PageRenderTime 52ms CodeModel.GetById 26ms RepoModel.GetById 0ms app.codeStats 0ms

/src/ZebraFlickr/CommandLine/ArgumentMap.cs

https://bitbucket.org/garethl/zebraflickr
C# | 116 lines | 55 code | 13 blank | 48 comment | 9 complexity | eafe4c563704e1b0d88cc06725cede5b MD5 | raw file
  1. #region License
  2. // Copyright (c) 2012 Gareth Lennox (garethl@dwakn.com)
  3. // All rights reserved.
  4. //
  5. // Redistribution and use in source and binary forms, with or without modification,
  6. // are permitted provided that the following conditions are met:
  7. //
  8. // * Redistributions of source code must retain the above copyright notice,
  9. // this list of conditions and the following disclaimer.
  10. // * Redistributions in binary form must reproduce the above copyright notice,
  11. // this list of conditions and the following disclaimer in the documentation
  12. // and/or other materials provided with the distribution.
  13. // * Neither the name of Gareth Lennox nor the names of its
  14. // contributors may be used to endorse or promote products derived from this
  15. // software without specific prior written permission.
  16. //
  17. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  18. // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19. // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20. // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  21. // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22. // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23. // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24. // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25. // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26. // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27. #endregion
  28. using System;
  29. using System.Reflection;
  30. namespace ZebraFlickr.CommandLine
  31. {
  32. /// <summary>
  33. /// Argument map
  34. /// </summary>
  35. public class ArgumentMap : DetailsAttribute
  36. {
  37. /// <summary>
  38. /// The decoder
  39. /// </summary>
  40. private IArgumentDecoder _decoderInst;
  41. /// <summary>
  42. /// The property
  43. /// </summary>
  44. public PropertyInfo Property { get; set; }
  45. /// <summary>
  46. /// Checks if the decoder found a value
  47. /// </summary>
  48. public bool HasValue
  49. {
  50. get { return GetDecoder().HasValue; }
  51. }
  52. /// <summary>
  53. /// Decoder to use
  54. /// </summary>
  55. public override Type Decoder
  56. {
  57. get { return base.Decoder; }
  58. set
  59. {
  60. base.Decoder = value;
  61. _decoderInst = null;
  62. }
  63. }
  64. /// <summary>
  65. /// Gets the decoder instance
  66. /// </summary>
  67. public IArgumentDecoder GetDecoder()
  68. {
  69. if (_decoderInst != null)
  70. return _decoderInst;
  71. IArgumentDecoder decoder;
  72. if (Decoder != null)
  73. {
  74. decoder = (IArgumentDecoder) Activator.CreateInstance(Decoder);
  75. }
  76. else if (Property.PropertyType.IsEnum)
  77. {
  78. decoder = new EnumArgumentDecoder();
  79. }
  80. else if (Property.PropertyType == typeof (TimeSpan))
  81. {
  82. decoder = new TimeSpanArgumentDecoder();
  83. }
  84. else
  85. {
  86. decoder = new DefaultArgumentDecoder();
  87. }
  88. decoder.Initialize(this);
  89. _decoderInst = decoder;
  90. return decoder;
  91. }
  92. /// <summary>
  93. /// Sets the value from the argument
  94. /// </summary>
  95. /// <param name="item">Item to set the argument on</param>
  96. /// <param name="argument">The argument</param>
  97. public void SetValue(object item, Parser.Argument argument)
  98. {
  99. var decoder = GetDecoder();
  100. decoder.Decode(item, argument);
  101. }
  102. }
  103. }