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 XmlSerializerImplementation 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 #if NET_2_0
 327                         var s = new XmlReaderSettings () { IgnoreWhitespace = true };
 328                         return Deserialize (XmlReader.Create (stream, s));
 329 #else
 330                         XmlTextReader xmlReader = new XmlTextReader(stream);
 331                         xmlReader.Normalization = true;
 332                         xmlReader.WhitespaceHandling = WhitespaceHandling.Significant;
 333                         return Deserialize(xmlReader);
 334 #endif
 335                 }
 336
 337                 public object Deserialize (TextReader textReader)
 338                 {
 339 #if NET_2_0
 340                         var s = new XmlReaderSettings () { IgnoreWhitespace = true };
 341                         return Deserialize (XmlReader.Create (textReader, s));
 342 #else
 343                         XmlTextReader xmlReader = new XmlTextReader(textReader);
 344                         xmlReader.Normalization = true;
 345                         xmlReader.WhitespaceHandling = WhitespaceHandling.Significant;
 346                         return Deserialize(xmlReader);
 347 #endif
 348                 }
 349
 350                 public object Deserialize (XmlReader xmlReader)
 351                 {
 352                         XmlSerializationReader xsReader;
 353                         if (customSerializer)
 354                                 xsReader = CreateReader ();
 355                         else
 356                                 xsReader = CreateReader (typeMapping);
 357
 358                         xsReader.Initialize (xmlReader, this);
 359                         return Deserialize (xsReader);
 360                 }
 361
 362                 protected virtual object Deserialize (XmlSerializationReader reader)
 363                 {
 364                         if (customSerializer)
 365                                 // Must be implemented in derived class
 366                                 throw new NotImplementedException ();
 367
 368                         try {
 369                                 if (reader is XmlSerializationReaderInterpreter)
 370                                         return ((XmlSerializationReaderInterpreter) reader).ReadRoot ();
 371                                 else
 372                                         return serializerData.ReaderMethod.Invoke (reader, null);
 373                         } catch (Exception ex) {
 374                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 375                                         throw new InvalidOperationException ("There is an error in"
 376                                                 + " XML document.", ex);
 377                                 throw;
 378                         }
 379                 }
 380
 381                 public static XmlSerializer [] FromMappings (XmlMapping [] mappings)
 382                 {
 383                         XmlSerializer[] sers = new XmlSerializer [mappings.Length];
 384                         SerializerData[] datas = new SerializerData [mappings.Length];
 385                         GenerationBatch batch = new GenerationBatch ();
 386                         batch.Maps = mappings;
 387                         batch.Datas = datas;
 388
 389                         for (int n=0; n<mappings.Length; n++)
 390                         {
 391                                 if (mappings[n] != null)
 392                                 {
 393                                         SerializerData data = new SerializerData ();
 394                                         data.Batch = batch;
 395                                         sers[n] = new XmlSerializer (mappings[n], data);
 396                                         datas[n] = data;
 397                                 }
 398                         }
 399
 400                         return sers;
 401                 }
 402
 403                 public static XmlSerializer [] FromTypes (Type [] mappings)
 404                 {
 405                         XmlSerializer [] sers = new XmlSerializer [mappings.Length];
 406                         for (int n=0; n<mappings.Length; n++)
 407                                 sers[n] = new XmlSerializer (mappings[n]);
 408                         return sers;
 409                 }
 410
 411                 protected virtual void Serialize (object o, XmlSerializationWriter writer)
 412                 {
 413                         if (customSerializer)
 414                                 // Must be implemented in derived class
 415                                 throw new NotImplementedException ();
 416
 417                         if (writer is XmlSerializationWriterInterpreter)
 418                                 ((XmlSerializationWriterInterpreter)writer).WriteRoot (o);
 419                         else
 420                                 serializerData.WriterMethod.Invoke (writer, new object[] {o});
 421                 }
 422
 423                 public void Serialize (Stream stream, object o)
 424                 {
 425                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, System.Text.Encoding.Default);
 426                         xmlWriter.Formatting = Formatting.Indented;
 427                         Serialize (xmlWriter, o, null);
 428                 }
 429
 430                 public void Serialize (TextWriter textWriter, object o)
 431                 {
 432                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 433                         xmlWriter.Formatting = Formatting.Indented;
 434                         Serialize (xmlWriter, o, null);
 435                 }
 436
 437                 public void Serialize (XmlWriter xmlWriter, object o)
 438                 {
 439                         Serialize (xmlWriter, o, null);
 440                 }
 441
 442                 public void Serialize (Stream stream, object o, XmlSerializerNamespaces namespaces)
