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 bool Generated;
  72                         public Type ReaderType;
  73                         public MethodInfo ReaderMethod;
  74                         public Type WriterType;
  75                         public MethodInfo WriterMethod;
  76                         public GenerationBatch Batch;
  77                         public XmlSerializerImplementation Implementation = null;
  78
  79                         public XmlSerializationReader CreateReader () {
  80                                 if (ReaderType != null)
  81                                         return (XmlSerializationReader) Activator.CreateInstance (ReaderType);
  82                                 else if (Implementation != null)
  83                                         return Implementation.Reader;
  84                                 else
  85                                         return null;
  86                         }
  87
  88                         public XmlSerializationWriter CreateWriter () {
  89                                 if (WriterType != null)
  90                                         return (XmlSerializationWriter) Activator.CreateInstance (WriterType);
  91                                 else if (Implementation != null)
  92                                         return Implementation.Writer;
  93                                 else
  94                                         return null;
  95                         }
  96                 }
  97
  98                 internal class GenerationBatch
  99                 {
 100                         public bool Done;
 101                         public XmlMapping[] Maps;
 102                         public SerializerData[] Datas;
 103                 }
 104
 105                 static XmlSerializer ()
 106                 {
 107                         // The following options are available:
 108                         // MONO_XMLSERIALIZER_DEBUG: when set to something != "no", it will
 109                         //       it will print the name of the generated file, and it won't
 110                         //       be deleted.
 111                         // MONO_XMLSERIALIZER_THS: The code generator threshold. It can be:
 112                         //       no: does not use the generator, always the interpreter.
 113                         //       0: always use the generator, wait until the generation is done.
 114                         //       any number: use the interpreted serializer until the specified
 115                         //       number of serializations is reached. At this point the generation
 116                         //       of the serializer will start in the background. The interpreter
 117                         //       will be used while the serializer is being generated.
 118                         //
 119                         //       XmlSerializer will fall back to the interpreted serializer if
 120                         //       the code generation somehow fails. This can be avoided for
 121                         //       debugging pourposes by adding the "nofallback" option.
 122                         //       For example: MONO_XMLSERIALIZER_THS=0,nofallback
 123
 124 #if NET_2_1
 125                         string db = null;
 126                         string th = null;
 127                         generationThreshold = -1;
 128                         backgroundGeneration = false;
 129 #else
 130                         string db = Environment.GetEnvironmentVariable ("MONO_XMLSERIALIZER_DEBUG");
 131                         string th = Environment.GetEnvironmentVariable ("MONO_XMLSERIALIZER_THS");
 132
 133                         if (th == null) {
 134                                 generationThreshold = 50;
 135                                 backgroundGeneration = true;
 136                         } else {
 137                                 int i = th.IndexOf (',');
 138                                 if (i != -1) {
 139                                         if (th.Substring (i+1) == "nofallback")
 140                                                 generatorFallback = false;
 141                                         th = th.Substring (0, i);
 142                                 }
 143
 144                                 if (th.ToLower(CultureInfo.InvariantCulture) == "no")
 145                                         generationThreshold = -1;
 146                                 else {
 147                                         generationThreshold = int.Parse (th, CultureInfo.InvariantCulture);
 148                                         backgroundGeneration = (generationThreshold != 0);
 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
 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
 247 #endregion // Constructors
 248
 249 #region Events
 250                 private UnreferencedObjectEventHandler onUnreferencedObject;
 251                 private XmlAttributeEventHandler onUnknownAttribute;
 252                 private XmlElementEventHandler onUnknownElement;
 253                 private XmlNodeEventHandler onUnknownNode;
 254
 255                 public event XmlAttributeEventHandler UnknownAttribute
 256                 {
 257                         add { onUnknownAttribute += value; } remove { onUnknownAttribute -= value; }
 258                 }
 259
 260                 public event XmlElementEventHandler UnknownElement
 261                 {
 262                         add { onUnknownElement += value; } remove { onUnknownElement -= value; }
 263                 }
 264
 265                 public event XmlNodeEventHandler UnknownNode
 266                 {
 267                         add { onUnknownNode += value; } remove { onUnknownNode -= value; }
