class/System/System.Collections.Specialized/StringDictionary.cs

   1 //
   2 // System.Collections.Specialized.StringDictionary.cs
   3 //
   4 // Author:
   5 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
   6 //
   7 // (C) Ximian, Inc.  http://www.ximian.com
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 #if !NET_2_1
  31 using System.ComponentModel.Design.Serialization;
  32 #endif
  33 using System.Globalization;
  34
  35 namespace System.Collections.Specialized {
  36
  37 #if NET_2_0
  38         [Serializable]
  39 #endif
  40 #if !NET_2_1
  41         [DesignerSerializer ("System.Diagnostics.Design.StringDictionaryCodeDomSerializer, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.Serialization.CodeDomSerializer, " + Consts.AssemblySystem_Design)]
  42 #endif
  43         public class StringDictionary : IEnumerable
  44         {
  45                 private Hashtable contents;
  46
  47                 public StringDictionary()
  48                 {
  49                         contents = new Hashtable();
  50                 }
  51
  52                 // Public Instance Properties
  53
  54                 public virtual int Count
  55                 {
  56                         get {
  57                                 return contents.Count;
  58                         }
  59                 }
  60
  61                 public virtual bool IsSynchronized
  62                 {
  63                         get {
  64                                 return false;
  65                         }
  66                 }
  67
  68                 public virtual string this[string key]
  69                 {
  70                         get {
  71 #if NET_2_0
  72                         if (key == null)
  73                                 throw new ArgumentNullException ("key");
  74 #endif
  75                         return (string) contents [key.ToLower (CultureInfo.InvariantCulture)];
  76                         }
  77
  78                         set {
  79 #if NET_2_0
  80                         if (key == null)
  81                                 throw new ArgumentNullException ("key");
  82 #endif
  83                                 contents[key.ToLower(CultureInfo.InvariantCulture)] = value;
  84                         }
  85                 }
  86
  87                 public virtual ICollection Keys
  88                 {
  89                         get {
  90                                 return contents.Keys;
  91                         }
  92                 }
  93
  94                 public virtual ICollection Values
  95                 {
  96                         get {
  97                                 return contents.Values;
  98                         }
  99                 }
 100
 101                 public virtual object SyncRoot
 102                 {
 103                         get {
 104                                 return contents.SyncRoot;
 105                         }
 106                 }
 107
 108                 // Public Instance Methods
 109
 110                 public virtual void Add(string key, string value)
 111                 {
 112 #if NET_2_0
 113                         if (key == null)
 114                                 throw new ArgumentNullException ("key");
 115 #endif
 116                         contents.Add (key.ToLower (CultureInfo.InvariantCulture), value);
 117                 }
 118
 119                 public virtual void Clear()
 120                 {
 121                         contents.Clear();
 122                 }
 123
 124                 public virtual bool ContainsKey(string key)
 125                 {
 126 #if NET_2_0
 127                         if (key == null)
 128                                 throw new ArgumentNullException ("key");
 129 #endif
 130                         return contents.ContainsKey (key.ToLower (CultureInfo.InvariantCulture));
 131                 }
 132
 133                 public virtual bool ContainsValue(string value)
 134                 {
 135                         return contents.ContainsValue(value);
 136                 }
 137
 138                 public virtual void CopyTo(Array array, int index)
 139                 {
 140                         contents.CopyTo(array, index);
 141                 }
 142
 143                 public virtual IEnumerator GetEnumerator()
 144                 {
 145                         return contents.GetEnumerator();
 146                 }
 147
 148                 public virtual void Remove(string key)
 149                 {
 150 #if NET_2_0
 151                         if (key == null)
 152                                 throw new ArgumentNullException ("key");
 153 #endif
 154                         contents.Remove (key.ToLower (CultureInfo.InvariantCulture));
 155                 }
 156         }
 157 }