public ElisionBuffer(IProjectionEditResolver resolver,
IContentType contentType,
ITextBuffer sourceBuffer,
NormalizedSpanCollection exposedSpans,
ElisionBufferOptions options,
ITextDifferencingService textDifferencingService,
GuardedOperations guardedOperations)
: base(resolver, contentType, textDifferencingService, guardedOperations)
{
Debug.Assert(sourceBuffer != null);
this.sourceBuffer = sourceBuffer;
this.sourceSnapshot = sourceBuffer.CurrentSnapshot;
BaseBuffer baseSourceBuffer = (BaseBuffer)sourceBuffer;
this.eventHook = new WeakEventHook(this, baseSourceBuffer);
this.group = baseSourceBuffer.group;
this.group.AddMember(this);
this.content = new ElisionMap(this.sourceSnapshot, exposedSpans);
StringRebuilder newBuilder = StringRebuilder.Empty;
for (int i = 0; (i < exposedSpans.Count); ++i)
{
newBuilder = newBuilder.Append(BufferFactoryService.StringRebuilderFromSnapshotAndSpan(this.sourceSnapshot, exposedSpans[i]));
}
this.builder = newBuilder;
this.elisionOptions = options;
this.currentVersion.SetLength(content.Length);
this.currentElisionSnapshot = new ElisionSnapshot(this, this.sourceSnapshot, base.currentVersion, this.builder, this.content, (options & ElisionBufferOptions.FillInMappingMode) != 0);
this.currentSnapshot = this.currentElisionSnapshot;
}
public IElisionBuffer CreateElisionBuffer(IProjectionEditResolver projectionEditResolver,
NormalizedSnapshotSpanCollection exposedSpans,
ElisionBufferOptions options,
IContentType contentType)
{
// projectionEditResolver is allowed to be null.
if (exposedSpans == null)
{
throw new ArgumentNullException(nameof(exposedSpans));
}
if (exposedSpans.Count == 0)
{
throw new ArgumentOutOfRangeException(nameof(exposedSpans)); // really?
}
if (contentType == null)
{
throw new ArgumentNullException(nameof(contentType));
}
if (exposedSpans[0].Snapshot != exposedSpans[0].Snapshot.TextBuffer.CurrentSnapshot)
{
// TODO:
// build against given snapshot and then move forward if necessary?
throw new ArgumentException("Elision buffer must be created against the current snapshot of its source buffer");
}
IElisionBuffer buffer = new ElisionBuffer(projectionEditResolver, contentType, exposedSpans[0].Snapshot.TextBuffer,
exposedSpans, options, _textDifferencingSelectorService.DefaultTextDifferencingService, _guardedOperations);
RaiseProjectionBufferCreatedEvent(buffer);
return(buffer);
}
public ElisionBuffer(IProjectionEditResolver resolver,
IContentType contentType,
ITextBuffer sourceBuffer,
NormalizedSpanCollection exposedSpans,
ElisionBufferOptions options,
ITextDifferencingService textDifferencingService,
GuardedOperations guardedOperations)
: base(resolver, contentType, textDifferencingService, guardedOperations)
{
Debug.Assert(sourceBuffer != null);
this.sourceBuffer = sourceBuffer;
this.sourceSnapshot = sourceBuffer.CurrentSnapshot;
BaseBuffer baseSourceBuffer = (BaseBuffer)sourceBuffer;
this.eventHook = new WeakEventHook(this, baseSourceBuffer);
this.group = baseSourceBuffer.group;
this.group.AddMember(this);
this.content = new ElisionMap(this.sourceSnapshot, exposedSpans);
this.elisionOptions = options;
this.currentVersion.InternalLength = content.Length;
this.currentElisionSnapshot = new ElisionSnapshot(this, this.sourceSnapshot, base.currentVersion, this.content, (options & ElisionBufferOptions.FillInMappingMode) != 0);
this.currentSnapshot = this.currentElisionSnapshot;
}
public IElisionBuffer CreateElisionBuffer(IProjectionEditResolver projectionEditResolver,
NormalizedSnapshotSpanCollection exposedSpans,
ElisionBufferOptions options)
{
return(CreateElisionBuffer(projectionEditResolver, exposedSpans, options, ProjectionContentType));
}
