private void AdjustIndentation(IProjectionBuffer subjectBuffer, IEnumerable <int> visibleSpanIndex)
{
if (!visibleSpanIndex.Any())
{
return;
}
var snapshot = subjectBuffer.CurrentSnapshot;
var document = _workspace.CurrentSolution.GetDocument(this.Id);
if (!document.SupportsSyntaxTree)
{
return;
}
var originalText = document.GetTextSynchronously(CancellationToken.None);
Debug.Assert(object.ReferenceEquals(originalText, snapshot.AsText()));
var root = document.GetSyntaxRootSynchronously(CancellationToken.None);
var editorOptionsFactory = _componentModel.GetService <IEditorOptionsFactoryService>();
var editorOptions = editorOptionsFactory.GetOptions(DataBuffer);
var options = _workspace.Options
.WithChangedOption(FormattingOptions.NewLine, root.Language, editorOptions.GetNewLineCharacter())
.WithChangedOption(FormattingOptions.UseTabs, root.Language, !editorOptions.IsConvertTabsToSpacesEnabled())
.WithChangedOption(FormattingOptions.TabSize, root.Language, editorOptions.GetTabSize())
.WithChangedOption(FormattingOptions.IndentationSize, root.Language, editorOptions.GetIndentSize());
using (var pooledObject = SharedPools.Default <List <TextSpan> >().GetPooledObject())
{
var spans = pooledObject.Object;
spans.AddRange(this.GetEditorVisibleSpans());
using (var edit = subjectBuffer.CreateEdit(s_venusEditOptions, reiteratedVersionNumber: null, editTag: null))
{
foreach (var spanIndex in visibleSpanIndex)
{
var rule = GetBaseIndentationRule(root, originalText, spans, spanIndex);
var visibleSpan = spans[spanIndex];
AdjustIndentationForSpan(document, edit, visibleSpan, rule, options);
}
edit.Apply();
}
}
}
private static void ApplyChanges(
IProjectionBuffer subjectBuffer,
IEnumerable <TextChange> changes,
IList <TextSpan> visibleSpansInOriginal,
out IEnumerable <int> affectedVisibleSpansInNew)
{
using var edit = subjectBuffer.CreateEdit(s_venusEditOptions, reiteratedVersionNumber: null, editTag: null);
var affectedSpans = SharedPools.Default <HashSet <int> >().AllocateAndClear();
affectedVisibleSpansInNew = affectedSpans;
var currentVisibleSpanIndex = 0;
foreach (var change in changes)
{
// Find the next visible span that either overlaps or intersects with
while (currentVisibleSpanIndex < visibleSpansInOriginal.Count &&
visibleSpansInOriginal[currentVisibleSpanIndex].End < change.Span.Start)
{
currentVisibleSpanIndex++;
}
// no more place to apply text changes
if (currentVisibleSpanIndex >= visibleSpansInOriginal.Count)
{
break;
}
var newText = change.NewText;
var span = change.Span.ToSpan();
edit.Replace(span, newText);
affectedSpans.Add(currentVisibleSpanIndex);
}
edit.ApplyAndLogExceptions();
}
private void AdjustIndentation(IProjectionBuffer subjectBuffer, IEnumerable<int> visibleSpanIndex)
{
if (!visibleSpanIndex.Any())
{
return;
}
var snapshot = subjectBuffer.CurrentSnapshot;
var document = _workspace.CurrentSolution.GetDocument(this.Id);
if (!document.SupportsSyntaxTree)
{
return;
}
var originalText = document.GetTextAsync(CancellationToken.None).WaitAndGetResult(CancellationToken.None);
Contract.Requires(object.ReferenceEquals(originalText, snapshot.AsText()));
var root = document.GetSyntaxRootAsync(CancellationToken.None).WaitAndGetResult(CancellationToken.None);
var editorOptionsFactory = _componentModel.GetService<IEditorOptionsFactoryService>();
var editorOptions = editorOptionsFactory.GetOptions(_containedLanguage.DataBuffer);
var options = _workspace.Options
.WithChangedOption(FormattingOptions.UseTabs, root.Language, !editorOptions.IsConvertTabsToSpacesEnabled())
.WithChangedOption(FormattingOptions.TabSize, root.Language, editorOptions.GetTabSize())
.WithChangedOption(FormattingOptions.IndentationSize, root.Language, editorOptions.GetIndentSize());
using (var pooledObject = SharedPools.Default<List<TextSpan>>().GetPooledObject())
{
var spans = pooledObject.Object;
spans.AddRange(this.GetEditorVisibleSpans());
using (var edit = subjectBuffer.CreateEdit(s_venusEditOptions, reiteratedVersionNumber: null, editTag: null))
{
foreach (var spanIndex in visibleSpanIndex)
{
var rule = GetBaseIndentationRule(root, originalText, spans, spanIndex);
var visibleSpan = spans[spanIndex];
AdjustIndentationForSpan(document, edit, visibleSpan, rule, options);
}
edit.Apply();
}
}
}
private static void ApplyChanges(
IProjectionBuffer subjectBuffer,
IEnumerable<TextChange> changes,
IList<TextSpan> visibleSpansInOriginal,
out IEnumerable<int> affectedVisibleSpansInNew)
{
using (var edit = subjectBuffer.CreateEdit(s_venusEditOptions, reiteratedVersionNumber: null, editTag: null))
{
var affectedSpans = SharedPools.Default<HashSet<int>>().AllocateAndClear();
affectedVisibleSpansInNew = affectedSpans;
var currentVisibleSpanIndex = 0;
foreach (var change in changes)
{
// Find the next visible span that either overlaps or intersects with
while (currentVisibleSpanIndex < visibleSpansInOriginal.Count &&
visibleSpansInOriginal[currentVisibleSpanIndex].End < change.Span.Start)
{
currentVisibleSpanIndex++;
}
// no more place to apply text changes
if (currentVisibleSpanIndex >= visibleSpansInOriginal.Count)
{
break;
}
var newText = change.NewText;
var span = change.Span.ToSpan();
edit.Replace(span, newText);
affectedSpans.Add(currentVisibleSpanIndex);
}
edit.Apply();
}
}