mcs/class/System.XML/System.Xml.Schema/XmlSchemaEnumerationFacet.cs

   1 // Author: Dwivedi, Ajay kumar\r
   2 //            Adwiv@Yahoo.com\r
   3
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24 using System;\r
  25 using System.Xml;\r
  26 \r
  27 namespace System.Xml.Schema\r
  28 {\r
  29         /// <summary>\r
  30         /// Summary description for XmlSchemaEnumerationFacet.\r
  31         /// </summary>\r
  32         public class XmlSchemaEnumerationFacet : XmlSchemaFacet\r
  33         {\r
  34                 const string xmlname = "enumeration";\r
  35                 public XmlSchemaEnumerationFacet()\r
  36                 {\r
  37                 }\r
  38 \r
  39                 internal override Facet ThisFacet { \r
  40                         get { return Facet.enumeration;}\r
  41                 }\r
  42         \r
  43 \r
  44                 //<enumeration\r
  45                 //  id = ID\r
  46                 //  value = anySimpleType\r
  47                 //  {any attributes with non-schema namespace . . .}>\r
  48                 //  Content: (annotation?)\r
  49                 //</enumeration>\r
  50                 internal static XmlSchemaEnumerationFacet Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  51                 {\r
  52                         XmlSchemaEnumerationFacet enumeration = new XmlSchemaEnumerationFacet();\r
  53                         reader.MoveToElement();\r
  54 \r
  55                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
  56                         {\r
  57                                 error(h,"Should not happen :1: XmlSchemaEnumerationFacet.Read, name="+reader.Name,null);\r
  58                                 reader.Skip();\r
  59                                 return null;\r
  60                         }\r
  61 \r
  62                         enumeration.LineNumber = reader.LineNumber;\r
  63                         enumeration.LinePosition = reader.LinePosition;\r
  64                         enumeration.SourceUri = reader.BaseURI;\r
  65 \r
  66                         while(reader.MoveToNextAttribute())\r
  67                         {\r
  68                                 if(reader.Name == "id")\r
  69                                 {\r
  70                                         enumeration.Id = reader.Value;\r
  71                                 }\r
  72                                 else if(reader.Name == "value")\r
  73                                 {\r
  74                                         enumeration.Value = reader.Value;\r
  75                                 }\r
  76                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
  77                                 {\r
  78                                         error(h,reader.Name + " is not a valid attribute for "+xmlname,null);\r
  79                                 }\r
  80                                 else\r
  81                                 {\r
  82                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,enumeration);\r
  83                                 }\r
  84                         }\r
  85                         \r
  86                         reader.MoveToElement();\r
  87                         if(reader.IsEmptyElement)\r
  88                                 return enumeration;\r
  89 \r
  90                         //  Content: (annotation?)\r
  91                         int level = 1;\r
  92                         while(reader.ReadNextElement())\r
  93                         {\r
  94                                 if(reader.NodeType == XmlNodeType.EndElement)\r
  95                                 {\r
  96                                         if(reader.LocalName != xmlname)\r
  97                                                 error(h,"Should not happen :2: XmlSchemaEnumerationFacet.Read, name="+reader.Name,null);\r
  98                                         break;\r
  99                                 }\r
 100                                 if(level <= 1 && reader.LocalName == "annotation")\r
 101                                 {\r
 102                                         level = 2;      //Only one annotation\r
 103                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 104                                         if(annotation != null)\r
 105                                                 enumeration.Annotation = annotation;\r
 106                                         continue;\r
 107                                 }\r
 108                                 reader.RaiseInvalidElementError();\r
 109                         }                       \r
 110                         return enumeration;\r
 111                 }\r
 112         }\r
 113 }\r