 268                 }
 269
 270
 271                 internal virtual void OnUnknownAttribute (XmlAttributeEventArgs e)
 272                 {
 273                         if (onUnknownAttribute != null) onUnknownAttribute(this, e);
 274                 }
 275
 276                 internal virtual void OnUnknownElement (XmlElementEventArgs e)
 277                 {
 278                         if (onUnknownElement != null) onUnknownElement(this, e);
 279                 }
 280
 281                 internal virtual void OnUnknownNode (XmlNodeEventArgs e)
 282                 {
 283                         if (onUnknownNode != null) onUnknownNode(this, e);
 284                 }
 285
 286                 internal virtual void OnUnreferencedObject (UnreferencedObjectEventArgs e)
 287                 {
 288                         if (onUnreferencedObject != null) onUnreferencedObject(this, e);
 289                 }
 290
 291                 public event UnreferencedObjectEventHandler UnreferencedObject
 292                 {
 293                         add { onUnreferencedObject += value; } remove { onUnreferencedObject -= value; }
 294                 }
 295
 296 #endregion // Events
 297
 298 #region Methods
 299
 300                 public virtual bool CanDeserialize (XmlReader xmlReader)
 301                 {
 302                         xmlReader.MoveToContent ();
 303                         if (typeMapping is XmlMembersMapping)
 304                                 return true;
 305                         else
 306                                 return ((XmlTypeMapping)typeMapping).ElementName == xmlReader.LocalName;
 307                 }
 308
 309                 protected virtual XmlSerializationReader CreateReader ()
 310                 {
 311                         // Must be implemented in derived class
 312                         throw new NotImplementedException ();
 313                 }
 314
 315                 protected virtual XmlSerializationWriter CreateWriter ()
 316                 {
 317                         // Must be implemented in derived class
 318                         throw new NotImplementedException ();
 319                 }
 320
 321                 public object Deserialize (Stream stream)
 322                 {
 323                         XmlTextReader xmlReader = new XmlTextReader(stream);
 324                         xmlReader.Normalization = true;
 325                         xmlReader.WhitespaceHandling = WhitespaceHandling.Significant;
 326                         return Deserialize(xmlReader);
 327                 }
 328
 329                 public object Deserialize (TextReader textReader)
 330                 {
 331                         XmlTextReader xmlReader = new XmlTextReader(textReader);
 332                         xmlReader.Normalization = true;
 333                         xmlReader.WhitespaceHandling = WhitespaceHandling.Significant;
 334                         return Deserialize(xmlReader);
 335                 }
 336
 337                 public object Deserialize (XmlReader xmlReader)
 338                 {
 339                         XmlSerializationReader xsReader;
 340                         if (customSerializer)
 341                                 xsReader = CreateReader ();
 342                         else
 343                                 xsReader = CreateReader (typeMapping);
 344
 345                         xsReader.Initialize (xmlReader, this);
 346                         return Deserialize (xsReader);
 347                 }
 348
 349                 protected virtual object Deserialize (XmlSerializationReader reader)
 350                 {
 351                         if (customSerializer)
 352                                 // Must be implemented in derived class
 353                                 throw new NotImplementedException ();
 354
 355                         try {
 356                                 if (reader is XmlSerializationReaderInterpreter)
 357                                         return ((XmlSerializationReaderInterpreter) reader).ReadRoot ();
 358                                 else {
 359                                         try {
 360                                                 return serializerData.ReaderMethod.Invoke (reader, null);
 361                                         } catch (TargetInvocationException ex) {
 362                                                 throw ex.InnerException;
 363                                         }
 364                                 }
 365                         } catch (Exception ex) {
 366                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 367                                         throw new InvalidOperationException ("There is an error in"
 368                                                 + " XML document.", ex);
 369                                 throw;
 370                         }
 371                 }
 372
 373                 public static XmlSerializer [] FromMappings (XmlMapping [] mappings)
 374                 {
 375                         XmlSerializer[] sers = new XmlSerializer [mappings.Length];
 376                         SerializerData[] datas = new SerializerData [mappings.Length];
 377                         GenerationBatch batch = new GenerationBatch ();
 378                         batch.Maps = mappings;
 379                         batch.Datas = datas;
 380
 381                         for (int n=0; n<mappings.Length; n++)
 382                         {
 383                                 if (mappings[n] != null)
 384                                 {
 385                                         SerializerData data = new SerializerData ();
