mcs/class/System.Web/System.Web.Routing/RouteValueDictionary.cs

   1 //
   2 // RouteValueDictionary.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (C) 2008 Novell Inc. http://novell.com
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30 using System;
  31 using System.Collections;
  32 using System.Collections.Generic;
  33 using System.Globalization;
  34 using System.Runtime.CompilerServices;
  35 using System.Security.Permissions;
  36 using System.Web;
  37
  38 using PairCollection = System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<string, object>>;
  39
  40 namespace System.Web.Routing
  41 {
  42         [TypeForwardedFrom ("System.Web.Routing, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")]
  43         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  44         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  45         public class RouteValueDictionary : IDictionary<string, object>
  46         {
  47                 internal class CaseInsensitiveStringComparer : IEqualityComparer<string>
  48                 {
  49                         public static readonly CaseInsensitiveStringComparer Instance = new CaseInsensitiveStringComparer ();
  50
  51                         public int GetHashCode (string obj)
  52                         {
  53                                 return obj.ToLower (CultureInfo.InvariantCulture).GetHashCode ();
  54                         }
  55
  56                         public bool Equals (string obj1, string obj2)
  57                         {
  58                                 return String.Equals (obj1, obj2, StringComparison.OrdinalIgnoreCase);
  59                         }
  60                 }
  61
  62                 Dictionary<string,object> d = new Dictionary<string,object> (CaseInsensitiveStringComparer.Instance);
  63
  64                 public RouteValueDictionary ()
  65                 {
  66                 }
  67
  68                 public RouteValueDictionary (IDictionary<string, object> dictionary)
  69                 {
  70                         if (dictionary == null)
  71                                 throw new ArgumentNullException ("dictionary");
  72                         foreach (var p in dictionary)
  73                                 Add (p.Key, p.Value);
  74                 }
  75
  76                 public RouteValueDictionary (object values) // anonymous type instance
  77                 {
  78                         if (values == null)
  79                                 return;
  80
  81                         foreach (var pi in values.GetType ().GetProperties ()) {
  82                                 try {
  83                                         Add (pi.Name, pi.GetValue (values, null));
  84                                 } catch {
  85                                         // ignore
  86                                 }
  87                         }
  88                 }
  89
  90                 public int Count {
  91                         get { return d.Count; }
  92                 }
  93
  94                 bool PairCollection.IsReadOnly {
  95                         get { return ((PairCollection) d).IsReadOnly; }
  96                 }
  97
  98                 ICollection<string> IDictionary<string, object>.Keys {
  99                         get { return d.Keys; }
 100                 }
 101
 102                 ICollection<Object> IDictionary<string, object>.Values {
 103                         get { return d.Values; }
 104                 }
 105
 106                 public object this [string key] {
 107                         get { object v; return d.TryGetValue (key, out v) ? v : null; }
 108                         set { d [key] = value; }
 109                 }
 110
 111                 public Dictionary<string, object>.KeyCollection Keys {
 112                         get { return d.Keys; }
 113                 }
 114
 115                 public Dictionary<string, object>.ValueCollection Values {
 116                         get { return d.Values; }
 117                 }
 118
 119                 public void Add (string key, object value)
 120                 {
 121                         d.Add (key, value);
 122                 }
 123
 124                 public void Clear ()
 125                 {
 126                         d.Clear ();
 127                 }
 128
 129                 public bool ContainsKey (string key)
 130                 {
 131                         return d.ContainsKey (key);
 132                 }
 133
 134                 public bool ContainsValue (object value)
 135                 {
 136                         return d.ContainsValue (value);
 137                 }
 138
 139                 public Dictionary<string, object>.Enumerator GetEnumerator ()
 140                 {
 141                         return d.GetEnumerator ();
 142                 }
 143
 144                 void ICollection<KeyValuePair<string, object>>.Add (KeyValuePair<string, object> item)
 145                 {
 146                         ((PairCollection) d).Add (item);
 147                 }
 148
 149                 bool ICollection<KeyValuePair<string, object>>.Contains (KeyValuePair<string, object> item)
 150                 {
 151                         return ((PairCollection) d).Contains (item);
 152                 }
 153
 154                 void ICollection<KeyValuePair<string, object>>.CopyTo (KeyValuePair<string, object> [] array, int arrayIndex)
 155                 {
 156                         ((PairCollection) d).CopyTo (array, arrayIndex);
 157                 }
 158
 159                 bool ICollection<KeyValuePair<string, object>>.Remove (KeyValuePair<string, object> item)
 160                 {
 161                         return ((PairCollection) d).Remove (item);
 162                 }
 163
 164                 IEnumerator<KeyValuePair<string, object>> IEnumerable<KeyValuePair<string, object>>.GetEnumerator()
 165                 {
 166                         return d.GetEnumerator ();
 167                 }
 168
 169                 IEnumerator IEnumerable.GetEnumerator ()
 170                 {
 171                         return d.GetEnumerator ();
 172                 }
 173
 174                 public bool Remove (string key)
 175                 {
 176                         return d.Remove (key);
 177                 }
 178
 179                 public bool TryGetValue (string key, out object value)
 180                 {
 181                         return d.TryGetValue (key, out value);
 182                 }
 183         }
 184 }