mcs/class/System.Security/System.Security.Cryptography.Xml/XmlDsigNodeList.cs

   1 //
   2 // XmlDsigNodeList.cs - derived node list class for dsig
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // (C)2004 Novell Inc.
   8 //
   9 // This class is mostly copied from System.Xml/XmlNodeArrayList.cs
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System;
  34 using System.Collections;
  35 using System.Xml;
  36
  37 namespace System.Security.Cryptography.Xml
  38 {
  39         // Copied from XmlNodeArrayList.cs
  40         internal class XmlDsigNodeList : XmlNodeList
  41         {
  42                 ArrayList _rgNodes;
  43
  44                 public XmlDsigNodeList (ArrayList rgNodes)
  45                 {
  46                         _rgNodes = rgNodes;
  47                 }
  48
  49                 public override int Count { get { return _rgNodes.Count; } }
  50
  51                 public override IEnumerator GetEnumerator ()
  52                 {
  53                         return _rgNodes.GetEnumerator ();
  54                 }
  55
  56                 public override XmlNode Item (int index)
  57                 {
  58                         // Return null if index is out of range. by  DOM design.
  59                         if (index < 0 || _rgNodes.Count <= index)
  60                                 return null;
  61
  62                         return (XmlNode) _rgNodes [index];
  63                 }
  64         }
  65 }