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

   1 // Author: Dwivedi, Ajay kumar\r
   2 //            Adwiv@Yahoo.com\r
   3 using System;\r
   4 using System.Collections;\r
   5 using System.Xml;\r
   6 using System.Xml.Serialization;\r
   7 \r
   8 namespace System.Xml.Schema\r
   9 {\r
  10         /// <summary>\r
  11         /// Summary description for XmlSchemaAnnotation.\r
  12         /// </summary>\r
  13         public class XmlSchemaAnnotation : XmlSchemaObject\r
  14         {\r
  15                 private string id;\r
  16                 private XmlSchemaObjectCollection items;\r
  17                 private XmlAttribute[] unhandledAttributes;\r
  18                 private static string xmlname = "annotation";\r
  19                 public XmlSchemaAnnotation()\r
  20                 {\r
  21                         items = new XmlSchemaObjectCollection();\r
  22                 }\r
  23 \r
  24                 [System.Xml.Serialization.XmlAttribute("id")]\r
  25                 public string Id \r
  26                 {\r
  27                         get{ return  id; } \r
  28                         set{ id = value; }\r
  29                 }\r
  30                 \r
  31                 [XmlElement("appinfo",typeof(XmlSchemaAppInfo),Namespace="http://www.w3.org/2001/XMLSchema")]\r
  32                 [XmlElement("documentation",typeof(XmlSchemaDocumentation),Namespace="http://www.w3.org/2001/XMLSchema")]\r
  33                 public XmlSchemaObjectCollection Items\r
  34                 {\r
  35                         get{ return items; }\r
  36                 }\r
  37                 \r
  38                 [XmlAnyAttribute]\r
  39                 public XmlAttribute[] UnhandledAttributes \r
  40                 {\r
  41                         get\r
  42                         {\r
  43                                 if(unhandledAttributeList != null)\r
  44                                 {\r
  45                                         unhandledAttributes = (XmlAttribute[]) unhandledAttributeList.ToArray(typeof(XmlAttribute));\r
  46                                         unhandledAttributeList = null;\r
  47                                 }\r
  48                                 return unhandledAttributes;\r
  49                         }\r
  50                         set\r
  51                         { \r
  52                                 unhandledAttributes = value; \r
  53                                 unhandledAttributeList = null;\r
  54                         }\r
  55                 }\r
  56 \r
  57                 [MonoTODO]\r
  58                 internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)\r
  59                 {\r
  60                         return 0;\r
  61                 }\r
  62                 \r
  63                 [MonoTODO]\r
  64                 internal int Validate(ValidationEventHandler h)\r
  65                 {\r
  66                         return 0;\r
  67                 }\r
  68 \r
  69                 //<annotation\r
  70                 //  id = ID\r
  71                 //  {any attributes with non-schema namespace . . .}>\r
  72                 //  Content: (appinfo | documentation)*\r
  73                 //</annotation>\r
  74                 internal static XmlSchemaAnnotation Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  75                 {\r
  76                         XmlSchemaAnnotation annotation = new XmlSchemaAnnotation();\r
  77                         reader.MoveToElement();\r
  78 \r
  79                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
  80                         {\r
  81                                 error(h,"Should not happen :1: XmlSchemaAnnotation.Read, name="+reader.Name,null);\r
  82                                 reader.SkipToEnd();\r
  83                                 return null;\r
  84                         }\r
  85 \r
  86                         annotation.LineNumber = reader.LineNumber;\r
  87                         annotation.LinePosition = reader.LinePosition;\r
  88                         annotation.SourceUri = reader.BaseURI;\r
  89 \r
  90                         //Read Attributes\r
  91                         while(reader.MoveToNextAttribute())\r
  92                         {\r
  93                                 if(reader.Name == "id")\r
  94                                 {\r
  95                                         annotation.Id = reader.Value;\r
  96                                 }\r
  97                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
  98                                 {\r
  99                                         error(h,reader.Name + " is not a valid attribute for annotation",null);\r
 100                                 }\r
 101                                 else\r
 102                                 {\r
 103                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,annotation);\r
 104                                 }\r
 105                         }\r
 106                         \r
 107                         reader.MoveToElement();\r
 108                         if(reader.IsEmptyElement)\r
 109                                 return annotation;\r
 110 \r
 111                         //Content: (appinfo | documentation)*\r
 112                         bool skip = false;\r
 113                         string expectedEnd = null;\r
 114                         while(!reader.EOF)\r
 115                         {\r
 116                                 if(skip) \r
 117                                         skip=false;\r
 118                                 else \r
 119                                         reader.ReadNextElement();\r
 120 \r
 121                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 122                                 {\r
 123                                         bool end = true;\r
 124                                         string expected = xmlname;\r
 125                                         if(expectedEnd != null)\r
 126                                         {\r
 127                                                 expected = expectedEnd;\r
 128                                                 expectedEnd = null;\r
 129                                                 end = false;\r
 130                                         }\r
 131                                         if(reader.LocalName != expected)\r
 132                                                 error(h,"Should not happen :2: XmlSchemaAnnotation.Read, name="+reader.Name+",expected="+expected,null);\r
 133                                         if (end)\r
 134                                                 break;\r
 135                                         else\r
 136                                                 continue;\r
 137                                 }\r
 138                                 if(reader.LocalName == "appinfo")\r
 139                                 {\r
 140                                         XmlSchemaAppInfo appinfo = XmlSchemaAppInfo.Read(reader,h,out skip);\r
 141                                         if(appinfo != null)\r
 142                                                 annotation.items.Add(appinfo);\r
 143                                         expectedEnd = "appinfo";\r
 144                                         continue;\r
 145                                 }\r
 146                                 if(reader.LocalName == "documentation")\r
 147                                 {\r
 148                                         XmlSchemaDocumentation documentation = XmlSchemaDocumentation.Read(reader,h, out skip);\r
 149                                         if(documentation != null)\r
 150                                                 annotation.items.Add(documentation);\r
 151                                         expectedEnd = "documentation";\r
 152                                         continue;\r
 153                                 }\r
 154                                 reader.RaiseInvalidElementError();\r
 155                         }\r
 156                         return annotation;\r
 157                 }\r
 158         }\r
 159 }\r