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

   1 //
   2 // XmlSerializer.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.Threading;
  33 using System.Collections;
  34 using System.Globalization;
  35 using System.IO;
  36 using System.Reflection;
  37 using System.Xml;
  38 using System.Xml.Schema;
  39 using System.Text;
  40 #if !TARGET_JVM
  41 using System.CodeDom;
  42 using System.CodeDom.Compiler;
  43 using Microsoft.CSharp;
  44 #endif
  45 using System.Configuration;
  46 using System.Security.Policy;
  47
  48 namespace System.Xml.Serialization
  49 {
  50
  51         public class XmlSerializer
  52         {
  53                 internal const string WsdlNamespace = "http://schemas.xmlsoap.org/wsdl/";
  54                 internal const string EncodingNamespace = "http://schemas.xmlsoap.org/soap/encoding/";
  55                 internal const string WsdlTypesNamespace = "http://microsoft.com/wsdl/types/";
  56                 static int generationThreshold;
  57                 static bool backgroundGeneration = true;
  58                 static bool deleteTempFiles = true;
  59                 static bool generatorFallback = true;
  60
  61                 bool customSerializer;
  62                 XmlMapping typeMapping;
  63
  64                 SerializerData serializerData;
  65
  66                 static Hashtable serializerTypes = new Hashtable ();
  67
  68                 internal class SerializerData
  69                 {
  70                         public int UsageCount;
  71                         public Type ReaderType;
  72                         public MethodInfo ReaderMethod;
  73                         public Type WriterType;
  74                         public MethodInfo WriterMethod;
  75                         public GenerationBatch Batch;
  76                         public IXmlSerializerImplementation Implementation = null;
  77
  78                         public XmlSerializationReader CreateReader () {
  79                                 if (ReaderType != null)
  80                                         return (XmlSerializationReader) Activator.CreateInstance (ReaderType);
  81                                 else if (Implementation != null)
  82                                         return Implementation.Reader;
  83                                 else
  84                                         return null;
  85                         }
  86
  87                         public XmlSerializationWriter CreateWriter () {
  88                                 if (WriterType != null)
  89                                         return (XmlSerializationWriter) Activator.CreateInstance (WriterType);
  90                                 else if (Implementation != null)
  91                                         return Implementation.Writer;
  92                                 else
  93                                         return null;
  94                         }
  95                 }
  96
  97                 internal class GenerationBatch
  98                 {
  99                         public bool Done;
 100                         public XmlMapping[] Maps;
 101                         public SerializerData[] Datas;
 102                 }
 103
 104                 static XmlSerializer ()
 105                 {
 106                         // The following options are available:
 107                         // MONO_XMLSERIALIZER_DEBUG: when set to something != "no", it will
 108                         //       it will print the name of the generated file, and it won't
 109                         //       be deleted.
 110                         // MONO_XMLSERIALIZER_THS: The code generator threshold. It can be:
 111                         //       no: does not use the generator, always the interpreter.
 112                         //       0: always use the generator, wait until the generation is done.
 113                         //       any number: use the interpreted serializer until the specified
 114                         //       number of serializations is reached. At this point the generation
 115                         //       of the serializer will start in the background. The interpreter
 116                         //       will be used while the serializer is being generated.
 117                         //
 118                         //       XmlSerializer will fall back to the interpreted serializer if
 119                         //       the code generation somehow fails. This can be avoided for
 120                         //       debugging pourposes by adding the "nofallback" option.
