コード例 #1
0
        void HandleTextReplacing(object sender, Core.Text.TextChangeEventArgs e)
        {
            var handler = TextChanged;

            if (handler != null)
            {
                lock (replaceLock) {
                    var oldText      = CurrentText;
                    var changes      = new Microsoft.CodeAnalysis.Text.TextChange[e.TextChanges.Count];
                    var changeRanges = new TextChangeRange[e.TextChanges.Count];
                    for (int i = 0; i < e.TextChanges.Count; ++i)
                    {
                        var c    = e.TextChanges[i];
                        var span = new TextSpan(c.Offset, c.RemovalLength);
                        changes[i]      = new Microsoft.CodeAnalysis.Text.TextChange(span, c.InsertedText.Text);
                        changeRanges[i] = new TextChangeRange(span, c.InsertionLength);
                    }
                    var newText = oldText.WithChanges(changes);
                    currentText = newText;
                    try {
                        handler(this, new Microsoft.CodeAnalysis.Text.TextChangeEventArgs(oldText, newText, changeRanges));
                    } catch (ArgumentException ae) {
                        LoggingService.LogWarning(ae.Message + " re opening " + editor.FileName + " as roslyn source text.");
                        workspace.InformDocumentClose(Id, editor.FileName);
                        Dispose();                          // 100% ensure that this object is disposed
                        if (workspace.GetDocument(Id) != null)
                        {
                            TypeSystemService.InformDocumentOpen(Id, editor);
                        }
                    } catch (Exception ex) {
                        LoggingService.LogError("Error while text replacing", ex);
                    }
                }
            }
        }