internal void ComputeSourceEdits(FrugalList <TextChange> changes)
{
ITextEdit xedit = this.group.GetEdit((BaseBuffer)this.sourceBuffer);
foreach (TextChange change in changes)
{
if (change.OldLength > 0)
{
IList <SnapshotSpan> sourceDeletionSpans = this.currentElisionSnapshot.MapToSourceSnapshots(new Span(change.OldPosition, change.OldLength));
foreach (SnapshotSpan sourceDeletionSpan in sourceDeletionSpans)
{
xedit.Delete(sourceDeletionSpan);
}
}
if (change.NewLength > 0)
{
// change includes an insertion
ReadOnlyCollection <SnapshotPoint> sourceInsertionPoints = this.currentElisionSnapshot.MapInsertionPointToSourceSnapshots(change.OldPosition, null);
if (sourceInsertionPoints.Count == 1)
{
// the insertion point is unambiguous
xedit.Insert(sourceInsertionPoints[0].Position, change.NewText);
}
else
{
// the insertion is at the boundary of source spans
int[] insertionSizes = new int[sourceInsertionPoints.Count];
if (this.resolver != null)
{
this.resolver.FillInInsertionSizes(new SnapshotPoint(this.currentElisionSnapshot, change.OldPosition),
sourceInsertionPoints, change.NewText, insertionSizes);
}
// if resolver was not provided, we just use zeros for the insertion sizes, which will push the entire insertion
// into the last slot.
int pos = 0;
for (int i = 0; i < insertionSizes.Length; ++i)
{
// contend with any old garbage that the client passed back.
int size = (i == insertionSizes.Length - 1)
? change.NewLength - pos
: Math.Min(insertionSizes[i], change.NewLength - pos);
if (size > 0)
{
xedit.Insert(sourceInsertionPoints[i].Position, TextChange.ChangeNewSubstring(change, pos, size));
pos += size;
if (pos == change.NewLength)
{
break; // inserted text is used up, whether we've visited all of the insertionSizes or not
}
}
}
}
}
}
this.editApplicationInProgress = true;
}
/// <summary>
/// Comment out a span of text using the specified block comment format. If the <paramref name="span"/> is
/// empty, the entire line containing the span's start point is commented.
/// </summary>
/// <param name="span">The span of text to comment.</param>
/// <param name="edit">The <see cref="ITextEdit"/> to use for applying changes.</param>
/// <param name="format">The block comment format.</param>
/// <returns>A <see cref="VirtualSnapshotSpan"/> containing the commented code.</returns>
/// <exception cref="ArgumentNullException">
/// <para>If <paramref name="edit"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="format"/> is <see langword="null"/>.</para>
/// </exception>
protected virtual VirtualSnapshotSpan CommentBlock(VirtualSnapshotSpan span, ITextEdit edit, BlockCommentFormat format)
{
if (edit == null)
{
throw new ArgumentNullException(nameof(edit));
}
if (format == null)
{
throw new ArgumentNullException(nameof(format));
}
//special case no selection
if (span.IsEmpty)
{
VirtualSnapshotPoint start = new VirtualSnapshotPoint(span.Start.Position.GetContainingLine().Start + ScanToNonWhitespaceChar(span.Start.Position.GetContainingLine()));
VirtualSnapshotPoint end = span.IsInVirtualSpace ? span.End : new VirtualSnapshotPoint(span.End.Position.GetContainingLine().End);
span = new VirtualSnapshotSpan(start, end);
}
// add start comment
edit.Insert(span.Start.Position, format.StartText);
// add end comment
edit.Insert(span.End.Position, format.EndText);
return(span);
}
/// <summary>
/// Inserts a new comment at each virtual point, materializing the virtual space if necessary
/// </summary>
static void CommentEmptySpans(ITextEdit edit, IEnumerable <VirtualSnapshotPoint> virtualPoints, IEditorOperations editorOperations)
{
foreach (var virtualPoint in virtualPoints)
{
if (virtualPoint.IsInVirtualSpace)
{
string leadingWhitespace;
if (editorOperations != null)
{
leadingWhitespace = editorOperations.GetWhitespaceForVirtualSpace(virtualPoint);
}
else
{
leadingWhitespace = new string (' ', virtualPoint.VirtualSpaces);
}
if (leadingWhitespace.Length > 0)
{
edit.Insert(virtualPoint.Position, leadingWhitespace);
}
}
edit.Insert(virtualPoint.Position, OpenComment);
edit.Insert(virtualPoint.Position, CloseComment);
}
}
/// <summary>
/// Performs the actual insertions of comment markers around the <see cref="commentSpans"/>
/// </summary>
static void CommentSpans(ITextEdit edit, NormalizedSnapshotSpanCollection commentSpans)
{
foreach (var commentSpan in commentSpans)
{
edit.Insert(commentSpan.Start, OpenComment);
edit.Insert(commentSpan.End, CloseComment);
}
}
/// <summary>
/// Rollback all modified text in the document except specified <see cref="IDiffChange"/>.
