class/System.XML/System.Xml/XmlNotation.cs

   1 //
   2 // System.Xml.XmlNotation.cs
   3 //
   4 // Author:
   5 //      Duncan Mak  (duncan@ximian.com)
   6 //
   7 // (C) Ximian, Inc.
   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.Xml;
  33
  34 namespace System.Xml
  35 {
  36         public class XmlNotation : XmlNode
  37         {
  38                 #region Fields
  39
  40                 string localName;
  41                 string publicId;
  42                 string systemId;
  43                 string prefix;
  44
  45                 #endregion
  46
  47                 #region Constructor
  48
  49                 internal XmlNotation (string localName, string prefix, string publicId,
  50                                       string systemId, XmlDocument doc)
  51                         : base (doc)
  52                 {
  53                         this.localName = doc.NameTable.Add (localName);
  54                         this.prefix = doc.NameTable.Add (prefix);
  55                         this.publicId = publicId;
  56                         this.systemId = systemId;
  57                 }
  58
  59                 #endregion
  60
  61                 #region Properties
  62
  63                 public override string InnerXml {
  64                         get { return String.Empty; }
  65                         set { throw new InvalidOperationException ("This operation is not allowed."); }
  66                 }
  67
  68                 public override bool IsReadOnly {
  69                         get { return true; } // Notation nodes are always read-only
  70                 }
  71
  72                 public override string LocalName {
  73                         get { return localName; }
  74                 }
  75
  76                 public override string Name {
  77                         get { return (prefix != String.Empty) ? (prefix + ":" + localName) : localName; }
  78                 }
  79
  80                 public override XmlNodeType NodeType {
  81                         get { return XmlNodeType.Notation; }
  82                 }
  83
  84                 public override string OuterXml {
  85                         get { return String.Empty; }
  86                 }
  87
  88                 public string PublicId {
  89                         get {
  90                                 if (publicId != null)
  91                                         return publicId;
  92                                 else
  93                                         return null;
  94                         }
  95                 }
  96
  97                 public string SystemId {
  98                         get {
  99                                 if (systemId != null)
 100                                         return systemId;
 101                                 else
 102                                         return null;
 103                         }
 104                 }
 105
 106                 #endregion
 107
 108                 #region Methods
 109
 110                 public override XmlNode CloneNode (bool deep)
 111                 {
 112                         throw new InvalidOperationException ("This operation is not allowed.");
 113                 }
 114
 115                 public override void WriteContentTo (XmlWriter w) {     } // has no effect.
 116
 117                 public override void WriteTo (XmlWriter w) {    } // has no effect.
 118
 119                 #endregion
 120         }
 121 }