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

   1 //
   2 // System.Xml.Serialization.XmlReflectionImporter
   3 //
   4 // Author:
   5 //   Tim Coleman (tim@timcoleman.com)
   6 //   Erik LeBel (eriklebel@yahoo.ca)
   7 //   Lluis Sanchez Gual (lluis@ximian.com)
   8 //
   9 // Copyright (C) Tim Coleman, 2002
  10 // (C) 2003 Erik LeBel
  11 //
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System.Collections;
  34 using System.Collections.Generic;
  35 using System.Globalization;
  36 using System.Reflection;
  37 using System.Xml.Schema;
  38
  39 namespace System.Xml.Serialization {
  40         public class XmlReflectionImporter {
  41
  42                 string initialDefaultNamespace;
  43                 XmlAttributeOverrides attributeOverrides;
  44                 ArrayList includedTypes;
  45                 ReflectionHelper helper = new ReflectionHelper();
  46                 int arrayChoiceCount = 1;
  47                 ArrayList relatedMaps = new ArrayList ();
  48                 bool allowPrivateTypes = false;
  49
  50                 static readonly string errSimple = "Cannot serialize object of type '{0}'. Base " +
  51                         "type '{1}' has simpleContent and can be only extended by adding XmlAttribute " +
  52                         "elements. Please consider changing XmlText member of the base class to string array";
  53
  54                 static readonly string errSimple2 = "Cannot serialize object of type '{0}'. " +
  55                         "Consider changing type of XmlText member '{1}' from '{2}' to string or string array";
  56
  57                 #region Constructors
  58
  59                 public XmlReflectionImporter ()
  60                         : this (null, null)
  61                 {
  62                 }
  63
  64                 public XmlReflectionImporter (string defaultNamespace)
  65                         : this (null, defaultNamespace)
  66                 {
  67                 }
  68
  69                 public XmlReflectionImporter (XmlAttributeOverrides attributeOverrides)
  70                         : this (attributeOverrides, null)
  71                 {
  72                 }
  73
  74                 public XmlReflectionImporter (XmlAttributeOverrides attributeOverrides, string defaultNamespace)
  75                 {
  76                         if (defaultNamespace == null)
  77                                 this.initialDefaultNamespace = String.Empty;
  78                         else
  79                                 this.initialDefaultNamespace = defaultNamespace;
  80
  81                         if (attributeOverrides == null)
  82                                 this.attributeOverrides = new XmlAttributeOverrides();
  83                         else
  84                                 this.attributeOverrides = attributeOverrides;
  85                 }
  86
  87 /*              void Reset ()
  88                 {
  89                         helper = new ReflectionHelper();
  90                         arrayChoiceCount = 1;
  91                 }
  92 */
  93
  94                 internal bool AllowPrivateTypes
  95                 {
  96                         get { return allowPrivateTypes; }
  97                         set { allowPrivateTypes = value; }
  98                 }
  99
 100                 #endregion // Constructors
 101
 102                 #region Methods
 103
 104                 public XmlMembersMapping ImportMembersMapping (string elementName,
 105                         string ns,
 106                         XmlReflectionMember [] members,
 107                         bool hasWrapperElement)
 108                 {
 109                         return ImportMembersMapping (elementName, ns, members, hasWrapperElement, true);
 110                 }
 111
 112 #if NET_2_0
 113                 [MonoTODO]
 114                 public
 115 #endif
 116                 XmlMembersMapping ImportMembersMapping (string elementName,
 117                         string ns,
 118                         XmlReflectionMember[] members,
 119                         bool hasWrapperElement,
 120                         bool rpc)
 121                 {
 122                         return ImportMembersMapping (elementName, ns, members, hasWrapperElement, rpc, true);
 123                 }
 124
 125 #if NET_2_0
 126                 [MonoTODO]
 127                 public
 128 #endif
 129                 XmlMembersMapping ImportMembersMapping (string elementName,
 130                         string ns,
 131                         XmlReflectionMember[] members,
 132                         bool hasWrapperElement,
 133                         bool rpc,
 134                         bool openModel)
 135                 {
 136                         return ImportMembersMapping (elementName, ns, members, hasWrapperElement, rpc, openModel, XmlMappingAccess.Read | XmlMappingAccess.Write);
 137                 }
 138
 139 #if NET_2_0
 140                 [MonoTODO] // FIXME: handle writeAccessors, validate, and mapping access
 141                 public
 142 #endif
 143                 XmlMembersMapping ImportMembersMapping (string elementName,
 144                         string ns,
 145                         XmlReflectionMember[] members,
 146                         bool hasWrapperElement,
 147                         bool rpc,
 148                         bool openModel,
 149                         XmlMappingAccess access)
 150                 {
 151 //                      Reset ();       Disabled. See ChangeLog
 152
 153                         ArrayList mapping = new ArrayList ();
 154                         for (int n=0; n<members.Length; n++)
 155                         {
 156                                 XmlTypeMapMember mapMem = CreateMapMember (null, members[n], ns);
 157                                 mapMem.GlobalIndex = n;
 158                                 mapMem.CheckOptionalValueType (members);
 159                                 mapping.Add (new XmlMemberMapping (members[n].MemberName, ns, mapMem, false));
 160                         }
 161                         elementName = XmlConvert.EncodeLocalName (elementName);
 162                         XmlMembersMapping mps = new XmlMembersMapping (elementName, ns, hasWrapperElement, false, (XmlMemberMapping[])mapping.ToArray (typeof(XmlMemberMapping)));
 163                         mps.RelatedMaps = relatedMaps;
 164                         mps.Format = SerializationFormat.Literal;
 165                         Type[] extraTypes = includedTypes != null ? (Type[])includedTypes.ToArray(typeof(Type)) : null;
 166 #if !NET_2_1
 167                         mps.Source = new MembersSerializationSource (elementName, hasWrapperElement, members, false, true, ns, extraTypes);
 168                         if (allowPrivateTypes) mps.Source.CanBeGenerated = false;
 169 #endif
 170                         return mps;
 171                 }
 172
 173                 public XmlTypeMapping ImportTypeMapping (Type type)
 174                 {
 175                         return ImportTypeMapping (type, null, null);
 176                 }
 177
 178                 public XmlTypeMapping ImportTypeMapping (Type type, string defaultNamespace)
 179                 {
 180                         return ImportTypeMapping (type, null, defaultNamespace);
 181                 }
 182
 183                 public XmlTypeMapping ImportTypeMapping (Type type, XmlRootAttribute root)
 184                 {
 185                         return ImportTypeMapping (type, root, null);
 186                 }
 187
 188                 public XmlTypeMapping ImportTypeMapping (Type type, XmlRootAttribute root, string defaultNamespace)
 189                 {
 190                         if (type == null)
 191                                 throw new ArgumentNullException ("type");
 192
 193                         if (type == typeof (void))
 194                                 throw new NotSupportedException ("The type " + type.FullName + " may not be serialized.");
 195
 196                         return ImportTypeMapping (TypeTranslator.GetTypeData (type), root,
 197                                 defaultNamespace);
 198                 }
 199
 200                 internal XmlTypeMapping ImportTypeMapping (TypeData typeData, string defaultNamespace)
 201                 {
 202                         return ImportTypeMapping (typeData, (XmlRootAttribute) null,
 203                                 defaultNamespace);
 204                 }
 205
 206                 private XmlTypeMapping ImportTypeMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 207                 {
 208                         if (typeData == null)
 209                                 throw new ArgumentNullException ("typeData");
 210
 211                         if (typeData.Type == null)
 212                                 throw new ArgumentException ("Specified TypeData instance does not have Type set.");
