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