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

   1 //
   2 // System.Xml.Schema.XmlSchemaAttributeGroup.cs
   3 //
   4 // Authors:
   5 //      Dwivedi, Ajay kumar  Adwiv@Yahoo.com
   6 //      Enomoto, Atsushi     ginga@kit.hi-ho.ne.jp
   7 //
   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;
  30 using System.Collections;
  31 using System.Xml.Serialization;
  32 using System.Xml;
  33
  34 namespace System.Xml.Schema
  35 {
  36         /// <summary>
  37         /// Summary description for XmlSchemaAttributeGroup.
  38         /// </summary>
  39         public class XmlSchemaAttributeGroup : XmlSchemaAnnotated
  40         {
  41                 private XmlSchemaAnyAttribute anyAttribute;
  42                 private XmlSchemaObjectCollection attributes;
  43                 private string name;
  44                 private XmlSchemaAttributeGroup redefined;
  45                 private XmlQualifiedName qualifiedName;
  46                 const string xmlname = "attributeGroup";
  47                 private XmlSchemaObjectTable attributeUses;
  48                 private XmlSchemaAnyAttribute anyAttributeUse;
  49
  50                 internal bool AttributeGroupRecursionCheck;
  51
  52                 public XmlSchemaAttributeGroup()
  53                 {
  54                         attributes  = new XmlSchemaObjectCollection();
  55                         qualifiedName = XmlQualifiedName.Empty;
  56                 }
  57
  58                 [System.Xml.Serialization.XmlAttribute("name")]
  59                 public string Name
  60                 {
  61                         get{ return name;}
  62                         set{ name = value;}
  63                 }
  64
  65                 [XmlElement("attribute",typeof(XmlSchemaAttribute),Namespace=XmlSchema.Namespace)]
  66                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef),Namespace=XmlSchema.Namespace)]
  67                 public XmlSchemaObjectCollection Attributes
  68                 {
  69                         get{ return attributes;}
  70                 }
  71
  72                 internal XmlSchemaObjectTable AttributeUses
  73                 {
  74                         get { return attributeUses; }
  75                 }
  76                 internal XmlSchemaAnyAttribute AnyAttributeUse
  77                 {
  78                         get { return anyAttributeUse; }
  79                 }
  80
  81                 [XmlElement("anyAttribute",Namespace=XmlSchema.Namespace)]
  82                 public XmlSchemaAnyAttribute AnyAttribute
  83                 {
  84                         get{ return anyAttribute;}
  85                         set{ anyAttribute = value;}
  86                 }
  87
  88                 //Undocumented property
  89                 [XmlIgnore]
  90                 public XmlSchemaAttributeGroup RedefinedAttributeGroup
  91                 {
  92                         get{ return redefined;}
  93                 }
  94
  95                 [XmlIgnore]
  96 #if NET_2_0
  97                 public XmlQualifiedName QualifiedName
  98 #else
  99                 internal XmlQualifiedName QualifiedName
 100 #endif
 101                 {
 102                         get{ return qualifiedName;}
 103                 }
 104
 105                 /// <remarks>
 106                 /// An Attribute group can only be defined as a child of XmlSchema or in XmlSchemaRedefine.
 107                 /// The other attributeGroup has type XmlSchemaAttributeGroupRef.
 108                 ///  1. Name must be present
 109                 /// </remarks>
 110                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
 111                 {
 112                         // If this is already compiled this time, simply skip.
 113                         if (this.IsComplied (schema.CompilationId))
 114                                 return errorCount;
 115
 116                         errorCount = 0;
 117
 118                         if (redefinedObject != null) {
 119                                 errorCount += redefined.Compile (h, schema);
 120                                 if (errorCount == 0)
 121                                         redefined = (XmlSchemaAttributeGroup) redefinedObject;
 122                         }
 123
 124                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
 125
 126                         if(this.Name == null || this.Name == String.Empty) //1
 127                                 error(h,"Name is required in top level simpletype");
 128                         else if(!XmlSchemaUtil.CheckNCName(this.Name)) // b.1.2
 129                                 error(h,"name attribute of a simpleType must be NCName");
 130                         else
 131                                 this.qualifiedName = new XmlQualifiedName(this.Name, schema.TargetNamespace);
 132
 133                         if(this.AnyAttribute != null)
 134                         {
 135                                 errorCount += this.AnyAttribute.Compile(h, schema);
 136                         }
 137
 138                         foreach(XmlSchemaObject obj in Attributes)
 139                         {
 140                                 if(obj is XmlSchemaAttribute)
 141                                 {
 142                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
 143                                         errorCount += attr.Compile(h, schema);
 144                                 }
 145                                 else if(obj is XmlSchemaAttributeGroupRef)
 146                                 {
 147                                         XmlSchemaAttributeGroupRef gref = (XmlSchemaAttributeGroupRef) obj;
 148                                         errorCount += gref.Compile(h, schema);
 149                                 }
 150                                 else
 151                                 {
 152                                         error(h,"invalid type of object in Attributes property");
 153                                 }
 154                         }
 155                         this.CompilationId = schema.CompilationId;
 156                         return errorCount;
 157                 }
 158
 159                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
 160                 {
 161                         if (IsValidated (schema.CompilationId))
 162                                 return errorCount;
 163
 164                         if (redefined == null && redefinedObject != null) {
 165                                 redefinedObject.Compile (h, schema);
 166                                 redefined = (XmlSchemaAttributeGroup) redefinedObject;
 167                                 redefined.Validate (h, schema);
 168                         }
 169
 170                         XmlSchemaObjectCollection actualAttributes = null;