 213
 214                         if (defaultNamespace == null) defaultNamespace = initialDefaultNamespace;
 215                         if (defaultNamespace == null) defaultNamespace = string.Empty;
 216
 217                         try {
 218                                 XmlTypeMapping map;
 219
 220                                 switch (typeData.SchemaType) {
 221                                         case SchemaTypes.Class: map = ImportClassMapping (typeData, root, defaultNamespace); break;
 222                                         case SchemaTypes.Array: map = ImportListMapping (typeData, root, defaultNamespace, null, 0); break;
 223                                         case SchemaTypes.XmlNode: map = ImportXmlNodeMapping (typeData, root, defaultNamespace); break;
 224                                         case SchemaTypes.Primitive: map = ImportPrimitiveMapping (typeData, root, defaultNamespace); break;
 225                                         case SchemaTypes.Enum: map = ImportEnumMapping (typeData, root, defaultNamespace); break;
 226                                         case SchemaTypes.XmlSerializable: map = ImportXmlSerializableMapping (typeData, root, defaultNamespace); break;
 227                                         default: throw new NotSupportedException ("Type " + typeData.Type.FullName + " not supported for XML stialization");
 228                                 }
 229
 230 #if NET_2_0
 231                                 // bug #372780
 232                                 map.SetKey (typeData.Type.ToString ());
 233 #endif
 234                                 map.RelatedMaps = relatedMaps;
 235                                 map.Format = SerializationFormat.Literal;
 236                                 Type[] extraTypes = includedTypes != null ? (Type[]) includedTypes.ToArray (typeof (Type)) : null;
 237 #if !NET_2_1
 238                                 map.Source = new XmlTypeSerializationSource (typeData.Type, root, attributeOverrides, defaultNamespace, extraTypes);
 239                                 if (allowPrivateTypes) map.Source.CanBeGenerated = false;
 240 #endif
 241                                 return map;
 242                         } catch (InvalidOperationException ex) {
 243                                 throw new InvalidOperationException (string.Format (CultureInfo.InvariantCulture,
 244                                         "There was an error reflecting type '{0}'.", typeData.Type.FullName), ex);
 245                         }
 246                 }
 247
 248                 XmlTypeMapping CreateTypeMapping (TypeData typeData, XmlRootAttribute root, string defaultXmlType, string defaultNamespace)
 249                 {
 250                         string rootNamespace = defaultNamespace;
 251                         string typeNamespace = null;
 252                         string elementName;
 253                         bool includeInSchema = true;
 254                         XmlAttributes atts = null;
 255                         bool nullable = CanBeNull (typeData);
 256
 257                         if (defaultXmlType == null) defaultXmlType = typeData.XmlType;
 258
 259                         if (!typeData.IsListType)
 260                         {
 261                                 if (attributeOverrides != null)
 262                                         atts = attributeOverrides[typeData.Type];
 263
 264                                 if (atts != null && typeData.SchemaType == SchemaTypes.Primitive)
 265                                         throw new InvalidOperationException ("XmlRoot and XmlType attributes may not be specified for the type " + typeData.FullTypeName);
 266                         }
 267
 268                         if (atts == null)
 269                                 atts = new XmlAttributes (typeData.Type);
 270
 271                         if (atts.XmlRoot != null && root == null)
 272                                 root = atts.XmlRoot;
 273
 274                         if (atts.XmlType != null)
 275                         {
 276                                 if (atts.XmlType.Namespace != null)
 277                                         typeNamespace = atts.XmlType.Namespace;
 278
 279                                 if (atts.XmlType.TypeName != null && atts.XmlType.TypeName != string.Empty)
 280                                         defaultXmlType = XmlConvert.EncodeLocalName (atts.XmlType.TypeName);
 281
 282                                 includeInSchema = atts.XmlType.IncludeInSchema;
 283                         }
 284
 285                         elementName = defaultXmlType;
 286
 287                         if (root != null)
 288                         {
 289                                 if (root.ElementName.Length != 0)
 290                                         elementName = XmlConvert.EncodeLocalName(root.ElementName);
 291                                 if (root.Namespace != null)
 292                                         rootNamespace = root.Namespace;
 293                                 nullable = root.IsNullable;
 294                         }
 295
 296                         if (rootNamespace == null) rootNamespace = "";
 297                         if (typeNamespace == null) typeNamespace = rootNamespace;
 298
 299                         XmlTypeMapping map;
 300                         switch (typeData.SchemaType) {
 301                                 case SchemaTypes.XmlSerializable:
 302                                         map = new XmlSerializableMapping (root, elementName, rootNamespace, typeData, defaultXmlType, typeNamespace);
 303                                         break;
 304                                 case SchemaTypes.Primitive:
 305                                         if (!typeData.IsXsdType)
 306                                                 map = new XmlTypeMapping (elementName, rootNamespace,
 307                                                         typeData, defaultXmlType, XmlSerializer.WsdlTypesNamespace);
 308                                         else
 309                                                 map = new XmlTypeMapping (elementName, rootNamespace,
 310                                                         typeData, defaultXmlType, typeNamespace);
 311                                         break;
 312                                 default:
 313                                         map = new XmlTypeMapping (elementName, rootNamespace, typeData, defaultXmlType, typeNamespace);
 314                                         break;
 315                         }
 316
 317                         map.IncludeInSchema = includeInSchema;
 318                         map.IsNullable = nullable;
 319                         relatedMaps.Add (map);
 320
 321                         return map;
 322                 }
 323
 324                 XmlTypeMapping ImportClassMapping (Type type, XmlRootAttribute root, string defaultNamespace)
 325                 {
 326                         TypeData typeData = TypeTranslator.GetTypeData (type);
 327                         return ImportClassMapping (typeData, root, defaultNamespace);
 328                 }
 329
 330                 XmlTypeMapping ImportClassMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 331                 {
 332                         Type type = typeData.Type;
 333
 334                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 335                         if (map != null) return map;
 336
 337                         if (!allowPrivateTypes)
 338                                 ReflectionHelper.CheckSerializableType (type, false);
 339
 340                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 341                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 342                         helper.RegisterSchemaType (map, map.XmlType, map.XmlTypeNamespace);
 343
 344                         // Import members
 345
 346                         ClassMap classMap = new ClassMap ();
 347                         map.ObjectMap = classMap;
 348
 349                         var members = GetReflectionMembers (type);
 350                         bool? isOrderExplicit = null;
 351                         foreach (XmlReflectionMember rmember in members)
 352                         {
 353                                 int? order = rmember.XmlAttributes.Order;
 354                                 if (isOrderExplicit == null)
 355                                 {
 356                                         if (order != null)
 357                                                 isOrderExplicit = (int) order >= 0;
 358                                 }
 359                                 else if (order != null && isOrderExplicit != ((int) order >= 0))
 360                                         throw new InvalidOperationException ("Inconsistent XML sequence was detected. If there are XmlElement/XmlArray/XmlAnyElement attributes with explicit Order, then every other member must have an explicit order too.");
