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 !NET_2_1
  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 NET_2_1
 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 #if !NET_2_1
 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 #endif
 165                 }
 166
 167 #region Constructors
 168
 169                 protected XmlSerializer ()
 170                 {
 171                         customSerializer = true;
 172                 }
 173
 174                 public XmlSerializer (Type type)
 175                         : this (type, null, null, null, null)
 176                 {
 177                 }
 178
 179                 public XmlSerializer (XmlTypeMapping xmlTypeMapping)
 180                 {
 181                         typeMapping = xmlTypeMapping;
 182                 }
 183
 184                 internal XmlSerializer (XmlMapping mapping, SerializerData data)
 185                 {
 186                         typeMapping = mapping;
 187                         serializerData = data;
 188                 }
 189
 190                 public XmlSerializer (Type type, string defaultNamespace)
 191                         : this (type, null, null, null, defaultNamespace)
 192                 {
 193                 }
 194
 195                 public XmlSerializer (Type type, Type[] extraTypes)
 196                         : this (type, null, extraTypes, null, null)
 197                 {
 198                 }
 199
 200                 public XmlSerializer (Type type, XmlAttributeOverrides overrides)
 201                         : this (type, overrides, null, null, null)
 202                 {
 203                 }
 204
 205                 public XmlSerializer (Type type, XmlRootAttribute root)
 206                         : this (type, null, null, root, null)
 207                 {
 208                 }
 209
 210                 public XmlSerializer (Type type,
 211                         XmlAttributeOverrides overrides,
 212                         Type [] extraTypes,
 213                         XmlRootAttribute root,
 214                         string defaultNamespace)
 215                 {
 216                         if (type == null)
 217                                 throw new ArgumentNullException ("type");
 218
 219                         XmlReflectionImporter importer = new XmlReflectionImporter (overrides, defaultNamespace);
 220
 221                         if (extraTypes != null)
 222                         {
 223                                 foreach (Type intype in extraTypes)
 224                                         importer.IncludeType (intype);
 225                         }
 226
 227                         typeMapping = importer.ImportTypeMapping (type, root, defaultNamespace);
 228                 }
 229
 230                 internal XmlMapping Mapping
 231                 {
 232                         get { return typeMapping; }
 233                 }
 234
 235 #if NET_2_0
 236
 237                 [MonoTODO]
 238                 public XmlSerializer (Type type,
 239                         XmlAttributeOverrides overrides,
 240                         Type [] extraTypes,
 241                         XmlRootAttribute root,
 242                         string defaultNamespace,
 243                         string location,
 244                         Evidence evidence)
 245                 {
 246                 }
 247 #endif
 248
 249 #endregion // Constructors
 250
 251 #region Events
 252                 private UnreferencedObjectEventHandler onUnreferencedObject;
 253                 private XmlAttributeEventHandler onUnknownAttribute;
 254                 private XmlElementEventHandler onUnknownElement;
 255                 private XmlNodeEventHandler onUnknownNode;
 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
 273                 internal virtual void OnUnknownAttribute (XmlAttributeEventArgs e)
 274                 {
 275                         if (onUnknownAttribute != null) onUnknownAttribute(this, e);
 276                 }
 277
 278                 internal virtual void OnUnknownElement (XmlElementEventArgs e)
 279                 {
 280                         if (onUnknownElement != null) onUnknownElement(this, e);
 281                 }
 282
 283                 internal virtual void OnUnknownNode (XmlNodeEventArgs e)
 284                 {
 285                         if (onUnknownNode != null) onUnknownNode(this, e);
 286                 }
 287
 288                 internal virtual void OnUnreferencedObject (UnreferencedObjectEventArgs e)
 289                 {
 290                         if (onUnreferencedObject != null) onUnreferencedObject(this, e);
 291                 }
 292
 293                 public event UnreferencedObjectEventHandler UnreferencedObject
 294                 {
 295                         add { onUnreferencedObject += value; } remove { onUnreferencedObject -= value; }
 296                 }
 297
 298 #endregion // Events
 299
 300 #region Methods
 301
 302                 public virtual bool CanDeserialize (XmlReader xmlReader)
 303                 {
 304                         xmlReader.MoveToContent ();
 305                         if (typeMapping is XmlMembersMapping)
 306                                 return true;
 307                         else
 308                                 return ((XmlTypeMapping)typeMapping).ElementName == xmlReader.LocalName;
 309                 }
 310
 311                 protected virtual XmlSerializationReader CreateReader ()
 312                 {
 313                         // Must be implemented in derived class
 314                         throw new NotImplementedException ();
 315                 }
 316
 317                 protected virtual XmlSerializationWriter CreateWriter ()
 318                 {
 319                         // Must be implemented in derived class
 320                         throw new NotImplementedException ();
