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

   1 //
   2 // System.Xml.Schema.XmlSchemaComplexContentExtension.cs
   3 //
   4 // Author:
   5 //      Dwivedi, Ajay kumar  Adwiv@Yahoo.com
   6 //      Atsushi Enomoto  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.Xml;
  31 using System.Xml.Serialization;
  32
  33 namespace System.Xml.Schema
  34 {
  35         /// <summary>
  36         /// Summary description for XmlSchemaComplexContentExtension.
  37         /// </summary>
  38         public class XmlSchemaComplexContentExtension : XmlSchemaContent
  39         {
  40                 private XmlSchemaAnyAttribute any;
  41                 private XmlSchemaObjectCollection attributes;
  42                 private XmlQualifiedName baseTypeName;
  43                 private XmlSchemaParticle particle;
  44                 const string xmlname = "extension";
  45
  46                 public XmlSchemaComplexContentExtension()
  47                 {
  48                         attributes = new XmlSchemaObjectCollection();
  49                         baseTypeName = XmlQualifiedName.Empty;
  50                 }
  51
  52                 [System.Xml.Serialization.XmlAttribute("base")]
  53                 public XmlQualifiedName BaseTypeName
  54                 {
  55                         get{ return  baseTypeName; }
  56                         set{ baseTypeName = value; }
  57                 }
  58
  59                 [XmlElement("group",typeof(XmlSchemaGroupRef),Namespace=XmlSchema.Namespace)]
  60                 [XmlElement("all",typeof(XmlSchemaAll),Namespace=XmlSchema.Namespace)]
  61                 [XmlElement("choice",typeof(XmlSchemaChoice),Namespace=XmlSchema.Namespace)]
  62                 [XmlElement("sequence",typeof(XmlSchemaSequence),Namespace=XmlSchema.Namespace)]
  63                 public XmlSchemaParticle Particle
  64                 {
  65                         get{ return  particle; }
  66                         set{ particle = value; }
  67                 }
  68
  69                 [XmlElement("attribute",typeof(XmlSchemaAttribute),Namespace=XmlSchema.Namespace)]
  70                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef),Namespace=XmlSchema.Namespace)]
  71                 public XmlSchemaObjectCollection Attributes
  72                 {
  73                         get{ return attributes; }
  74                 }
  75
  76                 [XmlElement("anyAttribute",Namespace=XmlSchema.Namespace)]
  77                 public XmlSchemaAnyAttribute AnyAttribute
  78                 {
  79                         get{ return any; }
  80                         set{ any = value;}
  81                 }
  82
  83                 // internal properties
  84                 internal override bool IsExtension {
  85                         get { return true; }
  86                 }
  87
  88                 /// <remarks>
  89                 /// </remarks>
  90                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
  91                 {
  92                         // If this is already compiled this time, simply skip.
  93                         if (this.IsComplied (schema.CompilationId))
  94                                 return 0;
  95
  96                         if (this.isRedefinedComponent) {
  97                                 if (Annotation != null)
  98                                         Annotation.isRedefinedComponent = true;
  99                                 if (AnyAttribute != null)
 100                                         AnyAttribute.isRedefinedComponent  = true;
 101                                 foreach (XmlSchemaObject obj in Attributes)
 102                                         obj.isRedefinedComponent  = true;
 103                                 if (Particle != null)
 104                                         Particle.isRedefinedComponent  = true;
 105                         }
 106
 107                         if(BaseTypeName == null || BaseTypeName.IsEmpty)
 108                         {
 109                                 error(h, "base must be present, as a QName");
 110                         }
 111                         else if(!XmlSchemaUtil.CheckQName(BaseTypeName))
 112                                 error(h,"BaseTypeName is not a valid XmlQualifiedName");
 113
 114                         if(this.AnyAttribute != null)
 115                         {
 116                                 errorCount += AnyAttribute.Compile(h, schema);
 117                         }
 118
 119                         foreach(XmlSchemaObject obj in Attributes)
 120                         {
 121                                 if(obj is XmlSchemaAttribute)
 122                                 {
 123                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
 124                                         errorCount += attr.Compile(h, schema);
 125                                 }
 126                                 else if(obj is XmlSchemaAttributeGroupRef)
 127                                 {
 128                                         XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;
 129                                         errorCount += atgrp.Compile(h, schema);
 130                                 }
 131                                 else
 132                                         error(h,obj.GetType() +" is not valid in this place::ComplexConetnetExtension");
 133                         }
 134
 135                         if(Particle != null)
 136                         {
 137                                 if(Particle is XmlSchemaGroupRef)
 138                                 {
 139                                         errorCount += ((XmlSchemaGroupRef)Particle).Compile(h, schema);
 140                                 }
 141                                 else if(Particle is XmlSchemaAll)
 142                                 {
 143                                         errorCount += ((XmlSchemaAll)Particle).Compile(h, schema);
 144                                 }
 145                                 else if(Particle is XmlSchemaChoice)
 146                                 {
 147                                         errorCount += ((XmlSchemaChoice)Particle).Compile(h, schema);
 148                                 }
 149                                 else if(Particle is XmlSchemaSequence)
 150                                 {
 151                                         errorCount += ((XmlSchemaSequence)Particle).Compile(h, schema);
 152                                 }
 153                                 else
 154                                         error (h, "Particle of a restriction is limited only to group, sequence, choice and all.");
 155                         }
 156
 157                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
 158
 159                         this.CompilationId = schema.CompilationId;
 160                         return errorCount;
 161                 }
 162
 163                 internal override XmlQualifiedName GetBaseTypeName ()
 164                 {
 165                         return baseTypeName;
 166                 }
 167
 168                 internal override XmlSchemaParticle GetParticle ()
 169                 {
 170                         return particle;
 171                 }
 172
 173                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
 174                 {
 175                         if (IsValidated (schema.ValidationId))
 176                                 return errorCount;
 177
 178                         if (AnyAttribute != null)
 179                                 errorCount += AnyAttribute.Validate (h, schema);
 180                         foreach (XmlSchemaObject attrObj in Attributes)
 181                                 errorCount += attrObj.Validate (h, schema);
 182                         if (Particle != null)
 183                                 errorCount += Particle.Validate (h, schema);
 184
 185                         ValidationId = schema.ValidationId;
 186                         return errorCount;
 187                 }
 188                 //<extension
 189                 //  base = QName
 190                 //  id = ID
 191                 //  {any attributes with non-schema namespace . . .}>
 192                 //  Content: (annotation?, ((group | all | choice | sequence)?, ((attribute | attributeGroup)*, anyAttribute?)))