 121                         //       For example: MONO_XMLSERIALIZER_THS=0,nofallback
 122
 123 #if TARGET_JVM
 124                         string db = null;
 125                         string th = null;
 126                         generationThreshold = -1;
 127                         backgroundGeneration = false;
 128 #else
 129                         string db = Environment.GetEnvironmentVariable ("MONO_XMLSERIALIZER_DEBUG");
 130                         string th = Environment.GetEnvironmentVariable ("MONO_XMLSERIALIZER_THS");
 131
 132                         if (th == null) {
 133                                 generationThreshold = 50;
 134                                 backgroundGeneration = true;
 135                         } else {
 136                                 int i = th.IndexOf (',');
 137                                 if (i != -1) {
 138                                         if (th.Substring (i+1) == "nofallback")
 139                                                 generatorFallback = false;
 140                                         th = th.Substring (0, i);
 141                                 }
 142
 143                                 if (th.ToLower(CultureInfo.InvariantCulture) == "no")
 144                                         generationThreshold = -1;
 145                                 else {
 146                                         generationThreshold = int.Parse (th, CultureInfo.InvariantCulture);
 147                                         backgroundGeneration = (generationThreshold != 0);
 148                                         if (generationThreshold < 1) generationThreshold = 1;
 149                                 }
 150                         }
 151 #endif
 152                         deleteTempFiles = (db == null || db == "no");
 153
 154                         IDictionary table = (IDictionary) ConfigurationSettings.GetConfig("system.diagnostics");
 155                         if (table != null)
 156                         {
 157                                 table = (IDictionary) table["switches"];
 158                                 if (table != null)
 159                                 {
 160                                         string val = (string) table ["XmlSerialization.Compilation"];
 161                                         if (val == "1") deleteTempFiles = false;
 162                                 }
 163                         }
 164                 }
 165
 166 #region Constructors
 167
 168                 protected XmlSerializer ()
 169                 {
 170                         customSerializer = true;
 171                 }
 172
 173                 public XmlSerializer (Type type)
 174                         : this (type, null, null, null, null)
 175                 {
 176                 }
 177
 178                 public XmlSerializer (XmlTypeMapping xmlTypeMapping)
 179                 {
 180                         typeMapping = xmlTypeMapping;
 181                 }
 182
 183                 internal XmlSerializer (XmlMapping mapping, SerializerData data)
 184                 {
 185                         typeMapping = mapping;
 186                         serializerData = data;
 187                 }
 188
 189                 public XmlSerializer (Type type, string defaultNamespace)
 190                         : this (type, null, null, null, defaultNamespace)
 191                 {
 192                 }
 193
 194                 public XmlSerializer (Type type, Type[] extraTypes)
 195                         : this (type, null, extraTypes, null, null)
 196                 {
 197                 }
 198
 199                 public XmlSerializer (Type type, XmlAttributeOverrides overrides)
 200                         : this (type, overrides, null, null, null)
 201                 {
 202                 }
 203
 204                 public XmlSerializer (Type type, XmlRootAttribute root)
 205                         : this (type, null, null, root, null)
 206                 {
 207                 }
 208
 209                 public XmlSerializer (Type type,
 210                         XmlAttributeOverrides overrides,
 211                         Type [] extraTypes,
 212                         XmlRootAttribute root,
 213                         string defaultNamespace)
 214                 {
 215                         if (type == null)
 216                                 throw new ArgumentNullException ("type");
 217
 218                         XmlReflectionImporter importer = new XmlReflectionImporter (overrides, defaultNamespace);
 219
 220                         if (extraTypes != null)
 221                         {
 222                                 foreach (Type intype in extraTypes)
 223                                         importer.IncludeType (intype);
 224                         }
 225
 226                         typeMapping = importer.ImportTypeMapping (type, root, defaultNamespace);
 227                 }
 228
 229                 internal XmlMapping Mapping
 230                 {
 231                         get { return typeMapping; }
 232                 }
 233
 234 #if NET_2_0
 235
 236                 [MonoTODO]
 237                 public XmlSerializer (Type type,
 238                         XmlAttributeOverrides overrides,
 239                         Type [] extraTypes,
 240                         XmlRootAttribute root,
 241                         string defaultNamespace,