/// </summary>
/// <param name="diffChange">Information about a specific difference between two sequences.</param>
private void RollbackAllButThisChange(IDiffChange diffChange)
{
ITextEdit edit = _textView.TextBuffer.CreateEdit();
Span viewSpan;
try
{
string modifiedRegionText = _marginCore.GetModifiedText(diffChange, false);
string originalText = _marginCore.GetOriginalText();
edit.Delete(0, edit.Snapshot.Length);
edit.Insert(0, originalText);
ApplyEdit(edit, "Undo Modified Text");
edit = _textView.TextBuffer.CreateEdit();
ITextSnapshotLine startLine = edit.Snapshot.GetLineFromLineNumber(diffChange.OriginalStart);
ITextSnapshotLine endLine = edit.Snapshot.GetLineFromLineNumber(diffChange.OriginalEnd);
int start = startLine.Start.Position;
int length = endLine.EndIncludingLineBreak.Position - start;
switch (diffChange.ChangeType)
{
case DiffChangeType.Insert:
edit.Insert(start, modifiedRegionText);
viewSpan = new Span(start, modifiedRegionText.Length);
break;
case DiffChangeType.Delete:
edit.Delete(start, length);
viewSpan = new Span(start, 0);
break;
case DiffChangeType.Change:
edit.Replace(start, length, modifiedRegionText);
viewSpan = new Span(start, modifiedRegionText.Length);
break;
default:
throw new InvalidEnumArgumentException();
}
ApplyEdit(edit, "Restore Modified Region");
}
catch (Exception)
{
edit.Cancel();
throw;
}
var viewSnapshotSpan = new SnapshotSpan(_textView.TextSnapshot, viewSpan);
_textView.ViewScroller.EnsureSpanVisible(viewSnapshotSpan, EnsureSpanVisibleOptions.AlwaysCenter);
}
void CommentSpan(IEditorOptions options, SnapshotSpan span, ITextEdit textEdit, List <ITrackingSpan> spansToSelect)
{
var firstAndLastLine = DetermineFirstAndLastLine(span);
// Keine Selection, und in die ganze Zeile ist leer
if (span.IsEmpty && firstAndLastLine.Item1.IsEmptyOrWhitespace())
{
return;
}
// Blockselektion von leeren Zeilem
if (!span.IsEmpty && string.IsNullOrWhiteSpace(span.GetText()))
{
return;
}
if (span.IsEmpty || string.IsNullOrWhiteSpace(span.GetText()))
{
var firstNonWhitespaceOnLine = firstAndLastLine.Item1.GetFirstNonWhitespacePosition();
var insertPosition = firstNonWhitespaceOnLine ?? firstAndLastLine.Item1.Start;
// es gibt keine Selektion => ganze Zeile auskommentieren
textEdit.Insert(insertPosition, SyntaxFacts.SingleLineComment);
spansToSelect.Add(span.Snapshot.CreateTrackingSpan(Span.FromBounds(firstAndLastLine.Item1.Start, firstAndLastLine.Item1.End), SpanTrackingMode.EdgeInclusive));
}
else
{
// Partielle Selektion innerhalb einer Zeile
if (!SpanIncludesAllTextOnIncludedLines(span) &&
firstAndLastLine.Item1.LineNumber == firstAndLastLine.Item2.LineNumber)
{
textEdit.Insert(span.Start, SyntaxFacts.BlockCommentStart);
textEdit.Insert(span.End, SyntaxFacts.BlockCommentEnd);
spansToSelect.Add(span.Snapshot.CreateTrackingSpan(span, SpanTrackingMode.EdgeInclusive));
}
else
{
// Das Kommentare an der kleinsten Spalte beginnen, die nicht aus einem Leerzeichen besteht
// Bsp.:
// ...A
// ....B
// ->->C
// Kommentar beginnt bei Spalte 3
var indentToColumn = DetermineSmallestSignificantColumn(options, span, firstAndLastLine);
ApplyCommentToNonBlankLines(options, textEdit, firstAndLastLine, indentToColumn);
// Den ganzen "Block" an Zeilen selektieren
spansToSelect.Add(span.Snapshot.CreateTrackingSpan(Span.FromBounds(firstAndLastLine.Item1.Start.Position, firstAndLastLine.Item2.End.Position), SpanTrackingMode.EdgeInclusive));
}
}
}
public override void Invoke(CancellationToken cancellationToken)
{
AttributeNode src = Element.GetAttribute("src") ?? Element.GetAttribute("href") ?? Element.GetAttribute("abp-src") ?? Element.GetAttribute("abp-href");
AttributeNode integrity = Element.GetAttribute("integrity");
AttributeNode crossorigin = Element.GetAttribute("crossorigin");
string url = src.Value;
if (url.StartsWith("//"))
{
url = "http:" + url;
}
string hash = CalculateHash(url);
if (string.IsNullOrEmpty(hash))
{
MessageBox.Show("Could not resolve the URL to generate the hash", "Web Essentials", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
try
{
ProjectHelpers.DTE.UndoContext.Open(DisplayText);
using (ITextEdit edit = TextBuffer.CreateEdit())
{
if (integrity != null)
{
var span = new Span(integrity.ValueRangeUnquoted.Start, integrity.ValueRangeUnquoted.Length);
edit.Replace(span, hash);
}
else
{
edit.Insert(src.ValueRange.End, " integrity=\"" + hash + "\"");
}
if (crossorigin == null)
{
edit.Insert(src.ValueRange.End, " crossorigin=\"anonymous\"");
}
edit.Apply();
}
}
finally
{
ProjectHelpers.DTE.UndoContext.Close();
}
}
private void CopyLines(IWpfTextView wpfTextView, bool bDirectionDown)
{
ITextSnapshot snapshot = wpfTextView.TextSnapshot;
int lineNumberFirstSelected = 0;
int lineNumberLastSelected = 0;
if (wpfTextView.Selection.IsEmpty)
{
lineNumberLastSelected = lineNumberFirstSelected = snapshot.GetLineNumberFromPosition(wpfTextView.Caret.Position.BufferPosition);
}
else
{
ITextSelection textSelection = wpfTextView.Selection;
lineNumberFirstSelected = snapshot.GetLineNumberFromPosition(textSelection.Start.Position);
