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

   1 //
   2 // XmlSerializationReaderInterpreter.cs:
   3 //
   4 // Author:
   5 //   Lluis Sanchez Gual (lluis@ximian.com)
   6 //
   7 // (C) 2002, 2003 Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Reflection;
  33 using System.Collections;
  34
  35 namespace System.Xml.Serialization
  36 {
  37         internal class XmlSerializationReaderInterpreter: XmlSerializationReader
  38         {
  39                 XmlMapping _typeMap;
  40                 SerializationFormat _format;
  41                 static readonly XmlQualifiedName AnyType = new XmlQualifiedName("anyType", System.Xml.Schema.XmlSchema.Namespace);
  42                 static readonly object [] empty_array = new object [0];
  43
  44                 public XmlSerializationReaderInterpreter(XmlMapping typeMap)
  45                 {
  46                         _typeMap = typeMap;
  47                         _format = typeMap.Format;
  48                 }
  49
  50                 protected override void InitCallbacks ()
  51                 {
  52                         ArrayList maps = _typeMap.RelatedMaps;
  53                         if (maps != null)
  54                         {
  55                                 foreach (XmlTypeMapping map in maps)
  56                                 {
  57                                         if (map.TypeData.SchemaType == SchemaTypes.Class || map.TypeData.SchemaType == SchemaTypes.Enum)
  58                                         {
  59                                                 ReaderCallbackInfo info = new ReaderCallbackInfo (this, map);
  60                                                 AddReadCallback (map.XmlType, map.Namespace, map.TypeData.Type, new XmlSerializationReadCallback (info.ReadObject));
  61                                         }
  62                                 }
  63                         }
  64                 }
  65
  66                 protected override void InitIDs ()
  67                 {
  68                 }
  69
  70                 protected XmlTypeMapping GetTypeMap (Type type)
  71                 {
  72                         ArrayList maps = _typeMap.RelatedMaps;
  73                         if (maps != null)
  74                         {
  75                                 foreach (XmlTypeMapping map in maps)
  76                                         if (map.TypeData.Type == type) return map;
  77                         }
  78                         throw new InvalidOperationException ("Type " + type + " not mapped");
  79                 }
  80
  81                 public object ReadRoot ()
  82                 {
  83                         Reader.MoveToContent();
  84                         if (_typeMap is XmlTypeMapping)
  85                         {
  86                                 if (_format == SerializationFormat.Literal)
  87                                         return ReadRoot ((XmlTypeMapping)_typeMap);
  88                                 else
  89                                         return ReadEncodedObject ((XmlTypeMapping)_typeMap);
  90                         }
  91                         else
  92                                 return ReadMessage ((XmlMembersMapping)_typeMap);
  93                 }
  94
  95                 object ReadEncodedObject (XmlTypeMapping typeMap)
  96                 {
  97 #if MOONLIGHT
  98                         throw new NotSupportedException ();
  99 #else
 100                         object ob = null;
 101                         Reader.MoveToContent();
 102                         if (Reader.NodeType == System.Xml.XmlNodeType.Element)
 103                         {
 104                                 if (Reader.LocalName == typeMap.ElementName && Reader.NamespaceURI == typeMap.Namespace)
 105                                         ob = ReadReferencedElement();
 106                                 else
 107                                         throw CreateUnknownNodeException();
 108                         }
 109                         else
 110                                 UnknownNode(null);
 111
 112                         ReadReferencedElements();
 113                         return ob;
 114 #endif
 115                 }
 116
 117                 protected virtual object ReadMessage (XmlMembersMapping typeMap)
 118                 {
 119 #if MOONLIGHT
 120                         throw new NotSupportedException ();
 121 #else
 122                         object[] parameters = new object[typeMap.Count];
 123
 124                         if (typeMap.HasWrapperElement)
 125                         {
 126                                 // bug #79988: out parameters need to be initialized if they
 127                                 // are value types
 128                                 ArrayList members = ((ClassMap) typeMap.ObjectMap).AllMembers;
 129                                 for (int n = 0; n < members.Count; n++) {
 130                                         XmlTypeMapMember mem = (XmlTypeMapMember) members [n];
 131                                         if (!mem.IsReturnValue && mem.TypeData.IsValueType)
 132                                                 SetMemberValueFromAttr (mem, parameters, CreateInstance (
 133                                                         mem.TypeData.Type), true);
 134                                 }
 135
 136                                 if (_format == SerializationFormat.Encoded)
 137                                 {
 138                                         while (Reader.NodeType == System.Xml.XmlNodeType.Element)
 139                                         {
 140                                                 string root = Reader.GetAttribute ("root", XmlSerializer.EncodingNamespace);
 141                                                 if (root == null || System.Xml.XmlConvert.ToBoolean(root)) break;
 142                                                 ReadReferencedElement ();
 143                                                 Reader.MoveToContent ();
 144                                         }
 145                                 }
 146
 147                                 while (Reader.NodeType != System.Xml.XmlNodeType.EndElement &&
 148                                        // it could be an empty root element
 149                                        Reader.ReadState == ReadState.Interactive)
 150                                 {
 151                                         if (Reader.IsStartElement(typeMap.ElementName, typeMap.Namespace)
 152                                             || _format == SerializationFormat.Encoded)