 361                         }
 362                         if (isOrderExplicit == true)
 363                                 members.Sort ((m1, m2) => (int) m1.XmlAttributes.SortableOrder - (int) m2.XmlAttributes.SortableOrder);
 364
 365                         foreach (XmlReflectionMember rmember in members)
 366                         {
 367                                 string ns = map.XmlTypeNamespace;
 368                                 if (rmember.XmlAttributes.XmlIgnore) continue;
 369                                 if (rmember.DeclaringType != null && rmember.DeclaringType != type) {
 370                                         XmlTypeMapping bmap = ImportClassMapping (rmember.DeclaringType, root, defaultNamespace);
 371                                         ns = bmap.XmlTypeNamespace;
 372                                 }
 373
 374                                 try {
 375                                         XmlTypeMapMember mem = CreateMapMember (type, rmember, ns);
 376                                         mem.CheckOptionalValueType (type);
 377                                         classMap.AddMember (mem);
 378                                 } catch (Exception ex) {
 379                                         throw new InvalidOperationException (string.Format (
 380                                                 CultureInfo.InvariantCulture, "There was an error" +
 381                                                 " reflecting field '{0}'.", rmember.MemberName), ex);
 382                                 }
 383                         }
 384
 385                         // Import extra classes
 386
 387                         if (type == typeof (object) && includedTypes != null)
 388                         {
 389                                 foreach (Type intype in includedTypes)
 390                                         map.DerivedTypes.Add (ImportTypeMapping (intype, defaultNamespace));
 391                         }
 392
 393                         // Register inheritance relations
 394
 395                         if (type.BaseType != null)
 396                         {
 397                                 XmlTypeMapping bmap = ImportClassMapping (type.BaseType, root, defaultNamespace);
 398                                 ClassMap cbmap = bmap.ObjectMap as ClassMap;
 399
 400                                 if (type.BaseType != typeof (object)) {
 401                                         map.BaseMap = bmap;
 402                                         if (!cbmap.HasSimpleContent)
 403                                                 classMap.SetCanBeSimpleType (false);
 404                                 }
 405
 406                                 // At this point, derived classes of this map must be already registered
 407
 408                                 RegisterDerivedMap (bmap, map);
 409
 410                                 if (cbmap.HasSimpleContent && classMap.ElementMembers != null && classMap.ElementMembers.Count != 1)
 411                                         throw new InvalidOperationException (String.Format (errSimple, map.TypeData.TypeName, map.BaseMap.TypeData.TypeName));
 412                         }
 413
 414                         ImportIncludedTypes (type, defaultNamespace);
 415
 416                         if (classMap.XmlTextCollector != null && !classMap.HasSimpleContent)
 417                         {
 418                                 XmlTypeMapMember mem = classMap.XmlTextCollector;
 419                                 if (mem.TypeData.Type != typeof(string) &&
 420                                    mem.TypeData.Type != typeof(string[]) &&
 421 #if !MOONLIGHT
 422                                    mem.TypeData.Type != typeof(XmlNode[]) &&
 423 #endif
 424                                    mem.TypeData.Type != typeof(object[]))
 425
 426                                         throw new InvalidOperationException (String.Format (errSimple2, map.TypeData.TypeName, mem.Name, mem.TypeData.TypeName));
 427                         }
 428
 429                         return map;
 430                 }
 431
 432                 void RegisterDerivedMap (XmlTypeMapping map, XmlTypeMapping derivedMap)
 433                 {
 434                         map.DerivedTypes.Add (derivedMap);
 435                         map.DerivedTypes.AddRange (derivedMap.DerivedTypes);
 436
 437                         if (map.BaseMap != null)
 438                                 RegisterDerivedMap (map.BaseMap, derivedMap);
 439                         else {
 440                                 XmlTypeMapping obmap = ImportTypeMapping (typeof(object));
 441                                 if (obmap != map)
 442                                         obmap.DerivedTypes.Add (derivedMap);
 443                         }
 444                 }
 445
 446                 string GetTypeNamespace (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 447                 {
 448                         string typeNamespace = null;
 449
 450                         XmlAttributes atts = null;
 451                         if (!typeData.IsListType)
 452                         {
 453                                 if (attributeOverrides != null)
 454                                         atts = attributeOverrides[typeData.Type];
 455                         }
 456
 457                         if (atts == null)
 458                                 atts = new XmlAttributes (typeData.Type);
 459
 460                         if (atts.XmlType != null)
 461                         {
 462                                 if (atts.XmlType.Namespace != null && atts.XmlType.Namespace.Length != 0 && typeData.SchemaType != SchemaTypes.Enum)
 463                                         typeNamespace = atts.XmlType.Namespace;
 464                         }
 465
 466                         if (typeNamespace != null && typeNamespace.Length != 0) return typeNamespace;
 467
 468                         if (atts.XmlRoot != null && root == null)
 469                                 root = atts.XmlRoot;
 470
 471                         if (root != null)
 472                         {
 473                                 if (root.Namespace != null && root.Namespace.Length != 0)
 474                                         return root.Namespace;
 475                         }
 476
 477                         if (defaultNamespace == null) return "";
 478                         else return defaultNamespace;
 479                 }
 480
 481                 XmlTypeMapping ImportListMapping (Type type, XmlRootAttribute root, string defaultNamespace, XmlAttributes atts, int nestingLevel)
 482                 {
 483                         TypeData typeData = TypeTranslator.GetTypeData (type);
 484                         return ImportListMapping (typeData, root, defaultNamespace, atts, nestingLevel);
 485                 }
 486
 487                 XmlTypeMapping ImportListMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace, XmlAttributes atts, int nestingLevel)
 488                 {
 489                         Type type = typeData.Type;
 490                         ListMap obmap = new ListMap ();
 491
 492                         if (!allowPrivateTypes)
 493                                 ReflectionHelper.CheckSerializableType (type, true);
 494
 495                         if (atts == null) atts = new XmlAttributes();
 496                         Type itemType = typeData.ListItemType;
 497
 498                         // warning: byte[][] should not be considered multiarray
 499                         bool isMultiArray = (type.IsArray && (TypeTranslator.GetTypeData(itemType).SchemaType == SchemaTypes.Array) && itemType.IsArray);
 500
 501                         XmlTypeMapElementInfoList list = new XmlTypeMapElementInfoList();
 502
 503                         foreach (XmlArrayItemAttribute att in atts.XmlArrayItems)
 504                         {
 505                                 if (att.Namespace != null && att.Form == XmlSchemaForm.Unqualified)
 506                                         throw new InvalidOperationException ("XmlArrayItemAttribute.Form must not be Unqualified when it has an explicit Namespace value.");
 507                                 if (att.NestingLevel != nestingLevel) continue;
 508                                 Type elemType = (att.Type != null) ? att.Type : itemType;
 509                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (null, TypeTranslator.GetTypeData(elemType, att.DataType));
 510                                 elem.Namespace = att.Namespace != null ? att.Namespace : defaultNamespace;
 511                                 if (elem.Namespace == null) elem.Namespace = "";
 512                                 elem.Form = att.Form;
 513                                 if (att.Form == XmlSchemaForm.Unqualified)
