public IList <ClassificationSpan> GetClassificationSpans(SnapshotSpan span)
{
ITextSnapshot snapshot = span.Snapshot;
SnapshotSpan paragraph = GetEnclosingParagraph(span);
string paragraphText = snapshot.GetText(paragraph);
// And now parse the given paragraph and return classification spans for everything
List <ClassificationSpan> spans = new List <ClassificationSpan>();
foreach (var token in MarkdownParser.ParseMarkdownParagraph(paragraphText))
{
IClassificationType type = GetClassificationTypeForMarkdownToken(token.TokenType);
spans.Add(new ClassificationSpan(new SnapshotSpan(paragraph.Start + token.Span.Start, token.Span.Length), type));
}
return(spans);
}
IClassificationType GetClassificationTypeForMarkdownToken(MarkdownParser.TokenType tokenType)
{
int index = (int)tokenType;
if (index < 0 || index >= _tokenToClassificationType.Length || _tokenToClassificationType[index] == null)
throw new ArgumentException("Unable to find classification type for " + tokenType.ToString(), "tokenType");
return _tokenToClassificationType[index];
}