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                         bool hasTypeNamespace = !string.IsNullOrEmpty (defaultNamespace);
 251                         string rootNamespace = null;
 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                                         hasTypeNamespace = true;
 280                                 }
 281
 282                                 if (atts.XmlType.TypeName != null && atts.XmlType.TypeName != string.Empty)
 283                                         defaultXmlType = XmlConvert.EncodeLocalName (atts.XmlType.TypeName);
 284
 285                                 includeInSchema = atts.XmlType.IncludeInSchema;
 286                         }
 287
 288                         elementName = defaultXmlType;
 289
 290                         if (root != null)
 291                         {
 292                                 if (root.ElementName.Length != 0)
 293                                         elementName = XmlConvert.EncodeLocalName(root.ElementName);
 294                                 if (root.Namespace != null) {
 295                                         rootNamespace = root.Namespace;
 296                                         hasTypeNamespace = true;
 297                                 }
 298                                 nullable = root.IsNullable;
 299                         }
 300
 301                         rootNamespace = rootNamespace ?? defaultNamespace ?? string.Empty;
 302                         typeNamespace = typeNamespace ?? rootNamespace;
 303
 304                         XmlTypeMapping map;
 305                         switch (typeData.SchemaType) {
 306                                 case SchemaTypes.XmlSerializable:
 307                                         map = new XmlSerializableMapping (root, elementName, rootNamespace, typeData, defaultXmlType, typeNamespace);
 308                                         break;
 309                                 case SchemaTypes.Primitive:
 310                                         if (!typeData.IsXsdType)
 311                                                 map = new XmlTypeMapping (elementName, rootNamespace,
 312                                                         typeData, defaultXmlType, XmlSerializer.WsdlTypesNamespace);
 313                                         else
 314                                                 map = new XmlTypeMapping (elementName, rootNamespace,
 315                                                         typeData, defaultXmlType, typeNamespace);
 316                                         break;
 317                                 default:
 318                                         map = new XmlTypeMapping (elementName, rootNamespace, typeData, defaultXmlType, hasTypeNamespace ? typeNamespace : null);
 319                                         break;
 320                         }
 321
 322                         map.IncludeInSchema = includeInSchema;
 323                         map.IsNullable = nullable;
 324                         relatedMaps.Add (map);
 325
 326                         return map;
 327                 }
 328
 329                 XmlTypeMapping ImportClassMapping (Type type, XmlRootAttribute root, string defaultNamespace, bool isBaseType = false)
 330                 {
 331                         TypeData typeData = TypeTranslator.GetTypeData (type);
 332                         return ImportClassMapping (typeData, root, defaultNamespace, isBaseType);
 333                 }
 334
 335                 XmlTypeMapping ImportClassMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace, bool isBaseType = false)
 336                 {
 337                         Type type = typeData.Type;
 338
 339                         if (!allowPrivateTypes && !isBaseType)
 340                                 ReflectionHelper.CheckSerializableType (type, false);
 341
 342                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 343                         if (map != null) return map;
 344
 345                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 346                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 347                         helper.RegisterSchemaType (map, map.XmlType, map.XmlTypeNamespace);
 348
 349                         // Import members
 350
 351                         ClassMap classMap = new ClassMap ();
 352                         map.ObjectMap = classMap;
 353
 354                         var members = GetReflectionMembers (type);
 355                         bool? isOrderExplicit = null;
 356                         foreach (XmlReflectionMember rmember in members)
 357                         {
 358                                 int? order = rmember.XmlAttributes.Order;
 359                                 if (isOrderExplicit == null)
 360                                 {
 361                                         if (order != null)
 362                                                 isOrderExplicit = (int) order >= 0;
 363                                 }
 364                                 else if (order != null && isOrderExplicit != ((int) order >= 0))
 365                                         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.");
 366                         }
 367                         if (isOrderExplicit == true)
 368                                 members.Sort ((m1, m2) => (int) m1.XmlAttributes.SortableOrder - (int) m2.XmlAttributes.SortableOrder);
 369
 370                         foreach (XmlReflectionMember rmember in members)
 371                         {
 372                                 string ns = map.XmlTypeNamespace;
 373                                 if (rmember.XmlAttributes.XmlIgnore) continue;
 374                                 if (rmember.DeclaringType != null && rmember.DeclaringType != type) {
 375                                         XmlTypeMapping bmap = ImportClassMapping (rmember.DeclaringType, root, defaultNamespace, true);
 376                                         if (bmap.HasXmlTypeNamespace)
 377                                                 ns = bmap.XmlTypeNamespace;
 378                                 }
 379
 380                                 try {
 381                                         XmlTypeMapMember mem = CreateMapMember (type, rmember, ns);
 382                                         mem.CheckOptionalValueType (type);
 383                                         classMap.AddMember (mem);
 384                                 } catch (Exception ex) {
 385                                         throw new InvalidOperationException (string.Format (
 386                                                 CultureInfo.InvariantCulture, "There was an error" +
 387                                                 " reflecting field '{0}'.", rmember.MemberName), ex);
 388                                 }
 389                         }
 390
 391                         // Import extra classes
