOHMANN_BASIC_JSON_TPL \ - basic_json - -// Macros to simplify conversion from/to types - -#define NLOHMANN_JSON_EXPAND( x ) x -#define NLOHMANN_JSON_GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, NAME,...) NAME -#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \ - NLOHMANN_JSON_PASTE64, \ - NLOHMANN_JSON_PASTE63, \ - NLOHMANN_JSON_PASTE62, \ - NLOHMANN_JSON_PASTE61, \ - NLOHMANN_JSON_PASTE60, \ - NLOHMANN_JSON_PASTE59, \ - NLOHMANN_JSON_PASTE58, \ - NLOHMANN_JSON_PASTE57, \ - NLOHMANN_JSON_PASTE56, \ - NLOHMANN_JSON_PASTE55, \ - NLOHMANN_JSON_PASTE54, \ - NLOHMANN_JSON_PASTE53, \ - NLOHMANN_JSON_PASTE52, \ - NLOHMANN_JSON_PASTE51, \ - NLOHMANN_JSON_PASTE50, \ - NLOHMANN_JSON_PASTE49, \ - NLOHMANN_JSON_PASTE48, \ - NLOHMANN_JSON_PASTE47, \ - NLOHMANN_JSON_PASTE46, \ - NLOHMANN_JSON_PASTE45, \ - NLOHMANN_JSON_PASTE44, \ - NLOHMANN_JSON_PASTE43, \ - NLOHMANN_JSON_PASTE42, \ - NLOHMANN_JSON_PASTE41, \ - NLOHMANN_JSON_PASTE40, \ - NLOHMANN_JSON_PASTE39, \ - NLOHMANN_JSON_PASTE38, \ - NLOHMANN_JSON_PASTE37, \ - NLOHMANN_JSON_PASTE36, \ - NLOHMANN_JSON_PASTE35, \ - NLOHMANN_JSON_PASTE34, \ - NLOHMANN_JSON_PASTE33, \ - NLOHMANN_JSON_PASTE32, \ - NLOHMANN_JSON_PASTE31, \ - NLOHMANN_JSON_PASTE30, \ - NLOHMANN_JSON_PASTE29, \ - NLOHMANN_JSON_PASTE28, \ - NLOHMANN_JSON_PASTE27, \ - NLOHMANN_JSON_PASTE26, \ - NLOHMANN_JSON_PASTE25, \ - NLOHMANN_JSON_PASTE24, \ - NLOHMANN_JSON_PASTE23, \ - NLOHMANN_JSON_PASTE22, \ - NLOHMANN_JSON_PASTE21, \ - NLOHMANN_JSON_PASTE20, \ - NLOHMANN_JSON_PASTE19, \ - NLOHMANN_JSON_PASTE18, \ - NLOHMANN_JSON_PASTE17, \ - NLOHMANN_JSON_PASTE16, \ - NLOHMANN_JSON_PASTE15, \ - NLOHMANN_JSON_PASTE14, \ - NLOHMANN_JSON_PASTE13, \ - NLOHMANN_JSON_PASTE12, \ - NLOHMANN_JSON_PASTE11, \ - NLOHMANN_JSON_PASTE10, \ - NLOHMANN_JSON_PASTE9, \ - NLOHMANN_JSON_PASTE8, \ - NLOHMANN_JSON_PASTE7, \ - NLOHMANN_JSON_PASTE6, \ - NLOHMANN_JSON_PASTE5, \ - NLOHMANN_JSON_PASTE4, \ - NLOHMANN_JSON_PASTE3, \ - NLOHMANN_JSON_PASTE2, \ - NLOHMANN_JSON_PASTE1)(__VA_ARGS__)) -#define NLOHMANN_JSON_PASTE2(func, v1) func(v1) -#define NLOHMANN_JSON_PASTE3(func, v1, v2) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE2(func, v2) -#define NLOHMANN_JSON_PASTE4(func, v1, v2, v3) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE3(func, v2, v3) -#define NLOHMANN_JSON_PASTE5(func, v1, v2, v3, v4) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE4(func, v2, v3, v4) -#define NLOHMANN_JSON_PASTE6(func, v1, v2, v3, v4, v5) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE5(func, v2, v3, v4, v5) -#define NLOHMANN_JSON_PASTE7(func, v1, v2, v3, v4, v5, v6) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE6(func, v2, v3, v4, v5, v6) -#define NLOHMANN_JSON_PASTE8(func, v1, v2, v3, v4, v5, v6, v7) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE7(func, v2, v3, v4, v5, v6, v7) -#define NLOHMANN_JSON_PASTE9(func, v1, v2, v3, v4, v5, v6, v7, v8) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8) -#define NLOHMANN_JSON_PASTE10(func, v1, v2, v3, v4, v5, v6, v7, v8, v9) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE9(func, v2, v3, v4, v5, v6, v7, v8, v9) -#define NLOHMANN_JSON_PASTE11(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE10(func, v2, v3, v4, v5, v6, v7, v8, v9, v10) -#define NLOHMANN_JSON_PASTE12(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE11(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) -#define NLOHMANN_JSON_PASTE13(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE12(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) -#define NLOHMANN_JSON_PASTE14(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE13(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) -#define NLOHMANN_JSON_PASTE15(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE14(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) -#define NLOHMANN_JSON_PASTE16(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE15(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) -#define NLOHMANN_JSON_PASTE17(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE16(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) -#define NLOHMANN_JSON_PASTE18(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE17(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) -#define NLOHMANN_JSON_PASTE19(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE18(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) -#define NLOHMANN_JSON_PASTE20(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE19(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) -#define NLOHMANN_JSON_PASTE21(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE20(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) -#define NLOHMANN_JSON_PASTE22(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE21(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) -#define NLOHMANN_JSON_PASTE23(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE22(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) -#define NLOHMANN_JSON_PASTE24(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE23(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) -#define NLOHMANN_JSON_PASTE25(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE24(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) -#define NLOHMANN_JSON_PASTE26(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE25(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) -#define NLOHMANN_JSON_PASTE27(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE26(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) -#define NLOHMANN_JSON_PASTE28(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE27(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) -#define NLOHMANN_JSON_PASTE29(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE28(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) -#define NLOHMANN_JSON_PASTE30(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE29(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) -#define NLOHMANN_JSON_PASTE31(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE30(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) -#define NLOHMANN_JSON_PASTE32(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE31(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) -#define NLOHMANN_JSON_PASTE33(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE32(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) -#define NLOHMANN_JSON_PASTE34(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE33(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) -#define NLOHMANN_JSON_PASTE35(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE34(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) -#define NLOHMANN_JSON_PASTE36(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE35(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) -#define NLOHMANN_JSON_PASTE37(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE36(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) -#define NLOHMANN_JSON_PASTE38(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE37(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) -#define NLOHMANN_JSON_PASTE39(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE38(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) -#define NLOHMANN_JSON_PASTE40(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE39(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) -#define NLOHMANN_JSON_PASTE41(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE40(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) -#define NLOHMANN_JSON_PASTE42(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE41(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) -#define NLOHMANN_JSON_PASTE43(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE42(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) -#define NLOHMANN_JSON_PASTE44(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE43(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) -#define NLOHMANN_JSON_PASTE45(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE44(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) -#define NLOHMANN_JSON_PASTE46(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE45(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) -#define NLOHMANN_JSON_PASTE47(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE46(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) -#define NLOHMANN_JSON_PASTE48(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE47(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) -#define NLOHMANN_JSON_PASTE49(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE48(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) -#define NLOHMANN_JSON_PASTE50(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE49(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) -#define NLOHMANN_JSON_PASTE51(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE50(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) -#define NLOHMANN_JSON_PASTE52(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE51(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) -#define NLOHMANN_JSON_PASTE53(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE52(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) -#define NLOHMANN_JSON_PASTE54(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE53(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) -#define NLOHMANN_JSON_PASTE55(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE54(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) -#define NLOHMANN_JSON_PASTE56(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE55(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) -#define NLOHMANN_JSON_PASTE57(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE56(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) -#define NLOHMANN_JSON_PASTE58(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE57(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) -#define NLOHMANN_JSON_PASTE59(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE58(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) -#define NLOHMANN_JSON_PASTE60(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE59(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) -#define NLOHMANN_JSON_PASTE61(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE60(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) -#define NLOHMANN_JSON_PASTE62(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE61(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) -#define NLOHMANN_JSON_PASTE63(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE62(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) -#define NLOHMANN_JSON_PASTE64(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE63(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) - -#define NLOHMANN_JSON_TO(v1) nlohmann_json_j[#v1] = nlohmann_json_t.v1; -#define NLOHMANN_JSON_FROM(v1) nlohmann_json_j.at(#v1).get_to(nlohmann_json_t.v1); - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \ - friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \ - inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -#ifndef JSON_USE_IMPLICIT_CONVERSIONS -#define JSON_USE_IMPLICIT_CONVERSIONS 1 -#endif - -#if JSON_USE_IMPLICIT_CONVERSIONS -#define JSON_EXPLICIT -#else -#define JSON_EXPLICIT explicit -#endif - - -namespace nlohmann -{ -namespace detail -{ -//////////////// -// exceptions // -//////////////// - -/*! -@brief general exception of the @ref basic_json class - -This class is an extension of `std::exception` objects with a member @a id for -exception ids. It is used as the base class for all exceptions thrown by the -@ref basic_json class. This class can hence be used as "wildcard" to catch -exceptions. - -Subclasses: -- @ref parse_error for exceptions indicating a parse error -- @ref invalid_iterator for exceptions indicating errors with iterators -- @ref type_error for exceptions indicating executing a member function with - a wrong type -- @ref out_of_range for exceptions indicating access out of the defined range -- @ref other_error for exceptions indicating other library errors - -@internal -@note To have nothrow-copy-constructible exceptions, we internally use - `std::runtime_error` which can cope with arbitrary-length error messages. - Intermediate strings are built with static functions and then passed to - the actual constructor. -@endinternal - -@liveexample{The following code shows how arbitrary library exceptions can be -caught.,exception} - -@since version 3.0.0 -*/ -class exception : public std::exception -{ -public: -/// returns the explanatory string -JSON_HEDLEY_RETURNS_NON_NULL -const char* what() const noexcept override -{ -return m.what(); -} - -/// the id of the exception -const int id; - -protected: -JSON_HEDLEY_NON_NULL(3) -exception(int id_, const char* what_arg) : id(id_), m(what_arg) {} - -static std::string name(const std::string& ename, int id_) -{ -return "[json.exception." + ename + "." + std::to_string(id_) + "] "; -} - -private: -/// an exception object as storage for error messages -std::runtime_error m; -}; - -/*! -@brief exception indicating a parse error - -This exception is thrown by the library when a parse error occurs. Parse errors -can occur during the deserialization of JSON text, CBOR, MessagePack, as well -as when using JSON Patch. - -Member @a byte holds the byte index of the last read character in the input -file. - -Exceptions have ids 1xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.parse_error.101 | parse error at 2: unexpected end of input; expected string literal | This error indicates a syntax error while deserializing a JSON text. The error message describes that an unexpected token (character) was encountered, and the member @a byte indicates the error position. -json.exception.parse_error.102 | parse error at 14: missing or wrong low surrogate | JSON uses the `\uxxxx` format to describe Unicode characters. Code points above above 0xFFFF are split into two `\uxxxx` entries ("surrogate pairs"). This error indicates that the surrogate pair is incomplete or contains an invalid code point. -json.exception.parse_error.103 | parse error: code points above 0x10FFFF are invalid | Unicode supports code points up to 0x10FFFF. Code points above 0x10FFFF are invalid. -json.exception.parse_error.104 | parse error: JSON patch must be an array of objects | [RFC 6902](https://tools.ietf.org/html/rfc6902) requires a JSON Patch document to be a JSON document that represents an array of objects. -json.exception.parse_error.105 | parse error: operation must have string member 'op' | An operation of a JSON Patch document must contain exactly one "op" member, whose value indicates the operation to perform. Its value must be one of "add", "remove", "replace", "move", "copy", or "test"; other values are errors. -json.exception.parse_error.106 | parse error: array index '01' must not begin with '0' | An array index in a JSON Pointer ([RFC 6901](https://tools.ietf.org/html/rfc6901)) may be `0` or any number without a leading `0`. -json.exception.parse_error.107 | parse error: JSON pointer must be empty or begin with '/' - was: 'foo' | A JSON Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a `/` character. -json.exception.parse_error.108 | parse error: escape character '~' must be followed with '0' or '1' | In a JSON Pointer, only `~0` and `~1` are valid escape sequences. -json.exception.parse_error.109 | parse error: array index 'one' is not a number | A JSON Pointer array index must be a number. -json.exception.parse_error.110 | parse error at 1: cannot read 2 bytes from vector | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read. -json.exception.parse_error.112 | parse error at 1: error reading CBOR; last byte: 0xF8 | Not all types of CBOR or MessagePack are supported. This exception occurs if an unsupported byte was read. -json.exception.parse_error.113 | parse error at 2: expected a CBOR string; last byte: 0x98 | While parsing a map key, a value that is not a string has been read. -json.exception.parse_error.114 | parse error: Unsupported BSON record type 0x0F | The parsing of the corresponding BSON record type is not implemented (yet). -json.exception.parse_error.115 | parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1A | A UBJSON high-precision number could not be parsed. - -@note For an input with n bytes, 1 is the index of the first character and n+1 - is the index of the terminating null byte or the end of file. This also - holds true when reading a byte vector (CBOR or MessagePack). - -@liveexample{The following code shows how a `parse_error` exception can be -caught.,parse_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class parse_error : public exception -{ -public: -/*! - @brief create a parse error exception - @param[in] id_ the id of the exception - @param[in] pos the position where the error occurred (or with - chars_read_total=0 if the position cannot be - determined) - @param[in] what_arg the explanatory string - @return parse_error object - */ -static parse_error create(int id_, const position_t& pos, const std::string& what_arg) -{ -std::string w = exception::name("parse_error", id_) + "parse error" + -position_string(pos) + ": " + what_arg; -return parse_error(id_, pos.chars_read_total, w.c_str()); -} - -static parse_error create(int id_, std::size_t byte_, const std::string& what_arg) -{ -std::string w = exception::name("parse_error", id_) + "parse error" + -(byte_ != 0 ? (" at byte " + std::to_string(byte_)) : "") + -": " + what_arg; -return parse_error(id_, byte_, w.c_str()); -} - -/*! - @brief byte index of the parse error - - The byte index of the last read character in the input file. - - @note For an input with n bytes, 1 is the index of the first character and - n+1 is the index of the terminating null byte or the end of file. - This also holds true when reading a byte vector (CBOR or MessagePack). - */ -const std::size_t byte; - -private: -parse_error(int id_, std::size_t byte_, const char* what_arg) -: exception(id_, what_arg), byte(byte_) {} - -static std::string position_string(const position_t& pos) -{ -return " at line " + std::to_string(pos.lines_read + 1) + -", column " + std::to_string(pos.chars_read_current_line); -} -}; - -/*! -@brief exception indicating errors with iterators - -This exception is thrown if iterators passed to a library function do not match -the expected semantics. - -Exceptions have ids 2xx. - -name / id | example message | description ------------------------------------ | --------------- | ------------------------- -json.exception.invalid_iterator.201 | iterators are not compatible | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.202 | iterator does not fit current value | In an erase or insert function, the passed iterator @a pos does not belong to the JSON value for which the function was called. It hence does not define a valid position for the deletion/insertion. -json.exception.invalid_iterator.203 | iterators do not fit current value | Either iterator passed to function @ref erase(IteratorType first, IteratorType last) does not belong to the JSON value from which values shall be erased. It hence does not define a valid range to delete values from. -json.exception.invalid_iterator.204 | iterators out of range | When an iterator range for a primitive type (number, boolean, or string) is passed to a constructor or an erase function, this range has to be exactly (@ref begin(), @ref end()), because this is the only way the single stored value is expressed. All other ranges are invalid. -json.exception.invalid_iterator.205 | iterator out of range | When an iterator for a primitive type (number, boolean, or string) is passed to an erase function, the iterator has to be the @ref begin() iterator, because it is the only way to address the stored value. All other iterators are invalid. -json.exception.invalid_iterator.206 | cannot construct with iterators from null | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) belong to a JSON null value and hence to not define a valid range. -json.exception.invalid_iterator.207 | cannot use key() for non-object iterators | The key() member function can only be used on iterators belonging to a JSON object, because other types do not have a concept of a key. -json.exception.invalid_iterator.208 | cannot use operator[] for object iterators | The operator[] to specify a concrete offset cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.209 | cannot use offsets with object iterators | The offset operators (+, -, +=, -=) cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.210 | iterators do not fit | The iterator range passed to the insert function are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.211 | passed iterators may not belong to container | The iterator range passed to the insert function must not be a subrange of the container to insert to. -json.exception.invalid_iterator.212 | cannot compare iterators of different containers | When two iterators are compared, they must belong to the same container. -json.exception.invalid_iterator.213 | cannot compare order of object iterators | The order of object iterators cannot be compared, because JSON objects are unordered. -json.exception.invalid_iterator.214 | cannot get value | Cannot get value for iterator: Either the iterator belongs to a null value or it is an iterator to a primitive type (number, boolean, or string), but the iterator is different to @ref begin(). - -@liveexample{The following code shows how an `invalid_iterator` exception can be -caught.,invalid_iterator} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class invalid_iterator : public exception -{ -public: -static invalid_iterator create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("invalid_iterator", id_) + what_arg; -return invalid_iterator(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -invalid_iterator(int id_, const char* what_arg) -: exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating executing a member function with a wrong type - -This exception is thrown in case of a type error; that is, a library function is -executed on a JSON value whose type does not match the expected semantics. - -Exceptions have ids 3xx. - -name / id | example message | description ------------------------------ | --------------- | ------------------------- -json.exception.type_error.301 | cannot create object from initializer list | To create an object from an initializer list, the initializer list must consist only of a list of pairs whose first element is a string. When this constraint is violated, an array is created instead. -json.exception.type_error.302 | type must be object, but is array | During implicit or explicit value conversion, the JSON type must be compatible to the target type. For instance, a JSON string can only be converted into string types, but not into numbers or boolean types. -json.exception.type_error.303 | incompatible ReferenceType for get_ref, actual type is object | To retrieve a reference to a value stored in a @ref basic_json object with @ref get_ref, the type of the reference must match the value type. For instance, for a JSON array, the @a ReferenceType must be @ref array_t &. -json.exception.type_error.304 | cannot use at() with string | The @ref at() member functions can only be executed for certain JSON types. -json.exception.type_error.305 | cannot use operator[] with string | The @ref operator[] member functions can only be executed for certain JSON types. -json.exception.type_error.306 | cannot use value() with string | The @ref value() member functions can only be executed for certain JSON types. -json.exception.type_error.307 | cannot use erase() with string | The @ref erase() member functions can only be executed for certain JSON types. -json.exception.type_error.308 | cannot use push_back() with string | The @ref push_back() and @ref operator+= member functions can only be executed for certain JSON types. -json.exception.type_error.309 | cannot use insert() with | The @ref insert() member functions can only be executed for certain JSON types. -json.exception.type_error.310 | cannot use swap() with number | The @ref swap() member functions can only be executed for certain JSON types. -json.exception.type_error.311 | cannot use emplace_back() with string | The @ref emplace_back() member function can only be executed for certain JSON types. -json.exception.type_error.312 | cannot use update() with string | The @ref update() member functions can only be executed for certain JSON types. -json.exception.type_error.313 | invalid value to unflatten | The @ref unflatten function converts an object whose keys are JSON Pointers back into an arbitrary nested JSON value. The JSON Pointers must not overlap, because then the resulting value would not be well defined. -json.exception.type_error.314 | only objects can be unflattened | The @ref unflatten function only works for an object whose keys are JSON Pointers. -json.exception.type_error.315 | values in object must be primitive | The @ref unflatten function only works for an object whose keys are JSON Pointers and whose values are primitive. -json.exception.type_error.316 | invalid UTF-8 byte at index 10: 0x7E | The @ref dump function only works with UTF-8 encoded strings; that is, if you assign a `std::string` to a JSON value, make sure it is UTF-8 encoded. | -json.exception.type_error.317 | JSON value cannot be serialized to requested format | The dynamic type of the object cannot be represented in the requested serialization format (e.g. a raw `true` or `null` JSON object cannot be serialized to BSON) | - -@liveexample{The following code shows how a `type_error` exception can be -caught.,type_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class type_error : public exception -{ -public: -static type_error create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("type_error", id_) + what_arg; -return type_error(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -type_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating access out of the defined range - -This exception is thrown in case a library function is called on an input -parameter that exceeds the expected range, for instance in case of array -indices or nonexisting object keys. - -Exceptions have ids 4xx. - -name / id | example message | description -------------------------------- | --------------- | ------------------------- -json.exception.out_of_range.401 | array index 3 is out of range | The provided array index @a i is larger than @a size-1. -json.exception.out_of_range.402 | array index '-' (3) is out of range | The special array index `-` in a JSON Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it. -json.exception.out_of_range.403 | key 'foo' not found | The provided key was not found in the JSON object. -json.exception.out_of_range.404 | unresolved reference token 'foo' | A reference token in a JSON Pointer could not be resolved. -json.exception.out_of_range.405 | JSON pointer has no parent | The JSON Patch operations 'remove' and 'add' can not be applied to the root element of the JSON value. -json.exception.out_of_range.406 | number overflow parsing '10E1000' | A parsed number could not be stored as without changing it to NaN or INF. -json.exception.out_of_range.407 | number overflow serializing '9223372036854775808' | UBJSON and BSON only support integer numbers up to 9223372036854775807. (until version 3.8.0) | -json.exception.out_of_range.408 | excessive array size: 8658170730974374167 | The size (following `#`) of an UBJSON array or object exceeds the maximal capacity. | -json.exception.out_of_range.409 | BSON key cannot contain code point U+0000 (at byte 2) | Key identifiers to be serialized to BSON cannot contain code point U+0000, since the key is stored as zero-terminated c-string | - -@liveexample{The following code shows how an `out_of_range` exception can be -caught.,out_of_range} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class out_of_range : public exception -{ -public: -static out_of_range create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("out_of_range", id_) + what_arg; -return out_of_range(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -out_of_range(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating other library errors - -This exception is thrown in case of errors that cannot be classified with the -other exception types. - -Exceptions have ids 5xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.other_error.501 | unsuccessful: {"op":"test","path":"/baz", "value":"bar"} | A JSON Patch operation 'test' failed. The unsuccessful operation is also printed. - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range - -@liveexample{The following code shows how an `other_error` exception can be -caught.,other_error} - -@since version 3.0.0 -*/ -class other_error : public exception -{ -public: -static other_error create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("other_error", id_) + what_arg; -return other_error(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -other_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // conditional, enable_if, false_type, integral_constant, is_constructible, is_integral, is_same, remove_cv, remove_reference, true_type -#include // index_sequence, make_index_sequence, index_sequence_for - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -template -using uncvref_t = typename std::remove_cv::type>::type; - -#ifdef JSON_HAS_CPP_14 - -// the following utilities are natively available in C++14 -using std::enable_if_t; -using std::index_sequence; -using std::make_index_sequence; -using std::index_sequence_for; - -#else - -// alias templates to reduce boilerplate -template -using enable_if_t = typename std::enable_if::type; - -// source: https://stackoverflow.com/a/32223343 -template -struct index_sequence -{ -using type = index_sequence; -using value_type = std::size_t; -static constexpr std::size_t size() noexcept -{ -return sizeof...(Ints); -} -}; - -template -struct merge_and_renumber; - -template -struct merge_and_renumber, index_sequence> -: index_sequence < I1..., (sizeof...(I1) + I2)... > {}; - -template -struct make_index_sequence -: merge_and_renumber < typename make_index_sequence < N / 2 >::type, -typename make_index_sequence < N - N / 2 >::type > {}; - -template<> struct make_index_sequence<0> : index_sequence<> {}; -template<> struct make_index_sequence<1> : index_sequence<0> {}; - -template -using index_sequence_for = make_index_sequence; - -#endif - -// dispatch utility (taken from ranges-v3) -template struct priority_tag : priority_tag < N - 1 > {}; -template<> struct priority_tag<0> {}; - -// taken from ranges-v3 -template -struct static_const -{ -static constexpr T value{}; -}; - -template -constexpr T static_const::value; - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // numeric_limits -#include // false_type, is_constructible, is_integral, is_same, true_type -#include // declval - -// #include - - -#include // random_access_iterator_tag - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template struct make_void -{ -using type = void; -}; -template using void_t = typename make_void::type; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -struct iterator_types {}; - -template -struct iterator_types < -It, -void_t> -{ -using difference_type = typename It::difference_type; -using value_type = typename It::value_type; -using pointer = typename It::pointer; -using reference = typename It::reference; -using iterator_category = typename It::iterator_category; -}; - -// This is required as some compilers implement std::iterator_traits in a way that -// doesn't work with SFINAE. See https://github.com/nlohmann/json/issues/1341. -template -struct iterator_traits -{ -}; - -template -struct iterator_traits < T, enable_if_t < !std::is_pointer::value >> -: iterator_types -{ -}; - -template -struct iterator_traits::value>> -{ -using iterator_category = std::random_access_iterator_tag; -using value_type = T; -using difference_type = ptrdiff_t; -using pointer = T*; -using reference = T&; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include - -// #include - - -// https://en.cppreference.com/w/cpp/experimental/is_detected -namespace nlohmann -{ -namespace detail -{ -struct nonesuch -{ -nonesuch() = delete; -~nonesuch() = delete; -nonesuch(nonesuch const&) = delete; -nonesuch(nonesuch const&&) = delete; -void operator=(nonesuch const&) = delete; -void operator=(nonesuch&&) = delete; -}; - -template class Op, -class... Args> -struct detector -{ -using value_t = std::false_type; -using type = Default; -}; - -template class Op, class... Args> -struct detector>, Op, Args...> -{ -using value_t = std::true_type; -using type = Op; -}; - -template class Op, class... Args> -using is_detected = typename detector::value_t; - -template class Op, class... Args> -using detected_t = typename detector::type; - -template class Op, class... Args> -using detected_or = detector; - -template class Op, class... Args> -using detected_or_t = typename detected_or::type; - -template class Op, class... Args> -using is_detected_exact = std::is_same>; - -template class Op, class... Args> -using is_detected_convertible = -std::is_convertible, To>; -} // namespace detail -} // namespace nlohmann - -// #include -#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ -#define INCLUDE_NLOHMANN_JSON_FWD_HPP_ - -#include // int64_t, uint64_t -#include // map -#include // allocator -#include // string -#include // vector - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ -/*! -@brief default JSONSerializer template argument - -This serializer ignores the template arguments and uses ADL -([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl)) -for serialization. -*/ -template -struct adl_serializer; - -template class ObjectType = -std::map, -template class ArrayType = std::vector, -class StringType = std::string, class BooleanType = bool, -class NumberIntegerType = std::int64_t, -class NumberUnsignedType = std::uint64_t, -class NumberFloatType = double, -template class AllocatorType = std::allocator, -template class JSONSerializer = -adl_serializer, -class BinaryType = std::vector> -class basic_json; - -/*! -@brief JSON Pointer - -A JSON pointer defines a string syntax for identifying a specific value -within a JSON document. It can be used with functions `at` and -`operator[]`. Furthermore, JSON pointers are the base for JSON patches. - -@sa [RFC 6901](https://tools.ietf.org/html/rfc6901) - -@since version 2.0.0 -*/ -template -class json_pointer; - -/*! -@brief default JSON class - -This type is the default specialization of the @ref basic_json class which -uses the standard template types. - -@since version 1.0.0 -*/ -using json = basic_json<>; - -template -struct ordered_map; - -/*! -@brief ordered JSON class - -This type preserves the insertion order of object keys. - -@since version 3.9.0 -*/ -using ordered_json = basic_json; - -} // namespace nlohmann - -#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_ - - -namespace nlohmann -{ -/*! -@brief detail namespace with internal helper functions - -This namespace collects functions that should not be exposed, -implementations of some @ref basic_json methods, and meta-programming helpers. - -@since version 2.1.0 -*/ -namespace detail -{ -///////////// -// helpers // -///////////// - -// Note to maintainers: -// -// Every trait in this file expects a non CV-qualified type. -// The only exceptions are in the 'aliases for detected' section -// (i.e. those of the form: decltype(T::member_function(std::declval()))) -// -// In this case, T has to be properly CV-qualified to constraint the function arguments -// (e.g. to_json(BasicJsonType&, const T&)) - -template struct is_basic_json : std::false_type {}; - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -struct is_basic_json : std::true_type {}; - -////////////////////// -// json_ref helpers // -////////////////////// - -template -class json_ref; - -template -struct is_json_ref : std::false_type {}; - -template -struct is_json_ref> : std::true_type {}; - -////////////////////////// -// aliases for detected // -////////////////////////// - -template -using mapped_type_t = typename T::mapped_type; - -template -using key_type_t = typename T::key_type; - -template -using value_type_t = typename T::value_type; - -template -using difference_type_t = typename T::difference_type; - -template -using pointer_t = typename T::pointer; - -template -using reference_t = typename T::reference; - -template -using iterator_category_t = typename T::iterator_category; - -template -using iterator_t = typename T::iterator; - -template -using to_json_function = decltype(T::to_json(std::declval()...)); - -template -using from_json_function = decltype(T::from_json(std::declval()...)); - -template -using get_template_function = decltype(std::declval().template get()); - -// trait checking if JSONSerializer::from_json(json const&, udt&) exists -template -struct has_from_json : std::false_type {}; - -// trait checking if j.get is valid -// use this trait instead of std::is_constructible or std::is_convertible, -// both rely on, or make use of implicit conversions, and thus fail when T -// has several constructors/operator= (see https://github.com/nlohmann/json/issues/958) -template -struct is_getable -{ -static constexpr bool value = is_detected::value; -}; - -template -struct has_from_json < BasicJsonType, T, -enable_if_t < !is_basic_json::value >> -{ -using serializer = typename BasicJsonType::template json_serializer; - -static constexpr bool value = -is_detected_exact::value; -}; - -// This trait checks if JSONSerializer::from_json(json const&) exists -// this overload is used for non-default-constructible user-defined-types -template -struct has_non_default_from_json : std::false_type {}; - -template -struct has_non_default_from_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ -using serializer = typename BasicJsonType::template json_serializer; - -static constexpr bool value = -is_detected_exact::value; -}; - -// This trait checks if BasicJsonType::json_serializer::to_json exists -// Do not evaluate the trait when T is a basic_json type, to avoid template instantiation infinite recursion. -template -struct has_to_json : std::false_type {}; - -template -struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ -using serializer = typename BasicJsonType::template json_serializer; - -static constexpr bool value = -is_detected_exact::value; -}; - - -/////////////////// -// is_ functions // -/////////////////// - -template -struct is_iterator_traits : std::false_type {}; - -template -struct is_iterator_traits> -{ -private: -using traits = iterator_traits; - -public: -static constexpr auto value = -is_detected::value && -is_detected::value && -is_detected::value && -is_detected::value && -is_detected::value; -}; - -// The following implementation of is_complete_type is taken from -// https://blogs.msdn.microsoft.com/vcblog/2015/12/02/partial-support-for-expression-sfinae-in-vs-2015-update-1/ -// and is written by Xiang Fan who agreed to using it in this library. - -template -struct is_complete_type : std::false_type {}; - -template -struct is_complete_type : std::true_type {}; - -template -struct is_compatible_object_type_impl : std::false_type {}; - -template -struct is_compatible_object_type_impl < -BasicJsonType, CompatibleObjectType, -enable_if_t < is_detected::value&& -is_detected::value >> -{ -using object_t = typename BasicJsonType::object_t; - -// macOS's is_constructible does not play well with nonesuch... -static constexpr bool value = -std::is_constructible::value && -std::is_constructible::value; -}; - -template -struct is_compatible_object_type -: is_compatible_object_type_impl {}; - -template -struct is_constructible_object_type_impl : std::false_type {}; - -template -struct is_constructible_object_type_impl < -BasicJsonType, ConstructibleObjectType, -enable_if_t < is_detected::value&& -is_detected::value >> -{ -using object_t = typename BasicJsonType::object_t; - -static constexpr bool value = -(std::is_default_constructible::value && -(std::is_move_assignable::value || -std::is_copy_assignable::value) && -(std::is_constructible::value && -std::is_same < -typename object_t::mapped_type, -typename ConstructibleObjectType::mapped_type >::value)) || -(has_from_json::value || -has_non_default_from_json < -BasicJsonType, -typename ConstructibleObjectType::mapped_type >::value); -}; - -template -struct is_constructible_object_type -: is_constructible_object_type_impl {}; - -template -struct is_compatible_string_type_impl : std::false_type {}; - -template -struct is_compatible_string_type_impl < -BasicJsonType, CompatibleStringType, -enable_if_t::value >> -{ -static constexpr auto value = -std::is_constructible::value; -}; - -template -struct is_compatible_string_type -: is_compatible_string_type_impl {}; - -template -struct is_constructible_string_type_impl : std::false_type {}; - -template -struct is_constructible_string_type_impl < -BasicJsonType, ConstructibleStringType, -enable_if_t::value >> -{ -static constexpr auto value = -std::is_constructible::value; -}; - -template -struct is_constructible_string_type -: is_constructible_string_type_impl {}; - -template -struct is_compatible_array_type_impl : std::false_type {}; - -template -struct is_compatible_array_type_impl < -BasicJsonType, CompatibleArrayType, -enable_if_t < is_detected::value&& -is_detected::value&& -// This is needed because json_reverse_iterator has a ::iterator type... -// Therefore it is detected as a CompatibleArrayType. -// The real fix would be to have an Iterable concept. -!is_iterator_traits < -iterator_traits>::value >> -{ -static constexpr bool value = -std::is_constructible::value; -}; - -template -struct is_compatible_array_type -: is_compatible_array_type_impl {}; - -template -struct is_constructible_array_type_impl : std::false_type {}; - -template -struct is_constructible_array_type_impl < -BasicJsonType, ConstructibleArrayType, -enable_if_t::value >> -: std::true_type {}; - -template -struct is_constructible_array_type_impl < -BasicJsonType, ConstructibleArrayType, -enable_if_t < !std::is_same::value&& -std::is_default_constructible::value&& -(std::is_move_assignable::value || -std::is_copy_assignable::value)&& -is_detected::value&& -is_detected::value&& -is_complete_type < -detected_t>::value >> -{ -static constexpr bool value = -// This is needed because json_reverse_iterator has a ::iterator type, -// furthermore, std::back_insert_iterator (and other iterators) have a -// base class `iterator`... Therefore it is detected as a -// ConstructibleArrayType. The real fix would be to have an Iterable -// concept. -!is_iterator_traits>::value && - -(std::is_same::value || -has_from_json::value || -has_non_default_from_json < -BasicJsonType, typename ConstructibleArrayType::value_type >::value); -}; - -template -struct is_constructible_array_type -: is_constructible_array_type_impl {}; - -template -struct is_compatible_integer_type_impl : std::false_type {}; - -template -struct is_compatible_integer_type_impl < -RealIntegerType, CompatibleNumberIntegerType, -enable_if_t < std::is_integral::value&& -std::is_integral::value&& -!std::is_same::value >> -{ -// is there an assert somewhere on overflows? -using RealLimits = std::numeric_limits; -using CompatibleLimits = std::numeric_limits; - -static constexpr auto value = -std::is_constructible::value && -CompatibleLimits::is_integer && -RealLimits::is_signed == CompatibleLimits::is_signed; -}; - -template -struct is_compatible_integer_type -: is_compatible_integer_type_impl {}; - -template -struct is_compatible_type_impl: std::false_type {}; - -template -struct is_compatible_type_impl < -BasicJsonType, CompatibleType, -enable_if_t::value >> -{ -static constexpr bool value = -has_to_json::value; -}; - -template -struct is_compatible_type -: is_compatible_type_impl {}; - -// https://en.cppreference.com/w/cpp/types/conjunction -template struct conjunction : std::true_type { }; -template struct conjunction : B1 { }; -template -struct conjunction -: std::conditional, B1>::type {}; - -template -struct is_constructible_tuple : std::false_type {}; - -template -struct is_constructible_tuple> : conjunction...> {}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // array -#include // size_t -#include // uint8_t -#include // string - -namespace nlohmann -{ -namespace detail -{ -/////////////////////////// -// JSON type enumeration // -/////////////////////////// - -/*! -@brief the JSON type enumeration - -This enumeration collects the different JSON types. It is internally used to -distinguish the stored values, and the functions @ref basic_json::is_null(), -@ref basic_json::is_object(), @ref basic_json::is_array(), -@ref basic_json::is_string(), @ref basic_json::is_boolean(), -@ref basic_json::is_number() (with @ref basic_json::is_number_integer(), -@ref basic_json::is_number_unsigned(), and @ref basic_json::is_number_float()), -@ref basic_json::is_discarded(), @ref basic_json::is_primitive(), and -@ref basic_json::is_structured() rely on it. - -@note There are three enumeration entries (number_integer, number_unsigned, and -number_float), because the library distinguishes these three types for numbers: -@ref basic_json::number_unsigned_t is used for unsigned integers, -@ref basic_json::number_integer_t is used for signed integers, and -@ref basic_json::number_float_t is used for floating-point numbers or to -approximate integers which do not fit in the limits of their respective type. - -@sa @ref basic_json::basic_json(const value_t value_type) -- create a JSON -value with the default value for a given type - -@since version 1.0.0 -*/ -enum class value_t : std::uint8_t -{ -null, ///< null value -object, ///< object (unordered set of name/value pairs) -array, ///< array (ordered collection of values) -string, ///< string value -boolean, ///< boolean value -number_integer, ///< number value (signed integer) -number_unsigned, ///< number value (unsigned integer) -number_float, ///< number value (floating-point) -binary, ///< binary array (ordered collection of bytes) -discarded ///< discarded by the parser callback function -}; - -/*! -@brief comparison operator for JSON types - -Returns an ordering that is similar to Python: -- order: null < boolean < number < object < array < string < binary -- furthermore, each type is not smaller than itself -- discarded values are not comparable -- binary is represented as a b"" string in python and directly comparable to a - string; however, making a binary array directly comparable with a string would - be surprising behavior in a JSON file. - -@since version 1.0.0 -*/ -inline bool operator<(const value_t lhs, const value_t rhs) noexcept -{ -static constexpr std::array order = {{ -0 /* null */, 3 /* object */, 4 /* array */, 5 /* string */, -1 /* boolean */, 2 /* integer */, 2 /* unsigned */, 2 /* float */, -6 /* binary */ -} -}; - -const auto l_index = static_cast(lhs); -const auto r_index = static_cast(rhs); -return l_index < order.size() && r_index < order.size() && order[l_index] < order[r_index]; -} -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -template -void from_json(const BasicJsonType& j, typename std::nullptr_t& n) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_null())) -{ -JSON_THROW(type_error::create(302, "type must be null, but is " + std::string(j.type_name()))); -} -n = nullptr; -} - -// overloads for basic_json template parameters -template < typename BasicJsonType, typename ArithmeticType, -enable_if_t < std::is_arithmetic::value&& -!std::is_same::value, -int > = 0 > -void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val) -{ -switch (static_cast(j)) -{ -case value_t::number_unsigned: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_integer: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_float: -{ -val = static_cast(*j.template get_ptr()); -break; -} - -default: -JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); -} -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t& b) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_boolean())) -{ -JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(j.type_name()))); -} -b = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::string_t& s) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_string())) -{ -JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); -} -s = *j.template get_ptr(); -} - -template < -typename BasicJsonType, typename ConstructibleStringType, -enable_if_t < -is_constructible_string_type::value&& -!std::is_same::value, -int > = 0 > -void from_json(const BasicJsonType& j, ConstructibleStringType& s) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_string())) -{ -JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); -} - -s = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_float_t& val) -{ -get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_unsigned_t& val) -{ -get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_integer_t& val) -{ -get_arithmetic_value(j, val); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, EnumType& e) -{ -typename std::underlying_type::type val; -get_arithmetic_value(j, val); -e = static_cast(val); -} - -// forward_list doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::forward_list& l) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -l.clear(); -std::transform(j.rbegin(), j.rend(), -std::front_inserter(l), [](const BasicJsonType & i) -{ -return i.template get(); -}); -} - -// valarray doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::valarray& l) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -l.resize(j.size()); -std::transform(j.begin(), j.end(), std::begin(l), -[](const BasicJsonType & elem) -{ -return elem.template get(); -}); -} - -template -auto from_json(const BasicJsonType& j, T (&arr)[N]) --> decltype(j.template get(), void()) -{ -for (std::size_t i = 0; i < N; ++i) -{ -arr[i] = j.at(i).template get(); -} -} - -template -void from_json_array_impl(const BasicJsonType& j, typename BasicJsonType::array_t& arr, priority_tag<3> /*unused*/) -{ -arr = *j.template get_ptr(); -} - -template -auto from_json_array_impl(const BasicJsonType& j, std::array& arr, -priority_tag<2> /*unused*/) --> decltype(j.template get(), void()) -{ -for (std::size_t i = 0; i < N; ++i) -{ -arr[i] = j.at(i).template get(); -} -} - -template -auto from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, priority_tag<1> /*unused*/) --> decltype( -arr.reserve(std::declval()), -j.template get(), -void()) -{ -using std::end; - -ConstructibleArrayType ret; -ret.reserve(j.size()); -std::transform(j.begin(), j.end(), -std::inserter(ret, end(ret)), [](const BasicJsonType & i) -{ -// get() returns *this, this won't call a from_json -// method when value_type is BasicJsonType -return i.template get(); -}); -arr = std::move(ret); -} - -template -void from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, -priority_tag<0> /*unused*/) -{ -using std::end; - -ConstructibleArrayType ret; -std::transform( -j.begin(), j.end(), std::inserter(ret, end(ret)), -[](const BasicJsonType & i) -{ -// get() returns *this, this won't call a from_json -// method when value_type is BasicJsonType -return i.template get(); -}); -arr = std::move(ret); -} - -template < typename BasicJsonType, typename ConstructibleArrayType, -enable_if_t < -is_constructible_array_type::value&& -!is_constructible_object_type::value&& -!is_constructible_string_type::value&& -!std::is_same::value&& -!is_basic_json::value, -int > = 0 > -auto from_json(const BasicJsonType& j, ConstructibleArrayType& arr) --> decltype(from_json_array_impl(j, arr, priority_tag<3> {}), -j.template get(), -void()) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + -std::string(j.type_name()))); -} - -from_json_array_impl(j, arr, priority_tag<3> {}); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t& bin) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_binary())) -{ -JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(j.type_name()))); -} - -bin = *j.template get_ptr(); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, ConstructibleObjectType& obj) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_object())) -{ -JSON_THROW(type_error::create(302, "type must be object, but is " + std::string(j.type_name()))); -} - -ConstructibleObjectType ret; -auto inner_object = j.template get_ptr(); -using value_type = typename ConstructibleObjectType::value_type; -std::transform( -inner_object->begin(), inner_object->end(), -std::inserter(ret, ret.begin()), -[](typename BasicJsonType::object_t::value_type const & p) -{ -return value_type(p.first, p.second.template get()); -}); -obj = std::move(ret); -} - -// overload for arithmetic types, not chosen for basic_json template arguments -// (BooleanType, etc..); note: Is it really necessary to provide explicit -// overloads for boolean_t etc. in case of a custom BooleanType which is not -// an arithmetic type? -template < typename BasicJsonType, typename ArithmeticType, -enable_if_t < -std::is_arithmetic::value&& -!std::is_same::value&& -!std::is_same::value&& -!std::is_same::value&& -!std::is_same::value, -int > = 0 > -void from_json(const BasicJsonType& j, ArithmeticType& val) -{ -switch (static_cast(j)) -{ -case value_t::number_unsigned: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_integer: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_float: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::boolean: -{ -val = static_cast(*j.template get_ptr()); -break; -} - -default: -JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); -} -} - -template -void from_json(const BasicJsonType& j, std::pair& p) -{ -p = {j.at(0).template get(), j.at(1).template get()}; -} - -template -void from_json_tuple_impl(const BasicJsonType& j, Tuple& t, index_sequence /*unused*/) -{ -t = std::make_tuple(j.at(Idx).template get::type>()...); -} - -template -void from_json(const BasicJsonType& j, std::tuple& t) -{ -from_json_tuple_impl(j, t, index_sequence_for {}); -} - -template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator, -typename = enable_if_t < !std::is_constructible < -typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::map& m) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -m.clear(); -for (const auto& p : j) -{ -if (JSON_HEDLEY_UNLIKELY(!p.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); -} -m.emplace(p.at(0).template get(), p.at(1).template get()); -} -} - -template < typename BasicJsonType, typename Key, typename Value, typename Hash, typename KeyEqual, typename Allocator, -typename = enable_if_t < !std::is_constructible < -typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::unordered_map& m) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -m.clear(); -for (const auto& p : j) -{ -if (JSON_HEDLEY_UNLIKELY(!p.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); -} -m.emplace(p.at(0).template get(), p.at(1).template get()); -} -} - -struct from_json_fn -{ -template -auto operator()(const BasicJsonType& j, T& val) const -noexcept(noexcept(from_json(j, val))) --> decltype(from_json(j, val), void()) -{ -return from_json(j, val); -} -}; -} // namespace detail - -/// namespace to hold default `from_json` function -/// to see why this is required: -/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html -namespace -{ -constexpr const auto& from_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - -// #include - - -#include // copy -#include // begin, end -#include // string -#include // tuple, get -#include // is_same, is_constructible, is_floating_point, is_enum, underlying_type -#include // move, forward, declval, pair -#include // valarray -#include // vector - -// #include - - -#include // size_t -#include // input_iterator_tag -#include // string, to_string -#include // tuple_size, get, tuple_element - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -void int_to_string( string_type& target, std::size_t value ) -{ -// For ADL -using std::to_string; -target = to_string(value); -} -template class iteration_proxy_value -{ -public: -using difference_type = std::ptrdiff_t; -using value_type = iteration_proxy_value; -using pointer = value_type * ; -using reference = value_type & ; -using iterator_category = std::input_iterator_tag; -using string_type = typename std::remove_cv< typename std::remove_reference().key() ) >::type >::type; - -private: -/// the iterator -IteratorType anchor; -/// an index for arrays (used to create key names) -std::size_t array_index = 0; -/// last stringified array index -mutable std::size_t array_index_last = 0; -/// a string representation of the array index -mutable string_type array_index_str = "0"; -/// an empty string (to return a reference for primitive values) -const string_type empty_str = ""; - -public: -explicit iteration_proxy_value(IteratorType it) noexcept : anchor(it) {} - -/// dereference operator (needed for range-based for) -iteration_proxy_value& operator*() -{ -return *this; -} - -/// increment operator (needed for range-based for) -iteration_proxy_value& operator++() -{ -++anchor; -++array_index; - -return *this; -} - -/// equality operator (needed for InputIterator) -bool operator==(const iteration_proxy_value& o) const -{ -return anchor == o.anchor; -} - -/// inequality operator (needed for range-based for) -bool operator!=(const iteration_proxy_value& o) const -{ -return anchor != o.anchor; -} - -/// return key of the iterator -const string_type& key() const -{ -JSON_ASSERT(anchor.m_object != nullptr); - -switch (anchor.m_object->type()) -{ -// use integer array index as key -case value_t::array: -{ -if (array_index != array_index_last) -{ -int_to_string( array_index_str, array_index ); -array_index_last = array_index; -} -return array_index_str; -} - -// use key from the object -case value_t::object: -return anchor.key(); - -// use an empty key for all primitive types -default: -return empty_str; -} -} - -/// return value of the iterator -typename IteratorType::reference value() const -{ -return anchor.value(); -} -}; - -/// proxy class for the items() function -template class iteration_proxy -{ -private: -/// the container to iterate -typename IteratorType::reference container; - -public: -/// construct iteration proxy from a container -explicit iteration_proxy(typename IteratorType::reference cont) noexcept -: container(cont) {} - -/// return iterator begin (needed for range-based for) -iteration_proxy_value begin() noexcept -{ -return iteration_proxy_value(container.begin()); -} - -/// return iterator end (needed for range-based for) -iteration_proxy_value end() noexcept -{ -return iteration_proxy_value(container.end()); -} -}; -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.key()) -{ -return i.key(); -} -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.value()) -{ -return i.value(); -} -} // namespace detail -} // namespace nlohmann - -// The Addition to the STD Namespace is required to add -// Structured Bindings Support to the iteration_proxy_value class -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -namespace std -{ -#if defined(__clang__) -// Fix: https://github.com/nlohmann/json/issues/1401 -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Wmismatched-tags" -#endif -template -class tuple_size<::nlohmann::detail::iteration_proxy_value> -: public std::integral_constant {}; - -template -class tuple_element> -{ -public: -using type = decltype( -get(std::declval < -::nlohmann::detail::iteration_proxy_value> ())); -}; -#if defined(__clang__) -#pragma clang diagnostic pop -#endif -} // namespace std - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -////////////////// -// constructors // -////////////////// - -template struct external_constructor; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept -{ -j.m_type = value_t::boolean; -j.m_value = b; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s) -{ -j.m_type = value_t::string; -j.m_value = s; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s) -{ -j.m_type = value_t::string; -j.m_value = std::move(s); -j.assert_invariant(); -} - -template < typename BasicJsonType, typename CompatibleStringType, -enable_if_t < !std::is_same::value, -int > = 0 > -static void construct(BasicJsonType& j, const CompatibleStringType& str) -{ -j.m_type = value_t::string; -j.m_value.string = j.template create(str); -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::binary_t& b) -{ -j.m_type = value_t::binary; -typename BasicJsonType::binary_t value{b}; -j.m_value = value; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::binary_t&& b) -{ -j.m_type = value_t::binary; -typename BasicJsonType::binary_t value{std::move(b)}; -j.m_value = value; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept -{ -j.m_type = value_t::number_float; -j.m_value = val; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept -{ -j.m_type = value_t::number_unsigned; -j.m_value = val; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept -{ -j.m_type = value_t::number_integer; -j.m_value = val; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr) -{ -j.m_type = value_t::array; -j.m_value = arr; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr) -{ -j.m_type = value_t::array; -j.m_value = std::move(arr); -j.assert_invariant(); -} - -template < typename BasicJsonType, typename CompatibleArrayType, -enable_if_t < !std::is_same::value, -int > = 0 > -static void construct(BasicJsonType& j, const CompatibleArrayType& arr) -{ -using std::begin; -using std::end; -j.m_type = value_t::array; -j.m_value.array = j.template create(begin(arr), end(arr)); -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, const std::vector& arr) -{ -j.m_type = value_t::array; -j.m_value = value_t::array; -j.m_value.array->reserve(arr.size()); -for (const bool x : arr) -{ -j.m_value.array->push_back(x); -} -j.assert_invariant(); -} - -template::value, int> = 0> -static void construct(BasicJsonType& j, const std::valarray& arr) -{ -j.m_type = value_t::array; -j.m_value = value_t::array; -j.m_value.array->resize(arr.size()); -if (arr.size() > 0) -{ -std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin()); -} -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj) -{ -j.m_type = value_t::object; -j.m_value = obj; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj) -{ -j.m_type = value_t::object; -j.m_value = std::move(obj); -j.assert_invariant(); -} - -template < typename BasicJsonType, typename CompatibleObjectType, -enable_if_t < !std::is_same::value, int > = 0 > -static void construct(BasicJsonType& j, const CompatibleObjectType& obj) -{ -using std::begin; -using std::end; - -j.m_type = value_t::object; -j.m_value.object = j.template create(begin(obj), end(obj)); -j.assert_invariant(); -} -}; - -///////////// -// to_json // -///////////// - -template::value, int> = 0> -void to_json(BasicJsonType& j, T b) noexcept -{ -external_constructor::construct(j, b); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const CompatibleString& s) -{ -external_constructor::construct(j, s); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::string_t&& s) -{ -external_constructor::construct(j, std::move(s)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, FloatType val) noexcept -{ -external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberUnsignedType val) noexcept -{ -external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberIntegerType val) noexcept -{ -external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, EnumType e) noexcept -{ -using underlying_type = typename std::underlying_type::type; -external_constructor::construct(j, static_cast(e)); -} - -template -void to_json(BasicJsonType& j, const std::vector& e) -{ -external_constructor::construct(j, e); -} - -template < typename BasicJsonType, typename CompatibleArrayType, -enable_if_t < is_compatible_array_type::value&& -!is_compatible_object_type::value&& -!is_compatible_string_type::value&& -!std::is_same::value&& -!is_basic_json::value, -int > = 0 > -void to_json(BasicJsonType& j, const CompatibleArrayType& arr) -{ -external_constructor::construct(j, arr); -} - -template -void to_json(BasicJsonType& j, const typename BasicJsonType::binary_t& bin) -{ -external_constructor::construct(j, bin); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const std::valarray& arr) -{ -external_constructor::construct(j, std::move(arr)); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::array_t&& arr) -{ -external_constructor::construct(j, std::move(arr)); -} - -template < typename BasicJsonType, typename CompatibleObjectType, -enable_if_t < is_compatible_object_type::value&& !is_basic_json::value, int > = 0 > -void to_json(BasicJsonType& j, const CompatibleObjectType& obj) -{ -external_constructor::construct(j, obj); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj) -{ -external_constructor::construct(j, std::move(obj)); -} - -template < -typename BasicJsonType, typename T, std::size_t N, -enable_if_t < !std::is_constructible::value, -int > = 0 > -void to_json(BasicJsonType& j, const T(&arr)[N]) -{ -external_constructor::construct(j, arr); -} - -template < typename BasicJsonType, typename T1, typename T2, enable_if_t < std::is_constructible::value&& std::is_constructible::value, int > = 0 > -void to_json(BasicJsonType& j, const std::pair& p) -{ -j = { p.first, p.second }; -} - -// for https://github.com/nlohmann/json/pull/1134 -template>::value, int> = 0> -void to_json(BasicJsonType& j, const T& b) -{ -j = { {b.key(), b.value()} }; -} - -template -void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence /*unused*/) -{ -j = { std::get(t)... }; -} - -template::value, int > = 0> -void to_json(BasicJsonType& j, const T& t) -{ -to_json_tuple_impl(j, t, make_index_sequence::value> {}); -} - -struct to_json_fn -{ -template -auto operator()(BasicJsonType& j, T&& val) const noexcept(noexcept(to_json(j, std::forward(val)))) --> decltype(to_json(j, std::forward(val)), void()) -{ -return to_json(j, std::forward(val)); -} -}; -} // namespace detail - -/// namespace to hold default `to_json` function -namespace -{ -constexpr const auto& to_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - - -namespace nlohmann -{ - -template -struct adl_serializer -{ -/*! - @brief convert a JSON value to any value type - - This function is usually called by the `get()` function of the - @ref basic_json class (either explicit or via conversion operators). - - @param[in] j JSON value to read from - @param[in,out] val value to write to - */ -template -static auto from_json(BasicJsonType&& j, ValueType& val) noexcept( -noexcept(::nlohmann::from_json(std::forward(j), val))) --> decltype(::nlohmann::from_json(std::forward(j), val), void()) -{ -::nlohmann::from_json(std::forward(j), val); -} - -/*! - @brief convert any value type to a JSON value - - This function is usually called by the constructors of the @ref basic_json - class. - - @param[in,out] j JSON value to write to - @param[in] val value to read from - */ -template -static auto to_json(BasicJsonType& j, ValueType&& val) noexcept( -noexcept(::nlohmann::to_json(j, std::forward(val)))) --> decltype(::nlohmann::to_json(j, std::forward(val)), void()) -{ -::nlohmann::to_json(j, std::forward(val)); -} -}; - -} // namespace nlohmann - -// #include - - -#include // uint8_t -#include // tie -#include // move - -namespace nlohmann -{ - -/*! -@brief an internal type for a backed binary type - -This type extends the template parameter @a BinaryType provided to `basic_json` -with a subtype used by BSON and MessagePack. This type exists so that the user -does not have to specify a type themselves with a specific naming scheme in -order to override the binary type. - -@tparam BinaryType container to store bytes (`std::vector` by - default) - -@since version 3.8.0 -*/ -template -class byte_container_with_subtype : public BinaryType -{ -public: -/// the type of the underlying container -using container_type = BinaryType; - -byte_container_with_subtype() noexcept(noexcept(container_type())) -: container_type() -{} - -byte_container_with_subtype(const container_type& b) noexcept(noexcept(container_type(b))) -: container_type(b) -{} - -byte_container_with_subtype(container_type&& b) noexcept(noexcept(container_type(std::move(b)))) -: container_type(std::move(b)) -{} - -byte_container_with_subtype(const container_type& b, std::uint8_t subtype_) noexcept(noexcept(container_type(b))) -: container_type(b) -, m_subtype(subtype_) -, m_has_subtype(true) -{} - -byte_container_with_subtype(container_type&& b, std::uint8_t subtype_) noexcept(noexcept(container_type(std::move(b)))) -: container_type(std::move(b)) -, m_subtype(subtype_) -, m_has_subtype(true) -{} - -bool operator==(const byte_container_with_subtype& rhs) const -{ -return std::tie(static_cast(*this), m_subtype, m_has_subtype) == -std::tie(static_cast(rhs), rhs.m_subtype, rhs.m_has_subtype); -} - -bool operator!=(const byte_container_with_subtype& rhs) const -{ -return !(rhs == *this); -} - -/*! - @brief sets the binary subtype - - Sets the binary subtype of the value, also flags a binary JSON value as - having a subtype, which has implications for serialization. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ -void set_subtype(std::uint8_t subtype_) noexcept -{ -m_subtype = subtype_; -m_has_subtype = true; -} - -/*! - @brief return the binary subtype - - Returns the numerical subtype of the value if it has a subtype. If it does - not have a subtype, this function will return size_t(-1) as a sentinel - value. - - @return the numerical subtype of the binary value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ -constexpr std::uint8_t subtype() const noexcept -{ -return m_subtype; -} - -/*! - @brief return whether the value has a subtype - - @return whether the value has a subtype - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - - @since version 3.8.0 - */ -constexpr bool has_subtype() const noexcept -{ -return m_has_subtype; -} - -/*! - @brief clears the binary subtype - - Clears the binary subtype and flags the value as not having a subtype, which - has implications for serialization; for instance MessagePack will prefer the - bin family over the ext family. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ -void clear_subtype() noexcept -{ -m_subtype = 0; -m_has_subtype = false; -} - -private: -std::uint8_t m_subtype = 0; -bool m_has_subtype = false; -}; - -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // size_t, uint8_t -#include // hash - -namespace nlohmann -{ -namespace detail -{ - -// boost::hash_combine -inline std::size_t combine(std::size_t seed, std::size_t h) noexcept -{ -seed ^= h + 0x9e3779b9 + (seed << 6U) + (seed >> 2U); -return seed; -} - -/*! -@brief hash a JSON value - -The hash function tries to rely on std::hash where possible. Furthermore, the -type of the JSON value is taken into account to have different hash values for -null, 0, 0U, and false, etc. - -@tparam BasicJsonType basic_json specialization -@param j JSON value to hash -@return hash value of j -*/ -template -std::size_t hash(const BasicJsonType& j) -{ -using string_t = typename BasicJsonType::string_t; -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; - -const auto type = static_cast(j.type()); -switch (j.type()) -{ -case BasicJsonType::value_t::null: -case BasicJsonType::value_t::discarded: -{ -return combine(type, 0); -} - -case BasicJsonType::value_t::object: -{ -auto seed = combine(type, j.size()); -for (const auto& element : j.items()) -{ -const auto h = std::hash {}(element.key()); -seed = combine(seed, h); -seed = combine(seed, hash(element.value())); -} -return seed; -} - -case BasicJsonType::value_t::array: -{ -auto seed = combine(type, j.size()); -for (const auto& element : j) -{ -seed = combine(seed, hash(element)); -} -return seed; -} - -case BasicJsonType::value_t::string: -{ -const auto h = std::hash {}(j.template get_ref()); -return combine(type, h); -} - -case BasicJsonType::value_t::boolean: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::number_integer: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::number_unsigned: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::number_float: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::binary: -{ -auto seed = combine(type, j.get_binary().size()); -const auto h = std::hash {}(j.get_binary().has_subtype()); -seed = combine(seed, h); -seed = combine(seed, j.get_binary().subtype()); -for (const auto byte : j.get_binary()) -{ -seed = combine(seed, std::hash {}(byte)); -} -return seed; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -return 0; // LCOV_EXCL_LINE -} -} - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // generate_n -#include // array -#include // ldexp -#include // size_t -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // snprintf -#include // memcpy -#include // back_inserter -#include // numeric_limits -#include // char_traits, string -#include // make_pair, move - -// #include - -// #include - - -#include // array -#include // size_t -#include //FILE * -#include // strlen -#include // istream -#include // begin, end, iterator_traits, random_access_iterator_tag, distance, next -#include // shared_ptr, make_shared, addressof -#include // accumulate -#include // string, char_traits -#include // enable_if, is_base_of, is_pointer, is_integral, remove_pointer -#include // pair, declval - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// the supported input formats -enum class input_format_t { json, cbor, msgpack, ubjson, bson }; - -//////////////////// -// input adapters // -//////////////////// - -/*! -Input adapter for stdio file access. This adapter read only 1 byte and do not use any - buffer. This adapter is a very low level adapter. -*/ -class file_input_adapter -{ -public: -using char_type = char; - -JSON_HEDLEY_NON_NULL(2) -explicit file_input_adapter(std::FILE* f) noexcept -: m_file(f) -{} - -// make class move-only -file_input_adapter(const file_input_adapter&) = delete; -file_input_adapter(file_input_adapter&&) = default; -file_input_adapter& operator=(const file_input_adapter&) = delete; -file_input_adapter& operator=(file_input_adapter&&) = delete; - -std::char_traits::int_type get_character() noexcept -{ -return std::fgetc(m_file); -} - -private: -/// the file pointer to read from -std::FILE* m_file; -}; - - -/*! -Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at -beginning of input. Does not support changing the underlying std::streambuf -in mid-input. Maintains underlying std::istream and std::streambuf to support -subsequent use of standard std::istream operations to process any input -characters following those used in parsing the JSON input. Clears the -std::istream flags; any input errors (e.g., EOF) will be detected by the first -subsequent call for input from the std::istream. -*/ -class input_stream_adapter -{ -public: -using char_type = char; - -~input_stream_adapter() -{ -// clear stream flags; we use underlying streambuf I/O, do not -// maintain ifstream flags, except eof -if (is != nullptr) -{ -is->clear(is->rdstate() & std::ios::eofbit); -} -} - -explicit input_stream_adapter(std::istream& i) -: is(&i), sb(i.rdbuf()) -{} - -// delete because of pointer members -input_stream_adapter(const input_stream_adapter&) = delete; -input_stream_adapter& operator=(input_stream_adapter&) = delete; -input_stream_adapter& operator=(input_stream_adapter&& rhs) = delete; - -input_stream_adapter(input_stream_adapter&& rhs) noexcept : is(rhs.is), sb(rhs.sb) -{ -rhs.is = nullptr; -rhs.sb = nullptr; -} - -// std::istream/std::streambuf use std::char_traits::to_int_type, to -// ensure that std::char_traits::eof() and the character 0xFF do not -// end up as the same value, eg. 0xFFFFFFFF. -std::char_traits::int_type get_character() -{ -auto res = sb->sbumpc(); -// set eof manually, as we don't use the istream interface. -if (JSON_HEDLEY_UNLIKELY(res == EOF)) -{ -is->clear(is->rdstate() | std::ios::eofbit); -} -return res; -} - -private: -/// the associated input stream -std::istream* is = nullptr; -std::streambuf* sb = nullptr; -}; - -// General-purpose iterator-based adapter. It might not be as fast as -// theoretically possible for some containers, but it is extremely versatile. -template -class iterator_input_adapter -{ -public: -using char_type = typename std::iterator_traits::value_type; - -iterator_input_adapter(IteratorType first, IteratorType last) -: current(std::move(first)), end(std::move(last)) {} - -typename std::char_traits::int_type get_character() -{ -if (JSON_HEDLEY_LIKELY(current != end)) -{ -auto result = std::char_traits::to_int_type(*current); -std::advance(current, 1); -return result; -} -else -{ -return std::char_traits::eof(); -} -} - -private: -IteratorType current; -IteratorType end; - -template -friend struct wide_string_input_helper; - -bool empty() const -{ -return current == end; -} - -}; - - -template -struct wide_string_input_helper; - -template -struct wide_string_input_helper -{ -// UTF-32 -static void fill_buffer(BaseInputAdapter& input, -std::array::int_type, 4>& utf8_bytes, -size_t& utf8_bytes_index, -size_t& utf8_bytes_filled) -{ -utf8_bytes_index = 0; - -if (JSON_HEDLEY_UNLIKELY(input.empty())) -{ -utf8_bytes[0] = std::char_traits::eof(); -utf8_bytes_filled = 1; -} -else -{ -// get the current character -const auto wc = input.get_character(); - -// UTF-32 to UTF-8 encoding -if (wc < 0x80) -{ -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -else if (wc <= 0x7FF) -{ -utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u) & 0x1Fu)); -utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 2; -} -else if (wc <= 0xFFFF) -{ -utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u) & 0x0Fu)); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 3; -} -else if (wc <= 0x10FFFF) -{ -utf8_bytes[0] = static_cast::int_type>(0xF0u | ((static_cast(wc) >> 18u) & 0x07u)); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 12u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); -utf8_bytes[3] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 4; -} -else -{ -// unknown character -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -} -} -}; - -template -struct wide_string_input_helper -{ -// UTF-16 -static void fill_buffer(BaseInputAdapter& input, -std::array::int_type, 4>& utf8_bytes, -size_t& utf8_bytes_index, -size_t& utf8_bytes_filled) -{ -utf8_bytes_index = 0; - -if (JSON_HEDLEY_UNLIKELY(input.empty())) -{ -utf8_bytes[0] = std::char_traits::eof(); -utf8_bytes_filled = 1; -} -else -{ -// get the current character -const auto wc = input.get_character(); - -// UTF-16 to UTF-8 encoding -if (wc < 0x80) -{ -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -else if (wc <= 0x7FF) -{ -utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u))); -utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 2; -} -else if (0xD800 > wc || wc >= 0xE000) -{ -utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u))); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 3; -} -else -{ -if (JSON_HEDLEY_UNLIKELY(!input.empty())) -{ -const auto wc2 = static_cast(input.get_character()); -const auto charcode = 0x10000u + (((static_cast(wc) & 0x3FFu) << 10u) | (wc2 & 0x3FFu)); -utf8_bytes[0] = static_cast::int_type>(0xF0u | (charcode >> 18u)); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((charcode >> 12u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | ((charcode >> 6u) & 0x3Fu)); -utf8_bytes[3] = static_cast::int_type>(0x80u | (charcode & 0x3Fu)); -utf8_bytes_filled = 4; -} -else -{ -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -} -} -} -}; - -// Wraps another input apdater to convert wide character types into individual bytes. -template -class wide_string_input_adapter -{ -public: -using char_type = char; - -wide_string_input_adapter(BaseInputAdapter base) -: base_adapter(base) {} - -typename std::char_traits::int_type get_character() noexcept -{ -// check if buffer needs to be filled -if (utf8_bytes_index == utf8_bytes_filled) -{ -fill_buffer(); - -JSON_ASSERT(utf8_bytes_filled > 0); -JSON_ASSERT(utf8_bytes_index == 0); -} - -// use buffer -JSON_ASSERT(utf8_bytes_filled > 0); -JSON_ASSERT(utf8_bytes_index < utf8_bytes_filled); -return utf8_bytes[utf8_bytes_index++]; -} - -private: -BaseInputAdapter base_adapter; - -template -void fill_buffer() -{ -wide_string_input_helper::fill_buffer(base_adapter, utf8_bytes, utf8_bytes_index, utf8_bytes_filled); -} - -/// a buffer for UTF-8 bytes -std::array::int_type, 4> utf8_bytes = {{0, 0, 0, 0}}; - -/// index to the utf8_codes array for the next valid byte -std::size_t utf8_bytes_index = 0; -/// number of valid bytes in the utf8_codes array -std::size_t utf8_bytes_filled = 0; -}; - - -template -struct iterator_input_adapter_factory -{ -using iterator_type = IteratorType; -using char_type = typename std::iterator_traits::value_type; -using adapter_type = iterator_input_adapter; - -static adapter_type create(IteratorType first, IteratorType last) -{ -return adapter_type(std::move(first), std::move(last)); -} -}; - -template -struct is_iterator_of_multibyte -{ -using value_type = typename std::iterator_traits::value_type; -enum -{ -value = sizeof(value_type) > 1 -}; -}; - -template -struct iterator_input_adapter_factory::value>> -{ -using iterator_type = IteratorType; -using char_type = typename std::iterator_traits::value_type; -using base_adapter_type = iterator_input_adapter; -using adapter_type = wide_string_input_adapter; - -static adapter_type create(IteratorType first, IteratorType last) -{ -return adapter_type(base_adapter_type(std::move(first), std::move(last))); -} -}; - -// General purpose iterator-based input -template -typename iterator_input_adapter_factory::adapter_type input_adapter(IteratorType first, IteratorType last) -{ -using factory_type = iterator_input_adapter_factory; -return factory_type::create(first, last); -} - -// Convenience shorthand from container to iterator -template -auto input_adapter(const ContainerType& container) -> decltype(input_adapter(begin(container), end(container))) -{ -// Enable ADL -using std::begin; -using std::end; - -return input_adapter(begin(container), end(container)); -} - -// Special cases with fast paths -inline file_input_adapter input_adapter(std::FILE* file) -{ -return file_input_adapter(file); -} - -inline input_stream_adapter input_adapter(std::istream& stream) -{ -return input_stream_adapter(stream); -} - -inline input_stream_adapter input_adapter(std::istream&& stream) -{ -return input_stream_adapter(stream); -} - -using contiguous_bytes_input_adapter = decltype(input_adapter(std::declval(), std::declval())); - -// Null-delimited strings, and the like. -template < typename CharT, -typename std::enable_if < -std::is_pointer::value&& -!std::is_array::value&& -std::is_integral::type>::value&& -sizeof(typename std::remove_pointer::type) == 1, -int >::type = 0 > -contiguous_bytes_input_adapter input_adapter(CharT b) -{ -auto length = std::strlen(reinterpret_cast(b)); -const auto* ptr = reinterpret_cast(b); -return input_adapter(ptr, ptr + length); -} - -template -auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N)) -{ -return input_adapter(array, array + N); -} - -// This class only handles inputs of input_buffer_adapter type. -// It's required so that expressions like {ptr, len} can be implicitely casted -// to the correct adapter. -class span_input_adapter -{ -public: -template < typename CharT, -typename std::enable_if < -std::is_pointer::value&& -std::is_integral::type>::value&& -sizeof(typename std::remove_pointer::type) == 1, -int >::type = 0 > -span_input_adapter(CharT b, std::size_t l) -: ia(reinterpret_cast(b), reinterpret_cast(b) + l) {} - -template::iterator_category, std::random_access_iterator_tag>::value, -int>::type = 0> -span_input_adapter(IteratorType first, IteratorType last) -: ia(input_adapter(first, last)) {} - -contiguous_bytes_input_adapter&& get() -{ -return std::move(ia); -} - -private: -contiguous_bytes_input_adapter ia; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include -#include // string -#include // move -#include // vector - -// #include - -// #include - - -namespace nlohmann -{ - -/*! -@brief SAX interface - -This class describes the SAX interface used by @ref nlohmann::json::sax_parse. -Each function is called in different situations while the input is parsed. The -boolean return value informs the parser whether to continue processing the -input. -*/ -template -struct json_sax -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; - -/*! - @brief a null value was read - @return whether parsing should proceed - */ -virtual bool null() = 0; - -/*! - @brief a boolean value was read - @param[in] val boolean value - @return whether parsing should proceed - */ -virtual bool boolean(bool val) = 0; - -/*! - @brief an integer number was read - @param[in] val integer value - @return whether parsing should proceed - */ -virtual bool number_integer(number_integer_t val) = 0; - -/*! - @brief an unsigned integer number was read - @param[in] val unsigned integer value - @return whether parsing should proceed - */ -virtual bool number_unsigned(number_unsigned_t val) = 0; - -/*! - @brief an floating-point number was read - @param[in] val floating-point value - @param[in] s raw token value - @return whether parsing should proceed - */ -virtual bool number_float(number_float_t val, const string_t& s) = 0; - -/*! - @brief a string was read - @param[in] val string value - @return whether parsing should proceed - @note It is safe to move the passed string. - */ -virtual bool string(string_t& val) = 0; - -/*! - @brief a binary string was read - @param[in] val binary value - @return whether parsing should proceed - @note It is safe to move the passed binary. - */ -virtual bool binary(binary_t& val) = 0; - -/*! - @brief the beginning of an object was read - @param[in] elements number of object elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ -virtual bool start_object(std::size_t elements) = 0; - -/*! - @brief an object key was read - @param[in] val object key - @return whether parsing should proceed - @note It is safe to move the passed string. - */ -virtual bool key(string_t& val) = 0; - -/*! - @brief the end of an object was read - @return whether parsing should proceed - */ -virtual bool end_object() = 0; - -/*! - @brief the beginning of an array was read - @param[in] elements number of array elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ -virtual bool start_array(std::size_t elements) = 0; - -/*! - @brief the end of an array was read - @return whether parsing should proceed - */ -virtual bool end_array() = 0; - -/*! - @brief a parse error occurred - @param[in] position the position in the input where the error occurs - @param[in] last_token the last read token - @param[in] ex an exception object describing the error - @return whether parsing should proceed (must return false) - */ -virtual bool parse_error(std::size_t position, -const std::string& last_token, -const detail::exception& ex) = 0; - -virtual ~json_sax() = default; -}; - - -namespace detail -{ -/*! -@brief SAX implementation to create a JSON value from SAX events - -This class implements the @ref json_sax interface and processes the SAX events -to create a JSON value which makes it basically a DOM parser. The structure or -hierarchy of the JSON value is managed by the stack `ref_stack` which contains -a pointer to the respective array or object for each recursion depth. - -After successful parsing, the value that is passed by reference to the -constructor contains the parsed value. - -@tparam BasicJsonType the JSON type -*/ -template -class json_sax_dom_parser -{ -public: -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; - -/*! - @param[in, out] r reference to a JSON value that is manipulated while - parsing - @param[in] allow_exceptions_ whether parse errors yield exceptions - */ -explicit json_sax_dom_parser(BasicJsonType& r, const bool allow_exceptions_ = true) -: root(r), allow_exceptions(allow_exceptions_) -{} - -// make class move-only -json_sax_dom_parser(const json_sax_dom_parser&) = delete; -json_sax_dom_parser(json_sax_dom_parser&&) = default; -json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete; -json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; -~json_sax_dom_parser() = default; - -bool null() -{ -handle_value(nullptr); -return true; -} - -bool boolean(bool val) -{ -handle_value(val); -return true; -} - -bool number_integer(number_integer_t val) -{ -handle_value(val); -return true; -} - -bool number_unsigned(number_unsigned_t val) -{ -handle_value(val); -return true; -} - -bool number_float(number_float_t val, const string_t& /*unused*/) -{ -handle_value(val); -return true; -} - -bool string(string_t& val) -{ -handle_value(val); -return true; -} - -bool binary(binary_t& val) -{ -handle_value(std::move(val)); -return true; -} - -bool start_object(std::size_t len) -{ -ref_stack.push_back(handle_value(BasicJsonType::value_t::object)); - -if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, -"excessive object size: " + std::to_string(len))); -} - -return true; -} - -bool key(string_t& val) -{ -// add null at given key and store the reference for later -object_element = &(ref_stack.back()->m_value.object->operator[](val)); -return true; -} - -bool end_object() -{ -ref_stack.pop_back(); -return true; -} - -bool start_array(std::size_t len) -{ -ref_stack.push_back(handle_value(BasicJsonType::value_t::array)); - -if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, -"excessive array size: " + std::to_string(len))); -} - -return true; -} - -bool end_array() -{ -ref_stack.pop_back(); -return true; -} - -template -bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, -const Exception& ex) -{ -errored = true; -static_cast(ex); -if (allow_exceptions) -{ -JSON_THROW(ex); -} -return false; -} - -constexpr bool is_errored() const -{ -return errored; -} - -private: -/*! - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - */ -template -JSON_HEDLEY_RETURNS_NON_NULL -BasicJsonType* handle_value(Value&& v) -{ -if (ref_stack.empty()) -{ -root = BasicJsonType(std::forward(v)); -return &root; -} - -JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - -if (ref_stack.back()->is_array()) -{ -ref_stack.back()->m_value.array->emplace_back(std::forward(v)); -return &(ref_stack.back()->m_value.array->back()); -} - -JSON_ASSERT(ref_stack.back()->is_object()); -JSON_ASSERT(object_element); -*object_element = BasicJsonType(std::forward(v)); -return object_element; -} - -/// the parsed JSON value -BasicJsonType& root; -/// stack to model hierarchy of values -std::vector ref_stack {}; -/// helper to hold the reference for the next object element -BasicJsonType* object_element = nullptr; -/// whether a syntax error occurred -bool errored = false; -/// whether to throw exceptions in case of errors -const bool allow_exceptions = true; -}; - -template -class json_sax_dom_callback_parser -{ -public: -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using parser_callback_t = typename BasicJsonType::parser_callback_t; -using parse_event_t = typename BasicJsonType::parse_event_t; - -json_sax_dom_callback_parser(BasicJsonType& r, -const parser_callback_t cb, -const bool allow_exceptions_ = true) -: root(r), callback(cb), allow_exceptions(allow_exceptions_) -{ -keep_stack.push_back(true); -} - -// make class move-only -json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete; -json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; -json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete; -json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; -~json_sax_dom_callback_parser() = default; - -bool null() -{ -handle_value(nullptr); -return true; -} - -bool boolean(bool val) -{ -handle_value(val); -return true; -} - -bool number_integer(number_integer_t val) -{ -handle_value(val); -return true; -} - -bool number_unsigned(number_unsigned_t val) -{ -handle_value(val); -return true; -} - -bool number_float(number_float_t val, const string_t& /*unused*/) -{ -handle_value(val); -return true; -} - -bool string(string_t& val) -{ -handle_value(val); -return true; -} - -bool binary(binary_t& val) -{ -handle_value(std::move(val)); -return true; -} - -bool start_object(std::size_t len) -{ -// check callback for object start -const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::object_start, discarded); -keep_stack.push_back(keep); - -auto val = handle_value(BasicJsonType::value_t::object, true); -ref_stack.push_back(val.second); - -// check object limit -if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len))); -} - -return true; -} - -bool key(string_t& val) -{ -BasicJsonType k = BasicJsonType(val); - -// check callback for key -const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::key, k); -key_keep_stack.push_back(keep); - -// add discarded value at given key and store the reference for later -if (keep && ref_stack.back()) -{ -object_element = &(ref_stack.back()->m_value.object->operator[](val) = discarded); -} - -return true; -} - -bool end_object() -{ -if (ref_stack.back() && !callback(static_cast(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back())) -{ -// discard object -*ref_stack.back() = discarded; -} - -JSON_ASSERT(!ref_stack.empty()); -JSON_ASSERT(!keep_stack.empty()); -ref_stack.pop_back(); -keep_stack.pop_back(); - -if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured()) -{ -// remove discarded value -for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it) -{ -if (it->is_discarded()) -{ -ref_stack.back()->erase(it); -break; -} -} -} - -return true; -} - -bool start_array(std::size_t len) -{ -const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::array_start, discarded); -keep_stack.push_back(keep); - -auto val = handle_value(BasicJsonType::value_t::array, true); -ref_stack.push_back(val.second); - -// check array limit -if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len))); -} - -return true; -} - -bool end_array() -{ -bool keep = true; - -if (ref_stack.back()) -{ -keep = callback(static_cast(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back()); -if (!keep) -{ -// discard array -*ref_stack.back() = discarded; -} -} - -JSON_ASSERT(!ref_stack.empty()); -JSON_ASSERT(!keep_stack.empty()); -ref_stack.pop_back(); -keep_stack.pop_back(); - -// remove discarded value -if (!keep && !ref_stack.empty() && ref_stack.back()->is_array()) -{ -ref_stack.back()->m_value.array->pop_back(); -} - -return true; -} - -template -bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, -const Exception& ex) -{ -errored = true; -static_cast(ex); -if (allow_exceptions) -{ -JSON_THROW(ex); -} -return false; -} - -constexpr bool is_errored() const -{ -return errored; -} - -private: -/*! - @param[in] v value to add to the JSON value we build during parsing - @param[in] skip_callback whether we should skip calling the callback - function; this is required after start_array() and - start_object() SAX events, because otherwise we would call the - callback function with an empty array or object, respectively. - - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - - @return pair of boolean (whether value should be kept) and pointer (to the - passed value in the ref_stack hierarchy; nullptr if not kept) - */ -template -std::pair handle_value(Value&& v, const bool skip_callback = false) -{ -JSON_ASSERT(!keep_stack.empty()); - -// do not handle this value if we know it would be added to a discarded -// container -if (!keep_stack.back()) -{ -return {false, nullptr}; -} - -// create value -auto value = BasicJsonType(std::forward(v)); - -// check callback -const bool keep = skip_callback || callback(static_cast(ref_stack.size()), parse_event_t::value, value); - -// do not handle this value if we just learnt it shall be discarded -if (!keep) -{ -return {false, nullptr}; -} - -if (ref_stack.empty()) -{ -root = std::move(value); -return {true, &root}; -} - -// skip this value if we already decided to skip the parent -// (https://github.com/nlohmann/json/issues/971#issuecomment-413678360) -if (!ref_stack.back()) -{ -return {false, nullptr}; -} - -// we now only expect arrays and objects -JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - -// array -if (ref_stack.back()->is_array()) -{ -ref_stack.back()->m_value.array->push_back(std::move(value)); -return {true, &(ref_stack.back()->m_value.array->back())}; -} - -// object -JSON_ASSERT(ref_stack.back()->is_object()); -// check if we should store an element for the current key -JSON_ASSERT(!key_keep_stack.empty()); -const bool store_element = key_keep_stack.back(); -key_keep_stack.pop_back(); - -if (!store_element) -{ -return {false, nullptr}; -} - -JSON_ASSERT(object_element); -*object_element = std::move(value); -return {true, object_element}; -} - -/// the parsed JSON value -BasicJsonType& root; -/// stack to model hierarchy of values -std::vector ref_stack {}; -/// stack to manage which values to keep -std::vector keep_stack {}; -/// stack to manage which object keys to keep -std::vector key_keep_stack {}; -/// helper to hold the reference for the next object element -BasicJsonType* object_element = nullptr; -/// whether a syntax error occurred -bool errored = false; -/// callback function -const parser_callback_t callback = nullptr; -/// whether to throw exceptions in case of errors -const bool allow_exceptions = true; -/// a discarded value for the callback -BasicJsonType discarded = BasicJsonType::value_t::discarded; -}; - -template -class json_sax_acceptor -{ -public: -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; - -bool null() -{ -return true; -} - -bool boolean(bool /*unused*/) -{ -return true; -} - -bool number_integer(number_integer_t /*unused*/) -{ -return true; -} - -bool number_unsigned(number_unsigned_t /*unused*/) -{ -return true; -} - -bool number_float(number_float_t /*unused*/, const string_t& /*unused*/) -{ -return true; -} - -bool string(string_t& /*unused*/) -{ -return true; -} - -bool binary(binary_t& /*unused*/) -{ -return true; -} - -bool start_object(std::size_t /*unused*/ = std::size_t(-1)) -{ -return true; -} - -bool key(string_t& /*unused*/) -{ -return true; -} - -bool end_object() -{ -return true; -} - -bool start_array(std::size_t /*unused*/ = std::size_t(-1)) -{ -return true; -} - -bool end_array() -{ -return true; -} - -bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const detail::exception& /*unused*/) -{ -return false; -} -}; -} // namespace detail - -} // namespace nlohmann - -// #include - - -#include // array -#include // localeconv -#include // size_t -#include // snprintf -#include // strtof, strtod, strtold, strtoll, strtoull -#include // initializer_list -#include // char_traits, string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////// -// lexer // -/////////// - -template -class lexer_base -{ -public: -/// token types for the parser -enum class token_type -{ -uninitialized, ///< indicating the scanner is uninitialized -literal_true, ///< the `true` literal -literal_false, ///< the `false` literal -literal_null, ///< the `null` literal -value_string, ///< a string -- use get_string() for actual value -value_unsigned, ///< an unsigned integer -- use get_number_unsigned() for actual value -value_integer, ///< a signed integer -- use get_number_integer() for actual value -value_float, ///< an floating point number -- use get_number_float() for actual value -begin_array, ///< the character for array begin `[` -begin_object, ///< the character for object begin `{` -end_array, ///< the character for array end `]` -end_object, ///< the character for object end `}` -name_separator, ///< the name separator `:` -value_separator, ///< the value separator `,` -parse_error, ///< indicating a parse error -end_of_input, ///< indicating the end of the input buffer -literal_or_value ///< a literal or the begin of a value (only for diagnostics) -}; - -/// return name of values of type token_type (only used for errors) -JSON_HEDLEY_RETURNS_NON_NULL -JSON_HEDLEY_CONST -static const char* token_type_name(const token_type t) noexcept -{ -switch (t) -{ -case token_type::uninitialized: -return ""; -case token_type::literal_true: -return "true literal"; -case token_type::literal_false: -return "false literal"; -case token_type::literal_null: -return "null literal"; -case token_type::value_string: -return "string literal"; -case token_type::value_unsigned: -case token_type::value_integer: -case token_type::value_float: -return "number literal"; -case token_type::begin_array: -return "'['"; -case token_type::begin_object: -return "'{'"; -case token_type::end_array: -return "']'"; -case token_type::end_object: -return "'}'"; -case token_type::name_separator: -return "':'"; -case token_type::value_separator: -return "','"; -case token_type::parse_error: -return ""; -case token_type::end_of_input: -return "end of input"; -case token_type::literal_or_value: -return "'[', '{', or a literal"; -// LCOV_EXCL_START -default: // catch non-enum values -return "unknown token"; -// LCOV_EXCL_STOP -} -} -}; -/*! -@brief lexical analysis - -This class organizes the lexical analysis during JSON deserialization. -*/ -template -class lexer : public lexer_base -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using char_type = typename InputAdapterType::char_type; -using char_int_type = typename std::char_traits::int_type; - -public: -using token_type = typename lexer_base::token_type; - -explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) -: ia(std::move(adapter)) -, ignore_comments(ignore_comments_) -, decimal_point_char(static_cast(get_decimal_point())) -{} - -// delete because of pointer members -lexer(const lexer&) = delete; -lexer(lexer&&) = default; -lexer& operator=(lexer&) = delete; -lexer& operator=(lexer&&) = default; -~lexer() = default; - -private: -///////////////////// -// locales -///////////////////// - -/// return the locale-dependent decimal point -JSON_HEDLEY_PURE -static char get_decimal_point() noexcept -{ -const auto* loc = localeconv(); -JSON_ASSERT(loc != nullptr); -return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point); -} - -///////////////////// -// scan functions -///////////////////// - -/*! - @brief get codepoint from 4 hex characters following `\u` - - For input "\u c1 c2 c3 c4" the codepoint is: - (c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4 - = (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0) - - Furthermore, the possible characters '0'..'9', 'A'..'F', and 'a'..'f' - must be converted to the integers 0x0..0x9, 0xA..0xF, 0xA..0xF, resp. The - conversion is done by subtracting the offset (0x30, 0x37, and 0x57) - between the ASCII value of the character and the desired integer value. - - @return codepoint (0x0000..0xFFFF) or -1 in case of an error (e.g. EOF or - non-hex character) - */ -int get_codepoint() -{ -// this function only makes sense after reading `\u` -JSON_ASSERT(current == 'u'); -int codepoint = 0; - -const auto factors = { 12u, 8u, 4u, 0u }; -for (const auto factor : factors) -{ -get(); - -if (current >= '0' && current <= '9') -{ -codepoint += static_cast((static_cast(current) - 0x30u) << factor); -} -else if (current >= 'A' && current <= 'F') -{ -codepoint += static_cast((static_cast(current) - 0x37u) << factor); -} -else if (current >= 'a' && current <= 'f') -{ -codepoint += static_cast((static_cast(current) - 0x57u) << factor); -} -else -{ -return -1; -} -} - -JSON_ASSERT(0x0000 <= codepoint && codepoint <= 0xFFFF); -return codepoint; -} - -/*! - @brief check if the next byte(s) are inside a given range - - Adds the current byte and, for each passed range, reads a new byte and - checks if it is inside the range. If a violation was detected, set up an - error message and return false. Otherwise, return true. - - @param[in] ranges list of integers; interpreted as list of pairs of - inclusive lower and upper bound, respectively - - @pre The passed list @a ranges must have 2, 4, or 6 elements; that is, - 1, 2, or 3 pairs. This precondition is enforced by an assertion. - - @return true if and only if no range violation was detected - */ -bool next_byte_in_range(std::initializer_list ranges) -{ -JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6); -add(current); - -for (auto range = ranges.begin(); range != ranges.end(); ++range) -{ -get(); -if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range))) -{ -add(current); -} -else -{ -error_message = "invalid string: ill-formed UTF-8 byte"; -return false; -} -} - -return true; -} - -/*! - @brief scan a string literal - - This function scans a string according to Sect. 7 of RFC 7159. While - scanning, bytes are escaped and copied into buffer token_buffer. Then the - function returns successfully, token_buffer is *not* null-terminated (as it - may contain \0 bytes), and token_buffer.size() is the number of bytes in the - string. - - @return token_type::value_string if string could be successfully scanned, - token_type::parse_error otherwise - - @note In case of errors, variable error_message contains a textual - description. - */ -token_type scan_string() -{ -// reset token_buffer (ignore opening quote) -reset(); - -// we entered the function by reading an open quote -JSON_ASSERT(current == '\"'); - -while (true) -{ -// get next character -switch (get()) -{ -// end of file while parsing string -case std::char_traits::eof(): -{ -error_message = "invalid string: missing closing quote"; -return token_type::parse_error; -} - -// closing quote -case '\"': -{ -return token_type::value_string; -} - -// escapes -case '\\': -{ -switch (get()) -{ -// quotation mark -case '\"': -add('\"'); -break; -// reverse solidus -case '\\': -add('\\'); -break; -// solidus -case '/': -add('/'); -break; -// backspace -case 'b': -add('\b'); -break; -// form feed -case 'f': -add('\f'); -break; -// line feed -case 'n': -add('\n'); -break; -// carriage return -case 'r': -add('\r'); -break; -// tab -case 't': -add('\t'); -break; - -// unicode escapes -case 'u': -{ -const int codepoint1 = get_codepoint(); -int codepoint = codepoint1; // start with codepoint1 - -if (JSON_HEDLEY_UNLIKELY(codepoint1 == -1)) -{ -error_message = "invalid string: '\\u' must be followed by 4 hex digits"; -return token_type::parse_error; -} - -// check if code point is a high surrogate -if (0xD800 <= codepoint1 && codepoint1 <= 0xDBFF) -{ -// expect next \uxxxx entry -if (JSON_HEDLEY_LIKELY(get() == '\\' && get() == 'u')) -{ -const int codepoint2 = get_codepoint(); - -if (JSON_HEDLEY_UNLIKELY(codepoint2 == -1)) -{ -error_message = "invalid string: '\\u' must be followed by 4 hex digits"; -return token_type::parse_error; -} - -// check if codepoint2 is a low surrogate -if (JSON_HEDLEY_LIKELY(0xDC00 <= codepoint2 && codepoint2 <= 0xDFFF)) -{ -// overwrite codepoint -codepoint = static_cast( -// high surrogate occupies the most significant 22 bits -(static_cast(codepoint1) << 10u) -// low surrogate occupies the least significant 15 bits -+ static_cast(codepoint2) -// there is still the 0xD800, 0xDC00 and 0x10000 noise -// in the result so we have to subtract with: -// (0xD800 << 10) + DC00 - 0x10000 = 0x35FDC00 -- 0x35FDC00u); -} -else -{ -error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; -return token_type::parse_error; -} -} -else -{ -error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; -return token_type::parse_error; -} -} -else -{ -if (JSON_HEDLEY_UNLIKELY(0xDC00 <= codepoint1 && codepoint1 <= 0xDFFF)) -{ -error_message = "invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF"; -return token_type::parse_error; -} -} - -// result of the above calculation yields a proper codepoint -JSON_ASSERT(0x00 <= codepoint && codepoint <= 0x10FFFF); - -// translate codepoint into bytes -if (codepoint < 0x80) -{ -// 1-byte characters: 0xxxxxxx (ASCII) -add(static_cast(codepoint)); -} -else if (codepoint <= 0x7FF) -{ -// 2-byte characters: 110xxxxx 10xxxxxx -add(static_cast(0xC0u | (static_cast(codepoint) >> 6u))); -add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); -} -else if (codepoint <= 0xFFFF) -{ -// 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx -add(static_cast(0xE0u | (static_cast(codepoint) >> 12u))); -add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); -add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); -} -else -{ -// 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx -add(static_cast(0xF0u | (static_cast(codepoint) >> 18u))); -add(static_cast(0x80u | ((static_cast(codepoint) >> 12u) & 0x3Fu))); -add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); -add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); -} - -break; -} - -// other characters after escape -default: -error_message = "invalid string: forbidden character after backslash"; -return token_type::parse_error; -} - -break; -} - -// invalid control characters -case 0x00: -{ -error_message = "invalid string: control character U+0000 (NUL) must be escaped to \\u0000"; -return token_type::parse_error; -} - -case 0x01: -{ -error_message = "invalid string: control character U+0001 (SOH) must be escaped to \\u0001"; -return token_type::parse_error; -} - -case 0x02: -{ -error_message = "invalid string: control character U+0002 (STX) must be escaped to \\u0002"; -return token_type::parse_error; -} - -case 0x03: -{ -error_message = "invalid string: control character U+0003 (ETX) must be escaped to \\u0003"; -return token_type::parse_error; -} - -case 0x04: -{ -error_message = "invalid string: control character U+0004 (EOT) must be escaped to \\u0004"; -return token_type::parse_error; -} - -case 0x05: -{ -error_message = "invalid string: control character U+0005 (ENQ) must be escaped to \\u0005"; -return token_type::parse_error; -} - -case 0x06: -{ -error_message = "invalid string: control character U+0006 (ACK) must be escaped to \\u0006"; -return token_type::parse_error; -} - -case 0x07: -{ -error_message = "invalid string: control character U+0007 (BEL) must be escaped to \\u0007"; -return token_type::parse_error; -} - -case 0x08: -{ -error_message = "invalid string: control character U+0008 (BS) must be escaped to \\u0008 or \\b"; -return token_type::parse_error; -} - -case 0x09: -{ -error_message = "invalid string: control character U+0009 (HT) must be escaped to \\u0009 or \\t"; -return token_type::parse_error; -} - -case 0x0A: -{ -error_message = "invalid string: control character U+000A (LF) must be escaped to \\u000A or \\n"; -return token_type::parse_error; -} - -case 0x0B: -{ -error_message = "invalid string: control character U+000B (VT) must be escaped to \\u000B"; -return token_type::parse_error; -} - -case 0x0C: -{ -error_message = "invalid string: control character U+000C (FF) must be escaped to \\u000C or \\f"; -return token_type::parse_error; -} - -case 0x0D: -{ -error_message = "invalid string: control character U+000D (CR) must be escaped to \\u000D or \\r"; -return token_type::parse_error; -} - -case 0x0E: -{ -error_message = "invalid string: control character U+000E (SO) must be escaped to \\u000E"; -return token_type::parse_error; -} - -case 0x0F: -{ -error_message = "invalid string: control character U+000F (SI) must be escaped to \\u000F"; -return token_type::parse_error; -} - -case 0x10: -{ -error_message = "invalid string: control character U+0010 (DLE) must be escaped to \\u0010"; -return token_type::parse_error; -} - -case 0x11: -{ -error_message = "invalid string: control character U+0011 (DC1) must be escaped to \\u0011"; -return token_type::parse_error; -} - -case 0x12: -{ -error_message = "invalid string: control character U+0012 (DC2) must be escaped to \\u0012"; -return token_type::parse_error; -} - -case 0x13: -{ -error_message = "invalid string: control character U+0013 (DC3) must be escaped to \\u0013"; -return token_type::parse_error; -} - -case 0x14: -{ -error_message = "invalid string: control character U+0014 (DC4) must be escaped to \\u0014"; -return token_type::parse_error; -} - -case 0x15: -{ -error_message = "invalid string: control character U+0015 (NAK) must be escaped to \\u0015"; -return token_type::parse_error; -} - -case 0x16: -{ -error_message = "invalid string: control character U+0016 (SYN) must be escaped to \\u0016"; -return token_type::parse_error; -} - -case 0x17: -{ -error_message = "invalid string: control character U+0017 (ETB) must be escaped to \\u0017"; -return token_type::parse_error; -} - -case 0x18: -{ -error_message = "invalid string: control character U+0018 (CAN) must be escaped to \\u0018"; -return token_type::parse_error; -} - -case 0x19: -{ -error_message = "invalid string: control character U+0019 (EM) must be escaped to \\u0019"; -return token_type::parse_error; -} - -case 0x1A: -{ -error_message = "invalid string: control character U+001A (SUB) must be escaped to \\u001A"; -return token_type::parse_error; -} - -case 0x1B: -{ -error_message = "invalid string: control character U+001B (ESC) must be escaped to \\u001B"; -return token_type::parse_error; -} - -case 0x1C: -{ -error_message = "invalid string: control character U+001C (FS) must be escaped to \\u001C"; -return token_type::parse_error; -} - -case 0x1D: -{ -error_message = "invalid string: control character U+001D (GS) must be escaped to \\u001D"; -return token_type::parse_error; -} - -case 0x1E: -{ -error_message = "invalid string: control character U+001E (RS) must be escaped to \\u001E"; -return token_type::parse_error; -} - -case 0x1F: -{ -error_message = "invalid string: control character U+001F (US) must be escaped to \\u001F"; -return token_type::parse_error; -} - -// U+0020..U+007F (except U+0022 (quote) and U+005C (backspace)) -case 0x20: -case 0x21: -case 0x23: -case 0x24: -case 0x25: -case 0x26: -case 0x27: -case 0x28: -case 0x29: -case 0x2A: -case 0x2B: -case 0x2C: -case 0x2D: -case 0x2E: -case 0x2F: -case 0x30: -case 0x31: -case 0x32: -case 0x33: -case 0x34: -case 0x35: -case 0x36: -case 0x37: -case 0x38: -case 0x39: -case 0x3A: -case 0x3B: -case 0x3C: -case 0x3D: -case 0x3E: -case 0x3F: -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -case 0x58: -case 0x59: -case 0x5A: -case 0x5B: -case 0x5D: -case 0x5E: -case 0x5F: -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -case 0x78: -case 0x79: -case 0x7A: -case 0x7B: -case 0x7C: -case 0x7D: -case 0x7E: -case 0x7F: -{ -add(current); -break; -} - -// U+0080..U+07FF: bytes C2..DF 80..BF -case 0xC2: -case 0xC3: -case 0xC4: -case 0xC5: -case 0xC6: -case 0xC7: -case 0xC8: -case 0xC9: -case 0xCA: -case 0xCB: -case 0xCC: -case 0xCD: -case 0xCE: -case 0xCF: -case 0xD0: -case 0xD1: -case 0xD2: -case 0xD3: -case 0xD4: -case 0xD5: -case 0xD6: -case 0xD7: -case 0xD8: -case 0xD9: -case 0xDA: -case 0xDB: -case 0xDC: -case 0xDD: -case 0xDE: -case 0xDF: -{ -if (JSON_HEDLEY_UNLIKELY(!next_byte_in_range({0x80, 0xBF}))) -{ -return token_type::parse_error; -} -break; -} - -// U+0800..U+0FFF: bytes E0 A0..BF 80..BF -case 0xE0: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0xA0, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+1000..U+CFFF: bytes E1..EC 80..BF 80..BF -// U+E000..U+FFFF: bytes EE..EF 80..BF 80..BF -case 0xE1: -case 0xE2: -case 0xE3: -case 0xE4: -case 0xE5: -case 0xE6: -case 0xE7: -case 0xE8: -case 0xE9: -case 0xEA: -case 0xEB: -case 0xEC: -case 0xEE: -case 0xEF: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+D000..U+D7FF: bytes ED 80..9F 80..BF -case 0xED: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x9F, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+10000..U+3FFFF F0 90..BF 80..BF 80..BF -case 0xF0: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x90, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF -case 0xF1: -case 0xF2: -case 0xF3: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+100000..U+10FFFF F4 80..8F 80..BF 80..BF -case 0xF4: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x8F, 0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// remaining bytes (80..C1 and F5..FF) are ill-formed -default: -{ -error_message = "invalid string: ill-formed UTF-8 byte"; -return token_type::parse_error; -} -} -} -} - -/*! - * @brief scan a comment - * @return whether comment could be scanned successfully - */ -bool scan_comment() -{ -switch (get()) -{ -// single-line comments skip input until a newline or EOF is read -case '/': -{ -while (true) -{ -switch (get()) -{ -case '\n': -case '\r': -case std::char_traits::eof(): -case '\0': -return true; - -default: -break; -} -} -} - -// multi-line comments skip input until */ is read -case '*': -{ -while (true) -{ -switch (get()) -{ -case std::char_traits::eof(): -case '\0': -{ -error_message = "invalid comment; missing closing '*/'"; -return false; -} - -case '*': -{ -switch (get()) -{ -case '/': -return true; - -default: -{ -unget(); -continue; -} -} -} - -default: -continue; -} -} -} - -// unexpected character after reading '/' -default: -{ -error_message = "invalid comment; expecting '/' or '*' after '/'"; -return false; -} -} -} - -JSON_HEDLEY_NON_NULL(2) -static void strtof(float& f, const char* str, char** endptr) noexcept -{ -f = std::strtof(str, endptr); -} - -JSON_HEDLEY_NON_NULL(2) -static void strtof(double& f, const char* str, char** endptr) noexcept -{ -f = std::strtod(str, endptr); -} - -JSON_HEDLEY_NON_NULL(2) -static void strtof(long double& f, const char* str, char** endptr) noexcept -{ -f = std::strtold(str, endptr); -} - -/*! - @brief scan a number literal - - This function scans a string according to Sect. 6 of RFC 7159. - - The function is realized with a deterministic finite state machine derived - from the grammar described in RFC 7159. Starting in state "init", the - input is read and used to determined the next state. Only state "done" - accepts the number. State "error" is a trap state to model errors. In the - table below, "anything" means any character but the ones listed before. - - state | 0 | 1-9 | e E | + | - | . | anything - ---------|----------|----------|----------|---------|---------|----------|----------- - init | zero | any1 | [error] | [error] | minus | [error] | [error] - minus | zero | any1 | [error] | [error] | [error] | [error] | [error] - zero | done | done | exponent | done | done | decimal1 | done - any1 | any1 | any1 | exponent | done | done | decimal1 | done - decimal1 | decimal2 | decimal2 | [error] | [error] | [error] | [error] | [error] - decimal2 | decimal2 | decimal2 | exponent | done | done | done | done - exponent | any2 | any2 | [error] | sign | sign | [error] | [error] - sign | any2 | any2 | [error] | [error] | [error] | [error] | [error] - any2 | any2 | any2 | done | done | done | done | done - - The state machine is realized with one label per state (prefixed with - "scan_number_") and `goto` statements between them. The state machine - contains cycles, but any cycle can be left when EOF is read. Therefore, - the function is guaranteed to terminate. - - During scanning, the read bytes are stored in token_buffer. This string is - then converted to a signed integer, an unsigned integer, or a - floating-point number. - - @return token_type::value_unsigned, token_type::value_integer, or - token_type::value_float if number could be successfully scanned, - token_type::parse_error otherwise - - @note The scanner is independent of the current locale. Internally, the - locale's decimal point is used instead of `.` to work with the - locale-dependent converters. - */ -token_type scan_number() // lgtm [cpp/use-of-goto] -{ -// reset token_buffer to store the number's bytes -reset(); - -// the type of the parsed number; initially set to unsigned; will be -// changed if minus sign, decimal point or exponent is read -token_type number_type = token_type::value_unsigned; - -// state (init): we just found out we need to scan a number -switch (current) -{ -case '-': -{ -add(current); -goto scan_number_minus; -} - -case '0': -{ -add(current); -goto scan_number_zero; -} - -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any1; -} - -// all other characters are rejected outside scan_number() -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} - -scan_number_minus: -// state: we just parsed a leading minus sign -number_type = token_type::value_integer; -switch (get()) -{ -case '0': -{ -add(current); -goto scan_number_zero; -} - -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any1; -} - -default: -{ -error_message = "invalid number; expected digit after '-'"; -return token_type::parse_error; -} -} - -scan_number_zero: -// state: we just parse a zero (maybe with a leading minus sign) -switch (get()) -{ -case '.': -{ -add(decimal_point_char); -goto scan_number_decimal1; -} - -case 'e': -case 'E': -{ -add(current); -goto scan_number_exponent; -} - -default: -goto scan_number_done; -} - -scan_number_any1: -// state: we just parsed a number 0-9 (maybe with a leading minus sign) -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any1; -} - -case '.': -{ -add(decimal_point_char); -goto scan_number_decimal1; -} - -case 'e': -case 'E': -{ -add(current); -goto scan_number_exponent; -} - -default: -goto scan_number_done; -} - -scan_number_decimal1: -// state: we just parsed a decimal point -number_type = token_type::value_float; -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_decimal2; -} - -default: -{ -error_message = "invalid number; expected digit after '.'"; -return token_type::parse_error; -} -} - -scan_number_decimal2: -// we just parsed at least one number after a decimal point -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_decimal2; -} - -case 'e': -case 'E': -{ -add(current); -goto scan_number_exponent; -} - -default: -goto scan_number_done; -} - -scan_number_exponent: -// we just parsed an exponent -number_type = token_type::value_float; -switch (get()) -{ -case '+': -case '-': -{ -add(current); -goto scan_number_sign; -} - -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any2; -} - -default: -{ -error_message = -"invalid number; expected '+', '-', or digit after exponent"; -return token_type::parse_error; -} -} - -scan_number_sign: -// we just parsed an exponent sign -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any2; -} - -default: -{ -error_message = "invalid number; expected digit after exponent sign"; -return token_type::parse_error; -} -} - -scan_number_any2: -// we just parsed a number after the exponent or exponent sign -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any2; -} - -default: -goto scan_number_done; -} - -scan_number_done: -// unget the character after the number (we only read it to know that -// we are done scanning a number) -unget(); - -char* endptr = nullptr; -errno = 0; - -// try to parse integers first and fall back to floats -if (number_type == token_type::value_unsigned) -{ -const auto x = std::strtoull(token_buffer.data(), &endptr, 10); - -// we checked the number format before -JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - -if (errno == 0) -{ -value_unsigned = static_cast(x); -if (value_unsigned == x) -{ -return token_type::value_unsigned; -} -} -} -else if (number_type == token_type::value_integer) -{ -const auto x = std::strtoll(token_buffer.data(), &endptr, 10); - -// we checked the number format before -JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - -if (errno == 0) -{ -value_integer = static_cast(x); -if (value_integer == x) -{ -return token_type::value_integer; -} -} -} - -// this code is reached if we parse a floating-point number or if an -// integer conversion above failed -strtof(value_float, token_buffer.data(), &endptr); - -// we checked the number format before -JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - -return token_type::value_float; -} - -/*! - @param[in] literal_text the literal text to expect - @param[in] length the length of the passed literal text - @param[in] return_type the token type to return on success - */ -JSON_HEDLEY_NON_NULL(2) -token_type scan_literal(const char_type* literal_text, const std::size_t length, -token_type return_type) -{ -JSON_ASSERT(std::char_traits::to_char_type(current) == literal_text[0]); -for (std::size_t i = 1; i < length; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(std::char_traits::to_char_type(get()) != literal_text[i])) -{ -error_message = "invalid literal"; -return token_type::parse_error; -} -} -return return_type; -} - -///////////////////// -// input management -///////////////////// - -/// reset token_buffer; current character is beginning of token -void reset() noexcept -{ -token_buffer.clear(); -token_string.clear(); -token_string.push_back(std::char_traits::to_char_type(current)); -} - -/* - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a - `std::char_traits::eof()` in that case. Stores the scanned characters - for use in error messages. - - @return character read from the input - */ -char_int_type get() -{ -++position.chars_read_total; -++position.chars_read_current_line; - -if (next_unget) -{ -// just reset the next_unget variable and work with current -next_unget = false; -} -else -{ -current = ia.get_character(); -} - -if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) -{ -token_string.push_back(std::char_traits::to_char_type(current)); -} - -if (current == '\n') -{ -++position.lines_read; -position.chars_read_current_line = 0; -} - -return current; -} - -/*! - @brief unget current character (read it again on next get) - - We implement unget by setting variable next_unget to true. The input is not - changed - we just simulate ungetting by modifying chars_read_total, - chars_read_current_line, and token_string. The next call to get() will - behave as if the unget character is read again. - */ -void unget() -{ -next_unget = true; - ---position.chars_read_total; - -// in case we "unget" a newline, we have to also decrement the lines_read -if (position.chars_read_current_line == 0) -{ -if (position.lines_read > 0) -{ ---position.lines_read; -} -} -else -{ ---position.chars_read_current_line; -} - -if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) -{ -JSON_ASSERT(!token_string.empty()); -token_string.pop_back(); -} -} - -/// add a character to token_buffer -void add(char_int_type c) -{ -token_buffer.push_back(static_cast(c)); -} - -public: -///////////////////// -// value getters -///////////////////// - -/// return integer value -constexpr number_integer_t get_number_integer() const noexcept -{ -return value_integer; -} - -/// return unsigned integer value -constexpr number_unsigned_t get_number_unsigned() const noexcept -{ -return value_unsigned; -} - -/// return floating-point value -constexpr number_float_t get_number_float() const noexcept -{ -return value_float; -} - -/// return current string value (implicitly resets the token; useful only once) -string_t& get_string() -{ -return token_buffer; -} - -///////////////////// -// diagnostics -///////////////////// - -/// return position of last read token -constexpr position_t get_position() const noexcept -{ -return position; -} - -/// return the last read token (for errors only). Will never contain EOF -/// (an arbitrary value that is not a valid char value, often -1), because -/// 255 may legitimately occur. May contain NUL, which should be escaped. -std::string get_token_string() const -{ -// escape control characters -std::string result; -for (const auto c : token_string) -{ -if (static_cast(c) <= '\x1F') -{ -// escape control characters -std::array cs{{}}; -(std::snprintf)(cs.data(), cs.size(), "", static_cast(c)); -result += cs.data(); -} -else -{ -// add character as is -result.push_back(static_cast(c)); -} -} - -return result; -} - -/// return syntax error message -JSON_HEDLEY_RETURNS_NON_NULL -constexpr const char* get_error_message() const noexcept -{ -return error_message; -} - -///////////////////// -// actual scanner -///////////////////// - -/*! - @brief skip the UTF-8 byte order mark - @return true iff there is no BOM or the correct BOM has been skipped - */ -bool skip_bom() -{ -if (get() == 0xEF) -{ -// check if we completely parse the BOM -return get() == 0xBB && get() == 0xBF; -} - -// the first character is not the beginning of the BOM; unget it to -// process is later -unget(); -return true; -} - -void skip_whitespace() -{ -do -{ -get(); -} -while (current == ' ' || current == '\t' || current == '\n' || current == '\r'); -} - -token_type scan() -{ -// initially, skip the BOM -if (position.chars_read_total == 0 && !skip_bom()) -{ -error_message = "invalid BOM; must be 0xEF 0xBB 0xBF if given"; -return token_type::parse_error; -} - -// read next character and ignore whitespace -skip_whitespace(); - -// ignore comments -while (ignore_comments && current == '/') -{ -if (!scan_comment()) -{ -return token_type::parse_error; -} - -// skip following whitespace -skip_whitespace(); -} - -switch (current) -{ -// structural characters -case '[': -return token_type::begin_array; -case ']': -return token_type::end_array; -case '{': -return token_type::begin_object; -case '}': -return token_type::end_object; -case ':': -return token_type::name_separator; -case ',': -return token_type::value_separator; - -// literals -case 't': -{ -std::array true_literal = {{'t', 'r', 'u', 'e'}}; -return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true); -} -case 'f': -{ -std::array false_literal = {{'f', 'a', 'l', 's', 'e'}}; -return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false); -} -case 'n': -{ -std::array null_literal = {{'n', 'u', 'l', 'l'}}; -return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null); -} - -// string -case '\"': -return scan_string(); - -// number -case '-': -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -return scan_number(); - -// end of input (the null byte is needed when parsing from -// string literals) -case '\0': -case std::char_traits::eof(): -return token_type::end_of_input; - -// error -default: -error_message = "invalid literal"; -return token_type::parse_error; -} -} - -private: -/// input adapter -InputAdapterType ia; - -/// whether comments should be ignored (true) or signaled as errors (false) -const bool ignore_comments = false; - -/// the current character -char_int_type current = std::char_traits::eof(); - -/// whether the next get() call should just return current -bool next_unget = false; - -/// the start position of the current token -position_t position {}; - -/// raw input token string (for error messages) -std::vector token_string {}; - -/// buffer for variable-length tokens (numbers, strings) -string_t token_buffer {}; - -/// a description of occurred lexer errors -const char* error_message = ""; - -// number values -number_integer_t value_integer = 0; -number_unsigned_t value_unsigned = 0; -number_float_t value_float = 0; - -/// the decimal point -const char_int_type decimal_point_char = '.'; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // declval -#include // string - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -using null_function_t = decltype(std::declval().null()); - -template -using boolean_function_t = -decltype(std::declval().boolean(std::declval())); - -template -using number_integer_function_t = -decltype(std::declval().number_integer(std::declval())); - -template -using number_unsigned_function_t = -decltype(std::declval().number_unsigned(std::declval())); - -template -using number_float_function_t = decltype(std::declval().number_float( -std::declval(), std::declval())); - -template -using string_function_t = -decltype(std::declval().string(std::declval())); - -template -using binary_function_t = -decltype(std::declval().binary(std::declval())); - -template -using start_object_function_t = -decltype(std::declval().start_object(std::declval())); - -template -using key_function_t = -decltype(std::declval().key(std::declval())); - -template -using end_object_function_t = decltype(std::declval().end_object()); - -template -using start_array_function_t = -decltype(std::declval().start_array(std::declval())); - -template -using end_array_function_t = decltype(std::declval().end_array()); - -template -using parse_error_function_t = decltype(std::declval().parse_error( -std::declval(), std::declval(), -std::declval())); - -template -struct is_sax -{ -private: -static_assert(is_basic_json::value, -"BasicJsonType must be of type basic_json<...>"); - -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using exception_t = typename BasicJsonType::exception; - -public: -static constexpr bool value = -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value; -}; - -template -struct is_sax_static_asserts -{ -private: -static_assert(is_basic_json::value, -"BasicJsonType must be of type basic_json<...>"); - -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using exception_t = typename BasicJsonType::exception; - -public: -static_assert(is_detected_exact::value, -"Missing/invalid function: bool null()"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool boolean(bool)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool boolean(bool)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool number_integer(number_integer_t)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool number_unsigned(number_unsigned_t)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool number_float(number_float_t, const string_t&)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool string(string_t&)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool binary(binary_t&)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool start_object(std::size_t)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool key(string_t&)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool end_object()"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool start_array(std::size_t)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool end_array()"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool parse_error(std::size_t, const " -"std::string&, const exception&)"); -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/// how to treat CBOR tags -enum class cbor_tag_handler_t -{ -error, ///< throw a parse_error exception in case of a tag -ignore ///< ignore tags -}; - -/*! -@brief determine system byte order - -@return true if and only if system's byte order is little endian - -@note from https://stackoverflow.com/a/1001328/266378 -*/ -static inline bool little_endianess(int num = 1) noexcept -{ -return *reinterpret_cast(&num) == 1; -} - - -/////////////////// -// binary reader // -/////////////////// - -/*! -@brief deserialization of CBOR, MessagePack, and UBJSON values -*/ -template> -class binary_reader -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using json_sax_t = SAX; -using char_type = typename InputAdapterType::char_type; -using char_int_type = typename std::char_traits::int_type; - -public: -/*! - @brief create a binary reader - - @param[in] adapter input adapter to read from - */ -explicit binary_reader(InputAdapterType&& adapter) : ia(std::move(adapter)) -{ -(void)detail::is_sax_static_asserts {}; -} - -// make class move-only -binary_reader(const binary_reader&) = delete; -binary_reader(binary_reader&&) = default; -binary_reader& operator=(const binary_reader&) = delete; -binary_reader& operator=(binary_reader&&) = default; -~binary_reader() = default; - -/*! - @param[in] format the binary format to parse - @param[in] sax_ a SAX event processor - @param[in] strict whether to expect the input to be consumed completed - @param[in] tag_handler how to treat CBOR tags - - @return - */ -JSON_HEDLEY_NON_NULL(3) -bool sax_parse(const input_format_t format, -json_sax_t* sax_, -const bool strict = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -sax = sax_; -bool result = false; - -switch (format) -{ -case input_format_t::bson: -result = parse_bson_internal(); -break; - -case input_format_t::cbor: -result = parse_cbor_internal(true, tag_handler); -break; - -case input_format_t::msgpack: -result = parse_msgpack_internal(); -break; - -case input_format_t::ubjson: -result = parse_ubjson_internal(); -break; - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} - -// strict mode: next byte must be EOF -if (result && strict) -{ -if (format == input_format_t::ubjson) -{ -get_ignore_noop(); -} -else -{ -get(); -} - -if (JSON_HEDLEY_UNLIKELY(current != std::char_traits::eof())) -{ -return sax->parse_error(chars_read, get_token_string(), -parse_error::create(110, chars_read, exception_message(format, "expected end of input; last byte: 0x" + get_token_string(), "value"))); -} -} - -return result; -} - -private: -////////// -// BSON // -////////// - -/*! - @brief Reads in a BSON-object and passes it to the SAX-parser. - @return whether a valid BSON-value was passed to the SAX parser - */ -bool parse_bson_internal() -{ -std::int32_t document_size{}; -get_number(input_format_t::bson, document_size); - -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/false))) -{ -return false; -} - -return sax->end_object(); -} - -/*! - @brief Parses a C-style string from the BSON input. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @return `true` if the \x00-byte indicating the end of the string was - encountered before the EOF; false` indicates an unexpected EOF. - */ -bool get_bson_cstr(string_t& result) -{ -auto out = std::back_inserter(result); -while (true) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "cstring"))) -{ -return false; -} -if (current == 0x00) -{ -return true; -} -*out++ = static_cast(current); -} -} - -/*! - @brief Parses a zero-terminated string of length @a len from the BSON - input. - @param[in] len The length (including the zero-byte at the end) of the - string to be read. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 1 - @return `true` if the string was successfully parsed - */ -template -bool get_bson_string(const NumberType len, string_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(len < 1)) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string"))); -} - -return get_string(input_format_t::bson, len - static_cast(1), result) && get() != std::char_traits::eof(); -} - -/*! - @brief Parses a byte array input of length @a len from the BSON input. - @param[in] len The length of the byte array to be read. - @param[in, out] result A reference to the binary variable where the read - array is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 0 - @return `true` if the byte array was successfully parsed - */ -template -bool get_bson_binary(const NumberType len, binary_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(len < 0)) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "byte array length cannot be negative, is " + std::to_string(len), "binary"))); -} - -// All BSON binary values have a subtype -std::uint8_t subtype{}; -get_number(input_format_t::bson, subtype); -result.set_subtype(subtype); - -return get_binary(input_format_t::bson, len, result); -} - -/*! - @brief Read a BSON document element of the given @a element_type. - @param[in] element_type The BSON element type, c.f. http://bsonspec.org/spec.html - @param[in] element_type_parse_position The position in the input stream, - where the `element_type` was read. - @warning Not all BSON element types are supported yet. An unsupported - @a element_type will give rise to a parse_error.114: - Unsupported BSON record type 0x... - @return whether a valid BSON-object/array was passed to the SAX parser - */ -bool parse_bson_element_internal(const char_int_type element_type, -const std::size_t element_type_parse_position) -{ -switch (element_type) -{ -case 0x01: // double -{ -double number{}; -return get_number(input_format_t::bson, number) && sax->number_float(static_cast(number), ""); -} - -case 0x02: // string -{ -std::int32_t len{}; -string_t value; -return get_number(input_format_t::bson, len) && get_bson_string(len, value) && sax->string(value); -} - -case 0x03: // object -{ -return parse_bson_internal(); -} - -case 0x04: // array -{ -return parse_bson_array(); -} - -case 0x05: // binary -{ -std::int32_t len{}; -binary_t value; -return get_number(input_format_t::bson, len) && get_bson_binary(len, value) && sax->binary(value); -} - -case 0x08: // boolean -{ -return sax->boolean(get() != 0); -} - -case 0x0A: // null -{ -return sax->null(); -} - -case 0x10: // int32 -{ -std::int32_t value{}; -return get_number(input_format_t::bson, value) && sax->number_integer(value); -} - -case 0x12: // int64 -{ -std::int64_t value{}; -return get_number(input_format_t::bson, value) && sax->number_integer(value); -} - -default: // anything else not supported (yet) -{ -std::array cr{{}}; -(std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(element_type)); -return sax->parse_error(element_type_parse_position, std::string(cr.data()), parse_error::create(114, element_type_parse_position, "Unsupported BSON record type 0x" + std::string(cr.data()))); -} -} -} - -/*! - @brief Read a BSON element list (as specified in the BSON-spec) - - The same binary layout is used for objects and arrays, hence it must be - indicated with the argument @a is_array which one is expected - (true --> array, false --> object). - - @param[in] is_array Determines if the element list being read is to be - treated as an object (@a is_array == false), or as an - array (@a is_array == true). - @return whether a valid BSON-object/array was passed to the SAX parser - */ -bool parse_bson_element_list(const bool is_array) -{ -string_t key; - -while (auto element_type = get()) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "element list"))) -{ -return false; -} - -const std::size_t element_type_parse_position = chars_read; -if (JSON_HEDLEY_UNLIKELY(!get_bson_cstr(key))) -{ -return false; -} - -if (!is_array && !sax->key(key)) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_internal(element_type, element_type_parse_position))) -{ -return false; -} - -// get_bson_cstr only appends -key.clear(); -} - -return true; -} - -/*! - @brief Reads an array from the BSON input and passes it to the SAX-parser. - @return whether a valid BSON-array was passed to the SAX parser - */ -bool parse_bson_array() -{ -std::int32_t document_size{}; -get_number(input_format_t::bson, document_size); - -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/true))) -{ -return false; -} - -return sax->end_array(); -} - -////////// -// CBOR // -////////// - -/*! - @param[in] get_char whether a new character should be retrieved from the - input (true) or whether the last read character should - be considered instead (false) - @param[in] tag_handler how CBOR tags should be treated - - @return whether a valid CBOR value was passed to the SAX parser - */ -bool parse_cbor_internal(const bool get_char, -const cbor_tag_handler_t tag_handler) -{ -switch (get_char ? get() : current) -{ -// EOF -case std::char_traits::eof(): -return unexpect_eof(input_format_t::cbor, "value"); - -// Integer 0x00..0x17 (0..23) -case 0x00: -case 0x01: -case 0x02: -case 0x03: -case 0x04: -case 0x05: -case 0x06: -case 0x07: -case 0x08: -case 0x09: -case 0x0A: -case 0x0B: -case 0x0C: -case 0x0D: -case 0x0E: -case 0x0F: -case 0x10: -case 0x11: -case 0x12: -case 0x13: -case 0x14: -case 0x15: -case 0x16: -case 0x17: -return sax->number_unsigned(static_cast(current)); - -case 0x18: // Unsigned integer (one-byte uint8_t follows) -{ -std::uint8_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -case 0x19: // Unsigned integer (two-byte uint16_t follows) -{ -std::uint16_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -case 0x1A: // Unsigned integer (four-byte uint32_t follows) -{ -std::uint32_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -case 0x1B: // Unsigned integer (eight-byte uint64_t follows) -{ -std::uint64_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -// Negative integer -1-0x00..-1-0x17 (-1..