 321                 }
 322
 323                 public object Deserialize (Stream stream)
 324                 {
 325                         XmlTextReader xmlReader = new XmlTextReader(stream);
 326                         xmlReader.Normalization = true;
 327                         xmlReader.WhitespaceHandling = WhitespaceHandling.Significant;
 328                         return Deserialize(xmlReader);
 329                 }
 330
 331                 public object Deserialize (TextReader textReader)
 332                 {
 333                         XmlTextReader xmlReader = new XmlTextReader(textReader);
 334                         xmlReader.Normalization = true;
 335                         xmlReader.WhitespaceHandling = WhitespaceHandling.Significant;
 336                         return Deserialize(xmlReader);
 337                 }
 338
 339                 public object Deserialize (XmlReader xmlReader)
 340                 {
 341                         XmlSerializationReader xsReader;
 342                         if (customSerializer)
 343                                 xsReader = CreateReader ();
 344                         else
 345                                 xsReader = CreateReader (typeMapping);
 346
 347                         xsReader.Initialize (xmlReader, this);
 348                         return Deserialize (xsReader);
 349                 }
 350
 351                 protected virtual object Deserialize (XmlSerializationReader reader)
 352                 {
 353                         if (customSerializer)
 354                                 // Must be implemented in derived class
 355                                 throw new NotImplementedException ();
 356
 357                         try {
 358                                 if (reader is XmlSerializationReaderInterpreter)
 359                                         return ((XmlSerializationReaderInterpreter) reader).ReadRoot ();
 360                                 else {
 361                                         try {
 362                                                 return serializerData.ReaderMethod.Invoke (reader, null);
 363                                         } catch (TargetInvocationException ex) {
 364                                                 throw ex.InnerException;
 365                                         }
 366                                 }
 367                         } catch (Exception ex) {
 368                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 369                                         throw new InvalidOperationException ("There is an error in"
 370                                                 + " XML document.", ex);
 371                                 throw;
 372                         }
 373                 }
 374
 375                 public static XmlSerializer [] FromMappings (XmlMapping [] mappings)
 376                 {
 377                         XmlSerializer[] sers = new XmlSerializer [mappings.Length];
 378                         SerializerData[] datas = new SerializerData [mappings.Length];
 379                         GenerationBatch batch = new GenerationBatch ();
 380                         batch.Maps = mappings;
 381                         batch.Datas = datas;
 382
 383                         for (int n=0; n<mappings.Length; n++)
 384                         {
 385                                 if (mappings[n] != null)
 386                                 {
 387                                         SerializerData data = new SerializerData ();
 388                                         data.Batch = batch;
 389                                         sers[n] = new XmlSerializer (mappings[n], data);
 390                                         datas[n] = data;
 391                                 }
 392                         }
 393
 394                         return sers;
 395                 }
 396
 397                 public static XmlSerializer [] FromTypes (Type [] types)
 398                 {
 399                         XmlSerializer [] sers = new XmlSerializer [types.Length];
 400                         for (int n=0; n<types.Length; n++)
 401                                 sers[n] = new XmlSerializer (types[n]);
 402                         return sers;
 403                 }
 404
 405                 protected virtual void Serialize (object o, XmlSerializationWriter writer)
 406                 {
 407                         if (customSerializer)
 408                                 // Must be implemented in derived class
 409                                 throw new NotImplementedException ();
 410
 411                         if (writer is XmlSerializationWriterInterpreter)
 412                                 ((XmlSerializationWriterInterpreter)writer).WriteRoot (o);
 413                         else {
 414                                 try {
 415                                         serializerData.WriterMethod.Invoke (writer, new object[] {o});
 416                                 } catch (TargetInvocationException ex) {
 417                                         throw ex.InnerException;
 418                                 }
 419                         }
 420                 }
 421
 422                 static Encoding DefaultEncoding = Encoding.Default;
 423
 424                 public void Serialize (Stream stream, object o)
 425                 {
 426                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, DefaultEncoding);
 427                         xmlWriter.Formatting = Formatting.Indented;
 428                         Serialize (xmlWriter, o, null);
 429                 }
 430
 431                 public void Serialize (TextWriter textWriter, object o)
 432                 {
 433                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 434                         xmlWriter.Formatting = Formatting.Indented;
