Exemplo n.º 1
0
        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();
        }
Exemplo n.º 2
0
        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();
        }