mcs/class/System.XML/System.Xml/XmlNodeArrayList.cs

   1 //
   2 // System.Xml.XmlNodeArrayList
   3 //
   4 // Author:
   5 //   Piers Haken <piersh@friskit.com>
   6 //
   7 // (C) 2002 Piers Haken
   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
  31 using System;
  32 using System.Collections;
  33
  34 namespace System.Xml
  35 {
  36         internal class XmlNodeArrayList : XmlNodeList
  37         {
  38                 ArrayList _rgNodes;
  39
  40                 public XmlNodeArrayList (ArrayList rgNodes)
  41                 {
  42                         _rgNodes = rgNodes;
  43                 }
  44
  45                 public override int Count { get { return _rgNodes.Count; } }
  46
  47                 public override IEnumerator GetEnumerator ()
  48                 {
  49                         return _rgNodes.GetEnumerator ();
  50                 }
  51
  52                 public override XmlNode Item (int index)
  53                 {
  54                         // Return null if index is out of range. by  DOM design.
  55                         if (index < 0 || _rgNodes.Count <= index)
  56                                 return null;
  57
  58                         return (XmlNode) _rgNodes [index];
  59                 }
  60         }
  61 }