/Debugger/Debugger.Core/Mono.Cecil/Mono.Cecil.Metadata/MetadataToken.cs

http://github.com/icsharpcode/ILSpy · C# · 99 lines · 56 code · 16 blank · 27 comment · 6 complexity · e0d278c509279fc4492c442359274707 MD5 · raw file

  1. //
  2. // MetadataToken.cs
  3. //
  4. // Author:
  5. // Jb Evain (jbevain@gmail.com)
  6. //
  7. // (C) 2005 Jb Evain
  8. //
  9. // Permission is hereby granted, free of charge, to any person obtaining
  10. // a copy of this software and associated documentation files (the
  11. // "Software"), to deal in the Software without restriction, including
  12. // without limitation the rights to use, copy, modify, merge, publish,
  13. // distribute, sublicense, and/or sell copies of the Software, and to
  14. // permit persons to whom the Software is furnished to do so, subject to
  15. // the following conditions:
  16. //
  17. // The above copyright notice and this permission notice shall be
  18. // included in all copies or substantial portions of the Software.
  19. //
  20. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21. // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23. // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24. // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25. // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26. // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27. //
  28. namespace Mono.Cecil.Metadata {
  29. public struct MetadataToken {
  30. uint m_rid;
  31. TokenType m_type;
  32. public uint RID {
  33. get { return m_rid; }
  34. }
  35. public TokenType TokenType {
  36. get { return m_type; }
  37. }
  38. public static readonly MetadataToken Zero = new MetadataToken ((TokenType) 0, 0);
  39. public MetadataToken (int token)
  40. {
  41. m_type = (TokenType) (token & 0xff000000);
  42. m_rid = (uint) token & 0x00ffffff;
  43. }
  44. public MetadataToken (TokenType table, uint rid)
  45. {
  46. m_type = table;
  47. m_rid = rid;
  48. }
  49. internal static MetadataToken FromMetadataRow (TokenType table, int rowIndex)
  50. {
  51. return new MetadataToken (table, (uint) rowIndex + 1);
  52. }
  53. public uint ToUInt ()
  54. {
  55. return (uint) m_type | m_rid;
  56. }
  57. public override int GetHashCode ()
  58. {
  59. return (int) ToUInt ();
  60. }
  61. public override bool Equals (object other)
  62. {
  63. if (other is MetadataToken) {
  64. MetadataToken o = (MetadataToken) other;
  65. return o.m_rid == m_rid && o.m_type == m_type;
  66. }
  67. return false;
  68. }
  69. public static bool operator == (MetadataToken one, MetadataToken other)
  70. {
  71. return one.Equals (other);
  72. }
  73. public static bool operator != (MetadataToken one, MetadataToken other)
  74. {
  75. return !one.Equals (other);
  76. }
  77. public override string ToString ()
  78. {
  79. return string.Format ("{0} [0x{1}]",
  80. m_type, m_rid.ToString ("x4"));
  81. }
  82. }
  83. }