mcs/class/System.Configuration/System.Configuration/ConfigurationSectionCollection.cs

   1 //
   2 // System.Configuration.ConfigurationSectionCollection.cs
   3 //
   4 // Authors:
   5 //      Duncan Mak (duncan@ximian.com)
   6 //  Lluis Sanchez Gual (lluis@novell.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  28 //
  29
  30 #if NET_2_0
  31 using System;
  32 using System.Collections;
  33 using System.Collections.Specialized;
  34 using System.Runtime.Serialization;
  35
  36 namespace System.Configuration
  37 {
  38         [Serializable]
  39         public sealed class ConfigurationSectionCollection : NameObjectCollectionBase
  40         {
  41                 SectionGroupInfo group;
  42                 Configuration config;
  43
  44                 internal ConfigurationSectionCollection (Configuration config, SectionGroupInfo group)
  45                         : base (StringComparer.Ordinal)
  46                 {
  47                         this.config = config;
  48                         this.group = group;
  49                 }
  50
  51                 public override NameObjectCollectionBase.KeysCollection Keys
  52                 {
  53                         get { return group.Sections.Keys; }
  54                 }
  55
  56                 public override int Count
  57                 {
  58                         get { return group.Sections.Count; }
  59                 }
  60
  61                 public ConfigurationSection this [string name]
  62                 {
  63                         get {
  64                                 ConfigurationSection sec = BaseGet (name) as ConfigurationSection;
  65                                 if (sec == null) {
  66                                         SectionInfo secData = group.Sections [name] as SectionInfo;
  67                                         if (secData == null) return null;
  68                                         sec = config.GetSectionInstance (secData, true);
  69                                         if (sec == null) return null;
  70                                         BaseSet (name, sec);
  71                                 }
  72                                 return sec;
  73                         }
  74                 }
  75
  76                 public ConfigurationSection this [int index]
  77                 {
  78                         get { return this [GetKey (index)]; }
  79                 }
  80
  81                 public void Add (string name, ConfigurationSection section)
  82                 {
  83                         config.CreateSection (group, name, section);
  84                 }
  85
  86                 public void Clear ()
  87                 {
  88                         if (group.Sections != null) {
  89                                 foreach (ConfigInfo data in group.Sections)
  90                                         config.RemoveConfigInfo (data);
  91                         }
  92                 }
  93
  94                 public void CopyTo (ConfigurationSection [] array, int index)
  95                 {
  96                         for (int n=0; n<group.Sections.Count; n++)
  97                                 array [n + index] = this [n];
  98                 }
  99
 100                 public ConfigurationSection Get (int index)
 101                 {
 102                         return this [index];
 103                 }
 104
 105                 public ConfigurationSection Get (string name)
 106                 {
 107                         return this [name];
 108                 }
 109
 110                 public override IEnumerator GetEnumerator()
 111                 {
 112                         foreach (string key in group.Sections.AllKeys)
 113                                 yield return this [key];
 114                 }
 115
 116                 public string GetKey (int index)
 117                 {
 118                         return group.Sections.GetKey (index);
 119                 }
 120
 121                 public void Remove (string name)
 122                 {
 123                         SectionInfo secData = group.Sections [name] as SectionInfo;
 124                         if (secData != null)
 125                                 config.RemoveConfigInfo (secData);
 126                 }
 127
 128                 public void RemoveAt (int index)
 129                 {
 130                         SectionInfo secData = group.Sections [index] as SectionInfo;
 131                         config.RemoveConfigInfo (secData);
 132                 }
 133
 134                 [MonoTODO]
 135                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 136                 {
 137                         throw new NotImplementedException ();
 138                 }
 139         }
 140 }
 141 #endif