 386                                         data.Batch = batch;
 387                                         sers[n] = new XmlSerializer (mappings[n], data);
 388                                         datas[n] = data;
 389                                 }
 390                         }
 391
 392                         return sers;
 393                 }
 394
 395                 public static XmlSerializer [] FromTypes (Type [] types)
 396                 {
 397                         XmlSerializer [] sers = new XmlSerializer [types.Length];
 398                         for (int n=0; n<types.Length; n++)
 399                                 sers[n] = new XmlSerializer (types[n]);
 400                         return sers;
 401                 }
 402
 403                 protected virtual void Serialize (object o, XmlSerializationWriter writer)
 404                 {
 405                         if (customSerializer)
 406                                 // Must be implemented in derived class
 407                                 throw new NotImplementedException ();
 408
 409                         if (writer is XmlSerializationWriterInterpreter)
 410                                 ((XmlSerializationWriterInterpreter)writer).WriteRoot (o);
 411                         else {
 412                                 try {
 413                                         serializerData.WriterMethod.Invoke (writer, new object[] {o});
 414                                 } catch (TargetInvocationException ex) {
 415                                         throw ex.InnerException;
 416                                 }
 417                         }
 418                 }
 419
 420                 static Encoding DefaultEncoding = Encoding.Default;
 421
 422                 public void Serialize (Stream stream, object o)
 423                 {
 424                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, DefaultEncoding);
 425                         xmlWriter.Formatting = Formatting.Indented;
 426                         Serialize (xmlWriter, o, null);
 427                 }
 428
 429                 public void Serialize (TextWriter textWriter, object o)
 430                 {
 431                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 432                         xmlWriter.Formatting = Formatting.Indented;
 433                         Serialize (xmlWriter, o, null);
 434                 }
 435
 436                 public void Serialize (XmlWriter xmlWriter, object o)
 437                 {
 438                         Serialize (xmlWriter, o, null);
 439                 }
 440
 441                 public void Serialize (Stream stream, object o, XmlSerializerNamespaces namespaces)
 442                 {
 443                         XmlTextWriter xmlWriter = new XmlTextWriter (stream, DefaultEncoding);
 444                         xmlWriter.Formatting = Formatting.Indented;
 445                         Serialize (xmlWriter, o, namespaces);
 446                 }
 447
 448                 public void Serialize (TextWriter textWriter, object o, XmlSerializerNamespaces namespaces)
 449                 {
 450                         XmlTextWriter xmlWriter = new XmlTextWriter (textWriter);
 451                         xmlWriter.Formatting = Formatting.Indented;
 452                         Serialize (xmlWriter, o, namespaces);
 453                         xmlWriter.Flush();
 454                 }
 455
 456                 public void Serialize (XmlWriter xmlWriter, object o, XmlSerializerNamespaces namespaces)
 457                 {
 458                         XmlSerializationWriter xsWriter;
 459
 460                         try {
 461                                 if (customSerializer)
 462                                         xsWriter = CreateWriter ();
 463                                 else
 464                                         xsWriter = CreateWriter (typeMapping);
 465
 466                                 if (namespaces == null || namespaces.Count == 0) {
 467                                         namespaces = new XmlSerializerNamespaces ();
 468                                         namespaces.Add ("xsi", XmlSchema.InstanceNamespace);
 469                                         namespaces.Add ("xsd", XmlSchema.Namespace);
 470                                 }
 471
 472                                 xsWriter.Initialize (xmlWriter, namespaces);
 473                                 Serialize (o, xsWriter);
 474                                 xmlWriter.Flush ();
 475                         } catch (Exception ex) {
 476                                 if (ex is TargetInvocationException)
 477                                         ex = ex.InnerException;
 478
 479                                 if (ex is InvalidOperationException || ex is InvalidCastException)
 480                                         throw new InvalidOperationException ("There was an error generating" +
 481                                                 " the XML document.", ex);
 482
 483                                 throw;
 484                         }
 485                 }
 486
 487                 [MonoTODO]
 488                 public object Deserialize (XmlReader xmlReader, string encodingStyle, XmlDeserializationEvents events)
 489                 {
 490                         throw new NotImplementedException ();
 491                 }
 492
 493                 [MonoTODO]
 494                 public object Deserialize (XmlReader xmlReader, string encodingStyle)
 495                 {
 496                         throw new NotImplementedException ();
 497                 }
 498
 499                 [MonoTODO]
 500                 public object Deserialize (XmlReader xmlReader, XmlDeserializationEvents events)
