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                                         // It is not documented by W3C but it should be.
  56                                         anyTypeContent.wildcard.ResolvedProcessing =
  57                                                 anyTypeContent.ProcessContents = XmlSchemaContentProcessing.Lax;
  58                                         anyTypeContent.wildcard.SkipCompile = true;
  59                                 }
  60                                 return anyTypeContent;
  61                         }
  62                 }
  63
  64                 private string nameSpace;
  65                 private XmlSchemaContentProcessing processing;
  66                 const string xmlname = "any";
  67
  68                 private XsdWildcard wildcard;
  69
  70                 public XmlSchemaAny()
  71                 {
  72                         wildcard = new XsdWildcard (this);
  73                 }
  74
  75                 [System.Xml.Serialization.XmlAttribute("namespace")]
  76                 public string Namespace
  77                 {
  78                         get{ return  nameSpace; }
  79                         set{ nameSpace = value; }
  80                 }
  81
  82                 [DefaultValue(XmlSchemaContentProcessing.None)]
  83                 [System.Xml.Serialization.XmlAttribute("processContents")]
  84                 public XmlSchemaContentProcessing ProcessContents
  85                 {
  86                         get{ return processing; }
  87                         set{ processing = value; }
  88                 }
  89
  90                 // Post Compilation Schema Infoset
  91                 internal bool HasValueAny {
  92                         get { return wildcard.HasValueAny; }
  93                 }
  94
  95                 internal bool HasValueLocal {
  96                         get { return wildcard.HasValueLocal; }
  97                 }
  98
  99                 internal bool HasValueOther {
 100                         get { return wildcard.HasValueOther; }
 101                 }
 102
 103                 internal bool HasValueTargetNamespace {
 104                         get { return wildcard.HasValueTargetNamespace; }
 105                 }
 106
 107                 internal StringCollection ResolvedNamespaces {
 108                         get { return wildcard.ResolvedNamespaces; }
 109                 }
 110
 111                 internal XmlSchemaContentProcessing ResolvedProcessContents
 112                 {
 113                         get{ return wildcard.ResolvedProcessing; }
 114                 }
 115
 116                 internal string TargetNamespace
 117                 {
 118                         get { return wildcard.TargetNamespace; }
 119                 }
 120
 121                 /// <remarks>
 122                 /// 1. id must be of type ID
 123                 /// 2. namespace can have one of the following values:
 124                 ///             a) ##any or ##other
 125                 ///             b) list of anyURI and ##targetNamespace and ##local
 126                 /// </remarks>
 127                 internal override int Compile(ValidationEventHandler h, XmlSchema schema)
 128                 {
 129                         // If this is already compiled this time, simply skip.
 130                         if (CompilationId == schema.CompilationId)
 131                                 return 0;
 132
 133                         errorCount = 0;
 134
 135                         XmlSchemaUtil.CompileID(Id,this, schema.IDCollection,h);
 136                         wildcard.TargetNamespace = AncestorSchema.TargetNamespace;
 137                         if (wildcard.TargetNamespace == null)
 138                                 wildcard.TargetNamespace = "";
 139                         CompileOccurence (h, schema);
 140
 141                         wildcard.Compile (Namespace, h, schema);
 142
 143                         if (processing == XmlSchemaContentProcessing.None)
 144                                 wildcard.ResolvedProcessing = XmlSchemaContentProcessing.Strict;
 145                         else
 146                                 wildcard.ResolvedProcessing = processing;
 147
 148                         this.CompilationId = schema.CompilationId;
 149                         return errorCount;
 150                 }
 151
 152                 internal override XmlSchemaParticle GetOptimizedParticle (bool isTop)
 153                 {
 154                         if (OptimizedParticle != null)
 155                                 return OptimizedParticle;
 156                         // Uncommenting this causes incorrect validation.
