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/source/library/Interlace/Differencing/OpCode.cs

https://bitbucket.org/VahidN/interlace
C# | 92 lines | 56 code | 11 blank | 25 comment | 6 complexity | 04dc7ef675cdd45096494cc8ed3e0143 MD5 | raw file
  1. #region Using Directives and Copyright Notice
  2. // Copyright (c) 2007-2010, Computer Consultancy Pty Ltd
  3. // All rights reserved.
  4. //
  5. // Redistribution and use in source and binary forms, with or without
  6. // modification, are permitted provided that the following conditions are met:
  7. // * Redistributions of source code must retain the above copyright
  8. // notice, this list of conditions and the following disclaimer.
  9. // * Redistributions in binary form must reproduce the above copyright
  10. // notice, this list of conditions and the following disclaimer in the
  11. // documentation and/or other materials provided with the distribution.
  12. // * Neither the name of the Computer Consultancy Pty Ltd nor the
  13. // names of its contributors may be used to endorse or promote products
  14. // derived from this software without specific prior written permission.
  15. //
  16. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17. // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19. // ARE DISCLAIMED. IN NO EVENT SHALL COMPUTER CONSULTANCY PTY LTD BE LIABLE
  20. // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21. // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22. // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23. // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24. // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25. // OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  26. // DAMAGE.
  27. using System;
  28. using System.Configuration;
  29. using System.Data;
  30. using System.Web;
  31. #endregion
  32. namespace Interlace.Differencing
  33. {
  34. public enum OpCodeOperation
  35. {
  36. None,
  37. Equal,
  38. Replace,
  39. Delete,
  40. Insert,
  41. }
  42. public struct OpCode
  43. {
  44. public OpCodeOperation operation;
  45. public int leftStart;
  46. public int leftEnd;
  47. public int rightStart;
  48. public int rightEnd;
  49. public OpCode(OpCodeOperation newOperation, int newLeftStart, int newLeftEnd, int newRightStart, int newRightEnd)
  50. {
  51. operation = newOperation;
  52. leftStart = newLeftStart;
  53. leftEnd = newLeftEnd;
  54. rightStart = newRightStart;
  55. rightEnd = newRightEnd;
  56. }
  57. public override bool Equals(object obj)
  58. {
  59. if (!(obj is OpCode)) return false;
  60. OpCode rhs = (OpCode)obj;
  61. return
  62. operation == rhs.operation &&
  63. leftStart == rhs.leftStart &&
  64. leftEnd == rhs.leftEnd &&
  65. rightStart == rhs.rightStart &&
  66. rightEnd == rhs.rightEnd;
  67. }
  68. public int leftLength
  69. {
  70. get { return leftEnd - leftStart; }
  71. }
  72. public int rightLength
  73. {
  74. get { return rightEnd - rightStart; }
  75. }
  76. public override int GetHashCode()
  77. {
  78. return (int)operation ^ leftStart ^ leftEnd ^ rightStart ^ rightEnd;
  79. }
  80. }
  81. }