private IEnumerable <ITagSpan <TTag> > GetTags(NormalizedSnapshotSpanCollection col)
{
AdjustRequestSpan(col);
if (col.Count == 0)
{
return(Enumerable.Empty <ITagSpan <TTag> >());
}
// Even though it's easier don't do a GetTags request for the overarching SnapshotSpan
// of the request. It's possible for the overarching SnapshotSpan to have an order
// magnitudes more lines than the items in the collection. This is very possible when
// large folded regions or on screen. Instead just request the individual ones
return(col.Count == 1
? _basicTaggerSource.GetTags(col[0])
: col.SelectMany(_basicTaggerSource.GetTags));
}
private IEnumerable <ITagSpan <TextMarkerTag> > GetTags()
{
return(_taggerSource.GetTags(_textView.TextSnapshot.GetExtent()));
}