 443                 {
 444                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, System.Text.Encoding.Default);
 445                         xmlWriter.Formatting = Formatting.Indented;
 446                         Serialize (xmlWriter, o, namespaces);
 447                 }
 448
 449                 public void Serialize (TextWriter textWriter, object o, XmlSerializerNamespaces namespaces)
 450                 {
 451                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 452                         xmlWriter.Formatting = Formatting.Indented;
 453                         Serialize (xmlWriter, o, namespaces);
 454                         xmlWriter.Flush();
 455                 }
 456
 457                 public void Serialize (XmlWriter writer, object o, XmlSerializerNamespaces namespaces)
 458                 {
 459                         XmlSerializationWriter xsWriter;
 460
 461                         try {
 462                                 if (customSerializer)
 463                                         xsWriter = CreateWriter ();
 464                                 else
 465                                         xsWriter = CreateWriter (typeMapping);
 466
 467                                 if (namespaces == null || namespaces.Count == 0) {
 468                                         namespaces = new XmlSerializerNamespaces ();
 469 #if NET_2_0
 470                                         namespaces.Add ("xsi", XmlSchema.InstanceNamespace);
 471                                         namespaces.Add ("xsd", XmlSchema.Namespace);
 472 #else
 473                                         namespaces.Add ("xsd", XmlSchema.Namespace);
 474                                         namespaces.Add ("xsi", XmlSchema.InstanceNamespace);
 475 #endif
 476                                 }
 477
 478                                 xsWriter.Initialize (writer, namespaces);
 479                                 Serialize (o, xsWriter);
 480                                 writer.Flush ();
 481                         } catch (Exception ex) {
 482                                 if (ex is TargetInvocationException)
 483                                         ex = ex.InnerException;
 484
 485                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 486                                         throw new InvalidOperationException ("There was an error generating" +
 487                                                 " the XML document.", ex);
 488
 489                                 throw;
 490                         }
 491                 }
 492
 493 #if NET_2_0
 494
 495                 [MonoTODO]
 496                 public object Deserialize (XmlReader xmlReader, string encodingStyle, XmlDeserializationEvents events)
 497                 {
 498                         throw new NotImplementedException ();
 499                 }
 500
 501                 [MonoTODO]
 502                 public object Deserialize (XmlReader xmlReader, string encodingStyle)
 503                 {
 504                         throw new NotImplementedException ();
 505                 }
 506
 507                 [MonoTODO]
 508                 public object Deserialize (XmlReader xmlReader, XmlDeserializationEvents events)
 509                 {
 510                         throw new NotImplementedException ();
 511                 }
 512
 513                 [MonoTODO]
 514                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Evidence evidence)
 515                 {
 516                         throw new NotImplementedException ();
 517                 }
 518
 519                 [MonoTODO]
 520                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Type type)
 521                 {
 522                         throw new NotImplementedException ();
 523                 }
 524
 525 #if !TARGET_JVM
 526                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings)
 527                 {
 528                         return GenerateSerializer (types, mappings, null);
 529                 }
 530
 531                 [MonoTODO]
 532                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings, CompilerParameters parameters)
 533                 {
 534                         GenerationBatch batch = new GenerationBatch ();
 535                         batch.Maps = mappings;
 536                         batch.Datas = new SerializerData [mappings.Length];
 537
 538                         for (int n=0; n<mappings.Length; n++) {
 539                                 SerializerData data = new SerializerData ();
 540                                 data.Batch = batch;
 541                                 batch.Datas [n] = data;
 542                         }
 543
 544                         return GenerateSerializers (batch, parameters);
 545                 }
 546 #endif
 547
 548                 public static string GetXmlSerializerAssemblyName (Type type)
 549                 {
 550                         return type.Assembly.GetName().Name + ".XmlSerializers";
 551                 }
 552
 553                 public static string GetXmlSerializerAssemblyName (Type type, string defaultNamespace)
 554                 {
 555                         return GetXmlSerializerAssemblyName (type) + "." + defaultNamespace.GetHashCode ();
 556                 }
 557
 558                 [MonoTODO]
 559                 public void Serialize (XmlWriter xmlWriter, object o, XmlSerializerNamespaces namespaces, string encodingStyle)
 560                 {
 561                         throw new NotImplementedException ();
 562                 }
 563
 564                 [MonoNotSupported("")]
 565                 public void Serialize (XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, string encodingStyle, string id)
 566                 {
 567                         throw new NotImplementedException ();
 568                 }
 569 #endif
 570
 571                 XmlSerializationWriter CreateWriter (XmlMapping typeMapping)
