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

   1 // Author: Dwivedi, Ajay kumar\r
   2 //            Adwiv@Yahoo.com\r
   3 using System;\r
   4 using System.Xml;\r
   5 \r
   6 namespace System.Xml.Schema\r
   7 {\r
   8         /// <summary>\r
   9         /// Summary description for XmlSchemaEnumerationFacet.\r
  10         /// </summary>\r
  11         public class XmlSchemaEnumerationFacet : XmlSchemaFacet\r
  12         {\r
  13                 private static string xmlname = "enumeration";\r
  14                 public XmlSchemaEnumerationFacet()\r
  15                 {\r
  16                 }\r
  17 \r
  18                 //<enumeration\r
  19                 //  id = ID\r
  20                 //  value = anySimpleType\r
  21                 //  {any attributes with non-schema namespace . . .}>\r
  22                 //  Content: (annotation?)\r
  23                 //</enumeration>\r
  24                 internal static XmlSchemaEnumerationFacet Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  25                 {\r
  26                         XmlSchemaEnumerationFacet enumeration = new XmlSchemaEnumerationFacet();\r
  27                         reader.MoveToElement();\r
  28 \r
  29                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
  30                         {\r
  31                                 error(h,"Should not happen :1: XmlSchemaEnumerationFacet.Read, name="+reader.Name,null);\r
  32                                 reader.Skip();\r
  33                                 return null;\r
  34                         }\r
  35 \r
  36                         enumeration.LineNumber = reader.LineNumber;\r
  37                         enumeration.LinePosition = reader.LinePosition;\r
  38                         enumeration.SourceUri = reader.BaseURI;\r
  39 \r
  40                         while(reader.MoveToNextAttribute())\r
  41                         {\r
  42                                 if(reader.Name == "id")\r
  43                                 {\r
  44                                         enumeration.Id = reader.Value;\r
  45                                 }\r
  46                                 else if(reader.Name == "value")\r
  47                                 {\r
  48                                         enumeration.Value = reader.Value;\r
  49                                 }\r
  50                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
  51                                 {\r
  52                                         error(h,reader.Name + " is not a valid attribute for "+xmlname,null);\r
  53                                 }\r
  54                                 else\r
  55                                 {\r
  56                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,enumeration);\r
  57                                 }\r
  58                         }\r
  59                         \r
  60                         reader.MoveToElement();\r
  61                         if(reader.IsEmptyElement)\r
  62                                 return enumeration;\r
  63 \r
  64                         //  Content: (annotation?)\r
  65                         int level = 1;\r
  66                         while(reader.ReadNextElement())\r
  67                         {\r
  68                                 if(reader.NodeType == XmlNodeType.EndElement)\r
  69                                 {\r
  70                                         if(reader.LocalName != xmlname)\r
  71                                                 error(h,"Should not happen :2: XmlSchemaEnumerationFacet.Read, name="+reader.Name,null);\r
  72                                         break;\r
  73                                 }\r
  74                                 if(level <= 1 && reader.LocalName == "annotation")\r
  75                                 {\r
  76                                         level = 2;      //Only one annotation\r
  77                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
  78                                         if(annotation != null)\r
  79                                                 enumeration.Annotation = annotation;\r
  80                                         continue;\r
  81                                 }\r
  82                                 reader.RaiseInvalidElementError();\r
  83                         }                       \r
  84                         return enumeration;\r
  85                 }\r
  86         }\r
  87 }\r