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

   1 //
   2 // System.Xml.Schema.XmlSchemaAny.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.Collections;
  31 using System.Collections.Specialized;
  32 using System.Xml;
  33 using System.Xml.Serialization;
  34 using System.ComponentModel;
  35 using Mono.Xml.Schema;
  36
  37 namespace System.Xml.Schema
  38 {
  39         /// <summary>
  40         /// Summary description for XmlSchemaAny.
  41         /// </summary>
  42         public class XmlSchemaAny : XmlSchemaParticle
  43         {
  44                 static XmlSchemaAny anyTypeContent;
  45                 internal static XmlSchemaAny AnyTypeContent {
  46                         get {
  47                                 if (anyTypeContent == null) {
  48                                         anyTypeContent = new XmlSchemaAny ();
  49                                         anyTypeContent.MaxOccursString = "unbounded";
  50                                         anyTypeContent.MinOccurs = 0;
  51                                         anyTypeContent.CompileOccurence (null, null);
  52                                         anyTypeContent.Namespace = "##any";
  53                                         anyTypeContent.wildcard.HasValueAny = true;
  54                                         anyTypeContent.wildcard.ResolvedNamespaces = new StringCollection ();
  55                                         // Although it is not documented by W3C, but it should be.
  56                                         anyTypeContent.wildcard.ResolvedProcessing =
  57                                         anyTypeContent.ProcessContents = XmlSchemaContentProcessing.Lax;
  58                                 }
  59                                 return anyTypeContent;
  60                         }
  61                 }
  62
  63                 private string nameSpace;
  64                 private XmlSchemaContentProcessing processing;
  65                 const string xmlname = "any";
  66
  67                 private XsdWildcard wildcard;
  68
  69                 public XmlSchemaAny()
  70                 {
  71                         wildcard = new XsdWildcard (this);
  72                 }
  73
  74                 [System.Xml.Serialization.XmlAttribute("namespace")]
  75                 public string Namespace
  76                 {
  77                         get{ return  nameSpace; }
  78                         set{ nameSpace = value; }
  79                 }
  80
  81                 [DefaultValue(XmlSchemaContentProcessing.None)]
  82                 [System.Xml.Serialization.XmlAttribute("processContents")]
  83                 public XmlSchemaContentProcessing ProcessContents
  84                 {
  85                         get{ return processing; }
  86                         set{ processing = value; }
  87                 }
  88
  89                 // Post Compilation Schema Infoset
  90                 internal bool HasValueAny {
  91                         get { return wildcard.HasValueAny; }
  92                 }
  93
  94                 internal bool HasValueLocal {
  95                         get { return wildcard.HasValueLocal; }
  96                 }
  97
  98                 internal bool HasValueOther {
  99                         get { return wildcard.HasValueOther; }
 100                 }
 101
 102                 internal bool HasValueTargetNamespace {
 103                         get { return wildcard.HasValueTargetNamespace; }
 104                 }
 105
 106                 internal StringCollection ResolvedNamespaces {
 107                         get { return wildcard.ResolvedNamespaces; }
 108                 }
 109
 110                 internal XmlSchemaContentProcessing ResolvedProcessContents
 111                 {
 112                         get{ return wildcard.ResolvedProcessing; }
 113                 }
 114
 115                 internal string TargetNamespace
 116                 {
 117                         get { return wildcard.TargetNamespace; }
 118                 }
 119
 120                 /// <remarks>
 121                 /// 1. id must be of type ID
 122                 /// 2. namespace can have one of the following values:
 123                 ///             a) ##any or ##other
 124                 ///             b) list of anyURI and ##targetNamespace and ##local
 125                 /// </remarks>
 126                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
 127                 {
 128                         // If this is already compiled this time, simply skip.
 129                         if (this.IsComplied (schema.CompilationId))
 130                                 return 0;
 131
 132                         errorCount = 0;
 133
 134                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
 135                         wildcard.TargetNamespace = schema.TargetNamespace;
 136                         if (wildcard.TargetNamespace == null)
 137                                 wildcard.TargetNamespace = "";
 138                         CompileOccurence (h, schema);
 139
 140                         wildcard.Compile (Namespace, h, schema);
 141
 142                         if (processing == XmlSchemaContentProcessing.None)
 143                                 wildcard.ResolvedProcessing = XmlSchemaContentProcessing.Strict;
 144                         else
 145                                 wildcard.ResolvedProcessing = processing;
 146
 147                         this.CompilationId = schema.CompilationId;
 148                         return errorCount;
 149                 }
 150
 151                 internal override XmlSchemaParticle GetOptimizedParticle (bool isTop)
 152                 {
 153                         if (OptimizedParticle != null)
 154                                 return OptimizedParticle;
 155                         // Uncommenting this causes incorrect validation.