 392
 393                         if (type == typeof (object) && includedTypes != null)
 394                         {
 395                                 foreach (Type intype in includedTypes)
 396                                         map.DerivedTypes.Add (ImportTypeMapping (intype, defaultNamespace));
 397                         }
 398
 399                         // Register inheritance relations
 400
 401                         if (type.BaseType != null)
 402                         {
 403                                 XmlTypeMapping bmap = ImportClassMapping (type.BaseType, root, defaultNamespace, true);
 404                                 ClassMap cbmap = bmap.ObjectMap as ClassMap;
 405
 406                                 if (type.BaseType != typeof (object)) {
 407                                         map.BaseMap = bmap;
 408                                         if (!cbmap.HasSimpleContent)
 409                                                 classMap.SetCanBeSimpleType (false);
 410                                 }
 411
 412                                 // At this point, derived classes of this map must be already registered
 413
 414                                 RegisterDerivedMap (bmap, map);
 415
 416                                 if (cbmap.HasSimpleContent && classMap.ElementMembers != null && classMap.ElementMembers.Count != 1)
 417                                         throw new InvalidOperationException (String.Format (errSimple, map.TypeData.TypeName, map.BaseMap.TypeData.TypeName));
 418                         }
 419
 420                         ImportIncludedTypes (type, defaultNamespace);
 421
 422                         if (classMap.XmlTextCollector != null && !classMap.HasSimpleContent)
 423                         {
 424                                 XmlTypeMapMember mem = classMap.XmlTextCollector;
 425                                 if (mem.TypeData.Type != typeof(string) &&
 426                                    mem.TypeData.Type != typeof(string[]) &&
 427                                    mem.TypeData.Type != typeof(XmlNode[]) &&
 428                                    mem.TypeData.Type != typeof(object[]))
 429
 430                                         throw new InvalidOperationException (String.Format (errSimple2, map.TypeData.TypeName, mem.Name, mem.TypeData.TypeName));
 431                         }
 432
 433                         return map;
 434                 }
 435
 436                 void RegisterDerivedMap (XmlTypeMapping map, XmlTypeMapping derivedMap)
 437                 {
 438                         map.DerivedTypes.Add (derivedMap);
 439                         map.DerivedTypes.AddRange (derivedMap.DerivedTypes);
 440
 441                         if (map.BaseMap != null)
 442                                 RegisterDerivedMap (map.BaseMap, derivedMap);
 443                         else {
 444                                 XmlTypeMapping obmap = ImportTypeMapping (typeof(object));
 445                                 if (obmap != map)
 446                                         obmap.DerivedTypes.Add (derivedMap);
 447                         }
 448                 }
 449
 450                 string GetTypeNamespace (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 451                 {
 452                         string typeNamespace = null;
 453
 454                         XmlAttributes atts = null;
 455                         if (!typeData.IsListType)
 456                         {
 457                                 if (attributeOverrides != null)
 458                                         atts = attributeOverrides[typeData.Type];
 459                         }
 460
 461                         if (atts == null)
 462                                 atts = new XmlAttributes (typeData.Type);
 463
 464                         if (atts.XmlType != null)
 465                         {
 466                                 if (atts.XmlType.Namespace != null && atts.XmlType.Namespace.Length != 0 && typeData.SchemaType != SchemaTypes.Enum)
 467                                         typeNamespace = atts.XmlType.Namespace;
 468                         }
 469
 470                         if (typeNamespace != null && typeNamespace.Length != 0) return typeNamespace;
 471
 472                         if (atts.XmlRoot != null && root == null)
 473                                 root = atts.XmlRoot;
 474
 475                         if (root != null)
 476                         {
 477                                 if (root.Namespace != null && root.Namespace.Length != 0)
 478                                         return root.Namespace;
 479                         }
 480
 481                         if (defaultNamespace == null) return "";
 482                         else return defaultNamespace;
 483                 }
 484
 485                 XmlTypeMapping ImportListMapping (Type type, XmlRootAttribute root, string defaultNamespace, XmlAttributes atts, int nestingLevel)
 486                 {
 487                         TypeData typeData = TypeTranslator.GetTypeData (type);
 488                         return ImportListMapping (typeData, root, defaultNamespace, atts, nestingLevel);
 489                 }
 490
 491                 XmlTypeMapping ImportListMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace, XmlAttributes atts, int nestingLevel)
 492                 {
 493                         Type type = typeData.Type;
 494                         ListMap obmap = new ListMap ();
 495
 496                         if (!allowPrivateTypes)
 497                                 ReflectionHelper.CheckSerializableType (type, true);
 498
 499                         if (atts == null) atts = new XmlAttributes();
 500                         Type itemType = typeData.ListItemType;
 501
 502                         // warning: byte[][] should not be considered multiarray
 503                         bool isMultiArray = (type.IsArray && (TypeTranslator.GetTypeData(itemType).SchemaType == SchemaTypes.Array) && itemType.IsArray);
 504
 505                         XmlTypeMapElementInfoList list = new XmlTypeMapElementInfoList();
 506
 507                         foreach (XmlArrayItemAttribute att in atts.XmlArrayItems)
 508                         {
 509                                 if (att.Namespace != null && att.Form == XmlSchemaForm.Unqualified)
 510                                         throw new InvalidOperationException ("XmlArrayItemAttribute.Form must not be Unqualified when it has an explicit Namespace value.");
 511                                 if (att.NestingLevel != nestingLevel) continue;
 512                                 Type elemType = (att.Type != null) ? att.Type : itemType;
 513                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (null, TypeTranslator.GetTypeData(elemType, att.DataType));
 514                                 elem.Namespace = att.Namespace != null ? att.Namespace : defaultNamespace;