-24) -case 0x20: -case 0x21: -case 0x22: -case 0x23: -case 0x24: -case 0x25: -case 0x26: -case 0x27: -case 0x28: -case 0x29: -case 0x2A: -case 0x2B: -case 0x2C: -case 0x2D: -case 0x2E: -case 0x2F: -case 0x30: -case 0x31: -case 0x32: -case 0x33: -case 0x34: -case 0x35: -case 0x36: -case 0x37: -return sax->number_integer(static_cast(0x20 - 1 - current)); - -case 0x38: // Negative integer (one-byte uint8_t follows) -{ -std::uint8_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); -} - -case 0x39: // Negative integer -1-n (two-byte uint16_t follows) -{ -std::uint16_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); -} - -case 0x3A: // Negative integer -1-n (four-byte uint32_t follows) -{ -std::uint32_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); -} - -case 0x3B: // Negative integer -1-n (eight-byte uint64_t follows) -{ -std::uint64_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) -- static_cast(number)); -} - -// Binary data (0x00..0x17 bytes follow) -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -case 0x58: // Binary data (one-byte uint8_t for n follows) -case 0x59: // Binary data (two-byte uint16_t for n follow) -case 0x5A: // Binary data (four-byte uint32_t for n follow) -case 0x5B: // Binary data (eight-byte uint64_t for n follow) -case 0x5F: // Binary data (indefinite length) -{ -binary_t b; -return get_cbor_binary(b) && sax->binary(b); -} - -// UTF-8 string (0x00..0x17 bytes follow) -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -case 0x78: // UTF-8 string (one-byte uint8_t for n follows) -case 0x79: // UTF-8 string (two-byte uint16_t for n follow) -case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) -case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) -case 0x7F: // UTF-8 string (indefinite length) -{ -string_t s; -return get_cbor_string(s) && sax->string(s); -} - -// array (0x00..0x17 data items follow) -case 0x80: -case 0x81: -case 0x82: -case 0x83: -case 0x84: -case 0x85: -case 0x86: -case 0x87: -case 0x88: -case 0x89: -case 0x8A: -case 0x8B: -case 0x8C: -case 0x8D: -case 0x8E: -case 0x8F: -case 0x90: -case 0x91: -case 0x92: -case 0x93: -case 0x94: -case 0x95: -case 0x96: -case 0x97: -return get_cbor_array(static_cast(static_cast(current) & 0x1Fu), tag_handler); - -case 0x98: // array (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x99: // array (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x9A: // array (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x9B: // array (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x9F: // array (indefinite length) -return get_cbor_array(std::size_t(-1), tag_handler); - -// map (0x00..0x17 pairs of data items follow) -case 0xA0: -case 0xA1: -case 0xA2: -case 0xA3: -case 0xA4: -case 0xA5: -case 0xA6: -case 0xA7: -case 0xA8: -case 0xA9: -case 0xAA: -case 0xAB: -case 0xAC: -case 0xAD: -case 0xAE: -case 0xAF: -case 0xB0: -case 0xB1: -case 0xB2: -case 0xB3: -case 0xB4: -case 0xB5: -case 0xB6: -case 0xB7: -return get_cbor_object(static_cast(static_cast(current) & 0x1Fu), tag_handler); - -case 0xB8: // map (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xB9: // map (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xBA: // map (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xBB: // map (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xBF: // map (indefinite length) -return get_cbor_object(std::size_t(-1), tag_handler); - -case 0xC6: // tagged item -case 0xC7: -case 0xC8: -case 0xC9: -case 0xCA: -case 0xCB: -case 0xCC: -case 0xCD: -case 0xCE: -case 0xCF: -case 0xD0: -case 0xD1: -case 0xD2: -case 0xD3: -case 0xD4: -case 0xD8: // tagged item (1 bytes follow) -case 0xD9: // tagged item (2 bytes follow) -case 0xDA: // tagged item (4 bytes follow) -case 0xDB: // tagged item (8 bytes follow) -{ -switch (tag_handler) -{ -case cbor_tag_handler_t::error: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); -} - -case cbor_tag_handler_t::ignore: -{ -switch (current) -{ -case 0xD8: -{ -std::uint8_t len{}; -get_number(input_format_t::cbor, len); -break; -} -case 0xD9: -{ -std::uint16_t len{}; -get_number(input_format_t::cbor, len); -break; -} -case 0xDA: -{ -std::uint32_t len{}; -get_number(input_format_t::cbor, len); -break; -} -case 0xDB: -{ -std::uint64_t len{}; -get_number(input_format_t::cbor, len); -break; -} -default: -break; -} -return parse_cbor_internal(true, tag_handler); -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -return false; // LCOV_EXCL_LINE -} -} - -case 0xF4: // false -return sax->boolean(false); - -case 0xF5: // true -return sax->boolean(true); - -case 0xF6: // null -return sax->null(); - -case 0xF9: // Half-Precision Float (two-byte IEEE 754) -{ -const auto byte1_raw = get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) -{ -return false; -} -const auto byte2_raw = get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) -{ -return false; -} - -const auto byte1 = static_cast(byte1_raw); -const auto byte2 = static_cast(byte2_raw); - -// code from RFC 7049, Appendix D, Figure 3: -// As half-precision floating-point numbers were only added -// to IEEE 754 in 2008, today's programming platforms often -// still only have limited support for them. It is very -// easy to include at least decoding support for them even -// without such support. An example of a small decoder for -// half-precision floating-point numbers in the C language -// is shown in Fig. 3. -const auto half = static_cast((byte1 << 8u) + byte2); -const double val = [&half] -{ -const int exp = (half >> 10u) & 0x1Fu; -const unsigned int mant = half & 0x3FFu; -JSON_ASSERT(0 <= exp&& exp <= 32); -JSON_ASSERT(mant <= 1024); -switch (exp) -{ -case 0: -return std::ldexp(mant, -24); -case 31: -return (mant == 0) -? std::numeric_limits::infinity() -: std::numeric_limits::quiet_NaN(); -default: -return std::ldexp(mant + 1024, exp - 25); -} -}(); -return sax->number_float((half & 0x8000u) != 0 -? static_cast(-val) -: static_cast(val), ""); -} - -case 0xFA: // Single-Precision Float (four-byte IEEE 754) -{ -float number{}; -return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); -} - -case 0xFB: // Double-Precision Float (eight-byte IEEE 754) -{ -double number{}; -return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); -} - -default: // anything else (0xFF is handled inside the other types) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); -} -} -} - -/*! - @brief reads a CBOR string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - Additionally, CBOR's strings with indefinite lengths are supported. - - @param[out] result created string - - @return whether string creation completed - */ -bool get_cbor_string(string_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "string"))) -{ -return false; -} - -switch (current) -{ -// UTF-8 string (0x00..0x17 bytes follow) -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -{ -return get_string(input_format_t::cbor, static_cast(current) & 0x1Fu, result); -} - -case 0x78: // UTF-8 string (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x79: // UTF-8 string (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x7F: // UTF-8 string (indefinite length) -{ -while (get() != 0xFF) -{ -string_t chunk; -if (!get_cbor_string(chunk)) -{ -return false; -} -result.append(chunk); -} -return true; -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x" + last_token, "string"))); -} -} -} - -/*! - @brief reads a CBOR byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into the byte array. - Additionally, CBOR's byte arrays with indefinite lengths are supported. - - @param[out] result created byte array - - @return whether byte array creation completed - */ -bool get_cbor_binary(binary_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "binary"))) -{ -return false; -} - -switch (current) -{ -// Binary data (0x00..0x17 bytes follow) -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -{ -return get_binary(input_format_t::cbor, static_cast(current) & 0x1Fu, result); -} - -case 0x58: // Binary data (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x59: // Binary data (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x5A: // Binary data (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x5B: // Binary data (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x5F: // Binary data (indefinite length) -{ -while (get() != 0xFF) -{ -binary_t chunk; -if (!get_cbor_binary(chunk)) -{ -return false; -} -result.insert(result.end(), chunk.begin(), chunk.end()); -} -return true; -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x40-0x5B) or indefinite binary array type (0x5F); last byte: 0x" + last_token, "binary"))); -} -} -} - -/*! - @param[in] len the length of the array or std::size_t(-1) for an - array of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether array creation completed - */ -bool get_cbor_array(const std::size_t len, -const cbor_tag_handler_t tag_handler) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) -{ -return false; -} - -if (len != std::size_t(-1)) -{ -for (std::size_t i = 0; i < len; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) -{ -return false; -} -} -} -else -{ -while (get() != 0xFF) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(false, tag_handler))) -{ -return false; -} -} -} - -return sax->end_array(); -} - -/*! - @param[in] len the length of the object or std::size_t(-1) for an - object of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether object creation completed - */ -bool get_cbor_object(const std::size_t len, -const cbor_tag_handler_t tag_handler) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) -{ -return false; -} - -string_t key; -if (len != std::size_t(-1)) -{ -for (std::size_t i = 0; i < len; ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) -{ -return false; -} -key.clear(); -} -} -else -{ -while (get() != 0xFF) -{ -if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) -{ -return false; -} -key.clear(); -} -} - -return sax->end_object(); -} - -///////////// -// MsgPack // -///////////// - -/*! - @return whether a valid MessagePack value was passed to the SAX parser - */ -bool parse_msgpack_internal() -{ -switch (get()) -{ -// EOF -case std::char_traits::eof(): -return unexpect_eof(input_format_t::msgpack, "value"); - -// positive fixint -case 0x00: -case 0x01: -case 0x02: -case 0x03: -case 0x04: -case 0x05: -case 0x06: -case 0x07: -case 0x08: -case 0x09: -case 0x0A: -case 0x0B: -case 0x0C: -case 0x0D: -case 0x0E: -case 0x0F: -case 0x10: -case 0x11: -case 0x12: -case 0x13: -case 0x14: -case 0x15: -case 0x16: -case 0x17: -case 0x18: -case 0x19: -case 0x1A: -case 0x1B: -case 0x1C: -case 0x1D: -case 0x1E: -case 0x1F: -case 0x20: -case 0x21: -case 0x22: -case 0x23: -case 0x24: -case 0x25: -case 0x26: -case 0x27: -case 0x28: -case 0x29: -case 0x2A: -case 0x2B: -case 0x2C: -case 0x2D: -case 0x2E: -case 0x2F: -case 0x30: -case 0x31: -case 0x32: -case 0x33: -case 0x34: -case 0x35: -case 0x36: -case 0x37: -case 0x38: -case 0x39: -case 0x3A: -case 0x3B: -case 0x3C: -case 0x3D: -case 0x3E: -case 0x3F: -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -case 0x58: -case 0x59: -case 0x5A: -case 0x5B: -case 0x5C: -case 0x5D: -case 0x5E: -case 0x5F: -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -case 0x78: -case 0x79: -case 0x7A: -case 0x7B: -case 0x7C: -case 0x7D: -case 0x7E: -case 0x7F: -return sax->number_unsigned(static_cast(current)); - -// fixmap -case 0x80: -case 0x81: -case 0x82: -case 0x83: -case 0x84: -case 0x85: -case 0x86: -case 0x87: -case 0x88: -case 0x89: -case 0x8A: -case 0x8B: -case 0x8C: -case 0x8D: -case 0x8E: -case 0x8F: -return get_msgpack_object(static_cast(static_cast(current) & 0x0Fu)); - -// fixarray -case 0x90: -case 0x91: -case 0x92: -case 0x93: -case 0x94: -case 0x95: -case 0x96: -case 0x97: -case 0x98: -case 0x99: -case 0x9A: -case 0x9B: -case 0x9C: -case 0x9D: -case 0x9E: -case 0x9F: -return get_msgpack_array(static_cast(static_cast(current) & 0x0Fu)); - -// fixstr -case 0xA0: -case 0xA1: -case 0xA2: -case 0xA3: -case 0xA4: -case 0xA5: -case 0xA6: -case 0xA7: -case 0xA8: -case 0xA9: -case 0xAA: -case 0xAB: -case 0xAC: -case 0xAD: -case 0xAE: -case 0xAF: -case 0xB0: -case 0xB1: -case 0xB2: -case 0xB3: -case 0xB4: -case 0xB5: -case 0xB6: -case 0xB7: -case 0xB8: -case 0xB9: -case 0xBA: -case 0xBB: -case 0xBC: -case 0xBD: -case 0xBE: -case 0xBF: -case 0xD9: // str 8 -case 0xDA: // str 16 -case 0xDB: // str 32 -{ -string_t s; -return get_msgpack_string(s) && sax->string(s); -} - -case 0xC0: // nil -return sax->null(); - -case 0xC2: // false -return sax->boolean(false); - -case 0xC3: // true -return sax->boolean(true); - -case 0xC4: // bin 8 -case 0xC5: // bin 16 -case 0xC6: // bin 32 -case 0xC7: // ext 8 -case 0xC8: // ext 16 -case 0xC9: // ext 32 -case 0xD4: // fixext 1 -case 0xD5: // fixext 2 -case 0xD6: // fixext 4 -case 0xD7: // fixext 8 -case 0xD8: // fixext 16 -{ -binary_t b; -return get_msgpack_binary(b) && sax->binary(b); -} - -case 0xCA: // float 32 -{ -float number{}; -return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); -} - -case 0xCB: // float 64 -{ -double number{}; -return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); -} - -case 0xCC: // uint 8 -{ -std::uint8_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xCD: // uint 16 -{ -std::uint16_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xCE: // uint 32 -{ -std::uint32_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xCF: // uint 64 -{ -std::uint64_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xD0: // int 8 -{ -std::int8_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xD1: // int 16 -{ -std::int16_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xD2: // int 32 -{ -std::int32_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xD3: // int 64 -{ -std::int64_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xDC: // array 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); -} - -case 0xDD: // array 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); -} - -case 0xDE: // map 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); -} - -case 0xDF: // map 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); -} - -// negative fixint -case 0xE0: -case 0xE1: -case 0xE2: -case 0xE3: -case 0xE4: -case 0xE5: -case 0xE6: -case 0xE7: -case 0xE8: -case 0xE9: -case 0xEA: -case 0xEB: -case 0xEC: -case 0xED: -case 0xEE: -case 0xEF: -case 0xF0: -case 0xF1: -case 0xF2: -case 0xF3: -case 0xF4: -case 0xF5: -case 0xF6: -case 0xF7: -case 0xF8: -case 0xF9: -case 0xFA: -case 0xFB: -case 0xFC: -case 0xFD: -case 0xFE: -case 0xFF: -return sax->number_integer(static_cast(current)); - -default: // anything else -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::msgpack, "invalid byte: 0x" + last_token, "value"))); -} -} -} - -/*! - @brief reads a MessagePack string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - - @param[out] result created string - - @return whether string creation completed - */ -bool get_msgpack_string(string_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::msgpack, "string"))) -{ -return false; -} - -switch (current) -{ -// fixstr -case 0xA0: -case 0xA1: -case 0xA2: -case 0xA3: -case 0xA4: -case 0xA5: -case 0xA6: -case 0xA7: -case 0xA8: -case 0xA9: -case 0xAA: -case 0xAB: -case 0xAC: -case 0xAD: -case 0xAE: -case 0xAF: -case 0xB0: -case 0xB1: -case 0xB2: -case 0xB3: -case 0xB4: -case 0xB5: -case 0xB6: -case 0xB7: -case 0xB8: -case 0xB9: -case 0xBA: -case 0xBB: -case 0xBC: -case 0xBD: -case 0xBE: -case 0xBF: -{ -return get_string(input_format_t::msgpack, static_cast(current) & 0x1Fu, result); -} - -case 0xD9: // str 8 -{ -std::uint8_t len{}; -return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); -} - -case 0xDA: // str 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); -} - -case 0xDB: // str 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string"))); -} -} -} - -/*! - @brief reads a MessagePack byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into a byte array. - - @param[out] result created byte array - - @return whether byte array creation completed - */ -bool get_msgpack_binary(binary_t& result) -{ -// helper function to set the subtype -auto assign_and_return_true = [&result](std::int8_t subtype) -{ -result.set_subtype(static_cast(subtype)); -return true; -}; - -switch (current) -{ -case 0xC4: // bin 8 -{ -std::uint8_t len{}; -return get_number(input_format_t::msgpack, len) && -get_binary(input_format_t::msgpack, len, result); -} - -case 0xC5: // bin 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && -get_binary(input_format_t::msgpack, len, result); -} - -case 0xC6: // bin 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && -get_binary(input_format_t::msgpack, len, result); -} - -case 0xC7: // ext 8 -{ -std::uint8_t len{}; -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, len) && -get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, len, result) && -assign_and_return_true(subtype); -} - -case 0xC8: // ext 16 -{ -std::uint16_t len{}; -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, len) && -get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, len, result) && -assign_and_return_true(subtype); -} - -case 0xC9: // ext 32 -{ -std::uint32_t len{}; -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, len) && -get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, len, result) && -assign_and_return_true(subtype); -} - -case 0xD4: // fixext 1 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 1, result) && -assign_and_return_true(subtype); -} - -case 0xD5: // fixext 2 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 2, result) && -assign_and_return_true(subtype); -} - -case 0xD6: // fixext 4 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 4, result) && -assign_and_return_true(subtype); -} - -case 0xD7: // fixext 8 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 8, result) && -assign_and_return_true(subtype); -} - -case 0xD8: // fixext 16 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 16, result) && -assign_and_return_true(subtype); -} - -default: // LCOV_EXCL_LINE -return false; // LCOV_EXCL_LINE -} -} - -/*! - @param[in] len the length of the array - @return whether array creation completed - */ -bool get_msgpack_array(const std::size_t len) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) -{ -return false; -} - -for (std::size_t i = 0; i < len; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) -{ -return false; -} -} - -return sax->end_array(); -} - -/*! - @param[in] len the length of the object - @return whether object creation completed - */ -bool get_msgpack_object(const std::size_t len) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) -{ -return false; -} - -string_t key; -for (std::size_t i = 0; i < len; ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!get_msgpack_string(key) || !sax->key(key))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) -{ -return false; -} -key.clear(); -} - -return sax->end_object(); -} - -//////////// -// UBJSON // -//////////// - -/*! - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether a valid UBJSON value was passed to the SAX parser - */ -bool parse_ubjson_internal(const bool get_char = true) -{ -return get_ubjson_value(get_char ? get_ignore_noop() : current); -} - -/*! - @brief reads a UBJSON string - - This function is either called after reading the 'S' byte explicitly - indicating a string, or in case of an object key where the 'S' byte can be - left out. - - @param[out] result created string - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether string creation completed - */ -bool get_ubjson_string(string_t& result, const bool get_char = true) -{ -if (get_char) -{ -get(); // TODO(niels): may we ignore N here? -} - -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) -{ -return false; -} - -switch (current) -{ -case 'U': -{ -std::uint8_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'i': -{ -std::int8_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'I': -{ -std::int16_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'l': -{ -std::int32_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'L': -{ -std::int64_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -default: -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token, "string"))); -} -} - -/*! - @param[out] result determined size - @return whether size determination completed - */ -bool get_ubjson_size_value(std::size_t& result) -{ -switch (get_ignore_noop()) -{ -case 'U': -{ -std::uint8_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'i': -{ -std::int8_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'I': -{ -std::int16_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'l': -{ -std::int32_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'L': -{ -std::int64_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token, "size"))); -} -} -} - -/*! - @brief determine the type and size for a container - - In the optimized UBJSON format, a type and a size can be provided to allow - for a more compact representation. - - @param[out] result pair of the size and the type - - @return whether pair creation completed - */ -bool get_ubjson_size_type(std::pair& result) -{ -result.first = string_t::npos; // size -result.second = 0; // type - -get_ignore_noop(); - -if (current == '$') -{ -result.second = get(); // must not ignore 'N', because 'N' maybe the type -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "type"))) -{ -return false; -} - -get_ignore_noop(); -if (JSON_HEDLEY_UNLIKELY(current != '#')) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) -{ -return false; -} -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "expected '#' after type information; last byte: 0x" + last_token, "size"))); -} - -return get_ubjson_size_value(result.first); -} - -if (current == '#') -{ -return get_ubjson_size_value(result.first); -} - -return true; -} - -/*! - @param prefix the previously read or set type prefix - @return whether value creation completed - */ -bool get_ubjson_value(const char_int_type prefix) -{ -switch (prefix) -{ -case std::char_traits::eof(): // EOF -return unexpect_eof(input_format_t::ubjson, "value"); - -case 'T': // true -return sax->boolean(true); -case 'F': // false -return sax->boolean(false); - -case 'Z': // null -return sax->null(); - -case 'U': -{ -std::uint8_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_unsigned(number); -} - -case 'i': -{ -std::int8_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'I': -{ -std::int16_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'l': -{ -std::int32_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'L': -{ -std::int64_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'd': -{ -float number{}; -return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); -} - -case 'D': -{ -double number{}; -return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); -} - -case 'H': -{ -return get_ubjson_high_precision_number(); -} - -case 'C': // char -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "char"))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(current > 127)) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "byte after 'C' must be in range 0x00..0x7F; last byte: 0x" + last_token, "char"))); -} -string_t s(1, static_cast(current)); -return sax->string(s); -} - -case 'S': // string -{ -string_t s; -return get_ubjson_string(s) && sax->string(s); -} - -case '[': // array -return get_ubjson_array(); - -case '{': // object -return get_ubjson_object(); - -default: // anything else -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "invalid byte: 0x" + last_token, "value"))); -} -} -} - -/*! - @return whether array creation completed - */ -bool get_ubjson_array() -{ -std::pair size_and_type; -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) -{ -return false; -} - -if (size_and_type.first != string_t::npos) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(size_and_type.first))) -{ -return false; -} - -if (size_and_type.second != 0) -{ -if (size_and_type.second != 'N') -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) -{ -return false; -} -} -} -} -else -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) -{ -return false; -} -} -} -} -else -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) -{ -return false; -} - -while (current != ']') -{ -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal(false))) -{ -return false; -} -get_ignore_noop(); -} -} - -return sax->end_array(); -} - -/*! - @return whether object creation completed - */ -bool get_ubjson_object() -{ -std::pair size_and_type; -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) -{ -return false; -} - -string_t key; -if (size_and_type.first != string_t::npos) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(size_and_type.first))) -{ -return false; -} - -if (size_and_type.second != 0) -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) -{ -return false; -} -key.clear(); -} -} -else -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) -{ -return false; -} -key.clear(); -} -} -} -else -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) -{ -return false; -} - -while (current != '}') -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key, false) || !sax->key(key))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) -{ -return false; -} -get_ignore_noop(); -key.clear(); -} -} - -return sax->end_object(); -} - -// Note, no reader for UBJSON binary types is implemented because they do -// not exist - -bool get_ubjson_high_precision_number() -{ -// get size of following number string -std::size_t size{}; -auto res = get_ubjson_size_value(size); -if (JSON_HEDLEY_UNLIKELY(!res)) -{ -return res; -} - -// get number string -std::vector number_vector; -for (std::size_t i = 0; i < size; ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number"))) -{ -return false; -} -number_vector.push_back(static_cast(current)); -} - -// parse number string -auto number_ia = detail::input_adapter(std::forward(number_vector)); -auto number_lexer = detail::lexer(std::move(number_ia), false); -const auto result_number = number_lexer.scan(); -const auto number_string = number_lexer.get_token_string(); -const auto result_remainder = number_lexer.scan(); - -using token_type = typename detail::lexer_base::token_type; - -if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input)) -{ -return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); -} - -switch (result_number) -{ -case token_type::value_integer: -return sax->number_integer(number_lexer.get_number_integer()); -case token_type::value_unsigned: -return sax->number_unsigned(number_lexer.get_number_unsigned()); -case token_type::value_float: -return sax->number_float(number_lexer.get_number_float(), std::move(number_string)); -default: -return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); -} -} - -/////////////////////// -// Utility functions // -/////////////////////// - -/*! - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a -'ve valued - `std::char_traits::eof()` in that case. - - @return character read from the input - */ -char_int_type get() -{ -++chars_read; -return current = ia.get_character(); -} - -/*! - @return character read from the input after ignoring all 'N' entries - */ -char_int_type get_ignore_noop() -{ -do -{ -get(); -} -while (current == 'N'); - -return current; -} - -/* - @brief read a number from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[out] result number of type @a NumberType - - @return whether conversion completed - - @note This function needs to respect the system's endianess, because - bytes in CBOR, MessagePack, and UBJSON are stored in network order - (big endian) and therefore need reordering on little endian systems. - */ -template -bool get_number(const input_format_t format, NumberType& result) -{ -// step 1: read input into array with system's byte order -std::array vec; -for (std::size_t i = 0; i < sizeof(NumberType); ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "number"))) -{ -return false; -} - -// reverse byte order prior to conversion if necessary -if (is_little_endian != InputIsLittleEndian) -{ -vec[sizeof(NumberType) - i - 1] = static_cast(current); -} -else -{ -vec[i] = static_cast(current); // LCOV_EXCL_LINE -} -} - -// step 2: convert array into number of type T and return -std::memcpy(&result, vec.data(), sizeof(NumberType)); -return true; -} - -/*! - @brief create a string by reading characters from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of characters to read - @param[out] result string created by reading @a len bytes - - @return whether string creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of string memory. - */ -template -bool get_string(const input_format_t format, -const NumberType len, -string_t& result) -{ -bool success = true; -for (NumberType i = 0; i < len; i++) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "string"))) -{ -success = false; -break; -} -result.push_back(static_cast(current)); -}; -return success; -} - -/*! - @brief create a byte array by reading bytes from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of bytes to read - @param[out] result byte array created by reading @a len bytes - - @return whether byte array creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of memory. - */ -template -bool get_binary(const input_format_t format, -const NumberType len, -binary_t& result) -{ -bool success = true; -for (NumberType i = 0; i < len; i++) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "binary"))) -{ -success = false; -break; -} -result.push_back(static_cast(current)); -} -return success; -} - -/*! - @param[in] format the current format (for diagnostics) - @param[in] context further context information (for diagnostics) - @return whether the last read character is not EOF - */ -JSON_HEDLEY_NON_NULL(3) -bool unexpect_eof(const input_format_t format, const char* context) const -{ -if (JSON_HEDLEY_UNLIKELY(current == std::char_traits::eof())) -{ -return sax->parse_error(chars_read, "", -parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context))); -} -return true; -} - -/*! - @return a string representation of the last read byte - */ -std::string get_token_string() const -{ -std::array cr{{}}; -(std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(current)); -return std::string{cr.data()}; -} - -/*! - @param[in] format the current format - @param[in] detail a detailed error message - @param[in] context further context information - @return a message string to use in the parse_error exceptions - */ -std::string exception_message(const input_format_t format, -const std::string& detail, -const std::string& context) const -{ -std::string error_msg = "syntax error while parsing "; - -switch (format) -{ -case input_format_t::cbor: -error_msg += "CBOR"; -break; - -case input_format_t::msgpack: -error_msg += "MessagePack"; -break; - -case input_format_t::ubjson: -error_msg += "UBJSON"; -break; - -case input_format_t::bson: -error_msg += "BSON"; -break; - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} - -return error_msg + " " + context + ": " + detail; -} - -private: -/// input adapter -InputAdapterType ia; - -/// the current character -char_int_type current = std::char_traits::eof(); - -/// the number of characters read -std::size_t chars_read = 0; - -/// whether we can assume little endianess -const bool is_little_endian = little_endianess(); - -/// the SAX parser -json_sax_t* sax = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // isfinite -#include // uint8_t -#include // function -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -//////////// -// parser // -//////////// - -enum class parse_event_t : uint8_t -{ -/// the parser read `{` and started to process a JSON object -object_start, -/// the parser read `}` and finished processing a JSON object -object_end, -/// the parser read `[` and started to process a JSON array -array_start, -/// the parser read `]` and finished processing a JSON array -array_end, -/// the parser read a key of a value in an object -key, -/// the parser finished reading a JSON value -value -}; - -template -using parser_callback_t = -std::function; - -/*! -@brief syntax analysis - -This class implements a recursive descent parser. -*/ -template -class parser -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using lexer_t = lexer; -using token_type = typename lexer_t::token_type; - -public: -/// a parser reading from an input adapter -explicit parser(InputAdapterType&& adapter, -const parser_callback_t cb = nullptr, -const bool allow_exceptions_ = true, -const bool skip_comments = false) -: callback(cb) -, m_lexer(std::move(adapter), skip_comments) -, allow_exceptions(allow_exceptions_) -{ -// read first token -get_token(); -} - -/*! - @brief public parser interface - - @param[in] strict whether to expect the last token to be EOF - @param[in,out] result parsed JSON value - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ -void parse(const bool strict, BasicJsonType& result) -{ -if (callback) -{ -json_sax_dom_callback_parser sdp(result, callback, allow_exceptions); -sax_parse_internal(&sdp); -result.assert_invariant(); - -// in strict mode, input must be completely read -if (strict && (get_token() != token_type::end_of_input)) -{ -sdp.parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_of_input, "value"))); -} - -// in case of an error, return discarded value -if (sdp.is_errored()) -{ -result = value_t::discarded; -return; -} - -// set top-level value to null if it was discarded by the callback -// function -if (result.is_discarded()) -{ -result = nullptr; -} -} -else -{ -json_sax_dom_parser sdp(result, allow_exceptions); -sax_parse_internal(&sdp); -result.assert_invariant(); - -// in strict mode, input must be completely read -if (strict && (get_token() != token_type::end_of_input)) -{ -sdp.parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_of_input, "value"))); -} - -// in case of an error, return discarded value -if (sdp.is_errored()) -{ -result = value_t::discarded; -return; -} -} -} - -/*! - @brief public accept interface - - @param[in] strict whether to expect the last token to be EOF - @return whether the input is a proper JSON text - */ -bool accept(const bool strict = true) -{ -json_sax_acceptor sax_acceptor; -return sax_parse(&sax_acceptor, strict); -} - -template -JSON_HEDLEY_NON_NULL(2) -bool sax_parse(SAX* sax, const bool strict = true) -{ -(void)detail::is_sax_static_asserts {}; -const bool result = sax_parse_internal(sax); - -// strict mode: next byte must be EOF -if (result && strict && (get_token() != token_type::end_of_input)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_of_input, "value"))); -} - -return result; -} - -private: -template -JSON_HEDLEY_NON_NULL(2) -bool sax_parse_internal(SAX* sax) -{ -// stack to remember the hierarchy of structured values we are parsing -// true = array; false = object -std::vector states; -// value to avoid a goto (see comment where set to true) -bool skip_to_state_evaluation = false; - -while (true) -{ -if (!skip_to_state_evaluation) -{ -// invariant: get_token() was called before each iteration -switch (last_token) -{ -case token_type::begin_object: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) -{ -return false; -} - -// closing } -> we are done -if (get_token() == token_type::end_object) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) -{ -return false; -} -break; -} - -// parse key -if (JSON_HEDLEY_UNLIKELY(last_token != token_type::value_string)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::value_string, "object key"))); -} -if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) -{ -return false; -} - -// parse separator (:) -if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::name_separator, "object separator"))); -} - -// remember we are now inside an object -states.push_back(false); - -// parse values -get_token(); -continue; -} - -case token_type::begin_array: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) -{ -return false; -} - -// closing ] -> we are done -if (get_token() == token_type::end_array) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) -{ -return false; -} -break; -} - -// remember we are now inside an array -states.push_back(true); - -// parse values (no need to call get_token) -continue; -} - -case token_type::value_float: -{ -const auto res = m_lexer.get_number_float(); - -if (JSON_HEDLEY_UNLIKELY(!std::isfinite(res))) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -out_of_range::create(406, "number overflow parsing '" + m_lexer.get_token_string() + "'")); -} - -if (JSON_HEDLEY_UNLIKELY(!sax->number_float(res, m_lexer.get_string()))) -{ -return false; -} - -break; -} - -case token_type::literal_false: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->boolean(false))) -{ -return false; -} -break; -} - -case token_type::literal_null: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->null())) -{ -return false; -} -break; -} - -case token_type::literal_true: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->boolean(true))) -{ -return false; -} -break; -} - -case token_type::value_integer: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->number_integer(m_lexer.get_number_integer()))) -{ -return false; -} -break; -} - -case token_type::value_string: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->string(m_lexer.get_string()))) -{ -return false; -} -break; -} - -case token_type::value_unsigned: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->number_unsigned(m_lexer.get_number_unsigned()))) -{ -return false; -} -break; -} - -case token_type::parse_error: -{ -// using "uninitialized" to avoid "expected" message -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::uninitialized, "value"))); -} - -default: // the last token was unexpected -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::literal_or_value, "value"))); -} -} -} -else -{ -skip_to_state_evaluation = false; -} - -// we reached this line after we successfully parsed a value -if (states.empty()) -{ -// empty stack: we reached the end of the hierarchy: done -return true; -} - -if (states.back()) // array -{ -// comma -> next value -if (get_token() == token_type::value_separator) -{ -// parse a new value -get_token(); -continue; -} - -// closing ] -if (JSON_HEDLEY_LIKELY(last_token == token_type::end_array)) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) -{ -return false; -} - -// We are done with this array. Before we can parse a -// new value, we need to evaluate the new state first. -// By setting skip_to_state_evaluation to false, we -// are effectively jumping to the beginning of this if. -JSON_ASSERT(!states.empty()); -states.pop_back(); -skip_to_state_evaluation = true; -continue; -} - -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_array, "array"))); -} -else // object -{ -// comma -> next value -if (get_token() == token_type::value_separator) -{ -// parse key -if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::value_string)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::value_string, "object key"))); -} - -if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) -{ -return false; -} - -// parse separator (:) -if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::name_separator, "object separator"))); -} - -// parse values -get_token(); -continue; -} - -// closing } -if (JSON_HEDLEY_LIKELY(last_token == token_type::end_object)) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) -{ -return false; -} - -// We are done with this object. Before we can parse a -// new value, we need to evaluate the new state first. -// By setting skip_to_state_evaluation to false, we -// are effectively jumping to the beginning of this if. -JSON_ASSERT(!states.empty()); -states.pop_back(); -skip_to_state_evaluation = true; -continue; -} - -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_object, "object"))); -} -} -} - -/// get next token from lexer -token_type get_token() -{ -return last_token = m_lexer.scan(); -} - -std::string exception_message(const token_type expected, const std::string& context) -{ -std::string error_msg = "syntax error "; - -if (!context.empty()) -{ -error_msg += "while parsing " + context + " "; -} - -error_msg += "- "; - -if (last_token == token_type::parse_error) -{ -error_msg += std::string(m_lexer.get_error_message()) + "; last read: '" + -m_lexer.get_token_string() + "'"; -} -else -{ -error_msg += "unexpected " + std::string(lexer_t::token_type_name(last_token)); -} - -if (expected != token_type::uninitialized) -{ -error_msg += "; expected " + std::string(lexer_t::token_type_name(expected)); -} - -return error_msg; -} - -private: -/// callback function -const parser_callback_t callback = nullptr; -/// the type of the last read token -token_type last_token = token_type::uninitialized; -/// the lexer -lexer_t m_lexer; -/// whether to throw exceptions in case of errors -const bool allow_exceptions = true; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -// #include - - -#include // ptrdiff_t -#include // numeric_limits - -namespace nlohmann -{ -namespace detail -{ -/* -@brief an iterator for primitive JSON types - -This class models an iterator for primitive JSON types (boolean, number, -string). It's only purpose is to allow the iterator/const_iterator classes -to "iterate" over primitive values. Internally, the iterator is modeled by -a `difference_type` variable. Value begin_value (`0`) models the begin, -end_value (`1`) models past the end. -*/ -class primitive_iterator_t -{ -private: -using difference_type = std::ptrdiff_t; -static constexpr difference_type begin_value = 0; -static constexpr difference_type end_value = begin_value + 1; - -JSON_PRIVATE_UNLESS_TESTED: -/// iterator as signed integer type -difference_type m_it = (std::numeric_limits::min)(); - -public: -constexpr difference_type get_value() const noexcept -{ -return m_it; -} - -/// set iterator to a defined beginning -void set_begin() noexcept -{ -m_it = begin_value; -} - -/// set iterator to a defined past the end -void set_end() noexcept -{ -m_it = end_value; -} - -/// return whether the iterator can be dereferenced -constexpr bool is_begin() const noexcept -{ -return m_it == begin_value; -} - -/// return whether the iterator is at end -constexpr bool is_end() const noexcept -{ -return m_it == end_value; -} - -friend constexpr bool operator==(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept -{ -return lhs.m_it == rhs.m_it; -} - -friend constexpr bool operator<(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept -{ -return lhs.m_it < rhs.m_it; -} - -primitive_iterator_t operator+(difference_type n) noexcept -{ -auto result = *this; -result += n; -return result; -} - -friend constexpr difference_type operator-(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept -{ -return lhs.m_it - rhs.m_it; -} - -primitive_iterator_t& operator++() noexcept -{ -++m_it; -return *this; -} - -primitive_iterator_t const operator++(int) noexcept -{ -auto result = *this; -++m_it; -return result; -} - -primitive_iterator_t& operator--() noexcept -{ ---m_it; -return *this; -} - -primitive_iterator_t const operator--(int) noexcept -{ -auto result = *this; ---m_it; -return result; -} - -primitive_iterator_t& operator+=(difference_type n) noexcept -{ -m_it += n; -return *this; -} - -primitive_iterator_t& operator-=(difference_type n) noexcept -{ -m_it -= n; -return *this; -} -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/*! -@brief an iterator value - -@note This structure could easily be a union, but MSVC currently does not allow -unions members with complex constructors, see https://github.com/nlohmann/json/pull/105. -*/ -template struct internal_iterator -{ -/// iterator for JSON objects -typename BasicJsonType::object_t::iterator object_iterator {}; -/// iterator for JSON arrays -typename BasicJsonType::array_t::iterator array_iterator {}; -/// generic iterator for all other types -primitive_iterator_t primitive_iterator {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // iterator, random_access_iterator_tag, bidirectional_iterator_tag, advance, next -#include // conditional, is_const, remove_const - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -// forward declare, to be able to friend it later on -template class iteration_proxy; -template class iteration_proxy_value; - -/*! -@brief a template for a bidirectional iterator for the @ref basic_json class -This class implements a both iterators (iterator and const_iterator) for the -@ref basic_json class. -@note An iterator is called *initialized* when a pointer to a JSON value has - been set (e.g., by a constructor or a copy assignment). If the iterator is - default-constructed, it is *uninitialized* and most methods are undefined. - **The library uses assertions to detect calls on uninitialized iterators.** -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -@since version 1.0.0, simplified in version 2.0.9, change to bidirectional - iterators in version 3.0.0 (see https://github.com/nlohmann/json/issues/593) -*/ -template -class iter_impl -{ -/// allow basic_json to access private members -friend iter_impl::value, typename std::remove_const::type, const BasicJsonType>::type>; -friend BasicJsonType; -friend iteration_proxy; -friend iteration_proxy_value; - -using object_t = typename BasicJsonType::object_t; -using array_t = typename BasicJsonType::array_t; -// make sure BasicJsonType is basic_json or const basic_json -static_assert(is_basic_json::type>::value, -"iter_impl only accepts (const) basic_json"); - -public: - -/// The std::iterator class template (used as a base class to provide typedefs) is deprecated in C++17. -/// The C++ Standard has never required user-defined iterators to derive from std::iterator. -/// A user-defined iterator should provide publicly accessible typedefs named -/// iterator_category, value_type, difference_type, pointer, and reference. -/// Note that value_type is required to be non-const, even for constant iterators. -using iterator_category = std::bidirectional_iterator_tag; - -/// the type of the values when the iterator is dereferenced -using value_type = typename BasicJsonType::value_type; -/// a type to represent differences between iterators -using difference_type = typename BasicJsonType::difference_type; -/// defines a pointer to the type iterated over (value_type) -using pointer = typename std::conditional::value, -typename BasicJsonType::const_pointer, -typename BasicJsonType::pointer>::type; -/// defines a reference to the type iterated over (value_type) -using reference = -typename std::conditional::value, -typename BasicJsonType::const_reference, -typename BasicJsonType::reference>::type; - -/// default constructor -iter_impl() = default; - -/*! - @brief constructor for a given JSON instance - @param[in] object pointer to a JSON object for this iterator - @pre object != nullptr - @post The iterator is initialized; i.e. `m_object != nullptr`. - */ -explicit iter_impl(pointer object) noexcept : m_object(object) -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -m_it.object_iterator = typename object_t::iterator(); -break; -} - -case value_t::array: -{ -m_it.array_iterator = typename array_t::iterator(); -break; -} - -default: -{ -m_it.primitive_iterator = primitive_iterator_t(); -break; -} -} -} - -/*! - @note The conventional copy constructor and copy assignment are implicitly - defined. Combined with the following converting constructor and - assignment, they support: (1) copy from iterator to iterator, (2) - copy from const iterator to const iterator, and (3) conversion from - iterator to const iterator. However conversion from const iterator - to iterator is not defined. - */ - -/*! - @brief const copy constructor - @param[in] other const iterator to copy from - @note This copy constructor had to be defined explicitly to circumvent a bug - occurring on msvc v19.0 compiler (VS 2015) debug build. For more - information refer to: https://github.com/nlohmann/json/issues/1608 - */ -iter_impl(const iter_impl& other) noexcept -: m_object(other.m_object), m_it(other.m_it) -{} - -/*! - @brief converting assignment - @param[in] other const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ -iter_impl& operator=(const iter_impl& other) noexcept -{ -m_object = other.m_object; -m_it = other.m_it; -return *this; -} - -/*! - @brief converting constructor - @param[in] other non-const iterator to copy from - @note It is not checked whether @a other is initialized. - */ -iter_impl(const iter_impl::type>& other) noexcept -: m_object(other.m_object), m_it(other.m_it) -{} - -/*! - @brief converting assignment - @param[in] other non-const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ -iter_impl& operator=(const iter_impl::type>& other) noexcept -{ -m_object = other.m_object; -m_it = other.m_it; -return *this; -} - -JSON_PRIVATE_UNLESS_TESTED: -/*! - @brief set the iterator to the first value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -void set_begin() noexcept -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -m_it.object_iterator = m_object->m_value.object->begin(); -break; -} - -case value_t::array: -{ -m_it.array_iterator = m_object->m_value.array->begin(); -break; -} - -case value_t::null: -{ -// set to end so begin()==end() is true: null is empty -m_it.primitive_iterator.set_end(); -break; -} - -default: -{ -m_it.primitive_iterator.set_begin(); -break; -} -} -} - -/*! - @brief set the iterator past the last value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -void set_end() noexcept -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -m_it.object_iterator = m_object->m_value.object->end(); -break; -} - -case value_t::array: -{ -m_it.array_iterator = m_object->m_value.array->end(); -break; -} - -default: -{ -m_it.primitive_iterator.set_end(); -break; -} -} -} - -public: -/*! - @brief return a reference to the value pointed to by the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -reference operator*() const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); -return m_it.object_iterator->second; -} - -case value_t::array: -{ -JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); -return *m_it.array_iterator; -} - -case value_t::null: -JSON_THROW(invalid_iterator::create(214, "cannot get value")); - -default: -{ -if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) -{ -return *m_object; -} - -JSON_THROW(invalid_iterator::create(214, "cannot get value")); -} -} -} - -/*! - @brief dereference the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -pointer operator->() const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); -return &(m_it.object_iterator->second); -} - -case value_t::array: -{ -JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); -return &*m_it.array_iterator; -} - -default: -{ -if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) -{ -return m_object; -} - -JSON_THROW(invalid_iterator::create(214, "cannot get value")); -} -} -} - -/*! - @brief post-increment (it++) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl const operator++(int) -{ -auto result = *this; -++(*this); -return result; -} - -/*! - @brief pre-increment (++it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator++() -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -std::advance(m_it.object_iterator, 1); -break; -} - -case value_t::array: -{ -std::advance(m_it.array_iterator, 1); -break; -} - -default: -{ -++m_it.primitive_iterator; -break; -} -} - -return *this; -} - -/*! - @brief post-decrement (it--) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl const operator--(int) -{ -auto result = *this; ---(*this); -return result; -} - -/*! - @brief pre-decrement (--it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator--() -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -std::advance(m_it.object_iterator, -1); -break; -} - -case value_t::array: -{ -std::advance(m_it.array_iterator, -1); -break; -} - -default: -{ ---m_it.primitive_iterator; -break; -} -} - -return *this; -} - -/*! - @brief comparison: equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator==(const iter_impl& other) const -{ -// if objects are not the same, the comparison is undefined -if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) -{ -JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); -} - -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -return (m_it.object_iterator == other.m_it.object_iterator); - -case value_t::array: -return (m_it.array_iterator == other.m_it.array_iterator); - -default: -return (m_it.primitive_iterator == other.m_it.primitive_iterator); -} -} - -/*! - @brief comparison: not equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator!=(const iter_impl& other) const -{ -return !operator==(other); -} - -/*! - @brief comparison: smaller - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator<(const iter_impl& other) const -{ -// if objects are not the same, the comparison is undefined -if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) -{ -JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); -} - -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators")); - -case value_t::array: -return (m_it.array_iterator < other.m_it.array_iterator); - -default: -return (m_it.primitive_iterator < other.m_it.primitive_iterator); -} -} - -/*! - @brief comparison: less than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator<=(const iter_impl& other) const -{ -return !other.operator < (*this); -} - -/*! - @brief comparison: greater than - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator>(const iter_impl& other) const -{ -return !operator<=(other); -} - -/*! - @brief comparison: greater than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator>=(const iter_impl& other) const -{ -return !operator<(other); -} - -/*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator+=(difference_type i) -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - -case value_t::array: -{ -std::advance(m_it.array_iterator, i); -break; -} - -default: -{ -m_it.primitive_iterator += i; -break; -} -} - -return *this; -} - -/*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator-=(difference_type i) -{ -return operator+=(-i); -} - -/*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl operator+(difference_type i) const -{ -auto result = *this; -result += i; -return result; -} - -/*! - @brief addition of distance and iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -friend iter_impl operator+(difference_type i, const iter_impl& it) -{ -auto result = it; -result += i; -return result; -} - -/*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl operator-(difference_type i) const -{ -auto result = *this; -result -= i; -return result; -} - -/*! - @brief return difference - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -difference_type operator-(const iter_impl& other) const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - -case value_t::array: -return m_it.array_iterator - other.m_it.array_iterator; - -default: -return m_it.primitive_iterator - other.m_it.primitive_iterator; -} -} - -/*! - @brief access to successor - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -reference operator[](difference_type n) const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators")); - -case value_t::array: -return *std::next(m_it.array_iterator, n); - -case value_t::null: -JSON_THROW(invalid_iterator::create(214, "cannot get value")); - -default: -{ -if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.get_value() == -n)) -{ -return *m_object; -} - -JSON_THROW(invalid_iterator::create(214, "cannot get value")); -} -} -} - -/*! - @brief return the key of an object iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -const typename object_t::key_type& key() const -{ -JSON_ASSERT(m_object != nullptr); - -if (JSON_HEDLEY_LIKELY(m_object->is_object())) -{ -return m_it.object_iterator->first; -} - -JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators")); -} - -/*! - @brief return the value of an iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -reference value() const -{ -return operator*(); -} - -JSON_PRIVATE_UNLESS_TESTED: -/// associated JSON instance -pointer m_object = nullptr; -/// the actual iterator of the associated instance -internal_iterator::type> m_it {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // ptrdiff_t -#include // reverse_iterator -#include // declval - -namespace nlohmann -{ -namespace detail -{ -////////////////////// -// reverse_iterator // -////////////////////// - -/*! -@brief a template for a reverse iterator class - -@tparam Base the base iterator type to reverse. Valid types are @ref -iterator (to create @ref reverse_iterator) and @ref const_iterator (to -create @ref const_reverse_iterator). - -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -- [OutputIterator](https://en.cppreference.com/w/cpp/named_req/OutputIterator): - It is possible to write to the pointed-to element (only if @a Base is - @ref iterator). - -@since version 1.0.0 -*/ -template -class json_reverse_iterator : public std::reverse_iterator -{ -public: -using difference_type = std::ptrdiff_t; -/// shortcut to the reverse iterator adapter -using base_iterator = std::reverse_iterator; -/// the reference type for the pointed-to element -using reference = typename Base::reference; - -/// create reverse iterator from iterator -explicit json_reverse_iterator(const typename base_iterator::iterator_type& it) noexcept -: base_iterator(it) {} - -/// create reverse iterator from base class -explicit json_reverse_iterator(const base_iterator& it) noexcept : base_iterator(it) {} - -/// post-increment (it++) -json_reverse_iterator const operator++(int) -{ -return static_cast(base_iterator::operator++(1)); -} - -/// pre-increment (++it) -json_reverse_iterator& operator++() -{ -return static_cast(base_iterator::operator++()); -} - -/// post-decrement (it--) -json_reverse_iterator const operator--(int) -{ -return static_cast(base_iterator::operator--(1)); -} - -/// pre-decrement (--it) -json_reverse_iterator& operator--() -{ -return static_cast(base_iterator::operator--()); -} - -/// add to iterator -json_reverse_iterator& operator+=(difference_type i) -{ -return static_cast(base_iterator::operator+=(i)); -} - -/// add to iterator -json_reverse_iterator operator+(difference_type i) const -{ -return static_cast(base_iterator::operator+(i)); -} - -/// subtract from iterator -json_reverse_iterator operator-(difference_type i) const -{ -return static_cast(base_iterator::operator-(i)); -} - -/// return difference -difference_type operator-(const json_reverse_iterator& other) const -{ -return base_iterator(*this) - base_iterator(other); -} - -/// access to successor -reference operator[](difference_type n) const -{ -return *(this->operator+(n)); -} - -/// return the key of an object iterator -auto key() const -> decltype(std::declval().key()) -{ -auto it = --this->base(); -return it.key(); -} - -/// return the value of an iterator -reference value() const -{ -auto it = --this->base(); -return it.operator * (); -} -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // all_of -#include // isdigit -#include // max -#include // accumulate -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -template -class json_pointer -{ -// allow basic_json to access private members -NLOHMANN_BASIC_JSON_TPL_DECLARATION -friend class basic_json; - -public: -/*! - @brief create JSON pointer - - Create a JSON pointer according to the syntax described in - [Section 3 of RFC6901](https://tools.ietf.org/html/rfc6901#section-3). - - @param[in] s string representing the JSON pointer; if omitted, the empty - string is assumed which references the whole JSON value - - @throw parse_error.107 if the given JSON pointer @a s is nonempty and does - not begin with a slash (`/`); see example below - - @throw parse_error.108 if a tilde (`~`) in the given JSON pointer @a s is - not followed by `0` (representing `~`) or `1` (representing `/`); see - example below - - @liveexample{The example shows the construction several valid JSON pointers - as well as the exceptional behavior.,json_pointer} - - @since version 2.0.0 - */ -explicit json_pointer(const std::string& s = "") -: reference_tokens(split(s)) -{} - -/*! - @brief return a string representation of the JSON pointer - - @invariant For each JSON pointer `ptr`, it holds: - @code {.cpp} - ptr == json_pointer(ptr.to_string()); - @endcode - - @return a string representation of the JSON pointer - - @liveexample{The example shows the result of `to_string`.,json_pointer__to_string} - - @since version 2.0.0 - */ -std::string to_string() const -{ -return std::accumulate(reference_tokens.begin(), reference_tokens.end(), -std::string{}, -[](const std::string & a, const std::string & b) -{ -return a + "/" + escape(b); -}); -} - -/// @copydoc to_string() -operator std::string() const -{ -return to_string(); -} - -/*! - @brief append another JSON pointer at the end of this JSON pointer - - @param[in] ptr JSON pointer to append - @return JSON pointer with @a ptr appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, const json_pointer&) for a binary operator - - @since version 3.6.0 - */ -json_pointer& operator/=(const json_pointer& ptr) -{ -reference_tokens.insert(reference_tokens.end(), -ptr.reference_tokens.begin(), -ptr.reference_tokens.end()); -return *this; -} - -/*! - @brief append an unescaped reference token at the end of this JSON pointer - - @param[in] token reference token to append - @return JSON pointer with @a token appended without escaping @a token - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, std::size_t) for a binary operator - - @since version 3.6.0 - */ -json_pointer& operator/=(std::string token) -{ -push_back(std::move(token)); -return *this; -} - -/*! - @brief append an array index at the end of this JSON pointer - - @param[in] array_idx array index to append - @return JSON pointer with @a array_idx appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/(const json_pointer&, std::string) for a binary operator - - @since version 3.6.0 - */ -json_pointer& operator/=(std::size_t array_idx) -{ -return *this /= std::to_string(array_idx); -} - -/*! - @brief create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer - - @param[in] lhs JSON pointer - @param[in] rhs JSON pointer - @return a new JSON pointer with @a rhs appended to @a lhs - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a lhs and @a rhs. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - - @since version 3.6.0 - */ -friend json_pointer operator/(const json_pointer& lhs, -const json_pointer& rhs) -{ -return json_pointer(lhs) /= rhs; -} - -/*! - @brief create a new JSON pointer by appending the unescaped token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] token reference token - @return a new JSON pointer with unescaped @a token appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - - @since version 3.6.0 - */ -friend json_pointer operator/(const json_pointer& ptr, std::string token) -{ -return json_pointer(ptr) /= std::move(token); -} - -/*! - @brief create a new JSON pointer by appending the array-index-token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] array_idx array index - @return a new JSON pointer with @a array_idx appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::size_t) to append an array index - - @since version 3.6.0 - */ -friend json_pointer operator/(const json_pointer& ptr, std::size_t array_idx) -{ -return json_pointer(ptr) /= array_idx; -} - -/*! - @brief returns the parent of this JSON pointer - - @return parent of this JSON pointer; in case this JSON pointer is the root, - the root itself is returned - - @complexity Linear in the length of the JSON pointer. - - @liveexample{The example shows the result of `parent_pointer` for different - JSON Pointers.,json_pointer__parent_pointer} - - @since version 3.6.0 - */ -json_pointer parent_pointer() const -{ -if (empty()) -{ -return *this; -} - -json_pointer res = *this; -res.pop_back(); -return res; -} - -/*! - @brief remove last reference token - - @pre not `empty()` - - @liveexample{The example shows the usage of `pop_back`.,json_pointer__pop_back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ -void pop_back() -{ -if (JSON_HEDLEY_UNLIKELY(empty())) -{ -JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); -} - -reference_tokens.pop_back(); -} - -/*! - @brief return last reference token - - @pre not `empty()` - @return last reference token - - @liveexample{The example shows the usage of `back`.,json_pointer__back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ -const std::string& back() const -{ -if (JSON_HEDLEY_UNLIKELY(empty())) -{ -JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); -} - -return reference_tokens.back(); -} - -/*! - @brief append an unescaped token at the end of the reference pointer - - @param[in] token token to add - - @complexity Amortized constant. - - @liveexample{The example shows the result of `push_back` for different - JSON Pointers.,json_pointer__push_back} - - @since version 3.6.0 - */ -void push_back(const std::string& token) -{ -reference_tokens.push_back(token); -} - -/// @copydoc push_back(const std::string&) -void push_back(std::string&& token) -{ -reference_tokens.push_back(std::move(token)); -} - -/*! - @brief return whether pointer points to the root document - - @return true iff the JSON pointer points to the root document - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example shows the result of `empty` for different JSON - Pointers.,json_pointer__empty} - - @since version 3.6.0 - */ -bool empty() const noexcept -{ -return reference_tokens.empty(); -} - -private: -/*! - @param[in] s reference token to be converted into an array index - - @return integer representation of @a s - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index begins not with a digit - @throw out_of_range.404 if string @a s could not be converted to an integer - @throw out_of_range.410 if an array index exceeds size_type - */ -static typename BasicJsonType::size_type array_index(const std::string& s) -{ -using size_type = typename BasicJsonType::size_type; - -// error condition (cf. RFC 6901, Sect. 4) -if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && s[0] == '0')) -{ -JSON_THROW(detail::parse_error::create(106, 0, -"array index '" + s + -"' must not begin with '0'")); -} - -// error condition (cf. RFC 6901, Sect. 4) -if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && !(s[0] >= '1' && s[0] <= '9'))) -{ -JSON_THROW(detail::parse_error::create(109, 0, "array index '" + s + "' is not a number")); -} - -std::size_t processed_chars = 0; -unsigned long long res = 0; -JSON_TRY -{ -res = std::stoull(s, &processed_chars); -} -JSON_CATCH(std::out_of_range&) -{ -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); -} - -// check if the string was completely read -if (JSON_HEDLEY_UNLIKELY(processed_chars != s.size())) -{ -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); -} - -// only triggered on special platforms (like 32bit), see also -// https://github.com/nlohmann/json/pull/2203 -if (res >= static_cast((std::numeric_limits::max)())) -{ -JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type")); // LCOV_EXCL_LINE -} - -return static_cast(res); -} - -JSON_PRIVATE_UNLESS_TESTED: -json_pointer top() const -{ -if (JSON_HEDLEY_UNLIKELY(empty())) -{ -JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); -} - -json_pointer result = *this; -result.reference_tokens = {reference_tokens[0]}; -return result; -} - -private: -/*! - @brief create and return a reference to the pointed to value - - @complexity Linear in the number of reference tokens. - - @throw parse_error.109 if array index is not a number - @throw type_error.313 if value cannot be unflattened - */ -BasicJsonType& get_and_create(BasicJsonType& j) const -{ -auto result = &j; - -// in case no reference tokens exist, return a reference to the JSON value -// j which will be overwritten by a primitive value -for (const auto& reference_token : reference_tokens) -{ -switch (result->type()) -{ -case detail::value_t::null: -{ -if (reference_token == "0") -{ -// start a new array if reference token is 0 -result = &result->operator[](0); -} -else -{ -// start a new object otherwise -result = &result->operator[](reference_token); -} -break; -} - -case detail::value_t::object: -{ -// create an entry in the object -result = &result->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -// create an entry in the array -result = &result->operator[](array_index(reference_token)); -break; -} - -/* - The following code is only reached if there exists a reference - token _and_ the current value is primitive. In this case, we have - an error situation, because primitive values may only occur as - single value; that is, with an empty list of reference tokens. - */ -default: -JSON_THROW(detail::type_error::create(313, "invalid value to unflatten")); -} -} - -return *result; -} - -/*! - @brief return a reference to the pointed to value - - @note This version does not throw if a value is not present, but tries to - create nested values instead. For instance, calling this function - with pointer `"/this/that"` on a null value is equivalent to calling - `operator[]("this").operator[]("that")` on that value, effectively - changing the null value to an object. - - @param[in] ptr a JSON value - - @return reference to the JSON value pointed to by the JSON pointer - - @complexity Linear in the length of the JSON pointer. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -BasicJsonType& get_unchecked(BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -// convert null values to arrays or objects before continuing -if (ptr->is_null()) -{ -// check if reference token is a number -const bool nums = -std::all_of(reference_token.begin(), reference_token.end(), -[](const unsigned char x) -{ -return std::isdigit(x); -}); - -// change value to array for numbers or "-" or to object otherwise -*ptr = (nums || reference_token == "-") -? detail::value_t::array -: detail::value_t::object; -} - -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// use unchecked object access -ptr = &ptr->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -if (reference_token == "-") -{ -// explicitly treat "-" as index beyond the end -ptr = &ptr->operator[](ptr->m_value.array->size()); -} -else -{ -// convert array index to number; unchecked access -ptr = &ptr->operator[](array_index(reference_token)); -} -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -BasicJsonType& get_checked(BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// note: at performs range check -ptr = &ptr->at(reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" always fails the range check -JSON_THROW(detail::out_of_range::create(402, -"array index '-' (" + std::to_string(ptr->m_value.array->size()) + -") is out of range")); -} - -// note: at performs range check -ptr = &ptr->at(array_index(reference_token)); -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @brief return a const reference to the pointed to value - - @param[in] ptr a JSON value - - @return const reference to the JSON value pointed to by the JSON - pointer - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -const BasicJsonType& get_unchecked(const BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// use unchecked object access -ptr = &ptr->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" cannot be used for const access -JSON_THROW(detail::out_of_range::create(402, -"array index '-' (" + std::to_string(ptr->m_value.array->size()) + -") is out of range")); -} - -// use unchecked array access -ptr = &ptr->operator[](array_index(reference_token)); -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -const BasicJsonType& get_checked(const BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// note: at performs range check -ptr = &ptr->at(reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" always fails the range check -JSON_THROW(detail::out_of_range::create(402, -"array index '-' (" + std::to_string(ptr->m_value.array->size()) + -") is out of range")); -} - -// note: at performs range check -ptr = &ptr->at(array_index(reference_token)); -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - */ -bool contains(const BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -if (!ptr->contains(reference_token)) -{ -// we did not find the key in the object -return false; -} - -ptr = &ptr->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" always fails the range check -return false; -} -if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 && !("0" <= reference_token && reference_token <= "9"))) -{ -// invalid char -return false; -} -if (JSON_HEDLEY_UNLIKELY(reference_token.size() > 1)) -{ -if (JSON_HEDLEY_UNLIKELY(!('1' <= reference_token[0] && reference_token[0] <= '9'))) -{ -// first char should be between '1' and '9' -return false; -} -for (std::size_t i = 1; i < reference_token.size(); i++) -{ -if (JSON_HEDLEY_UNLIKELY(!('0' <= reference_token[i] && reference_token[i] <= '9'))) -{ -// other char should be between '0' and '9' -return false; -} -} -} - -const auto idx = array_index(reference_token); -if (idx >= ptr->size()) -{ -// index out of range -return false; -} - -ptr = &ptr->operator[](idx); -break; -} - -default: -{ -// we do not expect primitive values if there is still a -// reference token to process -return false; -} -} -} - -// no reference token left means we found a primitive value -return true; -} - -/*! - @brief split the string input to reference tokens - - @note This function is only called by the json_pointer constructor. - All exceptions below are documented there. - - @throw parse_error.107 if the pointer is not empty or begins with '/' - @throw parse_error.108 if character '~' is not followed by '0' or '1' - */ -static std::vector split(const std::string& reference_string) -{ -std::vector result; - -// special case: empty reference string -> no reference tokens -if (reference_string.empty()) -{ -return result; -} - -// check if nonempty reference string begins with slash -if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/')) -{ -JSON_THROW(detail::parse_error::create(107, 1, -"JSON pointer must be empty or begin with '/' - was: '" + -reference_string + "'")); -} - -// extract the reference tokens: -// - slash: position of the last read slash (or end of string) -// - start: position after the previous slash -for ( -// search for the first slash after the first character -std::size_t slash = reference_string.find_first_of('/', 1), -// set the beginning of the first reference token -start = 1; -// we can stop if start == 0 (if slash == std::string::npos) -start != 0; -// set the beginning of the next reference token -// (will eventually be 0 if slash == std::string::npos) -start = (slash == std::string::npos) ? 0 : slash + 1, -// find next slash -slash = reference_string.find_first_of('/', start)) -{ -// use the text between the beginning of the reference token -// (start) and the last slash (slash). -auto reference_token = reference_string.substr(start, slash - start); - -// check reference tokens are properly escaped -for (std::size_t pos = reference_token.find_first_of('~'); -pos != std::string::npos; -pos = reference_token.find_first_of('~', pos + 1)) -{ -JSON_ASSERT(reference_token[pos] == '~'); - -// ~ must be followed by 0 or 1 -if (JSON_HEDLEY_UNLIKELY(pos == reference_token.size() - 1 || -(reference_token[pos + 1] != '0' && -reference_token[pos + 1] != '1'))) -{ -JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'")); -} -} - -// finally, store the reference token -unescape(reference_token); -result.push_back(reference_token); -} - -return result; -} - -/*! - @brief replace all occurrences of a substring by another string - - @param[in,out] s the string to manipulate; changed so that all - occurrences of @a f are replaced with @a t - @param[in] f the substring to replace with @a t - @param[in] t the string to replace @a f - - @pre The search string @a f must not be empty. **This precondition is - enforced with an assertion.** - - @since version 2.0.0 - */ -static void replace_substring(std::string& s, const std::string& f, -const std::string& t) -{ -JSON_ASSERT(!f.empty()); -for (auto pos = s.find(f); // find first occurrence of f -pos != std::string::npos; // make sure f was found -s.replace(pos, f.size(), t), // replace with t, and -pos = s.find(f, pos + t.size())) // find next occurrence of f -{} -} - -JSON_PRIVATE_UNLESS_TESTED: -/// escape "~" to "~0" and "/" to "~1" -static std::string escape(std::string s) -{ -replace_substring(s, "~", "~0"); -replace_substring(s, "/", "~1"); -return s; -} - -/// unescape "~1" to tilde and "~0" to slash (order is important!) -static void unescape(std::string& s) -{ -replace_substring(s, "~1", "/"); -replace_substring(s, "~0", "~"); -} - -private: -/*! - @param[in] reference_string the reference string to the current value - @param[in] value the value to consider - @param[in,out] result the result object to insert values to - - @note Empty objects or arrays are flattened to `null`. - */ -static void flatten(const std::string& reference_string, -const BasicJsonType& value, -BasicJsonType& result) -{ -switch (value.type()) -{ -case detail::value_t::array: -{ -if (value.m_value.array->empty()) -{ -// flatten empty array as null -result[reference_string] = nullptr; -} -else -{ -// iterate array and use index as reference string -for (std::size_t i = 0; i < value.m_value.array->size(); ++i) -{ -flatten(reference_string + "/" + std::to_string(i), -value.m_value.array->operator[](i), result); -} -} -break; -} - -case detail::value_t::object: -{ -if (value.m_value.object->empty()) -{ -// flatten empty object as null -result[reference_string] = nullptr; -} -else -{ -// iterate object and use keys as reference string -for (const auto& element : *value.m_value.object) -{ -flatten(reference_string + "/" + escape(element.first), element.second, result); -} -} -break; -} - -default: -{ -// add primitive value with its reference string -result[reference_string] = value; -break; -} -} -} - -/*! - @param[in] value flattened JSON - - @return unflattened JSON - - @throw parse_error.109 if array index is not a number - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - @throw type_error.313 if value cannot be unflattened - */ -static BasicJsonType -unflatten(const BasicJsonType& value) -{ -if (JSON_HEDLEY_UNLIKELY(!value.is_object())) -{ -JSON_THROW(detail::type_error::create(314, "only objects can be unflattened")); -} - -BasicJsonType result; - -// iterate the JSON object values -for (const auto& element : *value.m_value.object) -{ -if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive())) -{ -JSON_THROW(detail::type_error::create(315, "values in object must be primitive")); -} - -// assign value to reference pointed to by JSON pointer; Note that if -// the JSON pointer is "" (i.e., points to the whole value), function -// get_and_create returns a reference to result itself. An assignment -// will then create a primitive value. -json_pointer(element.first).get_and_create(result) = element.second; -} - -return result; -} - -/*! - @brief compares two JSON pointers for equality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is equal to @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ -friend bool operator==(json_pointer const& lhs, -json_pointer const& rhs) noexcept -{ -return lhs.reference_tokens == rhs.reference_tokens; -} - -/*! - @brief compares two JSON pointers for inequality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is not equal @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ -friend bool operator!=(json_pointer const& lhs, -json_pointer const& rhs) noexcept -{ -return !(lhs == rhs); -} - -/// the reference tokens -std::vector reference_tokens; -}; -} // namespace nlohmann - -// #include - - -#include -#include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -class json_ref -{ -public: -using value_type = BasicJsonType; - -json_ref(value_type&& value) -: owned_value(std::move(value)) -{} - -json_ref(const value_type& value) -: value_ref(&value) -{} - -json_ref(std::initializer_list init) -: owned_value(init) -{} - -template < -class... Args, -enable_if_t::value, int> = 0 > -json_ref(Args && ... args) -: owned_value(std::forward(args)...) -{} - -// class should be movable only -json_ref(json_ref&&) = default; -json_ref(const json_ref&) = delete; -json_ref& operator=(const json_ref&) = delete; -json_ref& operator=(json_ref&&) = delete; -~json_ref() = default; - -value_type moved_or_copied() const -{ -if (value_ref == nullptr) -{ -return std::move(owned_value); -} -return *value_ref; -} - -value_type const& operator*() const -{ -return value_ref ? *value_ref : owned_value; -} - -value_type const* operator->() const -{ -return &** this; -} - -private: -mutable value_type owned_value = nullptr; -value_type const* value_ref = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // reverse -#include // array -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // memcpy -#include // numeric_limits -#include // string -#include // isnan, isinf - -// #include - -// #include - -// #include - - -#include // copy -#include // size_t -#include // streamsize -#include // back_inserter -#include // shared_ptr, make_shared -#include // basic_ostream -#include // basic_string -#include // vector -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// abstract output adapter interface -template struct output_adapter_protocol -{ -virtual void write_character(CharType c) = 0; -virtual void write_characters(const CharType* s, std::size_t length) = 0; -virtual ~output_adapter_protocol() = default; -}; - -/// a type to simplify interfaces -template -using output_adapter_t = std::shared_ptr>; - -/// output adapter for byte vectors -template -class output_vector_adapter : public output_adapter_protocol -{ -public: -explicit output_vector_adapter(std::vector& vec) noexcept -: v(vec) -{} - -void write_character(CharType c) override -{ -v.push_back(c); -} - -JSON_HEDLEY_NON_NULL(2) -void write_characters(const CharType* s, std::size_t length) override -{ -std::copy(s, s + length, std::back_inserter(v)); -} - -private: -std::vector& v; -}; - -/// output adapter for output streams -template -class output_stream_adapter : public output_adapter_protocol -{ -public: -explicit output_stream_adapter(std::basic_ostream& s) noexcept -: stream(s) -{} - -void write_character(CharType c) override -{ -stream.put(c); -} - -JSON_HEDLEY_NON_NULL(2) -void write_characters(const CharType* s, std::size_t length) override -{ -stream.write(s, static_cast(length)); -} - -private: -std::basic_ostream& stream; -}; - -/// output adapter for basic_string -template> -class output_string_adapter : public output_adapter_protocol -{ -public: -explicit output_string_adapter(StringType& s) noexcept -: str(s) -{} - -void write_character(CharType c) override -{ -str.push_back(c); -} - -JSON_HEDLEY_NON_NULL(2) -void write_characters(const CharType* s, std::size_t length) override -{ -str.append(s, length); -} - -private: -StringType& str; -}; - -template> -class output_adapter -{ -public: -output_adapter(std::vector& vec) -: oa(std::make_shared>(vec)) {} - -output_adapter(std::basic_ostream& s) -: oa(std::make_shared>(s)) {} - -output_adapter(StringType& s) -: oa(std::make_shared>(s)) {} - -operator output_adapter_t() -{ -return oa; -} - -private: -output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// binary writer // -/////////////////// - -/*! -@brief serialization to CBOR and MessagePack values -*/ -template -class binary_writer -{ -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using number_float_t = typename BasicJsonType::number_float_t; - -public: -/*! - @brief create a binary writer - - @param[in] adapter output adapter to write to - */ -explicit binary_writer(output_adapter_t adapter) : oa(adapter) -{ -JSON_ASSERT(oa); -} - -/*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ -void write_bson(const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::object: -{ -write_bson_object(*j.m_value.object); -break; -} - -default: -{ -JSON_THROW(type_error::create(317, "to serialize to BSON, top-level type must be object, but is " + std::string(j.type_name()))); -} -} -} - -/*! - @param[in] j JSON value to serialize - */ -void write_cbor(const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::null: -{ -oa->write_character(to_char_type(0xF6)); -break; -} - -case value_t::boolean: -{ -oa->write_character(j.m_value.boolean -? to_char_type(0xF5) -: to_char_type(0xF4)); -break; -} - -case value_t::number_integer: -{ -if (j.m_value.number_integer >= 0) -{ -// CBOR does not differentiate between positive signed -// integers and unsigned integers. Therefore, we used the -// code from the value_t::number_unsigned case here. -if (j.m_value.number_integer <= 0x17) -{ -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x18)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x19)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x1A)); -write_number(static_cast(j.m_value.number_integer)); -} -else -{ -oa->write_character(to_char_type(0x1B)); -write_number(static_cast(j.m_value.number_integer)); -} -} -else -{ -// The conversions below encode the sign in the first -// byte, and the value is converted to a positive number. -const auto positive_number = -1 - j.m_value.number_integer; -if (j.m_value.number_integer >= -24) -{ -write_number(static_cast(0x20 + positive_number)); -} -else if (positive_number <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x38)); -write_number(static_cast(positive_number)); -} -else if (positive_number <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x39)); -write_number(static_cast(positive_number)); -} -else if (positive_number <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x3A)); -write_number(static_cast(positive_number)); -} -else -{ -oa->write_character(to_char_type(0x3B)); -write_number(static_cast(positive_number)); -} -} -break; -} - -case value_t::number_unsigned: -{ -if (j.m_value.number_unsigned <= 0x17) -{ -write_number(static_cast(j.m_value.number_unsigned)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x18)); -write_number(static_cast(j.m_value.number_unsigned)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x19)); -write_number(static_cast(j.m_value.number_unsigned)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x1A)); -write_number(static_cast(j.m_value.number_unsigned)); -} -else -{ -oa->write_character(to_char_type(0x1B)); -write_number(static_cast(j.m_value.number_unsigned)); -} -break; -} - -case value_t::number_float: -{ -if (std::isnan(j.m_value.number_float)) -{ -// NaN is 0xf97e00 in CBOR -oa->write_character(to_char_type(0xF9)); -oa->write_character(to_char_type(0x7E)); -oa->write_character(to_char_type(0x00)); -} -else if (std::isinf(j.m_value.number_float)) -{ -// Infinity is 0xf97c00, -Infinity is 0xf9fc00 -oa->write_character(to_char_type(0xf9)); -oa->write_character(j.m_value.number_float > 0 ? to_char_type(0x7C) : to_char_type(0xFC)); -oa->write_character(to_char_type(0x00)); -} -else -{ -write_compact_float(j.m_value.number_float, detail::input_format_t::cbor); -} -break; -} - -case value_t::string: -{ -// step 1: write control byte and the string length -const auto N = j.m_value.string->size(); -if (N <= 0x17) -{ -write_number(static_cast(0x60 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x78)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x79)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x7A)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x7B)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write the string -oa->write_characters( -reinterpret_cast(j.m_value.string->c_str()), -j.m_value.string->size()); -break; -} - -case value_t::array: -{ -// step 1: write control byte and the array size -const auto N = j.m_value.array->size(); -if (N <= 0x17) -{ -write_number(static_cast(0x80 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x98)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x99)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x9A)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x9B)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write each element -for (const auto& el : *j.m_value.array) -{ -write_cbor(el); -} -break; -} - -case value_t::binary: -{ -if (j.m_value.binary->has_subtype()) -{ -write_number(static_cast(0xd8)); -write_number(j.m_value.binary->subtype()); -} - -// step 1: write control byte and the binary array size -const auto N = j.m_value.binary->size(); -if (N <= 0x17) -{ -write_number(static_cast(0x40 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x58)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x59)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x5A)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x5B)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write each element -oa->write_characters( -reinterpret_cast(j.m_value.binary->data()), -N); - -break; -} - -case value_t::object: -{ -// step 1: write control byte and the object size -const auto N = j.m_value.object->size(); -if (N <= 0x17) -{ -write_number(static_cast(0xA0 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xB8)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xB9)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xBA)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xBB)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write each element -for (const auto& el : *j.m_value.object) -{ -write_cbor(el.first); -write_cbor(el.second); -} -break; -} - -default: -break; -} -} - -/*! - @param[in] j JSON value to serialize - */ -void write_msgpack(const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::null: // nil -{ -oa->write_character(to_char_type(0xC0)); -break; -} - -case value_t::boolean: // true and false -{ -oa->write_character(j.m_value.boolean -? to_char_type(0xC3) -: to_char_type(0xC2)); -break; -} - -case value_t::number_integer: -{ -if (j.m_value.number_integer >= 0) -{ -// MessagePack does not differentiate between positive -// signed integers and unsigned integers. Therefore, we used -// the code from the value_t::number_unsigned case here. -if (j.m_value.number_unsigned < 128) -{ -// positive fixnum -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 8 -oa->write_character(to_char_type(0xCC)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 16 -oa->write_character(to_char_type(0xCD)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 32 -oa->write_character(to_char_type(0xCE)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 64 -oa->write_character(to_char_type(0xCF)); -write_number(static_cast(j.m_value.number_integer)); -} -} -else -{ -if (j.m_value.number_integer >= -32) -{ -// negative fixnum -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 8 -oa->write_character(to_char_type(0xD0)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 16 -oa->write_character(to_char_type(0xD1)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 32 -oa->write_character(to_char_type(0xD2)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 64 -oa->write_character(to_char_type(0xD3)); -write_number(static_cast(j.m_value.number_integer)); -} -} -break; -} - -case value_t::number_unsigned: -{ -if (j.m_value.number_unsigned < 128) -{ -// positive fixnum -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 8 -oa->write_character(to_char_type(0xCC)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 16 -oa->write_character(to_char_type(0xCD)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 32 -oa->write_character(to_char_type(0xCE)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 64 -oa->write_character(to_char_type(0xCF)); -write_number(static_cast(j.m_value.number_integer)); -} -break; -} - -case value_t::number_float: -{ -write_compact_float(j.m_value.number_float, detail::input_format_t::msgpack); -break; -} - -case value_t::string: -{ -// step 1: write control byte and the string length -const auto N = j.m_value.string->size(); -if (N <= 31) -{ -// fixstr -write_number(static_cast(0xA0 | N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// str 8 -oa->write_character(to_char_type(0xD9)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// str 16 -oa->write_character(to_char_type(0xDA)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// str 32 -oa->write_character(to_char_type(0xDB)); -write_number(static_cast(N)); -} - -// step 2: write the string -oa->write_characters( -reinterpret_cast(j.m_value.string->c_str()), -j.m_value.string->size()); -break; -} - -case value_t::array: -{ -// step 1: write control byte and the array size -const auto N = j.m_value.array->size(); -if (N <= 15) -{ -// fixarray -write_number(static_cast(0x90 | N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// array 16 -oa->write_character(to_char_type(0xDC)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// array 32 -oa->write_character(to_char_type(0xDD)); -write_number(static_cast(N)); -} - -// step 2: write each element -for (const auto& el : *j.m_value.array) -{ -write_msgpack(el); -} -break; -} - -case value_t::binary: -{ -// step 0: determine if the binary type has a set subtype to -// determine whether or not to use the ext or fixext types -const bool use_ext = j.m_value.binary->has_subtype(); - -// step 1: write control byte and the byte string length -const auto N = j.m_value.binary->size(); -if (N <= (std::numeric_limits::max)()) -{ -std::uint8_t output_type{}; -bool fixed = true; -if (use_ext) -{ -switch (N) -{ -case 1: -output_type = 0xD4; // fixext 1 -break; -case 2: -output_type = 0xD5; // fixext 2 -break; -case 4: -output_type = 0xD6; // fixext 4 -break; -case 8: -output_type = 0xD7; // fixext 8 -break; -case 16: -output_type = 0xD8; // fixext 16 -break; -default: -output_type = 0xC7; // ext 8 -fixed = false; -break; -} - -} -else -{ -output_type = 0xC4; // bin 8 -fixed = false; -} - -oa->write_character(to_char_type(output_type)); -if (!fixed) -{ -write_number(static_cast(N)); -} -} -else if (N <= (std::numeric_limits::max)()) -{ -std::uint8_t output_type = use_ext -? 0xC8 // ext 16 -: 0xC5; // bin 16 - -oa->write_character(to_char_type(output_type)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -std::uint8_t output_type = use_ext -? 0xC9 // ext 32 -: 0xC6; // bin 32 - -oa->write_character(to_char_type(output_type)); -write_number(static_cast(N)); -} - -// step 1.5: if this is an ext type, write the subtype -if (use_ext) -{ -write_number(static_cast(j.m_value.binary->subtype())); -} - -// step 2: write the byte string -oa->write_characters( -reinterpret_cast(j.m_value.binary->data()), -N); - -break; -} - -case value_t::object: -{ -// step 1: write control byte and the object size -const auto N = j.m_value.object->size(); -if (N <= 15) -{ -// fixmap -write_number(static_cast(0x80 | (N & 0xF))); -} -else if (N <= (std::numeric_limits::max)()) -{ -// map 16 -oa->write_character(to_char_type(0xDE)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// map 32 -oa->write_character(to_char_type(0xDF)); -write_number(static_cast(N)); -} - -// step 2: write each element -for (const auto& el : *j.m_value.object) -{ -write_msgpack(el.first); -write_msgpack(el.second); -} -break; -} - -default: -break; -} -} - -/*! - @param[in] j JSON value to serialize - @param[in] use_count whether to use '#' prefixes (optimized format) - @param[in] use_type whether to use '$' prefixes (optimized format) - @param[in] add_prefix whether prefixes need to be used for this value - */ -void write_ubjson(const BasicJsonType& j, const bool use_count, -const bool use_type, const bool add_prefix = true) -{ -switch (j.type()) -{ -case value_t::null: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('Z')); -} -break; -} - -case value_t::boolean: -{ -if (add_prefix) -{ -oa->write_character(j.m_value.boolean -? to_char_type('T') -: to_char_type('F')); -} -break; -} - -case value_t::number_integer: -{ -write_number_with_ubjson_prefix(j.m_value.number_integer, add_prefix); -break; -} - -case value_t::number_unsigned: -{ -write_number_with_ubjson_prefix(j.m_value.number_unsigned, add_prefix); -break; -} - -case value_t::number_float: -{ -write_number_with_ubjson_prefix(j.m_value.number_float, add_prefix); -break; -} - -case value_t::string: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('S')); -} -write_number_with_ubjson_prefix(j.m_value.string->size(), true); -oa->write_characters( -reinterpret_cast(j.m_value.string->c_str()), -j.m_value.string->size()); -break; -} - -case value_t::array: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('[')); -} - -bool prefix_required = true; -if (use_type && !j.m_value.array->empty()) -{ -JSON_ASSERT(use_count); -const CharType first_prefix = ubjson_prefix(j.front()); -const bool same_prefix = std::all_of(j.begin() + 1, j.end(), -[this, first_prefix](const BasicJsonType & v) -{ -return ubjson_prefix(v) == first_prefix; -}); - -if (same_prefix) -{ -prefix_required = false; -oa->write_character(to_char_type('$')); -oa->write_character(first_prefix); -} -} - -if (use_count) -{ -oa->write_character(to_char_type('#')); -write_number_with_ubjson_prefix(j.m_value.array->size(), true); -} - -for (const auto& el : *j.m_value.array) -{ -write_ubjson(el, use_count, use_type, prefix_required); -} - -if (!use_count) -{ -oa->write_character(to_char_type(']')); -} - -break; -} - -case value_t::binary: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('[')); -} - -if (use_type && !j.m_value.binary->empty()) -{ -JSON_ASSERT(use_count); -oa->write_character(to_char_type('$')); -oa->write_character('U'); -} - -if (use_count) -{ -oa->write_character(to_char_type('#')); -write_number_with_ubjson_prefix(j.m_value.binary->size(), true); -} - -if (use_type) -{ -oa->write_characters( -reinterpret_cast(j.m_value.binary->data()), -j.m_value.binary->size()); -} -else -{ -for (size_t i = 0; i < j.m_value.binary->size(); ++i) -{ -oa->write_character(to_char_type('U')); -oa->write_character(j.m_value.binary->data()[i]); -} -} - -if (!use_count) -{ -oa->write_character(to_char_type(']')); -} - -break; -} - -case value_t::object: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('{')); -} - -bool prefix_required = true; -if (use_type && !j.m_value.object->empty()) -{ -JSON_ASSERT(use_count); -const CharType first_prefix = ubjson_prefix(j.front()); -const bool same_prefix = std::all_of(j.begin(), j.end(), -[this, first_prefix](const BasicJsonType & v) -{ -return ubjson_prefix(v) == first_prefix; -}); - -if (same_prefix) -{ -prefix_required = false; -oa->write_character(to_char_type('$')); -oa->write_character(first_prefix); -} -} - -if (use_count) -{ -oa->write_character(to_char_type('#')); -write_number_with_ubjson_prefix(j.m_value.object->size(), true); -} - -for (const auto& el : *j.m_value.object) -{ -write_number_with_ubjson_prefix(el.first.size(), true); -oa->write_characters( -reinterpret_cast(el.first.c_str()), -el.first.size()); -write_ubjson(el.second, use_count, use_type, prefix_required); -} - -if (!use_count) -{ -oa->write_character(to_char_type('}')); -} - -break; -} - -default: -break; -} -} - -private: -////////// -// BSON // -////////// - -/*! - @return The size of a BSON document entry header, including the id marker - and the entry name size (and its null-terminator). - */ -static std::size_t calc_bson_entry_header_size(const string_t& name) -{ -const auto it = name.find(static_cast(0)); -if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos)) -{ -JSON_THROW(out_of_range::create(409, -"BSON key cannot contain code point U+0000 (at byte " + std::to_string(it) + ")")); -} - -return /*id*/ 1ul + name.size() + /*zero-terminator*/1u; -} - -/*! - @brief Writes the given @a element_type and @a name to the output adapter - */ -void write_bson_entry_header(const string_t& name, -const std::uint8_t element_type) -{ -oa->write_character(to_char_type(element_type)); // boolean -oa->write_characters( -reinterpret_cast(name.c_str()), -name.size() + 1u); -} - -/*! - @brief Writes a BSON element with key @a name and boolean value @a value - */ -void write_bson_boolean(const string_t& name, -const bool value) -{ -write_bson_entry_header(name, 0x08); -oa->write_character(value ? to_char_type(0x01) : to_char_type(0x00)); -} - -/*! - @brief Writes a BSON element with key @a name and double value @a value - */ -void write_bson_double(const string_t& name, -const double value) -{ -write_bson_entry_header(name, 0x01); -write_number(value); -} - -/*! - @return The size of the BSON-encoded string in @a value - */ -static std::size_t calc_bson_string_size(const string_t& value) -{ -return sizeof(std::int32_t) + value.size() + 1ul; -} - -/*! - @brief Writes a BSON element with key @a name and string value @a value - */ -void write_bson_string(const string_t& name, -const string_t& value) -{ -write_bson_entry_header(name, 0x02); - -write_number(static_cast(value.size() + 1ul)); -oa->write_characters( -reinterpret_cast(value.c_str()), -value.size() + 1); -} - -/*! - @brief Writes a BSON element with key @a name and null value - */ -void write_bson_null(const string_t& name) -{ -write_bson_entry_header(name, 0x0A); -} - -/*! - @return The size of the BSON-encoded integer @a value - */ -static std::size_t calc_bson_integer_size(const std::int64_t value) -{ -return (std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)() -? sizeof(std::int32_t) -: sizeof(std::int64_t); -} - -/*! - @brief Writes a BSON element with key @a name and integer @a value - */ -void write_bson_integer(const string_t& name, -const std::int64_t value) -{ -if ((std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)()) -{ -write_bson_entry_header(name, 0x10); // int32 -write_number(static_cast(value)); -} -else -{ -write_bson_entry_header(name, 0x12); // int64 -write_number(static_cast(value)); -} -} - -/*! - @return The size of the BSON-encoded unsigned integer in @a j - */ -static constexpr std::size_t calc_bson_unsigned_size(const std::uint64_t value) noexcept -{ -return (value <= static_cast((std::numeric_limits::max)())) -? sizeof(std::int32_t) -: sizeof(std::int64_t); -} - -/*! - @brief Writes a BSON element with key @a name and unsigned @a value - */ -void write_bson_unsigned(const string_t& name, -const std::uint64_t value) -{ -if (value <= static_cast((std::numeric_limits::max)())) -{ -write_bson_entry_header(name, 0x10 /* int32 */); -write_number(static_cast(value)); -} -else if (value <= static_cast((std::numeric_limits::max)())) -{ -write_bson_entry_header(name, 0x12 /* int64 */); -write_number(static_cast(value)); -} -else -{ -JSON_THROW(out_of_range::create(407, "integer number " + std::to_string(value) + " cannot be represented by BSON as it does not fit int64")); -} -} - -/*! - @brief Writes a BSON element with key @a name and object @a value - */ -void write_bson_object_entry(const string_t& name, -const typename BasicJsonType::object_t& value) -{ -write_bson_entry_header(name, 0x03); // object -write_bson_object(value); -} - -/*! - @return The size of the BSON-encoded array @a value - */ -static std::size_t calc_bson_array_size(const typename BasicJsonType::array_t& value) -{ -std::size_t array_index = 0ul; - -const std::size_t embedded_document_size = std::accumulate(std::begin(value), std::end(value), std::size_t(0), [&array_index](std::size_t result, const typename BasicJsonType::array_t::value_type & el) -{ -return result + calc_bson_element_size(std::to_string(array_index++), el); -}); - -return sizeof(std::int32_t) + embedded_document_size + 1ul; -} - -/*! - @return The size of the BSON-encoded binary array @a value - */ -static std::size_t calc_bson_binary_size(const typename BasicJsonType::binary_t& value) -{ -return sizeof(std::int32_t) + value.size() + 1ul; -} - -/*! - @brief Writes a BSON element with key @a name and array @a value - */ -void write_bson_array(const string_t& name, -const typename BasicJsonType::array_t& value) -{ -write_bson_entry_header(name, 0x04); // array -write_number(static_cast(calc_bson_array_size(value))); - -std::size_t array_index = 0ul; - -for (const auto& el : value) -{ -write_bson_element(std::to_string(array_index++), el); -} - -oa->write_character(to_char_type(0x00)); -} - -/*! - @brief Writes a BSON element with key @a name and binary value @a value - */ -void write_bson_binary(const string_t& name, -const binary_t& value) -{ -write_bson_entry_header(name, 0x05); - -write_number(static_cast(value.size())); -write_number(value.has_subtype() ? value.subtype() : std::uint8_t(0x00)); - -oa->write_characters(reinterpret_cast(value.data()), value.size()); -} - -/*! - @brief Calculates the size necessary to serialize the JSON value @a j with its @a name - @return The calculated size for the BSON document entry for @a j with the given @a name. - */ -static std::size_t calc_bson_element_size(const string_t& name, -const BasicJsonType& j) -{ -const auto header_size = calc_bson_entry_header_size(name); -switch (j.type()) -{ -case value_t::object: -return header_size + calc_bson_object_size(*j.m_value.object); - -case value_t::array: -return header_size + calc_bson_array_size(*j.m_value.array); - -case value_t::binary: -return header_size + calc_bson_binary_size(*j.m_value.binary); - -case value_t::boolean: -return header_size + 1ul; - -case value_t::number_float: -return header_size + 8ul; - -case value_t::number_integer: -return header_size + calc_bson_integer_size(j.m_value.number_integer); - -case value_t::number_unsigned: -return header_size + calc_bson_unsigned_size(j.m_value.number_unsigned); - -case value_t::string: -return header_size + calc_bson_string_size(*j.m_value.string); - -case value_t::null: -return header_size + 0ul; - -// LCOV_EXCL_START -default: -JSON_ASSERT(false); -return 0ul; -// LCOV_EXCL_STOP -} -} - -/*! - @brief Serializes the JSON value @a j to BSON and associates it with the - key @a name. - @param name The name to associate with the JSON entity @a j within the - current BSON document - @return The size of the BSON entry - */ -void write_bson_element(const string_t& name, -const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::object: -return write_bson_object_entry(name, *j.m_value.object); - -case value_t::array: -return write_bson_array(name, *j.m_value.array); - -case value_t::binary: -return write_bson_binary(name, *j.m_value.binary); - -case value_t::boolean: -return write_bson_boolean(name, j.m_value.boolean); - -case value_t::number_float: -return write_bson_double(name, j.m_value.number_float); - -case value_t::number_integer: -return write_bson_integer(name, j.m_value.number_integer); - -case value_t::number_unsigned: -return write_bson_unsigned(name, j.m_value.number_unsigned); - -case value_t::string: -return write_bson_string(name, *j.m_value.string); - -case value_t::null: -return write_bson_null(name); - -// LCOV_EXCL_START -default: -JSON_ASSERT(false); -return; -// LCOV_EXCL_STOP -} -} - -/*! - @brief Calculates the size of the BSON serialization of the given - JSON-object @a j. - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ -static std::size_t calc_bson_object_size(const typename BasicJsonType::object_t& value) -{ -std::size_t document_size = std::accumulate(value.begin(), value.end(), std::size_t(0), -[](size_t result, const typename BasicJsonType::object_t::value_type & el) -{ -return result += calc_bson_element_size(el.first, el.second); -}); - -return sizeof(std::int32_t) + document_size + 1ul; -} - -/*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ -void write_bson_object(const typename BasicJsonType::object_t& value) -{ -write_number(static_cast(calc_bson_object_size(value))); - -for (const auto& el : value) -{ -write_bson_element(el.first, el.second); -} - -oa->write_character(to_char_type(0x00)); -} - -////////// -// CBOR // -////////// - -static constexpr CharType get_cbor_float_prefix(float /*unused*/) -{ -return to_char_type(0xFA); // Single-Precision Float -} - -static constexpr CharType get_cbor_float_prefix(double /*unused*/) -{ -return to_char_type(0xFB); // Double-Precision Float -} - -///////////// -// MsgPack // -///////////// - -static constexpr CharType get_msgpack_float_prefix(float /*unused*/) -{ -return to_char_type(0xCA); // float 32 -} - -static constexpr CharType get_msgpack_float_prefix(double /*unused*/) -{ -return to_char_type(0xCB); // float 64 -} - -//////////// -// UBJSON // -//////////// - -// UBJSON: write number (floating point) -template::value, int>::type = 0> -void write_number_with_ubjson_prefix(const NumberType n, -const bool add_prefix) -{ -if (add_prefix) -{ -oa->write_character(get_ubjson_float_prefix(n)); -} -write_number(n); -} - -// UBJSON: write number (unsigned integer) -template::value, int>::type = 0> -void write_number_with_ubjson_prefix(const NumberType n, -const bool add_prefix) -{ -if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('i')); // int8 -} -write_number(static_cast(n)); -} -else if (n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('U')); // uint8 -} -write_number(static_cast(n)); -} -else if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('I')); // int16 -} -write_number(static_cast(n)); -} -else if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('l')); // int32 -} -write_number(static_cast(n)); -} -else if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('L')); // int64 -} -write_number(static_cast(n)); -} -else -{ -if (add_prefix) -{ -oa->write_character(to_char_type('H')); // high-precision number -} - -const auto number = BasicJsonType(n).dump(); -write_number_with_ubjson_prefix(number.size(), true); -for (std::size_t i = 0; i < number.size(); ++i) -{ -oa->write_character(to_char_type(static_cast(number[i]))); -} -} -} - -// UBJSON: write number (signed integer) -template < typename NumberType, typename std::enable_if < -std::is_signed::value&& -!std::is_floating_point::value, int >::type = 0 > -void write_number_with_ubjson_prefix(const NumberType n, -const bool add_prefix) -{ -if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('i')); // int8 -} -write_number(static_cast(n)); -} -else if (static_cast((std::numeric_limits::min)()) <= n && n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('U')); // uint8 -} -write_number(static_cast(n)); -} -else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('I')); // int16 -} -write_number(static_cast(n)); -} -else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('l')); // int32 -} -write_number(static_cast(n)); -} -else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('L')); // int64 -} -write_number(static_cast(n)); -} -// LCOV_EXCL_START -else -{ -if (add_prefix) -{ -oa->write_character(to_char_type('H')); // high-precision number -} - -const auto number = BasicJsonType(n).dump(); -write_number_with_ubjson_prefix(number.size(), true); -for (std::size_t i = 0; i < number.size(); ++i) -{ -oa->write_character(to_char_type(static_cast(number[i]))); -} -} -// LCOV_EXCL_STOP -} - -/*! - @brief determine the type prefix of container values - */ -CharType ubjson_prefix(const BasicJsonType& j) const noexcept -{ -switch (j.type()) -{ -case value_t::null: -return 'Z'; - -case value_t::boolean: -return j.m_value.boolean ? 'T' : 'F'; - -case value_t::number_integer: -{ -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'i'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'U'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'I'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'l'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'L'; -} -// anything else is treated as high-precision number -return 'H'; // LCOV_EXCL_LINE -} - -case value_t::number_unsigned: -{ -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'i'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'U'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'I'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'l'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'L'; -} -// anything else is treated as high-precision number -return 'H'; // LCOV_EXCL_LINE -} - -case value_t::number_float: -return get_ubjson_float_prefix(j.m_value.number_float); - -case value_t::string: -return 'S'; - -case value_t::array: // fallthrough -case value_t::binary: -return '['; - -case value_t::object: -return '{'; - -default: // discarded values -return 'N'; -} -} - -static constexpr CharType get_ubjson_float_prefix(float /*unused*/) -{ -return 'd'; // float 32 -} - -static constexpr CharType get_ubjson_float_prefix(double /*unused*/) -{ -return 'D'; // float 64 -} - -/////////////////////// -// Utility functions // -/////////////////////// - -/* - @brief write a number to output input - @param[in] n number of type @a NumberType - @tparam NumberType the type of the number - @tparam OutputIsLittleEndian Set to true if output data is - required to be little endian - - @note This function needs to respect the system's endianess, because bytes - in CBOR, MessagePack, and UBJSON are stored in network order (big - endian) and therefore need reordering on little endian systems. - */ -template -void write_number(const NumberType n) -{ -// step 1: write number to array of length NumberType -std::array vec; -std::memcpy(vec.data(), &n, sizeof(NumberType)); - -// step 2: write array to output (with possible reordering) -if (is_little_endian != OutputIsLittleEndian) -{ -// reverse byte order prior to conversion if necessary -std::reverse(vec.begin(), vec.end()); -} - -oa->write_characters(vec.data(), sizeof(NumberType)); -} - -void write_compact_float(const number_float_t n, detail::input_format_t format) -{ -if (static_cast(n) >= static_cast(std::numeric_limits::lowest()) && -static_cast(n) <= static_cast((std::numeric_limits::max)()) && -static_cast(static_cast(n)) == static_cast(n)) -{ -oa->write_character(format == detail::input_format_t::cbor -? get_cbor_float_prefix(static_cast(n)) -: get_msgpack_float_prefix(static_cast(n))); -write_number(static_cast(n)); -} -else -{ -oa->write_character(format == detail::input_format_t::cbor -? get_cbor_float_prefix(n) -: get_msgpack_float_prefix(n)); -write_number(n); -} -} - -public: -// The following to_char_type functions are implement the conversion -// between uint8_t and CharType. In case CharType is not unsigned, -// such a conversion is required to allow values greater than 128. -// See for a discussion. -template < typename C = CharType, -enable_if_t < std::is_signed::value && std::is_signed::value > * = nullptr > -static constexpr CharType to_char_type(std::uint8_t x) noexcept -{ -return *reinterpret_cast(&x); -} - -template < typename C = CharType, -enable_if_t < std::is_signed::value && std::is_unsigned::value > * = nullptr > -static CharType to_char_type(std::uint8_t x) noexcept -{ -static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t"); -static_assert(std::is_trivial::value, "CharType must be trivial"); -CharType result; -std::memcpy(&result, &x, sizeof(x)); -return result; -} - -template::value>* = nullptr> -static constexpr CharType to_char_type(std::uint8_t x) noexcept -{ -return x; -} - -template < typename InputCharType, typename C = CharType, -enable_if_t < -std::is_signed::value && -std::is_signed::value && -std::is_same::type>::value -> * = nullptr > -static constexpr CharType to_char_type(InputCharType x) noexcept -{ -return x; -} - -private: -/// whether we can assume little endianess -const bool is_little_endian = little_endianess(); - -/// the output -output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // reverse, remove, fill, find, none_of -#include // array -#include // localeconv, lconv -#include // labs, isfinite, isnan, signbit -#include // size_t, ptrdiff_t -#include // uint8_t -#include // snprintf -#include // numeric_limits -#include // string, char_traits -#include // is_same -#include // move - -// #include - - -#include // array -#include // signbit, isfinite -#include // intN_t, uintN_t -#include // memcpy, memmove -#include // numeric_limits -#include // conditional - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/*! -@brief implements the Grisu2 algorithm for binary to decimal floating-point -conversion. - -This implementation is a slightly modified version of the reference -implementation which may be obtained from -http://florian.loitsch.com/publications (bench.tar.gz). - -The code is distributed under the MIT license, Copyright (c) 2009 Florian Loitsch. - -For a detailed description of the algorithm see: - -[1] Loitsch, "Printing Floating-Point Numbers Quickly and Accurately with - Integers", Proceedings of the ACM SIGPLAN 2010 Conference on Programming - Language Design and Implementation, PLDI 2010 -[2] Burger, Dybvig, "Printing Floating-Point Numbers Quickly and Accurately", - Proceedings of the ACM SIGPLAN 1996 Conference on Programming Language - Design and Implementation, PLDI 1996 -*/ -namespace dtoa_impl -{ - -template -Target reinterpret_bits(const Source source) -{ -static_assert(sizeof(Target) == sizeof(Source), "size mismatch"); - -Target target; -std::memcpy(&target, &source, sizeof(Source)); -return target; -} - -struct diyfp // f * 2^e -{ -static constexpr int kPrecision = 64; // = q - -std::uint64_t f = 0; -int e = 0; - -constexpr diyfp(std::uint64_t f_, int e_) noexcept : f(f_), e(e_) {} - -/*! - @brief returns x - y - @pre x.e == y.e and x.f >= y.f - */ -static diyfp sub(const diyfp& x, const diyfp& y) noexcept -{ -JSON_ASSERT(x.e == y.e); -JSON_ASSERT(x.f >= y.f); - -return {x.f - y.f, x.e}; -} - -/*! - @brief returns x * y - @note The result is rounded. (Only the upper q bits are returned.) - */ -static diyfp mul(const diyfp& x, const diyfp& y) noexcept -{ -static_assert(kPrecision == 64, "internal error"); - -// Computes: -// f = round((x.f * y.f) / 2^q) -// e = x.e + y.e + q - -// Emulate the 64-bit * 64-bit multiplication: -// -// p = u * v -// = (u_lo + 2^32 u_hi) (v_lo + 2^32 v_hi) -// = (u_lo v_lo ) + 2^32 ((u_lo v_hi ) + (u_hi v_lo )) + 2^64 (u_hi v_hi ) -// = (p0 ) + 2^32 ((p1 ) + (p2 )) + 2^64 (p3 ) -// = (p0_lo + 2^32 p0_hi) + 2^32 ((p1_lo + 2^32 p1_hi) + (p2_lo + 2^32 p2_hi)) + 2^64 (p3 ) -// = (p0_lo ) + 2^32 (p0_hi + p1_lo + p2_lo ) + 2^64 (p1_hi + p2_hi + p3) -// = (p0_lo ) + 2^32 (Q ) + 2^64 (H ) -// = (p0_lo ) + 2^32 (Q_lo + 2^32 Q_hi ) + 2^64 (H ) -// -// (Since Q might be larger than 2^32 - 1) -// -// = (p0_lo + 2^32 Q_lo) + 2^64 (Q_hi + H) -// -// (Q_hi + H does not overflow a 64-bit int) -// -// = p_lo + 2^64 p_hi - -const std::uint64_t u_lo = x.f & 0xFFFFFFFFu; -const std::uint64_t u_hi = x.f >> 32u; -const std::uint64_t v_lo = y.f & 0xFFFFFFFFu; -const std::uint64_t v_hi = y.f >> 32u; - -const std::uint64_t p0 = u_lo * v_lo; -const std::uint64_t p1 = u_lo * v_hi; -const std::uint64_t p2 = u_hi * v_lo; -const std::uint64_t p3 = u_hi * v_hi; - -const std::uint64_t p0_hi = p0 >> 32u; -const std::uint64_t p1_lo = p1 & 0xFFFFFFFFu; -const std::uint64_t p1_hi = p1 >> 32u; -const std::uint64_t p2_lo = p2 & 0xFFFFFFFFu; -const std::uint64_t p2_hi = p2 >> 32u; - -std::uint64_t Q = p0_hi + p1_lo + p2_lo; - -// The full product might now be computed as -// -// p_hi = p3 + p2_hi + p1_hi + (Q >> 32) -// p_lo = p0_lo + (Q << 32) -// -// But in this particular case here, the full p_lo is not required. -// Effectively we only need to add the highest bit in p_lo to p_hi (and -// Q_hi + 1 does not overflow). - -Q += std::uint64_t{1} << (64u - 32u - 1u); // round, ties up - -const std::uint64_t h = p3 + p2_hi + p1_hi + (Q >> 32u); - -return {h, x.e + y.e + 64}; -} - -/*! - @brief normalize x such that the significand is >= 2^(q-1) - @pre x.f != 0 - */ -static diyfp normalize(diyfp x) noexcept -{ -JSON_ASSERT(x.f != 0); - -while ((x.f >> 63u) == 0) -{ -x.f <<= 1u; -x.e--; -} - -return x; -} - -/*! - @brief normalize x such that the result has the exponent E - @pre e >= x.e and the upper e - x.e bits of x.f must be zero. - */ -static diyfp normalize_to(const diyfp& x, const int target_exponent) noexcept -{ -const int delta = x.e - target_exponent; - -JSON_ASSERT(delta >= 0); -JSON_ASSERT(((x.f << delta) >> delta) == x.f); - -return {x.f << delta, target_exponent}; -} -}; - -struct boundaries -{ -diyfp w; -diyfp minus; -diyfp plus; -}; - -/*! -Compute the (normalized) diyfp representing the input number 'value' and its -boundaries. - -@pre value must be finite and positive -*/ -template -boundaries compute_boundaries(FloatType value) -{ -JSON_ASSERT(std::isfinite(value)); -JSON_ASSERT(value > 0); - -// Convert the IEEE representation into a diyfp. -// -// If v is denormal: -// value = 0.F * 2^(1 - bias) = ( F) * 2^(1 - bias - (p-1)) -// If v is normalized: -// value = 1.F * 2^(E - bias) = (2^(p-1) + F) * 2^(E - bias - (p-1)) - -static_assert(std::numeric_limits::is_iec559, -"internal error: dtoa_short requires an IEEE-754 floating-point implementation"); - -constexpr int kPrecision = std::numeric_limits::digits; // = p (includes the hidden bit) -constexpr int kBias = std::numeric_limits::max_exponent - 1 + (kPrecision - 1); -constexpr int kMinExp = 1 - kBias; -constexpr std::uint64_t kHiddenBit = std::uint64_t{1} << (kPrecision - 1); // = 2^(p-1) - -using bits_type = typename std::conditional::type; - -const std::uint64_t bits = reinterpret_bits(value); -const std::uint64_t E = bits >> (kPrecision - 1); -const std::uint64_t F = bits & (kHiddenBit - 1); - -const bool is_denormal = E == 0; -const diyfp v = is_denormal -? diyfp(F, kMinExp) -: diyfp(F + kHiddenBit, static_cast(E) - kBias); - -// Compute the boundaries m- and m+ of the floating-point value -// v = f * 2^e. -// -// Determine v- and v+, the floating-point predecessor and successor if v, -// respectively. -// -// v- = v - 2^e if f != 2^(p-1) or e == e_min (A) -// = v - 2^(e-1) if f == 2^(p-1) and e > e_min (B) -// -// v+ = v + 2^e -// -// Let m- = (v- + v) / 2 and m+ = (v + v+) / 2. All real numbers _strictly_ -// between m- and m+ round to v, regardless of how the input rounding -// algorithm breaks ties. -// -// ---+-------------+-------------+-------------+-------------+--- (A) -// v- m- v m+ v+ -// -// -----------------+------+------+-------------+-------------+--- (B) -// v- m- v m+ v+ - -const bool lower_boundary_is_closer = F == 0 && E > 1; -const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1); -const diyfp m_minus = lower_boundary_is_closer -? diyfp(4 * v.f - 1, v.e - 2) // (B) -: diyfp(2 * v.f - 1, v.e - 1); // (A) - -// Determine the normalized w+ = m+. -const diyfp w_plus = diyfp::normalize(m_plus); - -// Determine w- = m- such that e_(w-) = e_(w+). -const diyfp w_minus = diyfp::normalize_to(m_minus, w_plus.e); - -return {diyfp::normalize(v), w_minus, w_plus}; -} - -// Given normalized diyfp w, Grisu needs to find a (normalized) cached -// power-of-ten c, such that the exponent of the product c * w = f * 2^e lies -// within a certain range [alpha, gamma] (Definition 3.2 from [1]) -// -// alpha <= e = e_c + e_w + q <= gamma -// -// or -// -// f_c * f_w * 2^alpha <= f_c 2^(e_c) * f_w 2^(e_w) * 2^q -// <= f_c * f_w * 2^gamma -// -// Since c and w are normalized, i.e. 2^(q-1) <= f < 2^q, this implies -// -// 2^(q-1) * 2^(q-1) * 2^alpha <= c * w * 2^q < 2^q * 2^q * 2^gamma -// -// or -// -// 2^(q - 2 + alpha) <= c * w < 2^(q + gamma) -// -// The choice of (alpha,gamma) determines the size of the table and the form of -// the digit generation procedure. Using (alpha,gamma)=(-60,-32) works out well -// in practice: -// -// The idea is to cut the number c * w = f * 2^e into two parts, which can be -// processed independently: An integral part p1, and a fractional part p2: -// -// f * 2^e = ( (f div 2^-e) * 2^-e + (f mod 2^-e) ) * 2^e -// = (f div 2^-e) + (f mod 2^-e) * 2^e -// = p1 + p2 * 2^e -// -// The conversion of p1 into decimal form requires a series of divisions and -// modulos by (a power of) 10. These operations are faster for 32-bit than for -// 64-bit integers, so p1 should ideally fit into a 32-bit integer. This can be -// achieved by choosing -// -// -e >= 32 or e <= -32 := gamma -// -// In order to convert the fractional part -// -// p2 * 2^e = p2 / 2^-e = d[-1] / 10^1 + d[-2] / 10^2 + ... -// -// into decimal form, the fraction is repeatedly multiplied by 10 and the digits -// d[-i] are extracted in order: -// -// (10 * p2) div 2^-e = d[-1] -// (10 * p2) mod 2^-e = d[-2] / 10^1 + ... -// -// The multiplication by 10 must not overflow. It is sufficient to choose -// -// 10 * p2 < 16 * p2 = 2^4 * p2 <= 2^64. -// -// Since p2 = f mod 2^-e < 2^-e, -// -// -e <= 60 or e >= -60 := alpha - -constexpr int kAlpha = -60; -constexpr int kGamma = -32; - -struct cached_power // c = f * 2^e ~= 10^k -{ -std::uint64_t f; -int e; -int k; -}; - -/*! -For a normalized diyfp w = f * 2^e, this function returns a (normalized) cached -power-of-ten c = f_c * 2^e_c, such that the exponent of the product w * c -satisfies (Definition 3.2 from [1]) - - alpha <= e_c + e + q <= gamma. -*/ -inline cached_power get_cached_power_for_binary_exponent(int e) -{ -// Now -// -// alpha <= e_c + e + q <= gamma (1) -// ==> f_c * 2^alpha <= c * 2^e * 2^q -// -// and since the c's are normalized, 2^(q-1) <= f_c, -// -// ==> 2^(q - 1 + alpha) <= c * 2^(e + q) -// ==> 2^(alpha - e - 1) <= c -// -// If c were an exact power of ten, i.e. c = 10^k, one may determine k as -// -// k = ceil( log_10( 2^(alpha - e - 1) ) ) -// = ceil( (alpha - e - 1) * log_10(2) ) -// -// From the paper: -// "In theory the result of the procedure could be wrong since c is rounded, -// and the computation itself is approximated [...]. In practice, however, -// this simple function is sufficient." -// -// For IEEE double precision floating-point numbers converted into -// normalized diyfp's w = f * 2^e, with q = 64, -// -// e >= -1022 (min IEEE exponent) -// -52 (p - 1) -// -52 (p - 1, possibly normalize denormal IEEE numbers) -// -11 (normalize the diyfp) -// = -1137 -// -// and -// -// e <= +1023 (max IEEE exponent) -// -52 (p - 1) -// -11 (normalize the diyfp) -// = 960 -// -// This binary exponent range [-1137,960] results in a decimal exponent -// range [-307,324]. One does not need to store a cached power for each -// k in this range. For each such k it suffices to find a cached power -// such that the exponent of the product lies in [alpha,gamma]. -// This implies that the difference of the decimal exponents of adjacent -// table entries must be less than or equal to -// -// floor( (gamma - alpha) * log_10(2) ) = 8. -// -// (A smaller distance gamma-alpha would require a larger table.) - -// NB: -// Actually this function returns c, such that -60 <= e_c + e + 64 <= -34. - -constexpr int kCachedPowersMinDecExp = -300; -constexpr int kCachedPowersDecStep = 8; - -static constexpr std::array kCachedPowers = -{ -{ -{ 0xAB70FE17C79AC6CA, -1060, -300 }, -{ 0xFF77B1FCBEBCDC4F, -1034, -292 }, -{ 0xBE5691EF416BD60C, -1007, -284 }, -{ 0x8DD01FAD907FFC3C, -980, -276 }, -{ 0xD3515C2831559A83, -954, -268 }, -{ 0x9D71AC8FADA6C9B5, -927, -260 }, -{ 0xEA9C227723EE8BCB, -901, -252 }, -{ 0xAECC49914078536D, -874, -244 }, -{ 0x823C12795DB6CE57, -847, -236 }, -{ 0xC21094364DFB5637, -821, -228 }, -{ 0x9096EA6F3848984F, -794, -220 }, -{ 0xD77485CB25823AC7, -768, -212 }, -{ 0xA086CFCD97BF97F4, -741, -204 }, -{ 0xEF340A98172AACE5, -715, -196 }, -{ 0xB23867FB2A35B28E, -688, -188 }, -{ 0x84C8D4DFD2C63F3B, -661, -180 }, -{ 0xC5DD44271AD3CDBA, -635, -172 }, -{ 0x936B9FCEBB25C996, -608, -164 }, -{ 0xDBAC6C247D62A584, -582, -156 }, -{ 0xA3AB66580D5FDAF6, -555, -148 }, -{ 0xF3E2F893DEC3F126, -529, -140 }, -{ 0xB5B5ADA8AAFF80B8, -502, -132 }, -{ 0x87625F056C7C4A8B, -475, -124 }, -{ 0xC9BCFF6034C13053, -449, -116 }, -{ 0x964E858C91BA2655, -422, -108 }, -{ 0xDFF9772470297EBD, -396, -100 }, -{ 0xA6DFBD9FB8E5B88F, -369, -92 }, -{ 0xF8A95FCF88747D94, -343, -84 }, -{ 0xB94470938FA89BCF, -316, -76 }, -{ 0x8A08F0F8BF0F156B, -289, -68 }, -{ 0xCDB02555653131B6, -263, -60 }, -{ 0x993FE2C6D07B7FAC, -236, -52 }, -{ 0xE45C10C42A2B3B06, -210, -44 }, -{ 0xAA242499697392D3, -183, -36 }, -{ 0xFD87B5F28300CA0E, -157, -28 }, -{ 0xBCE5086492111AEB, -130, -20 }, -{ 0x8CBCCC096F5088CC, -103, -12 }, -{ 0xD1B71758E219652C, -77, -4 }, -{ 0x9C40000000000000, -50, 4 }, -{ 0xE8D4A51000000000, -24, 12 }, -{ 0xAD78EBC5AC620000, 3, 20 }, -{ 0x813F3978F8940984, 30, 28 }, -{ 0xC097CE7BC90715B3, 56, 36 }, -{ 0x8F7E32CE7BEA5C70, 83, 44 }, -{ 0xD5D238A4ABE98068, 109, 52 }, -{ 0x9F4F2726179A2245, 136, 60 }, -{ 0xED63A231D4C4FB27, 162, 68 }, -{ 0xB0DE65388CC8ADA8, 189, 76 }, -{ 0x83C7088E1AAB65DB, 216, 84 }, -{ 0xC45D1DF942711D9A, 242, 92 }, -{ 0x924D692CA61BE758, 269, 100 }, -{ 0xDA01EE641A708DEA, 295, 108 }, -{ 0xA26DA3999AEF774A, 322, 116 }, -{ 0xF209787BB47D6B85, 348, 124 }, -{ 0xB454E4A179DD1877, 375, 132 }, -{ 0x865B86925B9BC5C2, 402, 140 }, -{ 0xC83553C5C8965D3D, 428, 148 }, -{ 0x952AB45CFA97A0B3, 455, 156 }, -{ 0xDE469FBD99A05FE3, 481, 164 }, -{ 0xA59BC234DB398C25, 508, 172 }, -{ 0xF6C69A72A3989F5C, 534, 180 }, -{ 0xB7DCBF5354E9BECE, 561, 188 }, -{ 0x88FCF317F22241E2, 588, 196 }, -{ 0xCC20CE9BD35C78A5, 614, 204 }, -{ 0x98165AF37B2153DF, 641, 212 }, -{ 0xE2A0B5DC971F303A, 667, 220 }, -{ 0xA8D9D1535CE3B396, 694, 228 }, -{ 0xFB9B7CD9A4A7443C, 720, 236 }, -{ 0xBB764C4CA7A44410, 747, 244 }, -{ 0x8BAB8EEFB6409C1A, 774, 252 }, -{ 0xD01FEF10A657842C, 800, 260 }, -{ 0x9B10A4E5E9913129, 827, 268 }, -{ 0xE7109BFBA19C0C9D, 853, 276 }, -{ 0xAC2820D9623BF429, 880, 284 }, -{ 0x80444B5E7AA7CF85, 907, 292 }, -{ 0xBF21E44003ACDD2D, 933, 300 }, -{ 0x8E679C2F5E44FF8F, 960, 308 }, -{ 0xD433179D9C8CB841, 986, 316 }, -{ 0x9E19DB92B4E31BA9, 1013, 324 }, -} -}; - -// This computation gives exactly the same results for k as -// k = ceil((kAlpha - e - 1) * 0.30102999566398114) -// for |e| <= 1500, but doesn't require floating-point operations. -// NB: log_10(2) ~= 78913 / 2^18 -JSON_ASSERT(e >= -1500); -JSON_ASSERT(e <= 1500); -const int f = kAlpha - e - 1; -const int k = (f * 78913) / (1 << 18) + static_cast(f > 0); - -const int index = (-kCachedPowersMinDecExp + k + (kCachedPowersDecStep - 1)) / kCachedPowersDecStep; -JSON_ASSERT(index >= 0); -JSON_ASSERT(static_cast(index) < kCachedPowers.size()); - -const cached_power cached = kCachedPowers[static_cast(index)]; -JSON_ASSERT(kAlpha <= cached.e + e + 64); -JSON_ASSERT(kGamma >= cached.e + e + 64); - -return cached; -} - -/*! -For n != 0, returns k, such that pow10 := 10^(k-1) <= n < 10^k. -For n == 0, returns 1 and sets pow10 := 1. -*/ -inline int find_largest_pow10(const std::uint32_t n, std::uint32_t& pow10) -{ -// LCOV_EXCL_START -if (n >= 1000000000) -{ -pow10 = 1000000000; -return 10; -} -// LCOV_EXCL_STOP -else if (n >= 100000000) -{ -pow10 = 100000000; -return 9; -} -else if (n >= 10000000) -{ -pow10 = 10000000; -return 8; -} -else if (n >= 1000000) -{ -pow10 = 1000000; -return 7; -} -else if (n >= 100000) -{ -pow10 = 100000; -return 6; -} -else if (n >= 10000) -{ -pow10 = 10000; -return 5; -} -else if (n >= 1000) -{ -pow10 = 1000; -return 4; -} -else if (n >= 100) -{ -pow10 = 100; -return 3; -} -else if (n >= 10) -{ -pow10 = 10; -return 2; -} -else -{ -pow10 = 1; -return 1; -} -} - -inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t delta, -std::uint64_t rest, std::uint64_t ten_k) -{ -JSON_ASSERT(len >= 1); -JSON_ASSERT(dist <= delta); -JSON_ASSERT(rest <= delta); -JSON_ASSERT(ten_k > 0); - -// <--------------------------- delta ----> -// <---- dist ---------> -// --------------[------------------+-------------------]-------------- -// M- w M+ -// -// ten_k -// <------> -// <---- rest ----> -// --------------[------------------+----+--------------]-------------- -// w V -// = buf * 10^k -// -// ten_k represents a unit-in-the-last-place in the decimal representation -// stored in buf. -// Decrement buf by ten_k while this takes buf closer to w. - -// The tests are written in this order to avoid overflow in unsigned -// integer arithmetic. - -while (rest < dist -&& delta - rest >= ten_k -&& (rest + ten_k < dist || dist - rest > rest + ten_k - dist)) -{ -JSON_ASSERT(buf[len - 1] != '0'); -buf[len - 1]--; -rest += ten_k; -} -} - -/*! -Generates V = buffer * 10^decimal_exponent, such that M- <= V <= M+. -M- and M+ must be normalized and share the same exponent -60 <= e <= -32. -*/ -inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent, -diyfp M_minus, diyfp w, diyfp M_plus) -{ -static_assert(kAlpha >= -60, "internal error"); -static_assert(kGamma <= -32, "internal error"); - -// Generates the digits (and the exponent) of a decimal floating-point -// number V = buffer * 10^decimal_exponent in the range [M-, M+]. The diyfp's -// w, M- and M+ share the same exponent e, which satisfies alpha <= e <= gamma. -// -// <--------------------------- delta ----> -// <---- dist ---------> -// --------------[------------------+-------------------]-------------- -// M- w M+ -// -// Grisu2 generates the digits of M+ from left to right and stops as soon as -// V is in [M-,M+]. - -JSON_ASSERT(M_plus.e >= kAlpha); -JSON_ASSERT(M_plus.e <= kGamma); - -std::uint64_t delta = diyfp::sub(M_plus, M_minus).f; // (significand of (M+ - M-), implicit exponent is e) -std::uint64_t dist = diyfp::sub(M_plus, w ).f; // (significand of (M+ - w ), implicit exponent is e) - -// Split M+ = f * 2^e into two parts p1 and p2 (note: e < 0): -// -// M+ = f * 2^e -// = ((f div 2^-e) * 2^-e + (f mod 2^-e)) * 2^e -// = ((p1 ) * 2^-e + (p2 )) * 2^e -// = p1 + p2 * 2^e - -const diyfp one(std::uint64_t{1} << -M_plus.e, M_plus.e); - -auto p1 = static_cast(M_plus.f >> -one.e); // p1 = f div 2^-e (Since -e >= 32, p1 fits into a 32-bit int.) -std::uint64_t p2 = M_plus.f & (one.f - 1); // p2 = f mod 2^-e - -// 1) -// -// Generate the digits of the integral part p1 = d[n-1]...d[1]d[0] - -JSON_ASSERT(p1 > 0); - -std::uint32_t pow10; -const int k = find_largest_pow10(p1, pow10); - -// 10^(k-1) <= p1 < 10^k, pow10 = 10^(k-1) -// -// p1 = (p1 div 10^(k-1)) * 10^(k-1) + (p1 mod 10^(k-1)) -// = (d[k-1] ) * 10^(k-1) + (p1 mod 10^(k-1)) -// -// M+ = p1 + p2 * 2^e -// = d[k-1] * 10^(k-1) + (p1 mod 10^(k-1)) + p2 * 2^e -// = d[k-1] * 10^(k-1) + ((p1 mod 10^(k-1)) * 2^-e + p2) * 2^e -// = d[k-1] * 10^(k-1) + ( rest) * 2^e -// -// Now generate the digits d[n] of p1 from left to right (n = k-1,...,0) -// -// p1 = d[k-1]...d[n] * 10^n + d[n-1]...d[0] -// -// but stop as soon as -// -// rest * 2^e = (d[n-1]...d[0] * 2^-e + p2) * 2^e <= delta * 2^e - -int n = k; -while (n > 0) -{ -// Invariants: -// M+ = buffer * 10^n + (p1 + p2 * 2^e) (buffer = 0 for n = k) -// pow10 = 10^(n-1) <= p1 < 10^n -// -const std::uint32_t d = p1 / pow10; // d = p1 div 10^(n-1) -const std::uint32_t r = p1 % pow10; // r = p1 mod 10^(n-1) -// -// M+ = buffer * 10^n + (d * 10^(n-1) + r) + p2 * 2^e -// = (buffer * 10 + d) * 10^(n-1) + (r + p2 * 2^e) -// -JSON_ASSERT(d <= 9); -buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d -// -// M+ = buffer * 10^(n-1) + (r + p2 * 2^e) -// -p1 = r; -n--; -// -// M+ = buffer * 10^n + (p1 + p2 * 2^e) -// pow10 = 10^n -// - -// Now check if enough digits have been generated. -// Compute -// -// p1 + p2 * 2^e = (p1 * 2^-e + p2) * 2^e = rest * 2^e -// -// Note: -// Since rest and delta share the same exponent e, it suffices to -// compare the significands. -const std::uint64_t rest = (std::uint64_t{p1} << -one.e) + p2; -if (rest <= delta) -{ -// V = buffer * 10^n, with M- <= V <= M+. - -decimal_exponent += n; - -// We may now just stop. But instead look if the buffer could be -// decremented to bring V closer to w. -// -// pow10 = 10^n is now 1 ulp in the decimal representation V. -// The rounding procedure works with diyfp's with an implicit -// exponent of e. -// -// 10^n = (10^n * 2^-e) * 2^e = ulp * 2^e -// -const std::uint64_t ten_n = std::uint64_t{pow10} << -one.e; -grisu2_round(buffer, length, dist, delta, rest, ten_n); - -return; -} - -pow10 /= 10; -// -// pow10 = 10^(n-1) <= p1 < 10^n -// Invariants restored. -} - -// 2) -// -// The digits of the integral part have been generated: -// -// M+ = d[k-1]...d[1]d[0] + p2 * 2^e -// = buffer + p2 * 2^e -// -// Now generate the digits of the fractional part p2 * 2^e. -// -// Note: -// No decimal point is generated: the exponent is adjusted instead. -// -// p2 actually represents the fraction -// -// p2 * 2^e -// = p2 / 2^-e -// = d[-1] / 10^1 + d[-2] / 10^2 + ... -// -// Now generate the digits d[-m] of p1 from left to right (m = 1,2,...) -// -// p2 * 2^e = d[-1]d[-2]...d[-m] * 10^-m -// + 10^-m * (d[-m-1] / 10^1 + d[-m-2] / 10^2 + ...) -// -// using -// -// 10^m * p2 = ((10^m * p2) div 2^-e) * 2^-e + ((10^m * p2) mod 2^-e) -// = ( d) * 2^-e + ( r) -// -// or -// 10^m * p2 * 2^e = d + r * 2^e -// -// i.e. -// -// M+ = buffer + p2 * 2^e -// = buffer + 10^-m * (d + r * 2^e) -// = (buffer * 10^m + d) * 10^-m + 10^-m * r * 2^e -// -// and stop as soon as 10^-m * r * 2^e <= delta * 2^e - -JSON_ASSERT(p2 > delta); - -int m = 0; -for (;;) -{ -// Invariant: -// M+ = buffer * 10^-m + 10^-m * (d[-m-1] / 10 + d[-m-2] / 10^2 + ...) * 2^e -// = buffer * 10^-m + 10^-m * (p2 ) * 2^e -// = buffer * 10^-m + 10^-m * (1/10 * (10 * p2) ) * 2^e -// = buffer * 10^-m + 10^-m * (1/10 * ((10*p2 div 2^-e) * 2^-e + (10*p2 mod 2^-e)) * 2^e -// -JSON_ASSERT(p2 <= (std::numeric_limits::max)() / 10); -p2 *= 10; -const std::uint64_t d = p2 >> -one.e; // d = (10 * p2) div 2^-e -const std::uint64_t r = p2 & (one.f - 1); // r = (10 * p2) mod 2^-e -// -// M+ = buffer * 10^-m + 10^-m * (1/10 * (d * 2^-e + r) * 2^e -// = buffer * 10^-m + 10^-m * (1/10 * (d + r * 2^e)) -// = (buffer * 10 + d) * 10^(-m-1) + 10^(-m-1) * r * 2^e -// -JSON_ASSERT(d <= 9); -buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d -// -// M+ = buffer * 10^(-m-1) + 10^(-m-1) * r * 2^e -// -p2 = r; -m++; -// -// M+ = buffer * 10^-m + 10^-m * p2 * 2^e -// Invariant restored. - -// Check if enough digits have been generated. -// -// 10^-m * p2 * 2^e <= delta * 2^e -// p2 * 2^e <= 10^m * delta * 2^e -// p2 <= 10^m * delta -delta *= 10; -dist *= 10; -if (p2 <= delta) -{ -break; -} -} - -// V = buffer * 10^-m, with M- <= V <= M+. - -decimal_exponent -= m; - -// 1 ulp in the decimal representation is now 10^-m. -// Since delta and dist are now scaled by 10^m, we need to do the -// same with ulp in order to keep the units in sync. -// -// 10^m * 10^-m = 1 = 2^-e * 2^e = ten_m * 2^e -// -const std::uint64_t ten_m = one.f; -grisu2_round(buffer, length, dist, delta, p2, ten_m); - -// By construction this algorithm generates the shortest possible decimal -// number (Loitsch, Theorem 6.2) which rounds back to w. -// For an input number of precision p, at least -// -// N = 1 + ceil(p * log_10(2)) -// -// decimal digits are sufficient to identify all binary floating-point -// numbers (Matula, "In-and-Out conversions"). -// This implies that the algorithm does not produce more than N decimal -// digits. -// -// N = 17 for p = 53 (IEEE double precision) -// N = 9 for p = 24 (IEEE single precision) -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -JSON_HEDLEY_NON_NULL(1) -inline void grisu2(char* buf, int& len, int& decimal_exponent, -diyfp m_minus, diyfp v, diyfp m_plus) -{ -JSON_ASSERT(m_plus.e == m_minus.e); -JSON_ASSERT(m_plus.e == v.e); - -// --------(-----------------------+-----------------------)-------- (A) -// m- v m+ -// -// --------------------(-----------+-----------------------)-------- (B) -// m- v m+ -// -// First scale v (and m- and m+) such that the exponent is in the range -// [alpha, gamma]. - -const cached_power cached = get_cached_power_for_binary_exponent(m_plus.e); - -const diyfp c_minus_k(cached.f, cached.e); // = c ~= 10^-k - -// The exponent of the products is = v.e + c_minus_k.e + q and is in the range [alpha,gamma] -const diyfp w = diyfp::mul(v, c_minus_k); -const diyfp w_minus = diyfp::mul(m_minus, c_minus_k); -const diyfp w_plus = diyfp::mul(m_plus, c_minus_k); - -// ----(---+---)---------------(---+---)---------------(---+---)---- -// w- w w+ -// = c*m- = c*v = c*m+ -// -// diyfp::mul rounds its result and c_minus_k is approximated too. w, w- and -// w+ are now off by a small amount. -// In fact: -// -// w - v * 10^k < 1 ulp -// -// To account for this inaccuracy, add resp. subtract 1 ulp. -// -// --------+---[---------------(---+---)---------------]---+-------- -// w- M- w M+ w+ -// -// Now any number in [M-, M+] (bounds included) will round to w when input, -// regardless of how the input rounding algorithm breaks ties. -// -// And digit_gen generates the shortest possible such number in [M-, M+]. -// Note that this does not mean that Grisu2 always generates the shortest -// possible number in the interval (m-, m+). -const diyfp M_minus(w_minus.f + 1, w_minus.e); -const diyfp M_plus (w_plus.f - 1, w_plus.e ); - -decimal_exponent = -cached.k; // = -(-k) = k - -grisu2_digit_gen(buf, len, decimal_exponent, M_minus, w, M_plus); -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -template -JSON_HEDLEY_NON_NULL(1) -void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value) -{ -static_assert(diyfp::kPrecision >= std::numeric_limits::digits + 3, -"internal error: not enough precision"); - -JSON_ASSERT(std::isfinite(value)); -JSON_ASSERT(value > 0); - -// If the neighbors (and boundaries) of 'value' are always computed for double-precision -// numbers, all float's can be recovered using strtod (and strtof). However, the resulting -// decimal representations are not exactly "short". -// -// The documentation for 'std::to_chars' (https://en.cppreference.com/w/cpp/utility/to_chars) -// says "value is converted to a string as if by std::sprintf in the default ("C") locale" -// and since sprintf promotes float's to double's, I think this is exactly what 'std::to_chars' -// does. -// On the other hand, the documentation for 'std::to_chars' requires that "parsing the -// representation using the corresponding std::from_chars function recovers value exactly". That -// indicates that single precision floating-point numbers should be recovered using -// 'std::strtof'. -// -// NB: If the neighbors are computed for single-precision numbers, there is a single float -// (7.0385307e-26f) which can't be recovered using strtod. The resulting double precision -// value is off by 1 ulp. -#if 0 -const boundaries w = compute_boundaries(static_cast(value)); -#else -const boundaries w = compute_boundaries(value); -#endif - -grisu2(buf, len, decimal_exponent, w.minus, w.w, w.plus); -} - -/*! -@brief appends a decimal representation of e to buf -@return a pointer to the element following the exponent. -@pre -1000 < e < 1000 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* append_exponent(char* buf, int e) -{ -JSON_ASSERT(e > -1000); -JSON_ASSERT(e < 1000); - -if (e < 0) -{ -e = -e; -*buf++ = '-'; -} -else -{ -*buf++ = '+'; -} - -auto k = static_cast(e); -if (k < 10) -{ -// Always print at least two digits in the exponent. -// This is for compatibility with printf("%g"). -*buf++ = '0'; -*buf++ = static_cast('0' + k); -} -else if (k < 100) -{ -*buf++ = static_cast('0' + k / 10); -k %= 10; -*buf++ = static_cast('0' + k); -} -else -{ -*buf++ = static_cast('0' + k / 100); -k %= 100; -*buf++ = static_cast('0' + k / 10); -k %= 10; -*buf++ = static_cast('0' + k); -} - -return buf; -} - -/*! -@brief prettify v = buf * 10^decimal_exponent - -If v is in the range [10^min_exp, 10^max_exp) it will be printed in fixed-point -notation. Otherwise it will be printed in exponential notation. - -@pre min_exp < 0 -@pre max_exp > 0 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* format_buffer(char* buf, int len, int decimal_exponent, -int min_exp, int max_exp) -{ -JSON_ASSERT(min_exp < 0); -JSON_ASSERT(max_exp > 0); - -const int k = len; -const int n = len + decimal_exponent; - -// v = buf * 10^(n-k) -// k is the length of the buffer (number of decimal digits) -// n is the position of the decimal point relative to the start of the buffer. - -if (k <= n && n <= max_exp) -{ -// digits[000] -// len <= max_exp + 2 - -std::memset(buf + k, '0', static_cast(n) - static_cast(k)); -// Make it look like a floating-point number (#362, #378) -buf[n + 0] = '.'; -buf[n + 1] = '0'; -return buf + (static_cast(n) + 2); -} - -if (0 < n && n <= max_exp) -{ -// dig.its -// len <= max_digits10 + 1 - -JSON_ASSERT(k > n); - -std::memmove(buf + (static_cast(n) + 1), buf + n, static_cast(k) - static_cast(n)); -buf[n] = '.'; -return buf + (static_cast(k) + 1U); -} - -if (min_exp < n && n <= 0) -{ -// 0.[000]digits -// len <= 2 + (-min_exp - 1) + max_digits10 - -std::memmove(buf + (2 + static_cast(-n)), buf, static_cast(k)); -buf[0] = '0'; -buf[1] = '.'; -std::memset(buf + 2, '0', static_cast(-n)); -return buf + (2U + static_cast(-n) + static_cast(k)); -} - -if (k == 1) -{ -// dE+123 -// len <= 1 + 5 - -buf += 1; -} -else -{ -// d.igitsE+123 -// len <= max_digits10 + 1 + 5 - -std::memmove(buf + 2, buf + 1, static_cast(k) - 1); -buf[1] = '.'; -buf += 1 + static_cast(k); -} - -*buf++ = 'e'; -return append_exponent(buf, n - 1); -} - -} // namespace dtoa_impl - -/*! -@brief generates a decimal representation of the floating-point number value in [first, last). - -The format of the resulting decimal representation is similar to printf's %g -format. Returns an iterator pointing past-the-end of the decimal representation. - -@note The input number must be finite, i.e. NaN's and Inf's are not supported. -@note The buffer must be large enough. -@note The result is NOT null-terminated. -*/ -template -JSON_HEDLEY_NON_NULL(1, 2) -JSON_HEDLEY_RETURNS_NON_NULL -char* to_chars(char* first, const char* last, FloatType value) -{ -static_cast(last); // maybe unused - fix warning -JSON_ASSERT(std::isfinite(value)); - -// Use signbit(value) instead of (value < 0) since signbit works for -0. -if (std::signbit(value)) -{ -value = -value; -*first++ = '-'; -} - -if (value == 0) // +-0 -{ -*first++ = '0'; -// Make it look like a floating-point number (#362, #378) -*first++ = '.'; -*first++ = '0'; -return first; -} - -JSON_ASSERT(last - first >= std::numeric_limits::max_digits10); - -// Compute v = buffer * 10^decimal_exponent. -// The decimal digits are stored in the buffer, which needs to be interpreted -// as an unsigned decimal integer. -// len is the length of the buffer, i.e. the number of decimal digits. -int len = 0; -int decimal_exponent = 0; -dtoa_impl::grisu2(first, len, decimal_exponent, value); - -JSON_ASSERT(len <= std::numeric_limits::max_digits10); - -// Format the buffer like printf("%.*g", prec, value) -constexpr int kMinExp = -4; -// Use digits10 here to increase compatibility with version 2. -constexpr int kMaxExp = std::numeric_limits::digits10; - -JSON_ASSERT(last - first >= kMaxExp + 2); -JSON_ASSERT(last - first >= 2 + (-kMinExp - 1) + std::numeric_limits::max_digits10); -JSON_ASSERT(last - first >= std::numeric_limits::max_digits10 + 6); - -return dtoa_impl::format_buffer(first, len, decimal_exponent, kMinExp, kMaxExp); -} - -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// serialization // -/////////////////// - -/// how to treat decoding errors -enum class error_handler_t -{ -strict, ///< throw a type_error exception in case of invalid UTF-8 -replace, ///< replace invalid UTF-8 sequences with U+FFFD -ignore ///< ignore invalid UTF-8 sequences -}; - -template -class serializer -{ -using string_t = typename BasicJsonType::string_t; -using number_float_t = typename BasicJsonType::number_float_t; -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using binary_char_t = typename BasicJsonType::binary_t::value_type; -static constexpr std::uint8_t UTF8_ACCEPT = 0; -static constexpr std::uint8_t UTF8_REJECT = 1; - -public: -/*! - @param[in] s output stream to serialize to - @param[in] ichar indentation character to use - @param[in] error_handler_ how to react on decoding errors - */ -serializer(output_adapter_t s, const char ichar, -error_handler_t error_handler_ = error_handler_t::strict) -: o(std::move(s)) -, loc(std::localeconv()) -, thousands_sep(loc->thousands_sep == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->thousands_sep))) -, decimal_point(loc->decimal_point == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->decimal_point))) -, indent_char(ichar) -, indent_string(512, indent_char) -, error_handler(error_handler_) -{} - -// delete because of pointer members -serializer(const serializer&) = delete; -serializer& operator=(const serializer&) = delete; -serializer(serializer&&) = delete; -serializer& operator=(serializer&&) = delete; -~serializer() = default; - -/*! - @brief internal implementation of the serialization function - - This function is called by the public member function dump and organizes - the serialization internally. The indentation level is propagated as - additional parameter. In case of arrays and objects, the function is - called recursively. - - - strings and object keys are escaped using `escape_string()` - - integer numbers are converted implicitly via `operator<<` - - floating-point numbers are converted to a string using `"%g"` format - - binary values are serialized as objects containing the subtype and the - byte array - - @param[in] val value to serialize - @param[in] pretty_print whether the output shall be pretty-printed - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] indent_step the indent level - @param[in] current_indent the current indent level (only used internally) - */ -void dump(const BasicJsonType& val, -const bool pretty_print, -const bool ensure_ascii, -const unsigned int indent_step, -const unsigned int current_indent = 0) -{ -switch (val.m_type) -{ -case value_t::object: -{ -if (val.m_value.object->empty()) -{ -o->write_characters("{}", 2); -return; -} - -if (pretty_print) -{ -o->write_characters("{\n", 2); - -// variable to hold indentation for recursive calls -const auto new_indent = current_indent + indent_step; -if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) -{ -indent_string.resize(indent_string.size() * 2, ' '); -} - -// first n-1 elements -auto i = val.m_value.object->cbegin(); -for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) -{ -o->write_characters(indent_string.c_str(), new_indent); -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\": ", 3); -dump(i->second, true, ensure_ascii, indent_step, new_indent); -o->write_characters(",\n", 2); -} - -// last element -JSON_ASSERT(i != val.m_value.object->cend()); -JSON_ASSERT(std::next(i) == val.m_value.object->cend()); -o->write_characters(indent_string.c_str(), new_indent); -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\": ", 3); -dump(i->second, true, ensure_ascii, indent_step, new_indent); - -o->write_character('\n'); -o->write_characters(indent_string.c_str(), current_indent); -o->write_character('}'); -} -else -{ -o->write_character('{'); - -// first n-1 elements -auto i = val.m_value.object->cbegin(); -for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) -{ -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\":", 2); -dump(i->second, false, ensure_ascii, indent_step, current_indent); -o->write_character(','); -} - -// last element -JSON_ASSERT(i != val.m_value.object->cend()); -JSON_ASSERT(std::next(i) == val.m_value.object->cend()); -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\":", 2); -dump(i->second, false, ensure_ascii, indent_step, current_indent); - -o->write_character('}'); -} - -return; -} - -case value_t::array: -{ -if (val.m_value.array->empty()) -{ -o->write_characters("[]", 2); -return; -} - -if (pretty_print) -{ -o->write_characters("[\n", 2); - -// variable to hold indentation for recursive calls -const auto new_indent = current_indent + indent_step; -if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) -{ -indent_string.resize(indent_string.size() * 2, ' '); -} - -// first n-1 elements -for (auto i = val.m_value.array->cbegin(); -i != val.m_value.array->cend() - 1; ++i) -{ -o->write_characters(indent_string.c_str(), new_indent); -dump(*i, true, ensure_ascii, indent_step, new_indent); -o->write_characters(",\n", 2); -} - -// last element -JSON_ASSERT(!val.m_value.array->empty()); -o->write_characters(indent_string.c_str(), new_indent); -dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent); - -o->write_character('\n'); -o->write_characters(indent_string.c_str(), current_indent); -o->write_character(']'); -} -else -{ -o->write_character('['); - -// first n-1 elements -for (auto i = val.m_value.array->cbegin(); -i != val.m_value.array->cend() - 1; ++i) -{ -dump(*i, false, ensure_ascii, indent_step, current_indent); -o->write_character(','); -} - -// last element -JSON_ASSERT(!val.m_value.array->empty()); -dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent); - -o->write_character(']'); -} - -return; -} - -case value_t::string: -{ -o->write_character('\"'); -dump_escaped(*val.m_value.string, ensure_ascii); -o->write_character('\"'); -return; -} - -case value_t::binary: -{ -if (pretty_print) -{ -o->write_characters("{\n", 2); - -// variable to hold indentation for recursive calls -const auto new_indent = current_indent + indent_step; -if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) -{ -indent_string.resize(indent_string.size() * 2, ' '); -} - -o->write_characters(indent_string.c_str(), new_indent); - -o->write_characters("\"bytes\": [", 10); - -if (!val.m_value.binary->empty()) -{ -for (auto i = val.m_value.binary->cbegin(); -i != val.m_value.binary->cend() - 1; ++i) -{ -dump_integer(*i); -o->write_characters(", ", 2); -} -dump_integer(val.m_value.binary->back()); -} - -o->write_characters("],\n", 3); -o->write_characters(indent_string.c_str(), new_indent); - -o->write_characters("\"subtype\": ", 11); -if (val.m_value.binary->has_subtype()) -{ -dump_integer(val.m_value.binary->subtype()); -} -else -{ -o->write_characters("null", 4); -} -o->write_character('\n'); -o->write_characters(indent_string.c_str(), current_indent); -o->write_character('}'); -} -else -{ -o->write_characters("{\"bytes\":[", 10); - -if (!val.m_value.binary->empty()) -{ -for (auto i = val.m_value.binary->cbegin(); -i != val.m_value.binary->cend() - 1; ++i) -{ -dump_integer(*i); -o->write_character(','); -} -dump_integer(val.m_value.binary->back()); -} - -o->write_characters("],\"subtype\":", 12); -if (val.m_value.binary->has_subtype()) -{ -dump_integer(val.m_value.binary->subtype()); -o->write_character('}'); -} -else -{ -o->write_characters("null}", 5); -} -} -return; -} - -case value_t::boolean: -{ -if (val.m_value.boolean) -{ -o->write_characters("true", 4); -} -else -{ -o->write_characters("false", 5); -} -return; -} - -case value_t::number_integer: -{ -dump_integer(val.m_value.number_integer); -return; -} - -case value_t::number_unsigned: -{ -dump_integer(val.m_value.number_unsigned); -return; -} - -case value_t::number_float: -{ -dump_float(val.m_value.number_float); -return; -} - -case value_t::discarded: -{ -o->write_characters("", 11); -return; -} - -case value_t::null: -{ -o->write_characters("null", 4); -return; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -} - -JSON_PRIVATE_UNLESS_TESTED: -/*! - @brief dump escaped string - - Escape a string by replacing certain special characters by a sequence of an - escape character (backslash) and another character and other control - characters by a sequence of "\u" followed by a four-digit hex - representation. The escaped string is written to output stream @a o. - - @param[in] s the string to escape - @param[in] ensure_ascii whether to escape non-ASCII characters with - \uXXXX sequences - - @complexity Linear in the length of string @a s. - */ -void dump_escaped(const string_t& s, const bool ensure_ascii) -{ -std::uint32_t codepoint; -std::uint8_t state = UTF8_ACCEPT; -std::size_t bytes = 0; // number of bytes written to string_buffer - -// number of bytes written at the point of the last valid byte -std::size_t bytes_after_last_accept = 0; -std::size_t undumped_chars = 0; - -for (std::size_t i = 0; i < s.size(); ++i) -{ -const auto byte = static_cast(s[i]); - -switch (decode(state, codepoint, byte)) -{ -case UTF8_ACCEPT: // decode found a new code point -{ -switch (codepoint) -{ -case 0x08: // backspace -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'b'; -break; -} - -case 0x09: // horizontal tab -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 't'; -break; -} - -case 0x0A: // newline -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'n'; -break; -} - -case 0x0C: // formfeed -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'f'; -break; -} - -case 0x0D: // carriage return -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'r'; -break; -} - -case 0x22: // quotation mark -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = '\"'; -break; -} - -case 0x5C: // reverse solidus -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = '\\'; -break; -} - -default: -{ -// escape control characters (0x00..0x1F) or, if -// ensure_ascii parameter is used, non-ASCII characters -if ((codepoint <= 0x1F) || (ensure_ascii && (codepoint >= 0x7F))) -{ -if (codepoint <= 0xFFFF) -{ -(std::snprintf)(string_buffer.data() + bytes, 7, "\\u%04x", -static_cast(codepoint)); -bytes += 6; -} -else -{ -(std::snprintf)(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x", -static_cast(0xD7C0u + (codepoint >> 10u)), -static_cast(0xDC00u + (codepoint & 0x3FFu))); -bytes += 12; -} -} -else -{ -// copy byte to buffer (all previous bytes -// been copied have in default case above) -string_buffer[bytes++] = s[i]; -} -break; -} -} - -// write buffer and reset index; there must be 13 bytes -// left, as this is the maximal number of bytes to be -// written ("\uxxxx\uxxxx\0") for one code point -if (string_buffer.size() - bytes < 13) -{ -o->write_characters(string_buffer.data(), bytes); -bytes = 0; -} - -// remember the byte position of this accept -bytes_after_last_accept = bytes; -undumped_chars = 0; -break; -} - -case UTF8_REJECT: // decode found invalid UTF-8 byte -{ -switch (error_handler) -{ -case error_handler_t::strict: -{ -std::string sn(3, '\0'); -(std::snprintf)(&sn[0], sn.size(), "%.2X", byte); -JSON_THROW(type_error::create(316, "invalid UTF-8 byte at index " + std::to_string(i) + ": 0x" + sn)); -} - -case error_handler_t::ignore: -case error_handler_t::replace: -{ -// in case we saw this character the first time, we -// would like to read it again, because the byte -// may be OK for itself, but just not OK for the -// previous sequence -if (undumped_chars > 0) -{ ---i; -} - -// reset length buffer to the last accepted index; -// thus removing/ignoring the invalid characters -bytes = bytes_after_last_accept; - -if (error_handler == error_handler_t::replace) -{ -// add a replacement character -if (ensure_ascii) -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'u'; -string_buffer[bytes++] = 'f'; -string_buffer[bytes++] = 'f'; -string_buffer[bytes++] = 'f'; -string_buffer[bytes++] = 'd'; -} -else -{ -string_buffer[bytes++] = detail::binary_writer::to_char_type('\xEF'); -string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBF'); -string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBD'); -} - -// write buffer and reset index; there must be 13 bytes -// left, as this is the maximal number of bytes to be -// written ("\uxxxx\uxxxx\0") for one code point -if (string_buffer.size() - bytes < 13) -{ -o->write_characters(string_buffer.data(), bytes); -bytes = 0; -} - -bytes_after_last_accept = bytes; -} - -undumped_chars = 0; - -// continue processing the string -state = UTF8_ACCEPT; -break; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -break; -} - -default: // decode found yet incomplete multi-byte code point -{ -if (!ensure_ascii) -{ -// code point will not be escaped - copy byte to buffer -string_buffer[bytes++] = s[i]; -} -++undumped_chars; -break; -} -} -} - -// we finished processing the string -if (JSON_HEDLEY_LIKELY(state == UTF8_ACCEPT)) -{ -// write buffer -if (bytes > 0) -{ -o->write_characters(string_buffer.data(), bytes); -} -} -else -{ -// we finish reading, but do not accept: string was incomplete -switch (error_handler) -{ -case error_handler_t::strict: -{ -std::string sn(3, '\0'); -(std::snprintf)(&sn[0], sn.size(), "%.2X", static_cast(s.back())); -JSON_THROW(type_error::create(316, "incomplete UTF-8 string; last byte: 0x" + sn)); -} - -case error_handler_t::ignore: -{ -// write all accepted bytes -o->write_characters(string_buffer.data(), bytes_after_last_accept); -break; -} - -case error_handler_t::replace: -{ -// write all accepted bytes -o->write_characters(string_buffer.data(), bytes_after_last_accept); -// add a replacement character -if (ensure_ascii) -{ -o->write_characters("\\ufffd", 6); -} -else -{ -o->write_characters("\xEF\xBF\xBD", 3); -} -break; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -} -} - -private: -/*! - @brief count digits - - Count the number of decimal (base 10) digits for an input unsigned integer. - - @param[in] x unsigned integer number to count its digits - @return number of decimal digits - */ -inline unsigned int count_digits(number_unsigned_t x) noexcept -{ -unsigned int n_digits = 1; -for (;;) -{ -if (x < 10) -{ -return n_digits; -} -if (x < 100) -{ -return n_digits + 1; -} -if (x < 1000) -{ -return n_digits + 2; -} -if (x < 10000) -{ -return n_digits + 3; -} -x = x / 10000u; -n_digits += 4; -} -} - -/*! - @brief dump an integer - - Dump a given integer to output stream @a o. Works internally with - @a number_buffer. - - @param[in] x integer number (signed or unsigned) to dump - @tparam NumberType either @a number_integer_t or @a number_unsigned_t - */ -template < typename NumberType, detail::enable_if_t < -std::is_same::value || -std::is_same::value || -std::is_same::value, -int > = 0 > -void dump_integer(NumberType x) -{ -static constexpr std::array, 100> digits_to_99 -{ -{ -{{'0', '0'}}, {{'0', '1'}}, {{'0', '2'}}, {{'0', '3'}}, {{'0', '4'}}, {{'0', '5'}}, {{'0', '6'}}, {{'0', '7'}}, {{'0', '8'}}, {{'0', '9'}}, -{{'1', '0'}}, {{'1', '1'}}, {{'1', '2'}}, {{'1', '3'}}, {{'1', '4'}}, {{'1', '5'}}, {{'1', '6'}}, {{'1', '7'}}, {{'1', '8'}}, {{'1', '9'}}, -{{'2', '0'}}, {{'2', '1'}}, {{'2', '2'}}, {{'2', '3'}}, {{'2', '4'}}, {{'2', '5'}}, {{'2', '6'}}, {{'2', '7'}}, {{'2', '8'}}, {{'2', '9'}}, -{{'3', '0'}}, {{'3', '1'}}, {{'3', '2'}}, {{'3', '3'}}, {{'3', '4'}}, {{'3', '5'}}, {{'3', '6'}}, {{'3', '7'}}, {{'3', '8'}}, {{'3', '9'}}, -{{'4', '0'}}, {{'4', '1'}}, {{'4', '2'}}, {{'4', '3'}}, {{'4', '4'}}, {{'4', '5'}}, {{'4', '6'}}, {{'4', '7'}}, {{'4', '8'}}, {{'4', '9'}}, -{{'5', '0'}}, {{'5', '1'}}, {{'5', '2'}}, {{'5', '3'}}, {{'5', '4'}}, {{'5', '5'}}, {{'5', '6'}}, {{'5', '7'}}, {{'5', '8'}}, {{'5', '9'}}, -{{'6', '0'}}, {{'6', '1'}}, {{'6', '2'}}, {{'6', '3'}}, {{'6', '4'}}, {{'6', '5'}}, {{'6', '6'}}, {{'6', '7'}}, {{'6', '8'}}, {{'6', '9'}}, -{{'7', '0'}}, {{'7', '1'}}, {{'7', '2'}}, {{'7', '3'}}, {{'7', '4'}}, {{'7', '5'}}, {{'7', '6'}}, {{'7', '7'}}, {{'7', '8'}}, {{'7', '9'}}, -{{'8', '0'}}, {{'8', '1'}}, {{'8', '2'}}, {{'8', '3'}}, {{'8', '4'}}, {{'8', '5'}}, {{'8', '6'}}, {{'8', '7'}}, {{'8', '8'}}, {{'8', '9'}}, -{{'9', '0'}}, {{'9', '1'}}, {{'9', '2'}}, {{'9', '3'}}, {{'9', '4'}}, {{'9', '5'}}, {{'9', '6'}}, {{'9', '7'}}, {{'9', '8'}}, {{'9', '9'}}, -} -}; - -// special case for "0" -if (x == 0) -{ -o->write_character('0'); -return; -} - -// use a pointer to fill the buffer -auto buffer_ptr = number_buffer.begin(); - -const bool is_negative = std::is_same::value && !