lineNumberLastSelected = snapshot.GetLineNumberFromPosition(textSelection.End.Position - 1);
}
string selectedText = "";
ITextSnapshotLine textSnapshotLine;
for (int i = lineNumberFirstSelected; i <= lineNumberLastSelected; ++i)
{
textSnapshotLine = snapshot.GetLineFromLineNumber(i);
selectedText += textSnapshotLine.GetTextIncludingLineBreak();
}
int newPosSelected = 0;
ITextEdit edit = snapshot.TextBuffer.CreateEdit();
if (bDirectionDown)
{
textSnapshotLine = snapshot.GetLineFromLineNumber(lineNumberLastSelected);
newPosSelected = textSnapshotLine.EndIncludingLineBreak;
edit.Insert(newPosSelected, selectedText);
}
else
{
textSnapshotLine = snapshot.GetLineFromLineNumber(lineNumberFirstSelected);
newPosSelected = textSnapshotLine.Start;
edit.Insert(newPosSelected, selectedText);
}
edit.Apply();
SnapshotPoint newSnapshotPoint = new SnapshotPoint(wpfTextView.TextSnapshot, newPosSelected);
SnapshotSpan newSnapshotSpan = new SnapshotSpan(newSnapshotPoint, selectedText.Length);
wpfTextView.Selection.Select(newSnapshotSpan, false);
wpfTextView.Caret.MoveTo(newSnapshotPoint);
}
public DragDropPointerEffects HandleDataDropped(DragDropInfo dragDropInfo)
{
try
{
SnapshotPoint position = dragDropInfo.VirtualBufferPosition.Position;
string header = string.Format(_template, _ext);
ITextSnapshotLine line = _view.TextBuffer.CurrentSnapshot.GetLineFromPosition(position);
if (!line.Extent.IsEmpty)
{
header = Environment.NewLine + header;
}
using (ITextUndoTransaction transaction = _undoManager.TextBufferUndoHistory.CreateTransaction($"Dragged {_ext}"))
using (ITextEdit edit = _view.TextBuffer.CreateEdit())
{
edit.Insert(position, header);
edit.Apply();
transaction.Complete();
}
Telemetry.TrackUserTask("FileDragged");
}
catch (Exception ex)
{
Telemetry.TrackException("DragDrop", ex);
}
return(DragDropPointerEffects.Copy);
}
async void IService.HelloWorld()
{
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(); //воротаемся в UI поток.
vproject = ProjectHelpers.GetActiveProject();
string rootfolder = vproject.GetRootFolder(); //корневая папка проекта с csproj открытым в студии
string vsixdllpath = System.Reflection.Assembly.GetExecutingAssembly().CodeBase.Replace("file:///", "");
string vsixfolder = Path.GetDirectoryName(vsixdllpath);
string filename = "tmp1.cs";
string path2addfile = Path.Combine(vsixfolder, "Templates", filename);
var filetoadd = new FileInfo(path2addfile);
ProjectItem projectItem = null;
string fileprojpath = Path.Combine(rootfolder, filename);
var filedest = new FileInfo(Path.Combine(fileprojpath));
if (1 == 1)
{
if (1 == 1) //добавить файл в проект из VSIX папки
{
ProjectHelpers.CopyTmpToProjectFile(vproject, filetoadd.FullName, filedest.FullName);
}
projectItem = vproject.AddFileToProject(filedest);
vproject.DTE.ItemOperations.OpenFile(fileprojpath); //открыть редактор с новым файлом
if (true) //добавить текст
{
Microsoft.VisualStudio.Text.Editor.IWpfTextView view = ProjectHelpers.GetCurentTextView();
if (view != null)
{
try
{
ITextEdit edit = view.TextBuffer.CreateEdit();
edit.Insert(0, Environment.NewLine);
edit.Apply();
}
catch (Exception e)
{
}
}
}
if (true) //добавление абсолютной ссылки в проект
{
VSProject refproject;
refproject = (VSProject)vproject.Object;
try
{
refproject.References.Add(@"C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.7.2\Microsoft.Build.dll");
}
catch (Exception ddd)
{
}
}
}
}
public static void Insert(this IWpfTextView obj, int position, string text)
{
ITextEdit edit = obj.TextSnapshot.TextBuffer.CreateEdit();
edit.Insert(position, text);
edit.Apply();
}
public override void Write(char[] buffer, int index, int count)
{
ITextEdit edit = this.textBuffer.CreateEdit();
edit.Insert(this.textBuffer.CurrentSnapshot.Length, buffer, index, count);
edit.Apply();
}
/// <summary>
/// Handler for added text of other editor
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void my_AddedText(object sender, EditedTextEventArgs e)
{
if (e.File == filename)
{
lock (CoProNetwork.locker)
{
while (e.Seq != cb.ExpectedSequence)//if excpected id is the id i got
{
System.Threading.Monitor.Wait(CoProNetwork.locker);
Debug.WriteLine("Recieved seq : " + e.Seq + " Expected seq : " + cb.ExpectedSequence);
}
trackDict[e.Editor] = m_textView.TextSnapshot.CreateTrackingPoint(e.Location,
PointTrackingMode.Positive);
uiDisp.Invoke(new Action(() =>
{
ITextEdit edit = m_textView.TextBuffer.CreateEdit();
var curTrackPoint = trackDict[e.Editor];
edit.Insert(curTrackPoint.GetPosition(m_textView.TextSnapshot), e.Command);
mySideCalling = false;
edit.Apply();
edit.Dispose();
}));
System.Threading.Monitor.PulseAll(CoProNetwork.locker);
}
}
}
public override bool Indent()
{
string textToInsert = _editorOptions.IsConvertTabsToSpacesEnabled() ? new string(' ', _editorOptions.GetTabSize()) : "\t";
if (_startPoint.LineNumber == _endPoint.LineNumber)
{
return(_startPoint.InsertIndent());
}
using (ITextEdit edit = TextBuffer.AdvancedTextBuffer.CreateEdit())
{