 515                                 if (elem.Namespace == null) elem.Namespace = "";
 516                                 elem.Form = att.Form;
 517                                 if (att.Form == XmlSchemaForm.Unqualified)
 518                                         elem.Namespace = string.Empty;
 519                                 elem.IsNullable = att.IsNullable && CanBeNull (elem.TypeData);
 520                                 elem.NestingLevel = att.NestingLevel;
 521
 522                                 if (isMultiArray) {
 523                                         elem.MappedType = ImportListMapping (elemType, null, elem.Namespace, atts, nestingLevel + 1);
 524                                 } else if (elem.TypeData.IsComplexType) {
 525                                         elem.MappedType = ImportTypeMapping (elemType, null, elem.Namespace);
 526                                 }
 527
 528                                 if (att.ElementName.Length != 0) {
 529                                         elem.ElementName = XmlConvert.EncodeLocalName (att.ElementName);
 530                                 } else if (elem.MappedType != null) {
 531                                         elem.ElementName = elem.MappedType.ElementName;
 532                                 } else {
 533                                         elem.ElementName = TypeTranslator.GetTypeData (elemType).XmlType;
 534                                 }
 535
 536                                 list.Add (elem);
 537                         }
 538
 539                         if (list.Count == 0)
 540                         {
 541                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (null, TypeTranslator.GetTypeData (itemType));
 542                                 if (isMultiArray)
 543                                         elem.MappedType = ImportListMapping (itemType, null, defaultNamespace, atts, nestingLevel + 1);
 544                                 else if (elem.TypeData.IsComplexType)
 545                                         elem.MappedType = ImportTypeMapping (itemType, null, defaultNamespace);
 546
 547                                 if (elem.MappedType != null) {
 548                                         elem.ElementName = elem.MappedType.XmlType;
 549                                 } else {
 550                                         elem.ElementName = TypeTranslator.GetTypeData (itemType).XmlType;
 551                                 }
 552
 553                                 elem.Namespace = (defaultNamespace != null) ? defaultNamespace : "";
 554                                 elem.IsNullable = CanBeNull (elem.TypeData);
 555                                 list.Add (elem);
 556                         }
 557
 558                         obmap.ItemInfo = list;
 559
 560                         // If there can be different element names (types) in the array, then its name cannot
 561                         // be "ArrayOfXXX" it must be something like ArrayOfChoiceNNN
 562
 563                         string baseName;
 564                         if (list.Count > 1) {
 565                                 baseName = "ArrayOfChoice" + (arrayChoiceCount++);
 566                         } else {
 567                                 XmlTypeMapElementInfo elem = ((XmlTypeMapElementInfo) list[0]);
 568                                 if (elem.MappedType != null) {
 569                                         baseName = TypeTranslator.GetArrayName (elem.MappedType.XmlType);
 570                                 } else {
 571                                         baseName = TypeTranslator.GetArrayName (elem.ElementName);
 572                                 }
 573                         }
 574
 575                         // Avoid name colisions
 576
 577                         int nameCount = 1;
 578                         string name = baseName;
 579
 580                         do {
 581                                 XmlTypeMapping foundMap = helper.GetRegisteredSchemaType (name, defaultNamespace);
 582                                 if (foundMap == null) nameCount = -1;
 583                                 else if (obmap.Equals (foundMap.ObjectMap) && typeData.Type == foundMap.TypeData.Type) return foundMap;
 584                                 else name = baseName + (nameCount++);
 585                         }
 586                         while (nameCount != -1);
 587
 588                         XmlTypeMapping map = CreateTypeMapping (typeData, root, name, defaultNamespace);
 589                         map.ObjectMap = obmap;
 590
 591                         // Register any of the including types as a derived class of object
 592                         XmlIncludeAttribute[] includes = (XmlIncludeAttribute[])type.GetCustomAttributes (typeof (XmlIncludeAttribute), false);
 593
 594                         XmlTypeMapping objectMapping = ImportTypeMapping (typeof(object));
 595                         for (int i = 0; i < includes.Length; i++)
 596                         {
 597                                 Type includedType = includes[i].Type;
 598                                 objectMapping.DerivedTypes.Add(ImportTypeMapping (includedType, null, defaultNamespace));
 599                         }
 600
 601                         // Register this map as a derived class of object
 602
 603                         helper.RegisterSchemaType (map, name, defaultNamespace);
 604                         ImportTypeMapping (typeof(object)).DerivedTypes.Add (map);
 605
 606                         return map;
 607                 }
 608
 609                 XmlTypeMapping ImportXmlNodeMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 610                 {
 611                         Type type = typeData.Type;
 612                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 613                         if (map != null) return map;
 614
 615                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 616                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 617
 618                         if (type.BaseType != null)
 619                         {
 620                                 XmlTypeMapping bmap = ImportTypeMapping (type.BaseType, root, defaultNamespace);
 621                                 if (type.BaseType != typeof (object))
 622                                         map.BaseMap = bmap;
 623
 624                                 RegisterDerivedMap (bmap, map);
 625                         }
 626
 627                         return map;
 628                 }
 629
 630                 XmlTypeMapping ImportPrimitiveMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 631                 {
 632                         Type type = typeData.Type;
 633                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 634                         if (map != null) return map;
