mcs/class/System/System.CodeDom/CodeNamespaceImportCollection.cs

   1 //
   2 // System.CodeDom CodeNamespaceImportCollection Class implementation
   3 //
   4 // Author:
   5 //   Miguel de Icaza (miguel@ximian.com)
   6 //   Daniel Stodden (stodden@in.tum.de)
   7 //
   8 // (C) 2001 Ximian, Inc.
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  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
  31 using System.Runtime.InteropServices;
  32 using System.Collections;
  33
  34 namespace System.CodeDom
  35 {
  36         /*
  37          * Should probably be derived from CollectionBase like any
  38          * other System.CodeDom.*Collection. MS docs say it currently
  39          * is not, for whichever reason.
  40          */
  41         [Serializable]
  42         [ClassInterface(ClassInterfaceType.AutoDispatch)]
  43         [ComVisible(true)]
  44         public class CodeNamespaceImportCollection
  45                 : IList, ICollection, IEnumerable
  46         {
  47                 private Hashtable keys;
  48                 private ArrayList data;
  49
  50                 //
  51                 // Constructors
  52                 //
  53                 public CodeNamespaceImportCollection ()
  54                 {
  55                         data = new ArrayList ();
  56                         keys = new Hashtable (CaseInsensitiveHashCodeProvider.Default, CaseInsensitiveComparer.Default);
  57                 }
  58
  59                 //
  60                 // Properties
  61                 //
  62                 int ICollection.Count {
  63                         get {
  64                                 return data.Count;
  65                         }
  66                 }
  67
  68                 public int Count {
  69                         get {
  70                                 return data.Count;
  71                         }
  72                 }
  73
  74                 public CodeNamespaceImport this [int index] {
  75                         get {
  76                                 return (CodeNamespaceImport)data[index];
  77                         }
  78                         set {
  79                                 CodeNamespaceImport oldImport = (CodeNamespaceImport) data [index];
  80                                 CodeNamespaceImport newImport = (CodeNamespaceImport) value;
  81                                 keys.Remove (oldImport.Namespace);
  82                                 data[index] = value;
  83                                 keys [newImport.Namespace] = newImport;
  84                         }
  85                 }
  86
  87                 //
  88                 // Methods
  89                 //
  90                 public void Add (CodeNamespaceImport value)
  91                 {
  92                         if (value == null) {
  93                                 throw new NullReferenceException ();
  94                         }
  95
  96                         if (!keys.ContainsKey (value.Namespace)) {
  97                                 keys [value.Namespace] = value;
  98                                 data.Add (value);
  99                         }
 100                 }
 101
 102                 public void AddRange (CodeNamespaceImport [] value)
 103                 {
 104                         if (value == null) {
 105                                 throw new ArgumentNullException ("value");
 106                         }
 107
 108                         foreach (CodeNamespaceImport elem in value) {
 109                                 Add (elem);
 110                         }
 111                 }
 112
 113                 void IList.Clear ()
 114                 {
 115                         Clear ();
 116                 }
 117
 118                 public void Clear ()
 119                 {
 120                         data.Clear ();
 121                         keys.Clear ();
 122                 }
 123
 124                 // IList implementation
 125                 bool IList.IsFixedSize {
 126                         get {
 127                                 return false;
 128                         }
 129                 }
 130
 131                 bool IList.IsReadOnly {
 132                         get {
 133                                 return false;
 134                         }
 135                 }
 136
 137                 object IList.this[int index] {
 138                         get {
 139                                 return data[index];
 140                         }
 141                         set {
 142                                 this [index] = (CodeNamespaceImport) value;
 143                         }
 144                 }
 145
 146                 int IList.Add( object value )
 147                 {
 148                         Add ((CodeNamespaceImport) value);
 149                         return data.Count - 1;
 150                 }
 151
 152                 bool IList.Contains( object value )
 153                 {
 154                         return data.Contains( value );
 155                 }
 156
 157                 int IList.IndexOf( object value )
 158                 {
 159                         return data.IndexOf( value );
 160                 }
 161
 162                 void IList.Insert( int index, object value )
 163                 {
 164                         data.Insert( index, value );
 165                         CodeNamespaceImport import = (CodeNamespaceImport) value;
 166                         keys [import.Namespace] = import;
 167                 }
 168
 169                 void IList.Remove( object value )
 170                 {
 171                         string ns = ((CodeNamespaceImport)value).Namespace;
 172                         data.Remove( value );
 173                         foreach (CodeNamespaceImport import in data) {
 174                                 if (import.Namespace == ns) {
 175                                         keys [ns] = import;
 176                                         return;
 177                                 }
 178                         }
 179                         keys.Remove (ns);
 180                 }
 181
 182                 void IList.RemoveAt( int index )
 183                 {
 184                         string ns = this [index].Namespace;
 185                         data.RemoveAt( index );
 186                         foreach (CodeNamespaceImport import in data) {
 187                                 if (import.Namespace == ns) {
 188                                         keys [ns] = import;
 189                                         return;
 190                                 }
 191                         }
 192                         keys.Remove (ns);
 193                 }
 194
 195                 // ICollection implementation
 196                 object ICollection.SyncRoot {
 197                         get {
 198                                 return null;
 199                         }
 200                 }
 201
 202                 bool ICollection.IsSynchronized {
 203                         get {
 204                                 return data.IsSynchronized;
 205                         }
 206                 }
 207
 208                 void ICollection.CopyTo( Array array, int index )
 209                 {
 210                         data.CopyTo( array, index );
 211                 }
 212
 213                 // IEnumerable implementation
 214                 IEnumerator IEnumerable.GetEnumerator ()
 215                 {
 216                         return data.GetEnumerator();
 217                 }
 218
 219                 // IEnumerable implementation
 220                 public IEnumerator GetEnumerator ()
 221                 {
 222                         return data.GetEnumerator();
 223                 }
 224         }
 225 }