 157                         // It will prevent UPA e.g. msxsdtest/Particles/particlesJf006.xsd
 158 //                      if (ValidatedMaxOccurs == 0) {
 159 //                              OptimizedParticle = XmlSchemaParticle.Empty;
 160 //                              return OptimizedParticle;
 161 //                      }
 162
 163                         XmlSchemaAny any = new XmlSchemaAny ();
 164                         CopyInfo (any);
 165                         any.CompileOccurence (null, null);
 166                         any.wildcard = this.wildcard;
 167                         OptimizedParticle = any;
 168
 169                         // properties which never contribute to validation
 170                         any.Namespace = Namespace;
 171                         any.ProcessContents = ProcessContents;
 172                         any.Annotation = Annotation;
 173                         any.UnhandledAttributes = UnhandledAttributes;
 174
 175                         return OptimizedParticle;
 176                 }
 177
 178                 internal override int Validate(ValidationEventHandler h, XmlSchema schema)
 179                 {
 180                         return errorCount;
 181                 }
 182
 183                 internal override bool ParticleEquals (XmlSchemaParticle other)
 184                 {
 185                         XmlSchemaAny any = other as XmlSchemaAny;
 186                         if (any == null)
 187                                 return false;
 188                         if (this.HasValueAny != any.HasValueAny ||
 189                                 this.HasValueLocal != any.HasValueLocal ||
 190                                 this.HasValueOther != any.HasValueOther ||
 191                                 this.HasValueTargetNamespace != any.HasValueTargetNamespace ||
 192                                 this.ResolvedProcessContents != any.ResolvedProcessContents ||
 193                                 this.ValidatedMaxOccurs != any.ValidatedMaxOccurs ||
 194                                 this.ValidatedMinOccurs != any.ValidatedMinOccurs ||
 195                                 this.ResolvedNamespaces.Count != any.ResolvedNamespaces.Count)
 196                                 return false;
 197                         for (int i = 0; i < ResolvedNamespaces.Count; i++)
 198                                 if (ResolvedNamespaces [i] != any.ResolvedNamespaces [i])
 199                                         return false;
 200                         return true;
 201                 }
 202
 203
 204                 // 3.8.6. Attribute Wildcard Intersection
 205                 // Only try to examine if their intersection is expressible, and
 206                 // returns if the result is empty.
 207                 internal bool ExamineAttributeWildcardIntersection (XmlSchemaAny other,
 208                         ValidationEventHandler h, XmlSchema schema)
 209                 {
 210                         return wildcard.ExamineAttributeWildcardIntersection (other, h, schema);
 211                 }
 212
 213                 internal override bool ValidateDerivationByRestriction (XmlSchemaParticle baseParticle,
 214                         ValidationEventHandler h, XmlSchema schema, bool raiseError)
 215                 {
 216                         XmlSchemaAny baseAny = baseParticle as XmlSchemaAny;
 217                         if (baseAny == null) {
 218                                 if (raiseError)
 219                                         error (h, "Invalid particle derivation by restriction was found.");
 220                                 return false;
 221                         }
 222                         // 3.9.6 Particle Derivation OK (Any:Any - NSSubset)
 223                         if (!ValidateOccurenceRangeOK (baseParticle, h, schema, raiseError))
 224                                 return false;
 225                         return wildcard.ValidateWildcardSubset (baseAny.wildcard, h, schema, raiseError);
 226                 }
 227
 228
 229                 internal override void CheckRecursion (int depth, ValidationEventHandler h, XmlSchema schema)
 230                 {
 231                         // do nothing
 232                 }
 233
 234                 internal override void ValidateUniqueParticleAttribution (
 235                         XmlSchemaObjectTable qnames, ArrayList nsNames,
 236                         ValidationEventHandler h, XmlSchema schema)
 237                 {
 238                         // Wildcard Intersection check.
 239                         foreach (XmlSchemaAny other in nsNames)
 240                                 if (!ExamineAttributeWildcardIntersection (other, h, schema))
 241                                         error (h, "Ambiguous -any- particle was found.");
 242                         nsNames.Add (this);
 243                 }
 244
 245                 internal override void ValidateUniqueTypeAttribution (XmlSchemaObjectTable labels,
 246                         ValidationEventHandler h, XmlSchema schema)
 247                 {
 248                         // do nothing
 249                 }
 250
 251                 // 3.10.4 Wildcard Allows Namespace Name. (In fact it is almost copy...)
