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
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29 using System;\r
  30 using System.Collections;\r
  31 using System.Xml.Serialization;\r
  32 using System.Xml;\r
  33 \r
  34 namespace System.Xml.Schema\r
  35 {\r
  36         /// <summary>\r
  37         /// Summary description for XmlSchemaAttributeGroup.\r
  38         /// </summary>\r
  39         public class XmlSchemaAttributeGroup : XmlSchemaAnnotated\r
  40         {\r
  41                 private XmlSchemaAnyAttribute anyAttribute;\r
  42                 private XmlSchemaObjectCollection attributes;\r
  43                 private string name;\r
  44                 private XmlSchemaAttributeGroup redefined;\r
  45                 private XmlQualifiedName qualifiedName;\r
  46                 const string xmlname = "attributeGroup";\r
  47                 private XmlSchemaObjectTable attributeUses;\r
  48                 private XmlSchemaAnyAttribute anyAttributeUse;\r
  49 \r
  50                 internal bool AttributeGroupRecursionCheck;\r
  51 \r
  52                 public XmlSchemaAttributeGroup()\r
  53                 {\r
  54                         attributes  = new XmlSchemaObjectCollection();\r
  55                 }\r
  56 \r
  57                 [System.Xml.Serialization.XmlAttribute("name")]\r
  58                 public string Name \r
  59                 {\r
  60                         get{ return name;}\r
  61                         set{ name = value;}\r
  62                 }\r
  63 \r
  64                 [XmlElement("attribute",typeof(XmlSchemaAttribute),Namespace=XmlSchema.Namespace)]\r
  65                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef),Namespace=XmlSchema.Namespace)]\r
  66                 public XmlSchemaObjectCollection Attributes \r
  67                 {\r
  68                         get{ return attributes;}\r
  69                 }\r
  70 \r
  71                 internal XmlSchemaObjectTable AttributeUses\r
  72                 {\r
  73                         get { return attributeUses; }\r
  74                 }\r
  75                 internal XmlSchemaAnyAttribute AnyAttributeUse\r
  76                 {\r
  77                         get { return anyAttributeUse; }\r
  78                 }\r
  79 \r
  80                 [XmlElement("anyAttribute",Namespace=XmlSchema.Namespace)]\r
  81                 public XmlSchemaAnyAttribute AnyAttribute \r
  82                 {\r
  83                         get{ return anyAttribute;}\r
  84                         set{ anyAttribute = value;}\r
  85                 }\r
  86 \r
  87                 //Undocumented property\r
  88                 [XmlIgnore]\r
  89                 public XmlSchemaAttributeGroup RedefinedAttributeGroup \r
  90                 {\r
  91                         get{ return redefined;}\r
  92                 }\r
  93 \r
  94                 [XmlIgnore]\r
  95                 internal XmlQualifiedName QualifiedName \r
  96                 {\r
  97                         get{ return qualifiedName;}\r
  98                 }\r
  99 \r
 100                 /// <remarks>\r
 101                 /// An Attribute group can only be defined as a child of XmlSchema or in XmlSchemaRedefine.\r
 102                 /// The other attributeGroup has type XmlSchemaAttributeGroupRef.\r
 103                 ///  1. Name must be present\r
 104                 /// </remarks>\r
 105                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)\r
 106                 {\r
 107                         // If this is already compiled this time, simply skip.\r
 108                         if (this.IsComplied (schema.CompilationId))\r
 109                                 return errorCount;\r
 110 \r
 111                         errorCount = 0;\r
 112 \r
 113                         if (redefinedObject != null) {\r
 114                                 errorCount += redefined.Compile (h, schema);\r
 115                                 if (errorCount == 0)\r
 116                                         redefined = (XmlSchemaAttributeGroup) redefinedObject;\r
 117                         }\r
 118 \r
 119                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);\r
 120 \r
 121                         if(this.Name == null || this.Name == String.Empty) //1\r
 122                                 error(h,"Name is required in top level simpletype");\r
 123                         else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2\r
 124                                 error(h,"name attribute of a simpleType must be NCName");\r
 125                         else\r
 126                                 this.qualifiedName = new XmlQualifiedName(this.Name, schema.TargetNamespace);\r
 127                         \r
 128                         if(this.AnyAttribute != null)\r
 129                         {\r
 130                                 errorCount += this.AnyAttribute.Compile(h, schema);\r
 131                         }\r
 132                         \r
 133                         foreach(XmlSchemaObject obj in Attributes)\r
 134                         {\r
 135                                 if(obj is XmlSchemaAttribute)\r
 136                                 {\r
 137                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;\r
 138                                         errorCount += attr.Compile(h, schema);\r
 139                                 }\r
 140                                 else if(obj is XmlSchemaAttributeGroupRef)\r
 141                                 {\r
 142                                         XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef) obj;\r
 143                                         errorCount += gref.Compile(h, schema);\r
 144                                 }\r
 145                                 else\r
 146                                 {\r
 147                                         error(h,"invalid type of object in Attributes property");\r
 148                                 }\r
 149                         }\r
 150                         this.CompilationId = schema.CompilationId;\r
 151                         return errorCount;\r
 152                 }\r
 153 \r
 154                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)\r
 155                 {\r
 156                         if (IsValidated (schema.CompilationId))\r
 157                                 return errorCount;\r
 158 \r
 159                         if (redefined == null && redefinedObject != null) {\r
 160                                 redefinedObject.Compile (h, schema);\r
 161                                 redefined = (XmlSchemaAttributeGroup) redefinedObject;\r
 162                                 redefined.Validate (h, schema);\r
 163                         }\r
 164 \r
 165                         XmlSchemaObjectCollection actualAttributes = null;\r
 166                         /*\r
 167                         if (this.redefined != null) {\r
