mcs/class/System.XML/System.Xml.Serialization/XmlTypeMapping.cs

   1 //
   2 // XmlTypeMapping.cs:
   3 //
   4 // Author:
   5 //   John Donagher (john@webmeta.com)
   6 //   Lluis Sanchez Gual (lluis@ximian.com)
   7 //
   8 // (C) 2002 John Donagher
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Xml;
  33 using System;
  34 using System.Collections;
  35 using System.Globalization;
  36 using System.Xml.Schema;
  37 using System.Reflection;
  38
  39 namespace System.Xml.Serialization
  40 {
  41         public class XmlTypeMapping : XmlMapping
  42         {
  43                 private string xmlType;
  44                 private string xmlTypeNamespace;
  45                 TypeData type;
  46                 XmlTypeMapping baseMap;
  47                 bool multiReferenceType = false;
  48                 bool isSimpleType;
  49                 string documentation;
  50                 bool includeInSchema;
  51                 bool isNullable = true;
  52
  53                 ArrayList _derivedTypes = new ArrayList();
  54
  55                 internal XmlTypeMapping(string elementName, string ns, TypeData typeData, string xmlType, string xmlTypeNamespace)
  56                 : base (elementName, ns)
  57                 {
  58                         this.type = typeData;
  59                         this.xmlType = xmlType;
  60                         this.xmlTypeNamespace = xmlTypeNamespace;
  61                 }
  62
  63 #if !NET_2_0
  64                 public string ElementName
  65                 {
  66                         get { return _elementName; }
  67                 }
  68
  69                 public string Namespace
  70                 {
  71                         get { return _namespace; }
  72                 }
  73 #endif
  74
  75                 public string TypeFullName
  76                 {
  77                         get { return type.FullTypeName; }
  78                 }
  79
  80                 public string TypeName
  81                 {
  82                         get { return type.TypeName; }
  83                 }
  84
  85 #if NET_2_0
  86                 public string XsdTypeName
  87                 {
  88                         get { return XmlType; }
  89                 }
  90
  91                 public string XsdTypeNamespace
  92                 {
  93                         get { return XmlTypeNamespace; }
  94                 }
  95 #endif
  96
  97                 internal TypeData TypeData
  98                 {
  99                         get { return type; }
 100                 }
 101
 102                 internal string XmlType
 103                 {
 104                         get { return xmlType; }
 105                         set { xmlType = value; }
 106                 }
 107
 108                 internal string XmlTypeNamespace
 109                 {
 110                         get { return xmlTypeNamespace ?? string.Empty; }
 111                         set { xmlTypeNamespace = value; }
 112                 }
 113
 114                 internal bool HasXmlTypeNamespace
 115                 {
 116                         get { return xmlTypeNamespace != null; }
 117                 }
 118
 119                 internal ArrayList DerivedTypes
 120                 {
 121                         get { return _derivedTypes; }
 122                         set { _derivedTypes = value; }
 123                 }
 124
 125                 internal bool MultiReferenceType
 126                 {
 127                         get { return multiReferenceType; }
 128                         set { multiReferenceType = value; }
 129                 }
 130
 131                 internal XmlTypeMapping BaseMap
 132                 {
 133                         get { return baseMap; }
 134                         set { baseMap = value; }
 135                 }
 136
 137                 internal bool IsSimpleType
 138                 {
 139                         get { return isSimpleType; }
 140                         set { isSimpleType = value; }
 141                 }
 142
 143                 internal string Documentation
 144                 {
 145                         set { documentation = value; }
 146                         get { return documentation; }
 147                 }
 148
 149                 internal bool IncludeInSchema
 150                 {
 151                         get { return includeInSchema; }
 152                         set { includeInSchema = value; }
 153                 }
 154
 155                 internal bool IsNullable
 156                 {
 157                         get { return isNullable; }
 158                         set { isNullable = value; }
 159                 }
 160
 161                 internal XmlTypeMapping GetRealTypeMap (Type objectType)
 162                 {
 163                         if (TypeData.SchemaType == SchemaTypes.Enum)
 164                                 return this;
 165
