mcs/class/System.XML/System.Xml.Serialization/XmlAttributeOverrides.cs

   1 //
   2 // XmlAttributeOverrides.cs:
   3 //
   4 // Author:
   5 //   John Donagher (john@webmeta.com)
   6 //
   7 // (C) 2002 John Donagher
   8 //
   9
  10 using System;\r
  11 using System.Collections;\r
  12 \r
  13 namespace System.Xml.Serialization\r
  14 {\r
  15         /// <summary>\r
  16         /// Summary description for XmlAttributeOverrides.\r
  17         /// </summary>\r
  18         public class XmlAttributeOverrides\r
  19         {\r
  20                 \r
  21                 private Hashtable overrides;\r
  22 \r
  23                 public XmlAttributeOverrides ()\r
  24                 {\r
  25                         overrides = new Hashtable();\r
  26                 }\r
  27 \r
  28                 public XmlAttributes this [Type type] \r
  29                 {\r
  30                         get { return this [type, string.Empty]; }\r
  31                 }\r
  32 \r
  33                 public XmlAttributes this [Type type, string member]\r
  34                 {\r
  35                         get \r
  36                         {\r
  37                                 return (XmlAttributes) overrides[GetKey(type,member)];\r
  38                         }\r
  39                 }\r
  40 \r
  41                 public void Add (Type type, XmlAttributes attributes) \r
  42                 {\r
  43                         Add(type, string.Empty, attributes);\r
  44                 }\r
  45 \r
  46                 public void Add (Type type, string member, XmlAttributes attributes) \r
  47                 {\r
  48                         if(overrides[GetKey(type, member)] != null)\r
  49                                 throw new Exception("The attributes for the given type and Member already exist in the collection");\r
  50                         \r
  51                         overrides.Add(GetKey(type,member), attributes);\r
  52                 }\r
  53 \r
  54                 private TypeMember GetKey(Type type, string member)\r
  55                 {\r
  56                         return new TypeMember(type, member);\r
  57                 }\r
  58 \r
  59                 internal bool InternalEquals (XmlAttributeOverrides other)\r
  60                 {\r
  61                         if (other == null) return false;\r
  62                         if (overrides.Count != other.overrides.Count) return false;\r
  63                         \r
  64                         foreach (DictionaryEntry entry in overrides)\r
  65                         {\r
  66                                 XmlAttributes val = (XmlAttributes) other.overrides [entry.Key];\r
  67                                 if (val == null || !val.Equals ((XmlAttributes) entry.Value)) return false;\r
  68                         }\r
  69                         return true;\r
  70                 }\r
  71         }\r
  72 }