mcs/class/System.XML/System.Xml.Schema/XmlSchemaAnnotation.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.Collections;\r
  26 using System.Xml;\r
  27 using System.Xml.Serialization;\r
  28 \r
  29 namespace System.Xml.Schema\r
  30 {\r
  31         /// <summary>\r
  32         /// Summary description for XmlSchemaAnnotation.\r
  33         /// </summary>\r
  34         public class XmlSchemaAnnotation : XmlSchemaObject\r
  35         {\r
  36                 private string id;\r
  37                 private XmlSchemaObjectCollection items;\r
  38                 private XmlAttribute[] unhandledAttributes;\r
  39                 const string xmlname = "annotation";\r
  40 \r
  41                 public XmlSchemaAnnotation()\r
  42                 {\r
  43                         items = new XmlSchemaObjectCollection();\r
  44                 }\r
  45 \r
  46                 [System.Xml.Serialization.XmlAttribute("id")]\r
  47                 public string Id \r
  48                 {\r
  49                         get{ return  id; } \r
  50                         set{ id = value; }\r
  51                 }\r
  52                 \r
  53                 [XmlElement("appinfo",typeof(XmlSchemaAppInfo),Namespace=XmlSchema.Namespace)]\r
  54                 [XmlElement("documentation",typeof(XmlSchemaDocumentation),Namespace=XmlSchema.Namespace)]\r
  55                 public XmlSchemaObjectCollection Items\r
  56                 {\r
  57                         get{ return items; }\r
  58                 }\r
  59                 \r
  60                 [XmlAnyAttribute]\r
  61                 public XmlAttribute[] UnhandledAttributes \r
  62                 {\r
  63                         get\r
  64                         {\r
  65                                 if(unhandledAttributeList != null)\r
  66                                 {\r
  67                                         unhandledAttributes = (XmlAttribute[]) unhandledAttributeList.ToArray(typeof(XmlAttribute));\r
  68                                         unhandledAttributeList = null;\r
  69                                 }\r
  70                                 return unhandledAttributes;\r
  71                         }\r
  72                         set\r
  73                         { \r
  74                                 unhandledAttributes = value; \r
  75                                 unhandledAttributeList = null;\r
  76                         }\r
  77                 }\r
  78 \r
  79                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
  80                 {\r
  81                         // If this is already compiled this time, simply skip.\r
  82                         if (this.IsComplied (schema.CompilationId))\r
  83                                 return 0;\r
  84 \r
  85                         this.CompilationId = schema.CompilationId;\r
  86                         return 0;\r
  87                 }\r
  88                 \r
  89                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
  90                 {\r
  91                         return 0;\r
  92                 }\r
  93 \r
  94                 //<annotation\r
  95                 //  id = ID\r
  96                 //  {any attributes with non-schema namespace . . .}>\r
  97                 //  Content: (appinfo | documentation)*\r
  98                 //</annotation>\r
  99                 internal static XmlSchemaAnnotation Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 100                 {\r
 101                         XmlSchemaAnnotation annotation = new XmlSchemaAnnotation();\r
 102                         reader.MoveToElement();\r
 103 \r
 104                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 105                         {\r
 106                                 error(h,"Should not happen :1: XmlSchemaAnnotation.Read, name="+reader.Name,null);\r
 107                                 reader.SkipToEnd();\r
 108                                 return null;\r
 109                         }\r
 110 \r
 111                         annotation.LineNumber = reader.LineNumber;\r
 112                         annotation.LinePosition = reader.LinePosition;\r
 113                         annotation.SourceUri = reader.BaseURI;\r
 114 \r
 115                         //Read Attributes\r
 116                         while(reader.MoveToNextAttribute())\r
 117                         {\r
 118                                 if(reader.Name == "id")\r
 119                                 {\r
 120                                         annotation.Id = reader.Value;\r
 121                                 }\r
 122                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 123                                 {\r
 124                                         error(h,reader.Name + " is not a valid attribute for annotation",null);\r
 125                                 }\r
 126                                 else\r
 127                                 {\r
 128                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,annotation);\r
 129                                 }\r
 130                         }\r
 131                         \r
 132                         reader.MoveToElement();\r
 133                         if(reader.IsEmptyElement)\r
 134                                 return annotation;\r
 135 \r
 136                         //Content: (appinfo | documentation)*\r
 137                         bool skip = false;\r
 138                         string expectedEnd = null;\r
 139                         while(!reader.EOF)\r
 140                         {\r
 141                                 if(skip) \r
 142                                         skip=false;\r
 143                                 else \r
 144                                         reader.ReadNextElement();\r
 145 \r
 146                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 147                                 {\r
 148                                         bool end = true;\r
 149                                         string expected = xmlname;\r
 150                                         if(expectedEnd != null)\r
 151                                         {\r
 152                                                 expected = expectedEnd;\r
 153                                                 expectedEnd = null;\r
 154                                                 end = false;\r
 155                                         }\r
 156                                         if(reader.LocalName != expected)\r
 157                                                 error(h,"Should not happen :2: XmlSchemaAnnotation.Read, name="+reader.Name+",expected="+expected,null);\r
 158                                         if (end)\r
 159                                                 break;\r
 160                                         else\r
 161                                                 continue;\r
 162                                 }\r
 163                                 if(reader.LocalName == "appinfo")\r
 164                                 {\r
 165                                         XmlSchemaAppInfo appinfo = XmlSchemaAppInfo.Read(reader,h,out skip);\r
 166                                         if(appinfo != null)\r
 167                                                 annotation.items.Add(appinfo);\r
 168                                         continue;\r
 169                                 }\r
 170                                 if(reader.LocalName == "documentation")\r
 171                                 {\r
 172                                         XmlSchemaDocumentation documentation = XmlSchemaDocumentation.Read(reader,h, out skip);\r
 173                                         if(documentation != null)\r
 174                                                 annotation.items.Add(documentation);\r
 175                                         continue;\r
 176                                 }\r
 177                                 reader.RaiseInvalidElementError();\r
 178                         }\r
 179                         return annotation;\r
 180                 }\r
 181         }\r
 182 }\r