ResourceManager.ResourceName.cs 5.0 KB

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  1. //------------------------------------------------------------
  2. // Game Framework
  3. // Copyright © 2013-2021 loyalsoft. All rights reserved.
  4. // Homepage: http://www.game7000.com/
  5. // Feedback: http://www.game7000.com/
  6. //------------------------------------------------------------
  7. using System;
  8. using System.Runtime.InteropServices;
  9. namespace GameFramework.Resource
  10. {
  11. internal sealed partial class ResourceManager : GameFrameworkModule, IResourceManager
  12. {
  13. /// <summary>
  14. /// 资源名称。
  15. /// </summary>
  16. [StructLayout(LayoutKind.Auto)]
  17. private struct ResourceName : IComparable, IComparable<ResourceName>, IEquatable<ResourceName>
  18. {
  19. private readonly string m_Name;
  20. private readonly string m_Variant;
  21. private readonly string m_Extension;
  22. private string m_CachedFullName;
  23. /// <summary>
  24. /// 初始化资源名称的新实例。
  25. /// </summary>
  26. /// <param name="name">资源名称。</param>
  27. /// <param name="variant">变体名称。</param>
  28. /// <param name="extension">扩展名称。</param>
  29. public ResourceName(string name, string variant, string extension)
  30. {
  31. if (string.IsNullOrEmpty(name))
  32. {
  33. throw new GameFrameworkException("Resource name is invalid.");
  34. }
  35. if (string.IsNullOrEmpty(extension))
  36. {
  37. throw new GameFrameworkException("Resource extension is invalid.");
  38. }
  39. m_Name = name;
  40. m_Variant = variant;
  41. m_Extension = extension;
  42. m_CachedFullName = null;
  43. }
  44. /// <summary>
  45. /// 获取资源名称。
  46. /// </summary>
  47. public string Name
  48. {
  49. get
  50. {
  51. return m_Name;
  52. }
  53. }
  54. /// <summary>
  55. /// 获取变体名称。
  56. /// </summary>
  57. public string Variant
  58. {
  59. get
  60. {
  61. return m_Variant;
  62. }
  63. }
  64. /// <summary>
  65. /// 获取扩展名称。
  66. /// </summary>
  67. public string Extension
  68. {
  69. get
  70. {
  71. return m_Extension;
  72. }
  73. }
  74. public string FullName
  75. {
  76. get
  77. {
  78. if (m_CachedFullName == null)
  79. {
  80. m_CachedFullName = m_Variant != null ? Utility.Text.Format("{0}.{1}.{2}", m_Name, m_Variant, m_Extension) : Utility.Text.Format("{0}.{1}", m_Name, m_Extension);
  81. }
  82. return m_CachedFullName;
  83. }
  84. }
  85. public override string ToString()
  86. {
  87. return FullName;
  88. }
  89. public override int GetHashCode()
  90. {
  91. if (m_Variant == null)
  92. {
  93. return m_Name.GetHashCode() ^ m_Extension.GetHashCode();
  94. }
  95. return m_Name.GetHashCode() ^ m_Variant.GetHashCode() ^ m_Extension.GetHashCode();
  96. }
  97. public override bool Equals(object obj)
  98. {
  99. return (obj is ResourceName) && Equals((ResourceName)obj);
  100. }
  101. public bool Equals(ResourceName value)
  102. {
  103. return string.Equals(m_Name, value.m_Name, StringComparison.Ordinal) && string.Equals(m_Variant, value.m_Variant, StringComparison.Ordinal) && string.Equals(m_Extension, value.m_Extension, StringComparison.Ordinal);
  104. }
  105. public static bool operator ==(ResourceName a, ResourceName b)
  106. {
  107. return a.Equals(b);
  108. }
  109. public static bool operator !=(ResourceName a, ResourceName b)
  110. {
  111. return !(a == b);
  112. }
  113. public int CompareTo(object value)
  114. {
  115. if (value == null)
  116. {
  117. return 1;
  118. }
  119. if (!(value is ResourceName))
  120. {
  121. throw new GameFrameworkException("Type of value is invalid.");
  122. }
  123. return CompareTo((ResourceName)value);
  124. }
  125. public int CompareTo(ResourceName resourceName)
  126. {
  127. int result = string.CompareOrdinal(m_Name, resourceName.m_Name);
  128. if (result != 0)
  129. {
  130. return result;
  131. }
  132. result = string.CompareOrdinal(m_Variant, resourceName.m_Variant);
  133. if (result != 0)
  134. {
  135. return result;
  136. }
  137. return string.CompareOrdinal(m_Extension, resourceName.m_Extension);
  138. }
  139. }
  140. }
  141. }