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NMLparser.cs
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216 lines (215 loc) · 7.28 KB
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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace NBrowser
{
internal class NMLParser
{
public NMLParser()
{
}
public List<NMLOBJ> parse(string t)
{
t = t.Replace("\r\n", "\n");
int i = 0;
string nstxt = "";
List<NMLOBJ> ret = new List<NMLOBJ>();
while (t.Length > i)
{
if ((i < 1 || t[i - 1] != '\\') && (t[i] == '#' || (t[i] == '{' && t[i + 1] == '{'))) // structure
{
if (nstxt.Length > 0)
{
List<NMLOBJ> child = block(nstxt);
for (int ccn = 0; ccn < child.Count; ccn++)
{
ret.Add(child[ccn]);
}
nstxt = "";
}
if (t[i] == '#') // title
{
int size = -1;
i++;
if (t[i] == ' ') { i++; }
else
{
switch (t[i])
{
case '1':
size = 1;
break;
case '2':
size = 2;
break;
case '3':
size = 2;
break;
case '4':
size = 2;
break;
}
i++;
if (t[i] == ' ') { i++; }
}
string content = "";
while (t.Length > i && t[i] != '\n')
{
content += t[i];
i++;
}
if (size == -1)
{
ret.Add(new NMLOBJ("dtitle", 0, "", content, ""));
}
else
{
ret.Add(new NMLOBJ("title", size, "", content, ""));
}
}
else if (t[i] == '{' && t[i + 1] == '{') // block
{
i += 2;
string type = "";
while (t.Length > i && t[i] != '\n')
{
type += t[i];
i++;
}
i++;
string content = "";
while (t.Length > i)
{
if (t.Length>i+2&&t[i] == '\n' && t[i + 1] == '}' && t[i + 2] == '}') { i += 3; break; }
i++;
content += t[i - 1];
if (t.Length>i+3&&t[i] == '\n' && t[i + 1] == '\\' && t[i + 2] == '}' && t[i + 3] == '}') { i += 2; content += "\n"; }
}
if (type.StartsWith("embed:"))
{
ret.Add(new NMLOBJ("embed", 0, type.Substring(6), content, ""));
}
if (type.StartsWith("code:\n"))
{
ret.Add(new NMLOBJ("cblock", 0, "", content, ""));
}
else if (type.StartsWith("code:"))
{
ret.Add(new NMLOBJ("cblock", 0, type.Substring(5), content, ""));
}
}
}
else
{
i++;
if (t[i - 1] == '\\' && (t[i] == '#' || (t[i] == '{' && t[i + 1] == '{')))
{
i++;
}
i--;
if (!(t[i] == '#' || (t[i] == '{' && t[i + 1] == '{')))
{
nstxt += t[i];
}
i++;
}
}
if (nstxt.Length > 0)
{
List<NMLOBJ> child = block(nstxt);
for (int ccn = 0; ccn < child.Count; ccn++)
{
ret.Add(child[ccn]);
}
nstxt = "";
}
return ret;
}
List<NMLOBJ> block(string t)
{
if (t[0] == '\n')
{
t = t.Remove(0, 1);
}
if (t.Length > 1 && t[t.Length - 1] == '\n')
{
t = t.Remove(t.Length - 1);
}
int i = 0;
string nstxt = "";
string tag = "";
List<NMLOBJ> cblk = new List<NMLOBJ>();
while (t.Length > i)
{
if (t[i]=='{') // structure
{
if (nstxt.Length>0)
{
cblk.Add(new NMLOBJ("text", 0, nstxt, "", ""));
nstxt = "";
}
i++;
while (t.Length>i)
{
if (t[i]==':')
{
break;
}
tag += t[i];
i++;
}
List<string> child = new List<string> { };
string ctxt = "";
i++;
while (t.Length>i)
{
if (t[i]=='}')
{
child.Add(ctxt);
cblk.Add(new NMLOBJ(tag, 0, nstxt, string.Join(';',child), ""));
}
else if (t[i]==';')
{
child.Add(ctxt);
i++;
ctxt = "";
}
ctxt += t[i];
i++;
}
}
else
{
nstxt += t[i];
}
tag = "";
i++;
}
if (nstxt.Length > 0)
{
cblk.Add(new NMLOBJ("text", 0, nstxt, "", ""));
nstxt = "";
}
return cblk;
}
}
class NMLOBJ
{
public string type { get; set; }
public string text { get; set; }
public string content { get; set; }
public string alias { get; set; }
public int size { get; set; }
public NMLOBJ(string type, int size = 0, string text = "", string content = "", string alias = "")
{
this.type = type;
this.size = size;
this.text = text;
this.content = content;
this.alias = alias;
}
}
}