 171                         /*
 172                         if (this.redefined != null) {
 173                                 actualAttributes = new XmlSchemaObjectCollection ();
 174                                 foreach (XmlSchemaObject obj in Attributes) {
 175                                         XmlSchemaAttributeGroupRef grp = obj as XmlSchemaAttributeGroupRef;
 176                                         if (grp != null && grp.QualifiedName == this.QualifiedName)
 177                                                 actualAttributes.Add (redefined);
 178                                         else
 179                                                 actualAttributes.Add (obj);
 180                                 }
 181                         }
 182                         else
 183                         */
 184                                 actualAttributes = Attributes;
 185
 186                         attributeUses = new XmlSchemaObjectTable ();
 187                         errorCount += XmlSchemaUtil.ValidateAttributesResolved (attributeUses,
 188                                 h, schema, actualAttributes, AnyAttribute,
 189                                 ref anyAttributeUse, redefined);
 190                         ValidationId = schema.ValidationId;
 191                         return errorCount;
 192                 }
 193
 194                 //<attributeGroup
 195                 //  id = ID
 196                 //  name = NCName
 197                 //  ref = QName // Not present in this class.
 198                 //  {any attributes with non-schema namespace . . .}>
 199                 //  Content: (annotation?, ((attribute | attributeGroup)*, anyAttribute?))
 200                 //</attributeGroup>
 201                 internal static XmlSchemaAttributeGroup Read(XmlSchemaReader reader, ValidationEventHandler h)
 202                 {
 203                         XmlSchemaAttributeGroup attrgrp = new XmlSchemaAttributeGroup();
 204                         reader.MoveToElement();
 205
 206                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 207                         {
 208                                 error(h,"Should not happen :1: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
 209                                 reader.SkipToEnd();
 210                                 return null;
 211                         }
 212
 213                         attrgrp.LineNumber = reader.LineNumber;
 214                         attrgrp.LinePosition = reader.LinePosition;
 215                         attrgrp.SourceUri = reader.BaseURI;
 216
 217                         while(reader.MoveToNextAttribute())
 218                         {
 219                                 if(reader.Name == "id")
 220                                 {
 221                                         attrgrp.Id = reader.Value;
 222                                 }
 223                                 else if(reader.Name == "name")
 224                                 {
 225                                         attrgrp.name = reader.Value;
 226                                 }
 227                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
 228                                 {
 229                                         error(h,reader.Name + " is not a valid attribute for attributeGroup in this context",null);
 230                                 }
 231                                 else
 232                                 {
 233                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,attrgrp);
 234                                 }
 235                         }
 236
 237                         reader.MoveToElement();
 238                         if(reader.IsEmptyElement)
 239                                 return attrgrp;
 240
 241                         //Content: 1.annotation?, 2.(attribute | attributeGroup)*, 3.anyAttribute?
 242                         int level = 1;
 243                         while(reader.ReadNextElement())
 244                         {
 245                                 if(reader.NodeType == XmlNodeType.EndElement)
 246                                 {
 247                                         if(reader.LocalName != xmlname)
 248                                                 error(h,"Should not happen :2: XmlSchemaAttributeGroup.Read, name="+reader.Name,null);
 249                                         break;
 250                                 }
 251                                 if(level <= 1 && reader.LocalName == "annotation")
 252                                 {
 253                                         level = 2; //Only one annotation
 254                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
 255                                         if(annotation != null)
 256                                                 attrgrp.Annotation = annotation;
 257                                         continue;
 258                                 }
 259                                 if(level <= 2)
 260                                 {
 261                                         if(reader.LocalName == "attribute")
 262                                         {
 263                                                 level = 2;
 264                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
 265                                                 if(attr != null)
 266                                                         attrgrp.Attributes.Add(attr);
 267                                                 continue;
 268                                         }
 269                                         if(reader.LocalName == "attributeGroup")
 270                                         {
 271                                                 level = 2;
 272                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
 273                                                 if(attr != null)
 274                                                         attrgrp.attributes.Add(attr);
 275                                                 continue;
 276                                         }
 277                                 }
 278                                 if(level <= 3 && reader.LocalName == "anyAttribute")
 279                                 {
 280                                         level = 4;
 281                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
 282                                         if(anyattr != null)
 283                                                 attrgrp.AnyAttribute = anyattr;
 284                                         continue;
 285                                 }
 286                                 reader.RaiseInvalidElementError();
 287                         }
 288                         return attrgrp;
 289                 }
 290
 291         }
 292 }