/NRefactory/ICSharpCode.NRefactory.CSharp/Refactoring/ContextAction/FlipOperatorArguments.cs

http://github.com/icsharpcode/ILSpy · C# · 59 lines · 29 code · 5 blank · 25 comment · 10 complexity · 6d897905da779d51eec7b1fb7dfea858 MD5 · raw file

  1. //
  2. // FlipOperatorArguments.cs
  3. //
  4. // Author:
  5. // Mike Kr?ger <mkrueger@novell.com>
  6. //
  7. // Copyright (c) 2011 Mike Kr?ger <mkrueger@novell.com>
  8. //
  9. // Permission is hereby granted, free of charge, to any person obtaining a copy
  10. // of this software and associated documentation files (the "Software"), to deal
  11. // in the Software without restriction, including without limitation the rights
  12. // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13. // copies of the Software, and to permit persons to whom the Software is
  14. // furnished to do so, subject to the following conditions:
  15. //
  16. // The above copyright notice and this permission notice shall be included in
  17. // all copies or substantial portions of the Software.
  18. //
  19. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24. // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25. // THE SOFTWARE.
  26. using System;
  27. namespace ICSharpCode.NRefactory.CSharp.Refactoring
  28. {
  29. public class FlipOperatorArguments : IContextAction
  30. {
  31. public bool IsValid (RefactoringContext context)
  32. {
  33. return GetBinaryOperatorExpression (context) != null;
  34. }
  35. public void Run (RefactoringContext context)
  36. {
  37. var binop = GetBinaryOperatorExpression (context);
  38. using (var script = context.StartScript ()) {
  39. script.Replace (binop.Left, binop.Right);
  40. script.Replace (binop.Right, binop.Left);
  41. }
  42. }
  43. public static BinaryOperatorExpression GetBinaryOperatorExpression (RefactoringContext context)
  44. {
  45. var node = context.GetNode<BinaryOperatorExpression> ();
  46. if (node == null || !node.OperatorToken.Contains (context.Location))
  47. return null;
  48. var result = node as BinaryOperatorExpression;
  49. if (result == null || (result.Operator != BinaryOperatorType.Equality && result.Operator != BinaryOperatorType.InEquality))
  50. return null;
  51. return result;
  52. }
  53. }
  54. }