 242                         string location,
 243                         Evidence evidence)
 244                 {
 245                 }
 246 #endif
 247
 248 #endregion // Constructors
 249
 250 #region Events
 251
 252                 private XmlAttributeEventHandler onUnknownAttribute;
 253                 private XmlElementEventHandler onUnknownElement;
 254                 private XmlNodeEventHandler onUnknownNode;
 255                 private UnreferencedObjectEventHandler onUnreferencedObject;
 256
 257                 public event XmlAttributeEventHandler UnknownAttribute
 258                 {
 259                         add { onUnknownAttribute += value; } remove { onUnknownAttribute -= value; }
 260                 }
 261
 262                 public event XmlElementEventHandler UnknownElement
 263                 {
 264                         add { onUnknownElement += value; } remove { onUnknownElement -= value; }
 265                 }
 266
 267                 public event XmlNodeEventHandler UnknownNode
 268                 {
 269                         add { onUnknownNode += value; } remove { onUnknownNode -= value; }
 270                 }
 271
 272                 public event UnreferencedObjectEventHandler UnreferencedObject
 273                 {
 274                         add { onUnreferencedObject += value; } remove { onUnreferencedObject -= value; }
 275                 }
 276
 277
 278                 internal virtual void OnUnknownAttribute (XmlAttributeEventArgs e)
 279                 {
 280                         if (onUnknownAttribute != null) onUnknownAttribute(this, e);
 281                 }
 282
 283                 internal virtual void OnUnknownElement (XmlElementEventArgs e)
 284                 {
 285                         if (onUnknownElement != null) onUnknownElement(this, e);
 286                 }
 287
 288                 internal virtual void OnUnknownNode (XmlNodeEventArgs e)
 289                 {
 290                         if (onUnknownNode != null) onUnknownNode(this, e);
 291                 }
 292
 293                 internal virtual void OnUnreferencedObject (UnreferencedObjectEventArgs e)
 294                 {
 295                         if (onUnreferencedObject != null) onUnreferencedObject(this, e);
 296                 }
 297
 298
 299 #endregion // Events
 300
 301 #region Methods
 302
 303                 public virtual bool CanDeserialize (XmlReader xmlReader)
 304                 {
 305                         xmlReader.MoveToContent ();
 306                         if (typeMapping is XmlMembersMapping)
 307                                 return true;
 308                         else
 309                                 return ((XmlTypeMapping)typeMapping).ElementName == xmlReader.LocalName;
 310                 }
 311
 312                 protected virtual XmlSerializationReader CreateReader ()
 313                 {
 314                         // Must be implemented in derived class
 315                         throw new NotImplementedException ();
 316                 }
 317
 318                 protected virtual XmlSerializationWriter CreateWriter ()
 319                 {
 320                         // Must be implemented in derived class
 321                         throw new NotImplementedException ();
 322                 }
 323
 324                 public object Deserialize (Stream stream)
 325                 {
 326                         XmlTextReader xmlReader = new XmlTextReader(stream);
 327                         xmlReader.Normalization = true;
 328                         return Deserialize(xmlReader);
 329                 }
 330
 331                 public object Deserialize (TextReader textReader)
 332                 {
 333                         XmlTextReader xmlReader = new XmlTextReader(textReader);
 334                         xmlReader.Normalization = true;
 335                         return Deserialize(xmlReader);
 336                 }
 337
 338                 public object Deserialize (XmlReader xmlReader)
 339                 {
 340                         XmlSerializationReader xsReader;
 341                         if (customSerializer)
 342                                 xsReader = CreateReader ();
 343                         else
 344                                 xsReader = CreateReader (typeMapping);
 345
 346                         xsReader.Initialize (xmlReader, this);
 347                         return Deserialize (xsReader);
 348                 }
 349
 350                 protected virtual object Deserialize (XmlSerializationReader reader)
 351                 {
 352                         if (customSerializer)
 353                                 // Must be implemented in derived class
 354                                 throw new NotImplementedException ();
 355
 356                         try {
 357                                 if (reader is XmlSerializationReaderInterpreter)
 358                                         return ((XmlSerializationReaderInterpreter) reader).ReadRoot ();
 359                                 else
 360                                         return serializerData.ReaderMethod.Invoke (reader, null);
 361                         } catch (Exception ex) {
 362                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 363                                         throw new InvalidOperationException ("There was an error generating" +