 635                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 636                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 637                         return map;
 638                 }
 639
 640                 XmlTypeMapping ImportEnumMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 641                 {
 642                         Type type = typeData.Type;
 643                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 644                         if (map != null) return map;
 645
 646                         if (!allowPrivateTypes)
 647                                 ReflectionHelper.CheckSerializableType (type, false);
 648
 649                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 650                         map.IsNullable = false;
 651                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 652
 653                         ArrayList members = new ArrayList();
 654                         string [] names = Enum.GetNames (type);
 655                         foreach (string name in names) {
 656                                 FieldInfo field = type.GetField (name);
 657                                 string xmlName = null;
 658                                 if (field.IsDefined(typeof(XmlIgnoreAttribute), false))
 659                                         continue;
 660                                 object[] atts = field.GetCustomAttributes (typeof(XmlEnumAttribute), false);
 661                                 if (atts.Length > 0) xmlName = ((XmlEnumAttribute)atts[0]).Name;
 662                                 if (xmlName == null) xmlName = name;
 663                                 long value = ((IConvertible) field.GetValue (null)).ToInt64 (CultureInfo.InvariantCulture);
 664                                 members.Add (new EnumMap.EnumMapMember (xmlName, name, value));
 665                         }
 666
 667                         bool isFlags = type.IsDefined (typeof (FlagsAttribute), false);
 668                         map.ObjectMap = new EnumMap ((EnumMap.EnumMapMember[])members.ToArray (typeof(EnumMap.EnumMapMember)), isFlags);
 669                         ImportTypeMapping (typeof(object)).DerivedTypes.Add (map);
 670                         return map;
 671                 }
 672
 673                 XmlTypeMapping ImportXmlSerializableMapping (TypeData typeData, XmlRootAttribute root, string defaultNamespace)
 674                 {
 675                         Type type = typeData.Type;
 676                         XmlTypeMapping map = helper.GetRegisteredClrType (type, GetTypeNamespace (typeData, root, defaultNamespace));
 677                         if (map != null) return map;
 678
 679                         if (!allowPrivateTypes)
 680                                 ReflectionHelper.CheckSerializableType (type, false);
 681
 682                         map = CreateTypeMapping (typeData, root, null, defaultNamespace);
 683                         helper.RegisterClrType (map, type, map.XmlTypeNamespace);
 684                         return map;
 685                 }
 686
 687                 void ImportIncludedTypes (Type type, string defaultNamespace)
 688                 {
 689                         XmlIncludeAttribute[] includes = (XmlIncludeAttribute[])type.GetCustomAttributes (typeof (XmlIncludeAttribute), false);
 690                         for (int n=0; n<includes.Length; n++)
 691                         {
 692                                 Type includedType = includes[n].Type;
 693                                 ImportTypeMapping (includedType, null, defaultNamespace);
 694                         }
 695                 }
 696
 697                 List<XmlReflectionMember> GetReflectionMembers (Type type)
 698                 {
 699                         // First we want to find the inheritance hierarchy in reverse order.
 700                         Type currentType = type;
 701                         ArrayList typeList = new ArrayList();
 702                         typeList.Add(currentType);
 703                         while (currentType != typeof(object))
 704                         {
 705                                 currentType = currentType.BaseType; // Read the base type.
 706                                 typeList.Insert(0, currentType); // Insert at 0 to reverse the order.
 707                         }
 708
 709                         // Read all Fields via reflection.
 710                         ArrayList fieldList = new ArrayList();
 711                         FieldInfo[] tfields = type.GetFields (BindingFlags.Instance | BindingFlags.Public);
 712                         currentType = null;
 713                         int currentIndex = 0;
 714                         foreach (FieldInfo field in tfields)
 715                         {
 716                                 // This statement ensures fields are ordered starting from the base type.
 717                                 if (currentType != field.DeclaringType)
 718                                 {
 719                                         currentType = field.DeclaringType;
 720                                         currentIndex=0;
 721                                 }
 722                                 fieldList.Insert(currentIndex++, field);
 723                         }
 724                         // Read all Properties via reflection.
 725                         ArrayList propList = new ArrayList();
 726                         PropertyInfo[] tprops = type.GetProperties (BindingFlags.Instance | BindingFlags.Public);
 727                         currentType = null;
 728                         currentIndex = 0;
 729                         foreach (PropertyInfo prop in tprops)
 730                         {
 731                                 // This statement ensures properties are ordered starting from the base type.
 732                                 if (currentType != prop.DeclaringType)
 733                                 {
 734                                         currentType = prop.DeclaringType;
 735                                         currentIndex = 0;
 736                                 }
 737                                 if (!prop.CanRead) continue;
 738                                 if (prop.GetIndexParameters().Length > 0) continue;
 739                                 propList.Insert(currentIndex++, prop);
 740                         }
 741                         var members = new List<XmlReflectionMember>();
 742                         int fieldIndex=0;
 743                         int propIndex=0;
 744                         // We now step through the type hierarchy from the base (object) through
 745                         // to the supplied class, as each step outputting all Fields, and then
 746                         // all Properties.  This is the exact same ordering as .NET 1.0/1.1.
 747                         foreach (Type t in typeList)
 748                         {
 749                                 // Add any fields matching the current DeclaringType.
