private void Parse(string sourceCode,
CompiledLanguage compiledLanguage,
Action<string, IList<Scope>> parseHandler)
{
Match regexMatch = compiledLanguage.Regex.Match(sourceCode);
if (!regexMatch.Success)
parseHandler(sourceCode, new List<Scope>());
else {
int currentIndex = 0;
while (regexMatch.Success) {
string sourceCodeBeforeMatch = sourceCode.Substring(currentIndex, regexMatch.Index - currentIndex);
if (!string.IsNullOrEmpty(sourceCodeBeforeMatch))
parseHandler(sourceCodeBeforeMatch, new List<Scope>());
string matchedSourceCode = sourceCode.Substring(regexMatch.Index, regexMatch.Length);
if (!string.IsNullOrEmpty(matchedSourceCode)) {
List<Scope> capturedStylesForMatchedFragment = GetCapturedStyles(regexMatch,
regexMatch.Index,
compiledLanguage);
List<Scope> capturedStyleTree = CreateCapturedStyleTree(capturedStylesForMatchedFragment);
parseHandler(matchedSourceCode, capturedStyleTree);
}
currentIndex = regexMatch.Index + regexMatch.Length;
regexMatch = regexMatch.NextMatch();
}
string sourceCodeAfterAllMatches = sourceCode.Substring(currentIndex);
if (!string.IsNullOrEmpty(sourceCodeAfterAllMatches))
parseHandler(sourceCodeAfterAllMatches, new List<Scope>());
}
}
private List<Scope> GetCapturedStyles(Match regexMatch,
int currentIndex,
CompiledLanguage compiledLanguage)
{
var capturedStyles = new List<Scope>();
for (int i = 0; i < regexMatch.Groups.Count; i++) {
Group regexGroup = regexMatch.Groups[i];
string styleName = compiledLanguage.Captures[i];
if (regexGroup.Length == 0 ||
String.IsNullOrEmpty(styleName))
continue;
else {
foreach (Capture regexCapture in regexGroup.Captures)
AppendCapturedStylesForRegexCapture(regexCapture, currentIndex, styleName, capturedStyles);
}
}
return capturedStyles;
}
