mcs/class/referencesource/System.Xml/System/Xml/Serialization/NameTable.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="NameTable.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">Microsoft</owner>
   6 //------------------------------------------------------------------------------
   7
   8 namespace System.Xml.Serialization {
   9
  10     using System.Collections;
  11
  12     internal class NameKey {
  13         string ns;
  14         string name;
  15
  16         internal NameKey(string name, string ns) {
  17             this.name = name;
  18             this.ns = ns;
  19         }
  20
  21         public override bool Equals(object other) {
  22             if (!(other is NameKey)) return false;
  23             NameKey key = (NameKey)other;
  24             return name == key.name && ns == key.ns;
  25         }
  26
  27         public override int GetHashCode() {
  28             return (ns == null ? "<null>".GetHashCode() : ns.GetHashCode()) ^ (name == null ? 0 : name.GetHashCode());
  29         }
  30     }
  31     internal interface INameScope {
  32         object this[string name, string ns] {get; set;}
  33     }
  34     internal class NameTable : INameScope {
  35         Hashtable table = new Hashtable();
  36
  37         internal void Add(XmlQualifiedName qname, object value) {
  38             Add(qname.Name, qname.Namespace, value);
  39         }
  40
  41         internal void Add(string name, string ns, object value) {
  42             NameKey key = new NameKey(name, ns);
  43             table.Add(key, value);
  44         }
  45
  46         internal object this[XmlQualifiedName qname] {
  47             get {
  48                 return table[new NameKey(qname.Name, qname.Namespace)];
  49             }
  50             set {
  51                 table[new NameKey(qname.Name, qname.Namespace)] = value;
  52             }
  53         }
  54         internal object this[string name, string ns] {
  55             get {
  56                 return table[new NameKey(name, ns)];
  57             }
  58             set {
  59                 table[new NameKey(name, ns)] = value;
  60             }
  61         }
  62         object INameScope.this[string name, string ns] {
  63             get {
  64                 return table[new NameKey(name, ns)];
  65             }
  66             set {
  67                 table[new NameKey(name, ns)] = value;
  68             }
  69         }
  70
  71         internal ICollection Values {
  72             get { return table.Values; }
  73         }
  74
  75         internal Array ToArray(Type type) {
  76             Array a = Array.CreateInstance(type, table.Count);
  77             table.Values.CopyTo(a, 0);
  78             return a;
  79         }
  80     }
  81 }
  82