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 = 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 readBySoapOrder)
 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 (readBySoapOrder) {
 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 (readBySoapOrder) {
 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                                                 if (map.IsOrderDependentMap) {
 391                                                         while ((info = map.GetElement (ind++)) != null)
 392                                                                 if (info.ElementName == Reader.LocalName && info.Namespace == Reader.NamespaceURI)
 393                                                                         break;
 394                                                 }
 395                                                 else
 396                                                         info = map.GetElement (Reader.LocalName, Reader.NamespaceURI, -1);
 397                                         }
 398
 399                                         if (info != null && !readFlag[info.Member.Index] )
 400                                         {
 401                                                 if (info.Member.GetType() == typeof (XmlTypeMapMemberList))
 402                                                 {
 403                                                         if (_format == SerializationFormat.Encoded && info.MultiReferenceType)
 404                                                         {
 405                                                                 object list = ReadReferencingElement (out fixup.Ids[info.Member.Index]);
 406                                                                 if (fixup.Ids[info.Member.Index] == null)       // Already read
 407                                                                 {
 408                                                                         if (IsReadOnly (info.Member, info.TypeData, ob, isValueList)) throw CreateReadOnlyCollectionException (info.TypeData.FullTypeName);
 409                                                                         else SetMemberValue (info.Member, ob, list, isValueList);
 410                                                                 }
 411                                                                 else if (!info.MappedType.TypeData.Type.IsArray)
 412                                                                 {
 413                                                                         if (IsReadOnly (info.Member, info.TypeData, ob, isValueList))
 414                                                                                 list = GetMemberValue (info.Member, ob, isValueList);
 415                                                                         else {
 416                                                                                 list = CreateList (info.MappedType.TypeData.Type);
 417                                                                                 SetMemberValue (info.Member, ob, list, isValueList);
 418                                                                         }
 419                                                                         AddFixup (new CollectionFixup (list, new XmlSerializationCollectionFixupCallback (FillList), fixup.Ids[info.Member.Index]));
 420                                                                         fixup.Ids[info.Member.Index] = null;    // The member already has the value, no further fix needed.
 421                                                                 }
 422                                                         }
 423                                                         else
 424                                                         {
 425                                                                 if (IsReadOnly (info.Member, info.TypeData, ob, isValueList)) {
 426                                                                         ReadListElement (info.MappedType, info.IsNullable, GetMemberValue (info.Member, ob, isValueList), false);
 427                                                                 } else if (info.MappedType.TypeData.Type.IsArray) {
 428                                                                         object list = ReadListElement (info.MappedType, info.IsNullable, null, true);
 429                                                                         if (list != null || info.IsNullable)
 430                                                                                 SetMemberValue (info.Member, ob, list, isValueList);
 431                                                                 } else {
 432                                                                         // If the member already has a list, reuse that list. No need to create a new one.