(x >= 0); // see issue #755 -number_unsigned_t abs_value; - -unsigned int n_chars; - -if (is_negative) -{ -*buffer_ptr = '-'; -abs_value = remove_sign(static_cast(x)); - -// account one more byte for the minus sign -n_chars = 1 + count_digits(abs_value); -} -else -{ -abs_value = static_cast(x); -n_chars = count_digits(abs_value); -} - -// spare 1 byte for '\0' -JSON_ASSERT(n_chars < number_buffer.size() - 1); - -// jump to the end to generate the string from backward -// so we later avoid reversing the result -buffer_ptr += n_chars; - -// Fast int2ascii implementation inspired by "Fastware" talk by Andrei Alexandrescu -// See: https://www.youtube.com/watch?v=o4-CwDo2zpg -while (abs_value >= 100) -{ -const auto digits_index = static_cast((abs_value % 100)); -abs_value /= 100; -*(--buffer_ptr) = digits_to_99[digits_index][1]; -*(--buffer_ptr) = digits_to_99[digits_index][0]; -} - -if (abs_value >= 10) -{ -const auto digits_index = static_cast(abs_value); -*(--buffer_ptr) = digits_to_99[digits_index][1]; -*(--buffer_ptr) = digits_to_99[digits_index][0]; -} -else -{ -*(--buffer_ptr) = static_cast('0' + abs_value); -} - -o->write_characters(number_buffer.data(), n_chars); -} - -/*! - @brief dump a floating-point number - - Dump a given floating-point number to output stream @a o. Works internally - with @a number_buffer. - - @param[in] x floating-point number to dump - */ -void dump_float(number_float_t x) -{ -// NaN / inf -if (!std::isfinite(x)) -{ -o->write_characters("null", 4); -return; -} - -// If number_float_t is an IEEE-754 single or double precision number, -// use the Grisu2 algorithm to produce short numbers which are -// guaranteed to round-trip, using strtof and strtod, resp. -// -// NB: The test below works if == . -static constexpr bool is_ieee_single_or_double -= (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 24 && std::numeric_limits::max_exponent == 128) || -(std::numeric_limits::is_iec559 && std::numeric_limits::digits == 53 && std::numeric_limits::max_exponent == 1024); - -dump_float(x, std::integral_constant()); -} - -void dump_float(number_float_t x, std::true_type /*is_ieee_single_or_double*/) -{ -char* begin = number_buffer.data(); -char* end = ::nlohmann::detail::to_chars(begin, begin + number_buffer.size(), x); - -o->write_characters(begin, static_cast(end - begin)); -} - -void dump_float(number_float_t x, std::false_type /*is_ieee_single_or_double*/) -{ -// get number of digits for a float -> text -> float round-trip -static constexpr auto d = std::numeric_limits::max_digits10; - -// the actual conversion -std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x); - -// negative value indicates an error -JSON_ASSERT(len > 0); -// check if buffer was large enough -JSON_ASSERT(static_cast(len) < number_buffer.size()); - -// erase thousands separator -if (thousands_sep != '\0') -{ -const auto end = std::remove(number_buffer.begin(), -number_buffer.begin() + len, thousands_sep); -std::fill(end, number_buffer.end(), '\0'); -JSON_ASSERT((end - number_buffer.begin()) <= len); -len = (end - number_buffer.begin()); -} - -// convert decimal point to '.' -if (decimal_point != '\0' && decimal_point != '.') -{ -const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point); -if (dec_pos != number_buffer.end()) -{ -*dec_pos = '.'; -} -} - -o->write_characters(number_buffer.data(), static_cast(len)); - -// determine if need to append ".0" -const bool value_is_int_like = -std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1, -[](char c) -{ -return c == '.' || c == 'e'; -}); - -if (value_is_int_like) -{ -o->write_characters(".0", 2); -} -} - -/*! - @brief check whether a string is UTF-8 encoded - - The function checks each byte of a string whether it is UTF-8 encoded. The - result of the check is stored in the @a state parameter. The function must - be called initially with state 0 (accept). State 1 means the string must - be rejected, because the current byte is not allowed. If the string is - completely processed, but the state is non-zero, the string ended - prematurely; that is, the last byte indicated more bytes should have - followed. - - @param[in,out] state the state of the decoding - @param[in,out] codep codepoint (valid only if resulting state is UTF8_ACCEPT) - @param[in] byte next byte to decode - @return new state - - @note The function has been edited: a std::array is used. - - @copyright Copyright (c) 2008-2009 Bjoern Hoehrmann - @sa http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ - */ -static std::uint8_t decode(std::uint8_t& state, std::uint32_t& codep, const std::uint8_t byte) noexcept -{ -static const std::array utf8d = -{ -{ -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00..1F -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20..3F -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 40..5F -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 60..7F -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 80..9F -7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // A0..BF -8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // C0..DF -0xA, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x3, // E0..EF -0xB, 0x6, 0x6, 0x6, 0x5, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, // F0..FF -0x0, 0x1, 0x2, 0x3, 0x5, 0x8, 0x7, 0x1, 0x1, 0x1, 0x4, 0x6, 0x1, 0x1, 0x1, 0x1, // s0..s0 -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, // s1..s2 -1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, // s3..s4 -1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, // s5..s6 -1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // s7..s8 -} -}; - -JSON_ASSERT(byte < utf8d.size()); -const std::uint8_t type = utf8d[byte]; - -codep = (state != UTF8_ACCEPT) -? (byte & 0x3fu) | (codep << 6u) -: (0xFFu >> type) & (byte); - -std::size_t index = 256u + static_cast(state) * 16u + static_cast(type); -JSON_ASSERT(index < 400); -state = utf8d[index]; -return state; -} - -/* - * Overload to make the compiler happy while it is instantiating - * dump_integer for number_unsigned_t. - * Must never be called. - */ -number_unsigned_t remove_sign(number_unsigned_t x) -{ -JSON_ASSERT(false); // LCOV_EXCL_LINE -return x; // LCOV_EXCL_LINE -} - -/* - * Helper function for dump_integer - * - * This function takes a negative signed integer and returns its absolute - * value as unsigned integer. The plus/minus shuffling is necessary as we can - * not directly remove the sign of an arbitrary signed integer as the - * absolute values of INT_MIN and INT_MAX are usually not the same. See - * #1708 for details. - */ -inline number_unsigned_t remove_sign(number_integer_t x) noexcept -{ -JSON_ASSERT(x < 0 && x < (std::numeric_limits::max)()); -return static_cast(-(x + 1)) + 1; -} - -private: -/// the output of the serializer -output_adapter_t o = nullptr; - -/// a (hopefully) large enough character buffer -std::array number_buffer{{}}; - -/// the locale -const std::lconv* loc = nullptr; -/// the locale's thousand separator character -const char thousands_sep = '\0'; -/// the locale's decimal point character -const char decimal_point = '\0'; - -/// string buffer -std::array string_buffer{{}}; - -/// the indentation character -const char indent_char; -/// the indentation string -string_t indent_string; - -/// error_handler how to react on decoding errors -const error_handler_t error_handler; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // less -#include // allocator -#include // pair -#include // vector - -// #include - - -namespace nlohmann -{ - -/// ordered_map: a minimal map-like container that preserves insertion order -/// for use within nlohmann::basic_json -template , -class Allocator = std::allocator>> -struct ordered_map : std::vector, Allocator> -{ -using key_type = Key; -using mapped_type = T; -using Container = std::vector, Allocator>; -using typename Container::iterator; -using typename Container::const_iterator; -using typename Container::size_type; -using typename Container::value_type; - -// Explicit constructors instead of `using Container::Container` -// otherwise older compilers choke on it (GCC <= 5.5, xcode <= 9.4) -ordered_map(const Allocator& alloc = Allocator()) : Container{alloc} {} -template -ordered_map(It first, It last, const Allocator& alloc = Allocator()) -: Container{first, last, alloc} {} -ordered_map(std::initializer_list init, const Allocator& alloc = Allocator() ) -: Container{init, alloc} {} - -std::pair emplace(const key_type& key, T&& t) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return {it, false}; -} -} -Container::emplace_back(key, t); -return {--this->end(), true}; -} - -T& operator[](const Key& key) -{ -return emplace(key, T{}).first->second; -} - -const T& operator[](const Key& key) const -{ -return at(key); -} - -T& at(const Key& key) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it->second; -} -} - -JSON_THROW(std::out_of_range("key not found")); -} - -const T& at(const Key& key) const -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it->second; -} -} - -JSON_THROW(std::out_of_range("key not found")); -} - -size_type erase(const Key& key) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -// Since we cannot move const Keys, re-construct them in place -for (auto next = it; ++next != this->end(); ++it) -{ -it->~value_type(); // Destroy but keep allocation -new (&*it) value_type{std::move(*next)}; -} -Container::pop_back(); -return 1; -} -} -return 0; -} - -iterator erase(iterator pos) -{ -auto it = pos; - -// Since we cannot move const Keys, re-construct them in place -for (auto next = it; ++next != this->end(); ++it) -{ -it->~value_type(); // Destroy but keep allocation -new (&*it) value_type{std::move(*next)}; -} -Container::pop_back(); -return pos; -} - -size_type count(const Key& key) const -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return 1; -} -} -return 0; -} - -iterator find(const Key& key) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it; -} -} -return Container::end(); -} - -const_iterator find(const Key& key) const -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it; -} -} -return Container::end(); -} - -std::pair insert( value_type&& value ) -{ -return emplace(value.first, std::move(value.second)); -} - -std::pair insert( const value_type& value ) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == value.first) -{ -return {it, false}; -} -} -Container::push_back(value); -return {--this->end(), true}; -} - -template -using require_input_iter = typename std::enable_if::iterator_category, -std::input_iterator_tag>::value>::type; - -template> -void insert(InputIt first, InputIt last) -{ -for (auto it = first; it != last; ++it) -{ -insert(*it); -} -} -}; - -} // namespace nlohmann - - -#if defined(JSON_HAS_CPP_17) -#include -#endif - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ - -/*! -@brief a class to store JSON values - -@tparam ObjectType type for JSON objects (`std::map` by default; will be used -in @ref object_t) -@tparam ArrayType type for JSON arrays (`std::vector` by default; will be used -in @ref array_t) -@tparam StringType type for JSON strings and object keys (`std::string` by -default; will be used in @ref string_t) -@tparam BooleanType type for JSON booleans (`bool` by default; will be used -in @ref boolean_t) -@tparam NumberIntegerType type for JSON integer numbers (`int64_t` by -default; will be used in @ref number_integer_t) -@tparam NumberUnsignedType type for JSON unsigned integer numbers (@c -`uint64_t` by default; will be used in @ref number_unsigned_t) -@tparam NumberFloatType type for JSON floating-point numbers (`double` by -default; will be used in @ref number_float_t) -@tparam BinaryType type for packed binary data for compatibility with binary -serialization formats (`std::vector` by default; will be used in -@ref binary_t) -@tparam AllocatorType type of the allocator to use (`std::allocator` by -default) -@tparam JSONSerializer the serializer to resolve internal calls to `to_json()` -and `from_json()` (@ref adl_serializer by default) - -@requirement The class satisfies the following concept requirements: -- Basic - - [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible): - JSON values can be default constructed. The result will be a JSON null - value. - - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible): - A JSON value can be constructed from an rvalue argument. - - [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible): - A JSON value can be copy-constructed from an lvalue expression. - - [MoveAssignable](https://en.cppreference.com/w/cpp/named_req/MoveAssignable): - A JSON value van be assigned from an rvalue argument. - - [CopyAssignable](https://en.cppreference.com/w/cpp/named_req/CopyAssignable): - A JSON value can be copy-assigned from an lvalue expression. - - [Destructible](https://en.cppreference.com/w/cpp/named_req/Destructible): - JSON values can be destructed. -- Layout - - [StandardLayoutType](https://en.cppreference.com/w/cpp/named_req/StandardLayoutType): - JSON values have - [standard layout](https://en.cppreference.com/w/cpp/language/data_members#Standard_layout): - All non-static data members are private and standard layout types, the - class has no virtual functions or (virtual) base classes. -- Library-wide - - [EqualityComparable](https://en.cppreference.com/w/cpp/named_req/EqualityComparable): - JSON values can be compared with `==`, see @ref - operator==(const_reference,const_reference). - - [LessThanComparable](https://en.cppreference.com/w/cpp/named_req/LessThanComparable): - JSON values can be compared with `<`, see @ref - operator<(const_reference,const_reference). - - [Swappable](https://en.cppreference.com/w/cpp/named_req/Swappable): - Any JSON lvalue or rvalue of can be swapped with any lvalue or rvalue of - other compatible types, using unqualified function call @ref swap(). - - [NullablePointer](https://en.cppreference.com/w/cpp/named_req/NullablePointer): - JSON values can be compared against `std::nullptr_t` objects which are used - to model the `null` value. -- Container - - [Container](https://en.cppreference.com/w/cpp/named_req/Container): - JSON values can be used like STL containers and provide iterator access. - - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer); - JSON values can be used like STL containers and provide reverse iterator - access. - -@invariant The member variables @a m_value and @a m_type have the following -relationship: -- If `m_type == value_t::object`, then `m_value.object != nullptr`. -- If `m_type == value_t::array`, then `m_value.array != nullptr`. -- If `m_type == value_t::string`, then `m_value.string != nullptr`. -The invariants are checked by member function assert_invariant(). - -@internal -@note ObjectType trick from https://stackoverflow.com/a/9860911 -@endinternal - -@see [RFC 7159: The JavaScript Object Notation (JSON) Data Interchange -Format](http://rfc7159.net/rfc7159) - -@since version 1.0.0 - -@nosubgrouping -*/ -NLOHMANN_BASIC_JSON_TPL_DECLARATION -class basic_json -{ -private: -template friend struct detail::external_constructor; -friend ::nlohmann::json_pointer; - -template -friend class ::nlohmann::detail::parser; -friend ::nlohmann::detail::serializer; -template -friend class ::nlohmann::detail::iter_impl; -template -friend class ::nlohmann::detail::binary_writer; -template -friend class ::nlohmann::detail::binary_reader; -template -friend class ::nlohmann::detail::json_sax_dom_parser; -template -friend class ::nlohmann::detail::json_sax_dom_callback_parser; - -/// workaround type for MSVC -using basic_json_t = NLOHMANN_BASIC_JSON_TPL; - -JSON_PRIVATE_UNLESS_TESTED: -// convenience aliases for types residing in namespace detail; -using lexer = ::nlohmann::detail::lexer_base; - -template -static ::nlohmann::detail::parser parser( -InputAdapterType adapter, -detail::parser_callback_tcb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false -) -{ -return ::nlohmann::detail::parser(std::move(adapter), -std::move(cb), allow_exceptions, ignore_comments); -} - -private: -using primitive_iterator_t = ::nlohmann::detail::primitive_iterator_t; -template -using internal_iterator = ::nlohmann::detail::internal_iterator; -template -using iter_impl = ::nlohmann::detail::iter_impl; -template -using iteration_proxy = ::nlohmann::detail::iteration_proxy; -template using json_reverse_iterator = ::nlohmann::detail::json_reverse_iterator; - -template -using output_adapter_t = ::nlohmann::detail::output_adapter_t; - -template -using binary_reader = ::nlohmann::detail::binary_reader; -template using binary_writer = ::nlohmann::detail::binary_writer; - -JSON_PRIVATE_UNLESS_TESTED: -using serializer = ::nlohmann::detail::serializer; - -public: -using value_t = detail::value_t; -/// JSON Pointer, see @ref nlohmann::json_pointer -using json_pointer = ::nlohmann::json_pointer; -template -using json_serializer = JSONSerializer; -/// how to treat decoding errors -using error_handler_t = detail::error_handler_t; -/// how to treat CBOR tags -using cbor_tag_handler_t = detail::cbor_tag_handler_t; -/// helper type for initializer lists of basic_json values -using initializer_list_t = std::initializer_list>; - -using input_format_t = detail::input_format_t; -/// SAX interface type, see @ref nlohmann::json_sax -using json_sax_t = json_sax; - -//////////////// -// exceptions // -//////////////// - -/// @name exceptions -/// Classes to implement user-defined exceptions. -/// @{ - -/// @copydoc detail::exception -using exception = detail::exception; -/// @copydoc detail::parse_error -using parse_error = detail::parse_error; -/// @copydoc detail::invalid_iterator -using invalid_iterator = detail::invalid_iterator; -/// @copydoc detail::type_error -using type_error = detail::type_error; -/// @copydoc detail::out_of_range -using out_of_range = detail::out_of_range; -/// @copydoc detail::other_error -using other_error = detail::other_error; - -/// @} - - -///////////////////// -// container types // -///////////////////// - -/// @name container types -/// The canonic container types to use @ref basic_json like any other STL -/// container. -/// @{ - -/// the type of elements in a basic_json container -using value_type = basic_json; - -/// the type of an element reference -using reference = value_type&; -/// the type of an element const reference -using const_reference = const value_type&; - -/// a type to represent differences between iterators -using difference_type = std::ptrdiff_t; -/// a type to represent container sizes -using size_type = std::size_t; - -/// the allocator type -using allocator_type = AllocatorType; - -/// the type of an element pointer -using pointer = typename std::allocator_traits::pointer; -/// the type of an element const pointer -using const_pointer = typename std::allocator_traits::const_pointer; - -/// an iterator for a basic_json container -using iterator = iter_impl; -/// a const iterator for a basic_json container -using const_iterator = iter_impl; -/// a reverse iterator for a basic_json container -using reverse_iterator = json_reverse_iterator; -/// a const reverse iterator for a basic_json container -using const_reverse_iterator = json_reverse_iterator; - -/// @} - - -/*! - @brief returns the allocator associated with the container - */ -static allocator_type get_allocator() -{ -return allocator_type(); -} - -/*! - @brief returns version information on the library - - This function returns a JSON object with information about the library, - including the version number and information on the platform and compiler. - - @return JSON object holding version information - key | description - ----------- | --------------- - `compiler` | Information on the used compiler. It is an object with the following keys: `c++` (the used C++ standard), `family` (the compiler family; possible values are `clang`, `icc`, `gcc`, `ilecpp`, `msvc`, `pgcpp`, `sunpro`, and `unknown`), and `version` (the compiler version). - `copyright` | The copyright line for the library as string. - `name` | The name of the library as string. - `platform` | The used platform as string. Possible values are `win32`, `linux`, `apple`, `unix`, and `unknown`. - `url` | The URL of the project as string. - `version` | The version of the library. It is an object with the following keys: `major`, `minor`, and `patch` as defined by [Semantic Versioning](http://semver.org), and `string` (the version string). - - @liveexample{The following code shows an example output of the `meta()` - function.,meta} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @complexity Constant. - - @since 2.1.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json meta() -{ -basic_json result; - -result["copyright"] = "(C) 2013-2020 Niels Lohmann"; -result["name"] = "JSON for Modern C++"; -result["url"] = "https://github.com/nlohmann/json"; -result["version"]["string"] = -std::to_string(NLOHMANN_JSON_VERSION_MAJOR) + "." + -std::to_string(NLOHMANN_JSON_VERSION_MINOR) + "." + -std::to_string(NLOHMANN_JSON_VERSION_PATCH); -result["version"]["major"] = NLOHMANN_JSON_VERSION_MAJOR; -result["version"]["minor"] = NLOHMANN_JSON_VERSION_MINOR; -result["version"]["patch"] = NLOHMANN_JSON_VERSION_PATCH; - -#ifdef _WIN32 -result["platform"] = "win32"; -#elif defined __linux__ -result["platform"] = "linux"; -#elif defined __APPLE__ -result["platform"] = "apple"; -#elif defined __unix__ -result["platform"] = "unix"; -#else -result["platform"] = "unknown"; -#endif - -#if defined(__ICC) || defined(__INTEL_COMPILER) -result["compiler"] = {{"family", "icc"}, {"version", __INTEL_COMPILER}}; -#elif defined(__clang__) -result["compiler"] = {{"family", "clang"}, {"version", __clang_version__}}; -#elif defined(__GNUC__) || defined(__GNUG__) -result["compiler"] = {{"family", "gcc"}, {"version", std::to_string(__GNUC__) + "." + std::to_string(__GNUC_MINOR__) + "." + std::to_string(__GNUC_PATCHLEVEL__)}}; -#elif defined(__HP_cc) || defined(__HP_aCC) -result["compiler"] = "hp" -#elif defined(__IBMCPP__) -result["compiler"] = {{"family", "ilecpp"}, {"version", __IBMCPP__}}; -#elif defined(_MSC_VER) -result["compiler"] = {{"family", "msvc"}, {"version", _MSC_VER}}; -#elif defined(__PGI) -result["compiler"] = {{"family", "pgcpp"}, {"version", __PGI}}; -#elif defined(__SUNPRO_CC) -result["compiler"] = {{"family", "sunpro"}, {"version", __SUNPRO_CC}}; -#else -result["compiler"] = {{"family", "unknown"}, {"version", "unknown"}}; -#endif - -#ifdef __cplusplus -result["compiler"]["c++"] = std::to_string(__cplusplus); -#else -result["compiler"]["c++"] = "unknown"; -#endif -return result; -} - - -/////////////////////////// -// JSON value data types // -/////////////////////////// - -/// @name JSON value data types -/// The data types to store a JSON value. These types are derived from -/// the template arguments passed to class @ref basic_json. -/// @{ - -#if defined(JSON_HAS_CPP_14) -// Use transparent comparator if possible, combined with perfect forwarding -// on find() and count() calls prevents unnecessary string construction. -using object_comparator_t = std::less<>; -#else -using object_comparator_t = std::less; -#endif - -/*! - @brief a type for an object - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON objects as follows: - > An object is an unordered collection of zero or more name/value pairs, - > where a name is a string and a value is a string, number, boolean, null, - > object, or array. - - To store objects in C++, a type is defined by the template parameters - described below. - - @tparam ObjectType the container to store objects (e.g., `std::map` or - `std::unordered_map`) - @tparam StringType the type of the keys or names (e.g., `std::string`). - The comparison function `std::less` is used to order elements - inside the container. - @tparam AllocatorType the allocator to use for objects (e.g., - `std::allocator`) - - #### Default type - - With the default values for @a ObjectType (`std::map`), @a StringType - (`std::string`), and @a AllocatorType (`std::allocator`), the default - value for @a object_t is: - - @code {.cpp} - std::map< - std::string, // key_type - basic_json, // value_type - std::less, // key_compare - std::allocator> // allocator_type - > - @endcode - - #### Behavior - - The choice of @a object_t influences the behavior of the JSON class. With - the default type, objects have the following behavior: - - - When all names are unique, objects will be interoperable in the sense - that all software implementations receiving that object will agree on - the name-value mappings. - - When the names within an object are not unique, it is unspecified which - one of the values for a given key will be chosen. For instance, - `{"key": 2, "key": 1}` could be equal to either `{"key": 1}` or - `{"key": 2}`. - - Internally, name/value pairs are stored in lexicographical order of the - names. Objects will also be serialized (see @ref dump) in this order. - For instance, `{"b": 1, "a": 2}` and `{"a": 2, "b": 1}` will be stored - and serialized as `{"a": 2, "b": 1}`. - - When comparing objects, the order of the name/value pairs is irrelevant. - This makes objects interoperable in the sense that they will not be - affected by these differences. For instance, `{"b": 1, "a": 2}` and - `{"a": 2, "b": 1}` will be treated as equal. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the object's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON object. - - #### Storage - - Objects are stored as pointers in a @ref basic_json type. That is, for any - access to object values, a pointer of type `object_t*` must be - dereferenced. - - @sa @ref array_t -- type for an array value - - @since version 1.0.0 - - @note The order name/value pairs are added to the object is *not* - preserved by the library. Therefore, iterating an object may return - name/value pairs in a different order than they were originally stored. In - fact, keys will be traversed in alphabetical order as `std::map` with - `std::less` is used by default. Please note this behavior conforms to [RFC - 7159](http://rfc7159.net/rfc7159), because any order implements the - specified "unordered" nature of JSON objects. - */ -using object_t = ObjectType>>; - -/*! - @brief a type for an array - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON arrays as follows: - > An array is an ordered sequence of zero or more values. - - To store objects in C++, a type is defined by the template parameters - explained below. - - @tparam ArrayType container type to store arrays (e.g., `std::vector` or - `std::list`) - @tparam AllocatorType allocator to use for arrays (e.g., `std::allocator`) - - #### Default type - - With the default values for @a ArrayType (`std::vector`) and @a - AllocatorType (`std::allocator`), the default value for @a array_t is: - - @code {.cpp} - std::vector< - basic_json, // value_type - std::allocator // allocator_type - > - @endcode - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the array's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON array. - - #### Storage - - Arrays are stored as pointers in a @ref basic_json type. That is, for any - access to array values, a pointer of type `array_t*` must be dereferenced. - - @sa @ref object_t -- type for an object value - - @since version 1.0.0 - */ -using array_t = ArrayType>; - -/*! - @brief a type for a string - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON strings as follows: - > A string is a sequence of zero or more Unicode characters. - - To store objects in C++, a type is defined by the template parameter - described below. Unicode values are split by the JSON class into - byte-sized characters during deserialization. - - @tparam StringType the container to store strings (e.g., `std::string`). - Note this container is used for keys/names in objects, see @ref object_t. - - #### Default type - - With the default values for @a StringType (`std::string`), the default - value for @a string_t is: - - @code {.cpp} - std::string - @endcode - - #### Encoding - - Strings are stored in UTF-8 encoding. Therefore, functions like - `std::string::size()` or `std::string::length()` return the number of - bytes in the string rather than the number of characters or glyphs. - - #### String comparison - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > Software implementations are typically required to test names of object - > members for equality. Implementations that transform the textual - > representation into sequences of Unicode code units and then perform the - > comparison numerically, code unit by code unit, are interoperable in the - > sense that implementations will agree in all cases on equality or - > inequality of two strings. For example, implementations that compare - > strings with escaped characters unconverted may incorrectly find that - > `"a\\b"` and `"a\u005Cb"` are not equal. - - This implementation is interoperable as it does compare strings code unit - by code unit. - - #### Storage - - String values are stored as pointers in a @ref basic_json type. That is, - for any access to string values, a pointer of type `string_t*` must be - dereferenced. - - @since version 1.0.0 - */ -using string_t = StringType; - -/*! - @brief a type for a boolean - - [RFC 7159](http://rfc7159.net/rfc7159) implicitly describes a boolean as a - type which differentiates the two literals `true` and `false`. - - To store objects in C++, a type is defined by the template parameter @a - BooleanType which chooses the type to use. - - #### Default type - - With the default values for @a BooleanType (`bool`), the default value for - @a boolean_t is: - - @code {.cpp} - bool - @endcode - - #### Storage - - Boolean values are stored directly inside a @ref basic_json type. - - @since version 1.0.0 - */ -using boolean_t = BooleanType; - -/*! - @brief a type for a number (integer) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store integer numbers in C++, a type is defined by the template - parameter @a NumberIntegerType which chooses the type to use. - - #### Default type - - With the default values for @a NumberIntegerType (`int64_t`), the default - value for @a number_integer_t is: - - @code {.cpp} - int64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `9223372036854775807` (INT64_MAX) and the minimal integer number - that can be stored is `-9223372036854775808` (INT64_MIN). Integer numbers - that are out of range will yield over/underflow when used in a - constructor. During deserialization, too large or small integer numbers - will be automatically be stored as @ref number_unsigned_t or @ref - number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange of the exactly supported range [INT64_MIN, - INT64_MAX], this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ -using number_integer_t = NumberIntegerType; - -/*! - @brief a type for a number (unsigned) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store unsigned integer numbers in C++, a type is defined by the - template parameter @a NumberUnsignedType which chooses the type to use. - - #### Default type - - With the default values for @a NumberUnsignedType (`uint64_t`), the - default value for @a number_unsigned_t is: - - @code {.cpp} - uint64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `18446744073709551615` (UINT64_MAX) and the minimal integer - number that can be stored is `0`. Integer numbers that are out of range - will yield over/underflow when used in a constructor. During - deserialization, too large or small integer numbers will be automatically - be stored as @ref number_integer_t or @ref number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange (when considered in conjunction with the - number_integer_t type) of the exactly supported range [0, UINT64_MAX], - this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - @sa @ref number_integer_t -- type for number values (integer) - - @since version 2.0.0 - */ -using number_unsigned_t = NumberUnsignedType; - -/*! - @brief a type for a number (floating-point) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store floating-point numbers in C++, a type is defined by the template - parameter @a NumberFloatType which chooses the type to use. - - #### Default type - - With the default values for @a NumberFloatType (`double`), the default - value for @a number_float_t is: - - @code {.cpp} - double - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in floating-point literals will be ignored. Internally, - the value will be stored as decimal number. For instance, the C++ - floating-point literal `01.2` will be serialized to `1.2`. During - deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > This specification allows implementations to set limits on the range and - > precision of numbers accepted. Since software that implements IEEE - > 754-2008 binary64 (double precision) numbers is generally available and - > widely used, good interoperability can be achieved by implementations - > that expect no more precision or range than these provide, in the sense - > that implementations will approximate JSON numbers within the expected - > precision. - - This implementation does exactly follow this approach, as it uses double - precision floating-point numbers. Note values smaller than - `-1.79769313486232e+308` and values greater than `1.79769313486232e+308` - will be stored as NaN internally and be serialized to `null`. - - #### Storage - - Floating-point number values are stored directly inside a @ref basic_json - type. - - @sa @ref number_integer_t -- type for number values (integer) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ -using number_float_t = NumberFloatType; - -/*! - @brief a type for a packed binary type - - This type is a type designed to carry binary data that appears in various - serialized formats, such as CBOR's Major Type 2, MessagePack's bin, and - BSON's generic binary subtype. This type is NOT a part of standard JSON and - exists solely for compatibility with these binary types. As such, it is - simply defined as an ordered sequence of zero or more byte values. - - Additionally, as an implementation detail, the subtype of the binary data is - carried around as a `std::uint8_t`, which is compatible with both of the - binary data formats that use binary subtyping, (though the specific - numbering is incompatible with each other, and it is up to the user to - translate between them). - - [CBOR's RFC 7049](https://tools.ietf.org/html/rfc7049) describes this type - as: - > Major type 2: a byte string. The string's length in bytes is represented - > following the rules for positive integers (major type 0). - - [MessagePack's documentation on the bin type - family](https://github.com/msgpack/msgpack/blob/master/spec.md#bin-format-family) - describes this type as: - > Bin format family stores an byte array in 2, 3, or 5 bytes of extra bytes - > in addition to the size of the byte array. - - [BSON's specifications](http://bsonspec.org/spec.html) describe several - binary types; however, this type is intended to represent the generic binary - type which has the description: - > Generic binary subtype - This is the most commonly used binary subtype and - > should be the 'default' for drivers and tools. - - None of these impose any limitations on the internal representation other - than the basic unit of storage be some type of array whose parts are - decomposable into bytes. - - The default representation of this binary format is a - `std::vector`, which is a very common way to represent a byte - array in modern C++. - - #### Default type - - The default values for @a BinaryType is `std::vector` - - #### Storage - - Binary Arrays are stored as pointers in a @ref basic_json type. That is, - for any access to array values, a pointer of the type `binary_t*` must be - dereferenced. - - #### Notes on subtypes - - - CBOR - - Binary values are represented as byte strings. No subtypes are - supported and will be ignored when CBOR is written. - - MessagePack - - If a subtype is given and the binary array contains exactly 1, 2, 4, 8, - or 16 elements, the fixext family (fixext1, fixext2, fixext4, fixext8) - is used. For other sizes, the ext family (ext8, ext16, ext32) is used. - The subtype is then added as singed 8-bit integer. - - If no subtype is given, the bin family (bin8, bin16, bin32) is used. - - BSON - - If a subtype is given, it is used and added as unsigned 8-bit integer. - - If no subtype is given, the generic binary subtype 0x00 is used. - - @sa @ref binary -- create a binary array - - @since version 3.8.0 - */ -using binary_t = nlohmann::byte_container_with_subtype; -/// @} - -private: - -/// helper for exception-safe object creation -template -JSON_HEDLEY_RETURNS_NON_NULL -static T* create(Args&& ... args) -{ -AllocatorType alloc; -using AllocatorTraits = std::allocator_traits>; - -auto deleter = [&](T * obj) -{ -AllocatorTraits::deallocate(alloc, obj, 1); -}; -std::unique_ptr obj(AllocatorTraits::allocate(alloc, 1), deleter); -AllocatorTraits::construct(alloc, obj.get(), std::forward(args)...); -JSON_ASSERT(obj != nullptr); -return obj.release(); -} - -//////////////////////// -// JSON value storage // -//////////////////////// - -JSON_PRIVATE_UNLESS_TESTED: -/*! - @brief a JSON value - - The actual storage for a JSON value of the @ref basic_json class. This - union combines the different storage types for the JSON value types - defined in @ref value_t. - - JSON type | value_t type | used type - --------- | --------------- | ------------------------ - object | object | pointer to @ref object_t - array | array | pointer to @ref array_t - string | string | pointer to @ref string_t - boolean | boolean | @ref boolean_t - number | number_integer | @ref number_integer_t - number | number_unsigned | @ref number_unsigned_t - number | number_float | @ref number_float_t - binary | binary | pointer to @ref binary_t - null | null | *no value is stored* - - @note Variable-length types (objects, arrays, and strings) are stored as - pointers. The size of the union should not exceed 64 bits if the default - value types are used. - - @since version 1.0.0 - */ -union json_value -{ -/// object (stored with pointer to save storage) -object_t* object; -/// array (stored with pointer to save storage) -array_t* array; -/// string (stored with pointer to save storage) -string_t* string; -/// binary (stored with pointer to save storage) -binary_t* binary; -/// boolean -boolean_t boolean; -/// number (integer) -number_integer_t number_integer; -/// number (unsigned integer) -number_unsigned_t number_unsigned; -/// number (floating-point) -number_float_t number_float; - -/// default constructor (for null values) -json_value() = default; -/// constructor for booleans -json_value(boolean_t v) noexcept : boolean(v) {} -/// constructor for numbers (integer) -json_value(number_integer_t v) noexcept : number_integer(v) {} -/// constructor for numbers (unsigned) -json_value(number_unsigned_t v) noexcept : number_unsigned(v) {} -/// constructor for numbers (floating-point) -json_value(number_float_t v) noexcept : number_float(v) {} -/// constructor for empty values of a given type -json_value(value_t t) -{ -switch (t) -{ -case value_t::object: -{ -object = create(); -break; -} - -case value_t::array: -{ -array = create(); -break; -} - -case value_t::string: -{ -string = create(""); -break; -} - -case value_t::binary: -{ -binary = create(); -break; -} - -case value_t::boolean: -{ -boolean = boolean_t(false); -break; -} - -case value_t::number_integer: -{ -number_integer = number_integer_t(0); -break; -} - -case value_t::number_unsigned: -{ -number_unsigned = number_unsigned_t(0); -break; -} - -case value_t::number_float: -{ -number_float = number_float_t(0.0); -break; -} - -case value_t::null: -{ -object = nullptr; // silence warning, see #821 -break; -} - -default: -{ -object = nullptr; // silence warning, see #821 -if (JSON_HEDLEY_UNLIKELY(t == value_t::null)) -{ -JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.9.1")); // LCOV_EXCL_LINE -} -break; -} -} -} - -/// constructor for strings -json_value(const string_t& value) -{ -string = create(value); -} - -/// constructor for rvalue strings -json_value(string_t&& value) -{ -string = create(std::move(value)); -} - -/// constructor for objects -json_value(const object_t& value) -{ -object = create(value); -} - -/// constructor for rvalue objects -json_value(object_t&& value) -{ -object = create(std::move(value)); -} - -/// constructor for arrays -json_value(const array_t& value) -{ -array = create(value); -} - -/// constructor for rvalue arrays -json_value(array_t&& value) -{ -array = create(std::move(value)); -} - -/// constructor for binary arrays -json_value(const typename binary_t::container_type& value) -{ -binary = create(value); -} - -/// constructor for rvalue binary arrays -json_value(typename binary_t::container_type&& value) -{ -binary = create(std::move(value)); -} - -/// constructor for binary arrays (internal type) -json_value(const binary_t& value) -{ -binary = create(value); -} - -/// constructor for rvalue binary arrays (internal type) -json_value(binary_t&& value) -{ -binary = create(std::move(value)); -} - -void destroy(value_t t) noexcept -{ -// flatten the current json_value to a heap-allocated stack -std::vector stack; - -// move the top-level items to stack -if (t == value_t::array) -{ -stack.reserve(array->size()); -std::move(array->begin(), array->end(), std::back_inserter(stack)); -} -else if (t == value_t::object) -{ -stack.reserve(object->size()); -for (auto&& it : *object) -{ -stack.push_back(std::move(it.second)); -} -} - -while (!stack.empty()) -{ -// move the last item to local variable to be processed -basic_json current_item(std::move(stack.back())); -stack.pop_back(); - -// if current_item is array/object, move -// its children to the stack to be processed later -if (current_item.is_array()) -{ -std::move(current_item.m_value.array->begin(), current_item.m_value.array->end(), -std::back_inserter(stack)); - -current_item.m_value.array->clear(); -} -else if (current_item.is_object()) -{ -for (auto&& it : *current_item.m_value.object) -{ -stack.push_back(std::move(it.second)); -} - -current_item.m_value.object->clear(); -} - -// it's now safe that current_item get destructed -// since it doesn't have any children -} - -switch (t) -{ -case value_t::object: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, object); -std::allocator_traits::deallocate(alloc, object, 1); -break; -} - -case value_t::array: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, array); -std::allocator_traits::deallocate(alloc, array, 1); -break; -} - -case value_t::string: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, string); -std::allocator_traits::deallocate(alloc, string, 1); -break; -} - -case value_t::binary: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, binary); -std::allocator_traits::deallocate(alloc, binary, 1); -break; -} - -default: -{ -break; -} -} -} -}; - -private: -/*! - @brief checks the class invariants - - This function asserts the class invariants. It needs to be called at the - end of every constructor to make sure that created objects respect the - invariant. Furthermore, it has to be called each time the type of a JSON - value is changed, because the invariant expresses a relationship between - @a m_type and @a m_value. - */ -void assert_invariant() const noexcept -{ -JSON_ASSERT(m_type != value_t::object || m_value.object != nullptr); -JSON_ASSERT(m_type != value_t::array || m_value.array != nullptr); -JSON_ASSERT(m_type != value_t::string || m_value.string != nullptr); -JSON_ASSERT(m_type != value_t::binary || m_value.binary != nullptr); -} - -public: -////////////////////////// -// JSON parser callback // -////////////////////////// - -/*! - @brief parser event types - - The parser callback distinguishes the following events: - - `object_start`: the parser read `{` and started to process a JSON object - - `key`: the parser read a key of a value in an object - - `object_end`: the parser read `}` and finished processing a JSON object - - `array_start`: the parser read `[` and started to process a JSON array - - `array_end`: the parser read `]` and finished processing a JSON array - - `value`: the parser finished reading a JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - @sa @ref parser_callback_t for more information and examples - */ -using parse_event_t = detail::parse_event_t; - -/*! - @brief per-element parser callback type - - With a parser callback function, the result of parsing a JSON text can be - influenced. When passed to @ref parse, it is called on certain events - (passed as @ref parse_event_t via parameter @a event) with a set recursion - depth @a depth and context JSON value @a parsed. The return value of the - callback function is a boolean indicating whether the element that emitted - the callback shall be kept or not. - - We distinguish six scenarios (determined by the event type) in which the - callback function can be called. The following table describes the values - of the parameters @a depth, @a event, and @a parsed. - - parameter @a event | description | parameter @a depth | parameter @a parsed - ------------------ | ----------- | ------------------ | ------------------- - parse_event_t::object_start | the parser read `{` and started to process a JSON object | depth of the parent of the JSON object | a JSON value with type discarded - parse_event_t::key | the parser read a key of a value in an object | depth of the currently parsed JSON object | a JSON string containing the key - parse_event_t::object_end | the parser read `}` and finished processing a JSON object | depth of the parent of the JSON object | the parsed JSON object - parse_event_t::array_start | the parser read `[` and started to process a JSON array | depth of the parent of the JSON array | a JSON value with type discarded - parse_event_t::array_end | the parser read `]` and finished processing a JSON array | depth of the parent of the JSON array | the parsed JSON array - parse_event_t::value | the parser finished reading a JSON value | depth of the value | the parsed JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - Discarding a value (i.e., returning `false`) has different effects - depending on the context in which function was called: - - - Discarded values in structured types are skipped. That is, the parser - will behave as if the discarded value was never read. - - In case a value outside a structured type is skipped, it is replaced - with `null`. This case happens if the top-level element is skipped. - - @param[in] depth the depth of the recursion during parsing - - @param[in] event an event of type parse_event_t indicating the context in - the callback function has been called - - @param[in,out] parsed the current intermediate parse result; note that - writing to this value has no effect for parse_event_t::key events - - @return Whether the JSON value which called the function during parsing - should be kept (`true`) or not (`false`). In the latter case, it is either - skipped completely or replaced by an empty discarded object. - - @sa @ref parse for examples - - @since version 1.0.0 - */ -using parser_callback_t = detail::parser_callback_t; - -////////////////// -// constructors // -////////////////// - -/// @name constructors and destructors -/// Constructors of class @ref basic_json, copy/move constructor, copy -/// assignment, static functions creating objects, and the destructor. -/// @{ - -/*! - @brief create an empty value with a given type - - Create an empty JSON value with a given type. The value will be default - initialized with an empty value which depends on the type: - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - object | `{}` - array | `[]` - binary | empty array - - @param[in] v the type of the value to create - - @complexity Constant. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows the constructor for different @ref - value_t values,basic_json__value_t} - - @sa @ref clear() -- restores the postcondition of this constructor - - @since version 1.0.0 - */ -basic_json(const value_t v) -: m_type(v), m_value(v) -{ -assert_invariant(); -} - -/*! - @brief create a null object - - Create a `null` JSON value. It either takes a null pointer as parameter - (explicitly creating `null`) or no parameter (implicitly creating `null`). - The passed null pointer itself is not read -- it is only used to choose - the right constructor. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @liveexample{The following code shows the constructor with and without a - null pointer parameter.,basic_json__nullptr_t} - - @since version 1.0.0 - */ -basic_json(std::nullptr_t = nullptr) noexcept -: basic_json(value_t::null) -{ -assert_invariant(); -} - -/*! - @brief create a JSON value - - This is a "catch all" constructor for all compatible JSON types; that is, - types for which a `to_json()` method exists. The constructor forwards the - parameter @a val to that method (to `json_serializer::to_json` method - with `U = uncvref_t`, to be exact). - - Template type @a CompatibleType includes, but is not limited to, the - following types: - - **arrays**: @ref array_t and all kinds of compatible containers such as - `std::vector`, `std::deque`, `std::list`, `std::forward_list`, - `std::array`, `std::valarray`, `std::set`, `std::unordered_set`, - `std::multiset`, and `std::unordered_multiset` with a `value_type` from - which a @ref basic_json value can be constructed. - - **objects**: @ref object_t and all kinds of compatible associative - containers such as `std::map`, `std::unordered_map`, `std::multimap`, - and `std::unordered_multimap` with a `key_type` compatible to - @ref string_t and a `value_type` from which a @ref basic_json value can - be constructed. - - **strings**: @ref string_t, string literals, and all compatible string - containers can be used. - - **numbers**: @ref number_integer_t, @ref number_unsigned_t, - @ref number_float_t, and all convertible number types such as `int`, - `size_t`, `int64_t`, `float` or `double` can be used. - - **boolean**: @ref boolean_t / `bool` can be used. - - **binary**: @ref binary_t / `std::vector` may be used, - unfortunately because string literals cannot be distinguished from binary - character arrays by the C++ type system, all types compatible with `const - char*` will be directed to the string constructor instead. This is both - for backwards compatibility, and due to the fact that a binary type is not - a standard JSON type. - - See the examples below. - - @tparam CompatibleType a type such that: - - @a CompatibleType is not derived from `std::istream`, - - @a CompatibleType is not @ref basic_json (to avoid hijacking copy/move - constructors), - - @a CompatibleType is not a different @ref basic_json type (i.e. with different template arguments) - - @a CompatibleType is not a @ref basic_json nested type (e.g., - @ref json_pointer, @ref iterator, etc ...) - - @ref @ref json_serializer has a - `to_json(basic_json_t&, CompatibleType&&)` method - - @tparam U = `uncvref_t` - - @param[in] val the value to be forwarded to the respective constructor - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @liveexample{The following code shows the constructor with several - compatible types.,basic_json__CompatibleType} - - @since version 2.1.0 - */ -template < typename CompatibleType, -typename U = detail::uncvref_t, -detail::enable_if_t < -!detail::is_basic_json::value && detail::is_compatible_type::value, int > = 0 > -basic_json(CompatibleType && val) noexcept(noexcept( -JSONSerializer::to_json(std::declval(), -std::forward(val)))) -{ -JSONSerializer::to_json(*this, std::forward(val)); -assert_invariant(); -} - -/*! - @brief create a JSON value from an existing one - - This is a constructor for existing @ref basic_json types. - It does not hijack copy/move constructors, since the parameter has different - template arguments than the current ones. - - The constructor tries to convert the internal @ref m_value of the parameter. - - @tparam BasicJsonType a type such that: - - @a BasicJsonType is a @ref basic_json type. - - @a BasicJsonType has different template arguments than @ref basic_json_t. - - @param[in] val the @ref basic_json value to be converted. - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @since version 3.2.0 - */ -template < typename BasicJsonType, -detail::enable_if_t < -detail::is_basic_json::value&& !std::is_same::value, int > = 0 > -basic_json(const BasicJsonType& val) -{ -using other_boolean_t = typename BasicJsonType::boolean_t; -using other_number_float_t = typename BasicJsonType::number_float_t; -using other_number_integer_t = typename BasicJsonType::number_integer_t; -using other_number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using other_string_t = typename BasicJsonType::string_t; -using other_object_t = typename BasicJsonType::object_t; -using other_array_t = typename BasicJsonType::array_t; -using other_binary_t = typename BasicJsonType::binary_t; - -switch (val.type()) -{ -case value_t::boolean: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::number_float: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::number_integer: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::number_unsigned: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::string: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::object: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::array: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::binary: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::null: -*this = nullptr; -break; -case value_t::discarded: -m_type = value_t::discarded; -break; -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -assert_invariant(); -} - -/*! - @brief create a container (array or object) from an initializer list - - Creates a JSON value of type array or object from the passed initializer - list @a init. In case @a type_deduction is `true` (default), the type of - the JSON value to be created is deducted from the initializer list @a init - according to the following rules: - - 1. If the list is empty, an empty JSON object value `{}` is created. - 2. If the list consists of pairs whose first element is a string, a JSON - object value is created where the first elements of the pairs are - treated as keys and the second elements are as values. - 3. In all other cases, an array is created. - - The rules aim to create the best fit between a C++ initializer list and - JSON values. The rationale is as follows: - - 1. The empty initializer list is written as `{}` which is exactly an empty - JSON object. - 2. C++ has no way of describing mapped types other than to list a list of - pairs. As JSON requires that keys must be of type string, rule 2 is the - weakest constraint one can pose on initializer lists to interpret them - as an object. - 3. In all other cases, the initializer list could not be interpreted as - JSON object type, so interpreting it as JSON array type is safe. - - With the rules described above, the following JSON values cannot be - expressed by an initializer list: - - - the empty array (`[]`): use @ref array(initializer_list_t) - with an empty initializer list in this case - - arrays whose elements satisfy rule 2: use @ref - array(initializer_list_t) with the same initializer list - in this case - - @note When used without parentheses around an empty initializer list, @ref - basic_json() is called instead of this function, yielding the JSON null - value. - - @param[in] init initializer list with JSON values - - @param[in] type_deduction internal parameter; when set to `true`, the type - of the JSON value is deducted from the initializer list @a init; when set - to `false`, the type provided via @a manual_type is forced. This mode is - used by the functions @ref array(initializer_list_t) and - @ref object(initializer_list_t). - - @param[in] manual_type internal parameter; when @a type_deduction is set - to `false`, the created JSON value will use the provided type (only @ref - value_t::array and @ref value_t::object are valid); when @a type_deduction - is set to `true`, this parameter has no effect - - @throw type_error.301 if @a type_deduction is `false`, @a manual_type is - `value_t::object`, but @a init contains an element which is not a pair - whose first element is a string. In this case, the constructor could not - create an object. If @a type_deduction would have be `true`, an array - would have been created. See @ref object(initializer_list_t) - for an example. - - @complexity Linear in the size of the initializer list @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows how JSON values are created from - initializer lists.,basic_json__list_init_t} - - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ -basic_json(initializer_list_t init, -bool type_deduction = true, -value_t manual_type = value_t::array) -{ -// check if each element is an array with two elements whose first -// element is a string -bool is_an_object = std::all_of(init.begin(), init.end(), -[](const detail::json_ref& element_ref) -{ -return element_ref->is_array() && element_ref->size() == 2 && (*element_ref)[0].is_string(); -}); - -// adjust type if type deduction is not wanted -if (!type_deduction) -{ -// if array is wanted, do not create an object though possible -if (manual_type == value_t::array) -{ -is_an_object = false; -} - -// if object is wanted but impossible, throw an exception -if (JSON_HEDLEY_UNLIKELY(manual_type == value_t::object && !is_an_object)) -{ -JSON_THROW(type_error::create(301, "cannot create object from initializer list")); -} -} - -if (is_an_object) -{ -// the initializer list is a list of pairs -> create object -m_type = value_t::object; -m_value = value_t::object; - -std::for_each(init.begin(), init.end(), [this](const detail::json_ref& element_ref) -{ -auto element = element_ref.moved_or_copied(); -m_value.object->emplace( -std::move(*((*element.m_value.array)[0].m_value.string)), -std::move((*element.m_value.array)[1])); -}); -} -else -{ -// the initializer list describes an array -> create array -m_type = value_t::array; -m_value.array = create(init.begin(), init.end()); -} - -assert_invariant(); -} - -/*! - @brief explicitly create a binary array (without subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(const typename binary_t::container_type& init) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = init; -return res; -} - -/*! - @brief explicitly create a binary array (with subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - @param[in] subtype subtype to use in MessagePack and BSON - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(const typename binary_t::container_type& init, std::uint8_t subtype) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = binary_t(init, subtype); -return res; -} - -/// @copydoc binary(const typename binary_t::container_type&) -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(typename binary_t::container_type&& init) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = std::move(init); -return res; -} - -/// @copydoc binary(const typename binary_t::container_type&, std::uint8_t) -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(typename binary_t::container_type&& init, std::uint8_t subtype) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = binary_t(std::move(init), subtype); -return res; -} - -/*! - @brief explicitly create an array from an initializer list - - Creates a JSON array value from a given initializer list. That is, given a - list of values `a, b, c`, creates the JSON value `[a, b, c]`. If the - initializer list is empty, the empty array `[]` is created. - - @note This function is only needed to express two edge cases that cannot - be realized with the initializer list constructor (@ref - basic_json(initializer_list_t, bool, value_t)). These cases - are: - 1. creating an array whose elements are all pairs whose first element is a - string -- in this case, the initializer list constructor would create an - object, taking the first elements as keys - 2. creating an empty array -- passing the empty initializer list to the - initializer list constructor yields an empty object - - @param[in] init initializer list with JSON values to create an array from - (optional) - - @return JSON array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `array` - function.,array} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json array(initializer_list_t init = {}) -{ -return basic_json(init, false, value_t::array); -} - -/*! - @brief explicitly create an object from an initializer list - - Creates a JSON object value from a given initializer list. The initializer - lists elements must be pairs, and their first elements must be strings. If - the initializer list is empty, the empty object `{}` is created. - - @note This function is only added for symmetry reasons. In contrast to the - related function @ref array(initializer_list_t), there are - no cases which can only be expressed by this function. That is, any - initializer list @a init can also be passed to the initializer list - constructor @ref basic_json(initializer_list_t, bool, value_t). - - @param[in] init initializer list to create an object from (optional) - - @return JSON object value - - @throw type_error.301 if @a init is not a list of pairs whose first - elements are strings. In this case, no object can be created. When such a - value is passed to @ref basic_json(initializer_list_t, bool, value_t), - an array would have been created from the passed initializer list @a init. - See example below. - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `object` - function.,object} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - - @since version 1.0.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json object(initializer_list_t init = {}) -{ -return basic_json(init, false, value_t::object); -} - -/*! - @brief construct an array with count copies of given value - - Constructs a JSON array value by creating @a cnt copies of a passed value. - In case @a cnt is `0`, an empty array is created. - - @param[in] cnt the number of JSON copies of @a val to create - @param[in] val the JSON value to copy - - @post `std::distance(begin(),end()) == cnt` holds. - - @complexity Linear in @a cnt. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows examples for the @ref - basic_json(size_type\, const basic_json&) - constructor.,basic_json__size_type_basic_json} - - @since version 1.0.0 - */ -basic_json(size_type cnt, const basic_json& val) -: m_type(value_t::array) -{ -m_value.array = create(cnt, val); -assert_invariant(); -} - -/*! - @brief construct a JSON container given an iterator range - - Constructs the JSON value with the contents of the range `[first, last)`. - The semantics depends on the different types a JSON value can have: - - In case of a null type, invalid_iterator.206 is thrown. - - In case of other primitive types (number, boolean, or string), @a first - must be `begin()` and @a last must be `end()`. In this case, the value is - copied. Otherwise, invalid_iterator.204 is thrown. - - In case of structured types (array, object), the constructor behaves as - similar versions for `std::vector` or `std::map`; that is, a JSON array - or object is constructed from the values in the range. - - @tparam InputIT an input iterator type (@ref iterator or @ref - const_iterator) - - @param[in] first begin of the range to copy from (included) - @param[in] last end of the range to copy from (excluded) - - @pre Iterators @a first and @a last must be initialized. **This - precondition is enforced with an assertion (see warning).** If - assertions are switched off, a violation of this precondition yields - undefined behavior. - - @pre Range `[first, last)` is valid. Usually, this precondition cannot be - checked efficiently. Only certain edge cases are detected; see the - description of the exceptions below. A violation of this precondition - yields undefined behavior. - - @warning A precondition is enforced with a runtime assertion that will - result in calling `std::abort` if this precondition is not met. - Assertions can be disabled by defining `NDEBUG` at compile time. - See https://en.cppreference.com/w/cpp/error/assert for more - information. - - @throw invalid_iterator.201 if iterators @a first and @a last are not - compatible (i.e., do not belong to the same JSON value). In this case, - the range `[first, last)` is undefined. - @throw invalid_iterator.204 if iterators @a first and @a last belong to a - primitive type (number, boolean, or string), but @a first does not point - to the first element any more. In this case, the range `[first, last)` is - undefined. See example code below. - @throw invalid_iterator.206 if iterators @a first and @a last belong to a - null value. In this case, the range `[first, last)` is undefined. - - @complexity Linear in distance between @a first and @a last. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows several ways to create JSON values by - specifying a subrange with iterators.,basic_json__InputIt_InputIt} - - @since version 1.0.0 - */ -template < class InputIT, typename std::enable_if < -std::is_same::value || -std::is_same::value, int >::type = 0 > -basic_json(InputIT first, InputIT last) -{ -JSON_ASSERT(first.m_object != nullptr); -JSON_ASSERT(last.m_object != nullptr); - -// make sure iterator fits the current value -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(201, "iterators are not compatible")); -} - -// copy type from first iterator -m_type = first.m_object->m_type; - -// check if iterator range is complete for primitive values -switch (m_type) -{ -case value_t::boolean: -case value_t::number_float: -case value_t::number_integer: -case value_t::number_unsigned: -case value_t::string: -{ -if (JSON_HEDLEY_UNLIKELY(!first.m_it.primitive_iterator.is_begin() -|| !last.m_it.primitive_iterator.is_end())) -{ -JSON_THROW(invalid_iterator::create(204, "iterators out of range")); -} -break; -} - -default: -break; -} - -switch (m_type) -{ -case value_t::number_integer: -{ -m_value.number_integer = first.m_object->m_value.number_integer; -break; -} - -case value_t::number_unsigned: -{ -m_value.number_unsigned = first.m_object->m_value.number_unsigned; -break; -} - -case value_t::number_float: -{ -m_value.number_float = first.m_object->m_value.number_float; -break; -} - -case value_t::boolean: -{ -m_value.boolean = first.m_object->m_value.boolean; -break; -} - -case value_t::string: -{ -m_value = *first.m_object->m_value.string; -break; -} - -case value_t::object: -{ -m_value.object = create(first.m_it.object_iterator, -last.m_it.object_iterator); -break; -} - -case value_t::array: -{ -m_value.array = create(first.m_it.array_iterator, -last.m_it.array_iterator); -break; -} - -case value_t::binary: -{ -m_value = *first.m_object->m_value.binary; -break; -} - -default: -JSON_THROW(invalid_iterator::create(206, "cannot construct with iterators from " + -std::string(first.m_object->type_name()))); -} - -assert_invariant(); -} - - -/////////////////////////////////////// -// other constructors and destructor // -/////////////////////////////////////// - -template, -std::is_same>::value, int> = 0 > -basic_json(const JsonRef& ref) : basic_json(ref.moved_or_copied()) {} - -/*! - @brief copy constructor - - Creates a copy of a given JSON value. - - @param[in] other the JSON value to copy - - @post `*this == other` - - @complexity Linear in the size of @a other. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - As postcondition, it holds: `other == basic_json(other)`. - - @liveexample{The following code shows an example for the copy - constructor.,basic_json__basic_json} - - @since version 1.0.0 - */ -basic_json(const basic_json& other) -: m_type(other.m_type) -{ -// check of passed value is valid -other.assert_invariant(); - -switch (m_type) -{ -case value_t::object: -{ -m_value = *other.m_value.object; -break; -} - -case value_t::array: -{ -m_value = *other.m_value.array; -break; -} - -case value_t::string: -{ -m_value = *other.m_value.string; -break; -} - -case value_t::boolean: -{ -m_value = other.m_value.boolean; -break; -} - -case value_t::number_integer: -{ -m_value = other.m_value.number_integer; -break; -} - -case value_t::number_unsigned: -{ -m_value = other.m_value.number_unsigned; -break; -} - -case value_t::number_float: -{ -m_value = other.m_value.number_float; -break; -} - -case value_t::binary: -{ -m_value = *other.m_value.binary; -break; -} - -default: -break; -} - -assert_invariant(); -} - -/*! - @brief move constructor - - Move constructor. Constructs a JSON value with the contents of the given - value @a other using move semantics. It "steals" the resources from @a - other and leaves it as JSON null value. - - @param[in,out] other value to move to this object - - @post `*this` has the same value as @a other before the call. - @post @a other is a JSON null value. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @requirement This function helps `basic_json` satisfying the - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible) - requirements. - - @liveexample{The code below shows the move constructor explicitly called - via std::move.,basic_json__moveconstructor} - - @since version 1.0.0 - */ -basic_json(basic_json&& other) noexcept -: m_type(std::move(other.m_type)), -m_value(std::move(other.m_value)) -{ -// check that passed value is valid -other.assert_invariant(); - -// invalidate payload -other.m_type = value_t::null; -other.m_value = {}; - -assert_invariant(); -} - -/*! - @brief copy assignment - - Copy assignment operator. Copies a JSON value via the "copy and swap" - strategy: It is expressed in terms of the copy constructor, destructor, - and the `swap()` member function. - - @param[in] other value to copy from - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - @liveexample{The code below shows and example for the copy assignment. It - creates a copy of value `a` which is then swapped with `b`. Finally\, the - copy of `a` (which is the null value after the swap) is - destroyed.,basic_json__copyassignment} - - @since version 1.0.0 - */ -basic_json& operator=(basic_json other) noexcept ( -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value&& -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value -) -{ -// check that passed value is valid -other.assert_invariant(); - -using std::swap; -swap(m_type, other.m_type); -swap(m_value, other.m_value); - -assert_invariant(); -return *this; -} - -/*! - @brief destructor - - Destroys the JSON value and frees all allocated memory. - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - All stored elements are destroyed and all memory is freed. - - @since version 1.0.0 - */ -~basic_json() noexcept -{ -assert_invariant(); -m_value.destroy(m_type); -} - -/// @} - -public: -/////////////////////// -// object inspection // -/////////////////////// - -/// @name object inspection -/// Functions to inspect the type of a JSON value. -/// @{ - -/*! - @brief serialization - - Serialization function for JSON values. The function tries to mimic - Python's `json.dumps()` function, and currently supports its @a indent - and @a ensure_ascii parameters. - - @param[in] indent If indent is nonnegative, then array elements and object - members will be pretty-printed with that indent level. An indent level of - `0` will only insert newlines. `-1` (the default) selects the most compact - representation. - @param[in] indent_char The character to use for indentation if @a indent is - greater than `0`. The default is ` ` (space). - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] error_handler how to react on decoding errors; there are three - possible values: `strict` (throws and exception in case a decoding error - occurs; default), `replace` (replace invalid UTF-8 sequences with U+FFFD), - and `ignore` (ignore invalid UTF-8 sequences during serialization; all - bytes are copied to the output unchanged). - - @return string containing the serialization of the JSON value - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded and @a error_handler is set to strict - - @note Binary values are serialized as object containing two keys: - - "bytes": an array of bytes as integers - - "subtype": the subtype as integer or "null" if the binary has no subtype - - @complexity Linear. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @liveexample{The following example shows the effect of different @a indent\, - @a indent_char\, and @a ensure_ascii parameters to the result of the - serialization.,dump} - - @see https://docs.python.org/2/library/json.html#json.dump - - @since version 1.0.0; indentation character @a indent_char, option - @a ensure_ascii and exceptions added in version 3.0.0; error - handlers added in version 3.4.0; serialization of binary values added - in version 3.8.0. - */ -string_t dump(const int indent = -1, -const char indent_char = ' ', -const bool ensure_ascii = false, -const error_handler_t error_handler = error_handler_t::strict) const -{ -string_t result; -serializer s(detail::output_adapter(result), indent_char, error_handler); - -if (indent >= 0) -{ -s.dump(*this, true, ensure_ascii, static_cast(indent)); -} -else -{ -s.dump(*this, false, ensure_ascii, 0); -} - -return result; -} - -/*! - @brief return the type of the JSON value (explicit) - - Return the type of the JSON value as a value from the @ref value_t - enumeration. - - @return the type of the JSON value - Value type | return value - ------------------------- | ------------------------- - null | value_t::null - boolean | value_t::boolean - string | value_t::string - number (integer) | value_t::number_integer - number (unsigned integer) | value_t::number_unsigned - number (floating-point) | value_t::number_float - object | value_t::object - array | value_t::array - binary | value_t::binary - discarded | value_t::discarded - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `type()` for all JSON - types.,type} - - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ -constexpr value_t type() const noexcept -{ -return m_type; -} - -/*! - @brief return whether type is primitive - - This function returns true if and only if the JSON type is primitive - (string, number, boolean, or null). - - @return `true` if type is primitive (string, number, boolean, or null), - `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_primitive()` for all JSON - types.,is_primitive} - - @sa @ref is_structured() -- returns whether JSON value is structured - @sa @ref is_null() -- returns whether JSON value is `null` - @sa @ref is_string() -- returns whether JSON value is a string - @sa @ref is_boolean() -- returns whether JSON value is a boolean - @sa @ref is_number() -- returns whether JSON value is a number - @sa @ref is_binary() -- returns whether JSON value is a binary array - - @since version 1.0.0 - */ -constexpr bool is_primitive() const noexcept -{ -return is_null() || is_string() || is_boolean() || is_number() || is_binary(); -} - -/*! - @brief return whether type is structured - - This function returns true if and only if the JSON type is structured - (array or object). - - @return `true` if type is structured (array or object), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_structured()` for all JSON - types.,is_structured} - - @sa @ref is_primitive() -- returns whether value is primitive - @sa @ref is_array() -- returns whether value is an array - @sa @ref is_object() -- returns whether value is an object - - @since version 1.0.0 - */ -constexpr bool is_structured() const noexcept -{ -return is_array() || is_object(); -} - -/*! - @brief return whether value is null - - This function returns true if and only if the JSON value is null. - - @return `true` if type is null, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_null()` for all JSON - types.,is_null} - - @since version 1.0.0 - */ -constexpr bool is_null() const noexcept -{ -return m_type == value_t::null; -} - -/*! - @brief return whether value is a boolean - - This function returns true if and only if the JSON value is a boolean. - - @return `true` if type is boolean, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_boolean()` for all JSON - types.,is_boolean} - - @since version 1.0.0 - */ -constexpr bool is_boolean() const noexcept -{ -return m_type == value_t::boolean; -} - -/*! - @brief return whether value is a number - - This function returns true if and only if the JSON value is a number. This - includes both integer (signed and unsigned) and floating-point values. - - @return `true` if type is number (regardless whether integer, unsigned - integer or floating-type), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number()` for all JSON - types.,is_number} - - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ -constexpr bool is_number() const noexcept -{ -return is_number_integer() || is_number_float(); -} - -/*! - @brief return whether value is an integer number - - This function returns true if and only if the JSON value is a signed or - unsigned integer number. This excludes floating-point values. - - @return `true` if type is an integer or unsigned integer number, `false` - otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_integer()` for all - JSON types.,is_number_integer} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ -constexpr bool is_number_integer() const noexcept -{ -return m_type == value_t::number_integer || m_type == value_t::number_unsigned; -} - -/*! - @brief return whether value is an unsigned integer number - - This function returns true if and only if the JSON value is an unsigned - integer number. This excludes floating-point and signed integer values. - - @return `true` if type is an unsigned integer number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_unsigned()` for all - JSON types.,is_number_unsigned} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 2.0.0 - */ -constexpr bool is_number_unsigned() const noexcept -{ -return m_type == value_t::number_unsigned; -} - -/*! - @brief return whether value is a floating-point number - - This function returns true if and only if the JSON value is a - floating-point number. This excludes signed and unsigned integer values. - - @return `true` if type is a floating-point number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_float()` for all - JSON types.,is_number_float} - - @sa @ref is_number() -- check if value is number - @sa @ref is_number_integer() -- check if value is an integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - - @since version 1.0.0 - */ -constexpr bool is_number_float() const noexcept -{ -return m_type == value_t::number_float; -} - -/*! - @brief return whether value is an object - - This function returns true if and only if the JSON value is an object. - - @return `true` if type is object, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_object()` for all JSON - types.,is_object} - - @since version 1.0.0 - */ -constexpr bool is_object() const noexcept -{ -return m_type == value_t::object; -} - -/*! - @brief return whether value is an array - - This function returns true if and only if the JSON value is an array. - - @return `true` if type is array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_array()` for all JSON - types.,is_array} - - @since version 1.0.0 - */ -constexpr bool is_array() const noexcept -{ -return m_type == value_t::array; -} - -/*! - @brief return whether value is a string - - This function returns true if and only if the JSON value is a string. - - @return `true` if type is string, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_string()` for all JSON - types.,is_string} - - @since version 1.0.0 - */ -constexpr bool is_string() const noexcept -{ -return m_type == value_t::string; -} - -/*! - @brief return whether value is a binary array - - This function returns true if and only if the JSON value is a binary array. - - @return `true` if type is binary array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_binary()` for all JSON - types.,is_binary} - - @since version 3.8.0 - */ -constexpr bool is_binary() const noexcept -{ -return m_type == value_t::binary; -} - -/*! - @brief return whether value is discarded - - This function returns true if and only if the JSON value was discarded - during parsing with a callback function (see @ref parser_callback_t). - - @note This function will always be `false` for JSON values after parsing. - That is, discarded values can only occur during parsing, but will be - removed when inside a structured value or replaced by null in other cases. - - @return `true` if type is discarded, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_discarded()` for all JSON - types.,is_discarded} - - @since version 1.0.0 - */ -constexpr bool is_discarded() const noexcept -{ -return m_type == value_t::discarded; -} - -/*! - @brief return the type of the JSON value (implicit) - - Implicitly return the type of the JSON value as a value from the @ref - value_t enumeration. - - @return the type of the JSON value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies the @ref value_t operator for - all JSON types.,operator__value_t} - - @sa @ref type() -- return the type of the JSON value (explicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ -constexpr operator value_t() const noexcept -{ -return m_type; -} - -/// @} - -private: -////////////////// -// value access // -////////////////// - -/// get a boolean (explicit) -boolean_t get_impl(boolean_t* /*unused*/) const -{ -if (JSON_HEDLEY_LIKELY(is_boolean())) -{ -return m_value.boolean; -} - -JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(type_name()))); -} - -/// get a pointer to the value (object) -object_t* get_impl_ptr(object_t* /*unused*/) noexcept -{ -return is_object() ? m_value.object : nullptr; -} - -/// get a pointer to the value (object) -constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept -{ -return is_object() ? m_value.object : nullptr; -} - -/// get a pointer to the value (array) -array_t* get_impl_ptr(array_t* /*unused*/) noexcept -{ -return is_array() ? m_value.array : nullptr; -} - -/// get a pointer to the value (array) -constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept -{ -return is_array() ? m_value.array : nullptr; -} - -/// get a pointer to the value (string) -string_t* get_impl_ptr(string_t* /*unused*/) noexcept -{ -return is_string() ? m_value.string : nullptr; -} - -/// get a pointer to the value (string) -constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept -{ -return is_string() ? m_value.string : nullptr; -} - -/// get a pointer to the value (boolean) -boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept -{ -return is_boolean() ? &m_value.boolean : nullptr; -} - -/// get a pointer to the value (boolean) -constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept -{ -return is_boolean() ? &m_value.boolean : nullptr; -} - -/// get a pointer to the value (integer number) -number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept -{ -return is_number_integer() ? &m_value.number_integer : nullptr; -} - -/// get a pointer to the value (integer number) -constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept -{ -return is_number_integer() ? &m_value.number_integer : nullptr; -} - -/// get a pointer to the value (unsigned number) -number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept -{ -return is_number_unsigned() ? &m_value.number_unsigned : nullptr; -} - -/// get a pointer to the value (unsigned number) -constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept -{ -return is_number_unsigned() ? &m_value.number_unsigned : nullptr; -} - -/// get a pointer to the value (floating-point number) -number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept -{ -return is_number_float() ? &m_value.number_float : nullptr; -} - -/// get a pointer to the value (floating-point number) -constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept -{ -return is_number_float() ? &m_value.number_float : nullptr; -} - -/// get a pointer to the value (binary) -binary_t* get_impl_ptr(binary_t* /*unused*/) noexcept -{ -return is_binary() ? m_value.binary : nullptr; -} - -/// get a pointer to the value (binary) -constexpr const binary_t* get_impl_ptr(const binary_t* /*unused*/) const noexcept -{ -return is_binary() ? m_value.binary : nullptr; -} - -/*! - @brief helper function to implement get_ref() - - This function helps to implement get_ref() without code duplication for - const and non-const overloads - - @tparam ThisType will be deduced as `basic_json` or `const basic_json` - - @throw type_error.303 if ReferenceType does not match underlying value - type of the current JSON - */ -template -static ReferenceType get_ref_impl(ThisType& obj) -{ -// delegate the call to get_ptr<>() -auto ptr = obj.template get_ptr::type>(); - -if (JSON_HEDLEY_LIKELY(ptr != nullptr)) -{ -return *ptr; -} - -JSON_THROW(type_error::create(303, "incompatible ReferenceType for get_ref, actual type is " + std::string(obj.type_name()))); -} - -public: -/// @name value access -/// Direct access to the stored value of a JSON value. -/// @{ - -/*! - @brief get special-case overload - - This overloads avoids a lot of template boilerplate, it can be seen as the - identity method - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this - - @complexity Constant. - - @since version 2.1.0 - */ -template::type, basic_json_t>::value, -int> = 0> -basic_json get() const -{ -return *this; -} - -/*! - @brief get special-case overload - - This overloads converts the current @ref basic_json in a different - @ref basic_json type - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this, converted into @tparam BasicJsonType - - @complexity Depending on the implementation of the called `from_json()` - method. - - @since version 3.2.0 - */ -template < typename BasicJsonType, detail::enable_if_t < -!std::is_same::value&& -detail::is_basic_json::value, int > = 0 > -BasicJsonType get() const -{ -return *this; -} - -/*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value - which is [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType ret; - JSONSerializer::from_json(*this, ret); - return ret; - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @ref json_serializer does not have a `from_json()` method of - the form `ValueType from_json(const basic_json&)` - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get__ValueType_const} - - @since version 2.1.0 - */ -template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, -detail::enable_if_t < -!detail::is_basic_json::value && -detail::has_from_json::value && -!detail::has_non_default_from_json::value, -int > = 0 > -ValueType get() const noexcept(noexcept( -JSONSerializer::from_json(std::declval(), std::declval()))) -{ -// we cannot static_assert on ValueTypeCV being non-const, because -// there is support for get(), which is why we -// still need the uncvref -static_assert(!std::is_reference::value, -"get() cannot be used with reference types, you might want to use get_ref()"); -static_assert(std::is_default_constructible::value, -"types must be DefaultConstructible when used with get()"); - -ValueType ret; -JSONSerializer::from_json(*this, ret); -return ret; -} - -/*! - @brief get a value (explicit); special case - - Explicit type conversion between the JSON value and a compatible value - which is **not** [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and **not** [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - return JSONSerializer::from_json(*this); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json and - - @ref json_serializer has a `from_json()` method of the form - `ValueType from_json(const basic_json&)` - - @note If @ref json_serializer has both overloads of - `from_json()`, this one is chosen. - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @since version 2.1.0 - */ -template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, -detail::enable_if_t < !std::is_same::value && -detail::has_non_default_from_json::value, -int > = 0 > -ValueType get() const noexcept(noexcept( -JSONSerializer::from_json(std::declval()))) -{ -static_assert(!std::is_reference::value, -"get() cannot be used with reference types, you might want to use get_ref()"); -return JSONSerializer::from_json(*this); -} - -/*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value. - The value is filled into the input parameter by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType v; - JSONSerializer::from_json(*this, v); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @tparam ValueType the input parameter type. - - @return the input parameter, allowing chaining calls. - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get_to} - - @since version 3.3.0 - */ -template < typename ValueType, -detail::enable_if_t < -!detail::is_basic_json::value&& -detail::has_from_json::value, -int > = 0 > -ValueType & get_to(ValueType& v) const noexcept(noexcept( -JSONSerializer::from_json(std::declval(), v))) -{ -JSONSerializer::from_json(*this, v); -return v; -} - -// specialization to allow to call get_to with a basic_json value -// see https://github.com/nlohmann/json/issues/2175 -template::value, -int> = 0> -ValueType & get_to(ValueType& v) const -{ -v = *this; -return v; -} - -template < -typename T, std::size_t N, -typename Array = T (&)[N], -detail::enable_if_t < -detail::has_from_json::value, int > = 0 > -Array get_to(T (&v)[N]) const -noexcept(noexcept(JSONSerializer::from_json( -std::declval(), v))) -{ -JSONSerializer::from_json(*this, v); -return v; -} - - -/*! - @brief get a pointer value (implicit) - - Implicit pointer access to the internally stored JSON value. No copies are - made. - - @warning Writing data to the pointee of the result yields an undefined - state. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. Enforced by a static - assertion. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get_ptr} - - @since version 1.0.0 - */ -template::value, int>::type = 0> -auto get_ptr() noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) -{ -// delegate the call to get_impl_ptr<>() -return get_impl_ptr(static_cast(nullptr)); -} - -/*! - @brief get a pointer value (implicit) - @copydoc get_ptr() - */ -template < typename PointerType, typename std::enable_if < -std::is_pointer::value&& -std::is_const::type>::value, int >::type = 0 > -constexpr auto get_ptr() const noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) -{ -// delegate the call to get_impl_ptr<>() const -return get_impl_ptr(static_cast(nullptr)); -} - -/*! - @brief get a pointer value (explicit) - - Explicit pointer access to the internally stored JSON value. No copies are - made. - - @warning The pointer becomes invalid if the underlying JSON object - changes. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get__PointerType} - - @sa @ref get_ptr() for explicit pointer-member access - - @since version 1.0.0 - */ -template::value, int>::type = 0> -auto get() noexcept -> decltype(std::declval().template get_ptr()) -{ -// delegate the call to get_ptr -return get_ptr(); -} - -/*! - @brief get a pointer value (explicit) - @copydoc get() - */ -template::value, int>::type = 0> -constexpr auto get() const noexcept -> decltype(std::declval().template get_ptr()) -{ -// delegate the call to get_ptr -return get_ptr(); -} - -/*! - @brief get a reference value (implicit) - - Implicit reference access to the internally stored JSON value. No copies - are made. - - @warning Writing data to the referee of the result yields an undefined - state. - - @tparam ReferenceType reference type; must be a reference to @ref array_t, - @ref object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or - @ref number_float_t. Enforced by static assertion. - - @return reference to the internally stored JSON value if the requested - reference type @a ReferenceType fits to the JSON value; throws - type_error.303 otherwise - - @throw type_error.303 in case passed type @a ReferenceType is incompatible - with the stored JSON value; see example below - - @complexity Constant. - - @liveexample{The example shows several calls to `get_ref()`.,get_ref} - - @since version 1.1.0 - */ -template::value, int>::type = 0> -ReferenceType get_ref() -{ -// delegate call to get_ref_impl -return get_ref_impl(*this); -} - -/*! - @brief get a reference value (implicit) - @copydoc get_ref() - */ -template < typename ReferenceType, typename std::enable_if < -std::is_reference::value&& -std::is_const::type>::value, int >::type = 0 > -ReferenceType get_ref() const -{ -// delegate call to get_ref_impl -return get_ref_impl(*this); -} - -/*! - @brief get a value (implicit) - - Implicit type conversion between the JSON value and a compatible value. - The call is realized by calling @ref get() const. - - @tparam ValueType non-pointer type compatible to the JSON value, for - instance `int` for JSON integer numbers, `bool` for JSON booleans, or - `std::vector` types for JSON arrays. The character type of @ref string_t - as well as an initializer list of this type is excluded to avoid - ambiguities as these types implicitly convert to `std::string`. - - @return copy of the JSON value, converted to type @a ValueType - - @throw type_error.302 in case passed type @a ValueType is incompatible - to the JSON value type (e.g., the JSON value is of type boolean, but a - string is requested); see example below - - @complexity Linear in the size of the JSON value. - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,operator__ValueType} - - @since version 1.0.0 - */ -template < typename ValueType, typename std::enable_if < -!std::is_pointer::value&& -!std::is_same>::value&& -!std::is_same::value&& -!detail::is_basic_json::value -&& !std::is_same>::value -#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER >= 1910 && _MSC_VER <= 1914)) -&& !std::is_same::value -#endif -&& detail::is_detected::value -, int >::type = 0 > -JSON_EXPLICIT operator ValueType() const -{ -// delegate the call to get<>() const -return get(); -} - -/*! - @return reference to the binary value - - @throw type_error.302 if the value is not binary - - @sa @ref is_binary() to check if the value is binary - - @since version 3.8.0 - */ -binary_t& get_binary() -{ -if (!is_binary()) -{ -JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); -} - -return *get_ptr(); -} - -/// @copydoc get_binary() -const binary_t& get_binary() const -{ -if (!is_binary()) -{ -JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); -} - -return *get_ptr(); -} - -/// @} - - -//////////////////// -// element access // -//////////////////// - -/// @name element access -/// Access to the JSON value. -/// @{ - -/*! - @brief access specified array element with bounds checking - - Returns a reference to the element at specified location @a idx, with - bounds checking. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__size_type} - */ -reference at(size_type idx) -{ -// at only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -JSON_TRY -{ -return m_value.array->at(idx); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified array element with bounds checking - - Returns a const reference to the element at specified location @a idx, - with bounds checking. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__size_type_const} - */ -const_reference at(size_type idx) const -{ -// at only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -JSON_TRY -{ -return m_value.array->at(idx); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified object element with bounds checking - - Returns a reference to the element at with specified key @a key, with - bounds checking. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__object_t_key_type} - */ -reference at(const typename object_t::key_type& key) -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_TRY -{ -return m_value.object->at(key); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified object element with bounds checking - - Returns a const reference to the element at with specified key @a key, - with bounds checking. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__object_t_key_type_const} - */ -const_reference at(const typename object_t::key_type& key) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_TRY -{ -return m_value.object->at(key); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified array element - - Returns a reference to the element at specified location @a idx. - - @note If @a idx is beyond the range of the array (i.e., `idx >= size()`), - then the array is silently filled up with `null` values to make `idx` a - valid reference to the last stored element. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array or null; in that - cases, using the [] operator with an index makes no sense. - - @complexity Constant if @a idx is in the range of the array. Otherwise - linear in `idx - size()`. - - @liveexample{The example below shows how array elements can be read and - written using `[]` operator. Note the addition of `null` - values.,operatorarray__size_type} - - @since version 1.0.0 - */ -reference operator[](size_type idx) -{ -// implicitly convert null value to an empty array -if (is_null()) -{ -m_type = value_t::array; -m_value.array = create(); -assert_invariant(); -} - -// operator[] only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -// fill up array with null values if given idx is outside range -if (idx >= m_value.array->size()) -{ -m_value.array->insert(m_value.array->end(), -idx - m_value.array->size() + 1, -basic_json()); -} - -return m_value.array->operator[](idx); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); -} - -/*! - @brief access specified array element - - Returns a const reference to the element at specified location @a idx. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array; in that case, - using the [] operator with an index makes no sense. - - @complexity Constant. - - @liveexample{The example below shows how array elements can be read using - the `[]` operator.,operatorarray__size_type_const} - - @since version 1.0.0 - */ -const_reference operator[](size_type idx) const -{ -// const operator[] only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -return m_value.array->operator[](idx); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); -} - -/*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ -reference operator[](const typename object_t::key_type& key) -{ -// implicitly convert null value to an empty object -if (is_null()) -{ -m_type = value_t::object; -m_value.object = create(); -assert_invariant(); -} - -// operator[] only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -return m_value.object->operator[](key); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ -const_reference operator[](const typename object_t::key_type& key) const -{ -// const operator[] only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); -return m_value.object->find(key)->second; -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ -template -JSON_HEDLEY_NON_NULL(2) -reference operator[](T* key) -{ -// implicitly convert null to object -if (is_null()) -{ -m_type = value_t::object; -m_value = value_t::object; -assert_invariant(); -} - -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -return m_value.object->operator[](key); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ -template -JSON_HEDLEY_NON_NULL(2) -const_reference operator[](T* key) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); -return m_value.object->find(key)->second; -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief access specified object element with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(key); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const typename object_t::key_type&), this function - does not throw if the given key @a key was not found. - - @note Unlike @ref operator[](const typename object_t::key_type& key), this - function does not implicitly add an element to the position defined by @a - key. This function is furthermore also applicable to const objects. - - @param[in] key key of the element to access - @param[in] default_value the value to return if @a key is not found - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a key - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - - @since version 1.0.0 - */ -// using std::is_convertible in a std::enable_if will fail when using explicit conversions -template < class ValueType, typename std::enable_if < -detail::is_getable::value -&& !std::is_same::value, int >::type = 0 > -ValueType value(const typename object_t::key_type& key, const ValueType& default_value) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -// if key is found, return value and given default value otherwise -const auto it = find(key); -if (it != end()) -{ -return it->template get(); -} - -return default_value; -} - -JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); -} - -/*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const typename object_t::key_type&, const ValueType&) const - */ -string_t value(const typename object_t::key_type& key, const char* default_value) const -{ -return value(key, string_t(default_value)); -} - -/*! - @brief access specified object element via JSON Pointer with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(ptr); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const json_pointer&), this function does not throw - if the given key @a key was not found. - - @param[in] ptr a JSON pointer to the element to access - @param[in] default_value the value to return if @a ptr found no value - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a ptr - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value_ptr} - - @sa @ref operator[](const json_pointer&) for unchecked access by reference - - @since version 2.0.2 - */ -template::value, int>::type = 0> -ValueType value(const json_pointer& ptr, const ValueType& default_value) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -// if pointer resolves a value, return it or use default value -JSON_TRY -{ -return ptr.get_checked(this).template get(); -} -JSON_INTERNAL_CATCH (out_of_range&) -{ -return default_value; -} -} - -JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); -} - -/*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const json_pointer&, ValueType) const - */ -JSON_HEDLEY_NON_NULL(3) -string_t value(const json_pointer& ptr, const char* default_value) const -{ -return value(ptr, string_t(default_value)); -} - -/*! - @brief access the first element - - Returns a reference to the first element in the container. For a JSON - container `c`, the expression `c.front()` is equivalent to `*c.begin()`. - - @return In case of a structured type (array or object), a reference to the - first element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on `null` value - - @liveexample{The following code shows an example for `front()`.,front} - - @sa @ref back() -- access the last element - - @since version 1.0.0 - */ -reference front() -{ -return *begin(); -} - -/*! - @copydoc basic_json::front() - */ -const_reference front() const -{ -return *cbegin(); -} - -/*! - @brief access the last element - - Returns a reference to the last element in the container. For a JSON - container `c`, the expression `c.back()` is equivalent to - @code {.cpp} - auto tmp = c.end(); - --tmp; - return *tmp; - @endcode - - @return In case of a structured type (array or object), a reference to the - last element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on a `null` value. See example - below. - - @liveexample{The following code shows an example for `back()`.,back} - - @sa @ref front() -- access the first element - - @since version 1.0.0 - */ -reference back() -{ -auto tmp = end(); ---tmp; -return *tmp; -} - -/*! - @copydoc basic_json::back() - */ -const_reference back() const -{ -auto tmp = cend(); ---tmp; -return *tmp; -} - -/*! - @brief remove element given an iterator - - Removes the element specified by iterator @a pos. The iterator @a pos must - be valid and dereferenceable. Thus the `end()` iterator (which is valid, - but is not dereferenceable) cannot be used as a value for @a pos. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] pos iterator to the element to remove - @return Iterator following the last removed element. If the iterator @a - pos refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.202 if called on an iterator which does not belong - to the current JSON value; example: `"iterator does not fit current - value"` - @throw invalid_iterator.205 if called on a primitive type with invalid - iterator (i.e., any iterator which is not `begin()`); example: `"iterator - out of range"` - - @complexity The complexity depends on the type: - - objects: amortized constant - - arrays: linear in distance between @a pos and the end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType} - - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ -template < class IteratorType, typename std::enable_if < -std::is_same::value || -std::is_same::value, int >::type -= 0 > -IteratorType erase(IteratorType pos) -{ -// make sure iterator fits the current value -if (JSON_HEDLEY_UNLIKELY(this != pos.m_object)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -IteratorType result = end(); - -switch (m_type) -{ -case value_t::boolean: -case value_t::number_float: -case value_t::number_integer: -case value_t::number_unsigned: -case value_t::string: -case value_t::binary: -{ -if (JSON_HEDLEY_UNLIKELY(!pos.m_it.primitive_iterator.is_begin())) -{ -JSON_THROW(invalid_iterator::create(205, "iterator out of range")); -} - -if (is_string()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.string); -std::allocator_traits::deallocate(alloc, m_value.string, 1); -m_value.string = nullptr; -} -else if (is_binary()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.binary); -std::allocator_traits::deallocate(alloc, m_value.binary, 1); -m_value.binary = nullptr; -} - -m_type = value_t::null; -assert_invariant(); -break; -} - -case value_t::object: -{ -result.m_it.object_iterator = m_value.object->erase(pos.m_it.object_iterator); -break; -} - -case value_t::array: -{ -result.m_it.array_iterator = m_value.array->erase(pos.m_it.array_iterator); -break; -} - -default: -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} - -return result; -} - -/*! - @brief remove elements given an iterator range - - Removes the element specified by the range `[first; last)`. The iterator - @a first does not need to be dereferenceable if `first == last`: erasing - an empty range is a no-op. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] first iterator to the beginning of the range to remove - @param[in] last iterator past the end of the range to remove - @return Iterator following the last removed element. If the iterator @a - second refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.203 if called on iterators which does not belong - to the current JSON value; example: `"iterators do not fit current value"` - @throw invalid_iterator.204 if called on a primitive type with invalid - iterators (i.e., if `first != begin()` and `last != end()`); example: - `"iterators out of range"` - - @complexity The complexity depends on the type: - - objects: `log(size()) + std::distance(first, last)` - - arrays: linear in the distance between @a first and @a last, plus linear - in the distance between @a last and end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType_IteratorType} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ -template < class IteratorType, typename std::enable_if < -std::is_same::value || -std::is_same::value, int >::type -= 0 > -IteratorType erase(IteratorType first, IteratorType last) -{ -// make sure iterator fits the current value -if (JSON_HEDLEY_UNLIKELY(this != first.m_object || this != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(203, "iterators do not fit current value")); -} - -IteratorType result = end(); - -switch (m_type) -{ -case value_t::boolean: -case value_t::number_float: -case value_t::number_integer: -case value_t::number_unsigned: -case value_t::string: -case value_t::binary: -{ -if (JSON_HEDLEY_LIKELY(!first.m_it.primitive_iterator.is_begin() -|| !last.m_it.primitive_iterator.is_end())) -{ -JSON_THROW(invalid_iterator::create(204, "iterators out of range")); -} - -if (is_string()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.string); -std::allocator_traits::deallocate(alloc, m_value.string, 1); -m_value.string = nullptr; -} -else if (is_binary()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.binary); -std::allocator_traits::deallocate(alloc, m_value.binary, 1); -m_value.binary = nullptr; -} - -m_type = value_t::null; -assert_invariant(); -break; -} - -case value_t::object: -{ -result.m_it.object_iterator = m_value.object->erase(first.m_it.object_iterator, -last.m_it.object_iterator); -break; -} - -case value_t::array: -{ -result.m_it.array_iterator = m_value.array->erase(first.m_it.array_iterator, -last.m_it.array_iterator); -break; -} - -default: -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} - -return result; -} - -/*! - @brief remove element from a JSON object given a key - - Removes elements from a JSON object with the key value @a key. - - @param[in] key value of the elements to remove - - @return Number of elements removed. If @a ObjectType is the default - `std::map` type, the return value will always be `0` (@a key was not - found) or `1` (@a key was found). - - @post References and iterators to the erased elements are invalidated. - Other references and iterators are not affected. - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - - @complexity `log(size()) + count(key)` - - @liveexample{The example shows the effect of `erase()`.,erase__key_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ -size_type erase(const typename object_t::key_type& key) -{ -// this erase only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -return m_value.object->erase(key); -} - -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} - -/*! - @brief remove element from a JSON array given an index - - Removes element from a JSON array at the index @a idx. - - @param[in] idx index of the element to remove - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - @throw out_of_range.401 when `idx >= size()`; example: `"array index 17 - is out of range"` - - @complexity Linear in distance between @a idx and the end of the container. - - @liveexample{The example shows the effect of `erase()`.,erase__size_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - - @since version 1.0.0 - */ -void erase(const size_type idx) -{ -// this erase only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -if (JSON_HEDLEY_UNLIKELY(idx >= size())) -{ -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} - -m_value.array->erase(m_value.array->begin() + static_cast(idx)); -} -else -{ -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} -} - -/// @} - - -//////////// -// lookup // -//////////// - -/// @name lookup -/// @{ - -/*! - @brief find an element in a JSON object - - Finds an element in a JSON object with key equivalent to @a key. If the - element is not found or the JSON value is not an object, end() is - returned. - - @note This method always returns @ref end() when executed on a JSON type - that is not an object. - - @param[in] key key value of the element to search for. - - @return Iterator to an element with key equivalent to @a key. If no such - element is found or the JSON value is not an object, past-the-end (see - @ref end()) iterator is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `find()` is used.,find__key_type} - - @sa @ref contains(KeyT&&) const -- checks whether a key exists - - @since version 1.0.0 - */ -template -iterator find(KeyT&& key) -{ -auto result = end(); - -if (is_object()) -{ -result.m_it.object_iterator = m_value.object->find(std::forward(key)); -} - -return result; -} - -/*! - @brief find an element in a JSON object - @copydoc find(KeyT&&) - */ -template -const_iterator find(KeyT&& key) const -{ -auto result = cend(); - -if (is_object()) -{ -result.m_it.object_iterator = m_value.object->find(std::forward(key)); -} - -return result; -} - -/*! - @brief returns the number of occurrences of a key in a JSON object - - Returns the number of elements with key @a key. If ObjectType is the - default `std::map` type, the return value will always be `0` (@a key was - not found) or `1` (@a key was found). - - @note This method always returns `0` when executed on a JSON type that is - not an object. - - @param[in] key key value of the element to count - - @return Number of elements with key @a key. If the JSON value is not an - object, the return value will be `0`. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `count()` is used.,count} - - @since version 1.0.0 - */ -template -size_type count(KeyT&& key) const -{ -// return 0 for all nonobject types -return is_object() ? m_value.object->count(std::forward(key)) : 0; -} - -/*! - @brief check the existence of an element in a JSON object - - Check whether an element exists in a JSON object with key equivalent to - @a key. If the element is not found or the JSON value is not an object, - false is returned. - - @note This method always returns false when executed on a JSON type - that is not an object. - - @param[in] key key value to check its existence. - - @return true if an element with specified @a key exists. If no such - element with such key is found or the JSON value is not an object, - false is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains} - - @sa @ref find(KeyT&&) -- returns an iterator to an object element - @sa @ref contains(const json_pointer&) const -- checks the existence for a JSON pointer - - @since version 3.6.0 - */ -template < typename KeyT, typename std::enable_if < -!std::is_same::type, json_pointer>::value, int >::type = 0 > -bool contains(KeyT && key) const -{ -return is_object() && m_value.object->find(std::forward(key)) != m_value.object->end(); -} - -/*! - @brief check the existence of an element in a JSON object given a JSON pointer - - Check whether the given JSON pointer @a ptr can be resolved in the current - JSON value. - - @note This method can be executed on any JSON value type. - - @param[in] ptr JSON pointer to check its existence. - - @return true if the JSON pointer can be resolved to a stored value, false - otherwise. - - @post If `j.contains(ptr)` returns true, it is safe to call `j[ptr]`. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains_json_pointer} - - @sa @ref contains(KeyT &&) const -- checks the existence of a key - - @since version 3.7.0 - */ -bool contains(const json_pointer& ptr) const -{ -return ptr.contains(this); -} - -/// @} - - -/////////////// -// iterators // -/////////////// - -/// @name iterators -/// @{ - -/*! - @brief returns an iterator to the first element - - Returns an iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `begin()`.,begin} - - @sa @ref cbegin() -- returns a const iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ -iterator begin() noexcept -{ -iterator result(this); -result.set_begin(); -return result; -} - -/*! - @copydoc basic_json::cbegin() - */ -const_iterator begin() const noexcept -{ -return cbegin(); -} - -/*! - @brief returns a const iterator to the first element - - Returns a const iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).begin()`. - - @liveexample{The following code shows an example for `cbegin()`.,cbegin} - - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ -const_iterator cbegin() const noexcept -{ -const_iterator result(this); -result.set_begin(); -return result; -} - -/*! - @brief returns an iterator to one past the last element - - Returns an iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `end()`.,end} - - @sa @ref cend() -- returns a const iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ -iterator end() noexcept -{ -iterator result(this); -result.set_end(); -return result; -} - -/*! - @copydoc basic_json::cend() - */ -const_iterator end() const noexcept -{ -return cend(); -} - -/*! - @brief returns a const iterator to one past the last element - - Returns a const iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).end()`. - - @liveexample{The following code shows an example for `cend()`.,cend} - - @sa @ref end() -- returns an iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ -const_iterator cend() const noexcept -{ -const_iterator result(this); -result.set_end(); -return result; -} - -/*! - @brief returns an iterator to the reverse-beginning - - Returns an iterator to the reverse-beginning; that is, the last element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(end())`. - - @liveexample{The following code shows an example for `rbegin()`.,rbegin} - - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ -reverse_iterator rbegin() noexcept -{ -return reverse_iterator(end()); -} - -/*! - @copydoc basic_json::crbegin() - */ -const_reverse_iterator rbegin() const noexcept -{ -return crbegin(); -} - -/*! - @brief returns an iterator to the reverse-end - - Returns an iterator to the reverse-end; that is, one before the first - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(begin())`. - - @liveexample{The following code shows an example for `rend()`.,rend} - - @sa @ref crend() -- returns a const reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ -reverse_iterator rend() noexcept -{ -return reverse_iterator(begin()); -} - -/*! - @copydoc basic_json::crend() - */ -const_reverse_iterator rend() const noexcept -{ -return crend(); -} - -/*! - @brief returns a const reverse iterator to the last element - - Returns a const iterator to the reverse-beginning; that is, the last - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rbegin()`. - - @liveexample{The following code shows an example for `crbegin()`.,crbegin} - - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ -const_reverse_iterator crbegin() const noexcept -{ -return const_reverse_iterator(cend()); -} - -/*! - @brief returns a const reverse iterator to one before the first - - Returns a const reverse iterator to the reverse-end; that is, one before - the first element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rend()`. - - @liveexample{The following code shows an example for `crend()`.,crend} - - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ -const_reverse_iterator crend() const noexcept -{ -return const_reverse_iterator(cbegin()); -} - -public: -/*! - @brief wrapper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without iterator_wrapper: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without iterator proxy: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with iterator proxy: - - @code{cpp} - for (auto it : json::iterator_wrapper(j_object)) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). - - @param[in] ref reference to a JSON value - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the wrapper is used,iterator_wrapper} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @note The name of this function is not yet final and may change in the - future. - - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use @ref items() instead; - that is, replace `json::iterator_wrapper(j)` with `j.items()`. - */ -JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) -static iteration_proxy iterator_wrapper(reference ref) noexcept -{ -return ref.items(); -} - -/*! - @copydoc iterator_wrapper(reference) - */ -JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) -static iteration_proxy iterator_wrapper(const_reference ref) noexcept -{ -return ref.items(); -} - -/*! - @brief helper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without `items()` function: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without `items()` function: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with `items()` function: - - @code{cpp} - for (auto& el : j_object.items()) - { - std::cout << "key: " << el.key() << ", value:" << el.value() << '\n'; - } - @endcode - - The `items()` function also allows to use - [structured bindings](https://en.cppreference.com/w/cpp/language/structured_binding) - (C++17): - - @code{cpp} - for (auto& [key, val] : j_object.items()) - { - std::cout << "key: " << key << ", value:" << val << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). For primitive types (e.g., numbers), - `key()` returns an empty string. - - @warning Using `items()` on temporary objects is dangerous. Make sure the - object's lifetime exeeds the iteration. See - for more - information. - - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the function is used.,items} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 3.1.0, structured bindings support since 3.5.0. - */ -iteration_proxy items() noexcept -{ -return iteration_proxy(*this); -} - -/*! - @copydoc items() - */ -iteration_proxy items() const noexcept -{ -return iteration_proxy(*this); -} - -/// @} - - -////////////// -// capacity // -////////////// - -/// @name capacity -/// @{ - -/*! - @brief checks whether the container is empty. - - Checks if a JSON value has no elements (i.e. whether its @ref size is `0`). - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `true` - boolean | `false` - string | `false` - number | `false` - binary | `false` - object | result of function `object_t::empty()` - array | result of function `array_t::empty()` - - @liveexample{The following code uses `empty()` to check if a JSON - object contains any elements.,empty} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `empty()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return whether a string stored as JSON value - is empty - it returns whether the JSON container itself is empty which is - false in the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `begin() == end()`. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ -bool empty() const noexcept -{ -switch (m_type) -{ -case value_t::null: -{ -// null values are empty -return true; -} - -case value_t::array: -{ -// delegate call to array_t::empty() -return m_value.array->empty(); -} - -case value_t::object: -{ -// delegate call to object_t::empty() -return m_value.object->empty(); -} - -default: -{ -// all other types are nonempty -return false; -} -} -} - -/*! - @brief returns the number of elements - - Returns the number of elements in a JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` - boolean | `1` - string | `1` - number | `1` - binary | `1` - object | result of function object_t::size() - array | result of function array_t::size() - - @liveexample{The following code calls `size()` on the different value - types.,size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their size() functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return the length of a string stored as JSON - value - it returns the number of elements in the JSON value which is 1 in - the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `std::distance(begin(), end())`. - - @sa @ref empty() -- checks whether the container is empty - @sa @ref max_size() -- returns the maximal number of elements - - @since version 1.0.0 - */ -size_type size() const noexcept -{ -switch (m_type) -{ -case value_t::null: -{ -// null values are empty -return 0; -} - -case value_t::array: -{ -// delegate call to array_t::size() -return m_value.array->size(); -} - -case value_t::object: -{ -// delegate call to object_t::size() -return m_value.object->size(); -} - -default: -{ -// all other types have size 1 -return 1; -} -} -} - -/*! - @brief returns the maximum possible number of elements - - Returns the maximum number of elements a JSON value is able to hold due to - system or library implementation limitations, i.e. `std::distance(begin(), - end())` for the JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` (same as `size()`) - boolean | `1` (same as `size()`) - string | `1` (same as `size()`) - number | `1` (same as `size()`) - binary | `1` (same as `size()`) - object | result of function `object_t::max_size()` - array | result of function `array_t::max_size()` - - @liveexample{The following code calls `max_size()` on the different value - types. Note the output is implementation specific.,max_size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `max_size()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of returning `b.size()` where `b` is the largest - possible JSON value. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ -size_type max_size() const noexcept -{ -switch (m_type) -{ -case value_t::array: -{ -// delegate call to array_t::max_size() -return m_value.array->max_size(); -} - -case value_t::object: -{ -// delegate call to object_t::max_size() -return m_value.object->max_size(); -} - -default: -{ -// all other types have max_size() == size() -return size(); -} -} -} - -/// @} - - -/////////////// -// modifiers // -/////////////// - -/// @name modifiers -/// @{ - -/*! - @brief clears the contents - - Clears the content of a JSON value and resets it to the default value as - if @ref basic_json(value_t) would have been called with the current value - type from @ref type(): - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - binary | An empty byte vector - object | `{}` - array | `[]` - - @post Has the same effect as calling - @code {.cpp} - *this = basic_json(type()); - @endcode - - @liveexample{The example below shows the effect of `clear()` to different - JSON types.,clear} - - @complexity Linear in the size of the JSON value. - - @iterators All iterators, pointers and references related to this container - are invalidated. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @sa @ref basic_json(value_t) -- constructor that creates an object with the - same value than calling `clear()` - - @since version 1.0.0 - */ -void clear() noexcept -{ -switch (m_type) -{ -case value_t::number_integer: -{ -m_value.number_integer = 0; -break; -} - -case value_t::number_unsigned: -{ -m_value.number_unsigned = 0; -break; -} - -case value_t::number_float: -{ -m_value.number_float = 0.0; -break; -} - -case value_t::boolean: -{ -m_value.boolean = false; -break; -} - -case value_t::string: -{ -m_value.string->clear(); -break; -} - -case value_t::binary: -{ -m_value.binary->clear(); -break; -} - -case value_t::array: -{ -m_value.array->clear(); -break; -} - -case value_t::object: -{ -m_value.object->clear(); -break; -} - -default: -break; -} -} - -/*! - @brief add an object to an array - - Appends the given element @a val to the end of the JSON value. If the - function is called on a JSON null value, an empty array is created before - appending @a val. - - @param[in] val the value to add to the JSON array - - @throw type_error.308 when called on a type other than JSON array or - null; example: `"cannot use push_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON array. Note how the `null` value was silently - converted to a JSON array.,push_back} - - @since version 1.0.0 - */ -void push_back(basic_json&& val) -{ -// push_back only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) -{ -JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); -} - -// transform null object into an array -if (is_null()) -{ -m_type = value_t::array; -m_value = value_t::array; -assert_invariant(); -} - -// add element to array (move semantics) -m_value.array->push_back(std::move(val)); -// if val is moved from, basic_json move constructor marks it null so we do not call the destructor -} - -/*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ -reference operator+=(basic_json&& val) -{ -push_back(std::move(val)); -return *this; -} - -/*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ -void push_back(const basic_json& val) -{ -// push_back only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) -{ -JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); -} - -// transform null object into an array -if (is_null()) -{ -m_type = value_t::array; -m_value = value_t::array; -assert_invariant(); -} - -// add element to array -m_value.array->push_back(val); -} - -/*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ -reference operator+=(const basic_json& val) -{ -push_back(val); -return *this; -} - -/*! - @brief add an object to an object - - Inserts the given element @a val to the JSON object. If the function is - called on a JSON null value, an empty object is created before inserting - @a val. - - @param[in] val the value to add to the JSON object - - @throw type_error.308 when called on a type other than JSON object or - null; example: `"cannot use push_back() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON object. Note how the `null` value was silently - converted to a JSON object.,push_back__object_t__value} - - @since version 1.0.0 - */ -void push_back(const typename object_t::value_type& val) -{ -// push_back only works for null objects or objects -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) -{ -JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); -} - -// transform null object into an object -if (is_null()) -{ -m_type = value_t::object; -m_value = value_t::object; -assert_invariant(); -} - -// add element to array -m_value.object->insert(val); -} - -/*! - @brief add an object to an object - @copydoc push_back(const typename object_t::value_type&) - */ -reference operator+=(const typename object_t::value_type& val) -{ -push_back(val); -return *this; -} - -/*! - @brief add an object to an object - - This function allows to use `push_back` with an initializer list. In case - - 1. the current value is an object, - 2. the initializer list @a init contains only two elements, and - 3. the first element of @a init is a string, - - @a init is converted into an object element and added using - @ref push_back(const typename object_t::value_type&). Otherwise, @a init - is converted to a JSON value and added using @ref push_back(basic_json&&). - - @param[in] init an initializer list - - @complexity Linear in the size of the initializer list @a init. - - @note This function is required to resolve an ambiguous overload error, - because pairs like `{"key", "value"}` can be both interpreted as - `object_t::value_type` or `std::initializer_list`, see - https://github.com/nlohmann/json/issues/235 for more information. - - @liveexample{The example shows how initializer lists are treated as - objects when possible.,push_back__initializer_list} - */ -void push_back(initializer_list_t init) -{ -if (is_object() && init.size() == 2 && (*init.begin())->is_string()) -{ -basic_json&& key = init.begin()->moved_or_copied(); -push_back(typename object_t::value_type( -std::move(key.get_ref()), (init.begin() + 1)->moved_or_copied())); -} -else -{ -push_back(basic_json(init)); -} -} - -/*! - @brief add an object to an object - @copydoc push_back(initializer_list_t) - */ -reference operator+=(initializer_list_t init) -{ -push_back(init); -return *this; -} - -/*! - @brief add an object to an array - - Creates a JSON value from the passed parameters @a args to the end of the - JSON value. If the function is called on a JSON null value, an empty array - is created before appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return reference to the inserted element - - @throw type_error.311 when called on a type other than JSON array or - null; example: `"cannot use emplace_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` can be used to add - elements to a JSON array. Note how the `null` value was silently converted - to a JSON array.,emplace_back} - - @since version 2.0.8, returns reference since 3.7.0 - */ -template -reference emplace_back(Args&& ... args) -{ -// emplace_back only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) -{ -JSON_THROW(type_error::create(311, "cannot use emplace_back() with " + std::string(type_name()))); -} - -// transform null object into an array -if (is_null()) -{ -m_type = value_t::array; -m_value = value_t::array; -assert_invariant(); -} - -// add element to array (perfect forwarding) -#ifdef JSON_HAS_CPP_17 -return m_value.array->emplace_back(std::forward(args)...); -#else -m_value.array->emplace_back(std::forward(args)...); -return m_value.array->back(); -#endif -} - -/*! - @brief add an object to an object if key does not exist - - Inserts a new element into a JSON object constructed in-place with the - given @a args if there is no element with the key in the container. If the - function is called on a JSON null value, an empty object is created before - appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return a pair consisting of an iterator to the inserted element, or the - already-existing element if no insertion happened, and a bool - denoting whether the insertion took place. - - @throw type_error.311 when called on a type other than JSON object or - null; example: `"cannot use emplace() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `emplace()` can be used to add elements - to a JSON object. Note how the `null` value was silently converted to a - JSON object. Further note how no value is added if there was already one - value stored with the same key.,emplace} - - @since version 2.0.8 - */ -template -std::pair emplace(Args&& ... args) -{ -// emplace only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) -{ -JSON_THROW(type_error::create(311, "cannot use emplace() with " + std::string(type_name()))); -} - -// transform null object into an object -if (is_null()) -{ -m_type = value_t::object; -m_value = value_t::object; -assert_invariant(); -} - -// add element to array (perfect forwarding) -auto res = m_value.object->emplace(std::forward(args)...); -// create result iterator and set iterator to the result of emplace -auto it = begin(); -it.m_it.object_iterator = res.first; - -// return pair of iterator and boolean -return {it, res.second}; -} - -/// Helper for insertion of an iterator -/// @note: This uses std::distance to support GCC 4.8, -/// see https://github.com/nlohmann/json/pull/1257 -template -iterator insert_iterator(const_iterator pos, Args&& ... args) -{ -iterator result(this); -JSON_ASSERT(m_value.array != nullptr); - -auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator); -m_value.array->insert(pos.m_it.array_iterator, std::forward(args)...); -result.m_it.array_iterator = m_value.array->begin() + insert_pos; - -// This could have been written as: -// result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); -// but the return value of insert is missing in GCC 4.8, so it is written this way instead. - -return result; -} - -/*! - @brief inserts element - - Inserts element @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] val element to insert - @return iterator pointing to the inserted @a val. - - @throw type_error.309 if called on JSON values other than arrays; - example: `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Constant plus linear in the distance between @a pos and end of - the container. - - @liveexample{The example shows how `insert()` is used.,insert} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, const basic_json& val) -{ -// insert only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// insert to array and return iterator -return insert_iterator(pos, val); -} - -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -/*! - @brief inserts element - @copydoc insert(const_iterator, const basic_json&) - */ -iterator insert(const_iterator pos, basic_json&& val) -{ -return insert(pos, val); -} - -/*! - @brief inserts elements - - Inserts @a cnt copies of @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] cnt number of copies of @a val to insert - @param[in] val element to insert - @return iterator pointing to the first element inserted, or @a pos if - `cnt==0` - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Linear in @a cnt plus linear in the distance between @a pos - and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__count} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, size_type cnt, const basic_json& val) -{ -// insert only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// insert to array and return iterator -return insert_iterator(pos, cnt, val); -} - -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -/*! - @brief inserts elements - - Inserts elements from range `[first, last)` before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - @throw invalid_iterator.211 if @a first or @a last are iterators into - container for which insert is called; example: `"passed iterators may not - belong to container"` - - @return iterator pointing to the first element inserted, or @a pos if - `first==last` - - @complexity Linear in `std::distance(first, last)` plus linear in the - distance between @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__range} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, const_iterator first, const_iterator last) -{ -// insert only works for arrays -if (JSON_HEDLEY_UNLIKELY(!is_array())) -{ -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// check if range iterators belong to the same JSON object -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); -} - -if (JSON_HEDLEY_UNLIKELY(first.m_object == this)) -{ -JSON_THROW(invalid_iterator::create(211, "passed iterators may not belong to container")); -} - -// insert to array and return iterator -return insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator); -} - -/*! - @brief inserts elements - - Inserts elements from initializer list @a ilist before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] ilist initializer list to insert the values from - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @return iterator pointing to the first element inserted, or @a pos if - `ilist` is empty - - @complexity Linear in `ilist.size()` plus linear in the distance between - @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__ilist} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, initializer_list_t ilist) -{ -// insert only works for arrays -if (JSON_HEDLEY_UNLIKELY(!is_array())) -{ -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// insert to array and return iterator -return insert_iterator(pos, ilist.begin(), ilist.end()); -} - -/*! - @brief inserts elements - - Inserts elements from range `[first, last)`. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than objects; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity Logarithmic: `O(N*log(size() + N))`, where `N` is the number - of elements to insert. - - @liveexample{The example shows how `insert()` is used.,insert__range_object} - - @since version 3.0.0 - */ -void insert(const_iterator first, const_iterator last) -{ -// insert only works for objects -if (JSON_HEDLEY_UNLIKELY(!is_object())) -{ -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -// check if range iterators belong to the same JSON object -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); -} - -// passed iterators must belong to objects -if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object())) -{ -JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); -} - -m_value.object->insert(first.m_it.object_iterator, last.m_it.object_iterator); -} - -/*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from JSON object @a j and overwrites existing keys. - - @param[in] j JSON object to read values from - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ -void update(const_reference j) -{ -// implicitly convert null value to an empty object -if (is_null()) -{ -m_type = value_t::object; -m_value.object = create(); -assert_invariant(); -} - -if (JSON_HEDLEY_UNLIKELY(!is_object())) -{ -JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); -} -if (JSON_HEDLEY_UNLIKELY(!j.is_object())) -{ -JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(j.type_name()))); -} - -for (auto it = j.cbegin(); it != j.cend(); ++it) -{ -m_value.object->operator[](it.key()) = it.value(); -} -} - -/*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from from range `[first, last)` and overwrites existing - keys. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used__range.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ -void update(const_iterator first, const_iterator last) -{ -// implicitly convert null value to an empty object -if (is_null()) -{ -m_type = value_t::object; -m_value.object = create(); -assert_invariant(); -} - -if (JSON_HEDLEY_UNLIKELY(!is_object())) -{ -JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); -} - -// check if range iterators belong to the same JSON object -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); -} - -// passed iterators must belong to objects -if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object() -|| !last.m_object->is_object())) -{ -JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); -} - -for (auto it = first; it != last; ++it) -{ -m_value.object->operator[](it.key()) = it.value(); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of the JSON value with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ -void swap(reference other) noexcept ( -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value&& -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value -) -{ -std::swap(m_type, other.m_type); -std::swap(m_value, other.m_value); -assert_invariant(); -} - -/*! - @brief exchanges the values - - Exchanges the contents of the JSON value from @a left with those of @a right. