private bool IsMarkup(IContentType contentType)
{
return(CommentTagger.IsHtmlMarkup(contentType) || CommentTagger.IsXmlMarkup(contentType));
}
private IEnumerable <ITagSpan <ClassificationTag> > GetTagsInternal(NormalizedSnapshotSpanCollection spans)
{
if (!CommentTagger._enabled || spans.Count == 0)
{
return(CommentTagger.EmptyTags);
}
ITextSnapshot snapshot = spans[0].Snapshot;
IContentType contentType = snapshot.TextBuffer.ContentType;
if (!contentType.IsOfType("code"))
{
return(CommentTagger.EmptyTags);
}
bool flag = this.IsMarkup(contentType);
Dictionary <Classification, ClassificationTag> dictionary = this._classifications;
if (CommentTagger.IsHtmlMarkup(contentType))
{
dictionary = this._htmlClassifications;
}
else if (CommentTagger.IsXmlMarkup(contentType))
{
dictionary = this._xmlClassifications;
}
List <ITagSpan <ClassificationTag> > list = null;
foreach (IMappingTagSpan <IClassificationTag> current in this._aggregator.GetTags(spans))
{
string classification = current.Tag.ClassificationType.Classification;
if (classification.Contains("comment", StringComparison.OrdinalIgnoreCase))
{
NormalizedSnapshotSpanCollection spans2 = current.Span.GetSpans(snapshot);
if (spans2.Count > 0)
{
SnapshotSpan snapshotSpan = spans2[0];
string text = snapshotSpan.GetText();
if (!string.IsNullOrWhiteSpace(text))
{
string text2 = text.StartsWithOneOf(CommentTagger.Comments, StringComparison.Ordinal);
if (text2 == null)
{
if (!flag)
{
continue;
}
text2 = "";
}
int length = text2.Length;
int num = 0;
if (flag && text2.Length > 0)
{
if (!text.EndsWith("-->"))
{
continue;
}
num = 3;
}
ClassificationTag classificationTag = null;
string text3;
if (CommentTagger.Match(text, length, CommentTagger.ImportantComments, out text3))
{
classificationTag = dictionary[Classification.Important];
}
else if (CommentTagger.Match(text, length, CommentTagger.QuestionComments, out text3))
{
classificationTag = dictionary[Classification.Question];
}
else if (CommentTagger.Match(text, length, CommentTagger.RemovedComments, out text3))
{
if (text2 == "//" && text3 == "//")
{
int num2 = length + text3.Length;
if (text.Length > num2 && text[num2] != '/')
{
classificationTag = dictionary[Classification.Removed];
}
}
else
{
classificationTag = dictionary[Classification.Removed];
}
}
else if (CommentTagger.Match(text, length, CommentTagger.TaskComments, StringComparison.OrdinalIgnoreCase, out text3))
{
CommentTagger.FixTaskComment(text, length, ref text3);
classificationTag = dictionary[Classification.Task];
}
else if (CommentTagger.Match(text, length, CommentTagger.WtfComments, out text3))
{
classificationTag = dictionary[Classification.Wtf];
}
if (classificationTag != null)
{
int num3 = text2.Length + text3.Length;
int num4 = snapshotSpan.Length - (num3 + num);
SnapshotSpan snapshotSpan2 = new SnapshotSpan(snapshotSpan.Snapshot, snapshotSpan.Start + num3, num4);
TagSpan <ClassificationTag> item = new TagSpan <ClassificationTag>(snapshotSpan2, classificationTag);
if (list == null)
{
list = new List <ITagSpan <ClassificationTag> >();
}
list.Add(item);
}
}
}
}
}
return(list ?? CommentTagger.EmptyTags);
}