 433                                                                         object list = GetMemberValue (info.Member, ob, isValueList);
 434                                                                         if (list == null) {
 435                                                                                 list = CreateList (info.MappedType.TypeData.Type);
 436                                                                                 SetMemberValue (info.Member, ob, list, isValueList);
 437                                                                         }
 438                                                                         ReadListElement (info.MappedType, info.IsNullable, list, true);
 439                                                                 }
 440                                                         }
 441                                                         readFlag[info.Member.Index] = true;
 442                                                 }
 443                                                 else if (info.Member.GetType() == typeof (XmlTypeMapMemberFlatList))
 444                                                 {
 445                                                         XmlTypeMapMemberFlatList mem = (XmlTypeMapMemberFlatList)info.Member;
 446                                                         AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, ReadObjectElement (info), !IsReadOnly (info.Member, info.TypeData, ob, isValueList));
 447                                                         if (mem.ChoiceMember != null) {
 448                                                                 AddListValue (mem.ChoiceTypeData, ref flatListsChoices [mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]-1, info.ChoiceValue, true);
 449                                                         }
 450                                                 }
 451                                                 else if (info.Member.GetType() == typeof (XmlTypeMapMemberAnyElement))
 452                                                 {
 453                                                         XmlTypeMapMemberAnyElement mem = (XmlTypeMapMemberAnyElement)info.Member;
 454                                                         if (mem.TypeData.IsListType) AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, ReadXmlNode (mem.TypeData.ListItemTypeData, false), true);
 455                                                         else SetMemberValue (mem, ob, ReadXmlNode (mem.TypeData, false), isValueList);
 456                                                 }
 457                                                 else if (info.Member.GetType() == typeof(XmlTypeMapMemberElement))
 458                                                 {
 459                                                         object val;
 460                                                         readFlag[info.Member.Index] = true;
 461                                                         if (_format == SerializationFormat.Encoded)
 462                                                         {
 463                                                                 if (info.Member.TypeData.SchemaType != SchemaTypes.Primitive)
 464                                                                         val = ReadReferencingElement (out fixup.Ids[info.Member.Index]);
 465                                                                 else
 466                                                                         val = ReadReferencingElement (info.Member.TypeData.XmlType, System.Xml.Schema.XmlSchema.Namespace, out fixup.Ids[info.Member.Index]);
 467
 468                                                                 if (info.MultiReferenceType) {
 469                                                                         if (fixup.Ids[info.Member.Index] == null)       // already read
 470                                                                                 SetMemberValue (info.Member, ob, val, isValueList);
 471                                                                 }
 472                                                                 else if (val != null)
 473                                                                         SetMemberValue (info.Member, ob, val, isValueList);
 474                                                         }
 475                                                         else {
 476                                                                 SetMemberValue (info.Member, ob, ReadObjectElement (info), isValueList);
 477                                                                 if (info.ChoiceValue != null) {
 478                                                                         XmlTypeMapMemberElement imem = (XmlTypeMapMemberElement) info.Member;
 479                                                                         imem.SetChoice (ob, info.ChoiceValue);
 480                                                                 }
 481                                                         }
 482                                                 }
 483                                                 else
 484                                                         throw new InvalidOperationException ("Unknown member type");
 485                                         }
 486                                         else if (map.DefaultAnyElementMember != null)
 487                                         {
 488                                                 XmlTypeMapMemberAnyElement mem = map.DefaultAnyElementMember;
 489                                                 if (mem.TypeData.IsListType) AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, ReadXmlNode (mem.TypeData.ListItemTypeData, false), true);
 490                                                 else SetMemberValue (mem, ob, ReadXmlNode (mem.TypeData, false), isValueList);
 491                                         }
 492                                         else
 493                                                 ProcessUnknownElement(ob);
 494                                 }
 495                                 else if ((Reader.NodeType == System.Xml.XmlNodeType.Text || Reader.NodeType == System.Xml.XmlNodeType.CDATA) && map.XmlTextCollector != null)
 496                                 {
 497                                         if (map.XmlTextCollector is XmlTypeMapMemberExpandable)
 498                                         {
 499                                                 XmlTypeMapMemberExpandable mem = (XmlTypeMapMemberExpandable)map.XmlTextCollector;
