mcs/class/System.XML/System.Xml.Schema/XmlSchemaSimpleContentExtension.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 XmlSchemaSimpleContentExtension.\r
  11         /// </summary>\r
  12         public class XmlSchemaSimpleContentExtension : XmlSchemaContent\r
  13         {\r
  14 \r
  15                 private XmlSchemaAnyAttribute any;\r
  16                 private XmlSchemaObjectCollection attributes;\r
  17                 private XmlQualifiedName baseTypeName;\r
  18                 private static string xmlname = "extension";\r
  19 \r
  20                 public XmlSchemaSimpleContentExtension()\r
  21                 {\r
  22                         baseTypeName = XmlQualifiedName.Empty;\r
  23                         attributes       = new XmlSchemaObjectCollection();\r
  24                 }\r
  25 \r
  26                 [XmlElement("anyAttribute",Namespace="http://www.w3.org/2001/XMLSchema")]\r
  27                 public XmlSchemaAnyAttribute AnyAttribute \r
  28                 {\r
  29                         get{ return  any; }\r
  30                         set{ any = value; }\r
  31                 }\r
  32 \r
  33                 [XmlElement("attribute",typeof(XmlSchemaAttribute),Namespace="http://www.w3.org/2001/XMLSchema")]\r
  34                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef),Namespace="http://www.w3.org/2001/XMLSchema")]\r
  35                 public XmlSchemaObjectCollection Attributes \r
  36                 {\r
  37                         get{ return attributes; }\r
  38                 }\r
  39 \r
  40                 [System.Xml.Serialization.XmlAttribute("base")]\r
  41                 public XmlQualifiedName BaseTypeName \r
  42                 {\r
  43                         get{ return  baseTypeName; }\r
  44                         set{ baseTypeName = value; }\r
  45                 }\r
  46                 ///<remarks>\r
  47                 /// 1. Base must be present and a QName\r
  48                 ///</remarks>\r
  49                 [MonoTODO]\r
  50                 internal int Compile(ValidationEventHandler h, XmlSchemaInfo info)\r
  51                 {\r
  52                         if(BaseTypeName == null || BaseTypeName.IsEmpty)\r
  53                         {\r
  54                                 error(h, "base must be present and a QName");\r
  55                         }\r
  56                         \r
  57                         if(this.AnyAttribute != null)\r
  58                         {\r
  59                                 AnyAttribute.Compile(h,info);\r
  60                         }\r
  61 \r
  62                         foreach(XmlSchemaObject obj in Attributes)\r
  63                         {\r
  64                                 if(obj is XmlSchemaAttribute)\r
  65                                 {\r
  66                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;\r
  67                                         attr.Compile(h,info);\r
  68                                 }\r
  69                                 else if(obj is XmlSchemaAttributeGroup)\r
  70                                 {\r
  71                                         XmlSchemaAttributeGroup atgrp = (XmlSchemaAttributeGroup) obj;\r
  72                                         atgrp.Compile(h,info);\r
  73                                 }\r
  74                                 else\r
  75                                         error(h,obj.GetType() +" is not valid in this place::SimpleConentExtension");\r
  76                         }\r
  77                         if(this.Id != null && !XmlSchemaUtil.CheckID(Id))\r
  78                                 error(h, "id must be a valid ID");\r
  79 \r
  80                         return errorCount;\r
  81                 }\r
  82                 \r
  83                 [MonoTODO]\r
  84                 internal int Validate(ValidationEventHandler h)\r
  85                 {\r
  86                         return errorCount;\r
  87                 }\r
  88                 //<extension \r
  89                 //base = QName \r
  90                 //id = ID \r
  91                 //{any attributes with non-schema namespace . . .}>\r
  92                 //Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))\r
  93                 //</extension>\r
  94                 internal static XmlSchemaSimpleContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)\r
  95                 {\r
  96                         XmlSchemaSimpleContentExtension extension = new XmlSchemaSimpleContentExtension();\r
  97                         reader.MoveToElement();\r
  98 \r
  99                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 100                         {\r
 101                                 error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);\r
 102                                 reader.Skip();\r
 103                                 return null;\r
 104                         }\r
 105 \r
 106                         extension.LineNumber = reader.LineNumber;\r
 107                         extension.LinePosition = reader.LinePosition;\r
 108                         extension.SourceUri = reader.BaseURI;\r
 109 \r
 110                         while(reader.MoveToNextAttribute())\r
 111                         {\r
 112                                 if(reader.Name == "base")\r
 113                                 {\r
 114                                         Exception innerex;\r
 115                                         extension.baseTypeName= XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);\r
 116                                         if(innerex != null)\r
 117                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);\r
 118                                 }\r
 119                                 else if(reader.Name == "id")\r
 120                                 {\r
 121                                         extension.Id = reader.Value;\r
 122                                 }\r
 123                                 else if(reader.NamespaceURI == "" || reader.NamespaceURI == XmlSchema.Namespace)\r
 124                                 {\r
 125                                         error(h,reader.Name + " is not a valid attribute for extension in this context",null);\r
 126                                 }\r
 127                                 else\r
 128                                 {\r
 129                                         //TODO: Add to Unhandled attributes\r
 130                                 }\r
 131                         }\r
 132                         \r
 133                         reader.MoveToElement();\r
 134                         if(reader.IsEmptyElement)\r
 135                                 return extension;\r
 136 \r
 137                         //Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?\r
 138                         int level = 1;\r
 139                         while(reader.ReadNextElement())\r
 140                         {\r
 141                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 142                                 {\r
 143                                         if(reader.LocalName != xmlname)\r
 144                                                 error(h,"Should not happen :2: XmlSchemaSimpleContentExtension.Read, name="+reader.Name,null);\r
 145                                         break;\r
 146                                 }\r
 147                                 if(level <= 1 && reader.LocalName == "annotation")\r
 148                                 {\r
 149                                         level = 2; //Only one annotation\r
 150                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 151                                         if(annotation != null)\r
 152                                                 extension.Annotation = annotation;\r
 153                                         continue;\r
 154                                 }\r
 155                                 if(level <= 2)\r
 156                                 {\r
 157                                         if(reader.LocalName == "attribute")\r
 158                                         {\r
 159                                                 level = 2;\r
 160                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);\r
 161                                                 if(attr != null)\r
 162                                                         extension.Attributes.Add(attr);\r
 163                                                 continue;\r
 164                                         }\r
 165                                         if(reader.LocalName == "attributeGroup")\r
 166                                         {\r
 167                                                 level = 2;\r
 168                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);\r
 169                                                 if(attr != null)\r
 170                                                         extension.attributes.Add(attr);\r
 171                                                 continue;\r
 172                                         }\r
 173                                 }\r
 174                                 if(level <= 3 && reader.LocalName == "anyAttribute")\r
 175                                 {\r
 176                                         level = 4;\r
 177                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);\r
 178                                         if(anyattr != null)\r
 179                                                 extension.AnyAttribute = anyattr;\r
 180                                         continue;\r
 181                                 }\r
 182                                 reader.RaiseInvalidElementError();\r
 183                         }\r
 184                         return extension;\r
 185                 }\r
 186         }\r
 187 }\r