 435                         Serialize (xmlWriter, o, null);
 436                 }
 437
 438                 public void Serialize (XmlWriter xmlWriter, object o)
 439                 {
 440                         Serialize (xmlWriter, o, null);
 441                 }
 442
 443                 public void Serialize (Stream stream, object o, XmlSerializerNamespaces namespaces)
 444                 {
 445                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, DefaultEncoding);
 446                         xmlWriter.Formatting = Formatting.Indented;
 447                         Serialize (xmlWriter, o, namespaces);
 448                 }
 449
 450                 public void Serialize (TextWriter textWriter, object o, XmlSerializerNamespaces namespaces)
 451                 {
 452                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 453                         xmlWriter.Formatting = Formatting.Indented;
 454                         Serialize (xmlWriter, o, namespaces);
 455                         xmlWriter.Flush();
 456                 }
 457
 458                 public void Serialize (XmlWriter xmlWriter, object o, XmlSerializerNamespaces namespaces)
 459                 {
 460                         XmlSerializationWriter xsWriter;
 461
 462                         try {
 463                                 if (customSerializer)
 464                                         xsWriter = CreateWriter ();
 465                                 else
 466                                         xsWriter = CreateWriter (typeMapping);
 467
 468                                 if (namespaces == null || namespaces.Count == 0) {
 469                                         namespaces = new XmlSerializerNamespaces ();
 470 #if NET_2_0
 471                                         namespaces.Add ("xsi", XmlSchema.InstanceNamespace);
 472                                         namespaces.Add ("xsd", XmlSchema.Namespace);
 473 #else
 474                                         namespaces.Add ("xsd", XmlSchema.Namespace);
 475                                         namespaces.Add ("xsi", XmlSchema.InstanceNamespace);
 476 #endif
 477                                 }
 478
 479                                 xsWriter.Initialize (xmlWriter, namespaces);
 480                                 Serialize (o, xsWriter);
 481                                 xmlWriter.Flush ();
 482                         } catch (Exception ex) {
 483                                 if (ex is TargetInvocationException)
 484                                         ex = ex.InnerException;
 485
 486                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 487                                         throw new InvalidOperationException ("There was an error generating" +
 488                                                 " the XML document.", ex);
 489
 490                                 throw;
 491                         }
 492                 }
 493
 494                 [MonoTODO]
 495                 public object Deserialize (XmlReader xmlReader, string encodingStyle, XmlDeserializationEvents events)
 496                 {
 497                         throw new NotImplementedException ();
 498                 }
 499
 500                 [MonoTODO]
 501                 public object Deserialize (XmlReader xmlReader, string encodingStyle)
 502                 {
 503                         throw new NotImplementedException ();
 504                 }
 505
 506                 [MonoTODO]
 507                 public object Deserialize (XmlReader xmlReader, XmlDeserializationEvents events)
 508                 {
 509                         throw new NotImplementedException ();
 510                 }
 511
 512                 [MonoTODO]
 513                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Evidence evidence)
 514                 {
 515                         throw new NotImplementedException ();
 516                 }
 517
 518                 [MonoTODO]
 519                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Type type)
 520                 {
 521                         throw new NotImplementedException ();
 522                 }
 523
 524 #if !MOBILE
 525                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings)
 526                 {
 527                         return GenerateSerializer (types, mappings, null);
 528                 }
 529
 530                 [MonoTODO]
 531                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings, CompilerParameters parameters)
 532                 {
 533                         GenerationBatch batch = new GenerationBatch ();
 534                         batch.Maps = mappings;
 535                         batch.Datas = new SerializerData [mappings.Length];
 536
 537                         for (int n=0; n<mappings.Length; n++) {
 538                                 SerializerData data = new SerializerData ();
 539                                 data.Batch = batch;
 540                                 batch.Datas [n] = data;
 541                         }
 542
 543                         return GenerateSerializers (batch, parameters);
 544                 }
 545 #endif
 546
 547                 public static string GetXmlSerializerAssemblyName (Type type)
 548                 {
 549                         return type.Assembly.GetName().Name + ".XmlSerializers";
 550                 }
 551
 552                 public static string GetXmlSerializerAssemblyName (Type type, string defaultNamespace)
 553                 {
 554                         return GetXmlSerializerAssemblyName (type) + "." + defaultNamespace.GetHashCode ();
 555                 }
 556
 557                 [MonoTODO]
 558                 public void Serialize (XmlWriter xmlWriter, object o, XmlSerializerNamespaces namespaces, string encodingStyle)
 559                 {
 560                         throw new NotImplementedException ();