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. implemented as a friend function callable via ADL. - - @param[in,out] left JSON value to exchange the contents with - @param[in,out] right JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ -friend void swap(reference left, reference right) noexcept ( -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value&& -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value -) -{ -left.swap(right); -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON array with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other array to exchange the contents with - - @throw type_error.310 when JSON value is not an array; example: `"cannot - use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how arrays can be swapped with - `swap()`.,swap__array_t} - - @since version 1.0.0 - */ -void swap(array_t& other) -{ -// swap only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -std::swap(*(m_value.array), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON object with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other object to exchange the contents with - - @throw type_error.310 when JSON value is not an object; example: - `"cannot use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how objects can be swapped with - `swap()`.,swap__object_t} - - @since version 1.0.0 - */ -void swap(object_t& other) -{ -// swap only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -std::swap(*(m_value.object), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other string to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__string_t} - - @since version 1.0.0 - */ -void swap(string_t& other) -{ -// swap only works for strings -if (JSON_HEDLEY_LIKELY(is_string())) -{ -std::swap(*(m_value.string), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other binary to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__binary_t} - - @since version 3.8.0 - */ -void swap(binary_t& other) -{ -// swap only works for strings -if (JSON_HEDLEY_LIKELY(is_binary())) -{ -std::swap(*(m_value.binary), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/// @copydoc swap(binary_t) -void swap(typename binary_t::container_type& other) -{ -// swap only works for strings -if (JSON_HEDLEY_LIKELY(is_binary())) -{ -std::swap(*(m_value.binary), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/// @} - -public: -////////////////////////////////////////// -// lexicographical comparison operators // -////////////////////////////////////////// - -/// @name lexicographical comparison operators -/// @{ - -/*! - @brief comparison: equal - - Compares two JSON values for equality according to the following rules: - - Two JSON values are equal if (1) they are from the same type and (2) - their stored values are the same according to their respective - `operator==`. - - Integer and floating-point numbers are automatically converted before - comparison. Note that two NaN values are always treated as unequal. - - Two JSON null values are equal. - - @note Floating-point inside JSON values numbers are compared with - `json::number_float_t::operator==` which is `double::operator==` by - default. To compare floating-point while respecting an epsilon, an alternative - [comparison function](https://github.com/mariokonrad/marnav/blob/master/include/marnav/math/floatingpoint.hpp#L34-#L39) - could be used, for instance - @code {.cpp} - template::value, T>::type> - inline bool is_same(T a, T b, T epsilon = std::numeric_limits::epsilon()) noexcept - { - return std::abs(a - b) <= epsilon; - } - @endcode - Or you can self-defined operator equal function like this: - @code {.cpp} - bool my_equal(const_reference lhs, const_reference rhs) { - const auto lhs_type lhs.type(); - const auto rhs_type rhs.type(); - if (lhs_type == rhs_type) { - switch(lhs_type) - // self_defined case - case value_t::number_float: - return std::abs(lhs - rhs) <= std::numeric_limits::epsilon(); - // other cases remain the same with the original - ... - } - ... - } - @endcode - - @note NaN values never compare equal to themselves or to other NaN values. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are equal - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Linear. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__equal} - - @since version 1.0.0 - */ -friend bool operator==(const_reference lhs, const_reference rhs) noexcept -{ -const auto lhs_type = lhs.type(); -const auto rhs_type = rhs.type(); - -if (lhs_type == rhs_type) -{ -switch (lhs_type) -{ -case value_t::array: -return *lhs.m_value.array == *rhs.m_value.array; - -case value_t::object: -return *lhs.m_value.object == *rhs.m_value.object; - -case value_t::null: -return true; - -case value_t::string: -return *lhs.m_value.string == *rhs.m_value.string; - -case value_t::boolean: -return lhs.m_value.boolean == rhs.m_value.boolean; - -case value_t::number_integer: -return lhs.m_value.number_integer == rhs.m_value.number_integer; - -case value_t::number_unsigned: -return lhs.m_value.number_unsigned == rhs.m_value.number_unsigned; - -case value_t::number_float: -return lhs.m_value.number_float == rhs.m_value.number_float; - -case value_t::binary: -return *lhs.m_value.binary == *rhs.m_value.binary; - -default: -return false; -} -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_integer) == rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) -{ -return lhs.m_value.number_float == static_cast(rhs.m_value.number_integer); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_float == static_cast(rhs.m_value.number_unsigned); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) -{ -return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_integer; -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_integer == static_cast(rhs.m_value.number_unsigned); -} - -return false; -} - -/*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator==(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs == basic_json(rhs); -} - -/*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator==(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) == rhs; -} - -/*! - @brief comparison: not equal - - Compares two JSON values for inequality by calculating `not (lhs == rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are not equal - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__notequal} - - @since version 1.0.0 - */ -friend bool operator!=(const_reference lhs, const_reference rhs) noexcept -{ -return !(lhs == rhs); -} - -/*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator!=(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs != basic_json(rhs); -} - -/*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator!=(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) != rhs; -} - -/*! - @brief comparison: less than - - Compares whether one JSON value @a lhs is less than another JSON value @a - rhs according to the following rules: - - If @a lhs and @a rhs have the same type, the values are compared using - the default `<` operator. - - Integer and floating-point numbers are automatically converted before - comparison - - In case @a lhs and @a rhs have different types, the values are ignored - and the order of the types is considered, see - @ref operator<(const value_t, const value_t). - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__less} - - @since version 1.0.0 - */ -friend bool operator<(const_reference lhs, const_reference rhs) noexcept -{ -const auto lhs_type = lhs.type(); -const auto rhs_type = rhs.type(); - -if (lhs_type == rhs_type) -{ -switch (lhs_type) -{ -case value_t::array: -// note parentheses are necessary, see -// https://github.com/nlohmann/json/issues/1530 -return (*lhs.m_value.array) < (*rhs.m_value.array); - -case value_t::object: -return (*lhs.m_value.object) < (*rhs.m_value.object); - -case value_t::null: -return false; - -case value_t::string: -return (*lhs.m_value.string) < (*rhs.m_value.string); - -case value_t::boolean: -return (lhs.m_value.boolean) < (rhs.m_value.boolean); - -case value_t::number_integer: -return (lhs.m_value.number_integer) < (rhs.m_value.number_integer); - -case value_t::number_unsigned: -return (lhs.m_value.number_unsigned) < (rhs.m_value.number_unsigned); - -case value_t::number_float: -return (lhs.m_value.number_float) < (rhs.m_value.number_float); - -case value_t::binary: -return (*lhs.m_value.binary) < (*rhs.m_value.binary); - -default: -return false; -} -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_integer) < rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) -{ -return lhs.m_value.number_float < static_cast(rhs.m_value.number_integer); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_float < static_cast(rhs.m_value.number_unsigned); -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_integer < static_cast(rhs.m_value.number_unsigned); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) -{ -return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_integer; -} - -// We only reach this line if we cannot compare values. In that case, -// we compare types. Note we have to call the operator explicitly, -// because MSVC has problems otherwise. -return operator<(lhs_type, rhs_type); -} - -/*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs < basic_json(rhs); -} - -/*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) < rhs; -} - -/*! - @brief comparison: less than or equal - - Compares whether one JSON value @a lhs is less than or equal to another - JSON value by calculating `not (rhs < lhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greater} - - @since version 1.0.0 - */ -friend bool operator<=(const_reference lhs, const_reference rhs) noexcept -{ -return !(rhs < lhs); -} - -/*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<=(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs <= basic_json(rhs); -} - -/*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<=(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) <= rhs; -} - -/*! - @brief comparison: greater than - - Compares whether one JSON value @a lhs is greater than another - JSON value by calculating `not (lhs <= rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__lessequal} - - @since version 1.0.0 - */ -friend bool operator>(const_reference lhs, const_reference rhs) noexcept -{ -return !(lhs <= rhs); -} - -/*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs > basic_json(rhs); -} - -/*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) > rhs; -} - -/*! - @brief comparison: greater than or equal - - Compares whether one JSON value @a lhs is greater than or equal to another - JSON value by calculating `not (lhs < rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greaterequal} - - @since version 1.0.0 - */ -friend bool operator>=(const_reference lhs, const_reference rhs) noexcept -{ -return !(lhs < rhs); -} - -/*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>=(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs >= basic_json(rhs); -} - -/*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>=(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) >= rhs; -} - -/// @} - -/////////////////// -// serialization // -/////////////////// - -/// @name serialization -/// @{ - -/*! - @brief serialize to stream - - Serialize the given JSON value @a j to the output stream @a o. The JSON - value will be serialized using the @ref dump member function. - - - The indentation of the output can be controlled with the member variable - `width` of the output stream @a o. For instance, using the manipulator - `std::setw(4)` on @a o sets the indentation level to `4` and the - serialization result is the same as calling `dump(4)`. - - - The indentation character can be controlled with the member variable - `fill` of the output stream @a o. For instance, the manipulator - `std::setfill('\\t')` sets indentation to use a tab character rather than - the default space character. - - @param[in,out] o stream to serialize to - @param[in] j JSON value to serialize - - @return the stream @a o - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded - - @complexity Linear. - - @liveexample{The example below shows the serialization with different - parameters to `width` to adjust the indentation level.,operator_serialize} - - @since version 1.0.0; indentation character added in version 3.0.0 - */ -friend std::ostream& operator<<(std::ostream& o, const basic_json& j) -{ -// read width member and use it as indentation parameter if nonzero -const bool pretty_print = o.width() > 0; -const auto indentation = pretty_print ? o.width() : 0; - -// reset width to 0 for subsequent calls to this stream -o.width(0); - -// do the actual serialization -serializer s(detail::output_adapter(o), o.fill()); -s.dump(j, pretty_print, false, static_cast(indentation)); -return o; -} - -/*! - @brief serialize to stream - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use - @ref operator<<(std::ostream&, const basic_json&) - instead; that is, replace calls like `j >> o;` with `o << j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ -JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator<<(std::ostream&, const basic_json&)) -friend std::ostream& operator>>(const basic_json& j, std::ostream& o) -{ -return o << j; -} - -/// @} - - -///////////////////// -// deserialization // -///////////////////// - -/// @name deserialization -/// @{ - -/*! - @brief deserialize from a compatible input - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the parser callback function - @a cb or reading from the input @a i has a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `parse()` function reading - from an array.,parse__array__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__string__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__istream__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function reading - from a contiguous container.,parse__contiguouscontainer__parser_callback_t} - - @since version 2.0.3 (contiguous containers); version 3.9.0 allowed to - ignore comments. - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json parse(InputType&& i, -const parser_callback_t cb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false) -{ -basic_json result; -parser(detail::input_adapter(std::forward(i)), cb, allow_exceptions, ignore_comments).parse(true, result); -return result; -} - -/*! - @brief deserialize from a pair of character iterators - - The value_type of the iterator must be a integral type with size of 1, 2 or - 4 bytes, which will be interpreted respectively as UTF-8, UTF-16 and UTF-32. - - @param[in] first iterator to start of character range - @param[in] last iterator to end of character range - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json parse(IteratorType first, -IteratorType last, -const parser_callback_t cb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false) -{ -basic_json result; -parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions, ignore_comments).parse(true, result); -return result; -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len)) -static basic_json parse(detail::span_input_adapter&& i, -const parser_callback_t cb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false) -{ -basic_json result; -parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result); -return result; -} - -/*! - @brief check if the input is valid JSON - - Unlike the @ref parse(InputType&&, const parser_callback_t,const bool) - function, this function neither throws an exception in case of invalid JSON - input (i.e., a parse error) nor creates diagnostic information. - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return Whether the input read from @a i is valid JSON. - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `accept()` function reading - from a string.,accept__string} - */ -template -static bool accept(InputType&& i, -const bool ignore_comments = false) -{ -return parser(detail::input_adapter(std::forward(i)), nullptr, false, ignore_comments).accept(true); -} - -template -static bool accept(IteratorType first, IteratorType last, -const bool ignore_comments = false) -{ -return parser(detail::input_adapter(std::move(first), std::move(last)), nullptr, false, ignore_comments).accept(true); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, accept(ptr, ptr + len)) -static bool accept(detail::span_input_adapter&& i, -const bool ignore_comments = false) -{ -return parser(i.get(), nullptr, false, ignore_comments).accept(true); -} - -/*! - @brief generate SAX events - - The SAX event lister must follow the interface of @ref json_sax. - - This function reads from a compatible input. Examples are: - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in,out] sax SAX event listener - @param[in] format the format to parse (JSON, CBOR, MessagePack, or UBJSON) - @param[in] strict whether the input has to be consumed completely - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default); only applies to the JSON file format. - - @return return value of the last processed SAX event - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the SAX consumer @a sax has - a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `sax_parse()` function - reading from string and processing the events with a user-defined SAX - event consumer.,sax_parse} - - @since version 3.2.0 - */ -template -JSON_HEDLEY_NON_NULL(2) -static bool sax_parse(InputType&& i, SAX* sax, -input_format_t format = input_format_t::json, -const bool strict = true, -const bool ignore_comments = false) -{ -auto ia = detail::input_adapter(std::forward(i)); -return format == input_format_t::json -? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) -: detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); -} - -template -JSON_HEDLEY_NON_NULL(3) -static bool sax_parse(IteratorType first, IteratorType last, SAX* sax, -input_format_t format = input_format_t::json, -const bool strict = true, -const bool ignore_comments = false) -{ -auto ia = detail::input_adapter(std::move(first), std::move(last)); -return format == input_format_t::json -? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) -: detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); -} - -template -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, sax_parse(ptr, ptr + len, ...)) -JSON_HEDLEY_NON_NULL(2) -static bool sax_parse(detail::span_input_adapter&& i, SAX* sax, -input_format_t format = input_format_t::json, -const bool strict = true, -const bool ignore_comments = false) -{ -auto ia = i.get(); -return format == input_format_t::json -? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) -: detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); -} - -/*! - @brief deserialize from stream - @deprecated This stream operator is deprecated and will be removed in - version 4.0.0 of the library. Please use - @ref operator>>(std::istream&, basic_json&) - instead; that is, replace calls like `j << i;` with `i >> j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ -JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator>>(std::istream&, basic_json&)) -friend std::istream& operator<<(basic_json& j, std::istream& i) -{ -return operator>>(i, j); -} - -/*! - @brief deserialize from stream - - Deserializes an input stream to a JSON value. - - @param[in,out] i input stream to read a serialized JSON value from - @param[in,out] j JSON value to write the deserialized input to - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below shows how a JSON value is constructed by - reading a serialization from a stream.,operator_deserialize} - - @sa parse(std::istream&, const parser_callback_t) for a variant with a - parser callback function to filter values while parsing - - @since version 1.0.0 - */ -friend std::istream& operator>>(std::istream& i, basic_json& j) -{ -parser(detail::input_adapter(i)).parse(false, j); -return i; -} - -/// @} - -/////////////////////////// -// convenience functions // -/////////////////////////// - -/*! - @brief return the type as string - - Returns the type name as string to be used in error messages - usually to - indicate that a function was called on a wrong JSON type. - - @return a string representation of a the @a m_type member: - Value type | return value - ----------- | ------------- - null | `"null"` - boolean | `"boolean"` - string | `"string"` - number | `"number"` (for all number types) - object | `"object"` - array | `"array"` - binary | `"binary"` - discarded | `"discarded"` - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Constant. - - @liveexample{The following code exemplifies `type_name()` for all JSON - types.,type_name} - - @sa @ref type() -- return the type of the JSON value - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - - @since version 1.0.0, public since 2.1.0, `const char*` and `noexcept` - since 3.0.0 - */ -JSON_HEDLEY_RETURNS_NON_NULL -const char* type_name() const noexcept -{ -{ -switch (m_type) -{ -case value_t::null: -return "null"; -case value_t::object: -return "object"; -case value_t::array: -return "array"; -case value_t::string: -return "string"; -case value_t::boolean: -return "boolean"; -case value_t::binary: -return "binary"; -case value_t::discarded: -return "discarded"; -default: -return "number"; -} -} -} - - -JSON_PRIVATE_UNLESS_TESTED: -////////////////////// -// member variables // -////////////////////// - -/// the type of the current element -value_t m_type = value_t::null; - -/// the value of the current element -json_value m_value = {}; - -////////////////////////////////////////// -// binary serialization/deserialization // -////////////////////////////////////////// - -/// @name binary serialization/deserialization support -/// @{ - -public: -/*! - @brief create a CBOR serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the CBOR (Concise - Binary Object Representation) serialization format. CBOR is a binary - serialization format which aims to be more compact than JSON itself, yet - more efficient to parse. - - The library uses the following mapping from JSON values types to - CBOR types according to the CBOR specification (RFC 7049): - - JSON value type | value/range | CBOR type | first byte - --------------- | ------------------------------------------ | ---------------------------------- | --------------- - null | `null` | Null | 0xF6 - boolean | `true` | True | 0xF5 - boolean | `false` | False | 0xF4 - number_integer | -9223372036854775808..-2147483649 | Negative integer (8 bytes follow) | 0x3B - number_integer | -2147483648..-32769 | Negative integer (4 bytes follow) | 0x3A - number_integer | -32768..-129 | Negative integer (2 bytes follow) | 0x39 - number_integer | -128..-25 | Negative integer (1 byte follow) | 0x38 - number_integer | -24..-1 | Negative integer | 0x20..0x37 - number_integer | 0..23 | Integer | 0x00..0x17 - number_integer | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_integer | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_integer | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_integer | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_unsigned | 0..23 | Integer | 0x00..0x17 - number_unsigned | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_unsigned | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_unsigned | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_unsigned | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_float | *any value representable by a float* | Single-Precision Float | 0xFA - number_float | *any value NOT representable by a float* | Double-Precision Float | 0xFB - string | *length*: 0..23 | UTF-8 string | 0x60..0x77 - string | *length*: 23..255 | UTF-8 string (1 byte follow) | 0x78 - string | *length*: 256..65535 | UTF-8 string (2 bytes follow) | 0x79 - string | *length*: 65536..4294967295 | UTF-8 string (4 bytes follow) | 0x7A - string | *length*: 4294967296..18446744073709551615 | UTF-8 string (8 bytes follow) | 0x7B - array | *size*: 0..23 | array | 0x80..0x97 - array | *size*: 23..255 | array (1 byte follow) | 0x98 - array | *size*: 256..65535 | array (2 bytes follow) | 0x99 - array | *size*: 65536..4294967295 | array (4 bytes follow) | 0x9A - array | *size*: 4294967296..18446744073709551615 | array (8 bytes follow) | 0x9B - object | *size*: 0..23 | map | 0xA0..0xB7 - object | *size*: 23..255 | map (1 byte follow) | 0xB8 - object | *size*: 256..65535 | map (2 bytes follow) | 0xB9 - object | *size*: 65536..4294967295 | map (4 bytes follow) | 0xBA - object | *size*: 4294967296..18446744073709551615 | map (8 bytes follow) | 0xBB - binary | *size*: 0..23 | byte string | 0x40..0x57 - binary | *size*: 23..255 | byte string (1 byte follow) | 0x58 - binary | *size*: 256..65535 | byte string (2 bytes follow) | 0x59 - binary | *size*: 65536..4294967295 | byte string (4 bytes follow) | 0x5A - binary | *size*: 4294967296..18446744073709551615 | byte string (8 bytes follow) | 0x5B - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a CBOR value. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The following CBOR types are not used in the conversion: - - UTF-8 strings terminated by "break" (0x7F) - - arrays terminated by "break" (0x9F) - - maps terminated by "break" (0xBF) - - byte strings terminated by "break" (0x5F) - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - half-precision floats (0xF9) - - break (0xFF) - - @param[in] j JSON value to serialize - @return CBOR serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in CBOR format.,to_cbor} - - @sa http://cbor.io - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - analogous deserialization - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; compact representation of floating-point numbers - since version 3.8.0 - */ -static std::vector to_cbor(const basic_json& j) -{ -std::vector result; -to_cbor(j, result); -return result; -} - -static void to_cbor(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_cbor(j); -} - -static void to_cbor(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_cbor(j); -} - -/*! - @brief create a MessagePack serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the MessagePack - serialization format. MessagePack is a binary serialization format which - aims to be more compact than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - MessagePack types according to the MessagePack specification: - - JSON value type | value/range | MessagePack type | first byte - --------------- | --------------------------------- | ---------------- | ---------- - null | `null` | nil | 0xC0 - boolean | `true` | true | 0xC3 - boolean | `false` | false | 0xC2 - number_integer | -9223372036854775808..-2147483649 | int64 | 0xD3 - number_integer | -2147483648..-32769 | int32 | 0xD2 - number_integer | -32768..-129 | int16 | 0xD1 - number_integer | -128..-33 | int8 | 0xD0 - number_integer | -32..-1 | negative fixint | 0xE0..0xFF - number_integer | 0..127 | positive fixint | 0x00..0x7F - number_integer | 128..255 | uint 8 | 0xCC - number_integer | 256..65535 | uint 16 | 0xCD - number_integer | 65536..4294967295 | uint 32 | 0xCE - number_integer | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_unsigned | 0..127 | positive fixint | 0x00..0x7F - number_unsigned | 128..255 | uint 8 | 0xCC - number_unsigned | 256..65535 | uint 16 | 0xCD - number_unsigned | 65536..4294967295 | uint 32 | 0xCE - number_unsigned | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_float | *any value representable by a float* | float 32 | 0xCA - number_float | *any value NOT representable by a float* | float 64 | 0xCB - string | *length*: 0..31 | fixstr | 0xA0..0xBF - string | *length*: 32..255 | str 8 | 0xD9 - string | *length*: 256..65535 | str 16 | 0xDA - string | *length*: 65536..4294967295 | str 32 | 0xDB - array | *size*: 0..15 | fixarray | 0x90..0x9F - array | *size*: 16..65535 | array 16 | 0xDC - array | *size*: 65536..4294967295 | array 32 | 0xDD - object | *size*: 0..15 | fix map | 0x80..0x8F - object | *size*: 16..65535 | map 16 | 0xDE - object | *size*: 65536..4294967295 | map 32 | 0xDF - binary | *size*: 0..255 | bin 8 | 0xC4 - binary | *size*: 256..65535 | bin 16 | 0xC5 - binary | *size*: 65536..4294967295 | bin 32 | 0xC6 - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a MessagePack value. - - @note The following values can **not** be converted to a MessagePack value: - - strings with more than 4294967295 bytes - - byte strings with more than 4294967295 bytes - - arrays with more than 4294967295 elements - - objects with more than 4294967295 elements - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @param[in] j JSON value to serialize - @return MessagePack serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in MessagePack format.,to_msgpack} - - @sa http://msgpack.org - @sa @ref from_msgpack for the analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9 - */ -static std::vector to_msgpack(const basic_json& j) -{ -std::vector result; -to_msgpack(j, result); -return result; -} - -static void to_msgpack(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_msgpack(j); -} - -static void to_msgpack(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_msgpack(j); -} - -/*! - @brief create a UBJSON serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the UBJSON - (Universal Binary JSON) serialization format. UBJSON aims to be more compact - than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - UBJSON types according to the UBJSON specification: - - JSON value type | value/range | UBJSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | `Z` - boolean | `true` | true | `T` - boolean | `false` | false | `F` - number_integer | -9223372036854775808..-2147483649 | int64 | `L` - number_integer | -2147483648..-32769 | int32 | `l` - number_integer | -32768..-129 | int16 | `I` - number_integer | -128..127 | int8 | `i` - number_integer | 128..255 | uint8 | `U` - number_integer | 256..32767 | int16 | `I` - number_integer | 32768..2147483647 | int32 | `l` - number_integer | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 0..127 | int8 | `i` - number_unsigned | 128..255 | uint8 | `U` - number_unsigned | 256..32767 | int16 | `I` - number_unsigned | 32768..2147483647 | int32 | `l` - number_unsigned | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 2147483649..18446744073709551615 | high-precision | `H` - number_float | *any value* | float64 | `D` - string | *with shortest length indicator* | string | `S` - array | *see notes on optimized format* | array | `[` - object | *see notes on optimized format* | map | `{` - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a UBJSON value. - - @note The following values can **not** be converted to a UBJSON value: - - strings with more than 9223372036854775807 bytes (theoretical) - - @note The following markers are not used in the conversion: - - `Z`: no-op values are not created. - - `C`: single-byte strings are serialized with `S` markers. - - @note Any UBJSON output created @ref to_ubjson can be successfully parsed - by @ref from_ubjson. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The optimized formats for containers are supported: Parameter - @a use_size adds size information to the beginning of a container and - removes the closing marker. Parameter @a use_type further checks - whether all elements of a container have the same type and adds the - type marker to the beginning of the container. The @a use_type - parameter must only be used together with @a use_size = true. Note - that @a use_size = true alone may result in larger representations - - the benefit of this parameter is that the receiving side is - immediately informed on the number of elements of the container. - - @note If the JSON data contains the binary type, the value stored is a list - of integers, as suggested by the UBJSON documentation. In particular, - this means that serialization and the deserialization of a JSON - containing binary values into UBJSON and back will result in a - different JSON object. - - @param[in] j JSON value to serialize - @param[in] use_size whether to add size annotations to container types - @param[in] use_type whether to add type annotations to container types - (must be combined with @a use_size = true) - @return UBJSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in UBJSON format.,to_ubjson} - - @sa http://ubjson.org - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - - @since version 3.1.0 - */ -static std::vector to_ubjson(const basic_json& j, -const bool use_size = false, -const bool use_type = false) -{ -std::vector result; -to_ubjson(j, result, use_size, use_type); -return result; -} - -static void to_ubjson(const basic_json& j, detail::output_adapter o, -const bool use_size = false, const bool use_type = false) -{ -binary_writer(o).write_ubjson(j, use_size, use_type); -} - -static void to_ubjson(const basic_json& j, detail::output_adapter o, -const bool use_size = false, const bool use_type = false) -{ -binary_writer(o).write_ubjson(j, use_size, use_type); -} - - -/*! - @brief Serializes the given JSON object `j` to BSON and returns a vector - containing the corresponding BSON-representation. - - BSON (Binary JSON) is a binary format in which zero or more ordered key/value pairs are - stored as a single entity (a so-called document). - - The library uses the following mapping from JSON values types to BSON types: - - JSON value type | value/range | BSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | 0x0A - boolean | `true`, `false` | boolean | 0x08 - number_integer | -9223372036854775808..-2147483649 | int64 | 0x12 - number_integer | -2147483648..2147483647 | int32 | 0x10 - number_integer | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 0..2147483647 | int32 | 0x10 - number_unsigned | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 9223372036854775808..18446744073709551615| -- | -- - number_float | *any value* | double | 0x01 - string | *any value* | string | 0x02 - array | *any value* | document | 0x04 - object | *any value* | document | 0x03 - binary | *any value* | binary | 0x05 - - @warning The mapping is **incomplete**, since only JSON-objects (and things - contained therein) can be serialized to BSON. - Also, integers larger than 9223372036854775807 cannot be serialized to BSON, - and the keys may not contain U+0000, since they are serialized a - zero-terminated c-strings. - - @throw out_of_range.407 if `j.is_number_unsigned() && j.get() > 9223372036854775807` - @throw out_of_range.409 if a key in `j` contains a NULL (U+0000) - @throw type_error.317 if `!j.is_object()` - - @pre The input `j` is required to be an object: `j.is_object() == true`. - - @note Any BSON output created via @ref to_bson can be successfully parsed - by @ref from_bson. - - @param[in] j JSON value to serialize - @return BSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in BSON format.,to_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref from_bson(detail::input_adapter&&, const bool strict) for the - analogous deserialization - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - @sa @ref to_cbor(const basic_json&) for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - */ -static std::vector to_bson(const basic_json& j) -{ -std::vector result; -to_bson(j, result); -return result; -} - -/*! - @brief Serializes the given JSON object `j` to BSON and forwards the - corresponding BSON-representation to the given output_adapter `o`. - @param j The JSON object to convert to BSON. - @param o The output adapter that receives the binary BSON representation. - @pre The input `j` shall be an object: `j.is_object() == true` - @sa @ref to_bson(const basic_json&) - */ -static void to_bson(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_bson(j); -} - -/*! - @copydoc to_bson(const basic_json&, detail::output_adapter) - */ -static void to_bson(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_bson(j); -} - - -/*! - @brief create a JSON value from an input in CBOR format - - Deserializes a given input @a i to a JSON value using the CBOR (Concise - Binary Object Representation) serialization format. - - The library maps CBOR types to JSON value types as follows: - - CBOR type | JSON value type | first byte - ---------------------- | --------------- | ---------- - Integer | number_unsigned | 0x00..0x17 - Unsigned integer | number_unsigned | 0x18 - Unsigned integer | number_unsigned | 0x19 - Unsigned integer | number_unsigned | 0x1A - Unsigned integer | number_unsigned | 0x1B - Negative integer | number_integer | 0x20..0x37 - Negative integer | number_integer | 0x38 - Negative integer | number_integer | 0x39 - Negative integer | number_integer | 0x3A - Negative integer | number_integer | 0x3B - Byte string | binary | 0x40..0x57 - Byte string | binary | 0x58 - Byte string | binary | 0x59 - Byte string | binary | 0x5A - Byte string | binary | 0x5B - UTF-8 string | string | 0x60..0x77 - UTF-8 string | string | 0x78 - UTF-8 string | string | 0x79 - UTF-8 string | string | 0x7A - UTF-8 string | string | 0x7B - UTF-8 string | string | 0x7F - array | array | 0x80..0x97 - array | array | 0x98 - array | array | 0x99 - array | array | 0x9A - array | array | 0x9B - array | array | 0x9F - map | object | 0xA0..0xB7 - map | object | 0xB8 - map | object | 0xB9 - map | object | 0xBA - map | object | 0xBB - map | object | 0xBF - False | `false` | 0xF4 - True | `true` | 0xF5 - Null | `null` | 0xF6 - Half-Precision Float | number_float | 0xF9 - Single-Precision Float | number_float | 0xFA - Double-Precision Float | number_float | 0xFB - - @warning The mapping is **incomplete** in the sense that not all CBOR - types can be converted to a JSON value. The following CBOR types - are not supported and will yield parse errors (parse_error.112): - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - @warning CBOR allows map keys of any type, whereas JSON only allows - strings as keys in object values. Therefore, CBOR maps with keys - other than UTF-8 strings are rejected (parse_error.113). - - @note Any CBOR output created @ref to_cbor can be successfully parsed by - @ref from_cbor. - - @param[in] i an input in CBOR format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] tag_handler how to treat CBOR tags (optional, error by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from CBOR were - used in the given input @a v or if the input is not valid CBOR - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in CBOR - format to a JSON value.,from_cbor} - - @sa http://cbor.io - @sa @ref to_cbor(const basic_json&) for the analogous serialization - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for the - related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0; added @a tag_handler parameter since 3.9.0. - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_cbor(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_cbor(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); -return res ? result : basic_json(value_t::discarded); -} - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) -static basic_json from_cbor(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -return from_cbor(ptr, ptr + len, strict, allow_exceptions, tag_handler); -} - - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) -static basic_json from_cbor(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @brief create a JSON value from an input in MessagePack format - - Deserializes a given input @a i to a JSON value using the MessagePack - serialization format. - - The library maps MessagePack types to JSON value types as follows: - - MessagePack type | JSON value type | first byte - ---------------- | --------------- | ---------- - positive fixint | number_unsigned | 0x00..0x7F - fixmap | object | 0x80..0x8F - fixarray | array | 0x90..0x9F - fixstr | string | 0xA0..0xBF - nil | `null` | 0xC0 - false | `false` | 0xC2 - true | `true` | 0xC3 - float 32 | number_float | 0xCA - float 64 | number_float | 0xCB - uint 8 | number_unsigned | 0xCC - uint 16 | number_unsigned | 0xCD - uint 32 | number_unsigned | 0xCE - uint 64 | number_unsigned | 0xCF - int 8 | number_integer | 0xD0 - int 16 | number_integer | 0xD1 - int 32 | number_integer | 0xD2 - int 64 | number_integer | 0xD3 - str 8 | string | 0xD9 - str 16 | string | 0xDA - str 32 | string | 0xDB - array 16 | array | 0xDC - array 32 | array | 0xDD - map 16 | object | 0xDE - map 32 | object | 0xDF - bin 8 | binary | 0xC4 - bin 16 | binary | 0xC5 - bin 32 | binary | 0xC6 - ext 8 | binary | 0xC7 - ext 16 | binary | 0xC8 - ext 32 | binary | 0xC9 - fixext 1 | binary | 0xD4 - fixext 2 | binary | 0xD5 - fixext 4 | binary | 0xD6 - fixext 8 | binary | 0xD7 - fixext 16 | binary | 0xD8 - negative fixint | number_integer | 0xE0-0xFF - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @param[in] i an input in MessagePack format convertible to an input - adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from MessagePack were - used in the given input @a i or if the input is not valid MessagePack - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - MessagePack format to a JSON value.,from_msgpack} - - @sa http://msgpack.org - @sa @ref to_msgpack(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for - the related UBJSON format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0 - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_msgpack(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_msgpack(detail::input_adapter&&, const bool, const bool) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_msgpack(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) -static basic_json from_msgpack(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true) -{ -return from_msgpack(ptr, ptr + len, strict, allow_exceptions); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) -static basic_json from_msgpack(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - - -/*! - @brief create a JSON value from an input in UBJSON format - - Deserializes a given input @a i to a JSON value using the UBJSON (Universal - Binary JSON) serialization format. - - The library maps UBJSON types to JSON value types as follows: - - UBJSON type | JSON value type | marker - ----------- | --------------------------------------- | ------ - no-op | *no value, next value is read* | `N` - null | `null` | `Z` - false | `false` | `F` - true | `true` | `T` - float32 | number_float | `d` - float64 | number_float | `D` - uint8 | number_unsigned | `U` - int8 | number_integer | `i` - int16 | number_integer | `I` - int32 | number_integer | `l` - int64 | number_integer | `L` - high-precision number | number_integer, number_unsigned, or number_float - depends on number string | 'H' - string | string | `S` - char | string | `C` - array | array (optimized values are supported) | `[` - object | object (optimized values are supported) | `{` - - @note The mapping is **complete** in the sense that any UBJSON value can - be converted to a JSON value. - - @param[in] i an input in UBJSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if a parse error occurs - @throw parse_error.113 if a string could not be parsed successfully - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - UBJSON format to a JSON value.,from_ubjson} - - @sa http://ubjson.org - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 3.1.0; added @a allow_exceptions parameter since 3.2.0 - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_ubjson(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_ubjson(detail::input_adapter&&, const bool, const bool) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_ubjson(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) -static basic_json from_ubjson(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true) -{ -return from_ubjson(ptr, ptr + len, strict, allow_exceptions); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) -static basic_json from_ubjson(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - - -/*! - @brief Create a JSON value from an input in BSON format - - Deserializes a given input @a i to a JSON value using the BSON (Binary JSON) - serialization format. - - The library maps BSON record types to JSON value types as follows: - - BSON type | BSON marker byte | JSON value type - --------------- | ---------------- | --------------------------- - double | 0x01 | number_float - string | 0x02 | string - document | 0x03 | object - array | 0x04 | array - binary | 0x05 | binary - undefined | 0x06 | still unsupported - ObjectId | 0x07 | still unsupported - boolean | 0x08 | boolean - UTC Date-Time | 0x09 | still unsupported - null | 0x0A | null - Regular Expr. | 0x0B | still unsupported - DB Pointer | 0x0C | still unsupported - JavaScript Code | 0x0D | still unsupported - Symbol | 0x0E | still unsupported - JavaScript Code | 0x0F | still unsupported - int32 | 0x10 | number_integer - Timestamp | 0x11 | still unsupported - 128-bit decimal float | 0x13 | still unsupported - Max Key | 0x7F | still unsupported - Min Key | 0xFF | still unsupported - - @warning The mapping is **incomplete**. The unsupported mappings - are indicated in the table above. - - @param[in] i an input in BSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.114 if an unsupported BSON record type is encountered - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - BSON format to a JSON value.,from_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref to_bson(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_bson(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_bson(detail::input_adapter&&, const bool, const bool) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_bson(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) -static basic_json from_bson(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true) -{ -return from_bson(ptr, ptr + len, strict, allow_exceptions); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) -static basic_json from_bson(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} -/// @} - -////////////////////////// -// JSON Pointer support // -////////////////////////// - -/// @name JSON Pointer functions -/// @{ - -/*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. Similar to @ref operator[](const typename - object_t::key_type&), `null` values are created in arrays and objects if - necessary. - - In particular: - - If the JSON pointer points to an object key that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. - - If the JSON pointer points to an array index that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. All indices between the current maximum and the given - index are also filled with `null`. - - The special value `-` is treated as a synonym for the index past the - end. - - @param[in] ptr a JSON pointer - - @return reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer} - - @since version 2.0.0 - */ -reference operator[](const json_pointer& ptr) -{ -return ptr.get_unchecked(this); -} - -/*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. The function does not change the JSON - value; no `null` values are created. In particular, the special value - `-` yields an exception. - - @param[in] ptr JSON pointer to the desired element - - @return const reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer_const} - - @since version 2.0.0 - */ -const_reference operator[](const json_pointer& ptr) const -{ -return ptr.get_unchecked(this); -} - -/*! - @brief access specified element via JSON Pointer - - Returns a reference to the element at with specified JSON pointer @a ptr, - with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer} - */ -reference at(const json_pointer& ptr) -{ -return ptr.get_checked(this); -} - -/*! - @brief access specified element via JSON Pointer - - Returns a const reference to the element at with specified JSON pointer @a - ptr, with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer_const} - */ -const_reference at(const json_pointer& ptr) const -{ -return ptr.get_checked(this); -} - -/*! - @brief return flattened JSON value - - The function creates a JSON object whose keys are JSON pointers (see [RFC - 6901](https://tools.ietf.org/html/rfc6901)) and whose values are all - primitive. The original JSON value can be restored using the @ref - unflatten() function. - - @return an object that maps JSON pointers to primitive values - - @note Empty objects and arrays are flattened to `null` and will not be - reconstructed correctly by the @ref unflatten() function. - - @complexity Linear in the size the JSON value. - - @liveexample{The following code shows how a JSON object is flattened to an - object whose keys consist of JSON pointers.,flatten} - - @sa @ref unflatten() for the reverse function - - @since version 2.0.0 - */ -basic_json flatten() const -{ -basic_json result(value_t::object); -json_pointer::flatten("", *this, result); -return result; -} - -/*! - @brief unflatten a previously flattened JSON value - - The function restores the arbitrary nesting of a JSON value that has been - flattened before using the @ref flatten() function. The JSON value must - meet certain constraints: - 1. The value must be an object. - 2. The keys must be JSON pointers (see - [RFC 6901](https://tools.ietf.org/html/rfc6901)) - 3. The mapped values must be primitive JSON types. - - @return the original JSON from a flattened version - - @note Empty objects and arrays are flattened by @ref flatten() to `null` - values and can not unflattened to their original type. Apart from - this example, for a JSON value `j`, the following is always true: - `j == j.flatten().unflatten()`. - - @complexity Linear in the size the JSON value. - - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - - @liveexample{The following code shows how a flattened JSON object is - unflattened into the original nested JSON object.,unflatten} - - @sa @ref flatten() for the reverse function - - @since version 2.0.0 - */ -basic_json unflatten() const -{ -return json_pointer::unflatten(*this); -} - -/// @} - -////////////////////////// -// JSON Patch functions // -////////////////////////// - -/// @name JSON Patch functions -/// @{ - -/*! - @brief applies a JSON patch - - [JSON Patch](http://jsonpatch.com) defines a JSON document structure for - expressing a sequence of operations to apply to a JSON) document. With - this function, a JSON Patch is applied to the current JSON value by - executing all operations from the patch. - - @param[in] json_patch JSON patch document - @return patched document - - @note The application of a patch is atomic: Either all operations succeed - and the patched document is returned or an exception is thrown. In - any case, the original value is not changed: the patch is applied - to a copy of the value. - - @throw parse_error.104 if the JSON patch does not consist of an array of - objects - - @throw parse_error.105 if the JSON patch is malformed (e.g., mandatory - attributes are missing); example: `"operation add must have member path"` - - @throw out_of_range.401 if an array index is out of range. - - @throw out_of_range.403 if a JSON pointer inside the patch could not be - resolved successfully in the current JSON value; example: `"key baz not - found"` - - @throw out_of_range.405 if JSON pointer has no parent ("add", "remove", - "move") - - @throw other_error.501 if "test" operation was unsuccessful - - @complexity Linear in the size of the JSON value and the length of the - JSON patch. As usually only a fraction of the JSON value is affected by - the patch, the complexity can usually be neglected. - - @liveexample{The following code shows how a JSON patch is applied to a - value.,patch} - - @sa @ref diff -- create a JSON patch by comparing two JSON values - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - @sa [RFC 6901 (JSON Pointer)](https://tools.ietf.org/html/rfc6901) - - @since version 2.0.0 - */ -basic_json patch(const basic_json& json_patch) const -{ -// make a working copy to apply the patch to -basic_json result = *this; - -// the valid JSON Patch operations -enum class patch_operations {add, remove, replace, move, copy, test, invalid}; - -const auto get_op = [](const std::string & op) -{ -if (op == "add") -{ -return patch_operations::add; -} -if (op == "remove") -{ -return patch_operations::remove; -} -if (op == "replace") -{ -return patch_operations::replace; -} -if (op == "move") -{ -return patch_operations::move; -} -if (op == "copy") -{ -return patch_operations::copy; -} -if (op == "test") -{ -return patch_operations::test; -} - -return patch_operations::invalid; -}; - -// wrapper for "add" operation; add value at ptr -const auto operation_add = [&result](json_pointer & ptr, basic_json val) -{ -// adding to the root of the target document means replacing it -if (ptr.empty()) -{ -result = val; -return; -} - -// make sure the top element of the pointer exists -json_pointer top_pointer = ptr.top(); -if (top_pointer != ptr) -{ -result.at(top_pointer); -} - -// get reference to parent of JSON pointer ptr -const auto last_path = ptr.back(); -ptr.pop_back(); -basic_json& parent = result[ptr]; - -switch (parent.m_type) -{ -case value_t::null: -case value_t::object: -{ -// use operator[] to add value -parent[last_path] = val; -break; -} - -case value_t::array: -{ -if (last_path == "-") -{ -// special case: append to back -parent.push_back(val); -} -else -{ -const auto idx = json_pointer::array_index(last_path); -if (JSON_HEDLEY_UNLIKELY(idx > parent.size())) -{ -// avoid undefined behavior -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} - -// default case: insert add offset -parent.insert(parent.begin() + static_cast(idx), val); -} -break; -} - -// if there exists a parent it cannot be primitive -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -}; - -// wrapper for "remove" operation; remove value at ptr -const auto operation_remove = [&result](json_pointer & ptr) -{ -// get reference to parent of JSON pointer ptr -const auto last_path = ptr.back(); -ptr.pop_back(); -basic_json& parent = result.at(ptr); - -// remove child -if (parent.is_object()) -{ -// perform range check -auto it = parent.find(last_path); -if (JSON_HEDLEY_LIKELY(it != parent.end())) -{ -parent.erase(it); -} -else -{ -JSON_THROW(out_of_range::create(403, "key '" + last_path + "' not found")); -} -} -else if (parent.is_array()) -{ -// note erase performs range check -parent.erase(json_pointer::array_index(last_path)); -} -}; - -// type check: top level value must be an array -if (JSON_HEDLEY_UNLIKELY(!json_patch.is_array())) -{ -JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); -} - -// iterate and apply the operations -for (const auto& val : json_patch) -{ -// wrapper to get a value for an operation -const auto get_value = [&val](const std::string & op, -const std::string & member, -bool string_type) -> basic_json & -{ -// find value -auto it = val.m_value.object->find(member); - -// context-sensitive error message -const auto error_msg = (op == "op") ? "operation" : "operation '" + op + "'"; - -// check if desired value is present -if (JSON_HEDLEY_UNLIKELY(it == val.m_value.object->end())) -{ -JSON_THROW(parse_error::create(105, 0, error_msg + " must have member '" + member + "'")); -} - -// check if result is of type string -if (JSON_HEDLEY_UNLIKELY(string_type && !it->second.is_string())) -{ -JSON_THROW(parse_error::create(105, 0, error_msg + " must have string member '" + member + "'")); -} - -// no error: return value -return it->second; -}; - -// type check: every element of the array must be an object -if (JSON_HEDLEY_UNLIKELY(!val.is_object())) -{ -JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); -} - -// collect mandatory members -const auto op = get_value("op", "op", true).template get(); -const auto path = get_value(op, "path", true).template get(); -json_pointer ptr(path); - -switch (get_op(op)) -{ -case patch_operations::add: -{ -operation_add(ptr, get_value("add", "value", false)); -break; -} - -case patch_operations::remove: -{ -operation_remove(ptr); -break; -} - -case patch_operations::replace: -{ -// the "path" location must exist - use at() -result.at(ptr) = get_value("replace", "value", false); -break; -} - -case patch_operations::move: -{ -const auto from_path = get_value("move", "from", true).template get(); -json_pointer from_ptr(from_path); - -// the "from" location must exist - use at() -basic_json v = result.at(from_ptr); - -// The move operation is functionally identical to a -// "remove" operation on the "from" location, followed -// immediately by an "add" operation at the target -// location with the value that was just removed. -operation_remove(from_ptr); -operation_add(ptr, v); -break; -} - -case patch_operations::copy: -{ -const auto from_path = get_value("copy", "from", true).template get(); -const json_pointer from_ptr(from_path); - -// the "from" location must exist - use at() -basic_json v = result.at(from_ptr); - -// The copy is functionally identical to an "add" -// operation at the target location using the value -// specified in the "from" member. -operation_add(ptr, v); -break; -} - -case patch_operations::test: -{ -bool success = false; -JSON_TRY -{ -// check if "value" matches the one at "path" -// the "path" location must exist - use at() -success = (result.at(ptr) == get_value("test", "value", false)); -} -JSON_INTERNAL_CATCH (out_of_range&) -{ -// ignore out of range errors: success remains false -} - -// throw an exception if test fails -if (JSON_HEDLEY_UNLIKELY(!success)) -{ -JSON_THROW(other_error::create(501, "unsuccessful: " + val.dump())); -} - -break; -} - -default: -{ -// op must be "add", "remove", "replace", "move", "copy", or -// "test" -JSON_THROW(parse_error::create(105, 0, "operation value '" + op + "' is invalid")); -} -} -} - -return result; -} - -/*! - @brief creates a diff as a JSON patch - - Creates a [JSON Patch](http://jsonpatch.com) so that value @a source can - be changed into the value @a target by calling @ref patch function. - - @invariant For two JSON values @a source and @a target, the following code - yields always `true`: - @code {.cpp} - source.patch(diff(source, target)) == target; - @endcode - - @note Currently, only `remove`, `add`, and `replace` operations are - generated. - - @param[in] source JSON value to compare from - @param[in] target JSON value to compare against - @param[in] path helper value to create JSON pointers - - @return a JSON patch to convert the @a source to @a target - - @complexity Linear in the lengths of @a source and @a target. - - @liveexample{The following code shows how a JSON patch is created as a - diff for two JSON values.,diff} - - @sa @ref patch -- apply a JSON patch - @sa @ref merge_patch -- apply a JSON Merge Patch - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - - @since version 2.0.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json diff(const basic_json& source, const basic_json& target, -const std::string& path = "") -{ -// the patch -basic_json result(value_t::array); - -// if the values are the same, return empty patch -if (source == target) -{ -return result; -} - -if (source.type() != target.type()) -{ -// different types: replace value -result.push_back( -{ -{"op", "replace"}, {"path", path}, {"value", target} -}); -return result; -} - -switch (source.type()) -{ -case value_t::array: -{ -// first pass: traverse common elements -std::size_t i = 0; -while (i < source.size() && i < target.size()) -{ -// recursive call to compare array values at index i -auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i)); -result.insert(result.end(), temp_diff.begin(), temp_diff.end()); -++i; -} - -// i now reached the end of at least one array -// in a second pass, traverse the remaining elements - -// remove my remaining elements -const auto end_index = static_cast(result.size()); -while (i < source.size()) -{ -// add operations in reverse order to avoid invalid -// indices -result.insert(result.begin() + end_index, object( -{ -{"op", "remove"}, -{"path", path + "/" + std::to_string(i)} -})); -++i; -} - -// add other remaining elements -while (i < target.size()) -{ -result.push_back( -{ -{"op", "add"}, -{"path", path + "/-"}, -{"value", target[i]} -}); -++i; -} - -break; -} - -case value_t::object: -{ -// first pass: traverse this object's elements -for (auto it = source.cbegin(); it != source.cend(); ++it) -{ -// escape the key name to be used in a JSON patch -const auto key = json_pointer::escape(it.key()); - -if (target.find(it.key()) != target.end()) -{ -// recursive call to compare object values at key it -auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key); -result.insert(result.end(), temp_diff.begin(), temp_diff.end()); -} -else -{ -// found a key that is not in o -> remove it -result.push_back(object( -{ -{"op", "remove"}, {"path", path + "/" + key} -})); -} -} - -// second pass: traverse other object's elements -for (auto it = target.cbegin(); it != target.cend(); ++it) -{ -if (source.find(it.key()) == source.end()) -{ -// found a key that is not in this -> add it -const auto key = json_pointer::escape(it.key()); -result.push_back( -{ -{"op", "add"}, {"path", path + "/" + key}, -{"value", it.value()} -}); -} -} - -break; -} - -default: -{ -// both primitive type: replace value -result.push_back( -{ -{"op", "replace"}, {"path", path}, {"value", target} -}); -break; -} -} - -return result; -} - -/// @} - -//////////////////////////////// -// JSON Merge Patch functions // -//////////////////////////////// - -/// @name JSON Merge Patch functions -/// @{ - -/*! - @brief applies a JSON Merge Patch - - The merge patch format is primarily intended for use with the HTTP PATCH - method as a means of describing a set of modifications to a target - resource's content. This function applies a merge patch to the current - JSON value. - - The function implements the following algorithm from Section 2 of - [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396): - - ``` - define MergePatch(Target, Patch): - if Patch is an Object: - if Target is not an Object: - Target = {} // Ignore the contents and set it to an empty Object - for each Name/Value pair in Patch: - if Value is null: - if Name exists in Target: - remove the Name/Value pair from Target - else: - Target[Name] = MergePatch(Target[Name], Value) - return Target - else: - return Patch - ``` - - Thereby, `Target` is the current object; that is, the patch is applied to - the current value. - - @param[in] apply_patch the patch to apply - - @complexity Linear in the lengths of @a patch. - - @liveexample{The following code shows how a JSON Merge Patch is applied to - a JSON document.,merge_patch} - - @sa @ref patch -- apply a JSON patch - @sa [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396) - - @since version 3.0.0 - */ -void merge_patch(const basic_json& apply_patch) -{ -if (apply_patch.is_object()) -{ -if (!is_object()) -{ -*this = object(); -} -for (auto it = apply_patch.begin(); it != apply_patch.end(); ++it) -{ -if (it.value().is_null()) -{ -erase(it.key()); -} -else -{ -operator[](it.key()).merge_patch(it.value()); -} -} -} -else -{ -*this = apply_patch; -} -} - -/// @} -}; - -/*! -@brief user-defined to_string function for JSON values - -This function implements a user-defined to_string for JSON objects. - -@param[in] j a JSON object -@return a std::string object -*/ - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j) -{ -return j.dump(); -} -} // namespace nlohmann - -/////////////////////// -// nonmember support // -/////////////////////// - -// specialization of std::swap, and std::hash -namespace std -{ - -/// hash value for JSON objects -template<> -struct hash -{ -/*! - @brief return a hash value for a JSON object - - @since version 1.0.0 - */ -std::size_t operator()(const nlohmann::json& j) const -{ -return nlohmann::detail::hash(j); -} -}; - -/// specialization for std::less -/// @note: do not remove the space after '<', -/// see https://github.com/nlohmann/json/pull/679 -template<> -struct less<::nlohmann::detail::value_t> -{ -/*! - @brief compare two value_t enum values - @since version 3.0.0 - */ -bool operator()(nlohmann::detail::value_t lhs, -nlohmann::detail::value_t rhs) const noexcept -{ -return nlohmann::detail::operator<(lhs, rhs); -} -}; - -// C++20 prohibit function specialization in the std namespace. -#ifndef JSON_HAS_CPP_20 - -/*! -@brief exchanges the values of two JSON objects - -@since version 1.0.0 -*/ -template<> -inline void swap(nlohmann::json& j1, nlohmann::json& j2) noexcept( -is_nothrow_move_constructible::value&& -is_nothrow_move_assignable::value -) -{ -j1.swap(j2); -} - -#endif - -} // namespace std - -/*! -@brief user-defined string literal for JSON values - -This operator implements a user-defined string literal for JSON objects. It -can be used by adding `"_json"` to a string literal and returns a JSON object -if no parse error occurred. - -@param[in] s a string representation of a JSON object -@param[in] n the length of string @a s -@return a JSON object - -@since version 1.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json operator "" _json(const char* s, std::size_t n) -{ -return nlohmann::json::parse(s, s + n); -} - -/*! -@brief user-defined string literal for JSON pointer - -This operator implements a user-defined string literal for JSON Pointers. It -can be used by adding `"_json_pointer"` to a string literal and returns a JSON pointer -object if no parse error occurred. - -@param[in] s a string representation of a JSON Pointer -@param[in] n the length of string @a s -@return a JSON pointer object - -@since version 2.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n) -{ -return nlohmann::json::json_pointer(std::string(s, n)); -} - -// #include - - -// restore GCC/clang diagnostic settings -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) -#pragma GCC diagnostic pop -#endif -#if defined(__clang__) -#pragma GCC diagnostic pop -#endif - -// clean up -#undef JSON_ASSERT -#undef JSON_INTERNAL_CATCH -#undef JSON_CATCH -#undef JSON_THROW -#undef JSON_TRY -#undef JSON_PRIVATE_UNLESS_TESTED -#undef JSON_HAS_CPP_14 -#undef JSON_HAS_CPP_17 -#undef NLOHMANN_BASIC_JSON_TPL_DECLARATION -#undef NLOHMANN_BASIC_JSON_TPL -#undef JSON_EXPLICIT - -// #include -#undef JSON_HEDLEY_ALWAYS_INLINE -#undef JSON_HEDLEY_ARM_VERSION -#undef JSON_HEDLEY_ARM_VERSION_CHECK -#undef JSON_HEDLEY_ARRAY_PARAM -#undef JSON_HEDLEY_ASSUME -#undef JSON_HEDLEY_BEGIN_C_DECLS -#undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#undef JSON_HEDLEY_CLANG_HAS_FEATURE -#undef JSON_HEDLEY_CLANG_HAS_WARNING -#undef JSON_HEDLEY_COMPCERT_VERSION -#undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#undef JSON_HEDLEY_CONCAT -#undef JSON_HEDLEY_CONCAT3 -#undef JSON_HEDLEY_CONCAT3_EX -#undef JSON_HEDLEY_CONCAT_EX -#undef JSON_HEDLEY_CONST -#undef JSON_HEDLEY_CONSTEXPR -#undef JSON_HEDLEY_CONST_CAST -#undef JSON_HEDLEY_CPP_CAST -#undef JSON_HEDLEY_CRAY_VERSION -#undef JSON_HEDLEY_CRAY_VERSION_CHECK -#undef JSON_HEDLEY_C_DECL -#undef JSON_HEDLEY_DEPRECATED -#undef JSON_HEDLEY_DEPRECATED_FOR -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#undef JSON_HEDLEY_DIAGNOSTIC_POP -#undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#undef JSON_HEDLEY_DMC_VERSION -#undef JSON_HEDLEY_DMC_VERSION_CHECK -#undef JSON_HEDLEY_EMPTY_BASES -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#undef JSON_HEDLEY_END_C_DECLS -#undef JSON_HEDLEY_FLAGS -#undef JSON_HEDLEY_FLAGS_CAST -#undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_BUILTIN -#undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_EXTENSION -#undef JSON_HEDLEY_GCC_HAS_FEATURE -#undef JSON_HEDLEY_GCC_HAS_WARNING -#undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#undef JSON_HEDLEY_GCC_VERSION -#undef JSON_HEDLEY_GCC_VERSION_CHECK -#undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#undef JSON_HEDLEY_GNUC_HAS_FEATURE -#undef JSON_HEDLEY_GNUC_HAS_WARNING -#undef JSON_HEDLEY_GNUC_VERSION -#undef JSON_HEDLEY_GNUC_VERSION_CHECK -#undef JSON_HEDLEY_HAS_ATTRIBUTE -#undef JSON_HEDLEY_HAS_BUILTIN -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_HAS_EXTENSION -#undef JSON_HEDLEY_HAS_FEATURE -#undef JSON_HEDLEY_HAS_WARNING -#undef JSON_HEDLEY_IAR_VERSION -#undef JSON_HEDLEY_IAR_VERSION_CHECK -#undef JSON_HEDLEY_IBM_VERSION -#undef JSON_HEDLEY_IBM_VERSION_CHECK -#undef JSON_HEDLEY_IMPORT -#undef JSON_HEDLEY_INLINE -#undef JSON_HEDLEY_INTEL_CL_VERSION -#undef JSON_HEDLEY_INTEL_CL_VERSION_CHECK -#undef JSON_HEDLEY_INTEL_VERSION -#undef JSON_HEDLEY_INTEL_VERSION_CHECK -#undef JSON_HEDLEY_IS_CONSTANT -#undef JSON_HEDLEY_IS_CONSTEXPR_ -#undef JSON_HEDLEY_LIKELY -#undef JSON_HEDLEY_MALLOC -#undef JSON_HEDLEY_MESSAGE -#undef JSON_HEDLEY_MSVC_VERSION -#undef JSON_HEDLEY_MSVC_VERSION_CHECK -#undef JSON_HEDLEY_NEVER_INLINE -#undef JSON_HEDLEY_NON_NULL -#undef JSON_HEDLEY_NO_ESCAPE -#undef JSON_HEDLEY_NO_RETURN -#undef JSON_HEDLEY_NO_THROW -#undef JSON_HEDLEY_NULL -#undef JSON_HEDLEY_PELLES_VERSION -#undef JSON_HEDLEY_PELLES_VERSION_CHECK -#undef JSON_HEDLEY_PGI_VERSION -#undef JSON_HEDLEY_PGI_VERSION_CHECK -#undef JSON_HEDLEY_PREDICT -#undef JSON_HEDLEY_PRINTF_FORMAT -#undef JSON_HEDLEY_PRIVATE -#undef JSON_HEDLEY_PUBLIC -#undef JSON_HEDLEY_PURE -#undef JSON_HEDLEY_REINTERPRET_CAST -#undef JSON_HEDLEY_REQUIRE -#undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#undef JSON_HEDLEY_REQUIRE_MSG -#undef JSON_HEDLEY_RESTRICT -#undef JSON_HEDLEY_RETURNS_NON_NULL -#undef JSON_HEDLEY_SENTINEL -#undef JSON_HEDLEY_STATIC_ASSERT -#undef JSON_HEDLEY_STATIC_CAST -#undef JSON_HEDLEY_STRINGIFY -#undef JSON_HEDLEY_STRINGIFY_EX -#undef JSON_HEDLEY_SUNPRO_VERSION -#undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#undef JSON_HEDLEY_TINYC_VERSION -#undef JSON_HEDLEY_TINYC_VERSION_CHECK -#undef JSON_HEDLEY_TI_ARMCL_VERSION -#undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL2000_VERSION -#undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL430_VERSION -#undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL6X_VERSION -#undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL7X_VERSION -#undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CLPRU_VERSION -#undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#undef JSON_HEDLEY_TI_VERSION -#undef JSON_HEDLEY_TI_VERSION_CHECK -#undef JSON_HEDLEY_UNAVAILABLE -#undef JSON_HEDLEY_UNLIKELY -#undef JSON_HEDLEY_UNPREDICTABLE -#undef JSON_HEDLEY_UNREACHABLE -#undef JSON_HEDLEY_UNREACHABLE_RETURN -#undef JSON_HEDLEY_VERSION -#undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#undef JSON_HEDLEY_VERSION_DECODE_MINOR -#undef JSON_HEDLEY_VERSION_DECODE_REVISION -#undef JSON_HEDLEY_VERSION_ENCODE -#undef JSON_HEDLEY_WARNING -#undef JSON_HEDLEY_WARN_UNUSED_RESULT -#undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#undef JSON_HEDLEY_FALL_THROUGH - - - -#endif // INCLUDE_NLOHMANN_JSON_HPP_ -/* - __ _____ _____ _____ - __| | __| | | | JSON for Modern C++ -| | |__ | | | | | | version 3.9.1 -|_____|_____|_____|_|___| https://github.com/nlohmann/json - -Licensed under the MIT License . -SPDX-License-Identifier: MIT -Copyright (c) 2013-2019 Niels Lohmann . - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -#ifndef INCLUDE_NLOHMANN_JSON_HPP_ -#define INCLUDE_NLOHMANN_JSON_HPP_ - -#define NLOHMANN_JSON_VERSION_MAJOR 3 -#define NLOHMANN_JSON_VERSION_MINOR 9 -#define NLOHMANN_JSON_VERSION_PATCH 1 - -#include // all_of, find, for_each -#include // nullptr_t, ptrdiff_t, size_t -#include // hash, less -#include // initializer_list -#include // istream, ostream -#include // random_access_iterator_tag -#include // unique_ptr -#include // accumulate -#include // string, stoi, to_string -#include // declval, forward, move, pair, swap -#include // vector - -// #include - - -#include - -// #include - - -#include // transform -#include // array -#include // forward_list -#include // inserter, front_inserter, end -#include // map -#include // string -#include // tuple, make_tuple -#include // is_arithmetic, is_same, is_enum, underlying_type, is_convertible -#include // unordered_map -#include // pair, declval -#include // valarray - -// #include - - -#include // exception -#include // runtime_error -#include // to_string - -// #include - - -#include // size_t - -namespace nlohmann -{ -namespace detail -{ -/// struct to capture the start position of the current token -struct position_t -{ -/// the total number of characters read -std::size_t chars_read_total = 0; -/// the number of characters read in the current line -std::size_t chars_read_current_line = 0; -/// the number of lines read -std::size_t lines_read = 0; - -/// conversion to size_t to preserve SAX interface -constexpr operator size_t() const -{ -return chars_read_total; -} -}; - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // pair -// #include -/* Hedley - https://nemequ.github.io/hedley - * Created by Evan Nemerson - * - * To the extent possible under law, the author(s) have dedicated all - * copyright and related and neighboring rights to this software to - * the public domain worldwide. This software is distributed without - * any warranty. - * - * For details, see . - * SPDX-License-Identifier: CC0-1.0 - */ - -#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 14) -#if defined(JSON_HEDLEY_VERSION) -#undef JSON_HEDLEY_VERSION -#endif -#define JSON_HEDLEY_VERSION 14 - -#if defined(JSON_HEDLEY_STRINGIFY_EX) -#undef JSON_HEDLEY_STRINGIFY_EX -#endif -#define JSON_HEDLEY_STRINGIFY_EX(x) #x - -#if defined(JSON_HEDLEY_STRINGIFY) -#undef JSON_HEDLEY_STRINGIFY -#endif -#define JSON_HEDLEY_STRINGIFY(x) JSON_HEDLEY_STRINGIFY_EX(x) - -#if defined(JSON_HEDLEY_CONCAT_EX) -#undef JSON_HEDLEY_CONCAT_EX -#endif -#define JSON_HEDLEY_CONCAT_EX(a,b) a##b - -#if defined(JSON_HEDLEY_CONCAT) -#undef JSON_HEDLEY_CONCAT -#endif -#define JSON_HEDLEY_CONCAT(a,b) JSON_HEDLEY_CONCAT_EX(a,b) - -#if defined(JSON_HEDLEY_CONCAT3_EX) -#undef JSON_HEDLEY_CONCAT3_EX -#endif -#define JSON_HEDLEY_CONCAT3_EX(a,b,c) a##b##c - -#if defined(JSON_HEDLEY_CONCAT3) -#undef JSON_HEDLEY_CONCAT3 -#endif -#define JSON_HEDLEY_CONCAT3(a,b,c) JSON_HEDLEY_CONCAT3_EX(a,b,c) - -#if defined(JSON_HEDLEY_VERSION_ENCODE) -#undef JSON_HEDLEY_VERSION_ENCODE -#endif -#define JSON_HEDLEY_VERSION_ENCODE(major,minor,revision) (((major) * 1000000) + ((minor) * 1000) + (revision)) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MAJOR) -#undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MAJOR(version) ((version) / 1000000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_MINOR) -#undef JSON_HEDLEY_VERSION_DECODE_MINOR -#endif -#define JSON_HEDLEY_VERSION_DECODE_MINOR(version) (((version) % 1000000) / 1000) - -#if defined(JSON_HEDLEY_VERSION_DECODE_REVISION) -#undef JSON_HEDLEY_VERSION_DECODE_REVISION -#endif -#define JSON_HEDLEY_VERSION_DECODE_REVISION(version) ((version) % 1000) - -#if defined(JSON_HEDLEY_GNUC_VERSION) -#undef JSON_HEDLEY_GNUC_VERSION -#endif -#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) -#define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) -#elif defined(__GNUC__) -#define JSON_HEDLEY_GNUC_VERSION JSON_HEDLEY_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, 0) -#endif - -#if defined(JSON_HEDLEY_GNUC_VERSION_CHECK) -#undef JSON_HEDLEY_GNUC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GNUC_VERSION) -#define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GNUC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION) -#undef JSON_HEDLEY_MSVC_VERSION -#endif -#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) && !defined(__ICL) -#define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100) -#elif defined(_MSC_FULL_VER) && !defined(__ICL) -#define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10) -#elif defined(_MSC_VER) && !defined(__ICL) -#define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_MSVC_VERSION_CHECK) -#undef JSON_HEDLEY_MSVC_VERSION_CHECK -#endif -#if !defined(JSON_HEDLEY_MSVC_VERSION) -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (0) -#elif defined(_MSC_VER) && (_MSC_VER >= 1400) -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) -#elif defined(_MSC_VER) && (_MSC_VER >= 1200) -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) -#else -#define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_VER >= ((major * 100) + (minor))) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION) -#undef JSON_HEDLEY_INTEL_VERSION -#endif -#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && !defined(__ICL) -#define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE) -#elif defined(__INTEL_COMPILER) && !defined(__ICL) -#define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) -#endif - -#if defined(JSON_HEDLEY_INTEL_VERSION_CHECK) -#undef JSON_HEDLEY_INTEL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_INTEL_VERSION) -#define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_INTEL_CL_VERSION) -#undef JSON_HEDLEY_INTEL_CL_VERSION -#endif -#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && defined(__ICL) -#define JSON_HEDLEY_INTEL_CL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER, __INTEL_COMPILER_UPDATE, 0) -#endif - -#if defined(JSON_HEDLEY_INTEL_CL_VERSION_CHECK) -#undef JSON_HEDLEY_INTEL_CL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_INTEL_CL_VERSION) -#define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_CL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION) -#undef JSON_HEDLEY_PGI_VERSION -#endif -#if defined(__PGI) && defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) -#define JSON_HEDLEY_PGI_VERSION JSON_HEDLEY_VERSION_ENCODE(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) -#endif - -#if defined(JSON_HEDLEY_PGI_VERSION_CHECK) -#undef JSON_HEDLEY_PGI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PGI_VERSION) -#define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PGI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_PGI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION) -#undef JSON_HEDLEY_SUNPRO_VERSION -#endif -#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), (__SUNPRO_C & 0xf) * 10) -#elif defined(__SUNPRO_C) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_C >> 8) & 0xf, (__SUNPRO_C >> 4) & 0xf, (__SUNPRO_C) & 0xf) -#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), (__SUNPRO_CC & 0xf) * 10) -#elif defined(__SUNPRO_CC) -#define JSON_HEDLEY_SUNPRO_VERSION JSON_HEDLEY_VERSION_ENCODE((__SUNPRO_CC >> 8) & 0xf, (__SUNPRO_CC >> 4) & 0xf, (__SUNPRO_CC) & 0xf) -#endif - -#if defined(JSON_HEDLEY_SUNPRO_VERSION_CHECK) -#undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_SUNPRO_VERSION) -#define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_SUNPRO_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_SUNPRO_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#endif -#if defined(__EMSCRIPTEN__) -#define JSON_HEDLEY_EMSCRIPTEN_VERSION JSON_HEDLEY_VERSION_ENCODE(__EMSCRIPTEN_major__, __EMSCRIPTEN_minor__, __EMSCRIPTEN_tiny__) -#endif - -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK) -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_EMSCRIPTEN_VERSION) -#define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_EMSCRIPTEN_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION) -#undef JSON_HEDLEY_ARM_VERSION -#endif -#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) -#define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCOMPILER_VERSION / 1000000, (__ARMCOMPILER_VERSION % 1000000) / 10000, (__ARMCOMPILER_VERSION % 10000) / 100) -#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) -#define JSON_HEDLEY_ARM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ARMCC_VERSION / 1000000, (__ARMCC_VERSION % 1000000) / 10000, (__ARMCC_VERSION % 10000) / 100) -#endif - -#if defined(JSON_HEDLEY_ARM_VERSION_CHECK) -#undef JSON_HEDLEY_ARM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_ARM_VERSION) -#define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_ARM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_ARM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION) -#undef JSON_HEDLEY_IBM_VERSION -#endif -#if defined(__ibmxl__) -#define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__ibmxl_version__, __ibmxl_release__, __ibmxl_modification__) -#elif defined(__xlC__) && defined(__xlC_ver__) -#define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) -#elif defined(__xlC__) -#define JSON_HEDLEY_IBM_VERSION JSON_HEDLEY_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, 0) -#endif - -#if defined(JSON_HEDLEY_IBM_VERSION_CHECK) -#undef JSON_HEDLEY_IBM_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IBM_VERSION) -#define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IBM_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_IBM_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_VERSION) -#undef JSON_HEDLEY_TI_VERSION -#endif -#if \ - defined(__TI_COMPILER_VERSION__) && \ - ( \ - defined(__TMS470__) || defined(__TI_ARM__) || \ - defined(__MSP430__) || \ - defined(__TMS320C2000__) \ - ) -#if (__TI_COMPILER_VERSION__ >= 16000000) -#define JSON_HEDLEY_TI_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif -#endif - -#if defined(JSON_HEDLEY_TI_VERSION_CHECK) -#undef JSON_HEDLEY_TI_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_VERSION) -#define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) -#undef JSON_HEDLEY_TI_CL2000_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C2000__) -#define JSON_HEDLEY_TI_CL2000_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL2000_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL2000_VERSION) -#define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL2000_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL2000_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION) -#undef JSON_HEDLEY_TI_CL430_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__MSP430__) -#define JSON_HEDLEY_TI_CL430_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL430_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL430_VERSION) -#define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL430_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL430_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) -#undef JSON_HEDLEY_TI_ARMCL_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && (defined(__TMS470__) || defined(__TI_ARM__)) -#define JSON_HEDLEY_TI_ARMCL_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION_CHECK) -#undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_ARMCL_VERSION) -#define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_ARMCL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) -#undef JSON_HEDLEY_TI_CL6X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C6X__) -#define JSON_HEDLEY_TI_CL6X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL6X_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL6X_VERSION) -#define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL6X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL6X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) -#undef JSON_HEDLEY_TI_CL7X_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__C7000__) -#define JSON_HEDLEY_TI_CL7X_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CL7X_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CL7X_VERSION) -#define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CL7X_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CL7X_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) -#undef JSON_HEDLEY_TI_CLPRU_VERSION -#endif -#if defined(__TI_COMPILER_VERSION__) && defined(__PRU__) -#define JSON_HEDLEY_TI_CLPRU_VERSION JSON_HEDLEY_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) -#endif - -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION_CHECK) -#undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TI_CLPRU_VERSION) -#define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TI_CLPRU_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION) -#undef JSON_HEDLEY_CRAY_VERSION -#endif -#if defined(_CRAYC) -#if defined(_RELEASE_PATCHLEVEL) -#define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, _RELEASE_PATCHLEVEL) -#else -#define JSON_HEDLEY_CRAY_VERSION JSON_HEDLEY_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, 0) -#endif -#endif - -#if defined(JSON_HEDLEY_CRAY_VERSION_CHECK) -#undef JSON_HEDLEY_CRAY_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_CRAY_VERSION) -#define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_CRAY_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_CRAY_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION) -#undef JSON_HEDLEY_IAR_VERSION -#endif -#if defined(__IAR_SYSTEMS_ICC__) -#if __VER__ > 1000 -#define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000)) -#else -#define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(VER / 100, __VER__ % 100, 0) -#endif -#endif - -#if defined(JSON_HEDLEY_IAR_VERSION_CHECK) -#undef JSON_HEDLEY_IAR_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_IAR_VERSION) -#define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_IAR_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_IAR_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION) -#undef JSON_HEDLEY_TINYC_VERSION -#endif -#if defined(__TINYC__) -#define JSON_HEDLEY_TINYC_VERSION JSON_HEDLEY_VERSION_ENCODE(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) -#endif - -#if defined(JSON_HEDLEY_TINYC_VERSION_CHECK) -#undef JSON_HEDLEY_TINYC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_TINYC_VERSION) -#define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_TINYC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_TINYC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION) -#undef JSON_HEDLEY_DMC_VERSION -#endif -#if defined(__DMC__) -#define JSON_HEDLEY_DMC_VERSION JSON_HEDLEY_VERSION_ENCODE(__DMC__ >> 8, (__DMC__ >> 4) & 0xf, __DMC__ & 0xf) -#endif - -#if defined(JSON_HEDLEY_DMC_VERSION_CHECK) -#undef JSON_HEDLEY_DMC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_DMC_VERSION) -#define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_DMC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_DMC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION) -#undef JSON_HEDLEY_COMPCERT_VERSION -#endif -#if defined(__COMPCERT_VERSION__) -#define JSON_HEDLEY_COMPCERT_VERSION JSON_HEDLEY_VERSION_ENCODE(__COMPCERT_VERSION__ / 10000, (__COMPCERT_VERSION__ / 100) % 100, __COMPCERT_VERSION__ % 100) -#endif - -#if defined(JSON_HEDLEY_COMPCERT_VERSION_CHECK) -#undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_COMPCERT_VERSION) -#define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_COMPCERT_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_COMPCERT_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION) -#undef JSON_HEDLEY_PELLES_VERSION -#endif -#if defined(__POCC__) -#define JSON_HEDLEY_PELLES_VERSION JSON_HEDLEY_VERSION_ENCODE(__POCC__ / 100, __POCC__ % 100, 0) -#endif - -#if defined(JSON_HEDLEY_PELLES_VERSION_CHECK) -#undef JSON_HEDLEY_PELLES_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_PELLES_VERSION) -#define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_PELLES_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION) -#undef JSON_HEDLEY_GCC_VERSION -#endif -#if \ - defined(JSON_HEDLEY_GNUC_VERSION) && \ - !defined(__clang__) && \ - !defined(JSON_HEDLEY_INTEL_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_ARM_VERSION) && \ - !defined(JSON_HEDLEY_TI_VERSION) && \ - !defined(JSON_HEDLEY_TI_ARMCL_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL430_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL2000_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL6X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CL7X_VERSION) && \ - !defined(JSON_HEDLEY_TI_CLPRU_VERSION) && \ - !defined(__COMPCERT__) -#define JSON_HEDLEY_GCC_VERSION JSON_HEDLEY_GNUC_VERSION -#endif - -#if defined(JSON_HEDLEY_GCC_VERSION_CHECK) -#undef JSON_HEDLEY_GCC_VERSION_CHECK -#endif -#if defined(JSON_HEDLEY_GCC_VERSION) -#define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_GCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch)) -#else -#define JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) -#define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute) -#else -#define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) -#define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else -#define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#endif -#if defined(__has_attribute) -#define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) -#else -#define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#endif -#if \ - defined(__has_cpp_attribute) && \ - defined(__cplusplus) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) __has_cpp_attribute(attribute) -#else -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS) -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#endif -#if !defined(__cplusplus) || !defined(__has_cpp_attribute) -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#elif \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION) && \ - (!defined(JSON_HEDLEY_SUNPRO_VERSION) || JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0)) && \ - (!defined(JSON_HEDLEY_MSVC_VERSION) || JSON_HEDLEY_MSVC_VERSION_CHECK(19,20,0)) -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(ns::attribute) -#else -#define JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) -#define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else -#define JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#endif -#if defined(__has_cpp_attribute) && defined(__cplusplus) -#define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) -#else -#define JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_BUILTIN) -#undef JSON_HEDLEY_HAS_BUILTIN -#endif -#if defined(__has_builtin) -#define JSON_HEDLEY_HAS_BUILTIN(builtin) __has_builtin(builtin) -#else -#define JSON_HEDLEY_HAS_BUILTIN(builtin) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_BUILTIN) -#undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#endif -#if defined(__has_builtin) -#define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else -#define JSON_HEDLEY_GNUC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_BUILTIN) -#undef JSON_HEDLEY_GCC_HAS_BUILTIN -#endif -#if defined(__has_builtin) -#define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) -#else -#define JSON_HEDLEY_GCC_HAS_BUILTIN(builtin,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_FEATURE) -#undef JSON_HEDLEY_HAS_FEATURE -#endif -#if defined(__has_feature) -#define JSON_HEDLEY_HAS_FEATURE(feature) __has_feature(feature) -#else -#define JSON_HEDLEY_HAS_FEATURE(feature) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_FEATURE) -#undef JSON_HEDLEY_GNUC_HAS_FEATURE -#endif -#if defined(__has_feature) -#define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else -#define JSON_HEDLEY_GNUC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_FEATURE) -#undef JSON_HEDLEY_GCC_HAS_FEATURE -#endif -#if defined(__has_feature) -#define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) -#else -#define JSON_HEDLEY_GCC_HAS_FEATURE(feature,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_EXTENSION) -#undef JSON_HEDLEY_HAS_EXTENSION -#endif -#if defined(__has_extension) -#define JSON_HEDLEY_HAS_EXTENSION(extension) __has_extension(extension) -#else -#define JSON_HEDLEY_HAS_EXTENSION(extension) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_EXTENSION) -#undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#endif -#if defined(__has_extension) -#define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else -#define JSON_HEDLEY_GNUC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_EXTENSION) -#undef JSON_HEDLEY_GCC_HAS_EXTENSION -#endif -#if defined(__has_extension) -#define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) -#else -#define JSON_HEDLEY_GCC_HAS_EXTENSION(extension,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) -#define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) __has_declspec_attribute(attribute) -#else -#define JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) -#define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else -#define JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#endif -#if defined(__has_declspec_attribute) -#define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) -#else -#define JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_HAS_WARNING) -#undef JSON_HEDLEY_HAS_WARNING -#endif -#if defined(__has_warning) -#define JSON_HEDLEY_HAS_WARNING(warning) __has_warning(warning) -#else -#define JSON_HEDLEY_HAS_WARNING(warning) (0) -#endif - -#if defined(JSON_HEDLEY_GNUC_HAS_WARNING) -#undef JSON_HEDLEY_GNUC_HAS_WARNING -#endif -#if defined(__has_warning) -#define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else -#define JSON_HEDLEY_GNUC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_GCC_HAS_WARNING) -#undef JSON_HEDLEY_GCC_HAS_WARNING -#endif -#if defined(__has_warning) -#define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) -#else -#define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - defined(__clang__) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \ - (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR)) -#define JSON_HEDLEY_PRAGMA(value) _Pragma(#value) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -#define JSON_HEDLEY_PRAGMA(value) __pragma(value) -#else -#define JSON_HEDLEY_PRAGMA(value) -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH) -#undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#endif -#if defined(JSON_HEDLEY_DIAGNOSTIC_POP) -#undef JSON_HEDLEY_DIAGNOSTIC_POP -#endif -#if defined(__clang__) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push)) -#define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop)) -#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) -#define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)") -#define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)") -#else -#define JSON_HEDLEY_DIAGNOSTIC_PUSH -#define JSON_HEDLEY_DIAGNOSTIC_POP -#endif - -/* JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat") -# if JSON_HEDLEY_HAS_WARNING("-Wc++17-extensions") -# if JSON_HEDLEY_HAS_WARNING("-Wc++1z-extensions") -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ - _Pragma("clang diagnostic ignored \"-Wc++1z-extensions\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# endif -# else -# define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ - xpr \ - JSON_HEDLEY_DIAGNOSTIC_POP -# endif -# endif -#endif -#if !defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(x) x -#endif - -#if defined(JSON_HEDLEY_CONST_CAST) -#undef JSON_HEDLEY_CONST_CAST -#endif -#if defined(__cplusplus) -# define JSON_HEDLEY_CONST_CAST(T, expr) (const_cast(expr)) -#elif \ - JSON_HEDLEY_HAS_WARNING("-Wcast-qual") || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_CONST_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_CONST_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_REINTERPRET_CAST) -#undef JSON_HEDLEY_REINTERPRET_CAST -#endif -#if defined(__cplusplus) -#define JSON_HEDLEY_REINTERPRET_CAST(T, expr) (reinterpret_cast(expr)) -#else -#define JSON_HEDLEY_REINTERPRET_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_STATIC_CAST) -#undef JSON_HEDLEY_STATIC_CAST -#endif -#if defined(__cplusplus) -#define JSON_HEDLEY_STATIC_CAST(T, expr) (static_cast(expr)) -#else -#define JSON_HEDLEY_STATIC_CAST(T, expr) ((T) (expr)) -#endif - -#if defined(JSON_HEDLEY_CPP_CAST) -#undef JSON_HEDLEY_CPP_CAST -#endif -#if defined(__cplusplus) -# if JSON_HEDLEY_HAS_WARNING("-Wold-style-cast") -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wold-style-cast\"") \ - ((T) (expr)) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# elif JSON_HEDLEY_IAR_VERSION_CHECK(8,3,0) -# define JSON_HEDLEY_CPP_CAST(T, expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("diag_suppress=Pe137") \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_CPP_CAST(T, expr) ((T) (expr)) -# endif -#else -# define JSON_HEDLEY_CPP_CAST(T, expr) (expr) -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wdeprecated-declarations") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)") -#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:1478 1786)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1216,1444,1445") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1291,1718") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && !defined(__cplusplus) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,E_DEPRECATED_ATT,E_DEPRECATED_ATT_MESS)") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) && defined(__cplusplus) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,symdeprecated,symdeprecated2)") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress=Pe1444,Pe1215") -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warn(disable:2241)") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)") -#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:161)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("GCC diagnostic ignored \"-Wunknown-pragmas\"") -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:4068)) -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(16,9,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-attributes") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("clang diagnostic ignored \"-Wunknown-attributes\"") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)") -#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:1292)) -#elif JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030)) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097,1098") -#elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("error_messages(off,attrskipunsup)") -#elif \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#endif - -#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL) -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wcast-qual") -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("clang diagnostic ignored \"-Wcast-qual\"") -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("warning(disable:2203 2331)") -#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") -#else -#define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#endif - -#if defined(JSON_HEDLEY_DEPRECATED) -#undef JSON_HEDLEY_DEPRECATED -#endif -#if defined(JSON_HEDLEY_DEPRECATED_FOR) -#undef JSON_HEDLEY_DEPRECATED_FOR -#endif -#if \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated("Since " # since)) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement)) -#elif \ - JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,13,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(18,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) -#define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__("Since " #since))) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement))) -#elif defined(__cplusplus) && (__cplusplus >= 201402L) -#define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]]) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(deprecated) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__)) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_DEPRECATED(since) _Pragma("deprecated") -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) _Pragma("deprecated") -#else -#define JSON_HEDLEY_DEPRECATED(since) -#define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) -#endif - -#if defined(JSON_HEDLEY_UNAVAILABLE) -#undef JSON_HEDLEY_UNAVAILABLE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(warning) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since))) -#else -#define JSON_HEDLEY_UNAVAILABLE(available_since) -#endif - -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT) -#undef JSON_HEDLEY_WARN_UNUSED_RESULT -#endif -#if defined(JSON_HEDLEY_WARN_UNUSED_RESULT_MSG) -#undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(warn_unused_result) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__)) -#elif (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L) -#define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) -#define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) -#elif defined(_Check_return_) /* SAL */ -#define JSON_HEDLEY_WARN_UNUSED_RESULT _Check_return_ -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) _Check_return_ -#else -#define JSON_HEDLEY_WARN_UNUSED_RESULT -#define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) -#endif - -#if defined(JSON_HEDLEY_SENTINEL) -#undef JSON_HEDLEY_SENTINEL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(sentinel) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) -#define JSON_HEDLEY_SENTINEL(position) __attribute__((__sentinel__(position))) -#else -#define JSON_HEDLEY_SENTINEL(position) -#endif - -#if defined(JSON_HEDLEY_NO_RETURN) -#undef JSON_HEDLEY_NO_RETURN -#endif -#if JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_NO_RETURN __noreturn -#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L -#define JSON_HEDLEY_NO_RETURN _Noreturn -#elif defined(__cplusplus) && (__cplusplus >= 201103L) -#define JSON_HEDLEY_NO_RETURN JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]]) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(noreturn) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,2,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -#define JSON_HEDLEY_NO_RETURN _Pragma("does_not_return") -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) -#define JSON_HEDLEY_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) -#define JSON_HEDLEY_NO_RETURN __attribute((noreturn)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) -#define JSON_HEDLEY_NO_RETURN __declspec(noreturn) -#else -#define JSON_HEDLEY_NO_RETURN -#endif - -#if defined(JSON_HEDLEY_NO_ESCAPE) -#undef JSON_HEDLEY_NO_ESCAPE -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(noescape) -#define JSON_HEDLEY_NO_ESCAPE __attribute__((__noescape__)) -#else -#define JSON_HEDLEY_NO_ESCAPE -#endif - -#if defined(JSON_HEDLEY_UNREACHABLE) -#undef JSON_HEDLEY_UNREACHABLE -#endif -#if defined(JSON_HEDLEY_UNREACHABLE_RETURN) -#undef JSON_HEDLEY_UNREACHABLE_RETURN -#endif -#if defined(JSON_HEDLEY_ASSUME) -#undef JSON_HEDLEY_ASSUME -#endif -#if \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_ASSUME(expr) __assume(expr) -#elif JSON_HEDLEY_HAS_BUILTIN(__builtin_assume) -#define JSON_HEDLEY_ASSUME(expr) __builtin_assume(expr) -#elif \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) -#if defined(__cplusplus) -#define JSON_HEDLEY_ASSUME(expr) std::_nassert(expr) -#else -#define JSON_HEDLEY_ASSUME(expr) _nassert(expr) -#endif -#endif -#if \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_unreachable) && (!defined(JSON_HEDLEY_ARM_VERSION))) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,10,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5) -#define JSON_HEDLEY_UNREACHABLE() __builtin_unreachable() -#elif defined(JSON_HEDLEY_ASSUME) -#define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif -#if !defined(JSON_HEDLEY_ASSUME) -#if defined(JSON_HEDLEY_UNREACHABLE) -#define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, ((expr) ? 1 : (JSON_HEDLEY_UNREACHABLE(), 1))) -#else -#define JSON_HEDLEY_ASSUME(expr) JSON_HEDLEY_STATIC_CAST(void, expr) -#endif -#endif -#if defined(JSON_HEDLEY_UNREACHABLE) -#if \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) -#define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (JSON_HEDLEY_STATIC_CAST(void, JSON_HEDLEY_ASSUME(0)), (value)) -#else -#define JSON_HEDLEY_UNREACHABLE_RETURN(value) JSON_HEDLEY_UNREACHABLE() -#endif -#else -#define JSON_HEDLEY_UNREACHABLE_RETURN(value) return (value) -#endif -#if !defined(JSON_HEDLEY_UNREACHABLE) -#define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0) -#endif - -JSON_HEDLEY_DIAGNOSTIC_PUSH -#if JSON_HEDLEY_HAS_WARNING("-Wpedantic") -#pragma clang diagnostic ignored "-Wpedantic" -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat-pedantic") && defined(__cplusplus) -#pragma clang diagnostic ignored "-Wc++98-compat-pedantic" -#endif -#if JSON_HEDLEY_GCC_HAS_WARNING("-Wvariadic-macros",4,0,0) -#if defined(__clang__) -#pragma clang diagnostic ignored "-Wvariadic-macros" -#elif defined(JSON_HEDLEY_GCC_VERSION) -#pragma GCC diagnostic ignored "-Wvariadic-macros" -#endif -#endif -#if defined(JSON_HEDLEY_NON_NULL) -#undef JSON_HEDLEY_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) -#define JSON_HEDLEY_NON_NULL(...) __attribute__((__nonnull__(__VA_ARGS__))) -#else -#define JSON_HEDLEY_NON_NULL(...) -#endif -JSON_HEDLEY_DIAGNOSTIC_POP - -#if defined(JSON_HEDLEY_PRINTF_FORMAT) -#undef JSON_HEDLEY_PRINTF_FORMAT -#endif -#if defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && !defined(__USE_MINGW_ANSI_STDIO) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(ms_printf, string_idx, first_to_check))) -#elif defined(__MINGW32__) && JSON_HEDLEY_GCC_HAS_ATTRIBUTE(format,4,4,0) && defined(__USE_MINGW_ANSI_STDIO) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(gnu_printf, string_idx, first_to_check))) -#elif \ - JSON_HEDLEY_HAS_ATTRIBUTE(format) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check))) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(6,0,0) -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check)) -#else -#define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) -#endif - -#if defined(JSON_HEDLEY_CONSTEXPR) -#undef JSON_HEDLEY_CONSTEXPR -#endif -#if defined(__cplusplus) -#if __cplusplus >= 201103L -#define JSON_HEDLEY_CONSTEXPR JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(constexpr) -#endif -#endif -#if !defined(JSON_HEDLEY_CONSTEXPR) -#define JSON_HEDLEY_CONSTEXPR -#endif - -#if defined(JSON_HEDLEY_PREDICT) -#undef JSON_HEDLEY_PREDICT -#endif -#if defined(JSON_HEDLEY_LIKELY) -#undef JSON_HEDLEY_LIKELY -#endif -#if defined(JSON_HEDLEY_UNLIKELY) -#undef JSON_HEDLEY_UNLIKELY -#endif -#if defined(JSON_HEDLEY_UNPREDICTABLE) -#undef JSON_HEDLEY_UNPREDICTABLE -#endif -#if JSON_HEDLEY_HAS_BUILTIN(__builtin_unpredictable) -#define JSON_HEDLEY_UNPREDICTABLE(expr) __builtin_unpredictable((expr)) -#endif -#if \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) && !defined(JSON_HEDLEY_PGI_VERSION)) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0) -# define JSON_HEDLEY_PREDICT(expr, value, probability) __builtin_expect_with_probability( (expr), (value), (probability)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) __builtin_expect_with_probability(!!(expr), 1 , (probability)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) __builtin_expect_with_probability(!!(expr), 0 , (probability)) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect (!!(expr), 1 ) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect (!!(expr), 0 ) -#elif \ - (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,27) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) -# define JSON_HEDLEY_PREDICT(expr, expected, probability) \ - (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (JSON_HEDLEY_STATIC_CAST(void, expected), (expr))) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 1) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 0) : !!(expr))); \ - })) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) \ - (__extension__ ({ \ - double hedley_probability_ = (probability); \ - ((hedley_probability_ >= 0.9) ? __builtin_expect(!!(expr), 0) : ((hedley_probability_ <= 0.1) ? __builtin_expect(!!(expr), 1) : !!(expr))); \ - })) -# define JSON_HEDLEY_LIKELY(expr) __builtin_expect(!!(expr), 1) -# define JSON_HEDLEY_UNLIKELY(expr) __builtin_expect(!!(expr), 0) -#else -# define JSON_HEDLEY_PREDICT(expr, expected, probability) (JSON_HEDLEY_STATIC_CAST(void, expected), (expr)) -# define JSON_HEDLEY_PREDICT_TRUE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_PREDICT_FALSE(expr, probability) (!!(expr)) -# define JSON_HEDLEY_LIKELY(expr) (!!(expr)) -# define JSON_HEDLEY_UNLIKELY(expr) (!!(expr)) -#endif -#if !defined(JSON_HEDLEY_UNPREDICTABLE) -#define JSON_HEDLEY_UNPREDICTABLE(expr) JSON_HEDLEY_PREDICT(expr, 1, 0.5) -#endif - -#if defined(JSON_HEDLEY_MALLOC) -#undef JSON_HEDLEY_MALLOC -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(malloc) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_MALLOC __attribute__((__malloc__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -#define JSON_HEDLEY_MALLOC _Pragma("returns_new_memory") -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_MALLOC __declspec(restrict) -#else -#define JSON_HEDLEY_MALLOC -#endif - -#if defined(JSON_HEDLEY_PURE) -#undef JSON_HEDLEY_PURE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(pure) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,96,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -# define JSON_HEDLEY_PURE __attribute__((__pure__)) -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -# define JSON_HEDLEY_PURE _Pragma("does_not_write_global_data") -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) \ - ) -# define JSON_HEDLEY_PURE _Pragma("FUNC_IS_PURE;") -#else -# define JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_CONST) -#undef JSON_HEDLEY_CONST -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(const) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(2,5,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) -#define JSON_HEDLEY_CONST __attribute__((__const__)) -#elif \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) -#define JSON_HEDLEY_CONST _Pragma("no_side_effect") -#else -#define JSON_HEDLEY_CONST JSON_HEDLEY_PURE -#endif - -#if defined(JSON_HEDLEY_RESTRICT) -#undef JSON_HEDLEY_RESTRICT -#endif -#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus) -#define JSON_HEDLEY_RESTRICT restrict -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,4) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \ - JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \ - defined(__clang__) -#define JSON_HEDLEY_RESTRICT __restrict -#elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus) -#define JSON_HEDLEY_RESTRICT _Restrict -#else -#define JSON_HEDLEY_RESTRICT -#endif - -#if defined(JSON_HEDLEY_INLINE) -#undef JSON_HEDLEY_INLINE -#endif -#if \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ - (defined(__cplusplus) && (__cplusplus >= 199711L)) -#define JSON_HEDLEY_INLINE inline -#elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(6,2,0) -#define JSON_HEDLEY_INLINE __inline__ -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,1,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_INLINE __inline -#else -#define JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_ALWAYS_INLINE) -#undef JSON_HEDLEY_ALWAYS_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(always_inline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -# define JSON_HEDLEY_ALWAYS_INLINE __attribute__((__always_inline__)) JSON_HEDLEY_INLINE -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -# define JSON_HEDLEY_ALWAYS_INLINE __forceinline -#elif defined(__cplusplus) && \ - ( \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) \ - ) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("FUNC_ALWAYS_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_ALWAYS_INLINE _Pragma("inline=forced") -#else -# define JSON_HEDLEY_ALWAYS_INLINE JSON_HEDLEY_INLINE -#endif - -#if defined(JSON_HEDLEY_NEVER_INLINE) -#undef JSON_HEDLEY_NEVER_INLINE -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(noinline) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \ - JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \ - (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \ - (JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,4,0) || \ - (JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,3,0) || \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \ - JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \ - JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) -#define JSON_HEDLEY_NEVER_INLINE __attribute__((__noinline__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#elif JSON_HEDLEY_PGI_VERSION_CHECK(10,2,0) -#define JSON_HEDLEY_NEVER_INLINE _Pragma("noinline") -#elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) -#define JSON_HEDLEY_NEVER_INLINE _Pragma("FUNC_CANNOT_INLINE;") -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -#define JSON_HEDLEY_NEVER_INLINE _Pragma("inline=never") -#elif JSON_HEDLEY_COMPCERT_VERSION_CHECK(3,2,0) -#define JSON_HEDLEY_NEVER_INLINE __attribute((noinline)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(9,0,0) -#define JSON_HEDLEY_NEVER_INLINE __declspec(noinline) -#else -#define JSON_HEDLEY_NEVER_INLINE -#endif - -#if defined(JSON_HEDLEY_PRIVATE) -#undef JSON_HEDLEY_PRIVATE -#endif -#if defined(JSON_HEDLEY_PUBLIC) -#undef JSON_HEDLEY_PUBLIC -#endif -#if defined(JSON_HEDLEY_IMPORT) -#undef JSON_HEDLEY_IMPORT -#endif -#if defined(_WIN32) || defined(__CYGWIN__) -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC __declspec(dllexport) -# define JSON_HEDLEY_IMPORT __declspec(dllimport) -#else -# if \ - JSON_HEDLEY_HAS_ATTRIBUTE(visibility) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,11,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - ( \ - defined(__TI_EABI__) && \ - ( \ - (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) \ - ) \ - ) -# define JSON_HEDLEY_PRIVATE __attribute__((__visibility__("hidden"))) -# define JSON_HEDLEY_PUBLIC __attribute__((__visibility__("default"))) -# else -# define JSON_HEDLEY_PRIVATE -# define JSON_HEDLEY_PUBLIC -# endif -# define JSON_HEDLEY_IMPORT extern -#endif - -#if defined(JSON_HEDLEY_NO_THROW) -#undef JSON_HEDLEY_NO_THROW -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(nothrow) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -#define JSON_HEDLEY_NO_THROW __attribute__((__nothrow__)) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) -#define JSON_HEDLEY_NO_THROW __declspec(nothrow) -#else -#define JSON_HEDLEY_NO_THROW -#endif - -#if defined(JSON_HEDLEY_FALL_THROUGH) -#undef JSON_HEDLEY_FALL_THROUGH -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(fallthrough) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0) -#define JSON_HEDLEY_FALL_THROUGH __attribute__((__fallthrough__)) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough) -#define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]]) -#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(fallthrough) -#define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[fallthrough]]) -#elif defined(__fallthrough) /* SAL */ -#define JSON_HEDLEY_FALL_THROUGH __fallthrough -#else -#define JSON_HEDLEY_FALL_THROUGH -#endif - -#if defined(JSON_HEDLEY_RETURNS_NON_NULL) -#undef JSON_HEDLEY_RETURNS_NON_NULL -#endif -#if \ - JSON_HEDLEY_HAS_ATTRIBUTE(returns_nonnull) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) -#define JSON_HEDLEY_RETURNS_NON_NULL __attribute__((__returns_nonnull__)) -#elif defined(_Ret_notnull_) /* SAL */ -#define JSON_HEDLEY_RETURNS_NON_NULL _Ret_notnull_ -#else -#define JSON_HEDLEY_RETURNS_NON_NULL -#endif - -#if defined(JSON_HEDLEY_ARRAY_PARAM) -#undef JSON_HEDLEY_ARRAY_PARAM -#endif -#if \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ - !defined(__STDC_NO_VLA__) && \ - !defined(__cplusplus) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_TINYC_VERSION) -#define JSON_HEDLEY_ARRAY_PARAM(name) (name) -#else -#define JSON_HEDLEY_ARRAY_PARAM(name) -#endif - -#if defined(JSON_HEDLEY_IS_CONSTANT) -#undef JSON_HEDLEY_IS_CONSTANT -#endif -#if defined(JSON_HEDLEY_REQUIRE_CONSTEXPR) -#undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#endif -/* JSON_HEDLEY_IS_CONSTEXPR_ is for - HEDLEY INTERNAL USE ONLY. API subject to change without notice. */ -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) -#undef JSON_HEDLEY_IS_CONSTEXPR_ -#endif -#if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_constant_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,19) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \ - (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) -#define JSON_HEDLEY_IS_CONSTANT(expr) __builtin_constant_p(expr) -#endif -#if !defined(__cplusplus) -# if \ - JSON_HEDLEY_HAS_BUILTIN(__builtin_types_compatible_p) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \ - JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \ - JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,24) -#if defined(__INTPTR_TYPE__) -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0)), int*) -#else -#include -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((intptr_t) ((expr) * 0)) : (int*) 0)), int*) -#endif -# elif \ - ( \ - defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && \ - !defined(JSON_HEDLEY_SUNPRO_VERSION) && \ - !defined(JSON_HEDLEY_PGI_VERSION) && \ - !defined(JSON_HEDLEY_IAR_VERSION)) || \ - JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) || \ - JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \ - JSON_HEDLEY_ARM_VERSION_CHECK(5,3,0) -#if defined(__INTPTR_TYPE__) -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0), int*: 1, void*: 0) -#else -#include -#define JSON_HEDLEY_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((intptr_t) * 0) : (int*) 0), int*: 1, void*: 0) -#endif -# elif \ - defined(JSON_HEDLEY_GCC_VERSION) || \ - defined(JSON_HEDLEY_INTEL_VERSION) || \ - defined(JSON_HEDLEY_TINYC_VERSION) || \ - defined(JSON_HEDLEY_TI_ARMCL_VERSION) || \ - JSON_HEDLEY_TI_CL430_VERSION_CHECK(18,12,0) || \ - defined(JSON_HEDLEY_TI_CL2000_VERSION) || \ - defined(JSON_HEDLEY_TI_CL6X_VERSION) || \ - defined(JSON_HEDLEY_TI_CL7X_VERSION) || \ - defined(JSON_HEDLEY_TI_CLPRU_VERSION) || \ - defined(__clang__) -# define JSON_HEDLEY_IS_CONSTEXPR_(expr) ( \ - sizeof(void) != \ - sizeof(*( \ - 1 ? \ - ((void*) ((expr) * 0L) ) : \ -((struct { char v[sizeof(void) * 2]; } *) 1) \ - ) \ - ) \ - ) -# endif -#endif -#if defined(JSON_HEDLEY_IS_CONSTEXPR_) -#if !defined(JSON_HEDLEY_IS_CONSTANT) -#define JSON_HEDLEY_IS_CONSTANT(expr) JSON_HEDLEY_IS_CONSTEXPR_(expr) -#endif -#define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (JSON_HEDLEY_IS_CONSTEXPR_(expr) ? (expr) : (-1)) -#else -#if !defined(JSON_HEDLEY_IS_CONSTANT) -#define JSON_HEDLEY_IS_CONSTANT(expr) (0) -#endif -#define JSON_HEDLEY_REQUIRE_CONSTEXPR(expr) (expr) -#endif - -#if defined(JSON_HEDLEY_BEGIN_C_DECLS) -#undef JSON_HEDLEY_BEGIN_C_DECLS -#endif -#if defined(JSON_HEDLEY_END_C_DECLS) -#undef JSON_HEDLEY_END_C_DECLS -#endif -#if defined(JSON_HEDLEY_C_DECL) -#undef JSON_HEDLEY_C_DECL -#endif -#if defined(__cplusplus) -#define JSON_HEDLEY_BEGIN_C_DECLS extern "C" { -#define JSON_HEDLEY_END_C_DECLS } -#define JSON_HEDLEY_C_DECL extern "C" -#else -#define JSON_HEDLEY_BEGIN_C_DECLS -#define JSON_HEDLEY_END_C_DECLS -#define JSON_HEDLEY_C_DECL -#endif - -#if defined(JSON_HEDLEY_STATIC_ASSERT) -#undef JSON_HEDLEY_STATIC_ASSERT -#endif -#if \ - !defined(__cplusplus) && ( \ - (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \ - (JSON_HEDLEY_HAS_FEATURE(c_static_assert) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \ - JSON_HEDLEY_GCC_VERSION_CHECK(6,0,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \ - defined(_Static_assert) \ - ) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) _Static_assert(expr, message) -#elif \ - (defined(__cplusplus) && (__cplusplus >= 201103L)) || \ - JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message)) -#else -# define JSON_HEDLEY_STATIC_ASSERT(expr, message) -#endif - -#if defined(JSON_HEDLEY_NULL) -#undef JSON_HEDLEY_NULL -#endif -#if defined(__cplusplus) -#if __cplusplus >= 201103L -#define JSON_HEDLEY_NULL JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(nullptr) -#elif defined(NULL) -#define JSON_HEDLEY_NULL NULL -#else -#define JSON_HEDLEY_NULL JSON_HEDLEY_STATIC_CAST(void*, 0) -#endif -#elif defined(NULL) -#define JSON_HEDLEY_NULL NULL -#else -#define JSON_HEDLEY_NULL ((void*) 0) -#endif - -#if defined(JSON_HEDLEY_MESSAGE) -#undef JSON_HEDLEY_MESSAGE -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_MESSAGE(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(message msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message msg) -#elif JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(_CRI message msg) -#elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,0,0) -# define JSON_HEDLEY_MESSAGE(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_WARNING) -#undef JSON_HEDLEY_WARNING -#endif -#if JSON_HEDLEY_HAS_WARNING("-Wunknown-pragmas") -# define JSON_HEDLEY_WARNING(msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ - JSON_HEDLEY_PRAGMA(clang warning msg) \ - JSON_HEDLEY_DIAGNOSTIC_POP -#elif \ - JSON_HEDLEY_GCC_VERSION_CHECK(4,8,0) || \ - JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \ - JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(GCC warning msg) -#elif \ - JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(message(msg)) -#else -# define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_MESSAGE(msg) -#endif - -#if defined(JSON_HEDLEY_REQUIRE) -#undef JSON_HEDLEY_REQUIRE -#endif -#if defined(JSON_HEDLEY_REQUIRE_MSG) -#undef JSON_HEDLEY_REQUIRE_MSG -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(diagnose_if) -# if JSON_HEDLEY_HAS_WARNING("-Wgcc-compat") -# define JSON_HEDLEY_REQUIRE(expr) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), #expr, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ - __attribute__((diagnose_if(!(expr), msg, "error"))) \ - JSON_HEDLEY_DIAGNOSTIC_POP -# else -# define JSON_HEDLEY_REQUIRE(expr) __attribute__((diagnose_if(!(expr), #expr, "error"))) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) __attribute__((diagnose_if(!(expr), msg, "error"))) -# endif -#else -# define JSON_HEDLEY_REQUIRE(expr) -# define JSON_HEDLEY_REQUIRE_MSG(expr,msg) -#endif - -#if defined(JSON_HEDLEY_FLAGS) -#undef JSON_HEDLEY_FLAGS -#endif -#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum) -#define JSON_HEDLEY_FLAGS __attribute__((__flag_enum__)) -#else -#define JSON_HEDLEY_FLAGS -#endif - -#if defined(JSON_HEDLEY_FLAGS_CAST) -#undef JSON_HEDLEY_FLAGS_CAST -#endif -#if JSON_HEDLEY_INTEL_VERSION_CHECK(19,0,0) -# define JSON_HEDLEY_FLAGS_CAST(T, expr) (__extension__ ({ \ - JSON_HEDLEY_DIAGNOSTIC_PUSH \ - _Pragma("warning(disable:188)") \ - ((T) (expr)); \ - JSON_HEDLEY_DIAGNOSTIC_POP \ - })) -#else -# define JSON_HEDLEY_FLAGS_CAST(T, expr) JSON_HEDLEY_STATIC_CAST(T, expr) -#endif - -#if defined(JSON_HEDLEY_EMPTY_BASES) -#undef JSON_HEDLEY_EMPTY_BASES -#endif -#if \ - (JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0)) || \ - JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) -#define JSON_HEDLEY_EMPTY_BASES __declspec(empty_bases) -#else -#define JSON_HEDLEY_EMPTY_BASES -#endif - -/* Remaining macros are deprecated. */ - -#if defined(JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK) -#undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#endif -#if defined(__clang__) -#define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) (0) -#else -#define JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch) -#endif - -#if defined(JSON_HEDLEY_CLANG_HAS_ATTRIBUTE) -#undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE) -#undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_CPP_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_BUILTIN) -#undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#endif -#define JSON_HEDLEY_CLANG_HAS_BUILTIN(builtin) JSON_HEDLEY_HAS_BUILTIN(builtin) - -#if defined(JSON_HEDLEY_CLANG_HAS_FEATURE) -#undef JSON_HEDLEY_CLANG_HAS_FEATURE -#endif -#define JSON_HEDLEY_CLANG_HAS_FEATURE(feature) JSON_HEDLEY_HAS_FEATURE(feature) - -#if defined(JSON_HEDLEY_CLANG_HAS_EXTENSION) -#undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#endif -#define JSON_HEDLEY_CLANG_HAS_EXTENSION(extension) JSON_HEDLEY_HAS_EXTENSION(extension) - -#if defined(JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE) -#undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#endif -#define JSON_HEDLEY_CLANG_HAS_DECLSPEC_ATTRIBUTE(attribute) JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE(attribute) - -#if defined(JSON_HEDLEY_CLANG_HAS_WARNING) -#undef JSON_HEDLEY_CLANG_HAS_WARNING -#endif -#define JSON_HEDLEY_CLANG_HAS_WARNING(warning) JSON_HEDLEY_HAS_WARNING(warning) - -#endif /* !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < X) */ - - -// This file contains all internal macro definitions -// You MUST include macro_unscope.hpp at the end of json.hpp to undef all of them - -// exclude unsupported compilers -#if !defined(JSON_SKIP_UNSUPPORTED_COMPILER_CHECK) -#if defined(__clang__) -#if (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__) < 30400 -#error "unsupported Clang version - see https://github.com/nlohmann/json#supported-compilers" -#endif -#elif defined(__GNUC__) && !(defined(__ICC) || defined(__INTEL_COMPILER)) -#if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40800 -#error "unsupported GCC version - see https://github.com/nlohmann/json#supported-compilers" -#endif -#endif -#endif - -// C++ language standard detection -#if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L) -#define JSON_HAS_CPP_20 -#define JSON_HAS_CPP_17 -#define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464 -#define JSON_HAS_CPP_17 -#define JSON_HAS_CPP_14 -#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1) -#define JSON_HAS_CPP_14 -#endif - -// disable float-equal warnings on GCC/clang -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wfloat-equal" -#endif - -// disable documentation warnings on clang -#if defined(__clang__) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wdocumentation" -#endif - -// allow to disable exceptions -#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(JSON_NOEXCEPTION) -#define JSON_THROW(exception) throw exception -#define JSON_TRY try -#define JSON_CATCH(exception) catch(exception) -#define JSON_INTERNAL_CATCH(exception) catch(exception) -#else -#include -#define JSON_THROW(exception) std::abort() -#define JSON_TRY if(true) -#define JSON_CATCH(exception) if(false) -#define JSON_INTERNAL_CATCH(exception) if(false) -#endif - -// override exception macros -#if defined(JSON_THROW_USER) -#undef JSON_THROW -#define JSON_THROW JSON_THROW_USER -#endif -#if defined(JSON_TRY_USER) -#undef JSON_TRY -#define JSON_TRY JSON_TRY_USER -#endif -#if defined(JSON_CATCH_USER) -#undef JSON_CATCH -#define JSON_CATCH JSON_CATCH_USER -#undef JSON_INTERNAL_CATCH -#define JSON_INTERNAL_CATCH JSON_CATCH_USER -#endif -#if defined(JSON_INTERNAL_CATCH_USER) -#undef JSON_INTERNAL_CATCH -#define JSON_INTERNAL_CATCH JSON_INTERNAL_CATCH_USER -#endif - -// allow to override assert -#if !defined(JSON_ASSERT) -#include // assert -#define JSON_ASSERT(x) assert(x) -#endif - -// allow to access some private functions (needed by the test suite) -#if defined(JSON_TESTS_PRIVATE) -#define JSON_PRIVATE_UNLESS_TESTED public -#else -#define JSON_PRIVATE_UNLESS_TESTED private -#endif - -/*! -@brief macro to briefly define a mapping between an enum and JSON -@def NLOHMANN_JSON_SERIALIZE_ENUM -@since version 3.4.0 -*/ -#define NLOHMANN_JSON_SERIALIZE_ENUM(ENUM_TYPE, ...) \ - template \ - inline void to_json(BasicJsonType& j, const ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [e](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.first == e; \ - }); \ - j = ((it != std::end(m)) ? it : std::begin(m))->second; \ - } \ - template \ - inline void from_json(const BasicJsonType& j, ENUM_TYPE& e) \ - { \ - static_assert(std::is_enum::value, #ENUM_TYPE " must be an enum!"); \ - static const std::pair m[] = __VA_ARGS__; \ - auto it = std::find_if(std::begin(m), std::end(m), \ - [&j](const std::pair& ej_pair) -> bool \ - { \ - return ej_pair.second == j; \ - }); \ - e = ((it != std::end(m)) ? it : std::begin(m))->first; \ - } - -// Ugly macros to avoid uglier copy-paste when specializing basic_json. They -// may be removed in the future once the class is split. - -#define NLOHMANN_BASIC_JSON_TPL_DECLARATION \ - template class ObjectType, \ - template class ArrayType, \ - class StringType, class BooleanType, class NumberIntegerType, \ - class NumberUnsignedType, class NumberFloatType, \ - template class AllocatorType, \ - template class JSONSerializer, \ - class BinaryType> - -#define NLOHMANN_BASIC_JSON_TPL \ - basic_json - -// Macros to simplify conversion from/to types - -#define NLOHMANN_JSON_EXPAND( x ) x -#define NLOHMANN_JSON_GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, NAME,...) NAME -#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \ - NLOHMANN_JSON_PASTE64, \ - NLOHMANN_JSON_PASTE63, \ - NLOHMANN_JSON_PASTE62, \ - NLOHMANN_JSON_PASTE61, \ - NLOHMANN_JSON_PASTE60, \ - NLOHMANN_JSON_PASTE59, \ - NLOHMANN_JSON_PASTE58, \ - NLOHMANN_JSON_PASTE57, \ - NLOHMANN_JSON_PASTE56, \ - NLOHMANN_JSON_PASTE55, \ - NLOHMANN_JSON_PASTE54, \ - NLOHMANN_JSON_PASTE53, \ - NLOHMANN_JSON_PASTE52, \ - NLOHMANN_JSON_PASTE51, \ - NLOHMANN_JSON_PASTE50, \ - NLOHMANN_JSON_PASTE49, \ - NLOHMANN_JSON_PASTE48, \ - NLOHMANN_JSON_PASTE47, \ - NLOHMANN_JSON_PASTE46, \ - NLOHMANN_JSON_PASTE45, \ - NLOHMANN_JSON_PASTE44, \ - NLOHMANN_JSON_PASTE43, \ - NLOHMANN_JSON_PASTE42, \ - NLOHMANN_JSON_PASTE41, \ - NLOHMANN_JSON_PASTE40, \ - NLOHMANN_JSON_PASTE39, \ - NLOHMANN_JSON_PASTE38, \ - NLOHMANN_JSON_PASTE37, \ - NLOHMANN_JSON_PASTE36, \ - NLOHMANN_JSON_PASTE35, \ - NLOHMANN_JSON_PASTE34, \ - NLOHMANN_JSON_PASTE33, \ - NLOHMANN_JSON_PASTE32, \ - NLOHMANN_JSON_PASTE31, \ - NLOHMANN_JSON_PASTE30, \ - NLOHMANN_JSON_PASTE29, \ - NLOHMANN_JSON_PASTE28, \ - NLOHMANN_JSON_PASTE27, \ - NLOHMANN_JSON_PASTE26, \ - NLOHMANN_JSON_PASTE25, \ - NLOHMANN_JSON_PASTE24, \ - NLOHMANN_JSON_PASTE23, \ - NLOHMANN_JSON_PASTE22, \ - NLOHMANN_JSON_PASTE21, \ - NLOHMANN_JSON_PASTE20, \ - NLOHMANN_JSON_PASTE19, \ - NLOHMANN_JSON_PASTE18, \ - NLOHMANN_JSON_PASTE17, \ - NLOHMANN_JSON_PASTE16, \ - NLOHMANN_JSON_PASTE15, \ - NLOHMANN_JSON_PASTE14, \ - NLOHMANN_JSON_PASTE13, \ - NLOHMANN_JSON_PASTE12, \ - NLOHMANN_JSON_PASTE11, \ - NLOHMANN_JSON_PASTE10, \ - NLOHMANN_JSON_PASTE9, \ - NLOHMANN_JSON_PASTE8, \ - NLOHMANN_JSON_PASTE7, \ - NLOHMANN_JSON_PASTE6, \ - NLOHMANN_JSON_PASTE5, \ - NLOHMANN_JSON_PASTE4, \ - NLOHMANN_JSON_PASTE3, \ - NLOHMANN_JSON_PASTE2, \ - NLOHMANN_JSON_PASTE1)(__VA_ARGS__)) -#define NLOHMANN_JSON_PASTE2(func, v1) func(v1) -#define NLOHMANN_JSON_PASTE3(func, v1, v2) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE2(func, v2) -#define NLOHMANN_JSON_PASTE4(func, v1, v2, v3) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE3(func, v2, v3) -#define NLOHMANN_JSON_PASTE5(func, v1, v2, v3, v4) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE4(func, v2, v3, v4) -#define NLOHMANN_JSON_PASTE6(func, v1, v2, v3, v4, v5) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE5(func, v2, v3, v4, v5) -#define NLOHMANN_JSON_PASTE7(func, v1, v2, v3, v4, v5, v6) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE6(func, v2, v3, v4, v5, v6) -#define NLOHMANN_JSON_PASTE8(func, v1, v2, v3, v4, v5, v6, v7) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE7(func, v2, v3, v4, v5, v6, v7) -#define NLOHMANN_JSON_PASTE9(func, v1, v2, v3, v4, v5, v6, v7, v8) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE8(func, v2, v3, v4, v5, v6, v7, v8) -#define NLOHMANN_JSON_PASTE10(func, v1, v2, v3, v4, v5, v6, v7, v8, v9) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE9(func, v2, v3, v4, v5, v6, v7, v8, v9) -#define NLOHMANN_JSON_PASTE11(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE10(func, v2, v3, v4, v5, v6, v7, v8, v9, v10) -#define NLOHMANN_JSON_PASTE12(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE11(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11) -#define NLOHMANN_JSON_PASTE13(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE12(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12) -#define NLOHMANN_JSON_PASTE14(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE13(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13) -#define NLOHMANN_JSON_PASTE15(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE14(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14) -#define NLOHMANN_JSON_PASTE16(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE15(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15) -#define NLOHMANN_JSON_PASTE17(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE16(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16) -#define NLOHMANN_JSON_PASTE18(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE17(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) -#define NLOHMANN_JSON_PASTE19(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE18(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) -#define NLOHMANN_JSON_PASTE20(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE19(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) -#define NLOHMANN_JSON_PASTE21(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE20(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) -#define NLOHMANN_JSON_PASTE22(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE21(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) -#define NLOHMANN_JSON_PASTE23(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE22(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) -#define NLOHMANN_JSON_PASTE24(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE23(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23) -#define NLOHMANN_JSON_PASTE25(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE24(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24) -#define NLOHMANN_JSON_PASTE26(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE25(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25) -#define NLOHMANN_JSON_PASTE27(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE26(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26) -#define NLOHMANN_JSON_PASTE28(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE27(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27) -#define NLOHMANN_JSON_PASTE29(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE28(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28) -#define NLOHMANN_JSON_PASTE30(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE29(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29) -#define NLOHMANN_JSON_PASTE31(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE30(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30) -#define NLOHMANN_JSON_PASTE32(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE31(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31) -#define NLOHMANN_JSON_PASTE33(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE32(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32) -#define NLOHMANN_JSON_PASTE34(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE33(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33) -#define NLOHMANN_JSON_PASTE35(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE34(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34) -#define NLOHMANN_JSON_PASTE36(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE35(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35) -#define NLOHMANN_JSON_PASTE37(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE36(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36) -#define NLOHMANN_JSON_PASTE38(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE37(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37) -#define NLOHMANN_JSON_PASTE39(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE38(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38) -#define NLOHMANN_JSON_PASTE40(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE39(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39) -#define NLOHMANN_JSON_PASTE41(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE40(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40) -#define NLOHMANN_JSON_PASTE42(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE41(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41) -#define NLOHMANN_JSON_PASTE43(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE42(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42) -#define NLOHMANN_JSON_PASTE44(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE43(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43) -#define NLOHMANN_JSON_PASTE45(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE44(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44) -#define NLOHMANN_JSON_PASTE46(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE45(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45) -#define NLOHMANN_JSON_PASTE47(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE46(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46) -#define NLOHMANN_JSON_PASTE48(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE47(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47) -#define NLOHMANN_JSON_PASTE49(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE48(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48) -#define NLOHMANN_JSON_PASTE50(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE49(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49) -#define NLOHMANN_JSON_PASTE51(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE50(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50) -#define NLOHMANN_JSON_PASTE52(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE51(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51) -#define NLOHMANN_JSON_PASTE53(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE52(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52) -#define NLOHMANN_JSON_PASTE54(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE53(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53) -#define NLOHMANN_JSON_PASTE55(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE54(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54) -#define NLOHMANN_JSON_PASTE56(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE55(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55) -#define NLOHMANN_JSON_PASTE57(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE56(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56) -#define NLOHMANN_JSON_PASTE58(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE57(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57) -#define NLOHMANN_JSON_PASTE59(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE58(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58) -#define NLOHMANN_JSON_PASTE60(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE59(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59) -#define NLOHMANN_JSON_PASTE61(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE60(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60) -#define NLOHMANN_JSON_PASTE62(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE61(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61) -#define NLOHMANN_JSON_PASTE63(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE62(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62) -#define NLOHMANN_JSON_PASTE64(func, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE63(func, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63) - -#define NLOHMANN_JSON_TO(v1) nlohmann_json_j[#v1] = nlohmann_json_t.v1; -#define NLOHMANN_JSON_FROM(v1) nlohmann_json_j.at(#v1).get_to(nlohmann_json_t.v1); - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_INTRUSIVE(Type, ...) \ - friend void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - friend void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -/*! -@brief macro -@def NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE -@since version 3.9.0 -*/ -#define NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE(Type, ...) \ - inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \ - inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) } - -#ifndef JSON_USE_IMPLICIT_CONVERSIONS -#define JSON_USE_IMPLICIT_CONVERSIONS 1 -#endif - -#if JSON_USE_IMPLICIT_CONVERSIONS -#define JSON_EXPLICIT -#else -#define JSON_EXPLICIT explicit -#endif - - -namespace nlohmann -{ -namespace detail -{ -//////////////// -// exceptions // -//////////////// - -/*! -@brief general exception of the @ref basic_json class - -This class is an extension of `std::exception` objects with a member @a id for -exception ids. It is used as the base class for all exceptions thrown by the -@ref basic_json class. This class can hence be used as "wildcard" to catch -exceptions. - -Subclasses: -- @ref parse_error for exceptions indicating a parse error -- @ref invalid_iterator for exceptions indicating errors with iterators -- @ref type_error for exceptions indicating executing a member function with - a wrong type -- @ref out_of_range for exceptions indicating access out of the defined range -- @ref other_error for exceptions indicating other library errors - -@internal -@note To have nothrow-copy-constructible exceptions, we internally use - `std::runtime_error` which can cope with arbitrary-length error messages. - Intermediate strings are built with static functions and then passed to - the actual constructor. -@endinternal - -@liveexample{The following code shows how arbitrary library exceptions can be -caught.,exception} - -@since version 3.0.0 -*/ -class exception : public std::exception -{ -public: -/// returns the explanatory string -JSON_HEDLEY_RETURNS_NON_NULL -const char* what() const noexcept override -{ -return m.what(); -} - -/// the id of the exception -const int id; - -protected: -JSON_HEDLEY_NON_NULL(3) -exception(int id_, const char* what_arg) : id(id_), m(what_arg) {} - -static std::string name(const std::string& ename, int id_) -{ -return "[json.exception." + ename + "." + std::to_string(id_) + "] "; -} - -private: -/// an exception object as storage for error messages -std::runtime_error m; -}; - -/*! -@brief exception indicating a parse error - -This exception is thrown by the library when a parse error occurs. Parse errors -can occur during the deserialization of JSON text, CBOR, MessagePack, as well -as when using JSON Patch. - -Member @a byte holds the byte index of the last read character in the input -file. - -Exceptions have ids 1xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.parse_error.101 | parse error at 2: unexpected end of input; expected string literal | This error indicates a syntax error while deserializing a JSON text. The error message describes that an unexpected token (character) was encountered, and the member @a byte indicates the error position. -json.exception.parse_error.102 | parse error at 14: missing or wrong low surrogate | JSON uses the `\uxxxx` format to describe Unicode characters. Code points above above 0xFFFF are split into two `\uxxxx` entries ("surrogate pairs"). This error indicates that the surrogate pair is incomplete or contains an invalid code point. -json.exception.parse_error.103 | parse error: code points above 0x10FFFF are invalid | Unicode supports code points up to 0x10FFFF. Code points above 0x10FFFF are invalid. -json.exception.parse_error.104 | parse error: JSON patch must be an array of objects | [RFC 6902](https://tools.ietf.org/html/rfc6902) requires a JSON Patch document to be a JSON document that represents an array of objects. -json.exception.parse_error.105 | parse error: operation must have string member 'op' | An operation of a JSON Patch document must contain exactly one "op" member, whose value indicates the operation to perform. Its value must be one of "add", "remove", "replace", "move", "copy", or "test"; other values are errors. -json.exception.parse_error.106 | parse error: array index '01' must not begin with '0' | An array index in a JSON Pointer ([RFC 6901](https://tools.ietf.org/html/rfc6901)) may be `0` or any number without a leading `0`. -json.exception.parse_error.107 | parse error: JSON pointer must be empty or begin with '/' - was: 'foo' | A JSON Pointer must be a Unicode string containing a sequence of zero or more reference tokens, each prefixed by a `/` character. -json.exception.parse_error.108 | parse error: escape character '~' must be followed with '0' or '1' | In a JSON Pointer, only `~0` and `~1` are valid escape sequences. -json.exception.parse_error.109 | parse error: array index 'one' is not a number | A JSON Pointer array index must be a number. -json.exception.parse_error.110 | parse error at 1: cannot read 2 bytes from vector | When parsing CBOR or MessagePack, the byte vector ends before the complete value has been read. -json.exception.parse_error.112 | parse error at 1: error reading CBOR; last byte: 0xF8 | Not all types of CBOR or MessagePack are supported. This exception occurs if an unsupported byte was read. -json.exception.parse_error.113 | parse error at 2: expected a CBOR string; last byte: 0x98 | While parsing a map key, a value that is not a string has been read. -json.exception.parse_error.114 | parse error: Unsupported BSON record type 0x0F | The parsing of the corresponding BSON record type is not implemented (yet). -json.exception.parse_error.115 | parse error at byte 5: syntax error while parsing UBJSON high-precision number: invalid number text: 1A | A UBJSON high-precision number could not be parsed. - -@note For an input with n bytes, 1 is the index of the first character and n+1 - is the index of the terminating null byte or the end of file. This also - holds true when reading a byte vector (CBOR or MessagePack). - -@liveexample{The following code shows how a `parse_error` exception can be -caught.,parse_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class parse_error : public exception -{ -public: -/*! - @brief create a parse error exception - @param[in] id_ the id of the exception - @param[in] pos the position where the error occurred (or with - chars_read_total=0 if the position cannot be - determined) - @param[in] what_arg the explanatory string - @return parse_error object - */ -static parse_error create(int id_, const position_t& pos, const std::string& what_arg) -{ -std::string w = exception::name("parse_error", id_) + "parse error" + -position_string(pos) + ": " + what_arg; -return parse_error(id_, pos.chars_read_total, w.c_str()); -} - -static parse_error create(int id_, std::size_t byte_, const std::string& what_arg) -{ -std::string w = exception::name("parse_error", id_) + "parse error" + -(byte_ != 0 ? (" at byte " + std::to_string(byte_)) : "") + -": " + what_arg; -return parse_error(id_, byte_, w.c_str()); -} - -/*! - @brief byte index of the parse error - - The byte index of the last read character in the input file. - - @note For an input with n bytes, 1 is the index of the first character and - n+1 is the index of the terminating null byte or the end of file. - This also holds true when reading a byte vector (CBOR or MessagePack). - */ -const std::size_t byte; - -private: -parse_error(int id_, std::size_t byte_, const char* what_arg) -: exception(id_, what_arg), byte(byte_) {} - -static std::string position_string(const position_t& pos) -{ -return " at line " + std::to_string(pos.lines_read + 1) + -", column " + std::to_string(pos.chars_read_current_line); -} -}; - -/*! -@brief exception indicating errors with iterators - -This exception is thrown if iterators passed to a library function do not match -the expected semantics. - -Exceptions have ids 2xx. - -name / id | example message | description ------------------------------------ | --------------- | ------------------------- -json.exception.invalid_iterator.201 | iterators are not compatible | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.202 | iterator does not fit current value | In an erase or insert function, the passed iterator @a pos does not belong to the JSON value for which the function was called. It hence does not define a valid position for the deletion/insertion. -json.exception.invalid_iterator.203 | iterators do not fit current value | Either iterator passed to function @ref erase(IteratorType first, IteratorType last) does not belong to the JSON value from which values shall be erased. It hence does not define a valid range to delete values from. -json.exception.invalid_iterator.204 | iterators out of range | When an iterator range for a primitive type (number, boolean, or string) is passed to a constructor or an erase function, this range has to be exactly (@ref begin(), @ref end()), because this is the only way the single stored value is expressed. All other ranges are invalid. -json.exception.invalid_iterator.205 | iterator out of range | When an iterator for a primitive type (number, boolean, or string) is passed to an erase function, the iterator has to be the @ref begin() iterator, because it is the only way to address the stored value. All other iterators are invalid. -json.exception.invalid_iterator.206 | cannot construct with iterators from null | The iterators passed to constructor @ref basic_json(InputIT first, InputIT last) belong to a JSON null value and hence to not define a valid range. -json.exception.invalid_iterator.207 | cannot use key() for non-object iterators | The key() member function can only be used on iterators belonging to a JSON object, because other types do not have a concept of a key. -json.exception.invalid_iterator.208 | cannot use operator[] for object iterators | The operator[] to specify a concrete offset cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.209 | cannot use offsets with object iterators | The offset operators (+, -, +=, -=) cannot be used on iterators belonging to a JSON object, because JSON objects are unordered. -json.exception.invalid_iterator.210 | iterators do not fit | The iterator range passed to the insert function are not compatible, meaning they do not belong to the same container. Therefore, the range (@a first, @a last) is invalid. -json.exception.invalid_iterator.211 | passed iterators may not belong to container | The iterator range passed to the insert function must not be a subrange of the container to insert to. -json.exception.invalid_iterator.212 | cannot compare iterators of different containers | When two iterators are compared, they must belong to the same container. -json.exception.invalid_iterator.213 | cannot compare order of object iterators | The order of object iterators cannot be compared, because JSON objects are unordered. -json.exception.invalid_iterator.214 | cannot get value | Cannot get value for iterator: Either the iterator belongs to a null value or it is an iterator to a primitive type (number, boolean, or string), but the iterator is different to @ref begin(). - -@liveexample{The following code shows how an `invalid_iterator` exception can be -caught.,invalid_iterator} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class invalid_iterator : public exception -{ -public: -static invalid_iterator create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("invalid_iterator", id_) + what_arg; -return invalid_iterator(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -invalid_iterator(int id_, const char* what_arg) -: exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating executing a member function with a wrong type - -This exception is thrown in case of a type error; that is, a library function is -executed on a JSON value whose type does not match the expected semantics. - -Exceptions have ids 3xx. - -name / id | example message | description ------------------------------ | --------------- | ------------------------- -json.exception.type_error.301 | cannot create object from initializer list | To create an object from an initializer list, the initializer list must consist only of a list of pairs whose first element is a string. When this constraint is violated, an array is created instead. -json.exception.type_error.302 | type must be object, but is array | During implicit or explicit value conversion, the JSON type must be compatible to the target type. For instance, a JSON string can only be converted into string types, but not into numbers or boolean types. -json.exception.type_error.303 | incompatible ReferenceType for get_ref, actual type is object | To retrieve a reference to a value stored in a @ref basic_json object with @ref get_ref, the type of the reference must match the value type. For instance, for a JSON array, the @a ReferenceType must be @ref array_t &. -json.exception.type_error.304 | cannot use at() with string | The @ref at() member functions can only be executed for certain JSON types. -json.exception.type_error.305 | cannot use operator[] with string | The @ref operator[] member functions can only be executed for certain JSON types. -json.exception.type_error.306 | cannot use value() with string | The @ref value() member functions can only be executed for certain JSON types. -json.exception.type_error.307 | cannot use erase() with string | The @ref erase() member functions can only be executed for certain JSON types. -json.exception.type_error.308 | cannot use push_back() with string | The @ref push_back() and @ref operator+= member functions can only be executed for certain JSON types. -json.exception.type_error.309 | cannot use insert() with | The @ref insert() member functions can only be executed for certain JSON types. -json.exception.type_error.310 | cannot use swap() with number | The @ref swap() member functions can only be executed for certain JSON types. -json.exception.type_error.311 | cannot use emplace_back() with string | The @ref emplace_back() member function can only be executed for certain JSON types. -json.exception.type_error.312 | cannot use update() with string | The @ref update() member functions can only be executed for certain JSON types. -json.exception.type_error.313 | invalid value to unflatten | The @ref unflatten function converts an object whose keys are JSON Pointers back into an arbitrary nested JSON value. The JSON Pointers must not overlap, because then the resulting value would not be well defined. -json.exception.type_error.314 | only objects can be unflattened | The @ref unflatten function only works for an object whose keys are JSON Pointers. -json.exception.type_error.315 | values in object must be primitive | The @ref unflatten function only works for an object whose keys are JSON Pointers and whose values are primitive. -json.exception.type_error.316 | invalid UTF-8 byte at index 10: 0x7E | The @ref dump function only works with UTF-8 encoded strings; that is, if you assign a `std::string` to a JSON value, make sure it is UTF-8 encoded. | -json.exception.type_error.317 | JSON value cannot be serialized to requested format | The dynamic type of the object cannot be represented in the requested serialization format (e.g. a raw `true` or `null` JSON object cannot be serialized to BSON) | - -@liveexample{The following code shows how a `type_error` exception can be -caught.,type_error} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref out_of_range for exceptions indicating access out of the defined range -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class type_error : public exception -{ -public: -static type_error create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("type_error", id_) + what_arg; -return type_error(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -type_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating access out of the defined range - -This exception is thrown in case a library function is called on an input -parameter that exceeds the expected range, for instance in case of array -indices or nonexisting object keys. - -Exceptions have ids 4xx. - -name / id | example message | description -------------------------------- | --------------- | ------------------------- -json.exception.out_of_range.401 | array index 3 is out of range | The provided array index @a i is larger than @a size-1. -json.exception.out_of_range.402 | array index '-' (3) is out of range | The special array index `-` in a JSON Pointer never describes a valid element of the array, but the index past the end. That is, it can only be used to add elements at this position, but not to read it. -json.exception.out_of_range.403 | key 'foo' not found | The provided key was not found in the JSON object. -json.exception.out_of_range.404 | unresolved reference token 'foo' | A reference token in a JSON Pointer could not be resolved. -json.exception.out_of_range.405 | JSON pointer has no parent | The JSON Patch operations 'remove' and 'add' can not be applied to the root element of the JSON value. -json.exception.out_of_range.406 | number overflow parsing '10E1000' | A parsed number could not be stored as without changing it to NaN or INF. -json.exception.out_of_range.407 | number overflow serializing '9223372036854775808' | UBJSON and BSON only support integer numbers up to 9223372036854775807. (until version 3.8.0) | -json.exception.out_of_range.408 | excessive array size: 8658170730974374167 | The size (following `#`) of an UBJSON array or object exceeds the maximal capacity. | -json.exception.out_of_range.409 | BSON key cannot contain code point U+0000 (at byte 2) | Key identifiers to be serialized to BSON cannot contain code point U+0000, since the key is stored as zero-terminated c-string | - -@liveexample{The following code shows how an `out_of_range` exception can be -caught.,out_of_range} - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref other_error for exceptions indicating other library errors - -@since version 3.0.0 -*/ -class out_of_range : public exception -{ -public: -static out_of_range create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("out_of_range", id_) + what_arg; -return out_of_range(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -out_of_range(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; - -/*! -@brief exception indicating other library errors - -This exception is thrown in case of errors that cannot be classified with the -other exception types. - -Exceptions have ids 5xx. - -name / id | example message | description ------------------------------- | --------------- | ------------------------- -json.exception.other_error.501 | unsuccessful: {"op":"test","path":"/baz", "value":"bar"} | A JSON Patch operation 'test' failed. The unsuccessful operation is also printed. - -@sa - @ref exception for the base class of the library exceptions -@sa - @ref parse_error for exceptions indicating a parse error -@sa - @ref invalid_iterator for exceptions indicating errors with iterators -@sa - @ref type_error for exceptions indicating executing a member function with - a wrong type -@sa - @ref out_of_range for exceptions indicating access out of the defined range - -@liveexample{The following code shows how an `other_error` exception can be -caught.,other_error} - -@since version 3.0.0 -*/ -class other_error : public exception -{ -public: -static other_error create(int id_, const std::string& what_arg) -{ -std::string w = exception::name("other_error", id_) + what_arg; -return other_error(id_, w.c_str()); -} - -private: -JSON_HEDLEY_NON_NULL(3) -other_error(int id_, const char* what_arg) : exception(id_, what_arg) {} -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // conditional, enable_if, false_type, integral_constant, is_constructible, is_integral, is_same, remove_cv, remove_reference, true_type -#include // index_sequence, make_index_sequence, index_sequence_for - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -template -using uncvref_t = typename std::remove_cv::type>::type; - -#ifdef JSON_HAS_CPP_14 - -// the following utilities are natively available in C++14 -using std::enable_if_t; -using std::index_sequence; -using std::make_index_sequence; -using std::index_sequence_for; - -#else - -// alias templates to reduce boilerplate -template -using enable_if_t = typename std::enable_if::type; - -// source: https://stackoverflow.com/a/32223343 -template -struct index_sequence -{ -using type = index_sequence; -using value_type = std::size_t; -static constexpr std::size_t size() noexcept -{ -return sizeof...