 364                                                 " the XML document.", ex);
 365                                 throw;
 366                         }
 367                 }
 368
 369                 public static XmlSerializer [] FromMappings (XmlMapping [] mappings)
 370                 {
 371                         XmlSerializer[] sers = new XmlSerializer [mappings.Length];
 372                         SerializerData[] datas = new SerializerData [mappings.Length];
 373                         GenerationBatch batch = new GenerationBatch ();
 374                         batch.Maps = mappings;
 375                         batch.Datas = datas;
 376
 377                         for (int n=0; n<mappings.Length; n++)
 378                         {
 379                                 if (mappings[n] != null)
 380                                 {
 381                                         SerializerData data = new SerializerData ();
 382                                         data.Batch = batch;
 383                                         sers[n] = new XmlSerializer (mappings[n], data);
 384                                         datas[n] = data;
 385                                 }
 386                         }
 387
 388                         return sers;
 389                 }
 390
 391                 public static XmlSerializer [] FromTypes (Type [] mappings)
 392                 {
 393                         XmlSerializer [] sers = new XmlSerializer [mappings.Length];
 394                         for (int n=0; n<mappings.Length; n++)
 395                                 sers[n] = new XmlSerializer (mappings[n]);
 396                         return sers;
 397                 }
 398
 399                 protected virtual void Serialize (object o, XmlSerializationWriter writer)
 400                 {
 401                         if (customSerializer)
 402                                 // Must be implemented in derived class
 403                                 throw new NotImplementedException ();
 404
 405                         if (writer is XmlSerializationWriterInterpreter)
 406                                 ((XmlSerializationWriterInterpreter)writer).WriteRoot (o);
 407                         else
 408                                 serializerData.WriterMethod.Invoke (writer, new object[] {o});
 409                 }
 410
 411                 public void Serialize (Stream stream, object o)
 412                 {
 413                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, System.Text.Encoding.Default);
 414                         xmlWriter.Formatting = Formatting.Indented;
 415                         Serialize (xmlWriter, o, null);
 416                 }
 417
 418                 public void Serialize (TextWriter textWriter, object o)
 419                 {
 420                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 421                         xmlWriter.Formatting = Formatting.Indented;
 422                         Serialize (xmlWriter, o, null);
 423                 }
 424
 425                 public void Serialize (XmlWriter xmlWriter, object o)
 426                 {
 427                         Serialize (xmlWriter, o, null);
 428                 }
 429
 430                 public void Serialize (Stream stream, object o, XmlSerializerNamespaces namespaces)
 431                 {
 432                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, System.Text.Encoding.Default);
 433                         xmlWriter.Formatting = Formatting.Indented;
 434                         Serialize (xmlWriter, o, namespaces);
 435                 }
 436
 437                 public void Serialize (TextWriter textWriter, object o, XmlSerializerNamespaces namespaces)
 438                 {
 439                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 440                         xmlWriter.Formatting = Formatting.Indented;
 441                         Serialize (xmlWriter, o, namespaces);
 442                         xmlWriter.Flush();
 443                 }
 444
 445                 public void Serialize (XmlWriter writer, object o, XmlSerializerNamespaces namespaces)
 446                 {
 447                         XmlSerializationWriter xsWriter;
 448
 449                         try {
 450                                 if (customSerializer)
 451                                         xsWriter = CreateWriter ();
 452                                 else
 453                                         xsWriter = CreateWriter (typeMapping);
 454
 455                                 if (namespaces == null || namespaces.Count == 0) {
 456                                         namespaces = new XmlSerializerNamespaces ();
 457                                         namespaces.Add ("xsd", XmlSchema.Namespace);
 458                                         namespaces.Add ("xsi", XmlSchema.InstanceNamespace);
 459                                 }
 460
 461                                 xsWriter.Initialize (writer, namespaces);
 462                                 Serialize (o, xsWriter);
 463                                 writer.Flush ();
 464                         } catch (Exception ex) {
 465                                 if (ex is TargetInvocationException)
 466                                         ex = ex.InnerException;
 467
 468                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 469                                         throw new InvalidOperationException ("There was an error generating" +
