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))]
  60                 [XmlElement("all",typeof(XmlSchemaAll))]
  61                 [XmlElement("choice",typeof(XmlSchemaChoice))]
  62                 [XmlElement("sequence",typeof(XmlSchemaSequence))]
  63                 public XmlSchemaParticle Particle
  64                 {
  65                         get{ return  particle; }
  66                         set{ particle = value; }
  67                 }
  68
  69                 [XmlElement("attribute",typeof(XmlSchemaAttribute))]
  70                 [XmlElement("attributeGroup",typeof(XmlSchemaAttributeGroupRef))]
  71                 public XmlSchemaObjectCollection Attributes
  72                 {
  73                         get{ return attributes; }
  74                 }
  75
  76                 [XmlElement("anyAttribute")]
  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                 internal override void SetParent (XmlSchemaObject parent)
  89                 {
  90                         base.SetParent (parent);
  91                         if (Particle != null)
  92                                 Particle.SetParent (this);
  93                         if (AnyAttribute != null)
  94                                 AnyAttribute.SetParent (this);
  95                         foreach (XmlSchemaObject obj in Attributes)
  96                                 obj.SetParent (this);
  97                 }
  98
  99                 /// <remarks>
 100                 /// 1. base must be present
 101                 /// </remarks>
 102                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
 103                 {
 104                         // If this is already compiled this time, simply skip.
 105                         if (CompilationId == schema.CompilationId)
 106                                 return 0;
 107
 108                         if (this.isRedefinedComponent) {
 109                                 if (Annotation != null)
 110                                         Annotation.isRedefinedComponent = true;
 111                                 if (AnyAttribute != null)
 112                                         AnyAttribute.isRedefinedComponent = true;
 113                                 foreach (XmlSchemaObject obj in Attributes)
 114                                         obj.isRedefinedComponent = true;
 115                                 if (Particle != null)
 116                                         Particle.isRedefinedComponent = true;
 117                         }
 118
 119                         if(BaseTypeName == null || BaseTypeName.IsEmpty)
 120                         {
 121                                 error(h, "base must be present, as a QName");
 122                         }
 123                         else if(!XmlSchemaUtil.CheckQName(BaseTypeName))
 124                                 error(h,"BaseTypeName is not a valid XmlQualifiedName");
 125
 126                         if(this.AnyAttribute != null)
 127                         {
 128                                 errorCount += AnyAttribute.Compile(h, schema);
 129                         }
 130
 131                         foreach(XmlSchemaObject obj in Attributes)
 132                         {
 133                                 if(obj is XmlSchemaAttribute)
 134                                 {
 135                                         XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
 136                                         errorCount += attr.Compile(h, schema);
 137                                 }
 138                                 else if(obj is XmlSchemaAttributeGroupRef)
 139                                 {
 140                                         XmlSchemaAttributeGroupRef atgrp = (XmlSchemaAttributeGroupRef) obj;
 141                                         errorCount += atgrp.Compile(h, schema);
 142                                 }
 143                                 else
 144                                         error(h,obj.GetType() +" is not valid in this place::ComplexContentRestriction");
 145                         }
 146
 147                         if(Particle != null)
 148                         {
 149                                 if(Particle is XmlSchemaGroupRef)
 150                                 {
 151                                         errorCount += ((XmlSchemaGroupRef)Particle).Compile(h, schema);
 152                                 }
 153                                 else if(Particle is XmlSchemaAll)
 154                                 {
 155                                         errorCount += ((XmlSchemaAll)Particle).Compile(h, schema);
 156                                 }
 157                                 else if(Particle is XmlSchemaChoice)
 158                                 {
 159                                         errorCount += ((XmlSchemaChoice)Particle).Compile(h, schema);
 160                                 }
 161                                 else if(Particle is XmlSchemaSequence)
 162                                 {
 163                                         errorCount += ((XmlSchemaSequence)Particle).Compile(h, schema);
 164                                 }
 165                                 else
 166                                         error (h, "Particle of a restriction is limited only to group, sequence, choice and all.");
 167                         }
 168
 169                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
 170
 171                         this.CompilationId = schema.CompilationId;
 172                         return errorCount;
 173                 }
 174
 175                 internal override XmlQualifiedName GetBaseTypeName ()
 176                 {
 177                         return baseTypeName;
 178                 }
 179
 180                 internal override XmlSchemaParticle GetParticle ()
 181                 {
 182                         return particle;
 183                 }
 184
 185                 internal override int Validate (ValidationEventHandler h, XmlSchema schema)
 186                 {
 187                         if (Particle != null)
 188                                 Particle.Validate (h, schema);
 189                         return errorCount;
 190                 }
 191
 192                 //<restriction
 193                 //  base = QName
 194                 //  id = ID
 195                 //  {any attributes with non-schema namespace . . .}>
 196                 //  Content: (annotation?, ((group | all | choice | sequence)?, ((attribute | attributeGroup)*, anyAttribute?)))