(Ints); -} -}; - -template -struct merge_and_renumber; - -template -struct merge_and_renumber, index_sequence> -: index_sequence < I1..., (sizeof...(I1) + I2)... > {}; - -template -struct make_index_sequence -: merge_and_renumber < typename make_index_sequence < N / 2 >::type, -typename make_index_sequence < N - N / 2 >::type > {}; - -template<> struct make_index_sequence<0> : index_sequence<> {}; -template<> struct make_index_sequence<1> : index_sequence<0> {}; - -template -using index_sequence_for = make_index_sequence; - -#endif - -// dispatch utility (taken from ranges-v3) -template struct priority_tag : priority_tag < N - 1 > {}; -template<> struct priority_tag<0> {}; - -// taken from ranges-v3 -template -struct static_const -{ -static constexpr T value{}; -}; - -template -constexpr T static_const::value; - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // numeric_limits -#include // false_type, is_constructible, is_integral, is_same, true_type -#include // declval - -// #include - - -#include // random_access_iterator_tag - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template struct make_void -{ -using type = void; -}; -template using void_t = typename make_void::type; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -struct iterator_types {}; - -template -struct iterator_types < -It, -void_t> -{ -using difference_type = typename It::difference_type; -using value_type = typename It::value_type; -using pointer = typename It::pointer; -using reference = typename It::reference; -using iterator_category = typename It::iterator_category; -}; - -// This is required as some compilers implement std::iterator_traits in a way that -// doesn't work with SFINAE. See https://github.com/nlohmann/json/issues/1341. -template -struct iterator_traits -{ -}; - -template -struct iterator_traits < T, enable_if_t < !std::is_pointer::value >> -: iterator_types -{ -}; - -template -struct iterator_traits::value>> -{ -using iterator_category = std::random_access_iterator_tag; -using value_type = T; -using difference_type = ptrdiff_t; -using pointer = T*; -using reference = T&; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include - -// #include - - -// https://en.cppreference.com/w/cpp/experimental/is_detected -namespace nlohmann -{ -namespace detail -{ -struct nonesuch -{ -nonesuch() = delete; -~nonesuch() = delete; -nonesuch(nonesuch const&) = delete; -nonesuch(nonesuch const&&) = delete; -void operator=(nonesuch const&) = delete; -void operator=(nonesuch&&) = delete; -}; - -template class Op, -class... Args> -struct detector -{ -using value_t = std::false_type; -using type = Default; -}; - -template class Op, class... Args> -struct detector>, Op, Args...> -{ -using value_t = std::true_type; -using type = Op; -}; - -template class Op, class... Args> -using is_detected = typename detector::value_t; - -template class Op, class... Args> -using detected_t = typename detector::type; - -template class Op, class... Args> -using detected_or = detector; - -template class Op, class... Args> -using detected_or_t = typename detected_or::type; - -template class Op, class... Args> -using is_detected_exact = std::is_same>; - -template class Op, class... Args> -using is_detected_convertible = -std::is_convertible, To>; -} // namespace detail -} // namespace nlohmann - -// #include -#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_ -#define INCLUDE_NLOHMANN_JSON_FWD_HPP_ - -#include // int64_t, uint64_t -#include // map -#include // allocator -#include // string -#include // vector - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ -/*! -@brief default JSONSerializer template argument - -This serializer ignores the template arguments and uses ADL -([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl)) -for serialization. -*/ -template -struct adl_serializer; - -template class ObjectType = -std::map, -template class ArrayType = std::vector, -class StringType = std::string, class BooleanType = bool, -class NumberIntegerType = std::int64_t, -class NumberUnsignedType = std::uint64_t, -class NumberFloatType = double, -template class AllocatorType = std::allocator, -template class JSONSerializer = -adl_serializer, -class BinaryType = std::vector> -class basic_json; - -/*! -@brief JSON Pointer - -A JSON pointer defines a string syntax for identifying a specific value -within a JSON document. It can be used with functions `at` and -`operator[]`. Furthermore, JSON pointers are the base for JSON patches. - -@sa [RFC 6901](https://tools.ietf.org/html/rfc6901) - -@since version 2.0.0 -*/ -template -class json_pointer; - -/*! -@brief default JSON class - -This type is the default specialization of the @ref basic_json class which -uses the standard template types. - -@since version 1.0.0 -*/ -using json = basic_json<>; - -template -struct ordered_map; - -/*! -@brief ordered JSON class - -This type preserves the insertion order of object keys. - -@since version 3.9.0 -*/ -using ordered_json = basic_json; - -} // namespace nlohmann - -#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_ - - -namespace nlohmann -{ -/*! -@brief detail namespace with internal helper functions - -This namespace collects functions that should not be exposed, -implementations of some @ref basic_json methods, and meta-programming helpers. - -@since version 2.1.0 -*/ -namespace detail -{ -///////////// -// helpers // -///////////// - -// Note to maintainers: -// -// Every trait in this file expects a non CV-qualified type. -// The only exceptions are in the 'aliases for detected' section -// (i.e. those of the form: decltype(T::member_function(std::declval()))) -// -// In this case, T has to be properly CV-qualified to constraint the function arguments -// (e.g. to_json(BasicJsonType&, const T&)) - -template struct is_basic_json : std::false_type {}; - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -struct is_basic_json : std::true_type {}; - -////////////////////// -// json_ref helpers // -////////////////////// - -template -class json_ref; - -template -struct is_json_ref : std::false_type {}; - -template -struct is_json_ref> : std::true_type {}; - -////////////////////////// -// aliases for detected // -////////////////////////// - -template -using mapped_type_t = typename T::mapped_type; - -template -using key_type_t = typename T::key_type; - -template -using value_type_t = typename T::value_type; - -template -using difference_type_t = typename T::difference_type; - -template -using pointer_t = typename T::pointer; - -template -using reference_t = typename T::reference; - -template -using iterator_category_t = typename T::iterator_category; - -template -using iterator_t = typename T::iterator; - -template -using to_json_function = decltype(T::to_json(std::declval()...)); - -template -using from_json_function = decltype(T::from_json(std::declval()...)); - -template -using get_template_function = decltype(std::declval().template get()); - -// trait checking if JSONSerializer::from_json(json const&, udt&) exists -template -struct has_from_json : std::false_type {}; - -// trait checking if j.get is valid -// use this trait instead of std::is_constructible or std::is_convertible, -// both rely on, or make use of implicit conversions, and thus fail when T -// has several constructors/operator= (see https://github.com/nlohmann/json/issues/958) -template -struct is_getable -{ -static constexpr bool value = is_detected::value; -}; - -template -struct has_from_json < BasicJsonType, T, -enable_if_t < !is_basic_json::value >> -{ -using serializer = typename BasicJsonType::template json_serializer; - -static constexpr bool value = -is_detected_exact::value; -}; - -// This trait checks if JSONSerializer::from_json(json const&) exists -// this overload is used for non-default-constructible user-defined-types -template -struct has_non_default_from_json : std::false_type {}; - -template -struct has_non_default_from_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ -using serializer = typename BasicJsonType::template json_serializer; - -static constexpr bool value = -is_detected_exact::value; -}; - -// This trait checks if BasicJsonType::json_serializer::to_json exists -// Do not evaluate the trait when T is a basic_json type, to avoid template instantiation infinite recursion. -template -struct has_to_json : std::false_type {}; - -template -struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json::value >> -{ -using serializer = typename BasicJsonType::template json_serializer; - -static constexpr bool value = -is_detected_exact::value; -}; - - -/////////////////// -// is_ functions // -/////////////////// - -template -struct is_iterator_traits : std::false_type {}; - -template -struct is_iterator_traits> -{ -private: -using traits = iterator_traits; - -public: -static constexpr auto value = -is_detected::value && -is_detected::value && -is_detected::value && -is_detected::value && -is_detected::value; -}; - -// The following implementation of is_complete_type is taken from -// https://blogs.msdn.microsoft.com/vcblog/2015/12/02/partial-support-for-expression-sfinae-in-vs-2015-update-1/ -// and is written by Xiang Fan who agreed to using it in this library. - -template -struct is_complete_type : std::false_type {}; - -template -struct is_complete_type : std::true_type {}; - -template -struct is_compatible_object_type_impl : std::false_type {}; - -template -struct is_compatible_object_type_impl < -BasicJsonType, CompatibleObjectType, -enable_if_t < is_detected::value&& -is_detected::value >> -{ -using object_t = typename BasicJsonType::object_t; - -// macOS's is_constructible does not play well with nonesuch... -static constexpr bool value = -std::is_constructible::value && -std::is_constructible::value; -}; - -template -struct is_compatible_object_type -: is_compatible_object_type_impl {}; - -template -struct is_constructible_object_type_impl : std::false_type {}; - -template -struct is_constructible_object_type_impl < -BasicJsonType, ConstructibleObjectType, -enable_if_t < is_detected::value&& -is_detected::value >> -{ -using object_t = typename BasicJsonType::object_t; - -static constexpr bool value = -(std::is_default_constructible::value && -(std::is_move_assignable::value || -std::is_copy_assignable::value) && -(std::is_constructible::value && -std::is_same < -typename object_t::mapped_type, -typename ConstructibleObjectType::mapped_type >::value)) || -(has_from_json::value || -has_non_default_from_json < -BasicJsonType, -typename ConstructibleObjectType::mapped_type >::value); -}; - -template -struct is_constructible_object_type -: is_constructible_object_type_impl {}; - -template -struct is_compatible_string_type_impl : std::false_type {}; - -template -struct is_compatible_string_type_impl < -BasicJsonType, CompatibleStringType, -enable_if_t::value >> -{ -static constexpr auto value = -std::is_constructible::value; -}; - -template -struct is_compatible_string_type -: is_compatible_string_type_impl {}; - -template -struct is_constructible_string_type_impl : std::false_type {}; - -template -struct is_constructible_string_type_impl < -BasicJsonType, ConstructibleStringType, -enable_if_t::value >> -{ -static constexpr auto value = -std::is_constructible::value; -}; - -template -struct is_constructible_string_type -: is_constructible_string_type_impl {}; - -template -struct is_compatible_array_type_impl : std::false_type {}; - -template -struct is_compatible_array_type_impl < -BasicJsonType, CompatibleArrayType, -enable_if_t < is_detected::value&& -is_detected::value&& -// This is needed because json_reverse_iterator has a ::iterator type... -// Therefore it is detected as a CompatibleArrayType. -// The real fix would be to have an Iterable concept. -!is_iterator_traits < -iterator_traits>::value >> -{ -static constexpr bool value = -std::is_constructible::value; -}; - -template -struct is_compatible_array_type -: is_compatible_array_type_impl {}; - -template -struct is_constructible_array_type_impl : std::false_type {}; - -template -struct is_constructible_array_type_impl < -BasicJsonType, ConstructibleArrayType, -enable_if_t::value >> -: std::true_type {}; - -template -struct is_constructible_array_type_impl < -BasicJsonType, ConstructibleArrayType, -enable_if_t < !std::is_same::value&& -std::is_default_constructible::value&& -(std::is_move_assignable::value || -std::is_copy_assignable::value)&& -is_detected::value&& -is_detected::value&& -is_complete_type < -detected_t>::value >> -{ -static constexpr bool value = -// This is needed because json_reverse_iterator has a ::iterator type, -// furthermore, std::back_insert_iterator (and other iterators) have a -// base class `iterator`... Therefore it is detected as a -// ConstructibleArrayType. The real fix would be to have an Iterable -// concept. -!is_iterator_traits>::value && - -(std::is_same::value || -has_from_json::value || -has_non_default_from_json < -BasicJsonType, typename ConstructibleArrayType::value_type >::value); -}; - -template -struct is_constructible_array_type -: is_constructible_array_type_impl {}; - -template -struct is_compatible_integer_type_impl : std::false_type {}; - -template -struct is_compatible_integer_type_impl < -RealIntegerType, CompatibleNumberIntegerType, -enable_if_t < std::is_integral::value&& -std::is_integral::value&& -!std::is_same::value >> -{ -// is there an assert somewhere on overflows? -using RealLimits = std::numeric_limits; -using CompatibleLimits = std::numeric_limits; - -static constexpr auto value = -std::is_constructible::value && -CompatibleLimits::is_integer && -RealLimits::is_signed == CompatibleLimits::is_signed; -}; - -template -struct is_compatible_integer_type -: is_compatible_integer_type_impl {}; - -template -struct is_compatible_type_impl: std::false_type {}; - -template -struct is_compatible_type_impl < -BasicJsonType, CompatibleType, -enable_if_t::value >> -{ -static constexpr bool value = -has_to_json::value; -}; - -template -struct is_compatible_type -: is_compatible_type_impl {}; - -// https://en.cppreference.com/w/cpp/types/conjunction -template struct conjunction : std::true_type { }; -template struct conjunction : B1 { }; -template -struct conjunction -: std::conditional, B1>::type {}; - -template -struct is_constructible_tuple : std::false_type {}; - -template -struct is_constructible_tuple> : conjunction...> {}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // array -#include // size_t -#include // uint8_t -#include // string - -namespace nlohmann -{ -namespace detail -{ -/////////////////////////// -// JSON type enumeration // -/////////////////////////// - -/*! -@brief the JSON type enumeration - -This enumeration collects the different JSON types. It is internally used to -distinguish the stored values, and the functions @ref basic_json::is_null(), -@ref basic_json::is_object(), @ref basic_json::is_array(), -@ref basic_json::is_string(), @ref basic_json::is_boolean(), -@ref basic_json::is_number() (with @ref basic_json::is_number_integer(), -@ref basic_json::is_number_unsigned(), and @ref basic_json::is_number_float()), -@ref basic_json::is_discarded(), @ref basic_json::is_primitive(), and -@ref basic_json::is_structured() rely on it. - -@note There are three enumeration entries (number_integer, number_unsigned, and -number_float), because the library distinguishes these three types for numbers: -@ref basic_json::number_unsigned_t is used for unsigned integers, -@ref basic_json::number_integer_t is used for signed integers, and -@ref basic_json::number_float_t is used for floating-point numbers or to -approximate integers which do not fit in the limits of their respective type. - -@sa @ref basic_json::basic_json(const value_t value_type) -- create a JSON -value with the default value for a given type - -@since version 1.0.0 -*/ -enum class value_t : std::uint8_t -{ -null, ///< null value -object, ///< object (unordered set of name/value pairs) -array, ///< array (ordered collection of values) -string, ///< string value -boolean, ///< boolean value -number_integer, ///< number value (signed integer) -number_unsigned, ///< number value (unsigned integer) -number_float, ///< number value (floating-point) -binary, ///< binary array (ordered collection of bytes) -discarded ///< discarded by the parser callback function -}; - -/*! -@brief comparison operator for JSON types - -Returns an ordering that is similar to Python: -- order: null < boolean < number < object < array < string < binary -- furthermore, each type is not smaller than itself -- discarded values are not comparable -- binary is represented as a b"" string in python and directly comparable to a - string; however, making a binary array directly comparable with a string would - be surprising behavior in a JSON file. - -@since version 1.0.0 -*/ -inline bool operator<(const value_t lhs, const value_t rhs) noexcept -{ -static constexpr std::array order = {{ -0 /* null */, 3 /* object */, 4 /* array */, 5 /* string */, -1 /* boolean */, 2 /* integer */, 2 /* unsigned */, 2 /* float */, -6 /* binary */ -} -}; - -const auto l_index = static_cast(lhs); -const auto r_index = static_cast(rhs); -return l_index < order.size() && r_index < order.size() && order[l_index] < order[r_index]; -} -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -template -void from_json(const BasicJsonType& j, typename std::nullptr_t& n) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_null())) -{ -JSON_THROW(type_error::create(302, "type must be null, but is " + std::string(j.type_name()))); -} -n = nullptr; -} - -// overloads for basic_json template parameters -template < typename BasicJsonType, typename ArithmeticType, -enable_if_t < std::is_arithmetic::value&& -!std::is_same::value, -int > = 0 > -void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val) -{ -switch (static_cast(j)) -{ -case value_t::number_unsigned: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_integer: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_float: -{ -val = static_cast(*j.template get_ptr()); -break; -} - -default: -JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); -} -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t& b) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_boolean())) -{ -JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(j.type_name()))); -} -b = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::string_t& s) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_string())) -{ -JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); -} -s = *j.template get_ptr(); -} - -template < -typename BasicJsonType, typename ConstructibleStringType, -enable_if_t < -is_constructible_string_type::value&& -!std::is_same::value, -int > = 0 > -void from_json(const BasicJsonType& j, ConstructibleStringType& s) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_string())) -{ -JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()))); -} - -s = *j.template get_ptr(); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_float_t& val) -{ -get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_unsigned_t& val) -{ -get_arithmetic_value(j, val); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::number_integer_t& val) -{ -get_arithmetic_value(j, val); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, EnumType& e) -{ -typename std::underlying_type::type val; -get_arithmetic_value(j, val); -e = static_cast(val); -} - -// forward_list doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::forward_list& l) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -l.clear(); -std::transform(j.rbegin(), j.rend(), -std::front_inserter(l), [](const BasicJsonType & i) -{ -return i.template get(); -}); -} - -// valarray doesn't have an insert method -template::value, int> = 0> -void from_json(const BasicJsonType& j, std::valarray& l) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -l.resize(j.size()); -std::transform(j.begin(), j.end(), std::begin(l), -[](const BasicJsonType & elem) -{ -return elem.template get(); -}); -} - -template -auto from_json(const BasicJsonType& j, T (&arr)[N]) --> decltype(j.template get(), void()) -{ -for (std::size_t i = 0; i < N; ++i) -{ -arr[i] = j.at(i).template get(); -} -} - -template -void from_json_array_impl(const BasicJsonType& j, typename BasicJsonType::array_t& arr, priority_tag<3> /*unused*/) -{ -arr = *j.template get_ptr(); -} - -template -auto from_json_array_impl(const BasicJsonType& j, std::array& arr, -priority_tag<2> /*unused*/) --> decltype(j.template get(), void()) -{ -for (std::size_t i = 0; i < N; ++i) -{ -arr[i] = j.at(i).template get(); -} -} - -template -auto from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, priority_tag<1> /*unused*/) --> decltype( -arr.reserve(std::declval()), -j.template get(), -void()) -{ -using std::end; - -ConstructibleArrayType ret; -ret.reserve(j.size()); -std::transform(j.begin(), j.end(), -std::inserter(ret, end(ret)), [](const BasicJsonType & i) -{ -// get() returns *this, this won't call a from_json -// method when value_type is BasicJsonType -return i.template get(); -}); -arr = std::move(ret); -} - -template -void from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, -priority_tag<0> /*unused*/) -{ -using std::end; - -ConstructibleArrayType ret; -std::transform( -j.begin(), j.end(), std::inserter(ret, end(ret)), -[](const BasicJsonType & i) -{ -// get() returns *this, this won't call a from_json -// method when value_type is BasicJsonType -return i.template get(); -}); -arr = std::move(ret); -} - -template < typename BasicJsonType, typename ConstructibleArrayType, -enable_if_t < -is_constructible_array_type::value&& -!is_constructible_object_type::value&& -!is_constructible_string_type::value&& -!std::is_same::value&& -!is_basic_json::value, -int > = 0 > -auto from_json(const BasicJsonType& j, ConstructibleArrayType& arr) --> decltype(from_json_array_impl(j, arr, priority_tag<3> {}), -j.template get(), -void()) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + -std::string(j.type_name()))); -} - -from_json_array_impl(j, arr, priority_tag<3> {}); -} - -template -void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t& bin) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_binary())) -{ -JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(j.type_name()))); -} - -bin = *j.template get_ptr(); -} - -template::value, int> = 0> -void from_json(const BasicJsonType& j, ConstructibleObjectType& obj) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_object())) -{ -JSON_THROW(type_error::create(302, "type must be object, but is " + std::string(j.type_name()))); -} - -ConstructibleObjectType ret; -auto inner_object = j.template get_ptr(); -using value_type = typename ConstructibleObjectType::value_type; -std::transform( -inner_object->begin(), inner_object->end(), -std::inserter(ret, ret.begin()), -[](typename BasicJsonType::object_t::value_type const & p) -{ -return value_type(p.first, p.second.template get()); -}); -obj = std::move(ret); -} - -// overload for arithmetic types, not chosen for basic_json template arguments -// (BooleanType, etc..); note: Is it really necessary to provide explicit -// overloads for boolean_t etc. in case of a custom BooleanType which is not -// an arithmetic type? -template < typename BasicJsonType, typename ArithmeticType, -enable_if_t < -std::is_arithmetic::value&& -!std::is_same::value&& -!std::is_same::value&& -!std::is_same::value&& -!std::is_same::value, -int > = 0 > -void from_json(const BasicJsonType& j, ArithmeticType& val) -{ -switch (static_cast(j)) -{ -case value_t::number_unsigned: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_integer: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::number_float: -{ -val = static_cast(*j.template get_ptr()); -break; -} -case value_t::boolean: -{ -val = static_cast(*j.template get_ptr()); -break; -} - -default: -JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()))); -} -} - -template -void from_json(const BasicJsonType& j, std::pair& p) -{ -p = {j.at(0).template get(), j.at(1).template get()}; -} - -template -void from_json_tuple_impl(const BasicJsonType& j, Tuple& t, index_sequence /*unused*/) -{ -t = std::make_tuple(j.at(Idx).template get::type>()...); -} - -template -void from_json(const BasicJsonType& j, std::tuple& t) -{ -from_json_tuple_impl(j, t, index_sequence_for {}); -} - -template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator, -typename = enable_if_t < !std::is_constructible < -typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::map& m) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -m.clear(); -for (const auto& p : j) -{ -if (JSON_HEDLEY_UNLIKELY(!p.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); -} -m.emplace(p.at(0).template get(), p.at(1).template get()); -} -} - -template < typename BasicJsonType, typename Key, typename Value, typename Hash, typename KeyEqual, typename Allocator, -typename = enable_if_t < !std::is_constructible < -typename BasicJsonType::string_t, Key >::value >> -void from_json(const BasicJsonType& j, std::unordered_map& m) -{ -if (JSON_HEDLEY_UNLIKELY(!j.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()))); -} -m.clear(); -for (const auto& p : j) -{ -if (JSON_HEDLEY_UNLIKELY(!p.is_array())) -{ -JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()))); -} -m.emplace(p.at(0).template get(), p.at(1).template get()); -} -} - -struct from_json_fn -{ -template -auto operator()(const BasicJsonType& j, T& val) const -noexcept(noexcept(from_json(j, val))) --> decltype(from_json(j, val), void()) -{ -return from_json(j, val); -} -}; -} // namespace detail - -/// namespace to hold default `from_json` function -/// to see why this is required: -/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html -namespace -{ -constexpr const auto& from_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - -// #include - - -#include // copy -#include // begin, end -#include // string -#include // tuple, get -#include // is_same, is_constructible, is_floating_point, is_enum, underlying_type -#include // move, forward, declval, pair -#include // valarray -#include // vector - -// #include - - -#include // size_t -#include // input_iterator_tag -#include // string, to_string -#include // tuple_size, get, tuple_element - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -void int_to_string( string_type& target, std::size_t value ) -{ -// For ADL -using std::to_string; -target = to_string(value); -} -template class iteration_proxy_value -{ -public: -using difference_type = std::ptrdiff_t; -using value_type = iteration_proxy_value; -using pointer = value_type * ; -using reference = value_type & ; -using iterator_category = std::input_iterator_tag; -using string_type = typename std::remove_cv< typename std::remove_reference().key() ) >::type >::type; - -private: -/// the iterator -IteratorType anchor; -/// an index for arrays (used to create key names) -std::size_t array_index = 0; -/// last stringified array index -mutable std::size_t array_index_last = 0; -/// a string representation of the array index -mutable string_type array_index_str = "0"; -/// an empty string (to return a reference for primitive values) -const string_type empty_str = ""; - -public: -explicit iteration_proxy_value(IteratorType it) noexcept : anchor(it) {} - -/// dereference operator (needed for range-based for) -iteration_proxy_value& operator*() -{ -return *this; -} - -/// increment operator (needed for range-based for) -iteration_proxy_value& operator++() -{ -++anchor; -++array_index; - -return *this; -} - -/// equality operator (needed for InputIterator) -bool operator==(const iteration_proxy_value& o) const -{ -return anchor == o.anchor; -} - -/// inequality operator (needed for range-based for) -bool operator!=(const iteration_proxy_value& o) const -{ -return anchor != o.anchor; -} - -/// return key of the iterator -const string_type& key() const -{ -JSON_ASSERT(anchor.m_object != nullptr); - -switch (anchor.m_object->type()) -{ -// use integer array index as key -case value_t::array: -{ -if (array_index != array_index_last) -{ -int_to_string( array_index_str, array_index ); -array_index_last = array_index; -} -return array_index_str; -} - -// use key from the object -case value_t::object: -return anchor.key(); - -// use an empty key for all primitive types -default: -return empty_str; -} -} - -/// return value of the iterator -typename IteratorType::reference value() const -{ -return anchor.value(); -} -}; - -/// proxy class for the items() function -template class iteration_proxy -{ -private: -/// the container to iterate -typename IteratorType::reference container; - -public: -/// construct iteration proxy from a container -explicit iteration_proxy(typename IteratorType::reference cont) noexcept -: container(cont) {} - -/// return iterator begin (needed for range-based for) -iteration_proxy_value begin() noexcept -{ -return iteration_proxy_value(container.begin()); -} - -/// return iterator end (needed for range-based for) -iteration_proxy_value end() noexcept -{ -return iteration_proxy_value(container.end()); -} -}; -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.key()) -{ -return i.key(); -} -// Structured Bindings Support -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -template = 0> -auto get(const nlohmann::detail::iteration_proxy_value& i) -> decltype(i.value()) -{ -return i.value(); -} -} // namespace detail -} // namespace nlohmann - -// The Addition to the STD Namespace is required to add -// Structured Bindings Support to the iteration_proxy_value class -// For further reference see https://blog.tartanllama.xyz/structured-bindings/ -// And see https://github.com/nlohmann/json/pull/1391 -namespace std -{ -#if defined(__clang__) -// Fix: https://github.com/nlohmann/json/issues/1401 -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Wmismatched-tags" -#endif -template -class tuple_size<::nlohmann::detail::iteration_proxy_value> -: public std::integral_constant {}; - -template -class tuple_element> -{ -public: -using type = decltype( -get(std::declval < -::nlohmann::detail::iteration_proxy_value> ())); -}; -#if defined(__clang__) -#pragma clang diagnostic pop -#endif -} // namespace std - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -////////////////// -// constructors // -////////////////// - -template struct external_constructor; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept -{ -j.m_type = value_t::boolean; -j.m_value = b; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s) -{ -j.m_type = value_t::string; -j.m_value = s; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s) -{ -j.m_type = value_t::string; -j.m_value = std::move(s); -j.assert_invariant(); -} - -template < typename BasicJsonType, typename CompatibleStringType, -enable_if_t < !std::is_same::value, -int > = 0 > -static void construct(BasicJsonType& j, const CompatibleStringType& str) -{ -j.m_type = value_t::string; -j.m_value.string = j.template create(str); -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::binary_t& b) -{ -j.m_type = value_t::binary; -typename BasicJsonType::binary_t value{b}; -j.m_value = value; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::binary_t&& b) -{ -j.m_type = value_t::binary; -typename BasicJsonType::binary_t value{std::move(b)}; -j.m_value = value; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept -{ -j.m_type = value_t::number_float; -j.m_value = val; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept -{ -j.m_type = value_t::number_unsigned; -j.m_value = val; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept -{ -j.m_type = value_t::number_integer; -j.m_value = val; -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr) -{ -j.m_type = value_t::array; -j.m_value = arr; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr) -{ -j.m_type = value_t::array; -j.m_value = std::move(arr); -j.assert_invariant(); -} - -template < typename BasicJsonType, typename CompatibleArrayType, -enable_if_t < !std::is_same::value, -int > = 0 > -static void construct(BasicJsonType& j, const CompatibleArrayType& arr) -{ -using std::begin; -using std::end; -j.m_type = value_t::array; -j.m_value.array = j.template create(begin(arr), end(arr)); -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, const std::vector& arr) -{ -j.m_type = value_t::array; -j.m_value = value_t::array; -j.m_value.array->reserve(arr.size()); -for (const bool x : arr) -{ -j.m_value.array->push_back(x); -} -j.assert_invariant(); -} - -template::value, int> = 0> -static void construct(BasicJsonType& j, const std::valarray& arr) -{ -j.m_type = value_t::array; -j.m_value = value_t::array; -j.m_value.array->resize(arr.size()); -if (arr.size() > 0) -{ -std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin()); -} -j.assert_invariant(); -} -}; - -template<> -struct external_constructor -{ -template -static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj) -{ -j.m_type = value_t::object; -j.m_value = obj; -j.assert_invariant(); -} - -template -static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj) -{ -j.m_type = value_t::object; -j.m_value = std::move(obj); -j.assert_invariant(); -} - -template < typename BasicJsonType, typename CompatibleObjectType, -enable_if_t < !std::is_same::value, int > = 0 > -static void construct(BasicJsonType& j, const CompatibleObjectType& obj) -{ -using std::begin; -using std::end; - -j.m_type = value_t::object; -j.m_value.object = j.template create(begin(obj), end(obj)); -j.assert_invariant(); -} -}; - -///////////// -// to_json // -///////////// - -template::value, int> = 0> -void to_json(BasicJsonType& j, T b) noexcept -{ -external_constructor::construct(j, b); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const CompatibleString& s) -{ -external_constructor::construct(j, s); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::string_t&& s) -{ -external_constructor::construct(j, std::move(s)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, FloatType val) noexcept -{ -external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberUnsignedType val) noexcept -{ -external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, CompatibleNumberIntegerType val) noexcept -{ -external_constructor::construct(j, static_cast(val)); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, EnumType e) noexcept -{ -using underlying_type = typename std::underlying_type::type; -external_constructor::construct(j, static_cast(e)); -} - -template -void to_json(BasicJsonType& j, const std::vector& e) -{ -external_constructor::construct(j, e); -} - -template < typename BasicJsonType, typename CompatibleArrayType, -enable_if_t < is_compatible_array_type::value&& -!is_compatible_object_type::value&& -!is_compatible_string_type::value&& -!std::is_same::value&& -!is_basic_json::value, -int > = 0 > -void to_json(BasicJsonType& j, const CompatibleArrayType& arr) -{ -external_constructor::construct(j, arr); -} - -template -void to_json(BasicJsonType& j, const typename BasicJsonType::binary_t& bin) -{ -external_constructor::construct(j, bin); -} - -template::value, int> = 0> -void to_json(BasicJsonType& j, const std::valarray& arr) -{ -external_constructor::construct(j, std::move(arr)); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::array_t&& arr) -{ -external_constructor::construct(j, std::move(arr)); -} - -template < typename BasicJsonType, typename CompatibleObjectType, -enable_if_t < is_compatible_object_type::value&& !is_basic_json::value, int > = 0 > -void to_json(BasicJsonType& j, const CompatibleObjectType& obj) -{ -external_constructor::construct(j, obj); -} - -template -void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj) -{ -external_constructor::construct(j, std::move(obj)); -} - -template < -typename BasicJsonType, typename T, std::size_t N, -enable_if_t < !std::is_constructible::value, -int > = 0 > -void to_json(BasicJsonType& j, const T(&arr)[N]) -{ -external_constructor::construct(j, arr); -} - -template < typename BasicJsonType, typename T1, typename T2, enable_if_t < std::is_constructible::value&& std::is_constructible::value, int > = 0 > -void to_json(BasicJsonType& j, const std::pair& p) -{ -j = { p.first, p.second }; -} - -// for https://github.com/nlohmann/json/pull/1134 -template>::value, int> = 0> -void to_json(BasicJsonType& j, const T& b) -{ -j = { {b.key(), b.value()} }; -} - -template -void to_json_tuple_impl(BasicJsonType& j, const Tuple& t, index_sequence /*unused*/) -{ -j = { std::get(t)... }; -} - -template::value, int > = 0> -void to_json(BasicJsonType& j, const T& t) -{ -to_json_tuple_impl(j, t, make_index_sequence::value> {}); -} - -struct to_json_fn -{ -template -auto operator()(BasicJsonType& j, T&& val) const noexcept(noexcept(to_json(j, std::forward(val)))) --> decltype(to_json(j, std::forward(val)), void()) -{ -return to_json(j, std::forward(val)); -} -}; -} // namespace detail - -/// namespace to hold default `to_json` function -namespace -{ -constexpr const auto& to_json = detail::static_const::value; -} // namespace -} // namespace nlohmann - - -namespace nlohmann -{ - -template -struct adl_serializer -{ -/*! - @brief convert a JSON value to any value type - - This function is usually called by the `get()` function of the - @ref basic_json class (either explicit or via conversion operators). - - @param[in] j JSON value to read from - @param[in,out] val value to write to - */ -template -static auto from_json(BasicJsonType&& j, ValueType& val) noexcept( -noexcept(::nlohmann::from_json(std::forward(j), val))) --> decltype(::nlohmann::from_json(std::forward(j), val), void()) -{ -::nlohmann::from_json(std::forward(j), val); -} - -/*! - @brief convert any value type to a JSON value - - This function is usually called by the constructors of the @ref basic_json - class. - - @param[in,out] j JSON value to write to - @param[in] val value to read from - */ -template -static auto to_json(BasicJsonType& j, ValueType&& val) noexcept( -noexcept(::nlohmann::to_json(j, std::forward(val)))) --> decltype(::nlohmann::to_json(j, std::forward(val)), void()) -{ -::nlohmann::to_json(j, std::forward(val)); -} -}; - -} // namespace nlohmann - -// #include - - -#include // uint8_t -#include // tie -#include // move - -namespace nlohmann -{ - -/*! -@brief an internal type for a backed binary type - -This type extends the template parameter @a BinaryType provided to `basic_json` -with a subtype used by BSON and MessagePack. This type exists so that the user -does not have to specify a type themselves with a specific naming scheme in -order to override the binary type. - -@tparam BinaryType container to store bytes (`std::vector` by - default) - -@since version 3.8.0 -*/ -template -class byte_container_with_subtype : public BinaryType -{ -public: -/// the type of the underlying container -using container_type = BinaryType; - -byte_container_with_subtype() noexcept(noexcept(container_type())) -: container_type() -{} - -byte_container_with_subtype(const container_type& b) noexcept(noexcept(container_type(b))) -: container_type(b) -{} - -byte_container_with_subtype(container_type&& b) noexcept(noexcept(container_type(std::move(b)))) -: container_type(std::move(b)) -{} - -byte_container_with_subtype(const container_type& b, std::uint8_t subtype_) noexcept(noexcept(container_type(b))) -: container_type(b) -, m_subtype(subtype_) -, m_has_subtype(true) -{} - -byte_container_with_subtype(container_type&& b, std::uint8_t subtype_) noexcept(noexcept(container_type(std::move(b)))) -: container_type(std::move(b)) -, m_subtype(subtype_) -, m_has_subtype(true) -{} - -bool operator==(const byte_container_with_subtype& rhs) const -{ -return std::tie(static_cast(*this), m_subtype, m_has_subtype) == -std::tie(static_cast(rhs), rhs.m_subtype, rhs.m_has_subtype); -} - -bool operator!=(const byte_container_with_subtype& rhs) const -{ -return !(rhs == *this); -} - -/*! - @brief sets the binary subtype - - Sets the binary subtype of the value, also flags a binary JSON value as - having a subtype, which has implications for serialization. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ -void set_subtype(std::uint8_t subtype_) noexcept -{ -m_subtype = subtype_; -m_has_subtype = true; -} - -/*! - @brief return the binary subtype - - Returns the numerical subtype of the value if it has a subtype. If it does - not have a subtype, this function will return size_t(-1) as a sentinel - value. - - @return the numerical subtype of the binary value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ -constexpr std::uint8_t subtype() const noexcept -{ -return m_subtype; -} - -/*! - @brief return whether the value has a subtype - - @return whether the value has a subtype - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref clear_subtype() -- clears the binary subtype - - @since version 3.8.0 - */ -constexpr bool has_subtype() const noexcept -{ -return m_has_subtype; -} - -/*! - @brief clears the binary subtype - - Clears the binary subtype and flags the value as not having a subtype, which - has implications for serialization; for instance MessagePack will prefer the - bin family over the ext family. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @sa @ref subtype() -- return the binary subtype - @sa @ref set_subtype() -- sets the binary subtype - @sa @ref has_subtype() -- returns whether or not the binary value has a - subtype - - @since version 3.8.0 - */ -void clear_subtype() noexcept -{ -m_subtype = 0; -m_has_subtype = false; -} - -private: -std::uint8_t m_subtype = 0; -bool m_has_subtype = false; -}; - -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // size_t, uint8_t -#include // hash - -namespace nlohmann -{ -namespace detail -{ - -// boost::hash_combine -inline std::size_t combine(std::size_t seed, std::size_t h) noexcept -{ -seed ^= h + 0x9e3779b9 + (seed << 6U) + (seed >> 2U); -return seed; -} - -/*! -@brief hash a JSON value - -The hash function tries to rely on std::hash where possible. Furthermore, the -type of the JSON value is taken into account to have different hash values for -null, 0, 0U, and false, etc. - -@tparam BasicJsonType basic_json specialization -@param j JSON value to hash -@return hash value of j -*/ -template -std::size_t hash(const BasicJsonType& j) -{ -using string_t = typename BasicJsonType::string_t; -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; - -const auto type = static_cast(j.type()); -switch (j.type()) -{ -case BasicJsonType::value_t::null: -case BasicJsonType::value_t::discarded: -{ -return combine(type, 0); -} - -case BasicJsonType::value_t::object: -{ -auto seed = combine(type, j.size()); -for (const auto& element : j.items()) -{ -const auto h = std::hash {}(element.key()); -seed = combine(seed, h); -seed = combine(seed, hash(element.value())); -} -return seed; -} - -case BasicJsonType::value_t::array: -{ -auto seed = combine(type, j.size()); -for (const auto& element : j) -{ -seed = combine(seed, hash(element)); -} -return seed; -} - -case BasicJsonType::value_t::string: -{ -const auto h = std::hash {}(j.template get_ref()); -return combine(type, h); -} - -case BasicJsonType::value_t::boolean: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::number_integer: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::number_unsigned: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::number_float: -{ -const auto h = std::hash {}(j.template get()); -return combine(type, h); -} - -case BasicJsonType::value_t::binary: -{ -auto seed = combine(type, j.get_binary().size()); -const auto h = std::hash {}(j.get_binary().has_subtype()); -seed = combine(seed, h); -seed = combine(seed, j.get_binary().subtype()); -for (const auto byte : j.get_binary()) -{ -seed = combine(seed, std::hash {}(byte)); -} -return seed; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -return 0; // LCOV_EXCL_LINE -} -} - -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // generate_n -#include // array -#include // ldexp -#include // size_t -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // snprintf -#include // memcpy -#include // back_inserter -#include // numeric_limits -#include // char_traits, string -#include // make_pair, move - -// #include - -// #include - - -#include // array -#include // size_t -#include //FILE * -#include // strlen -#include // istream -#include // begin, end, iterator_traits, random_access_iterator_tag, distance, next -#include // shared_ptr, make_shared, addressof -#include // accumulate -#include // string, char_traits -#include // enable_if, is_base_of, is_pointer, is_integral, remove_pointer -#include // pair, declval - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// the supported input formats -enum class input_format_t { json, cbor, msgpack, ubjson, bson }; - -//////////////////// -// input adapters // -//////////////////// - -/*! -Input adapter for stdio file access. This adapter read only 1 byte and do not use any - buffer. This adapter is a very low level adapter. -*/ -class file_input_adapter -{ -public: -using char_type = char; - -JSON_HEDLEY_NON_NULL(2) -explicit file_input_adapter(std::FILE* f) noexcept -: m_file(f) -{} - -// make class move-only -file_input_adapter(const file_input_adapter&) = delete; -file_input_adapter(file_input_adapter&&) = default; -file_input_adapter& operator=(const file_input_adapter&) = delete; -file_input_adapter& operator=(file_input_adapter&&) = delete; - -std::char_traits::int_type get_character() noexcept -{ -return std::fgetc(m_file); -} - -private: -/// the file pointer to read from -std::FILE* m_file; -}; - - -/*! -Input adapter for a (caching) istream. Ignores a UFT Byte Order Mark at -beginning of input. Does not support changing the underlying std::streambuf -in mid-input. Maintains underlying std::istream and std::streambuf to support -subsequent use of standard std::istream operations to process any input -characters following those used in parsing the JSON input. Clears the -std::istream flags; any input errors (e.g., EOF) will be detected by the first -subsequent call for input from the std::istream. -*/ -class input_stream_adapter -{ -public: -using char_type = char; - -~input_stream_adapter() -{ -// clear stream flags; we use underlying streambuf I/O, do not -// maintain ifstream flags, except eof -if (is != nullptr) -{ -is->clear(is->rdstate() & std::ios::eofbit); -} -} - -explicit input_stream_adapter(std::istream& i) -: is(&i), sb(i.rdbuf()) -{} - -// delete because of pointer members -input_stream_adapter(const input_stream_adapter&) = delete; -input_stream_adapter& operator=(input_stream_adapter&) = delete; -input_stream_adapter& operator=(input_stream_adapter&& rhs) = delete; - -input_stream_adapter(input_stream_adapter&& rhs) noexcept : is(rhs.is), sb(rhs.sb) -{ -rhs.is = nullptr; -rhs.sb = nullptr; -} - -// std::istream/std::streambuf use std::char_traits::to_int_type, to -// ensure that std::char_traits::eof() and the character 0xFF do not -// end up as the same value, eg. 0xFFFFFFFF. -std::char_traits::int_type get_character() -{ -auto res = sb->sbumpc(); -// set eof manually, as we don't use the istream interface. -if (JSON_HEDLEY_UNLIKELY(res == EOF)) -{ -is->clear(is->rdstate() | std::ios::eofbit); -} -return res; -} - -private: -/// the associated input stream -std::istream* is = nullptr; -std::streambuf* sb = nullptr; -}; - -// General-purpose iterator-based adapter. It might not be as fast as -// theoretically possible for some containers, but it is extremely versatile. -template -class iterator_input_adapter -{ -public: -using char_type = typename std::iterator_traits::value_type; - -iterator_input_adapter(IteratorType first, IteratorType last) -: current(std::move(first)), end(std::move(last)) {} - -typename std::char_traits::int_type get_character() -{ -if (JSON_HEDLEY_LIKELY(current != end)) -{ -auto result = std::char_traits::to_int_type(*current); -std::advance(current, 1); -return result; -} -else -{ -return std::char_traits::eof(); -} -} - -private: -IteratorType current; -IteratorType end; - -template -friend struct wide_string_input_helper; - -bool empty() const -{ -return current == end; -} - -}; - - -template -struct wide_string_input_helper; - -template -struct wide_string_input_helper -{ -// UTF-32 -static void fill_buffer(BaseInputAdapter& input, -std::array::int_type, 4>& utf8_bytes, -size_t& utf8_bytes_index, -size_t& utf8_bytes_filled) -{ -utf8_bytes_index = 0; - -if (JSON_HEDLEY_UNLIKELY(input.empty())) -{ -utf8_bytes[0] = std::char_traits::eof(); -utf8_bytes_filled = 1; -} -else -{ -// get the current character -const auto wc = input.get_character(); - -// UTF-32 to UTF-8 encoding -if (wc < 0x80) -{ -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -else if (wc <= 0x7FF) -{ -utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u) & 0x1Fu)); -utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 2; -} -else if (wc <= 0xFFFF) -{ -utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u) & 0x0Fu)); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 3; -} -else if (wc <= 0x10FFFF) -{ -utf8_bytes[0] = static_cast::int_type>(0xF0u | ((static_cast(wc) >> 18u) & 0x07u)); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 12u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); -utf8_bytes[3] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 4; -} -else -{ -// unknown character -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -} -} -}; - -template -struct wide_string_input_helper -{ -// UTF-16 -static void fill_buffer(BaseInputAdapter& input, -std::array::int_type, 4>& utf8_bytes, -size_t& utf8_bytes_index, -size_t& utf8_bytes_filled) -{ -utf8_bytes_index = 0; - -if (JSON_HEDLEY_UNLIKELY(input.empty())) -{ -utf8_bytes[0] = std::char_traits::eof(); -utf8_bytes_filled = 1; -} -else -{ -// get the current character -const auto wc = input.get_character(); - -// UTF-16 to UTF-8 encoding -if (wc < 0x80) -{ -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -else if (wc <= 0x7FF) -{ -utf8_bytes[0] = static_cast::int_type>(0xC0u | ((static_cast(wc) >> 6u))); -utf8_bytes[1] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 2; -} -else if (0xD800 > wc || wc >= 0xE000) -{ -utf8_bytes[0] = static_cast::int_type>(0xE0u | ((static_cast(wc) >> 12u))); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((static_cast(wc) >> 6u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | (static_cast(wc) & 0x3Fu)); -utf8_bytes_filled = 3; -} -else -{ -if (JSON_HEDLEY_UNLIKELY(!input.empty())) -{ -const auto wc2 = static_cast(input.get_character()); -const auto charcode = 0x10000u + (((static_cast(wc) & 0x3FFu) << 10u) | (wc2 & 0x3FFu)); -utf8_bytes[0] = static_cast::int_type>(0xF0u | (charcode >> 18u)); -utf8_bytes[1] = static_cast::int_type>(0x80u | ((charcode >> 12u) & 0x3Fu)); -utf8_bytes[2] = static_cast::int_type>(0x80u | ((charcode >> 6u) & 0x3Fu)); -utf8_bytes[3] = static_cast::int_type>(0x80u | (charcode & 0x3Fu)); -utf8_bytes_filled = 4; -} -else -{ -utf8_bytes[0] = static_cast::int_type>(wc); -utf8_bytes_filled = 1; -} -} -} -} -}; - -// Wraps another input apdater to convert wide character types into individual bytes. -template -class wide_string_input_adapter -{ -public: -using char_type = char; - -wide_string_input_adapter(BaseInputAdapter base) -: base_adapter(base) {} - -typename std::char_traits::int_type get_character() noexcept -{ -// check if buffer needs to be filled -if (utf8_bytes_index == utf8_bytes_filled) -{ -fill_buffer(); - -JSON_ASSERT(utf8_bytes_filled > 0); -JSON_ASSERT(utf8_bytes_index == 0); -} - -// use buffer -JSON_ASSERT(utf8_bytes_filled > 0); -JSON_ASSERT(utf8_bytes_index < utf8_bytes_filled); -return utf8_bytes[utf8_bytes_index++]; -} - -private: -BaseInputAdapter base_adapter; - -template -void fill_buffer() -{ -wide_string_input_helper::fill_buffer(base_adapter, utf8_bytes, utf8_bytes_index, utf8_bytes_filled); -} - -/// a buffer for UTF-8 bytes -std::array::int_type, 4> utf8_bytes = {{0, 0, 0, 0}}; - -/// index to the utf8_codes array for the next valid byte -std::size_t utf8_bytes_index = 0; -/// number of valid bytes in the utf8_codes array -std::size_t utf8_bytes_filled = 0; -}; - - -template -struct iterator_input_adapter_factory -{ -using iterator_type = IteratorType; -using char_type = typename std::iterator_traits::value_type; -using adapter_type = iterator_input_adapter; - -static adapter_type create(IteratorType first, IteratorType last) -{ -return adapter_type(std::move(first), std::move(last)); -} -}; - -template -struct is_iterator_of_multibyte -{ -using value_type = typename std::iterator_traits::value_type; -enum -{ -value = sizeof(value_type) > 1 -}; -}; - -template -struct iterator_input_adapter_factory::value>> -{ -using iterator_type = IteratorType; -using char_type = typename std::iterator_traits::value_type; -using base_adapter_type = iterator_input_adapter; -using adapter_type = wide_string_input_adapter; - -static adapter_type create(IteratorType first, IteratorType last) -{ -return adapter_type(base_adapter_type(std::move(first), std::move(last))); -} -}; - -// General purpose iterator-based input -template -typename iterator_input_adapter_factory::adapter_type input_adapter(IteratorType first, IteratorType last) -{ -using factory_type = iterator_input_adapter_factory; -return factory_type::create(first, last); -} - -// Convenience shorthand from container to iterator -template -auto input_adapter(const ContainerType& container) -> decltype(input_adapter(begin(container), end(container))) -{ -// Enable ADL -using std::begin; -using std::end; - -return input_adapter(begin(container), end(container)); -} - -// Special cases with fast paths -inline file_input_adapter input_adapter(std::FILE* file) -{ -return file_input_adapter(file); -} - -inline input_stream_adapter input_adapter(std::istream& stream) -{ -return input_stream_adapter(stream); -} - -inline input_stream_adapter input_adapter(std::istream&& stream) -{ -return input_stream_adapter(stream); -} - -using contiguous_bytes_input_adapter = decltype(input_adapter(std::declval(), std::declval())); - -// Null-delimited strings, and the like. -template < typename CharT, -typename std::enable_if < -std::is_pointer::value&& -!std::is_array::value&& -std::is_integral::type>::value&& -sizeof(typename std::remove_pointer::type) == 1, -int >::type = 0 > -contiguous_bytes_input_adapter input_adapter(CharT b) -{ -auto length = std::strlen(reinterpret_cast(b)); -const auto* ptr = reinterpret_cast(b); -return input_adapter(ptr, ptr + length); -} - -template -auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N)) -{ -return input_adapter(array, array + N); -} - -// This class only handles inputs of input_buffer_adapter type. -// It's required so that expressions like {ptr, len} can be implicitely casted -// to the correct adapter. -class span_input_adapter -{ -public: -template < typename CharT, -typename std::enable_if < -std::is_pointer::value&& -std::is_integral::type>::value&& -sizeof(typename std::remove_pointer::type) == 1, -int >::type = 0 > -span_input_adapter(CharT b, std::size_t l) -: ia(reinterpret_cast(b), reinterpret_cast(b) + l) {} - -template::iterator_category, std::random_access_iterator_tag>::value, -int>::type = 0> -span_input_adapter(IteratorType first, IteratorType last) -: ia(input_adapter(first, last)) {} - -contiguous_bytes_input_adapter&& get() -{ -return std::move(ia); -} - -private: -contiguous_bytes_input_adapter ia; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include -#include // string -#include // move -#include // vector - -// #include - -// #include - - -namespace nlohmann -{ - -/*! -@brief SAX interface - -This class describes the SAX interface used by @ref nlohmann::json::sax_parse. -Each function is called in different situations while the input is parsed. The -boolean return value informs the parser whether to continue processing the -input. -*/ -template -struct json_sax -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; - -/*! - @brief a null value was read - @return whether parsing should proceed - */ -virtual bool null() = 0; - -/*! - @brief a boolean value was read - @param[in] val boolean value - @return whether parsing should proceed - */ -virtual bool boolean(bool val) = 0; - -/*! - @brief an integer number was read - @param[in] val integer value - @return whether parsing should proceed - */ -virtual bool number_integer(number_integer_t val) = 0; - -/*! - @brief an unsigned integer number was read - @param[in] val unsigned integer value - @return whether parsing should proceed - */ -virtual bool number_unsigned(number_unsigned_t val) = 0; - -/*! - @brief an floating-point number was read - @param[in] val floating-point value - @param[in] s raw token value - @return whether parsing should proceed - */ -virtual bool number_float(number_float_t val, const string_t& s) = 0; - -/*! - @brief a string was read - @param[in] val string value - @return whether parsing should proceed - @note It is safe to move the passed string. - */ -virtual bool string(string_t& val) = 0; - -/*! - @brief a binary string was read - @param[in] val binary value - @return whether parsing should proceed - @note It is safe to move the passed binary. - */ -virtual bool binary(binary_t& val) = 0; - -/*! - @brief the beginning of an object was read - @param[in] elements number of object elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ -virtual bool start_object(std::size_t elements) = 0; - -/*! - @brief an object key was read - @param[in] val object key - @return whether parsing should proceed - @note It is safe to move the passed string. - */ -virtual bool key(string_t& val) = 0; - -/*! - @brief the end of an object was read - @return whether parsing should proceed - */ -virtual bool end_object() = 0; - -/*! - @brief the beginning of an array was read - @param[in] elements number of array elements or -1 if unknown - @return whether parsing should proceed - @note binary formats may report the number of elements - */ -virtual bool start_array(std::size_t elements) = 0; - -/*! - @brief the end of an array was read - @return whether parsing should proceed - */ -virtual bool end_array() = 0; - -/*! - @brief a parse error occurred - @param[in] position the position in the input where the error occurs - @param[in] last_token the last read token - @param[in] ex an exception object describing the error - @return whether parsing should proceed (must return false) - */ -virtual bool parse_error(std::size_t position, -const std::string& last_token, -const detail::exception& ex) = 0; - -virtual ~json_sax() = default; -}; - - -namespace detail -{ -/*! -@brief SAX implementation to create a JSON value from SAX events - -This class implements the @ref json_sax interface and processes the SAX events -to create a JSON value which makes it basically a DOM parser. The structure or -hierarchy of the JSON value is managed by the stack `ref_stack` which contains -a pointer to the respective array or object for each recursion depth. - -After successful parsing, the value that is passed by reference to the -constructor contains the parsed value. - -@tparam BasicJsonType the JSON type -*/ -template -class json_sax_dom_parser -{ -public: -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; - -/*! - @param[in, out] r reference to a JSON value that is manipulated while - parsing - @param[in] allow_exceptions_ whether parse errors yield exceptions - */ -explicit json_sax_dom_parser(BasicJsonType& r, const bool allow_exceptions_ = true) -: root(r), allow_exceptions(allow_exceptions_) -{} - -// make class move-only -json_sax_dom_parser(const json_sax_dom_parser&) = delete; -json_sax_dom_parser(json_sax_dom_parser&&) = default; -json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete; -json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; -~json_sax_dom_parser() = default; - -bool null() -{ -handle_value(nullptr); -return true; -} - -bool boolean(bool val) -{ -handle_value(val); -return true; -} - -bool number_integer(number_integer_t val) -{ -handle_value(val); -return true; -} - -bool number_unsigned(number_unsigned_t val) -{ -handle_value(val); -return true; -} - -bool number_float(number_float_t val, const string_t& /*unused*/) -{ -handle_value(val); -return true; -} - -bool string(string_t& val) -{ -handle_value(val); -return true; -} - -bool binary(binary_t& val) -{ -handle_value(std::move(val)); -return true; -} - -bool start_object(std::size_t len) -{ -ref_stack.push_back(handle_value(BasicJsonType::value_t::object)); - -if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, -"excessive object size: " + std::to_string(len))); -} - -return true; -} - -bool key(string_t& val) -{ -// add null at given key and store the reference for later -object_element = &(ref_stack.back()->m_value.object->operator[](val)); -return true; -} - -bool end_object() -{ -ref_stack.pop_back(); -return true; -} - -bool start_array(std::size_t len) -{ -ref_stack.push_back(handle_value(BasicJsonType::value_t::array)); - -if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, -"excessive array size: " + std::to_string(len))); -} - -return true; -} - -bool end_array() -{ -ref_stack.pop_back(); -return true; -} - -template -bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, -const Exception& ex) -{ -errored = true; -static_cast(ex); -if (allow_exceptions) -{ -JSON_THROW(ex); -} -return false; -} - -constexpr bool is_errored() const -{ -return errored; -} - -private: -/*! - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - */ -template -JSON_HEDLEY_RETURNS_NON_NULL -BasicJsonType* handle_value(Value&& v) -{ -if (ref_stack.empty()) -{ -root = BasicJsonType(std::forward(v)); -return &root; -} - -JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - -if (ref_stack.back()->is_array()) -{ -ref_stack.back()->m_value.array->emplace_back(std::forward(v)); -return &(ref_stack.back()->m_value.array->back()); -} - -JSON_ASSERT(ref_stack.back()->is_object()); -JSON_ASSERT(object_element); -*object_element = BasicJsonType(std::forward(v)); -return object_element; -} - -/// the parsed JSON value -BasicJsonType& root; -/// stack to model hierarchy of values -std::vector ref_stack {}; -/// helper to hold the reference for the next object element -BasicJsonType* object_element = nullptr; -/// whether a syntax error occurred -bool errored = false; -/// whether to throw exceptions in case of errors -const bool allow_exceptions = true; -}; - -template -class json_sax_dom_callback_parser -{ -public: -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using parser_callback_t = typename BasicJsonType::parser_callback_t; -using parse_event_t = typename BasicJsonType::parse_event_t; - -json_sax_dom_callback_parser(BasicJsonType& r, -const parser_callback_t cb, -const bool allow_exceptions_ = true) -: root(r), callback(cb), allow_exceptions(allow_exceptions_) -{ -keep_stack.push_back(true); -} - -// make class move-only -json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete; -json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; -json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete; -json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; -~json_sax_dom_callback_parser() = default; - -bool null() -{ -handle_value(nullptr); -return true; -} - -bool boolean(bool val) -{ -handle_value(val); -return true; -} - -bool number_integer(number_integer_t val) -{ -handle_value(val); -return true; -} - -bool number_unsigned(number_unsigned_t val) -{ -handle_value(val); -return true; -} - -bool number_float(number_float_t val, const string_t& /*unused*/) -{ -handle_value(val); -return true; -} - -bool string(string_t& val) -{ -handle_value(val); -return true; -} - -bool binary(binary_t& val) -{ -handle_value(std::move(val)); -return true; -} - -bool start_object(std::size_t len) -{ -// check callback for object start -const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::object_start, discarded); -keep_stack.push_back(keep); - -auto val = handle_value(BasicJsonType::value_t::object, true); -ref_stack.push_back(val.second); - -// check object limit -if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len))); -} - -return true; -} - -bool key(string_t& val) -{ -BasicJsonType k = BasicJsonType(val); - -// check callback for key -const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::key, k); -key_keep_stack.push_back(keep); - -// add discarded value at given key and store the reference for later -if (keep && ref_stack.back()) -{ -object_element = &(ref_stack.back()->m_value.object->operator[](val) = discarded); -} - -return true; -} - -bool end_object() -{ -if (ref_stack.back() && !callback(static_cast(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back())) -{ -// discard object -*ref_stack.back() = discarded; -} - -JSON_ASSERT(!ref_stack.empty()); -JSON_ASSERT(!keep_stack.empty()); -ref_stack.pop_back(); -keep_stack.pop_back(); - -if (!ref_stack.empty() && ref_stack.back() && ref_stack.back()->is_structured()) -{ -// remove discarded value -for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it) -{ -if (it->is_discarded()) -{ -ref_stack.back()->erase(it); -break; -} -} -} - -return true; -} - -bool start_array(std::size_t len) -{ -const bool keep = callback(static_cast(ref_stack.size()), parse_event_t::array_start, discarded); -keep_stack.push_back(keep); - -auto val = handle_value(BasicJsonType::value_t::array, true); -ref_stack.push_back(val.second); - -// check array limit -if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size())) -{ -JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len))); -} - -return true; -} - -bool end_array() -{ -bool keep = true; - -if (ref_stack.back()) -{ -keep = callback(static_cast(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back()); -if (!keep) -{ -// discard array -*ref_stack.back() = discarded; -} -} - -JSON_ASSERT(!ref_stack.empty()); -JSON_ASSERT(!keep_stack.empty()); -ref_stack.pop_back(); -keep_stack.pop_back(); - -// remove discarded value -if (!keep && !ref_stack.empty() && ref_stack.back()->is_array()) -{ -ref_stack.back()->m_value.array->pop_back(); -} - -return true; -} - -template -bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, -const Exception& ex) -{ -errored = true; -static_cast(ex); -if (allow_exceptions) -{ -JSON_THROW(ex); -} -return false; -} - -constexpr bool is_errored() const -{ -return errored; -} - -private: -/*! - @param[in] v value to add to the JSON value we build during parsing - @param[in] skip_callback whether we should skip calling the callback - function; this is required after start_array() and - start_object() SAX events, because otherwise we would call the - callback function with an empty array or object, respectively. - - @invariant If the ref stack is empty, then the passed value will be the new - root. - @invariant If the ref stack contains a value, then it is an array or an - object to which we can add elements - - @return pair of boolean (whether value should be kept) and pointer (to the - passed value in the ref_stack hierarchy; nullptr if not kept) - */ -template -std::pair handle_value(Value&& v, const bool skip_callback = false) -{ -JSON_ASSERT(!keep_stack.empty()); - -// do not handle this value if we know it would be added to a discarded -// container -if (!keep_stack.back()) -{ -return {false, nullptr}; -} - -// create value -auto value = BasicJsonType(std::forward(v)); - -// check callback -const bool keep = skip_callback || callback(static_cast(ref_stack.size()), parse_event_t::value, value); - -// do not handle this value if we just learnt it shall be discarded -if (!keep) -{ -return {false, nullptr}; -} - -if (ref_stack.empty()) -{ -root = std::move(value); -return {true, &root}; -} - -// skip this value if we already decided to skip the parent -// (https://github.com/nlohmann/json/issues/971#issuecomment-413678360) -if (!ref_stack.back()) -{ -return {false, nullptr}; -} - -// we now only expect arrays and objects -JSON_ASSERT(ref_stack.back()->is_array() || ref_stack.back()->is_object()); - -// array -if (ref_stack.back()->is_array()) -{ -ref_stack.back()->m_value.array->push_back(std::move(value)); -return {true, &(ref_stack.back()->m_value.array->back())}; -} - -// object -JSON_ASSERT(ref_stack.back()->is_object()); -// check if we should store an element for the current key -JSON_ASSERT(!key_keep_stack.empty()); -const bool store_element = key_keep_stack.back(); -key_keep_stack.pop_back(); - -if (!store_element) -{ -return {false, nullptr}; -} - -JSON_ASSERT(object_element); -*object_element = std::move(value); -return {true, object_element}; -} - -/// the parsed JSON value -BasicJsonType& root; -/// stack to model hierarchy of values -std::vector ref_stack {}; -/// stack to manage which values to keep -std::vector keep_stack {}; -/// stack to manage which object keys to keep -std::vector key_keep_stack {}; -/// helper to hold the reference for the next object element -BasicJsonType* object_element = nullptr; -/// whether a syntax error occurred -bool errored = false; -/// callback function -const parser_callback_t callback = nullptr; -/// whether to throw exceptions in case of errors -const bool allow_exceptions = true; -/// a discarded value for the callback -BasicJsonType discarded = BasicJsonType::value_t::discarded; -}; - -template -class json_sax_acceptor -{ -public: -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; - -bool null() -{ -return true; -} - -bool boolean(bool /*unused*/) -{ -return true; -} - -bool number_integer(number_integer_t /*unused*/) -{ -return true; -} - -bool number_unsigned(number_unsigned_t /*unused*/) -{ -return true; -} - -bool number_float(number_float_t /*unused*/, const string_t& /*unused*/) -{ -return true; -} - -bool string(string_t& /*unused*/) -{ -return true; -} - -bool binary(binary_t& /*unused*/) -{ -return true; -} - -bool start_object(std::size_t /*unused*/ = std::size_t(-1)) -{ -return true; -} - -bool key(string_t& /*unused*/) -{ -return true; -} - -bool end_object() -{ -return true; -} - -bool start_array(std::size_t /*unused*/ = std::size_t(-1)) -{ -return true; -} - -bool end_array() -{ -return true; -} - -bool parse_error(std::size_t /*unused*/, const std::string& /*unused*/, const detail::exception& /*unused*/) -{ -return false; -} -}; -} // namespace detail - -} // namespace nlohmann - -// #include - - -#include // array -#include // localeconv -#include // size_t -#include // snprintf -#include // strtof, strtod, strtold, strtoll, strtoull -#include // initializer_list -#include // char_traits, string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////// -// lexer // -/////////// - -template -class lexer_base -{ -public: -/// token types for the parser -enum class token_type -{ -uninitialized, ///< indicating the scanner is uninitialized -literal_true, ///< the `true` literal -literal_false, ///< the `false` literal -literal_null, ///< the `null` literal -value_string, ///< a string -- use get_string() for actual value -value_unsigned, ///< an unsigned integer -- use get_number_unsigned() for actual value -value_integer, ///< a signed integer -- use get_number_integer() for actual value -value_float, ///< an floating point number -- use get_number_float() for actual value -begin_array, ///< the character for array begin `[` -begin_object, ///< the character for object begin `{` -end_array, ///< the character for array end `]` -end_object, ///< the character for object end `}` -name_separator, ///< the name separator `:` -value_separator, ///< the value separator `,` -parse_error, ///< indicating a parse error -end_of_input, ///< indicating the end of the input buffer -literal_or_value ///< a literal or the begin of a value (only for diagnostics) -}; - -/// return name of values of type token_type (only used for errors) -JSON_HEDLEY_RETURNS_NON_NULL -JSON_HEDLEY_CONST -static const char* token_type_name(const token_type t) noexcept -{ -switch (t) -{ -case token_type::uninitialized: -return ""; -case token_type::literal_true: -return "true literal"; -case token_type::literal_false: -return "false literal"; -case token_type::literal_null: -return "null literal"; -case token_type::value_string: -return "string literal"; -case token_type::value_unsigned: -case token_type::value_integer: -case token_type::value_float: -return "number literal"; -case token_type::begin_array: -return "'['"; -case token_type::begin_object: -return "'{'"; -case token_type::end_array: -return "']'"; -case token_type::end_object: -return "'}'"; -case token_type::name_separator: -return "':'"; -case token_type::value_separator: -return "','"; -case token_type::parse_error: -return ""; -case token_type::end_of_input: -return "end of input"; -case token_type::literal_or_value: -return "'[', '{', or a literal"; -// LCOV_EXCL_START -default: // catch non-enum values -return "unknown token"; -// LCOV_EXCL_STOP -} -} -}; -/*! -@brief lexical analysis - -This class organizes the lexical analysis during JSON deserialization. -*/ -template -class lexer : public lexer_base -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using char_type = typename InputAdapterType::char_type; -using char_int_type = typename std::char_traits::int_type; - -public: -using token_type = typename lexer_base::token_type; - -explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) -: ia(std::move(adapter)) -, ignore_comments(ignore_comments_) -, decimal_point_char(static_cast(get_decimal_point())) -{} - -// delete because of pointer members -lexer(const lexer&) = delete; -lexer(lexer&&) = default; -lexer& operator=(lexer&) = delete; -lexer& operator=(lexer&&) = default; -~lexer() = default; - -private: -///////////////////// -// locales -///////////////////// - -/// return the locale-dependent decimal point -JSON_HEDLEY_PURE -static char get_decimal_point() noexcept -{ -const auto* loc = localeconv(); -JSON_ASSERT(loc != nullptr); -return (loc->decimal_point == nullptr) ? '.' : *(loc->decimal_point); -} - -///////////////////// -// scan functions -///////////////////// - -/*! - @brief get codepoint from 4 hex characters following `\u` - - For input "\u c1 c2 c3 c4" the codepoint is: - (c1 * 0x1000) + (c2 * 0x0100) + (c3 * 0x0010) + c4 - = (c1 << 12) + (c2 << 8) + (c3 << 4) + (c4 << 0) - - Furthermore, the possible characters '0'..'9', 'A'..'F', and 'a'..'f' - must be converted to the integers 0x0..0x9, 0xA..0xF, 0xA..0xF, resp. The - conversion is done by subtracting the offset (0x30, 0x37, and 0x57) - between the ASCII value of the character and the desired integer value. - - @return codepoint (0x0000..0xFFFF) or -1 in case of an error (e.g. EOF or - non-hex character) - */ -int get_codepoint() -{ -// this function only makes sense after reading `\u` -JSON_ASSERT(current == 'u'); -int codepoint = 0; - -const auto factors = { 12u, 8u, 4u, 0u }; -for (const auto factor : factors) -{ -get(); - -if (current >= '0' && current <= '9') -{ -codepoint += static_cast((static_cast(current) - 0x30u) << factor); -} -else if (current >= 'A' && current <= 'F') -{ -codepoint += static_cast((static_cast(current) - 0x37u) << factor); -} -else if (current >= 'a' && current <= 'f') -{ -codepoint += static_cast((static_cast(current) - 0x57u) << factor); -} -else -{ -return -1; -} -} - -JSON_ASSERT(0x0000 <= codepoint && codepoint <= 0xFFFF); -return codepoint; -} - -/*! - @brief check if the next byte(s) are inside a given range - - Adds the current byte and, for each passed range, reads a new byte and - checks if it is inside the range. If a violation was detected, set up an - error message and return false. Otherwise, return true. - - @param[in] ranges list of integers; interpreted as list of pairs of - inclusive lower and upper bound, respectively - - @pre The passed list @a ranges must have 2, 4, or 6 elements; that is, - 1, 2, or 3 pairs. This precondition is enforced by an assertion. - - @return true if and only if no range violation was detected - */ -bool next_byte_in_range(std::initializer_list ranges) -{ -JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6); -add(current); - -for (auto range = ranges.begin(); range != ranges.end(); ++range) -{ -get(); -if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range))) -{ -add(current); -} -else -{ -error_message = "invalid string: ill-formed UTF-8 byte"; -return false; -} -} - -return true; -} - -/*! - @brief scan a string literal - - This function scans a string according to Sect. 7 of RFC 7159. While - scanning, bytes are escaped and copied into buffer token_buffer. Then the - function returns successfully, token_buffer is *not* null-terminated (as it - may contain \0 bytes), and token_buffer.size() is the number of bytes in the - string. - - @return token_type::value_string if string could be successfully scanned, - token_type::parse_error otherwise - - @note In case of errors, variable error_message contains a textual - description. - */ -token_type scan_string() -{ -// reset token_buffer (ignore opening quote) -reset(); - -// we entered the function by reading an open quote -JSON_ASSERT(current == '\"'); - -while (true) -{ -// get next character -switch (get()) -{ -// end of file while parsing string -case std::char_traits::eof(): -{ -error_message = "invalid string: missing closing quote"; -return token_type::parse_error; -} - -// closing quote -case '\"': -{ -return token_type::value_string; -} - -// escapes -case '\\': -{ -switch (get()) -{ -// quotation mark -case '\"': -add('\"'); -break; -// reverse solidus -case '\\': -add('\\'); -break; -// solidus -case '/': -add('/'); -break; -// backspace -case 'b': -add('\b'); -break; -// form feed -case 'f': -add('\f'); -break; -// line feed -case 'n': -add('\n'); -break; -// carriage return -case 'r': -add('\r'); -break; -// tab -case 't': -add('\t'); -break; - -// unicode escapes -case 'u': -{ -const int codepoint1 = get_codepoint(); -int codepoint = codepoint1; // start with codepoint1 - -if (JSON_HEDLEY_UNLIKELY(codepoint1 == -1)) -{ -error_message = "invalid string: '\\u' must be followed by 4 hex digits"; -return token_type::parse_error; -} - -// check if code point is a high surrogate -if (0xD800 <= codepoint1 && codepoint1 <= 0xDBFF) -{ -// expect next \uxxxx entry -if (JSON_HEDLEY_LIKELY(get() == '\\' && get() == 'u')) -{ -const int codepoint2 = get_codepoint(); - -if (JSON_HEDLEY_UNLIKELY(codepoint2 == -1)) -{ -error_message = "invalid string: '\\u' must be followed by 4 hex digits"; -return token_type::parse_error; -} - -// check if codepoint2 is a low surrogate -if (JSON_HEDLEY_LIKELY(0xDC00 <= codepoint2 && codepoint2 <= 0xDFFF)) -{ -// overwrite codepoint -codepoint = static_cast( -// high surrogate occupies the most significant 22 bits -(static_cast(codepoint1) << 10u) -// low surrogate occupies the least significant 15 bits -+ static_cast(codepoint2) -// there is still the 0xD800, 0xDC00 and 0x10000 noise -// in the result so we have to subtract with: -// (0xD800 << 10) + DC00 - 0x10000 = 0x35FDC00 -- 0x35FDC00u); -} -else -{ -error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; -return token_type::parse_error; -} -} -else -{ -error_message = "invalid string: surrogate U+D800..U+DBFF must be followed by U+DC00..U+DFFF"; -return token_type::parse_error; -} -} -else -{ -if (JSON_HEDLEY_UNLIKELY(0xDC00 <= codepoint1 && codepoint1 <= 0xDFFF)) -{ -error_message = "invalid string: surrogate U+DC00..U+DFFF must follow U+D800..U+DBFF"; -return token_type::parse_error; -} -} - -// result of the above calculation yields a proper codepoint -JSON_ASSERT(0x00 <= codepoint && codepoint <= 0x10FFFF); - -// translate codepoint into bytes -if (codepoint < 0x80) -{ -// 1-byte characters: 0xxxxxxx (ASCII) -add(static_cast(codepoint)); -} -else if (codepoint <= 0x7FF) -{ -// 2-byte characters: 110xxxxx 10xxxxxx -add(static_cast(0xC0u | (static_cast(codepoint) >> 6u))); -add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); -} -else if (codepoint <= 0xFFFF) -{ -// 3-byte characters: 1110xxxx 10xxxxxx 10xxxxxx -add(static_cast(0xE0u | (static_cast(codepoint) >> 12u))); -add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); -add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); -} -else -{ -// 4-byte characters: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx -add(static_cast(0xF0u | (static_cast(codepoint) >> 18u))); -add(static_cast(0x80u | ((static_cast(codepoint) >> 12u) & 0x3Fu))); -add(static_cast(0x80u | ((static_cast(codepoint) >> 6u) & 0x3Fu))); -add(static_cast(0x80u | (static_cast(codepoint) & 0x3Fu))); -} - -break; -} - -// other characters after escape -default: -error_message = "invalid string: forbidden character after backslash"; -return token_type::parse_error; -} - -break; -} - -// invalid control characters -case 0x00: -{ -error_message = "invalid string: control character U+0000 (NUL) must be escaped to \\u0000"; -return token_type::parse_error; -} - -case 0x01: -{ -error_message = "invalid string: control character U+0001 (SOH) must be escaped to \\u0001"; -return token_type::parse_error; -} - -case 0x02: -{ -error_message = "invalid string: control character U+0002 (STX) must be escaped to \\u0002"; -return token_type::parse_error; -} - -case 0x03: -{ -error_message = "invalid string: control character U+0003 (ETX) must be escaped to \\u0003"; -return token_type::parse_error; -} - -case 0x04: -{ -error_message = "invalid string: control character U+0004 (EOT) must be escaped to \\u0004"; -return token_type::parse_error; -} - -case 0x05: -{ -error_message = "invalid string: control character U+0005 (ENQ) must be escaped to \\u0005"; -return token_type::parse_error; -} - -case 0x06: -{ -error_message = "invalid string: control character U+0006 (ACK) must be escaped to \\u0006"; -return token_type::parse_error; -} - -case 0x07: -{ -error_message = "invalid string: control character U+0007 (BEL) must be escaped to \\u0007"; -return token_type::parse_error; -} - -case 0x08: -{ -error_message = "invalid string: control character U+0008 (BS) must be escaped to \\u0008 or \\b"; -return token_type::parse_error; -} - -case 0x09: -{ -error_message = "invalid string: control character U+0009 (HT) must be escaped to \\u0009 or \\t"; -return token_type::parse_error; -} - -case 0x0A: -{ -error_message = "invalid string: control character U+000A (LF) must be escaped to \\u000A or \\n"; -return token_type::parse_error; -} - -case 0x0B: -{ -error_message = "invalid string: control character U+000B (VT) must be escaped to \\u000B"; -return token_type::parse_error; -} - -case 0x0C: -{ -error_message = "invalid string: control character U+000C (FF) must be escaped to \\u000C or \\f"; -return token_type::parse_error; -} - -case 0x0D: -{ -error_message = "invalid string: control character U+000D (CR) must be escaped to \\u000D or \\r"; -return token_type::parse_error; -} - -case 0x0E: -{ -error_message = "invalid string: control character U+000E (SO) must be escaped to \\u000E"; -return token_type::parse_error; -} - -case 0x0F: -{ -error_message = "invalid string: control character U+000F (SI) must be escaped to \\u000F"; -return token_type::parse_error; -} - -case 0x10: -{ -error_message = "invalid string: control character U+0010 (DLE) must be escaped to \\u0010"; -return token_type::parse_error; -} - -case 0x11: -{ -error_message = "invalid string: control character U+0011 (DC1) must be escaped to \\u0011"; -return token_type::parse_error; -} - -case 0x12: -{ -error_message = "invalid string: control character U+0012 (DC2) must be escaped to \\u0012"; -return token_type::parse_error; -} - -case 0x13: -{ -error_message = "invalid string: control character U+0013 (DC3) must be escaped to \\u0013"; -return token_type::parse_error; -} - -case 0x14: -{ -error_message = "invalid string: control character U+0014 (DC4) must be escaped to \\u0014"; -return token_type::parse_error; -} - -case 0x15: -{ -error_message = "invalid string: control character U+0015 (NAK) must be escaped to \\u0015"; -return token_type::parse_error; -} - -case 0x16: -{ -error_message = "invalid string: control character U+0016 (SYN) must be escaped to \\u0016"; -return token_type::parse_error; -} - -case 0x17: -{ -error_message = "invalid string: control character U+0017 (ETB) must be escaped to \\u0017"; -return token_type::parse_error; -} - -case 0x18: -{ -error_message = "invalid string: control character U+0018 (CAN) must be escaped to \\u0018"; -return token_type::parse_error; -} - -case 0x19: -{ -error_message = "invalid string: control character U+0019 (EM) must be escaped to \\u0019"; -return token_type::parse_error; -} - -case 0x1A: -{ -error_message = "invalid string: control character U+001A (SUB) must be escaped to \\u001A"; -return token_type::parse_error; -} - -case 0x1B: -{ -error_message = "invalid string: control character U+001B (ESC) must be escaped to \\u001B"; -return token_type::parse_error; -} - -case 0x1C: -{ -error_message = "invalid string: control character U+001C (FS) must be escaped to \\u001C"; -return token_type::parse_error; -} - -case 0x1D: -{ -error_message = "invalid string: control character U+001D (GS) must be escaped to \\u001D"; -return token_type::parse_error; -} - -case 0x1E: -{ -error_message = "invalid string: control character U+001E (RS) must be escaped to \\u001E"; -return token_type::parse_error; -} - -case 0x1F: -{ -error_message = "invalid string: control character U+001F (US) must be escaped to \\u001F"; -return token_type::parse_error; -} - -// U+0020..U+007F (except U+0022 (quote) and U+005C (backspace)) -case 0x20: -case 0x21: -case 0x23: -case 0x24: -case 0x25: -case 0x26: -case 0x27: -case 0x28: -case 0x29: -case 0x2A: -case 0x2B: -case 0x2C: -case 0x2D: -case 0x2E: -case 0x2F: -case 0x30: -case 0x31: -case 0x32: -case 0x33: -case 0x34: -case 0x35: -case 0x36: -case 0x37: -case 0x38: -case 0x39: -case 0x3A: -case 0x3B: -case 0x3C: -case 0x3D: -case 0x3E: -case 0x3F: -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -case 0x58: -case 0x59: -case 0x5A: -case 0x5B: -case 0x5D: -case 0x5E: -case 0x5F: -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -case 0x78: -case 0x79: -case 0x7A: -case 0x7B: -case 0x7C: -case 0x7D: -case 0x7E: -case 0x7F: -{ -add(current); -break; -} - -// U+0080..U+07FF: bytes C2..DF 80..BF -case 0xC2: -case 0xC3: -case 0xC4: -case 0xC5: -case 0xC6: -case 0xC7: -case 0xC8: -case 0xC9: -case 0xCA: -case 0xCB: -case 0xCC: -case 0xCD: -case 0xCE: -case 0xCF: -case 0xD0: -case 0xD1: -case 0xD2: -case 0xD3: -case 0xD4: -case 0xD5: -case 0xD6: -case 0xD7: -case 0xD8: -case 0xD9: -case 0xDA: -case 0xDB: -case 0xDC: -case 0xDD: -case 0xDE: -case 0xDF: -{ -if (JSON_HEDLEY_UNLIKELY(!next_byte_in_range({0x80, 0xBF}))) -{ -return token_type::parse_error; -} -break; -} - -// U+0800..U+0FFF: bytes E0 A0..BF 80..BF -case 0xE0: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0xA0, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+1000..U+CFFF: bytes E1..EC 80..BF 80..BF -// U+E000..U+FFFF: bytes EE..EF 80..BF 80..BF -case 0xE1: -case 0xE2: -case 0xE3: -case 0xE4: -case 0xE5: -case 0xE6: -case 0xE7: -case 0xE8: -case 0xE9: -case 0xEA: -case 0xEB: -case 0xEC: -case 0xEE: -case 0xEF: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+D000..U+D7FF: bytes ED 80..9F 80..BF -case 0xED: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x9F, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+10000..U+3FFFF F0 90..BF 80..BF 80..BF -case 0xF0: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x90, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+40000..U+FFFFF F1..F3 80..BF 80..BF 80..BF -case 0xF1: -case 0xF2: -case 0xF3: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0xBF, 0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// U+100000..U+10FFFF F4 80..8F 80..BF 80..BF -case 0xF4: -{ -if (JSON_HEDLEY_UNLIKELY(!(next_byte_in_range({0x80, 0x8F, 0x80, 0xBF, 0x80, 0xBF})))) -{ -return token_type::parse_error; -} -break; -} - -// remaining bytes (80..C1 and F5..FF) are ill-formed -default: -{ -error_message = "invalid string: ill-formed UTF-8 byte"; -return token_type::parse_error; -} -} -} -} - -/*! - * @brief scan a comment - * @return whether comment could be scanned successfully - */ -bool scan_comment() -{ -switch (get()) -{ -// single-line comments skip input until a newline or EOF is read -case '/': -{ -while (true) -{ -switch (get()) -{ -case '\n': -case '\r': -case std::char_traits::eof(): -case '\0': -return true; - -default: -break; -} -} -} - -// multi-line comments skip input until */ is read -case '*': -{ -while (true) -{ -switch (get()) -{ -case std::char_traits::eof(): -case '\0': -{ -error_message = "invalid comment; missing closing '*/'"; -return false; -} - -case '*': -{ -switch (get()) -{ -case '/': -return true; - -default: -{ -unget(); -continue; -} -} -} - -default: -continue; -} -} -} - -// unexpected character after reading '/' -default: -{ -error_message = "invalid comment; expecting '/' or '*' after '/'"; -return false; -} -} -} - -JSON_HEDLEY_NON_NULL(2) -static void strtof(float& f, const char* str, char** endptr) noexcept -{ -f = std::strtof(str, endptr); -} - -JSON_HEDLEY_NON_NULL(2) -static void strtof(double& f, const char* str, char** endptr) noexcept -{ -f = std::strtod(str, endptr); -} - -JSON_HEDLEY_NON_NULL(2) -static void strtof(long double& f, const char* str, char** endptr) noexcept -{ -f = std::strtold(str, endptr); -} - -/*! - @brief scan a number literal - - This function scans a string according to Sect. 6 of RFC 7159. - - The function is realized with a deterministic finite state machine derived - from the grammar described in RFC 7159. Starting in state "init", the - input is read and used to determined the next state. Only state "done" - accepts the number. State "error" is a trap state to model errors. In the - table below, "anything" means any character but the ones listed before. - - state | 0 | 1-9 | e E | + | - | . | anything - ---------|----------|----------|----------|---------|---------|----------|----------- - init | zero | any1 | [error] | [error] | minus | [error] | [error] - minus | zero | any1 | [error] | [error] | [error] | [error] | [error] - zero | done | done | exponent | done | done | decimal1 | done - any1 | any1 | any1 | exponent | done | done | decimal1 | done - decimal1 | decimal2 | decimal2 | [error] | [error] | [error] | [error] | [error] - decimal2 | decimal2 | decimal2 | exponent | done | done | done | done - exponent | any2 | any2 | [error] | sign | sign | [error] | [error] - sign | any2 | any2 | [error] | [error] | [error] | [error] | [error] - any2 | any2 | any2 | done | done | done | done | done - - The state machine is realized with one label per state (prefixed with - "scan_number_") and `goto` statements between them. The state machine - contains cycles, but any cycle can be left when EOF is read. Therefore, - the function is guaranteed to terminate. - - During scanning, the read bytes are stored in token_buffer. This string is - then converted to a signed integer, an unsigned integer, or a - floating-point number. - - @return token_type::value_unsigned, token_type::value_integer, or - token_type::value_float if number could be successfully scanned, - token_type::parse_error otherwise - - @note The scanner is independent of the current locale. Internally, the - locale's decimal point is used instead of `.` to work with the - locale-dependent converters. - */ -token_type scan_number() // lgtm [cpp/use-of-goto] -{ -// reset token_buffer to store the number's bytes -reset(); - -// the type of the parsed number; initially set to unsigned; will be -// changed if minus sign, decimal point or exponent is read -token_type number_type = token_type::value_unsigned; - -// state (init): we just found out we need to scan a number -switch (current) -{ -case '-': -{ -add(current); -goto scan_number_minus; -} - -case '0': -{ -add(current); -goto scan_number_zero; -} - -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any1; -} - -// all other characters are rejected outside scan_number() -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} - -scan_number_minus: -// state: we just parsed a leading minus sign -number_type = token_type::value_integer; -switch (get()) -{ -case '0': -{ -add(current); -goto scan_number_zero; -} - -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any1; -} - -default: -{ -error_message = "invalid number; expected digit after '-'"; -return token_type::parse_error; -} -} - -scan_number_zero: -// state: we just parse a zero (maybe with a leading minus sign) -switch (get()) -{ -case '.': -{ -add(decimal_point_char); -goto scan_number_decimal1; -} - -case 'e': -case 'E': -{ -add(current); -goto scan_number_exponent; -} - -default: -goto scan_number_done; -} - -scan_number_any1: -// state: we just parsed a number 0-9 (maybe with a leading minus sign) -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any1; -} - -case '.': -{ -add(decimal_point_char); -goto scan_number_decimal1; -} - -case 'e': -case 'E': -{ -add(current); -goto scan_number_exponent; -} - -default: -goto scan_number_done; -} - -scan_number_decimal1: -// state: we just parsed a decimal point -number_type = token_type::value_float; -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_decimal2; -} - -default: -{ -error_message = "invalid number; expected digit after '.'"; -return token_type::parse_error; -} -} - -scan_number_decimal2: -// we just parsed at least one number after a decimal point -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_decimal2; -} - -case 'e': -case 'E': -{ -add(current); -goto scan_number_exponent; -} - -default: -goto scan_number_done; -} - -scan_number_exponent: -// we just parsed an exponent -number_type = token_type::value_float; -switch (get()) -{ -case '+': -case '-': -{ -add(current); -goto scan_number_sign; -} - -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any2; -} - -default: -{ -error_message = -"invalid number; expected '+', '-', or digit after exponent"; -return token_type::parse_error; -} -} - -scan_number_sign: -// we just parsed an exponent sign -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any2; -} - -default: -{ -error_message = "invalid number; expected digit after exponent sign"; -return token_type::parse_error; -} -} - -scan_number_any2: -// we just parsed a number after the exponent or exponent sign -switch (get()) -{ -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -{ -add(current); -goto scan_number_any2; -} - -default: -goto scan_number_done; -} - -scan_number_done: -// unget the character after the number (we only read it to know that -// we are done scanning a number) -unget(); - -char* endptr = nullptr; -errno = 0; - -// try to parse integers first and fall back to floats -if (number_type == token_type::value_unsigned) -{ -const auto x = std::strtoull(token_buffer.data(), &endptr, 10); - -// we checked the number format before -JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - -if (errno == 0) -{ -value_unsigned = static_cast(x); -if (value_unsigned == x) -{ -return token_type::value_unsigned; -} -} -} -else if (number_type == token_type::value_integer) -{ -const auto x = std::strtoll(token_buffer.data(), &endptr, 10); - -// we checked the number format before -JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - -if (errno == 0) -{ -value_integer = static_cast(x); -if (value_integer == x) -{ -return token_type::value_integer; -} -} -} - -// this code is reached if we parse a floating-point number or if an -// integer conversion above failed -strtof(value_float, token_buffer.data(), &endptr); - -// we checked the number format before -JSON_ASSERT(endptr == token_buffer.data() + token_buffer.size()); - -return token_type::value_float; -} - -/*! - @param[in] literal_text the literal text to expect - @param[in] length the length of the passed literal text - @param[in] return_type the token type to return on success - */ -JSON_HEDLEY_NON_NULL(2) -token_type scan_literal(const char_type* literal_text, const std::size_t length, -token_type return_type) -{ -JSON_ASSERT(std::char_traits::to_char_type(current) == literal_text[0]); -for (std::size_t i = 1; i < length; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(std::char_traits::to_char_type(get()) != literal_text[i])) -{ -error_message = "invalid literal"; -return token_type::parse_error; -} -} -return return_type; -} - -///////////////////// -// input management -///////////////////// - -/// reset token_buffer; current character is beginning of token -void reset() noexcept -{ -token_buffer.clear(); -token_string.clear(); -token_string.push_back(std::char_traits::to_char_type(current)); -} - -/* - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a - `std::char_traits::eof()` in that case. Stores the scanned characters - for use in error messages. - - @return character read from the input - */ -char_int_type get() -{ -++position.chars_read_total; -++position.chars_read_current_line; - -if (next_unget) -{ -// just reset the next_unget variable and work with current -next_unget = false; -} -else -{ -current = ia.get_character(); -} - -if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) -{ -token_string.push_back(std::char_traits::to_char_type(current)); -} - -if (current == '\n') -{ -++position.lines_read; -position.chars_read_current_line = 0; -} - -return current; -} - -/*! - @brief unget current character (read it again on next get) - - We implement unget by setting variable next_unget to true. The input is not - changed - we just simulate ungetting by modifying chars_read_total, - chars_read_current_line, and token_string. The next call to get() will - behave as if the unget character is read again. - */ -void unget() -{ -next_unget = true; - ---position.chars_read_total; - -// in case we "unget" a newline, we have to also decrement the lines_read -if (position.chars_read_current_line == 0) -{ -if (position.lines_read > 0) -{ ---position.lines_read; -} -} -else -{ ---position.chars_read_current_line; -} - -if (JSON_HEDLEY_LIKELY(current != std::char_traits::eof())) -{ -JSON_ASSERT(!token_string.empty()); -token_string.pop_back(); -} -} - -/// add a character to token_buffer -void add(char_int_type c) -{ -token_buffer.push_back(static_cast(c)); -} - -public: -///////////////////// -// value getters -///////////////////// - -/// return integer value -constexpr number_integer_t get_number_integer() const noexcept -{ -return value_integer; -} - -/// return unsigned integer value -constexpr number_unsigned_t get_number_unsigned() const noexcept -{ -return value_unsigned; -} - -/// return floating-point value -constexpr number_float_t get_number_float() const noexcept -{ -return value_float; -} - -/// return current string value (implicitly resets the token; useful only once) -string_t& get_string() -{ -return token_buffer; -} - -///////////////////// -// diagnostics -///////////////////// - -/// return position of last read token -constexpr position_t get_position() const noexcept -{ -return position; -} - -/// return the last read token (for errors only). Will never contain EOF -/// (an arbitrary value that is not a valid char value, often -1), because -/// 255 may legitimately occur. May contain NUL, which should be escaped. -std::string get_token_string() const -{ -// escape control characters -std::string result; -for (const auto c : token_string) -{ -if (static_cast(c) <= '\x1F') -{ -// escape control characters -std::array cs{{}}; -(std::snprintf)(cs.data(), cs.size(), "", static_cast(c)); -result += cs.data(); -} -else -{ -// add character as is -result.push_back(static_cast(c)); -} -} - -return result; -} - -/// return syntax error message -JSON_HEDLEY_RETURNS_NON_NULL -constexpr const char* get_error_message() const noexcept -{ -return error_message; -} - -///////////////////// -// actual scanner -///////////////////// - -/*! - @brief skip the UTF-8 byte order mark - @return true iff there is no BOM or the correct BOM has been skipped - */ -bool skip_bom() -{ -if (get() == 0xEF) -{ -// check if we completely parse the BOM -return get() == 0xBB && get() == 0xBF; -} - -// the first character is not the beginning of the BOM; unget it to -// process is later -unget(); -return true; -} - -void skip_whitespace() -{ -do -{ -get(); -} -while (current == ' ' || current == '\t' || current == '\n' || current == '\r'); -} - -token_type scan() -{ -// initially, skip the BOM -if (position.chars_read_total == 0 && !skip_bom()) -{ -error_message = "invalid BOM; must be 0xEF 0xBB 0xBF if given"; -return token_type::parse_error; -} - -// read next character and ignore whitespace -skip_whitespace(); - -// ignore comments -while (ignore_comments && current == '/') -{ -if (!scan_comment()) -{ -return token_type::parse_error; -} - -// skip following whitespace -skip_whitespace(); -} - -switch (current) -{ -// structural characters -case '[': -return token_type::begin_array; -case ']': -return token_type::end_array; -case '{': -return token_type::begin_object; -case '}': -return token_type::end_object; -case ':': -return token_type::name_separator; -case ',': -return token_type::value_separator; - -// literals -case 't': -{ -std::array true_literal = {{'t', 'r', 'u', 'e'}}; -return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true); -} -case 'f': -{ -std::array false_literal = {{'f', 'a', 'l', 's', 'e'}}; -return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false); -} -case 'n': -{ -std::array null_literal = {{'n', 'u', 'l', 'l'}}; -return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null); -} - -// string -case '\"': -return scan_string(); - -// number -case '-': -case '0': -case '1': -case '2': -case '3': -case '4': -case '5': -case '6': -case '7': -case '8': -case '9': -return scan_number(); - -// end of input (the null byte is needed when parsing from -// string literals) -case '\0': -case std::char_traits::eof(): -return token_type::end_of_input; - -// error -default: -error_message = "invalid literal"; -return token_type::parse_error; -} -} - -private: -/// input adapter -InputAdapterType ia; - -/// whether comments should be ignored (true) or signaled as errors (false) -const bool ignore_comments = false; - -/// the current character -char_int_type current = std::char_traits::eof(); - -/// whether the next get() call should just return current -bool next_unget = false; - -/// the start position of the current token -position_t position {}; - -/// raw input token string (for error messages) -std::vector token_string {}; - -/// buffer for variable-length tokens (numbers, strings) -string_t token_buffer {}; - -/// a description of occurred lexer errors -const char* error_message = ""; - -// number values -number_integer_t value_integer = 0; -number_unsigned_t value_unsigned = 0; -number_float_t value_float = 0; - -/// the decimal point -const char_int_type decimal_point_char = '.'; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // size_t -#include // declval -#include // string - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -using null_function_t = decltype(std::declval().null()); - -template -using boolean_function_t = -decltype(std::declval().boolean(std::declval())); - -template -using number_integer_function_t = -decltype(std::declval().number_integer(std::declval())); - -template -using number_unsigned_function_t = -decltype(std::declval().number_unsigned(std::declval())); - -template -using number_float_function_t = decltype(std::declval().number_float( -std::declval(), std::declval())); - -template -using string_function_t = -decltype(std::declval().string(std::declval())); - -template -using binary_function_t = -decltype(std::declval().binary(std::declval())); - -template -using start_object_function_t = -decltype(std::declval().start_object(std::declval())); - -template -using key_function_t = -decltype(std::declval().key(std::declval())); - -template -using end_object_function_t = decltype(std::declval().end_object()); - -template -using start_array_function_t = -decltype(std::declval().start_array(std::declval())); - -template -using end_array_function_t = decltype(std::declval().end_array()); - -template -using parse_error_function_t = decltype(std::declval().parse_error( -std::declval(), std::declval(), -std::declval())); - -template -struct is_sax -{ -private: -static_assert(is_basic_json::value, -"BasicJsonType must be of type basic_json<...>"); - -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using exception_t = typename BasicJsonType::exception; - -public: -static constexpr bool value = -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value && -is_detected_exact::value; -}; - -template -struct is_sax_static_asserts -{ -private: -static_assert(is_basic_json::value, -"BasicJsonType must be of type basic_json<...>"); - -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using exception_t = typename BasicJsonType::exception; - -public: -static_assert(is_detected_exact::value, -"Missing/invalid function: bool null()"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool boolean(bool)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool boolean(bool)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool number_integer(number_integer_t)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool number_unsigned(number_unsigned_t)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool number_float(number_float_t, const string_t&)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool string(string_t&)"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool binary(binary_t&)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool start_object(std::size_t)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool key(string_t&)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool end_object()"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool start_array(std::size_t)"); -static_assert(is_detected_exact::value, -"Missing/invalid function: bool end_array()"); -static_assert( -is_detected_exact::value, -"Missing/invalid function: bool parse_error(std::size_t, const " -"std::string&, const exception&)"); -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/// how to treat CBOR tags -enum class cbor_tag_handler_t -{ -error, ///< throw a parse_error exception in case of a tag -ignore ///< ignore tags -}; - -/*! -@brief determine system byte order - -@return true if and only if system's byte order is little endian - -@note from https://stackoverflow.com/a/1001328/266378 -*/ -static inline bool little_endianess(int num = 1) noexcept -{ -return *reinterpret_cast(&num) == 1; -} - - -/////////////////// -// binary reader // -/////////////////// - -/*! -@brief deserialization of CBOR, MessagePack, and UBJSON values -*/ -template> -class binary_reader -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using json_sax_t = SAX; -using char_type = typename InputAdapterType::char_type; -using char_int_type = typename std::char_traits::int_type; - -public: -/*! - @brief create a binary reader - - @param[in] adapter input adapter to read from - */ -explicit binary_reader(InputAdapterType&& adapter) : ia(std::move(adapter)) -{ -(void)detail::is_sax_static_asserts {}; -} - -// make class move-only -binary_reader(const binary_reader&) = delete; -binary_reader(binary_reader&&) = default; -binary_reader& operator=(const binary_reader&) = delete; -binary_reader& operator=(binary_reader&&) = default; -~binary_reader() = default; - -/*! - @param[in] format the binary format to parse - @param[in] sax_ a SAX event processor - @param[in] strict whether to expect the input to be consumed completed - @param[in] tag_handler how to treat CBOR tags - - @return - */ -JSON_HEDLEY_NON_NULL(3) -bool sax_parse(const input_format_t format, -json_sax_t* sax_, -const bool strict = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -sax = sax_; -bool result = false; - -switch (format) -{ -case input_format_t::bson: -result = parse_bson_internal(); -break; - -case input_format_t::cbor: -result = parse_cbor_internal(true, tag_handler); -break; - -case input_format_t::msgpack: -result = parse_msgpack_internal(); -break; - -case input_format_t::ubjson: -result = parse_ubjson_internal(); -break; - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} - -// strict mode: next byte must be EOF -if (result && strict) -{ -if (format == input_format_t::ubjson) -{ -get_ignore_noop(); -} -else -{ -get(); -} - -if (JSON_HEDLEY_UNLIKELY(current != std::char_traits::eof())) -{ -return sax->parse_error(chars_read, get_token_string(), -parse_error::create(110, chars_read, exception_message(format, "expected end of input; last byte: 0x" + get_token_string(), "value"))); -} -} - -return result; -} - -private: -////////// -// BSON // -////////// - -/*! - @brief Reads in a BSON-object and passes it to the SAX-parser. - @return whether a valid BSON-value was passed to the SAX parser - */ -bool parse_bson_internal() -{ -std::int32_t document_size{}; -get_number(input_format_t::bson, document_size); - -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/false))) -{ -return false; -} - -return sax->end_object(); -} - -/*! - @brief Parses a C-style string from the BSON input. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @return `true` if the \x00-byte indicating the end of the string was - encountered before the EOF; false` indicates an unexpected EOF. - */ -bool get_bson_cstr(string_t& result) -{ -auto out = std::back_inserter(result); -while (true) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "cstring"))) -{ -return false; -} -if (current == 0x00) -{ -return true; -} -*out++ = static_cast(current); -} -} - -/*! - @brief Parses a zero-terminated string of length @a len from the BSON - input. - @param[in] len The length (including the zero-byte at the end) of the - string to be read. - @param[in, out] result A reference to the string variable where the read - string is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 1 - @return `true` if the string was successfully parsed - */ -template -bool get_bson_string(const NumberType len, string_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(len < 1)) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string"))); -} - -return get_string(input_format_t::bson, len - static_cast(1), result) && get() != std::char_traits::eof(); -} - -/*! - @brief Parses a byte array input of length @a len from the BSON input. - @param[in] len The length of the byte array to be read. - @param[in, out] result A reference to the binary variable where the read - array is to be stored. - @tparam NumberType The type of the length @a len - @pre len >= 0 - @return `true` if the byte array was successfully parsed - */ -template -bool get_bson_binary(const NumberType len, binary_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(len < 0)) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "byte array length cannot be negative, is " + std::to_string(len), "binary"))); -} - -// All BSON binary values have a subtype -std::uint8_t subtype{}; -get_number(input_format_t::bson, subtype); -result.set_subtype(subtype); - -return get_binary(input_format_t::bson, len, result); -} - -/*! - @brief Read a BSON document element of the given @a element_type. - @param[in] element_type The BSON element type, c.f. http://bsonspec.org/spec.html - @param[in] element_type_parse_position The position in the input stream, - where the `element_type` was read. - @warning Not all BSON element types are supported yet. An unsupported - @a element_type will give rise to a parse_error.114: - Unsupported BSON record type 0x... - @return whether a valid BSON-object/array was passed to the SAX parser - */ -bool parse_bson_element_internal(const char_int_type element_type, -const std::size_t element_type_parse_position) -{ -switch (element_type) -{ -case 0x01: // double -{ -double number{}; -return get_number(input_format_t::bson, number) && sax->number_float(static_cast(number), ""); -} - -case 0x02: // string -{ -std::int32_t len{}; -string_t value; -return get_number(input_format_t::bson, len) && get_bson_string(len, value) && sax->string(value); -} - -case 0x03: // object -{ -return parse_bson_internal(); -} - -case 0x04: // array -{ -return parse_bson_array(); -} - -case 0x05: // binary -{ -std::int32_t len{}; -binary_t value; -return get_number(input_format_t::bson, len) && get_bson_binary(len, value) && sax->binary(value); -} - -case 0x08: // boolean -{ -return sax->boolean(get() != 0); -} - -case 0x0A: // null -{ -return sax->null(); -} - -case 0x10: // int32 -{ -std::int32_t value{}; -return get_number(input_format_t::bson, value) && sax->number_integer(value); -} - -case 0x12: // int64 -{ -std::int64_t value{}; -return get_number(input_format_t::bson, value) && sax->number_integer(value); -} - -default: // anything else not supported (yet) -{ -std::array cr{{}}; -(std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(element_type)); -return sax->parse_error(element_type_parse_position, std::string(cr.data()), parse_error::create(114, element_type_parse_position, "Unsupported BSON record type 0x" + std::string(cr.data()))); -} -} -} - -/*! - @brief Read a BSON element list (as specified in the BSON-spec) - - The same binary layout is used for objects and arrays, hence it must be - indicated with the argument @a is_array which one is expected - (true --> array, false --> object). - - @param[in] is_array Determines if the element list being read is to be - treated as an object (@a is_array == false), or as an - array (@a is_array == true). - @return whether a valid BSON-object/array was passed to the SAX parser - */ -bool parse_bson_element_list(const bool is_array) -{ -string_t key; - -while (auto element_type = get()) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::bson, "element list"))) -{ -return false; -} - -const std::size_t element_type_parse_position = chars_read; -if (JSON_HEDLEY_UNLIKELY(!get_bson_cstr(key))) -{ -return false; -} - -if (!is_array && !sax->key(key)) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_internal(element_type, element_type_parse_position))) -{ -return false; -} - -// get_bson_cstr only appends -key.clear(); -} - -return true; -} - -/*! - @brief Reads an array from the BSON input and passes it to the SAX-parser. - @return whether a valid BSON-array was passed to the SAX parser - */ -bool parse_bson_array() -{ -std::int32_t document_size{}; -get_number(input_format_t::bson, document_size); - -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_bson_element_list(/*is_array*/true))) -{ -return false; -} - -return sax->end_array(); -} - -////////// -// CBOR // -////////// - -/*! - @param[in] get_char whether a new character should be retrieved from the - input (true) or whether the last read character should - be considered instead (false) - @param[in] tag_handler how CBOR tags should be treated - - @return whether a valid CBOR value was passed to the SAX parser - */ -bool parse_cbor_internal(const bool get_char, -const cbor_tag_handler_t tag_handler) -{ -switch (get_char ? get() : current) -{ -// EOF -case std::char_traits::eof(): -return unexpect_eof(input_format_t::cbor, "value"); - -// Integer 0x00..0x17 (0..23) -case 0x00: -case 0x01: -case 0x02: -case 0x03: -case 0x04: -case 0x05: -case 0x06: -case 0x07: -case 0x08: -case 0x09: -case 0x0A: -case 0x0B: -case 0x0C: -case 0x0D: -case 0x0E: -case 0x0F: -case 0x10: -case 0x11: -case 0x12: -case 0x13: -case 0x14: -case 0x15: -case 0x16: -case 0x17: -return sax->number_unsigned(static_cast(current)); - -case 0x18: // Unsigned integer (one-byte uint8_t follows) -{ -std::uint8_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -case 0x19: // Unsigned integer (two-byte uint16_t follows) -{ -std::uint16_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -case 0x1A: // Unsigned integer (four-byte uint32_t follows) -{ -std::uint32_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -case 0x1B: // Unsigned integer (eight-byte uint64_t follows) -{ -std::uint64_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_unsigned(number); -} - -// Negative integer -1-0x00..-1-0x17 (-1..-24) -case 0x20: -case 0x21: -case 0x22: -case 0x23: -case 0x24: -case 0x25: -case 0x26: -case 0x27: -case 0x28: -case 0x29: -case 0x2A: -case 0x2B: -case 0x2C: -case 0x2D: -case 0x2E: -case 0x2F: -case 0x30: -case 0x31: -case 0x32: -case 0x33: -case 0x34: -case 0x35: -case 0x36: -case 0x37: -return sax->number_integer(static_cast(0x20 - 1 - current)); - -case 0x38: // Negative integer (one-byte uint8_t follows) -{ -std::uint8_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); -} - -case 0x39: // Negative integer -1-n (two-byte uint16_t follows) -{ -std::uint16_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); -} - -case 0x3A: // Negative integer -1-n (four-byte uint32_t follows) -{ -std::uint32_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) - number); -} - -case 0x3B: // Negative integer -1-n (eight-byte uint64_t follows) -{ -std::uint64_t number{}; -return get_number(input_format_t::cbor, number) && sax->number_integer(static_cast(-1) -- static_cast(number)); -} - -// Binary data (0x00..0x17 bytes follow) -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -case 0x58: // Binary data (one-byte uint8_t for n follows) -case 0x59: // Binary data (two-byte uint16_t for n follow) -case 0x5A: // Binary data (four-byte uint32_t for n follow) -case 0x5B: // Binary data (eight-byte uint64_t for n follow) -case 0x5F: // Binary data (indefinite length) -{ -binary_t b; -return get_cbor_binary(b) && sax->binary(b); -} - -// UTF-8 string (0x00..0x17 bytes follow) -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -case 0x78: // UTF-8 string (one-byte uint8_t for n follows) -case 0x79: // UTF-8 string (two-byte uint16_t for n follow) -case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) -case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) -case 0x7F: // UTF-8 string (indefinite length) -{ -string_t s; -return get_cbor_string(s) && sax->string(s); -} - -// array (0x00..0x17 data items follow) -case 0x80: -case 0x81: -case 0x82: -case 0x83: -case 0x84: -case 0x85: -case 0x86: -case 0x87: -case 0x88: -case 0x89: -case 0x8A: -case 0x8B: -case 0x8C: -case 0x8D: -case 0x8E: -case 0x8F: -case 0x90: -case 0x91: -case 0x92: -case 0x93: -case 0x94: -case 0x95: -case 0x96: -case 0x97: -return get_cbor_array(static_cast(static_cast(current) & 0x1Fu), tag_handler); - -case 0x98: // array (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x99: // array (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x9A: // array (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x9B: // array (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast(len), tag_handler); -} - -case 0x9F: // array (indefinite length) -return get_cbor_array(std::size_t(-1), tag_handler); - -// map (0x00..0x17 pairs of data items follow) -case 0xA0: -case 0xA1: -case 0xA2: -case 0xA3: -case 0xA4: -case 0xA5: -case 0xA6: -case 0xA7: -case 0xA8: -case 0xA9: -case 0xAA: -case 0xAB: -case 0xAC: -case 0xAD: -case 0xAE: -case 0xAF: -case 0xB0: -case 0xB1: -case 0xB2: -case 0xB3: -case 0xB4: -case 0xB5: -case 0xB6: -case 0xB7: -return get_cbor_object(static_cast(static_cast(current) & 0x1Fu), tag_handler); - -case 0xB8: // map (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xB9: // map (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xBA: // map (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xBB: // map (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast(len), tag_handler); -} - -case 0xBF: // map (indefinite length) -return get_cbor_object(std::size_t(-1), tag_handler); - -case 0xC6: // tagged item -case 0xC7: -case 0xC8: -case 0xC9: -case 0xCA: -case 0xCB: -case 0xCC: -case 0xCD: -case 0xCE: -case 0xCF: -case 0xD0: -case 0xD1: -case 0xD2: -case 0xD3: -case 0xD4: -case 0xD8: // tagged item (1 bytes follow) -case 0xD9: // tagged item (2 bytes follow) -case 0xDA: // tagged item (4 bytes follow) -case 0xDB: // tagged item (8 bytes follow) -{ -switch (tag_handler) -{ -case cbor_tag_handler_t::error: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); -} - -case cbor_tag_handler_t::ignore: -{ -switch (current) -{ -case 0xD8: -{ -std::uint8_t len{}; -get_number(input_format_t::cbor, len); -break; -} -case 0xD9: -{ -std::uint16_t len{}; -get_number(input_format_t::cbor, len); -break; -} -case 0xDA: -{ -std::uint32_t len{}; -get_number(input_format_t::cbor, len); -break; -} -case 0xDB: -{ -std::uint64_t len{}; -get_number(input_format_t::cbor, len); -break; -} -default: -break; -} -return parse_cbor_internal(true, tag_handler); -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -return false; // LCOV_EXCL_LINE -} -} - -case 0xF4: // false -return sax->boolean(false); - -case 0xF5: // true -return sax->boolean(true); - -case 0xF6: // null -return sax->null(); - -case 0xF9: // Half-Precision Float (two-byte IEEE 754) -{ -const auto byte1_raw = get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) -{ -return false; -} -const auto byte2_raw = get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "number"))) -{ -return false; -} - -const auto byte1 = static_cast(byte1_raw); -const auto byte2 = static_cast(byte2_raw); - -// code from RFC 7049, Appendix D, Figure 3: -// As half-precision floating-point numbers were only added -// to IEEE 754 in 2008, today's programming platforms often -// still only have limited support for them. It is very -// easy to include at least decoding support for them even -// without such support. An example of a small decoder for -// half-precision floating-point numbers in the C language -// is shown in Fig. 3. -const auto half = static_cast((byte1 << 8u) + byte2); -const double val = [&half] -{ -const int exp = (half >> 10u) & 0x1Fu; -const unsigned int mant = half & 0x3FFu; -JSON_ASSERT(0 <= exp&& exp <= 32); -JSON_ASSERT(mant <= 1024); -switch (exp) -{ -case 0: -return std::ldexp(mant, -24); -case 31: -return (mant == 0) -? std::numeric_limits::infinity() -: std::numeric_limits::quiet_NaN(); -default: -return std::ldexp(mant + 1024, exp - 25); -} -}(); -return sax->number_float((half & 0x8000u) != 0 -? static_cast(-val) -: static_cast(val), ""); -} - -case 0xFA: // Single-Precision Float (four-byte IEEE 754) -{ -float number{}; -return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); -} - -case 0xFB: // Double-Precision Float (eight-byte IEEE 754) -{ -double number{}; -return get_number(input_format_t::cbor, number) && sax->number_float(static_cast(number), ""); -} - -default: // anything else (0xFF is handled inside the other types) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"))); -} -} -} - -/*! - @brief reads a CBOR string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - Additionally, CBOR's strings with indefinite lengths are supported. - - @param[out] result created string - - @return whether string creation completed - */ -bool get_cbor_string(string_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "string"))) -{ -return false; -} - -switch (current) -{ -// UTF-8 string (0x00..0x17 bytes follow) -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -{ -return get_string(input_format_t::cbor, static_cast(current) & 0x1Fu, result); -} - -case 0x78: // UTF-8 string (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x79: // UTF-8 string (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x7A: // UTF-8 string (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x7B: // UTF-8 string (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && get_string(input_format_t::cbor, len, result); -} - -case 0x7F: // UTF-8 string (indefinite length) -{ -while (get() != 0xFF) -{ -string_t chunk; -if (!get_cbor_string(chunk)) -{ -return false; -} -result.append(chunk); -} -return true; -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x" + last_token, "string"))); -} -} -} - -/*! - @brief reads a CBOR byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into the byte array. - Additionally, CBOR's byte arrays with indefinite lengths are supported. - - @param[out] result created byte array - - @return whether byte array creation completed - */ -bool get_cbor_binary(binary_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::cbor, "binary"))) -{ -return false; -} - -switch (current) -{ -// Binary data (0x00..0x17 bytes follow) -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -{ -return get_binary(input_format_t::cbor, static_cast(current) & 0x1Fu, result); -} - -case 0x58: // Binary data (one-byte uint8_t for n follows) -{ -std::uint8_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x59: // Binary data (two-byte uint16_t for n follow) -{ -std::uint16_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x5A: // Binary data (four-byte uint32_t for n follow) -{ -std::uint32_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x5B: // Binary data (eight-byte uint64_t for n follow) -{ -std::uint64_t len{}; -return get_number(input_format_t::cbor, len) && -get_binary(input_format_t::cbor, len, result); -} - -case 0x5F: // Binary data (indefinite length) -{ -while (get() != 0xFF) -{ -binary_t chunk; -if (!get_cbor_binary(chunk)) -{ -return false; -} -result.insert(result.end(), chunk.begin(), chunk.end()); -} -return true; -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x40-0x5B) or indefinite binary array type (0x5F); last byte: 0x" + last_token, "binary"))); -} -} -} - -/*! - @param[in] len the length of the array or std::size_t(-1) for an - array of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether array creation completed - */ -bool get_cbor_array(const std::size_t len, -const cbor_tag_handler_t tag_handler) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) -{ -return false; -} - -if (len != std::size_t(-1)) -{ -for (std::size_t i = 0; i < len; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) -{ -return false; -} -} -} -else -{ -while (get() != 0xFF) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(false, tag_handler))) -{ -return false; -} -} -} - -return sax->end_array(); -} - -/*! - @param[in] len the length of the object or std::size_t(-1) for an - object of indefinite size - @param[in] tag_handler how CBOR tags should be treated - @return whether object creation completed - */ -bool get_cbor_object(const std::size_t len, -const cbor_tag_handler_t tag_handler) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) -{ -return false; -} - -string_t key; -if (len != std::size_t(-1)) -{ -for (std::size_t i = 0; i < len; ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) -{ -return false; -} -key.clear(); -} -} -else -{ -while (get() != 0xFF) -{ -if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler))) -{ -return false; -} -key.clear(); -} -} - -return sax->end_object(); -} - -///////////// -// MsgPack // -///////////// - -/*! - @return whether a valid MessagePack value was passed to the SAX parser - */ -bool parse_msgpack_internal() -{ -switch (get()) -{ -// EOF -case std::char_traits::eof(): -return unexpect_eof(input_format_t::msgpack, "value"); - -// positive fixint -case 0x00: -case 0x01: -case 0x02: -case 0x03: -case 0x04: -case 0x05: -case 0x06: -case 0x07: -case 0x08: -case 0x09: -case 0x0A: -case 0x0B: -case 0x0C: -case 0x0D: -case 0x0E: -case 0x0F: -case 0x10: -case 0x11: -case 0x12: -case 0x13: -case 0x14: -case 0x15: -case 0x16: -case 0x17: -case 0x18: -case 0x19: -case 0x1A: -case 0x1B: -case 0x1C: -case 0x1D: -case 0x1E: -case 0x1F: -case 0x20: -case 0x21: -case 0x22: -case 0x23: -case 0x24: -case 0x25: -case 0x26: -case 0x27: -case 0x28: -case 0x29: -case 0x2A: -case 0x2B: -case 0x2C: -case 0x2D: -case 0x2E: -case 0x2F: -case 0x30: -case 0x31: -case 0x32: -case 0x33: -case 0x34: -case 0x35: -case 0x36: -case 0x37: -case 0x38: -case 0x39: -case 0x3A: -case 0x3B: -case 0x3C: -case 0x3D: -case 0x3E: -case 0x3F: -case 0x40: -case 0x41: -case 0x42: -case 0x43: -case 0x44: -case 0x45: -case 0x46: -case 0x47: -case 0x48: -case 0x49: -case 0x4A: -case 0x4B: -case 0x4C: -case 0x4D: -case 0x4E: -case 0x4F: -case 0x50: -case 0x51: -case 0x52: -case 0x53: -case 0x54: -case 0x55: -case 0x56: -case 0x57: -case 0x58: -case 0x59: -case 0x5A: -case 0x5B: -case 0x5C: -case 0x5D: -case 0x5E: -case 0x5F: -case 0x60: -case 0x61: -case 0x62: -case 0x63: -case 0x64: -case 0x65: -case 0x66: -case 0x67: -case 0x68: -case 0x69: -case 0x6A: -case 0x6B: -case 0x6C: -case 0x6D: -case 0x6E: -case 0x6F: -case 0x70: -case 0x71: -case 0x72: -case 0x73: -case 0x74: -case 0x75: -case 0x76: -case 0x77: -case 0x78: -case 0x79: -case 0x7A: -case 0x7B: -case 0x7C: -case 0x7D: -case 0x7E: -case 0x7F: -return sax->number_unsigned(static_cast(current)); - -// fixmap -case 0x80: -case 0x81: -case 0x82: -case 0x83: -case 0x84: -case 0x85: -case 0x86: -case 0x87: -case 0x88: -case 0x89: -case 0x8A: -case 0x8B: -case 0x8C: -case 0x8D: -case 0x8E: -case 0x8F: -return get_msgpack_object(static_cast(static_cast(current) & 0x0Fu)); - -// fixarray -case 0x90: -case 0x91: -case 0x92: -case 0x93: -case 0x94: -case 0x95: -case 0x96: -case 0x97: -case 0x98: -case 0x99: -case 0x9A: -case 0x9B: -case 0x9C: -case 0x9D: -case 0x9E: -case 0x9F: -return get_msgpack_array(static_cast(static_cast(current) & 0x0Fu)); - -// fixstr -case 0xA0: -case 0xA1: -case 0xA2: -case 0xA3: -case 0xA4: -case 0xA5: -case 0xA6: -case 0xA7: -case 0xA8: -case 0xA9: -case 0xAA: -case 0xAB: -case 0xAC: -case 0xAD: -case 0xAE: -case 0xAF: -case 0xB0: -case 0xB1: -case 0xB2: -case 0xB3: -case 0xB4: -case 0xB5: -case 0xB6: -case 0xB7: -case 0xB8: -case 0xB9: -case 0xBA: -case 0xBB: -case 0xBC: -case 0xBD: -case 0xBE: -case 0xBF: -case 0xD9: // str 8 -case 0xDA: // str 16 -case 0xDB: // str 32 -{ -string_t s; -return get_msgpack_string(s) && sax->string(s); -} - -case 0xC0: // nil -return sax->null(); - -case 0xC2: // false -return sax->boolean(false); - -case 0xC3: // true -return sax->boolean(true); - -case 0xC4: // bin 8 -case 0xC5: // bin 16 -case 0xC6: // bin 32 -case 0xC7: // ext 8 -case 0xC8: // ext 16 -case 0xC9: // ext 32 -case 0xD4: // fixext 1 -case 0xD5: // fixext 2 -case 0xD6: // fixext 4 -case 0xD7: // fixext 8 -case 0xD8: // fixext 16 -{ -binary_t b; -return get_msgpack_binary(b) && sax->binary(b); -} - -case 0xCA: // float 32 -{ -float number{}; -return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); -} - -case 0xCB: // float 64 -{ -double number{}; -return get_number(input_format_t::msgpack, number) && sax->number_float(static_cast(number), ""); -} - -case 0xCC: // uint 8 -{ -std::uint8_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xCD: // uint 16 -{ -std::uint16_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xCE: // uint 32 -{ -std::uint32_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xCF: // uint 64 -{ -std::uint64_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_unsigned(number); -} - -case 0xD0: // int 8 -{ -std::int8_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xD1: // int 16 -{ -std::int16_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xD2: // int 32 -{ -std::int32_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xD3: // int 64 -{ -std::int64_t number{}; -return get_number(input_format_t::msgpack, number) && sax->number_integer(number); -} - -case 0xDC: // array 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); -} - -case 0xDD: // array 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_array(static_cast(len)); -} - -case 0xDE: // map 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); -} - -case 0xDF: // map 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && get_msgpack_object(static_cast(len)); -} - -// negative fixint -case 0xE0: -case 0xE1: -case 0xE2: -case 0xE3: -case 0xE4: -case 0xE5: -case 0xE6: -case 0xE7: -case 0xE8: -case 0xE9: -case 0xEA: -case 0xEB: -case 0xEC: -case 0xED: -case 0xEE: -case 0xEF: -case 0xF0: -case 0xF1: -case 0xF2: -case 0xF3: -case 0xF4: -case 0xF5: -case 0xF6: -case 0xF7: -case 0xF8: -case 0xF9: -case 0xFA: -case 0xFB: -case 0xFC: -case 0xFD: -case 0xFE: -case 0xFF: -return sax->number_integer(static_cast(current)); - -default: // anything else -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::msgpack, "invalid byte: 0x" + last_token, "value"))); -} -} -} - -/*! - @brief reads a MessagePack string - - This function first reads starting bytes to determine the expected - string length and then copies this number of bytes into a string. - - @param[out] result created string - - @return whether string creation completed - */ -bool get_msgpack_string(string_t& result) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::msgpack, "string"))) -{ -return false; -} - -switch (current) -{ -// fixstr -case 0xA0: -case 0xA1: -case 0xA2: -case 0xA3: -case 0xA4: -case 0xA5: -case 0xA6: -case 0xA7: -case 0xA8: -case 0xA9: -case 0xAA: -case 0xAB: -case 0xAC: -case 0xAD: -case 0xAE: -case 0xAF: -case 0xB0: -case 0xB1: -case 0xB2: -case 0xB3: -case 0xB4: -case 0xB5: -case 0xB6: -case 0xB7: -case 0xB8: -case 0xB9: -case 0xBA: -case 0xBB: -case 0xBC: -case 0xBD: -case 0xBE: -case 0xBF: -{ -return get_string(input_format_t::msgpack, static_cast(current) & 0x1Fu, result); -} - -case 0xD9: // str 8 -{ -std::uint8_t len{}; -return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); -} - -case 0xDA: // str 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); -} - -case 0xDB: // str 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && get_string(input_format_t::msgpack, len, result); -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string"))); -} -} -} - -/*! - @brief reads a MessagePack byte array - - This function first reads starting bytes to determine the expected - byte array length and then copies this number of bytes into a byte array. - - @param[out] result created byte array - - @return whether byte array creation completed - */ -bool get_msgpack_binary(binary_t& result) -{ -// helper function to set the subtype -auto assign_and_return_true = [&result](std::int8_t subtype) -{ -result.set_subtype(static_cast(subtype)); -return true; -}; - -switch (current) -{ -case 0xC4: // bin 8 -{ -std::uint8_t len{}; -return get_number(input_format_t::msgpack, len) && -get_binary(input_format_t::msgpack, len, result); -} - -case 0xC5: // bin 16 -{ -std::uint16_t len{}; -return get_number(input_format_t::msgpack, len) && -get_binary(input_format_t::msgpack, len, result); -} - -case 0xC6: // bin 32 -{ -std::uint32_t len{}; -return get_number(input_format_t::msgpack, len) && -get_binary(input_format_t::msgpack, len, result); -} - -case 0xC7: // ext 8 -{ -std::uint8_t len{}; -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, len) && -get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, len, result) && -assign_and_return_true(subtype); -} - -case 0xC8: // ext 16 -{ -std::uint16_t len{}; -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, len) && -get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, len, result) && -assign_and_return_true(subtype); -} - -case 0xC9: // ext 32 -{ -std::uint32_t len{}; -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, len) && -get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, len, result) && -assign_and_return_true(subtype); -} - -case 0xD4: // fixext 1 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 1, result) && -assign_and_return_true(subtype); -} - -case 0xD5: // fixext 2 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 2, result) && -assign_and_return_true(subtype); -} - -case 0xD6: // fixext 4 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 4, result) && -assign_and_return_true(subtype); -} - -case 0xD7: // fixext 8 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 8, result) && -assign_and_return_true(subtype); -} - -case 0xD8: // fixext 16 -{ -std::int8_t subtype{}; -return get_number(input_format_t::msgpack, subtype) && -get_binary(input_format_t::msgpack, 16, result) && -assign_and_return_true(subtype); -} - -default: // LCOV_EXCL_LINE -return false; // LCOV_EXCL_LINE -} -} - -/*! - @param[in] len the length of the array - @return whether array creation completed - */ -bool get_msgpack_array(const std::size_t len) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(len))) -{ -return false; -} - -for (std::size_t i = 0; i < len; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) -{ -return false; -} -} - -return sax->end_array(); -} - -/*! - @param[in] len the length of the object - @return whether object creation completed - */ -bool get_msgpack_object(const std::size_t len) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(len))) -{ -return false; -} - -string_t key; -for (std::size_t i = 0; i < len; ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!get_msgpack_string(key) || !sax->key(key))) -{ -return false; -} - -if (JSON_HEDLEY_UNLIKELY(!parse_msgpack_internal())) -{ -return false; -} -key.clear(); -} - -return sax->end_object(); -} - -//////////// -// UBJSON // -//////////// - -/*! - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether a valid UBJSON value was passed to the SAX parser - */ -bool parse_ubjson_internal(const bool get_char = true) -{ -return get_ubjson_value(get_char ? get_ignore_noop() : current); -} - -/*! - @brief reads a UBJSON string - - This function is either called after reading the 'S' byte explicitly - indicating a string, or in case of an object key where the 'S' byte can be - left out. - - @param[out] result created string - @param[in] get_char whether a new character should be retrieved from the - input (true, default) or whether the last read - character should be considered instead - - @return whether string creation completed - */ -bool get_ubjson_string(string_t& result, const bool get_char = true) -{ -if (get_char) -{ -get(); // TODO(niels): may we ignore N here? -} - -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) -{ -return false; -} - -switch (current) -{ -case 'U': -{ -std::uint8_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'i': -{ -std::int8_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'I': -{ -std::int16_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'l': -{ -std::int32_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -case 'L': -{ -std::int64_t len{}; -return get_number(input_format_t::ubjson, len) && get_string(input_format_t::ubjson, len, result); -} - -default: -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token, "string"))); -} -} - -/*! - @param[out] result determined size - @return whether size determination completed - */ -bool get_ubjson_size_value(std::size_t& result) -{ -switch (get_ignore_noop()) -{ -case 'U': -{ -std::uint8_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'i': -{ -std::int8_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'I': -{ -std::int16_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'l': -{ -std::int32_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -case 'L': -{ -std::int64_t number{}; -if (JSON_HEDLEY_UNLIKELY(!get_number(input_format_t::ubjson, number))) -{ -return false; -} -result = static_cast(number); -return true; -} - -default: -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token, "size"))); -} -} -} - -/*! - @brief determine the type and size for a container - - In the optimized UBJSON format, a type and a size can be provided to allow - for a more compact representation. - - @param[out] result pair of the size and the type - - @return whether pair creation completed - */ -bool get_ubjson_size_type(std::pair& result) -{ -result.first = string_t::npos; // size -result.second = 0; // type - -get_ignore_noop(); - -if (current == '$') -{ -result.second = get(); // must not ignore 'N', because 'N' maybe the type -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "type"))) -{ -return false; -} - -get_ignore_noop(); -if (JSON_HEDLEY_UNLIKELY(current != '#')) -{ -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "value"))) -{ -return false; -} -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "expected '#' after type information; last byte: 0x" + last_token, "size"))); -} - -return get_ubjson_size_value(result.first); -} - -if (current == '#') -{ -return get_ubjson_size_value(result.first); -} - -return true; -} - -/*! - @param prefix the previously read or set type prefix - @return whether value creation completed - */ -bool get_ubjson_value(const char_int_type prefix) -{ -switch (prefix) -{ -case std::char_traits::eof(): // EOF -return unexpect_eof(input_format_t::ubjson, "value"); - -case 'T': // true -return sax->boolean(true); -case 'F': // false -return sax->boolean(false); - -case 'Z': // null -return sax->null(); - -case 'U': -{ -std::uint8_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_unsigned(number); -} - -case 'i': -{ -std::int8_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'I': -{ -std::int16_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'l': -{ -std::int32_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'L': -{ -std::int64_t number{}; -return get_number(input_format_t::ubjson, number) && sax->number_integer(number); -} - -case 'd': -{ -float number{}; -return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); -} - -case 'D': -{ -double number{}; -return get_number(input_format_t::ubjson, number) && sax->number_float(static_cast(number), ""); -} - -case 'H': -{ -return get_ubjson_high_precision_number(); -} - -case 'C': // char -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "char"))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(current > 127)) -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "byte after 'C' must be in range 0x00..0x7F; last byte: 0x" + last_token, "char"))); -} -string_t s(1, static_cast(current)); -return sax->string(s); -} - -case 'S': // string -{ -string_t s; -return get_ubjson_string(s) && sax->string(s); -} - -case '[': // array -return get_ubjson_array(); - -case '{': // object -return get_ubjson_object(); - -default: // anything else -{ -auto last_token = get_token_string(); -return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "invalid byte: 0x" + last_token, "value"))); -} -} -} - -/*! - @return whether array creation completed - */ -bool get_ubjson_array() -{ -std::pair size_and_type; -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) -{ -return false; -} - -if (size_and_type.first != string_t::npos) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(size_and_type.first))) -{ -return false; -} - -if (size_and_type.second != 0) -{ -if (size_and_type.second != 'N') -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) -{ -return false; -} -} -} -} -else -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) -{ -return false; -} -} -} -} -else -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) -{ -return false; -} - -while (current != ']') -{ -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal(false))) -{ -return false; -} -get_ignore_noop(); -} -} - -return sax->end_array(); -} - -/*! - @return whether object creation completed - */ -bool get_ubjson_object() -{ -std::pair size_and_type; -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_size_type(size_and_type))) -{ -return false; -} - -string_t key; -if (size_and_type.first != string_t::npos) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(size_and_type.first))) -{ -return false; -} - -if (size_and_type.second != 0) -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_value(size_and_type.second))) -{ -return false; -} -key.clear(); -} -} -else -{ -for (std::size_t i = 0; i < size_and_type.first; ++i) -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key) || !sax->key(key))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) -{ -return false; -} -key.clear(); -} -} -} -else -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) -{ -return false; -} - -while (current != '}') -{ -if (JSON_HEDLEY_UNLIKELY(!get_ubjson_string(key, false) || !sax->key(key))) -{ -return false; -} -if (JSON_HEDLEY_UNLIKELY(!parse_ubjson_internal())) -{ -return false; -} -get_ignore_noop(); -key.clear(); -} -} - -return sax->end_object(); -} - -// Note, no reader for UBJSON binary types is implemented because they do -// not exist - -bool get_ubjson_high_precision_number() -{ -// get size of following number string -std::size_t size{}; -auto res = get_ubjson_size_value(size); -if (JSON_HEDLEY_UNLIKELY(!res)) -{ -return res; -} - -// get number string -std::vector number_vector; -for (std::size_t i = 0; i < size; ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(input_format_t::ubjson, "number"))) -{ -return false; -} -number_vector.push_back(static_cast(current)); -} - -// parse number string -auto number_ia = detail::input_adapter(std::forward(number_vector)); -auto number_lexer = detail::lexer(std::move(number_ia), false); -const auto result_number = number_lexer.scan(); -const auto number_string = number_lexer.get_token_string(); -const auto result_remainder = number_lexer.scan(); - -using token_type = typename detail::lexer_base::token_type; - -if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input)) -{ -return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); -} - -switch (result_number) -{ -case token_type::value_integer: -return sax->number_integer(number_lexer.get_number_integer()); -case token_type::value_unsigned: -return sax->number_unsigned(number_lexer.get_number_unsigned()); -case token_type::value_float: -return sax->number_float(number_lexer.get_number_float(), std::move(number_string)); -default: -return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"))); -} -} - -/////////////////////// -// Utility functions // -/////////////////////// - -/*! - @brief get next character from the input - - This function provides the interface to the used input adapter. It does - not throw in case the input reached EOF, but returns a -'ve valued - `std::char_traits::eof()` in that case. - - @return character read from the input - */ -char_int_type get() -{ -++chars_read; -return current = ia.get_character(); -} - -/*! - @return character read from the input after ignoring all 'N' entries - */ -char_int_type get_ignore_noop() -{ -do -{ -get(); -} -while (current == 'N'); - -return current; -} - -/* - @brief read a number from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[out] result number of type @a NumberType - - @return whether conversion completed - - @note This function needs to respect the system's endianess, because - bytes in CBOR, MessagePack, and UBJSON are stored in network order - (big endian) and therefore need reordering on little endian systems. - */ -template -bool get_number(const input_format_t format, NumberType& result) -{ -// step 1: read input into array with system's byte order -std::array vec; -for (std::size_t i = 0; i < sizeof(NumberType); ++i) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "number"))) -{ -return false; -} - -// reverse byte order prior to conversion if necessary -if (is_little_endian != InputIsLittleEndian) -{ -vec[sizeof(NumberType) - i - 1] = static_cast(current); -} -else -{ -vec[i] = static_cast(current); // LCOV_EXCL_LINE -} -} - -// step 2: convert array into number of type T and return -std::memcpy(&result, vec.data(), sizeof(NumberType)); -return true; -} - -/*! - @brief create a string by reading characters from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of characters to read - @param[out] result string created by reading @a len bytes - - @return whether string creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of string memory. - */ -template -bool get_string(const input_format_t format, -const NumberType len, -string_t& result) -{ -bool success = true; -for (NumberType i = 0; i < len; i++) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "string"))) -{ -success = false; -break; -} -result.push_back(static_cast(current)); -}; -return success; -} - -/*! - @brief create a byte array by reading bytes from the input - - @tparam NumberType the type of the number - @param[in] format the current format (for diagnostics) - @param[in] len number of bytes to read - @param[out] result byte array created by reading @a len bytes - - @return whether byte array creation completed - - @note We can not reserve @a len bytes for the result, because @a len - may be too large. Usually, @ref unexpect_eof() detects the end of - the input before we run out of memory. - */ -template -bool get_binary(const input_format_t format, -const NumberType len, -binary_t& result) -{ -bool success = true; -for (NumberType i = 0; i < len; i++) -{ -get(); -if (JSON_HEDLEY_UNLIKELY(!unexpect_eof(format, "binary"))) -{ -success = false; -break; -} -result.push_back(static_cast(current)); -} -return success; -} - -/*! - @param[in] format the current format (for diagnostics) - @param[in] context further context information (for diagnostics) - @return whether the last read character is not EOF - */ -JSON_HEDLEY_NON_NULL(3) -bool unexpect_eof(const input_format_t format, const char* context) const -{ -if (JSON_HEDLEY_UNLIKELY(current == std::char_traits::eof())) -{ -return sax->parse_error(chars_read, "", -parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context))); -} -return true; -} - -/*! - @return a string representation of the last read byte - */ -std::string get_token_string() const -{ -std::array cr{{}}; -(std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast(current)); -return std::string{cr.data()}; -} - -/*! - @param[in] format the current format - @param[in] detail a detailed error message - @param[in] context further context information - @return a message string to use in the parse_error exceptions - */ -std::string exception_message(const input_format_t format, -const std::string& detail, -const std::string& context) const -{ -std::string error_msg = "syntax error while parsing "; - -switch (format) -{ -case input_format_t::cbor: -error_msg += "CBOR"; -break; - -case input_format_t::msgpack: -error_msg += "MessagePack"; -break; - -case input_format_t::ubjson: -error_msg += "UBJSON"; -break; - -case input_format_t::bson: -error_msg += "BSON"; -break; - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} - -return error_msg + " " + context + ": " + detail; -} - -private: -/// input adapter -InputAdapterType ia; - -/// the current character -char_int_type current = std::char_traits::eof(); - -/// the number of characters read -std::size_t chars_read = 0; - -/// whether we can assume little endianess -const bool is_little_endian = little_endianess(); - -/// the SAX parser -json_sax_t* sax = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // isfinite -#include // uint8_t -#include // function -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -//////////// -// parser // -//////////// - -enum class parse_event_t : uint8_t -{ -/// the parser read `{` and started to process a JSON object -object_start, -/// the parser read `}` and finished processing a JSON object -object_end, -/// the parser read `[` and started to process a JSON array -array_start, -/// the parser read `]` and finished processing a JSON array -array_end, -/// the parser read a key of a value in an object -key, -/// the parser finished reading a JSON value -value -}; - -template -using parser_callback_t = -std::function; - -/*! -@brief syntax analysis - -This class implements a recursive descent parser. -*/ -template -class parser -{ -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using number_float_t = typename BasicJsonType::number_float_t; -using string_t = typename BasicJsonType::string_t; -using lexer_t = lexer; -using token_type = typename lexer_t::token_type; - -public: -/// a parser reading from an input adapter -explicit parser(InputAdapterType&& adapter, -const parser_callback_t cb = nullptr, -const bool allow_exceptions_ = true, -const bool skip_comments = false) -: callback(cb) -, m_lexer(std::move(adapter), skip_comments) -, allow_exceptions(allow_exceptions_) -{ -// read first token -get_token(); -} - -/*! - @brief public parser interface - - @param[in] strict whether to expect the last token to be EOF - @param[in,out] result parsed JSON value - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ -void parse(const bool strict, BasicJsonType& result) -{ -if (callback) -{ -json_sax_dom_callback_parser sdp(result, callback, allow_exceptions); -sax_parse_internal(&sdp); -result.assert_invariant(); - -// in strict mode, input must be completely read -if (strict && (get_token() != token_type::end_of_input)) -{ -sdp.parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_of_input, "value"))); -} - -// in case of an error, return discarded value -if (sdp.is_errored()) -{ -result = value_t::discarded; -return; -} - -// set top-level value to null if it was discarded by the callback -// function -if (result.is_discarded()) -{ -result = nullptr; -} -} -else -{ -json_sax_dom_parser sdp(result, allow_exceptions); -sax_parse_internal(&sdp); -result.assert_invariant(); - -// in strict mode, input must be completely read -if (strict && (get_token() != token_type::end_of_input)) -{ -sdp.parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_of_input, "value"))); -} - -// in case of an error, return discarded value -if (sdp.is_errored()) -{ -result = value_t::discarded; -return; -} -} -} - -/*! - @brief public accept interface - - @param[in] strict whether to expect the last token to be EOF - @return whether the input is a proper JSON text - */ -bool accept(const bool strict = true) -{ -json_sax_acceptor sax_acceptor; -return sax_parse(&sax_acceptor, strict); -} - -template -JSON_HEDLEY_NON_NULL(2) -bool sax_parse(SAX* sax, const bool strict = true) -{ -(void)detail::is_sax_static_asserts {}; -const bool result = sax_parse_internal(sax); - -// strict mode: next byte must be EOF -if (result && strict && (get_token() != token_type::end_of_input)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_of_input, "value"))); -} - -return result; -} - -private: -template -JSON_HEDLEY_NON_NULL(2) -bool sax_parse_internal(SAX* sax) -{ -// stack to remember the hierarchy of structured values we are parsing -// true = array; false = object -std::vector states; -// value to avoid a goto (see comment where set to true) -bool skip_to_state_evaluation = false; - -while (true) -{ -if (!skip_to_state_evaluation) -{ -// invariant: get_token() was called before each iteration -switch (last_token) -{ -case token_type::begin_object: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_object(std::size_t(-1)))) -{ -return false; -} - -// closing } -> we are done -if (get_token() == token_type::end_object) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) -{ -return false; -} -break; -} - -// parse key -if (JSON_HEDLEY_UNLIKELY(last_token != token_type::value_string)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::value_string, "object key"))); -} -if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) -{ -return false; -} - -// parse separator (:) -if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::name_separator, "object separator"))); -} - -// remember we are now inside an object -states.push_back(false); - -// parse values -get_token(); -continue; -} - -case token_type::begin_array: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->start_array(std::size_t(-1)))) -{ -return false; -} - -// closing ] -> we are done -if (get_token() == token_type::end_array) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) -{ -return false; -} -break; -} - -// remember we are now inside an array -states.push_back(true); - -// parse values (no need to call get_token) -continue; -} - -case token_type::value_float: -{ -const auto res = m_lexer.get_number_float(); - -if (JSON_HEDLEY_UNLIKELY(!std::isfinite(res))) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -out_of_range::create(406, "number overflow parsing '" + m_lexer.get_token_string() + "'")); -} - -if (JSON_HEDLEY_UNLIKELY(!sax->number_float(res, m_lexer.get_string()))) -{ -return false; -} - -break; -} - -case token_type::literal_false: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->boolean(false))) -{ -return false; -} -break; -} - -case token_type::literal_null: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->null())) -{ -return false; -} -break; -} - -case token_type::literal_true: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->boolean(true))) -{ -return false; -} -break; -} - -case token_type::value_integer: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->number_integer(m_lexer.get_number_integer()))) -{ -return false; -} -break; -} - -case token_type::value_string: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->string(m_lexer.get_string()))) -{ -return false; -} -break; -} - -case token_type::value_unsigned: -{ -if (JSON_HEDLEY_UNLIKELY(!sax->number_unsigned(m_lexer.get_number_unsigned()))) -{ -return false; -} -break; -} - -case token_type::parse_error: -{ -// using "uninitialized" to avoid "expected" message -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::uninitialized, "value"))); -} - -default: // the last token was unexpected -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::literal_or_value, "value"))); -} -} -} -else -{ -skip_to_state_evaluation = false; -} - -// we reached this line after we successfully parsed a value -if (states.empty()) -{ -// empty stack: we reached the end of the hierarchy: done -return true; -} - -if (states.back()) // array -{ -// comma -> next value -if (get_token() == token_type::value_separator) -{ -// parse a new value -get_token(); -continue; -} - -// closing ] -if (JSON_HEDLEY_LIKELY(last_token == token_type::end_array)) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_array())) -{ -return false; -} - -// We are done with this array. Before we can parse a -// new value, we need to evaluate the new state first. -// By setting skip_to_state_evaluation to false, we -// are effectively jumping to the beginning of this if. -JSON_ASSERT(!states.empty()); -states.pop_back(); -skip_to_state_evaluation = true; -continue; -} - -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_array, "array"))); -} -else // object -{ -// comma -> next value -if (get_token() == token_type::value_separator) -{ -// parse key -if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::value_string)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::value_string, "object key"))); -} - -if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string()))) -{ -return false; -} - -// parse separator (:) -if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator)) -{ -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::name_separator, "object separator"))); -} - -// parse values -get_token(); -continue; -} - -// closing } -if (JSON_HEDLEY_LIKELY(last_token == token_type::end_object)) -{ -if (JSON_HEDLEY_UNLIKELY(!sax->end_object())) -{ -return false; -} - -// We are done with this object. Before we can parse a -// new value, we need to evaluate the new state first. -// By setting skip_to_state_evaluation to false, we -// are effectively jumping to the beginning of this if. -JSON_ASSERT(!states.empty()); -states.pop_back(); -skip_to_state_evaluation = true; -continue; -} - -return sax->parse_error(m_lexer.get_position(), -m_lexer.get_token_string(), -parse_error::create(101, m_lexer.get_position(), -exception_message(token_type::end_object, "object"))); -} -} -} - -/// get next token from lexer -token_type get_token() -{ -return last_token = m_lexer.scan(); -} - -std::string exception_message(const token_type expected, const std::string& context) -{ -std::string error_msg = "syntax error "; - -if (!context.empty()) -{ -error_msg += "while parsing " + context + " "; -} - -error_msg += "- "; - -if (last_token == token_type::parse_error) -{ -error_msg += std::string(m_lexer.get_error_message()) + "; last read: '" + -m_lexer.get_token_string() + "'"; -} -else -{ -error_msg += "unexpected " + std::string(lexer_t::token_type_name(last_token)); -} - -if (expected != token_type::uninitialized) -{ -error_msg += "; expected " + std::string(lexer_t::token_type_name(expected)); -} - -return error_msg; -} - -private: -/// callback function -const parser_callback_t callback = nullptr; -/// the type of the last read token -token_type last_token = token_type::uninitialized; -/// the lexer -lexer_t m_lexer; -/// whether to throw exceptions in case of errors -const bool allow_exceptions = true; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -// #include - - -#include // ptrdiff_t -#include // numeric_limits - -namespace nlohmann -{ -namespace detail -{ -/* -@brief an iterator for primitive JSON types - -This class models an iterator for primitive JSON types (boolean, number, -string). It's only purpose is to allow the iterator/const_iterator classes -to "iterate" over primitive values. Internally, the iterator is modeled by -a `difference_type` variable. Value begin_value (`0`) models the begin, -end_value (`1`) models past the end. -*/ -class primitive_iterator_t -{ -private: -using difference_type = std::ptrdiff_t; -static constexpr difference_type begin_value = 0; -static constexpr difference_type end_value = begin_value + 1; - -JSON_PRIVATE_UNLESS_TESTED: -/// iterator as signed integer type -difference_type m_it = (std::numeric_limits::min)(); - -public: -constexpr difference_type get_value() const noexcept -{ -return m_it; -} - -/// set iterator to a defined beginning -void set_begin() noexcept -{ -m_it = begin_value; -} - -/// set iterator to a defined past the end -void set_end() noexcept -{ -m_it = end_value; -} - -/// return whether the iterator can be dereferenced -constexpr bool is_begin() const noexcept -{ -return m_it == begin_value; -} - -/// return whether the iterator is at end -constexpr bool is_end() const noexcept -{ -return m_it == end_value; -} - -friend constexpr bool operator==(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept -{ -return lhs.m_it == rhs.m_it; -} - -friend constexpr bool operator<(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept -{ -return lhs.m_it < rhs.m_it; -} - -primitive_iterator_t operator+(difference_type n) noexcept -{ -auto result = *this; -result += n; -return result; -} - -friend constexpr difference_type operator-(primitive_iterator_t lhs, primitive_iterator_t rhs) noexcept -{ -return lhs.m_it - rhs.m_it; -} - -primitive_iterator_t& operator++() noexcept -{ -++m_it; -return *this; -} - -primitive_iterator_t const operator++(int) noexcept -{ -auto result = *this; -++m_it; -return result; -} - -primitive_iterator_t& operator--() noexcept -{ ---m_it; -return *this; -} - -primitive_iterator_t const operator--(int) noexcept -{ -auto result = *this; ---m_it; -return result; -} - -primitive_iterator_t& operator+=(difference_type n) noexcept -{ -m_it += n; -return *this; -} - -primitive_iterator_t& operator-=(difference_type n) noexcept -{ -m_it -= n; -return *this; -} -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/*! -@brief an iterator value - -@note This structure could easily be a union, but MSVC currently does not allow -unions members with complex constructors, see https://github.com/nlohmann/json/pull/105. -*/ -template struct internal_iterator -{ -/// iterator for JSON objects -typename BasicJsonType::object_t::iterator object_iterator {}; -/// iterator for JSON arrays -typename BasicJsonType::array_t::iterator array_iterator {}; -/// generic iterator for all other types -primitive_iterator_t primitive_iterator {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - - -#include // iterator, random_access_iterator_tag, bidirectional_iterator_tag, advance, next -#include // conditional, is_const, remove_const - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -// forward declare, to be able to friend it later on -template class iteration_proxy; -template class iteration_proxy_value; - -/*! -@brief a template for a bidirectional iterator for the @ref basic_json class -This class implements a both iterators (iterator and const_iterator) for the -@ref basic_json class. -@note An iterator is called *initialized* when a pointer to a JSON value has - been set (e.g., by a constructor or a copy assignment). If the iterator is - default-constructed, it is *uninitialized* and most methods are undefined. - **The library uses assertions to detect calls on uninitialized iterators.