 501                 {
 502                         throw new NotImplementedException ();
 503                 }
 504
 505                 [MonoTODO]
 506                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Evidence evidence)
 507                 {
 508                         throw new NotImplementedException ();
 509                 }
 510
 511                 [MonoTODO]
 512                 public static XmlSerializer[] FromMappings (XmlMapping[] mappings, Type type)
 513                 {
 514                         throw new NotImplementedException ();
 515                 }
 516
 517 #if !MOBILE
 518                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings)
 519                 {
 520                         return GenerateSerializer (types, mappings, null);
 521                 }
 522
 523                 [MonoTODO]
 524                 public static Assembly GenerateSerializer (Type[] types, XmlMapping[] mappings, CompilerParameters parameters)
 525                 {
 526                         GenerationBatch batch = new GenerationBatch ();
 527                         batch.Maps = mappings;
 528                         batch.Datas = new SerializerData [mappings.Length];
 529
 530                         for (int n=0; n<mappings.Length; n++) {
 531                                 SerializerData data = new SerializerData ();
 532                                 data.Batch = batch;
 533                                 batch.Datas [n] = data;
 534                         }
 535
 536                         return GenerateSerializers (batch, parameters);
 537                 }
 538 #endif
 539
 540                 public static string GetXmlSerializerAssemblyName (Type type)
 541                 {
 542                         return type.Assembly.GetName().Name + ".XmlSerializers";
 543                 }
 544
 545                 public static string GetXmlSerializerAssemblyName (Type type, string defaultNamespace)
 546                 {
 547                         return GetXmlSerializerAssemblyName (type) + "." + defaultNamespace.GetHashCode ();
 548                 }
 549
 550                 [MonoTODO]
 551                 public void Serialize (XmlWriter xmlWriter, object o, XmlSerializerNamespaces namespaces, string encodingStyle)
 552                 {
 553                         throw new NotImplementedException ();
 554                 }
 555
 556                 [MonoNotSupported("")]
 557                 public void Serialize (XmlWriter xmlWriter, Object o, XmlSerializerNamespaces namespaces, string encodingStyle, string id)
 558                 {
 559                         throw new NotImplementedException ();
 560                 }
 561
 562                 XmlSerializationWriter CreateWriter (XmlMapping typeMapping)
 563                 {
 564                         XmlSerializationWriter writer;
 565
 566                         lock (this) {
 567                                 if (serializerData != null) {
 568                                         lock (serializerData) {
 569                                                 writer = serializerData.CreateWriter ();
 570                                         }
 571                                         if (writer != null) return writer;
 572                                 }
 573                         }
 574
 575 #if !NET_2_1
 576                         if (!typeMapping.Source.CanBeGenerated || generationThreshold == -1)
 577                                 return new XmlSerializationWriterInterpreter (typeMapping);
 578
 579                         CheckGeneratedTypes (typeMapping);
 580
 581                         lock (this) {
 582                                 lock (serializerData) {
 583                                         writer = serializerData.CreateWriter ();
 584                                 }
 585                                 if (writer != null) return writer;
 586                                 if (!generatorFallback)
 587                                         throw new InvalidOperationException ("Error while generating serializer");
 588                         }
 589
 590 #endif
 591                         return new XmlSerializationWriterInterpreter (typeMapping);
 592                 }
 593
 594                 XmlSerializationReader CreateReader (XmlMapping typeMapping)
 595                 {
 596 #if !NET_2_1
 597                         XmlSerializationReader reader;
 598
 599                         lock (this) {
 600                                 if (serializerData != null) {
 601                                         lock (serializerData) {
 602                                                 reader = serializerData.CreateReader ();
 603                                         }
 604                                         if (reader != null) return reader;
 605                                 }
 606                         }
 607
 608                         if (!typeMapping.Source.CanBeGenerated || generationThreshold == -1)
 609                                 return new XmlSerializationReaderInterpreter (typeMapping);
 610
 611                         CheckGeneratedTypes (typeMapping);
 612
 613                         lock (this) {
 614                                 lock (serializerData) {
 615                                         reader = serializerData.CreateReader ();
 616                                 }
 617                                 if (reader != null) return reader;
 618                                 if (!generatorFallback)
 619                                         throw new InvalidOperationException ("Error while generating serializer");
 620                         }
 621
 622 #endif