 168                                 actualAttributes = new XmlSchemaObjectCollection ();\r
 169                                 foreach (XmlSchemaObject obj in Attributes) {\r
 170                                         XmlSchemaAttributeGroupRef grp = obj as XmlSchemaAttributeGroupRef;\r
 171                                         if (grp != null && grp.QualifiedName == this.QualifiedName)\r
 172                                                 actualAttributes.Add (redefined);\r
 173                                         else\r
 174                                                 actualAttributes.Add (obj);\r
 175                                 }\r
 176                         }\r
 177                         else\r
 178                         */\r
 179                                 actualAttributes = Attributes;\r
 180 \r
 181                         attributeUses = new XmlSchemaObjectTable ();\r
 182                         errorCount += XmlSchemaUtil.ValidateAttributesResolved (attributeUses,\r
 183                                 h, schema, actualAttributes, AnyAttribute, \r
 184                                 ref anyAttributeUse, redefined);\r
 185                         ValidationId = schema.ValidationId;\r
 186                         return errorCount;\r
 187                 }\r
 188 \r
 189                 //<attributeGroup\r
 190                 //  id = ID\r
 191                 //  name = NCName\r
 192                 //  ref = QName // Not present in this class.\r
 193                 //  {any attributes with non-schema namespace . . .}>\r
 194                 //  Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))\r
 195                 //</attributeGroup>\r
 196                 internal static XmlSchemaAttributeGroup Read(XmlSchemaReader reader, ValidationEventHandler h)\r
 197                 {\r
 198                         XmlSchemaAttributeGroup attrgrp = new XmlSchemaAttributeGroup();\r
 199                         reader.MoveToElement();\r
 200 \r
 201                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)\r
 202                         {\r
 203                                 error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);\r
 204                                 reader.SkipToEnd();\r
 205                                 return null;\r
 206                         }\r
 207 \r
 208                         attrgrp.LineNumber = reader.LineNumber;\r
 209                         attrgrp.LinePosition = reader.LinePosition;\r
 210                         attrgrp.SourceUri = reader.BaseURI;\r
 211 \r
 212                         while(reader.MoveToNextAttribute())\r
 213                         {\r
 214                                 if(reader.Name == "id")\r
 215                                 {\r
 216                                         attrgrp.Id = reader.Value;\r
 217                                 }\r
 218                                 else if(reader.Name == "name")\r
 219                                 {\r
 220                                         attrgrp.name = reader.Value;\r
 221                                 }\r
 222                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)\r
 223                                 {\r
 224                                         error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);\r
 225                                 }\r
 226                                 else\r
 227                                 {\r
 228                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,attrgrp);\r
 229                                 }\r
 230                         }\r
 231                         \r
 232                         reader.MoveToElement();\r
 233                         if(reader.IsEmptyElement)\r
 234                                 return attrgrp;\r
 235 \r
 236                         //Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?\r
 237                         int level = 1;\r
 238                         while(reader.ReadNextElement())\r
 239                         {\r
 240                                 if(reader.NodeType == XmlNodeType.EndElement)\r
 241                                 {\r
 242                                         if(reader.LocalName != xmlname)\r
 243                                                 error(h,"Should not happen :2: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);\r
 244                                         break;\r
 245                                 }\r
 246                                 if(level <= 1 && reader.LocalName == "annotation")\r
 247                                 {\r
 248                                         level = 2; //Only one annotation\r
 249                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);\r
 250                                         if(annotation != null)\r
 251                                                 attrgrp.Annotation = annotation;\r
 252                                         continue;\r
 253                                 }\r
 254                                 if(level <= 2)\r
 255                                 {\r
 256                                         if(reader.LocalName == "attribute")\r
 257                                         {\r
 258                                                 level = 2;\r
 259                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);\r
 260                                                 if(attr != null)\r
 261                                                         attrgrp.Attributes.Add(attr);\r
 262                                                 continue;\r
 263                                         }\r
 264                                         if(reader.LocalName == "attributeGroup")\r
 265                                         {\r
 266                                                 level = 2;\r
 267                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);\r
 268                                                 if(attr != null)\r
 269                                                         attrgrp.attributes.Add(attr);\r
 270                                                 continue;\r
 271                                         }\r
 272                                 }\r
 273                                 if(level <= 3 && reader.LocalName == "anyAttribute")\r
 274                                 {\r
 275                                         level = 4;\r
 276                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);\r
 277                                         if(anyattr != null)\r
 278                                                 attrgrp.AnyAttribute = anyattr;\r
 279                                         continue;\r
 280                                 }\r
 281                                 reader.RaiseInvalidElementError();\r
 282                         }\r
 283                         return attrgrp;\r
 284                 }\r
 285                 \r
 286         }\r
 287 }\r