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