 514                                         elem.Namespace = string.Empty;
 515                                 elem.IsNullable = att.IsNullable && CanBeNull (elem.TypeData);
 516                                 elem.NestingLevel = att.NestingLevel;
 517
 518                                 if (isMultiArray) {
 519                                         elem.MappedType = ImportListMapping (elemType, null, elem.Namespace, atts, nestingLevel + 1);
 520                                 } else if (elem.TypeData.IsComplexType) {
 521                                         elem.MappedType = ImportTypeMapping (elemType, null, elem.Namespace);
 522                                 }
 523
 524                                 if (att.ElementName.Length != 0) {
 525                                         elem.ElementName = XmlConvert.EncodeLocalName (att.ElementName);
 526                                 } else if (elem.MappedType != null) {
 527                                         elem.ElementName = elem.MappedType.ElementName;
 528                                 } else {
 529                                         elem.ElementName = TypeTranslator.GetTypeData (elemType).XmlType;
 530                                 }
 531
 532                                 list.Add (elem);
 533                         }
 534
 535                         if (list.Count == 0)
 536                         {
 537                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (null, TypeTranslator.GetTypeData (itemType));
 538                                 if (isMultiArray)
 539                                         elem.MappedType = ImportListMapping (itemType, null, defaultNamespace, atts, nestingLevel + 1);
 540                                 else if (elem.TypeData.IsComplexType)
 541                                         elem.MappedType = ImportTypeMapping (itemType, null, defaultNamespace);
 542
 543                                 if (elem.MappedType != null) {
 544                                         elem.ElementName = elem.MappedType.XmlType;
 545                                 } else {
 546                                         elem.ElementName = TypeTranslator.GetTypeData (itemType).XmlType;
 547                                 }
 548
 549                                 elem.Namespace = (defaultNamespace != null) ? defaultNamespace : "";
 550                                 elem.IsNullable = CanBeNull (elem.TypeData);
 551                                 list.Add (elem);
 552                         }
 553
 554                         obmap.ItemInfo = list;
 555
 556                         // If there can be different element names (types) in the array, then its name cannot
 557                         // be "ArrayOfXXX" it must be something like ArrayOfChoiceNNN
 558
 559                         string baseName;
 560                         if (list.Count > 1) {
 561                                 baseName = "ArrayOfChoice" + (arrayChoiceCount++);
 562                         } else {
 563                                 XmlTypeMapElementInfo elem = ((XmlTypeMapElementInfo) list[0]);
 564                                 if (elem.MappedType != null) {
 565                                         baseName = TypeTranslator.GetArrayName (elem.MappedType.XmlType);
 566                                 } else {
 567                                         baseName = TypeTranslator.GetArrayName (elem.ElementName);
 568                                 }
 569                         }
 570
 571                         // Avoid name colisions
 572
 573                         int nameCount = 1;
 574                         string name = baseName;
 575
 576                         do {
 577                                 XmlTypeMapping foundMap = helper.GetRegisteredSchemaType (name, defaultNamespace);
 578                                 if (foundMap == null) nameCount = -1;
 579                                 else if (obmap.Equals (foundMap.ObjectMap) && typeData.Type == foundMap.TypeData.Type) return foundMap;
 580                                 else name = baseName + (nameCount++);
 581                         }
 582                         while (nameCount != -1);
 583
 584                         XmlTypeMapping map = CreateTypeMapping (typeData, root, name, defaultNamespace);
 585                         map.ObjectMap = obmap;
 586
 587                         // Register any of the including types as a derived class of object
 588                         XmlIncludeAttribute[] includes = (XmlIncludeAttribute[])type.GetCustomAttributes (typeof (XmlIncludeAttribute), false);
 589
 590                         XmlTypeMapping objectMapping = ImportTypeMapping (typeof(object));
 591                         for (int i = 0; i < includes.Length; i++)
 592                         {
 593                                 Type includedType = includes[i].Type;
 594                                 objectMapping.DerivedTypes.Add(ImportTypeMapping (includedType, null, defaultNamespace));
 595                         }
 596
 597                         // Register this map as a derived class of object
 598
 599                         helper.RegisterSchemaType (map, name, defaultNamespace);
 600                         ImportTypeMapping (typeof(object)).DerivedTypes.Add (map);
 601
 602                         return map;
 603                 }
 604
 605                 XmlTypeMapping ImportXmlNodeMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 606                 {
 607                         Type type = typeData.Type;
 608                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 609                         if (map != null) return map;
 610
 611                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 612                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 613
 614                         if (type.BaseType != null)
 615                         {
 616                                 XmlTypeMapping bmap = ImportTypeMapping (type.BaseType, root, defaultNamespace);
 617                                 if (type.BaseType != typeof (object))
 618                                         map.BaseMap = bmap;
 619
 620                                 RegisterDerivedMap (bmap, map);
 621                         }
 622
 623                         return map;
 624                 }
 625
 626                 XmlTypeMapping ImportPrimitiveMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 627                 {
 628                         Type type = typeData.Type;
 629                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 630                         if (map != null) return map;
 631                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 632                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 633                         return map;
 634                 }
 635 #if MOONLIGHT
 636                 // Enum.GetNames is not available in SL API
 637                 public static System.Collections.Generic.IEnumerable<string> GetEnumNames (Type type)
 638                 {
 639                         System.Collections.Generic.List<string> names = new System.Collections.Generic.List<string> ();
 640                         foreach (FieldInfo fi in type.GetFields (BindingFlags.Static | BindingFlags.Public))
 641                                 names.Add (fi.Name);
 642                         return names;
 643                 }
 644 #endif
 645                 XmlTypeMapping ImportEnumMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 646                 {
 647                         Type type = typeData.Type;
 648                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 649                         if (map != null) return map;
 650
 651                         if (!allowPrivateTypes)
 652                                 ReflectionHelper.CheckSerializableType (type, false);
 653
 654                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 655                         map.IsNullable = false;
 656                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 657
 658                         ArrayList members = new ArrayList();
 659 #if MOONLIGHT
 660                         foreach (string name in GetEnumNames (type)) {
 661 #else
 662                         string [] names = Enum.GetNames (type);
 663                         foreach (string name in names) {
 664 #endif
 665                                 FieldInfo field = type.GetField (name);
 666                                 string xmlName = null;
 667                                 if (field.IsDefined(typeof(XmlIgnoreAttribute), false))
 668                                         continue;
 669                                 object[] atts = field.GetCustomAttributes (typeof(XmlEnumAttribute), false);
 670                                 if (atts.Length > 0) xmlName = ((XmlEnumAttribute)atts[0]).Name;