 153                                         {
 154                                                 ReadAttributeMembers ((ClassMap)typeMap.ObjectMap, parameters, true);
 155                                                 if (Reader.IsEmptyElement) {
 156                                                         Reader.Skip();
 157                                                         Reader.MoveToContent();
 158                                                         continue;
 159                                                 }
 160                                                 Reader.ReadStartElement();
 161                                                 ReadMembers ((ClassMap)typeMap.ObjectMap, parameters, true, false);
 162                                                 ReadEndElement();
 163                                                 break;
 164                                         }
 165                                         else
 166                                                 UnknownNode(null);
 167
 168                                         Reader.MoveToContent();
 169                                 }
 170                         }
 171                         else
 172                                 ReadMembers ((ClassMap)typeMap.ObjectMap, parameters, true, _format == SerializationFormat.Encoded);
 173
 174                         if (_format == SerializationFormat.Encoded)
 175                                 ReadReferencedElements();
 176
 177                         return parameters;
 178 #endif
 179                 }
 180
 181                 object ReadRoot (XmlTypeMapping rootMap)
 182                 {
 183                         if (rootMap.TypeData.SchemaType == SchemaTypes.XmlNode)
 184                         {
 185                                 return ReadXmlNodeElement (rootMap, true);
 186                         }
 187                         else
 188                         {
 189                                 if (Reader.LocalName != rootMap.ElementName || Reader.NamespaceURI != rootMap.Namespace)
 190                                         throw CreateUnknownNodeException();
 191
 192                                 return ReadObject (rootMap, rootMap.IsNullable, true);
 193                         }
 194                 }
 195
 196
 197                 protected virtual object ReadObject (XmlTypeMapping typeMap, bool isNullable, bool checkType)
 198                 {
 199                         switch (typeMap.TypeData.SchemaType)
 200                         {
 201                                 case SchemaTypes.Class: return ReadClassInstance (typeMap, isNullable, checkType);
 202                                 case SchemaTypes.Array: return ReadListElement (typeMap, isNullable, null, true);
 203                                 case SchemaTypes.XmlNode: return ReadXmlNodeElement (typeMap, isNullable);
 204                                 case SchemaTypes.Primitive: return ReadPrimitiveElement (typeMap, isNullable);
 205                                 case SchemaTypes.Enum: return ReadEnumElement (typeMap, isNullable);
 206                                 case SchemaTypes.XmlSerializable: return ReadXmlSerializableElement (typeMap, isNullable);
 207                                 default: throw new Exception ("Unsupported map type");
 208                         }
 209                 }
 210
 211                 protected virtual object ReadClassInstance (XmlTypeMapping typeMap, bool isNullable, bool checkType)
 212                 {
 213                         if (isNullable && ReadNull()) return null;
 214
 215                         if (checkType)
 216                         {
 217                 System.Xml.XmlQualifiedName t = GetXsiType();
 218                                 if (t != null)
 219                                 {
 220                                         XmlTypeMapping realMap = typeMap.GetRealElementMap (t.Name, t.Namespace);
 221                                         if (realMap == null) {
 222                                                 if (typeMap.TypeData.Type == typeof(object))
 223                                                         return ReadTypedPrimitive (t);
 224                                                 else
 225                                                         throw CreateUnknownTypeException((System.Xml.XmlQualifiedName)t);
 226                                         }
 227                                         if (realMap != typeMap)
 228                                                 return ReadObject (realMap, false, false);
 229                                 }
 230                                 else if (typeMap.TypeData.Type == typeof(object))
 231                                         return ReadTypedPrimitive (AnyType);
 232             }
 233
 234                         object ob = Activator.CreateInstance (typeMap.TypeData.Type, true);
 235
 236                         Reader.MoveToElement();
 237                         bool isEmpty = Reader.IsEmptyElement;
 238                         ReadClassInstanceMembers (typeMap, ob);
 239
 240                         if (isEmpty) Reader.Skip();
 241                         else ReadEndElement();
 242
 243                         return ob;
 244                 }
 245
 246                 protected virtual void ReadClassInstanceMembers (XmlTypeMapping typeMap, object ob)
 247                 {
 248                         ReadMembers ((ClassMap) typeMap.ObjectMap, ob, false, false);
 249                 }
 250
 251                 void ReadAttributeMembers (ClassMap map, object ob, bool isValueList)
 252                 {
 253                         XmlTypeMapMember anyAttrMember = map.DefaultAnyAttributeMember;
 254                         int anyAttributeIndex = 0;
 255                         object anyAttributeArray = null;
 256
 257                         while (Reader.MoveToNextAttribute())
 258                         {
 259                                 XmlTypeMapMemberAttribute member = map.GetAttribute (Reader.LocalName, Reader.NamespaceURI);
 260
 261                                 if (member != null)
 262                                 {
 263                                         SetMemberValue (member, ob, GetValueFromXmlString (Reader.Value, member.TypeData, member.MappedType), isValueList);
 264                                 }
 265                                 else if (IsXmlnsAttribute(Reader.Name))
 266                                 {
 267                                         // If the map has NamespaceDeclarations,
 268                                         // then store this xmlns to the given member.