 166                         // Returns the map for a subtype of this map's type
 167                         if (TypeData.Type == objectType) return this;
 168                         for (int n=0; n<_derivedTypes.Count; n++) {
 169                                 XmlTypeMapping map = (XmlTypeMapping) _derivedTypes[n];
 170                                 if (map.TypeData.Type == objectType) return map;
 171                         }
 172
 173                         return null;
 174                 }
 175
 176                 internal XmlTypeMapping GetRealElementMap (string name, string ens)
 177                 {
 178                         if (xmlType == name && XmlTypeNamespace == ens) return this;
 179                         foreach (XmlTypeMapping map in _derivedTypes)
 180                                 if (map.xmlType == name && map.XmlTypeNamespace == ens) return map;
 181
 182                         return null;
 183                 }
 184
 185                 internal void UpdateRoot (XmlQualifiedName qname)
 186                 {
 187                         if (qname != null) {
 188                                 this._elementName = qname.Name;
 189                                 this._namespace = qname.Namespace;
 190                         }
 191                 }
 192         }
 193
 194
 195         // Mapping info for XmlSerializable
 196         internal class XmlSerializableMapping : XmlTypeMapping
 197         {
 198                 XmlSchema _schema;
 199 #if NET_2_0 && !MOONLIGHT
 200                 XmlSchemaComplexType _schemaType;
 201                 XmlQualifiedName _schemaTypeName;
 202 #endif
 203
 204                 internal XmlSerializableMapping(XmlRootAttribute root, string elementName, string ns, TypeData typeData, string xmlType, string xmlTypeNamespace)
 205                         : base(elementName, ns, typeData, xmlType, xmlTypeNamespace)
 206                 {
 207 #if NET_2_0 && !MOONLIGHT
 208                         XmlSchemaProviderAttribute schemaProvider = (XmlSchemaProviderAttribute) Attribute.GetCustomAttribute (typeData.Type, typeof (XmlSchemaProviderAttribute));
 209
 210                         if (schemaProvider != null) {
 211                                 string method = schemaProvider.MethodName;
 212                                 MethodInfo mi = typeData.Type.GetMethod (method, BindingFlags.Static | BindingFlags.Public | BindingFlags.FlattenHierarchy);
 213                                 if (mi == null)
 214                                         throw new InvalidOperationException (String.Format ("Type '{0}' must implement public static method '{1}'", typeData.Type, method));
 215                                 if (!typeof (XmlQualifiedName).IsAssignableFrom (mi.ReturnType) &&
 216                                     // LAMESPEC: it is undocumented. (We don't have to tell users about it in the error message.)
 217                                     // Also do not add such a silly compatibility test to assert that it does not raise an error.
 218                                     !typeof (XmlSchemaComplexType).IsAssignableFrom (mi.ReturnType))
 219                                         throw new InvalidOperationException (String.Format ("Method '{0}' indicated by XmlSchemaProviderAttribute must have its return type as XmlQualifiedName", method));
 220                                 XmlSchemaSet xs = new XmlSchemaSet ();
 221                                 object retVal = mi.Invoke (null, new object [] { xs });
 222                                 _schemaTypeName = XmlQualifiedName.Empty;
 223                                 if (retVal == null)
 224                                         return;
 225
 226                                 if (retVal is XmlSchemaComplexType) {
 227                                         _schemaType = (XmlSchemaComplexType) retVal;
 228                                         if (!_schemaType.QualifiedName.IsEmpty)
 229                                                 _schemaTypeName = _schemaType.QualifiedName;
 230                                         else
 231                                                 _schemaTypeName = new XmlQualifiedName (xmlType, xmlTypeNamespace);
 232                                 }
 233                                 else if (retVal is XmlQualifiedName) {
 234                                         _schemaTypeName = (XmlQualifiedName)retVal;
 235                                 }
 236                                 else
 237                                         throw new InvalidOperationException (
 238                                                 String.Format ("Method {0}.{1}() specified by XmlSchemaProviderAttribute has invalid signature: return type must be compatible with System.Xml.XmlQualifiedName.", typeData.Type.Name, method));
 239
 240                                 // defaultNamespace at XmlReflectionImporter takes precedence for Namespace, but not for XsdTypeNamespace.