 750                                 while (fieldIndex < fieldList.Count)
 751                                 {
 752                                         FieldInfo field = (FieldInfo)fieldList[fieldIndex];
 753                                         if (field.DeclaringType==t)
 754                                         {
 755                                                 fieldIndex++;
 756                                                 XmlAttributes atts = attributeOverrides[type, field.Name];
 757                                                 if (atts == null) atts = new XmlAttributes (field);
 758                                                 if (atts.XmlIgnore) continue;
 759                                                 XmlReflectionMember member = new XmlReflectionMember(field.Name, field.FieldType, atts);
 760                                                 member.DeclaringType = field.DeclaringType;
 761                                                 members.Add(member);
 762                                         }
 763                                         else break;
 764                                 }
 765
 766                                 // Add any properties matching the current DeclaringType.
 767                                 while (propIndex < propList.Count)
 768                                 {
 769                                         PropertyInfo prop = (PropertyInfo)propList[propIndex];
 770                                         if (prop.DeclaringType==t)
 771                                         {
 772                                                 propIndex++;
 773                                                 XmlAttributes atts = attributeOverrides[type, prop.Name];
 774                                                 if (atts == null) atts = new XmlAttributes (prop);
 775                                                 if (atts.XmlIgnore) continue;
 776                                                 if (!prop.CanWrite) {
 777                                                         if (prop.PropertyType.IsInterface && typeof (IEnumerable).IsAssignableFrom (prop.PropertyType)) continue;
 778                                                         if (prop.PropertyType.IsGenericType && TypeData.GetGenericListItemType (prop.PropertyType) == null) continue; // check this before calling GetTypeData() which raises error for missing Add(). See bug #704813.
 779                                                         if (TypeTranslator.GetTypeData (prop.PropertyType).SchemaType != SchemaTypes.Array || prop.PropertyType.IsArray) continue;
 780                                                 }
 781                                                 XmlReflectionMember member = new XmlReflectionMember(prop.Name, prop.PropertyType, atts);
 782                                                 member.DeclaringType = prop.DeclaringType;
 783                                                 members.Add(member);
 784                                         }
 785                                         else break;
 786                                 }
 787                         }
 788
 789                         return members;
 790                 }
 791
 792                 private XmlTypeMapMember CreateMapMember (Type declaringType, XmlReflectionMember rmember, string defaultNamespace)
 793                 {
 794                         XmlTypeMapMember mapMember;
 795                         XmlAttributes atts = rmember.XmlAttributes;
 796                         TypeData typeData = TypeTranslator.GetTypeData (rmember.MemberType);
 797
 798                         if (atts.XmlArray != null) {
 799                                 if (atts.XmlArray.Namespace != null && atts.XmlArray.Form == XmlSchemaForm.Unqualified)
 800                                         throw new InvalidOperationException ("XmlArrayAttribute.Form must not be Unqualified when it has an explicit Namespace value.");
 801                                 if (typeData.SchemaType != SchemaTypes.Array &&
 802                                     !(typeData.SchemaType == SchemaTypes.Primitive && typeData.Type == typeof (byte [])))
 803                                         throw new InvalidOperationException ("XmlArrayAttribute can be applied to members of array or collection type.");
 804                         }
 805
 806                         if (atts.XmlAnyAttribute != null)
 807                         {
 808                                 if ( (rmember.MemberType.FullName == "System.Xml.XmlAttribute[]") ||
 809                                          (rmember.MemberType.FullName == "System.Xml.XmlNode[]") )
 810                                 {
 811                                         mapMember = new XmlTypeMapMemberAnyAttribute();
 812                                 }
 813                                 else
 814                                         throw new InvalidOperationException ("XmlAnyAttributeAttribute can only be applied to members of type XmlAttribute[] or XmlNode[]");
 815                         }
 816                         else
 817                         if (atts.XmlAnyElements != null && atts.XmlAnyElements.Count > 0)
 818                         {
 819                                 // no XmlNode type check is done here (seealso: bug #553032).
 820                                 XmlTypeMapMemberAnyElement member = new XmlTypeMapMemberAnyElement();
 821                                 member.ElementInfo = ImportAnyElementInfo (defaultNamespace, rmember, member, atts);
 822                                 mapMember = member;
 823                         }
 824                         else if (atts.Xmlns)
 825                         {
 826                                 XmlTypeMapMemberNamespaces mapNamespaces = new XmlTypeMapMemberNamespaces ();
 827                                 mapMember = mapNamespaces;
 828                         }
 829                         else if (atts.XmlAttribute != null)
 830                         {
 831                                 // An attribute
 832
 833                                 if (atts.XmlElements != null && atts.XmlElements.Count > 0)
 834                                         throw new Exception ("XmlAttributeAttribute and XmlElementAttribute cannot be applied to the same member");
 835
 836                                 XmlTypeMapMemberAttribute mapAttribute = new XmlTypeMapMemberAttribute ();
 837                                 if (atts.XmlAttribute.AttributeName.Length == 0)
 838                                         mapAttribute.AttributeName = rmember.MemberName;
 839                                 else
 840                                         mapAttribute.AttributeName = atts.XmlAttribute.AttributeName;
 841
 842                                 mapAttribute.AttributeName = XmlConvert.EncodeName (mapAttribute.AttributeName);
 843
 844                                 if (typeData.IsComplexType)
 845                                         mapAttribute.MappedType = ImportTypeMapping (typeData.Type, null, defaultNamespace);