 671                                 if (xmlName == null) xmlName = name;
 672                                 long value = ((IConvertible) field.GetValue (null)).ToInt64 (CultureInfo.InvariantCulture);
 673                                 members.Add (new EnumMap.EnumMapMember (xmlName, name, value));
 674                         }
 675
 676                         bool isFlags = type.IsDefined (typeof (FlagsAttribute), false);
 677                         map.ObjectMap = new EnumMap ((EnumMap.EnumMapMember[])members.ToArray (typeof(EnumMap.EnumMapMember)), isFlags);
 678                         ImportTypeMapping (typeof(object)).DerivedTypes.Add (map);
 679                         return map;
 680                 }
 681
 682                 XmlTypeMapping ImportXmlSerializableMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 683                 {
 684                         Type type = typeData.Type;
 685                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 686                         if (map != null) return map;
 687
 688                         if (!allowPrivateTypes)
 689                                 ReflectionHelper.CheckSerializableType (type, false);
 690
 691                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 692                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 693                         return map;
 694                 }
 695
 696                 void ImportIncludedTypes (Type type, string defaultNamespace)
 697                 {
 698                         XmlIncludeAttribute[] includes = (XmlIncludeAttribute[])type.GetCustomAttributes (typeof (XmlIncludeAttribute), false);
 699                         for (int n=0; n<includes.Length; n++)
 700                         {
 701                                 Type includedType = includes[n].Type;
 702                                 ImportTypeMapping (includedType, null, defaultNamespace);
 703                         }
 704                 }
 705
 706                 List<XmlReflectionMember> GetReflectionMembers (Type type)
 707                 {
 708                         // First we want to find the inheritance hierarchy in reverse order.
 709                         Type currentType = type;
 710                         ArrayList typeList = new ArrayList();
 711                         typeList.Add(currentType);
 712                         while (currentType != typeof(object))
 713                         {
 714                                 currentType = currentType.BaseType; // Read the base type.
 715                                 typeList.Insert(0, currentType); // Insert at 0 to reverse the order.
 716                         }
 717
 718                         // Read all Fields via reflection.
 719                         ArrayList fieldList = new ArrayList();
 720                         FieldInfo[] tfields = type.GetFields (BindingFlags.Instance | BindingFlags.Public);
 721 #if TARGET_JVM
 722                         // This statement ensures fields are ordered starting from the base type.
 723                         for (int ti=0; ti<typeList.Count; ti++) {
 724                                 for (int i=0; i<tfields.Length; i++) {
 725                                         FieldInfo field = tfields[i];
 726                                         if (field.DeclaringType == typeList[ti])
 727                                                 fieldList.Add (field);
 728                                 }
 729                         }
 730 #else
 731                         currentType = null;
 732                         int currentIndex = 0;
 733                         foreach (FieldInfo field in tfields)
 734                         {
 735                                 // This statement ensures fields are ordered starting from the base type.
 736                                 if (currentType != field.DeclaringType)
 737                                 {
 738                                         currentType = field.DeclaringType;
 739                                         currentIndex=0;
 740                                 }
 741                                 fieldList.Insert(currentIndex++, field);
 742                         }
 743 #endif
 744                         // Read all Properties via reflection.
 745                         ArrayList propList = new ArrayList();
 746                         PropertyInfo[] tprops = type.GetProperties (BindingFlags.Instance | BindingFlags.Public);
 747 #if TARGET_JVM
 748                         // This statement ensures properties are ordered starting from the base type.
 749                         for (int ti=0; ti<typeList.Count; ti++) {
 750                                 for (int i=0; i<tprops.Length; i++) {
 751                                         PropertyInfo prop = tprops[i];
 752                                         if (!prop.CanRead) continue;
 753                                         if (prop.GetIndexParameters().Length > 0) continue;
 754                                         if (prop.DeclaringType == typeList[ti])
 755                                                 propList.Add (prop);
 756                                 }
 757                         }
 758 #else
 759                         currentType = null;
 760                         currentIndex = 0;
 761                         foreach (PropertyInfo prop in tprops)
 762                         {
 763                                 // This statement ensures properties are ordered starting from the base type.
 764                                 if (currentType != prop.DeclaringType)
 765                                 {
 766                                         currentType = prop.DeclaringType;
 767                                         currentIndex = 0;
 768                                 }
 769                                 if (!prop.CanRead) continue;
 770                                 if (prop.GetIndexParameters().Length > 0) continue;
 771                                 propList.Insert(currentIndex++, prop);
 772                         }
 773 #endif
 774                         var members = new List<XmlReflectionMember>();
 775                         int fieldIndex=0;
 776                         int propIndex=0;
 777                         // We now step through the type hierarchy from the base (object) through
 778                         // to the supplied class, as each step outputting all Fields, and then
 779                         // all Properties.  This is the exact same ordering as .NET 1.0/1.1.
 780                         foreach (Type t in typeList)
 781                         {
 782                                 // Add any fields matching the current DeclaringType.
 783                                 while (fieldIndex < fieldList.Count)
 784                                 {
 785                                         FieldInfo field = (FieldInfo)fieldList[fieldIndex];
 786                                         if (field.DeclaringType==t)
 787                                         {
 788                                                 fieldIndex++;
 789                                                 XmlAttributes atts = attributeOverrides[type, field.Name];
 790                                                 if (atts == null) atts = new XmlAttributes (field);
 791                                                 if (atts.XmlIgnore) continue;
 792                                                 XmlReflectionMember member = new XmlReflectionMember(field.Name, field.FieldType, atts);
 793                                                 member.DeclaringType = field.DeclaringType;
 794                                                 members.Add(member);
 795                                         }
 796                                         else break;
 797                                 }
 798
 799                                 // Add any properties matching the current DeclaringType.
 800                                 while (propIndex < propList.Count)
 801                                 {
 802                                         PropertyInfo prop = (PropertyInfo)propList[propIndex];
 803                                         if (prop.DeclaringType==t)
 804                                         {
 805                                                 propIndex++;
 806                                                 XmlAttributes atts = attributeOverrides[type, prop.Name];
 807                                                 if (atts == null) atts = new XmlAttributes (prop);
 808                                                 if (atts.XmlIgnore) continue;
 809                                                 if (!prop.CanWrite) {
 810                                                         if (prop.PropertyType.IsGenericType && TypeData.GetGenericListItemType (prop.PropertyType) == null) continue; // check this before calling GetTypeData() which raises error for missing Add(). See bug #704813.
