protected async override Task CorrectIndentingImplementationAsync(Ide.Editor.TextEditor editor, DocumentContext context, int startLine, int endLine, CancellationToken cancellationToken)
{
if (editor.IndentationTracker == null)
{
return;
}
var startSegment = editor.GetLine(startLine);
if (startSegment == null)
{
return;
}
var endSegment = startLine != endLine?editor.GetLine(endLine) : startSegment;
if (endSegment == null)
{
return;
}
try {
var document = context.AnalysisDocument;
var formattingService = document.GetLanguageService <IEditorFormattingService> ();
if (formattingService == null || !formattingService.SupportsFormatSelection)
{
return;
}
var formattingRules = new List <AbstractFormattingRule> ();
formattingRules.Add(ContainedDocumentPreserveFormattingRule.Instance);
formattingRules.AddRange(Formatter.GetDefaultFormattingRules(document));
var workspace = document.Project.Solution.Workspace;
var root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var options = await document.GetOptionsAsync(cancellationToken).ConfigureAwait(false);
var changes = Formatter.GetFormattedTextChanges(
root, new TextSpan [] { new TextSpan(startSegment.Offset, endSegment.EndOffset - startSegment.Offset) },
workspace, options, formattingRules, cancellationToken);
if (changes == null)
{
return;
}
await Runtime.RunInMainThread(delegate {
editor.ApplyTextChanges(changes);
editor.FixVirtualIndentation();
});
} catch (Exception e) {
LoggingService.LogError("Error while indenting", e);
}
}
public override string GetIndentationString(int lineNumber)
{
if (lineNumber < 1 || lineNumber > editor.LineCount)
{
return("");
}
var doc = context.AnalysisDocument;
if (doc == null)
{
return(editor.GetLineIndent(lineNumber));
}
var snapshot = editor.TextView.TextBuffer.CurrentSnapshot;
var caretLine = snapshot.GetLineFromLineNumber(lineNumber - 1);
int?indentation = smartIndentationService.GetDesiredIndentation(editor.TextView, caretLine);
if (indentation.HasValue && indentation.Value > 0)
{
return(CalculateIndentationString(indentation.Value));
}
var line = editor.GetLine(lineNumber);
if (line == null)
{
return(editor.GetLineIndent(lineNumber));
}
try {
if (line.Contains(editor.CaretOffset))
{
var syntaxRoot = doc.GetSyntaxRootSynchronously(default);
string GetIndentationString(DocumentLocation loc)
{
var line = data.GetLine(loc.Line);
if (line == null)
{
return("");
}
// Get context to the end of the line w/o changing the main engine's state
var offset = line.Offset;
string curIndent = line.GetIndentation(data);
try {
stateTracker.Update(data, Math.Min(data.Length, offset + Math.Min(line.Length, loc.Column - 1)));
int nlwsp = curIndent.Length;
if (!stateTracker.LineBeganInsideMultiLineComment || (nlwsp < line.LengthIncludingDelimiter && data.GetCharAt(offset + nlwsp) == '*'))
{
return(stateTracker.ThisLineIndent);
}
} catch (Exception e) {
LoggingService.LogError("Error while indenting at " + loc, e);
}
return(curIndent);
}
public bool FixLineStart(Ide.Editor.TextEditor textEditorData, ICSharpCode.NRefactory6.CSharp.IStateMachineIndentEngine stateTracker, int lineNumber)
{
if (lineNumber > 1)
{
var line = textEditorData.GetLine(lineNumber);
if (line == null)
{
return(false);
}
var prevLine = textEditorData.GetLine(lineNumber - 1);
if (prevLine == null)
{
return(false);
}
string trimmedPreviousLine = textEditorData.GetTextAt(prevLine).TrimStart();
//xml doc comments
//check previous line was a doc comment
//check there's a following line?
