public ITagger <T> CreateTagger <T>(ITextView textView, ITextBuffer buffer) where T : ITag
{
if (s_paramStorageClassification == null)
{
s_paramStorageClassification = ClassificationRegistry.GetClassificationType("ParamStorageClassificationVisualD");
}
if (textView == null)
{
throw new ArgumentNullException("textView");
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (buffer != textView.TextBuffer)
{
return(null);
}
return(ParamStorageAdornmentTagger.GetTagger(
(IWpfTextView)textView, FormatMapService.GetEditorFormatMap(textView),
new Lazy <ITagAggregator <ParamStorageTag> >(
() => BufferTagAggregatorFactoryService.CreateTagAggregator <ParamStorageTag>(textView.TextBuffer)))
as ITagger <T>);
}
public void UpdateStcSpans()
{
int[] stcLocs;
bool pending;
int changeCount;
ParamStorageAdornmentTagger.GetParameterStorageLocations(_fileName, out stcLocs, out pending, out changeCount);
if (pending && _stcLocs != null)
{
return;
}
if (_pendingSnapshot == null && _changeCount == changeCount)
{
return;
}
if (stcLocs != null)
{
int j = 0;
for (int i = 0; i + 2 < stcLocs.Length; i += 3)
{
if (stcLocs[i] >= 0 && stcLocs[i] <= 2)
{
if (stcLocs[i + 1] >= _currentSnapshot.LineCount)
{
continue;
}
var line = _currentSnapshot.GetLineFromLineNumber(stcLocs[i + 1] - 1);
stcLocs[j] = stcLocs[i];
stcLocs[j + 1] = line.Start.Position + stcLocs[i + 2];
j += 2;
}
}
Array.Resize(ref stcLocs, j);
}
_stcLocs = stcLocs;
_changeCount = changeCount;
if (!pending)
{
_pendingSnapshot = null;
}
}