 572                 {
 573                         XmlSerializationWriter writer;
 574
 575                         lock (this) {
 576                                 if (serializerData != null) {
 577                                         lock (serializerData) {
 578                                                 writer = serializerData.CreateWriter ();
 579                                         }
 580                                         if (writer != null) return writer;
 581                                 }
 582                         }
 583
 584                         if (!typeMapping.Source.CanBeGenerated || generationThreshold == -1)
 585                                 return new XmlSerializationWriterInterpreter (typeMapping);
 586
 587                         CheckGeneratedTypes (typeMapping);
 588
 589                         lock (this) {
 590                                 lock (serializerData) {
 591                                         writer = serializerData.CreateWriter ();
 592                                 }
 593                                 if (writer != null) return writer;
 594                                 if (!generatorFallback)
 595                                         throw new InvalidOperationException ("Error while generating serializer");
 596                         }
 597
 598                         return new XmlSerializationWriterInterpreter (typeMapping);
 599                 }
 600
 601                 XmlSerializationReader CreateReader (XmlMapping typeMapping)
 602                 {
 603                         XmlSerializationReader reader;
 604
 605                         lock (this) {
 606                                 if (serializerData != null) {
 607                                         lock (serializerData) {
 608                                                 reader = serializerData.CreateReader ();
 609                                         }
 610                                         if (reader != null) return reader;
 611                                 }
 612                         }
 613
 614                         if (!typeMapping.Source.CanBeGenerated || generationThreshold == -1)
 615                                 return new XmlSerializationReaderInterpreter (typeMapping);
 616
 617                         CheckGeneratedTypes (typeMapping);
 618
 619                         lock (this) {
 620                                 lock (serializerData) {
 621                                         reader = serializerData.CreateReader ();
 622                                 }
 623                                 if (reader != null) return reader;
 624                                 if (!generatorFallback)
 625                                         throw new InvalidOperationException ("Error while generating serializer");
 626                         }
 627
 628                         return new XmlSerializationReaderInterpreter (typeMapping);
 629                 }
 630
 631 #if TARGET_JVM
 632                 void CheckGeneratedTypes (XmlMapping typeMapping)
 633                 {
 634                         throw new NotImplementedException();
 635                 }
 636                 void GenerateSerializersAsync (GenerationBatch batch)
 637                 {
 638                         throw new NotImplementedException();
 639                 }
 640                 void RunSerializerGeneration (object obj)
 641                 {
 642                         throw new NotImplementedException();
 643                 }
 644 #else
 645                 void CheckGeneratedTypes (XmlMapping typeMapping)
 646                 {
 647                         lock (this)
 648                         {
 649                                 if (serializerData == null)
 650                                 {
 651                                         lock (serializerTypes)
 652                                         {
 653                                                 serializerData = (SerializerData) serializerTypes [typeMapping.Source];
 654                                                 if (serializerData == null) {
 655                                                         serializerData = new SerializerData();
 656                                                         serializerTypes [typeMapping.Source] = serializerData;
 657                                                 }
 658                                         }
 659                                 }
 660                         }
 661
 662                         bool generate = false;
 663                         lock (serializerData)
 664                         {
 665                                 generate = (++serializerData.UsageCount == generationThreshold);
 666                         }
 667
 668                         if (generate)
 669                         {
 670                                 if (serializerData.Batch != null)
 671                                         GenerateSerializersAsync (serializerData.Batch);
 672                                 else
 673                                 {
 674                                         GenerationBatch batch = new GenerationBatch ();
 675                                         batch.Maps = new XmlMapping[] {typeMapping};
 676                                         batch.Datas = new SerializerData[] {serializerData};
 677                                         GenerateSerializersAsync (batch);
 678                                 }
 679                         }
 680                 }
 681
 682                 void GenerateSerializersAsync (GenerationBatch batch)
 683                 {
 684                         if (batch.Maps.Length != batch.Datas.Length)
 685                                 throw new ArgumentException ("batch");
 686
 687                         lock (batch)
 688                         {
 689                                 if (batch.Done) return;
 690                                 batch.Done = true;
 691                         }