 811                                                         if (TypeTranslator.GetTypeData (prop.PropertyType).SchemaType != SchemaTypes.Array || prop.PropertyType.IsArray) continue;
 812                                                 }
 813                                                 XmlReflectionMember member = new XmlReflectionMember(prop.Name, prop.PropertyType, atts);
 814                                                 member.DeclaringType = prop.DeclaringType;
 815                                                 members.Add(member);
 816                                         }
 817                                         else break;
 818                                 }
 819                         }
 820
 821                         return members;
 822                 }
 823
 824                 private XmlTypeMapMember CreateMapMember (Type declaringType, XmlReflectionMember rmember, string defaultNamespace)
 825                 {
 826                         XmlTypeMapMember mapMember;
 827                         XmlAttributes atts = rmember.XmlAttributes;
 828                         TypeData typeData = TypeTranslator.GetTypeData (rmember.MemberType);
 829
 830                         if (atts.XmlArray != null) {
 831                                 if (atts.XmlArray.Namespace != null && atts.XmlArray.Form == XmlSchemaForm.Unqualified)
 832                                         throw new InvalidOperationException ("XmlArrayAttribute.Form must not be Unqualified when it has an explicit Namespace value.");
 833                                 if (typeData.SchemaType != SchemaTypes.Array &&
 834                                     !(typeData.SchemaType == SchemaTypes.Primitive && typeData.Type == typeof (byte [])))
 835                                         throw new InvalidOperationException ("XmlArrayAttribute can be applied to members of array or collection type.");
 836                         }
 837
 838 #if !MOONLIGHT
 839                         if (atts.XmlAnyAttribute != null)
 840                         {
 841                                 if ( (rmember.MemberType.FullName == "System.Xml.XmlAttribute[]") ||
 842                                          (rmember.MemberType.FullName == "System.Xml.XmlNode[]") )
 843                                 {
 844                                         mapMember = new XmlTypeMapMemberAnyAttribute();
 845                                 }
 846                                 else
 847                                         throw new InvalidOperationException ("XmlAnyAttributeAttribute can only be applied to members of type XmlAttribute[] or XmlNode[]");
 848                         }
 849                         else
 850 #endif
 851                         if (atts.XmlAnyElements != null && atts.XmlAnyElements.Count > 0)
 852                         {
 853                                 // no XmlNode type check is done here (seealso: bug #553032).
 854                                 XmlTypeMapMemberAnyElement member = new XmlTypeMapMemberAnyElement();
 855                                 member.ElementInfo = ImportAnyElementInfo (defaultNamespace, rmember, member, atts);
 856                                 mapMember = member;
 857                         }
 858                         else if (atts.Xmlns)
 859                         {
 860                                 XmlTypeMapMemberNamespaces mapNamespaces = new XmlTypeMapMemberNamespaces ();
 861                                 mapMember = mapNamespaces;
 862                         }
 863                         else if (atts.XmlAttribute != null)
 864                         {
 865                                 // An attribute
 866
 867                                 if (atts.XmlElements != null && atts.XmlElements.Count > 0)
 868                                         throw new Exception ("XmlAttributeAttribute and XmlElementAttribute cannot be applied to the same member");
 869
 870                                 XmlTypeMapMemberAttribute mapAttribute = new XmlTypeMapMemberAttribute ();
 871                                 if (atts.XmlAttribute.AttributeName.Length == 0)
 872                                         mapAttribute.AttributeName = rmember.MemberName;
 873                                 else
 874                                         mapAttribute.AttributeName = atts.XmlAttribute.AttributeName;
 875
 876                                 mapAttribute.AttributeName = XmlConvert.EncodeLocalName (mapAttribute.AttributeName);
 877
 878                                 if (typeData.IsComplexType)
 879                                         mapAttribute.MappedType = ImportTypeMapping (typeData.Type, null, defaultNamespace);
 880
 881                                 if (atts.XmlAttribute.Namespace != null && atts.XmlAttribute.Namespace != defaultNamespace)
 882                                 {
 883                                         if (atts.XmlAttribute.Form == XmlSchemaForm.Unqualified)
 884                                                 throw new InvalidOperationException ("The Form property may not be 'Unqualified' when an explicit Namespace property is present");
 885                                         mapAttribute.Form = XmlSchemaForm.Qualified;
 886                                         mapAttribute.Namespace = atts.XmlAttribute.Namespace;
 887                                 }
 888                                 else
 889                                 {
 890                                         mapAttribute.Form = atts.XmlAttribute.Form;
 891                                         if (atts.XmlAttribute.Form == XmlSchemaForm.Qualified)
 892                                                 mapAttribute.Namespace = defaultNamespace;
 893                                         else
 894                                                 mapAttribute.Namespace = "";
 895                                 }
 896
 897                                 typeData = TypeTranslator.GetTypeData(rmember.MemberType, atts.XmlAttribute.DataType);
 898                                 mapMember = mapAttribute;
 899                         }
 900                         else if (typeData.SchemaType == SchemaTypes.Array)
 901                         {
 902                                 // If the member has a single XmlElementAttribute and the type is the type of the member,
 903                                 // then it is not a flat list
 904
 905                                 if (atts.XmlElements.Count > 1 ||
 906                                    (atts.XmlElements.Count == 1 && atts.XmlElements[0].Type != typeData.Type) ||
 907                                    (atts.XmlText != null))
 908                                 {
 909                                         // A flat list
 910
 911                                         // check that it does not have XmlArrayAttribute
 912                                         if (atts.XmlArray != null)
 913                                                 throw new InvalidOperationException ("XmlArrayAttribute cannot be used with members which also attributed with XmlElementAttribute or XmlTextAttribute.");
 914
 915                                         XmlTypeMapMemberFlatList member = new XmlTypeMapMemberFlatList ();
 916                                         member.ListMap = new ListMap ();
 917                                         member.ListMap.ItemInfo = ImportElementInfo (declaringType, XmlConvert.EncodeLocalName (rmember.MemberName), defaultNamespace, typeData.ListItemType, member, atts);
 918                                         member.ElementInfo = member.ListMap.ItemInfo;
 919                                         member.ListMap.ChoiceMember = member.ChoiceMember;
 920                                         mapMember = member;
 921                                 }
 922                                 else
 923                                 {
 924                                         // A list
 925
 926                                         XmlTypeMapMemberList member = new XmlTypeMapMemberList ();
 927
 928                                         // Creates an ElementInfo that identifies the array instance.
