public static ITextBuffer ToITextBuffer(this IVsTextLayer vsTextLayer)
{
IVsTextLines vsTextLines;
vsTextLayer.GetBaseBuffer(out vsTextLines);
return(vsTextLines.ToITextBuffer());
}
private bool TryGetLineIndentation(IVsTextLayer vsTextLayer, IVsLanguageLineIndent vsLineIdent, int lineNumber, out int preferredIndentation)
{
if (ErrorHandler.Failed(vsLineIdent.GetIndentPosition(vsTextLayer, lineNumber, out preferredIndentation)))
{
preferredIndentation = 0;
return(false);
}
return(true);
}
public int Format(IVsTextLayer textLayer, TextSpan[] selections)
{
var waitIndicator = this.Package.ComponentModel.GetService <IWaitIndicator>();
var result = VSConstants.S_OK;
waitIndicator.Wait(
"Intellisense",
allowCancel: true,
action: c => result = FormatWorker(textLayer, selections, c.CancellationToken));
return(result);
}
public bool TryGetLineIndentation(ITextSnapshotLine line, out int preferredIndentation)
{
IVsTextLayer vsTextLayer = this.subjectBuffer.ToIVsTextBuffer() as IVsTextLayer;
IVsLanguageLineIndent vsLanguageLineIndent = this.VsLanguageLineIndent;
if ((vsLanguageLineIndent != null) && (vsTextLayer != null))
{
return(this.TryGetLineIndentation(vsTextLayer, vsLanguageLineIndent, line.LineNumber, out preferredIndentation));
}
preferredIndentation = 0;
return(false);
}
public bool TryGetLineIndentation(ITextSnapshotLine line, IEditorOptions options, out string indentationString)
{
IVsTextLayer vsTextLayer = this.subjectBuffer.ToIVsTextBuffer() as IVsTextLayer;
IVsLanguageLineIndent vsLanguageLineIndent = this.VsLanguageLineIndent;
if ((vsLanguageLineIndent != null) && (vsTextLayer != null))
{
return(this.TryGetLineIndentation(vsTextLayer, vsLanguageLineIndent, options, line.LineNumber, out indentationString));
}
indentationString = string.Empty;
return(false);
}
private bool TryGetLineIndentation(IVsTextLayer vsTextLayer, IVsLanguageLineIndent vsLineIdent, IEditorOptions options, int lineNumber, out string indentationString)
{
int num;
if (!this.TryGetLineIndentation(vsTextLayer, vsLineIdent, lineNumber, out num))
{
indentationString = string.Empty;
return(false);
}
indentationString = this.GetIndentationString(options, num);
return(true);
}
private int FormatWorker(IVsTextLayer textLayer, TextSpan[] selections, CancellationToken cancellationToken)
{
var textBuffer = this.EditorAdaptersFactoryService.GetDataBuffer((IVsTextBuffer)textLayer);
if (textBuffer == null)
{
return(VSConstants.E_UNEXPECTED);
}
var document = textBuffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
return(VSConstants.E_FAIL);
}
var documentSyntax = ParsedDocument.CreateSynchronously(document, cancellationToken);
var text = documentSyntax.Text;
var root = documentSyntax.Root;
var formattingOptions = textBuffer.GetSyntaxFormattingOptions(EditorOptionsService, document.Project.LanguageServices, explicitFormat: true);
var ts = selections.Single();
var start = text.Lines[ts.iStartLine].Start + ts.iStartIndex;
var end = text.Lines[ts.iEndLine].Start + ts.iEndIndex;
var adjustedSpan = GetFormattingSpan(root, start, end);
// Since we know we are on the UI thread, lets get the base indentation now, so that there is less
// cleanup work to do later in Venus.