 500                                                 XmlTypeMapMemberFlatList flatl = mem as XmlTypeMapMemberFlatList;
 501                                                 TypeData itype = (flatl == null) ? mem.TypeData.ListItemTypeData : flatl.ListMap.FindTextElement().TypeData;
 502
 503                                                 object val = (itype.Type == typeof (string)) ? (object) Reader.ReadString() : (object) ReadXmlNode (itype, false);
 504                                                 AddListValue (mem.TypeData, ref flatLists[mem.FlatArrayIndex], indexes[mem.FlatArrayIndex]++, val, true);
 505                                         }
 506                                         else
 507                                         {
 508                                                 XmlTypeMapMemberElement mem = (XmlTypeMapMemberElement) map.XmlTextCollector;
 509                                                 XmlTypeMapElementInfo info = (XmlTypeMapElementInfo) mem.ElementInfo [0];
 510                                                 if (info.TypeData.Type == typeof (string))
 511                                                         SetMemberValue (mem, ob, ReadString ((string) GetMemberValue (mem, ob, isValueList)), isValueList);
 512                                                 else
 513                                                         SetMemberValue (mem, ob, GetValueFromXmlString (Reader.ReadString(), info.TypeData, info.MappedType), isValueList);
 514                                         }
 515                                 }
 516 #if !MOONLIGHT
 517                                 else
 518                                         UnknownNode(ob);
 519 #endif
 520                                 Reader.MoveToContent();
 521                         }
 522
 523                         if (flatLists != null)
 524                         {
 525                                 foreach (XmlTypeMapMemberExpandable mem in map.FlatLists)
 526                                 {
 527                                         Object list = flatLists[mem.FlatArrayIndex];
 528                                         if (mem.TypeData.Type.IsArray)
 529                                                 list = ShrinkArray ((Array)list, indexes[mem.FlatArrayIndex], mem.TypeData.Type.GetElementType(), true);
 530                                         if (!IsReadOnly (mem, mem.TypeData, ob, isValueList) && mem.TypeData.Type.IsArray)
 531                                                 SetMemberValue (mem, ob, list, isValueList);
 532                                 }
 533                         }
 534
 535                         if (flatListsChoices != null)
 536                         {
 537                                 foreach (XmlTypeMapMemberExpandable mem in map.FlatLists)
 538                                 {
 539                                         Object list = flatListsChoices[mem.FlatArrayIndex];
 540                                         if (list == null) continue;
 541                                         list = ShrinkArray ((Array)list, indexes[mem.FlatArrayIndex], mem.ChoiceTypeData.Type.GetElementType(), true);
 542                                         XmlTypeMapMember.SetValue (ob, mem.ChoiceMember, list);
 543                                 }
 544                         }
 545                         SetListMembersDefaults (map, ob, isValueList);
 546                 }
 547
 548                 void SetListMembersDefaults (ClassMap map, object ob, bool isValueList)
 549                 {
 550                         if (map.ListMembers != null)
 551                         {
 552                                 ArrayList members = map.ListMembers;
 553                                 for (int n=0; n<members.Count; n++) {
 554                                         XmlTypeMapMember mem = (XmlTypeMapMember) members[n];
 555                                         if (IsReadOnly (mem, mem.TypeData, ob, isValueList))
 556                                                 continue;
 557                                         if (GetMemberValue (mem, ob, isValueList) == null)
 558                                                 SetMemberValue (mem, ob, InitializeList (mem.TypeData), isValueList);
 559                                 }
 560                         }
 561                 }
 562
 563                 internal void FixupMembers (ClassMap map, object obfixup, bool isValueList)
 564                 {
 565                         Fixup fixup = (Fixup)obfixup;
 566                         ICollection members = map.ElementMembers;
 567                         string[] ids = fixup.Ids;
 568                         foreach (XmlTypeMapMember member in members)
 569                         {
 570                                 if (ids[member.Index] != null)
 571                                         SetMemberValue (member, fixup.Source, GetTarget(ids[member.Index]), isValueList);
 572                         }
 573                 }
 574
 575                 protected virtual void ProcessUnknownAttribute (object target)
 576                 {
 577                         UnknownNode (target);
 578                 }
 579
 580                 protected virtual void ProcessUnknownElement (object target)
 581                 {
 582                         UnknownNode (target);
 583                 }
 584
 585                 bool IsReadOnly (XmlTypeMapMember member, TypeData memType, object ob, bool isValueList)
 586                 {
 587                         if (isValueList) return !memType.HasPublicConstructor;
 588                         else return member.IsReadOnly (ob.GetType()) || !memType.HasPublicConstructor;
 589                 }
 590
 591                 void SetMemberValue (XmlTypeMapMember member, object ob, object value, bool isValueList)
 592                 {
 593                         if (isValueList)
 594                                 ((object[])ob)[member.GlobalIndex] = value;
 595                         else
 596                                 member.SetValue (ob, value);
 597                         if (member.IsOptionalValueType)
 598                                 member.SetValueSpecified (ob, true);
 599                 }
 600
 601                 void SetMemberValueFromAttr (XmlTypeMapMember member, object ob, object value, bool isValueList)
 602                 {
 603                         // Enumeration values specified in custom attributes are stored as integer
 604                         // values if the custom attribute property is of type object. So, it is
 605                         // necessary to convert to the enum type before asigning the value to the field.