 252                 internal bool ValidateWildcardAllowsNamespaceName (string ns,
 253                         ValidationEventHandler h, XmlSchema schema, bool raiseError)
 254                 {
 255                         return wildcard.ValidateWildcardAllowsNamespaceName (ns, h, schema, raiseError);
 256                 }
 257
 258                 //<any
 259                 //  id = ID
 260                 //  maxOccurs =  (nonNegativeInteger | unbounded)  : 1
 261                 //  minOccurs = nonNegativeInteger : 1
 262                 //  namespace = ((##any | ##other) | List of (anyURI | (##targetNamespace | ##local)) )  : ##any
 263                 //  processContents = (lax | skip | strict) : strict
 264                 //  {any attributes with non-schema namespace . . .}>
 265                 //  Content: (annotation?)
 266                 //</any>
 267                 internal static XmlSchemaAny Read(XmlSchemaReader reader, ValidationEventHandler h)
 268                 {
 269                         XmlSchemaAny any = new XmlSchemaAny();
 270                         reader.MoveToElement();
 271
 272                         if(reader.NamespaceURI != XmlSchema.Namespace || reader.LocalName != xmlname)
 273                         {
 274                                 error(h,"Should not happen :1: XmlSchemaAny.Read, name="+reader.Name,null);
 275                                 reader.SkipToEnd();
 276                                 return null;
 277                         }
 278
 279                         any.LineNumber = reader.LineNumber;
 280                         any.LinePosition = reader.LinePosition;
 281                         any.SourceUri = reader.BaseURI;
 282
 283                         while(reader.MoveToNextAttribute())
 284                         {
 285                                 if(reader.Name == "id")
 286                                 {
 287                                         any.Id = reader.Value;
 288                                 }
 289                                 else if(reader.Name == "maxOccurs")
 290                                 {
 291                                         try
 292                                         {
 293                                                 any.MaxOccursString = reader.Value;
 294                                         }
 295                                         catch(Exception e)
 296                                         {
 297                                                 error(h,reader.Value + " is an invalid value for maxOccurs",e);
 298                                         }
 299                                 }
 300                                 else if(reader.Name == "minOccurs")
 301                                 {
 302                                         try
 303                                         {
 304                                                 any.MinOccursString = reader.Value;
 305                                         }
 306                                         catch(Exception e)
 307                                         {
 308                                                 error(h,reader.Value + " is an invalid value for minOccurs", e);
 309                                         }
 310                                 }
 311                                 else if(reader.Name == "namespace")
 312                                 {
 313                                         any.nameSpace = reader.Value;
 314                                 }
 315                                 else if(reader.Name == "processContents")
 316                                 {
 317                                         Exception innerex;
 318                                         any.processing = XmlSchemaUtil.ReadProcessingAttribute(reader,out innerex);
 319                                         if(innerex != null)
 320                                                 error(h, reader.Value + " is not a valid value for processContents",innerex);
 321                                 }
 322                                 else if((reader.NamespaceURI == "" && reader.Name != "xmlns") || reader.NamespaceURI == XmlSchema.Namespace)
 323                                 {
 324                                         error(h,reader.Name + " is not a valid attribute for any",null);
 325                                 }
 326                                 else
 327                                 {
 328                                         XmlSchemaUtil.ReadUnhandledAttribute(reader,any);
 329                                 }
 330                         }
 331
 332                         reader.MoveToElement();
 333                         if(reader.IsEmptyElement)
 334                                 return any;
 335
 336                         //  Content: (annotation?)
 337                         int level = 1;
 338                         while(reader.ReadNextElement())
 339                         {
 340                                 if(reader.NodeType == XmlNodeType.EndElement)
 341                                 {
 342                                         if(reader.LocalName != xmlname)
 343                                                 error(h,"Should not happen :2: XmlSchemaAny.Read, name="+reader.Name,null);
 344                                         break;
 345                                 }
 346                                 if(level <= 1 && reader.LocalName == "annotation")
 347                                 {
 348                                         level = 2;      //Only one annotation
 349                                         XmlSchemaAnnotation annotation = XmlSchemaAnnotation.Read(reader,h);
 350                                         if(annotation != null)
 351                                                 any.Annotation = annotation;
 352                                         continue;
 353                                 }
 354                                 reader.RaiseInvalidElementError();
 355                         }
 356                         return any;
 357                 }
 358         }
 359 }