public override void CorrectIndenting (PolicyContainer policyParent, IEnumerable<string> mimeTypeChain,
TextEditorData data, int line)
{
DocumentLine lineSegment = data.Document.GetLine (line);
if (lineSegment == null)
return;
try {
var policy = policyParent.Get<CSharpFormattingPolicy> (mimeTypeChain);
var tracker = new CSharpIndentEngine (data.Document, data.CreateNRefactoryTextEditorOptions (), policy.CreateOptions ());
tracker.Update (lineSegment.Offset);
for (int i = lineSegment.Offset; i < lineSegment.Offset + lineSegment.Length; i++) {
tracker.Push (data.Document.GetCharAt (i));
}
string curIndent = lineSegment.GetIndentation (data.Document);
int nlwsp = curIndent.Length;
if (!tracker.LineBeganInsideMultiLineComment || (nlwsp < lineSegment.LengthIncludingDelimiter && data.Document.GetCharAt (lineSegment.Offset + nlwsp) == '*')) {
// Possibly replace the indent
string newIndent = tracker.ThisLineIndent;
if (newIndent != curIndent)
data.Replace (lineSegment.Offset, nlwsp, newIndent);
}
} catch (Exception e) {
LoggingService.LogError ("Error while indenting", e);
}
}
public string FormatText (CSharpFormattingPolicy policy, TextStylePolicy textPolicy, string mimeType, string input, int startOffset, int endOffset)
{
var data = new TextEditorData ();
data.Document.SuppressHighlightUpdate = true;
data.Document.MimeType = mimeType;
data.Document.FileName = "toformat.cs";
if (textPolicy != null) {
data.Options.TabsToSpaces = textPolicy.TabsToSpaces;
data.Options.TabSize = textPolicy.TabWidth;
data.Options.IndentationSize = textPolicy.IndentWidth;
data.Options.IndentStyle = textPolicy.RemoveTrailingWhitespace ? IndentStyle.Virtual : IndentStyle.Smart;
}
data.Text = input;
// System.Console.WriteLine ("-----");
// System.Console.WriteLine (data.Text.Replace (" ", ".").Replace ("\t", "->"));
// System.Console.WriteLine ("-----");
var parser = new CSharpParser ();
var compilationUnit = parser.Parse (data);
bool hadErrors = parser.HasErrors;
if (hadErrors) {
// foreach (var e in parser.ErrorReportPrinter.Errors)
// Console.WriteLine (e.Message);
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
var originalVersion = data.Document.Version;
var textEditorOptions = data.CreateNRefactoryTextEditorOptions ();
var formattingVisitor = new ICSharpCode.NRefactory.CSharp.CSharpFormatter (
policy.CreateOptions (),
textEditorOptions
) {
FormattingMode = FormattingMode.Intrusive
};
var changes = formattingVisitor.AnalyzeFormatting (data.Document, compilationUnit);
try {
changes.ApplyChanges (startOffset, endOffset - startOffset);
} catch (Exception e) {
LoggingService.LogError ("Error in code formatter", e);
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
// check if the formatter has produced errors
parser = new CSharpParser ();
parser.Parse (data);
if (parser.HasErrors) {
LoggingService.LogError ("C# formatter produced source code errors. See console for output.");
return input.Substring (startOffset, Math.Max (0, Math.Min (endOffset, input.Length) - startOffset));
}
var currentVersion = data.Document.Version;
string result = data.GetTextBetween (startOffset, originalVersion.MoveOffsetTo (currentVersion, endOffset, ICSharpCode.NRefactory.Editor.AnchorMovementType.Default));
data.Dispose ();
return result;
}
IStateMachineIndentEngine CreateTracker(TextEditorData data)
{
var policy = PolicyService.InvariantPolicies.Get <CSharpFormattingPolicy> ("text/x-csharp").CreateOptions();
var textStylePolicy = data.CreateNRefactoryTextEditorOptions();
textStylePolicy.IndentBlankLines = true;
var result = new CacheIndentEngine(new ICSharpCode.NRefactory.CSharp.CSharpIndentEngine(data.Document, textStylePolicy, policy));
result.Update (data.Caret.Offset);
return result;
}