class/System.Web.Routing/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 #if NET_4_0
  43         [TypeForwardedFrom ("System.Web.Routing, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")]
  44 #endif
  45         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  46         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  47         public class RouteValueDictionary : IDictionary<string, object>
  48         {
  49                 internal class CaseInsensitiveStringComparer : IEqualityComparer<string>
  50                 {
  51                         public static readonly CaseInsensitiveStringComparer Instance = new CaseInsensitiveStringComparer ();
  52
  53                         public int GetHashCode (string obj)
  54                         {
  55                                 return obj.ToLower (CultureInfo.InvariantCulture).GetHashCode ();
  56                         }
  57
  58                         public bool Equals (string obj1, string obj2)
  59                         {
  60                                 return String.Equals (obj1, obj2, StringComparison.OrdinalIgnoreCase);
  61                         }
  62                 }
  63
  64                 Dictionary<string,object> d = new Dictionary<string,object> (CaseInsensitiveStringComparer.Instance);
  65
  66                 public RouteValueDictionary ()
  67                 {
  68                 }
  69
  70                 public RouteValueDictionary (IDictionary<string, object> dictionary)
  71                 {
  72                         if (dictionary == null)
  73                                 throw new ArgumentNullException ("dictionary");
  74                         foreach (var p in dictionary)
  75                                 Add (p.Key, p.Value);
  76                 }
  77
  78                 public RouteValueDictionary (object values) // anonymous type instance
  79                 {
  80                         if (values == null)
  81                                 return;
  82
  83                         foreach (var pi in values.GetType ().GetProperties ()) {
  84                                 try {
  85                                         Add (pi.Name, pi.GetValue (values, null));
  86                                 } catch {
  87                                         // ignore
  88                                 }
  89                         }
  90                 }
  91
  92                 public int Count {
  93                         get { return d.Count; }
  94                 }
  95
  96                 bool PairCollection.IsReadOnly {
  97                         get { return ((PairCollection) d).IsReadOnly; }
  98                 }
  99
 100                 ICollection<string> IDictionary<string, object>.Keys {
 101                         get { return d.Keys; }
 102                 }
 103
 104                 ICollection<Object> IDictionary<string, object>.Values {
 105                         get { return d.Values; }
 106                 }
 107
 108                 public object this [string key] {
 109                         get { object v; return d.TryGetValue (key, out v) ? v : null; }
 110                         set { d [key] = value; }
 111                 }
 112
 113                 public Dictionary<string, object>.KeyCollection Keys {
 114                         get { return d.Keys; }
 115                 }
 116
 117                 public Dictionary<string, object>.ValueCollection Values {
 118                         get { return d.Values; }
 119                 }
 120
 121                 public void Add (string key, object value)
 122                 {
 123                         d.Add (key, value);
 124                 }
 125
 126                 public void Clear ()
 127                 {
 128                         d.Clear ();
 129                 }
 130
 131                 public bool ContainsKey (string key)
 132                 {
 133                         return d.ContainsKey (key);
 134                 }
 135
 136                 public bool ContainsValue (object value)
 137                 {
 138                         return d.ContainsValue (value);
 139                 }
 140
 141                 public Dictionary<string, object>.Enumerator GetEnumerator ()
 142                 {
 143                         return d.GetEnumerator ();
 144                 }
 145
 146                 void ICollection<KeyValuePair<string, object>>.Add (KeyValuePair<string, object> item)
 147                 {
 148                         ((PairCollection) d).Add (item);
 149                 }
 150
 151                 bool ICollection<KeyValuePair<string, object>>.Contains (KeyValuePair<string, object> item)
 152                 {
 153                         return ((PairCollection) d).Contains (item);
 154                 }
 155
 156                 void ICollection<KeyValuePair<string, object>>.CopyTo (KeyValuePair<string, object> [] array, int arrayIndex)
 157                 {
 158                         ((PairCollection) d).CopyTo (array, arrayIndex);
 159                 }
 160
 161                 bool ICollection<KeyValuePair<string, object>>.Remove (KeyValuePair<string, object> item)
 162                 {
 163                         return ((PairCollection) d).Remove (item);
 164                 }
 165
 166                 IEnumerator<KeyValuePair<string, object>> IEnumerable<KeyValuePair<string, object>>.GetEnumerator()
 167                 {
 168                         return d.GetEnumerator ();
 169                 }
 170
 171                 IEnumerator IEnumerable.GetEnumerator ()
 172                 {
 173                         return d.GetEnumerator ();
 174                 }
 175
 176                 public bool Remove (string key)
 177                 {
 178                         return d.Remove (key);
 179                 }
 180
 181                 public bool TryGetValue (string key, out object value)
 182                 {
 183                         return d.TryGetValue (key, out value);
 184                 }
 185         }
 186 }