 929                                         member.ElementInfo = new XmlTypeMapElementInfoList();
 930                                         XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, typeData);
 931                                         elem.ElementName = XmlConvert.EncodeLocalName((atts.XmlArray != null && atts.XmlArray.ElementName.Length != 0) ? atts.XmlArray.ElementName : rmember.MemberName);
 932                                         // note that it could be changed below (when Form is Unqualified)
 933                                         elem.Namespace = (atts.XmlArray != null && atts.XmlArray.Namespace != null) ? atts.XmlArray.Namespace : defaultNamespace;
 934                                         elem.MappedType = ImportListMapping (rmember.MemberType, null, elem.Namespace, atts, 0);
 935                                         elem.IsNullable = (atts.XmlArray != null) ? atts.XmlArray.IsNullable : false;
 936                                         elem.Form = (atts.XmlArray != null) ? atts.XmlArray.Form : XmlSchemaForm.Qualified;
 937                                         elem.ExplicitOrder = (atts.XmlArray != null) ? atts.XmlArray.Order : -1;
 938                                         // This is a bit tricky, but is done
 939                                         // after filling descendant members, so
 940                                         // that array items could be serialized
 941                                         // with proper namespace.
 942                                         if (atts.XmlArray != null && atts.XmlArray.Form == XmlSchemaForm.Unqualified)
 943                                                 elem.Namespace = String.Empty;
 944
 945                                         member.ElementInfo.Add (elem);
 946                                         mapMember = member;
 947                                 }
 948                         }
 949                         else
 950                         {
 951                                 // An element
 952
 953                                 XmlTypeMapMemberElement member = new XmlTypeMapMemberElement ();
 954                                 member.ElementInfo = ImportElementInfo (declaringType, XmlConvert.EncodeLocalName(rmember.MemberName), defaultNamespace, rmember.MemberType, member, atts);
 955                                 mapMember = member;
 956                         }
 957
 958                         mapMember.DefaultValue = GetDefaultValue (typeData, atts.XmlDefaultValue);
 959                         mapMember.TypeData = typeData;
 960                         mapMember.Name = rmember.MemberName;
 961                         mapMember.IsReturnValue = rmember.IsReturnValue;
 962                         return mapMember;
 963                 }
 964
 965                 XmlTypeMapElementInfoList ImportElementInfo (Type cls, string defaultName, string defaultNamespace, Type defaultType, XmlTypeMapMemberElement member, XmlAttributes atts)
 966                 {
 967                         EnumMap choiceEnumMap = null;
 968                         Type choiceEnumType = null;
 969
 970                         XmlTypeMapElementInfoList list = new XmlTypeMapElementInfoList();
 971                         ImportTextElementInfo (list, defaultType, member, atts, defaultNamespace);
 972
 973                         if (atts.XmlChoiceIdentifier != null) {
 974                                 if (cls == null)
 975                                         throw new InvalidOperationException ("XmlChoiceIdentifierAttribute not supported in this context.");
 976
 977                                 member.ChoiceMember = atts.XmlChoiceIdentifier.MemberName;
 978                                 MemberInfo[] mems = cls.GetMember (member.ChoiceMember, BindingFlags.Instance|BindingFlags.Public);
 979
 980                                 if (mems.Length == 0)
 981                                         throw new InvalidOperationException ("Choice member '" + member.ChoiceMember + "' not found in class '" + cls);
 982
 983                                 if (mems[0] is PropertyInfo) {
 984                                         PropertyInfo pi = (PropertyInfo)mems[0];
 985                                         if (!pi.CanWrite || !pi.CanRead)
 986                                                 throw new InvalidOperationException ("Choice property '" + member.ChoiceMember + "' must be read/write.");
 987                                         choiceEnumType = pi.PropertyType;
 988                                 }
 989                                 else choiceEnumType = ((FieldInfo)mems[0]).FieldType;
 990
 991                                 member.ChoiceTypeData = TypeTranslator.GetTypeData (choiceEnumType);
 992
 993                                 if (choiceEnumType.IsArray)
 994                                         choiceEnumType = choiceEnumType.GetElementType ();
 995
 996                                 choiceEnumMap = ImportTypeMapping (choiceEnumType).ObjectMap as EnumMap;
 997                                 if (choiceEnumMap == null)
 998                                         throw new InvalidOperationException ("The member '" + mems[0].Name + "' is not a valid target for XmlChoiceIdentifierAttribute.");
 999                         }
1000
1001                         if (atts.XmlElements.Count == 0 && list.Count == 0)
1002                         {
1003                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(defaultType));
1004                                 elem.ElementName = defaultName;
1005                                 elem.Namespace = defaultNamespace;
1006                                 if (elem.TypeData.IsComplexType)
1007                                         elem.MappedType = ImportTypeMapping (defaultType, null, defaultNamespace);
1008                                 list.Add (elem);
1009                         }
1010
1011                         bool multiType = (atts.XmlElements.Count > 1);
1012                         foreach (XmlElementAttribute att in atts.XmlElements)
1013                         {
1014                                 Type elemType = (att.Type != null) ? att.Type : defaultType;
1015                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(elemType, att.DataType));
1016                                 elem.Form = att.Form;
1017                                 if (elem.Form != XmlSchemaForm.Unqualified)
1018                                         elem.Namespace = (att.Namespace != null) ? att.Namespace : defaultNamespace;
1019
1020                                 // elem may already be nullable, and IsNullable property in XmlElement is false by default
1021                                 if (att.IsNullable && !elem.IsNullable)
1022                                         elem.IsNullable = att.IsNullable;
1023
1024                                 elem.ExplicitOrder = att.Order;
1025
1026                                 if (elem.IsNullable && !elem.TypeData.IsNullable)
1027                                         throw new InvalidOperationException ("IsNullable may not be 'true' for value type " + elem.TypeData.FullTypeName + " in member '" + defaultName + "'");
1028
1029                                 if (elem.TypeData.IsComplexType)
1030                                 {
1031                                         if (att.DataType.Length != 0) throw new InvalidOperationException (
1032                                                 string.Format(CultureInfo.InvariantCulture, "'{0}' is "
1033                                                         + "an invalid value for '{1}.{2}' of type '{3}'. "
1034                                                         + "The property may only be specified for primitive types.",
1035                                                         att.DataType, cls.FullName, defaultName,
1036                                                         elem.TypeData.FullTypeName));
1037                                         elem.MappedType = ImportTypeMapping (elemType, null, elem.Namespace);
1038                                 }
1039
1040                                 if (att.ElementName.Length != 0)  {
1041                                         elem.ElementName = XmlConvert.EncodeLocalName(att.ElementName);
1042                                 } else if (multiType) {
1043                                         if (elem.MappedType != null) {
1044                                                 elem.ElementName = elem.MappedType.ElementName;
1045                                         } else {
1046                                                 elem.ElementName = TypeTranslator.GetTypeData (elemType).XmlType;
1047                                         }
1048                                 } else {
1049                                         elem.ElementName = defaultName;
1050                                 }