ITextSnapshot snapshot = TextBuffer.AdvancedTextBuffer.CurrentSnapshot;
for (int i = _startPoint.LineNumber; i <= _endPoint.LineNumber; i++)
{
ITextSnapshotLine line = snapshot.GetLineFromLineNumber(i);
if ((line.Length > 0) &&
(line.Start != _endPoint.CurrentPosition))
{
if (!edit.Insert(line.Start, textToInsert))
{
return(false);
}
}
}
edit.Apply();
if (edit.Canceled)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Comment out a span using a particular line comment format. If the <paramref name="span"/> is empty, the
/// entire line containing the span's start point is commented.
/// </summary>
/// <remarks>
/// <para>The default algorithm for line comments is designed to meet the following conditions.</para>
/// <list type="bullet">
/// <item>Make sure line comments are indented as far as possible, skipping empty lines as necessary.</item>
/// <item>Don't comment <em>N</em>+1 lines when only <em>N</em> lines were selected by clicking in the left
/// margin.</item>
/// </list>
/// </remarks>
/// <param name="span">The span of text to comment.</param>
/// <param name="edit">The <see cref="ITextEdit"/> to apply the changes to.</param>
/// <param name="format">The line comment format to use for commenting the code.</param>
/// <returns>A <see cref="VirtualSnapshotSpan"/> containing the commented code.</returns>
/// <exception cref="ArgumentNullException">
/// <para>If <paramref name="edit"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="format"/> is <see langword="null"/>.</para>
/// </exception>
protected virtual VirtualSnapshotSpan CommentLines(VirtualSnapshotSpan span, ITextEdit edit, LineCommentFormat format)
{
Contract.Requires <ArgumentNullException>(edit != null, "edit");
Contract.Requires <ArgumentNullException>(format != null, "format");
if (span.End.Position.GetContainingLine().LineNumber > span.Start.Position.GetContainingLine().LineNumber&& span.End.Position.GetContainingLine().Start == span.End.Position)
{
VirtualSnapshotPoint start = span.Start;
VirtualSnapshotPoint end = new VirtualSnapshotPoint(span.Snapshot.GetLineFromLineNumber(span.End.Position.GetContainingLine().LineNumber - 1).Start);
if (end < start)
{
start = end;
}
span = new VirtualSnapshotSpan(start, end);
}
int minindex = (from i in Enumerable.Range(span.Start.Position.GetContainingLine().LineNumber, span.End.Position.GetContainingLine().LineNumber - span.Start.Position.GetContainingLine().LineNumber + 1)
where span.Snapshot.GetLineFromLineNumber(i).GetText().Trim().Length > 0
select ScanToNonWhitespaceChar(span.Snapshot.GetLineFromLineNumber(i)))
.Min();
//comment each line
for (int line = span.Start.Position.GetContainingLine().LineNumber; line <= span.End.Position.GetContainingLine().LineNumber; line++)
{
if (span.Snapshot.GetLineFromLineNumber(line).GetText().Trim().Length > 0)
{
edit.Insert(span.Snapshot.GetLineFromLineNumber(line).Start + minindex, format.StartText);
}
}
span = new VirtualSnapshotSpan(new SnapshotSpan(span.Start.Position.GetContainingLine().Start, span.End.Position.GetContainingLine().End));
return(span);
}
private static void CommentRegion(SnapshotPoint start, SnapshotPoint end)
{
ITextSnapshot snapshot = start.Snapshot;
using (ITextEdit edit = snapshot.TextBuffer.CreateEdit())
{
int column = int.MaxValue;
for (int i = start.GetContainingLine().LineNumber; i <= end.GetContainingLine().LineNumber; i++)
{
string text = snapshot.GetLineFromLineNumber(i).GetText();
int index = GetIndexOfFirstNoneWhiteSpace(text);
if (index >= 0 && index < column)
{
column = index;
}
}
for (int i = start.GetContainingLine().LineNumber; i <= end.GetContainingLine().LineNumber; i++)
{
ITextSnapshotLine currentLine = snapshot.GetLineFromLineNumber(i);
if (string.IsNullOrEmpty(currentLine.GetText()))
{
continue;
}
edit.Insert(currentLine.Start.Position + column, "//");
}
edit.Apply();
}
}
private void FormatSelection(ITextBuffer textBuffer, int insertionIndex, string insertionText)
{
Controller.TextViewData viewData = Controller.TextViewConnectionListener.GetTextViewDataForBuffer(textBuffer);
ITextView textView = viewData.LastActiveView;
using (ITextEdit textEdit = textBuffer.CreateEdit())
{
textEdit.Insert(insertionIndex, insertionText);
textEdit.Apply();
}
IOleCommandTarget commandTarget = Shell.Package.GetGlobalService(typeof(Shell.Interop.SUIHostCommandDispatcher)) as IOleCommandTarget;
SendFocusToEditor(textView);
SnapshotSpan snapshotSpan = new SnapshotSpan(textView.TextSnapshot, insertionIndex, insertionText.Length + 1);
textView.Selection.Select(snapshotSpan, false);
Guid guidVSStd2K = VSConstants.VSStd2K;
commandTarget.Exec(
ref guidVSStd2K,
(uint)VSConstants.VSStd2KCmdID.FORMATSELECTION,
(uint)OLECMDEXECOPT.OLECMDEXECOPT_DODEFAULT,
IntPtr.Zero,
IntPtr.Zero);
textView.Selection.Clear();
}
/// <summary>
/// Indent the given box selection
/// </summary>
/// <remarks>
/// This is fairly close to the normal text range indenting logic, except that it also
/// indents an empty selection at the endline, which the normal text range ignores.