 269                                         // If the instance doesn't exist, then create.
 270                                         if (map.NamespaceDeclarations != null) {
 271                                                 XmlSerializerNamespaces nss = this.GetMemberValue (map.NamespaceDeclarations, ob, isValueList) as XmlSerializerNamespaces;
 272                                                 if (nss == null) {
 273                                                         nss = new XmlSerializerNamespaces ();
 274                                                         SetMemberValue (map.NamespaceDeclarations, ob, nss, isValueList);
 275                                                 }
 276                                                 if (Reader.Prefix == "xmlns")
 277                                                         nss.Add (Reader.LocalName, Reader.Value);
 278                                                 else
 279                                                         nss.Add ("", Reader.Value);
 280                                         }
 281                                 }
 282 #if !MOONLIGHT
 283                                 else if (anyAttrMember != null)
 284                                 {
 285                                         XmlAttribute attr = (XmlAttribute) Document.ReadNode(Reader);
 286                                         ParseWsdlArrayType (attr);
 287                                         AddListValue (anyAttrMember.TypeData, ref anyAttributeArray, anyAttributeIndex++, attr, true);
 288                                 }
 289                                 else
 290                                         ProcessUnknownAttribute(ob);
 291 #endif
 292                         }
 293
 294 #if !MOONLIGHT
 295                         if (anyAttrMember != null)
 296                         {
 297                                 anyAttributeArray = ShrinkArray ((Array)anyAttributeArray, anyAttributeIndex, anyAttrMember.TypeData.Type.GetElementType(), true);
 298                                 SetMemberValue (anyAttrMember, ob, anyAttributeArray, isValueList);
 299                         }
 300 #endif
 301                         Reader.MoveToElement ();
 302                 }
 303
 304                 void ReadMembers (ClassMap map, object ob, bool isValueList, bool readByOrder)
 305                 {
 306                         // Reads attributes
 307                         ReadAttributeMembers (map, ob, isValueList);
 308
 309                         if (!isValueList)
 310                         {
 311                                 Reader.MoveToElement();
 312                                 if (Reader.IsEmptyElement) {
 313                                         SetListMembersDefaults (map, ob, isValueList);
 314                                         return;
 315                                 }
 316
 317                                 Reader.ReadStartElement();
 318                         }
 319
 320                         // Reads elements
 321
 322                         bool[] readFlag = new bool[(map.ElementMembers != null) ? map.ElementMembers.Count : 0];
 323
 324                         bool hasAnyReturnMember = (isValueList && _format == SerializationFormat.Encoded && map.ReturnMember != null);
 325
 326                         Reader.MoveToContent();
 327
 328                         int[] indexes = null;
 329                         object[] flatLists = null;
 330                         object[] flatListsChoices = null;
 331                         Fixup fixup = null;
 332                         int ind = 0;
 333                         int maxInd;
 334
 335                         if (readByOrder) {
 336                                 if (map.ElementMembers != null) maxInd = map.ElementMembers.Count;
 337                                 else maxInd = 0;
 338                         }
 339                         else
 340                                 maxInd = int.MaxValue;
 341
 342                         if (map.FlatLists != null)
 343                         {
 344                                 indexes = new int[map.FlatLists.Count];
 345                                 flatLists = new object[map.FlatLists.Count];
 346                                 foreach (XmlTypeMapMemberExpandable mem in map.FlatLists) {
 347                                         if (IsReadOnly (mem, mem.TypeData, ob, isValueList))
 348                                                 flatLists [mem.FlatArrayIndex] = mem.GetValue (ob);
 349                                         else if (mem.TypeData.Type.IsArray) {
 350                                                 flatLists [mem.FlatArrayIndex] = InitializeList (mem.TypeData);
 351                                         }
 352                                         else {
 353                                                 object list = mem.GetValue (ob);
 354                                                 if (list == null) {
 355                                                         list = InitializeList (mem.TypeData);
 356                                                         SetMemberValue (mem, ob, list, isValueList);
 357                                                 }
 358                                                 flatLists [mem.FlatArrayIndex] = list;
 359                                         }
 360
 361                                         if (mem.ChoiceMember != null) {
 362                                                 if (flatListsChoices == null)
 363                                                         flatListsChoices = new object [map.FlatLists.Count];