 241                                 UpdateRoot (new XmlQualifiedName (root != null ? root.ElementName : _schemaTypeName.Name, root != null ? root.Namespace : Namespace ?? _schemaTypeName.Namespace));
 242                                 XmlTypeNamespace = _schemaTypeName.Namespace;
 243                                 XmlType = _schemaTypeName.Name;
 244
 245                                 if (!_schemaTypeName.IsEmpty && xs.Count > 0) {
 246                                         XmlSchema [] schemas = new XmlSchema [xs.Count];
 247                                         xs.CopyTo (schemas, 0);
 248                                         _schema = schemas [0];
 249                                 }
 250
 251                                 return;
 252                         }
 253 #endif
 254 #if NET_2_0 && !MOONLIGHT
 255                         IXmlSerializable serializable = (IXmlSerializable)Activator.CreateInstance (typeData.Type, true);
 256                         try {
 257                                 _schema = serializable.GetSchema();
 258                         } catch (Exception) {
 259                                 // LAMESPEC: .NET has a bad exception catch and swallows it silently.
 260                         }
 261 #else
 262                         IXmlSerializable serializable = (IXmlSerializable)Activator.CreateInstance (typeData.Type);
 263                         _schema = serializable.GetSchema();
 264 #endif
 265 #if !MOONLIGHT
 266                         if (_schema != null)
 267                         {
 268                                 if (_schema.Id == null || _schema.Id.Length == 0)
 269                                         throw new InvalidOperationException("Schema Id is missing. The schema returned from " + typeData.Type.FullName + ".GetSchema() must have an Id.");
 270                         }
 271 #endif
 272                 }
 273
 274                 internal XmlSchema Schema
 275                 {
 276                         get { return _schema; }
 277                 }
 278
 279 #if NET_2_0 && !MOONLIGHT
 280                 internal XmlSchemaType SchemaType {
 281                         get { return _schemaType; }
 282                 }
 283
 284                 internal XmlQualifiedName SchemaTypeName {
 285                         get { return _schemaTypeName; }
 286                 }
 287 #endif
 288         }
 289
 290
 291         // Mapping info for classes and structs
 292
 293         internal class ClassMap: ObjectMap
 294         {
 295                 Hashtable _elements = new Hashtable ();
 296                 ArrayList _elementMembers;
 297                 Hashtable _attributeMembers;
 298                 XmlTypeMapMemberAttribute[] _attributeMembersArray;
 299                 XmlTypeMapElementInfo[] _elementsByIndex;
 300                 ArrayList _flatLists;
 301                 ArrayList _allMembers = new ArrayList ();
 302                 ArrayList _membersWithDefault;
 303                 ArrayList _listMembers;
 304                 XmlTypeMapMemberAnyElement _defaultAnyElement;
 305                 XmlTypeMapMemberAnyAttribute _defaultAnyAttribute;
 306                 XmlTypeMapMemberNamespaces _namespaceDeclarations;
 307                 XmlTypeMapMember _xmlTextCollector;
 308                 XmlTypeMapMember _returnMember;
 309                 bool _ignoreMemberNamespace;
 310                 bool _canBeSimpleType = true;
 311                 bool? _isOrderDependentMap;
 312
 313                 public void AddMember (XmlTypeMapMember member)
 314                 {
 315                         // If GlobalIndex has not been set, set it now
 316                         if (member.GlobalIndex == -1)
 317                                 member.GlobalIndex = _allMembers.Count;
 318
 319                         _allMembers.Add (member);
 320
 321                         if (!(member.DefaultValue is System.DBNull) && member.DefaultValue != null) {
 322                                 if (_membersWithDefault == null) _membersWithDefault = new ArrayList ();
 323                                 _membersWithDefault.Add (member);
 324                         }
 325
 326                         if (member.IsReturnValue)
 327                                 _returnMember = member;
 328
 329                         if (member is XmlTypeMapMemberAttribute)
 330                         {
 331                                 XmlTypeMapMemberAttribute atm = (XmlTypeMapMemberAttribute)member;
 332                                 if (_attributeMembers == null) _attributeMembers = new Hashtable();
 333                                 string key = BuildKey (atm.AttributeName, atm.Namespace, -1);
 334                                 if (_attributeMembers.ContainsKey (key))
 335                                         throw new InvalidOperationException ("The XML attribute named '" + atm.AttributeName + "' from namespace '" + atm.Namespace + "' is already present in the current scope. Use XML attributes to specify another XML name or namespace for the attribute.");
 336                                 member.Index = _attributeMembers.Count;
 337                                 _attributeMembers.Add (key, member);