 470                                                 " the XML document.", ex);
 471
 472                                 throw;
 473                         }
 474                 }
 475
 476 #if NET_2_0
 477
 478                 [MonoTODO]
 479                 public object Deserialize (XmlReader xmlReader, string encodingStyle, XmlDeserializationEvents events)
 480                 {
 481                         throw new NotImplementedException ();
 482                 }
 483
 484                 [MonoTODO]
 485                 public object Deserialize (XmlReader xmlReader, string encodingStyle)
 486                 {
 487                         throw new NotImplementedException ();
 488                 }
 489
 490                 [MonoTODO]
 491                 public object Deserialize (XmlReader xmlReader, XmlDeserializationEvents events)
 492                 {
 493                         throw new NotImplementedException ();
 494                 }
 495
 496                 [MonoTODO]
 497                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Evidence evidence)
 498                 {
 499                         throw new NotImplementedException ();
 500                 }
 501
 502                 [MonoTODO]
 503                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Type type)
 504                 {
 505                         throw new NotImplementedException ();
 506                 }
 507
 508                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings)
 509                 {
 510                         return GenerateSerializer (types, mappings, null);
 511                 }
 512
 513                 [MonoTODO]
 514                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings, CompilerParameters parameters)
 515                 {
 516                         GenerationBatch batch = new GenerationBatch ();
 517                         batch.Maps = mappings;
 518                         batch.Datas = new SerializerData [mappings.Length];
 519
 520                         for (int n=0; n<mappings.Length; n++) {
 521                                 SerializerData data = new SerializerData ();
 522                                 data.Batch = batch;
 523                                 batch.Datas [n] = data;
 524                         }
 525
 526                         return GenerateSerializers (batch, parameters);
 527                 }
 528
 529                 [MonoTODO]
 530                 [Obsolete]
 531                 public static Assembly GenerateSerializer (Type[] types,
 532                         XmlMapping[] mappings,
 533                         string codePath,
 534                         bool debug,
 535                         bool keepFiles)
 536                 {
 537                         throw new NotImplementedException ();
 538                 }
 539
 540                 [MonoTODO]
 541                 [Obsolete]
 542                 public static Assembly GenerateSerializer (Type[] types,
 543                         XmlMapping[] mappings,
 544                         string codePath,
 545                         bool debug,
 546                         bool keepFiles,
 547                         string compilerOptions)
 548                 {
 549                         throw new NotImplementedException ();
 550                 }
 551
 552                 public static string GetXmlSerializerAssemblyName (Type type)
 553                 {
 554                         return type.Assembly.GetName().Name + ".XmlSerializers";
 555                 }
 556
 557                 public static string GetXmlSerializerAssemblyName (Type type, string defaultNamespace)
 558                 {
 559                         return GetXmlSerializerAssemblyName (type) + "." + defaultNamespace.GetHashCode ();
 560                 }
 561
 562                 [MonoTODO]
 563                 public void Serialize (XmlWriter xmlWriter, object o, XmlSerializerNamespaces namespaces, string encodingStyle)
 564                 {
 565                         throw new NotImplementedException ();
 566                 }
 567
 568 #endif
 569
 570                 XmlSerializationWriter CreateWriter (XmlMapping typeMapping)
 571                 {
 572                         XmlSerializationWriter writer;
 573
 574                         lock (this) {
 575                                 if (serializerData != null) {
 576                                         lock (serializerData) {
 577                                                 writer = serializerData.CreateWriter ();
 578                                         }
 579                                         if (writer != null) return writer;
 580                                 }
 581                         }
 582
 583                         if (!typeMapping.Source.CanBeGenerated || generationThreshold == -1)
 584                                 return new XmlSerializationWriterInterpreter (typeMapping);
 585
 586                         CheckGeneratedTypes (typeMapping);
 587
 588                         lock (this) {
 589                                 lock (serializerData) {
 590                                         writer = serializerData.CreateWriter ();
 591                                 }
 592                                 if (writer != null) return writer;
 593                                 if (!generatorFallback)
