private static string ConvertUnaryCode(Regex regex, MatchedRegexHandler handler, string wikicode)
{
Match match = regex.Match(wikicode);
while (match.Success)
{
string text = handler(match);
StringBuilder sb = new StringBuilder(wikicode.Length);
sb.Append(wikicode.Substring(0, match.Index));
sb.Append(text);
sb.Append(wikicode.Substring(match.Index + match.Length));
wikicode = sb.ToString();
//TODO: Optimize.
match = regex.Match(wikicode, match.Index);
}
return wikicode;
}
private static string ConvertBinaryCode(
string wikicode,
MismatchedCodeHandler misHandler,
Regex regex,
MatchedRegexHandler hitHandler)
{
if (string.IsNullOrEmpty(wikicode))
{
return wikicode;
}
Match match = regex.Match(wikicode);
if (!match.Success)
{
return misHandler(wikicode);
}
int lastIndex = 0;
StringBuilder sb = new StringBuilder(wikicode.Length * 2);
while (match.Success && (lastIndex < wikicode.Length))
{
// Copy the skipped part.
string code = wikicode.Substring(lastIndex, match.Index - lastIndex);
if (!string.IsNullOrEmpty(code))
{
sb.Append(misHandler(code));
}
// Handle the match. Either copy a replacement or the matched part as-is.
code = hitHandler(match) ?? match.Value;
sb.Append(code);
lastIndex = match.Index + match.Length;
match = match.NextMatch();
}
// Copy the remaining bit.
if (lastIndex < wikicode.Length)
{
string code = wikicode.Substring(lastIndex);
if (!string.IsNullOrEmpty(code))
{
sb.Append(misHandler(code));
}
}
return sb.ToString();
}