 338                                 return;
 339                         }
 340                         else if (member is XmlTypeMapMemberFlatList)
 341                         {
 342                                 RegisterFlatList ((XmlTypeMapMemberFlatList)member);
 343                         }
 344                         else if (member is XmlTypeMapMemberAnyElement)
 345                         {
 346                                 XmlTypeMapMemberAnyElement mem = (XmlTypeMapMemberAnyElement) member;
 347                                 if (mem.IsDefaultAny) _defaultAnyElement = mem;
 348                                 if (mem.TypeData.IsListType) RegisterFlatList (mem);
 349                         }
 350                         else if (member is XmlTypeMapMemberAnyAttribute)
 351                         {
 352                                 _defaultAnyAttribute = (XmlTypeMapMemberAnyAttribute) member;
 353                                 return;
 354                         }
 355                         else if (member is XmlTypeMapMemberNamespaces)
 356                         {
 357                                 _namespaceDeclarations = (XmlTypeMapMemberNamespaces) member;
 358                                 return;
 359                         }
 360
 361                         if (member is XmlTypeMapMemberElement && ((XmlTypeMapMemberElement)member).IsXmlTextCollector)
 362                         {
 363                                 if (_xmlTextCollector != null) throw new InvalidOperationException ("XmlTextAttribute can only be applied once in a class");
 364                                 _xmlTextCollector = member;
 365                         }
 366
 367                         if (_elementMembers == null) {
 368                                 _elementMembers = new ArrayList();
 369                                 _elements = new Hashtable();
 370                         }
 371
 372                         member.Index = _elementMembers.Count;
 373                         _elementMembers.Add (member);
 374
 375                         ICollection elemsInfo = ((XmlTypeMapMemberElement)member).ElementInfo;
 376                         foreach (XmlTypeMapElementInfo elem in elemsInfo)
 377                         {
 378                                 string key = BuildKey (elem.ElementName, elem.Namespace, elem.ExplicitOrder);
 379                                 if (_elements.ContainsKey (key))
 380                                         throw new InvalidOperationException ("The XML element named '" + elem.ElementName + "' from namespace '" + elem.Namespace + "' is already present in the current scope. Use XML attributes to specify another XML name or namespace for the element.");
 381                                 _elements.Add (key, elem);
 382                         }
 383
 384                         if (member.TypeData.IsListType && member.TypeData.Type != null && !member.TypeData.Type.IsArray) {
 385                                 if (_listMembers == null) _listMembers = new ArrayList ();
 386                                 _listMembers.Add (member);
 387                         }
 388                 }
 389
 390                 void RegisterFlatList (XmlTypeMapMemberExpandable member)
 391                 {
 392                         if (_flatLists == null) _flatLists = new ArrayList ();
 393                         member.FlatArrayIndex = _flatLists.Count;
 394                         _flatLists.Add (member);
 395                 }
 396
 397                 public XmlTypeMapMemberAttribute GetAttribute (string name, string ns)
 398                 {
 399                         if (_attributeMembers == null) return null;
 400                         return (XmlTypeMapMemberAttribute)_attributeMembers [BuildKey (name,ns, -1)];
 401                 }
 402
 403                 public XmlTypeMapElementInfo GetElement (string name, string ns, int order)
 404                 {
 405                         if (_elements == null) return null;
 406                         return (XmlTypeMapElementInfo)_elements [BuildKey (name,ns, order)];
 407                 }
 408
 409                 public XmlTypeMapElementInfo GetElement (int index)
 410                 {
 411                         if (_elements == null) return null;
 412
 413                         if (_elementsByIndex == null)
 414                         {
 415                                 _elementsByIndex = new XmlTypeMapElementInfo [_elementMembers.Count];
 416                                 foreach (XmlTypeMapMemberElement mem in _elementMembers)
 417                                 {
 418                                         if (mem.ElementInfo.Count != 1)
 419                                                 throw new InvalidOperationException ("Read by order only possible for encoded/bare format");
 420
 421                                         _elementsByIndex [mem.Index] = (XmlTypeMapElementInfo) mem.ElementInfo [0];
 422                                 }
 423                         }
 424                         if (index >= _elementMembers.Count)
 425                                 return null;
