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

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