internal PersistentSpan(Span span, SpanTrackingMode trackingMode, PersistentSpanSet spanSet)
{
_useLineIndex = false;
_originalSpan = span;
_trackingMode = trackingMode;
this.SpanSet = spanSet;
}
internal void SetSpanSet(PersistentSpanSet spanSet)
{
if (this.SpanSet == null)
{
throw new ObjectDisposedException("PersistentSpan");
}
this.SpanSet = spanSet;
}
public void Dispose()
{
if (this.SpanSet != null)
{
this.SpanSet.Delete(this);
this.SpanSet = null;
_originalVersion = null;
_span = null;
}
}
internal PersistentSpan(int startLine, int startIndex, int endLine, int endIndex, SpanTrackingMode trackingMode, PersistentSpanSet spanSet)
{
_useLineIndex = true;
_startLine = startLine;
_startIndex = startIndex;
_endLine = endLine;
_endIndex = endIndex;
_trackingMode = trackingMode;
this.SpanSet = spanSet;
}
internal void Delete(PersistentSpanSet spanSet, PersistentSpan span)
{
lock (_spansOnDocuments)
{
if (spanSet.Spans.Remove(span) && (spanSet.Spans.Count == 0))
{
_spansOnDocuments.Remove(((object)(spanSet.Document)) ?? spanSet.FileKey);
spanSet.Dispose();
}
}
}
internal PersistentSpan(SnapshotSpan span, SpanTrackingMode trackingMode, PersistentSpanSet spanSet)
{
_span = span.Snapshot.CreateTrackingSpan(span, trackingMode);
_originalVersion = span.Snapshot.Version;
_originalSpan = span;
PersistentSpan.SnapshotPointToLineIndex(span.Start, out _startLine, out _startIndex);
PersistentSpan.SnapshotPointToLineIndex(span.End, out _endLine, out _endIndex);
_trackingMode = trackingMode;
this.SpanSet = spanSet;
}
} //For unit tests
private PersistentSpanSet GetOrCreateSpanSet(FileNameKey filePath, ITextDocument document)
{
object key = ((object)document) ?? filePath;
if (!_spansOnDocuments.TryGetValue(key, out PersistentSpanSet spanSet))
{
if (!_eventsHooked)
{
_eventsHooked = true;
this.TextDocumentFactoryService.TextDocumentCreated += OnTextDocumentCreated;
this.TextDocumentFactoryService.TextDocumentDisposed += OnTextDocumentDisposed;
}
spanSet = new PersistentSpanSet(filePath, document, this);
_spansOnDocuments.Add(key, spanSet);
}
return(spanSet);
}
internal void DocumentRenamed(PersistentSpanSet spanSet)
{
lock (_spansOnDocuments)
{
if (_spansOnDocuments.TryGetValue(spanSet.FileKey, out PersistentSpanSet existingSpansOnPath))
{
// There were spans on a closed document with the same name as this one. Move all of those spans to this one
// and "open" them (note that this will probably do bad things to their positions but it is the best we
// can do).
foreach (var s in existingSpansOnPath.Spans)
{
s.SetSpanSet(spanSet);
spanSet.Spans.Add(s);
s.DocumentReopened();
}
existingSpansOnPath.Spans.Clear();
existingSpansOnPath.Dispose();
}
}
}