 426                         return _elementsByIndex [index];
 427                 }
 428
 429                 private string BuildKey (string name, string ns, int explicitOrder)
 430                 {
 431                         if (_ignoreMemberNamespace) return name;
 432                         else return name + " / " + ns + (explicitOrder < 0 ? "" : "/" + explicitOrder);
 433                 }
 434
 435                 public ICollection AllElementInfos
 436                 {
 437                         get { return _elements.Values; }
 438                 }
 439
 440
 441                 public bool IgnoreMemberNamespace
 442                 {
 443                         get { return _ignoreMemberNamespace; }
 444                         set { _ignoreMemberNamespace = value; }
 445                 }
 446
 447                 public bool IsOrderDependentMap {
 448                         get {
 449                                 if (_isOrderDependentMap == null) {
 450                                         _isOrderDependentMap = false;
 451                                         foreach (XmlTypeMapElementInfo ei in _elements.Values)
 452                                                 if (ei.ExplicitOrder >= 0) {
 453                                                         _isOrderDependentMap = true;
 454                                                         break;
 455                                                 }
 456                                 }
 457                                 return (bool) _isOrderDependentMap;
 458                         }
 459                 }
 460
 461                 public XmlTypeMapMember FindMember (string name)
 462                 {
 463                         for (int n=0; n<_allMembers.Count; n++)
 464                                 if (((XmlTypeMapMember)_allMembers[n]).Name == name) return (XmlTypeMapMember)_allMembers[n];
 465                         return null;
 466                 }
 467
 468                 public XmlTypeMapMemberAnyElement DefaultAnyElementMember
 469                 {
 470                         get { return _defaultAnyElement; }
 471                 }
 472
 473                 public XmlTypeMapMemberAnyAttribute DefaultAnyAttributeMember
 474                 {
 475                         get { return _defaultAnyAttribute; }
 476                 }
 477
 478                 public XmlTypeMapMemberNamespaces NamespaceDeclarations
 479                 {
 480                         get { return _namespaceDeclarations; }
 481                 }
 482
 483                 public ICollection AttributeMembers
 484                 {
 485                         get
 486                         {
 487                                 if (_attributeMembers == null) return null;
 488                                 if (_attributeMembersArray != null) return _attributeMembersArray;
 489
 490                                 _attributeMembersArray = new XmlTypeMapMemberAttribute[_attributeMembers.Count];
 491                                 foreach (XmlTypeMapMemberAttribute mem in _attributeMembers.Values)
 492                                         _attributeMembersArray [mem.Index] = mem;
 493                                 return _attributeMembersArray;
 494                         }
 495                 }
 496
 497                 public ICollection ElementMembers
 498                 {
 499                         get { return _elementMembers; }
 500                 }
 501
 502                 public ArrayList AllMembers
 503                 {
 504                         get { return _allMembers; }
 505                 }
 506
 507                 public ArrayList FlatLists
 508                 {
 509                         get { return _flatLists; }
 510                 }
 511
 512                 public ArrayList MembersWithDefault
 513                 {
 514                         get { return _membersWithDefault; }
 515                 }
 516
 517                 public ArrayList ListMembers
 518                 {
 519                         get { return _listMembers; }
 520                 }
 521
 522                 public XmlTypeMapMember XmlTextCollector
 523                 {
 524                         get { return _xmlTextCollector; }
 525                 }
 526
 527                 public XmlTypeMapMember ReturnMember
 528                 {
 529                         get { return _returnMember; }
 530                 }
 531
 532                 public XmlQualifiedName SimpleContentBaseType
 533                 {
 534                         get
 535                         {
 536                                 if (!_canBeSimpleType || _elementMembers == null || _elementMembers.Count != 1) return null;
 537                                 XmlTypeMapMemberElement member = (XmlTypeMapMemberElement) _elementMembers[0];
 538                                 if (member.ElementInfo.Count != 1) return null;
 539                                 XmlTypeMapElementInfo einfo = (XmlTypeMapElementInfo) member.ElementInfo[0];
 540                                 if (!einfo.IsTextElement) return null;
 541                                 if (member.TypeData.SchemaType == SchemaTypes.Primitive || member.TypeData.SchemaType == SchemaTypes.Enum)