 846
 847                                 if (atts.XmlAttribute.Namespace != null && atts.XmlAttribute.Namespace != defaultNamespace)
 848                                 {
 849                                         if (atts.XmlAttribute.Form == XmlSchemaForm.Unqualified)
 850                                                 throw new InvalidOperationException ("The Form property may not be 'Unqualified' when an explicit Namespace property is present");
 851                                         mapAttribute.Form = XmlSchemaForm.Qualified;
 852                                         mapAttribute.Namespace = atts.XmlAttribute.Namespace;
 853                                 }
 854                                 else
 855                                 {
 856                                         mapAttribute.Form = atts.XmlAttribute.Form;
 857                                         if (atts.XmlAttribute.Form == XmlSchemaForm.Qualified)
 858                                                 mapAttribute.Namespace = defaultNamespace;
 859                                         else
 860                                                 mapAttribute.Namespace = "";
 861                                 }
 862
 863                                 typeData = TypeTranslator.GetTypeData(rmember.MemberType, atts.XmlAttribute.DataType);
 864                                 mapMember = mapAttribute;
 865                         }
 866                         else if (typeData.SchemaType == SchemaTypes.Array)
 867                         {
 868                                 // If the member has a single XmlElementAttribute and the type is the type of the member,
 869                                 // then it is not a flat list
 870
 871                                 if (atts.XmlElements.Count > 1 ||
 872                                    (atts.XmlElements.Count == 1 && atts.XmlElements[0].Type != typeData.Type) ||
 873                                    (atts.XmlText != null))
 874                                 {
 875                                         // A flat list
 876
 877                                         // check that it does not have XmlArrayAttribute
 878                                         if (atts.XmlArray != null)
 879                                                 throw new InvalidOperationException ("XmlArrayAttribute cannot be used with members which also attributed with XmlElementAttribute or XmlTextAttribute.");
 880
 881                                         XmlTypeMapMemberFlatList member = new XmlTypeMapMemberFlatList ();
 882                                         member.ListMap = new ListMap ();
 883                                         member.ListMap.ItemInfo = ImportElementInfo (declaringType, XmlConvert.EncodeLocalName (rmember.MemberName), defaultNamespace, typeData.ListItemType, member, atts);
 884                                         member.ElementInfo = member.ListMap.ItemInfo;
 885                                         member.ListMap.ChoiceMember = member.ChoiceMember;
 886                                         mapMember = member;
 887                                 }
 888                                 else
 889                                 {
 890                                         // A list
 891
 892                                         XmlTypeMapMemberList member = new XmlTypeMapMemberList ();
 893
 894                                         // Creates an ElementInfo that identifies the array instance.
 895                                         member.ElementInfo = new XmlTypeMapElementInfoList();
 896                                         XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, typeData);
 897                                         elem.ElementName = XmlConvert.EncodeLocalName((atts.XmlArray != null && atts.XmlArray.ElementName.Length != 0) ? atts.XmlArray.ElementName : rmember.MemberName);
 898                                         // note that it could be changed below (when Form is Unqualified)
 899                                         elem.Namespace = (atts.XmlArray != null && atts.XmlArray.Namespace != null) ? atts.XmlArray.Namespace : defaultNamespace;
 900                                         elem.MappedType = ImportListMapping (rmember.MemberType, null, elem.Namespace, atts, 0);
 901                                         elem.IsNullable = (atts.XmlArray != null) ? atts.XmlArray.IsNullable : false;
 902                                         elem.Form = (atts.XmlArray != null) ? atts.XmlArray.Form : XmlSchemaForm.Qualified;
 903                                         elem.ExplicitOrder = (atts.XmlArray != null) ? atts.XmlArray.Order : -1;
 904                                         // This is a bit tricky, but is done
 905                                         // after filling descendant members, so
 906                                         // that array items could be serialized
 907                                         // with proper namespace.
 908                                         if (atts.XmlArray != null && atts.XmlArray.Form == XmlSchemaForm.Unqualified)
 909                                                 elem.Namespace = String.Empty;
 910
 911                                         member.ElementInfo.Add (elem);
 912                                         mapMember = member;
 913                                 }
 914                         }
 915                         else
 916                         {
 917                                 // An element
 918
 919                                 XmlTypeMapMemberElement member = new XmlTypeMapMemberElement ();
 920                                 member.ElementInfo = ImportElementInfo (declaringType, XmlConvert.EncodeLocalName(rmember.MemberName), defaultNamespace, rmember.MemberType, member, atts);
 921                                 mapMember = member;
 922                         }
 923
 924                         mapMember.DefaultValue = GetDefaultValue (typeData, atts.XmlDefaultValue);
 925                         mapMember.TypeData = typeData;
 926                         mapMember.Name = rmember.MemberName;
 927                         mapMember.IsReturnValue = rmember.IsReturnValue;
 928                         return mapMember;
 929                 }
 930
 931                 XmlTypeMapElementInfoList ImportElementInfo (Type cls, string defaultName, string defaultNamespace, Type defaultType, XmlTypeMapMemberElement member, XmlAttributes atts)
 932                 {
 933                         EnumMap choiceEnumMap = null;
 934                         Type choiceEnumType = null;
 935
 936                         XmlTypeMapElementInfoList list = new XmlTypeMapElementInfoList();
 937                         ImportTextElementInfo (list, defaultType, member, atts, defaultNamespace);
 938
 939                         if (atts.XmlChoiceIdentifier != null) {
 940                                 if (cls == null)