 364                                                 flatListsChoices [mem.FlatArrayIndex] = InitializeList (mem.ChoiceTypeData);
 365                                         }
 366                                 }
 367                         }
 368
 369                         if (_format == SerializationFormat.Encoded && map.ElementMembers != null)
 370                         {
 371                                 FixupCallbackInfo info = new FixupCallbackInfo (this, map, isValueList);
 372                                 fixup = new Fixup(ob, new XmlSerializationFixupCallback(info.FixupMembers), map.ElementMembers.Count);
 373                                 AddFixup (fixup);
 374                         }
 375
 376                         while (Reader.NodeType != System.Xml.XmlNodeType.EndElement && (ind < maxInd))
 377                         {
 378                                 if (Reader.NodeType == System.Xml.XmlNodeType.Element)
 379                                 {
 380                                         XmlTypeMapElementInfo info;
 381
 382                                         if (readByOrder) {
 383                                                 info = map.GetElement (ind++);
 384                                         }
 385                                         else if (hasAnyReturnMember) {
 386                                                 info = (XmlTypeMapElementInfo) ((XmlTypeMapMemberElement)map.ReturnMember).ElementInfo[0];
 387                                                 hasAnyReturnMember = false;
 388                                         }
 389                                         else
 390                                                 info = map.GetElement (Reader.LocalName, Reader.NamespaceURI);
 391
 392                                         if (info != null && !readFlag[info.Member.Index] )
 393                                         {
 394                                                 if (info.Member.GetType() == typeof (XmlTypeMapMemberList))
 395                                                 {
 396                                                         if (_format == SerializationFormat.Encoded && info.MultiReferenceType)
 397                                                         {
 398                                                                 object list = ReadReferencingElement (out fixup.Ids[info.Member.Index]);
 399                                                                 if (fixup.Ids[info.Member.Index] == null)       // Already read
 400                                                                 {
 401                                                                         if (IsReadOnly (info.Member, info.TypeData, ob, isValueList)) throw CreateReadOnlyCollectionException (info.TypeData.FullTypeName);
 402                                                                         else SetMemberValue (info.Member, ob, list, isValueList);
 403                                                                 }
 404                                                                 else if (!info.MappedType.TypeData.Type.IsArray)
 405                                                                 {
 406                                                                         if (IsReadOnly (info.Member, info.TypeData, ob, isValueList))
 407                                                                                 list = GetMemberValue (info.Member, ob, isValueList);
 408                                                                         else {
 409                                                                                 list = CreateList (info.MappedType.TypeData.Type);
 410                                                                                 SetMemberValue (info.Member, ob, list, isValueList);
 411                                                                         }
 412                                                                         AddFixup (new CollectionFixup (list, new XmlSerializationCollectionFixupCallback (FillList), fixup.Ids[info.Member.Index]));
 413                                                                         fixup.Ids[info.Member.Index] = null;    // The member already has the value, no further fix needed.
 414                                                                 }
 415                                                         }
 416                                                         else
 417                                                         {
 418                                                                 if (IsReadOnly (info.Member, info.TypeData, ob, isValueList)) {
 419                                                                         ReadListElement (info.MappedType, info.IsNullable, GetMemberValue (info.Member, ob, isValueList), false);
 420                                                                 } else if (info.MappedType.TypeData.Type.IsArray) {
 421                                                                         object list = ReadListElement (info.MappedType, info.IsNullable, null, true);
 422                                                                         if (list != null || info.IsNullable)
 423                                                                                 SetMemberValue (info.Member, ob, list, isValueList);
 424                                                                 } else {
 425                                                                         // If the member already has a list, reuse that list. No need to create a new one.
