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

   1 //\r
   2 // System.Xml.Schema.XmlSchemaAttributeGroup.cs\r
   3 //\r
   4 // Authors:\r
   5 //      Dwivedi, Ajay kumar  Adwiv@Yahoo.com\r
   6 //      Enomoto, Atsushi     ginga@kit.hi-ho.ne.jp\r
   7 //\r
   8 using System;\r
   9 using System.Collections;\r
  10 using System.Xml.Serialization;\r
  11 using System.Xml;\r
  12 \r
  13 namespace System.Xml.Schema\r
  14 {\r
  15         /// <summary>\r
  16         /// Summary description for XmlSchemaAttributeGroup.\r
  17         /// </summary>\r
  18         public class XmlSchemaAttributeGroup : XmlSchemaAnnotated\r
  19         {\r
  20                 private XmlSchemaAnyAttribute anyAttribute;\r
  21                 private XmlSchemaObjectCollection attributes;\r
  22                 private string name;\r
  23                 private XmlSchemaAttributeGroup redefined;\r
  24                 private XmlQualifiedName qualifiedName;\r
  25                 private static string xmlname = "attributeGroup";\r
  26                 private XmlSchemaObjectTable attributeUses;\r
  27                 private XmlSchemaAnyAttribute anyAttributeUse;\r
  28 \r
  29                 internal bool AttributeGroupRecursionCheck;\r
  30 \r
  31                 public XmlSchemaAttributeGroup()\r
  32                 {\r
  33                         attributes  = new XmlSchemaObjectCollection();\r
  34                 }\r
  35 \r
  36                 [System.Xml.Serialization.XmlAttribute("name")]\r
  37                 public string Name \r
  38                 {\r
  39                         get{ return name;}\r
  40                         set{ name = value;}\r
  41                 }\r
  42 \r
  43                 [XmlElement("attribute",typeof(XmlSchemaAttribute),Namespace=XmlSchema.Namespace)]\r
  44                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef),Namespace=XmlSchema.Namespace)]\r
  45                 public XmlSchemaObjectCollection Attributes \r
  46                 {\r
  47                         get{ return attributes;}\r
  48                 }\r
  49 \r
  50                 internal XmlSchemaObjectTable AttributeUses\r
  51                 {\r
  52                         get { return attributeUses; }\r
  53                 }\r
  54                 internal XmlSchemaAnyAttribute AnyAttributeUse\r
  55                 {\r
  56                         get { return anyAttributeUse; }\r
  57                 }\r
  58 \r
  59                 [XmlElement("anyAttribute",Namespace=XmlSchema.Namespace)]\r
  60                 public XmlSchemaAnyAttribute AnyAttribute \r
  61                 {\r
  62                         get{ return anyAttribute;}\r
  63                         set{ anyAttribute = value;}\r
  64                 }\r
  65 \r
  66                 //Undocumented property\r
  67                 [XmlIgnore]\r
  68                 public XmlSchemaAttributeGroup RedefinedAttributeGroup \r
  69                 {\r
  70                         get{ return redefined;}\r
  71                 }\r
  72 \r
  73                 [XmlIgnore]\r
  74                 internal XmlQualifiedName QualifiedName \r
  75                 {\r
  76                         get{ return qualifiedName;}\r
  77                 }\r
  78 \r
  79                 /// <remarks>\r
  80                 /// An Attribute group can only be defined as a child of XmlSchema or in XmlSchemaRedefine.\r
  81                 /// The other attributeGroup has type XmlSchemaAttributeGroupRef.\r
  82                 ///  1. Name must be present\r
  83                 /// </remarks>\r
  84                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
  85                 {\r
  86                         // If this is already compiled this time, simply skip.\r
  87                         if (this.IsComplied (schema.CompilationId))\r
  88                                 return errorCount;\r
  89 \r
  90                         errorCount = 0;\r
  91 \r
  92                         if (redefinedObject != null) {\r
  93                                 errorCount += redefined.Compile (h, schema);\r
  94                                 if (errorCount == 0)\r
  95                                         redefined = (XmlSchemaAttributeGroup) redefinedObject;\r
  96                         }\r
  97 \r
  98                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);\r
  99 \r
 100                         if(this.Name == null || this.Name == String.Empty) //1\r
 101                                 error(h,"Name is required in top level simpletype");\r
 102                         else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2\r
 103                                 error(h,"name attribute of a simpleType must be NCName");\r
 104                         else\r
 105                                 this.qualifiedName = new XmlQualifiedName(this.Name, schema.TargetNamespace);\r
 106                         \r
 107                         if(this.AnyAttribute != null)\r
 108                         {\r
 109                                 errorCount += this.AnyAttribute.Compile(h, schema);\r
 110                         }\r
 111                         \r
 112                         foreach(XmlSchemaObject obj in Attributes)\r
 113                         {\r
 114                                 if(obj is XmlSchemaAttribute)\r
 115                                 {\r
 116                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;\r
 117                                         errorCount += attr.Compile(h, schema);\r
 118                                 }\r
 119                                 else if(obj is XmlSchemaAttributeGroupRef)\r
 120                                 {\r
 121                                         XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef) obj;\r
 122                                         errorCount += gref.Compile(h, schema);\r
 123                                 }\r
 124                                 else\r
 125                                 {\r
 126                                         error(h,"invalid type of object in Attributes property");\r
 127                                 }\r
 128                         }\r
 129                         this.CompilationId = schema.CompilationId;\r
 130                         return errorCount;\r
 131                 }\r
 132 \r
 133                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
 134                 {\r
 135                         if (IsValidated (schema.CompilationId))\r
 136                                 return errorCount;\r
 137 \r
 138                         if (redefined == null && redefinedObject != null) {\r
 139                                 redefinedObject.Compile (h, schema);\r
 140                                 redefined = (XmlSchemaAttributeGroup) redefinedObject;\r
 141                                 redefined.Validate (h, schema);\r
 142                         }\r
 143 \r
 144                         XmlSchemaObjectCollection actualAttributes = null;\r