 594                                         throw new InvalidOperationException ("Error while generating serializer");
 595                         }
 596
 597                         return new XmlSerializationWriterInterpreter (typeMapping);
 598                 }
 599
 600                 XmlSerializationReader CreateReader (XmlMapping typeMapping)
 601                 {
 602                         XmlSerializationReader reader;
 603
 604                         lock (this) {
 605                                 if (serializerData != null) {
 606                                         lock (serializerData) {
 607                                                 reader = serializerData.CreateReader ();
 608                                         }
 609                                         if (reader != null) return reader;
 610                                 }
 611                         }
 612
 613                         if (!typeMapping.Source.CanBeGenerated || generationThreshold == -1)
 614                                 return new XmlSerializationReaderInterpreter (typeMapping);
 615
 616                         CheckGeneratedTypes (typeMapping);
 617
 618                         lock (this) {
 619                                 lock (serializerData) {
 620                                         reader = serializerData.CreateReader ();
 621                                 }
 622                                 if (reader != null) return reader;
 623                                 if (!generatorFallback)
 624                                         throw new InvalidOperationException ("Error while generating serializer");
 625                         }
 626
 627                         return new XmlSerializationReaderInterpreter (typeMapping);
 628                 }
 629
 630 #if TARGET_JVM
 631                 void CheckGeneratedTypes (XmlMapping typeMapping)
 632                 {
 633                         throw new NotImplementedException();
 634                 }
 635                 void GenerateSerializersAsync (GenerationBatch batch)
 636                 {
 637                         throw new NotImplementedException();
 638                 }
 639                 void RunSerializerGeneration (object obj)
 640                 {
 641                         throw new NotImplementedException();
 642                 }
 643 #else
 644                 void CheckGeneratedTypes (XmlMapping typeMapping)
 645                 {
 646                         lock (this)
 647                         {
 648                                 if (serializerData == null)
 649                                 {
 650                                         lock (serializerTypes)
 651                                         {
 652                                                 serializerData = (SerializerData) serializerTypes [typeMapping.Source];
 653                                                 if (serializerData == null) {
 654                                                         serializerData = new SerializerData();
 655                                                         serializerTypes [typeMapping.Source] = serializerData;
 656                                                 }
 657                                         }
 658                                 }
 659                         }
 660
 661                         bool generate = false;
 662                         lock (serializerData)
 663                         {
 664                                 generate = (++serializerData.UsageCount == generationThreshold);
 665                         }
 666
 667                         if (generate)
 668                         {
 669                                 if (serializerData.Batch != null)
 670                                         GenerateSerializersAsync (serializerData.Batch);
 671                                 else
 672                                 {
 673                                         GenerationBatch batch = new GenerationBatch ();
 674                                         batch.Maps = new XmlMapping[] {typeMapping};
 675                                         batch.Datas = new SerializerData[] {serializerData};
 676                                         GenerateSerializersAsync (batch);
 677                                 }
 678                         }
 679                 }
 680
 681                 void GenerateSerializersAsync (GenerationBatch batch)
 682                 {
 683                         if (batch.Maps.Length != batch.Datas.Length)
 684                                 throw new ArgumentException ("batch");
 685
 686                         lock (batch)
 687                         {
 688                                 if (batch.Done) return;
 689                                 batch.Done = true;
 690                         }
 691
 692                         if (backgroundGeneration)
 693                                 ThreadPool.QueueUserWorkItem (new WaitCallback (RunSerializerGeneration), batch);
 694                         else
 695                                 RunSerializerGeneration (batch);
 696                 }
 697
 698                 void RunSerializerGeneration (object obj)
 699                 {
 700                         try
 701                         {
 702                                 GenerationBatch batch = (GenerationBatch) obj;
 703                                 batch = LoadFromSatelliteAssembly (batch);