 542                                         return new XmlQualifiedName (einfo.TypeData.XmlType, einfo.DataTypeNamespace);
 543                                 return null;
 544                         }
 545                 }
 546
 547                 public void SetCanBeSimpleType (bool can)
 548                 {
 549                         _canBeSimpleType = can;
 550                 }
 551
 552                 public bool HasSimpleContent
 553                 {
 554                         get
 555                         {
 556                                 return SimpleContentBaseType != null;
 557                         }
 558                 }
 559
 560         }
 561
 562         // Mapping info for arrays and lists
 563
 564         internal class ListMap: ObjectMap
 565         {
 566                 XmlTypeMapElementInfoList _itemInfo;
 567                 bool _gotNestedMapping;
 568                 XmlTypeMapping _nestedArrayMapping;
 569                 string _choiceMember;
 570
 571                 public bool IsMultiArray
 572                 {
 573                         get
 574                         {
 575                                 return (NestedArrayMapping != null);
 576                         }
 577                 }
 578
 579                 public string ChoiceMember
 580                 {
 581                         get { return _choiceMember; }
 582                         set { _choiceMember = value; }
 583                 }
 584
 585                 public XmlTypeMapping NestedArrayMapping
 586                 {
 587                         get
 588                         {
 589                                 if (_gotNestedMapping) return _nestedArrayMapping;
 590                                 _gotNestedMapping = true;
 591
 592                                 _nestedArrayMapping = ((XmlTypeMapElementInfo)_itemInfo[0]).MappedType;
 593
 594                                 if (_nestedArrayMapping == null) return null;
 595
 596                                 if (_nestedArrayMapping.TypeData.SchemaType != SchemaTypes.Array) {
 597                                         _nestedArrayMapping = null; return null;
 598                                 }
 599
 600                                 foreach (XmlTypeMapElementInfo elem in _itemInfo)
 601                                         if (elem.MappedType != _nestedArrayMapping) {
 602                                                 _nestedArrayMapping = null;
 603                                                 return null;
 604                                         }
 605
 606                                 return _nestedArrayMapping;
 607                         }
 608                 }
 609
 610                 public XmlTypeMapElementInfoList ItemInfo
 611                 {
 612
 613                         get { return _itemInfo; }
 614                         set { _itemInfo = value; }
 615                 }
 616
 617                 public XmlTypeMapElementInfo FindElement (object ob, int index, object memberValue)
 618                 {
 619                         if (_itemInfo.Count == 1)
 620                                 return (XmlTypeMapElementInfo) _itemInfo[0];
 621                         else if (_choiceMember != null && index != -1)
 622                         {
 623                                 Array values = (Array) XmlTypeMapMember.GetValue (ob, _choiceMember);
 624                                 if (values == null || index >= values.Length)
 625                                         throw new InvalidOperationException ("Invalid or missing choice enum value in member '" + _choiceMember + "'.");
 626                                 object val = values.GetValue (index);
 627                                 foreach (XmlTypeMapElementInfo elem in _itemInfo)
 628                                         if (elem.ChoiceValue != null && elem.ChoiceValue.Equals (val))
 629                                                 return elem;
 630                         }
 631                         else
 632                         {
 633                                 if (memberValue == null) return null;
 634                                 Type type = memberValue.GetType();
 635                                 foreach (XmlTypeMapElementInfo elem in _itemInfo)
 636                                         if (elem.TypeData.Type == type) return elem;
 637                         }
 638                         return null;
 639                 }
 640
 641                 public XmlTypeMapElementInfo FindElement (string elementName, string ns)
 642                 {
 643                         foreach (XmlTypeMapElementInfo elem in _itemInfo)
 644                                 if (elem.ElementName == elementName && elem.Namespace == ns) return elem;
 645                         return null;
 646                 }
 647
 648                 public XmlTypeMapElementInfo FindTextElement ()
 649                 {
 650                         foreach (XmlTypeMapElementInfo elem in _itemInfo)
 651                                 if (elem.IsTextElement) return elem;