var ruleFactory = Workspace.Services.GetService <IHostDependentFormattingRuleFactoryService>();
var rules = ruleFactory.CreateRule(documentSyntax, start).Concat(Formatter.GetDefaultFormattingRules(document.Project.Services));
// use formatting that return text changes rather than tree rewrite which is more expensive
var formatter = document.GetRequiredLanguageService <ISyntaxFormattingService>();
var originalChanges = formatter.GetFormattingResult(root, SpecializedCollections.SingletonEnumerable(adjustedSpan), formattingOptions, rules, cancellationToken)
.GetTextChanges(cancellationToken);
var originalSpan = RoslynTextSpan.FromBounds(start, end);
var formattedChanges = ruleFactory.FilterFormattedChanges(document.Id, originalSpan, originalChanges);
if (formattedChanges.IsEmpty())
{
return(VSConstants.S_OK);
}
// create new formatted document
var formattedDocument = document.WithText(text.WithChanges(formattedChanges));
Workspace.ApplyDocumentChanges(formattedDocument, cancellationToken);
return(VSConstants.S_OK);
}
public int Format(IVsTextLayer textLayer, TextSpan[] selections)
{
var result = VSConstants.S_OK;
var uiThreadOperationExecutor = this.Package.ComponentModel.GetService <IUIThreadOperationExecutor>();
uiThreadOperationExecutor.Execute(
"Intellisense",
defaultDescription: "",
allowCancellation: true,
showProgress: false,
action: c => result = FormatWorker(textLayer, selections, c.UserCancellationToken));
return(result);
}
private bool TryFormat(IVsTextLayer vsTextLayer, IVsLanguageTextOps languageTextOp, SnapshotSpan span)
{
return(false);
//Position position = span.Start.ToCSharpPosition(null);
//Position position2 = span.End.ToCSharpPosition(null);
//TextSpan[] ptsSel = new TextSpan[1];
//TextSpan span2 = new TextSpan
//{
// iStartLine = position.Line,
// iStartIndex = position.Character,
// iEndLine = position2.Line,
// iEndIndex = position2.Character
//};
//ptsSel[0] = span2;
//return ErrorHandler.Succeeded(languageTextOp.Format(vsTextLayer, ptsSel));
}
private int FormatWorker(IVsTextLayer textLayer, TextSpan[] selections, CancellationToken cancellationToken)
{
var textBuffer = this.EditorAdaptersFactoryService.GetDataBuffer((IVsTextBuffer)textLayer);
if (textBuffer == null)
{
return(VSConstants.E_UNEXPECTED);
}
var document = textBuffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
return(VSConstants.E_FAIL);
}
var text = document.GetTextAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var root = document.GetSyntaxRootAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var ts = selections.Single();
int start = text.Lines[ts.iStartLine].Start + ts.iStartIndex;
int end = text.Lines[ts.iEndLine].Start + ts.iEndIndex;
var adjustedSpan = GetFormattingSpan(root, start, end);
// Since we know we are on the UI thread, lets get the base indentation now, so that there is less
// cleanup work to do later in Venus.
var ruleFactory = this.Workspace.Services.GetService <IHostDependentFormattingRuleFactoryService>();
var rules = ruleFactory.CreateRule(document, start).Concat(Formatter.GetDefaultFormattingRules(document));
// use formatting that return text changes rather than tree rewrite which is more expensive
var originalChanges = Formatter.GetFormattedTextChanges(root, adjustedSpan, document.Project.Solution.Workspace, rules: rules, cancellationToken: cancellationToken);
var originalSpan = RoslynTextSpan.FromBounds(start, end);
var formattedChanges = ruleFactory.FilterFormattedChanges(document, originalSpan, originalChanges);
if (formattedChanges.IsEmpty())
{
return(VSConstants.S_OK);
}
// create new formatted document
var formattedDocument = document.WithText(text.WithChanges(formattedChanges));
