public virtual NormalizedSnapshotSpanCollection UncommentSpans([NotNull] NormalizedSnapshotSpanCollection spans)
{
Requires.NotNull(spans, nameof(spans));
List <SnapshotSpan> result = new List <SnapshotSpan>();
if (spans.Count == 0)
{
return(new NormalizedSnapshotSpanCollection());
}
var undoHistory = TextUndoHistoryRegistry.RegisterHistory(TextView);
using (var transaction = undoHistory.CreateTransaction("Uncomment Selection"))
{
ITextSnapshot snapshot = spans[0].Snapshot;
using (var edit = snapshot.TextBuffer.CreateEdit())
{
foreach (var span in spans)
{
var selection = UncommentSpan(span, edit);
result.Add(selection);
}
edit.Apply();
}
if (snapshot != TextView.TextSnapshot)
{
transaction.Complete();
}
}
if (result.Count > 1)
{
result.RemoveAll(span => span.IsEmpty);
}
var target = TextView.TextBuffer.CurrentSnapshot;
for (int i = 0; i < result.Count; i++)
{
result[i] = result[i].TranslateTo(target, SpanTrackingMode.EdgeInclusive);
}
return(new NormalizedSnapshotSpanCollection(result));
}
public void Execute(ITextView view, IEmacsCommandMetadata metadata, bool evaluateUniversalArgument = true)
{
try
{
changes = new StringBuilder();
view.TextBuffer.Changed += OnTextBufferChanged;
EmacsCommand command = CreateCommand(metadata);
EmacsCommand emacsCommand = null;
IEmacsCommandMetadata metadata1 = null;
var context = new EmacsCommandContext(this, TextStructureNavigatorSelectorService,
EditorOperationsFactoryService.GetEditorOperations(view), view,
CommandRouterProvider.GetCommandRouter(view));
if (ClipboardRing.Count == 0 || ClipboardRing.Last() != Clipboard.GetText())
{
ClipboardRing.Add(Clipboard.GetText());
}
if (command == null)
{
return;
}
ITextUndoHistory history = TextUndoHistoryRegistry.GetHistory(context.TextBuffer);
using (ITextUndoTransaction transaction = CreateTransaction(metadata, history))
{
int num = 1;
bool flag = false;
if (evaluateUniversalArgument)
{
flag = GetUniversalArgumentOrDefault(0) < 0;
if (flag)
{
metadata1 = GetCommandMetadata(metadata.InverseCommand);
emacsCommand = CreateCommand(metadata1);
}
if (metadata.CanBeRepeated)
{
num = Math.Abs(GetUniversalArgumentOrDefault(1));
}
}
for (; num > 0; --num)
{
if (flag)
{
if (emacsCommand != null)
{
emacsCommand.Execute(context);
}
else
{
command.ExecuteInverse(context);
}
}
else
{
command.Execute(context);
}
}
if (transaction != null)
{
transaction.Complete();
}
if (context.Clipboard.Length > 0)
{
ClipboardRing.Add(context.Clipboard.ToString());
Clipboard.SetText(context.Clipboard.ToString());
}
else if (changes.Length > 0 && metadata.CopyDeletedTextToTheClipboard)
{
ClipboardRing.Add(changes.ToString());
Clipboard.SetText(changes.ToString());
}
LastExecutedCommand = flag ? metadata1 : metadata;
}
}
catch (NoOperationException ex)
{
}
finally
{
view.TextBuffer.Changed -= OnTextBufferChanged;
}
}
