public List<HighlightPiece> Process(string code, LanguageBase lang)
{
var regexes = lang.Regexes.Keys.ToArray();
var matches = new Match[regexes.Length];
int index = 0;
var codePieces = new List<HighlightPiece>();
while (index < code.Length)
{
int i = 0;
for (; i < matches.Length; i++)
{
// 是否需要匹配
if (matches[i] != null && matches[i].Index >= index)
continue;
matches[i] = regexes[i].Match(code, index);
}
// 取最前的匹配
i = GetFirstMatch(matches);
if (i == -1)
break;
// 添加到代码片段
codePieces.Add(
new HighlightPiece(lang.Regexes[regexes[i]], matches[i])
);
// 更新Index，继续迭代
index = matches[i].Index + matches[i].Length;
}
return codePieces;
}
void ShowCodeForUbb(string code, List<HighlightPiece> pieces, LanguageBase lang)
{
int index = 0;
var sb = new StringBuilder();
sb.Append("[font=Consolas]");
for (int i = 0; i < pieces.Count; i++)
{
var piece = pieces[i];
// 每个高亮之前的部分
var pieceCur = ProcessUbbTag(code.Substring(index, piece.Index - index));
sb.Append(pieceCur);
// 高亮的代码块
var color = lang.ColorPlans[piece.Style];
pieceCur = ProcessUbbTag(code.Substring(piece.Index, piece.Length));
sb.Append(string.Format(
"[color=#{0:x2}{1:x2}{2:x2}]{3}[/color]", color.R, color.G, color.B, pieceCur)
);
index = piece.Index + piece.Length;
// 最后的部分
if (i == pieces.Count - 1)
{
pieceCur = ProcessUbbTag(code.Substring(index, code.Length - index));
sb.Append(pieceCur);
}
}
sb.Append("[/font]");
_codeDiscuz = sb.ToString();
}
void RenderCode(string code, List<HighlightPiece> pieces, LanguageBase lang)
{
var paragraph = new Paragraph();
int index = 0;
for (int i = 0; i < pieces.Count; i++)
{
var piece = pieces[i];
// 每个高亮之前的部分
var pieceCur = code.Substring(index, piece.Index - index);
paragraph.Inlines.Add(pieceCur);
// 高亮的代码块
var span = new Span();
span.Foreground = new SolidColorBrush(lang.ColorPlans[piece.Style]);
pieceCur = code.Substring(piece.Index, piece.Length);
span.Inlines.Add(pieceCur);
paragraph.Inlines.Add(span);
index = piece.Index + piece.Length;
// 最后的部分
if (i == pieces.Count - 1)
{
pieceCur = code.Substring(index, code.Length - index);
paragraph.Inlines.Add(pieceCur);
}
}
_codeParagraph = paragraph;
}