formattedDocument.Project.Solution.Workspace.ApplyDocumentChanges(formattedDocument, cancellationToken);
return(VSConstants.S_OK);
}
public virtual int GetPairExtent(IVsTextLayer textLayer, TextAddress textAddress, TextSpan[] span) => VSConstants.E_NOTIMPL;
int IVsLanguageTextOps.GetDataTip(IVsTextLayer pTextLayer, TextSpan[] ptsSel, TextSpan[] ptsTip, out string pbstrText)
{
pbstrText = string.Empty;
return(VSConstants.E_NOTIMPL);
}
public int GetPairExtent(IVsTextLayer pTextLayer, TextAddress ta, TextSpan[] pts)
{
return(VSConstants.E_NOTIMPL);
}
public int Format(IVsTextLayer pTextLayer, TextSpan[] ptsSel)
{
return(VSConstants.E_NOTIMPL);
}
public int GetDataTip(IVsTextLayer pTextLayer, TextSpan[] ptsSel, TextSpan[] ptsTip, out string pbstrText)
{
pbstrText = null;
return FAILED;
}
public int GetWordExtent(IVsTextLayer pTextLayer, TextAddress ta, WORDEXTFLAGS flags, TextSpan[] pts)
{
return FAILED;
}
public virtual int GetWordExtent(IVsTextLayer textLayer, TextAddress textAddress, WORDEXTFLAGS flags, TextSpan[] span) {
return VSConstants.E_NOTIMPL;
}
public int Format(IVsTextLayer pTextLayer, TextSpan[] ptsSel)
{
return failed;
}
public virtual int GetDataTip(IVsTextLayer textLayer, TextSpan[] span, TextSpan[] tipSpan, out string text) {
text = null;
return VSConstants.E_NOTIMPL;
}
public virtual int GetPairExtent(IVsTextLayer textLayer, TextAddress textAddress, TextSpan[] span) {
return VSConstants.E_NOTIMPL;
}
public virtual int Format(IVsTextLayer textLayer, TextSpan[] span) {
return VSConstants.E_NOTIMPL;
}
int IVsLanguageTextOps.GetWordExtent(IVsTextLayer pTextLayer, TextAddress ta, WORDEXTFLAGS flags, TextSpan[] pts)
{
return(VSConstants.E_NOTIMPL);
}
int IVsLanguageTextOps.GetPairExtent(IVsTextLayer pTextLayer, TextAddress ta, TextSpan[] pts)
{
return(VSConstants.E_NOTIMPL);
}
public int GetWordExtent(IVsTextLayer pTextLayer, TextAddress ta, WORDEXTFLAGS flags, TextSpan[] pts)
{
return(failed);
}
int IVsLanguageTextOps.Format(IVsTextLayer pTextLayer, TextSpan[] ptsSel)
{
return VSConstants.E_NOTIMPL;
}
public int GetWordExtent(IVsTextLayer textLayer, TextAddress ta, WORDEXTFLAGS flags, TextSpan[] textSpan) => VSConstants.E_NOTIMPL;
int IVsLanguageTextOps.GetDataTip(IVsTextLayer pTextLayer, TextSpan[] ptsSel, TextSpan[] ptsTip, out string pbstrText)
{
pbstrText = string.Empty;
return VSConstants.E_NOTIMPL;
}
public int Format(IVsTextLayer pTextLayer, TextSpan[] ptsSel)
{
return FAILED;
}
int IVsLanguageTextOps.GetPairExtent(IVsTextLayer pTextLayer, TextAddress ta, TextSpan[] pts)
{
return VSConstants.E_NOTIMPL;
}
public int GetPairExtent(IVsTextLayer pTextLayer, TextAddress ta, TextSpan[] pts)
{
return FAILED;
}
int IVsLanguageTextOps.GetWordExtent(IVsTextLayer pTextLayer, TextAddress ta, WORDEXTFLAGS flags, TextSpan[] pts)
{
return VSConstants.E_NOTIMPL;
}
/// <summary>
/// Displays a tip over a span of text when the mouse hovers over this location.
/// </summary>
/// <param name="pTextLayer">[in] An <see cref="T:Microsoft.VisualStudio.TextManager.Interop.IVsTextLayer"/> object representing the text file.</param>
/// <param name="ptsSel">[in] Span of text relevant to the specified text layer. For more information, see <see cref="T:Microsoft.VisualStudio.TextManager.Interop.TextSpan"/>.</param>
/// <param name="ptsTip">[out] Returns a span of text to center the tip over. For more information, see <see cref="N:Microsoft.VisualStudio.TextManager.Interop"/>.</param>
/// <param name="pbstrText">[out] Returns the text of the tip to display.</param>
/// <returns>
/// If the method succeeds, it returns <see cref="F:Microsoft.VisualStudio.VSConstants.S_OK"/>. If it fails, it returns an error code.