 156                         // It will prevent UPA e.g. msxsdtest/Particles/particlesJf006.xsd
 157 //                      if (ValidatedMaxOccurs == 0) {
 158 //                              OptimizedParticle = XmlSchemaParticle.Empty;
 159 //                              return OptimizedParticle;
 160 //                      }
 161
 162                         XmlSchemaAny any = new XmlSchemaAny ();
 163                         CopyInfo (any);
 164                         any.CompileOccurence (null, null);
 165                         any.wildcard = this.wildcard;
 166                         OptimizedParticle = any;
 167
 168                         // properties which never contribute to validation
 169                         any.Namespace = Namespace;
 170                         any.ProcessContents = ProcessContents;
 171                         any.Annotation = Annotation;
 172                         any.UnhandledAttributes = UnhandledAttributes;
 173
 174                         return OptimizedParticle;
 175                 }
 176
 177                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
 178                 {
 179                         return errorCount;
 180                 }
 181
 182                 internal override bool ParticleEquals (XmlSchemaParticle other)
 183                 {
 184                         XmlSchemaAny any = other as XmlSchemaAny;
 185                         if (any == null)
 186                                 return false;
 187                         if (this.HasValueAny != any.HasValueAny ||
 188                                 this.HasValueLocal != any.HasValueLocal ||
 189                                 this.HasValueOther != any.HasValueOther ||
 190                                 this.HasValueTargetNamespace != any.HasValueTargetNamespace ||
 191                                 this.ResolvedProcessContents != any.ResolvedProcessContents ||
 192                                 this.ValidatedMaxOccurs != any.ValidatedMaxOccurs ||
 193                                 this.ValidatedMinOccurs != any.ValidatedMinOccurs ||
 194                                 this.ResolvedNamespaces.Count != any.ResolvedNamespaces.Count)
 195                                 return false;
 196                         for (int i = 0; i < ResolvedNamespaces.Count; i++)
 197                                 if (ResolvedNamespaces [i] != any.ResolvedNamespaces [i])
 198                                         return false;
 199                         return true;
 200                 }
 201
 202
 203                 // 3.8.6. Attribute Wildcard Intersection
 204                 // Only try to examine if their intersection is expressible, and
 205                 // returns if the result is empty.
 206                 internal bool ExamineAttributeWildcardIntersection (XmlSchemaAny other,
 207                         ValidationEventHandler h, XmlSchema schema)
 208                 {
 209                         return wildcard.ExamineAttributeWildcardIntersection (other, h, schema);
 210                 }
 211
 212                 internal override bool ValidateDerivationByRestriction (XmlSchemaParticle baseParticle,
 213                         ValidationEventHandler h, XmlSchema schema, bool raiseError)
 214                 {
 215                         XmlSchemaAny baseAny = baseParticle as XmlSchemaAny;
 216                         if (baseAny == null) {
 217                                 if (raiseError)
 218                                         error (h, "Invalid particle derivation by restriction was found.");
 219                                 return false;
 220                         }
 221                         // 3.9.6 Particle Derivation OK (Any:Any - NSSubset)
 222                         if (!ValidateOccurenceRangeOK (baseParticle, h, schema, raiseError))
 223                                 return false;
 224                         return wildcard.ValidateWildcardSubset (baseAny.wildcard, h, schema, raiseError);
 225                 }
 226
 227
 228                 internal override void CheckRecursion (int depth, ValidationEventHandler h, XmlSchema schema)
 229                 {
 230                         // do nothing
 231                 }
 232
 233                 internal override void ValidateUniqueParticleAttribution (
 234                         XmlSchemaObjectTable qnames, ArrayList nsNames,
 235                         ValidationEventHandler h, XmlSchema schema)
 236                 {
 237                         // Wildcard Intersection check.