 426                                                                         object list = GetMemberValue (info.Member, ob, isValueList);
 427                                                                         if (list == null) {
 428                                                                                 list = CreateList (info.MappedType.TypeData.Type);
 429                                                                                 SetMemberValue (info.Member, ob, list, isValueList);
 430                                                                         }
 431                                                                         ReadListElement (info.MappedType, info.IsNullable, list, true);
 432                                                                 }
 433                                                         }
 434                                                         readFlag[info.Member.Index] = true;
 435                                                 }
 436                                                 else if (info.Member.GetType() == typeof (XmlTypeMapMemberFlatList))
 437                                                 {
 438                                                         XmlTypeMapMemberFlatList mem = (XmlTypeMapMemberFlatList)info.Member;
 439                                                         AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, ReadObjectElement (info), !IsReadOnly (info.Member, info.TypeData, ob, isValueList));
 440                                                         if (mem.ChoiceMember != null) {
 441                                                                 AddListValue (mem.ChoiceTypeData, ref flatListsChoices [mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]-1, info.ChoiceValue, true);
 442                                                         }
 443                                                 }
 444                                                 else if (info.Member.GetType() == typeof (XmlTypeMapMemberAnyElement))
 445                                                 {
 446                                                         XmlTypeMapMemberAnyElement mem = (XmlTypeMapMemberAnyElement)info.Member;
 447                                                         if (mem.TypeData.IsListType) AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, ReadXmlNode (mem.TypeData.ListItemTypeData, false), true);
 448                                                         else SetMemberValue (mem, ob, ReadXmlNode (mem.TypeData, false), isValueList);
 449                                                 }
 450                                                 else if (info.Member.GetType() == typeof(XmlTypeMapMemberElement))
 451                                                 {
 452                                                         object val;
 453                                                         readFlag[info.Member.Index] = true;
 454                                                         if (_format == SerializationFormat.Encoded)
 455                                                         {
 456                                                                 if (info.Member.TypeData.SchemaType != SchemaTypes.Primitive)
 457                                                                         val = ReadReferencingElement (out fixup.Ids[info.Member.Index]);
 458                                                                 else
 459                                                                         val = ReadReferencingElement (info.Member.TypeData.XmlType, System.Xml.Schema.XmlSchema.Namespace, out fixup.Ids[info.Member.Index]);
 460
 461                                                                 if (info.MultiReferenceType) {
 462                                                                         if (fixup.Ids[info.Member.Index] == null)       // already read
 463                                                                                 SetMemberValue (info.Member, ob, val, isValueList);
 464                                                                 }
 465                                                                 else if (val != null)
 466                                                                         SetMemberValue (info.Member, ob, val, isValueList);
 467                                                         }
 468                                                         else {
 469                                                                 SetMemberValue (info.Member, ob, ReadObjectElement (info), isValueList);
 470                                                                 if (info.ChoiceValue != null) {
 471                                                                         XmlTypeMapMemberElement imem = (XmlTypeMapMemberElement) info.Member;
 472                                                                         imem.SetChoice (ob, info.ChoiceValue);
 473                                                                 }
 474                                                         }
 475                                                 }
 476                                                 else
 477                                                         throw new InvalidOperationException ("Unknown member type");
 478                                         }
 479                                         else if (map.DefaultAnyElementMember != null)
 480                                         {
 481                                                 XmlTypeMapMemberAnyElement mem = map.DefaultAnyElementMember;
 482                                                 if (mem.TypeData.IsListType) AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, ReadXmlNode (mem.TypeData.ListItemTypeData, false), true);
 483                                                 else SetMemberValue (mem, ob, ReadXmlNode (mem.TypeData, false), isValueList);
 484                                         }
 485                                         else
 486                                                 ProcessUnknownElement(ob);
 487                                 }
 488                                 else if ((Reader.NodeType == System.Xml.XmlNodeType.Text || Reader.NodeType == System.Xml.XmlNodeType.CDATA) && map.XmlTextCollector != null)
 489                                 {
 490                                         if (map.XmlTextCollector is XmlTypeMapMemberExpandable)
 491                                         {
 492                                                 XmlTypeMapMemberExpandable mem = (XmlTypeMapMemberExpandable)map.XmlTextCollector;
 493                                                 XmlTypeMapMemberFlatList flatl = mem as XmlTypeMapMemberFlatList;
 494                                                 TypeData itype = (flatl == null) ? mem.TypeData.ListItemTypeData : flatl.ListMap.FindTextElement().TypeData;