/// </returns>
public int GetDataTip(IVsTextLayer pTextLayer, TextSpan[] ptsSel, TextSpan[] ptsTip, out string pbstrText)
{
pbstrText = "";
return(VSConstants.E_NOTIMPL);
}
public int GetPairExtent(IVsTextLayer pTextLayer, TextAddress ta, TextSpan[] pts)
{
return VSConstants.E_NOTIMPL;
}
public int GetWordExtent(IVsTextLayer pTextLayer, TextAddress ta, WORDEXTFLAGS flags, TextSpan[] pts)
{
return(VSConstants.E_NOTIMPL);
}
public int GetIndentPosition(IVsTextLayer pBaseLayer, int BaseBufferLineIndex, out int pIndentPosition)
{
pIndentPosition = 4;
return(VSConstants.S_OK);
}
public virtual int Format(IVsTextLayer textLayer, TextSpan[] span) => VSConstants.E_NOTIMPL;
public int GetDataTip(IVsTextLayer pTextLayer, TextSpan[] ptsSel, TextSpan[] ptsTip, out string pbstrText)
{
pbstrText = null;
return(failed);
}
public int GetIndentPosition(IVsTextLayer pBaseLayer, int BaseBufferLineIndex, out int pIndentPosition)
{
throw new NotImplementedException();
}
int IVsLanguageTextOps.Format(IVsTextLayer pTextLayer, TextSpan[] ptsSel)
{
return(VSConstants.E_NOTIMPL);
}
public int Format(IVsTextLayer pTextLayer, TextSpan[] ptsSel)
{
return(failed);
}
/// <summary>
/// Displays a tip over a span of text when the mouse hovers over this location.
/// </summary>
/// <param name="pTextLayer">[in] An <see cref="T:Microsoft.VisualStudio.TextManager.Interop.IVsTextLayer"/> object representing the text file.</param>
/// <param name="ptsSel">[in] Span of text relevant to the specified text layer. For more information, see <see cref="T:Microsoft.VisualStudio.TextManager.Interop.TextSpan"/>.</param>
/// <param name="ptsTip">[out] Returns a span of text to center the tip over. For more information, see <see cref="N:Microsoft.VisualStudio.TextManager.Interop"/>.</param>
/// <param name="pbstrText">[out] Returns the text of the tip to display.</param>
/// <returns>
/// If the method succeeds, it returns <see cref="F:Microsoft.VisualStudio.VSConstants.S_OK"/>. If it fails, it returns an error code.
/// </returns>
public int GetDataTip(IVsTextLayer pTextLayer, TextSpan[] ptsSel, TextSpan[] ptsTip, out string pbstrText)
{
pbstrText = "";
return VSConstants.E_NOTIMPL;
}
public int GetPairExtent(IVsTextLayer pTextLayer, TextAddress ta, TextSpan[] pts)
{
return(failed);
}
public int Format(IVsTextLayer pTextLayer, TextSpan[] ptsSel)
{
return VSConstants.E_NOTIMPL;
}
public int GetPairExtent(IVsTextLayer textLayer, TextAddress ta, TextSpan[] textSpan) => VSConstants.E_NOTIMPL;
public virtual int GetWordExtent(IVsTextLayer textLayer, TextAddress textAddress, WORDEXTFLAGS flags, TextSpan[] span)
{
return(VSConstants.E_NOTIMPL);
}
public virtual int Format(IVsTextLayer textLayer, TextSpan[] span)
{
return(VSConstants.E_NOTIMPL);
}
public int GetWordExtent(IVsTextLayer pTextLayer, TextAddress ta, WORDEXTFLAGS flags, TextSpan[] pts)
{
return VSConstants.E_NOTIMPL;
}
