/// <summary>
/// Formats the specified part of the document.
/// </summary>
public static void Format(IDocument document, int offset, int length, CSharpFormattingOptions options)
{
var syntaxTree = new CSharpParser().Parse(document);
var fv = new AstFormattingVisitor(options, document);
fv.FormattingRegion = new DomRegion(document.GetLocation(offset), document.GetLocation(offset + length));
syntaxTree.AcceptVisitor(fv);
fv.ApplyChanges(offset, length);
}
/*public static string ApplyChanges (string text, List<TextReplaceAction> changes)
{
changes.Sort ((x, y) => y.Offset.CompareTo (x.Offset));
StringBuilder b = new StringBuilder(text);
foreach (var change in changes) {
//Console.WriteLine ("---- apply:" + change);
// Console.WriteLine (adapter.Text);
if (change.Offset > b.Length)
continue;
b.Remove(change.Offset, change.RemovedChars);
b.Insert(change.Offset, change.InsertedText);
}
// Console.WriteLine ("---result:");
// Console.WriteLine (adapter.Text);
return b.ToString();
}*/
protected static IDocument GetResult (CSharpFormattingOptions policy, string input, FormattingMode mode = FormattingMode.OnTheFly)
{
input = NormalizeNewlines (input);
var document = new StringBuilderDocument (input);
var options = new TextEditorOptions ();
options.EolMarker = "\n";
var visitor = new AstFormattingVisitor (policy, document, options);
visitor.FormattingMode = mode;
var compilationUnit = new CSharpParser ().Parse (document, "test.cs");
compilationUnit.AcceptVisitor (visitor);
visitor.ApplyChanges();
return document;
}
/*public static string ApplyChanges (string text, List<TextReplaceAction> changes)
{
changes.Sort ((x, y) => y.Offset.CompareTo (x.Offset));
StringBuilder b = new StringBuilder(text);
foreach (var change in changes) {
//Console.WriteLine ("---- apply:" + change);
// Console.WriteLine (adapter.Text);
if (change.Offset > b.Length)
continue;
b.Remove(change.Offset, change.RemovedChars);
b.Insert(change.Offset, change.InsertedText);
}
// Console.WriteLine ("---result:");
// Console.WriteLine (adapter.Text);
return b.ToString();
}*/
protected static IDocument GetResult(CSharpFormattingOptions policy, string input, FormattingMode mode = FormattingMode.Intrusive)
{
input = NormalizeNewlines(input);
var document = new StringBuilderDocument(input);
var options = new TextEditorOptions();
options.EolMarker = "\n";
options.WrapLineLength = 80;
var visitor = new AstFormattingVisitor (policy, document, options);
visitor.FormattingMode = mode;
var syntaxTree = new CSharpParser ().Parse (document, "test.cs");
syntaxTree.AcceptVisitor (visitor);
visitor.ApplyChanges();
return document;
}
public CodeFormatResponse Format(CodeFormatRequest request)
{
var document = new StringBuilderDocument(request.Buffer);
var options = new TextEditorOptions();
options.EolMarker = Environment.NewLine;
options.WrapLineLength = 80;
options.TabsToSpaces = request.ExpandTab;
var policy = FormattingOptionsFactory.CreateAllman();
var visitor = new AstFormattingVisitor(policy, document, options);
visitor.FormattingMode = FormattingMode.Intrusive;
var syntaxTree = new CSharpParser().Parse(document, request.FileName);
syntaxTree.AcceptVisitor(visitor);
visitor.ApplyChanges();
return new CodeFormatResponse(document.Text);
}
protected static void Continue (CSharpFormattingOptions policy, IDocument document, string expectedOutput, FormattingMode formattingMode = FormattingMode.OnTheFly)
{
expectedOutput = NormalizeNewlines (expectedOutput);
var options = new TextEditorOptions ();
options.EolMarker = "\n";
var visitior = new AstFormattingVisitor (policy, document, options);
visitior.FormattingMode = formattingMode;
var syntaxTree = new CSharpParser ().Parse (document, "test.cs");
syntaxTree.AcceptVisitor (visitior);
visitior.ApplyChanges();
string newText = document.Text;
if (expectedOutput != newText) {
Console.WriteLine (newText);
}
Assert.AreEqual (expectedOutput, newText);
}
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.AstFormattingVisitor (policy.CreateOptions (), data.Document, textEditorOptions) {
HadErrors = hadErrors
};
compilationUnit.AcceptVisitor (formattingVisitor);
try {
formattingVisitor.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;
}