public CaptureMarkup(CaptureMarkupDefinition definition, int startIndex, int endIndex)
: base(definition)
{
StartSyntax = definition.StartSyntax;
EndSyntax = definition.EndSyntax;
StartIndex = startIndex;
EndIndex = endIndex;
}
private bool TryGetCaptureMarkup(
string markup,
int index,
CaptureMarkupDefinition markupDefinition,
out CaptureMarkup captureMarkup,
out TextSpan startSpan,
out TextSpan endSpan)
{
var currentMarkup = markup.Substring(0, index + 1);
if (currentMarkup.EndsWith(markupDefinition.StartSyntax, false, CultureInfo.InvariantCulture))
{
// Found starting syntax
var span = GetTextSpanForSyntax(index, markupDefinition.StartSyntax);
markupDefinition.StartSpans.Push(span);
}
if (currentMarkup.EndsWith(markupDefinition.EndSyntax, false, CultureInfo.InvariantCulture))
{
// Found ending syntax
if (markupDefinition.StartSpans.Count > 0)
{
startSpan = markupDefinition.StartSpans.Pop();
endSpan = GetTextSpanForSyntax(index, markupDefinition.EndSyntax);
captureMarkup = new CaptureMarkup(markupDefinition, startSpan.Start, endSpan.Start);
return(true);
}
else
{
throw new InvalidOperationException(
string.Format(
CultureInfo.CurrentCulture,
MissingSyntaxTemplate,
markupDefinition.EndSyntax,
markupDefinition.StartSyntax));
}
}
// Use defaults (values shouldn't be used)
startSpan = default(TextSpan);
endSpan = default(TextSpan);
captureMarkup = null;
return(false);
}