 606
 607                         if (member.TypeData.Type.IsEnum)
 608                                 value = Enum.ToObject (member.TypeData.Type, value);
 609                         SetMemberValue (member, ob, value, isValueList);
 610                 }
 611
 612                 object GetMemberValue (XmlTypeMapMember member, object ob, bool isValueList)
 613                 {
 614                         if (isValueList) return ((object[])ob)[member.GlobalIndex];
 615                         else return member.GetValue (ob);
 616                 }
 617
 618                 object ReadObjectElement (XmlTypeMapElementInfo elem)
 619                 {
 620                         switch (elem.TypeData.SchemaType)
 621                         {
 622                                 case SchemaTypes.XmlNode:
 623                                         return ReadXmlNode (elem.TypeData, true);
 624
 625                                 case SchemaTypes.Primitive:
 626                                 case SchemaTypes.Enum:
 627                                         return ReadPrimitiveValue (elem);
 628
 629                                 case SchemaTypes.Array:
 630                                         return ReadListElement (elem.MappedType, elem.IsNullable, null, true);
 631
 632                                 case SchemaTypes.Class:
 633                                         return ReadObject (elem.MappedType, elem.IsNullable, true);
 634
 635                                 case SchemaTypes.XmlSerializable:
 636                                         object ob = CreateInstance (elem.TypeData.Type, true);
 637                                         return ReadSerializable ((IXmlSerializable)ob);
 638
 639                                 default:
 640                                         throw new NotSupportedException ("Invalid value type");
 641                         }
 642                 }
 643
 644                 object ReadPrimitiveValue (XmlTypeMapElementInfo elem)
 645                 {
 646                         if (elem.TypeData.Type == typeof (XmlQualifiedName)) {
 647                                 if (elem.IsNullable) return ReadNullableQualifiedName ();
 648                                 else return ReadElementQualifiedName ();
 649                         }
 650                         else if (elem.IsNullable)
 651                                 return GetValueFromXmlString (ReadNullableString (), elem.TypeData, elem.MappedType);
 652                         else
 653                                 return GetValueFromXmlString (Reader.ReadElementString (), elem.TypeData, elem.MappedType);
 654                 }
 655
 656                 object GetValueFromXmlString (string value, TypeData typeData, XmlTypeMapping typeMap)
 657                 {
 658                         if (typeData.SchemaType == SchemaTypes.Array)
 659                                 return ReadListString (typeMap, value);
 660                         else if (typeData.SchemaType == SchemaTypes.Enum)
 661                                 return GetEnumValue (typeMap, value);
 662                         else if (typeData.Type == typeof (XmlQualifiedName))
 663                                 return ToXmlQualifiedName (value);
 664                         else
 665                                 return XmlCustomFormatter.FromXmlString (typeData, value);
 666                 }
 667
 668                 object ReadListElement (XmlTypeMapping typeMap, bool isNullable, object list, bool canCreateInstance)
 669                 {
 670                         Type listType = typeMap.TypeData.Type;
 671                         ListMap listMap = (ListMap)typeMap.ObjectMap;
 672
 673                         if (listType.IsArray && ReadNull()) return null;
 674
 675                         if (list == null) {
 676                                 if (canCreateInstance && typeMap.TypeData.HasPublicConstructor) list = CreateList (listType);
 677                                 else throw CreateReadOnlyCollectionException (typeMap.TypeFullName);
 678                         }
 679
 680                         if (Reader.IsEmptyElement) {
 681                                 Reader.Skip();
 682                                 if (listType.IsArray)
 683                                         list = ShrinkArray ((Array)list, 0, listType.GetElementType(), false);
 684                                 return list;
 685                         }
 686
 687                         int index = 0;
 688                         Reader.ReadStartElement();
 689                         Reader.MoveToContent();
 690
 691                         while (Reader.NodeType != System.Xml.XmlNodeType.EndElement)
 692                         {
 693                                 if (Reader.NodeType == System.Xml.XmlNodeType.Element)
 694                                 {
