mcs/class/System.XML/System.Xml.Schema/XmlSchemaWhiteSpaceFacet.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 XmlSchemaWhiteSpaceFacet.\r
  10         /// </summary>\r
  11         public class XmlSchemaWhiteSpaceFacet : XmlSchemaFacet\r
  12         {\r
  13                 private static string xmlname = "whiteSpace";\r
  14 \r
  15                 public XmlSchemaWhiteSpaceFacet()\r
  16                 {\r
  17                 }\r
  18                 //      <whiteSpace\r
  19                 //      fixed = boolean : false\r
  20                 //      id = ID\r
  21                 //      value = (collapse | preserve | replace)\r
  22                 //      {any attributes with non-schema namespace . . .}>\r
  23                 //      Content: (annotation?)\r
  24                 //      </whiteSpace>\r
  25                 internal static XmlSchemaWhiteSpaceFacet Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  26                 {\r
  27                         XmlSchemaWhiteSpaceFacet ws = new XmlSchemaWhiteSpaceFacet();\r
  28                         reader.MoveToElement();\r
  29 \r
  30                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
  31                         {\r
  32                                 error(h,"Should not happen :1: XmlSchemaWhiteSpaceFacet.Read, name="+reader.Name,null);\r
  33                                 reader.Skip();\r
  34                                 return null;\r
  35                         }\r
  36 \r
  37                         ws.LineNumber = reader.LineNumber;\r
  38                         ws.LinePosition = reader.LinePosition;\r
  39                         ws.SourceUri = reader.BaseURI;\r
  40 \r
  41                         while(reader.MoveToNextAttribute())\r
  42                         {\r
  43                                 if(reader.Name == "id")\r
  44                                 {\r
  45                                         ws.Id = reader.Value;\r
  46                                 }\r
  47                                 else if(reader.Name == "fixed")\r
  48                                 {\r
  49                                         Exception innerex;\r
  50                                         ws.IsFixed = XmlSchemaUtil.ReadBoolAttribute(reader,out innerex);\r
  51                                         if(innerex != null)\r
  52                                                 error(h, reader.Value + " is not a valid value for fixed attribute",innerex);\r
  53                                 }\r
  54                                 else if(reader.Name == "value")\r
  55                                 {\r
  56                                         ws.Value = reader.Value;\r
  57                                 }\r
  58                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
  59                                 {\r
  60                                         error(h,reader.Name + " is not a valid attribute for "+xmlname,null);\r
  61                                 }\r
  62                                 else\r
  63                                 {\r
  64                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,ws);\r
  65                                 }\r
  66                         }\r
  67                         \r
  68                         reader.MoveToElement();\r
  69                         if(reader.IsEmptyElement)\r
  70                                 return ws;\r
  71 \r
  72                         //  Content: (annotation?)\r
  73                         int level = 1;\r
  74                         while(reader.ReadNextElement())\r
  75                         {\r
  76                                 if(reader.NodeType == XmlNodeType.EndElement)\r
  77                                 {\r
  78                                         if(reader.LocalName != xmlname)\r
  79                                                 error(h,"Should not happen :2: XmlSchemaWhiteSpaceFacet.Read, name="+reader.Name,null);\r
  80                                         break;\r
  81                                 }\r
  82                                 if(level <= 1 && reader.LocalName == "annotation")\r
  83                                 {\r
  84                                         level = 2;      //Only one annotation\r
  85                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
  86                                         if(annotation != null)\r
  87                                                 ws.Annotation = annotation;\r
  88                                         continue;\r
  89                                 }\r
  90                                 reader.RaiseInvalidElementError();\r
  91                         }                       \r
  92                         return ws;\r
  93                 }\r
  94 \r
  95 \r
  96         }\r
  97 }\r