mcs/class/Commons.Xml.Relaxng/Commons.Xml.Relaxng/RelaxngDatatypeProvider.cs

   1 //
   2 // RelaxngDatatypeProvider.cs
   3 //
   4 // Author:
   5 //      Atsushi Enomoto <atsushi@ximian.com>
   6 //
   7 // Copyright (c) 2004 Novell Inc.
   8 // All rights reserved
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System;
  33 using System.Xml;
  34 using System.Xml.Schema;
  35
  36 namespace Commons.Xml.Relaxng
  37 {
  38         public abstract class RelaxngDatatypeProvider
  39         {
  40                 public abstract RelaxngDatatype GetDatatype (string name, string ns, RelaxngParamList parameters);
  41         }
  42
  43         internal class RelaxngNamespaceDatatypeProvider : RelaxngDatatypeProvider
  44         {
  45                 static RelaxngNamespaceDatatypeProvider instance;
  46                 static RelaxngDatatype stringType = RelaxngString.Instance;
  47                 static RelaxngDatatype tokenType = RelaxngToken.Instance;
  48
  49                 static RelaxngNamespaceDatatypeProvider ()
  50                 {
  51                         instance = new RelaxngNamespaceDatatypeProvider ();
  52                 }
  53
  54                 public static RelaxngNamespaceDatatypeProvider Instance {
  55                         get { return instance; }
  56                 }
  57
  58                 private RelaxngNamespaceDatatypeProvider () {}
  59
  60                 public override RelaxngDatatype GetDatatype (string name, string ns, RelaxngParamList parameters)
  61                 {
  62                         if (ns != String.Empty)
  63                                 throw new RelaxngException ("Not supported data type URI");
  64                         if (parameters != null && parameters.Count > 0)
  65                                 throw new RelaxngException ("Parameter is not allowed for this datatype: " + name);
  66
  67                         switch (name) {
  68                         case "string":
  69                                 return stringType;
  70                         case "token":
  71                                 return tokenType;
  72                         }
  73                         return null;
  74                 }
  75         }
  76 }