 561                 }
 562
 563                 [MonoNotSupported("")]
 564                 public void Serialize (XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, string encodingStyle, string id)
 565                 {
 566                         throw new NotImplementedException ();
 567                 }
 568
 569                 XmlSerializationWriter CreateWriter (XmlMapping typeMapping)
 570                 {
 571                         XmlSerializationWriter writer;
 572
 573                         lock (this) {
 574                                 if (serializerData != null) {
 575                                         lock (serializerData) {
 576                                                 writer = serializerData.CreateWriter ();
 577                                         }
 578                                         if (writer != null) return writer;
 579                                 }
 580                         }
 581
 582 #if !NET_2_1
 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 #endif
 598                         return new XmlSerializationWriterInterpreter (typeMapping);
 599                 }
 600
 601                 XmlSerializationReader CreateReader (XmlMapping typeMapping)
 602                 {
 603 #if !NET_2_1
 604                         XmlSerializationReader reader;
 605
 606                         lock (this) {
 607                                 if (serializerData != null) {
 608                                         lock (serializerData) {
 609                                                 reader = serializerData.CreateReader ();
 610                                         }
 611                                         if (reader != null) return reader;
 612                                 }
 613                         }
 614
 615                         if (!typeMapping.Source.CanBeGenerated || generationThreshold == -1)
 616                                 return new XmlSerializationReaderInterpreter (typeMapping);
 617
 618                         CheckGeneratedTypes (typeMapping);
 619
 620                         lock (this) {
 621                                 lock (serializerData) {
 622                                         reader = serializerData.CreateReader ();
 623                                 }
 624                                 if (reader != null) return reader;
 625                                 if (!generatorFallback)
 626                                         throw new InvalidOperationException ("Error while generating serializer");
 627                         }
 628
 629 #endif
 630                         return new XmlSerializationReaderInterpreter (typeMapping);
 631                 }
 632
 633 #if NET_2_1
 634                 void CheckGeneratedTypes (XmlMapping typeMapping)
 635                 {
 636                         throw new NotImplementedException();
 637                 }
 638                 void GenerateSerializersAsync (GenerationBatch batch)
 639                 {
 640                         throw new NotImplementedException();
 641                 }
 642                 void RunSerializerGeneration (object obj)
 643                 {
 644                         throw new NotImplementedException();
 645                 }
 646 #else
 647                 void CheckGeneratedTypes (XmlMapping typeMapping)
 648                 {
 649                         lock (this)
 650                         {
 651                                 if (serializerData == null)
 652                                 {
 653                                         lock (serializerTypes)
 654                                         {
 655                                                 serializerData = (SerializerData) serializerTypes [typeMapping.Source];
 656                                                 if (serializerData == null) {
 657                                                         serializerData = new SerializerData();
 658                                                         serializerTypes [typeMapping.Source] = serializerData;
 659                                                 }
 660                                         }
 661                                 }
 662                         }
 663
 664                         bool generate = false;
 665                         lock (serializerData)
 666                         {
 667                                 generate = (++serializerData.UsageCount == generationThreshold);
 668                         }
 669
 670                         if (generate)
 671                         {
 672                                 if (serializerData.Batch != null)
 673                                         GenerateSerializersAsync (serializerData.Batch);
 674                                 else
 675                                 {
 676                                         GenerationBatch batch = new GenerationBatch ();
 677                                         batch.Maps = new XmlMapping[] {typeMapping};
 678                                         batch.Datas = new SerializerData[] {serializerData};
 679                                         GenerateSerializersAsync (batch);
 680                                 }
 681                         }
 682                 }
 683
 684                 void GenerateSerializersAsync (GenerationBatch batch)
 685                 {
 686                         if (batch.Maps.Length != batch.Datas.Length)
 687                                 throw new ArgumentException ("batch");
 688
 689                         lock (batch)
 690                         {
 691                                 if (batch.Done) return;
 692                                 batch.Done = true;
 693                         }
 694
 695                         if (backgroundGeneration)
 696                                 ThreadPool.QueueUserWorkItem (new WaitCallback (RunSerializerGeneration), batch);