/// </remarks>
private bool BoxIndent()
{
string textToInsert = _editorOptions.IsConvertTabsToSpacesEnabled() ? new string(' ', _editorOptions.GetTabSize()) : "\t";
using (ITextEdit edit = TextBuffer.AdvancedTextBuffer.CreateEdit())
{
ITextSnapshot snapshot = TextBuffer.AdvancedTextBuffer.CurrentSnapshot;
int startLineNumber = GetStartPoint().LineNumber;
int endLineNumber = GetEndPoint().LineNumber;
for (int i = startLineNumber; i <= endLineNumber; i++)
{
ITextSnapshotLine line = snapshot.GetLineFromLineNumber(i);
if (line.Length > 0)
{
if (!edit.Insert(line.Start, textToInsert))
{
return(false);
}
}
}
edit.Apply();
if (edit.Canceled)
{
return(false);
}
}
return(true);
}
private ITextEdit FixByMoving(RobotsTxtLineSyntax line, RobotsTxtRecordSyntax record)
{
ITextBuffer buffer = line.Record.Document.Snapshot.TextBuffer;
// default insertion point at record start
SnapshotPoint insertionPoint = record.Span.Start;
// find last User-agent line
var last = record.Lines
.TakeWhile(l => l.NameToken.Value.Equals("User-agent", StringComparison.InvariantCultureIgnoreCase))
.LastOrDefault();
if (last != null) // override insertion point
{
insertionPoint = last.Span.End.GetContainingLine().EndIncludingLineBreak;
}
// move line up
ITextEdit edit = buffer.CreateEdit();
edit.Insert(
insertionPoint,
line.Span.Start.GetContainingLine().GetTextIncludingLineBreak()
);
edit.Delete(line.Span.Start.GetContainingLine().ExtentIncludingLineBreak);
return(edit);
}
private void AddTechCallback(object sender, EventArgs e)
{
ITextBuffer buffer;
int selStart, selEnd;
string currentCode;
bool emptySelection;
if (GetBufferAndSelection(out buffer, out selStart, out selEnd, out currentCode, out emptySelection))
{
ITextEdit edit = buffer.CreateEdit();
if (emptySelection)
{
string text = "#if " + GetSelectedTechnology() + Environment.NewLine + Environment.NewLine;
if (_includeEndIfComment)
{
text += "#endif" + GetSelectedTechnologyComment() + Environment.NewLine;
}
else
{
text += "#endif" + Environment.NewLine;
}
edit.Insert(selStart, text);
edit.Apply();
}
else
{
string text = "#if " + GetSelectedTechnology() + Environment.NewLine +
currentCode + Environment.NewLine;
if (_includeEndIfComment)
{
text += "#endif" + GetSelectedTechnologyComment();
}
else
{
text += "#endif";
}
edit.Delete(selStart, selEnd - selStart);
edit.Insert(selStart, text);
edit.Apply();
}
}
}
public async Task InsertAsync(string text)
{
await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(CancelAllToken);
_textEdit.Insert(_position, text);
_textEdit.Apply();
_textEdit.Dispose();
}
public ITextSnapshot Insert(int position, string text)
{
using (ITextEdit textEdit = CreateEdit())
{
textEdit.Insert(position, text);
return(textEdit.Apply());
}
}
protected virtual SnapshotSpan CommentBlock(SnapshotSpan span, ITextEdit edit, BlockCommentFormat format)
{
Contract.Requires <ArgumentNullException>(edit != null, "edit");
Contract.Requires <ArgumentNullException>(format != null, "format");
//sp. case no selection
if (span.IsEmpty)
{
span = new SnapshotSpan(span.Start.GetContainingLine().Start + ScanToNonWhitespaceChar(span.Start.GetContainingLine()), span.End.GetContainingLine().End);
}
// add start comment
edit.Insert(span.Start, format.StartText);
// add end comment
edit.Insert(span.End, format.EndText);
return(span);
}
protected virtual SnapshotSpan CommentBlock(SnapshotSpan span, [NotNull] ITextEdit edit, [NotNull] BlockCommentFormat format)
{
Requires.NotNull(edit, nameof(edit));
Requires.NotNull(format, nameof(format));
//sp. case no selection
if (span.IsEmpty)
{
span = new SnapshotSpan(span.Start.GetContainingLine().Start + ScanToNonWhitespaceChar(span.Start.GetContainingLine()), span.End.GetContainingLine().End);
}
// add start comment
edit.Insert(span.Start, format.StartText);
// add end comment
edit.Insert(span.End, format.EndText);
return(span);
}
private ITextEdit Fix(RobotsTxtLineSyntax line)
{
ITextBuffer buffer = line.Record.Document.Snapshot.TextBuffer;
ITextEdit edit = buffer.CreateEdit();
edit.Insert(line.NameToken.Span.Span.End, RobotsTxtSyntaxFacts.NameValueDelimiter.ToString());
return(edit);
}
private void IndentSpan(ITextEdit edit, string indentation, int startLine, int endLine)
{
