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

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