 495
 496                                                 object val = (itype.Type == typeof (string)) ? (object) Reader.ReadString() : (object) ReadXmlNode (itype, false);
 497                                                 AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, val, true);
 498                                         }
 499                                         else
 500                                         {
 501                                                 XmlTypeMapMemberElement mem = (XmlTypeMapMemberElement) map.XmlTextCollector;
 502                                                 XmlTypeMapElementInfo info = (XmlTypeMapElementInfo) mem.ElementInfo [0];
 503                                                 if (info.TypeData.Type == typeof (string))
 504                                                         SetMemberValue (mem, ob, ReadString ((string) GetMemberValue (mem, ob, isValueList)), isValueList);
 505                                                 else
 506                                                         SetMemberValue (mem, ob, GetValueFromXmlString (Reader.ReadString(), info.TypeData, info.MappedType), isValueList);
 507                                         }
 508                                 }
 509 #if !MOONLIGHT
 510                                 else
 511                                         UnknownNode(ob);
 512 #endif
 513                                 Reader.MoveToContent();
 514                         }
 515
 516                         if (flatLists != null)
 517                         {
 518                                 foreach (XmlTypeMapMemberExpandable mem in map.FlatLists)
 519                                 {
 520                                         Object list = flatLists[mem.FlatArrayIndex];
 521                                         if (mem.TypeData.Type.IsArray)
 522                                                 list = ShrinkArray ((Array)list, indexes[mem.FlatArrayIndex], mem.TypeData.Type.GetElementType(), true);
 523                                         if (!IsReadOnly (mem, mem.TypeData, ob, isValueList) && mem.TypeData.Type.IsArray)
 524                                                 SetMemberValue (mem, ob, list, isValueList);
 525                                 }
 526                         }
 527
 528                         if (flatListsChoices != null)
 529                         {
 530                                 foreach (XmlTypeMapMemberExpandable mem in map.FlatLists)
 531                                 {
 532                                         Object list = flatListsChoices[mem.FlatArrayIndex];
 533                                         if (list == null) continue;
 534                                         list = ShrinkArray ((Array)list, indexes[mem.FlatArrayIndex], mem.ChoiceTypeData.Type.GetElementType(), true);
 535                                         XmlTypeMapMember.SetValue (ob, mem.ChoiceMember, list);
 536                                 }
 537                         }
 538                         SetListMembersDefaults (map, ob, isValueList);
 539                 }
 540
 541                 void SetListMembersDefaults (ClassMap map, object ob, bool isValueList)
 542                 {
 543                         if (map.ListMembers != null)
 544                         {
 545                                 ArrayList members = map.ListMembers;
 546                                 for (int n=0; n<members.Count; n++) {
 547                                         XmlTypeMapMember mem = (XmlTypeMapMember) members[n];
 548                                         if (IsReadOnly (mem, mem.TypeData, ob, isValueList))
 549                                                 continue;
 550                                         if (GetMemberValue (mem, ob, isValueList) == null)
 551                                                 SetMemberValue (mem, ob, InitializeList (mem.TypeData), isValueList);
 552                                 }
 553                         }
 554                 }
 555
 556                 internal void FixupMembers (ClassMap map, object obfixup, bool isValueList)
 557                 {
 558                         Fixup fixup = (Fixup)obfixup;
 559                         ICollection members = map.ElementMembers;
 560                         string[] ids = fixup.Ids;
 561                         foreach (XmlTypeMapMember member in members)
 562                         {
 563                                 if (ids[member.Index] != null)
 564                                         SetMemberValue (member, fixup.Source, GetTarget(ids[member.Index]), isValueList);
 565                         }
 566                 }
 567
 568                 protected virtual void ProcessUnknownAttribute (object target)
 569                 {
 570                         UnknownNode (target);
 571                 }
 572
 573                 protected virtual void ProcessUnknownElement (object target)
 574                 {
 575                         UnknownNode (target);
 576                 }
 577
 578                 bool IsReadOnly (XmlTypeMapMember member, TypeData memType, object ob, bool isValueList)
 579                 {
 580                         if (isValueList) return !memType.HasPublicConstructor;
 581                         else return member.IsReadOnly (ob.GetType()) || !memType.HasPublicConstructor;
 582                 }
 583
 584                 void SetMemberValue (XmlTypeMapMember member, object ob, object value, bool isValueList)
 585                 {
 586                         if (isValueList)
 587                                 ((object[])ob)[member.GlobalIndex] = value;
 588                         else
 589                                 member.SetValue (ob, value);
 590                         if (member.IsOptionalValueType)
 591                                 member.SetValueSpecified (ob, true);
 592                 }
 593
 594                 void SetMemberValueFromAttr (XmlTypeMapMember member, object ob, object value, bool isValueList)
 595                 {
 596                         // Enumeration values specified in custom attributes are stored as integer
 597                         // values if the custom attribute property is of type object. So, it is
 598                         // necessary to convert to the enum type before asigning the value to the field.
 599
 600                         if (member.TypeData.Type.IsEnum)
 601                                 value = Enum.ToObject (member.TypeData.Type, value);
 602                         SetMemberValue (member, ob, value, isValueList);
 603                 }
 604
 605                 object GetMemberValue (XmlTypeMapMember member, object ob, bool isValueList)
 606                 {
 607                         if (isValueList) return ((object[])ob)[member.GlobalIndex];
 608                         else return member.GetValue (ob);