** -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -@since version 1.0.0, simplified in version 2.0.9, change to bidirectional - iterators in version 3.0.0 (see https://github.com/nlohmann/json/issues/593) -*/ -template -class iter_impl -{ -/// allow basic_json to access private members -friend iter_impl::value, typename std::remove_const::type, const BasicJsonType>::type>; -friend BasicJsonType; -friend iteration_proxy; -friend iteration_proxy_value; - -using object_t = typename BasicJsonType::object_t; -using array_t = typename BasicJsonType::array_t; -// make sure BasicJsonType is basic_json or const basic_json -static_assert(is_basic_json::type>::value, -"iter_impl only accepts (const) basic_json"); - -public: - -/// The std::iterator class template (used as a base class to provide typedefs) is deprecated in C++17. -/// The C++ Standard has never required user-defined iterators to derive from std::iterator. -/// A user-defined iterator should provide publicly accessible typedefs named -/// iterator_category, value_type, difference_type, pointer, and reference. -/// Note that value_type is required to be non-const, even for constant iterators. -using iterator_category = std::bidirectional_iterator_tag; - -/// the type of the values when the iterator is dereferenced -using value_type = typename BasicJsonType::value_type; -/// a type to represent differences between iterators -using difference_type = typename BasicJsonType::difference_type; -/// defines a pointer to the type iterated over (value_type) -using pointer = typename std::conditional::value, -typename BasicJsonType::const_pointer, -typename BasicJsonType::pointer>::type; -/// defines a reference to the type iterated over (value_type) -using reference = -typename std::conditional::value, -typename BasicJsonType::const_reference, -typename BasicJsonType::reference>::type; - -/// default constructor -iter_impl() = default; - -/*! - @brief constructor for a given JSON instance - @param[in] object pointer to a JSON object for this iterator - @pre object != nullptr - @post The iterator is initialized; i.e. `m_object != nullptr`. - */ -explicit iter_impl(pointer object) noexcept : m_object(object) -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -m_it.object_iterator = typename object_t::iterator(); -break; -} - -case value_t::array: -{ -m_it.array_iterator = typename array_t::iterator(); -break; -} - -default: -{ -m_it.primitive_iterator = primitive_iterator_t(); -break; -} -} -} - -/*! - @note The conventional copy constructor and copy assignment are implicitly - defined. Combined with the following converting constructor and - assignment, they support: (1) copy from iterator to iterator, (2) - copy from const iterator to const iterator, and (3) conversion from - iterator to const iterator. However conversion from const iterator - to iterator is not defined. - */ - -/*! - @brief const copy constructor - @param[in] other const iterator to copy from - @note This copy constructor had to be defined explicitly to circumvent a bug - occurring on msvc v19.0 compiler (VS 2015) debug build. For more - information refer to: https://github.com/nlohmann/json/issues/1608 - */ -iter_impl(const iter_impl& other) noexcept -: m_object(other.m_object), m_it(other.m_it) -{} - -/*! - @brief converting assignment - @param[in] other const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ -iter_impl& operator=(const iter_impl& other) noexcept -{ -m_object = other.m_object; -m_it = other.m_it; -return *this; -} - -/*! - @brief converting constructor - @param[in] other non-const iterator to copy from - @note It is not checked whether @a other is initialized. - */ -iter_impl(const iter_impl::type>& other) noexcept -: m_object(other.m_object), m_it(other.m_it) -{} - -/*! - @brief converting assignment - @param[in] other non-const iterator to copy from - @return const/non-const iterator - @note It is not checked whether @a other is initialized. - */ -iter_impl& operator=(const iter_impl::type>& other) noexcept -{ -m_object = other.m_object; -m_it = other.m_it; -return *this; -} - -JSON_PRIVATE_UNLESS_TESTED: -/*! - @brief set the iterator to the first value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -void set_begin() noexcept -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -m_it.object_iterator = m_object->m_value.object->begin(); -break; -} - -case value_t::array: -{ -m_it.array_iterator = m_object->m_value.array->begin(); -break; -} - -case value_t::null: -{ -// set to end so begin()==end() is true: null is empty -m_it.primitive_iterator.set_end(); -break; -} - -default: -{ -m_it.primitive_iterator.set_begin(); -break; -} -} -} - -/*! - @brief set the iterator past the last value - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -void set_end() noexcept -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -m_it.object_iterator = m_object->m_value.object->end(); -break; -} - -case value_t::array: -{ -m_it.array_iterator = m_object->m_value.array->end(); -break; -} - -default: -{ -m_it.primitive_iterator.set_end(); -break; -} -} -} - -public: -/*! - @brief return a reference to the value pointed to by the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -reference operator*() const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); -return m_it.object_iterator->second; -} - -case value_t::array: -{ -JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); -return *m_it.array_iterator; -} - -case value_t::null: -JSON_THROW(invalid_iterator::create(214, "cannot get value")); - -default: -{ -if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) -{ -return *m_object; -} - -JSON_THROW(invalid_iterator::create(214, "cannot get value")); -} -} -} - -/*! - @brief dereference the iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -pointer operator->() const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -JSON_ASSERT(m_it.object_iterator != m_object->m_value.object->end()); -return &(m_it.object_iterator->second); -} - -case value_t::array: -{ -JSON_ASSERT(m_it.array_iterator != m_object->m_value.array->end()); -return &*m_it.array_iterator; -} - -default: -{ -if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin())) -{ -return m_object; -} - -JSON_THROW(invalid_iterator::create(214, "cannot get value")); -} -} -} - -/*! - @brief post-increment (it++) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl const operator++(int) -{ -auto result = *this; -++(*this); -return result; -} - -/*! - @brief pre-increment (++it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator++() -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -std::advance(m_it.object_iterator, 1); -break; -} - -case value_t::array: -{ -std::advance(m_it.array_iterator, 1); -break; -} - -default: -{ -++m_it.primitive_iterator; -break; -} -} - -return *this; -} - -/*! - @brief post-decrement (it--) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl const operator--(int) -{ -auto result = *this; ---(*this); -return result; -} - -/*! - @brief pre-decrement (--it) - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator--() -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -{ -std::advance(m_it.object_iterator, -1); -break; -} - -case value_t::array: -{ -std::advance(m_it.array_iterator, -1); -break; -} - -default: -{ ---m_it.primitive_iterator; -break; -} -} - -return *this; -} - -/*! - @brief comparison: equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator==(const iter_impl& other) const -{ -// if objects are not the same, the comparison is undefined -if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) -{ -JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); -} - -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -return (m_it.object_iterator == other.m_it.object_iterator); - -case value_t::array: -return (m_it.array_iterator == other.m_it.array_iterator); - -default: -return (m_it.primitive_iterator == other.m_it.primitive_iterator); -} -} - -/*! - @brief comparison: not equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator!=(const iter_impl& other) const -{ -return !operator==(other); -} - -/*! - @brief comparison: smaller - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator<(const iter_impl& other) const -{ -// if objects are not the same, the comparison is undefined -if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object)) -{ -JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers")); -} - -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators")); - -case value_t::array: -return (m_it.array_iterator < other.m_it.array_iterator); - -default: -return (m_it.primitive_iterator < other.m_it.primitive_iterator); -} -} - -/*! - @brief comparison: less than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator<=(const iter_impl& other) const -{ -return !other.operator < (*this); -} - -/*! - @brief comparison: greater than - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator>(const iter_impl& other) const -{ -return !operator<=(other); -} - -/*! - @brief comparison: greater than or equal - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -bool operator>=(const iter_impl& other) const -{ -return !operator<(other); -} - -/*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator+=(difference_type i) -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - -case value_t::array: -{ -std::advance(m_it.array_iterator, i); -break; -} - -default: -{ -m_it.primitive_iterator += i; -break; -} -} - -return *this; -} - -/*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl& operator-=(difference_type i) -{ -return operator+=(-i); -} - -/*! - @brief add to iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl operator+(difference_type i) const -{ -auto result = *this; -result += i; -return result; -} - -/*! - @brief addition of distance and iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -friend iter_impl operator+(difference_type i, const iter_impl& it) -{ -auto result = it; -result += i; -return result; -} - -/*! - @brief subtract from iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -iter_impl operator-(difference_type i) const -{ -auto result = *this; -result -= i; -return result; -} - -/*! - @brief return difference - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -difference_type operator-(const iter_impl& other) const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators")); - -case value_t::array: -return m_it.array_iterator - other.m_it.array_iterator; - -default: -return m_it.primitive_iterator - other.m_it.primitive_iterator; -} -} - -/*! - @brief access to successor - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -reference operator[](difference_type n) const -{ -JSON_ASSERT(m_object != nullptr); - -switch (m_object->m_type) -{ -case value_t::object: -JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators")); - -case value_t::array: -return *std::next(m_it.array_iterator, n); - -case value_t::null: -JSON_THROW(invalid_iterator::create(214, "cannot get value")); - -default: -{ -if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.get_value() == -n)) -{ -return *m_object; -} - -JSON_THROW(invalid_iterator::create(214, "cannot get value")); -} -} -} - -/*! - @brief return the key of an object iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -const typename object_t::key_type& key() const -{ -JSON_ASSERT(m_object != nullptr); - -if (JSON_HEDLEY_LIKELY(m_object->is_object())) -{ -return m_it.object_iterator->first; -} - -JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators")); -} - -/*! - @brief return the value of an iterator - @pre The iterator is initialized; i.e. `m_object != nullptr`. - */ -reference value() const -{ -return operator*(); -} - -JSON_PRIVATE_UNLESS_TESTED: -/// associated JSON instance -pointer m_object = nullptr; -/// the actual iterator of the associated instance -internal_iterator::type> m_it {}; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // ptrdiff_t -#include // reverse_iterator -#include // declval - -namespace nlohmann -{ -namespace detail -{ -////////////////////// -// reverse_iterator // -////////////////////// - -/*! -@brief a template for a reverse iterator class - -@tparam Base the base iterator type to reverse. Valid types are @ref -iterator (to create @ref reverse_iterator) and @ref const_iterator (to -create @ref const_reverse_iterator). - -@requirement The class satisfies the following concept requirements: -- -[BidirectionalIterator](https://en.cppreference.com/w/cpp/named_req/BidirectionalIterator): - The iterator that can be moved can be moved in both directions (i.e. - incremented and decremented). -- [OutputIterator](https://en.cppreference.com/w/cpp/named_req/OutputIterator): - It is possible to write to the pointed-to element (only if @a Base is - @ref iterator). - -@since version 1.0.0 -*/ -template -class json_reverse_iterator : public std::reverse_iterator -{ -public: -using difference_type = std::ptrdiff_t; -/// shortcut to the reverse iterator adapter -using base_iterator = std::reverse_iterator; -/// the reference type for the pointed-to element -using reference = typename Base::reference; - -/// create reverse iterator from iterator -explicit json_reverse_iterator(const typename base_iterator::iterator_type& it) noexcept -: base_iterator(it) {} - -/// create reverse iterator from base class -explicit json_reverse_iterator(const base_iterator& it) noexcept : base_iterator(it) {} - -/// post-increment (it++) -json_reverse_iterator const operator++(int) -{ -return static_cast(base_iterator::operator++(1)); -} - -/// pre-increment (++it) -json_reverse_iterator& operator++() -{ -return static_cast(base_iterator::operator++()); -} - -/// post-decrement (it--) -json_reverse_iterator const operator--(int) -{ -return static_cast(base_iterator::operator--(1)); -} - -/// pre-decrement (--it) -json_reverse_iterator& operator--() -{ -return static_cast(base_iterator::operator--()); -} - -/// add to iterator -json_reverse_iterator& operator+=(difference_type i) -{ -return static_cast(base_iterator::operator+=(i)); -} - -/// add to iterator -json_reverse_iterator operator+(difference_type i) const -{ -return static_cast(base_iterator::operator+(i)); -} - -/// subtract from iterator -json_reverse_iterator operator-(difference_type i) const -{ -return static_cast(base_iterator::operator-(i)); -} - -/// return difference -difference_type operator-(const json_reverse_iterator& other) const -{ -return base_iterator(*this) - base_iterator(other); -} - -/// access to successor -reference operator[](difference_type n) const -{ -return *(this->operator+(n)); -} - -/// return the key of an object iterator -auto key() const -> decltype(std::declval().key()) -{ -auto it = --this->base(); -return it.key(); -} - -/// return the value of an iterator -reference value() const -{ -auto it = --this->base(); -return it.operator * (); -} -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // all_of -#include // isdigit -#include // max -#include // accumulate -#include // string -#include // move -#include // vector - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -template -class json_pointer -{ -// allow basic_json to access private members -NLOHMANN_BASIC_JSON_TPL_DECLARATION -friend class basic_json; - -public: -/*! - @brief create JSON pointer - - Create a JSON pointer according to the syntax described in - [Section 3 of RFC6901](https://tools.ietf.org/html/rfc6901#section-3). - - @param[in] s string representing the JSON pointer; if omitted, the empty - string is assumed which references the whole JSON value - - @throw parse_error.107 if the given JSON pointer @a s is nonempty and does - not begin with a slash (`/`); see example below - - @throw parse_error.108 if a tilde (`~`) in the given JSON pointer @a s is - not followed by `0` (representing `~`) or `1` (representing `/`); see - example below - - @liveexample{The example shows the construction several valid JSON pointers - as well as the exceptional behavior.,json_pointer} - - @since version 2.0.0 - */ -explicit json_pointer(const std::string& s = "") -: reference_tokens(split(s)) -{} - -/*! - @brief return a string representation of the JSON pointer - - @invariant For each JSON pointer `ptr`, it holds: - @code {.cpp} - ptr == json_pointer(ptr.to_string()); - @endcode - - @return a string representation of the JSON pointer - - @liveexample{The example shows the result of `to_string`.,json_pointer__to_string} - - @since version 2.0.0 - */ -std::string to_string() const -{ -return std::accumulate(reference_tokens.begin(), reference_tokens.end(), -std::string{}, -[](const std::string & a, const std::string & b) -{ -return a + "/" + escape(b); -}); -} - -/// @copydoc to_string() -operator std::string() const -{ -return to_string(); -} - -/*! - @brief append another JSON pointer at the end of this JSON pointer - - @param[in] ptr JSON pointer to append - @return JSON pointer with @a ptr appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, const json_pointer&) for a binary operator - - @since version 3.6.0 - */ -json_pointer& operator/=(const json_pointer& ptr) -{ -reference_tokens.insert(reference_tokens.end(), -ptr.reference_tokens.begin(), -ptr.reference_tokens.end()); -return *this; -} - -/*! - @brief append an unescaped reference token at the end of this JSON pointer - - @param[in] token reference token to append - @return JSON pointer with @a token appended without escaping @a token - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::size_t) to append an array index - @sa @ref operator/(const json_pointer&, std::size_t) for a binary operator - - @since version 3.6.0 - */ -json_pointer& operator/=(std::string token) -{ -push_back(std::move(token)); -return *this; -} - -/*! - @brief append an array index at the end of this JSON pointer - - @param[in] array_idx array index to append - @return JSON pointer with @a array_idx appended - - @liveexample{The example shows the usage of `operator/=`.,json_pointer__operator_add} - - @complexity Amortized constant. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - @sa @ref operator/=(std::string) to append a reference token - @sa @ref operator/(const json_pointer&, std::string) for a binary operator - - @since version 3.6.0 - */ -json_pointer& operator/=(std::size_t array_idx) -{ -return *this /= std::to_string(array_idx); -} - -/*! - @brief create a new JSON pointer by appending the right JSON pointer at the end of the left JSON pointer - - @param[in] lhs JSON pointer - @param[in] rhs JSON pointer - @return a new JSON pointer with @a rhs appended to @a lhs - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a lhs and @a rhs. - - @sa @ref operator/=(const json_pointer&) to append a JSON pointer - - @since version 3.6.0 - */ -friend json_pointer operator/(const json_pointer& lhs, -const json_pointer& rhs) -{ -return json_pointer(lhs) /= rhs; -} - -/*! - @brief create a new JSON pointer by appending the unescaped token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] token reference token - @return a new JSON pointer with unescaped @a token appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::string) to append a reference token - - @since version 3.6.0 - */ -friend json_pointer operator/(const json_pointer& ptr, std::string token) -{ -return json_pointer(ptr) /= std::move(token); -} - -/*! - @brief create a new JSON pointer by appending the array-index-token at the end of the JSON pointer - - @param[in] ptr JSON pointer - @param[in] array_idx array index - @return a new JSON pointer with @a array_idx appended to @a ptr - - @liveexample{The example shows the usage of `operator/`.,json_pointer__operator_add_binary} - - @complexity Linear in the length of @a ptr. - - @sa @ref operator/=(std::size_t) to append an array index - - @since version 3.6.0 - */ -friend json_pointer operator/(const json_pointer& ptr, std::size_t array_idx) -{ -return json_pointer(ptr) /= array_idx; -} - -/*! - @brief returns the parent of this JSON pointer - - @return parent of this JSON pointer; in case this JSON pointer is the root, - the root itself is returned - - @complexity Linear in the length of the JSON pointer. - - @liveexample{The example shows the result of `parent_pointer` for different - JSON Pointers.,json_pointer__parent_pointer} - - @since version 3.6.0 - */ -json_pointer parent_pointer() const -{ -if (empty()) -{ -return *this; -} - -json_pointer res = *this; -res.pop_back(); -return res; -} - -/*! - @brief remove last reference token - - @pre not `empty()` - - @liveexample{The example shows the usage of `pop_back`.,json_pointer__pop_back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ -void pop_back() -{ -if (JSON_HEDLEY_UNLIKELY(empty())) -{ -JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); -} - -reference_tokens.pop_back(); -} - -/*! - @brief return last reference token - - @pre not `empty()` - @return last reference token - - @liveexample{The example shows the usage of `back`.,json_pointer__back} - - @complexity Constant. - - @throw out_of_range.405 if JSON pointer has no parent - - @since version 3.6.0 - */ -const std::string& back() const -{ -if (JSON_HEDLEY_UNLIKELY(empty())) -{ -JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); -} - -return reference_tokens.back(); -} - -/*! - @brief append an unescaped token at the end of the reference pointer - - @param[in] token token to add - - @complexity Amortized constant. - - @liveexample{The example shows the result of `push_back` for different - JSON Pointers.,json_pointer__push_back} - - @since version 3.6.0 - */ -void push_back(const std::string& token) -{ -reference_tokens.push_back(token); -} - -/// @copydoc push_back(const std::string&) -void push_back(std::string&& token) -{ -reference_tokens.push_back(std::move(token)); -} - -/*! - @brief return whether pointer points to the root document - - @return true iff the JSON pointer points to the root document - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example shows the result of `empty` for different JSON - Pointers.,json_pointer__empty} - - @since version 3.6.0 - */ -bool empty() const noexcept -{ -return reference_tokens.empty(); -} - -private: -/*! - @param[in] s reference token to be converted into an array index - - @return integer representation of @a s - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index begins not with a digit - @throw out_of_range.404 if string @a s could not be converted to an integer - @throw out_of_range.410 if an array index exceeds size_type - */ -static typename BasicJsonType::size_type array_index(const std::string& s) -{ -using size_type = typename BasicJsonType::size_type; - -// error condition (cf. RFC 6901, Sect. 4) -if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && s[0] == '0')) -{ -JSON_THROW(detail::parse_error::create(106, 0, -"array index '" + s + -"' must not begin with '0'")); -} - -// error condition (cf. RFC 6901, Sect. 4) -if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && !(s[0] >= '1' && s[0] <= '9'))) -{ -JSON_THROW(detail::parse_error::create(109, 0, "array index '" + s + "' is not a number")); -} - -std::size_t processed_chars = 0; -unsigned long long res = 0; -JSON_TRY -{ -res = std::stoull(s, &processed_chars); -} -JSON_CATCH(std::out_of_range&) -{ -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); -} - -// check if the string was completely read -if (JSON_HEDLEY_UNLIKELY(processed_chars != s.size())) -{ -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'")); -} - -// only triggered on special platforms (like 32bit), see also -// https://github.com/nlohmann/json/pull/2203 -if (res >= static_cast((std::numeric_limits::max)())) -{ -JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type")); // LCOV_EXCL_LINE -} - -return static_cast(res); -} - -JSON_PRIVATE_UNLESS_TESTED: -json_pointer top() const -{ -if (JSON_HEDLEY_UNLIKELY(empty())) -{ -JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent")); -} - -json_pointer result = *this; -result.reference_tokens = {reference_tokens[0]}; -return result; -} - -private: -/*! - @brief create and return a reference to the pointed to value - - @complexity Linear in the number of reference tokens. - - @throw parse_error.109 if array index is not a number - @throw type_error.313 if value cannot be unflattened - */ -BasicJsonType& get_and_create(BasicJsonType& j) const -{ -auto result = &j; - -// in case no reference tokens exist, return a reference to the JSON value -// j which will be overwritten by a primitive value -for (const auto& reference_token : reference_tokens) -{ -switch (result->type()) -{ -case detail::value_t::null: -{ -if (reference_token == "0") -{ -// start a new array if reference token is 0 -result = &result->operator[](0); -} -else -{ -// start a new object otherwise -result = &result->operator[](reference_token); -} -break; -} - -case detail::value_t::object: -{ -// create an entry in the object -result = &result->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -// create an entry in the array -result = &result->operator[](array_index(reference_token)); -break; -} - -/* - The following code is only reached if there exists a reference - token _and_ the current value is primitive. In this case, we have - an error situation, because primitive values may only occur as - single value; that is, with an empty list of reference tokens. - */ -default: -JSON_THROW(detail::type_error::create(313, "invalid value to unflatten")); -} -} - -return *result; -} - -/*! - @brief return a reference to the pointed to value - - @note This version does not throw if a value is not present, but tries to - create nested values instead. For instance, calling this function - with pointer `"/this/that"` on a null value is equivalent to calling - `operator[]("this").operator[]("that")` on that value, effectively - changing the null value to an object. - - @param[in] ptr a JSON value - - @return reference to the JSON value pointed to by the JSON pointer - - @complexity Linear in the length of the JSON pointer. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -BasicJsonType& get_unchecked(BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -// convert null values to arrays or objects before continuing -if (ptr->is_null()) -{ -// check if reference token is a number -const bool nums = -std::all_of(reference_token.begin(), reference_token.end(), -[](const unsigned char x) -{ -return std::isdigit(x); -}); - -// change value to array for numbers or "-" or to object otherwise -*ptr = (nums || reference_token == "-") -? detail::value_t::array -: detail::value_t::object; -} - -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// use unchecked object access -ptr = &ptr->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -if (reference_token == "-") -{ -// explicitly treat "-" as index beyond the end -ptr = &ptr->operator[](ptr->m_value.array->size()); -} -else -{ -// convert array index to number; unchecked access -ptr = &ptr->operator[](array_index(reference_token)); -} -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -BasicJsonType& get_checked(BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// note: at performs range check -ptr = &ptr->at(reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" always fails the range check -JSON_THROW(detail::out_of_range::create(402, -"array index '-' (" + std::to_string(ptr->m_value.array->size()) + -") is out of range")); -} - -// note: at performs range check -ptr = &ptr->at(array_index(reference_token)); -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @brief return a const reference to the pointed to value - - @param[in] ptr a JSON value - - @return const reference to the JSON value pointed to by the JSON - pointer - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -const BasicJsonType& get_unchecked(const BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// use unchecked object access -ptr = &ptr->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" cannot be used for const access -JSON_THROW(detail::out_of_range::create(402, -"array index '-' (" + std::to_string(ptr->m_value.array->size()) + -") is out of range")); -} - -// use unchecked array access -ptr = &ptr->operator[](array_index(reference_token)); -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - */ -const BasicJsonType& get_checked(const BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -// note: at performs range check -ptr = &ptr->at(reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" always fails the range check -JSON_THROW(detail::out_of_range::create(402, -"array index '-' (" + std::to_string(ptr->m_value.array->size()) + -") is out of range")); -} - -// note: at performs range check -ptr = &ptr->at(array_index(reference_token)); -break; -} - -default: -JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'")); -} -} - -return *ptr; -} - -/*! - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - */ -bool contains(const BasicJsonType* ptr) const -{ -for (const auto& reference_token : reference_tokens) -{ -switch (ptr->type()) -{ -case detail::value_t::object: -{ -if (!ptr->contains(reference_token)) -{ -// we did not find the key in the object -return false; -} - -ptr = &ptr->operator[](reference_token); -break; -} - -case detail::value_t::array: -{ -if (JSON_HEDLEY_UNLIKELY(reference_token == "-")) -{ -// "-" always fails the range check -return false; -} -if (JSON_HEDLEY_UNLIKELY(reference_token.size() == 1 && !("0" <= reference_token && reference_token <= "9"))) -{ -// invalid char -return false; -} -if (JSON_HEDLEY_UNLIKELY(reference_token.size() > 1)) -{ -if (JSON_HEDLEY_UNLIKELY(!('1' <= reference_token[0] && reference_token[0] <= '9'))) -{ -// first char should be between '1' and '9' -return false; -} -for (std::size_t i = 1; i < reference_token.size(); i++) -{ -if (JSON_HEDLEY_UNLIKELY(!('0' <= reference_token[i] && reference_token[i] <= '9'))) -{ -// other char should be between '0' and '9' -return false; -} -} -} - -const auto idx = array_index(reference_token); -if (idx >= ptr->size()) -{ -// index out of range -return false; -} - -ptr = &ptr->operator[](idx); -break; -} - -default: -{ -// we do not expect primitive values if there is still a -// reference token to process -return false; -} -} -} - -// no reference token left means we found a primitive value -return true; -} - -/*! - @brief split the string input to reference tokens - - @note This function is only called by the json_pointer constructor. - All exceptions below are documented there. - - @throw parse_error.107 if the pointer is not empty or begins with '/' - @throw parse_error.108 if character '~' is not followed by '0' or '1' - */ -static std::vector split(const std::string& reference_string) -{ -std::vector result; - -// special case: empty reference string -> no reference tokens -if (reference_string.empty()) -{ -return result; -} - -// check if nonempty reference string begins with slash -if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/')) -{ -JSON_THROW(detail::parse_error::create(107, 1, -"JSON pointer must be empty or begin with '/' - was: '" + -reference_string + "'")); -} - -// extract the reference tokens: -// - slash: position of the last read slash (or end of string) -// - start: position after the previous slash -for ( -// search for the first slash after the first character -std::size_t slash = reference_string.find_first_of('/', 1), -// set the beginning of the first reference token -start = 1; -// we can stop if start == 0 (if slash == std::string::npos) -start != 0; -// set the beginning of the next reference token -// (will eventually be 0 if slash == std::string::npos) -start = (slash == std::string::npos) ? 0 : slash + 1, -// find next slash -slash = reference_string.find_first_of('/', start)) -{ -// use the text between the beginning of the reference token -// (start) and the last slash (slash). -auto reference_token = reference_string.substr(start, slash - start); - -// check reference tokens are properly escaped -for (std::size_t pos = reference_token.find_first_of('~'); -pos != std::string::npos; -pos = reference_token.find_first_of('~', pos + 1)) -{ -JSON_ASSERT(reference_token[pos] == '~'); - -// ~ must be followed by 0 or 1 -if (JSON_HEDLEY_UNLIKELY(pos == reference_token.size() - 1 || -(reference_token[pos + 1] != '0' && -reference_token[pos + 1] != '1'))) -{ -JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'")); -} -} - -// finally, store the reference token -unescape(reference_token); -result.push_back(reference_token); -} - -return result; -} - -/*! - @brief replace all occurrences of a substring by another string - - @param[in,out] s the string to manipulate; changed so that all - occurrences of @a f are replaced with @a t - @param[in] f the substring to replace with @a t - @param[in] t the string to replace @a f - - @pre The search string @a f must not be empty. **This precondition is - enforced with an assertion.** - - @since version 2.0.0 - */ -static void replace_substring(std::string& s, const std::string& f, -const std::string& t) -{ -JSON_ASSERT(!f.empty()); -for (auto pos = s.find(f); // find first occurrence of f -pos != std::string::npos; // make sure f was found -s.replace(pos, f.size(), t), // replace with t, and -pos = s.find(f, pos + t.size())) // find next occurrence of f -{} -} - -JSON_PRIVATE_UNLESS_TESTED: -/// escape "~" to "~0" and "/" to "~1" -static std::string escape(std::string s) -{ -replace_substring(s, "~", "~0"); -replace_substring(s, "/", "~1"); -return s; -} - -/// unescape "~1" to tilde and "~0" to slash (order is important!) -static void unescape(std::string& s) -{ -replace_substring(s, "~1", "/"); -replace_substring(s, "~0", "~"); -} - -private: -/*! - @param[in] reference_string the reference string to the current value - @param[in] value the value to consider - @param[in,out] result the result object to insert values to - - @note Empty objects or arrays are flattened to `null`. - */ -static void flatten(const std::string& reference_string, -const BasicJsonType& value, -BasicJsonType& result) -{ -switch (value.type()) -{ -case detail::value_t::array: -{ -if (value.m_value.array->empty()) -{ -// flatten empty array as null -result[reference_string] = nullptr; -} -else -{ -// iterate array and use index as reference string -for (std::size_t i = 0; i < value.m_value.array->size(); ++i) -{ -flatten(reference_string + "/" + std::to_string(i), -value.m_value.array->operator[](i), result); -} -} -break; -} - -case detail::value_t::object: -{ -if (value.m_value.object->empty()) -{ -// flatten empty object as null -result[reference_string] = nullptr; -} -else -{ -// iterate object and use keys as reference string -for (const auto& element : *value.m_value.object) -{ -flatten(reference_string + "/" + escape(element.first), element.second, result); -} -} -break; -} - -default: -{ -// add primitive value with its reference string -result[reference_string] = value; -break; -} -} -} - -/*! - @param[in] value flattened JSON - - @return unflattened JSON - - @throw parse_error.109 if array index is not a number - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - @throw type_error.313 if value cannot be unflattened - */ -static BasicJsonType -unflatten(const BasicJsonType& value) -{ -if (JSON_HEDLEY_UNLIKELY(!value.is_object())) -{ -JSON_THROW(detail::type_error::create(314, "only objects can be unflattened")); -} - -BasicJsonType result; - -// iterate the JSON object values -for (const auto& element : *value.m_value.object) -{ -if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive())) -{ -JSON_THROW(detail::type_error::create(315, "values in object must be primitive")); -} - -// assign value to reference pointed to by JSON pointer; Note that if -// the JSON pointer is "" (i.e., points to the whole value), function -// get_and_create returns a reference to result itself. An assignment -// will then create a primitive value. -json_pointer(element.first).get_and_create(result) = element.second; -} - -return result; -} - -/*! - @brief compares two JSON pointers for equality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is equal to @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ -friend bool operator==(json_pointer const& lhs, -json_pointer const& rhs) noexcept -{ -return lhs.reference_tokens == rhs.reference_tokens; -} - -/*! - @brief compares two JSON pointers for inequality - - @param[in] lhs JSON pointer to compare - @param[in] rhs JSON pointer to compare - @return whether @a lhs is not equal @a rhs - - @complexity Linear in the length of the JSON pointer - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - */ -friend bool operator!=(json_pointer const& lhs, -json_pointer const& rhs) noexcept -{ -return !(lhs == rhs); -} - -/// the reference tokens -std::vector reference_tokens; -}; -} // namespace nlohmann - -// #include - - -#include -#include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -template -class json_ref -{ -public: -using value_type = BasicJsonType; - -json_ref(value_type&& value) -: owned_value(std::move(value)) -{} - -json_ref(const value_type& value) -: value_ref(&value) -{} - -json_ref(std::initializer_list init) -: owned_value(init) -{} - -template < -class... Args, -enable_if_t::value, int> = 0 > -json_ref(Args && ... args) -: owned_value(std::forward(args)...) -{} - -// class should be movable only -json_ref(json_ref&&) = default; -json_ref(const json_ref&) = delete; -json_ref& operator=(const json_ref&) = delete; -json_ref& operator=(json_ref&&) = delete; -~json_ref() = default; - -value_type moved_or_copied() const -{ -if (value_ref == nullptr) -{ -return std::move(owned_value); -} -return *value_ref; -} - -value_type const& operator*() const -{ -return value_ref ? *value_ref : owned_value; -} - -value_type const* operator->() const -{ -return &** this; -} - -private: -mutable value_type owned_value = nullptr; -value_type const* value_ref = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - - -#include // reverse -#include // array -#include // uint8_t, uint16_t, uint32_t, uint64_t -#include // memcpy -#include // numeric_limits -#include // string -#include // isnan, isinf - -// #include - -// #include - -// #include - - -#include // copy -#include // size_t -#include // streamsize -#include // back_inserter -#include // shared_ptr, make_shared -#include // basic_ostream -#include // basic_string -#include // vector -// #include - - -namespace nlohmann -{ -namespace detail -{ -/// abstract output adapter interface -template struct output_adapter_protocol -{ -virtual void write_character(CharType c) = 0; -virtual void write_characters(const CharType* s, std::size_t length) = 0; -virtual ~output_adapter_protocol() = default; -}; - -/// a type to simplify interfaces -template -using output_adapter_t = std::shared_ptr>; - -/// output adapter for byte vectors -template -class output_vector_adapter : public output_adapter_protocol -{ -public: -explicit output_vector_adapter(std::vector& vec) noexcept -: v(vec) -{} - -void write_character(CharType c) override -{ -v.push_back(c); -} - -JSON_HEDLEY_NON_NULL(2) -void write_characters(const CharType* s, std::size_t length) override -{ -std::copy(s, s + length, std::back_inserter(v)); -} - -private: -std::vector& v; -}; - -/// output adapter for output streams -template -class output_stream_adapter : public output_adapter_protocol -{ -public: -explicit output_stream_adapter(std::basic_ostream& s) noexcept -: stream(s) -{} - -void write_character(CharType c) override -{ -stream.put(c); -} - -JSON_HEDLEY_NON_NULL(2) -void write_characters(const CharType* s, std::size_t length) override -{ -stream.write(s, static_cast(length)); -} - -private: -std::basic_ostream& stream; -}; - -/// output adapter for basic_string -template> -class output_string_adapter : public output_adapter_protocol -{ -public: -explicit output_string_adapter(StringType& s) noexcept -: str(s) -{} - -void write_character(CharType c) override -{ -str.push_back(c); -} - -JSON_HEDLEY_NON_NULL(2) -void write_characters(const CharType* s, std::size_t length) override -{ -str.append(s, length); -} - -private: -StringType& str; -}; - -template> -class output_adapter -{ -public: -output_adapter(std::vector& vec) -: oa(std::make_shared>(vec)) {} - -output_adapter(std::basic_ostream& s) -: oa(std::make_shared>(s)) {} - -output_adapter(StringType& s) -: oa(std::make_shared>(s)) {} - -operator output_adapter_t() -{ -return oa; -} - -private: -output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// binary writer // -/////////////////// - -/*! -@brief serialization to CBOR and MessagePack values -*/ -template -class binary_writer -{ -using string_t = typename BasicJsonType::string_t; -using binary_t = typename BasicJsonType::binary_t; -using number_float_t = typename BasicJsonType::number_float_t; - -public: -/*! - @brief create a binary writer - - @param[in] adapter output adapter to write to - */ -explicit binary_writer(output_adapter_t adapter) : oa(adapter) -{ -JSON_ASSERT(oa); -} - -/*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ -void write_bson(const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::object: -{ -write_bson_object(*j.m_value.object); -break; -} - -default: -{ -JSON_THROW(type_error::create(317, "to serialize to BSON, top-level type must be object, but is " + std::string(j.type_name()))); -} -} -} - -/*! - @param[in] j JSON value to serialize - */ -void write_cbor(const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::null: -{ -oa->write_character(to_char_type(0xF6)); -break; -} - -case value_t::boolean: -{ -oa->write_character(j.m_value.boolean -? to_char_type(0xF5) -: to_char_type(0xF4)); -break; -} - -case value_t::number_integer: -{ -if (j.m_value.number_integer >= 0) -{ -// CBOR does not differentiate between positive signed -// integers and unsigned integers. Therefore, we used the -// code from the value_t::number_unsigned case here. -if (j.m_value.number_integer <= 0x17) -{ -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x18)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x19)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x1A)); -write_number(static_cast(j.m_value.number_integer)); -} -else -{ -oa->write_character(to_char_type(0x1B)); -write_number(static_cast(j.m_value.number_integer)); -} -} -else -{ -// The conversions below encode the sign in the first -// byte, and the value is converted to a positive number. -const auto positive_number = -1 - j.m_value.number_integer; -if (j.m_value.number_integer >= -24) -{ -write_number(static_cast(0x20 + positive_number)); -} -else if (positive_number <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x38)); -write_number(static_cast(positive_number)); -} -else if (positive_number <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x39)); -write_number(static_cast(positive_number)); -} -else if (positive_number <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x3A)); -write_number(static_cast(positive_number)); -} -else -{ -oa->write_character(to_char_type(0x3B)); -write_number(static_cast(positive_number)); -} -} -break; -} - -case value_t::number_unsigned: -{ -if (j.m_value.number_unsigned <= 0x17) -{ -write_number(static_cast(j.m_value.number_unsigned)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x18)); -write_number(static_cast(j.m_value.number_unsigned)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x19)); -write_number(static_cast(j.m_value.number_unsigned)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x1A)); -write_number(static_cast(j.m_value.number_unsigned)); -} -else -{ -oa->write_character(to_char_type(0x1B)); -write_number(static_cast(j.m_value.number_unsigned)); -} -break; -} - -case value_t::number_float: -{ -if (std::isnan(j.m_value.number_float)) -{ -// NaN is 0xf97e00 in CBOR -oa->write_character(to_char_type(0xF9)); -oa->write_character(to_char_type(0x7E)); -oa->write_character(to_char_type(0x00)); -} -else if (std::isinf(j.m_value.number_float)) -{ -// Infinity is 0xf97c00, -Infinity is 0xf9fc00 -oa->write_character(to_char_type(0xf9)); -oa->write_character(j.m_value.number_float > 0 ? to_char_type(0x7C) : to_char_type(0xFC)); -oa->write_character(to_char_type(0x00)); -} -else -{ -write_compact_float(j.m_value.number_float, detail::input_format_t::cbor); -} -break; -} - -case value_t::string: -{ -// step 1: write control byte and the string length -const auto N = j.m_value.string->size(); -if (N <= 0x17) -{ -write_number(static_cast(0x60 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x78)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x79)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x7A)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x7B)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write the string -oa->write_characters( -reinterpret_cast(j.m_value.string->c_str()), -j.m_value.string->size()); -break; -} - -case value_t::array: -{ -// step 1: write control byte and the array size -const auto N = j.m_value.array->size(); -if (N <= 0x17) -{ -write_number(static_cast(0x80 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x98)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x99)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x9A)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x9B)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write each element -for (const auto& el : *j.m_value.array) -{ -write_cbor(el); -} -break; -} - -case value_t::binary: -{ -if (j.m_value.binary->has_subtype()) -{ -write_number(static_cast(0xd8)); -write_number(j.m_value.binary->subtype()); -} - -// step 1: write control byte and the binary array size -const auto N = j.m_value.binary->size(); -if (N <= 0x17) -{ -write_number(static_cast(0x40 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x58)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x59)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x5A)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0x5B)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write each element -oa->write_characters( -reinterpret_cast(j.m_value.binary->data()), -N); - -break; -} - -case value_t::object: -{ -// step 1: write control byte and the object size -const auto N = j.m_value.object->size(); -if (N <= 0x17) -{ -write_number(static_cast(0xA0 + N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xB8)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xB9)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xBA)); -write_number(static_cast(N)); -} -// LCOV_EXCL_START -else if (N <= (std::numeric_limits::max)()) -{ -oa->write_character(to_char_type(0xBB)); -write_number(static_cast(N)); -} -// LCOV_EXCL_STOP - -// step 2: write each element -for (const auto& el : *j.m_value.object) -{ -write_cbor(el.first); -write_cbor(el.second); -} -break; -} - -default: -break; -} -} - -/*! - @param[in] j JSON value to serialize - */ -void write_msgpack(const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::null: // nil -{ -oa->write_character(to_char_type(0xC0)); -break; -} - -case value_t::boolean: // true and false -{ -oa->write_character(j.m_value.boolean -? to_char_type(0xC3) -: to_char_type(0xC2)); -break; -} - -case value_t::number_integer: -{ -if (j.m_value.number_integer >= 0) -{ -// MessagePack does not differentiate between positive -// signed integers and unsigned integers. Therefore, we used -// the code from the value_t::number_unsigned case here. -if (j.m_value.number_unsigned < 128) -{ -// positive fixnum -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 8 -oa->write_character(to_char_type(0xCC)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 16 -oa->write_character(to_char_type(0xCD)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 32 -oa->write_character(to_char_type(0xCE)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 64 -oa->write_character(to_char_type(0xCF)); -write_number(static_cast(j.m_value.number_integer)); -} -} -else -{ -if (j.m_value.number_integer >= -32) -{ -// negative fixnum -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 8 -oa->write_character(to_char_type(0xD0)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 16 -oa->write_character(to_char_type(0xD1)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 32 -oa->write_character(to_char_type(0xD2)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_integer >= (std::numeric_limits::min)() && -j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -// int 64 -oa->write_character(to_char_type(0xD3)); -write_number(static_cast(j.m_value.number_integer)); -} -} -break; -} - -case value_t::number_unsigned: -{ -if (j.m_value.number_unsigned < 128) -{ -// positive fixnum -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 8 -oa->write_character(to_char_type(0xCC)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 16 -oa->write_character(to_char_type(0xCD)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 32 -oa->write_character(to_char_type(0xCE)); -write_number(static_cast(j.m_value.number_integer)); -} -else if (j.m_value.number_unsigned <= (std::numeric_limits::max)()) -{ -// uint 64 -oa->write_character(to_char_type(0xCF)); -write_number(static_cast(j.m_value.number_integer)); -} -break; -} - -case value_t::number_float: -{ -write_compact_float(j.m_value.number_float, detail::input_format_t::msgpack); -break; -} - -case value_t::string: -{ -// step 1: write control byte and the string length -const auto N = j.m_value.string->size(); -if (N <= 31) -{ -// fixstr -write_number(static_cast(0xA0 | N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// str 8 -oa->write_character(to_char_type(0xD9)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// str 16 -oa->write_character(to_char_type(0xDA)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// str 32 -oa->write_character(to_char_type(0xDB)); -write_number(static_cast(N)); -} - -// step 2: write the string -oa->write_characters( -reinterpret_cast(j.m_value.string->c_str()), -j.m_value.string->size()); -break; -} - -case value_t::array: -{ -// step 1: write control byte and the array size -const auto N = j.m_value.array->size(); -if (N <= 15) -{ -// fixarray -write_number(static_cast(0x90 | N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// array 16 -oa->write_character(to_char_type(0xDC)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// array 32 -oa->write_character(to_char_type(0xDD)); -write_number(static_cast(N)); -} - -// step 2: write each element -for (const auto& el : *j.m_value.array) -{ -write_msgpack(el); -} -break; -} - -case value_t::binary: -{ -// step 0: determine if the binary type has a set subtype to -// determine whether or not to use the ext or fixext types -const bool use_ext = j.m_value.binary->has_subtype(); - -// step 1: write control byte and the byte string length -const auto N = j.m_value.binary->size(); -if (N <= (std::numeric_limits::max)()) -{ -std::uint8_t output_type{}; -bool fixed = true; -if (use_ext) -{ -switch (N) -{ -case 1: -output_type = 0xD4; // fixext 1 -break; -case 2: -output_type = 0xD5; // fixext 2 -break; -case 4: -output_type = 0xD6; // fixext 4 -break; -case 8: -output_type = 0xD7; // fixext 8 -break; -case 16: -output_type = 0xD8; // fixext 16 -break; -default: -output_type = 0xC7; // ext 8 -fixed = false; -break; -} - -} -else -{ -output_type = 0xC4; // bin 8 -fixed = false; -} - -oa->write_character(to_char_type(output_type)); -if (!fixed) -{ -write_number(static_cast(N)); -} -} -else if (N <= (std::numeric_limits::max)()) -{ -std::uint8_t output_type = use_ext -? 0xC8 // ext 16 -: 0xC5; // bin 16 - -oa->write_character(to_char_type(output_type)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -std::uint8_t output_type = use_ext -? 0xC9 // ext 32 -: 0xC6; // bin 32 - -oa->write_character(to_char_type(output_type)); -write_number(static_cast(N)); -} - -// step 1.5: if this is an ext type, write the subtype -if (use_ext) -{ -write_number(static_cast(j.m_value.binary->subtype())); -} - -// step 2: write the byte string -oa->write_characters( -reinterpret_cast(j.m_value.binary->data()), -N); - -break; -} - -case value_t::object: -{ -// step 1: write control byte and the object size -const auto N = j.m_value.object->size(); -if (N <= 15) -{ -// fixmap -write_number(static_cast(0x80 | (N & 0xF))); -} -else if (N <= (std::numeric_limits::max)()) -{ -// map 16 -oa->write_character(to_char_type(0xDE)); -write_number(static_cast(N)); -} -else if (N <= (std::numeric_limits::max)()) -{ -// map 32 -oa->write_character(to_char_type(0xDF)); -write_number(static_cast(N)); -} - -// step 2: write each element -for (const auto& el : *j.m_value.object) -{ -write_msgpack(el.first); -write_msgpack(el.second); -} -break; -} - -default: -break; -} -} - -/*! - @param[in] j JSON value to serialize - @param[in] use_count whether to use '#' prefixes (optimized format) - @param[in] use_type whether to use '$' prefixes (optimized format) - @param[in] add_prefix whether prefixes need to be used for this value - */ -void write_ubjson(const BasicJsonType& j, const bool use_count, -const bool use_type, const bool add_prefix = true) -{ -switch (j.type()) -{ -case value_t::null: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('Z')); -} -break; -} - -case value_t::boolean: -{ -if (add_prefix) -{ -oa->write_character(j.m_value.boolean -? to_char_type('T') -: to_char_type('F')); -} -break; -} - -case value_t::number_integer: -{ -write_number_with_ubjson_prefix(j.m_value.number_integer, add_prefix); -break; -} - -case value_t::number_unsigned: -{ -write_number_with_ubjson_prefix(j.m_value.number_unsigned, add_prefix); -break; -} - -case value_t::number_float: -{ -write_number_with_ubjson_prefix(j.m_value.number_float, add_prefix); -break; -} - -case value_t::string: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('S')); -} -write_number_with_ubjson_prefix(j.m_value.string->size(), true); -oa->write_characters( -reinterpret_cast(j.m_value.string->c_str()), -j.m_value.string->size()); -break; -} - -case value_t::array: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('[')); -} - -bool prefix_required = true; -if (use_type && !j.m_value.array->empty()) -{ -JSON_ASSERT(use_count); -const CharType first_prefix = ubjson_prefix(j.front()); -const bool same_prefix = std::all_of(j.begin() + 1, j.end(), -[this, first_prefix](const BasicJsonType & v) -{ -return ubjson_prefix(v) == first_prefix; -}); - -if (same_prefix) -{ -prefix_required = false; -oa->write_character(to_char_type('$')); -oa->write_character(first_prefix); -} -} - -if (use_count) -{ -oa->write_character(to_char_type('#')); -write_number_with_ubjson_prefix(j.m_value.array->size(), true); -} - -for (const auto& el : *j.m_value.array) -{ -write_ubjson(el, use_count, use_type, prefix_required); -} - -if (!use_count) -{ -oa->write_character(to_char_type(']')); -} - -break; -} - -case value_t::binary: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('[')); -} - -if (use_type && !j.m_value.binary->empty()) -{ -JSON_ASSERT(use_count); -oa->write_character(to_char_type('$')); -oa->write_character('U'); -} - -if (use_count) -{ -oa->write_character(to_char_type('#')); -write_number_with_ubjson_prefix(j.m_value.binary->size(), true); -} - -if (use_type) -{ -oa->write_characters( -reinterpret_cast(j.m_value.binary->data()), -j.m_value.binary->size()); -} -else -{ -for (size_t i = 0; i < j.m_value.binary->size(); ++i) -{ -oa->write_character(to_char_type('U')); -oa->write_character(j.m_value.binary->data()[i]); -} -} - -if (!use_count) -{ -oa->write_character(to_char_type(']')); -} - -break; -} - -case value_t::object: -{ -if (add_prefix) -{ -oa->write_character(to_char_type('{')); -} - -bool prefix_required = true; -if (use_type && !j.m_value.object->empty()) -{ -JSON_ASSERT(use_count); -const CharType first_prefix = ubjson_prefix(j.front()); -const bool same_prefix = std::all_of(j.begin(), j.end(), -[this, first_prefix](const BasicJsonType & v) -{ -return ubjson_prefix(v) == first_prefix; -}); - -if (same_prefix) -{ -prefix_required = false; -oa->write_character(to_char_type('$')); -oa->write_character(first_prefix); -} -} - -if (use_count) -{ -oa->write_character(to_char_type('#')); -write_number_with_ubjson_prefix(j.m_value.object->size(), true); -} - -for (const auto& el : *j.m_value.object) -{ -write_number_with_ubjson_prefix(el.first.size(), true); -oa->write_characters( -reinterpret_cast(el.first.c_str()), -el.first.size()); -write_ubjson(el.second, use_count, use_type, prefix_required); -} - -if (!use_count) -{ -oa->write_character(to_char_type('}')); -} - -break; -} - -default: -break; -} -} - -private: -////////// -// BSON // -////////// - -/*! - @return The size of a BSON document entry header, including the id marker - and the entry name size (and its null-terminator). - */ -static std::size_t calc_bson_entry_header_size(const string_t& name) -{ -const auto it = name.find(static_cast(0)); -if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos)) -{ -JSON_THROW(out_of_range::create(409, -"BSON key cannot contain code point U+0000 (at byte " + std::to_string(it) + ")")); -} - -return /*id*/ 1ul + name.size() + /*zero-terminator*/1u; -} - -/*! - @brief Writes the given @a element_type and @a name to the output adapter - */ -void write_bson_entry_header(const string_t& name, -const std::uint8_t element_type) -{ -oa->write_character(to_char_type(element_type)); // boolean -oa->write_characters( -reinterpret_cast(name.c_str()), -name.size() + 1u); -} - -/*! - @brief Writes a BSON element with key @a name and boolean value @a value - */ -void write_bson_boolean(const string_t& name, -const bool value) -{ -write_bson_entry_header(name, 0x08); -oa->write_character(value ? to_char_type(0x01) : to_char_type(0x00)); -} - -/*! - @brief Writes a BSON element with key @a name and double value @a value - */ -void write_bson_double(const string_t& name, -const double value) -{ -write_bson_entry_header(name, 0x01); -write_number(value); -} - -/*! - @return The size of the BSON-encoded string in @a value - */ -static std::size_t calc_bson_string_size(const string_t& value) -{ -return sizeof(std::int32_t) + value.size() + 1ul; -} - -/*! - @brief Writes a BSON element with key @a name and string value @a value - */ -void write_bson_string(const string_t& name, -const string_t& value) -{ -write_bson_entry_header(name, 0x02); - -write_number(static_cast(value.size() + 1ul)); -oa->write_characters( -reinterpret_cast(value.c_str()), -value.size() + 1); -} - -/*! - @brief Writes a BSON element with key @a name and null value - */ -void write_bson_null(const string_t& name) -{ -write_bson_entry_header(name, 0x0A); -} - -/*! - @return The size of the BSON-encoded integer @a value - */ -static std::size_t calc_bson_integer_size(const std::int64_t value) -{ -return (std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)() -? sizeof(std::int32_t) -: sizeof(std::int64_t); -} - -/*! - @brief Writes a BSON element with key @a name and integer @a value - */ -void write_bson_integer(const string_t& name, -const std::int64_t value) -{ -if ((std::numeric_limits::min)() <= value && value <= (std::numeric_limits::max)()) -{ -write_bson_entry_header(name, 0x10); // int32 -write_number(static_cast(value)); -} -else -{ -write_bson_entry_header(name, 0x12); // int64 -write_number(static_cast(value)); -} -} - -/*! - @return The size of the BSON-encoded unsigned integer in @a j - */ -static constexpr std::size_t calc_bson_unsigned_size(const std::uint64_t value) noexcept -{ -return (value <= static_cast((std::numeric_limits::max)())) -? sizeof(std::int32_t) -: sizeof(std::int64_t); -} - -/*! - @brief Writes a BSON element with key @a name and unsigned @a value - */ -void write_bson_unsigned(const string_t& name, -const std::uint64_t value) -{ -if (value <= static_cast((std::numeric_limits::max)())) -{ -write_bson_entry_header(name, 0x10 /* int32 */); -write_number(static_cast(value)); -} -else if (value <= static_cast((std::numeric_limits::max)())) -{ -write_bson_entry_header(name, 0x12 /* int64 */); -write_number(static_cast(value)); -} -else -{ -JSON_THROW(out_of_range::create(407, "integer number " + std::to_string(value) + " cannot be represented by BSON as it does not fit int64")); -} -} - -/*! - @brief Writes a BSON element with key @a name and object @a value - */ -void write_bson_object_entry(const string_t& name, -const typename BasicJsonType::object_t& value) -{ -write_bson_entry_header(name, 0x03); // object -write_bson_object(value); -} - -/*! - @return The size of the BSON-encoded array @a value - */ -static std::size_t calc_bson_array_size(const typename BasicJsonType::array_t& value) -{ -std::size_t array_index = 0ul; - -const std::size_t embedded_document_size = std::accumulate(std::begin(value), std::end(value), std::size_t(0), [&array_index](std::size_t result, const typename BasicJsonType::array_t::value_type & el) -{ -return result + calc_bson_element_size(std::to_string(array_index++), el); -}); - -return sizeof(std::int32_t) + embedded_document_size + 1ul; -} - -/*! - @return The size of the BSON-encoded binary array @a value - */ -static std::size_t calc_bson_binary_size(const typename BasicJsonType::binary_t& value) -{ -return sizeof(std::int32_t) + value.size() + 1ul; -} - -/*! - @brief Writes a BSON element with key @a name and array @a value - */ -void write_bson_array(const string_t& name, -const typename BasicJsonType::array_t& value) -{ -write_bson_entry_header(name, 0x04); // array -write_number(static_cast(calc_bson_array_size(value))); - -std::size_t array_index = 0ul; - -for (const auto& el : value) -{ -write_bson_element(std::to_string(array_index++), el); -} - -oa->write_character(to_char_type(0x00)); -} - -/*! - @brief Writes a BSON element with key @a name and binary value @a value - */ -void write_bson_binary(const string_t& name, -const binary_t& value) -{ -write_bson_entry_header(name, 0x05); - -write_number(static_cast(value.size())); -write_number(value.has_subtype() ? value.subtype() : std::uint8_t(0x00)); - -oa->write_characters(reinterpret_cast(value.data()), value.size()); -} - -/*! - @brief Calculates the size necessary to serialize the JSON value @a j with its @a name - @return The calculated size for the BSON document entry for @a j with the given @a name. - */ -static std::size_t calc_bson_element_size(const string_t& name, -const BasicJsonType& j) -{ -const auto header_size = calc_bson_entry_header_size(name); -switch (j.type()) -{ -case value_t::object: -return header_size + calc_bson_object_size(*j.m_value.object); - -case value_t::array: -return header_size + calc_bson_array_size(*j.m_value.array); - -case value_t::binary: -return header_size + calc_bson_binary_size(*j.m_value.binary); - -case value_t::boolean: -return header_size + 1ul; - -case value_t::number_float: -return header_size + 8ul; - -case value_t::number_integer: -return header_size + calc_bson_integer_size(j.m_value.number_integer); - -case value_t::number_unsigned: -return header_size + calc_bson_unsigned_size(j.m_value.number_unsigned); - -case value_t::string: -return header_size + calc_bson_string_size(*j.m_value.string); - -case value_t::null: -return header_size + 0ul; - -// LCOV_EXCL_START -default: -JSON_ASSERT(false); -return 0ul; -// LCOV_EXCL_STOP -} -} - -/*! - @brief Serializes the JSON value @a j to BSON and associates it with the - key @a name. - @param name The name to associate with the JSON entity @a j within the - current BSON document - @return The size of the BSON entry - */ -void write_bson_element(const string_t& name, -const BasicJsonType& j) -{ -switch (j.type()) -{ -case value_t::object: -return write_bson_object_entry(name, *j.m_value.object); - -case value_t::array: -return write_bson_array(name, *j.m_value.array); - -case value_t::binary: -return write_bson_binary(name, *j.m_value.binary); - -case value_t::boolean: -return write_bson_boolean(name, j.m_value.boolean); - -case value_t::number_float: -return write_bson_double(name, j.m_value.number_float); - -case value_t::number_integer: -return write_bson_integer(name, j.m_value.number_integer); - -case value_t::number_unsigned: -return write_bson_unsigned(name, j.m_value.number_unsigned); - -case value_t::string: -return write_bson_string(name, *j.m_value.string); - -case value_t::null: -return write_bson_null(name); - -// LCOV_EXCL_START -default: -JSON_ASSERT(false); -return; -// LCOV_EXCL_STOP -} -} - -/*! - @brief Calculates the size of the BSON serialization of the given - JSON-object @a j. - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ -static std::size_t calc_bson_object_size(const typename BasicJsonType::object_t& value) -{ -std::size_t document_size = std::accumulate(value.begin(), value.end(), std::size_t(0), -[](size_t result, const typename BasicJsonType::object_t::value_type & el) -{ -return result += calc_bson_element_size(el.first, el.second); -}); - -return sizeof(std::int32_t) + document_size + 1ul; -} - -/*! - @param[in] j JSON value to serialize - @pre j.type() == value_t::object - */ -void write_bson_object(const typename BasicJsonType::object_t& value) -{ -write_number(static_cast(calc_bson_object_size(value))); - -for (const auto& el : value) -{ -write_bson_element(el.first, el.second); -} - -oa->write_character(to_char_type(0x00)); -} - -////////// -// CBOR // -////////// - -static constexpr CharType get_cbor_float_prefix(float /*unused*/) -{ -return to_char_type(0xFA); // Single-Precision Float -} - -static constexpr CharType get_cbor_float_prefix(double /*unused*/) -{ -return to_char_type(0xFB); // Double-Precision Float -} - -///////////// -// MsgPack // -///////////// - -static constexpr CharType get_msgpack_float_prefix(float /*unused*/) -{ -return to_char_type(0xCA); // float 32 -} - -static constexpr CharType get_msgpack_float_prefix(double /*unused*/) -{ -return to_char_type(0xCB); // float 64 -} - -//////////// -// UBJSON // -//////////// - -// UBJSON: write number (floating point) -template::value, int>::type = 0> -void write_number_with_ubjson_prefix(const NumberType n, -const bool add_prefix) -{ -if (add_prefix) -{ -oa->write_character(get_ubjson_float_prefix(n)); -} -write_number(n); -} - -// UBJSON: write number (unsigned integer) -template::value, int>::type = 0> -void write_number_with_ubjson_prefix(const NumberType n, -const bool add_prefix) -{ -if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('i')); // int8 -} -write_number(static_cast(n)); -} -else if (n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('U')); // uint8 -} -write_number(static_cast(n)); -} -else if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('I')); // int16 -} -write_number(static_cast(n)); -} -else if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('l')); // int32 -} -write_number(static_cast(n)); -} -else if (n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('L')); // int64 -} -write_number(static_cast(n)); -} -else -{ -if (add_prefix) -{ -oa->write_character(to_char_type('H')); // high-precision number -} - -const auto number = BasicJsonType(n).dump(); -write_number_with_ubjson_prefix(number.size(), true); -for (std::size_t i = 0; i < number.size(); ++i) -{ -oa->write_character(to_char_type(static_cast(number[i]))); -} -} -} - -// UBJSON: write number (signed integer) -template < typename NumberType, typename std::enable_if < -std::is_signed::value&& -!std::is_floating_point::value, int >::type = 0 > -void write_number_with_ubjson_prefix(const NumberType n, -const bool add_prefix) -{ -if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('i')); // int8 -} -write_number(static_cast(n)); -} -else if (static_cast((std::numeric_limits::min)()) <= n && n <= static_cast((std::numeric_limits::max)())) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('U')); // uint8 -} -write_number(static_cast(n)); -} -else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('I')); // int16 -} -write_number(static_cast(n)); -} -else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('l')); // int32 -} -write_number(static_cast(n)); -} -else if ((std::numeric_limits::min)() <= n && n <= (std::numeric_limits::max)()) -{ -if (add_prefix) -{ -oa->write_character(to_char_type('L')); // int64 -} -write_number(static_cast(n)); -} -// LCOV_EXCL_START -else -{ -if (add_prefix) -{ -oa->write_character(to_char_type('H')); // high-precision number -} - -const auto number = BasicJsonType(n).dump(); -write_number_with_ubjson_prefix(number.size(), true); -for (std::size_t i = 0; i < number.size(); ++i) -{ -oa->write_character(to_char_type(static_cast(number[i]))); -} -} -// LCOV_EXCL_STOP -} - -/*! - @brief determine the type prefix of container values - */ -CharType ubjson_prefix(const BasicJsonType& j) const noexcept -{ -switch (j.type()) -{ -case value_t::null: -return 'Z'; - -case value_t::boolean: -return j.m_value.boolean ? 'T' : 'F'; - -case value_t::number_integer: -{ -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'i'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'U'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'I'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'l'; -} -if ((std::numeric_limits::min)() <= j.m_value.number_integer && j.m_value.number_integer <= (std::numeric_limits::max)()) -{ -return 'L'; -} -// anything else is treated as high-precision number -return 'H'; // LCOV_EXCL_LINE -} - -case value_t::number_unsigned: -{ -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'i'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'U'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'I'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'l'; -} -if (j.m_value.number_unsigned <= static_cast((std::numeric_limits::max)())) -{ -return 'L'; -} -// anything else is treated as high-precision number -return 'H'; // LCOV_EXCL_LINE -} - -case value_t::number_float: -return get_ubjson_float_prefix(j.m_value.number_float); - -case value_t::string: -return 'S'; - -case value_t::array: // fallthrough -case value_t::binary: -return '['; - -case value_t::object: -return '{'; - -default: // discarded values -return 'N'; -} -} - -static constexpr CharType get_ubjson_float_prefix(float /*unused*/) -{ -return 'd'; // float 32 -} - -static constexpr CharType get_ubjson_float_prefix(double /*unused*/) -{ -return 'D'; // float 64 -} - -/////////////////////// -// Utility functions // -/////////////////////// - -/* - @brief write a number to output input - @param[in] n number of type @a NumberType - @tparam NumberType the type of the number - @tparam OutputIsLittleEndian Set to true if output data is - required to be little endian - - @note This function needs to respect the system's endianess, because bytes - in CBOR, MessagePack, and UBJSON are stored in network order (big - endian) and therefore need reordering on little endian systems. - */ -template -void write_number(const NumberType n) -{ -// step 1: write number to array of length NumberType -std::array vec; -std::memcpy(vec.data(), &n, sizeof(NumberType)); - -// step 2: write array to output (with possible reordering) -if (is_little_endian != OutputIsLittleEndian) -{ -// reverse byte order prior to conversion if necessary -std::reverse(vec.begin(), vec.end()); -} - -oa->write_characters(vec.data(), sizeof(NumberType)); -} - -void write_compact_float(const number_float_t n, detail::input_format_t format) -{ -if (static_cast(n) >= static_cast(std::numeric_limits::lowest()) && -static_cast(n) <= static_cast((std::numeric_limits::max)()) && -static_cast(static_cast(n)) == static_cast(n)) -{ -oa->write_character(format == detail::input_format_t::cbor -? get_cbor_float_prefix(static_cast(n)) -: get_msgpack_float_prefix(static_cast(n))); -write_number(static_cast(n)); -} -else -{ -oa->write_character(format == detail::input_format_t::cbor -? get_cbor_float_prefix(n) -: get_msgpack_float_prefix(n)); -write_number(n); -} -} - -public: -// The following to_char_type functions are implement the conversion -// between uint8_t and CharType. In case CharType is not unsigned, -// such a conversion is required to allow values greater than 128. -// See for a discussion. -template < typename C = CharType, -enable_if_t < std::is_signed::value && std::is_signed::value > * = nullptr > -static constexpr CharType to_char_type(std::uint8_t x) noexcept -{ -return *reinterpret_cast(&x); -} - -template < typename C = CharType, -enable_if_t < std::is_signed::value && std::is_unsigned::value > * = nullptr > -static CharType to_char_type(std::uint8_t x) noexcept -{ -static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t"); -static_assert(std::is_trivial::value, "CharType must be trivial"); -CharType result; -std::memcpy(&result, &x, sizeof(x)); -return result; -} - -template::value>* = nullptr> -static constexpr CharType to_char_type(std::uint8_t x) noexcept -{ -return x; -} - -template < typename InputCharType, typename C = CharType, -enable_if_t < -std::is_signed::value && -std::is_signed::value && -std::is_same::type>::value -> * = nullptr > -static constexpr CharType to_char_type(InputCharType x) noexcept -{ -return x; -} - -private: -/// whether we can assume little endianess -const bool is_little_endian = little_endianess(); - -/// the output -output_adapter_t oa = nullptr; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - - -#include // reverse, remove, fill, find, none_of -#include // array -#include // localeconv, lconv -#include // labs, isfinite, isnan, signbit -#include // size_t, ptrdiff_t -#include // uint8_t -#include // snprintf -#include // numeric_limits -#include // string, char_traits -#include // is_same -#include // move - -// #include - - -#include // array -#include // signbit, isfinite -#include // intN_t, uintN_t -#include // memcpy, memmove -#include // numeric_limits -#include // conditional - -// #include - - -namespace nlohmann -{ -namespace detail -{ - -/*! -@brief implements the Grisu2 algorithm for binary to decimal floating-point -conversion. - -This implementation is a slightly modified version of the reference -implementation which may be obtained from -http://florian.loitsch.com/publications (bench.tar.gz). - -The code is distributed under the MIT license, Copyright (c) 2009 Florian Loitsch. - -For a detailed description of the algorithm see: - -[1] Loitsch, "Printing Floating-Point Numbers Quickly and Accurately with - Integers", Proceedings of the ACM SIGPLAN 2010 Conference on Programming - Language Design and Implementation, PLDI 2010 -[2] Burger, Dybvig, "Printing Floating-Point Numbers Quickly and Accurately", - Proceedings of the ACM SIGPLAN 1996 Conference on Programming Language - Design and Implementation, PLDI 1996 -*/ -namespace dtoa_impl -{ - -template -Target reinterpret_bits(const Source source) -{ -static_assert(sizeof(Target) == sizeof(Source), "size mismatch"); - -Target target; -std::memcpy(&target, &source, sizeof(Source)); -return target; -} - -struct diyfp // f * 2^e -{ -static constexpr int kPrecision = 64; // = q - -std::uint64_t f = 0; -int e = 0; - -constexpr diyfp(std::uint64_t f_, int e_) noexcept : f(f_), e(e_) {} - -/*! - @brief returns x - y - @pre x.e == y.e and x.f >= y.f - */ -static diyfp sub(const diyfp& x, const diyfp& y) noexcept -{ -JSON_ASSERT(x.e == y.e); -JSON_ASSERT(x.f >= y.f); - -return {x.f - y.f, x.e}; -} - -/*! - @brief returns x * y - @note The result is rounded. (Only the upper q bits are returned.) - */ -static diyfp mul(const diyfp& x, const diyfp& y) noexcept -{ -static_assert(kPrecision == 64, "internal error"); - -// Computes: -// f = round((x.f * y.f) / 2^q) -// e = x.e + y.e + q - -// Emulate the 64-bit * 64-bit multiplication: -// -// p = u * v -// = (u_lo + 2^32 u_hi) (v_lo + 2^32 v_hi) -// = (u_lo v_lo ) + 2^32 ((u_lo v_hi ) + (u_hi v_lo )) + 2^64 (u_hi v_hi ) -// = (p0 ) + 2^32 ((p1 ) + (p2 )) + 2^64 (p3 ) -// = (p0_lo + 2^32 p0_hi) + 2^32 ((p1_lo + 2^32 p1_hi) + (p2_lo + 2^32 p2_hi)) + 2^64 (p3 ) -// = (p0_lo ) + 2^32 (p0_hi + p1_lo + p2_lo ) + 2^64 (p1_hi + p2_hi + p3) -// = (p0_lo ) + 2^32 (Q ) + 2^64 (H ) -// = (p0_lo ) + 2^32 (Q_lo + 2^32 Q_hi ) + 2^64 (H ) -// -// (Since Q might be larger than 2^32 - 1) -// -// = (p0_lo + 2^32 Q_lo) + 2^64 (Q_hi + H) -// -// (Q_hi + H does not overflow a 64-bit int) -// -// = p_lo + 2^64 p_hi - -const std::uint64_t u_lo = x.f & 0xFFFFFFFFu; -const std::uint64_t u_hi = x.f >> 32u; -const std::uint64_t v_lo = y.f & 0xFFFFFFFFu; -const std::uint64_t v_hi = y.f >> 32u; - -const std::uint64_t p0 = u_lo * v_lo; -const std::uint64_t p1 = u_lo * v_hi; -const std::uint64_t p2 = u_hi * v_lo; -const std::uint64_t p3 = u_hi * v_hi; - -const std::uint64_t p0_hi = p0 >> 32u; -const std::uint64_t p1_lo = p1 & 0xFFFFFFFFu; -const std::uint64_t p1_hi = p1 >> 32u; -const std::uint64_t p2_lo = p2 & 0xFFFFFFFFu; -const std::uint64_t p2_hi = p2 >> 32u; - -std::uint64_t Q = p0_hi + p1_lo + p2_lo; - -// The full product might now be computed as -// -// p_hi = p3 + p2_hi + p1_hi + (Q >> 32) -// p_lo = p0_lo + (Q << 32) -// -// But in this particular case here, the full p_lo is not required. -// Effectively we only need to add the highest bit in p_lo to p_hi (and -// Q_hi + 1 does not overflow). - -Q += std::uint64_t{1} << (64u - 32u - 1u); // round, ties up - -const std::uint64_t h = p3 + p2_hi + p1_hi + (Q >> 32u); - -return {h, x.e + y.e + 64}; -} - -/*! - @brief normalize x such that the significand is >= 2^(q-1) - @pre x.f != 0 - */ -static diyfp normalize(diyfp x) noexcept -{ -JSON_ASSERT(x.f != 0); - -while ((x.f >> 63u) == 0) -{ -x.f <<= 1u; -x.e--; -} - -return x; -} - -/*! - @brief normalize x such that the result has the exponent E - @pre e >= x.e and the upper e - x.e bits of x.f must be zero. - */ -static diyfp normalize_to(const diyfp& x, const int target_exponent) noexcept -{ -const int delta = x.e - target_exponent; - -JSON_ASSERT(delta >= 0); -JSON_ASSERT(((x.f << delta) >> delta) == x.f); - -return {x.f << delta, target_exponent}; -} -}; - -struct boundaries -{ -diyfp w; -diyfp minus; -diyfp plus; -}; - -/*! -Compute the (normalized) diyfp representing the input number 'value' and its -boundaries. - -@pre value must be finite and positive -*/ -template -boundaries compute_boundaries(FloatType value) -{ -JSON_ASSERT(std::isfinite(value)); -JSON_ASSERT(value > 0); - -// Convert the IEEE representation into a diyfp. -// -// If v is denormal: -// value = 0.F * 2^(1 - bias) = ( F) * 2^(1 - bias - (p-1)) -// If v is normalized: -// value = 1.F * 2^(E - bias) = (2^(p-1) + F) * 2^(E - bias - (p-1)) - -static_assert(std::numeric_limits::is_iec559, -"internal error: dtoa_short requires an IEEE-754 floating-point implementation"); - -constexpr int kPrecision = std::numeric_limits::digits; // = p (includes the hidden bit) -constexpr int kBias = std::numeric_limits::max_exponent - 1 + (kPrecision - 1); -constexpr int kMinExp = 1 - kBias; -constexpr std::uint64_t kHiddenBit = std::uint64_t{1} << (kPrecision - 1); // = 2^(p-1) - -using bits_type = typename std::conditional::type; - -const std::uint64_t bits = reinterpret_bits(value); -const std::uint64_t E = bits >> (kPrecision - 1); -const std::uint64_t F = bits & (kHiddenBit - 1); - -const bool is_denormal = E == 0; -const diyfp v = is_denormal -? diyfp(F, kMinExp) -: diyfp(F + kHiddenBit, static_cast(E) - kBias); - -// Compute the boundaries m- and m+ of the floating-point value -// v = f * 2^e. -// -// Determine v- and v+, the floating-point predecessor and successor if v, -// respectively. -// -// v- = v - 2^e if f != 2^(p-1) or e == e_min (A) -// = v - 2^(e-1) if f == 2^(p-1) and e > e_min (B) -// -// v+ = v + 2^e -// -// Let m- = (v- + v) / 2 and m+ = (v + v+) / 2. All real numbers _strictly_ -// between m- and m+ round to v, regardless of how the input rounding -// algorithm breaks ties. -// -// ---+-------------+-------------+-------------+-------------+--- (A) -// v- m- v m+ v+ -// -// -----------------+------+------+-------------+-------------+--- (B) -// v- m- v m+ v+ - -const bool lower_boundary_is_closer = F == 0 && E > 1; -const diyfp m_plus = diyfp(2 * v.f + 1, v.e - 1); -const diyfp m_minus = lower_boundary_is_closer -? diyfp(4 * v.f - 1, v.e - 2) // (B) -: diyfp(2 * v.f - 1, v.e - 1); // (A) - -// Determine the normalized w+ = m+. -const diyfp w_plus = diyfp::normalize(m_plus); - -// Determine w- = m- such that e_(w-) = e_(w+). -const diyfp w_minus = diyfp::normalize_to(m_minus, w_plus.e); - -return {diyfp::normalize(v), w_minus, w_plus}; -} - -// Given normalized diyfp w, Grisu needs to find a (normalized) cached -// power-of-ten c, such that the exponent of the product c * w = f * 2^e lies -// within a certain range [alpha, gamma] (Definition 3.2 from [1]) -// -// alpha <= e = e_c + e_w + q <= gamma -// -// or -// -// f_c * f_w * 2^alpha <= f_c 2^(e_c) * f_w 2^(e_w) * 2^q -// <= f_c * f_w * 2^gamma -// -// Since c and w are normalized, i.e. 2^(q-1) <= f < 2^q, this implies -// -// 2^(q-1) * 2^(q-1) * 2^alpha <= c * w * 2^q < 2^q * 2^q * 2^gamma -// -// or -// -// 2^(q - 2 + alpha) <= c * w < 2^(q + gamma) -// -// The choice of (alpha,gamma) determines the size of the table and the form of -// the digit generation procedure. Using (alpha,gamma)=(-60,-32) works out well -// in practice: -// -// The idea is to cut the number c * w = f * 2^e into two parts, which can be -// processed independently: An integral part p1, and a fractional part p2: -// -// f * 2^e = ( (f div 2^-e) * 2^-e + (f mod 2^-e) ) * 2^e -// = (f div 2^-e) + (f mod 2^-e) * 2^e -// = p1 + p2 * 2^e -// -// The conversion of p1 into decimal form requires a series of divisions and -// modulos by (a power of) 10. These operations are faster for 32-bit than for -// 64-bit integers, so p1 should ideally fit into a 32-bit integer. This can be -// achieved by choosing -// -// -e >= 32 or e <= -32 := gamma -// -// In order to convert the fractional part -// -// p2 * 2^e = p2 / 2^-e = d[-1] / 10^1 + d[-2] / 10^2 + ... -// -// into decimal form, the fraction is repeatedly multiplied by 10 and the digits -// d[-i] are extracted in order: -// -// (10 * p2) div 2^-e = d[-1] -// (10 * p2) mod 2^-e = d[-2] / 10^1 + ... -// -// The multiplication by 10 must not overflow. It is sufficient to choose -// -// 10 * p2 < 16 * p2 = 2^4 * p2 <= 2^64. -// -// Since p2 = f mod 2^-e < 2^-e, -// -// -e <= 60 or e >= -60 := alpha - -constexpr int kAlpha = -60; -constexpr int kGamma = -32; - -struct cached_power // c = f * 2^e ~= 10^k -{ -std::uint64_t f; -int e; -int k; -}; - -/*! -For a normalized diyfp w = f * 2^e, this function returns a (normalized) cached -power-of-ten c = f_c * 2^e_c, such that the exponent of the product w * c -satisfies (Definition 3.2 from [1]) - - alpha <= e_c + e + q <= gamma. -*/ -inline cached_power get_cached_power_for_binary_exponent(int e) -{ -// Now -// -// alpha <= e_c + e + q <= gamma (1) -// ==> f_c * 2^alpha <= c * 2^e * 2^q -// -// and since the c's are normalized, 2^(q-1) <= f_c, -// -// ==> 2^(q - 1 + alpha) <= c * 2^(e + q) -// ==> 2^(alpha - e - 1) <= c -// -// If c were an exact power of ten, i.e. c = 10^k, one may determine k as -// -// k = ceil( log_10( 2^(alpha - e - 1) ) ) -// = ceil( (alpha - e - 1) * log_10(2) ) -// -// From the paper: -// "In theory the result of the procedure could be wrong since c is rounded, -// and the computation itself is approximated [...]. In practice, however, -// this simple function is sufficient." -// -// For IEEE double precision floating-point numbers converted into -// normalized diyfp's w = f * 2^e, with q = 64, -// -// e >= -1022 (min IEEE exponent) -// -52 (p - 1) -// -52 (p - 1, possibly normalize denormal IEEE numbers) -// -11 (normalize the diyfp) -// = -1137 -// -// and -// -// e <= +1023 (max IEEE exponent) -// -52 (p - 1) -// -11 (normalize the diyfp) -// = 960 -// -// This binary exponent range [-1137,960] results in a decimal exponent -// range [-307,324]. One does not need to store a cached power for each -// k in this range. For each such k it suffices to find a cached power -// such that the exponent of the product lies in [alpha,gamma]. -// This implies that the difference of the decimal exponents of adjacent -// table entries must be less than or equal to -// -// floor( (gamma - alpha) * log_10(2) ) = 8. -// -// (A smaller distance gamma-alpha would require a larger table.) - -// NB: -// Actually this function returns c, such that -60 <= e_c + e + 64 <= -34. - -constexpr int kCachedPowersMinDecExp = -300; -constexpr int kCachedPowersDecStep = 8; - -static constexpr std::array kCachedPowers = -{ -{ -{ 0xAB70FE17C79AC6CA, -1060, -300 }, -{ 0xFF77B1FCBEBCDC4F, -1034, -292 }, -{ 0xBE5691EF416BD60C, -1007, -284 }, -{ 0x8DD01FAD907FFC3C, -980, -276 }, -{ 0xD3515C2831559A83, -954, -268 }, -{ 0x9D71AC8FADA6C9B5, -927, -260 }, -{ 0xEA9C227723EE8BCB, -901, -252 }, -{ 0xAECC49914078536D, -874, -244 }, -{ 0x823C12795DB6CE57, -847, -236 }, -{ 0xC21094364DFB5637, -821, -228 }, -{ 0x9096EA6F3848984F, -794, -220 }, -{ 0xD77485CB25823AC7, -768, -212 }, -{ 0xA086CFCD97BF97F4, -741, -204 }, -{ 0xEF340A98172AACE5, -715, -196 }, -{ 0xB23867FB2A35B28E, -688, -188 }, -{ 0x84C8D4DFD2C63F3B, -661, -180 }, -{ 0xC5DD44271AD3CDBA, -635, -172 }, -{ 0x936B9FCEBB25C996, -608, -164 }, -{ 0xDBAC6C247D62A584, -582, -156 }, -{ 0xA3AB66580D5FDAF6, -555, -148 }, -{ 0xF3E2F893DEC3F126, -529, -140 }, -{ 0xB5B5ADA8AAFF80B8, -502, -132 }, -{ 0x87625F056C7C4A8B, -475, -124 }, -{ 0xC9BCFF6034C13053, -449, -116 }, -{ 0x964E858C91BA2655, -422, -108 }, -{ 0xDFF9772470297EBD, -396, -100 }, -{ 0xA6DFBD9FB8E5B88F, -369, -92 }, -{ 0xF8A95FCF88747D94, -343, -84 }, -{ 0xB94470938FA89BCF, -316, -76 }, -{ 0x8A08F0F8BF0F156B, -289, -68 }, -{ 0xCDB02555653131B6, -263, -60 }, -{ 0x993FE2C6D07B7FAC, -236, -52 }, -{ 0xE45C10C42A2B3B06, -210, -44 }, -{ 0xAA242499697392D3, -183, -36 }, -{ 0xFD87B5F28300CA0E, -157, -28 }, -{ 0xBCE5086492111AEB, -130, -20 }, -{ 0x8CBCCC096F5088CC, -103, -12 }, -{ 0xD1B71758E219652C, -77, -4 }, -{ 0x9C40000000000000, -50, 4 }, -{ 0xE8D4A51000000000, -24, 12 }, -{ 0xAD78EBC5AC620000, 3, 20 }, -{ 0x813F3978F8940984, 30, 28 }, -{ 0xC097CE7BC90715B3, 56, 36 }, -{ 0x8F7E32CE7BEA5C70, 83, 44 }, -{ 0xD5D238A4ABE98068, 109, 52 }, -{ 0x9F4F2726179A2245, 136, 60 }, -{ 0xED63A231D4C4FB27, 162, 68 }, -{ 0xB0DE65388CC8ADA8, 189, 76 }, -{ 0x83C7088E1AAB65DB, 216, 84 }, -{ 0xC45D1DF942711D9A, 242, 92 }, -{ 0x924D692CA61BE758, 269, 100 }, -{ 0xDA01EE641A708DEA, 295, 108 }, -{ 0xA26DA3999AEF774A, 322, 116 }, -{ 0xF209787BB47D6B85, 348, 124 }, -{ 0xB454E4A179DD1877, 375, 132 }, -{ 0x865B86925B9BC5C2, 402, 140 }, -{ 0xC83553C5C8965D3D, 428, 148 }, -{ 0x952AB45CFA97A0B3, 455, 156 }, -{ 0xDE469FBD99A05FE3, 481, 164 }, -{ 0xA59BC234DB398C25, 508, 172 }, -{ 0xF6C69A72A3989F5C, 534, 180 }, -{ 0xB7DCBF5354E9BECE, 561, 188 }, -{ 0x88FCF317F22241E2, 588, 196 }, -{ 0xCC20CE9BD35C78A5, 614, 204 }, -{ 0x98165AF37B2153DF, 641, 212 }, -{ 0xE2A0B5DC971F303A, 667, 220 }, -{ 0xA8D9D1535CE3B396, 694, 228 }, -{ 0xFB9B7CD9A4A7443C, 720, 236 }, -{ 0xBB764C4CA7A44410, 747, 244 }, -{ 0x8BAB8EEFB6409C1A, 774, 252 }, -{ 0xD01FEF10A657842C, 800, 260 }, -{ 0x9B10A4E5E9913129, 827, 268 }, -{ 0xE7109BFBA19C0C9D, 853, 276 }, -{ 0xAC2820D9623BF429, 880, 284 }, -{ 0x80444B5E7AA7CF85, 907, 292 }, -{ 0xBF21E44003ACDD2D, 933, 300 }, -{ 0x8E679C2F5E44FF8F, 960, 308 }, -{ 0xD433179D9C8CB841, 986, 316 }, -{ 0x9E19DB92B4E31BA9, 1013, 324 }, -} -}; - -// This computation gives exactly the same results for k as -// k = ceil((kAlpha - e - 1) * 0.30102999566398114) -// for |e| <= 1500, but doesn't require floating-point operations. -// NB: log_10(2) ~= 78913 / 2^18 -JSON_ASSERT(e >= -1500); -JSON_ASSERT(e <= 1500); -const int f = kAlpha - e - 1; -const int k = (f * 78913) / (1 << 18) + static_cast(f > 0); - -const int index = (-kCachedPowersMinDecExp + k + (kCachedPowersDecStep - 1)) / kCachedPowersDecStep; -JSON_ASSERT(index >= 0); -JSON_ASSERT(static_cast(index) < kCachedPowers.size()); - -const cached_power cached = kCachedPowers[static_cast(index)]; -JSON_ASSERT(kAlpha <= cached.e + e + 64); -JSON_ASSERT(kGamma >= cached.e + e + 64); - -return cached; -} - -/*! -For n != 0, returns k, such that pow10 := 10^(k-1) <= n < 10^k. -For n == 0, returns 1 and sets pow10 := 1. -*/ -inline int find_largest_pow10(const std::uint32_t n, std::uint32_t& pow10) -{ -// LCOV_EXCL_START -if (n >= 1000000000) -{ -pow10 = 1000000000; -return 10; -} -// LCOV_EXCL_STOP -else if (n >= 100000000) -{ -pow10 = 100000000; -return 9; -} -else if (n >= 10000000) -{ -pow10 = 10000000; -return 8; -} -else if (n >= 1000000) -{ -pow10 = 1000000; -return 7; -} -else if (n >= 100000) -{ -pow10 = 100000; -return 6; -} -else if (n >= 10000) -{ -pow10 = 10000; -return 5; -} -else if (n >= 1000) -{ -pow10 = 1000; -return 4; -} -else if (n >= 100) -{ -pow10 = 100; -return 3; -} -else if (n >= 10) -{ -pow10 = 10; -return 2; -} -else -{ -pow10 = 1; -return 1; -} -} - -inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t delta, -std::uint64_t rest, std::uint64_t ten_k) -{ -JSON_ASSERT(len >= 1); -JSON_ASSERT(dist <= delta); -JSON_ASSERT(rest <= delta); -JSON_ASSERT(ten_k > 0); - -// <--------------------------- delta ----> -// <---- dist ---------> -// --------------[------------------+-------------------]-------------- -// M- w M+ -// -// ten_k -// <------> -// <---- rest ----> -// --------------[------------------+----+--------------]-------------- -// w V -// = buf * 10^k -// -// ten_k represents a unit-in-the-last-place in the decimal representation -// stored in buf. -// Decrement buf by ten_k while this takes buf closer to w. - -// The tests are written in this order to avoid overflow in unsigned -// integer arithmetic. - -while (rest < dist -&& delta - rest >= ten_k -&& (rest + ten_k < dist || dist - rest > rest + ten_k - dist)) -{ -JSON_ASSERT(buf[len - 1] != '0'); -buf[len - 1]--; -rest += ten_k; -} -} - -/*! -Generates V = buffer * 10^decimal_exponent, such that M- <= V <= M+. -M- and M+ must be normalized and share the same exponent -60 <= e <= -32. -*/ -inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent, -diyfp M_minus, diyfp w, diyfp M_plus) -{ -static_assert(kAlpha >= -60, "internal error"); -static_assert(kGamma <= -32, "internal error"); - -// Generates the digits (and the exponent) of a decimal floating-point -// number V = buffer * 10^decimal_exponent in the range [M-, M+]. The diyfp's -// w, M- and M+ share the same exponent e, which satisfies alpha <= e <= gamma. -// -// <--------------------------- delta ----> -// <---- dist ---------> -// --------------[------------------+-------------------]-------------- -// M- w M+ -// -// Grisu2 generates the digits of M+ from left to right and stops as soon as -// V is in [M-,M+]. - -JSON_ASSERT(M_plus.e >= kAlpha); -JSON_ASSERT(M_plus.e <= kGamma); - -std::uint64_t delta = diyfp::sub(M_plus, M_minus).f; // (significand of (M+ - M-), implicit exponent is e) -std::uint64_t dist = diyfp::sub(M_plus, w ).f; // (significand of (M+ - w ), implicit exponent is e) - -// Split M+ = f * 2^e into two parts p1 and p2 (note: e < 0): -// -// M+ = f * 2^e -// = ((f div 2^-e) * 2^-e + (f mod 2^-e)) * 2^e -// = ((p1 ) * 2^-e + (p2 )) * 2^e -// = p1 + p2 * 2^e - -const diyfp one(std::uint64_t{1} << -M_plus.e, M_plus.e); - -auto p1 = static_cast(M_plus.f >> -one.e); // p1 = f div 2^-e (Since -e >= 32, p1 fits into a 32-bit int.) -std::uint64_t p2 = M_plus.f & (one.f - 1); // p2 = f mod 2^-e - -// 1) -// -// Generate the digits of the integral part p1 = d[n-1]...d[1]d[0] - -JSON_ASSERT(p1 > 0); - -std::uint32_t pow10; -const int k = find_largest_pow10(p1, pow10); - -// 10^(k-1) <= p1 < 10^k, pow10 = 10^(k-1) -// -// p1 = (p1 div 10^(k-1)) * 10^(k-1) + (p1 mod 10^(k-1)) -// = (d[k-1] ) * 10^(k-1) + (p1 mod 10^(k-1)) -// -// M+ = p1 + p2 * 2^e -// = d[k-1] * 10^(k-1) + (p1 mod 10^(k-1)) + p2 * 2^e -// = d[k-1] * 10^(k-1) + ((p1 mod 10^(k-1)) * 2^-e + p2) * 2^e -// = d[k-1] * 10^(k-1) + ( rest) * 2^e -// -// Now generate the digits d[n] of p1 from left to right (n = k-1,...,0) -// -// p1 = d[k-1]...d[n] * 10^n + d[n-1]...d[0] -// -// but stop as soon as -// -// rest * 2^e = (d[n-1]...d[0] * 2^-e + p2) * 2^e <= delta * 2^e - -int n = k; -while (n > 0) -{ -// Invariants: -// M+ = buffer * 10^n + (p1 + p2 * 2^e) (buffer = 0 for n = k) -// pow10 = 10^(n-1) <= p1 < 10^n -// -const std::uint32_t d = p1 / pow10; // d = p1 div 10^(n-1) -const std::uint32_t r = p1 % pow10; // r = p1 mod 10^(n-1) -// -// M+ = buffer * 10^n + (d * 10^(n-1) + r) + p2 * 2^e -// = (buffer * 10 + d) * 10^(n-1) + (r + p2 * 2^e) -// -JSON_ASSERT(d <= 9); -buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d -// -// M+ = buffer * 10^(n-1) + (r + p2 * 2^e) -// -p1 = r; -n--; -// -// M+ = buffer * 10^n + (p1 + p2 * 2^e) -// pow10 = 10^n -// - -// Now check if enough digits have been generated. -// Compute -// -// p1 + p2 * 2^e = (p1 * 2^-e + p2) * 2^e = rest * 2^e -// -// Note: -// Since rest and delta share the same exponent e, it suffices to -// compare the significands. -const std::uint64_t rest = (std::uint64_t{p1} << -one.e) + p2; -if (rest <= delta) -{ -// V = buffer * 10^n, with M- <= V <= M+. - -decimal_exponent += n; - -// We may now just stop. But instead look if the buffer could be -// decremented to bring V closer to w. -// -// pow10 = 10^n is now 1 ulp in the decimal representation V. -// The rounding procedure works with diyfp's with an implicit -// exponent of e. -// -// 10^n = (10^n * 2^-e) * 2^e = ulp * 2^e -// -const std::uint64_t ten_n = std::uint64_t{pow10} << -one.e; -grisu2_round(buffer, length, dist, delta, rest, ten_n); - -return; -} - -pow10 /= 10; -// -// pow10 = 10^(n-1) <= p1 < 10^n -// Invariants restored. -} - -// 2) -// -// The digits of the integral part have been generated: -// -// M+ = d[k-1]...d[1]d[0] + p2 * 2^e -// = buffer + p2 * 2^e -// -// Now generate the digits of the fractional part p2 * 2^e. -// -// Note: -// No decimal point is generated: the exponent is adjusted instead. -// -// p2 actually represents the fraction -// -// p2 * 2^e -// = p2 / 2^-e -// = d[-1] / 10^1 + d[-2] / 10^2 + ... -// -// Now generate the digits d[-m] of p1 from left to right (m = 1,2,...) -// -// p2 * 2^e = d[-1]d[-2]...d[-m] * 10^-m -// + 10^-m * (d[-m-1] / 10^1 + d[-m-2] / 10^2 + ...) -// -// using -// -// 10^m * p2 = ((10^m * p2) div 2^-e) * 2^-e + ((10^m * p2) mod 2^-e) -// = ( d) * 2^-e + ( r) -// -// or -// 10^m * p2 * 2^e = d + r * 2^e -// -// i.e. -// -// M+ = buffer + p2 * 2^e -// = buffer + 10^-m * (d + r * 2^e) -// = (buffer * 10^m + d) * 10^-m + 10^-m * r * 2^e -// -// and stop as soon as 10^-m * r * 2^e <= delta * 2^e - -JSON_ASSERT(p2 > delta); - -int m = 0; -for (;;) -{ -// Invariant: -// M+ = buffer * 10^-m + 10^-m * (d[-m-1] / 10 + d[-m-2] / 10^2 + ...) * 2^e -// = buffer * 10^-m + 10^-m * (p2 ) * 2^e -// = buffer * 10^-m + 10^-m * (1/10 * (10 * p2) ) * 2^e -// = buffer * 10^-m + 10^-m * (1/10 * ((10*p2 div 2^-e) * 2^-e + (10*p2 mod 2^-e)) * 2^e -// -JSON_ASSERT(p2 <= (std::numeric_limits::max)() / 10); -p2 *= 10; -const std::uint64_t d = p2 >> -one.e; // d = (10 * p2) div 2^-e -const std::uint64_t r = p2 & (one.f - 1); // r = (10 * p2) mod 2^-e -// -// M+ = buffer * 10^-m + 10^-m * (1/10 * (d * 2^-e + r) * 2^e -// = buffer * 10^-m + 10^-m * (1/10 * (d + r * 2^e)) -// = (buffer * 10 + d) * 10^(-m-1) + 10^(-m-1) * r * 2^e -// -JSON_ASSERT(d <= 9); -buffer[length++] = static_cast('0' + d); // buffer := buffer * 10 + d -// -// M+ = buffer * 10^(-m-1) + 10^(-m-1) * r * 2^e -// -p2 = r; -m++; -// -// M+ = buffer * 10^-m + 10^-m * p2 * 2^e -// Invariant restored. - -// Check if enough digits have been generated. -// -// 10^-m * p2 * 2^e <= delta * 2^e -// p2 * 2^e <= 10^m * delta * 2^e -// p2 <= 10^m * delta -delta *= 10; -dist *= 10; -if (p2 <= delta) -{ -break; -} -} - -// V = buffer * 10^-m, with M- <= V <= M+. - -decimal_exponent -= m; - -// 1 ulp in the decimal representation is now 10^-m. -// Since delta and dist are now scaled by 10^m, we need to do the -// same with ulp in order to keep the units in sync. -// -// 10^m * 10^-m = 1 = 2^-e * 2^e = ten_m * 2^e -// -const std::uint64_t ten_m = one.f; -grisu2_round(buffer, length, dist, delta, p2, ten_m); - -// By construction this algorithm generates the shortest possible decimal -// number (Loitsch, Theorem 6.2) which rounds back to w. -// For an input number of precision p, at least -// -// N = 1 + ceil(p * log_10(2)) -// -// decimal digits are sufficient to identify all binary floating-point -// numbers (Matula, "In-and-Out conversions"). -// This implies that the algorithm does not produce more than N decimal -// digits. -// -// N = 17 for p = 53 (IEEE double precision) -// N = 9 for p = 24 (IEEE single precision) -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -JSON_HEDLEY_NON_NULL(1) -inline void grisu2(char* buf, int& len, int& decimal_exponent, -diyfp m_minus, diyfp v, diyfp m_plus) -{ -JSON_ASSERT(m_plus.e == m_minus.e); -JSON_ASSERT(m_plus.e == v.e); - -// --------(-----------------------+-----------------------)-------- (A) -// m- v m+ -// -// --------------------(-----------+-----------------------)-------- (B) -// m- v m+ -// -// First scale v (and m- and m+) such that the exponent is in the range -// [alpha, gamma]. - -const cached_power cached = get_cached_power_for_binary_exponent(m_plus.e); - -const diyfp c_minus_k(cached.f, cached.e); // = c ~= 10^-k - -// The exponent of the products is = v.e + c_minus_k.e + q and is in the range [alpha,gamma] -const diyfp w = diyfp::mul(v, c_minus_k); -const diyfp w_minus = diyfp::mul(m_minus, c_minus_k); -const diyfp w_plus = diyfp::mul(m_plus, c_minus_k); - -// ----(---+---)---------------(---+---)---------------(---+---)---- -// w- w w+ -// = c*m- = c*v = c*m+ -// -// diyfp::mul rounds its result and c_minus_k is approximated too. w, w- and -// w+ are now off by a small amount. -// In fact: -// -// w - v * 10^k < 1 ulp -// -// To account for this inaccuracy, add resp. subtract 1 ulp. -// -// --------+---[---------------(---+---)---------------]---+-------- -// w- M- w M+ w+ -// -// Now any number in [M-, M+] (bounds included) will round to w when input, -// regardless of how the input rounding algorithm breaks ties. -// -// And digit_gen generates the shortest possible such number in [M-, M+]. -// Note that this does not mean that Grisu2 always generates the shortest -// possible number in the interval (m-, m+). -const diyfp M_minus(w_minus.f + 1, w_minus.e); -const diyfp M_plus (w_plus.f - 1, w_plus.e ); - -decimal_exponent = -cached.k; // = -(-k) = k - -grisu2_digit_gen(buf, len, decimal_exponent, M_minus, w, M_plus); -} - -/*! -v = buf * 10^decimal_exponent -len is the length of the buffer (number of decimal digits) -The buffer must be large enough, i.e. >= max_digits10. -*/ -template -JSON_HEDLEY_NON_NULL(1) -void grisu2(char* buf, int& len, int& decimal_exponent, FloatType value) -{ -static_assert(diyfp::kPrecision >= std::numeric_limits::digits + 3, -"internal error: not enough precision"); - -JSON_ASSERT(std::isfinite(value)); -JSON_ASSERT(value > 0); - -// If the neighbors (and boundaries) of 'value' are always computed for double-precision -// numbers, all float's can be recovered using strtod (and strtof). However, the resulting -// decimal representations are not exactly "short". -// -// The documentation for 'std::to_chars' (https://en.cppreference.com/w/cpp/utility/to_chars) -// says "value is converted to a string as if by std::sprintf in the default ("C") locale" -// and since sprintf promotes float's to double's, I think this is exactly what 'std::to_chars' -// does. -// On the other hand, the documentation for 'std::to_chars' requires that "parsing the -// representation using the corresponding std::from_chars function recovers value exactly". That -// indicates that single precision floating-point numbers should be recovered using -// 'std::strtof'. -// -// NB: If the neighbors are computed for single-precision numbers, there is a single float -// (7.0385307e-26f) which can't be recovered using strtod. The resulting double precision -// value is off by 1 ulp. -#if 0 -const boundaries w = compute_boundaries(static_cast(value)); -#else -const boundaries w = compute_boundaries(value); -#endif - -grisu2(buf, len, decimal_exponent, w.minus, w.w, w.plus); -} - -/*! -@brief appends a decimal representation of e to buf -@return a pointer to the element following the exponent. -@pre -1000 < e < 1000 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* append_exponent(char* buf, int e) -{ -JSON_ASSERT(e > -1000); -JSON_ASSERT(e < 1000); - -if (e < 0) -{ -e = -e; -*buf++ = '-'; -} -else -{ -*buf++ = '+'; -} - -auto k = static_cast(e); -if (k < 10) -{ -// Always print at least two digits in the exponent. -// This is for compatibility with printf("%g"). -*buf++ = '0'; -*buf++ = static_cast('0' + k); -} -else if (k < 100) -{ -*buf++ = static_cast('0' + k / 10); -k %= 10; -*buf++ = static_cast('0' + k); -} -else -{ -*buf++ = static_cast('0' + k / 100); -k %= 100; -*buf++ = static_cast('0' + k / 10); -k %= 10; -*buf++ = static_cast('0' + k); -} - -return buf; -} - -/*! -@brief prettify v = buf * 10^decimal_exponent - -If v is in the range [10^min_exp, 10^max_exp) it will be printed in fixed-point -notation. Otherwise it will be printed in exponential notation. - -@pre min_exp < 0 -@pre max_exp > 0 -*/ -JSON_HEDLEY_NON_NULL(1) -JSON_HEDLEY_RETURNS_NON_NULL -inline char* format_buffer(char* buf, int len, int decimal_exponent, -int min_exp, int max_exp) -{ -JSON_ASSERT(min_exp < 0); -JSON_ASSERT(max_exp > 0); - -const int k = len; -const int n = len + decimal_exponent; - -// v = buf * 10^(n-k) -// k is the length of the buffer (number of decimal digits) -// n is the position of the decimal point relative to the start of the buffer. - -if (k <= n && n <= max_exp) -{ -// digits[000] -// len <= max_exp + 2 - -std::memset(buf + k, '0', static_cast(n) - static_cast(k)); -// Make it look like a floating-point number (#362, #378) -buf[n + 0] = '.'; -buf[n + 1] = '0'; -return buf + (static_cast(n) + 2); -} - -if (0 < n && n <= max_exp) -{ -// dig.its -// len <= max_digits10 + 1 - -JSON_ASSERT(k > n); - -std::memmove(buf + (static_cast(n) + 1), buf + n, static_cast(k) - static_cast(n)); -buf[n] = '.'; -return buf + (static_cast(k) + 1U); -} - -if (min_exp < n && n <= 0) -{ -// 0.[000]digits -// len <= 2 + (-min_exp - 1) + max_digits10 - -std::memmove(buf + (2 + static_cast(-n)), buf, static_cast(k)); -buf[0] = '0'; -buf[1] = '.'; -std::memset(buf + 2, '0', static_cast(-n)); -return buf + (2U + static_cast(-n) + static_cast(k)); -} - -if (k == 1) -{ -// dE+123 -// len <= 1 + 5 - -buf += 1; -} -else -{ -// d.igitsE+123 -// len <= max_digits10 + 1 + 5 - -std::memmove(buf + 2, buf + 1, static_cast(k) - 1); -buf[1] = '.'; -buf += 1 + static_cast(k); -} - -*buf++ = 'e'; -return append_exponent(buf, n - 1); -} - -} // namespace dtoa_impl - -/*! -@brief generates a decimal representation of the floating-point number value in [first, last). - -The format of the resulting decimal representation is similar to printf's %g -format. Returns an iterator pointing past-the-end of the decimal representation. - -@note The input number must be finite, i.e. NaN's and Inf's are not supported. -@note The buffer must be large enough. -@note The result is NOT null-terminated. -*/ -template -JSON_HEDLEY_NON_NULL(1, 2) -JSON_HEDLEY_RETURNS_NON_NULL -char* to_chars(char* first, const char* last, FloatType value) -{ -static_cast(last); // maybe unused - fix warning -JSON_ASSERT(std::isfinite(value)); - -// Use signbit(value) instead of (value < 0) since signbit works for -0. -if (std::signbit(value)) -{ -value = -value; -*first++ = '-'; -} - -if (value == 0) // +-0 -{ -*first++ = '0'; -// Make it look like a floating-point number (#362, #378) -*first++ = '.'; -*first++ = '0'; -return first; -} - -JSON_ASSERT(last - first >= std::numeric_limits::max_digits10); - -// Compute v = buffer * 10^decimal_exponent. -// The decimal digits are stored in the buffer, which needs to be interpreted -// as an unsigned decimal integer. -// len is the length of the buffer, i.e. the number of decimal digits. -int len = 0; -int decimal_exponent = 0; -dtoa_impl::grisu2(first, len, decimal_exponent, value); - -JSON_ASSERT(len <= std::numeric_limits::max_digits10); - -// Format the buffer like printf("%.*g", prec, value) -constexpr int kMinExp = -4; -// Use digits10 here to increase compatibility with version 2. -constexpr int kMaxExp = std::numeric_limits::digits10; - -JSON_ASSERT(last - first >= kMaxExp + 2); -JSON_ASSERT(last - first >= 2 + (-kMinExp - 1) + std::numeric_limits::max_digits10); -JSON_ASSERT(last - first >= std::numeric_limits::max_digits10 + 6); - -return dtoa_impl::format_buffer(first, len, decimal_exponent, kMinExp, kMaxExp); -} - -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - -// #include - -// #include - -// #include - - -namespace nlohmann -{ -namespace detail -{ -/////////////////// -// serialization // -/////////////////// - -/// how to treat decoding errors -enum class error_handler_t -{ -strict, ///< throw a type_error exception in case of invalid UTF-8 -replace, ///< replace invalid UTF-8 sequences with U+FFFD -ignore ///< ignore invalid UTF-8 sequences -}; - -template -class serializer -{ -using string_t = typename BasicJsonType::string_t; -using number_float_t = typename BasicJsonType::number_float_t; -using number_integer_t = typename BasicJsonType::number_integer_t; -using number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using binary_char_t = typename BasicJsonType::binary_t::value_type; -static constexpr std::uint8_t UTF8_ACCEPT = 0; -static constexpr std::uint8_t UTF8_REJECT = 1; - -public: -/*! - @param[in] s output stream to serialize to - @param[in] ichar indentation character to use - @param[in] error_handler_ how to react on decoding errors - */ -serializer(output_adapter_t s, const char ichar, -error_handler_t error_handler_ = error_handler_t::strict) -: o(std::move(s)) -, loc(std::localeconv()) -, thousands_sep(loc->thousands_sep == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->thousands_sep))) -, decimal_point(loc->decimal_point == nullptr ? '\0' : std::char_traits::to_char_type(* (loc->decimal_point))) -, indent_char(ichar) -, indent_string(512, indent_char) -, error_handler(error_handler_) -{} - -// delete because of pointer members -serializer(const serializer&) = delete; -serializer& operator=(const serializer&) = delete; -serializer(serializer&&) = delete; -serializer& operator=(serializer&&) = delete; -~serializer() = default; - -/*! - @brief internal implementation of the serialization function - - This function is called by the public member function dump and organizes - the serialization internally. The indentation level is propagated as - additional parameter. In case of arrays and objects, the function is - called recursively. - - - strings and object keys are escaped using `escape_string()` - - integer numbers are converted implicitly via `operator<<` - - floating-point numbers are converted to a string using `"%g"` format - - binary values are serialized as objects containing the subtype and the - byte array - - @param[in] val value to serialize - @param[in] pretty_print whether the output shall be pretty-printed - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] indent_step the indent level - @param[in] current_indent the current indent level (only used internally) - */ -void dump(const BasicJsonType& val, -const bool pretty_print, -const bool ensure_ascii, -const unsigned int indent_step, -const unsigned int current_indent = 0) -{ -switch (val.m_type) -{ -case value_t::object: -{ -if (val.m_value.object->empty()) -{ -o->write_characters("{}", 2); -return; -} - -if (pretty_print) -{ -o->write_characters("{\n", 2); - -// variable to hold indentation for recursive calls -const auto new_indent = current_indent + indent_step; -if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) -{ -indent_string.resize(indent_string.size() * 2, ' '); -} - -// first n-1 elements -auto i = val.m_value.object->cbegin(); -for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) -{ -o->write_characters(indent_string.c_str(), new_indent); -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\": ", 3); -dump(i->second, true, ensure_ascii, indent_step, new_indent); -o->write_characters(",\n", 2); -} - -// last element -JSON_ASSERT(i != val.m_value.object->cend()); -JSON_ASSERT(std::next(i) == val.m_value.object->cend()); -o->write_characters(indent_string.c_str(), new_indent); -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\": ", 3); -dump(i->second, true, ensure_ascii, indent_step, new_indent); - -o->write_character('\n'); -o->write_characters(indent_string.c_str(), current_indent); -o->write_character('}'); -} -else -{ -o->write_character('{'); - -// first n-1 elements -auto i = val.m_value.object->cbegin(); -for (std::size_t cnt = 0; cnt < val.m_value.object->size() - 1; ++cnt, ++i) -{ -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\":", 2); -dump(i->second, false, ensure_ascii, indent_step, current_indent); -o->write_character(','); -} - -// last element -JSON_ASSERT(i != val.m_value.object->cend()); -JSON_ASSERT(std::next(i) == val.m_value.object->cend()); -o->write_character('\"'); -dump_escaped(i->first, ensure_ascii); -o->write_characters("\":", 2); -dump(i->second, false, ensure_ascii, indent_step, current_indent); - -o->write_character('}'); -} - -return; -} - -case value_t::array: -{ -if (val.m_value.array->empty()) -{ -o->write_characters("[]", 2); -return; -} - -if (pretty_print) -{ -o->write_characters("[\n", 2); - -// variable to hold indentation for recursive calls -const auto new_indent = current_indent + indent_step; -if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) -{ -indent_string.resize(indent_string.size() * 2, ' '); -} - -// first n-1 elements -for (auto i = val.m_value.array->cbegin(); -i != val.m_value.array->cend() - 1; ++i) -{ -o->write_characters(indent_string.c_str(), new_indent); -dump(*i, true, ensure_ascii, indent_step, new_indent); -o->write_characters(",\n", 2); -} - -// last element -JSON_ASSERT(!val.m_value.array->empty()); -o->write_characters(indent_string.c_str(), new_indent); -dump(val.m_value.array->back(), true, ensure_ascii, indent_step, new_indent); - -o->write_character('\n'); -o->write_characters(indent_string.c_str(), current_indent); -o->write_character(']'); -} -else -{ -o->write_character('['); - -// first n-1 elements -for (auto i = val.m_value.array->cbegin(); -i != val.m_value.array->cend() - 1; ++i) -{ -dump(*i, false, ensure_ascii, indent_step, current_indent); -o->write_character(','); -} - -// last element -JSON_ASSERT(!val.m_value.array->empty()); -dump(val.m_value.array->back(), false, ensure_ascii, indent_step, current_indent); - -o->write_character(']'); -} - -return; -} - -case value_t::string: -{ -o->write_character('\"'); -dump_escaped(*val.m_value.string, ensure_ascii); -o->write_character('\"'); -return; -} - -case value_t::binary: -{ -if (pretty_print) -{ -o->write_characters("{\n", 2); - -// variable to hold indentation for recursive calls -const auto new_indent = current_indent + indent_step; -if (JSON_HEDLEY_UNLIKELY(indent_string.size() < new_indent)) -{ -indent_string.resize(indent_string.size() * 2, ' '); -} - -o->write_characters(indent_string.c_str(), new_indent); - -o->write_characters("\"bytes\": [", 10); - -if (!val.m_value.binary->empty()) -{ -for (auto i = val.m_value.binary->cbegin(); -i != val.m_value.binary->cend() - 1; ++i) -{ -dump_integer(*i); -o->write_characters(", ", 2); -} -dump_integer(val.m_value.binary->back()); -} - -o->write_characters("],\n", 3); -o->write_characters(indent_string.c_str(), new_indent); - -o->write_characters("\"subtype\": ", 11); -if (val.m_value.binary->has_subtype()) -{ -dump_integer(val.m_value.binary->subtype()); -} -else -{ -o->write_characters("null", 4); -} -o->write_character('\n'); -o->write_characters(indent_string.c_str(), current_indent); -o->write_character('}'); -} -else -{ -o->write_characters("{\"bytes\":[", 10); - -if (!val.m_value.binary->empty()) -{ -for (auto i = val.m_value.binary->cbegin(); -i != val.m_value.binary->cend() - 1; ++i) -{ -dump_integer(*i); -o->write_character(','); -} -dump_integer(val.m_value.binary->back()); -} - -o->write_characters("],\"subtype\":", 12); -if (val.m_value.binary->has_subtype()) -{ -dump_integer(val.m_value.binary->subtype()); -o->write_character('}'); -} -else -{ -o->write_characters("null}", 5); -} -} -return; -} - -case value_t::boolean: -{ -if (val.m_value.boolean) -{ -o->write_characters("true", 4); -} -else -{ -o->write_characters("false", 5); -} -return; -} - -case value_t::number_integer: -{ -dump_integer(val.m_value.number_integer); -return; -} - -case value_t::number_unsigned: -{ -dump_integer(val.m_value.number_unsigned); -return; -} - -case value_t::number_float: -{ -dump_float(val.m_value.number_float); -return; -} - -case value_t::discarded: -{ -o->write_characters("", 11); -return; -} - -case value_t::null: -{ -o->write_characters("null", 4); -return; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -} - -JSON_PRIVATE_UNLESS_TESTED: -/*! - @brief dump escaped string - - Escape a string by replacing certain special characters by a sequence of an - escape character (backslash) and another character and other control - characters by a sequence of "\u" followed by a four-digit hex - representation. The escaped string is written to output stream @a o. - - @param[in] s the string to escape - @param[in] ensure_ascii whether to escape non-ASCII characters with - \uXXXX sequences - - @complexity Linear in the length of string @a s. - */ -void dump_escaped(const string_t& s, const bool ensure_ascii) -{ -std::uint32_t codepoint; -std::uint8_t state = UTF8_ACCEPT; -std::size_t bytes = 0; // number of bytes written to string_buffer - -// number of bytes written at the point of the last valid byte -std::size_t bytes_after_last_accept = 0; -std::size_t undumped_chars = 0; - -for (std::size_t i = 0; i < s.size(); ++i) -{ -const auto byte = static_cast(s[i]); - -switch (decode(state, codepoint, byte)) -{ -case UTF8_ACCEPT: // decode found a new code point -{ -switch (codepoint) -{ -case 0x08: // backspace -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'b'; -break; -} - -case 0x09: // horizontal tab -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 't'; -break; -} - -case 0x0A: // newline -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'n'; -break; -} - -case 0x0C: // formfeed -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'f'; -break; -} - -case 0x0D: // carriage return -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'r'; -break; -} - -case 0x22: // quotation mark -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = '\"'; -break; -} - -case 0x5C: // reverse solidus -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = '\\'; -break; -} - -default: -{ -// escape control characters (0x00..0x1F) or, if -// ensure_ascii parameter is used, non-ASCII characters -if ((codepoint <= 0x1F) || (ensure_ascii && (codepoint >= 0x7F))) -{ -if (codepoint <= 0xFFFF) -{ -(std::snprintf)(string_buffer.data() + bytes, 7, "\\u%04x", -static_cast(codepoint)); -bytes += 6; -} -else -{ -(std::snprintf)(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x", -static_cast(0xD7C0u + (codepoint >> 10u)), -static_cast(0xDC00u + (codepoint & 0x3FFu))); -bytes += 12; -} -} -else -{ -// copy byte to buffer (all previous bytes -// been copied have in default case above) -string_buffer[bytes++] = s[i]; -} -break; -} -} - -// write buffer and reset index; there must be 13 bytes -// left, as this is the maximal number of bytes to be -// written ("\uxxxx\uxxxx\0") for one code point -if (string_buffer.size() - bytes < 13) -{ -o->write_characters(string_buffer.data(), bytes); -bytes = 0; -} - -// remember the byte position of this accept -bytes_after_last_accept = bytes; -undumped_chars = 0; -break; -} - -case UTF8_REJECT: // decode found invalid UTF-8 byte -{ -switch (error_handler) -{ -case error_handler_t::strict: -{ -std::string sn(3, '\0'); -(std::snprintf)(&sn[0], sn.size(), "%.2X", byte); -JSON_THROW(type_error::create(316, "invalid UTF-8 byte at index " + std::to_string(i) + ": 0x" + sn)); -} - -case error_handler_t::ignore: -case error_handler_t::replace: -{ -// in case we saw this character the first time, we -// would like to read it again, because the byte -// may be OK for itself, but just not OK for the -// previous sequence -if (undumped_chars > 0) -{ ---i; -} - -// reset length buffer to the last accepted index; -// thus removing/ignoring the invalid characters -bytes = bytes_after_last_accept; - -if (error_handler == error_handler_t::replace) -{ -// add a replacement character -if (ensure_ascii) -{ -string_buffer[bytes++] = '\\'; -string_buffer[bytes++] = 'u'; -string_buffer[bytes++] = 'f'; -string_buffer[bytes++] = 'f'; -string_buffer[bytes++] = 'f'; -string_buffer[bytes++] = 'd'; -} -else -{ -string_buffer[bytes++] = detail::binary_writer::to_char_type('\xEF'); -string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBF'); -string_buffer[bytes++] = detail::binary_writer::to_char_type('\xBD'); -} - -// write buffer and reset index; there must be 13 bytes -// left, as this is the maximal number of bytes to be -// written ("\uxxxx\uxxxx\0") for one code point -if (string_buffer.size() - bytes < 13) -{ -o->write_characters(string_buffer.data(), bytes); -bytes = 0; -} - -bytes_after_last_accept = bytes; -} - -undumped_chars = 0; - -// continue processing the string -state = UTF8_ACCEPT; -break; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -break; -} - -default: // decode found yet incomplete multi-byte code point -{ -if (!ensure_ascii) -{ -// code point will not be escaped - copy byte to buffer -string_buffer[bytes++] = s[i]; -} -++undumped_chars; -break; -} -} -} - -// we finished processing the string -if (JSON_HEDLEY_LIKELY(state == UTF8_ACCEPT)) -{ -// write buffer -if (bytes > 0) -{ -o->write_characters(string_buffer.data(), bytes); -} -} -else -{ -// we finish reading, but do not accept: string was incomplete -switch (error_handler) -{ -case error_handler_t::strict: -{ -std::string sn(3, '\0'); -(std::snprintf)(&sn[0], sn.size(), "%.2X", static_cast(s.back())); -JSON_THROW(type_error::create(316, "incomplete UTF-8 string; last byte: 0x" + sn)); -} - -case error_handler_t::ignore: -{ -// write all accepted bytes -o->write_characters(string_buffer.data(), bytes_after_last_accept); -break; -} - -case error_handler_t::replace: -{ -// write all accepted bytes -o->write_characters(string_buffer.data(), bytes_after_last_accept); -// add a replacement character -if (ensure_ascii) -{ -o->write_characters("\\ufffd", 6); -} -else -{ -o->write_characters("\xEF\xBF\xBD", 3); -} -break; -} - -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -} -} - -private: -/*! - @brief count digits - - Count the number of decimal (base 10) digits for an input unsigned integer. - - @param[in] x unsigned integer number to count its digits - @return number of decimal digits - */ -inline unsigned int count_digits(number_unsigned_t x) noexcept -{ -unsigned int n_digits = 1; -for (;;) -{ -if (x < 10) -{ -return n_digits; -} -if (x < 100) -{ -return n_digits + 1; -} -if (x < 1000) -{ -return n_digits + 2; -} -if (x < 10000) -{ -return n_digits + 3; -} -x = x / 10000u; -n_digits += 4; -} -} - -/*! - @brief dump an integer - - Dump a given integer to output stream @a o. Works internally with - @a number_buffer. - - @param[in] x integer number (signed or unsigned) to dump - @tparam NumberType either @a number_integer_t or @a number_unsigned_t - */ -template < typename NumberType, detail::enable_if_t < -std::is_same::value || -std::is_same::value || -std::is_same::value, -int > = 0 > -void dump_integer(NumberType x) -{ -static constexpr std::array, 100> digits_to_99 -{ -{ -{{'0', '0'}}, {{'0', '1'}}, {{'0', '2'}}, {{'0', '3'}}, {{'0', '4'}}, {{'0', '5'}}, {{'0', '6'}}, {{'0', '7'}}, {{'0', '8'}}, {{'0', '9'}}, -{{'1', '0'}}, {{'1', '1'}}, {{'1', '2'}}, {{'1', '3'}}, {{'1', '4'}}, {{'1', '5'}}, {{'1', '6'}}, {{'1', '7'}}, {{'1', '8'}}, {{'1', '9'}}, -{{'2', '0'}}, {{'2', '1'}}, {{'2', '2'}}, {{'2', '3'}}, {{'2', '4'}}, {{'2', '5'}}, {{'2', '6'}}, {{'2', '7'}}, {{'2', '8'}}, {{'2', '9'}}, -{{'3', '0'}}, {{'3', '1'}}, {{'3', '2'}}, {{'3', '3'}}, {{'3', '4'}}, {{'3', '5'}}, {{'3', '6'}}, {{'3', '7'}}, {{'3', '8'}}, {{'3', '9'}}, -{{'4', '0'}}, {{'4', '1'}}, {{'4', '2'}}, {{'4', '3'}}, {{'4', '4'}}, {{'4', '5'}}, {{'4', '6'}}, {{'4', '7'}}, {{'4', '8'}}, {{'4', '9'}}, -{{'5', '0'}}, {{'5', '1'}}, {{'5', '2'}}, {{'5', '3'}}, {{'5', '4'}}, {{'5', '5'}}, {{'5', '6'}}, {{'5', '7'}}, {{'5', '8'}}, {{'5', '9'}}, -{{'6', '0'}}, {{'6', '1'}}, {{'6', '2'}}, {{'6', '3'}}, {{'6', '4'}}, {{'6', '5'}}, {{'6', '6'}}, {{'6', '7'}}, {{'6', '8'}}, {{'6', '9'}}, -{{'7', '0'}}, {{'7', '1'}}, {{'7', '2'}}, {{'7', '3'}}, {{'7', '4'}}, {{'7', '5'}}, {{'7', '6'}}, {{'7', '7'}}, {{'7', '8'}}, {{'7', '9'}}, -{{'8', '0'}}, {{'8', '1'}}, {{'8', '2'}}, {{'8', '3'}}, {{'8', '4'}}, {{'8', '5'}}, {{'8', '6'}}, {{'8', '7'}}, {{'8', '8'}}, {{'8', '9'}}, -{{'9', '0'}}, {{'9', '1'}}, {{'9', '2'}}, {{'9', '3'}}, {{'9', '4'}}, {{'9', '5'}}, {{'9', '6'}}, {{'9', '7'}}, {{'9', '8'}}, {{'9', '9'}}, -} -}; - -// special case for "0" -if (x == 0) -{ -o->write_character('0'); -return; -} - -// use a pointer to fill the buffer -auto buffer_ptr = number_buffer.begin(); - -const bool is_negative = std::is_same::value && !