 238                         foreach (XmlSchemaAny other in nsNames)
 239                                 if (!ExamineAttributeWildcardIntersection (other, h, schema))
 240                                         error (h, "Ambiguous -any- particle was found.");
 241                         nsNames.Add (this);
 242                 }
 243
 244                 internal override void ValidateUniqueTypeAttribution (XmlSchemaObjectTable labels,
 245                         ValidationEventHandler h, XmlSchema schema)
 246                 {
 247                         // do nothing
 248                 }
 249
 250                 // 3.10.4 Wildcard Allows Namespace Name. (In fact it is almost copy...)
 251                 internal bool ValidateWildcardAllowsNamespaceName (string ns,
 252                         ValidationEventHandler h, XmlSchema schema, bool raiseError)
 253                 {
 254                         return wildcard.ValidateWildcardAllowsNamespaceName (ns, h, schema, raiseError);
 255                 }
 256
 257                 //<any
 258                 //  id = ID
 259                 //  maxOccurs =  (nonNegativeInteger | unbounded)  : 1
 260                 //  minOccurs = nonNegativeInteger : 1
 261                 //  namespace = ((##any | ##other) | List of (anyURI | (##targetNamespace | ##local)) )  : ##any
 262                 //  processContents = (lax | skip | strict) : strict
 263                 //  {any attributes with non-schema namespace . . .}>
 264                 //  Content: (annotation?)
 265                 //</any>
 266                 internal static XmlSchemaAny Read(XmlSchemaReader reader, ValidationEventHandler h)
 267                 {
 268                         XmlSchemaAny any = new XmlSchemaAny();
 269                         reader.MoveToElement();
 270
 271                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 272                         {
 273                                 error(h,"Should not happen :1: XmlSchemaAny.Read, name="+reader.Name,null);
 274                                 reader.SkipToEnd();
 275                                 return null;
 276                         }
 277
 278                         any.LineNumber = reader.LineNumber;
 279                         any.LinePosition = reader.LinePosition;
 280                         any.SourceUri = reader.BaseURI;
 281
 282                         while(reader.MoveToNextAttribute())
 283                         {
 284                                 if(reader.Name == "id")
 285                                 {
 286                                         any.Id = reader.Value;
 287                                 }
 288                                 else if(reader.Name == "maxOccurs")
 289                                 {
 290                                         try
 291                                         {
 292                                                 any.MaxOccursString = reader.Value;
 293                                         }
 294                                         catch(Exception e)
 295                                         {
 296                                                 error(h,reader.Value + " is an invalid value for maxOccurs",e);
 297                                         }
 298                                 }
 299                                 else if(reader.Name == "minOccurs")
 300                                 {
 301                                         try
 302                                         {
 303                                                 any.MinOccursString = reader.Value;
 304                                         }
 305                                         catch(Exception e)
 306                                         {
 307                                                 error(h,reader.Value + " is an invalid value for minOccurs", e);
 308                                         }
 309                                 }
 310                                 else if(reader.Name == "namespace")
 311                                 {
 312                                         any.nameSpace = reader.Value;
 313                                 }
 314                                 else if(reader.Name == "processContents")
 315                                 {
 316                                         Exception innerex;
 317                                         any.processing = XmlSchemaUtil.ReadProcessingAttribute(reader,out innerex);
 318                                         if(innerex != null)
 319                                                 error(h, reader.Value + " is not a valid value for processContents",innerex);
 320                                 }
 321                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
 322                                 {
 323                                         error(h,reader.Name + " is not a valid attribute for any",null);
 324                                 }
 325                                 else
 326                                 {
 327                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,any);
 328                                 }
 329                         }
 330
 331                         reader.MoveToElement();
 332                         if(reader.IsEmptyElement)
 333                                 return any;
 334
 335                         //  Content: (annotation?)
 336                         int level = 1;
 337                         while(reader.ReadNextElement())
 338                         {
 339                                 if(reader.NodeType == XmlNodeType.EndElement)
 340                                 {
 341                                         if(reader.LocalName != xmlname)
 342                                                 error(h,"Should not happen :2: XmlSchemaAny.Read, name="+reader.Name,null);
 343                                         break;
 344                                 }
 345                                 if(level <= 1 && reader.LocalName == "annotation")
 346                                 {
 347                                         level = 2;      //Only one annotation
 348                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
 349                                         if(annotation != null)
 350                                                 any.Annotation = annotation;
 351                                         continue;
 352                                 }
 353                                 reader.RaiseInvalidElementError();
 354                         }
 355                         return any;
 356                 }
 357         }
 358 }