AvalonStudio.Languages.CSharp.CSharpLanguageService.RegisterSourceFile C# (CSharp) Method

        public void RegisterSourceFile(IIntellisenseControl intellisenseControl, ICompletionAssistant completionAssistant, TextEditor editor, ISourceFile file, TextDocument textDocument)
        {
            CSharpDataAssociation association = null;

            if (dataAssociations.TryGetValue(file, out association))
            {
                throw new Exception("Source file already registered with language service.");
            }

            association = new CSharpDataAssociation(textDocument);
            association.Solution = file.Project.Solution as OmniSharpSolution; // CanHandle has checked this.

            dataAssociations.Add(file, association);

            association.KeyUpHandler = (sender, e) =>
            {
                if (editor.TextDocument == textDocument)
                {
                    switch (e.Key)
                    {
                        case Key.Return:
                            {
                                if (editor.CaretIndex >= 0 && editor.CaretIndex < editor.TextDocument.TextLength)
                                {
                                    if (editor.TextDocument.GetCharAt(editor.CaretIndex) == '}')
                                    {
                                        editor.TextDocument.Insert(editor.CaretIndex, Environment.NewLine);
                                        editor.CaretIndex--;

                                        var currentLine = editor.TextDocument.GetLineByOffset(editor.CaretIndex);

                                        editor.CaretIndex = IndentationStrategy.IndentLine(editor.TextDocument, currentLine, editor.CaretIndex);
                                        editor.CaretIndex = IndentationStrategy.IndentLine(editor.TextDocument, currentLine.NextLine.NextLine,
                                            editor.CaretIndex);
                                        editor.CaretIndex = IndentationStrategy.IndentLine(editor.TextDocument, currentLine.NextLine, editor.CaretIndex);
                                    }

                                    var newCaret = IndentationStrategy.IndentLine(editor.TextDocument,
                                        editor.TextDocument.GetLineByOffset(editor.CaretIndex), editor.CaretIndex);

                                    editor.CaretIndex = newCaret;
                                }
                            }
                            break;
                    }
                }
            };

            editor.AddHandler(InputElement.KeyUpEvent, association.KeyUpHandler, RoutingStrategies.Tunnel);
        }