public ISmartIndent CreateSmartIndent(ITextView textView)
{
return(new SmartIndent(
textView,
_editorOptionsFactory.GetOptions(textView),
_taggerProvider == null ? null : _taggerProvider.CreateTagger <ClassificationTag>(textView.TextBuffer)));
}
internal IList <ITagger <T> > GatherTaggers(ITextBuffer textBuffer)
{
List <ITagger <T> > newTaggers = new List <ITagger <T> >();
var bufferTaggerFactories = this.TagAggregatorFactoryService.GuardedOperations.FindEligibleFactories(this.TagAggregatorFactoryService.GetBufferTaggersForType(textBuffer.ContentType, typeof(T)),
textBuffer.ContentType,
this.TagAggregatorFactoryService.ContentTypeRegistryService);
foreach (var factory in bufferTaggerFactories)
{
ITaggerProvider provider = null;
ITagger <T> tagger = null;
try
{
provider = factory.Value;
tagger = provider.CreateTagger <T>(textBuffer);
}
catch (Exception e)
{
object errorSource = (provider != null) ? (object)provider : factory;
this.TagAggregatorFactoryService.GuardedOperations.HandleException(errorSource, e);
}
this.RegisterTagger(tagger, newTaggers);
}
if (this.textView != null)
{
var viewTaggerFactories = this.TagAggregatorFactoryService.GuardedOperations.FindEligibleFactories(this.TagAggregatorFactoryService.GetViewTaggersForType(textBuffer.ContentType, typeof(T)).Where(f =>
(f.Metadata.TextViewRoles == null) || this.textView.Roles.ContainsAny(f.Metadata.TextViewRoles)),
textBuffer.ContentType,
this.TagAggregatorFactoryService.ContentTypeRegistryService);
foreach (var factory in viewTaggerFactories)
{
IViewTaggerProvider provider = null;
ITagger <T> tagger = null;
try
{
provider = factory.Value;
tagger = provider.CreateTagger <T>(this.textView, textBuffer);
}
catch (Exception e)
{
object errorSource = (provider != null) ? (object)provider : factory;
this.TagAggregatorFactoryService.GuardedOperations.HandleException(errorSource, e);
}
this.RegisterTagger(tagger, newTaggers);
}
}
return(newTaggers);
}
/// <summary>
/// Creating an ITagger for an ITaggerProvider can fail in a number of ways. Wrap them
/// all up here
/// </summary>
public static Result <ITagger <T> > SafeCreateTagger <T>(this ITaggerProvider taggerProvider, ITextBuffer textbuffer)
where T : ITag
{
try
{
var tagger = taggerProvider.CreateTagger <T>(textbuffer);
if (tagger == null)
{
return(Result.Error);
}
return(Result.CreateSuccess(tagger));
}
catch (Exception e)
{
return(Result.CreateError(e));
}
}
private IEnumerable <ITagSpan <TTag> > GetVsTagSpans <TTag>(IWpfTextView textView, ITaggerProvider taggerProvider) where TTag : ITag
{
var tagger = taggerProvider.CreateTagger <TTag>(textView.TextBuffer);
return(GetVsTagSpans <TTag, ITagger <TTag> >(textView, tagger));
}