if (trimmedPreviousLine.StartsWith("///", StringComparison.Ordinal))
{
if (textEditorData.GetTextAt(line.Offset, line.Length).TrimStart().StartsWith("///", StringComparison.Ordinal))
{
return(false);
}
//check that the newline command actually inserted a newline
textEditorData.EnsureCaretIsNotVirtual();
var nextLineSegment = textEditorData.GetLine(lineNumber + 1);
string nextLine = nextLineSegment != null?textEditorData.GetTextAt(nextLineSegment).TrimStart() : "";
if (trimmedPreviousLine.Length > "///".Length || nextLine.StartsWith("///", StringComparison.Ordinal))
{
var insertionPoint = textEditorData.CaretOffset;
textEditorData.InsertText(insertionPoint, "/// ");
textEditorData.CaretOffset = insertionPoint + "/// ".Length;
return(true);
}
//multi-line comments
}
else if (stateTracker.IsInsideMultiLineComment)
{
if (textEditorData.GetTextAt(line.Offset, line.Length).TrimStart().StartsWith("*", StringComparison.Ordinal))
{
return(false);
}
textEditorData.EnsureCaretIsNotVirtual();
string commentPrefix = string.Empty;
if (trimmedPreviousLine.StartsWith("* ", StringComparison.Ordinal))
{
commentPrefix = "* ";
}
else if (trimmedPreviousLine.StartsWith("/**", StringComparison.Ordinal) || trimmedPreviousLine.StartsWith("/*", StringComparison.Ordinal))
{
commentPrefix = " * ";
}
else if (trimmedPreviousLine.StartsWith("*", StringComparison.Ordinal))
{
commentPrefix = "*";
}
int indentSize = line.GetIndentation(textEditorData).Length;
var insertedText = prevLine.GetIndentation(textEditorData) + commentPrefix;
textEditorData.ReplaceText(line.Offset, indentSize, insertedText);
textEditorData.CaretOffset = line.Offset + insertedText.Length;
return(true);
}
else if (wasInStringLiteral)
{
var lexer = new ICSharpCode.NRefactory.CSharp.Completion.CSharpCompletionEngineBase.MiniLexer(textEditorData.GetTextAt(0, prevLine.EndOffset).TrimEnd());
lexer.Parse();
if (!lexer.IsInString)
{
return(false);
}
textEditorData.EnsureCaretIsNotVirtual();
var insertedText = "\" +";
textEditorData.InsertText(prevLine.Offset + prevLine.Length, insertedText);
var lineOffset = line.Offset + insertedText.Length;
int indentSize = textEditorData.CaretOffset - lineOffset;
insertedText = prevLine.GetIndentation(textEditorData) + (trimmedPreviousLine.StartsWith("\"", StringComparison.Ordinal) ? "" : "\t") + "\"";
textEditorData.ReplaceText(lineOffset, indentSize, insertedText);
return(true);
}
}
return(false);
}
public override void HandleSpecialSelectionKey(uint unicodeKey)
{
string start, end;
((SelectionSurroundingProvider)this).GetSelectionSurroundings(unicodeKey, out start, out end);
if (editor.SelectionMode == SelectionMode.Block)
{
var selection = editor.SelectionRegion;
int startCol = System.Math.Min(selection.Begin.Column, selection.End.Column) - 1;
int endCol = System.Math.Max(selection.Begin.Column, selection.End.Column);
int minLine = System.Math.Min(selection.Begin.Line, selection.End.Line);
int maxLine = System.Math.Max(selection.BeginLine, selection.End.Line);
var changes = new List <TextChange> ();
for (int lineNumber = minLine; lineNumber <= maxLine; lineNumber++)
{
var lineSegment = editor.GetLine(lineNumber);
if (lineSegment.Offset + startCol < lineSegment.EndOffset)
{
changes.Add(new TextChange(new TextSpan(lineSegment.Offset + startCol, 0), start));
}
if (lineSegment.Offset + endCol < lineSegment.EndOffset)
{
changes.Add(new TextChange(new TextSpan(lineSegment.Offset + endCol, 0), end));
}
}
editor.ApplyTextChanges(changes);
// textEditorData.MainSelection = new Selection (
// new DocumentLocation (selection.Anchor.Line, endCol == selection.Anchor.Column ? endCol + start.Length : startCol + 1 + start.Length),
// new DocumentLocation (selection.Lead.Line, endCol == selection.Anchor.Column ? startCol + 1 + start.Length : endCol + start.Length),
// MonoDevelop.Ide.Editor.SelectionMode.Block);
}
else
{
var selectionRange = editor.SelectionRange;
int anchorOffset = selectionRange.Offset;
int leadOffset = selectionRange.EndOffset;
var text = editor.GetTextAt(selectionRange);
var formattingService = context.AnalysisDocument.GetLanguageService <IEditorFormattingService> ();
if (editor.Options.GenerateFormattingUndoStep)
{
using (var undo = editor.OpenUndoGroup()) {
editor.ReplaceText(selectionRange, start);
}
using (var undo = editor.OpenUndoGroup()) {
editor.ReplaceText(anchorOffset, 1, start + text + end);
editor.SetSelection(anchorOffset + start.Length, leadOffset + start.Length + end.Length);
}
if (unicodeKey == '{')
{
if (formattingService != null)
{
var changes = formattingService.GetFormattingChangesAsync(context.AnalysisDocument, TextSpan.FromBounds(anchorOffset + start.Length - 1, leadOffset + start.Length + end.Length), CancellationToken.None).WaitAndGetResult(CancellationToken.None);
editor.ApplyTextChanges(changes);
}
}
}
else
{
using (var undo = editor.OpenUndoGroup()) {
editor.InsertText(anchorOffset, start);
editor.InsertText(leadOffset >= anchorOffset ? leadOffset + start.Length : leadOffset, end);
if (unicodeKey == '{')
{
if (formattingService != null)
{
var changes = formattingService.GetFormattingChangesAsync(context.AnalysisDocument, TextSpan.FromBounds(anchorOffset + start.Length, leadOffset + start.Length), CancellationToken.None).WaitAndGetResult(CancellationToken.None);
editor.ApplyTextChanges(changes);
}
}
else
{
editor.SetSelection(anchorOffset + start.Length, leadOffset + start.Length + end.Length);
}
}
}
}
}