mcs/class/System.XML/System.Xml.Schema/XmlSchemaImport.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 using System.Xml.Serialization;\r
  27 \r
  28 namespace System.Xml.Schema\r
  29 {\r
  30         /// <summary>\r
  31         /// Summary description for XmlSchemaImport.\r
  32         /// </summary>\r
  33         public class XmlSchemaImport : XmlSchemaExternal\r
  34         {\r
  35                 private XmlSchemaAnnotation annotation;\r
  36                 private string nameSpace;\r
  37                 const string xmlname = "import";\r
  38 \r
  39                 public XmlSchemaImport()\r
  40                 {\r
  41                 }\r
  42                 \r
  43                 [System.Xml.Serialization.XmlAttribute("namespace", DataType="anyURI")]\r
  44                 public string Namespace \r
  45                 {\r
  46                         get{ return  nameSpace; } \r
  47                         set{ nameSpace = value; }\r
  48                 }\r
  49 \r
  50                 [XmlElement("annotation", Type=typeof (XmlSchemaAnnotation))]\r
  51                 public XmlSchemaAnnotation Annotation \r
  52                 {\r
  53                         get{ return  annotation; } \r
  54                         set{ annotation = value; }\r
  55                 }\r
  56                 //<import \r
  57                 //  id = ID \r
  58                 //  namespace = anyURI \r
  59                 //  schemaLocation = anyURI \r
  60                 //  {any attributes with non-schema namespace . . .}>\r
  61                 //  Content: (annotation?)\r
  62                 //</import>\r
  63                 internal static XmlSchemaImport Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  64                 {\r
  65                         XmlSchemaImport import = new XmlSchemaImport();\r
  66                         reader.MoveToElement();\r
  67 \r
  68                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != "import")\r
  69                         {\r
  70                                 error(h,"Should not happen :1: XmlSchemaImport.Read, name="+reader.Name,null);\r
  71                                 reader.SkipToEnd();\r
  72                                 return null;\r
  73                         }\r
  74 \r
  75                         import.LineNumber = reader.LineNumber;\r
  76                         import.LinePosition = reader.LinePosition;\r
  77                         import.SourceUri = reader.BaseURI;\r
  78 \r
  79                         while(reader.MoveToNextAttribute())\r
  80                         {\r
  81                                 if(reader.Name == "id")\r
  82                                 {\r
  83                                         import.Id = reader.Value;\r
  84                                 }\r
  85                                 else if(reader.Name == "namespace")\r
  86                                 {\r
  87                                         import.nameSpace = reader.Value;\r
  88                                 }\r
  89                                 else if(reader.Name == "schemaLocation")\r
  90                                 {\r
  91                                         import.SchemaLocation = reader.Value;\r
  92                                 }\r
  93                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
  94                                 {\r
  95                                         error(h,reader.Name + " is not a valid attribute for import",null);\r
  96                                 }\r
  97                                 else\r
  98                                 {\r
  99                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,import);\r
 100                                 }\r
 101                         }\r
 102 \r
 103                         reader.MoveToElement(); \r
 104                         if(reader.IsEmptyElement)\r
 105                                 return import;\r
 106 \r
 107                         //  Content: (annotation?)\r
 108                         int level = 1;\r
 109                         while(reader.ReadNextElement())\r
 110                         {\r
 111                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 112                                 {\r
 113                                         if(reader.LocalName != xmlname)\r
 114                                                 error(h,"Should not happen :2: XmlSchemaImport.Read, name="+reader.Name,null);\r
 115                                         break;\r
 116                                 }\r
 117                                 if(level <= 1 && reader.LocalName == "annotation")\r
 118                                 {\r
 119                                         level = 2;      //Only one annotation\r
 120                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 121                                         if(annotation != null)\r
 122                                                 import.Annotation = annotation;\r
 123                                         continue;\r
 124                                 }\r
 125                                 reader.RaiseInvalidElementError();\r
 126                         }\r
 127                         return import;\r
 128                 }\r
 129         }\r
 130 }\r