 609                 }
 610
 611                 object ReadObjectElement (XmlTypeMapElementInfo elem)
 612                 {
 613                         switch (elem.TypeData.SchemaType)
 614                         {
 615                                 case SchemaTypes.XmlNode:
 616                                         return ReadXmlNode (elem.TypeData, true);
 617
 618                                 case SchemaTypes.Primitive:
 619                                 case SchemaTypes.Enum:
 620                                         return ReadPrimitiveValue (elem);
 621
 622                                 case SchemaTypes.Array:
 623                                         return ReadListElement (elem.MappedType, elem.IsNullable, null, true);
 624
 625                                 case SchemaTypes.Class:
 626                                         return ReadObject (elem.MappedType, elem.IsNullable, true);
 627
 628                                 case SchemaTypes.XmlSerializable:
 629                                         object ob = Activator.CreateInstance (elem.TypeData.Type, true);
 630                                         return ReadSerializable ((IXmlSerializable)ob);
 631
 632                                 default:
 633                                         throw new NotSupportedException ("Invalid value type");
 634                         }
 635                 }
 636
 637                 object ReadPrimitiveValue (XmlTypeMapElementInfo elem)
 638                 {
 639                         if (elem.TypeData.Type == typeof (XmlQualifiedName)) {
 640                                 if (elem.IsNullable) return ReadNullableQualifiedName ();
 641                                 else return ReadElementQualifiedName ();
 642                         }
 643                         else if (elem.IsNullable)
 644                                 return GetValueFromXmlString (ReadNullableString (), elem.TypeData, elem.MappedType);
 645                         else
 646                                 return GetValueFromXmlString (Reader.ReadElementString (), elem.TypeData, elem.MappedType);
 647                 }
 648
 649                 object GetValueFromXmlString (string value, TypeData typeData, XmlTypeMapping typeMap)
 650                 {
 651                         if (typeData.SchemaType == SchemaTypes.Array)
 652                                 return ReadListString (typeMap, value);
 653                         else if (typeData.SchemaType == SchemaTypes.Enum)
 654                                 return GetEnumValue (typeMap, value);
 655                         else if (typeData.Type == typeof (XmlQualifiedName))
 656                                 return ToXmlQualifiedName (value);
 657                         else
 658                                 return XmlCustomFormatter.FromXmlString (typeData, value);
 659                 }
 660
 661                 object ReadListElement (XmlTypeMapping typeMap, bool isNullable, object list, bool canCreateInstance)
 662                 {
 663                         Type listType = typeMap.TypeData.Type;
 664                         ListMap listMap = (ListMap)typeMap.ObjectMap;
 665
 666                         if (listType.IsArray && ReadNull()) return null;
 667
 668                         if (list == null) {
 669                                 if (canCreateInstance && typeMap.TypeData.HasPublicConstructor) list = CreateList (listType);
 670                                 else throw CreateReadOnlyCollectionException (typeMap.TypeFullName);
 671                         }
 672
 673                         if (Reader.IsEmptyElement) {
 674                                 Reader.Skip();
 675                                 if (listType.IsArray)
 676                                         list = ShrinkArray ((Array)list, 0, listType.GetElementType(), false);
 677                                 return list;
 678                         }
 679
 680                         int index = 0;
 681                         Reader.ReadStartElement();
 682                         Reader.MoveToContent();
 683
 684                         while (Reader.NodeType != System.Xml.XmlNodeType.EndElement)
 685                         {
 686                                 if (Reader.NodeType == System.Xml.XmlNodeType.Element)
 687                                 {
 688                                         XmlTypeMapElementInfo elemInfo = listMap.FindElement (Reader.LocalName, Reader.NamespaceURI);
 689                                         if (elemInfo != null)
 690                                                 AddListValue (typeMap.TypeData, ref list, index++, ReadObjectElement (elemInfo), false);
 691                                         else
 692                                                 UnknownNode(null);
 693                                 }
 694                                 else
 695                                         UnknownNode(null);
 696
 697                                 Reader.MoveToContent();
 698                         }
 699                         ReadEndElement();
 700
 701                         if (listType.IsArray)
 702                                 list = ShrinkArray ((Array)list, index, listType.GetElementType(), false);
 703
 704                         return list;
 705                 }
 706
 707                 object ReadListString (XmlTypeMapping typeMap, string values)
 708                 {
 709                         Type listType = typeMap.TypeData.Type;
 710                         ListMap listMap = (ListMap)typeMap.ObjectMap;
 711                         values = values.Trim ();
 712
 713                         if (values == string.Empty)
 714                         {
 715                                 return Array.CreateInstance (listType.GetElementType(), 0);
 716                         }
 717
 718                         string[] valueArray = values.Split (' ');
 719                         Array list = Array.CreateInstance (listType.GetElementType(), valueArray.Length);
 720
 721                         XmlTypeMapElementInfo info = (XmlTypeMapElementInfo)listMap.ItemInfo[0];
 722
 723                         for (int index = 0; index < valueArray.Length; index++)
 724                                 list.SetValue (GetValueFromXmlString (valueArray[index], info.TypeData, info.MappedType), index);
 725
 726                         return list;
 727                 }
 728
 729                 void AddListValue (TypeData listType, ref object list, int index, object value, bool canCreateInstance)
 730                 {
 731                         Type type = listType.Type;
 732                         if (type.IsArray)
 733                         {
 734                                 list = EnsureArrayIndex ((Array)list, index, type.GetElementType());
 735                                 ((Array)list).SetValue (value, index);
 736                         }