 695                                         XmlTypeMapElementInfo elemInfo = listMap.FindElement (Reader.LocalName, Reader.NamespaceURI);
 696                                         if (elemInfo != null)
 697                                                 AddListValue (typeMap.TypeData, ref list, index++, ReadObjectElement (elemInfo), false);
 698                                         else
 699                                                 UnknownNode(null);
 700                                 }
 701                                 else
 702                                         UnknownNode(null);
 703
 704                                 Reader.MoveToContent();
 705                         }
 706                         ReadEndElement();
 707
 708                         if (listType.IsArray)
 709                                 list = ShrinkArray ((Array)list, index, listType.GetElementType(), false);
 710
 711                         return list;
 712                 }
 713
 714                 object ReadListString (XmlTypeMapping typeMap, string values)
 715                 {
 716                         Type listType = typeMap.TypeData.Type;
 717                         ListMap listMap = (ListMap)typeMap.ObjectMap;
 718                         values = values.Trim ();
 719
 720                         if (values == string.Empty)
 721                         {
 722                                 return Array.CreateInstance (listType.GetElementType(), 0);
 723                         }
 724
 725                         string[] valueArray = values.Split (' ');
 726                         Array list = Array.CreateInstance (listType.GetElementType(), valueArray.Length);
 727
 728                         XmlTypeMapElementInfo info = (XmlTypeMapElementInfo)listMap.ItemInfo[0];
 729
 730                         for (int index = 0; index < valueArray.Length; index++)
 731                                 list.SetValue (GetValueFromXmlString (valueArray[index], info.TypeData, info.MappedType), index);
 732
 733                         return list;
 734                 }
 735
 736                 void AddListValue (TypeData listType, ref object list, int index, object value, bool canCreateInstance)
 737                 {
 738                         Type type = listType.Type;
 739                         if (type.IsArray)
 740                         {
 741                                 list = EnsureArrayIndex ((Array)list, index, type.GetElementType());
 742                                 ((Array)list).SetValue (value, index);
 743                         }
 744                         else    // Must be IEnumerable
 745                         {
 746                                 if (list == null) {
 747                                         if (canCreateInstance) list = CreateInstance (type, true);
 748                                         else throw CreateReadOnlyCollectionException (type.FullName);
 749                                 }
 750
 751                                 MethodInfo mi = type.GetMethod ("Add", new Type[] {listType.ListItemType} );
 752                                 mi.Invoke (list, new object[] { value });
 753                         }
 754                 }
 755
 756                 static object CreateInstance (Type type, bool nonPublic)
 757                 {
 758 #if MOONLIGHT
 759                         return Activator.CreateInstance (type); // always false
 760 #else
 761                         return Activator.CreateInstance (type, nonPublic);
 762 #endif
 763                 }
 764
 765                 object CreateInstance (Type type)
 766                 {
 767                         return Activator.CreateInstance (type, empty_array);
 768                 }
 769
 770                 object CreateList (Type listType)
 771                 {
 772                         if (listType.IsArray)
 773                                 return EnsureArrayIndex (null, 0, listType.GetElementType());
 774                         else
 775                                 return CreateInstance (listType, true);
 776                 }
 777
 778                 object InitializeList (TypeData listType)
 779                 {
 780                         if (listType.Type.IsArray)
 781                                 return null;
 782                         else
 783                                 return CreateInstance (listType.Type, true);
 784                 }
 785
 786                 void FillList (object list, object items)
 787                 {
 788                         CopyEnumerableList (items, list);
 789                 }
 790
 791                 void CopyEnumerableList (object source, object dest)
 792                 {
 793                         if (dest == null) throw CreateReadOnlyCollectionException (source.GetType().FullName);
 794
 795                         object[] param = new object[1];
