public SarifLocationTextMarkerTagger(
ITextView textView,
ITextBuffer textBuffer,
IPersistentSpanFactory persistentSpanFactory,
ITextViewCaretListenerService <ITextMarkerTag> textViewCaretListenerService,
ISarifErrorListEventSelectionService sarifErrorListEventSelectionService)
{
ThreadHelper.ThrowIfNotOnUIThread();
if (!SdkUIUtilities.TryGetFileNameFromTextBuffer(textBuffer, out this.filePath))
{
throw new ArgumentException("Always expect to be able to get file name from text buffer.", nameof(textBuffer));
}
this.TextBuffer = textBuffer;
this.persistentSpanFactory = persistentSpanFactory;
this.sarifErrorListEventSelectionService = sarifErrorListEventSelectionService;
// Subscribe to the SARIF error item being selected from the error list
// so we can properly filter the tags being shown in the editor
// to the currently selected item.
this.sarifErrorListEventSelectionService.SelectedItemChanged += this.SelectedSarifItemChanged;
// Subscribe to the caret position so we can send enter and exit notifications
// to the tags so they can decide potentially change their colors.
textViewCaretListenerService.CreateListener(textView, this);
}
private void RefreshPersistentSpans()
{
ThreadHelper.ThrowIfNotOnUIThread();
// If this text buffer is not associated with a file, it cannot have any SARIF errors.
this.errorsInFile = SdkUIUtilities.TryGetFileNameFromTextBuffer(this.textBuffer, out string fileName)
? GetErrorsInFile(fileName)
: Enumerable.Empty <SarifErrorListItem>().ToList();
this.CalculatePersistentSpans(this.errorsInFile);
}
public SarifLocationErrorTagger(ITextBuffer textBuffer, IPersistentSpanFactory persistentSpanFactory, ISarifErrorListEventSelectionService sarifErrorListEventSelectionService)
{
ThreadHelper.ThrowIfNotOnUIThread();
if (!SdkUIUtilities.TryGetFileNameFromTextBuffer(textBuffer, out this.filePath))
{
throw new ArgumentException("Always expect to be able to get file name from text buffer.", nameof(textBuffer));
}
this.TextBuffer = textBuffer;
this.persistentSpanFactory = persistentSpanFactory;
this.sarifErrorListEventSelectionService = sarifErrorListEventSelectionService;
this.sarifErrorListEventSelectionService.SelectedItemChanged += this.SarifErrorListEventSelectionService_SelectedItemChanged;
}
#pragma warning restore IDE0044
#pragma warning restore CS0649
/// <inheritdoc/>
/// <remarks>
/// Note that Visual Studio's tagger aggregation expects and correctly handles null
/// if a tagger provider does not want to provide tags.
/// </remarks>
public ITagger <T> CreateTagger <T>(ITextView textView, ITextBuffer textBuffer)
where T : ITag
{
ThreadHelper.ThrowIfNotOnUIThread();
if (textView == null)
{
throw new ArgumentNullException(nameof(textView));
}
if (textBuffer == null)
{
throw new ArgumentNullException(nameof(textBuffer));
}
// The SARIF viewer needs a text buffer to have a file name in order to be able to associate a SARIF
// result location with the file. Visual Studio allows text buffers to be created at any time with our without a filename.
// So, if there is no file name, then do not create a tagger for this buffer.
if (!SdkUIUtilities.TryGetFileNameFromTextBuffer(textBuffer, out _))
{
return(null);
}
ISarifLocationTagger newTagger = null;
if (typeof(T) == typeof(IErrorTag))
{
newTagger = new SarifLocationErrorTagger(textBuffer, this.persistentSpanFactory, this.sarifErrorListEventSelectionService);
}
if (typeof(T) == typeof(ITextMarkerTag))
{
newTagger = new SarifLocationTextMarkerTagger(textView, textBuffer, this.persistentSpanFactory, this.textViewCaretListenerService, this.sarifErrorListEventSelectionService);
}
if (newTagger != null)
{
this.sarifLocationTaggerService.AddTagger(newTagger);
}
return(newTagger as ITagger <T>);
}