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 using System;
  31 using System.Collections;
  32 using System.Collections.Specialized;
  33 using System.Runtime.Serialization;
  34
  35 namespace System.Configuration
  36 {
  37         [Serializable]
  38         public sealed class ConfigurationSectionCollection : NameObjectCollectionBase
  39         {
  40                 SectionGroupInfo group;
  41                 Configuration config;
  42
  43                 internal ConfigurationSectionCollection (Configuration config, SectionGroupInfo group)
  44                         : base (StringComparer.Ordinal)
  45                 {
  46                         this.config = config;
  47                         this.group = group;
  48                 }
  49
  50                 public override NameObjectCollectionBase.KeysCollection Keys
  51                 {
  52                         get { return group.Sections.Keys; }
  53                 }
  54
  55                 public override int Count
  56                 {
  57                         get { return group.Sections.Count; }
  58                 }
  59
  60                 public ConfigurationSection this [string name]
  61                 {
  62                         get {
  63                                 ConfigurationSection sec = BaseGet (name) as ConfigurationSection;
  64                                 if (sec == null) {
  65                                         SectionInfo secData = group.Sections [name] as SectionInfo;
  66                                         if (secData == null) return null;
  67                                         sec = config.GetSectionInstance (secData, true);
  68                                         if (sec == null) return null;
  69                                         BaseSet (name, sec);
  70                                 }
  71                                 return sec;
  72                         }
  73                 }
  74
  75                 public ConfigurationSection this [int index]
  76                 {
  77                         get { return this [GetKey (index)]; }
  78                 }
  79
  80                 public void Add (string name, ConfigurationSection section)
  81                 {
  82                         config.CreateSection (group, name, section);
  83                 }
  84
  85                 public void Clear ()
  86                 {
  87                         if (group.Sections != null) {
  88                                 foreach (ConfigInfo data in group.Sections)
  89                                         config.RemoveConfigInfo (data);
  90                         }
  91                 }
  92
  93                 public void CopyTo (ConfigurationSection [] array, int index)
  94                 {
  95                         for (int n=0; n<group.Sections.Count; n++)
  96                                 array [n + index] = this [n];
  97                 }
  98
  99                 public ConfigurationSection Get (int index)
 100                 {
 101                         return this [index];
 102                 }
 103
 104                 public ConfigurationSection Get (string name)
 105                 {
 106                         return this [name];
 107                 }
 108
 109                 public override IEnumerator GetEnumerator()
 110                 {
 111                         foreach (string key in group.Sections.AllKeys)
 112                                 yield return this [key];
 113                 }
 114
 115                 public string GetKey (int index)
 116                 {
 117                         return group.Sections.GetKey (index);
 118                 }
 119
 120                 public void Remove (string name)
 121                 {
 122                         SectionInfo secData = group.Sections [name] as SectionInfo;
 123                         if (secData != null)
 124                                 config.RemoveConfigInfo (secData);
 125                 }
 126
 127                 public void RemoveAt (int index)
 128                 {
 129                         SectionInfo secData = group.Sections [index] as SectionInfo;
 130                         config.RemoveConfigInfo (secData);
 131                 }
 132
 133                 [MonoTODO]
 134                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 135                 {
 136                         throw new NotImplementedException ();
 137                 }
 138         }
 139 }
 140