 652                         return null;
 653                 }
 654
 655                 public string GetSchemaArrayName ()
 656                 {
 657                         XmlTypeMapElementInfo einfo = (XmlTypeMapElementInfo) _itemInfo[0];
 658                         if (einfo.MappedType != null) return TypeTranslator.GetArrayName (einfo.MappedType.XmlType);
 659                         else return TypeTranslator.GetArrayName (einfo.TypeData.XmlType);
 660                 }
 661
 662                 public void GetArrayType (int itemCount, out string localName, out string ns)
 663                 {
 664                         string arrayDim;
 665                         if (itemCount != -1) arrayDim = "[" + itemCount + "]";
 666                         else arrayDim = "[]";
 667
 668                         XmlTypeMapElementInfo info = (XmlTypeMapElementInfo) _itemInfo[0];
 669                         if (info.TypeData.SchemaType == SchemaTypes.Array)
 670                         {
 671                                 string nm;
 672                                 ((ListMap)info.MappedType.ObjectMap).GetArrayType (-1, out nm, out ns);
 673                                 localName = nm + arrayDim;
 674                         }
 675                         else
 676                         {
 677                                 if (info.MappedType != null)
 678                                 {
 679                                         localName = info.MappedType.XmlType + arrayDim;
 680                                         ns = info.MappedType.Namespace;
 681                                 }
 682                                 else
 683                                 {
 684                                         localName = info.TypeData.XmlType + arrayDim;
 685                                         ns = info.DataTypeNamespace;
 686                                 }
 687                         }
 688                 }
 689
 690                 public override bool Equals (object other)
 691                 {
 692                         ListMap lmap = other as ListMap;
 693                         if (lmap == null) return false;
 694
 695                         if (_itemInfo.Count != lmap._itemInfo.Count) return false;
 696                         for (int n=0; n<_itemInfo.Count; n++)
 697                                 if (!_itemInfo[n].Equals (lmap._itemInfo[n])) return false;
 698                         return true;
 699                 }
 700
 701                 public override int GetHashCode ()
 702                 {
 703                         return base.GetHashCode ();
 704                 }
 705         }
 706
 707         internal class EnumMap: ObjectMap
 708         {
 709                 readonly EnumMapMember[] _members;
 710                 readonly bool _isFlags;
 711                 readonly string[] _enumNames = null;
 712                 readonly string[] _xmlNames = null;
 713                 readonly long[] _values = null;
 714
 715                 public class EnumMapMember
 716                 {
 717                         readonly string _xmlName;
 718                         readonly string _enumName;
 719                         readonly long _value;
 720                         string _documentation;
 721
 722                         public EnumMapMember (string xmlName, string enumName)
 723                                 : this (xmlName, enumName, 0)
 724                         {
 725                         }
 726
 727                         public EnumMapMember (string xmlName, string enumName, long value)
 728                         {
 729                                 _xmlName = xmlName;
 730                                 _enumName = enumName;
 731                                 _value = value;
 732                         }
 733
 734                         public string XmlName
 735                         {
 736                                 get { return _xmlName; }
 737                         }
 738
 739                         public string EnumName
 740                         {
 741                                 get { return _enumName; }
 742                         }
 743
 744                         public long Value
 745                         {
 746                                 get { return _value; }
 747                         }
 748
 749                         public string Documentation
 750                         {
 751                                 get { return _documentation; }
 752                                 set { _documentation = value; }
 753                         }
 754                 }
 755
 756                 public EnumMap (EnumMapMember[] members, bool isFlags)
 757                 {
 758                         _members = members;
 759                         _isFlags = isFlags;
 760
 761                         _enumNames = new string[_members.Length];
 762                         _xmlNames = new string[_members.Length];
 763                         _values = new long[_members.Length];
 764
 765                         for (int i = 0; i < _members.Length; i++) {
 766                                 EnumMapMember mem = _members[i];
