/// <summary>
/// Find the Error tokens in the set of all tokens and create an ErrorTag for each
/// </summary>
public IEnumerable <ITagSpan <ErrorTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
foreach (var tagSpan in this._aggregator.GetTags(spans))
{
if (tagSpan.Tag.type == PkgDefLanguageTokens.Error)
{
var tagSpans = tagSpan.Span.GetSpans(spans[0].Snapshot);
PkgDefErrorTag tag = tagSpan.Tag as PkgDefErrorTag;
yield return(new TagSpan <ErrorTag>(tagSpans[0], new ErrorTag("error", tag.message)));
}
}
}
#pragma warning restore
/// <summary>
/// Updates the Error List by clearing our items and adding any errors found in the current set of tags
/// </summary>
void ReparseFile(object sender, EventArgs args)
{
ITextSnapshot snapshot = _buffer.CurrentSnapshot;
NormalizedSnapshotSpanCollection spans = new NormalizedSnapshotSpanCollection(new SnapshotSpan(snapshot, 0, snapshot.Length));
_errorProvider.Tasks.Clear();
foreach (var tagSpan in this._aggregator.GetTags(spans))
{
if (tagSpan.Tag.type == PkgDefLanguageTokens.Error)
{
var tagSpans = tagSpan.Span.GetSpans(spans[0].Snapshot);
PkgDefErrorTag tag = tagSpan.Tag as PkgDefErrorTag;
AddErrorTask(tagSpans[0], tag);
}
}
}
/// <summary>
/// Add one task to the Error List based on the given tag
/// </summary>
private void AddErrorTask(SnapshotSpan span, PkgDefErrorTag tag)
{
if (_errorProvider != null)
{
ErrorTask task = new ErrorTask();
task.CanDelete = true;
if (_document != null)
{
task.Document = _document.FilePath;
}
task.ErrorCategory = TaskErrorCategory.Error;
task.Text = tag.message;
task.Line = span.Start.GetContainingLine().LineNumber;
task.Column = span.Start.Position - span.Start.GetContainingLine().Start.Position;
task.Navigate += new EventHandler(task_Navigate);
_errorProvider.Tasks.Add(task);
}
}