 941                                         throw new InvalidOperationException ("XmlChoiceIdentifierAttribute not supported in this context.");
 942
 943                                 member.ChoiceMember = atts.XmlChoiceIdentifier.MemberName;
 944                                 MemberInfo[] mems = cls.GetMember (member.ChoiceMember, BindingFlags.Instance|BindingFlags.Public);
 945
 946                                 if (mems.Length == 0)
 947                                         throw new InvalidOperationException ("Choice member '" + member.ChoiceMember + "' not found in class '" + cls);
 948
 949                                 if (mems[0] is PropertyInfo) {
 950                                         PropertyInfo pi = (PropertyInfo)mems[0];
 951                                         if (!pi.CanWrite || !pi.CanRead)
 952                                                 throw new InvalidOperationException ("Choice property '" + member.ChoiceMember + "' must be read/write.");
 953                                         choiceEnumType = pi.PropertyType;
 954                                 }
 955                                 else choiceEnumType = ((FieldInfo)mems[0]).FieldType;
 956
 957                                 member.ChoiceTypeData = TypeTranslator.GetTypeData (choiceEnumType);
 958
 959                                 if (choiceEnumType.IsArray)
 960                                         choiceEnumType = choiceEnumType.GetElementType ();
 961
 962                                 choiceEnumMap = ImportTypeMapping (choiceEnumType).ObjectMap as EnumMap;
 963                                 if (choiceEnumMap == null)
 964                                         throw new InvalidOperationException ("The member '" + mems[0].Name + "' is not a valid target for XmlChoiceIdentifierAttribute.");
 965                         }
 966
 967                         if (atts.XmlElements.Count == 0 && list.Count == 0)
 968                         {
 969                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(defaultType));
 970                                 elem.ElementName = defaultName;
 971                                 elem.Namespace = defaultNamespace;
 972                                 if (elem.TypeData.IsComplexType)
 973                                         elem.MappedType = ImportTypeMapping (defaultType, null, defaultNamespace);
 974                                 list.Add (elem);
 975                         }
 976
 977                         bool multiType = (atts.XmlElements.Count > 1);
 978                         foreach (XmlElementAttribute att in atts.XmlElements)
 979                         {
 980                                 Type elemType = (att.Type != null) ? att.Type : defaultType;
 981                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(elemType, att.DataType));
 982                                 elem.Form = att.Form;
 983                                 if (elem.Form != XmlSchemaForm.Unqualified)
 984                                         elem.Namespace = (att.Namespace != null) ? att.Namespace : defaultNamespace;
 985
 986                                 // elem may already be nullable, and IsNullable property in XmlElement is false by default
 987                                 if (att.IsNullable && !elem.IsNullable)
 988                                         elem.IsNullable = att.IsNullable;
 989
 990                                 elem.ExplicitOrder = att.Order;
 991
 992                                 if (elem.IsNullable && !elem.TypeData.IsNullable)
 993                                         throw new InvalidOperationException ("IsNullable may not be 'true' for value type " + elem.TypeData.FullTypeName + " in member '" + defaultName + "'");
 994
 995                                 if (elem.TypeData.IsComplexType)
 996                                 {
 997                                         if (att.DataType.Length != 0) throw new InvalidOperationException (
 998                                                 string.Format(CultureInfo.InvariantCulture, "'{0}' is "
 999                                                         + "an invalid value for '{1}.{2}' of type '{3}'. "
1000                                                         + "The property may only be specified for primitive types.",
1001                                                         att.DataType, cls.FullName, defaultName,
1002                                                         elem.TypeData.FullTypeName));
1003                                         elem.MappedType = ImportTypeMapping (elemType, null, elem.Namespace);
1004                                 }
1005
1006                                 if (att.ElementName.Length != 0)  {
1007                                         elem.ElementName = XmlConvert.EncodeLocalName(att.ElementName);
1008                                 } else if (multiType) {
1009                                         if (elem.MappedType != null) {
1010                                                 elem.ElementName = elem.MappedType.ElementName;
1011                                         } else {
1012                                                 elem.ElementName = TypeTranslator.GetTypeData (elemType).XmlType;
1013                                         }
1014                                 } else {
1015                                         elem.ElementName = defaultName;
1016                                 }
1017
1018                                 if (choiceEnumMap != null) {
1019                                         string cname = choiceEnumMap.GetEnumName (choiceEnumType.FullName, elem.ElementName);
1020                                         if (cname == null && elem.Namespace != null)
1021                                                 cname = choiceEnumMap.GetEnumName (choiceEnumType.FullName,
1022                                                         elem.Namespace.ToString () + ":" + elem.ElementName);
1023                                         if (cname == null)
1024                                                 throw new InvalidOperationException (string.Format (
1025                                                         CultureInfo.InvariantCulture, "Type {0} is missing"
1026                                                         + " enumeration value '{1}' for element '{1} from"
1027                                                         + " namespace '{2}'.", choiceEnumType, elem.ElementName,
1028                                                         elem.Namespace));
1029                                         elem.ChoiceValue = Enum.Parse (choiceEnumType, cname, false);
1030                                 }
1031
1032                                 list.Add (elem);
1033                         }
1034                         return list;
1035                 }
1036
1037                 XmlTypeMapElementInfoList ImportAnyElementInfo (string defaultNamespace, XmlReflectionMember rmember, XmlTypeMapMemberElement member, XmlAttributes atts)
1038                 {
1039                         XmlTypeMapElementInfoList list = new XmlTypeMapElementInfoList();
