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