private static string ConvertBinaryCode(
string wikicode,
MismatchedCodeHandler misHandler,
char startMarker,
char endMarker,
MatchedCodeHandler hitHandler)
{
if (string.IsNullOrEmpty(wikicode))
{
return string.Empty;
}
// Find the open tag.
int startOffset = 0;
int lastIndex;
string contents = StringUtils.ExtractBlock(wikicode, startMarker, endMarker, ref startOffset, out lastIndex);
if (string.IsNullOrEmpty(contents))
{
return wikicode;
}
StringBuilder sb = new StringBuilder(wikicode.Length * 16);
int curWikiOffset = 0;
while (lastIndex < wikicode.Length)
{
string wikiChunk = wikicode.Substring(curWikiOffset, startOffset - curWikiOffset);
sb.Append(misHandler(wikiChunk));
sb.Append(hitHandler(contents));
++lastIndex;
startOffset = lastIndex;
curWikiOffset = lastIndex;
contents = StringUtils.ExtractBlock(wikicode, startMarker, endMarker, ref startOffset, out lastIndex);
if (string.IsNullOrEmpty(contents))
{
if (curWikiOffset >= 0 && curWikiOffset < wikicode.Length)
{
sb.Append(misHandler(wikicode.Substring(curWikiOffset)));
}
break;
}
}
return sb.ToString();
}
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();
}