1051
1052                                 if (choiceEnumMap != null) {
1053                                         string cname = choiceEnumMap.GetEnumName (choiceEnumType.FullName, elem.ElementName);
1054                                         if (cname == null)
1055                                                 throw new InvalidOperationException (string.Format (
1056                                                         CultureInfo.InvariantCulture, "Type {0} is missing"
1057                                                         + " enumeration value '{1}' for element '{1} from"
1058                                                         + " namespace '{2}'.", choiceEnumType, elem.ElementName,
1059                                                         elem.Namespace));
1060                                         elem.ChoiceValue = Enum.Parse (choiceEnumType, cname, false);
1061                                 }
1062
1063                                 list.Add (elem);
1064                         }
1065                         return list;
1066                 }
1067
1068                 XmlTypeMapElementInfoList ImportAnyElementInfo (string defaultNamespace, XmlReflectionMember rmember, XmlTypeMapMemberElement member, XmlAttributes atts)
1069                 {
1070                         XmlTypeMapElementInfoList list = new XmlTypeMapElementInfoList();
1071
1072                         ImportTextElementInfo (list, rmember.MemberType, member, atts, defaultNamespace);
1073
1074 #if !MOONLIGHT // no practical anyElement support
1075                         foreach (XmlAnyElementAttribute att in atts.XmlAnyElements)
1076                         {
1077                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(typeof(XmlElement)));
1078                                 if (att.Name.Length != 0)
1079                                 {
1080                                         elem.ElementName = XmlConvert.EncodeLocalName(att.Name);
1081                                         elem.Namespace = (att.Namespace != null) ? att.Namespace : "";
1082                                 }
1083                                 else
1084                                 {
1085                                         elem.IsUnnamedAnyElement = true;
1086                                         elem.Namespace = defaultNamespace;
1087                                         if (att.Namespace != null)
1088                                                 throw new InvalidOperationException ("The element " + rmember.MemberName + " has been attributed with an XmlAnyElementAttribute and a namespace '" + att.Namespace + "', but no name. When a namespace is supplied, a name is also required. Supply a name or remove the namespace.");
1089                                 }
1090                                 elem.ExplicitOrder = att.Order;
1091                                 list.Add (elem);
1092                         }
1093 #endif
1094                         return list;
1095                 }
1096
1097                 void ImportTextElementInfo (XmlTypeMapElementInfoList list, Type defaultType, XmlTypeMapMemberElement member, XmlAttributes atts, string defaultNamespace)
1098                 {
1099                         if (atts.XmlText != null)
1100                         {
1101                                 member.IsXmlTextCollector = true;
1102                                 if (atts.XmlText.Type != null) {
1103                                         TypeData td = TypeTranslator.GetTypeData (defaultType);
1104                                         if ((td.SchemaType == SchemaTypes.Primitive || td.SchemaType == SchemaTypes.Enum) && atts.XmlText.Type != defaultType) {
1105                                                 throw new InvalidOperationException ("The type for XmlText may not be specified for primitive types.");
1106                                         }
1107                                         defaultType = atts.XmlText.Type;
1108                                 }
1109 #if !MOONLIGHT
1110                                 if (defaultType == typeof(XmlNode)) defaultType = typeof(XmlText);      // Nodes must be text nodes
1111 #endif
1112
1113                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(defaultType, atts.XmlText.DataType));
1114
1115                                 if (elem.TypeData.SchemaType != SchemaTypes.Primitive &&
1116                                         elem.TypeData.SchemaType != SchemaTypes.Enum &&
1117                                     elem.TypeData.SchemaType != SchemaTypes.XmlNode &&
1118                                     !(elem.TypeData.SchemaType == SchemaTypes.Array && elem.TypeData.ListItemTypeData.SchemaType == SchemaTypes.XmlNode)
1119                                  )
1120                                         throw new InvalidOperationException ("XmlText cannot be used to encode complex types");
1121
1122                                 if (elem.TypeData.IsComplexType)
1123                                         elem.MappedType = ImportTypeMapping (defaultType, null, defaultNamespace);
1124                                 elem.IsTextElement = true;
1125                                 elem.WrappedElement = false;
1126                                 list.Add (elem);
1127                         }
1128                 }
1129
1130                 bool CanBeNull (TypeData type)
1131                 {
1132 #if !NET_2_0    // idiotic compatibility
1133                         if (type.Type == typeof (XmlQualifiedName))
1134                                 return false;
1135 #endif
1136                         return !type.Type.IsValueType || type.IsNullable;
1137                 }
1138
1139                 public void IncludeType (Type type)
1140                 {
1141                         if (type == null)
1142                                 throw new ArgumentNullException ("type");
1143
1144                         if (includedTypes == null) includedTypes = new ArrayList ();
1145                         if (!includedTypes.Contains (type))
1146                                 includedTypes.Add (type);
1147
1148                         if (relatedMaps.Count > 0) {
1149                                 foreach (XmlTypeMapping map in (ArrayList) relatedMaps.Clone ()) {
1150                                         if (map.TypeData.Type == typeof(object))
1151                                                 map.DerivedTypes.Add (ImportTypeMapping (type));
1152                                 }
1153                         }
1154                 }
1155
1156                 public void IncludeTypes (ICustomAttributeProvider provider)
1157                 {
1158                         object[] ats = provider.GetCustomAttributes (typeof(XmlIncludeAttribute), true);
1159
1160                         foreach (XmlIncludeAttribute at in ats)
1161                                 IncludeType (at.Type);
1162                 }
1163
1164                 private object GetDefaultValue (TypeData typeData, object defaultValue)
1165                 {
1166                         if (defaultValue == DBNull.Value || typeData.SchemaType != SchemaTypes.Enum)
1167                                 return defaultValue;
1168
1169 #if MOONLIGHT
1170                         string namedValue = (defaultValue as Enum).ToString ("g");
1171                         string decimalValue = (defaultValue as Enum).ToString ("d");
1172 #else
1173                         // get string representation of enum value
1174                         string namedValue = Enum.Format (typeData.Type, defaultValue, "g");
1175                         // get decimal representation of enum value
1176                         string decimalValue = Enum.Format (typeData.Type, defaultValue, "d");
1177 #endif
1178                         // if decimal representation matches string representation, then
1179                         // the value is not defined in the enum type (as the "g" format
1180                         // will return the decimal equivalent of the value if the value
1181                         // is not equal to a combination of named enumerated constants
1182                         if (namedValue == decimalValue) {
1183                                 string msg = string.Format (CultureInfo.InvariantCulture,
1184                                         "Value '{0}' cannot be converted to {1}.", defaultValue,
1185                                         defaultValue.GetType ().FullName);
1186                                 throw new InvalidOperationException (msg);
1187                         }
1188
1189                         // XmlSerializer expects integral enum value
1190                         //return namedValue.Replace (',', ' ');
1191                         return defaultValue;
1192                 }
1193
1194                 #endregion // Methods
1195         }
1196 }