var snapshot = _textView.TextBuffer.CurrentSnapshot;
for (int i = startLine; i <= endLine; i++)
{
var curline = snapshot.GetLineFromLineNumber(i);
edit.Insert(curline.Start, indentation);
}
}
private void Unminify(ElementNode element, ITextEdit edit)
{
for (int i = element.Children.Count - 1; i > -1; i--)
{
var child = element.Children[i];
Unminify(child, edit);
}
if (_blockElements.Contains(element.Name))
{
int start = element.StartTag.Start;
edit.Insert(start, Environment.NewLine);
}
else if (_blockElements.Contains(element.Parent.Name) && element.Parent.Children.Count > 1)
{
int start = element.StartTag.Start;
edit.Insert(start, Environment.NewLine);
}
}
public void ExtractVariable()
{
string selection = view.Selection.SelectedSpans[0].GetText();
ITextSnapshot snapshot = view.TextBuffer.CurrentSnapshot;
// Verify the selected text doesn't contain mismatched quotes or braces.
if (!hasIntegrity(selection))
{
throw new UnrecognisedExpressionException();
}
// Check that what comes after is .,);} or operator
char next = NextNonWhiteSpaceCharacter(snapshot);
if (!permissableFollowing.Contains(next))
{
throw new UnrecognisedExpressionException();
}
// Check that what comes before is (,= or operator
char prev = PreviousNonWhiteSpaceCharacter(snapshot);
if (!permissablePreceding.Contains(prev))
{
throw new UnrecognisedExpressionException();
}
// Get a variable name from the supplied provider.
string varName = nameProvider.GetName();
if (varName == null)
{
return;
}
int lineNumber = FindLineAfterWhichToInsertDeclaration(snapshot, view.Selection.SelectedSpans[0].Start.Position);
if (lineNumber < 0)
{
throw new FailedInsertionPointException();
}
// replace selection with variable name.
ITextEdit edit = snapshot.TextBuffer.CreateEdit();
edit.Replace(view.Selection.SelectedSpans[0], varName);
int indentSize = GetIndentOfNextNonBlankLine(snapshot, lineNumber);
// Add declaration.
edit.Insert(snapshot.GetLineFromLineNumber(lineNumber + 1).Start.Position, ("".PadLeft(indentSize) + "var " + varName + " = " + selection + ";\n"));
edit.Apply();
}
/// <summary> Adds edits to comment out each non-blank line, at the given column. </summary>
void ApplyCommentToNonBlankLines(IEditorOptions options, ITextEdit textEdit, Tuple <ITextSnapshotLine, ITextSnapshotLine> firstAndLastLine, int indentToColumn)
{
for (int lineNumber = firstAndLastLine.Item1.LineNumber; lineNumber <= firstAndLastLine.Item2.LineNumber; ++lineNumber)
{
var line = firstAndLastLine.Item1.Snapshot.GetLineFromLineNumber(lineNumber);
if (!line.IsEmptyOrWhitespace())
{
var offset = line.GetOffsetForColumn(indentToColumn, options.GetTabSize());
textEdit.Insert(line.Start + offset, SyntaxFacts.SingleLineComment);
}
}
}
public void AssignParameterToField()
{
ITextSnapshot snapshot = view.TextBuffer.CurrentSnapshot;
int pos = view.Caret.Position.BufferPosition.Position;
Declaration declaration = FindDeclarationNear(snapshot, pos, new char[] { '(', ',' }, new char[] { ',', ')', '=' });
if (declaration == null)
{
throw new UnrecognisedParameterDeclarationException();
}
int assignmentLineNumber = FindLineBeforeWhichToInsertMethodStatement(snapshot, declaration.Span.End);
if (assignmentLineNumber < 0)
{
throw new FailedInsertionPointException("Failed to find insertion point before assignment.");
}
ITextSnapshotLine assignmentLine = snapshot.GetLineFromLineNumber(assignmentLineNumber);
int lineNumber = FindLineAfterWhichToInsertFieldDeclaration(snapshot, assignmentLine.Start.Position);
if (lineNumber < 0)
{
throw new FailedInsertionPointException();
}
// add assignment of parameter to method.
ITextEdit edit = snapshot.TextBuffer.CreateEdit();
int assignmentIndent = FindIndentOfLine(assignmentLine.GetText()) + TabSize;
edit.Insert(assignmentLine.Start.Position, ("".PadLeft(assignmentIndent) + "this." + declaration.VariableName + " = " + declaration.VariableName + ";\n"));
// Add declaration.
int indentSize = GetIndentOfNextNonBlankLine(snapshot, lineNumber);
edit.Insert(snapshot.GetLineFromLineNumber(lineNumber + 1).Start.Position, ("".PadLeft(indentSize) + "private " + declaration.ToString() + ";\n"));
edit.Apply();
}
/// <summary>
/// Inserts a newline at the end of the file, if it doesn't already exist.