 796                         MethodInfo mi = dest.GetType().GetMethod ("Add");
 797                         foreach (object ob in (IEnumerable)source)
 798                         {
 799                                 param[0] = ob;
 800                                 mi.Invoke (dest, param);
 801                         }
 802                 }
 803
 804                 object ReadXmlNodeElement (XmlTypeMapping typeMap, bool isNullable)
 805                 {
 806                         return ReadXmlNode (typeMap.TypeData, false);
 807                 }
 808
 809                 object ReadXmlNode (TypeData type, bool wrapped)
 810                 {
 811 #if MOONLIGHT
 812                         throw new NotSupportedException ();
 813 #else
 814                         if (type.Type == typeof (XmlDocument))
 815                                 return ReadXmlDocument (wrapped);
 816                         else
 817                                 return ReadXmlNode (wrapped);
 818 #endif
 819                 }
 820
 821                 object ReadPrimitiveElement (XmlTypeMapping typeMap, bool isNullable)
 822                 {
 823                         XmlQualifiedName t = GetXsiType();
 824                         if (t == null) t = new XmlQualifiedName (typeMap.XmlType, typeMap.Namespace);
 825                         return ReadTypedPrimitive (t);
 826                 }
 827
 828                 object ReadEnumElement (XmlTypeMapping typeMap, bool isNullable)
 829                 {
 830                         Reader.ReadStartElement ();
 831                         object o = GetEnumValue (typeMap, Reader.ReadString());
 832                         ReadEndElement ();
 833                         return o;
 834                 }
 835
 836                 object GetEnumValue (XmlTypeMapping typeMap, string val)
 837                 {
 838                         if (val == null)
 839                                 return null;
 840                         EnumMap map = (EnumMap) typeMap.ObjectMap;
 841                         string ev = map.GetEnumName (typeMap.TypeFullName, val);
 842                         if (ev == null) throw CreateUnknownConstantException (val, typeMap.TypeData.Type);
 843                         return Enum.Parse (typeMap.TypeData.Type, ev, false);
 844                 }
 845
 846                 object ReadXmlSerializableElement (XmlTypeMapping typeMap, bool isNullable)
 847                 {
 848                         Reader.MoveToContent ();
 849                         if (Reader.NodeType == XmlNodeType.Element)
 850                         {
 851                                 if (Reader.LocalName == typeMap.ElementName && Reader.NamespaceURI == typeMap.Namespace)
 852                                 {
 853                                         object ob = CreateInstance (typeMap.TypeData.Type, true);
 854                                         return ReadSerializable ((IXmlSerializable)ob);
 855                                 }
 856                                 else
 857                                         throw CreateUnknownNodeException ();
 858                         }
 859                         else
 860                         {
 861                                 UnknownNode (null);
 862                                 return null;
 863                         }
 864                 }
 865
 866                 class FixupCallbackInfo
 867                 {
 868                         XmlSerializationReaderInterpreter _sri;
 869                         ClassMap _map;
 870                         bool _isValueList;
 871
 872                         public FixupCallbackInfo (XmlSerializationReaderInterpreter sri, ClassMap map, bool isValueList)
 873                         {
 874                                 _sri = sri;
 875                                 _map = map;
 876                                 _isValueList = isValueList;
 877                         }
 878
 879                         public void FixupMembers (object fixup)
 880                         {
 881                                 _sri.FixupMembers (_map, fixup, _isValueList);
 882                         }
 883                 }
 884
 885                 class ReaderCallbackInfo
 886                 {
 887                         XmlSerializationReaderInterpreter _sri;
 888                         XmlTypeMapping _typeMap;
 889
 890                         public ReaderCallbackInfo (XmlSerializationReaderInterpreter sri, XmlTypeMapping typeMap)
 891                         {
 892                                 _sri = sri;
 893                                 _typeMap = typeMap;
 894                         }
 895
 896                         internal object ReadObject ()
 897                         {
 898                                 return _sri.ReadObject (_typeMap, true, true);
 899                         }
 900                 }
 901         }
 902 }