 697                         else
 698                                 RunSerializerGeneration (batch);
 699                 }
 700
 701                 void RunSerializerGeneration (object obj)
 702                 {
 703                         try
 704                         {
 705                                 GenerationBatch batch = (GenerationBatch) obj;
 706                                 batch = LoadFromSatelliteAssembly (batch);
 707
 708                                 if (batch != null)
 709                                         GenerateSerializers (batch, null);
 710                         }
 711                         catch (Exception ex)
 712                         {
 713                                 Console.WriteLine (ex);
 714                         }
 715                 }
 716
 717                 static Assembly GenerateSerializers (GenerationBatch batch, CompilerParameters cp)
 718                 {
 719                         DateTime tim = DateTime.Now;
 720
 721                         XmlMapping[] maps = batch.Maps;
 722
 723                         if (cp == null) {
 724                                 cp = new CompilerParameters();
 725                                 cp.IncludeDebugInformation = false;
 726                                 cp.GenerateInMemory = true;
 727                                 cp.TempFiles.KeepFiles = !deleteTempFiles;
 728                         }
 729
 730                         string file = cp.TempFiles.AddExtension ("cs");
 731                         StreamWriter sw = new StreamWriter (file);
 732
 733                         if (!deleteTempFiles)
 734                                 Console.WriteLine ("Generating " + file);
 735
 736                         SerializationCodeGenerator gen = new SerializationCodeGenerator (maps);
 737
 738                         try
 739                         {
 740                                 gen.GenerateSerializers (sw);
 741                         }
 742                         catch (Exception ex)
 743                         {
 744                                 Console.WriteLine ("Serializer could not be generated");
 745                                 Console.WriteLine (ex);
 746                                 cp.TempFiles.Delete ();
 747                                 return null;
 748                         }
 749                         sw.Close ();
 750
 751                         CSharpCodeProvider provider = new CSharpCodeProvider();
 752                         ICodeCompiler comp = provider.CreateCompiler ();
 753
 754                         cp.GenerateExecutable = false;
 755
 756                         foreach (Type rtype in gen.ReferencedTypes)
 757                         {
 758                                 string path = new Uri (rtype.Assembly.CodeBase).LocalPath;
 759                                 if (!cp.ReferencedAssemblies.Contains (path))
 760                                         cp.ReferencedAssemblies.Add (path);
 761                         }
 762
 763                         if (!cp.ReferencedAssemblies.Contains ("System.dll"))
 764                                 cp.ReferencedAssemblies.Add ("System.dll");
 765                         if (!cp.ReferencedAssemblies.Contains ("System.Xml"))
 766                                 cp.ReferencedAssemblies.Add ("System.Xml");
 767                         if (!cp.ReferencedAssemblies.Contains ("System.Data"))
 768                                 cp.ReferencedAssemblies.Add ("System.Data");
 769
 770                         CompilerResults res = comp.CompileAssemblyFromFile (cp, file);
 771                         if (res.Errors.HasErrors || res.CompiledAssembly == null) {
 772                                 Console.WriteLine ("Error while compiling generated serializer");
 773                                 foreach (CompilerError error in res.Errors)
 774                                         Console.WriteLine (error);
 775
 776                                 cp.TempFiles.Delete ();
 777                                 return null;
 778                         }
 779
 780                         GenerationResult[] results = gen.GenerationResults;
 781                         for (int n=0; n<results.Length; n++)
 782                         {
 783                                 GenerationResult gres = results[n];
 784                                 SerializerData sd = batch.Datas [n];
 785                                 lock (sd)
 786                                 {
 787                                         sd.WriterType = res.CompiledAssembly.GetType (gres.Namespace + "." + gres.WriterClassName);
 788                                         sd.ReaderType = res.CompiledAssembly.GetType (gres.Namespace + "." + gres.ReaderClassName);
 789                                         sd.WriterMethod = sd.WriterType.GetMethod (gres.WriteMethodName);
 790                                         sd.ReaderMethod = sd.ReaderType.GetMethod (gres.ReadMethodName);
 791                                         sd.Batch = null;
 792                                 }
 793                         }
 794
 795                         cp.TempFiles.Delete ();
 796
 797                         if (!deleteTempFiles)
 798                                 Console.WriteLine ("Generation finished - " + (DateTime.Now - tim).TotalMilliseconds + " ms");
 799
 800                         return res.CompiledAssembly;
 801                 }
 802 #endif
 803
 804 #if NET_2_0
 805                 GenerationBatch LoadFromSatelliteAssembly (GenerationBatch batch)
 806                 {
 807                         return batch;
 808                 }
 809 #else
 810                 GenerationBatch LoadFromSatelliteAssembly (GenerationBatch batch)
 811                 {
 812                         return batch;
 813                 }
 814 #endif
 815
 816 #endregion // Methods
 817         }
 818 }