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Make encoding utils header lean #9

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Merged
LimiNode merged 1 commit into from
Sep 13, 2025
Merged

Make encoding utils header lean #9

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17 changes: 12 additions & 5 deletions include/logit_cpp/logit/utils/encoding_utils.hpp
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Original file line number Diff line number Diff line change
@@ -1,23 +1,30 @@
#pragma once

#ifndef _LOGIT_ENCODING_UTILS_HPP_INCLUDED
#define _LOGIT_ENCODING_UTILS_HPP_INCLUDED

/// \file encoding_utils.hpp
/// \brief Utilities for working with character encodings and string transformations.

#include <string>

#if defined(_WIN32)
#include <windows.h>
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <stringapiset.h>

namespace logit {

/// \brief Converts a UTF-8 string to an ANSI string (Windows-specific).
/// \param utf8 The UTF-8 encoded string.
/// \return The converted ANSI string.
std::string utf8_to_ansi(const std::string& utf8) {
inline std::string utf8_to_ansi(const std::string& utf8) {
int n_len = MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(), -1, NULL, 0);
if (n_len == 0) return {};

std::wstring wide_string(n_len + 1, L'\0');
MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(), -1, &wide_string[0], n_len);
MultiByteToWideChar(CP_UTF8, 0, utf8.c_str(), -1, &wide_string[0], n_len);

n_len = WideCharToMultiByte(CP_ACP, 0, wide_string.c_str(), -1, NULL, 0, NULL, NULL);
if (n_len == 0) return {};
Expand All @@ -27,7 +34,7 @@ namespace logit {
return ansi_string;
}

};
#endif
} // namespace logit
#endif // defined(_WIN32)

#endif // _LOGIT_ENCODING_UTILS_HPP_INCLUDED
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