 767                                 _enumNames[i] = mem.EnumName;
 768                                 _xmlNames[i] = mem.XmlName;
 769                                 _values[i] = mem.Value;
 770                         }
 771                 }
 772
 773                 public bool IsFlags
 774                 {
 775                         get { return _isFlags; }
 776                 }
 777
 778                 public EnumMapMember[] Members
 779                 {
 780                         get { return _members; }
 781                 }
 782
 783                 public string[] EnumNames
 784                 {
 785                         get {
 786                                 return _enumNames;
 787                         }
 788                 }
 789
 790                 public string[] XmlNames
 791                 {
 792                         get {
 793                                 return _xmlNames;
 794                         }
 795                 }
 796
 797                 public long[] Values
 798                 {
 799                         get {
 800                                 return _values;
 801                         }
 802                 }
 803
 804                 public string GetXmlName (string typeName, object enumValue)
 805                 {
 806                         if (enumValue is string) {
 807                                 throw new InvalidCastException ();
 808                         }
 809
 810                         long value = 0;
 811
 812                         try {
 813                                 value = ((IConvertible) enumValue).ToInt64 (CultureInfo.CurrentCulture);
 814                         } catch (FormatException) {
 815                                 throw new InvalidCastException ();
 816                         }
 817
 818                         for (int i = 0; i < Values.Length; i++) {
 819                                 if (Values[i] == value)
 820                                         return XmlNames[i];
 821                         }
 822
 823                         if (IsFlags && value == 0)
 824                                 return string.Empty;
 825
 826                         string xmlName = string.Empty;
 827                         if (IsFlags) {
 828 #if NET_2_0
 829                                 xmlName = XmlCustomFormatter.FromEnum (value, XmlNames, Values, typeName);
 830 #else
 831                                 xmlName = XmlCustomFormatter.FromEnum (value, XmlNames, Values);
 832 #endif
 833                         }
 834
 835                         if (xmlName.Length == 0) {
 836 #if NET_2_0
 837                                 throw new InvalidOperationException (string.Format(CultureInfo.CurrentCulture,
 838                                         "'{0}' is not a valid value for {1}.", value, typeName));
 839 #else
 840                                 return value.ToString (CultureInfo.InvariantCulture);
 841 #endif
 842                         }
 843                         return xmlName;
 844                 }
 845
 846                 public string GetEnumName (string typeName, string xmlName)
 847                 {
 848                         if (_isFlags) {
 849                                 xmlName = xmlName.Trim ();
 850                                 if (xmlName.Length == 0)
 851                                         return "0";
 852
 853                                 System.Text.StringBuilder sb = new System.Text.StringBuilder ();
 854                                 string[] enumNames = xmlName.Split (null);
 855                                 foreach (string name in enumNames) {
 856                                         if (name == string.Empty) continue;
 857                                         string foundEnumValue = null;
 858                                         for (int i = 0; i < XmlNames.Length; i++)
 859                                                 if (XmlNames[i] == name) {
 860                                                         foundEnumValue = EnumNames[i];
 861                                                         break;
 862                                                 }
 863
 864                                         if (foundEnumValue != null) {
 865                                                 if (sb.Length > 0)
 866                                                         sb.Append (',');
 867                                                 sb.Append (foundEnumValue);
 868                                         } else {
 869                                                 throw new InvalidOperationException (string.Format (CultureInfo.CurrentCulture,
 870                                                         "'{0}' is not a valid value for {1}.", name, typeName));
 871                                         }
 872                                 }
 873                                 return sb.ToString ();
 874                         }
 875
 876                         foreach (EnumMapMember mem in _members)
 877                                 if (mem.XmlName == xmlName) return mem.EnumName;
 878
 879                         return null;
 880                 }
 881         }
 882 }