/// </summary>
/// <param name="snapshot">The snapshot of the document to enforce.</param>
/// <param name="edit">The edit context of the document to enforce.</param>
/// <param name="eol">The eol character to add.</param>
internal void InsertFinalNewline(ITextSnapshot snapshot, ITextEdit edit, string eol)
{
var line = snapshot.Lines.LastOrDefault();
if (line != null && !string.IsNullOrWhiteSpace(line.GetText()))
{
if (eol == null)
eol = Environment.NewLine;
edit.Insert(line.End.Position, eol);
}
}
protected override void Modify(ITextEdit edit, ITextSnapshotLine line)
{
edit.Insert(line.Start.Position, "#");
}
private void Unminify(ElementNode element, ITextEdit edit)
{
for (int i = element.Children.Count - 1; i > -1; i--)
{
var child = element.Children[i];
Unminify(child, edit);
}
if (_blockElements.Contains(element.Name))
{
int start = element.StartTag.Start;
edit.Insert(start, Environment.NewLine);
}
else if (_blockElements.Contains(element.Parent.Name) && element.Parent.Children.Count > 1)
{
int start = element.StartTag.Start;
edit.Insert(start, Environment.NewLine);
}
}
private void IndentSpan(ITextEdit edit, string indentation, int startLine, int endLine) {
var snapshot = _textView.TextBuffer.CurrentSnapshot;
for (int i = startLine; i <= endLine; i++) {
var curline = snapshot.GetLineFromLineNumber(i);
edit.Insert(curline.Start, indentation);
}
}
/// <summary>
/// Performs an insert in a document.
/// </summary>
/// <param name="model">The model.</param>
private void Insert(DocumentModel doc, OpInsertMessage model, ITextEdit edit)
{
//doc.BlockEvent = true;
var start = model.Index > edit.Snapshot.Length ? edit.Snapshot.Length : model.Index;
edit.Insert(start, model.Content);
}
/// <summary>
/// Undoes a delete operation.
/// </summary>
/// <param name="model">The model.</param>
private void UndoDelete(DocumentModel doc, OpDeleteMessage model, ITextEdit edit)
{
//doc.BlockEvent = true;
edit.Insert(model.Index, model.OldContent);
}
protected virtual SnapshotSpan CommentLines(SnapshotSpan span, ITextEdit edit, LineCommentFormat format)
{
Contract.Requires<ArgumentNullException>(edit != null, "edit");
Contract.Requires<ArgumentNullException>(format != null, "format");
/*
* Rules for line comments:
* Make sure line comments are indented as far as possible, skipping empty lines as necessary
* Don't comment N+1 lines when only N lines were selected my clicking in the left margin
*/
if (span.End.GetContainingLine().LineNumber > span.Start.GetContainingLine().LineNumber && span.End.GetContainingLine().Start == span.End)
{
SnapshotPoint start = span.Start;
SnapshotPoint end = span.Snapshot.GetLineFromLineNumber(span.End.GetContainingLine().LineNumber - 1).Start;
if (end < start)
start = end;
span = new SnapshotSpan(start, end);
}
int minindex = (from i in Enumerable.Range(span.Start.GetContainingLine().LineNumber, span.End.GetContainingLine().LineNumber - span.Start.GetContainingLine().LineNumber + 1)
where span.Snapshot.GetLineFromLineNumber(i).GetText().Trim().Length > 0
select ScanToNonWhitespaceChar(span.Snapshot.GetLineFromLineNumber(i)))
.Min();
//comment each line
for (int line = span.Start.GetContainingLine().LineNumber; line <= span.End.GetContainingLine().LineNumber; line++)
{
if (span.Snapshot.GetLineFromLineNumber(line).GetText().Trim().Length > 0)
edit.Insert(span.Snapshot.GetLineFromLineNumber(line).Start + minindex, format.StartText);
}
span = new SnapshotSpan(span.Start.GetContainingLine().Start, span.End.GetContainingLine().End);
return span;
}
/// <summary>
/// Comment out a span of text using the specified block comment format. If the <paramref name="span"/> is
/// empty, the entire line containing the span's start point is commented.
/// </summary>
/// <param name="span">The span of text to comment.</param>
/// <param name="edit">The <see cref="ITextEdit"/> to use for applying changes.</param>
/// <param name="format">The block comment format.</param>
/// <returns>A <see cref="VirtualSnapshotSpan"/> containing the commented code.</returns>
/// <exception cref="ArgumentNullException">
/// <para>If <paramref name="edit"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="format"/> is <see langword="null"/>.</para>
/// </exception>
protected virtual VirtualSnapshotSpan CommentBlock(VirtualSnapshotSpan span, ITextEdit edit, BlockCommentFormat format)
{
Contract.Requires<ArgumentNullException>(edit != null, "edit");
Contract.Requires<ArgumentNullException>(format != null, "format");
//special case no selection
if (span.IsEmpty)
{
VirtualSnapshotPoint start = new VirtualSnapshotPoint(span.Start.Position.GetContainingLine().Start + ScanToNonWhitespaceChar(span.Start.Position.GetContainingLine()));
VirtualSnapshotPoint end = span.IsInVirtualSpace ? span.End : new VirtualSnapshotPoint(span.End.Position.GetContainingLine().End);
span = new VirtualSnapshotSpan(start, end);
}
// add start comment
edit.Insert(span.Start.Position, format.StartText);
// add end comment
edit.Insert(span.End.Position, format.EndText);
return span;
}
/// <summary>
/// Comment out a span using a particular line comment format. If the <paramref name="span"/> is empty, the
/// entire line containing the span's start point is commented.