 737                         else    // Must be IEnumerable
 738                         {
 739                                 if (list == null) {
 740                                         if (canCreateInstance) list = Activator.CreateInstance (type, true);
 741                                         else throw CreateReadOnlyCollectionException (type.FullName);
 742                                 }
 743
 744                                 MethodInfo mi = type.GetMethod ("Add", new Type[] {listType.ListItemType} );
 745                                 mi.Invoke (list, new object[] { value });
 746                         }
 747                 }
 748
 749                 object CreateInstance (Type type)
 750                 {
 751                         return Activator.CreateInstance (type, empty_array);
 752                 }
 753
 754                 object CreateList (Type listType)
 755                 {
 756                         if (listType.IsArray)
 757                                 return EnsureArrayIndex (null, 0, listType.GetElementType());
 758                         else
 759                                 return Activator.CreateInstance (listType, true);
 760                 }
 761
 762                 object InitializeList (TypeData listType)
 763                 {
 764                         if (listType.Type.IsArray)
 765                                 return null;
 766                         else
 767                                 return Activator.CreateInstance (listType.Type, true);
 768                 }
 769
 770                 void FillList (object list, object items)
 771                 {
 772                         CopyEnumerableList (items, list);
 773                 }
 774
 775                 void CopyEnumerableList (object source, object dest)
 776                 {
 777                         if (dest == null) throw CreateReadOnlyCollectionException (source.GetType().FullName);
 778
 779                         object[] param = new object[1];
 780                         MethodInfo mi = dest.GetType().GetMethod ("Add");
 781                         foreach (object ob in (IEnumerable)source)
 782                         {
 783                                 param[0] = ob;
 784                                 mi.Invoke (dest, param);
 785                         }
 786                 }
 787
 788                 object ReadXmlNodeElement (XmlTypeMapping typeMap, bool isNullable)
 789                 {
 790                         return ReadXmlNode (typeMap.TypeData, false);
 791                 }
 792
 793                 object ReadXmlNode (TypeData type, bool wrapped)
 794                 {
 795 #if MOONLIGHT
 796                         throw new NotSupportedException ();
 797 #else
 798                         if (type.Type == typeof (XmlDocument))
 799                                 return ReadXmlDocument (wrapped);
 800                         else
 801                                 return ReadXmlNode (wrapped);
 802 #endif
 803                 }
 804
 805                 object ReadPrimitiveElement (XmlTypeMapping typeMap, bool isNullable)
 806                 {
 807                         XmlQualifiedName t = GetXsiType();
 808                         if (t == null) t = new XmlQualifiedName (typeMap.XmlType, typeMap.Namespace);
 809                         return ReadTypedPrimitive (t);
 810                 }
 811
 812                 object ReadEnumElement (XmlTypeMapping typeMap, bool isNullable)
 813                 {
 814                         Reader.ReadStartElement ();
 815                         object o = GetEnumValue (typeMap, Reader.ReadString());
 816                         ReadEndElement ();
 817                         return o;
 818                 }
 819
 820                 object GetEnumValue (XmlTypeMapping typeMap, string val)
 821                 {
 822                         if (val == null)
 823                                 return null;
 824                         EnumMap map = (EnumMap) typeMap.ObjectMap;
 825                         string ev = map.GetEnumName (typeMap.TypeFullName, val);
 826                         if (ev == null) throw CreateUnknownConstantException (val, typeMap.TypeData.Type);
 827                         return Enum.Parse (typeMap.TypeData.Type, ev);
 828                 }
 829
 830                 object ReadXmlSerializableElement (XmlTypeMapping typeMap, bool isNullable)
 831                 {
 832                         Reader.MoveToContent ();
 833                         if (Reader.NodeType == XmlNodeType.Element)
 834                         {
 835                                 if (Reader.LocalName == typeMap.ElementName && Reader.NamespaceURI == typeMap.Namespace)
 836                                 {
 837                                         object ob = Activator.CreateInstance (typeMap.TypeData.Type, true);
 838                                         return ReadSerializable ((IXmlSerializable)ob);
 839                                 }
 840                                 else
 841                                         throw CreateUnknownNodeException ();
 842                         }
 843                         else
 844                         {
 845                                 UnknownNode (null);
 846                                 return null;
 847                         }
 848                 }
 849
 850                 class FixupCallbackInfo
 851                 {
 852                         XmlSerializationReaderInterpreter _sri;
 853                         ClassMap _map;
 854                         bool _isValueList;
 855
 856                         public FixupCallbackInfo (XmlSerializationReaderInterpreter sri, ClassMap map, bool isValueList)
 857                         {
 858                                 _sri = sri;
 859                                 _map = map;
 860                                 _isValueList = isValueList;
 861                         }
 862
 863                         public void FixupMembers (object fixup)
 864                         {
 865                                 _sri.FixupMembers (_map, fixup, _isValueList);
 866                         }
 867                 }
 868
 869                 class ReaderCallbackInfo
 870                 {
 871                         XmlSerializationReaderInterpreter _sri;
 872                         XmlTypeMapping _typeMap;
 873
 874                         public ReaderCallbackInfo (XmlSerializationReaderInterpreter sri, XmlTypeMapping typeMap)
 875                         {
 876                                 _sri = sri;
 877                                 _typeMap = typeMap;
 878                         }
 879
 880                         internal object ReadObject ()
 881                         {
 882                                 return _sri.ReadObject (_typeMap, true, true);
 883                         }
 884                 }
 885         }
 886 }