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

   1 //\r
   2 // RelaxngDatatypeProvider.cs\r
   3 //\r
   4 // Author:\r
   5 //      Atsushi Enomoto <atsushi@ximian.com>\r
   6 //\r
   7 // (C)2004 Novell Inc.\r
   8 //\r
   9 \r
  10 using System;\r
  11 using System.Xml;\r
  12 using System.Xml.Schema;\r
  13 \r
  14 namespace Commons.Xml.Relaxng\r
  15 {\r
  16         public abstract class RelaxngDatatypeProvider\r
  17         {\r
  18                 public abstract RelaxngDatatype GetDatatype (string name, string ns, RelaxngParamList parameters);\r
  19         }\r
  20 \r
  21         internal class RelaxngNamespaceDatatypeProvider : RelaxngDatatypeProvider\r
  22         {\r
  23                 static RelaxngNamespaceDatatypeProvider instance;\r
  24                 static RelaxngDatatype stringType = RelaxngString.Instance;\r
  25                 static RelaxngDatatype tokenType = RelaxngToken.Instance;\r
  26 \r
  27                 static RelaxngNamespaceDatatypeProvider ()\r
  28                 {\r
  29                         instance = new RelaxngNamespaceDatatypeProvider ();\r
  30                 }\r
  31 \r
  32                 public static RelaxngNamespaceDatatypeProvider Instance {\r
  33                         get { return instance; }\r
  34                 }\r
  35 \r
  36                 private RelaxngNamespaceDatatypeProvider () {}\r
  37 \r
  38                 public override RelaxngDatatype GetDatatype (string name, string ns, RelaxngParamList parameters)\r
  39                 {\r
  40                         if (ns != String.Empty)\r
  41                                 throw new RelaxngException ("Not supported data type URI");\r
  42                         if (parameters != null && parameters.Count > 0)\r
  43                                 throw new RelaxngException ("Parameter is not allowed for this datatype: " + name);\r
  44 \r
  45                         switch (name) {\r
  46                         case "string":\r
  47                                 return stringType;\r
  48                         case "token":\r
  49                                 return tokenType;\r
  50                         }\r
  51                         return null;\r
  52                 }\r
  53         }\r
  54 }\r