/// </summary>
/// <remarks>
/// <para>The default algorithm for line comments is designed to meet the following conditions.</para>
/// <list type="bullet">
/// <item>Make sure line comments are indented as far as possible, skipping empty lines as necessary.</item>
/// <item>Don't comment <em>N</em>+1 lines when only <em>N</em> lines were selected by clicking in the left
/// margin.</item>
/// </list>
/// </remarks>
/// <param name="span">The span of text to comment.</param>
/// <param name="edit">The <see cref="ITextEdit"/> to apply the changes to.</param>
/// <param name="format">The line comment format to use for commenting the code.</param>
/// <returns>A <see cref="VirtualSnapshotSpan"/> containing the commented code.</returns>
/// <exception cref="ArgumentNullException">
/// <para>If <paramref name="edit"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="format"/> is <see langword="null"/>.</para>
/// </exception>
protected virtual VirtualSnapshotSpan CommentLines(VirtualSnapshotSpan span, ITextEdit edit, LineCommentFormat format)
{
Contract.Requires<ArgumentNullException>(edit != null, "edit");
Contract.Requires<ArgumentNullException>(format != null, "format");
if (span.End.Position.GetContainingLine().LineNumber > span.Start.Position.GetContainingLine().LineNumber && span.End.Position.GetContainingLine().Start == span.End.Position)
{
VirtualSnapshotPoint start = span.Start;
VirtualSnapshotPoint end = new VirtualSnapshotPoint(span.Snapshot.GetLineFromLineNumber(span.End.Position.GetContainingLine().LineNumber - 1).Start);
if (end < start)
start = end;
span = new VirtualSnapshotSpan(start, end);
}
int minindex = (from i in Enumerable.Range(span.Start.Position.GetContainingLine().LineNumber, span.End.Position.GetContainingLine().LineNumber - span.Start.Position.GetContainingLine().LineNumber + 1)
where span.Snapshot.GetLineFromLineNumber(i).GetText().Trim().Length > 0
select ScanToNonWhitespaceChar(span.Snapshot.GetLineFromLineNumber(i)))
.Min();
//comment each line
for (int line = span.Start.Position.GetContainingLine().LineNumber; line <= span.End.Position.GetContainingLine().LineNumber; line++)
{
if (span.Snapshot.GetLineFromLineNumber(line).GetText().Trim().Length > 0)
edit.Insert(span.Snapshot.GetLineFromLineNumber(line).Start + minindex, format.StartText);
}
span = new VirtualSnapshotSpan(new SnapshotSpan(span.Start.Position.GetContainingLine().Start, span.End.Position.GetContainingLine().End));
return span;
}
protected virtual SnapshotSpan CommentBlock(SnapshotSpan span, ITextEdit edit, BlockCommentFormat format)
{
Contract.Requires<ArgumentNullException>(edit != null, "edit");
Contract.Requires<ArgumentNullException>(format != null, "format");
//sp. case no selection
if (span.IsEmpty)
{
span = new SnapshotSpan(span.Start.GetContainingLine().Start + ScanToNonWhitespaceChar(span.Start.GetContainingLine()), span.End.GetContainingLine().End);
}
// add start comment
edit.Insert(span.Start, format.StartText);
// add end comment
edit.Insert(span.End, format.EndText);
return span;
}
private void ReplaceLines(ITextEdit edit, int startOldLine, int endOldLine, int startNewLine, int endNewLine) {
int oldLineCount = endOldLine - startOldLine;
int newLineCount = endNewLine - startNewLine;
// replace one line at a time instead of all of the lines at once so that we preserve breakpoints
int excessNewLineStart = startNewLine - startOldLine;
for (int i = startOldLine; i < endOldLine && i < (endNewLine - startNewLine + startOldLine); i++) {
edit.Replace(
_snapshot.GetLineFromLineNumber(_startingReplacementLine + i).Extent,
_newLines[startNewLine + i - startOldLine]
);
excessNewLineStart = startNewLine + i - startOldLine + 1;
}
if (oldLineCount > newLineCount) {
// we end up w/ less lines, we need to delete some text
edit.Delete(
Span.FromBounds(
_snapshot.GetLineFromLineNumber(_startingReplacementLine + endOldLine - (oldLineCount - newLineCount)).Start.Position,
_snapshot.GetLineFromLineNumber(_startingReplacementLine + endOldLine - 1).EndIncludingLineBreak.Position
)
);
} else if (oldLineCount < newLineCount) {
// we end up w/ more lines, we need to insert some text
edit.Insert(
_snapshot.GetLineFromLineNumber(_startingReplacementLine + endOldLine - 1).EndIncludingLineBreak,
string.Join(
_view.Options.GetNewLineCharacter(),
_newLines,
excessNewLineStart,
endNewLine - excessNewLineStart
) + _view.Options.GetNewLineCharacter()
);
}
}