 692
 693                         if (backgroundGeneration)
 694                                 ThreadPool.QueueUserWorkItem (new WaitCallback (RunSerializerGeneration), batch);
 695                         else
 696                                 RunSerializerGeneration (batch);
 697                 }
 698
 699                 void RunSerializerGeneration (object obj)
 700                 {
 701                         try
 702                         {
 703                                 GenerationBatch batch = (GenerationBatch) obj;
 704                                 batch = LoadFromSatelliteAssembly (batch);
 705
 706                                 if (batch != null)
 707                                         GenerateSerializers (batch, null);
 708                         }
 709                         catch (Exception ex)
 710                         {
 711                                 Console.WriteLine (ex);
 712                         }
 713                 }
 714
 715                 static Assembly GenerateSerializers (GenerationBatch batch, CompilerParameters cp)
 716                 {
 717                         DateTime tim = DateTime.Now;
 718
 719                         XmlMapping[] maps = batch.Maps;
 720
 721                         if (cp == null) {
 722                                 cp = new CompilerParameters();
 723                                 cp.IncludeDebugInformation = false;
 724                                 cp.GenerateInMemory = true;
 725                                 cp.TempFiles.KeepFiles = !deleteTempFiles;
 726                         }
 727
 728                         string file = cp.TempFiles.AddExtension ("cs");
 729                         StreamWriter sw = new StreamWriter (file);
 730
 731                         if (!deleteTempFiles)
 732                                 Console.WriteLine ("Generating " + file);
 733
 734                         SerializationCodeGenerator gen = new SerializationCodeGenerator (maps);
 735
 736                         try
 737                         {
 738                                 gen.GenerateSerializers (sw);
 739                         }
 740                         catch (Exception ex)
 741                         {
 742                                 Console.WriteLine ("Serializer could not be generated");
 743                                 Console.WriteLine (ex);
 744                                 cp.TempFiles.Delete ();
 745                                 return null;
 746                         }
 747                         sw.Close ();
 748
 749                         CSharpCodeProvider provider = new CSharpCodeProvider();
 750                         ICodeCompiler comp = provider.CreateCompiler ();
 751
 752                         cp.GenerateExecutable = false;
 753
 754                         foreach (Type rtype in gen.ReferencedTypes)
 755                         {
 756                                 if (!cp.ReferencedAssemblies.Contains (rtype.Assembly.Location))
 757                                         cp.ReferencedAssemblies.Add (rtype.Assembly.Location);
 758                         }
 759
 760                         if (!cp.ReferencedAssemblies.Contains ("System.dll"))
 761                                 cp.ReferencedAssemblies.Add ("System.dll");
 762                         if (!cp.ReferencedAssemblies.Contains ("System.Xml"))
 763                                 cp.ReferencedAssemblies.Add ("System.Xml");
 764                         if (!cp.ReferencedAssemblies.Contains ("System.Data"))
 765                                 cp.ReferencedAssemblies.Add ("System.Data");
 766
 767                         CompilerResults res = comp.CompileAssemblyFromFile (cp, file);
 768                         if (res.Errors.HasErrors || res.CompiledAssembly == null) {
 769                                 Console.WriteLine ("Error while compiling generated serializer");
 770                                 foreach (CompilerError error in res.Errors)
 771                                         Console.WriteLine (error);
 772
 773                                 cp.TempFiles.Delete ();
 774                                 return null;
 775                         }
 776
 777                         GenerationResult[] results = gen.GenerationResults;
 778                         for (int n=0; n<results.Length; n++)
 779                         {
 780                                 GenerationResult gres = results[n];
 781                                 SerializerData sd = batch.Datas [n];
 782                                 lock (sd)
 783                                 {
 784                                         sd.WriterType = res.CompiledAssembly.GetType (gres.Namespace + "." + gres.WriterClassName);
 785                                         sd.ReaderType = res.CompiledAssembly.GetType (gres.Namespace + "." + gres.ReaderClassName);
 786                                         sd.WriterMethod = sd.WriterType.GetMethod (gres.WriteMethodName);
 787                                         sd.ReaderMethod = sd.ReaderType.GetMethod (gres.ReadMethodName);
 788                                         sd.Batch = null;
 789                                 }
 790                         }
 791
 792                         cp.TempFiles.Delete ();
 793
 794                         if (!deleteTempFiles)
 795                                 Console.WriteLine ("Generation finished - " + (DateTime.Now - tim).TotalMilliseconds + " ms");
 796
 797                         return res.CompiledAssembly;
 798                 }
 799 #endif
 800
 801 #if NET_2_0
 802                 GenerationBatch LoadFromSatelliteAssembly (GenerationBatch batch)
 803                 {
 804                         return batch;
 805                 }
 806 #else
 807                 GenerationBatch LoadFromSatelliteAssembly (GenerationBatch batch)
 808                 {
 809                         return batch;
 810                 }
 811 #endif
 812
 813 #endregion // Methods
 814         }
 815 }