 704
 705                                 if (batch != null)
 706                                         GenerateSerializers (batch, null);
 707                         }
 708                         catch (Exception ex)
 709                         {
 710                                 Console.WriteLine (ex);
 711                         }
 712                 }
 713
 714                 static Assembly GenerateSerializers (GenerationBatch batch, CompilerParameters cp)
 715                 {
 716                         DateTime tim = DateTime.Now;
 717
 718                         XmlMapping[] maps = batch.Maps;
 719
 720                         if (cp == null) {
 721                                 cp = new CompilerParameters();
 722                                 cp.IncludeDebugInformation = false;
 723                                 cp.GenerateInMemory = true;
 724                                 cp.TempFiles.KeepFiles = !deleteTempFiles;
 725                         }
 726
 727                         string file = cp.TempFiles.AddExtension ("cs");
 728                         StreamWriter sw = new StreamWriter (file);
 729
 730                         if (!deleteTempFiles)
 731                                 Console.WriteLine ("Generating " + file);
 732
 733                         SerializationCodeGenerator gen = new SerializationCodeGenerator (maps);
 734
 735                         try
 736                         {
 737                                 gen.GenerateSerializers (sw);
 738                         }
 739                         catch (Exception ex)
 740                         {
 741                                 Console.WriteLine ("Serializer could not be generated");
 742                                 Console.WriteLine (ex);
 743                                 cp.TempFiles.Delete ();
 744                                 return null;
 745                         }
 746                         sw.Close ();
 747
 748                         CSharpCodeProvider provider = new CSharpCodeProvider();
 749                         ICodeCompiler comp = provider.CreateCompiler ();
 750
 751                         cp.GenerateExecutable = false;
 752
 753                         foreach (Type rtype in gen.ReferencedTypes)
 754                         {
 755                                 if (!cp.ReferencedAssemblies.Contains (rtype.Assembly.Location))
 756                                         cp.ReferencedAssemblies.Add (rtype.Assembly.Location);
 757                         }
 758
 759                         if (!cp.ReferencedAssemblies.Contains ("System.dll"))
 760                                 cp.ReferencedAssemblies.Add ("System.dll");
 761                         if (!cp.ReferencedAssemblies.Contains ("System.Xml"))
 762                                 cp.ReferencedAssemblies.Add ("System.Xml");
 763                         if (!cp.ReferencedAssemblies.Contains ("System.Data"))
 764                                 cp.ReferencedAssemblies.Add ("System.Data");
 765
 766                         CompilerResults res = comp.CompileAssemblyFromFile (cp, file);
 767                         if (res.Errors.HasErrors || res.CompiledAssembly == null) {
 768                                 Console.WriteLine ("Error while compiling generated serializer");
 769                                 foreach (CompilerError error in res.Errors)
 770                                         Console.WriteLine (error);
 771
 772                                 cp.TempFiles.Delete ();
 773                                 return null;
 774                         }
 775
 776                         GenerationResult[] results = gen.GenerationResults;
 777                         for (int n=0; n<results.Length; n++)
 778                         {
 779                                 GenerationResult gres = results[n];
 780                                 SerializerData sd = batch.Datas [n];
 781                                 lock (sd)
 782                                 {
 783                                         sd.WriterType = res.CompiledAssembly.GetType (gres.Namespace + "." + gres.WriterClassName);
 784                                         sd.ReaderType = res.CompiledAssembly.GetType (gres.Namespace + "." + gres.ReaderClassName);
 785                                         sd.WriterMethod = sd.WriterType.GetMethod (gres.WriteMethodName);
 786                                         sd.ReaderMethod = sd.ReaderType.GetMethod (gres.ReadMethodName);
 787                                         sd.Batch = null;
 788                                 }
 789                         }
 790
 791                         cp.TempFiles.Delete ();
 792
 793                         if (!deleteTempFiles)
 794                                 Console.WriteLine ("Generation finished - " + (DateTime.Now - tim).TotalMilliseconds + " ms");
 795
 796                         return res.CompiledAssembly;
 797                 }
 798 #endif
 799
 800 #if NET_2_0
 801                 GenerationBatch LoadFromSatelliteAssembly (GenerationBatch batch)
 802                 {
 803                         return batch;
 804                 }
 805 #else
 806                 GenerationBatch LoadFromSatelliteAssembly (GenerationBatch batch)
 807                 {
 808                         return batch;
 809                 }
 810 #endif
 811
 812 #endregion // Methods
 813         }
 814 }