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;
  11 using System.Collections;
  12 using System.Globalization;
  13
  14 namespace System.Xml.Serialization
  15 {
  16         /// <summary>
  17         /// Summary description for XmlAttributeOverrides.
  18         /// </summary>
  19         public class XmlAttributeOverrides
  20         {
  21
  22                 private Hashtable overrides;
  23
  24                 public XmlAttributeOverrides ()
  25                 {
  26                         overrides = new Hashtable();
  27                 }
  28
  29                 public XmlAttributes this [Type type]
  30                 {
  31                         get { return this [type, string.Empty]; }
  32                 }
  33
  34                 public XmlAttributes this [Type type, string member]
  35                 {
  36                         get
  37                         {
  38                                 return (XmlAttributes) overrides[GetKey(type,member)];
  39                         }
  40                 }
  41
  42                 public void Add (Type type, XmlAttributes attributes)
  43                 {
  44                         Add(type, string.Empty, attributes);
  45                 }
  46
  47                 public void Add (Type type, string member, XmlAttributes attributes)
  48                 {
  49                         if(overrides[GetKey(type, member)] != null)
  50                                 throw new Exception("The attributes for the given type and Member already exist in the collection");
  51
  52                         overrides.Add(GetKey(type,member), attributes);
  53                 }
  54
  55                 private TypeMember GetKey(Type type, string member)
  56                 {
  57                         return new TypeMember(type, member);
  58                 }
  59
  60                 internal void AddKeyHash (System.Text.StringBuilder sb)
  61                 {
  62                         sb.Append ("XAO ");
  63                         foreach (DictionaryEntry entry in overrides)
  64                         {
  65                                 XmlAttributes val = (XmlAttributes) entry.Value;
  66                                 IFormattable keyFormattable = entry.Key as IFormattable;
  67                                 sb.Append (keyFormattable != null ? keyFormattable.ToString (null, CultureInfo.InvariantCulture) : entry.Key.ToString()).Append(' ');
  68                                 val.AddKeyHash (sb);
  69                         }
  70                         sb.Append ("|");
  71                 }
  72         }
  73 }