 197                 //</restriction>
 198                 internal static XmlSchemaComplexContentRestriction Read(XmlSchemaReader reader, ValidationEventHandler h)
 199                 {
 200                         XmlSchemaComplexContentRestriction restriction = new XmlSchemaComplexContentRestriction();
 201                         reader.MoveToElement();
 202
 203                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 204                         {
 205                                 error(h,"Should not happen :1: XmlSchemaComplexContentRestriction.Read, name="+reader.Name,null);
 206                                 reader.Skip();
 207                                 return null;
 208                         }
 209
 210                         restriction.LineNumber = reader.LineNumber;
 211                         restriction.LinePosition = reader.LinePosition;
 212                         restriction.SourceUri = reader.BaseURI;
 213
 214                         while(reader.MoveToNextAttribute())
 215                         {
 216                                 if(reader.Name == "base")
 217                                 {
 218                                         Exception innerex;
 219                                         restriction.baseTypeName = XmlSchemaUtil.ReadQNameAttribute(reader,out innerex);
 220                                         if(innerex != null)
 221                                                 error(h, reader.Value + " is not a valid value for base attribute",innerex);
 222                                 }
 223                                 else if(reader.Name == "id")
 224                                 {
 225                                         restriction.Id = 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 restriction",null);
 230                                 }
 231                                 else
 232                                 {
 233                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,restriction);
 234                                 }
 235                         }
 236
 237                         reader.MoveToElement();
 238                         if(reader.IsEmptyElement)
 239                                 return restriction;
 240                         //Content: 1. annotation?,
 241                         //                      (2.(group | all | choice | sequence)?, (3.(attribute | attributeGroup)*, 4.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: XmlSchemaComplexContentRestriction.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                                                 restriction.Annotation = annotation;
 257                                         continue;
 258                                 }
 259                                 if(level <= 2)
 260                                 {
 261                                         if(reader.LocalName == "group")
 262                                         {
 263                                                 level = 3;
 264                                                 XmlSchemaGroupRef group = XmlSchemaGroupRef.Read(reader,h);
 265                                                 if(group != null)
 266                                                         restriction.particle = group;
 267                                                 continue;
 268                                         }
 269                                         if(reader.LocalName == "all")
 270                                         {
 271                                                 level = 3;
 272                                                 XmlSchemaAll all = XmlSchemaAll.Read(reader,h);
 273                                                 if(all != null)
 274                                                         restriction.particle = all;
 275                                                 continue;
 276                                         }
 277                                         if(reader.LocalName == "choice")
 278                                         {
 279                                                 level = 3;
 280                                                 XmlSchemaChoice choice = XmlSchemaChoice.Read(reader,h);
 281                                                 if(choice != null)
 282                                                         restriction.particle = choice;
 283                                                 continue;
 284                                         }
 285                                         if(reader.LocalName == "sequence")
 286                                         {
 287                                                 level = 3;
 288                                                 XmlSchemaSequence sequence = XmlSchemaSequence.Read(reader,h);
 289                                                 if(sequence != null)
 290                                                         restriction.particle = sequence;
 291                                                 continue;
 292                                         }
 293                                 }
 294                                 if(level <= 3)
 295                                 {
 296                                         if(reader.LocalName == "attribute")
 297                                         {
 298                                                 level = 3;
 299                                                 XmlSchemaAttribute attr = XmlSchemaAttribute.Read(reader,h);
 300                                                 if(attr != null)
 301                                                         restriction.Attributes.Add(attr);
 302                                                 continue;
 303                                         }
 304                                         if(reader.LocalName == "attributeGroup")
 305                                         {
 306                                                 level = 3;
 307                                                 XmlSchemaAttributeGroupRef attr = XmlSchemaAttributeGroupRef.Read(reader,h);
 308                                                 if(attr != null)
 309                                                         restriction.attributes.Add(attr);
 310                                                 continue;
 311                                         }
 312                                 }
 313                                 if(level <= 4 && reader.LocalName == "anyAttribute")
 314                                 {
 315                                         level = 5;
 316                                         XmlSchemaAnyAttribute anyattr = XmlSchemaAnyAttribute.Read(reader,h);
 317                                         if(anyattr != null)
 318                                                 restriction.AnyAttribute = anyattr;
 319                                         continue;
 320                                 }
 321                                 reader.RaiseInvalidElementError();
 322                         }
 323                         return restriction;
 324                 }
 325         }
 326 }