1040
1041                         ImportTextElementInfo (list, rmember.MemberType, member, atts, defaultNamespace);
1042
1043                         foreach (XmlAnyElementAttribute att in atts.XmlAnyElements)
1044                         {
1045                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(typeof(XmlElement)));
1046                                 if (att.Name.Length != 0)
1047                                 {
1048                                         elem.ElementName = XmlConvert.EncodeLocalName(att.Name);
1049                                         elem.Namespace = (att.Namespace != null) ? att.Namespace : "";
1050                                 }
1051                                 else
1052                                 {
1053                                         elem.IsUnnamedAnyElement = true;
1054                                         elem.Namespace = defaultNamespace;
1055                                         if (att.Namespace != null)
1056                                                 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.");
1057                                 }
1058                                 elem.ExplicitOrder = att.Order;
1059                                 list.Add (elem);
1060                         }
1061                         return list;
1062                 }
1063
1064                 void ImportTextElementInfo (XmlTypeMapElementInfoList list, Type defaultType, XmlTypeMapMemberElement member, XmlAttributes atts, string defaultNamespace)
1065                 {
1066                         if (atts.XmlText != null)
1067                         {
1068                                 member.IsXmlTextCollector = true;
1069                                 if (atts.XmlText.Type != null) {
1070                                         TypeData td = TypeTranslator.GetTypeData (defaultType);
1071                                         if ((td.SchemaType == SchemaTypes.Primitive || td.SchemaType == SchemaTypes.Enum) && atts.XmlText.Type != defaultType) {
1072                                                 throw new InvalidOperationException ("The type for XmlText may not be specified for primitive types.");
1073                                         }
1074                                         defaultType = atts.XmlText.Type;
1075                                 }
1076                                 if (defaultType == typeof(XmlNode)) defaultType = typeof(XmlText);      // Nodes must be text nodes
1077
1078                                 XmlTypeMapElementInfo elem = new XmlTypeMapElementInfo (member, TypeTranslator.GetTypeData(defaultType, atts.XmlText.DataType));
1079
1080                                 if (elem.TypeData.SchemaType != SchemaTypes.Primitive &&
1081                                         elem.TypeData.SchemaType != SchemaTypes.Enum &&
1082                                     elem.TypeData.SchemaType != SchemaTypes.XmlNode &&
1083                                     !(elem.TypeData.SchemaType == SchemaTypes.Array && elem.TypeData.ListItemTypeData.SchemaType == SchemaTypes.XmlNode)
1084                                  )
1085                                         throw new InvalidOperationException ("XmlText cannot be used to encode complex types");
1086
1087                                 if (elem.TypeData.IsComplexType)
1088                                         elem.MappedType = ImportTypeMapping (defaultType, null, defaultNamespace);
1089                                 elem.IsTextElement = true;
1090                                 elem.WrappedElement = false;
1091                                 list.Add (elem);
1092                         }
1093                 }
1094
1095                 bool CanBeNull (TypeData type)
1096                 {
1097 #if !NET_2_0    // idiotic compatibility
1098                         if (type.Type == typeof (XmlQualifiedName))
1099                                 return false;
1100 #endif
1101                         return !type.Type.IsValueType || type.IsNullable;
1102                 }
1103
1104                 public void IncludeType (Type type)
1105                 {
1106                         if (type == null)
1107                                 throw new ArgumentNullException ("type");
1108
1109                         if (includedTypes == null) includedTypes = new ArrayList ();
1110                         if (!includedTypes.Contains (type))
1111                                 includedTypes.Add (type);
1112
1113                         if (relatedMaps.Count > 0) {
1114                                 foreach (XmlTypeMapping map in (ArrayList) relatedMaps.Clone ()) {
1115                                         if (map.TypeData.Type == typeof(object))
1116                                                 map.DerivedTypes.Add (ImportTypeMapping (type));
1117                                 }
1118                         }
1119                 }
1120
1121                 public void IncludeTypes (ICustomAttributeProvider provider)
1122                 {
1123                         object[] ats = provider.GetCustomAttributes (typeof(XmlIncludeAttribute), true);
1124
1125                         foreach (XmlIncludeAttribute at in ats)
1126                                 IncludeType (at.Type);
1127                 }
1128
1129                 private object GetDefaultValue (TypeData typeData, object defaultValue)
1130                 {
1131                         if (defaultValue == DBNull.Value || typeData.SchemaType != SchemaTypes.Enum)
1132                                 return defaultValue;
1133
1134                         // get string representation of enum value
1135                         string namedValue = Enum.Format (typeData.Type, defaultValue, "g");
1136                         // get decimal representation of enum value
1137                         string decimalValue = Enum.Format (typeData.Type, defaultValue, "d");
1138                         // if decimal representation matches string representation, then
1139                         // the value is not defined in the enum type (as the "g" format
1140                         // will return the decimal equivalent of the value if the value
1141                         // is not equal to a combination of named enumerated constants
1142                         if (namedValue == decimalValue) {
1143                                 string msg = string.Format (CultureInfo.InvariantCulture,
1144                                         "Value '{0}' cannot be converted to {1}.", defaultValue,
1145                                         defaultValue.GetType ().FullName);
1146                                 throw new InvalidOperationException (msg);
1147                         }
1148
1149                         // XmlSerializer expects integral enum value
1150                         //return namedValue.Replace (',', ' ');
1151                         return defaultValue;
1152                 }
1153
1154                 #endregion // Methods
1155         }
1156 }