 145                         /*\r
 146                         if (this.redefined != null) {\r
 147                                 actualAttributes = new XmlSchemaObjectCollection ();\r
 148                                 foreach (XmlSchemaObject obj in Attributes) {\r
 149                                         XmlSchemaAttributeGroupRef grp = obj as XmlSchemaAttributeGroupRef;\r
 150                                         if (grp != null && grp.QualifiedName == this.QualifiedName)\r
 151                                                 actualAttributes.Add (redefined);\r
 152                                         else\r
 153                                                 actualAttributes.Add (obj);\r
 154                                 }\r
 155                         }\r
 156                         else\r
 157                         */\r
 158                                 actualAttributes = Attributes;\r
 159 \r
 160                         attributeUses = new XmlSchemaObjectTable ();\r
 161                         errorCount += XmlSchemaUtil.ValidateAttributesResolved (attributeUses,\r
 162                                 h, schema, actualAttributes, AnyAttribute, \r
 163                                 ref anyAttributeUse, redefined);\r
 164                         ValidationId = schema.ValidationId;\r
 165                         return errorCount;\r
 166                 }\r
 167 \r
 168                 //<attributeGroup\r
 169                 //  id = ID\r
 170                 //  name = NCName\r
 171                 //  ref = QName // Not present in this class.\r
 172                 //  {any attributes with non-schema namespace . . .}>\r
 173                 //  Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))\r
 174                 //</attributeGroup>\r
 175                 internal static XmlSchemaAttributeGroup Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 176                 {\r
 177                         XmlSchemaAttributeGroup attrgrp = new XmlSchemaAttributeGroup();\r
 178                         reader.MoveToElement();\r
 179 \r
 180                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 181                         {\r
 182                                 error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);\r
 183                                 reader.SkipToEnd();\r
 184                                 return null;\r
 185                         }\r
 186 \r
 187                         attrgrp.LineNumber = reader.LineNumber;\r
 188                         attrgrp.LinePosition = reader.LinePosition;\r
 189                         attrgrp.SourceUri = reader.BaseURI;\r
 190 \r
 191                         while(reader.MoveToNextAttribute())\r
 192                         {\r
 193                                 if(reader.Name == "id")\r
 194                                 {\r
 195                                         attrgrp.Id = reader.Value;\r
 196                                 }\r
 197                                 else if(reader.Name == "name")\r
 198                                 {\r
 199                                         attrgrp.name = reader.Value;\r
 200                                 }\r
 201                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 202                                 {\r
 203                                         error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);\r
 204                                 }\r
 205                                 else\r
 206                                 {\r
 207                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,attrgrp);\r
 208                                 }\r
 209                         }\r
 210                         \r
 211                         reader.MoveToElement();\r
 212                         if(reader.IsEmptyElement)\r
 213                                 return attrgrp;\r
 214 \r
 215                         //Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?\r
 216                         int level = 1;\r
 217                         while(reader.ReadNextElement())\r
 218                         {\r
 219                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 220                                 {\r
 221                                         if(reader.LocalName != xmlname)\r
 222                                                 error(h,"Should not happen :2: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);\r
 223                                         break;\r
 224                                 }\r
 225                                 if(level <= 1 && reader.LocalName == "annotation")\r
 226                                 {\r
 227                                         level = 2; //Only one annotation\r
 228                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 229                                         if(annotation != null)\r
 230                                                 attrgrp.Annotation = annotation;\r
 231                                         continue;\r
 232                                 }\r
 233                                 if(level <= 2)\r
 234                                 {\r
 235                                         if(reader.LocalName == "attribute")\r
 236                                         {\r
 237                                                 level = 2;\r
 238                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);\r
 239                                                 if(attr != null)\r
 240                                                         attrgrp.Attributes.Add(attr);\r
 241                                                 continue;\r
 242                                         }\r
 243                                         if(reader.LocalName == "attributeGroup")\r
 244                                         {\r
 245                                                 level = 2;\r
 246                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);\r
 247                                                 if(attr != null)\r
 248                                                         attrgrp.attributes.Add(attr);\r
 249                                                 continue;\r
 250                                         }\r
 251                                 }\r
 252                                 if(level <= 3 && reader.LocalName == "anyAttribute")\r
 253                                 {\r
 254                                         level = 4;\r
 255                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);\r
 256                                         if(anyattr != null)\r
 257                                                 attrgrp.AnyAttribute = anyattr;\r
 258                                         continue;\r
 259                                 }\r
 260                                 reader.RaiseInvalidElementError();\r
 261                         }\r
 262                         return attrgrp;\r
 263                 }\r
 264                 \r
 265         }\r
 266 }\r