 193                 //</extension>
 194                 internal static XmlSchemaComplexContentExtension Read(XmlSchemaReader reader, ValidationEventHandler h)
 195                 {
 196                         XmlSchemaComplexContentExtension extension = new XmlSchemaComplexContentExtension();
 197                         reader.MoveToElement();
 198
 199                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 200                         {
 201                                 error(h,"Should not happen :1: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);
 202                                 reader.Skip();
 203                                 return null;
 204                         }
 205
 206                         extension.LineNumber = reader.LineNumber;
 207                         extension.LinePosition = reader.LinePosition;
 208                         extension.SourceUri = reader.BaseURI;
 209
 210                         while(reader.MoveToNextAttribute())
 211                         {
 212                                 if(reader.Name == "base")
 213                                 {
 214                                         Exception innerex;
 215                                         extension.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
 216                                         if(innerex != null)
 217                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);
 218                                 }
 219                                 else if(reader.Name == "id")
 220                                 {
 221                                         extension.Id = reader.Value;
 222                                 }
 223                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
 224                                 {
 225                                         error(h,reader.Name + " is not a valid attribute for extension",null);
 226                                 }
 227                                 else
 228                                 {
 229                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,extension);
 230                                 }
 231                         }
 232
 233                         reader.MoveToElement();
 234                         if(reader.IsEmptyElement)
 235                                 return extension;
 236                         //Content: 1. annotation?,
 237                         //                      (2.(group | all | choice | sequence)?, (3.(attribute | attributeGroup)*, 4.anyAttribute?)))
 238                         int level = 1;
 239                         while(reader.ReadNextElement())
 240                         {
 241                                 if(reader.NodeType == XmlNodeType.EndElement)
 242                                 {
 243                                         if(reader.LocalName != xmlname)
 244                                                 error(h,"Should not happen :2: XmlSchemaComplexContentExtension.Read, name="+reader.Name,null);
 245                                         break;
 246                                 }
 247                                 if(level <= 1 && reader.LocalName == "annotation")
 248                                 {
 249                                         level = 2; //Only one annotation
 250                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
 251                                         if(annotation != null)
 252                                                 extension.Annotation = annotation;
 253                                         continue;
 254                                 }
 255                                 if(level <= 2)
 256                                 {
 257                                         if(reader.LocalName == "group")
 258                                         {
 259                                                 level = 3;
 260                                                 XmlSchemaGroupRef group = XmlSchemaGroupRef.Read(reader,h);
 261                                                 if(group != null)
 262                                                         extension.particle = group;
 263                                                 continue;
 264                                         }
 265                                         if(reader.LocalName == "all")
 266                                         {
 267                                                 level = 3;
 268                                                 XmlSchemaAll all = XmlSchemaAll.Read(reader,h);
 269                                                 if(all != null)
 270                                                         extension.particle = all;
 271                                                 continue;
 272                                         }
 273                                         if(reader.LocalName == "choice")
 274                                         {
 275                                                 level = 3;
 276                                                 XmlSchemaChoice choice = XmlSchemaChoice.Read(reader,h);
 277                                                 if(choice != null)
 278                                                         extension.particle = choice;
 279                                                 continue;
 280                                         }
 281                                         if(reader.LocalName == "sequence")
 282                                         {
 283                                                 level = 3;
 284                                                 XmlSchemaSequence sequence = XmlSchemaSequence.Read(reader,h);
 285                                                 if(sequence != null)
 286                                                         extension.particle = sequence;
 287                                                 continue;
 288                                         }
 289                                 }
 290                                 if(level <= 3)
 291                                 {
 292                                         if(reader.LocalName == "attribute")
 293                                         {
 294                                                 level = 3;
 295                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
 296                                                 if(attr != null)
 297                                                         extension.Attributes.Add(attr);
 298                                                 continue;
 299                                         }
 300                                         if(reader.LocalName == "attributeGroup")
 301                                         {
 302                                                 level = 3;
 303                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
 304                                                 if(attr != null)
 305                                                         extension.attributes.Add(attr);
 306                                                 continue;
 307                                         }
 308                                 }
 309                                 if(level <= 4 && reader.LocalName == "anyAttribute")
 310                                 {
 311                                         level = 5;
 312                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
 313                                         if(anyattr != null)
 314                                                 extension.AnyAttribute = anyattr;
 315                                         continue;
 316                                 }
 317                                 reader.RaiseInvalidElementError();
 318                         }
 319                         return extension;
 320                 }
 321         }
 322 }