(x >= 0); // see issue #755 -number_unsigned_t abs_value; - -unsigned int n_chars; - -if (is_negative) -{ -*buffer_ptr = '-'; -abs_value = remove_sign(static_cast(x)); - -// account one more byte for the minus sign -n_chars = 1 + count_digits(abs_value); -} -else -{ -abs_value = static_cast(x); -n_chars = count_digits(abs_value); -} - -// spare 1 byte for '\0' -JSON_ASSERT(n_chars < number_buffer.size() - 1); - -// jump to the end to generate the string from backward -// so we later avoid reversing the result -buffer_ptr += n_chars; - -// Fast int2ascii implementation inspired by "Fastware" talk by Andrei Alexandrescu -// See: https://www.youtube.com/watch?v=o4-CwDo2zpg -while (abs_value >= 100) -{ -const auto digits_index = static_cast((abs_value % 100)); -abs_value /= 100; -*(--buffer_ptr) = digits_to_99[digits_index][1]; -*(--buffer_ptr) = digits_to_99[digits_index][0]; -} - -if (abs_value >= 10) -{ -const auto digits_index = static_cast(abs_value); -*(--buffer_ptr) = digits_to_99[digits_index][1]; -*(--buffer_ptr) = digits_to_99[digits_index][0]; -} -else -{ -*(--buffer_ptr) = static_cast('0' + abs_value); -} - -o->write_characters(number_buffer.data(), n_chars); -} - -/*! - @brief dump a floating-point number - - Dump a given floating-point number to output stream @a o. Works internally - with @a number_buffer. - - @param[in] x floating-point number to dump - */ -void dump_float(number_float_t x) -{ -// NaN / inf -if (!std::isfinite(x)) -{ -o->write_characters("null", 4); -return; -} - -// If number_float_t is an IEEE-754 single or double precision number, -// use the Grisu2 algorithm to produce short numbers which are -// guaranteed to round-trip, using strtof and strtod, resp. -// -// NB: The test below works if == . -static constexpr bool is_ieee_single_or_double -= (std::numeric_limits::is_iec559 && std::numeric_limits::digits == 24 && std::numeric_limits::max_exponent == 128) || -(std::numeric_limits::is_iec559 && std::numeric_limits::digits == 53 && std::numeric_limits::max_exponent == 1024); - -dump_float(x, std::integral_constant()); -} - -void dump_float(number_float_t x, std::true_type /*is_ieee_single_or_double*/) -{ -char* begin = number_buffer.data(); -char* end = ::nlohmann::detail::to_chars(begin, begin + number_buffer.size(), x); - -o->write_characters(begin, static_cast(end - begin)); -} - -void dump_float(number_float_t x, std::false_type /*is_ieee_single_or_double*/) -{ -// get number of digits for a float -> text -> float round-trip -static constexpr auto d = std::numeric_limits::max_digits10; - -// the actual conversion -std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x); - -// negative value indicates an error -JSON_ASSERT(len > 0); -// check if buffer was large enough -JSON_ASSERT(static_cast(len) < number_buffer.size()); - -// erase thousands separator -if (thousands_sep != '\0') -{ -const auto end = std::remove(number_buffer.begin(), -number_buffer.begin() + len, thousands_sep); -std::fill(end, number_buffer.end(), '\0'); -JSON_ASSERT((end - number_buffer.begin()) <= len); -len = (end - number_buffer.begin()); -} - -// convert decimal point to '.' -if (decimal_point != '\0' && decimal_point != '.') -{ -const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point); -if (dec_pos != number_buffer.end()) -{ -*dec_pos = '.'; -} -} - -o->write_characters(number_buffer.data(), static_cast(len)); - -// determine if need to append ".0" -const bool value_is_int_like = -std::none_of(number_buffer.begin(), number_buffer.begin() + len + 1, -[](char c) -{ -return c == '.' || c == 'e'; -}); - -if (value_is_int_like) -{ -o->write_characters(".0", 2); -} -} - -/*! - @brief check whether a string is UTF-8 encoded - - The function checks each byte of a string whether it is UTF-8 encoded. The - result of the check is stored in the @a state parameter. The function must - be called initially with state 0 (accept). State 1 means the string must - be rejected, because the current byte is not allowed. If the string is - completely processed, but the state is non-zero, the string ended - prematurely; that is, the last byte indicated more bytes should have - followed. - - @param[in,out] state the state of the decoding - @param[in,out] codep codepoint (valid only if resulting state is UTF8_ACCEPT) - @param[in] byte next byte to decode - @return new state - - @note The function has been edited: a std::array is used. - - @copyright Copyright (c) 2008-2009 Bjoern Hoehrmann - @sa http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ - */ -static std::uint8_t decode(std::uint8_t& state, std::uint32_t& codep, const std::uint8_t byte) noexcept -{ -static const std::array utf8d = -{ -{ -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00..1F -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20..3F -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 40..5F -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 60..7F -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 80..9F -7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // A0..BF -8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // C0..DF -0xA, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x3, 0x4, 0x3, 0x3, // E0..EF -0xB, 0x6, 0x6, 0x6, 0x5, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, 0x8, // F0..FF -0x0, 0x1, 0x2, 0x3, 0x5, 0x8, 0x7, 0x1, 0x1, 0x1, 0x4, 0x6, 0x1, 0x1, 0x1, 0x1, // s0..s0 -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, // s1..s2 -1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, // s3..s4 -1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, // s5..s6 -1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // s7..s8 -} -}; - -JSON_ASSERT(byte < utf8d.size()); -const std::uint8_t type = utf8d[byte]; - -codep = (state != UTF8_ACCEPT) -? (byte & 0x3fu) | (codep << 6u) -: (0xFFu >> type) & (byte); - -std::size_t index = 256u + static_cast(state) * 16u + static_cast(type); -JSON_ASSERT(index < 400); -state = utf8d[index]; -return state; -} - -/* - * Overload to make the compiler happy while it is instantiating - * dump_integer for number_unsigned_t. - * Must never be called. - */ -number_unsigned_t remove_sign(number_unsigned_t x) -{ -JSON_ASSERT(false); // LCOV_EXCL_LINE -return x; // LCOV_EXCL_LINE -} - -/* - * Helper function for dump_integer - * - * This function takes a negative signed integer and returns its absolute - * value as unsigned integer. The plus/minus shuffling is necessary as we can - * not directly remove the sign of an arbitrary signed integer as the - * absolute values of INT_MIN and INT_MAX are usually not the same. See - * #1708 for details. - */ -inline number_unsigned_t remove_sign(number_integer_t x) noexcept -{ -JSON_ASSERT(x < 0 && x < (std::numeric_limits::max)()); -return static_cast(-(x + 1)) + 1; -} - -private: -/// the output of the serializer -output_adapter_t o = nullptr; - -/// a (hopefully) large enough character buffer -std::array number_buffer{{}}; - -/// the locale -const std::lconv* loc = nullptr; -/// the locale's thousand separator character -const char thousands_sep = '\0'; -/// the locale's decimal point character -const char decimal_point = '\0'; - -/// string buffer -std::array string_buffer{{}}; - -/// the indentation character -const char indent_char; -/// the indentation string -string_t indent_string; - -/// error_handler how to react on decoding errors -const error_handler_t error_handler; -}; -} // namespace detail -} // namespace nlohmann - -// #include - -// #include - -// #include - - -#include // less -#include // allocator -#include // pair -#include // vector - -// #include - - -namespace nlohmann -{ - -/// ordered_map: a minimal map-like container that preserves insertion order -/// for use within nlohmann::basic_json -template , -class Allocator = std::allocator>> -struct ordered_map : std::vector, Allocator> -{ -using key_type = Key; -using mapped_type = T; -using Container = std::vector, Allocator>; -using typename Container::iterator; -using typename Container::const_iterator; -using typename Container::size_type; -using typename Container::value_type; - -// Explicit constructors instead of `using Container::Container` -// otherwise older compilers choke on it (GCC <= 5.5, xcode <= 9.4) -ordered_map(const Allocator& alloc = Allocator()) : Container{alloc} {} -template -ordered_map(It first, It last, const Allocator& alloc = Allocator()) -: Container{first, last, alloc} {} -ordered_map(std::initializer_list init, const Allocator& alloc = Allocator() ) -: Container{init, alloc} {} - -std::pair emplace(const key_type& key, T&& t) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return {it, false}; -} -} -Container::emplace_back(key, t); -return {--this->end(), true}; -} - -T& operator[](const Key& key) -{ -return emplace(key, T{}).first->second; -} - -const T& operator[](const Key& key) const -{ -return at(key); -} - -T& at(const Key& key) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it->second; -} -} - -JSON_THROW(std::out_of_range("key not found")); -} - -const T& at(const Key& key) const -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it->second; -} -} - -JSON_THROW(std::out_of_range("key not found")); -} - -size_type erase(const Key& key) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -// Since we cannot move const Keys, re-construct them in place -for (auto next = it; ++next != this->end(); ++it) -{ -it->~value_type(); // Destroy but keep allocation -new (&*it) value_type{std::move(*next)}; -} -Container::pop_back(); -return 1; -} -} -return 0; -} - -iterator erase(iterator pos) -{ -auto it = pos; - -// Since we cannot move const Keys, re-construct them in place -for (auto next = it; ++next != this->end(); ++it) -{ -it->~value_type(); // Destroy but keep allocation -new (&*it) value_type{std::move(*next)}; -} -Container::pop_back(); -return pos; -} - -size_type count(const Key& key) const -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return 1; -} -} -return 0; -} - -iterator find(const Key& key) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it; -} -} -return Container::end(); -} - -const_iterator find(const Key& key) const -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == key) -{ -return it; -} -} -return Container::end(); -} - -std::pair insert( value_type&& value ) -{ -return emplace(value.first, std::move(value.second)); -} - -std::pair insert( const value_type& value ) -{ -for (auto it = this->begin(); it != this->end(); ++it) -{ -if (it->first == value.first) -{ -return {it, false}; -} -} -Container::push_back(value); -return {--this->end(), true}; -} - -template -using require_input_iter = typename std::enable_if::iterator_category, -std::input_iterator_tag>::value>::type; - -template> -void insert(InputIt first, InputIt last) -{ -for (auto it = first; it != last; ++it) -{ -insert(*it); -} -} -}; - -} // namespace nlohmann - - -#if defined(JSON_HAS_CPP_17) -#include -#endif - -/*! -@brief namespace for Niels Lohmann -@see https://github.com/nlohmann -@since version 1.0.0 -*/ -namespace nlohmann -{ - -/*! -@brief a class to store JSON values - -@tparam ObjectType type for JSON objects (`std::map` by default; will be used -in @ref object_t) -@tparam ArrayType type for JSON arrays (`std::vector` by default; will be used -in @ref array_t) -@tparam StringType type for JSON strings and object keys (`std::string` by -default; will be used in @ref string_t) -@tparam BooleanType type for JSON booleans (`bool` by default; will be used -in @ref boolean_t) -@tparam NumberIntegerType type for JSON integer numbers (`int64_t` by -default; will be used in @ref number_integer_t) -@tparam NumberUnsignedType type for JSON unsigned integer numbers (@c -`uint64_t` by default; will be used in @ref number_unsigned_t) -@tparam NumberFloatType type for JSON floating-point numbers (`double` by -default; will be used in @ref number_float_t) -@tparam BinaryType type for packed binary data for compatibility with binary -serialization formats (`std::vector` by default; will be used in -@ref binary_t) -@tparam AllocatorType type of the allocator to use (`std::allocator` by -default) -@tparam JSONSerializer the serializer to resolve internal calls to `to_json()` -and `from_json()` (@ref adl_serializer by default) - -@requirement The class satisfies the following concept requirements: -- Basic - - [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible): - JSON values can be default constructed. The result will be a JSON null - value. - - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible): - A JSON value can be constructed from an rvalue argument. - - [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible): - A JSON value can be copy-constructed from an lvalue expression. - - [MoveAssignable](https://en.cppreference.com/w/cpp/named_req/MoveAssignable): - A JSON value van be assigned from an rvalue argument. - - [CopyAssignable](https://en.cppreference.com/w/cpp/named_req/CopyAssignable): - A JSON value can be copy-assigned from an lvalue expression. - - [Destructible](https://en.cppreference.com/w/cpp/named_req/Destructible): - JSON values can be destructed. -- Layout - - [StandardLayoutType](https://en.cppreference.com/w/cpp/named_req/StandardLayoutType): - JSON values have - [standard layout](https://en.cppreference.com/w/cpp/language/data_members#Standard_layout): - All non-static data members are private and standard layout types, the - class has no virtual functions or (virtual) base classes. -- Library-wide - - [EqualityComparable](https://en.cppreference.com/w/cpp/named_req/EqualityComparable): - JSON values can be compared with `==`, see @ref - operator==(const_reference,const_reference). - - [LessThanComparable](https://en.cppreference.com/w/cpp/named_req/LessThanComparable): - JSON values can be compared with `<`, see @ref - operator<(const_reference,const_reference). - - [Swappable](https://en.cppreference.com/w/cpp/named_req/Swappable): - Any JSON lvalue or rvalue of can be swapped with any lvalue or rvalue of - other compatible types, using unqualified function call @ref swap(). - - [NullablePointer](https://en.cppreference.com/w/cpp/named_req/NullablePointer): - JSON values can be compared against `std::nullptr_t` objects which are used - to model the `null` value. -- Container - - [Container](https://en.cppreference.com/w/cpp/named_req/Container): - JSON values can be used like STL containers and provide iterator access. - - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer); - JSON values can be used like STL containers and provide reverse iterator - access. - -@invariant The member variables @a m_value and @a m_type have the following -relationship: -- If `m_type == value_t::object`, then `m_value.object != nullptr`. -- If `m_type == value_t::array`, then `m_value.array != nullptr`. -- If `m_type == value_t::string`, then `m_value.string != nullptr`. -The invariants are checked by member function assert_invariant(). - -@internal -@note ObjectType trick from https://stackoverflow.com/a/9860911 -@endinternal - -@see [RFC 7159: The JavaScript Object Notation (JSON) Data Interchange -Format](http://rfc7159.net/rfc7159) - -@since version 1.0.0 - -@nosubgrouping -*/ -NLOHMANN_BASIC_JSON_TPL_DECLARATION -class basic_json -{ -private: -template friend struct detail::external_constructor; -friend ::nlohmann::json_pointer; - -template -friend class ::nlohmann::detail::parser; -friend ::nlohmann::detail::serializer; -template -friend class ::nlohmann::detail::iter_impl; -template -friend class ::nlohmann::detail::binary_writer; -template -friend class ::nlohmann::detail::binary_reader; -template -friend class ::nlohmann::detail::json_sax_dom_parser; -template -friend class ::nlohmann::detail::json_sax_dom_callback_parser; - -/// workaround type for MSVC -using basic_json_t = NLOHMANN_BASIC_JSON_TPL; - -JSON_PRIVATE_UNLESS_TESTED: -// convenience aliases for types residing in namespace detail; -using lexer = ::nlohmann::detail::lexer_base; - -template -static ::nlohmann::detail::parser parser( -InputAdapterType adapter, -detail::parser_callback_tcb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false -) -{ -return ::nlohmann::detail::parser(std::move(adapter), -std::move(cb), allow_exceptions, ignore_comments); -} - -private: -using primitive_iterator_t = ::nlohmann::detail::primitive_iterator_t; -template -using internal_iterator = ::nlohmann::detail::internal_iterator; -template -using iter_impl = ::nlohmann::detail::iter_impl; -template -using iteration_proxy = ::nlohmann::detail::iteration_proxy; -template using json_reverse_iterator = ::nlohmann::detail::json_reverse_iterator; - -template -using output_adapter_t = ::nlohmann::detail::output_adapter_t; - -template -using binary_reader = ::nlohmann::detail::binary_reader; -template using binary_writer = ::nlohmann::detail::binary_writer; - -JSON_PRIVATE_UNLESS_TESTED: -using serializer = ::nlohmann::detail::serializer; - -public: -using value_t = detail::value_t; -/// JSON Pointer, see @ref nlohmann::json_pointer -using json_pointer = ::nlohmann::json_pointer; -template -using json_serializer = JSONSerializer; -/// how to treat decoding errors -using error_handler_t = detail::error_handler_t; -/// how to treat CBOR tags -using cbor_tag_handler_t = detail::cbor_tag_handler_t; -/// helper type for initializer lists of basic_json values -using initializer_list_t = std::initializer_list>; - -using input_format_t = detail::input_format_t; -/// SAX interface type, see @ref nlohmann::json_sax -using json_sax_t = json_sax; - -//////////////// -// exceptions // -//////////////// - -/// @name exceptions -/// Classes to implement user-defined exceptions. -/// @{ - -/// @copydoc detail::exception -using exception = detail::exception; -/// @copydoc detail::parse_error -using parse_error = detail::parse_error; -/// @copydoc detail::invalid_iterator -using invalid_iterator = detail::invalid_iterator; -/// @copydoc detail::type_error -using type_error = detail::type_error; -/// @copydoc detail::out_of_range -using out_of_range = detail::out_of_range; -/// @copydoc detail::other_error -using other_error = detail::other_error; - -/// @} - - -///////////////////// -// container types // -///////////////////// - -/// @name container types -/// The canonic container types to use @ref basic_json like any other STL -/// container. -/// @{ - -/// the type of elements in a basic_json container -using value_type = basic_json; - -/// the type of an element reference -using reference = value_type&; -/// the type of an element const reference -using const_reference = const value_type&; - -/// a type to represent differences between iterators -using difference_type = std::ptrdiff_t; -/// a type to represent container sizes -using size_type = std::size_t; - -/// the allocator type -using allocator_type = AllocatorType; - -/// the type of an element pointer -using pointer = typename std::allocator_traits::pointer; -/// the type of an element const pointer -using const_pointer = typename std::allocator_traits::const_pointer; - -/// an iterator for a basic_json container -using iterator = iter_impl; -/// a const iterator for a basic_json container -using const_iterator = iter_impl; -/// a reverse iterator for a basic_json container -using reverse_iterator = json_reverse_iterator; -/// a const reverse iterator for a basic_json container -using const_reverse_iterator = json_reverse_iterator; - -/// @} - - -/*! - @brief returns the allocator associated with the container - */ -static allocator_type get_allocator() -{ -return allocator_type(); -} - -/*! - @brief returns version information on the library - - This function returns a JSON object with information about the library, - including the version number and information on the platform and compiler. - - @return JSON object holding version information - key | description - ----------- | --------------- - `compiler` | Information on the used compiler. It is an object with the following keys: `c++` (the used C++ standard), `family` (the compiler family; possible values are `clang`, `icc`, `gcc`, `ilecpp`, `msvc`, `pgcpp`, `sunpro`, and `unknown`), and `version` (the compiler version). - `copyright` | The copyright line for the library as string. - `name` | The name of the library as string. - `platform` | The used platform as string. Possible values are `win32`, `linux`, `apple`, `unix`, and `unknown`. - `url` | The URL of the project as string. - `version` | The version of the library. It is an object with the following keys: `major`, `minor`, and `patch` as defined by [Semantic Versioning](http://semver.org), and `string` (the version string). - - @liveexample{The following code shows an example output of the `meta()` - function.,meta} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @complexity Constant. - - @since 2.1.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json meta() -{ -basic_json result; - -result["copyright"] = "(C) 2013-2020 Niels Lohmann"; -result["name"] = "JSON for Modern C++"; -result["url"] = "https://github.com/nlohmann/json"; -result["version"]["string"] = -std::to_string(NLOHMANN_JSON_VERSION_MAJOR) + "." + -std::to_string(NLOHMANN_JSON_VERSION_MINOR) + "." + -std::to_string(NLOHMANN_JSON_VERSION_PATCH); -result["version"]["major"] = NLOHMANN_JSON_VERSION_MAJOR; -result["version"]["minor"] = NLOHMANN_JSON_VERSION_MINOR; -result["version"]["patch"] = NLOHMANN_JSON_VERSION_PATCH; - -#ifdef _WIN32 -result["platform"] = "win32"; -#elif defined __linux__ -result["platform"] = "linux"; -#elif defined __APPLE__ -result["platform"] = "apple"; -#elif defined __unix__ -result["platform"] = "unix"; -#else -result["platform"] = "unknown"; -#endif - -#if defined(__ICC) || defined(__INTEL_COMPILER) -result["compiler"] = {{"family", "icc"}, {"version", __INTEL_COMPILER}}; -#elif defined(__clang__) -result["compiler"] = {{"family", "clang"}, {"version", __clang_version__}}; -#elif defined(__GNUC__) || defined(__GNUG__) -result["compiler"] = {{"family", "gcc"}, {"version", std::to_string(__GNUC__) + "." + std::to_string(__GNUC_MINOR__) + "." + std::to_string(__GNUC_PATCHLEVEL__)}}; -#elif defined(__HP_cc) || defined(__HP_aCC) -result["compiler"] = "hp" -#elif defined(__IBMCPP__) -result["compiler"] = {{"family", "ilecpp"}, {"version", __IBMCPP__}}; -#elif defined(_MSC_VER) -result["compiler"] = {{"family", "msvc"}, {"version", _MSC_VER}}; -#elif defined(__PGI) -result["compiler"] = {{"family", "pgcpp"}, {"version", __PGI}}; -#elif defined(__SUNPRO_CC) -result["compiler"] = {{"family", "sunpro"}, {"version", __SUNPRO_CC}}; -#else -result["compiler"] = {{"family", "unknown"}, {"version", "unknown"}}; -#endif - -#ifdef __cplusplus -result["compiler"]["c++"] = std::to_string(__cplusplus); -#else -result["compiler"]["c++"] = "unknown"; -#endif -return result; -} - - -/////////////////////////// -// JSON value data types // -/////////////////////////// - -/// @name JSON value data types -/// The data types to store a JSON value. These types are derived from -/// the template arguments passed to class @ref basic_json. -/// @{ - -#if defined(JSON_HAS_CPP_14) -// Use transparent comparator if possible, combined with perfect forwarding -// on find() and count() calls prevents unnecessary string construction. -using object_comparator_t = std::less<>; -#else -using object_comparator_t = std::less; -#endif - -/*! - @brief a type for an object - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON objects as follows: - > An object is an unordered collection of zero or more name/value pairs, - > where a name is a string and a value is a string, number, boolean, null, - > object, or array. - - To store objects in C++, a type is defined by the template parameters - described below. - - @tparam ObjectType the container to store objects (e.g., `std::map` or - `std::unordered_map`) - @tparam StringType the type of the keys or names (e.g., `std::string`). - The comparison function `std::less` is used to order elements - inside the container. - @tparam AllocatorType the allocator to use for objects (e.g., - `std::allocator`) - - #### Default type - - With the default values for @a ObjectType (`std::map`), @a StringType - (`std::string`), and @a AllocatorType (`std::allocator`), the default - value for @a object_t is: - - @code {.cpp} - std::map< - std::string, // key_type - basic_json, // value_type - std::less, // key_compare - std::allocator> // allocator_type - > - @endcode - - #### Behavior - - The choice of @a object_t influences the behavior of the JSON class. With - the default type, objects have the following behavior: - - - When all names are unique, objects will be interoperable in the sense - that all software implementations receiving that object will agree on - the name-value mappings. - - When the names within an object are not unique, it is unspecified which - one of the values for a given key will be chosen. For instance, - `{"key": 2, "key": 1}` could be equal to either `{"key": 1}` or - `{"key": 2}`. - - Internally, name/value pairs are stored in lexicographical order of the - names. Objects will also be serialized (see @ref dump) in this order. - For instance, `{"b": 1, "a": 2}` and `{"a": 2, "b": 1}` will be stored - and serialized as `{"a": 2, "b": 1}`. - - When comparing objects, the order of the name/value pairs is irrelevant. - This makes objects interoperable in the sense that they will not be - affected by these differences. For instance, `{"b": 1, "a": 2}` and - `{"a": 2, "b": 1}` will be treated as equal. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the object's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON object. - - #### Storage - - Objects are stored as pointers in a @ref basic_json type. That is, for any - access to object values, a pointer of type `object_t*` must be - dereferenced. - - @sa @ref array_t -- type for an array value - - @since version 1.0.0 - - @note The order name/value pairs are added to the object is *not* - preserved by the library. Therefore, iterating an object may return - name/value pairs in a different order than they were originally stored. In - fact, keys will be traversed in alphabetical order as `std::map` with - `std::less` is used by default. Please note this behavior conforms to [RFC - 7159](http://rfc7159.net/rfc7159), because any order implements the - specified "unordered" nature of JSON objects. - */ -using object_t = ObjectType>>; - -/*! - @brief a type for an array - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON arrays as follows: - > An array is an ordered sequence of zero or more values. - - To store objects in C++, a type is defined by the template parameters - explained below. - - @tparam ArrayType container type to store arrays (e.g., `std::vector` or - `std::list`) - @tparam AllocatorType allocator to use for arrays (e.g., `std::allocator`) - - #### Default type - - With the default values for @a ArrayType (`std::vector`) and @a - AllocatorType (`std::allocator`), the default value for @a array_t is: - - @code {.cpp} - std::vector< - basic_json, // value_type - std::allocator // allocator_type - > - @endcode - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the maximum depth of nesting. - - In this class, the array's limit of nesting is not explicitly constrained. - However, a maximum depth of nesting may be introduced by the compiler or - runtime environment. A theoretical limit can be queried by calling the - @ref max_size function of a JSON array. - - #### Storage - - Arrays are stored as pointers in a @ref basic_json type. That is, for any - access to array values, a pointer of type `array_t*` must be dereferenced. - - @sa @ref object_t -- type for an object value - - @since version 1.0.0 - */ -using array_t = ArrayType>; - -/*! - @brief a type for a string - - [RFC 7159](http://rfc7159.net/rfc7159) describes JSON strings as follows: - > A string is a sequence of zero or more Unicode characters. - - To store objects in C++, a type is defined by the template parameter - described below. Unicode values are split by the JSON class into - byte-sized characters during deserialization. - - @tparam StringType the container to store strings (e.g., `std::string`). - Note this container is used for keys/names in objects, see @ref object_t. - - #### Default type - - With the default values for @a StringType (`std::string`), the default - value for @a string_t is: - - @code {.cpp} - std::string - @endcode - - #### Encoding - - Strings are stored in UTF-8 encoding. Therefore, functions like - `std::string::size()` or `std::string::length()` return the number of - bytes in the string rather than the number of characters or glyphs. - - #### String comparison - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > Software implementations are typically required to test names of object - > members for equality. Implementations that transform the textual - > representation into sequences of Unicode code units and then perform the - > comparison numerically, code unit by code unit, are interoperable in the - > sense that implementations will agree in all cases on equality or - > inequality of two strings. For example, implementations that compare - > strings with escaped characters unconverted may incorrectly find that - > `"a\\b"` and `"a\u005Cb"` are not equal. - - This implementation is interoperable as it does compare strings code unit - by code unit. - - #### Storage - - String values are stored as pointers in a @ref basic_json type. That is, - for any access to string values, a pointer of type `string_t*` must be - dereferenced. - - @since version 1.0.0 - */ -using string_t = StringType; - -/*! - @brief a type for a boolean - - [RFC 7159](http://rfc7159.net/rfc7159) implicitly describes a boolean as a - type which differentiates the two literals `true` and `false`. - - To store objects in C++, a type is defined by the template parameter @a - BooleanType which chooses the type to use. - - #### Default type - - With the default values for @a BooleanType (`bool`), the default value for - @a boolean_t is: - - @code {.cpp} - bool - @endcode - - #### Storage - - Boolean values are stored directly inside a @ref basic_json type. - - @since version 1.0.0 - */ -using boolean_t = BooleanType; - -/*! - @brief a type for a number (integer) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store integer numbers in C++, a type is defined by the template - parameter @a NumberIntegerType which chooses the type to use. - - #### Default type - - With the default values for @a NumberIntegerType (`int64_t`), the default - value for @a number_integer_t is: - - @code {.cpp} - int64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `9223372036854775807` (INT64_MAX) and the minimal integer number - that can be stored is `-9223372036854775808` (INT64_MIN). Integer numbers - that are out of range will yield over/underflow when used in a - constructor. During deserialization, too large or small integer numbers - will be automatically be stored as @ref number_unsigned_t or @ref - number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange of the exactly supported range [INT64_MIN, - INT64_MAX], this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ -using number_integer_t = NumberIntegerType; - -/*! - @brief a type for a number (unsigned) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store unsigned integer numbers in C++, a type is defined by the - template parameter @a NumberUnsignedType which chooses the type to use. - - #### Default type - - With the default values for @a NumberUnsignedType (`uint64_t`), the - default value for @a number_unsigned_t is: - - @code {.cpp} - uint64_t - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in integer literals lead to an interpretation as octal - number. Internally, the value will be stored as decimal number. For - instance, the C++ integer literal `010` will be serialized to `8`. - During deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) specifies: - > An implementation may set limits on the range and precision of numbers. - - When the default type is used, the maximal integer number that can be - stored is `18446744073709551615` (UINT64_MAX) and the minimal integer - number that can be stored is `0`. Integer numbers that are out of range - will yield over/underflow when used in a constructor. During - deserialization, too large or small integer numbers will be automatically - be stored as @ref number_integer_t or @ref number_float_t. - - [RFC 7159](http://rfc7159.net/rfc7159) further states: - > Note that when such software is used, numbers that are integers and are - > in the range \f$[-2^{53}+1, 2^{53}-1]\f$ are interoperable in the sense - > that implementations will agree exactly on their numeric values. - - As this range is a subrange (when considered in conjunction with the - number_integer_t type) of the exactly supported range [0, UINT64_MAX], - this class's integer type is interoperable. - - #### Storage - - Integer number values are stored directly inside a @ref basic_json type. - - @sa @ref number_float_t -- type for number values (floating-point) - @sa @ref number_integer_t -- type for number values (integer) - - @since version 2.0.0 - */ -using number_unsigned_t = NumberUnsignedType; - -/*! - @brief a type for a number (floating-point) - - [RFC 7159](http://rfc7159.net/rfc7159) describes numbers as follows: - > The representation of numbers is similar to that used in most - > programming languages. A number is represented in base 10 using decimal - > digits. It contains an integer component that may be prefixed with an - > optional minus sign, which may be followed by a fraction part and/or an - > exponent part. Leading zeros are not allowed. (...) Numeric values that - > cannot be represented in the grammar below (such as Infinity and NaN) - > are not permitted. - - This description includes both integer and floating-point numbers. - However, C++ allows more precise storage if it is known whether the number - is a signed integer, an unsigned integer or a floating-point number. - Therefore, three different types, @ref number_integer_t, @ref - number_unsigned_t and @ref number_float_t are used. - - To store floating-point numbers in C++, a type is defined by the template - parameter @a NumberFloatType which chooses the type to use. - - #### Default type - - With the default values for @a NumberFloatType (`double`), the default - value for @a number_float_t is: - - @code {.cpp} - double - @endcode - - #### Default behavior - - - The restrictions about leading zeros is not enforced in C++. Instead, - leading zeros in floating-point literals will be ignored. Internally, - the value will be stored as decimal number. For instance, the C++ - floating-point literal `01.2` will be serialized to `1.2`. During - deserialization, leading zeros yield an error. - - Not-a-number (NaN) values will be serialized to `null`. - - #### Limits - - [RFC 7159](http://rfc7159.net/rfc7159) states: - > This specification allows implementations to set limits on the range and - > precision of numbers accepted. Since software that implements IEEE - > 754-2008 binary64 (double precision) numbers is generally available and - > widely used, good interoperability can be achieved by implementations - > that expect no more precision or range than these provide, in the sense - > that implementations will approximate JSON numbers within the expected - > precision. - - This implementation does exactly follow this approach, as it uses double - precision floating-point numbers. Note values smaller than - `-1.79769313486232e+308` and values greater than `1.79769313486232e+308` - will be stored as NaN internally and be serialized to `null`. - - #### Storage - - Floating-point number values are stored directly inside a @ref basic_json - type. - - @sa @ref number_integer_t -- type for number values (integer) - - @sa @ref number_unsigned_t -- type for number values (unsigned integer) - - @since version 1.0.0 - */ -using number_float_t = NumberFloatType; - -/*! - @brief a type for a packed binary type - - This type is a type designed to carry binary data that appears in various - serialized formats, such as CBOR's Major Type 2, MessagePack's bin, and - BSON's generic binary subtype. This type is NOT a part of standard JSON and - exists solely for compatibility with these binary types. As such, it is - simply defined as an ordered sequence of zero or more byte values. - - Additionally, as an implementation detail, the subtype of the binary data is - carried around as a `std::uint8_t`, which is compatible with both of the - binary data formats that use binary subtyping, (though the specific - numbering is incompatible with each other, and it is up to the user to - translate between them). - - [CBOR's RFC 7049](https://tools.ietf.org/html/rfc7049) describes this type - as: - > Major type 2: a byte string. The string's length in bytes is represented - > following the rules for positive integers (major type 0). - - [MessagePack's documentation on the bin type - family](https://github.com/msgpack/msgpack/blob/master/spec.md#bin-format-family) - describes this type as: - > Bin format family stores an byte array in 2, 3, or 5 bytes of extra bytes - > in addition to the size of the byte array. - - [BSON's specifications](http://bsonspec.org/spec.html) describe several - binary types; however, this type is intended to represent the generic binary - type which has the description: - > Generic binary subtype - This is the most commonly used binary subtype and - > should be the 'default' for drivers and tools. - - None of these impose any limitations on the internal representation other - than the basic unit of storage be some type of array whose parts are - decomposable into bytes. - - The default representation of this binary format is a - `std::vector`, which is a very common way to represent a byte - array in modern C++. - - #### Default type - - The default values for @a BinaryType is `std::vector` - - #### Storage - - Binary Arrays are stored as pointers in a @ref basic_json type. That is, - for any access to array values, a pointer of the type `binary_t*` must be - dereferenced. - - #### Notes on subtypes - - - CBOR - - Binary values are represented as byte strings. No subtypes are - supported and will be ignored when CBOR is written. - - MessagePack - - If a subtype is given and the binary array contains exactly 1, 2, 4, 8, - or 16 elements, the fixext family (fixext1, fixext2, fixext4, fixext8) - is used. For other sizes, the ext family (ext8, ext16, ext32) is used. - The subtype is then added as singed 8-bit integer. - - If no subtype is given, the bin family (bin8, bin16, bin32) is used. - - BSON - - If a subtype is given, it is used and added as unsigned 8-bit integer. - - If no subtype is given, the generic binary subtype 0x00 is used. - - @sa @ref binary -- create a binary array - - @since version 3.8.0 - */ -using binary_t = nlohmann::byte_container_with_subtype; -/// @} - -private: - -/// helper for exception-safe object creation -template -JSON_HEDLEY_RETURNS_NON_NULL -static T* create(Args&& ... args) -{ -AllocatorType alloc; -using AllocatorTraits = std::allocator_traits>; - -auto deleter = [&](T * obj) -{ -AllocatorTraits::deallocate(alloc, obj, 1); -}; -std::unique_ptr obj(AllocatorTraits::allocate(alloc, 1), deleter); -AllocatorTraits::construct(alloc, obj.get(), std::forward(args)...); -JSON_ASSERT(obj != nullptr); -return obj.release(); -} - -//////////////////////// -// JSON value storage // -//////////////////////// - -JSON_PRIVATE_UNLESS_TESTED: -/*! - @brief a JSON value - - The actual storage for a JSON value of the @ref basic_json class. This - union combines the different storage types for the JSON value types - defined in @ref value_t. - - JSON type | value_t type | used type - --------- | --------------- | ------------------------ - object | object | pointer to @ref object_t - array | array | pointer to @ref array_t - string | string | pointer to @ref string_t - boolean | boolean | @ref boolean_t - number | number_integer | @ref number_integer_t - number | number_unsigned | @ref number_unsigned_t - number | number_float | @ref number_float_t - binary | binary | pointer to @ref binary_t - null | null | *no value is stored* - - @note Variable-length types (objects, arrays, and strings) are stored as - pointers. The size of the union should not exceed 64 bits if the default - value types are used. - - @since version 1.0.0 - */ -union json_value -{ -/// object (stored with pointer to save storage) -object_t* object; -/// array (stored with pointer to save storage) -array_t* array; -/// string (stored with pointer to save storage) -string_t* string; -/// binary (stored with pointer to save storage) -binary_t* binary; -/// boolean -boolean_t boolean; -/// number (integer) -number_integer_t number_integer; -/// number (unsigned integer) -number_unsigned_t number_unsigned; -/// number (floating-point) -number_float_t number_float; - -/// default constructor (for null values) -json_value() = default; -/// constructor for booleans -json_value(boolean_t v) noexcept : boolean(v) {} -/// constructor for numbers (integer) -json_value(number_integer_t v) noexcept : number_integer(v) {} -/// constructor for numbers (unsigned) -json_value(number_unsigned_t v) noexcept : number_unsigned(v) {} -/// constructor for numbers (floating-point) -json_value(number_float_t v) noexcept : number_float(v) {} -/// constructor for empty values of a given type -json_value(value_t t) -{ -switch (t) -{ -case value_t::object: -{ -object = create(); -break; -} - -case value_t::array: -{ -array = create(); -break; -} - -case value_t::string: -{ -string = create(""); -break; -} - -case value_t::binary: -{ -binary = create(); -break; -} - -case value_t::boolean: -{ -boolean = boolean_t(false); -break; -} - -case value_t::number_integer: -{ -number_integer = number_integer_t(0); -break; -} - -case value_t::number_unsigned: -{ -number_unsigned = number_unsigned_t(0); -break; -} - -case value_t::number_float: -{ -number_float = number_float_t(0.0); -break; -} - -case value_t::null: -{ -object = nullptr; // silence warning, see #821 -break; -} - -default: -{ -object = nullptr; // silence warning, see #821 -if (JSON_HEDLEY_UNLIKELY(t == value_t::null)) -{ -JSON_THROW(other_error::create(500, "961c151d2e87f2686a955a9be24d316f1362bf21 3.9.1")); // LCOV_EXCL_LINE -} -break; -} -} -} - -/// constructor for strings -json_value(const string_t& value) -{ -string = create(value); -} - -/// constructor for rvalue strings -json_value(string_t&& value) -{ -string = create(std::move(value)); -} - -/// constructor for objects -json_value(const object_t& value) -{ -object = create(value); -} - -/// constructor for rvalue objects -json_value(object_t&& value) -{ -object = create(std::move(value)); -} - -/// constructor for arrays -json_value(const array_t& value) -{ -array = create(value); -} - -/// constructor for rvalue arrays -json_value(array_t&& value) -{ -array = create(std::move(value)); -} - -/// constructor for binary arrays -json_value(const typename binary_t::container_type& value) -{ -binary = create(value); -} - -/// constructor for rvalue binary arrays -json_value(typename binary_t::container_type&& value) -{ -binary = create(std::move(value)); -} - -/// constructor for binary arrays (internal type) -json_value(const binary_t& value) -{ -binary = create(value); -} - -/// constructor for rvalue binary arrays (internal type) -json_value(binary_t&& value) -{ -binary = create(std::move(value)); -} - -void destroy(value_t t) noexcept -{ -// flatten the current json_value to a heap-allocated stack -std::vector stack; - -// move the top-level items to stack -if (t == value_t::array) -{ -stack.reserve(array->size()); -std::move(array->begin(), array->end(), std::back_inserter(stack)); -} -else if (t == value_t::object) -{ -stack.reserve(object->size()); -for (auto&& it : *object) -{ -stack.push_back(std::move(it.second)); -} -} - -while (!stack.empty()) -{ -// move the last item to local variable to be processed -basic_json current_item(std::move(stack.back())); -stack.pop_back(); - -// if current_item is array/object, move -// its children to the stack to be processed later -if (current_item.is_array()) -{ -std::move(current_item.m_value.array->begin(), current_item.m_value.array->end(), -std::back_inserter(stack)); - -current_item.m_value.array->clear(); -} -else if (current_item.is_object()) -{ -for (auto&& it : *current_item.m_value.object) -{ -stack.push_back(std::move(it.second)); -} - -current_item.m_value.object->clear(); -} - -// it's now safe that current_item get destructed -// since it doesn't have any children -} - -switch (t) -{ -case value_t::object: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, object); -std::allocator_traits::deallocate(alloc, object, 1); -break; -} - -case value_t::array: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, array); -std::allocator_traits::deallocate(alloc, array, 1); -break; -} - -case value_t::string: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, string); -std::allocator_traits::deallocate(alloc, string, 1); -break; -} - -case value_t::binary: -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, binary); -std::allocator_traits::deallocate(alloc, binary, 1); -break; -} - -default: -{ -break; -} -} -} -}; - -private: -/*! - @brief checks the class invariants - - This function asserts the class invariants. It needs to be called at the - end of every constructor to make sure that created objects respect the - invariant. Furthermore, it has to be called each time the type of a JSON - value is changed, because the invariant expresses a relationship between - @a m_type and @a m_value. - */ -void assert_invariant() const noexcept -{ -JSON_ASSERT(m_type != value_t::object || m_value.object != nullptr); -JSON_ASSERT(m_type != value_t::array || m_value.array != nullptr); -JSON_ASSERT(m_type != value_t::string || m_value.string != nullptr); -JSON_ASSERT(m_type != value_t::binary || m_value.binary != nullptr); -} - -public: -////////////////////////// -// JSON parser callback // -////////////////////////// - -/*! - @brief parser event types - - The parser callback distinguishes the following events: - - `object_start`: the parser read `{` and started to process a JSON object - - `key`: the parser read a key of a value in an object - - `object_end`: the parser read `}` and finished processing a JSON object - - `array_start`: the parser read `[` and started to process a JSON array - - `array_end`: the parser read `]` and finished processing a JSON array - - `value`: the parser finished reading a JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - @sa @ref parser_callback_t for more information and examples - */ -using parse_event_t = detail::parse_event_t; - -/*! - @brief per-element parser callback type - - With a parser callback function, the result of parsing a JSON text can be - influenced. When passed to @ref parse, it is called on certain events - (passed as @ref parse_event_t via parameter @a event) with a set recursion - depth @a depth and context JSON value @a parsed. The return value of the - callback function is a boolean indicating whether the element that emitted - the callback shall be kept or not. - - We distinguish six scenarios (determined by the event type) in which the - callback function can be called. The following table describes the values - of the parameters @a depth, @a event, and @a parsed. - - parameter @a event | description | parameter @a depth | parameter @a parsed - ------------------ | ----------- | ------------------ | ------------------- - parse_event_t::object_start | the parser read `{` and started to process a JSON object | depth of the parent of the JSON object | a JSON value with type discarded - parse_event_t::key | the parser read a key of a value in an object | depth of the currently parsed JSON object | a JSON string containing the key - parse_event_t::object_end | the parser read `}` and finished processing a JSON object | depth of the parent of the JSON object | the parsed JSON object - parse_event_t::array_start | the parser read `[` and started to process a JSON array | depth of the parent of the JSON array | a JSON value with type discarded - parse_event_t::array_end | the parser read `]` and finished processing a JSON array | depth of the parent of the JSON array | the parsed JSON array - parse_event_t::value | the parser finished reading a JSON value | depth of the value | the parsed JSON value - - @image html callback_events.png "Example when certain parse events are triggered" - - Discarding a value (i.e., returning `false`) has different effects - depending on the context in which function was called: - - - Discarded values in structured types are skipped. That is, the parser - will behave as if the discarded value was never read. - - In case a value outside a structured type is skipped, it is replaced - with `null`. This case happens if the top-level element is skipped. - - @param[in] depth the depth of the recursion during parsing - - @param[in] event an event of type parse_event_t indicating the context in - the callback function has been called - - @param[in,out] parsed the current intermediate parse result; note that - writing to this value has no effect for parse_event_t::key events - - @return Whether the JSON value which called the function during parsing - should be kept (`true`) or not (`false`). In the latter case, it is either - skipped completely or replaced by an empty discarded object. - - @sa @ref parse for examples - - @since version 1.0.0 - */ -using parser_callback_t = detail::parser_callback_t; - -////////////////// -// constructors // -////////////////// - -/// @name constructors and destructors -/// Constructors of class @ref basic_json, copy/move constructor, copy -/// assignment, static functions creating objects, and the destructor. -/// @{ - -/*! - @brief create an empty value with a given type - - Create an empty JSON value with a given type. The value will be default - initialized with an empty value which depends on the type: - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - object | `{}` - array | `[]` - binary | empty array - - @param[in] v the type of the value to create - - @complexity Constant. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows the constructor for different @ref - value_t values,basic_json__value_t} - - @sa @ref clear() -- restores the postcondition of this constructor - - @since version 1.0.0 - */ -basic_json(const value_t v) -: m_type(v), m_value(v) -{ -assert_invariant(); -} - -/*! - @brief create a null object - - Create a `null` JSON value. It either takes a null pointer as parameter - (explicitly creating `null`) or no parameter (implicitly creating `null`). - The passed null pointer itself is not read -- it is only used to choose - the right constructor. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @liveexample{The following code shows the constructor with and without a - null pointer parameter.,basic_json__nullptr_t} - - @since version 1.0.0 - */ -basic_json(std::nullptr_t = nullptr) noexcept -: basic_json(value_t::null) -{ -assert_invariant(); -} - -/*! - @brief create a JSON value - - This is a "catch all" constructor for all compatible JSON types; that is, - types for which a `to_json()` method exists. The constructor forwards the - parameter @a val to that method (to `json_serializer::to_json` method - with `U = uncvref_t`, to be exact). - - Template type @a CompatibleType includes, but is not limited to, the - following types: - - **arrays**: @ref array_t and all kinds of compatible containers such as - `std::vector`, `std::deque`, `std::list`, `std::forward_list`, - `std::array`, `std::valarray`, `std::set`, `std::unordered_set`, - `std::multiset`, and `std::unordered_multiset` with a `value_type` from - which a @ref basic_json value can be constructed. - - **objects**: @ref object_t and all kinds of compatible associative - containers such as `std::map`, `std::unordered_map`, `std::multimap`, - and `std::unordered_multimap` with a `key_type` compatible to - @ref string_t and a `value_type` from which a @ref basic_json value can - be constructed. - - **strings**: @ref string_t, string literals, and all compatible string - containers can be used. - - **numbers**: @ref number_integer_t, @ref number_unsigned_t, - @ref number_float_t, and all convertible number types such as `int`, - `size_t`, `int64_t`, `float` or `double` can be used. - - **boolean**: @ref boolean_t / `bool` can be used. - - **binary**: @ref binary_t / `std::vector` may be used, - unfortunately because string literals cannot be distinguished from binary - character arrays by the C++ type system, all types compatible with `const - char*` will be directed to the string constructor instead. This is both - for backwards compatibility, and due to the fact that a binary type is not - a standard JSON type. - - See the examples below. - - @tparam CompatibleType a type such that: - - @a CompatibleType is not derived from `std::istream`, - - @a CompatibleType is not @ref basic_json (to avoid hijacking copy/move - constructors), - - @a CompatibleType is not a different @ref basic_json type (i.e. with different template arguments) - - @a CompatibleType is not a @ref basic_json nested type (e.g., - @ref json_pointer, @ref iterator, etc ...) - - @ref @ref json_serializer has a - `to_json(basic_json_t&, CompatibleType&&)` method - - @tparam U = `uncvref_t` - - @param[in] val the value to be forwarded to the respective constructor - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @liveexample{The following code shows the constructor with several - compatible types.,basic_json__CompatibleType} - - @since version 2.1.0 - */ -template < typename CompatibleType, -typename U = detail::uncvref_t, -detail::enable_if_t < -!detail::is_basic_json::value && detail::is_compatible_type::value, int > = 0 > -basic_json(CompatibleType && val) noexcept(noexcept( -JSONSerializer::to_json(std::declval(), -std::forward(val)))) -{ -JSONSerializer::to_json(*this, std::forward(val)); -assert_invariant(); -} - -/*! - @brief create a JSON value from an existing one - - This is a constructor for existing @ref basic_json types. - It does not hijack copy/move constructors, since the parameter has different - template arguments than the current ones. - - The constructor tries to convert the internal @ref m_value of the parameter. - - @tparam BasicJsonType a type such that: - - @a BasicJsonType is a @ref basic_json type. - - @a BasicJsonType has different template arguments than @ref basic_json_t. - - @param[in] val the @ref basic_json value to be converted. - - @complexity Usually linear in the size of the passed @a val, also - depending on the implementation of the called `to_json()` - method. - - @exceptionsafety Depends on the called constructor. For types directly - supported by the library (i.e., all types for which no `to_json()` function - was provided), strong guarantee holds: if an exception is thrown, there are - no changes to any JSON value. - - @since version 3.2.0 - */ -template < typename BasicJsonType, -detail::enable_if_t < -detail::is_basic_json::value&& !std::is_same::value, int > = 0 > -basic_json(const BasicJsonType& val) -{ -using other_boolean_t = typename BasicJsonType::boolean_t; -using other_number_float_t = typename BasicJsonType::number_float_t; -using other_number_integer_t = typename BasicJsonType::number_integer_t; -using other_number_unsigned_t = typename BasicJsonType::number_unsigned_t; -using other_string_t = typename BasicJsonType::string_t; -using other_object_t = typename BasicJsonType::object_t; -using other_array_t = typename BasicJsonType::array_t; -using other_binary_t = typename BasicJsonType::binary_t; - -switch (val.type()) -{ -case value_t::boolean: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::number_float: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::number_integer: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::number_unsigned: -JSONSerializer::to_json(*this, val.template get()); -break; -case value_t::string: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::object: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::array: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::binary: -JSONSerializer::to_json(*this, val.template get_ref()); -break; -case value_t::null: -*this = nullptr; -break; -case value_t::discarded: -m_type = value_t::discarded; -break; -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -assert_invariant(); -} - -/*! - @brief create a container (array or object) from an initializer list - - Creates a JSON value of type array or object from the passed initializer - list @a init. In case @a type_deduction is `true` (default), the type of - the JSON value to be created is deducted from the initializer list @a init - according to the following rules: - - 1. If the list is empty, an empty JSON object value `{}` is created. - 2. If the list consists of pairs whose first element is a string, a JSON - object value is created where the first elements of the pairs are - treated as keys and the second elements are as values. - 3. In all other cases, an array is created. - - The rules aim to create the best fit between a C++ initializer list and - JSON values. The rationale is as follows: - - 1. The empty initializer list is written as `{}` which is exactly an empty - JSON object. - 2. C++ has no way of describing mapped types other than to list a list of - pairs. As JSON requires that keys must be of type string, rule 2 is the - weakest constraint one can pose on initializer lists to interpret them - as an object. - 3. In all other cases, the initializer list could not be interpreted as - JSON object type, so interpreting it as JSON array type is safe. - - With the rules described above, the following JSON values cannot be - expressed by an initializer list: - - - the empty array (`[]`): use @ref array(initializer_list_t) - with an empty initializer list in this case - - arrays whose elements satisfy rule 2: use @ref - array(initializer_list_t) with the same initializer list - in this case - - @note When used without parentheses around an empty initializer list, @ref - basic_json() is called instead of this function, yielding the JSON null - value. - - @param[in] init initializer list with JSON values - - @param[in] type_deduction internal parameter; when set to `true`, the type - of the JSON value is deducted from the initializer list @a init; when set - to `false`, the type provided via @a manual_type is forced. This mode is - used by the functions @ref array(initializer_list_t) and - @ref object(initializer_list_t). - - @param[in] manual_type internal parameter; when @a type_deduction is set - to `false`, the created JSON value will use the provided type (only @ref - value_t::array and @ref value_t::object are valid); when @a type_deduction - is set to `true`, this parameter has no effect - - @throw type_error.301 if @a type_deduction is `false`, @a manual_type is - `value_t::object`, but @a init contains an element which is not a pair - whose first element is a string. In this case, the constructor could not - create an object. If @a type_deduction would have be `true`, an array - would have been created. See @ref object(initializer_list_t) - for an example. - - @complexity Linear in the size of the initializer list @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows how JSON values are created from - initializer lists.,basic_json__list_init_t} - - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ -basic_json(initializer_list_t init, -bool type_deduction = true, -value_t manual_type = value_t::array) -{ -// check if each element is an array with two elements whose first -// element is a string -bool is_an_object = std::all_of(init.begin(), init.end(), -[](const detail::json_ref& element_ref) -{ -return element_ref->is_array() && element_ref->size() == 2 && (*element_ref)[0].is_string(); -}); - -// adjust type if type deduction is not wanted -if (!type_deduction) -{ -// if array is wanted, do not create an object though possible -if (manual_type == value_t::array) -{ -is_an_object = false; -} - -// if object is wanted but impossible, throw an exception -if (JSON_HEDLEY_UNLIKELY(manual_type == value_t::object && !is_an_object)) -{ -JSON_THROW(type_error::create(301, "cannot create object from initializer list")); -} -} - -if (is_an_object) -{ -// the initializer list is a list of pairs -> create object -m_type = value_t::object; -m_value = value_t::object; - -std::for_each(init.begin(), init.end(), [this](const detail::json_ref& element_ref) -{ -auto element = element_ref.moved_or_copied(); -m_value.object->emplace( -std::move(*((*element.m_value.array)[0].m_value.string)), -std::move((*element.m_value.array)[1])); -}); -} -else -{ -// the initializer list describes an array -> create array -m_type = value_t::array; -m_value.array = create(init.begin(), init.end()); -} - -assert_invariant(); -} - -/*! - @brief explicitly create a binary array (without subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(const typename binary_t::container_type& init) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = init; -return res; -} - -/*! - @brief explicitly create a binary array (with subtype) - - Creates a JSON binary array value from a given binary container. Binary - values are part of various binary formats, such as CBOR, MessagePack, and - BSON. This constructor is used to create a value for serialization to those - formats. - - @note Note, this function exists because of the difficulty in correctly - specifying the correct template overload in the standard value ctor, as both - JSON arrays and JSON binary arrays are backed with some form of a - `std::vector`. Because JSON binary arrays are a non-standard extension it - was decided that it would be best to prevent automatic initialization of a - binary array type, for backwards compatibility and so it does not happen on - accident. - - @param[in] init container containing bytes to use as binary type - @param[in] subtype subtype to use in MessagePack and BSON - - @return JSON binary array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @since version 3.8.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(const typename binary_t::container_type& init, std::uint8_t subtype) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = binary_t(init, subtype); -return res; -} - -/// @copydoc binary(const typename binary_t::container_type&) -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(typename binary_t::container_type&& init) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = std::move(init); -return res; -} - -/// @copydoc binary(const typename binary_t::container_type&, std::uint8_t) -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json binary(typename binary_t::container_type&& init, std::uint8_t subtype) -{ -auto res = basic_json(); -res.m_type = value_t::binary; -res.m_value = binary_t(std::move(init), subtype); -return res; -} - -/*! - @brief explicitly create an array from an initializer list - - Creates a JSON array value from a given initializer list. That is, given a - list of values `a, b, c`, creates the JSON value `[a, b, c]`. If the - initializer list is empty, the empty array `[]` is created. - - @note This function is only needed to express two edge cases that cannot - be realized with the initializer list constructor (@ref - basic_json(initializer_list_t, bool, value_t)). These cases - are: - 1. creating an array whose elements are all pairs whose first element is a - string -- in this case, the initializer list constructor would create an - object, taking the first elements as keys - 2. creating an empty array -- passing the empty initializer list to the - initializer list constructor yields an empty object - - @param[in] init initializer list with JSON values to create an array from - (optional) - - @return JSON array value - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `array` - function.,array} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref object(initializer_list_t) -- create a JSON object - value from an initializer list - - @since version 1.0.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json array(initializer_list_t init = {}) -{ -return basic_json(init, false, value_t::array); -} - -/*! - @brief explicitly create an object from an initializer list - - Creates a JSON object value from a given initializer list. The initializer - lists elements must be pairs, and their first elements must be strings. If - the initializer list is empty, the empty object `{}` is created. - - @note This function is only added for symmetry reasons. In contrast to the - related function @ref array(initializer_list_t), there are - no cases which can only be expressed by this function. That is, any - initializer list @a init can also be passed to the initializer list - constructor @ref basic_json(initializer_list_t, bool, value_t). - - @param[in] init initializer list to create an object from (optional) - - @return JSON object value - - @throw type_error.301 if @a init is not a list of pairs whose first - elements are strings. In this case, no object can be created. When such a - value is passed to @ref basic_json(initializer_list_t, bool, value_t), - an array would have been created from the passed initializer list @a init. - See example below. - - @complexity Linear in the size of @a init. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows an example for the `object` - function.,object} - - @sa @ref basic_json(initializer_list_t, bool, value_t) -- - create a JSON value from an initializer list - @sa @ref array(initializer_list_t) -- create a JSON array - value from an initializer list - - @since version 1.0.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json object(initializer_list_t init = {}) -{ -return basic_json(init, false, value_t::object); -} - -/*! - @brief construct an array with count copies of given value - - Constructs a JSON array value by creating @a cnt copies of a passed value. - In case @a cnt is `0`, an empty array is created. - - @param[in] cnt the number of JSON copies of @a val to create - @param[in] val the JSON value to copy - - @post `std::distance(begin(),end()) == cnt` holds. - - @complexity Linear in @a cnt. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The following code shows examples for the @ref - basic_json(size_type\, const basic_json&) - constructor.,basic_json__size_type_basic_json} - - @since version 1.0.0 - */ -basic_json(size_type cnt, const basic_json& val) -: m_type(value_t::array) -{ -m_value.array = create(cnt, val); -assert_invariant(); -} - -/*! - @brief construct a JSON container given an iterator range - - Constructs the JSON value with the contents of the range `[first, last)`. - The semantics depends on the different types a JSON value can have: - - In case of a null type, invalid_iterator.206 is thrown. - - In case of other primitive types (number, boolean, or string), @a first - must be `begin()` and @a last must be `end()`. In this case, the value is - copied. Otherwise, invalid_iterator.204 is thrown. - - In case of structured types (array, object), the constructor behaves as - similar versions for `std::vector` or `std::map`; that is, a JSON array - or object is constructed from the values in the range. - - @tparam InputIT an input iterator type (@ref iterator or @ref - const_iterator) - - @param[in] first begin of the range to copy from (included) - @param[in] last end of the range to copy from (excluded) - - @pre Iterators @a first and @a last must be initialized. **This - precondition is enforced with an assertion (see warning).** If - assertions are switched off, a violation of this precondition yields - undefined behavior. - - @pre Range `[first, last)` is valid. Usually, this precondition cannot be - checked efficiently. Only certain edge cases are detected; see the - description of the exceptions below. A violation of this precondition - yields undefined behavior. - - @warning A precondition is enforced with a runtime assertion that will - result in calling `std::abort` if this precondition is not met. - Assertions can be disabled by defining `NDEBUG` at compile time. - See https://en.cppreference.com/w/cpp/error/assert for more - information. - - @throw invalid_iterator.201 if iterators @a first and @a last are not - compatible (i.e., do not belong to the same JSON value). In this case, - the range `[first, last)` is undefined. - @throw invalid_iterator.204 if iterators @a first and @a last belong to a - primitive type (number, boolean, or string), but @a first does not point - to the first element any more. In this case, the range `[first, last)` is - undefined. See example code below. - @throw invalid_iterator.206 if iterators @a first and @a last belong to a - null value. In this case, the range `[first, last)` is undefined. - - @complexity Linear in distance between @a first and @a last. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @liveexample{The example below shows several ways to create JSON values by - specifying a subrange with iterators.,basic_json__InputIt_InputIt} - - @since version 1.0.0 - */ -template < class InputIT, typename std::enable_if < -std::is_same::value || -std::is_same::value, int >::type = 0 > -basic_json(InputIT first, InputIT last) -{ -JSON_ASSERT(first.m_object != nullptr); -JSON_ASSERT(last.m_object != nullptr); - -// make sure iterator fits the current value -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(201, "iterators are not compatible")); -} - -// copy type from first iterator -m_type = first.m_object->m_type; - -// check if iterator range is complete for primitive values -switch (m_type) -{ -case value_t::boolean: -case value_t::number_float: -case value_t::number_integer: -case value_t::number_unsigned: -case value_t::string: -{ -if (JSON_HEDLEY_UNLIKELY(!first.m_it.primitive_iterator.is_begin() -|| !last.m_it.primitive_iterator.is_end())) -{ -JSON_THROW(invalid_iterator::create(204, "iterators out of range")); -} -break; -} - -default: -break; -} - -switch (m_type) -{ -case value_t::number_integer: -{ -m_value.number_integer = first.m_object->m_value.number_integer; -break; -} - -case value_t::number_unsigned: -{ -m_value.number_unsigned = first.m_object->m_value.number_unsigned; -break; -} - -case value_t::number_float: -{ -m_value.number_float = first.m_object->m_value.number_float; -break; -} - -case value_t::boolean: -{ -m_value.boolean = first.m_object->m_value.boolean; -break; -} - -case value_t::string: -{ -m_value = *first.m_object->m_value.string; -break; -} - -case value_t::object: -{ -m_value.object = create(first.m_it.object_iterator, -last.m_it.object_iterator); -break; -} - -case value_t::array: -{ -m_value.array = create(first.m_it.array_iterator, -last.m_it.array_iterator); -break; -} - -case value_t::binary: -{ -m_value = *first.m_object->m_value.binary; -break; -} - -default: -JSON_THROW(invalid_iterator::create(206, "cannot construct with iterators from " + -std::string(first.m_object->type_name()))); -} - -assert_invariant(); -} - - -/////////////////////////////////////// -// other constructors and destructor // -/////////////////////////////////////// - -template, -std::is_same>::value, int> = 0 > -basic_json(const JsonRef& ref) : basic_json(ref.moved_or_copied()) {} - -/*! - @brief copy constructor - - Creates a copy of a given JSON value. - - @param[in] other the JSON value to copy - - @post `*this == other` - - @complexity Linear in the size of @a other. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes to any JSON value. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - As postcondition, it holds: `other == basic_json(other)`. - - @liveexample{The following code shows an example for the copy - constructor.,basic_json__basic_json} - - @since version 1.0.0 - */ -basic_json(const basic_json& other) -: m_type(other.m_type) -{ -// check of passed value is valid -other.assert_invariant(); - -switch (m_type) -{ -case value_t::object: -{ -m_value = *other.m_value.object; -break; -} - -case value_t::array: -{ -m_value = *other.m_value.array; -break; -} - -case value_t::string: -{ -m_value = *other.m_value.string; -break; -} - -case value_t::boolean: -{ -m_value = other.m_value.boolean; -break; -} - -case value_t::number_integer: -{ -m_value = other.m_value.number_integer; -break; -} - -case value_t::number_unsigned: -{ -m_value = other.m_value.number_unsigned; -break; -} - -case value_t::number_float: -{ -m_value = other.m_value.number_float; -break; -} - -case value_t::binary: -{ -m_value = *other.m_value.binary; -break; -} - -default: -break; -} - -assert_invariant(); -} - -/*! - @brief move constructor - - Move constructor. Constructs a JSON value with the contents of the given - value @a other using move semantics. It "steals" the resources from @a - other and leaves it as JSON null value. - - @param[in,out] other value to move to this object - - @post `*this` has the same value as @a other before the call. - @post @a other is a JSON null value. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this constructor never throws - exceptions. - - @requirement This function helps `basic_json` satisfying the - [MoveConstructible](https://en.cppreference.com/w/cpp/named_req/MoveConstructible) - requirements. - - @liveexample{The code below shows the move constructor explicitly called - via std::move.,basic_json__moveconstructor} - - @since version 1.0.0 - */ -basic_json(basic_json&& other) noexcept -: m_type(std::move(other.m_type)), -m_value(std::move(other.m_value)) -{ -// check that passed value is valid -other.assert_invariant(); - -// invalidate payload -other.m_type = value_t::null; -other.m_value = {}; - -assert_invariant(); -} - -/*! - @brief copy assignment - - Copy assignment operator. Copies a JSON value via the "copy and swap" - strategy: It is expressed in terms of the copy constructor, destructor, - and the `swap()` member function. - - @param[in] other value to copy from - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - @liveexample{The code below shows and example for the copy assignment. It - creates a copy of value `a` which is then swapped with `b`. Finally\, the - copy of `a` (which is the null value after the swap) is - destroyed.,basic_json__copyassignment} - - @since version 1.0.0 - */ -basic_json& operator=(basic_json other) noexcept ( -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value&& -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value -) -{ -// check that passed value is valid -other.assert_invariant(); - -using std::swap; -swap(m_type, other.m_type); -swap(m_value, other.m_value); - -assert_invariant(); -return *this; -} - -/*! - @brief destructor - - Destroys the JSON value and frees all allocated memory. - - @complexity Linear. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is linear. - - All stored elements are destroyed and all memory is freed. - - @since version 1.0.0 - */ -~basic_json() noexcept -{ -assert_invariant(); -m_value.destroy(m_type); -} - -/// @} - -public: -/////////////////////// -// object inspection // -/////////////////////// - -/// @name object inspection -/// Functions to inspect the type of a JSON value. -/// @{ - -/*! - @brief serialization - - Serialization function for JSON values. The function tries to mimic - Python's `json.dumps()` function, and currently supports its @a indent - and @a ensure_ascii parameters. - - @param[in] indent If indent is nonnegative, then array elements and object - members will be pretty-printed with that indent level. An indent level of - `0` will only insert newlines. `-1` (the default) selects the most compact - representation. - @param[in] indent_char The character to use for indentation if @a indent is - greater than `0`. The default is ` ` (space). - @param[in] ensure_ascii If @a ensure_ascii is true, all non-ASCII characters - in the output are escaped with `\uXXXX` sequences, and the result consists - of ASCII characters only. - @param[in] error_handler how to react on decoding errors; there are three - possible values: `strict` (throws and exception in case a decoding error - occurs; default), `replace` (replace invalid UTF-8 sequences with U+FFFD), - and `ignore` (ignore invalid UTF-8 sequences during serialization; all - bytes are copied to the output unchanged). - - @return string containing the serialization of the JSON value - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded and @a error_handler is set to strict - - @note Binary values are serialized as object containing two keys: - - "bytes": an array of bytes as integers - - "subtype": the subtype as integer or "null" if the binary has no subtype - - @complexity Linear. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @liveexample{The following example shows the effect of different @a indent\, - @a indent_char\, and @a ensure_ascii parameters to the result of the - serialization.,dump} - - @see https://docs.python.org/2/library/json.html#json.dump - - @since version 1.0.0; indentation character @a indent_char, option - @a ensure_ascii and exceptions added in version 3.0.0; error - handlers added in version 3.4.0; serialization of binary values added - in version 3.8.0. - */ -string_t dump(const int indent = -1, -const char indent_char = ' ', -const bool ensure_ascii = false, -const error_handler_t error_handler = error_handler_t::strict) const -{ -string_t result; -serializer s(detail::output_adapter(result), indent_char, error_handler); - -if (indent >= 0) -{ -s.dump(*this, true, ensure_ascii, static_cast(indent)); -} -else -{ -s.dump(*this, false, ensure_ascii, 0); -} - -return result; -} - -/*! - @brief return the type of the JSON value (explicit) - - Return the type of the JSON value as a value from the @ref value_t - enumeration. - - @return the type of the JSON value - Value type | return value - ------------------------- | ------------------------- - null | value_t::null - boolean | value_t::boolean - string | value_t::string - number (integer) | value_t::number_integer - number (unsigned integer) | value_t::number_unsigned - number (floating-point) | value_t::number_float - object | value_t::object - array | value_t::array - binary | value_t::binary - discarded | value_t::discarded - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `type()` for all JSON - types.,type} - - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ -constexpr value_t type() const noexcept -{ -return m_type; -} - -/*! - @brief return whether type is primitive - - This function returns true if and only if the JSON type is primitive - (string, number, boolean, or null). - - @return `true` if type is primitive (string, number, boolean, or null), - `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_primitive()` for all JSON - types.,is_primitive} - - @sa @ref is_structured() -- returns whether JSON value is structured - @sa @ref is_null() -- returns whether JSON value is `null` - @sa @ref is_string() -- returns whether JSON value is a string - @sa @ref is_boolean() -- returns whether JSON value is a boolean - @sa @ref is_number() -- returns whether JSON value is a number - @sa @ref is_binary() -- returns whether JSON value is a binary array - - @since version 1.0.0 - */ -constexpr bool is_primitive() const noexcept -{ -return is_null() || is_string() || is_boolean() || is_number() || is_binary(); -} - -/*! - @brief return whether type is structured - - This function returns true if and only if the JSON type is structured - (array or object). - - @return `true` if type is structured (array or object), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_structured()` for all JSON - types.,is_structured} - - @sa @ref is_primitive() -- returns whether value is primitive - @sa @ref is_array() -- returns whether value is an array - @sa @ref is_object() -- returns whether value is an object - - @since version 1.0.0 - */ -constexpr bool is_structured() const noexcept -{ -return is_array() || is_object(); -} - -/*! - @brief return whether value is null - - This function returns true if and only if the JSON value is null. - - @return `true` if type is null, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_null()` for all JSON - types.,is_null} - - @since version 1.0.0 - */ -constexpr bool is_null() const noexcept -{ -return m_type == value_t::null; -} - -/*! - @brief return whether value is a boolean - - This function returns true if and only if the JSON value is a boolean. - - @return `true` if type is boolean, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_boolean()` for all JSON - types.,is_boolean} - - @since version 1.0.0 - */ -constexpr bool is_boolean() const noexcept -{ -return m_type == value_t::boolean; -} - -/*! - @brief return whether value is a number - - This function returns true if and only if the JSON value is a number. This - includes both integer (signed and unsigned) and floating-point values. - - @return `true` if type is number (regardless whether integer, unsigned - integer or floating-type), `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number()` for all JSON - types.,is_number} - - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ -constexpr bool is_number() const noexcept -{ -return is_number_integer() || is_number_float(); -} - -/*! - @brief return whether value is an integer number - - This function returns true if and only if the JSON value is a signed or - unsigned integer number. This excludes floating-point values. - - @return `true` if type is an integer or unsigned integer number, `false` - otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_integer()` for all - JSON types.,is_number_integer} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 1.0.0 - */ -constexpr bool is_number_integer() const noexcept -{ -return m_type == value_t::number_integer || m_type == value_t::number_unsigned; -} - -/*! - @brief return whether value is an unsigned integer number - - This function returns true if and only if the JSON value is an unsigned - integer number. This excludes floating-point and signed integer values. - - @return `true` if type is an unsigned integer number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_unsigned()` for all - JSON types.,is_number_unsigned} - - @sa @ref is_number() -- check if value is a number - @sa @ref is_number_integer() -- check if value is an integer or unsigned - integer number - @sa @ref is_number_float() -- check if value is a floating-point number - - @since version 2.0.0 - */ -constexpr bool is_number_unsigned() const noexcept -{ -return m_type == value_t::number_unsigned; -} - -/*! - @brief return whether value is a floating-point number - - This function returns true if and only if the JSON value is a - floating-point number. This excludes signed and unsigned integer values. - - @return `true` if type is a floating-point number, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_number_float()` for all - JSON types.,is_number_float} - - @sa @ref is_number() -- check if value is number - @sa @ref is_number_integer() -- check if value is an integer number - @sa @ref is_number_unsigned() -- check if value is an unsigned integer - number - - @since version 1.0.0 - */ -constexpr bool is_number_float() const noexcept -{ -return m_type == value_t::number_float; -} - -/*! - @brief return whether value is an object - - This function returns true if and only if the JSON value is an object. - - @return `true` if type is object, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_object()` for all JSON - types.,is_object} - - @since version 1.0.0 - */ -constexpr bool is_object() const noexcept -{ -return m_type == value_t::object; -} - -/*! - @brief return whether value is an array - - This function returns true if and only if the JSON value is an array. - - @return `true` if type is array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_array()` for all JSON - types.,is_array} - - @since version 1.0.0 - */ -constexpr bool is_array() const noexcept -{ -return m_type == value_t::array; -} - -/*! - @brief return whether value is a string - - This function returns true if and only if the JSON value is a string. - - @return `true` if type is string, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_string()` for all JSON - types.,is_string} - - @since version 1.0.0 - */ -constexpr bool is_string() const noexcept -{ -return m_type == value_t::string; -} - -/*! - @brief return whether value is a binary array - - This function returns true if and only if the JSON value is a binary array. - - @return `true` if type is binary array, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_binary()` for all JSON - types.,is_binary} - - @since version 3.8.0 - */ -constexpr bool is_binary() const noexcept -{ -return m_type == value_t::binary; -} - -/*! - @brief return whether value is discarded - - This function returns true if and only if the JSON value was discarded - during parsing with a callback function (see @ref parser_callback_t). - - @note This function will always be `false` for JSON values after parsing. - That is, discarded values can only occur during parsing, but will be - removed when inside a structured value or replaced by null in other cases. - - @return `true` if type is discarded, `false` otherwise. - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies `is_discarded()` for all JSON - types.,is_discarded} - - @since version 1.0.0 - */ -constexpr bool is_discarded() const noexcept -{ -return m_type == value_t::discarded; -} - -/*! - @brief return the type of the JSON value (implicit) - - Implicitly return the type of the JSON value as a value from the @ref - value_t enumeration. - - @return the type of the JSON value - - @complexity Constant. - - @exceptionsafety No-throw guarantee: this member function never throws - exceptions. - - @liveexample{The following code exemplifies the @ref value_t operator for - all JSON types.,operator__value_t} - - @sa @ref type() -- return the type of the JSON value (explicit) - @sa @ref type_name() -- return the type as string - - @since version 1.0.0 - */ -constexpr operator value_t() const noexcept -{ -return m_type; -} - -/// @} - -private: -////////////////// -// value access // -////////////////// - -/// get a boolean (explicit) -boolean_t get_impl(boolean_t* /*unused*/) const -{ -if (JSON_HEDLEY_LIKELY(is_boolean())) -{ -return m_value.boolean; -} - -JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(type_name()))); -} - -/// get a pointer to the value (object) -object_t* get_impl_ptr(object_t* /*unused*/) noexcept -{ -return is_object() ? m_value.object : nullptr; -} - -/// get a pointer to the value (object) -constexpr const object_t* get_impl_ptr(const object_t* /*unused*/) const noexcept -{ -return is_object() ? m_value.object : nullptr; -} - -/// get a pointer to the value (array) -array_t* get_impl_ptr(array_t* /*unused*/) noexcept -{ -return is_array() ? m_value.array : nullptr; -} - -/// get a pointer to the value (array) -constexpr const array_t* get_impl_ptr(const array_t* /*unused*/) const noexcept -{ -return is_array() ? m_value.array : nullptr; -} - -/// get a pointer to the value (string) -string_t* get_impl_ptr(string_t* /*unused*/) noexcept -{ -return is_string() ? m_value.string : nullptr; -} - -/// get a pointer to the value (string) -constexpr const string_t* get_impl_ptr(const string_t* /*unused*/) const noexcept -{ -return is_string() ? m_value.string : nullptr; -} - -/// get a pointer to the value (boolean) -boolean_t* get_impl_ptr(boolean_t* /*unused*/) noexcept -{ -return is_boolean() ? &m_value.boolean : nullptr; -} - -/// get a pointer to the value (boolean) -constexpr const boolean_t* get_impl_ptr(const boolean_t* /*unused*/) const noexcept -{ -return is_boolean() ? &m_value.boolean : nullptr; -} - -/// get a pointer to the value (integer number) -number_integer_t* get_impl_ptr(number_integer_t* /*unused*/) noexcept -{ -return is_number_integer() ? &m_value.number_integer : nullptr; -} - -/// get a pointer to the value (integer number) -constexpr const number_integer_t* get_impl_ptr(const number_integer_t* /*unused*/) const noexcept -{ -return is_number_integer() ? &m_value.number_integer : nullptr; -} - -/// get a pointer to the value (unsigned number) -number_unsigned_t* get_impl_ptr(number_unsigned_t* /*unused*/) noexcept -{ -return is_number_unsigned() ? &m_value.number_unsigned : nullptr; -} - -/// get a pointer to the value (unsigned number) -constexpr const number_unsigned_t* get_impl_ptr(const number_unsigned_t* /*unused*/) const noexcept -{ -return is_number_unsigned() ? &m_value.number_unsigned : nullptr; -} - -/// get a pointer to the value (floating-point number) -number_float_t* get_impl_ptr(number_float_t* /*unused*/) noexcept -{ -return is_number_float() ? &m_value.number_float : nullptr; -} - -/// get a pointer to the value (floating-point number) -constexpr const number_float_t* get_impl_ptr(const number_float_t* /*unused*/) const noexcept -{ -return is_number_float() ? &m_value.number_float : nullptr; -} - -/// get a pointer to the value (binary) -binary_t* get_impl_ptr(binary_t* /*unused*/) noexcept -{ -return is_binary() ? m_value.binary : nullptr; -} - -/// get a pointer to the value (binary) -constexpr const binary_t* get_impl_ptr(const binary_t* /*unused*/) const noexcept -{ -return is_binary() ? m_value.binary : nullptr; -} - -/*! - @brief helper function to implement get_ref() - - This function helps to implement get_ref() without code duplication for - const and non-const overloads - - @tparam ThisType will be deduced as `basic_json` or `const basic_json` - - @throw type_error.303 if ReferenceType does not match underlying value - type of the current JSON - */ -template -static ReferenceType get_ref_impl(ThisType& obj) -{ -// delegate the call to get_ptr<>() -auto ptr = obj.template get_ptr::type>(); - -if (JSON_HEDLEY_LIKELY(ptr != nullptr)) -{ -return *ptr; -} - -JSON_THROW(type_error::create(303, "incompatible ReferenceType for get_ref, actual type is " + std::string(obj.type_name()))); -} - -public: -/// @name value access -/// Direct access to the stored value of a JSON value. -/// @{ - -/*! - @brief get special-case overload - - This overloads avoids a lot of template boilerplate, it can be seen as the - identity method - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this - - @complexity Constant. - - @since version 2.1.0 - */ -template::type, basic_json_t>::value, -int> = 0> -basic_json get() const -{ -return *this; -} - -/*! - @brief get special-case overload - - This overloads converts the current @ref basic_json in a different - @ref basic_json type - - @tparam BasicJsonType == @ref basic_json - - @return a copy of *this, converted into @tparam BasicJsonType - - @complexity Depending on the implementation of the called `from_json()` - method. - - @since version 3.2.0 - */ -template < typename BasicJsonType, detail::enable_if_t < -!std::is_same::value&& -detail::is_basic_json::value, int > = 0 > -BasicJsonType get() const -{ -return *this; -} - -/*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value - which is [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType ret; - JSONSerializer::from_json(*this, ret); - return ret; - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @ref json_serializer does not have a `from_json()` method of - the form `ValueType from_json(const basic_json&)` - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get__ValueType_const} - - @since version 2.1.0 - */ -template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, -detail::enable_if_t < -!detail::is_basic_json::value && -detail::has_from_json::value && -!detail::has_non_default_from_json::value, -int > = 0 > -ValueType get() const noexcept(noexcept( -JSONSerializer::from_json(std::declval(), std::declval()))) -{ -// we cannot static_assert on ValueTypeCV being non-const, because -// there is support for get(), which is why we -// still need the uncvref -static_assert(!std::is_reference::value, -"get() cannot be used with reference types, you might want to use get_ref()"); -static_assert(std::is_default_constructible::value, -"types must be DefaultConstructible when used with get()"); - -ValueType ret; -JSONSerializer::from_json(*this, ret); -return ret; -} - -/*! - @brief get a value (explicit); special case - - Explicit type conversion between the JSON value and a compatible value - which is **not** [CopyConstructible](https://en.cppreference.com/w/cpp/named_req/CopyConstructible) - and **not** [DefaultConstructible](https://en.cppreference.com/w/cpp/named_req/DefaultConstructible). - The value is converted by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - return JSONSerializer::from_json(*this); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json and - - @ref json_serializer has a `from_json()` method of the form - `ValueType from_json(const basic_json&)` - - @note If @ref json_serializer has both overloads of - `from_json()`, this one is chosen. - - @tparam ValueTypeCV the provided value type - @tparam ValueType the returned value type - - @return copy of the JSON value, converted to @a ValueType - - @throw what @ref json_serializer `from_json()` method throws - - @since version 2.1.0 - */ -template < typename ValueTypeCV, typename ValueType = detail::uncvref_t, -detail::enable_if_t < !std::is_same::value && -detail::has_non_default_from_json::value, -int > = 0 > -ValueType get() const noexcept(noexcept( -JSONSerializer::from_json(std::declval()))) -{ -static_assert(!std::is_reference::value, -"get() cannot be used with reference types, you might want to use get_ref()"); -return JSONSerializer::from_json(*this); -} - -/*! - @brief get a value (explicit) - - Explicit type conversion between the JSON value and a compatible value. - The value is filled into the input parameter by calling the @ref json_serializer - `from_json()` method. - - The function is equivalent to executing - @code {.cpp} - ValueType v; - JSONSerializer::from_json(*this, v); - @endcode - - This overloads is chosen if: - - @a ValueType is not @ref basic_json, - - @ref json_serializer has a `from_json()` method of the form - `void from_json(const basic_json&, ValueType&)`, and - - @tparam ValueType the input parameter type. - - @return the input parameter, allowing chaining calls. - - @throw what @ref json_serializer `from_json()` method throws - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,get_to} - - @since version 3.3.0 - */ -template < typename ValueType, -detail::enable_if_t < -!detail::is_basic_json::value&& -detail::has_from_json::value, -int > = 0 > -ValueType & get_to(ValueType& v) const noexcept(noexcept( -JSONSerializer::from_json(std::declval(), v))) -{ -JSONSerializer::from_json(*this, v); -return v; -} - -// specialization to allow to call get_to with a basic_json value -// see https://github.com/nlohmann/json/issues/2175 -template::value, -int> = 0> -ValueType & get_to(ValueType& v) const -{ -v = *this; -return v; -} - -template < -typename T, std::size_t N, -typename Array = T (&)[N], -detail::enable_if_t < -detail::has_from_json::value, int > = 0 > -Array get_to(T (&v)[N]) const -noexcept(noexcept(JSONSerializer::from_json( -std::declval(), v))) -{ -JSONSerializer::from_json(*this, v); -return v; -} - - -/*! - @brief get a pointer value (implicit) - - Implicit pointer access to the internally stored JSON value. No copies are - made. - - @warning Writing data to the pointee of the result yields an undefined - state. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. Enforced by a static - assertion. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get_ptr} - - @since version 1.0.0 - */ -template::value, int>::type = 0> -auto get_ptr() noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) -{ -// delegate the call to get_impl_ptr<>() -return get_impl_ptr(static_cast(nullptr)); -} - -/*! - @brief get a pointer value (implicit) - @copydoc get_ptr() - */ -template < typename PointerType, typename std::enable_if < -std::is_pointer::value&& -std::is_const::type>::value, int >::type = 0 > -constexpr auto get_ptr() const noexcept -> decltype(std::declval().get_impl_ptr(std::declval())) -{ -// delegate the call to get_impl_ptr<>() const -return get_impl_ptr(static_cast(nullptr)); -} - -/*! - @brief get a pointer value (explicit) - - Explicit pointer access to the internally stored JSON value. No copies are - made. - - @warning The pointer becomes invalid if the underlying JSON object - changes. - - @tparam PointerType pointer type; must be a pointer to @ref array_t, @ref - object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, - @ref number_unsigned_t, or @ref number_float_t. - - @return pointer to the internally stored JSON value if the requested - pointer type @a PointerType fits to the JSON value; `nullptr` otherwise - - @complexity Constant. - - @liveexample{The example below shows how pointers to internal values of a - JSON value can be requested. Note that no type conversions are made and a - `nullptr` is returned if the value and the requested pointer type does not - match.,get__PointerType} - - @sa @ref get_ptr() for explicit pointer-member access - - @since version 1.0.0 - */ -template::value, int>::type = 0> -auto get() noexcept -> decltype(std::declval().template get_ptr()) -{ -// delegate the call to get_ptr -return get_ptr(); -} - -/*! - @brief get a pointer value (explicit) - @copydoc get() - */ -template::value, int>::type = 0> -constexpr auto get() const noexcept -> decltype(std::declval().template get_ptr()) -{ -// delegate the call to get_ptr -return get_ptr(); -} - -/*! - @brief get a reference value (implicit) - - Implicit reference access to the internally stored JSON value. No copies - are made. - - @warning Writing data to the referee of the result yields an undefined - state. - - @tparam ReferenceType reference type; must be a reference to @ref array_t, - @ref object_t, @ref string_t, @ref boolean_t, @ref number_integer_t, or - @ref number_float_t. Enforced by static assertion. - - @return reference to the internally stored JSON value if the requested - reference type @a ReferenceType fits to the JSON value; throws - type_error.303 otherwise - - @throw type_error.303 in case passed type @a ReferenceType is incompatible - with the stored JSON value; see example below - - @complexity Constant. - - @liveexample{The example shows several calls to `get_ref()`.,get_ref} - - @since version 1.1.0 - */ -template::value, int>::type = 0> -ReferenceType get_ref() -{ -// delegate call to get_ref_impl -return get_ref_impl(*this); -} - -/*! - @brief get a reference value (implicit) - @copydoc get_ref() - */ -template < typename ReferenceType, typename std::enable_if < -std::is_reference::value&& -std::is_const::type>::value, int >::type = 0 > -ReferenceType get_ref() const -{ -// delegate call to get_ref_impl -return get_ref_impl(*this); -} - -/*! - @brief get a value (implicit) - - Implicit type conversion between the JSON value and a compatible value. - The call is realized by calling @ref get() const. - - @tparam ValueType non-pointer type compatible to the JSON value, for - instance `int` for JSON integer numbers, `bool` for JSON booleans, or - `std::vector` types for JSON arrays. The character type of @ref string_t - as well as an initializer list of this type is excluded to avoid - ambiguities as these types implicitly convert to `std::string`. - - @return copy of the JSON value, converted to type @a ValueType - - @throw type_error.302 in case passed type @a ValueType is incompatible - to the JSON value type (e.g., the JSON value is of type boolean, but a - string is requested); see example below - - @complexity Linear in the size of the JSON value. - - @liveexample{The example below shows several conversions from JSON values - to other types. There a few things to note: (1) Floating-point numbers can - be converted to integers\, (2) A JSON array can be converted to a standard - `std::vector`\, (3) A JSON object can be converted to C++ - associative containers such as `std::unordered_map`.,operator__ValueType} - - @since version 1.0.0 - */ -template < typename ValueType, typename std::enable_if < -!std::is_pointer::value&& -!std::is_same>::value&& -!std::is_same::value&& -!detail::is_basic_json::value -&& !std::is_same>::value -#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) && _MSC_VER >= 1910 && _MSC_VER <= 1914)) -&& !std::is_same::value -#endif -&& detail::is_detected::value -, int >::type = 0 > -JSON_EXPLICIT operator ValueType() const -{ -// delegate the call to get<>() const -return get(); -} - -/*! - @return reference to the binary value - - @throw type_error.302 if the value is not binary - - @sa @ref is_binary() to check if the value is binary - - @since version 3.8.0 - */ -binary_t& get_binary() -{ -if (!is_binary()) -{ -JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); -} - -return *get_ptr(); -} - -/// @copydoc get_binary() -const binary_t& get_binary() const -{ -if (!is_binary()) -{ -JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(type_name()))); -} - -return *get_ptr(); -} - -/// @} - - -//////////////////// -// element access // -//////////////////// - -/// @name element access -/// Access to the JSON value. -/// @{ - -/*! - @brief access specified array element with bounds checking - - Returns a reference to the element at specified location @a idx, with - bounds checking. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__size_type} - */ -reference at(size_type idx) -{ -// at only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -JSON_TRY -{ -return m_value.array->at(idx); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified array element with bounds checking - - Returns a const reference to the element at specified location @a idx, - with bounds checking. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.304 if the JSON value is not an array; in this case, - calling `at` with an index makes no sense. See example below. - @throw out_of_range.401 if the index @a idx is out of range of the array; - that is, `idx >= size()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 1.0.0 - - @liveexample{The example below shows how array elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__size_type_const} - */ -const_reference at(size_type idx) const -{ -// at only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -JSON_TRY -{ -return m_value.array->at(idx); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified object element with bounds checking - - Returns a reference to the element at with specified key @a key, with - bounds checking. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read and - written using `at()`. It also demonstrates the different exceptions that - can be thrown.,at__object_t_key_type} - */ -reference at(const typename object_t::key_type& key) -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_TRY -{ -return m_value.object->at(key); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified object element with bounds checking - - Returns a const reference to the element at with specified key @a key, - with bounds checking. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @throw type_error.304 if the JSON value is not an object; in this case, - calling `at` with a key makes no sense. See example below. - @throw out_of_range.403 if the key @a key is is not stored in the object; - that is, `find(key) == end()`. See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Logarithmic in the size of the container. - - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - - @liveexample{The example below shows how object elements can be read using - `at()`. It also demonstrates the different exceptions that can be thrown., - at__object_t_key_type_const} - */ -const_reference at(const typename object_t::key_type& key) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_TRY -{ -return m_value.object->at(key); -} -JSON_CATCH (std::out_of_range&) -{ -// create better exception explanation -JSON_THROW(out_of_range::create(403, "key '" + key + "' not found")); -} -} -else -{ -JSON_THROW(type_error::create(304, "cannot use at() with " + std::string(type_name()))); -} -} - -/*! - @brief access specified array element - - Returns a reference to the element at specified location @a idx. - - @note If @a idx is beyond the range of the array (i.e., `idx >= size()`), - then the array is silently filled up with `null` values to make `idx` a - valid reference to the last stored element. - - @param[in] idx index of the element to access - - @return reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array or null; in that - cases, using the [] operator with an index makes no sense. - - @complexity Constant if @a idx is in the range of the array. Otherwise - linear in `idx - size()`. - - @liveexample{The example below shows how array elements can be read and - written using `[]` operator. Note the addition of `null` - values.,operatorarray__size_type} - - @since version 1.0.0 - */ -reference operator[](size_type idx) -{ -// implicitly convert null value to an empty array -if (is_null()) -{ -m_type = value_t::array; -m_value.array = create(); -assert_invariant(); -} - -// operator[] only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -// fill up array with null values if given idx is outside range -if (idx >= m_value.array->size()) -{ -m_value.array->insert(m_value.array->end(), -idx - m_value.array->size() + 1, -basic_json()); -} - -return m_value.array->operator[](idx); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); -} - -/*! - @brief access specified array element - - Returns a const reference to the element at specified location @a idx. - - @param[in] idx index of the element to access - - @return const reference to the element at index @a idx - - @throw type_error.305 if the JSON value is not an array; in that case, - using the [] operator with an index makes no sense. - - @complexity Constant. - - @liveexample{The example below shows how array elements can be read using - the `[]` operator.,operatorarray__size_type_const} - - @since version 1.0.0 - */ -const_reference operator[](size_type idx) const -{ -// const operator[] only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -return m_value.array->operator[](idx); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a numeric argument with " + std::string(type_name()))); -} - -/*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ -reference operator[](const typename object_t::key_type& key) -{ -// implicitly convert null value to an empty object -if (is_null()) -{ -m_type = value_t::object; -m_value.object = create(); -assert_invariant(); -} - -// operator[] only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -return m_value.object->operator[](key); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.0.0 - */ -const_reference operator[](const typename object_t::key_type& key) const -{ -// const operator[] only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); -return m_value.object->find(key)->second; -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief access specified object element - - Returns a reference to the element at with specified key @a key. - - @note If @a key is not found in the object, then it is silently added to - the object and filled with a `null` value to make `key` a valid reference. - In case the value was `null` before, it is converted to an object. - - @param[in] key key of the element to access - - @return reference to the element at key @a key - - @throw type_error.305 if the JSON value is not an object or null; in that - cases, using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read and - written using the `[]` operator.,operatorarray__key_type} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ -template -JSON_HEDLEY_NON_NULL(2) -reference operator[](T* key) -{ -// implicitly convert null to object -if (is_null()) -{ -m_type = value_t::object; -m_value = value_t::object; -assert_invariant(); -} - -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -return m_value.object->operator[](key); -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief read-only access specified object element - - Returns a const reference to the element at with specified key @a key. No - bounds checking is performed. - - @warning If the element with key @a key does not exist, the behavior is - undefined. - - @param[in] key key of the element to access - - @return const reference to the element at key @a key - - @pre The element with key @a key must exist. **This precondition is - enforced with an assertion.** - - @throw type_error.305 if the JSON value is not an object; in that case, - using the [] operator with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be read using - the `[]` operator.,operatorarray__key_type_const} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref value() for access by value with a default value - - @since version 1.1.0 - */ -template -JSON_HEDLEY_NON_NULL(2) -const_reference operator[](T* key) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -JSON_ASSERT(m_value.object->find(key) != m_value.object->end()); -return m_value.object->find(key)->second; -} - -JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()))); -} - -/*! - @brief access specified object element with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(key); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const typename object_t::key_type&), this function - does not throw if the given key @a key was not found. - - @note Unlike @ref operator[](const typename object_t::key_type& key), this - function does not implicitly add an element to the position defined by @a - key. This function is furthermore also applicable to const objects. - - @param[in] key key of the element to access - @param[in] default_value the value to return if @a key is not found - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a key - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value} - - @sa @ref at(const typename object_t::key_type&) for access by reference - with range checking - @sa @ref operator[](const typename object_t::key_type&) for unchecked - access by reference - - @since version 1.0.0 - */ -// using std::is_convertible in a std::enable_if will fail when using explicit conversions -template < class ValueType, typename std::enable_if < -detail::is_getable::value -&& !std::is_same::value, int >::type = 0 > -ValueType value(const typename object_t::key_type& key, const ValueType& default_value) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -// if key is found, return value and given default value otherwise -const auto it = find(key); -if (it != end()) -{ -return it->template get(); -} - -return default_value; -} - -JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); -} - -/*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const typename object_t::key_type&, const ValueType&) const - */ -string_t value(const typename object_t::key_type& key, const char* default_value) const -{ -return value(key, string_t(default_value)); -} - -/*! - @brief access specified object element via JSON Pointer with default value - - Returns either a copy of an object's element at the specified key @a key - or a given default value if no element with key @a key exists. - - The function is basically equivalent to executing - @code {.cpp} - try { - return at(ptr); - } catch(out_of_range) { - return default_value; - } - @endcode - - @note Unlike @ref at(const json_pointer&), this function does not throw - if the given key @a key was not found. - - @param[in] ptr a JSON pointer to the element to access - @param[in] default_value the value to return if @a ptr found no value - - @tparam ValueType type compatible to JSON values, for instance `int` for - JSON integer numbers, `bool` for JSON booleans, or `std::vector` types for - JSON arrays. Note the type of the expected value at @a key and the default - value @a default_value must be compatible. - - @return copy of the element at key @a key or @a default_value if @a key - is not found - - @throw type_error.302 if @a default_value does not match the type of the - value at @a ptr - @throw type_error.306 if the JSON value is not an object; in that case, - using `value()` with a key makes no sense. - - @complexity Logarithmic in the size of the container. - - @liveexample{The example below shows how object elements can be queried - with a default value.,basic_json__value_ptr} - - @sa @ref operator[](const json_pointer&) for unchecked access by reference - - @since version 2.0.2 - */ -template::value, int>::type = 0> -ValueType value(const json_pointer& ptr, const ValueType& default_value) const -{ -// at only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -// if pointer resolves a value, return it or use default value -JSON_TRY -{ -return ptr.get_checked(this).template get(); -} -JSON_INTERNAL_CATCH (out_of_range&) -{ -return default_value; -} -} - -JSON_THROW(type_error::create(306, "cannot use value() with " + std::string(type_name()))); -} - -/*! - @brief overload for a default value of type const char* - @copydoc basic_json::value(const json_pointer&, ValueType) const - */ -JSON_HEDLEY_NON_NULL(3) -string_t value(const json_pointer& ptr, const char* default_value) const -{ -return value(ptr, string_t(default_value)); -} - -/*! - @brief access the first element - - Returns a reference to the first element in the container. For a JSON - container `c`, the expression `c.front()` is equivalent to `*c.begin()`. - - @return In case of a structured type (array or object), a reference to the - first element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on `null` value - - @liveexample{The following code shows an example for `front()`.,front} - - @sa @ref back() -- access the last element - - @since version 1.0.0 - */ -reference front() -{ -return *begin(); -} - -/*! - @copydoc basic_json::front() - */ -const_reference front() const -{ -return *cbegin(); -} - -/*! - @brief access the last element - - Returns a reference to the last element in the container. For a JSON - container `c`, the expression `c.back()` is equivalent to - @code {.cpp} - auto tmp = c.end(); - --tmp; - return *tmp; - @endcode - - @return In case of a structured type (array or object), a reference to the - last element is returned. In case of number, string, boolean, or binary - values, a reference to the value is returned. - - @complexity Constant. - - @pre The JSON value must not be `null` (would throw `std::out_of_range`) - or an empty array or object (undefined behavior, **guarded by - assertions**). - @post The JSON value remains unchanged. - - @throw invalid_iterator.214 when called on a `null` value. See example - below. - - @liveexample{The following code shows an example for `back()`.,back} - - @sa @ref front() -- access the first element - - @since version 1.0.0 - */ -reference back() -{ -auto tmp = end(); ---tmp; -return *tmp; -} - -/*! - @copydoc basic_json::back() - */ -const_reference back() const -{ -auto tmp = cend(); ---tmp; -return *tmp; -} - -/*! - @brief remove element given an iterator - - Removes the element specified by iterator @a pos. The iterator @a pos must - be valid and dereferenceable. Thus the `end()` iterator (which is valid, - but is not dereferenceable) cannot be used as a value for @a pos. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] pos iterator to the element to remove - @return Iterator following the last removed element. If the iterator @a - pos refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.202 if called on an iterator which does not belong - to the current JSON value; example: `"iterator does not fit current - value"` - @throw invalid_iterator.205 if called on a primitive type with invalid - iterator (i.e., any iterator which is not `begin()`); example: `"iterator - out of range"` - - @complexity The complexity depends on the type: - - objects: amortized constant - - arrays: linear in distance between @a pos and the end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType} - - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ -template < class IteratorType, typename std::enable_if < -std::is_same::value || -std::is_same::value, int >::type -= 0 > -IteratorType erase(IteratorType pos) -{ -// make sure iterator fits the current value -if (JSON_HEDLEY_UNLIKELY(this != pos.m_object)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -IteratorType result = end(); - -switch (m_type) -{ -case value_t::boolean: -case value_t::number_float: -case value_t::number_integer: -case value_t::number_unsigned: -case value_t::string: -case value_t::binary: -{ -if (JSON_HEDLEY_UNLIKELY(!pos.m_it.primitive_iterator.is_begin())) -{ -JSON_THROW(invalid_iterator::create(205, "iterator out of range")); -} - -if (is_string()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.string); -std::allocator_traits::deallocate(alloc, m_value.string, 1); -m_value.string = nullptr; -} -else if (is_binary()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.binary); -std::allocator_traits::deallocate(alloc, m_value.binary, 1); -m_value.binary = nullptr; -} - -m_type = value_t::null; -assert_invariant(); -break; -} - -case value_t::object: -{ -result.m_it.object_iterator = m_value.object->erase(pos.m_it.object_iterator); -break; -} - -case value_t::array: -{ -result.m_it.array_iterator = m_value.array->erase(pos.m_it.array_iterator); -break; -} - -default: -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} - -return result; -} - -/*! - @brief remove elements given an iterator range - - Removes the element specified by the range `[first; last)`. The iterator - @a first does not need to be dereferenceable if `first == last`: erasing - an empty range is a no-op. - - If called on a primitive type other than `null`, the resulting JSON value - will be `null`. - - @param[in] first iterator to the beginning of the range to remove - @param[in] last iterator past the end of the range to remove - @return Iterator following the last removed element. If the iterator @a - second refers to the last element, the `end()` iterator is returned. - - @tparam IteratorType an @ref iterator or @ref const_iterator - - @post Invalidates iterators and references at or after the point of the - erase, including the `end()` iterator. - - @throw type_error.307 if called on a `null` value; example: `"cannot use - erase() with null"` - @throw invalid_iterator.203 if called on iterators which does not belong - to the current JSON value; example: `"iterators do not fit current value"` - @throw invalid_iterator.204 if called on a primitive type with invalid - iterators (i.e., if `first != begin()` and `last != end()`); example: - `"iterators out of range"` - - @complexity The complexity depends on the type: - - objects: `log(size()) + std::distance(first, last)` - - arrays: linear in the distance between @a first and @a last, plus linear - in the distance between @a last and end of the container - - strings and binary: linear in the length of the member - - other types: constant - - @liveexample{The example shows the result of `erase()` for different JSON - types.,erase__IteratorType_IteratorType} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ -template < class IteratorType, typename std::enable_if < -std::is_same::value || -std::is_same::value, int >::type -= 0 > -IteratorType erase(IteratorType first, IteratorType last) -{ -// make sure iterator fits the current value -if (JSON_HEDLEY_UNLIKELY(this != first.m_object || this != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(203, "iterators do not fit current value")); -} - -IteratorType result = end(); - -switch (m_type) -{ -case value_t::boolean: -case value_t::number_float: -case value_t::number_integer: -case value_t::number_unsigned: -case value_t::string: -case value_t::binary: -{ -if (JSON_HEDLEY_LIKELY(!first.m_it.primitive_iterator.is_begin() -|| !last.m_it.primitive_iterator.is_end())) -{ -JSON_THROW(invalid_iterator::create(204, "iterators out of range")); -} - -if (is_string()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.string); -std::allocator_traits::deallocate(alloc, m_value.string, 1); -m_value.string = nullptr; -} -else if (is_binary()) -{ -AllocatorType alloc; -std::allocator_traits::destroy(alloc, m_value.binary); -std::allocator_traits::deallocate(alloc, m_value.binary, 1); -m_value.binary = nullptr; -} - -m_type = value_t::null; -assert_invariant(); -break; -} - -case value_t::object: -{ -result.m_it.object_iterator = m_value.object->erase(first.m_it.object_iterator, -last.m_it.object_iterator); -break; -} - -case value_t::array: -{ -result.m_it.array_iterator = m_value.array->erase(first.m_it.array_iterator, -last.m_it.array_iterator); -break; -} - -default: -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} - -return result; -} - -/*! - @brief remove element from a JSON object given a key - - Removes elements from a JSON object with the key value @a key. - - @param[in] key value of the elements to remove - - @return Number of elements removed. If @a ObjectType is the default - `std::map` type, the return value will always be `0` (@a key was not - found) or `1` (@a key was found). - - @post References and iterators to the erased elements are invalidated. - Other references and iterators are not affected. - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - - @complexity `log(size()) + count(key)` - - @liveexample{The example shows the effect of `erase()`.,erase__key_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const size_type) -- removes the element from an array at - the given index - - @since version 1.0.0 - */ -size_type erase(const typename object_t::key_type& key) -{ -// this erase only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -return m_value.object->erase(key); -} - -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} - -/*! - @brief remove element from a JSON array given an index - - Removes element from a JSON array at the index @a idx. - - @param[in] idx index of the element to remove - - @throw type_error.307 when called on a type other than JSON object; - example: `"cannot use erase() with null"` - @throw out_of_range.401 when `idx >= size()`; example: `"array index 17 - is out of range"` - - @complexity Linear in distance between @a idx and the end of the container. - - @liveexample{The example shows the effect of `erase()`.,erase__size_type} - - @sa @ref erase(IteratorType) -- removes the element at a given position - @sa @ref erase(IteratorType, IteratorType) -- removes the elements in - the given range - @sa @ref erase(const typename object_t::key_type&) -- removes the element - from an object at the given key - - @since version 1.0.0 - */ -void erase(const size_type idx) -{ -// this erase only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -if (JSON_HEDLEY_UNLIKELY(idx >= size())) -{ -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} - -m_value.array->erase(m_value.array->begin() + static_cast(idx)); -} -else -{ -JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()))); -} -} - -/// @} - - -//////////// -// lookup // -//////////// - -/// @name lookup -/// @{ - -/*! - @brief find an element in a JSON object - - Finds an element in a JSON object with key equivalent to @a key. If the - element is not found or the JSON value is not an object, end() is - returned. - - @note This method always returns @ref end() when executed on a JSON type - that is not an object. - - @param[in] key key value of the element to search for. - - @return Iterator to an element with key equivalent to @a key. If no such - element is found or the JSON value is not an object, past-the-end (see - @ref end()) iterator is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `find()` is used.,find__key_type} - - @sa @ref contains(KeyT&&) const -- checks whether a key exists - - @since version 1.0.0 - */ -template -iterator find(KeyT&& key) -{ -auto result = end(); - -if (is_object()) -{ -result.m_it.object_iterator = m_value.object->find(std::forward(key)); -} - -return result; -} - -/*! - @brief find an element in a JSON object - @copydoc find(KeyT&&) - */ -template -const_iterator find(KeyT&& key) const -{ -auto result = cend(); - -if (is_object()) -{ -result.m_it.object_iterator = m_value.object->find(std::forward(key)); -} - -return result; -} - -/*! - @brief returns the number of occurrences of a key in a JSON object - - Returns the number of elements with key @a key. If ObjectType is the - default `std::map` type, the return value will always be `0` (@a key was - not found) or `1` (@a key was found). - - @note This method always returns `0` when executed on a JSON type that is - not an object. - - @param[in] key key value of the element to count - - @return Number of elements with key @a key. If the JSON value is not an - object, the return value will be `0`. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The example shows how `count()` is used.,count} - - @since version 1.0.0 - */ -template -size_type count(KeyT&& key) const -{ -// return 0 for all nonobject types -return is_object() ? m_value.object->count(std::forward(key)) : 0; -} - -/*! - @brief check the existence of an element in a JSON object - - Check whether an element exists in a JSON object with key equivalent to - @a key. If the element is not found or the JSON value is not an object, - false is returned. - - @note This method always returns false when executed on a JSON type - that is not an object. - - @param[in] key key value to check its existence. - - @return true if an element with specified @a key exists. If no such - element with such key is found or the JSON value is not an object, - false is returned. - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains} - - @sa @ref find(KeyT&&) -- returns an iterator to an object element - @sa @ref contains(const json_pointer&) const -- checks the existence for a JSON pointer - - @since version 3.6.0 - */ -template < typename KeyT, typename std::enable_if < -!std::is_same::type, json_pointer>::value, int >::type = 0 > -bool contains(KeyT && key) const -{ -return is_object() && m_value.object->find(std::forward(key)) != m_value.object->end(); -} - -/*! - @brief check the existence of an element in a JSON object given a JSON pointer - - Check whether the given JSON pointer @a ptr can be resolved in the current - JSON value. - - @note This method can be executed on any JSON value type. - - @param[in] ptr JSON pointer to check its existence. - - @return true if the JSON pointer can be resolved to a stored value, false - otherwise. - - @post If `j.contains(ptr)` returns true, it is safe to call `j[ptr]`. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - - @complexity Logarithmic in the size of the JSON object. - - @liveexample{The following code shows an example for `contains()`.,contains_json_pointer} - - @sa @ref contains(KeyT &&) const -- checks the existence of a key - - @since version 3.7.0 - */ -bool contains(const json_pointer& ptr) const -{ -return ptr.contains(this); -} - -/// @} - - -/////////////// -// iterators // -/////////////// - -/// @name iterators -/// @{ - -/*! - @brief returns an iterator to the first element - - Returns an iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `begin()`.,begin} - - @sa @ref cbegin() -- returns a const iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ -iterator begin() noexcept -{ -iterator result(this); -result.set_begin(); -return result; -} - -/*! - @copydoc basic_json::cbegin() - */ -const_iterator begin() const noexcept -{ -return cbegin(); -} - -/*! - @brief returns a const iterator to the first element - - Returns a const iterator to the first element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator to the first element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).begin()`. - - @liveexample{The following code shows an example for `cbegin()`.,cbegin} - - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref end() -- returns an iterator to the end - @sa @ref cend() -- returns a const iterator to the end - - @since version 1.0.0 - */ -const_iterator cbegin() const noexcept -{ -const_iterator result(this); -result.set_begin(); -return result; -} - -/*! - @brief returns an iterator to one past the last element - - Returns an iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - @liveexample{The following code shows an example for `end()`.,end} - - @sa @ref cend() -- returns a const iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ -iterator end() noexcept -{ -iterator result(this); -result.set_end(); -return result; -} - -/*! - @copydoc basic_json::cend() - */ -const_iterator end() const noexcept -{ -return cend(); -} - -/*! - @brief returns a const iterator to one past the last element - - Returns a const iterator to one past the last element. - - @image html range-begin-end.svg "Illustration from cppreference.com" - - @return const iterator one past the last element - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).end()`. - - @liveexample{The following code shows an example for `cend()`.,cend} - - @sa @ref end() -- returns an iterator to the end - @sa @ref begin() -- returns an iterator to the beginning - @sa @ref cbegin() -- returns a const iterator to the beginning - - @since version 1.0.0 - */ -const_iterator cend() const noexcept -{ -const_iterator result(this); -result.set_end(); -return result; -} - -/*! - @brief returns an iterator to the reverse-beginning - - Returns an iterator to the reverse-beginning; that is, the last element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(end())`. - - @liveexample{The following code shows an example for `rbegin()`.,rbegin} - - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ -reverse_iterator rbegin() noexcept -{ -return reverse_iterator(end()); -} - -/*! - @copydoc basic_json::crbegin() - */ -const_reverse_iterator rbegin() const noexcept -{ -return crbegin(); -} - -/*! - @brief returns an iterator to the reverse-end - - Returns an iterator to the reverse-end; that is, one before the first - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `reverse_iterator(begin())`. - - @liveexample{The following code shows an example for `rend()`.,rend} - - @sa @ref crend() -- returns a const reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ -reverse_iterator rend() noexcept -{ -return reverse_iterator(begin()); -} - -/*! - @copydoc basic_json::crend() - */ -const_reverse_iterator rend() const noexcept -{ -return crend(); -} - -/*! - @brief returns a const reverse iterator to the last element - - Returns a const iterator to the reverse-beginning; that is, the last - element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rbegin()`. - - @liveexample{The following code shows an example for `crbegin()`.,crbegin} - - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref crend() -- returns a const reverse iterator to the end - - @since version 1.0.0 - */ -const_reverse_iterator crbegin() const noexcept -{ -return const_reverse_iterator(cend()); -} - -/*! - @brief returns a const reverse iterator to one before the first - - Returns a const reverse iterator to the reverse-end; that is, one before - the first element. - - @image html range-rbegin-rend.svg "Illustration from cppreference.com" - - @complexity Constant. - - @requirement This function helps `basic_json` satisfying the - [ReversibleContainer](https://en.cppreference.com/w/cpp/named_req/ReversibleContainer) - requirements: - - The complexity is constant. - - Has the semantics of `const_cast(*this).rend()`. - - @liveexample{The following code shows an example for `crend()`.,crend} - - @sa @ref rend() -- returns a reverse iterator to the end - @sa @ref rbegin() -- returns a reverse iterator to the beginning - @sa @ref crbegin() -- returns a const reverse iterator to the beginning - - @since version 1.0.0 - */ -const_reverse_iterator crend() const noexcept -{ -return const_reverse_iterator(cbegin()); -} - -public: -/*! - @brief wrapper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without iterator_wrapper: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without iterator proxy: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with iterator proxy: - - @code{cpp} - for (auto it : json::iterator_wrapper(j_object)) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). - - @param[in] ref reference to a JSON value - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the wrapper is used,iterator_wrapper} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @note The name of this function is not yet final and may change in the - future. - - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use @ref items() instead; - that is, replace `json::iterator_wrapper(j)` with `j.items()`. - */ -JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) -static iteration_proxy iterator_wrapper(reference ref) noexcept -{ -return ref.items(); -} - -/*! - @copydoc iterator_wrapper(reference) - */ -JSON_HEDLEY_DEPRECATED_FOR(3.1.0, items()) -static iteration_proxy iterator_wrapper(const_reference ref) noexcept -{ -return ref.items(); -} - -/*! - @brief helper to access iterator member functions in range-based for - - This function allows to access @ref iterator::key() and @ref - iterator::value() during range-based for loops. In these loops, a - reference to the JSON values is returned, so there is no access to the - underlying iterator. - - For loop without `items()` function: - - @code{cpp} - for (auto it = j_object.begin(); it != j_object.end(); ++it) - { - std::cout << "key: " << it.key() << ", value:" << it.value() << '\n'; - } - @endcode - - Range-based for loop without `items()` function: - - @code{cpp} - for (auto it : j_object) - { - // "it" is of type json::reference and has no key() member - std::cout << "value: " << it << '\n'; - } - @endcode - - Range-based for loop with `items()` function: - - @code{cpp} - for (auto& el : j_object.items()) - { - std::cout << "key: " << el.key() << ", value:" << el.value() << '\n'; - } - @endcode - - The `items()` function also allows to use - [structured bindings](https://en.cppreference.com/w/cpp/language/structured_binding) - (C++17): - - @code{cpp} - for (auto& [key, val] : j_object.items()) - { - std::cout << "key: " << key << ", value:" << val << '\n'; - } - @endcode - - @note When iterating over an array, `key()` will return the index of the - element as string (see example). For primitive types (e.g., numbers), - `key()` returns an empty string. - - @warning Using `items()` on temporary objects is dangerous. Make sure the - object's lifetime exeeds the iteration. See - for more - information. - - @return iteration proxy object wrapping @a ref with an interface to use in - range-based for loops - - @liveexample{The following code shows how the function is used.,items} - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 3.1.0, structured bindings support since 3.5.0. - */ -iteration_proxy items() noexcept -{ -return iteration_proxy(*this); -} - -/*! - @copydoc items() - */ -iteration_proxy items() const noexcept -{ -return iteration_proxy(*this); -} - -/// @} - - -////////////// -// capacity // -////////////// - -/// @name capacity -/// @{ - -/*! - @brief checks whether the container is empty. - - Checks if a JSON value has no elements (i.e. whether its @ref size is `0`). - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `true` - boolean | `false` - string | `false` - number | `false` - binary | `false` - object | result of function `object_t::empty()` - array | result of function `array_t::empty()` - - @liveexample{The following code uses `empty()` to check if a JSON - object contains any elements.,empty} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `empty()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return whether a string stored as JSON value - is empty - it returns whether the JSON container itself is empty which is - false in the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `begin() == end()`. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ -bool empty() const noexcept -{ -switch (m_type) -{ -case value_t::null: -{ -// null values are empty -return true; -} - -case value_t::array: -{ -// delegate call to array_t::empty() -return m_value.array->empty(); -} - -case value_t::object: -{ -// delegate call to object_t::empty() -return m_value.object->empty(); -} - -default: -{ -// all other types are nonempty -return false; -} -} -} - -/*! - @brief returns the number of elements - - Returns the number of elements in a JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` - boolean | `1` - string | `1` - number | `1` - binary | `1` - object | result of function object_t::size() - array | result of function array_t::size() - - @liveexample{The following code calls `size()` on the different value - types.,size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their size() functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @note This function does not return the length of a string stored as JSON - value - it returns the number of elements in the JSON value which is 1 in - the case of a string. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of `std::distance(begin(), end())`. - - @sa @ref empty() -- checks whether the container is empty - @sa @ref max_size() -- returns the maximal number of elements - - @since version 1.0.0 - */ -size_type size() const noexcept -{ -switch (m_type) -{ -case value_t::null: -{ -// null values are empty -return 0; -} - -case value_t::array: -{ -// delegate call to array_t::size() -return m_value.array->size(); -} - -case value_t::object: -{ -// delegate call to object_t::size() -return m_value.object->size(); -} - -default: -{ -// all other types have size 1 -return 1; -} -} -} - -/*! - @brief returns the maximum possible number of elements - - Returns the maximum number of elements a JSON value is able to hold due to - system or library implementation limitations, i.e. `std::distance(begin(), - end())` for the JSON value. - - @return The return value depends on the different types and is - defined as follows: - Value type | return value - ----------- | ------------- - null | `0` (same as `size()`) - boolean | `1` (same as `size()`) - string | `1` (same as `size()`) - number | `1` (same as `size()`) - binary | `1` (same as `size()`) - object | result of function `object_t::max_size()` - array | result of function `array_t::max_size()` - - @liveexample{The following code calls `max_size()` on the different value - types. Note the output is implementation specific.,max_size} - - @complexity Constant, as long as @ref array_t and @ref object_t satisfy - the Container concept; that is, their `max_size()` functions have constant - complexity. - - @iterators No changes. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @requirement This function helps `basic_json` satisfying the - [Container](https://en.cppreference.com/w/cpp/named_req/Container) - requirements: - - The complexity is constant. - - Has the semantics of returning `b.size()` where `b` is the largest - possible JSON value. - - @sa @ref size() -- returns the number of elements - - @since version 1.0.0 - */ -size_type max_size() const noexcept -{ -switch (m_type) -{ -case value_t::array: -{ -// delegate call to array_t::max_size() -return m_value.array->max_size(); -} - -case value_t::object: -{ -// delegate call to object_t::max_size() -return m_value.object->max_size(); -} - -default: -{ -// all other types have max_size() == size() -return size(); -} -} -} - -/// @} - - -/////////////// -// modifiers // -/////////////// - -/// @name modifiers -/// @{ - -/*! - @brief clears the contents - - Clears the content of a JSON value and resets it to the default value as - if @ref basic_json(value_t) would have been called with the current value - type from @ref type(): - - Value type | initial value - ----------- | ------------- - null | `null` - boolean | `false` - string | `""` - number | `0` - binary | An empty byte vector - object | `{}` - array | `[]` - - @post Has the same effect as calling - @code {.cpp} - *this = basic_json(type()); - @endcode - - @liveexample{The example below shows the effect of `clear()` to different - JSON types.,clear} - - @complexity Linear in the size of the JSON value. - - @iterators All iterators, pointers and references related to this container - are invalidated. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @sa @ref basic_json(value_t) -- constructor that creates an object with the - same value than calling `clear()` - - @since version 1.0.0 - */ -void clear() noexcept -{ -switch (m_type) -{ -case value_t::number_integer: -{ -m_value.number_integer = 0; -break; -} - -case value_t::number_unsigned: -{ -m_value.number_unsigned = 0; -break; -} - -case value_t::number_float: -{ -m_value.number_float = 0.0; -break; -} - -case value_t::boolean: -{ -m_value.boolean = false; -break; -} - -case value_t::string: -{ -m_value.string->clear(); -break; -} - -case value_t::binary: -{ -m_value.binary->clear(); -break; -} - -case value_t::array: -{ -m_value.array->clear(); -break; -} - -case value_t::object: -{ -m_value.object->clear(); -break; -} - -default: -break; -} -} - -/*! - @brief add an object to an array - - Appends the given element @a val to the end of the JSON value. If the - function is called on a JSON null value, an empty array is created before - appending @a val. - - @param[in] val the value to add to the JSON array - - @throw type_error.308 when called on a type other than JSON array or - null; example: `"cannot use push_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON array. Note how the `null` value was silently - converted to a JSON array.,push_back} - - @since version 1.0.0 - */ -void push_back(basic_json&& val) -{ -// push_back only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) -{ -JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); -} - -// transform null object into an array -if (is_null()) -{ -m_type = value_t::array; -m_value = value_t::array; -assert_invariant(); -} - -// add element to array (move semantics) -m_value.array->push_back(std::move(val)); -// if val is moved from, basic_json move constructor marks it null so we do not call the destructor -} - -/*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ -reference operator+=(basic_json&& val) -{ -push_back(std::move(val)); -return *this; -} - -/*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ -void push_back(const basic_json& val) -{ -// push_back only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) -{ -JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); -} - -// transform null object into an array -if (is_null()) -{ -m_type = value_t::array; -m_value = value_t::array; -assert_invariant(); -} - -// add element to array -m_value.array->push_back(val); -} - -/*! - @brief add an object to an array - @copydoc push_back(basic_json&&) - */ -reference operator+=(const basic_json& val) -{ -push_back(val); -return *this; -} - -/*! - @brief add an object to an object - - Inserts the given element @a val to the JSON object. If the function is - called on a JSON null value, an empty object is created before inserting - @a val. - - @param[in] val the value to add to the JSON object - - @throw type_error.308 when called on a type other than JSON object or - null; example: `"cannot use push_back() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `push_back()` and `+=` can be used to - add elements to a JSON object. Note how the `null` value was silently - converted to a JSON object.,push_back__object_t__value} - - @since version 1.0.0 - */ -void push_back(const typename object_t::value_type& val) -{ -// push_back only works for null objects or objects -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) -{ -JSON_THROW(type_error::create(308, "cannot use push_back() with " + std::string(type_name()))); -} - -// transform null object into an object -if (is_null()) -{ -m_type = value_t::object; -m_value = value_t::object; -assert_invariant(); -} - -// add element to array -m_value.object->insert(val); -} - -/*! - @brief add an object to an object - @copydoc push_back(const typename object_t::value_type&) - */ -reference operator+=(const typename object_t::value_type& val) -{ -push_back(val); -return *this; -} - -/*! - @brief add an object to an object - - This function allows to use `push_back` with an initializer list. In case - - 1. the current value is an object, - 2. the initializer list @a init contains only two elements, and - 3. the first element of @a init is a string, - - @a init is converted into an object element and added using - @ref push_back(const typename object_t::value_type&). Otherwise, @a init - is converted to a JSON value and added using @ref push_back(basic_json&&). - - @param[in] init an initializer list - - @complexity Linear in the size of the initializer list @a init. - - @note This function is required to resolve an ambiguous overload error, - because pairs like `{"key", "value"}` can be both interpreted as - `object_t::value_type` or `std::initializer_list`, see - https://github.com/nlohmann/json/issues/235 for more information. - - @liveexample{The example shows how initializer lists are treated as - objects when possible.,push_back__initializer_list} - */ -void push_back(initializer_list_t init) -{ -if (is_object() && init.size() == 2 && (*init.begin())->is_string()) -{ -basic_json&& key = init.begin()->moved_or_copied(); -push_back(typename object_t::value_type( -std::move(key.get_ref()), (init.begin() + 1)->moved_or_copied())); -} -else -{ -push_back(basic_json(init)); -} -} - -/*! - @brief add an object to an object - @copydoc push_back(initializer_list_t) - */ -reference operator+=(initializer_list_t init) -{ -push_back(init); -return *this; -} - -/*! - @brief add an object to an array - - Creates a JSON value from the passed parameters @a args to the end of the - JSON value. If the function is called on a JSON null value, an empty array - is created before appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return reference to the inserted element - - @throw type_error.311 when called on a type other than JSON array or - null; example: `"cannot use emplace_back() with number"` - - @complexity Amortized constant. - - @liveexample{The example shows how `push_back()` can be used to add - elements to a JSON array. Note how the `null` value was silently converted - to a JSON array.,emplace_back} - - @since version 2.0.8, returns reference since 3.7.0 - */ -template -reference emplace_back(Args&& ... args) -{ -// emplace_back only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_array()))) -{ -JSON_THROW(type_error::create(311, "cannot use emplace_back() with " + std::string(type_name()))); -} - -// transform null object into an array -if (is_null()) -{ -m_type = value_t::array; -m_value = value_t::array; -assert_invariant(); -} - -// add element to array (perfect forwarding) -#ifdef JSON_HAS_CPP_17 -return m_value.array->emplace_back(std::forward(args)...); -#else -m_value.array->emplace_back(std::forward(args)...); -return m_value.array->back(); -#endif -} - -/*! - @brief add an object to an object if key does not exist - - Inserts a new element into a JSON object constructed in-place with the - given @a args if there is no element with the key in the container. If the - function is called on a JSON null value, an empty object is created before - appending the value created from @a args. - - @param[in] args arguments to forward to a constructor of @ref basic_json - @tparam Args compatible types to create a @ref basic_json object - - @return a pair consisting of an iterator to the inserted element, or the - already-existing element if no insertion happened, and a bool - denoting whether the insertion took place. - - @throw type_error.311 when called on a type other than JSON object or - null; example: `"cannot use emplace() with number"` - - @complexity Logarithmic in the size of the container, O(log(`size()`)). - - @liveexample{The example shows how `emplace()` can be used to add elements - to a JSON object. Note how the `null` value was silently converted to a - JSON object. Further note how no value is added if there was already one - value stored with the same key.,emplace} - - @since version 2.0.8 - */ -template -std::pair emplace(Args&& ... args) -{ -// emplace only works for null objects or arrays -if (JSON_HEDLEY_UNLIKELY(!(is_null() || is_object()))) -{ -JSON_THROW(type_error::create(311, "cannot use emplace() with " + std::string(type_name()))); -} - -// transform null object into an object -if (is_null()) -{ -m_type = value_t::object; -m_value = value_t::object; -assert_invariant(); -} - -// add element to array (perfect forwarding) -auto res = m_value.object->emplace(std::forward(args)...); -// create result iterator and set iterator to the result of emplace -auto it = begin(); -it.m_it.object_iterator = res.first; - -// return pair of iterator and boolean -return {it, res.second}; -} - -/// Helper for insertion of an iterator -/// @note: This uses std::distance to support GCC 4.8, -/// see https://github.com/nlohmann/json/pull/1257 -template -iterator insert_iterator(const_iterator pos, Args&& ... args) -{ -iterator result(this); -JSON_ASSERT(m_value.array != nullptr); - -auto insert_pos = std::distance(m_value.array->begin(), pos.m_it.array_iterator); -m_value.array->insert(pos.m_it.array_iterator, std::forward(args)...); -result.m_it.array_iterator = m_value.array->begin() + insert_pos; - -// This could have been written as: -// result.m_it.array_iterator = m_value.array->insert(pos.m_it.array_iterator, cnt, val); -// but the return value of insert is missing in GCC 4.8, so it is written this way instead. - -return result; -} - -/*! - @brief inserts element - - Inserts element @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] val element to insert - @return iterator pointing to the inserted @a val. - - @throw type_error.309 if called on JSON values other than arrays; - example: `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Constant plus linear in the distance between @a pos and end of - the container. - - @liveexample{The example shows how `insert()` is used.,insert} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, const basic_json& val) -{ -// insert only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// insert to array and return iterator -return insert_iterator(pos, val); -} - -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -/*! - @brief inserts element - @copydoc insert(const_iterator, const basic_json&) - */ -iterator insert(const_iterator pos, basic_json&& val) -{ -return insert(pos, val); -} - -/*! - @brief inserts elements - - Inserts @a cnt copies of @a val before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] cnt number of copies of @a val to insert - @param[in] val element to insert - @return iterator pointing to the first element inserted, or @a pos if - `cnt==0` - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @complexity Linear in @a cnt plus linear in the distance between @a pos - and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__count} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, size_type cnt, const basic_json& val) -{ -// insert only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// insert to array and return iterator -return insert_iterator(pos, cnt, val); -} - -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -/*! - @brief inserts elements - - Inserts elements from range `[first, last)` before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - @throw invalid_iterator.211 if @a first or @a last are iterators into - container for which insert is called; example: `"passed iterators may not - belong to container"` - - @return iterator pointing to the first element inserted, or @a pos if - `first==last` - - @complexity Linear in `std::distance(first, last)` plus linear in the - distance between @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__range} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, const_iterator first, const_iterator last) -{ -// insert only works for arrays -if (JSON_HEDLEY_UNLIKELY(!is_array())) -{ -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// check if range iterators belong to the same JSON object -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); -} - -if (JSON_HEDLEY_UNLIKELY(first.m_object == this)) -{ -JSON_THROW(invalid_iterator::create(211, "passed iterators may not belong to container")); -} - -// insert to array and return iterator -return insert_iterator(pos, first.m_it.array_iterator, last.m_it.array_iterator); -} - -/*! - @brief inserts elements - - Inserts elements from initializer list @a ilist before iterator @a pos. - - @param[in] pos iterator before which the content will be inserted; may be - the end() iterator - @param[in] ilist initializer list to insert the values from - - @throw type_error.309 if called on JSON values other than arrays; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if @a pos is not an iterator of *this; - example: `"iterator does not fit current value"` - - @return iterator pointing to the first element inserted, or @a pos if - `ilist` is empty - - @complexity Linear in `ilist.size()` plus linear in the distance between - @a pos and end of the container. - - @liveexample{The example shows how `insert()` is used.,insert__ilist} - - @since version 1.0.0 - */ -iterator insert(const_iterator pos, initializer_list_t ilist) -{ -// insert only works for arrays -if (JSON_HEDLEY_UNLIKELY(!is_array())) -{ -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -// check if iterator pos fits to this JSON value -if (JSON_HEDLEY_UNLIKELY(pos.m_object != this)) -{ -JSON_THROW(invalid_iterator::create(202, "iterator does not fit current value")); -} - -// insert to array and return iterator -return insert_iterator(pos, ilist.begin(), ilist.end()); -} - -/*! - @brief inserts elements - - Inserts elements from range `[first, last)`. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.309 if called on JSON values other than objects; example: - `"cannot use insert() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity Logarithmic: `O(N*log(size() + N))`, where `N` is the number - of elements to insert. - - @liveexample{The example shows how `insert()` is used.,insert__range_object} - - @since version 3.0.0 - */ -void insert(const_iterator first, const_iterator last) -{ -// insert only works for objects -if (JSON_HEDLEY_UNLIKELY(!is_object())) -{ -JSON_THROW(type_error::create(309, "cannot use insert() with " + std::string(type_name()))); -} - -// check if range iterators belong to the same JSON object -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); -} - -// passed iterators must belong to objects -if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object())) -{ -JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); -} - -m_value.object->insert(first.m_it.object_iterator, last.m_it.object_iterator); -} - -/*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from JSON object @a j and overwrites existing keys. - - @param[in] j JSON object to read values from - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ -void update(const_reference j) -{ -// implicitly convert null value to an empty object -if (is_null()) -{ -m_type = value_t::object; -m_value.object = create(); -assert_invariant(); -} - -if (JSON_HEDLEY_UNLIKELY(!is_object())) -{ -JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); -} -if (JSON_HEDLEY_UNLIKELY(!j.is_object())) -{ -JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(j.type_name()))); -} - -for (auto it = j.cbegin(); it != j.cend(); ++it) -{ -m_value.object->operator[](it.key()) = it.value(); -} -} - -/*! - @brief updates a JSON object from another object, overwriting existing keys - - Inserts all values from from range `[first, last)` and overwrites existing - keys. - - @param[in] first begin of the range of elements to insert - @param[in] last end of the range of elements to insert - - @throw type_error.312 if called on JSON values other than objects; example: - `"cannot use update() with string"` - @throw invalid_iterator.202 if iterator @a first or @a last does does not - point to an object; example: `"iterators first and last must point to - objects"` - @throw invalid_iterator.210 if @a first and @a last do not belong to the - same JSON value; example: `"iterators do not fit"` - - @complexity O(N*log(size() + N)), where N is the number of elements to - insert. - - @liveexample{The example shows how `update()` is used__range.,update} - - @sa https://docs.python.org/3.6/library/stdtypes.html#dict.update - - @since version 3.0.0 - */ -void update(const_iterator first, const_iterator last) -{ -// implicitly convert null value to an empty object -if (is_null()) -{ -m_type = value_t::object; -m_value.object = create(); -assert_invariant(); -} - -if (JSON_HEDLEY_UNLIKELY(!is_object())) -{ -JSON_THROW(type_error::create(312, "cannot use update() with " + std::string(type_name()))); -} - -// check if range iterators belong to the same JSON object -if (JSON_HEDLEY_UNLIKELY(first.m_object != last.m_object)) -{ -JSON_THROW(invalid_iterator::create(210, "iterators do not fit")); -} - -// passed iterators must belong to objects -if (JSON_HEDLEY_UNLIKELY(!first.m_object->is_object() -|| !last.m_object->is_object())) -{ -JSON_THROW(invalid_iterator::create(202, "iterators first and last must point to objects")); -} - -for (auto it = first; it != last; ++it) -{ -m_value.object->operator[](it.key()) = it.value(); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of the JSON value with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ -void swap(reference other) noexcept ( -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value&& -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value -) -{ -std::swap(m_type, other.m_type); -std::swap(m_value, other.m_value); -assert_invariant(); -} - -/*! - @brief exchanges the values - - Exchanges the contents of the JSON value from @a left with those of @a right. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. implemented as a friend function callable via ADL. - - @param[in,out] left JSON value to exchange the contents with - @param[in,out] right JSON value to exchange the contents with - - @complexity Constant. - - @liveexample{The example below shows how JSON values can be swapped with - `swap()`.,swap__reference} - - @since version 1.0.0 - */ -friend void swap(reference left, reference right) noexcept ( -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value&& -std::is_nothrow_move_constructible::value&& -std::is_nothrow_move_assignable::value -) -{ -left.swap(right); -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON array with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other array to exchange the contents with - - @throw type_error.310 when JSON value is not an array; example: `"cannot - use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how arrays can be swapped with - `swap()`.,swap__array_t} - - @since version 1.0.0 - */ -void swap(array_t& other) -{ -// swap only works for arrays -if (JSON_HEDLEY_LIKELY(is_array())) -{ -std::swap(*(m_value.array), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON object with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other object to exchange the contents with - - @throw type_error.310 when JSON value is not an object; example: - `"cannot use swap() with string"` - - @complexity Constant. - - @liveexample{The example below shows how objects can be swapped with - `swap()`.,swap__object_t} - - @since version 1.0.0 - */ -void swap(object_t& other) -{ -// swap only works for objects -if (JSON_HEDLEY_LIKELY(is_object())) -{ -std::swap(*(m_value.object), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other string to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__string_t} - - @since version 1.0.0 - */ -void swap(string_t& other) -{ -// swap only works for strings -if (JSON_HEDLEY_LIKELY(is_string())) -{ -std::swap(*(m_value.string), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/*! - @brief exchanges the values - - Exchanges the contents of a JSON string with those of @a other. Does not - invoke any move, copy, or swap operations on individual elements. All - iterators and references remain valid. The past-the-end iterator is - invalidated. - - @param[in,out] other binary to exchange the contents with - - @throw type_error.310 when JSON value is not a string; example: `"cannot - use swap() with boolean"` - - @complexity Constant. - - @liveexample{The example below shows how strings can be swapped with - `swap()`.,swap__binary_t} - - @since version 3.8.0 - */ -void swap(binary_t& other) -{ -// swap only works for strings -if (JSON_HEDLEY_LIKELY(is_binary())) -{ -std::swap(*(m_value.binary), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/// @copydoc swap(binary_t) -void swap(typename binary_t::container_type& other) -{ -// swap only works for strings -if (JSON_HEDLEY_LIKELY(is_binary())) -{ -std::swap(*(m_value.binary), other); -} -else -{ -JSON_THROW(type_error::create(310, "cannot use swap() with " + std::string(type_name()))); -} -} - -/// @} - -public: -////////////////////////////////////////// -// lexicographical comparison operators // -////////////////////////////////////////// - -/// @name lexicographical comparison operators -/// @{ - -/*! - @brief comparison: equal - - Compares two JSON values for equality according to the following rules: - - Two JSON values are equal if (1) they are from the same type and (2) - their stored values are the same according to their respective - `operator==`. - - Integer and floating-point numbers are automatically converted before - comparison. Note that two NaN values are always treated as unequal. - - Two JSON null values are equal. - - @note Floating-point inside JSON values numbers are compared with - `json::number_float_t::operator==` which is `double::operator==` by - default. To compare floating-point while respecting an epsilon, an alternative - [comparison function](https://github.com/mariokonrad/marnav/blob/master/include/marnav/math/floatingpoint.hpp#L34-#L39) - could be used, for instance - @code {.cpp} - template::value, T>::type> - inline bool is_same(T a, T b, T epsilon = std::numeric_limits::epsilon()) noexcept - { - return std::abs(a - b) <= epsilon; - } - @endcode - Or you can self-defined operator equal function like this: - @code {.cpp} - bool my_equal(const_reference lhs, const_reference rhs) { - const auto lhs_type lhs.type(); - const auto rhs_type rhs.type(); - if (lhs_type == rhs_type) { - switch(lhs_type) - // self_defined case - case value_t::number_float: - return std::abs(lhs - rhs) <= std::numeric_limits::epsilon(); - // other cases remain the same with the original - ... - } - ... - } - @endcode - - @note NaN values never compare equal to themselves or to other NaN values. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are equal - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Linear. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__equal} - - @since version 1.0.0 - */ -friend bool operator==(const_reference lhs, const_reference rhs) noexcept -{ -const auto lhs_type = lhs.type(); -const auto rhs_type = rhs.type(); - -if (lhs_type == rhs_type) -{ -switch (lhs_type) -{ -case value_t::array: -return *lhs.m_value.array == *rhs.m_value.array; - -case value_t::object: -return *lhs.m_value.object == *rhs.m_value.object; - -case value_t::null: -return true; - -case value_t::string: -return *lhs.m_value.string == *rhs.m_value.string; - -case value_t::boolean: -return lhs.m_value.boolean == rhs.m_value.boolean; - -case value_t::number_integer: -return lhs.m_value.number_integer == rhs.m_value.number_integer; - -case value_t::number_unsigned: -return lhs.m_value.number_unsigned == rhs.m_value.number_unsigned; - -case value_t::number_float: -return lhs.m_value.number_float == rhs.m_value.number_float; - -case value_t::binary: -return *lhs.m_value.binary == *rhs.m_value.binary; - -default: -return false; -} -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_integer) == rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) -{ -return lhs.m_value.number_float == static_cast(rhs.m_value.number_integer); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_float == static_cast(rhs.m_value.number_unsigned); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) -{ -return static_cast(lhs.m_value.number_unsigned) == rhs.m_value.number_integer; -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_integer == static_cast(rhs.m_value.number_unsigned); -} - -return false; -} - -/*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator==(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs == basic_json(rhs); -} - -/*! - @brief comparison: equal - @copydoc operator==(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator==(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) == rhs; -} - -/*! - @brief comparison: not equal - - Compares two JSON values for inequality by calculating `not (lhs == rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether the values @a lhs and @a rhs are not equal - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__notequal} - - @since version 1.0.0 - */ -friend bool operator!=(const_reference lhs, const_reference rhs) noexcept -{ -return !(lhs == rhs); -} - -/*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator!=(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs != basic_json(rhs); -} - -/*! - @brief comparison: not equal - @copydoc operator!=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator!=(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) != rhs; -} - -/*! - @brief comparison: less than - - Compares whether one JSON value @a lhs is less than another JSON value @a - rhs according to the following rules: - - If @a lhs and @a rhs have the same type, the values are compared using - the default `<` operator. - - Integer and floating-point numbers are automatically converted before - comparison - - In case @a lhs and @a rhs have different types, the values are ignored - and the order of the types is considered, see - @ref operator<(const value_t, const value_t). - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__less} - - @since version 1.0.0 - */ -friend bool operator<(const_reference lhs, const_reference rhs) noexcept -{ -const auto lhs_type = lhs.type(); -const auto rhs_type = rhs.type(); - -if (lhs_type == rhs_type) -{ -switch (lhs_type) -{ -case value_t::array: -// note parentheses are necessary, see -// https://github.com/nlohmann/json/issues/1530 -return (*lhs.m_value.array) < (*rhs.m_value.array); - -case value_t::object: -return (*lhs.m_value.object) < (*rhs.m_value.object); - -case value_t::null: -return false; - -case value_t::string: -return (*lhs.m_value.string) < (*rhs.m_value.string); - -case value_t::boolean: -return (lhs.m_value.boolean) < (rhs.m_value.boolean); - -case value_t::number_integer: -return (lhs.m_value.number_integer) < (rhs.m_value.number_integer); - -case value_t::number_unsigned: -return (lhs.m_value.number_unsigned) < (rhs.m_value.number_unsigned); - -case value_t::number_float: -return (lhs.m_value.number_float) < (rhs.m_value.number_float); - -case value_t::binary: -return (*lhs.m_value.binary) < (*rhs.m_value.binary); - -default: -return false; -} -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_integer) < rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_integer) -{ -return lhs.m_value.number_float < static_cast(rhs.m_value.number_integer); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_float) -{ -return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_float; -} -else if (lhs_type == value_t::number_float && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_float < static_cast(rhs.m_value.number_unsigned); -} -else if (lhs_type == value_t::number_integer && rhs_type == value_t::number_unsigned) -{ -return lhs.m_value.number_integer < static_cast(rhs.m_value.number_unsigned); -} -else if (lhs_type == value_t::number_unsigned && rhs_type == value_t::number_integer) -{ -return static_cast(lhs.m_value.number_unsigned) < rhs.m_value.number_integer; -} - -// We only reach this line if we cannot compare values. In that case, -// we compare types. Note we have to call the operator explicitly, -// because MSVC has problems otherwise. -return operator<(lhs_type, rhs_type); -} - -/*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs < basic_json(rhs); -} - -/*! - @brief comparison: less than - @copydoc operator<(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) < rhs; -} - -/*! - @brief comparison: less than or equal - - Compares whether one JSON value @a lhs is less than or equal to another - JSON value by calculating `not (rhs < lhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is less than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greater} - - @since version 1.0.0 - */ -friend bool operator<=(const_reference lhs, const_reference rhs) noexcept -{ -return !(rhs < lhs); -} - -/*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<=(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs <= basic_json(rhs); -} - -/*! - @brief comparison: less than or equal - @copydoc operator<=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator<=(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) <= rhs; -} - -/*! - @brief comparison: greater than - - Compares whether one JSON value @a lhs is greater than another - JSON value by calculating `not (lhs <= rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__lessequal} - - @since version 1.0.0 - */ -friend bool operator>(const_reference lhs, const_reference rhs) noexcept -{ -return !(lhs <= rhs); -} - -/*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs > basic_json(rhs); -} - -/*! - @brief comparison: greater than - @copydoc operator>(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) > rhs; -} - -/*! - @brief comparison: greater than or equal - - Compares whether one JSON value @a lhs is greater than or equal to another - JSON value by calculating `not (lhs < rhs)`. - - @param[in] lhs first JSON value to consider - @param[in] rhs second JSON value to consider - @return whether @a lhs is greater than or equal to @a rhs - - @complexity Linear. - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @liveexample{The example demonstrates comparing several JSON - types.,operator__greaterequal} - - @since version 1.0.0 - */ -friend bool operator>=(const_reference lhs, const_reference rhs) noexcept -{ -return !(lhs < rhs); -} - -/*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>=(const_reference lhs, const ScalarType rhs) noexcept -{ -return lhs >= basic_json(rhs); -} - -/*! - @brief comparison: greater than or equal - @copydoc operator>=(const_reference, const_reference) - */ -template::value, int>::type = 0> -friend bool operator>=(const ScalarType lhs, const_reference rhs) noexcept -{ -return basic_json(lhs) >= rhs; -} - -/// @} - -/////////////////// -// serialization // -/////////////////// - -/// @name serialization -/// @{ - -/*! - @brief serialize to stream - - Serialize the given JSON value @a j to the output stream @a o. The JSON - value will be serialized using the @ref dump member function. - - - The indentation of the output can be controlled with the member variable - `width` of the output stream @a o. For instance, using the manipulator - `std::setw(4)` on @a o sets the indentation level to `4` and the - serialization result is the same as calling `dump(4)`. - - - The indentation character can be controlled with the member variable - `fill` of the output stream @a o. For instance, the manipulator - `std::setfill('\\t')` sets indentation to use a tab character rather than - the default space character. - - @param[in,out] o stream to serialize to - @param[in] j JSON value to serialize - - @return the stream @a o - - @throw type_error.316 if a string stored inside the JSON value is not - UTF-8 encoded - - @complexity Linear. - - @liveexample{The example below shows the serialization with different - parameters to `width` to adjust the indentation level.,operator_serialize} - - @since version 1.0.0; indentation character added in version 3.0.0 - */ -friend std::ostream& operator<<(std::ostream& o, const basic_json& j) -{ -// read width member and use it as indentation parameter if nonzero -const bool pretty_print = o.width() > 0; -const auto indentation = pretty_print ? o.width() : 0; - -// reset width to 0 for subsequent calls to this stream -o.width(0); - -// do the actual serialization -serializer s(detail::output_adapter(o), o.fill()); -s.dump(j, pretty_print, false, static_cast(indentation)); -return o; -} - -/*! - @brief serialize to stream - @deprecated This stream operator is deprecated and will be removed in - future 4.0.0 of the library. Please use - @ref operator<<(std::ostream&, const basic_json&) - instead; that is, replace calls like `j >> o;` with `o << j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ -JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator<<(std::ostream&, const basic_json&)) -friend std::ostream& operator>>(const basic_json& j, std::ostream& o) -{ -return o << j; -} - -/// @} - - -///////////////////// -// deserialization // -///////////////////// - -/// @name deserialization -/// @{ - -/*! - @brief deserialize from a compatible input - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the parser callback function - @a cb or reading from the input @a i has a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `parse()` function reading - from an array.,parse__array__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__string__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function with - and without callback function.,parse__istream__parser_callback_t} - - @liveexample{The example below demonstrates the `parse()` function reading - from a contiguous container.,parse__contiguouscontainer__parser_callback_t} - - @since version 2.0.3 (contiguous containers); version 3.9.0 allowed to - ignore comments. - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json parse(InputType&& i, -const parser_callback_t cb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false) -{ -basic_json result; -parser(detail::input_adapter(std::forward(i)), cb, allow_exceptions, ignore_comments).parse(true, result); -return result; -} - -/*! - @brief deserialize from a pair of character iterators - - The value_type of the iterator must be a integral type with size of 1, 2 or - 4 bytes, which will be interpreted respectively as UTF-8, UTF-16 and UTF-32. - - @param[in] first iterator to start of character range - @param[in] last iterator to end of character range - @param[in] cb a parser callback function of type @ref parser_callback_t - which is used to control the deserialization by filtering unwanted values - (optional) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json parse(IteratorType first, -IteratorType last, -const parser_callback_t cb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false) -{ -basic_json result; -parser(detail::input_adapter(std::move(first), std::move(last)), cb, allow_exceptions, ignore_comments).parse(true, result); -return result; -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, parse(ptr, ptr + len)) -static basic_json parse(detail::span_input_adapter&& i, -const parser_callback_t cb = nullptr, -const bool allow_exceptions = true, -const bool ignore_comments = false) -{ -basic_json result; -parser(i.get(), cb, allow_exceptions, ignore_comments).parse(true, result); -return result; -} - -/*! - @brief check if the input is valid JSON - - Unlike the @ref parse(InputType&&, const parser_callback_t,const bool) - function, this function neither throws an exception in case of invalid JSON - input (i.e., a parse error) nor creates diagnostic information. - - @tparam InputType A compatible input, for instance - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default) - - @return Whether the input read from @a i is valid JSON. - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `accept()` function reading - from a string.,accept__string} - */ -template -static bool accept(InputType&& i, -const bool ignore_comments = false) -{ -return parser(detail::input_adapter(std::forward(i)), nullptr, false, ignore_comments).accept(true); -} - -template -static bool accept(IteratorType first, IteratorType last, -const bool ignore_comments = false) -{ -return parser(detail::input_adapter(std::move(first), std::move(last)), nullptr, false, ignore_comments).accept(true); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, accept(ptr, ptr + len)) -static bool accept(detail::span_input_adapter&& i, -const bool ignore_comments = false) -{ -return parser(i.get(), nullptr, false, ignore_comments).accept(true); -} - -/*! - @brief generate SAX events - - The SAX event lister must follow the interface of @ref json_sax. - - This function reads from a compatible input. Examples are: - - an std::istream object - - a FILE pointer - - a C-style array of characters - - a pointer to a null-terminated string of single byte characters - - an object obj for which begin(obj) and end(obj) produces a valid pair of - iterators. - - @param[in] i input to read from - @param[in,out] sax SAX event listener - @param[in] format the format to parse (JSON, CBOR, MessagePack, or UBJSON) - @param[in] strict whether the input has to be consumed completely - @param[in] ignore_comments whether comments should be ignored and treated - like whitespace (true) or yield a parse error (true); (optional, false by - default); only applies to the JSON file format. - - @return return value of the last processed SAX event - - @throw parse_error.101 if a parse error occurs; example: `""unexpected end - of input; expected string literal""` - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. The complexity can be higher if the SAX consumer @a sax has - a super-linear complexity. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below demonstrates the `sax_parse()` function - reading from string and processing the events with a user-defined SAX - event consumer.,sax_parse} - - @since version 3.2.0 - */ -template -JSON_HEDLEY_NON_NULL(2) -static bool sax_parse(InputType&& i, SAX* sax, -input_format_t format = input_format_t::json, -const bool strict = true, -const bool ignore_comments = false) -{ -auto ia = detail::input_adapter(std::forward(i)); -return format == input_format_t::json -? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) -: detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); -} - -template -JSON_HEDLEY_NON_NULL(3) -static bool sax_parse(IteratorType first, IteratorType last, SAX* sax, -input_format_t format = input_format_t::json, -const bool strict = true, -const bool ignore_comments = false) -{ -auto ia = detail::input_adapter(std::move(first), std::move(last)); -return format == input_format_t::json -? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) -: detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); -} - -template -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, sax_parse(ptr, ptr + len, ...)) -JSON_HEDLEY_NON_NULL(2) -static bool sax_parse(detail::span_input_adapter&& i, SAX* sax, -input_format_t format = input_format_t::json, -const bool strict = true, -const bool ignore_comments = false) -{ -auto ia = i.get(); -return format == input_format_t::json -? parser(std::move(ia), nullptr, true, ignore_comments).sax_parse(sax, strict) -: detail::binary_reader(std::move(ia)).sax_parse(format, sax, strict); -} - -/*! - @brief deserialize from stream - @deprecated This stream operator is deprecated and will be removed in - version 4.0.0 of the library. Please use - @ref operator>>(std::istream&, basic_json&) - instead; that is, replace calls like `j << i;` with `i >> j;`. - @since version 1.0.0; deprecated since version 3.0.0 - */ -JSON_HEDLEY_DEPRECATED_FOR(3.0.0, operator>>(std::istream&, basic_json&)) -friend std::istream& operator<<(basic_json& j, std::istream& i) -{ -return operator>>(i, j); -} - -/*! - @brief deserialize from stream - - Deserializes an input stream to a JSON value. - - @param[in,out] i input stream to read a serialized JSON value from - @param[in,out] j JSON value to write the deserialized input to - - @throw parse_error.101 in case of an unexpected token - @throw parse_error.102 if to_unicode fails or surrogate error - @throw parse_error.103 if to_unicode fails - - @complexity Linear in the length of the input. The parser is a predictive - LL(1) parser. - - @note A UTF-8 byte order mark is silently ignored. - - @liveexample{The example below shows how a JSON value is constructed by - reading a serialization from a stream.,operator_deserialize} - - @sa parse(std::istream&, const parser_callback_t) for a variant with a - parser callback function to filter values while parsing - - @since version 1.0.0 - */ -friend std::istream& operator>>(std::istream& i, basic_json& j) -{ -parser(detail::input_adapter(i)).parse(false, j); -return i; -} - -/// @} - -/////////////////////////// -// convenience functions // -/////////////////////////// - -/*! - @brief return the type as string - - Returns the type name as string to be used in error messages - usually to - indicate that a function was called on a wrong JSON type. - - @return a string representation of a the @a m_type member: - Value type | return value - ----------- | ------------- - null | `"null"` - boolean | `"boolean"` - string | `"string"` - number | `"number"` (for all number types) - object | `"object"` - array | `"array"` - binary | `"binary"` - discarded | `"discarded"` - - @exceptionsafety No-throw guarantee: this function never throws exceptions. - - @complexity Constant. - - @liveexample{The following code exemplifies `type_name()` for all JSON - types.,type_name} - - @sa @ref type() -- return the type of the JSON value - @sa @ref operator value_t() -- return the type of the JSON value (implicit) - - @since version 1.0.0, public since 2.1.0, `const char*` and `noexcept` - since 3.0.0 - */ -JSON_HEDLEY_RETURNS_NON_NULL -const char* type_name() const noexcept -{ -{ -switch (m_type) -{ -case value_t::null: -return "null"; -case value_t::object: -return "object"; -case value_t::array: -return "array"; -case value_t::string: -return "string"; -case value_t::boolean: -return "boolean"; -case value_t::binary: -return "binary"; -case value_t::discarded: -return "discarded"; -default: -return "number"; -} -} -} - - -JSON_PRIVATE_UNLESS_TESTED: -////////////////////// -// member variables // -////////////////////// - -/// the type of the current element -value_t m_type = value_t::null; - -/// the value of the current element -json_value m_value = {}; - -////////////////////////////////////////// -// binary serialization/deserialization // -////////////////////////////////////////// - -/// @name binary serialization/deserialization support -/// @{ - -public: -/*! - @brief create a CBOR serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the CBOR (Concise - Binary Object Representation) serialization format. CBOR is a binary - serialization format which aims to be more compact than JSON itself, yet - more efficient to parse. - - The library uses the following mapping from JSON values types to - CBOR types according to the CBOR specification (RFC 7049): - - JSON value type | value/range | CBOR type | first byte - --------------- | ------------------------------------------ | ---------------------------------- | --------------- - null | `null` | Null | 0xF6 - boolean | `true` | True | 0xF5 - boolean | `false` | False | 0xF4 - number_integer | -9223372036854775808..-2147483649 | Negative integer (8 bytes follow) | 0x3B - number_integer | -2147483648..-32769 | Negative integer (4 bytes follow) | 0x3A - number_integer | -32768..-129 | Negative integer (2 bytes follow) | 0x39 - number_integer | -128..-25 | Negative integer (1 byte follow) | 0x38 - number_integer | -24..-1 | Negative integer | 0x20..0x37 - number_integer | 0..23 | Integer | 0x00..0x17 - number_integer | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_integer | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_integer | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_integer | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_unsigned | 0..23 | Integer | 0x00..0x17 - number_unsigned | 24..255 | Unsigned integer (1 byte follow) | 0x18 - number_unsigned | 256..65535 | Unsigned integer (2 bytes follow) | 0x19 - number_unsigned | 65536..4294967295 | Unsigned integer (4 bytes follow) | 0x1A - number_unsigned | 4294967296..18446744073709551615 | Unsigned integer (8 bytes follow) | 0x1B - number_float | *any value representable by a float* | Single-Precision Float | 0xFA - number_float | *any value NOT representable by a float* | Double-Precision Float | 0xFB - string | *length*: 0..23 | UTF-8 string | 0x60..0x77 - string | *length*: 23..255 | UTF-8 string (1 byte follow) | 0x78 - string | *length*: 256..65535 | UTF-8 string (2 bytes follow) | 0x79 - string | *length*: 65536..4294967295 | UTF-8 string (4 bytes follow) | 0x7A - string | *length*: 4294967296..18446744073709551615 | UTF-8 string (8 bytes follow) | 0x7B - array | *size*: 0..23 | array | 0x80..0x97 - array | *size*: 23..255 | array (1 byte follow) | 0x98 - array | *size*: 256..65535 | array (2 bytes follow) | 0x99 - array | *size*: 65536..4294967295 | array (4 bytes follow) | 0x9A - array | *size*: 4294967296..18446744073709551615 | array (8 bytes follow) | 0x9B - object | *size*: 0..23 | map | 0xA0..0xB7 - object | *size*: 23..255 | map (1 byte follow) | 0xB8 - object | *size*: 256..65535 | map (2 bytes follow) | 0xB9 - object | *size*: 65536..4294967295 | map (4 bytes follow) | 0xBA - object | *size*: 4294967296..18446744073709551615 | map (8 bytes follow) | 0xBB - binary | *size*: 0..23 | byte string | 0x40..0x57 - binary | *size*: 23..255 | byte string (1 byte follow) | 0x58 - binary | *size*: 256..65535 | byte string (2 bytes follow) | 0x59 - binary | *size*: 65536..4294967295 | byte string (4 bytes follow) | 0x5A - binary | *size*: 4294967296..18446744073709551615 | byte string (8 bytes follow) | 0x5B - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a CBOR value. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The following CBOR types are not used in the conversion: - - UTF-8 strings terminated by "break" (0x7F) - - arrays terminated by "break" (0x9F) - - maps terminated by "break" (0xBF) - - byte strings terminated by "break" (0x5F) - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - half-precision floats (0xF9) - - break (0xFF) - - @param[in] j JSON value to serialize - @return CBOR serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in CBOR format.,to_cbor} - - @sa http://cbor.io - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - analogous deserialization - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; compact representation of floating-point numbers - since version 3.8.0 - */ -static std::vector to_cbor(const basic_json& j) -{ -std::vector result; -to_cbor(j, result); -return result; -} - -static void to_cbor(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_cbor(j); -} - -static void to_cbor(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_cbor(j); -} - -/*! - @brief create a MessagePack serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the MessagePack - serialization format. MessagePack is a binary serialization format which - aims to be more compact than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - MessagePack types according to the MessagePack specification: - - JSON value type | value/range | MessagePack type | first byte - --------------- | --------------------------------- | ---------------- | ---------- - null | `null` | nil | 0xC0 - boolean | `true` | true | 0xC3 - boolean | `false` | false | 0xC2 - number_integer | -9223372036854775808..-2147483649 | int64 | 0xD3 - number_integer | -2147483648..-32769 | int32 | 0xD2 - number_integer | -32768..-129 | int16 | 0xD1 - number_integer | -128..-33 | int8 | 0xD0 - number_integer | -32..-1 | negative fixint | 0xE0..0xFF - number_integer | 0..127 | positive fixint | 0x00..0x7F - number_integer | 128..255 | uint 8 | 0xCC - number_integer | 256..65535 | uint 16 | 0xCD - number_integer | 65536..4294967295 | uint 32 | 0xCE - number_integer | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_unsigned | 0..127 | positive fixint | 0x00..0x7F - number_unsigned | 128..255 | uint 8 | 0xCC - number_unsigned | 256..65535 | uint 16 | 0xCD - number_unsigned | 65536..4294967295 | uint 32 | 0xCE - number_unsigned | 4294967296..18446744073709551615 | uint 64 | 0xCF - number_float | *any value representable by a float* | float 32 | 0xCA - number_float | *any value NOT representable by a float* | float 64 | 0xCB - string | *length*: 0..31 | fixstr | 0xA0..0xBF - string | *length*: 32..255 | str 8 | 0xD9 - string | *length*: 256..65535 | str 16 | 0xDA - string | *length*: 65536..4294967295 | str 32 | 0xDB - array | *size*: 0..15 | fixarray | 0x90..0x9F - array | *size*: 16..65535 | array 16 | 0xDC - array | *size*: 65536..4294967295 | array 32 | 0xDD - object | *size*: 0..15 | fix map | 0x80..0x8F - object | *size*: 16..65535 | map 16 | 0xDE - object | *size*: 65536..4294967295 | map 32 | 0xDF - binary | *size*: 0..255 | bin 8 | 0xC4 - binary | *size*: 256..65535 | bin 16 | 0xC5 - binary | *size*: 65536..4294967295 | bin 32 | 0xC6 - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a MessagePack value. - - @note The following values can **not** be converted to a MessagePack value: - - strings with more than 4294967295 bytes - - byte strings with more than 4294967295 bytes - - arrays with more than 4294967295 elements - - objects with more than 4294967295 elements - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @param[in] j JSON value to serialize - @return MessagePack serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in MessagePack format.,to_msgpack} - - @sa http://msgpack.org - @sa @ref from_msgpack for the analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9 - */ -static std::vector to_msgpack(const basic_json& j) -{ -std::vector result; -to_msgpack(j, result); -return result; -} - -static void to_msgpack(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_msgpack(j); -} - -static void to_msgpack(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_msgpack(j); -} - -/*! - @brief create a UBJSON serialization of a given JSON value - - Serializes a given JSON value @a j to a byte vector using the UBJSON - (Universal Binary JSON) serialization format. UBJSON aims to be more compact - than JSON itself, yet more efficient to parse. - - The library uses the following mapping from JSON values types to - UBJSON types according to the UBJSON specification: - - JSON value type | value/range | UBJSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | `Z` - boolean | `true` | true | `T` - boolean | `false` | false | `F` - number_integer | -9223372036854775808..-2147483649 | int64 | `L` - number_integer | -2147483648..-32769 | int32 | `l` - number_integer | -32768..-129 | int16 | `I` - number_integer | -128..127 | int8 | `i` - number_integer | 128..255 | uint8 | `U` - number_integer | 256..32767 | int16 | `I` - number_integer | 32768..2147483647 | int32 | `l` - number_integer | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 0..127 | int8 | `i` - number_unsigned | 128..255 | uint8 | `U` - number_unsigned | 256..32767 | int16 | `I` - number_unsigned | 32768..2147483647 | int32 | `l` - number_unsigned | 2147483648..9223372036854775807 | int64 | `L` - number_unsigned | 2147483649..18446744073709551615 | high-precision | `H` - number_float | *any value* | float64 | `D` - string | *with shortest length indicator* | string | `S` - array | *see notes on optimized format* | array | `[` - object | *see notes on optimized format* | map | `{` - - @note The mapping is **complete** in the sense that any JSON value type - can be converted to a UBJSON value. - - @note The following values can **not** be converted to a UBJSON value: - - strings with more than 9223372036854775807 bytes (theoretical) - - @note The following markers are not used in the conversion: - - `Z`: no-op values are not created. - - `C`: single-byte strings are serialized with `S` markers. - - @note Any UBJSON output created @ref to_ubjson can be successfully parsed - by @ref from_ubjson. - - @note If NaN or Infinity are stored inside a JSON number, they are - serialized properly. This behavior differs from the @ref dump() - function which serializes NaN or Infinity to `null`. - - @note The optimized formats for containers are supported: Parameter - @a use_size adds size information to the beginning of a container and - removes the closing marker. Parameter @a use_type further checks - whether all elements of a container have the same type and adds the - type marker to the beginning of the container. The @a use_type - parameter must only be used together with @a use_size = true. Note - that @a use_size = true alone may result in larger representations - - the benefit of this parameter is that the receiving side is - immediately informed on the number of elements of the container. - - @note If the JSON data contains the binary type, the value stored is a list - of integers, as suggested by the UBJSON documentation. In particular, - this means that serialization and the deserialization of a JSON - containing binary values into UBJSON and back will result in a - different JSON object. - - @param[in] j JSON value to serialize - @param[in] use_size whether to add size annotations to container types - @param[in] use_type whether to add type annotations to container types - (must be combined with @a use_size = true) - @return UBJSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in UBJSON format.,to_ubjson} - - @sa http://ubjson.org - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - analogous deserialization - @sa @ref to_cbor(const basic_json& for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - - @since version 3.1.0 - */ -static std::vector to_ubjson(const basic_json& j, -const bool use_size = false, -const bool use_type = false) -{ -std::vector result; -to_ubjson(j, result, use_size, use_type); -return result; -} - -static void to_ubjson(const basic_json& j, detail::output_adapter o, -const bool use_size = false, const bool use_type = false) -{ -binary_writer(o).write_ubjson(j, use_size, use_type); -} - -static void to_ubjson(const basic_json& j, detail::output_adapter o, -const bool use_size = false, const bool use_type = false) -{ -binary_writer(o).write_ubjson(j, use_size, use_type); -} - - -/*! - @brief Serializes the given JSON object `j` to BSON and returns a vector - containing the corresponding BSON-representation. - - BSON (Binary JSON) is a binary format in which zero or more ordered key/value pairs are - stored as a single entity (a so-called document). - - The library uses the following mapping from JSON values types to BSON types: - - JSON value type | value/range | BSON type | marker - --------------- | --------------------------------- | ----------- | ------ - null | `null` | null | 0x0A - boolean | `true`, `false` | boolean | 0x08 - number_integer | -9223372036854775808..-2147483649 | int64 | 0x12 - number_integer | -2147483648..2147483647 | int32 | 0x10 - number_integer | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 0..2147483647 | int32 | 0x10 - number_unsigned | 2147483648..9223372036854775807 | int64 | 0x12 - number_unsigned | 9223372036854775808..18446744073709551615| -- | -- - number_float | *any value* | double | 0x01 - string | *any value* | string | 0x02 - array | *any value* | document | 0x04 - object | *any value* | document | 0x03 - binary | *any value* | binary | 0x05 - - @warning The mapping is **incomplete**, since only JSON-objects (and things - contained therein) can be serialized to BSON. - Also, integers larger than 9223372036854775807 cannot be serialized to BSON, - and the keys may not contain U+0000, since they are serialized a - zero-terminated c-strings. - - @throw out_of_range.407 if `j.is_number_unsigned() && j.get() > 9223372036854775807` - @throw out_of_range.409 if a key in `j` contains a NULL (U+0000) - @throw type_error.317 if `!j.is_object()` - - @pre The input `j` is required to be an object: `j.is_object() == true`. - - @note Any BSON output created via @ref to_bson can be successfully parsed - by @ref from_bson. - - @param[in] j JSON value to serialize - @return BSON serialization as byte vector - - @complexity Linear in the size of the JSON value @a j. - - @liveexample{The example shows the serialization of a JSON value to a byte - vector in BSON format.,to_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref from_bson(detail::input_adapter&&, const bool strict) for the - analogous deserialization - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - related UBJSON format - @sa @ref to_cbor(const basic_json&) for the related CBOR format - @sa @ref to_msgpack(const basic_json&) for the related MessagePack format - */ -static std::vector to_bson(const basic_json& j) -{ -std::vector result; -to_bson(j, result); -return result; -} - -/*! - @brief Serializes the given JSON object `j` to BSON and forwards the - corresponding BSON-representation to the given output_adapter `o`. - @param j The JSON object to convert to BSON. - @param o The output adapter that receives the binary BSON representation. - @pre The input `j` shall be an object: `j.is_object() == true` - @sa @ref to_bson(const basic_json&) - */ -static void to_bson(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_bson(j); -} - -/*! - @copydoc to_bson(const basic_json&, detail::output_adapter) - */ -static void to_bson(const basic_json& j, detail::output_adapter o) -{ -binary_writer(o).write_bson(j); -} - - -/*! - @brief create a JSON value from an input in CBOR format - - Deserializes a given input @a i to a JSON value using the CBOR (Concise - Binary Object Representation) serialization format. - - The library maps CBOR types to JSON value types as follows: - - CBOR type | JSON value type | first byte - ---------------------- | --------------- | ---------- - Integer | number_unsigned | 0x00..0x17 - Unsigned integer | number_unsigned | 0x18 - Unsigned integer | number_unsigned | 0x19 - Unsigned integer | number_unsigned | 0x1A - Unsigned integer | number_unsigned | 0x1B - Negative integer | number_integer | 0x20..0x37 - Negative integer | number_integer | 0x38 - Negative integer | number_integer | 0x39 - Negative integer | number_integer | 0x3A - Negative integer | number_integer | 0x3B - Byte string | binary | 0x40..0x57 - Byte string | binary | 0x58 - Byte string | binary | 0x59 - Byte string | binary | 0x5A - Byte string | binary | 0x5B - UTF-8 string | string | 0x60..0x77 - UTF-8 string | string | 0x78 - UTF-8 string | string | 0x79 - UTF-8 string | string | 0x7A - UTF-8 string | string | 0x7B - UTF-8 string | string | 0x7F - array | array | 0x80..0x97 - array | array | 0x98 - array | array | 0x99 - array | array | 0x9A - array | array | 0x9B - array | array | 0x9F - map | object | 0xA0..0xB7 - map | object | 0xB8 - map | object | 0xB9 - map | object | 0xBA - map | object | 0xBB - map | object | 0xBF - False | `false` | 0xF4 - True | `true` | 0xF5 - Null | `null` | 0xF6 - Half-Precision Float | number_float | 0xF9 - Single-Precision Float | number_float | 0xFA - Double-Precision Float | number_float | 0xFB - - @warning The mapping is **incomplete** in the sense that not all CBOR - types can be converted to a JSON value. The following CBOR types - are not supported and will yield parse errors (parse_error.112): - - date/time (0xC0..0xC1) - - bignum (0xC2..0xC3) - - decimal fraction (0xC4) - - bigfloat (0xC5) - - expected conversions (0xD5..0xD7) - - simple values (0xE0..0xF3, 0xF8) - - undefined (0xF7) - - @warning CBOR allows map keys of any type, whereas JSON only allows - strings as keys in object values. Therefore, CBOR maps with keys - other than UTF-8 strings are rejected (parse_error.113). - - @note Any CBOR output created @ref to_cbor can be successfully parsed by - @ref from_cbor. - - @param[in] i an input in CBOR format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - @param[in] tag_handler how to treat CBOR tags (optional, error by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from CBOR were - used in the given input @a v or if the input is not valid CBOR - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in CBOR - format to a JSON value.,from_cbor} - - @sa http://cbor.io - @sa @ref to_cbor(const basic_json&) for the analogous serialization - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for the - related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0; added @a tag_handler parameter since 3.9.0. - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_cbor(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_cbor(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); -return res ? result : basic_json(value_t::discarded); -} - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) -static basic_json from_cbor(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -return from_cbor(ptr, ptr + len, strict, allow_exceptions, tag_handler); -} - - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_cbor(ptr, ptr + len)) -static basic_json from_cbor(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true, -const cbor_tag_handler_t tag_handler = cbor_tag_handler_t::error) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict, tag_handler); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @brief create a JSON value from an input in MessagePack format - - Deserializes a given input @a i to a JSON value using the MessagePack - serialization format. - - The library maps MessagePack types to JSON value types as follows: - - MessagePack type | JSON value type | first byte - ---------------- | --------------- | ---------- - positive fixint | number_unsigned | 0x00..0x7F - fixmap | object | 0x80..0x8F - fixarray | array | 0x90..0x9F - fixstr | string | 0xA0..0xBF - nil | `null` | 0xC0 - false | `false` | 0xC2 - true | `true` | 0xC3 - float 32 | number_float | 0xCA - float 64 | number_float | 0xCB - uint 8 | number_unsigned | 0xCC - uint 16 | number_unsigned | 0xCD - uint 32 | number_unsigned | 0xCE - uint 64 | number_unsigned | 0xCF - int 8 | number_integer | 0xD0 - int 16 | number_integer | 0xD1 - int 32 | number_integer | 0xD2 - int 64 | number_integer | 0xD3 - str 8 | string | 0xD9 - str 16 | string | 0xDA - str 32 | string | 0xDB - array 16 | array | 0xDC - array 32 | array | 0xDD - map 16 | object | 0xDE - map 32 | object | 0xDF - bin 8 | binary | 0xC4 - bin 16 | binary | 0xC5 - bin 32 | binary | 0xC6 - ext 8 | binary | 0xC7 - ext 16 | binary | 0xC8 - ext 32 | binary | 0xC9 - fixext 1 | binary | 0xD4 - fixext 2 | binary | 0xD5 - fixext 4 | binary | 0xD6 - fixext 8 | binary | 0xD7 - fixext 16 | binary | 0xD8 - negative fixint | number_integer | 0xE0-0xFF - - @note Any MessagePack output created @ref to_msgpack can be successfully - parsed by @ref from_msgpack. - - @param[in] i an input in MessagePack format convertible to an input - adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if unsupported features from MessagePack were - used in the given input @a i or if the input is not valid MessagePack - @throw parse_error.113 if a string was expected as map key, but not found - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - MessagePack format to a JSON value.,from_msgpack} - - @sa http://msgpack.org - @sa @ref to_msgpack(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for - the related UBJSON format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 2.0.9; parameter @a start_index since 2.1.1; changed to - consume input adapters, removed start_index parameter, and added - @a strict parameter since 3.0.0; added @a allow_exceptions parameter - since 3.2.0 - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_msgpack(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_msgpack(detail::input_adapter&&, const bool, const bool) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_msgpack(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) -static basic_json from_msgpack(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true) -{ -return from_msgpack(ptr, ptr + len, strict, allow_exceptions); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_msgpack(ptr, ptr + len)) -static basic_json from_msgpack(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - - -/*! - @brief create a JSON value from an input in UBJSON format - - Deserializes a given input @a i to a JSON value using the UBJSON (Universal - Binary JSON) serialization format. - - The library maps UBJSON types to JSON value types as follows: - - UBJSON type | JSON value type | marker - ----------- | --------------------------------------- | ------ - no-op | *no value, next value is read* | `N` - null | `null` | `Z` - false | `false` | `F` - true | `true` | `T` - float32 | number_float | `d` - float64 | number_float | `D` - uint8 | number_unsigned | `U` - int8 | number_integer | `i` - int16 | number_integer | `I` - int32 | number_integer | `l` - int64 | number_integer | `L` - high-precision number | number_integer, number_unsigned, or number_float - depends on number string | 'H' - string | string | `S` - char | string | `C` - array | array (optimized values are supported) | `[` - object | object (optimized values are supported) | `{` - - @note The mapping is **complete** in the sense that any UBJSON value can - be converted to a JSON value. - - @param[in] i an input in UBJSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.110 if the given input ends prematurely or the end of - file was not reached when @a strict was set to true - @throw parse_error.112 if a parse error occurs - @throw parse_error.113 if a string could not be parsed successfully - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - UBJSON format to a JSON value.,from_ubjson} - - @sa http://ubjson.org - @sa @ref to_ubjson(const basic_json&, const bool, const bool) for the - analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_bson(detail::input_adapter&&, const bool, const bool) for - the related BSON format - - @since version 3.1.0; added @a allow_exceptions parameter since 3.2.0 - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_ubjson(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_ubjson(detail::input_adapter&&, const bool, const bool) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_ubjson(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) -static basic_json from_ubjson(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true) -{ -return from_ubjson(ptr, ptr + len, strict, allow_exceptions); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_ubjson(ptr, ptr + len)) -static basic_json from_ubjson(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - - -/*! - @brief Create a JSON value from an input in BSON format - - Deserializes a given input @a i to a JSON value using the BSON (Binary JSON) - serialization format. - - The library maps BSON record types to JSON value types as follows: - - BSON type | BSON marker byte | JSON value type - --------------- | ---------------- | --------------------------- - double | 0x01 | number_float - string | 0x02 | string - document | 0x03 | object - array | 0x04 | array - binary | 0x05 | binary - undefined | 0x06 | still unsupported - ObjectId | 0x07 | still unsupported - boolean | 0x08 | boolean - UTC Date-Time | 0x09 | still unsupported - null | 0x0A | null - Regular Expr. | 0x0B | still unsupported - DB Pointer | 0x0C | still unsupported - JavaScript Code | 0x0D | still unsupported - Symbol | 0x0E | still unsupported - JavaScript Code | 0x0F | still unsupported - int32 | 0x10 | number_integer - Timestamp | 0x11 | still unsupported - 128-bit decimal float | 0x13 | still unsupported - Max Key | 0x7F | still unsupported - Min Key | 0xFF | still unsupported - - @warning The mapping is **incomplete**. The unsupported mappings - are indicated in the table above. - - @param[in] i an input in BSON format convertible to an input adapter - @param[in] strict whether to expect the input to be consumed until EOF - (true by default) - @param[in] allow_exceptions whether to throw exceptions in case of a - parse error (optional, true by default) - - @return deserialized JSON value; in case of a parse error and - @a allow_exceptions set to `false`, the return value will be - value_t::discarded. - - @throw parse_error.114 if an unsupported BSON record type is encountered - - @complexity Linear in the size of the input @a i. - - @liveexample{The example shows the deserialization of a byte vector in - BSON format to a JSON value.,from_bson} - - @sa http://bsonspec.org/spec.html - @sa @ref to_bson(const basic_json&) for the analogous serialization - @sa @ref from_cbor(detail::input_adapter&&, const bool, const bool, const cbor_tag_handler_t) for the - related CBOR format - @sa @ref from_msgpack(detail::input_adapter&&, const bool, const bool) for - the related MessagePack format - @sa @ref from_ubjson(detail::input_adapter&&, const bool, const bool) for the - related UBJSON format - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_bson(InputType&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::forward(i)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -/*! - @copydoc from_bson(detail::input_adapter&&, const bool, const bool) - */ -template -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json from_bson(IteratorType first, IteratorType last, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = detail::input_adapter(std::move(first), std::move(last)); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} - -template -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) -static basic_json from_bson(const T* ptr, std::size_t len, -const bool strict = true, -const bool allow_exceptions = true) -{ -return from_bson(ptr, ptr + len, strict, allow_exceptions); -} - -JSON_HEDLEY_WARN_UNUSED_RESULT -JSON_HEDLEY_DEPRECATED_FOR(3.8.0, from_bson(ptr, ptr + len)) -static basic_json from_bson(detail::span_input_adapter&& i, -const bool strict = true, -const bool allow_exceptions = true) -{ -basic_json result; -detail::json_sax_dom_parser sdp(result, allow_exceptions); -auto ia = i.get(); -const bool res = binary_reader(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict); -return res ? result : basic_json(value_t::discarded); -} -/// @} - -////////////////////////// -// JSON Pointer support // -////////////////////////// - -/// @name JSON Pointer functions -/// @{ - -/*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. Similar to @ref operator[](const typename - object_t::key_type&), `null` values are created in arrays and objects if - necessary. - - In particular: - - If the JSON pointer points to an object key that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. - - If the JSON pointer points to an array index that does not exist, it - is created an filled with a `null` value before a reference to it - is returned. All indices between the current maximum and the given - index are also filled with `null`. - - The special value `-` is treated as a synonym for the index past the - end. - - @param[in] ptr a JSON pointer - - @return reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer} - - @since version 2.0.0 - */ -reference operator[](const json_pointer& ptr) -{ -return ptr.get_unchecked(this); -} - -/*! - @brief access specified element via JSON Pointer - - Uses a JSON pointer to retrieve a reference to the respective JSON value. - No bound checking is performed. The function does not change the JSON - value; no `null` values are created. In particular, the special value - `-` yields an exception. - - @param[in] ptr JSON pointer to the desired element - - @return const reference to the element pointed to by @a ptr - - @complexity Constant. - - @throw parse_error.106 if an array index begins with '0' - @throw parse_error.109 if an array index was not a number - @throw out_of_range.402 if the array index '-' is used - @throw out_of_range.404 if the JSON pointer can not be resolved - - @liveexample{The behavior is shown in the example.,operatorjson_pointer_const} - - @since version 2.0.0 - */ -const_reference operator[](const json_pointer& ptr) const -{ -return ptr.get_unchecked(this); -} - -/*! - @brief access specified element via JSON Pointer - - Returns a reference to the element at with specified JSON pointer @a ptr, - with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer} - */ -reference at(const json_pointer& ptr) -{ -return ptr.get_checked(this); -} - -/*! - @brief access specified element via JSON Pointer - - Returns a const reference to the element at with specified JSON pointer @a - ptr, with bounds checking. - - @param[in] ptr JSON pointer to the desired element - - @return reference to the element pointed to by @a ptr - - @throw parse_error.106 if an array index in the passed JSON pointer @a ptr - begins with '0'. See example below. - - @throw parse_error.109 if an array index in the passed JSON pointer @a ptr - is not a number. See example below. - - @throw out_of_range.401 if an array index in the passed JSON pointer @a ptr - is out of range. See example below. - - @throw out_of_range.402 if the array index '-' is used in the passed JSON - pointer @a ptr. As `at` provides checked access (and no elements are - implicitly inserted), the index '-' is always invalid. See example below. - - @throw out_of_range.403 if the JSON pointer describes a key of an object - which cannot be found. See example below. - - @throw out_of_range.404 if the JSON pointer @a ptr can not be resolved. - See example below. - - @exceptionsafety Strong guarantee: if an exception is thrown, there are no - changes in the JSON value. - - @complexity Constant. - - @since version 2.0.0 - - @liveexample{The behavior is shown in the example.,at_json_pointer_const} - */ -const_reference at(const json_pointer& ptr) const -{ -return ptr.get_checked(this); -} - -/*! - @brief return flattened JSON value - - The function creates a JSON object whose keys are JSON pointers (see [RFC - 6901](https://tools.ietf.org/html/rfc6901)) and whose values are all - primitive. The original JSON value can be restored using the @ref - unflatten() function. - - @return an object that maps JSON pointers to primitive values - - @note Empty objects and arrays are flattened to `null` and will not be - reconstructed correctly by the @ref unflatten() function. - - @complexity Linear in the size the JSON value. - - @liveexample{The following code shows how a JSON object is flattened to an - object whose keys consist of JSON pointers.,flatten} - - @sa @ref unflatten() for the reverse function - - @since version 2.0.0 - */ -basic_json flatten() const -{ -basic_json result(value_t::object); -json_pointer::flatten("", *this, result); -return result; -} - -/*! - @brief unflatten a previously flattened JSON value - - The function restores the arbitrary nesting of a JSON value that has been - flattened before using the @ref flatten() function. The JSON value must - meet certain constraints: - 1. The value must be an object. - 2. The keys must be JSON pointers (see - [RFC 6901](https://tools.ietf.org/html/rfc6901)) - 3. The mapped values must be primitive JSON types. - - @return the original JSON from a flattened version - - @note Empty objects and arrays are flattened by @ref flatten() to `null` - values and can not unflattened to their original type. Apart from - this example, for a JSON value `j`, the following is always true: - `j == j.flatten().unflatten()`. - - @complexity Linear in the size the JSON value. - - @throw type_error.314 if value is not an object - @throw type_error.315 if object values are not primitive - - @liveexample{The following code shows how a flattened JSON object is - unflattened into the original nested JSON object.,unflatten} - - @sa @ref flatten() for the reverse function - - @since version 2.0.0 - */ -basic_json unflatten() const -{ -return json_pointer::unflatten(*this); -} - -/// @} - -////////////////////////// -// JSON Patch functions // -////////////////////////// - -/// @name JSON Patch functions -/// @{ - -/*! - @brief applies a JSON patch - - [JSON Patch](http://jsonpatch.com) defines a JSON document structure for - expressing a sequence of operations to apply to a JSON) document. With - this function, a JSON Patch is applied to the current JSON value by - executing all operations from the patch. - - @param[in] json_patch JSON patch document - @return patched document - - @note The application of a patch is atomic: Either all operations succeed - and the patched document is returned or an exception is thrown. In - any case, the original value is not changed: the patch is applied - to a copy of the value. - - @throw parse_error.104 if the JSON patch does not consist of an array of - objects - - @throw parse_error.105 if the JSON patch is malformed (e.g., mandatory - attributes are missing); example: `"operation add must have member path"` - - @throw out_of_range.401 if an array index is out of range. - - @throw out_of_range.403 if a JSON pointer inside the patch could not be - resolved successfully in the current JSON value; example: `"key baz not - found"` - - @throw out_of_range.405 if JSON pointer has no parent ("add", "remove", - "move") - - @throw other_error.501 if "test" operation was unsuccessful - - @complexity Linear in the size of the JSON value and the length of the - JSON patch. As usually only a fraction of the JSON value is affected by - the patch, the complexity can usually be neglected. - - @liveexample{The following code shows how a JSON patch is applied to a - value.,patch} - - @sa @ref diff -- create a JSON patch by comparing two JSON values - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - @sa [RFC 6901 (JSON Pointer)](https://tools.ietf.org/html/rfc6901) - - @since version 2.0.0 - */ -basic_json patch(const basic_json& json_patch) const -{ -// make a working copy to apply the patch to -basic_json result = *this; - -// the valid JSON Patch operations -enum class patch_operations {add, remove, replace, move, copy, test, invalid}; - -const auto get_op = [](const std::string & op) -{ -if (op == "add") -{ -return patch_operations::add; -} -if (op == "remove") -{ -return patch_operations::remove; -} -if (op == "replace") -{ -return patch_operations::replace; -} -if (op == "move") -{ -return patch_operations::move; -} -if (op == "copy") -{ -return patch_operations::copy; -} -if (op == "test") -{ -return patch_operations::test; -} - -return patch_operations::invalid; -}; - -// wrapper for "add" operation; add value at ptr -const auto operation_add = [&result](json_pointer & ptr, basic_json val) -{ -// adding to the root of the target document means replacing it -if (ptr.empty()) -{ -result = val; -return; -} - -// make sure the top element of the pointer exists -json_pointer top_pointer = ptr.top(); -if (top_pointer != ptr) -{ -result.at(top_pointer); -} - -// get reference to parent of JSON pointer ptr -const auto last_path = ptr.back(); -ptr.pop_back(); -basic_json& parent = result[ptr]; - -switch (parent.m_type) -{ -case value_t::null: -case value_t::object: -{ -// use operator[] to add value -parent[last_path] = val; -break; -} - -case value_t::array: -{ -if (last_path == "-") -{ -// special case: append to back -parent.push_back(val); -} -else -{ -const auto idx = json_pointer::array_index(last_path); -if (JSON_HEDLEY_UNLIKELY(idx > parent.size())) -{ -// avoid undefined behavior -JSON_THROW(out_of_range::create(401, "array index " + std::to_string(idx) + " is out of range")); -} - -// default case: insert add offset -parent.insert(parent.begin() + static_cast(idx), val); -} -break; -} - -// if there exists a parent it cannot be primitive -default: // LCOV_EXCL_LINE -JSON_ASSERT(false); // LCOV_EXCL_LINE -} -}; - -// wrapper for "remove" operation; remove value at ptr -const auto operation_remove = [&result](json_pointer & ptr) -{ -// get reference to parent of JSON pointer ptr -const auto last_path = ptr.back(); -ptr.pop_back(); -basic_json& parent = result.at(ptr); - -// remove child -if (parent.is_object()) -{ -// perform range check -auto it = parent.find(last_path); -if (JSON_HEDLEY_LIKELY(it != parent.end())) -{ -parent.erase(it); -} -else -{ -JSON_THROW(out_of_range::create(403, "key '" + last_path + "' not found")); -} -} -else if (parent.is_array()) -{ -// note erase performs range check -parent.erase(json_pointer::array_index(last_path)); -} -}; - -// type check: top level value must be an array -if (JSON_HEDLEY_UNLIKELY(!json_patch.is_array())) -{ -JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); -} - -// iterate and apply the operations -for (const auto& val : json_patch) -{ -// wrapper to get a value for an operation -const auto get_value = [&val](const std::string & op, -const std::string & member, -bool string_type) -> basic_json & -{ -// find value -auto it = val.m_value.object->find(member); - -// context-sensitive error message -const auto error_msg = (op == "op") ? "operation" : "operation '" + op + "'"; - -// check if desired value is present -if (JSON_HEDLEY_UNLIKELY(it == val.m_value.object->end())) -{ -JSON_THROW(parse_error::create(105, 0, error_msg + " must have member '" + member + "'")); -} - -// check if result is of type string -if (JSON_HEDLEY_UNLIKELY(string_type && !it->second.is_string())) -{ -JSON_THROW(parse_error::create(105, 0, error_msg + " must have string member '" + member + "'")); -} - -// no error: return value -return it->second; -}; - -// type check: every element of the array must be an object -if (JSON_HEDLEY_UNLIKELY(!val.is_object())) -{ -JSON_THROW(parse_error::create(104, 0, "JSON patch must be an array of objects")); -} - -// collect mandatory members -const auto op = get_value("op", "op", true).template get(); -const auto path = get_value(op, "path", true).template get(); -json_pointer ptr(path); - -switch (get_op(op)) -{ -case patch_operations::add: -{ -operation_add(ptr, get_value("add", "value", false)); -break; -} - -case patch_operations::remove: -{ -operation_remove(ptr); -break; -} - -case patch_operations::replace: -{ -// the "path" location must exist - use at() -result.at(ptr) = get_value("replace", "value", false); -break; -} - -case patch_operations::move: -{ -const auto from_path = get_value("move", "from", true).template get(); -json_pointer from_ptr(from_path); - -// the "from" location must exist - use at() -basic_json v = result.at(from_ptr); - -// The move operation is functionally identical to a -// "remove" operation on the "from" location, followed -// immediately by an "add" operation at the target -// location with the value that was just removed. -operation_remove(from_ptr); -operation_add(ptr, v); -break; -} - -case patch_operations::copy: -{ -const auto from_path = get_value("copy", "from", true).template get(); -const json_pointer from_ptr(from_path); - -// the "from" location must exist - use at() -basic_json v = result.at(from_ptr); - -// The copy is functionally identical to an "add" -// operation at the target location using the value -// specified in the "from" member. -operation_add(ptr, v); -break; -} - -case patch_operations::test: -{ -bool success = false; -JSON_TRY -{ -// check if "value" matches the one at "path" -// the "path" location must exist - use at() -success = (result.at(ptr) == get_value("test", "value", false)); -} -JSON_INTERNAL_CATCH (out_of_range&) -{ -// ignore out of range errors: success remains false -} - -// throw an exception if test fails -if (JSON_HEDLEY_UNLIKELY(!success)) -{ -JSON_THROW(other_error::create(501, "unsuccessful: " + val.dump())); -} - -break; -} - -default: -{ -// op must be "add", "remove", "replace", "move", "copy", or -// "test" -JSON_THROW(parse_error::create(105, 0, "operation value '" + op + "' is invalid")); -} -} -} - -return result; -} - -/*! - @brief creates a diff as a JSON patch - - Creates a [JSON Patch](http://jsonpatch.com) so that value @a source can - be changed into the value @a target by calling @ref patch function. - - @invariant For two JSON values @a source and @a target, the following code - yields always `true`: - @code {.cpp} - source.patch(diff(source, target)) == target; - @endcode - - @note Currently, only `remove`, `add`, and `replace` operations are - generated. - - @param[in] source JSON value to compare from - @param[in] target JSON value to compare against - @param[in] path helper value to create JSON pointers - - @return a JSON patch to convert the @a source to @a target - - @complexity Linear in the lengths of @a source and @a target. - - @liveexample{The following code shows how a JSON patch is created as a - diff for two JSON values.,diff} - - @sa @ref patch -- apply a JSON patch - @sa @ref merge_patch -- apply a JSON Merge Patch - - @sa [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902) - - @since version 2.0.0 - */ -JSON_HEDLEY_WARN_UNUSED_RESULT -static basic_json diff(const basic_json& source, const basic_json& target, -const std::string& path = "") -{ -// the patch -basic_json result(value_t::array); - -// if the values are the same, return empty patch -if (source == target) -{ -return result; -} - -if (source.type() != target.type()) -{ -// different types: replace value -result.push_back( -{ -{"op", "replace"}, {"path", path}, {"value", target} -}); -return result; -} - -switch (source.type()) -{ -case value_t::array: -{ -// first pass: traverse common elements -std::size_t i = 0; -while (i < source.size() && i < target.size()) -{ -// recursive call to compare array values at index i -auto temp_diff = diff(source[i], target[i], path + "/" + std::to_string(i)); -result.insert(result.end(), temp_diff.begin(), temp_diff.end()); -++i; -} - -// i now reached the end of at least one array -// in a second pass, traverse the remaining elements - -// remove my remaining elements -const auto end_index = static_cast(result.size()); -while (i < source.size()) -{ -// add operations in reverse order to avoid invalid -// indices -result.insert(result.begin() + end_index, object( -{ -{"op", "remove"}, -{"path", path + "/" + std::to_string(i)} -})); -++i; -} - -// add other remaining elements -while (i < target.size()) -{ -result.push_back( -{ -{"op", "add"}, -{"path", path + "/-"}, -{"value", target[i]} -}); -++i; -} - -break; -} - -case value_t::object: -{ -// first pass: traverse this object's elements -for (auto it = source.cbegin(); it != source.cend(); ++it) -{ -// escape the key name to be used in a JSON patch -const auto key = json_pointer::escape(it.key()); - -if (target.find(it.key()) != target.end()) -{ -// recursive call to compare object values at key it -auto temp_diff = diff(it.value(), target[it.key()], path + "/" + key); -result.insert(result.end(), temp_diff.begin(), temp_diff.end()); -} -else -{ -// found a key that is not in o -> remove it -result.push_back(object( -{ -{"op", "remove"}, {"path", path + "/" + key} -})); -} -} - -// second pass: traverse other object's elements -for (auto it = target.cbegin(); it != target.cend(); ++it) -{ -if (source.find(it.key()) == source.end()) -{ -// found a key that is not in this -> add it -const auto key = json_pointer::escape(it.key()); -result.push_back( -{ -{"op", "add"}, {"path", path + "/" + key}, -{"value", it.value()} -}); -} -} - -break; -} - -default: -{ -// both primitive type: replace value -result.push_back( -{ -{"op", "replace"}, {"path", path}, {"value", target} -}); -break; -} -} - -return result; -} - -/// @} - -//////////////////////////////// -// JSON Merge Patch functions // -//////////////////////////////// - -/// @name JSON Merge Patch functions -/// @{ - -/*! - @brief applies a JSON Merge Patch - - The merge patch format is primarily intended for use with the HTTP PATCH - method as a means of describing a set of modifications to a target - resource's content. This function applies a merge patch to the current - JSON value. - - The function implements the following algorithm from Section 2 of - [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396): - - ``` - define MergePatch(Target, Patch): - if Patch is an Object: - if Target is not an Object: - Target = {} // Ignore the contents and set it to an empty Object - for each Name/Value pair in Patch: - if Value is null: - if Name exists in Target: - remove the Name/Value pair from Target - else: - Target[Name] = MergePatch(Target[Name], Value) - return Target - else: - return Patch - ``` - - Thereby, `Target` is the current object; that is, the patch is applied to - the current value. - - @param[in] apply_patch the patch to apply - - @complexity Linear in the lengths of @a patch. - - @liveexample{The following code shows how a JSON Merge Patch is applied to - a JSON document.,merge_patch} - - @sa @ref patch -- apply a JSON patch - @sa [RFC 7396 (JSON Merge Patch)](https://tools.ietf.org/html/rfc7396) - - @since version 3.0.0 - */ -void merge_patch(const basic_json& apply_patch) -{ -if (apply_patch.is_object()) -{ -if (!is_object()) -{ -*this = object(); -} -for (auto it = apply_patch.begin(); it != apply_patch.end(); ++it) -{ -if (it.value().is_null()) -{ -erase(it.key()); -} -else -{ -operator[](it.key()).merge_patch(it.value()); -} -} -} -else -{ -*this = apply_patch; -} -} - -/// @} -}; - -/*! -@brief user-defined to_string function for JSON values - -This function implements a user-defined to_string for JSON objects. - -@param[in] j a JSON object -@return a std::string object -*/ - -NLOHMANN_BASIC_JSON_TPL_DECLARATION -std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j) -{ -return j.dump(); -} -} // namespace nlohmann - -/////////////////////// -// nonmember support // -/////////////////////// - -// specialization of std::swap, and std::hash -namespace std -{ - -/// hash value for JSON objects -template<> -struct hash -{ -/*! - @brief return a hash value for a JSON object - - @since version 1.0.0 - */ -std::size_t operator()(const nlohmann::json& j) const -{ -return nlohmann::detail::hash(j); -} -}; - -/// specialization for std::less -/// @note: do not remove the space after '<', -/// see https://github.com/nlohmann/json/pull/679 -template<> -struct less<::nlohmann::detail::value_t> -{ -/*! - @brief compare two value_t enum values - @since version 3.0.0 - */ -bool operator()(nlohmann::detail::value_t lhs, -nlohmann::detail::value_t rhs) const noexcept -{ -return nlohmann::detail::operator<(lhs, rhs); -} -}; - -// C++20 prohibit function specialization in the std namespace. -#ifndef JSON_HAS_CPP_20 - -/*! -@brief exchanges the values of two JSON objects - -@since version 1.0.0 -*/ -template<> -inline void swap(nlohmann::json& j1, nlohmann::json& j2) noexcept( -is_nothrow_move_constructible::value&& -is_nothrow_move_assignable::value -) -{ -j1.swap(j2); -} - -#endif - -} // namespace std - -/*! -@brief user-defined string literal for JSON values - -This operator implements a user-defined string literal for JSON objects. It -can be used by adding `"_json"` to a string literal and returns a JSON object -if no parse error occurred. - -@param[in] s a string representation of a JSON object -@param[in] n the length of string @a s -@return a JSON object - -@since version 1.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json operator "" _json(const char* s, std::size_t n) -{ -return nlohmann::json::parse(s, s + n); -} - -/*! -@brief user-defined string literal for JSON pointer - -This operator implements a user-defined string literal for JSON Pointers. It -can be used by adding `"_json_pointer"` to a string literal and returns a JSON pointer -object if no parse error occurred. - -@param[in] s a string representation of a JSON Pointer -@param[in] n the length of string @a s -@return a JSON pointer object - -@since version 2.0.0 -*/ -JSON_HEDLEY_NON_NULL(1) -inline nlohmann::json::json_pointer operator "" _json_pointer(const char* s, std::size_t n) -{ -return nlohmann::json::json_pointer(std::string(s, n)); -} - -// #include - - -// restore GCC/clang diagnostic settings -#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) -#pragma GCC diagnostic pop -#endif -#if defined(__clang__) -#pragma GCC diagnostic pop -#endif - -// clean up -#undef JSON_ASSERT -#undef JSON_INTERNAL_CATCH -#undef JSON_CATCH -#undef JSON_THROW -#undef JSON_TRY -#undef JSON_PRIVATE_UNLESS_TESTED -#undef JSON_HAS_CPP_14 -#undef JSON_HAS_CPP_17 -#undef NLOHMANN_BASIC_JSON_TPL_DECLARATION -#undef NLOHMANN_BASIC_JSON_TPL -#undef JSON_EXPLICIT - -// #include -#undef JSON_HEDLEY_ALWAYS_INLINE -#undef JSON_HEDLEY_ARM_VERSION -#undef JSON_HEDLEY_ARM_VERSION_CHECK -#undef JSON_HEDLEY_ARRAY_PARAM -#undef JSON_HEDLEY_ASSUME -#undef JSON_HEDLEY_BEGIN_C_DECLS -#undef JSON_HEDLEY_CLANG_HAS_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_BUILTIN -#undef JSON_HEDLEY_CLANG_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_CLANG_HAS_EXTENSION -#undef JSON_HEDLEY_CLANG_HAS_FEATURE -#undef JSON_HEDLEY_CLANG_HAS_WARNING -#undef JSON_HEDLEY_COMPCERT_VERSION -#undef JSON_HEDLEY_COMPCERT_VERSION_CHECK -#undef JSON_HEDLEY_CONCAT -#undef JSON_HEDLEY_CONCAT3 -#undef JSON_HEDLEY_CONCAT3_EX -#undef JSON_HEDLEY_CONCAT_EX -#undef JSON_HEDLEY_CONST -#undef JSON_HEDLEY_CONSTEXPR -#undef JSON_HEDLEY_CONST_CAST -#undef JSON_HEDLEY_CPP_CAST -#undef JSON_HEDLEY_CRAY_VERSION -#undef JSON_HEDLEY_CRAY_VERSION_CHECK -#undef JSON_HEDLEY_C_DECL -#undef JSON_HEDLEY_DEPRECATED -#undef JSON_HEDLEY_DEPRECATED_FOR -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES -#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS -#undef JSON_HEDLEY_DIAGNOSTIC_POP -#undef JSON_HEDLEY_DIAGNOSTIC_PUSH -#undef JSON_HEDLEY_DMC_VERSION -#undef JSON_HEDLEY_DMC_VERSION_CHECK -#undef JSON_HEDLEY_EMPTY_BASES -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION -#undef JSON_HEDLEY_EMSCRIPTEN_VERSION_CHECK -#undef JSON_HEDLEY_END_C_DECLS -#undef JSON_HEDLEY_FLAGS -#undef JSON_HEDLEY_FLAGS_CAST -#undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_BUILTIN -#undef JSON_HEDLEY_GCC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GCC_HAS_EXTENSION -#undef JSON_HEDLEY_GCC_HAS_FEATURE -#undef JSON_HEDLEY_GCC_HAS_WARNING -#undef JSON_HEDLEY_GCC_NOT_CLANG_VERSION_CHECK -#undef JSON_HEDLEY_GCC_VERSION -#undef JSON_HEDLEY_GCC_VERSION_CHECK -#undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_BUILTIN -#undef JSON_HEDLEY_GNUC_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_GNUC_HAS_EXTENSION -#undef JSON_HEDLEY_GNUC_HAS_FEATURE -#undef JSON_HEDLEY_GNUC_HAS_WARNING -#undef JSON_HEDLEY_GNUC_VERSION -#undef JSON_HEDLEY_GNUC_VERSION_CHECK -#undef JSON_HEDLEY_HAS_ATTRIBUTE -#undef JSON_HEDLEY_HAS_BUILTIN -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE -#undef JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS -#undef JSON_HEDLEY_HAS_DECLSPEC_ATTRIBUTE -#undef JSON_HEDLEY_HAS_EXTENSION -#undef JSON_HEDLEY_HAS_FEATURE -#undef JSON_HEDLEY_HAS_WARNING -#undef JSON_HEDLEY_IAR_VERSION -#undef JSON_HEDLEY_IAR_VERSION_CHECK -#undef JSON_HEDLEY_IBM_VERSION -#undef JSON_HEDLEY_IBM_VERSION_CHECK -#undef JSON_HEDLEY_IMPORT -#undef JSON_HEDLEY_INLINE -#undef JSON_HEDLEY_INTEL_CL_VERSION -#undef JSON_HEDLEY_INTEL_CL_VERSION_CHECK -#undef JSON_HEDLEY_INTEL_VERSION -#undef JSON_HEDLEY_INTEL_VERSION_CHECK -#undef JSON_HEDLEY_IS_CONSTANT -#undef JSON_HEDLEY_IS_CONSTEXPR_ -#undef JSON_HEDLEY_LIKELY -#undef JSON_HEDLEY_MALLOC -#undef JSON_HEDLEY_MESSAGE -#undef JSON_HEDLEY_MSVC_VERSION -#undef JSON_HEDLEY_MSVC_VERSION_CHECK -#undef JSON_HEDLEY_NEVER_INLINE -#undef JSON_HEDLEY_NON_NULL -#undef JSON_HEDLEY_NO_ESCAPE -#undef JSON_HEDLEY_NO_RETURN -#undef JSON_HEDLEY_NO_THROW -#undef JSON_HEDLEY_NULL -#undef JSON_HEDLEY_PELLES_VERSION -#undef JSON_HEDLEY_PELLES_VERSION_CHECK -#undef JSON_HEDLEY_PGI_VERSION -#undef JSON_HEDLEY_PGI_VERSION_CHECK -#undef JSON_HEDLEY_PREDICT -#undef JSON_HEDLEY_PRINTF_FORMAT -#undef JSON_HEDLEY_PRIVATE -#undef JSON_HEDLEY_PUBLIC -#undef JSON_HEDLEY_PURE -#undef JSON_HEDLEY_REINTERPRET_CAST -#undef JSON_HEDLEY_REQUIRE -#undef JSON_HEDLEY_REQUIRE_CONSTEXPR -#undef JSON_HEDLEY_REQUIRE_MSG -#undef JSON_HEDLEY_RESTRICT -#undef JSON_HEDLEY_RETURNS_NON_NULL -#undef JSON_HEDLEY_SENTINEL -#undef JSON_HEDLEY_STATIC_ASSERT -#undef JSON_HEDLEY_STATIC_CAST -#undef JSON_HEDLEY_STRINGIFY -#undef JSON_HEDLEY_STRINGIFY_EX -#undef JSON_HEDLEY_SUNPRO_VERSION -#undef JSON_HEDLEY_SUNPRO_VERSION_CHECK -#undef JSON_HEDLEY_TINYC_VERSION -#undef JSON_HEDLEY_TINYC_VERSION_CHECK -#undef JSON_HEDLEY_TI_ARMCL_VERSION -#undef JSON_HEDLEY_TI_ARMCL_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL2000_VERSION -#undef JSON_HEDLEY_TI_CL2000_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL430_VERSION -#undef JSON_HEDLEY_TI_CL430_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL6X_VERSION -#undef JSON_HEDLEY_TI_CL6X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CL7X_VERSION -#undef JSON_HEDLEY_TI_CL7X_VERSION_CHECK -#undef JSON_HEDLEY_TI_CLPRU_VERSION -#undef JSON_HEDLEY_TI_CLPRU_VERSION_CHECK -#undef JSON_HEDLEY_TI_VERSION -#undef JSON_HEDLEY_TI_VERSION_CHECK -#undef JSON_HEDLEY_UNAVAILABLE -#undef JSON_HEDLEY_UNLIKELY -#undef JSON_HEDLEY_UNPREDICTABLE -#undef JSON_HEDLEY_UNREACHABLE -#undef JSON_HEDLEY_UNREACHABLE_RETURN -#undef JSON_HEDLEY_VERSION -#undef JSON_HEDLEY_VERSION_DECODE_MAJOR -#undef JSON_HEDLEY_VERSION_DECODE_MINOR -#undef JSON_HEDLEY_VERSION_DECODE_REVISION -#undef JSON_HEDLEY_VERSION_ENCODE -#undef JSON_HEDLEY_WARNING -#undef JSON_HEDLEY_WARN_UNUSED_RESULT -#undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG -#undef JSON_HEDLEY_FALL_THROUGH - - - -#endif // INCLUDE_NLOHMANN_JSON_HPP_ From 644ba5294863d12ce32ea1b1c4eb36945face2ff Mon Sep 17 00:00:00 2001 From: ProtectedVariable Date: Thu, 15 Jan 2026 11:37:48 +0100 Subject: [PATCH 03/14] test build* --- ICE/Assets/test/AssetBankTest.cpp | 15 +-- ICE/GraphicsAPI/CMakeLists.txt | 2 - ICE/GraphicsAPI/None/CMakeLists.txt | 15 --- ICE/GraphicsAPI/None/NoneGraphics.h | 125 --------------------- ICE/GraphicsAPI/None/NoneGraphicsFactory.h | 47 -------- ICE/IO/test/ModelLoaderTest.cpp | 6 +- 6 files changed, 8 insertions(+), 202 deletions(-) delete mode 100644 ICE/GraphicsAPI/None/CMakeLists.txt delete mode 100644 ICE/GraphicsAPI/None/NoneGraphics.h delete mode 100644 ICE/GraphicsAPI/None/NoneGraphicsFactory.h diff --git a/ICE/Assets/test/AssetBankTest.cpp b/ICE/Assets/test/AssetBankTest.cpp index 7c7ccd11..83d47857 100644 --- a/ICE/Assets/test/AssetBankTest.cpp +++ b/ICE/Assets/test/AssetBankTest.cpp @@ -5,14 +5,11 @@ #include #include "AssetBank.h" -#include "NoneGraphicsFactory.h" using namespace ICE; - TEST(AssetBankTest, AddedAssetsCanBeRetrieved) { - NoneGraphicsFactory g_fac; - AssetBank ab(std::make_shared(g_fac)); + AssetBank ab; auto mtl = std::make_shared(); ab.addAsset("a_ice_test_mtl", mtl); ASSERT_EQ(ab.getAsset("a_ice_test_mtl"), mtl); @@ -23,19 +20,19 @@ TEST(AssetBankTest, AddedAssetsCanBeRetrieved) { ASSERT_EQ(ab.getAsset("a_ice_test_mesh"), mesh); ASSERT_EQ(ab.getAsset("lel"), nullptr); - auto tex = g_fac.createTexture2D("Not needed for this"); + auto tex = std::make_shared(nullptr, 0, 0, ICE::TextureFormat::SRGB8); ab.addAsset("a_ice_test_tex", tex); ASSERT_EQ(ab.getAsset("a_ice_test_tex"), tex); ASSERT_EQ(ab.getAsset("lil"), nullptr); - auto shader = g_fac.createShader("", ""); + auto shader = std::make_shared(); ab.addAsset("a_ice_test_shader", shader); ASSERT_EQ(ab.getAsset("a_ice_test_shader"), shader); ASSERT_EQ(ab.getAsset("lul"), nullptr); } TEST(AssetBankTest, AssetsCanBeRenamed) { - AssetBank ab(std::make_shared()); + AssetBank ab; auto mtl = std::make_shared(); ab.addAsset("a_ice_test_mtl", mtl); ASSERT_EQ(ab.getAsset("a_ice_test_mtl"), mtl); @@ -47,7 +44,7 @@ TEST(AssetBankTest, AssetsCanBeRenamed) { } TEST(AssetBankTest, GetNameReturnsCorrectName) { - AssetBank ab(std::make_shared()); + AssetBank ab; auto mtl = std::make_shared(); ab.addAsset("a_ice_test_mtl", mtl); ASSERT_EQ(AssetPath("Materials/a_ice_test_mtl"), ab.getName(ab.getUID(AssetPath("Materials/a_ice_test_mtl")))); @@ -55,7 +52,7 @@ TEST(AssetBankTest, GetNameReturnsCorrectName) { } TEST(AssetBankTest, NameInUseBehavesCorrectly) { - AssetBank ab(std::make_shared()); + AssetBank ab; auto mtl = std::make_shared(); ab.addAsset("a_ice_test_mtl", mtl); ASSERT_TRUE(ab.nameInUse(AssetPath::WithTypePrefix("a_ice_test_mtl"))); diff --git a/ICE/GraphicsAPI/CMakeLists.txt b/ICE/GraphicsAPI/CMakeLists.txt index 6ad92fb7..74fdf4fb 100644 --- a/ICE/GraphicsAPI/CMakeLists.txt +++ b/ICE/GraphicsAPI/CMakeLists.txt @@ -3,7 +3,6 @@ project(graphics_api) message(STATUS "Building ${PROJECT_NAME} module") -add_subdirectory(None) add_subdirectory(OpenGL) add_library(${PROJECT_NAME} INTERFACE) @@ -12,7 +11,6 @@ target_link_libraries(${PROJECT_NAME} INTERFACE graphics graphics_api_OpenGL - graphics_api_None ) target_include_directories(${PROJECT_NAME} INTERFACE diff --git a/ICE/GraphicsAPI/None/CMakeLists.txt b/ICE/GraphicsAPI/None/CMakeLists.txt deleted file mode 100644 index a8c3579f..00000000 --- a/ICE/GraphicsAPI/None/CMakeLists.txt +++ /dev/null @@ -1,15 +0,0 @@ -cmake_minimum_required(VERSION 3.19) -project(graphics_api_None) - -message(STATUS "Building ${PROJECT_NAME} module") - -add_library(${PROJECT_NAME} INTERFACE) - -#target_link_libraries(${PROJECT_NAME}) - -target_include_directories(${PROJECT_NAME} INTERFACE - $ - $) - -enable_testing() -#add_subdirectory(test) diff --git a/ICE/GraphicsAPI/None/NoneGraphics.h b/ICE/GraphicsAPI/None/NoneGraphics.h deleted file mode 100644 index 15b74f94..00000000 --- a/ICE/GraphicsAPI/None/NoneGraphics.h +++ /dev/null @@ -1,125 +0,0 @@ -// -// Created by Thomas Ibanez on 24.02.21. -// - -#ifndef ICE_NONEGRAPHICS_H -#define ICE_NONEGRAPHICS_H - -#include - -#include - -namespace ICE { - -class NoneVertexBuffer : public VertexBuffer { - public: - void bind() const override {} - void unbind() const override {} - void putData(const void *data, uint32_t size) override {} - uint32_t getSize() const override { return 0; } -}; - -class NoneIndexBuffer : public IndexBuffer { - public: - void bind() const override {} - void unbind() const override {} - uint32_t getSize() const override { return 0; } - void putData(const void *data, uint32_t size) override {} -}; - -class NoneUniformBuffer : public UniformBuffer { - public: - void bind() const override {} - void unbind() const override {} - uint32_t getSize() const override { return 0; } - void putData(const void *data, uint32_t size, uint32_t offset) override {} -}; - -class NoneContext : public Context { - public: - void swapBuffers() override {} - void wireframeMode() override {} - void fillMode() override {} - void initialize() override {} -}; - -class NoneFramebuffer : public Framebuffer { - public: - NoneFramebuffer() : Framebuffer({0,0,0}) {} - void bind() override {} - void unbind() override {} - void resize(int width, int height) override {} - int getTexture() override { return 0; } - void bindAttachment(int slot) const override{}; - Eigen::Vector4i readPixel(int x, int y) override { return Eigen::Vector4i(); } -}; - -class NoneRendererAPI : public RendererAPI { - public: - void initialize() const override {} - void setViewport(int x, int y, int width, int height) const override {} - void setClearColor(float r, float g, float b, float a) const override {} - void clear() const override {} - void renderVertexArray(const std::shared_ptr &va) const override {} - void flush() const override {} - void finish() const override {} - void bindDefaultFramebuffer() const override {} - void setDepthTest(bool enable) const override {} - void setDepthMask(bool enable) const override {} - void setBackfaceCulling(bool enable) const override {} - void checkAndLogErrors() const override {} -}; - -class NoneShader : public Shader { - public: - void bind() const override {} - void unbind() const override {} - void loadInt(const std::string &name, int v) override {} - void loadInts(const std::string &name, int *array, uint32_t size) override {} - void loadFloat(const std::string &name, float v) override {} - void loadFloat2(const std::string &name, Eigen::Vector2f vec) override {} - void loadFloat3(const std::string &name, Eigen::Vector3f vec) override {} - void loadFloat4(const std::string &name, Eigen::Vector4f vec) override {} - void loadMat4(const std::string &name, Eigen::Matrix4f mat) override {} - virtual AssetType getType() const override { return AssetType::EShader; } - virtual std::string getTypeName() const override { return "Shader"; } -}; - -class NoneTexture2D : public Texture2D { - public: - void bind(uint32_t slot) const override {} - TextureFormat getFormat() const override { return {}; } - uint32_t getWidth() const override { return 0; } - uint32_t getHeight() const override { return 0; } - TextureWrap getWrap() const override { return {}; } - void setData(void *data, uint32_t size) override {} - void *getTexture() const override { return nullptr; } - TextureType getTextureType() const override { return TextureType::Tex2D; } -}; - -class NoneTextureCube : public TextureCube { - public: - void bind(uint32_t slot) const override {} - TextureFormat getFormat() const override { return {}; } - uint32_t getWidth() const override { return 0; } - uint32_t getHeight() const override { return 0; } - TextureWrap getWrap() const override { return {}; } - void setData(void *data, uint32_t size) override {} - void *getTexture() const override { return nullptr; } - TextureType getTextureType() const override { return TextureType::CubeMap; } -}; - -class NoneVertexArray : public VertexArray { - public: - void bind() const override {} - void unbind() const override {} - void pushVertexBuffer(const std::shared_ptr &buffer, int size) override {} - void pushVertexBuffer(const std::shared_ptr &buffer, int position, int size) override {} - void setIndexBuffer(const std::shared_ptr &buffer) override {} - int getIndexCount() const override { return 0; } - uint32_t getID() const override { return 0; } - std::shared_ptr getIndexBuffer() const override { return nullptr; } -}; -} // namespace ICE - -#endif //ICE_NONEGRAPHICS_H diff --git a/ICE/GraphicsAPI/None/NoneGraphicsFactory.h b/ICE/GraphicsAPI/None/NoneGraphicsFactory.h deleted file mode 100644 index 5dd4eb69..00000000 --- a/ICE/GraphicsAPI/None/NoneGraphicsFactory.h +++ /dev/null @@ -1,47 +0,0 @@ -#pragma once - -#include - -#include "Context.h" -#include "Framebuffer.h" -#include "GraphicsAPI.h" -#include "GraphicsFactory.h" -#include "NoneGraphics.h" -#include "Shader.h" -#include "Texture.h" -#include "VertexArray.h" - -namespace ICE { -class NoneGraphicsFactory : public GraphicsFactory { - public: - std::shared_ptr createContext(const std::shared_ptr& window) const override { return std::make_shared(); } - - std::shared_ptr createFramebuffer(const FrameBufferFormat& format) const override { return std::make_shared(); } - - std::shared_ptr createRendererAPI() const override { return std::make_shared(); } - - std::shared_ptr createVertexArray() const override { return std::make_shared(); } - - std::shared_ptr createVertexBuffer() const override { return std::make_shared(); } - - std::shared_ptr createIndexBuffer() const override { return std::make_shared(); } - - std::shared_ptr createUniformBuffer(size_t size, size_t binding) const override { return std::make_shared(); } - - std::shared_ptr createShader(const std::string& vertexFile, const std::string& fragmentFile) const override { - return createShader(vertexFile, "", fragmentFile); - } - - std::shared_ptr createShader(const std::string& vertexFile, const std::string& geometryFile, - const std::string& fragmentFile) const override { - return std::make_shared(); - } - - std::shared_ptr createTexture2D(const std::string& file) const override { return std::make_shared(); } - std::shared_ptr createTexture2D(const void* data, size_t w, size_t h, TextureFormat fmt) const override { - return std::make_shared(); - } - - std::shared_ptr createTextureCube(const std::string& file) const override { return std::make_shared(); } -}; -} // namespace ICE \ No newline at end of file diff --git a/ICE/IO/test/ModelLoaderTest.cpp b/ICE/IO/test/ModelLoaderTest.cpp index 6316aa42..34df65b1 100644 --- a/ICE/IO/test/ModelLoaderTest.cpp +++ b/ICE/IO/test/ModelLoaderTest.cpp @@ -1,7 +1,6 @@ #define STB_IMAGE_IMPLEMENTATION #include -#include #include #include "ModelLoader.h" @@ -9,9 +8,8 @@ using namespace ICE; TEST(ModelLoaderTest, LoadFromObj) { - auto gr_f = std::make_shared(); - AssetBank bank(gr_f); - auto mesh = ModelLoader(gr_f, bank).load({"cube.obj"}); + AssetBank bank; + auto mesh = ModelLoader(bank).load({"cube.obj"}); EXPECT_EQ(mesh->getMeshes().at(0)->getVertices().size(), 36); EXPECT_EQ(mesh->getMeshes().at(0)->getIndices().size(), 12); } \ No newline at end of file From 792f10f73b8a072792204573165373135702f42d Mon Sep 17 00:00:00 2001 From: ProtectedVariable Date: Thu, 15 Jan 2026 12:39:43 +0100 Subject: [PATCH 04/14] new shader files --- .../{base_mat.icm => base_mat.material.json} | 0 Assets/Shaders/{ => glsl}/frag_uniforms.glsl | 0 Assets/Shaders/{ => glsl}/lastpass.fs | 0 Assets/Shaders/{ => glsl}/lastpass.vs | 0 Assets/Shaders/{ => glsl}/normal.fs | 0 Assets/Shaders/{ => glsl}/pbr.fs | 0 Assets/Shaders/{ => glsl}/phong.fs | 0 Assets/Shaders/{ => glsl}/picking.fs | 0 Assets/Shaders/{ => glsl}/skinning.vs | 0 Assets/Shaders/{ => glsl}/skybox.fs | 0 Assets/Shaders/{ => glsl}/skybox.vs | 0 Assets/Shaders/{ => glsl}/solid.fs | 0 Assets/Shaders/{ => glsl}/vert_uniforms.glsl | 0 Assets/Shaders/lastpass.shader.json | 10 ++ Assets/Shaders/normal.shader.json | 10 ++ Assets/Shaders/pbr.shader.json | 10 ++ Assets/Shaders/phong.shader.json | 10 ++ Assets/Shaders/picking.shader.json | 10 ++ Assets/Shaders/skybox.shader.json | 10 ++ Assets/Shaders/solid.shader.json | 10 ++ ICE/IO/CMakeLists.txt | 2 +- ICE/IO/include/ShaderExporter.h | 32 +++++++ ICE/IO/src/MaterialExporter.cpp | 93 +++++++++---------- ICE/IO/src/Project.cpp | 25 +++-- ICE/IO/src/ShaderExporter.cpp | 28 ++++++ ICE/IO/src/ShaderLoader.cpp | 2 +- 26 files changed, 195 insertions(+), 57 deletions(-) rename Assets/Materials/{base_mat.icm => base_mat.material.json} (100%) rename Assets/Shaders/{ => glsl}/frag_uniforms.glsl (100%) rename Assets/Shaders/{ => glsl}/lastpass.fs (100%) rename Assets/Shaders/{ => glsl}/lastpass.vs (100%) rename Assets/Shaders/{ => glsl}/normal.fs (100%) rename Assets/Shaders/{ => glsl}/pbr.fs (100%) rename Assets/Shaders/{ => glsl}/phong.fs (100%) rename Assets/Shaders/{ => glsl}/picking.fs (100%) rename Assets/Shaders/{ => glsl}/skinning.vs (100%) rename Assets/Shaders/{ => glsl}/skybox.fs (100%) rename Assets/Shaders/{ => glsl}/skybox.vs (100%) rename Assets/Shaders/{ => glsl}/solid.fs (100%) rename Assets/Shaders/{ => glsl}/vert_uniforms.glsl (100%) create mode 100644 Assets/Shaders/lastpass.shader.json create mode 100644 Assets/Shaders/normal.shader.json create mode 100644 Assets/Shaders/pbr.shader.json create mode 100644 Assets/Shaders/phong.shader.json create mode 100644 Assets/Shaders/picking.shader.json create mode 100644 Assets/Shaders/skybox.shader.json create mode 100644 Assets/Shaders/solid.shader.json create mode 100644 ICE/IO/include/ShaderExporter.h create mode 100644 ICE/IO/src/ShaderExporter.cpp diff --git a/Assets/Materials/base_mat.icm b/Assets/Materials/base_mat.material.json similarity index 100% rename from Assets/Materials/base_mat.icm rename to Assets/Materials/base_mat.material.json diff --git a/Assets/Shaders/frag_uniforms.glsl b/Assets/Shaders/glsl/frag_uniforms.glsl similarity index 100% rename from Assets/Shaders/frag_uniforms.glsl rename to Assets/Shaders/glsl/frag_uniforms.glsl diff --git a/Assets/Shaders/lastpass.fs b/Assets/Shaders/glsl/lastpass.fs similarity index 100% rename from Assets/Shaders/lastpass.fs rename to Assets/Shaders/glsl/lastpass.fs diff --git a/Assets/Shaders/lastpass.vs b/Assets/Shaders/glsl/lastpass.vs similarity index 100% rename from Assets/Shaders/lastpass.vs rename to Assets/Shaders/glsl/lastpass.vs diff --git a/Assets/Shaders/normal.fs b/Assets/Shaders/glsl/normal.fs similarity index 100% rename from Assets/Shaders/normal.fs rename to Assets/Shaders/glsl/normal.fs diff --git a/Assets/Shaders/pbr.fs b/Assets/Shaders/glsl/pbr.fs similarity index 100% rename from Assets/Shaders/pbr.fs rename to Assets/Shaders/glsl/pbr.fs diff --git a/Assets/Shaders/phong.fs b/Assets/Shaders/glsl/phong.fs similarity index 100% rename from Assets/Shaders/phong.fs rename to Assets/Shaders/glsl/phong.fs diff --git a/Assets/Shaders/picking.fs b/Assets/Shaders/glsl/picking.fs similarity index 100% rename from Assets/Shaders/picking.fs rename to Assets/Shaders/glsl/picking.fs diff --git a/Assets/Shaders/skinning.vs b/Assets/Shaders/glsl/skinning.vs similarity index 100% rename from Assets/Shaders/skinning.vs rename to Assets/Shaders/glsl/skinning.vs diff --git a/Assets/Shaders/skybox.fs b/Assets/Shaders/glsl/skybox.fs similarity index 100% rename from Assets/Shaders/skybox.fs rename to Assets/Shaders/glsl/skybox.fs diff --git a/Assets/Shaders/skybox.vs b/Assets/Shaders/glsl/skybox.vs similarity index 100% rename from Assets/Shaders/skybox.vs rename to Assets/Shaders/glsl/skybox.vs diff --git a/Assets/Shaders/solid.fs b/Assets/Shaders/glsl/solid.fs similarity index 100% rename from Assets/Shaders/solid.fs rename to Assets/Shaders/glsl/solid.fs diff --git a/Assets/Shaders/vert_uniforms.glsl b/Assets/Shaders/glsl/vert_uniforms.glsl similarity index 100% rename from Assets/Shaders/vert_uniforms.glsl rename to Assets/Shaders/glsl/vert_uniforms.glsl diff --git a/Assets/Shaders/lastpass.shader.json b/Assets/Shaders/lastpass.shader.json new file mode 100644 index 00000000..fa584148 --- /dev/null +++ b/Assets/Shaders/lastpass.shader.json @@ -0,0 +1,10 @@ +[ + { + "stage": "vertex", + "source": "glsl/lastpass.vs" + }, + { + "stage": "fragment", + "source": "glsl/lastpass.fs" + } +] \ No newline at end of file diff --git a/Assets/Shaders/normal.shader.json b/Assets/Shaders/normal.shader.json new file mode 100644 index 00000000..d3cc80d5 --- /dev/null +++ b/Assets/Shaders/normal.shader.json @@ -0,0 +1,10 @@ +[ + { + "stage": "vertex", + "source": "glsl/skinning.vs" + }, + { + "stage": "fragment", + "source": "glsl/normal.fs" + } +] \ No newline at end of file diff --git a/Assets/Shaders/pbr.shader.json b/Assets/Shaders/pbr.shader.json new file mode 100644 index 00000000..259a1796 --- /dev/null +++ b/Assets/Shaders/pbr.shader.json @@ -0,0 +1,10 @@ +[ + { + "stage": "vertex", + "source": "glsl/skinning.vs" + }, + { + "stage": "fragment", + "source": "glsl/pbr.fs" + } +] \ No newline at end of file diff --git a/Assets/Shaders/phong.shader.json b/Assets/Shaders/phong.shader.json new file mode 100644 index 00000000..158f01e4 --- /dev/null +++ b/Assets/Shaders/phong.shader.json @@ -0,0 +1,10 @@ +[ + { + "stage": "vertex", + "source": "glsl/skinning.vs" + }, + { + "stage": "fragment", + "source": "glsl/phong.fs" + } +] \ No newline at end of file diff --git a/Assets/Shaders/picking.shader.json b/Assets/Shaders/picking.shader.json new file mode 100644 index 00000000..606a78aa --- /dev/null +++ b/Assets/Shaders/picking.shader.json @@ -0,0 +1,10 @@ +[ + { + "stage": "vertex", + "source": "glsl/skinning.vs" + }, + { + "stage": "fragment", + "source": "glsl/picking.fs" + } +] \ No newline at end of file diff --git a/Assets/Shaders/skybox.shader.json b/Assets/Shaders/skybox.shader.json new file mode 100644 index 00000000..a5634f61 --- /dev/null +++ b/Assets/Shaders/skybox.shader.json @@ -0,0 +1,10 @@ +[ + { + "stage": "vertex", + "source": "glsl/skybox.vs" + }, + { + "stage": "fragment", + "source": "glsl/skybox.fs" + } +] \ No newline at end of file diff --git a/Assets/Shaders/solid.shader.json b/Assets/Shaders/solid.shader.json new file mode 100644 index 00000000..33324d75 --- /dev/null +++ b/Assets/Shaders/solid.shader.json @@ -0,0 +1,10 @@ +[ + { + "stage": "vertex", + "source": "glsl/skinning.vs" + }, + { + "stage": "fragment", + "source": "glsl/solid.fs" + } +] \ No newline at end of file diff --git a/ICE/IO/CMakeLists.txt b/ICE/IO/CMakeLists.txt index 4a890398..31dd64f0 100644 --- a/ICE/IO/CMakeLists.txt +++ b/ICE/IO/CMakeLists.txt @@ -13,7 +13,7 @@ target_sources(${PROJECT_NAME} PRIVATE src/ModelLoader.cpp src/ShaderLoader.cpp src/MaterialLoader.cpp -) + src/ShaderExporter.cpp) target_link_libraries(${PROJECT_NAME} PUBLIC diff --git a/ICE/IO/include/ShaderExporter.h b/ICE/IO/include/ShaderExporter.h new file mode 100644 index 00000000..05fe1ecf --- /dev/null +++ b/ICE/IO/include/ShaderExporter.h @@ -0,0 +1,32 @@ +#pragma once + +#include + +#include "AssetExporter.h" + +namespace ICE { +class ShaderExporter : public AssetExporter { + public: + void writeToJson(const std::filesystem::path &path, const Shader &object) override; + void writeToBin(const std::filesystem::path &path, const Shader &object) override; + + constexpr std::string stageToString(ShaderStage stage) { + switch (stage) { + case ShaderStage::Vertex: + return "vertex"; + case ShaderStage::Fragment: + return "fragment"; + case ShaderStage::Geometry: + return "geometry"; + case ShaderStage::TessControl: + return "tess_control"; + case ShaderStage::TessEval: + return "tess_eval"; + case ShaderStage::Compute: + return "compute"; + default: + return "unknown"; + } + } +}; +} // namespace ICE diff --git a/ICE/IO/src/MaterialExporter.cpp b/ICE/IO/src/MaterialExporter.cpp index 92f4e690..0e9a6674 100644 --- a/ICE/IO/src/MaterialExporter.cpp +++ b/ICE/IO/src/MaterialExporter.cpp @@ -1,62 +1,61 @@ #include "MaterialExporter.h" -#include #include -#include +#include #include +#include using json = nlohmann::json; namespace ICE { void MaterialExporter::writeToJson(const std::filesystem::path &path, const Material &material) { - std::ofstream outstream; - outstream.open(path); - json j; - j["shader_id"] = material.getShader(); + std::ofstream outstream; + outstream.open(path); + json j; + j["shader_id"] = material.getShader(); j["transparent"] = material.isTransparent(); - std::vector uniforms; - for(const auto &[name, value] : material.getAllUniforms()) { - json uniform; - uniform["name"] = name; - if (std::holds_alternative(value)) { - auto v = std::get(value); - uniform["type"] = "float"; - uniform["value"] = v; - } else if (std::holds_alternative(value)) { - auto v = std::get(value); - uniform["type"] = "int"; - uniform["value"] = v; - } else if (std::holds_alternative(value)) { - auto v = std::get(value); - uniform["type"] = "assetUID"; - uniform["value"] = v; - } else if (std::holds_alternative(value)) { - auto v = std::get(value); - uniform["type"] = "vec3"; - uniform["value"] = {v.x(), v.y(), v.z()}; - } else if (std::holds_alternative(value)) { - auto v = std::get(value); - uniform["type"] = "vec4"; - uniform["value"] = {v.x(), v.y(), v.z(), v.w()}; - } else if (std::holds_alternative(value)) { - auto v = std::get(value); - uniform["type"] = "mat4"; - uniform["value"] = std::vector(v.data(), v.data() + 16); - } else { - throw std::runtime_error("Uniform type not implemented"); - } - uniforms.push_back(std::move(uniform)); - } - - j["uniforms"] = uniforms; - outstream << j.dump(4); - outstream.close(); - + std::vector uniforms; + for (const auto &[name, value] : material.getAllUniforms()) { + json uniform; + uniform["name"] = name; + if (std::holds_alternative(value)) { + auto v = std::get(value); + uniform["type"] = "float"; + uniform["value"] = v; + } else if (std::holds_alternative(value)) { + auto v = std::get(value); + uniform["type"] = "int"; + uniform["value"] = v; + } else if (std::holds_alternative(value)) { + auto v = std::get(value); + uniform["type"] = "assetUID"; + uniform["value"] = v; + } else if (std::holds_alternative(value)) { + auto v = std::get(value); + uniform["type"] = "vec3"; + uniform["value"] = {v.x(), v.y(), v.z()}; + } else if (std::holds_alternative(value)) { + auto v = std::get(value); + uniform["type"] = "vec4"; + uniform["value"] = {v.x(), v.y(), v.z(), v.w()}; + } else if (std::holds_alternative(value)) { + auto v = std::get(value); + uniform["type"] = "mat4"; + uniform["value"] = std::vector(v.data(), v.data() + 16); + } else { + throw std::runtime_error("Uniform type not implemented"); + } + uniforms.push_back(std::move(uniform)); + } + + j["uniforms"] = uniforms; + outstream << j.dump(4); + outstream.close(); } -void MaterialExporter::writeToBin(const std::filesystem::path &path, const Material &object){ - throw std::runtime_error("Not implemented"); +void MaterialExporter::writeToBin(const std::filesystem::path &path, const Material &object) { + throw std::runtime_error("Not implemented"); } -} \ No newline at end of file +} // namespace ICE \ No newline at end of file diff --git a/ICE/IO/src/Project.cpp b/ICE/IO/src/Project.cpp index 6e773516..41559191 100644 --- a/ICE/IO/src/Project.cpp +++ b/ICE/IO/src/Project.cpp @@ -16,6 +16,7 @@ #include #include "MaterialExporter.h" +#include "ShaderExporter.h" namespace ICE { Project::Project(const fs::path &base_directory, const std::string &m_name) @@ -41,14 +42,14 @@ bool Project::CreateDirectories() { } catch (std::filesystem::filesystem_error &e) { Logger::Log(Logger::FATAL, "IO", "Could not copy default assets: %s", e.what()); } - m_asset_bank->addAsset("solid", {m_shaders_directory / "skinning.vs", m_shaders_directory / "solid.fs"}); - m_asset_bank->addAsset("phong", {m_shaders_directory / "skinning.vs", m_shaders_directory / "phong.fs"}); - m_asset_bank->addAsset("normal", {m_shaders_directory / "skinning.vs", m_shaders_directory / "normal.fs"}); - m_asset_bank->addAsset("pbr", {m_shaders_directory / "skinning.vs", m_shaders_directory / "pbr.fs"}); - m_asset_bank->addAsset("lastpass", {m_shaders_directory / "lastpass.vs", m_shaders_directory / "lastpass.fs"}); - m_asset_bank->addAsset("__ice__picking_shader", {m_shaders_directory / "skinning.vs", m_shaders_directory / "picking.fs"}); + m_asset_bank->addAsset("solid", {m_shaders_directory / "solid.shader.json"}); + m_asset_bank->addAsset("phong", {m_shaders_directory / "phong.shader.json"}); + m_asset_bank->addAsset("normal", {m_shaders_directory / "normal.shader.json"}); + m_asset_bank->addAsset("pbr", {m_shaders_directory / "pbr.shader.json"}); + m_asset_bank->addAsset("lastpass", {m_shaders_directory / "lastpass.shader.json"}); + m_asset_bank->addAsset("__ice__picking_shader", {m_shaders_directory / "picking.shader.json"}); - m_asset_bank->addAsset("base_mat", {m_materials_directory / "base_mat.icm"}); + m_asset_bank->addAsset("base_mat", {m_materials_directory / "base_mat.material.json"}); m_asset_bank->addAsset("cube", {m_meshes_directory / "cube.obj"}); m_asset_bank->addAsset("sphere", {m_meshes_directory / "sphere.obj"}); @@ -93,7 +94,7 @@ void Project::writeToFile(const std::shared_ptr &editorCamera) { for (const auto &[asset_id, material] : m_asset_bank->getAll()) { auto mtlName = m_asset_bank->getName(asset_id).getName(); - fs::path path = m_materials_directory.parent_path() / (m_asset_bank->getName(asset_id).prefix() + mtlName + ".icm"); + fs::path path = m_materials_directory.parent_path() / (m_asset_bank->getName(asset_id).prefix() + mtlName + ".material.json"); fs::create_directories(path.parent_path()); MaterialExporter().writeToJson(path, *material); @@ -105,6 +106,14 @@ void Project::writeToFile(const std::shared_ptr &editorCamera) { vec.clear(); for (const auto &[asset_id, shader] : m_asset_bank->getAll()) { + auto mtlName = m_asset_bank->getName(asset_id).getName(); + + fs::path path = m_shaders_directory.parent_path() / (m_asset_bank->getName(asset_id).prefix() + mtlName + ".shader.json"); + fs::create_directories(path.parent_path()); + ShaderExporter().writeToJson(path, *shader); + + shader->setSources({path}); + vec.push_back(dumpAsset(asset_id, shader)); } j["shaders"] = vec; diff --git a/ICE/IO/src/ShaderExporter.cpp b/ICE/IO/src/ShaderExporter.cpp new file mode 100644 index 00000000..e8d4246d --- /dev/null +++ b/ICE/IO/src/ShaderExporter.cpp @@ -0,0 +1,28 @@ +#include "ShaderExporter.h" + +#include +#include +#include +#include + +using json = nlohmann::json; + +namespace ICE { + +void ShaderExporter::writeToJson(const std::filesystem::path &path, const Shader &shader) { + std::ofstream outstream; + outstream.open(path); + json j = json::array(); + for (const auto& [stage, source] : shader.getSources()) { + j.push_back({ + {"stage", stageToString(stage)}, + {"file", source}}); + } + outstream << j.dump(4); + outstream.close(); +} + +void ShaderExporter::writeToBin(const std::filesystem::path &path, const Shader &object) { + throw std::runtime_error("Not implemented"); +} +} // namespace ICE \ No newline at end of file diff --git a/ICE/IO/src/ShaderLoader.cpp b/ICE/IO/src/ShaderLoader.cpp index 13348630..6f0a9780 100644 --- a/ICE/IO/src/ShaderLoader.cpp +++ b/ICE/IO/src/ShaderLoader.cpp @@ -22,7 +22,7 @@ std::shared_ptr ShaderLoader::load(const std::vector(); + auto file = stage_source["source"].get(); shader_sources[stage] = readAndResolveIncludes(files[0].parent_path() / file); } From d5b828584b2436f27b9b31dd21ab7e96a40fd9bd Mon Sep 17 00:00:00 2001 From: ProtectedVariable Date: Thu, 15 Jan 2026 15:56:11 +0100 Subject: [PATCH 05/14] rendering working again --- Assets/{Models => Meshes}/cube.obj | 0 Assets/{Models => Meshes}/sphere.obj | 0 ICE/Assets/include/AssetLoader.h | 4 +- ICE/Assets/include/GPURegistry.h | 1 + ICE/Assets/src/AssetBank.cpp | 2 + ICE/Components/include/RenderComponent.h | 5 +- ICE/IO/CMakeLists.txt | 4 +- ICE/IO/include/MeshLoader.h | 25 ++++++++ ICE/IO/include/Project.h | 1 + ICE/IO/src/MeshLoader.cpp | 62 ++++++++++++++++++++ ICE/IO/src/Project.cpp | 24 +++++--- ICE/IO/src/ShaderLoader.cpp | 5 +- ICE/Math/src/AABB.cpp | 2 +- ICE/System/src/AnimationSystem.cpp | 5 +- ICE/System/src/RenderSystem.cpp | 74 +++++++----------------- ICEBERG/UI/AddComponentPopup.h | 2 +- ICEBERG/UI/InspectorWidget.h | 5 +- ICEBERG/UI/RenderComponentWidget.h | 12 +++- ICEBERG/src/Hierarchy.cpp | 5 +- ICEBERG/src/Inspector.cpp | 20 +++++-- 20 files changed, 176 insertions(+), 82 deletions(-) rename Assets/{Models => Meshes}/cube.obj (100%) rename Assets/{Models => Meshes}/sphere.obj (100%) create mode 100644 ICE/IO/include/MeshLoader.h create mode 100644 ICE/IO/src/MeshLoader.cpp diff --git a/Assets/Models/cube.obj b/Assets/Meshes/cube.obj similarity index 100% rename from Assets/Models/cube.obj rename to Assets/Meshes/cube.obj diff --git a/Assets/Models/sphere.obj b/Assets/Meshes/sphere.obj similarity index 100% rename from Assets/Models/sphere.obj rename to Assets/Meshes/sphere.obj diff --git a/ICE/Assets/include/AssetLoader.h b/ICE/Assets/include/AssetLoader.h index 75d25cc2..d3a6d6d0 100644 --- a/ICE/Assets/include/AssetLoader.h +++ b/ICE/Assets/include/AssetLoader.h @@ -35,8 +35,8 @@ class AssetLoader { private: std::unordered_map< std::type_index, - std::variant>, std::shared_ptr>, std::shared_ptr>, - std::shared_ptr>, std::shared_ptr>>> + std::variant>, std::shared_ptr>, std::shared_ptr>, + std::shared_ptr>, std::shared_ptr>, std::shared_ptr>>> loaders; }; } // namespace ICE diff --git a/ICE/Assets/include/GPURegistry.h b/ICE/Assets/include/GPURegistry.h index 6c9f54b7..9dd76794 100644 --- a/ICE/Assets/include/GPURegistry.h +++ b/ICE/Assets/include/GPURegistry.h @@ -22,6 +22,7 @@ class GPURegistry { std::shared_ptr getMaterial(AssetUID id) { return m_asset_bank->getAsset(id); } std::shared_ptr getShader(AssetUID id); std::shared_ptr getShader(const AssetPath &path) { return getShader(getUID(path)); } + AABB getMeshAABB(AssetUID id) { return m_asset_bank->getAsset(id)->getBoundingBox(); } std::shared_ptr getMesh(AssetUID id); std::shared_ptr getMesh(const AssetPath &path) { return getMesh(getUID(path)); } std::shared_ptr getTexture2D(AssetUID id); diff --git a/ICE/Assets/src/AssetBank.cpp b/ICE/Assets/src/AssetBank.cpp index 57174b03..3665be7e 100644 --- a/ICE/Assets/src/AssetBank.cpp +++ b/ICE/Assets/src/AssetBank.cpp @@ -8,6 +8,7 @@ #include #include "MaterialLoader.h" +#include "MeshLoader.h" #include "ModelLoader.h" #include "ShaderLoader.h" #include "TextureLoader.h" @@ -20,6 +21,7 @@ AssetBank::AssetBank() { loader.AddLoader(std::make_shared(*this)); loader.AddLoader(std::make_shared()); loader.AddLoader(std::make_shared()); + loader.AddLoader(std::make_shared()); } bool AssetBank::nameInUse(const AssetPath &name) { diff --git a/ICE/Components/include/RenderComponent.h b/ICE/Components/include/RenderComponent.h index f44bb4b9..e5e44d36 100644 --- a/ICE/Components/include/RenderComponent.h +++ b/ICE/Components/include/RenderComponent.h @@ -11,8 +11,9 @@ namespace ICE { struct RenderComponent : public Component { - RenderComponent(AssetUID model_id) : model(model_id) {} - AssetUID model; + RenderComponent(AssetUID mesh_id, AssetUID material_id) : mesh(mesh_id), material(material_id) {} + AssetUID mesh; + AssetUID material; }; } // namespace ICE diff --git a/ICE/IO/CMakeLists.txt b/ICE/IO/CMakeLists.txt index 31dd64f0..aef7310b 100644 --- a/ICE/IO/CMakeLists.txt +++ b/ICE/IO/CMakeLists.txt @@ -13,7 +13,9 @@ target_sources(${PROJECT_NAME} PRIVATE src/ModelLoader.cpp src/ShaderLoader.cpp src/MaterialLoader.cpp - src/ShaderExporter.cpp) + src/ShaderExporter.cpp + src/MeshLoader.cpp +) target_link_libraries(${PROJECT_NAME} PUBLIC diff --git a/ICE/IO/include/MeshLoader.h b/ICE/IO/include/MeshLoader.h new file mode 100644 index 00000000..aa2a1b03 --- /dev/null +++ b/ICE/IO/include/MeshLoader.h @@ -0,0 +1,25 @@ +// +// Created by Thomas Ibanez on 31.07.21. +// + +#pragma once + +#include +#include + +#include + +#include "Asset.h" +#include "IAssetLoader.h" +#include "Mesh.h" + +namespace ICE { +class AssetBank; + +class MeshLoader : public IAssetLoader { + public: + MeshLoader() {} + + std::shared_ptr load(const std::vector &file) override; +}; +} // namespace ICE diff --git a/ICE/IO/include/Project.h b/ICE/IO/include/Project.h index 062b1dce..2a4bbb90 100644 --- a/ICE/IO/include/Project.h +++ b/ICE/IO/include/Project.h @@ -84,6 +84,7 @@ class Project { fs::path m_base_directory; fs::path m_scenes_directory; + fs::path m_models_directory; fs::path m_meshes_directory; fs::path m_materials_directory; fs::path m_shaders_directory; diff --git a/ICE/IO/src/MeshLoader.cpp b/ICE/IO/src/MeshLoader.cpp new file mode 100644 index 00000000..d8084ee8 --- /dev/null +++ b/ICE/IO/src/MeshLoader.cpp @@ -0,0 +1,62 @@ +// +// Created by Thomas Ibanez on 31.07.21. +// + +#include "MeshLoader.h" + +#include +#include +#include +#include +#include + +#include + +namespace ICE { +std::shared_ptr MeshLoader::load(const std::vector &file) { + if (file.empty()) { + return nullptr; + } + + Assimp::Importer importer; + + const aiScene *scene = importer.ReadFile(file[0].string(), + aiProcess_FlipUVs | aiProcess_ValidateDataStructure | aiProcess_SortByPType | aiProcess_GenSmoothNormals + | aiProcess_CalcTangentSpace | aiProcess_Triangulate | aiProcess_PreTransformVertices); + + if (scene->mNumMeshes < 1) { + return nullptr; + } + MeshData data; + auto mesh = scene->mMeshes[0]; + for (int i = 0; i < mesh->mNumVertices; i++) { + auto v = mesh->mVertices[i]; + auto n = mesh->HasNormals() ? mesh->mNormals[i] : aiVector3D{0, 0, 0}; + auto t = mesh->HasTangentsAndBitangents() ? mesh->mTangents[i] : aiVector3D{0, 0, 0}; + auto b = mesh->HasTangentsAndBitangents() ? mesh->mBitangents[i] : aiVector3D{0, 0, 0}; + Eigen::Vector2f uv(0, 0); + if (mesh->mTextureCoords[0] != nullptr) { + auto uv_file = mesh->mTextureCoords[0][i]; + uv.x() = uv_file.x; + uv.y() = uv_file.y; + } + data.vertices.emplace_back(v.x, v.y, v.z); + data.normals.emplace_back(n.x, n.y, n.z); + data.uvCoords.push_back(uv); + data.tangents.emplace_back(t.x, t.y, t.z); + data.bitangents.emplace_back(b.x, b.y, b.z); + data.boneIDs.emplace_back(Eigen::Vector4i::Constant(-1)); + data.boneWeights.emplace_back(Eigen::Vector4f::Zero()); + } + for (int i = 0; i < mesh->mNumFaces; i++) { + auto f = mesh->mFaces[i]; + assert(f.mNumIndices == 3); + data.indices.emplace_back(f.mIndices[0], f.mIndices[1], f.mIndices[2]); + } + + auto mesh_ = std::make_shared(data); + mesh_->setSources(file); + return mesh_; +} + +} // namespace ICE diff --git a/ICE/IO/src/Project.cpp b/ICE/IO/src/Project.cpp index 41559191..4bc6bc97 100644 --- a/ICE/IO/src/Project.cpp +++ b/ICE/IO/src/Project.cpp @@ -31,7 +31,8 @@ Project::Project(const fs::path &base_directory, const std::string &m_name) m_shaders_directory = m_base_directory / assets_folder / "Shaders"; m_textures_directory = m_base_directory / assets_folder / "Textures"; m_cubemaps_directory = m_base_directory / assets_folder / "Cubemaps"; - m_meshes_directory = m_base_directory / assets_folder / "Models"; + m_models_directory = m_base_directory / assets_folder / "Models"; + m_meshes_directory = m_base_directory / assets_folder / "Meshes"; m_scenes_directory = m_base_directory / "Scenes"; } @@ -51,8 +52,8 @@ bool Project::CreateDirectories() { m_asset_bank->addAsset("base_mat", {m_materials_directory / "base_mat.material.json"}); - m_asset_bank->addAsset("cube", {m_meshes_directory / "cube.obj"}); - m_asset_bank->addAsset("sphere", {m_meshes_directory / "sphere.obj"}); + m_asset_bank->addAsset("cube", {m_meshes_directory / "cube.obj"}); + m_asset_bank->addAsset("sphere", {m_meshes_directory / "sphere.obj"}); m_asset_bank->addAsset("Editor/folder", {m_textures_directory / "Editor" / "folder.png"}); m_asset_bank->addAsset("Editor/shader", {m_textures_directory / "Editor" / "shader.png"}); @@ -91,6 +92,12 @@ void Project::writeToFile(const std::shared_ptr &editorCamera) { j["models"] = vec; vec.clear(); + for (const auto &[asset_id, mesh] : m_asset_bank->getAll()) { + vec.push_back(dumpAsset(asset_id, mesh)); + } + j["meshes"] = vec; + vec.clear(); + for (const auto &[asset_id, material] : m_asset_bank->getAll()) { auto mtlName = m_asset_bank->getName(asset_id).getName(); @@ -148,7 +155,8 @@ void Project::writeToFile(const std::shared_ptr &editorCamera) { if (s->getRegistry()->entityHasComponent(e)) { RenderComponent rc = *s->getRegistry()->getComponent(e); json renderjson; - renderjson["model"] = rc.model; + renderjson["mesh"] = rc.mesh; + renderjson["material"] = rc.material; entity["renderComponent"] = renderjson; } if (s->getRegistry()->entityHasComponent(e)) { @@ -196,7 +204,8 @@ void Project::loadFromFile() { infile.close(); std::vector sceneNames = j["scenes"]; - json meshes = j["models"]; + json models = j["models"]; + json meshes = j["meshes"]; json material = j["materials"]; json shader = j["shaders"]; json texture = j["textures2D"]; @@ -209,7 +218,8 @@ void Project::loadFromFile() { loadAssetsOfType(texture); loadAssetsOfType(cubeMap); loadAssetsOfType(material); - loadAssetsOfType(meshes); + loadAssetsOfType(meshes); + loadAssetsOfType(models); for (const auto &s : sceneNames) { infile = std::ifstream(m_scenes_directory / (s + ".ics")); @@ -234,7 +244,7 @@ void Project::loadFromFile() { } if (!jentity["renderComponent"].is_null()) { json rj = jentity["renderComponent"]; - RenderComponent rc(rj["model"]); + RenderComponent rc(rj["mesh"], rj["material"]); scene.getRegistry()->addComponent(e, rc); } if (!jentity["lightComponent"].is_null()) { diff --git a/ICE/IO/src/ShaderLoader.cpp b/ICE/IO/src/ShaderLoader.cpp index 6f0a9780..ff444978 100644 --- a/ICE/IO/src/ShaderLoader.cpp +++ b/ICE/IO/src/ShaderLoader.cpp @@ -17,7 +17,10 @@ std::shared_ptr ShaderLoader::load(const std::vector> json; + infile.close(); ShaderSource shader_sources; for (const auto &stage_source : json) { diff --git a/ICE/Math/src/AABB.cpp b/ICE/Math/src/AABB.cpp index c2c93f3e..03547ed2 100644 --- a/ICE/Math/src/AABB.cpp +++ b/ICE/Math/src/AABB.cpp @@ -9,7 +9,7 @@ namespace ICE { AABB::AABB(const Eigen::Vector3f &min, const Eigen::Vector3f &max) : min(min), max(max) { } AABB::AABB(const std::vector &points) : AABB(points[0], points[0]) { - for (auto v : points) { + for (const auto &v : points) { min = min.cwiseMin(v); max = max.cwiseMax(v); } diff --git a/ICE/System/src/AnimationSystem.cpp b/ICE/System/src/AnimationSystem.cpp index bb435d0c..9fb2a7e9 100644 --- a/ICE/System/src/AnimationSystem.cpp +++ b/ICE/System/src/AnimationSystem.cpp @@ -14,8 +14,8 @@ void AnimationSystem::update(double dt) { continue; anim->currentTime += dt * anim->speed; - - auto model = m_asset_bank->getAsset(rc->model); + /* + auto model = m_asset_bank->getAsset(rc->mesh); auto animation = model->getAnimations().at(anim->currentAnimation); if (anim->currentTime > animation.duration) { @@ -27,6 +27,7 @@ void AnimationSystem::update(double dt) { } } updateSkeleton(model, anim->currentTime, animation); + */ } } diff --git a/ICE/System/src/RenderSystem.cpp b/ICE/System/src/RenderSystem.cpp index 326a1ad3..8ea36eab 100644 --- a/ICE/System/src/RenderSystem.cpp +++ b/ICE/System/src/RenderSystem.cpp @@ -32,9 +32,9 @@ void RenderSystem::update(double delta) { auto proj_mat = m_camera->getProjection(); if (m_skybox != NO_ASSET_ID) { - auto shader = m_asset_bank->getShader(m_asset_bank->getUID(AssetPath::WithTypePrefix("__ice_skybox_shader"))); + auto shader = m_asset_bank->getShader(AssetPath::WithTypePrefix("__ice_skybox_shader")); auto skybox = m_registry->getComponent(m_skybox); - auto mesh = m_asset_bank->getMesh(m_asset_bank->getUID(AssetPath::WithTypePrefix("cube"))); + auto mesh = m_asset_bank->getMesh(AssetPath::WithTypePrefix("cube")); auto tex = m_asset_bank->getCubemap(skybox->texture); m_renderer->submitSkybox(Skybox{ .cube_mesh = mesh, @@ -47,19 +47,31 @@ void RenderSystem::update(double delta) { for (const auto &e : m_render_queue) { auto rc = m_registry->getComponent(e); auto tc = m_registry->getComponent(e); - auto model = m_asset_bank->getMesh(rc->model); - if (!model) + auto mesh = m_asset_bank->getMesh(rc->mesh); + auto material = m_asset_bank->getMaterial(rc->material); + auto shader = m_asset_bank->getShader(material->getShader()); + if (!mesh || !material || !shader) continue; - /* - auto aabb = model->getBoundingBox(); + + auto aabb = m_asset_bank->getMeshAABB(rc->mesh); Eigen::Vector3f min = (tc->getModelMatrix() * Eigen::Vector4f(aabb.getMin().x(), aabb.getMin().y(), aabb.getMin().z(), 1.0)).head<3>(); Eigen::Vector3f max = (tc->getModelMatrix() * Eigen::Vector4f(aabb.getMax().x(), aabb.getMax().y(), aabb.getMax().z(), 1.0)).head<3>(); aabb = AABB(std::vector{min, max}); if (!isAABBInFrustum(frustum, aabb)) { continue; } - */ - //submitModel(model, tc->getModelMatrix()); + + std::unordered_map> texs; + for (const auto &[name, value] : material->getAllUniforms()) { + if (std::holds_alternative(value)) { + auto v = std::get(value); + if (auto tex = m_asset_bank->getTexture2D(v); tex) { + texs.try_emplace(v, tex); + } + } + } + m_renderer->submitDrawable( + Drawable{.mesh = mesh, .material = material, .shader = shader, .textures = texs, .model_matrix = tc->getModelMatrix()}); } for (int i = 0; i < m_lights.size(); i++) { @@ -88,7 +100,7 @@ void RenderSystem::update(double delta) { } m_api->clear(); - auto shader = m_asset_bank->getShader(m_asset_bank->getUID(AssetPath::WithTypePrefix("lastpass"))); + auto shader = m_asset_bank->getShader(AssetPath::WithTypePrefix("lastpass")); shader->bind(); rendered_fb->bindAttachment(0); @@ -98,50 +110,6 @@ void RenderSystem::update(double delta) { m_api->renderVertexArray(m_quad_vao); } -void RenderSystem::submitModel(const std::shared_ptr &model, const Eigen::Matrix4f &model_matrix) { - /* - std::vector> meshes; - std::vector materials; - std::vector transforms; - - model->traverse(meshes, materials, transforms, model_matrix); - - for (int i = 0; i < meshes.size(); i++) { - auto mtl_id = materials.at(i); - auto mesh = meshes.at(i); - auto material = m_asset_bank->getMaterial(mtl_id); - if (!material) { - continue; - } - auto shader = m_asset_bank->getShader(material->getShader()); - if (!shader) { - continue; - } - - if (!mesh) { - continue; - } - - std::unordered_map> texs; - for (const auto &[name, value] : material->getAllUniforms()) { - if (std::holds_alternative(value)) { - auto v = std::get(value); - if (auto tex = m_asset_bank->getTexture2D(v); tex) { - texs.try_emplace(v, tex); - } - } - } - - m_renderer->submitDrawable(Drawable{.mesh = mesh, - .material = material, - .shader = shader, - .textures = texs, - .model_matrix = transforms[i], - .skeleton = model->getSkeleton()}); - } - */ -} - void RenderSystem::onEntityAdded(Entity e) { onEntityRemoved(e); if (m_registry->entityHasComponent(e)) { diff --git a/ICEBERG/UI/AddComponentPopup.h b/ICEBERG/UI/AddComponentPopup.h index 2f8be0e8..ed383c67 100644 --- a/ICEBERG/UI/AddComponentPopup.h +++ b/ICEBERG/UI/AddComponentPopup.h @@ -38,7 +38,7 @@ class AddComponentPopup { m_components_combo.render(); if (ImGui::Button("Add")) { if(m_components_combo.getSelectedItem() == "Render Component") - m_registry->addComponent(m_entity, ICE::RenderComponent(0)); + m_registry->addComponent(m_entity, ICE::RenderComponent(0, 0)); if(m_components_combo.getSelectedItem() == "Light Component") m_registry->addComponent(m_entity, ICE::LightComponent(ICE::PointLight, Eigen::Vector3f(1, 1, 1))); diff --git a/ICEBERG/UI/InspectorWidget.h b/ICEBERG/UI/InspectorWidget.h index 058486f5..905579bf 100644 --- a/ICEBERG/UI/InspectorWidget.h +++ b/ICEBERG/UI/InspectorWidget.h @@ -46,8 +46,9 @@ class InspectorWidget : public Widget { void setAnimationComponent(ICE::AnimationComponent* ac, const std::unordered_map& animations) { m_ac_widget.setAnimationComponent(ac, animations); } - void setRenderComponent(ICE::RenderComponent* rc, const std::vector& meshes_paths, const std::vector& meshes_ids) { - m_rc_widget.setRenderComponent(rc, meshes_paths, meshes_ids); + void setRenderComponent(ICE::RenderComponent* rc, const std::vector& meshes_paths, const std::vector& meshes_ids, + const std::vector& material_paths, const std::vector& material_ids) { + m_rc_widget.setRenderComponent(rc, meshes_paths, meshes_ids, material_paths, material_ids); } private: diff --git a/ICEBERG/UI/RenderComponentWidget.h b/ICEBERG/UI/RenderComponentWidget.h index 69a86dcf..62e2a95f 100644 --- a/ICEBERG/UI/RenderComponentWidget.h +++ b/ICEBERG/UI/RenderComponentWidget.h @@ -30,18 +30,24 @@ class RenderComponentWidget : public Widget, ImXML::XMLEventHandler { } } - void setRenderComponent(ICE::RenderComponent* rc, const std::vector& meshes_paths, const std::vector& meshes_ids) { + void setRenderComponent(ICE::RenderComponent* rc, const std::vector& meshes_paths, const std::vector& meshes_ids, + const std::vector& materials_paths, const std::vector& materials_ids) { m_rc = rc; if (m_rc) { - m_models_combo.setValue(rc->model); + m_models_combo.setValue(rc->mesh); m_models_combo.setAssetComboList(meshes_paths, meshes_ids); - m_models_combo.onValueChanged([this](const ICE::UniformValue& v) { m_rc->model = std::get(v); }); + m_models_combo.onValueChanged([this](const ICE::UniformValue& v) { m_rc->mesh = std::get(v); }); + + m_material_combo.setValue(rc->material); + m_material_combo.setAssetComboList(meshes_paths, meshes_ids); + m_material_combo.onValueChanged([this](const ICE::UniformValue& v) { m_rc->material = std::get(v); }); } } private: ICE::RenderComponent* m_rc = nullptr; UniformInputs m_models_combo{"##models_combo", 0}; + UniformInputs m_material_combo{"##materials_combo", 0}; ImXML::XMLTree m_xml_tree; ImXML::XMLRenderer m_xml_renderer; diff --git a/ICEBERG/src/Hierarchy.cpp b/ICEBERG/src/Hierarchy.cpp index a1ff313d..c33594b4 100644 --- a/ICEBERG/src/Hierarchy.cpp +++ b/ICEBERG/src/Hierarchy.cpp @@ -14,8 +14,9 @@ Hierarchy::Hierarchy(const std::shared_ptr &engine) : m_engine(e scene->getRegistry()->addComponent( entity, ICE::TransformComponent(Eigen::Vector3f::Zero(), Eigen::Vector3f::Zero(), Eigen::Vector3f(1, 1, 1))); - auto cube_id = m_engine->getAssetBank()->getUID(ICE::AssetPath::WithTypePrefix("cube")); - scene->getRegistry()->addComponent(entity, ICE::RenderComponent(cube_id)); + auto cube_id = m_engine->getAssetBank()->getUID(ICE::AssetPath::WithTypePrefix("cube")); + auto mat_id = m_engine->getAssetBank()->getUID(ICE::AssetPath::WithTypePrefix("base_mat")); + scene->getRegistry()->addComponent(entity, ICE::RenderComponent(cube_id, mat_id)); scene->getGraph()->setParent(entity, parent, false); m_need_rebuild_tree = true; diff --git a/ICEBERG/src/Inspector.cpp b/ICEBERG/src/Inspector.cpp index e957a59c..4827bb8f 100644 --- a/ICEBERG/src/Inspector.cpp +++ b/ICEBERG/src/Inspector.cpp @@ -48,7 +48,7 @@ void Inspector::setSelectedEntity(ICE::Entity e, bool force_refesh) { ui.setTransformComponent(nullptr); ui.setLightComponent(nullptr); ui.setAnimationComponent(nullptr, {}); - ui.setRenderComponent(nullptr, {}, {}); + ui.setRenderComponent(nullptr, {}, {}, {}, {}); if (registry->entityHasComponent(e)) { auto tc = registry->getComponent(e); @@ -57,7 +57,7 @@ void Inspector::setSelectedEntity(ICE::Entity e, bool force_refesh) { if (registry->entityHasComponent(e)) { auto rc = registry->getComponent(e); - auto meshes = m_engine->getAssetBank()->getAll(); + auto meshes = m_engine->getAssetBank()->getAll(); std::vector meshes_paths; std::vector meshes_ids; @@ -67,12 +67,22 @@ void Inspector::setSelectedEntity(ICE::Entity e, bool force_refesh) { meshes_paths.push_back(m_engine->getAssetBank()->getName(id).toString()); } - ui.setRenderComponent(rc, meshes_paths, meshes_ids); - if (registry->entityHasComponent(e)) { + auto materials = m_engine->getAssetBank()->getAll(); + + std::vector materials_paths; + std::vector materials_ids; + + for (const auto& [id, m] : materials) { + materials_ids.push_back(id); + materials_paths.push_back(m_engine->getAssetBank()->getName(id).toString()); + } + + ui.setRenderComponent(rc, meshes_paths, meshes_ids, materials_paths, materials_ids); + /* if (registry->entityHasComponent(e)) { auto ac = registry->getComponent(e); auto anims = m_engine->getAssetBank()->getAsset(rc->model)->getAnimations(); ui.setAnimationComponent(ac, anims); - } + }*/ } if (registry->entityHasComponent(e)) { auto lc = registry->getComponent(e); From fd391cca15c89be829bf26b577b08290f15602dd Mon Sep 17 00:00:00 2001 From: ProtectedVariable Date: Thu, 15 Jan 2026 16:23:09 +0100 Subject: [PATCH 06/14] new shader IO ok --- ICE/Assets/include/Shader.h | 2 +- ICE/Assets/src/AssetPath.cpp | 1 + ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp | 2 +- ICE/IO/src/MeshLoader.cpp | 1 - ICE/IO/src/ShaderExporter.cpp | 2 +- ICE/IO/src/ShaderLoader.cpp | 4 +++- 6 files changed, 7 insertions(+), 5 deletions(-) diff --git a/ICE/Assets/include/Shader.h b/ICE/Assets/include/Shader.h index a5d8c1c5..feccff36 100644 --- a/ICE/Assets/include/Shader.h +++ b/ICE/Assets/include/Shader.h @@ -12,7 +12,7 @@ namespace ICE { enum ShaderStage { Vertex, Fragment, Geometry, TessControl, TessEval, Compute }; // Map of shader stages to their source code -using ShaderSource = std::unordered_map; +using ShaderSource = std::unordered_map>; class Shader : public Asset { public: diff --git a/ICE/Assets/src/AssetPath.cpp b/ICE/Assets/src/AssetPath.cpp index 2460372e..67b5dc6b 100644 --- a/ICE/Assets/src/AssetPath.cpp +++ b/ICE/Assets/src/AssetPath.cpp @@ -13,6 +13,7 @@ namespace ICE { std::unordered_map AssetPath::typenames = {{typeid(Texture2D), "Textures"}, {typeid(TextureCube), "CubeMaps"}, + {typeid(Mesh), "Meshes"}, {typeid(Model), "Models"}, {typeid(Material), "Materials"}, {typeid(Shader), "Shaders"}}; diff --git a/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp b/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp index 124b5ca4..a15e73b3 100644 --- a/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp +++ b/ICE/GraphicsAPI/OpenGL/src/OpenGLShader.cpp @@ -16,7 +16,7 @@ OpenGLShader::OpenGLShader(const Shader &shader_asset) { Logger::Log(Logger::VERBOSE, "Graphics", "Compiling shader..."); for (const auto& [stage, source] : shader_asset.getSources()) { - compileAndAttachStage(stage, source); + compileAndAttachStage(stage, source.second); } glLinkProgram(m_programID); diff --git a/ICE/IO/src/MeshLoader.cpp b/ICE/IO/src/MeshLoader.cpp index d8084ee8..6f6b6a79 100644 --- a/ICE/IO/src/MeshLoader.cpp +++ b/ICE/IO/src/MeshLoader.cpp @@ -19,7 +19,6 @@ std::shared_ptr MeshLoader::load(const std::vector } Assimp::Importer importer; - const aiScene *scene = importer.ReadFile(file[0].string(), aiProcess_FlipUVs | aiProcess_ValidateDataStructure | aiProcess_SortByPType | aiProcess_GenSmoothNormals | aiProcess_CalcTangentSpace | aiProcess_Triangulate | aiProcess_PreTransformVertices); diff --git a/ICE/IO/src/ShaderExporter.cpp b/ICE/IO/src/ShaderExporter.cpp index e8d4246d..d6205cdc 100644 --- a/ICE/IO/src/ShaderExporter.cpp +++ b/ICE/IO/src/ShaderExporter.cpp @@ -16,7 +16,7 @@ void ShaderExporter::writeToJson(const std::filesystem::path &path, const Shader for (const auto& [stage, source] : shader.getSources()) { j.push_back({ {"stage", stageToString(stage)}, - {"file", source}}); + {"source", source.first}}); } outstream << j.dump(4); outstream.close(); diff --git a/ICE/IO/src/ShaderLoader.cpp b/ICE/IO/src/ShaderLoader.cpp index ff444978..c8f1ab36 100644 --- a/ICE/IO/src/ShaderLoader.cpp +++ b/ICE/IO/src/ShaderLoader.cpp @@ -26,7 +26,9 @@ std::shared_ptr ShaderLoader::load(const std::vector(); - shader_sources[stage] = readAndResolveIncludes(files[0].parent_path() / file); + auto file_path = (files[0].parent_path() / file).string(); + auto source_code = readAndResolveIncludes(file_path); + shader_sources[stage] = {file, source_code}; } auto shader = std::make_shared(shader_sources); From ba6ae21a776d5eaa712918619f3ea4a371ad33ae Mon Sep 17 00:00:00 2001 From: ProtectedVariable Date: Thu, 15 Jan 2026 16:50:33 +0100 Subject: [PATCH 07/14] working on new render logic with only meshes --- ICE/Assets/include/GPURegistry.h | 1 + ICE/Assets/include/Model.h | 12 +++--- ICE/Assets/include/Shader.h | 2 +- ICE/Assets/src/Model.cpp | 13 +++--- ICEBERG/include/Assets.h | 2 +- ICEBERG/include/AssetsRenderer.h | 6 +-- ICEBERG/src/Assets.cpp | 4 +- ICEBERG/src/AssetsRenderer.cpp | 68 +++++++++++++++----------------- ICEBERG/src/MaterialEditor.cpp | 2 +- 9 files changed, 55 insertions(+), 55 deletions(-) diff --git a/ICE/Assets/include/GPURegistry.h b/ICE/Assets/include/GPURegistry.h index 9dd76794..4e7fb661 100644 --- a/ICE/Assets/include/GPURegistry.h +++ b/ICE/Assets/include/GPURegistry.h @@ -19,6 +19,7 @@ class GPURegistry { GPURegistry(const std::shared_ptr &factory, const std::shared_ptr &bank); AssetUID getUID(const AssetPath &path) const { return m_asset_bank->getUID(path); } + std::shared_ptr getMaterial(const AssetPath &path) { return m_asset_bank->getAsset(getUID(path)); } std::shared_ptr getMaterial(AssetUID id) { return m_asset_bank->getAsset(id); } std::shared_ptr getShader(AssetUID id); std::shared_ptr getShader(const AssetPath &path) { return getShader(getUID(path)); } diff --git a/ICE/Assets/include/Model.h b/ICE/Assets/include/Model.h index 34190164..d13b9037 100644 --- a/ICE/Assets/include/Model.h +++ b/ICE/Assets/include/Model.h @@ -25,19 +25,19 @@ class Model : public Asset { Eigen::Matrix4f globalInverseTransform; }; - Model(const std::vector &nodes, const std::vector> &meshes, const std::vector &materials); + Model(const std::vector &nodes, const std::vector &meshes, const std::vector &materials); std::vector getNodes() const { return m_nodes; } std::vector &getNodes() { return m_nodes; } - std::vector> getMeshes() const { return m_meshes; } - std::vector getMaterialsIDs() const { return m_materials; } + std::vector getMeshes() const { return m_meshes; } + std::vector getMaterialsIDs() const { return m_materials; } AABB getBoundingBox() const { return m_boundingbox; } std::unordered_map getAnimations() const { return m_animations; } Skeleton &getSkeleton() { return m_skeleton; } void setSkeleton(const Skeleton &skeleton) { m_skeleton = skeleton; } void setAnimations(const std::unordered_map &animations) { m_animations = animations; } - void traverse(std::vector> &meshes, std::vector &materials, std::vector &transforms, + void traverse(std::vector &meshes, std::vector &materials, std::vector &transforms, const Eigen::Matrix4f &base_transform = Eigen::Matrix4f::Identity()); AssetType getType() const override { return AssetType::EModel; } @@ -45,8 +45,8 @@ class Model : public Asset { private: std::vector m_nodes; - std::vector> m_meshes; - std::vector m_materials; + std::vector m_meshes; + std::vector m_materials; std::unordered_map m_animations; Skeleton m_skeleton; AABB m_boundingbox{{0, 0, 0}, {0, 0, 0}}; diff --git a/ICE/Assets/include/Shader.h b/ICE/Assets/include/Shader.h index feccff36..383ce4b4 100644 --- a/ICE/Assets/include/Shader.h +++ b/ICE/Assets/include/Shader.h @@ -11,7 +11,7 @@ namespace ICE { enum ShaderStage { Vertex, Fragment, Geometry, TessControl, TessEval, Compute }; -// Map of shader stages to their source code +// Map of shader stages to their source code {filename, source} using ShaderSource = std::unordered_map>; class Shader : public Asset { diff --git a/ICE/Assets/src/Model.cpp b/ICE/Assets/src/Model.cpp index a7c67410..169ab7da 100644 --- a/ICE/Assets/src/Model.cpp +++ b/ICE/Assets/src/Model.cpp @@ -1,16 +1,16 @@ #include "Model.h" namespace ICE { -Model::Model(const std::vector &nodes, const std::vector> &meshes, const std::vector &materials) +Model::Model(const std::vector &nodes, const std::vector &meshes, const std::vector &materials) : m_nodes(nodes), m_meshes(meshes), m_materials(materials) { - for (const auto &mesh : meshes) { + /* for (const auto &mesh : meshes) { m_boundingbox = m_boundingbox.unionWith(mesh->getBoundingBox()); - } + }*/ } -void Model::traverse(std::vector> &meshes, std::vector &materials, std::vector &transforms, +void Model::traverse(std::vector &meshes, std::vector &materials, std::vector &transforms, const Eigen::Matrix4f &base_transform) { std::function recursive_traversal = [&](int node_idx, const Eigen::Matrix4f &transform) { auto &node = m_nodes.at(node_idx); @@ -22,11 +22,12 @@ void Model::traverse(std::vector> &meshes, std::vectorusesBones()) { + /* if (mesh->usesBones()) { node_transform = transform; } else { node_transform = transform * node.animatedTransform; - } + }*/ + node_transform = transform * node.animatedTransform; meshes.push_back(mesh); materials.push_back(mtl_id); diff --git a/ICEBERG/include/Assets.h b/ICEBERG/include/Assets.h index 6ad4b52b..b730fe0d 100644 --- a/ICEBERG/include/Assets.h +++ b/ICEBERG/include/Assets.h @@ -19,7 +19,7 @@ class Assets : public Controller { void createSubfolderView(AssetView *parent_view, const std::vector &path, const Thumbnail &thumbnail, const std::string &full_path); - const std::vector m_asset_categories = {"Models", "Materials", "Textures2D", "TextureCubes", "Shaders", "Others"}; + const std::vector m_asset_categories = {"Models", "Meshes", "Materials", "Textures2D", "TextureCubes", "Shaders", "Others"}; std::vector m_asset_views; int m_current_category_index = 0; diff --git a/ICEBERG/include/AssetsRenderer.h b/ICEBERG/include/AssetsRenderer.h index f902e2ea..488dd76f 100644 --- a/ICEBERG/include/AssetsRenderer.h +++ b/ICEBERG/include/AssetsRenderer.h @@ -1,6 +1,6 @@ #pragma once -#include +#include #include #include @@ -8,7 +8,7 @@ class AssetsRenderer { public: AssetsRenderer(const std::shared_ptr& api, const std::shared_ptr& factory, - const std::shared_ptr& bank) + const std::shared_ptr& bank) : m_api(api), m_factory(factory), m_bank(bank) {} @@ -20,5 +20,5 @@ class AssetsRenderer { std::unordered_map m_renderers; std::shared_ptr m_api; std::shared_ptr m_factory; - std::shared_ptr m_bank; + std::shared_ptr m_bank; }; diff --git a/ICEBERG/src/Assets.cpp b/ICEBERG/src/Assets.cpp index 91e30a32..67cc8836 100644 --- a/ICEBERG/src/Assets.cpp +++ b/ICEBERG/src/Assets.cpp @@ -6,7 +6,7 @@ Assets::Assets(const std::shared_ptr& engine, const std::shared_ptr& g_factory) : m_engine(engine), m_g_factory(g_factory), - m_renderer(engine->getApi(), g_factory, engine->getAssetBank()), + m_renderer(engine->getApi(), g_factory, engine->getGPURegistry()), ui(m_asset_categories, m_engine->getGPURegistry()->getTexture2D(ICE::AssetPath::WithTypePrefix("Editor/folder"))->ptr()), m_material_editor(engine) { @@ -76,6 +76,8 @@ void Assets::rebuildViewer() { std::string category; if (std::dynamic_pointer_cast(entry.asset)) { category = "Models"; + } else if (std::dynamic_pointer_cast(entry.asset)) { + category = "Meshes"; } else if (std::dynamic_pointer_cast(entry.asset)) { category = "Materials"; } else if (std::dynamic_pointer_cast(entry.asset)) { diff --git a/ICEBERG/src/AssetsRenderer.cpp b/ICEBERG/src/AssetsRenderer.cpp index 5cf3d82a..aaf9d51d 100644 --- a/ICEBERG/src/AssetsRenderer.cpp +++ b/ICEBERG/src/AssetsRenderer.cpp @@ -7,34 +7,40 @@ std::pair AssetsRenderer::createThumbnail(const std::shared_ptr AssetsRenderer::getPreview(const std::shared_ptr& asset, const std::string& asset_path, float t) { - /* + std::vector> meshes; + std::vector> materials; + std::vector transforms; + bool thumbnail = (t == std::numeric_limits::infinity()); + + auto key = thumbnail ? "thumb_" + asset_path : "preview_" + asset_path; + if (thumbnail) { + t = 45; + } + + Eigen::Matrix4f rotation = ICE::rotationMatrix({0, t, 0}); + if (auto m = std::dynamic_pointer_cast(asset); m) { - return {m->getTexture(), false}; + return {m_bank->getTexture2D(asset_path)->ptr(), false}; } else if (auto m = std::dynamic_pointer_cast(asset); m) { return {nullptr, false}; //TODO } else if (auto m = std::dynamic_pointer_cast(asset); m) { - return {m_bank->getAsset(ICE::AssetPath::WithTypePrefix("Editor/shader"))->getTexture(), false}; - } - - auto model = m_bank->getAsset(ICE::AssetPath::WithTypePrefix("sphere")); - auto material = m_bank->getAsset(ICE::AssetPath::WithTypePrefix("base_mat")); - bool override_material = false; - - if (auto m = std::dynamic_pointer_cast(asset); m) { - model = m; + return {m_bank->getTexture2D(ICE::AssetPath::WithTypePrefix("Editor/shader"))->ptr(), false}; + } else if (auto m = std::dynamic_pointer_cast(asset); m) { + meshes.push_back(m_bank->getMesh(asset_path)); + materials.push_back(m_bank->getMaterial(ICE::AssetPath::WithTypePrefix("base_mat"))); + transforms.push_back(rotation); } else if (auto m = std::dynamic_pointer_cast(asset); m) { - material = m; - override_material = true; + materials.push_back(m); + meshes.push_back(m_bank->getMesh(ICE::AssetPath::WithTypePrefix("sphere"))); + transforms.push_back(rotation); + } else if (auto m = std::dynamic_pointer_cast(asset); m) { + m->traverse(meshes, materials, transforms); } else { return {nullptr, false}; } - bool thumbnail = (t == std::numeric_limits::infinity()); - auto key = thumbnail ? "thumb_" + asset_path : "preview_" + asset_path; - if (thumbnail) { - t = 45; - } + if (!m_renderers.contains(key)) { m_renderers.try_emplace(key, m_api, m_factory); m_renderers.at(key).resize(256, 256); @@ -46,26 +52,18 @@ std::pair AssetsRenderer::getPreview(const std::shared_ptrpitch(-30); auto& renderer = m_renderers.at(key); - std::vector> meshes; - std::vector materials; - std::vector transforms; - - model->traverse(meshes, materials, transforms, ICE::rotationMatrix({0, t, 0})); - std::unordered_map> textures; - for (const auto& [k, v] : material->getAllUniforms()) { - if (std::holds_alternative(v)) { - auto id = std::get(v); - textures.try_emplace(id, m_bank->getAsset(id)); - } - } for (int i = 0; i < meshes.size(); i++) { - if (!override_material) { - material = m_bank->getAsset(materials[i]); + std::unordered_map> textures; + for (const auto& [k, v] : materials[i]->getAllUniforms()) { + if (std::holds_alternative(v)) { + auto id = std::get(v); + textures.try_emplace(id, m_bank->getTexture2D(id)); + } } - auto shader = m_bank->getAsset(material->getShader()); + auto shader = m_bank->getShader(materials[i]->getShader()); if (shader) renderer.submitDrawable( - ICE::Drawable{.mesh = meshes[i], .material = material, .shader = shader, .textures = textures, .model_matrix = transforms[i]}); + ICE::Drawable{.mesh = meshes[i], .material = materials[i], .shader = shader, .textures = textures, .model_matrix = transforms[i]}); } renderer.submitLight( ICE::Light{.position = {-2, 2, 2}, .rotation = {0, 0, 0}, .color = {1, 1, 1}, .distance_dropoff = 0, .type = ICE::LightType::PointLight}); @@ -75,6 +73,4 @@ std::pair AssetsRenderer::getPreview(const std::shared_ptr(0) + fb->getTexture(), true}; - */ - return {nullptr, false}; } \ No newline at end of file diff --git a/ICEBERG/src/MaterialEditor.cpp b/ICEBERG/src/MaterialEditor.cpp index 610a6761..25863ad9 100644 --- a/ICEBERG/src/MaterialEditor.cpp +++ b/ICEBERG/src/MaterialEditor.cpp @@ -2,7 +2,7 @@ MaterialEditor::MaterialEditor(const std::shared_ptr &engine) : m_engine(engine), - m_renderer(engine->getApi(), m_engine->getGraphicsFactory(), m_engine->getAssetBank()) { + m_renderer(engine->getApi(), m_engine->getGraphicsFactory(), m_engine->getGPURegistry()) { ui.registerCallback("shader_selected", [this](int index) { if (index >= 0 && index < m_shaders.size()) m_current_material->setShader(m_shaders[index]); From 4232cd8825a2bd49e31802720409bdb2afa00bd6 Mon Sep 17 00:00:00 2001 From: Thomas Date: Thu, 15 Jan 2026 19:08:43 +0100 Subject: [PATCH 08/14] Only store mesh ids in model --- ICE/IO/include/ModelLoader.h | 2 +- ICE/IO/src/ModelLoader.cpp | 19 ++++++++++++++----- ICEBERG/src/AssetsRenderer.cpp | 8 +++++++- 3 files changed, 22 insertions(+), 7 deletions(-) diff --git a/ICE/IO/include/ModelLoader.h b/ICE/IO/include/ModelLoader.h index 617961b5..288bb330 100644 --- a/ICE/IO/include/ModelLoader.h +++ b/ICE/IO/include/ModelLoader.h @@ -24,7 +24,7 @@ class ModelLoader : public IAssetLoader { int processNode(const aiNode *node, std::vector &nodes, Model::Skeleton &skeleton, std::unordered_set &used_names, const Eigen::Matrix4f &parent_transform); - std::shared_ptr extractMesh(const aiMesh *mesh, const std::string &model_name, const aiScene *scene, Model::Skeleton &skeleton); + AssetUID extractMesh(const aiMesh *mesh, const std::string &model_name, const aiScene *scene, Model::Skeleton &skeleton); AssetUID extractMaterial(const aiMaterial *material, const std::string &model_name, const aiScene *scene); AssetUID extractTexture(const aiMaterial *material, const std::string &tex_path, const aiScene *scene, aiTextureType type); void extractBoneData(const aiMesh *mesh, const aiScene *scene, MeshData &data, SkinningData &skinning_data, Model::Skeleton &skeleton); diff --git a/ICE/IO/src/ModelLoader.cpp b/ICE/IO/src/ModelLoader.cpp index 9321e4fa..a2487f40 100644 --- a/ICE/IO/src/ModelLoader.cpp +++ b/ICE/IO/src/ModelLoader.cpp @@ -23,7 +23,7 @@ std::shared_ptr ModelLoader::load(const std::vector> meshes; + std::vector meshes; std::vector materials; std::vector nodes; Model::Skeleton skeleton; @@ -34,7 +34,6 @@ std::shared_ptr ModelLoader::load(const std::vectorsetSources(file); } std::unordered_set used_node_names; processNode(scene->mRootNode, nodes, skeleton, used_node_names, Eigen::Matrix4f::Identity()); @@ -85,7 +84,7 @@ int ModelLoader::processNode(const aiNode *ainode, std::vector &nod return insert_pos; } -std::shared_ptr ModelLoader::extractMesh(const aiMesh *mesh, const std::string &model_name, const aiScene *scene, Model::Skeleton &skeleton) { +AssetUID ModelLoader::extractMesh(const aiMesh *mesh, const std::string &model_name, const aiScene *scene, Model::Skeleton &skeleton) { MeshData data; for (int i = 0; i < mesh->mNumVertices; i++) { @@ -123,7 +122,17 @@ std::shared_ptr ModelLoader::extractMesh(const aiMesh *mesh, const std::st mesh_->setSkinningData(skinning_data); } - return mesh_; + AssetUID mesh_id = 0; + AssetPath mesh_path = AssetPath::WithTypePrefix(model_name + "/" + mesh->mName.C_Str()); + if (mesh_id = ref_bank.getUID(mesh_path); mesh_id != 0) { + ref_bank.removeAsset(mesh_path); + ref_bank.addAssetWithSpecificUID(mesh_path, mesh_, mesh_id); + } else { + ref_bank.addAsset(mesh_path, mesh_); + mesh_id = ref_bank.getUID(mesh_path); + } + + return mesh_id; } AssetUID ModelLoader::extractMaterial(const aiMaterial *material, const std::string &model_name, const aiScene *scene) { @@ -292,7 +301,7 @@ std::unordered_map ModelLoader::extractAnimations(const a.tracks[boneName] = std::move(track); } std::string anim_name = anim->mName.C_Str(); - + out.try_emplace(anim_name.substr(anim_name.find_first_of('|') + 1), std::move(a)); } return out; diff --git a/ICEBERG/src/AssetsRenderer.cpp b/ICEBERG/src/AssetsRenderer.cpp index aaf9d51d..970bc0d5 100644 --- a/ICEBERG/src/AssetsRenderer.cpp +++ b/ICEBERG/src/AssetsRenderer.cpp @@ -34,7 +34,13 @@ std::pair AssetsRenderer::getPreview(const std::shared_ptrgetMesh(ICE::AssetPath::WithTypePrefix("sphere"))); transforms.push_back(rotation); } else if (auto m = std::dynamic_pointer_cast(asset); m) { - m->traverse(meshes, materials, transforms); + std::vector meshes_id; + std::vector materials_id; + m->traverse(meshes_id, materials_id, transforms, rotation); + for (int i = 0; i < meshes_id.size(); i++) { + meshes.push_back(m_bank->getMesh(meshes_id[i])); + materials.push_back(m_bank->getMaterial(materials_id[i])); + } } else { return {nullptr, false}; } From c797752226f85512584e50f029f0d93484d14458 Mon Sep 17 00:00:00 2001 From: Thomas Date: Fri, 16 Jan 2026 14:24:45 +0100 Subject: [PATCH 09/14] Re-enable ok --- ICEBERG/UI/RenderComponentWidget.h | 4 +++- ICEBERG/XML/RenderComponentWidget.xml | 10 +++++++++- ICEBERG/include/Editor.h | 2 +- ICEBERG/src/Viewport.cpp | 20 ++++++++++---------- 4 files changed, 23 insertions(+), 13 deletions(-) diff --git a/ICEBERG/UI/RenderComponentWidget.h b/ICEBERG/UI/RenderComponentWidget.h index 62e2a95f..f5328019 100644 --- a/ICEBERG/UI/RenderComponentWidget.h +++ b/ICEBERG/UI/RenderComponentWidget.h @@ -19,6 +19,8 @@ class RenderComponentWidget : public Widget, ImXML::XMLEventHandler { void onNodeBegin(ImXML::XMLNode& node) override { if (node.arg("id") == "models_combo") { m_models_combo.render(); + } else if (node.arg("id") == "materials_combo") { + m_material_combo.render(); } } void onNodeEnd(ImXML::XMLNode& node) override {} @@ -39,7 +41,7 @@ class RenderComponentWidget : public Widget, ImXML::XMLEventHandler { m_models_combo.onValueChanged([this](const ICE::UniformValue& v) { m_rc->mesh = std::get(v); }); m_material_combo.setValue(rc->material); - m_material_combo.setAssetComboList(meshes_paths, meshes_ids); + m_material_combo.setAssetComboList(materials_paths, materials_ids); m_material_combo.onValueChanged([this](const ICE::UniformValue& v) { m_rc->material = std::get(v); }); } } diff --git a/ICEBERG/XML/RenderComponentWidget.xml b/ICEBERG/XML/RenderComponentWidget.xml index d3ffacd8..c352064a 100644 --- a/ICEBERG/XML/RenderComponentWidget.xml +++ b/ICEBERG/XML/RenderComponentWidget.xml @@ -8,11 +8,19 @@ - + + + + + + + + +