 623                         return new XmlSerializationReaderInterpreter (typeMapping);
 624                 }
 625
 626 #if NET_2_1
 627                 void CheckGeneratedTypes (XmlMapping typeMapping)
 628                 {
 629                         throw new NotImplementedException();
 630                 }
 631                 void GenerateSerializersAsync (GenerationBatch batch)
 632                 {
 633                         throw new NotImplementedException();
 634                 }
 635                 void RunSerializerGeneration (object obj)
 636                 {
 637                         throw new NotImplementedException();
 638                 }
 639 #else
 640                 void CheckGeneratedTypes (XmlMapping typeMapping)
 641                 {
 642                         lock (this)
 643                         {
 644                                 if (serializerData == null)
 645                                 {
 646                                         lock (serializerTypes)
 647                                         {
 648                                                 serializerData = (SerializerData) serializerTypes [typeMapping.Source];
 649                                                 if (serializerData == null) {
 650                                                         serializerData = new SerializerData();
 651                                                         serializerTypes [typeMapping.Source] = serializerData;
 652                                                 }
 653                                         }
 654                                 }
 655                         }
 656
 657                         bool generate = false;
 658                         lock (serializerData)
 659                         {
 660                                 if (serializerData.UsageCount >= generationThreshold && !serializerData.Generated)
 661                                         serializerData.Generated = generate = true;
 662
 663                                 serializerData.UsageCount++;
 664                         }
 665
 666                         if (generate)
 667                         {
 668                                 if (serializerData.Batch != null)
 669                                         GenerateSerializersAsync (serializerData.Batch);
 670                                 else
 671                                 {
 672                                         GenerationBatch batch = new GenerationBatch ();
 673                                         batch.Maps = new XmlMapping[] {typeMapping};
 674                                         batch.Datas = new SerializerData[] {serializerData};
 675                                         GenerateSerializersAsync (batch);
 676                                 }
 677                         }
 678                 }
 679
 680                 void GenerateSerializersAsync (GenerationBatch batch)
 681                 {
 682                         if (batch.Maps.Length != batch.Datas.Length)
 683                                 throw new ArgumentException ("batch");
 684
 685                         lock (batch)
 686                         {
 687                                 if (batch.Done) return;
 688                                 batch.Done = true;
 689                         }
 690
 691                         if (backgroundGeneration)
 692                                 ThreadPool.QueueUserWorkItem (new WaitCallback (RunSerializerGeneration), batch);
 693                         else
 694                                 RunSerializerGeneration (batch);
 695                 }
 696
 697                 void RunSerializerGeneration (object obj)
 698                 {
 699                         try
 700                         {
 701                                 GenerationBatch batch = (GenerationBatch) obj;
 702                                 batch = LoadFromSatelliteAssembly (batch);
 703
 704                                 if (batch != null)
 705                                         GenerateSerializers (batch, null);
 706                         }
 707                         catch (Exception ex)
 708                         {
 709                                 Console.WriteLine (ex);
 710                         }
 711                 }
 712
 713                 static Assembly GenerateSerializers (GenerationBatch batch, CompilerParameters cp)
 714                 {
 715                         DateTime tim = DateTime.Now;
 716
 717                         XmlMapping[] maps = batch.Maps;
 718
 719                         if (cp == null) {
 720                                 cp = new CompilerParameters();
 721                                 cp.IncludeDebugInformation = false;
 722                                 cp.GenerateInMemory = true;
 723                                 cp.TempFiles.KeepFiles = !deleteTempFiles;
 724                         }
 725
 726                         string file = cp.TempFiles.AddExtension ("cs");
 727                         StreamWriter sw = new StreamWriter (file);
 728
 729                         if (!deleteTempFiles)
 730                                 Console.WriteLine ("Generating " + file);
 731
 732                         SerializationCodeGenerator gen = new SerializationCodeGenerator (maps);
 733
 734                         try
 735                         {
 736                                 gen.GenerateSerializers (sw);
 737                         }
 738                         catch (Exception ex)
 739                         {
 740                                 Console.WriteLine ("Serializer could not be generated");
 741                                 Console.WriteLine (ex);
 742                                 cp.TempFiles.Delete ();
 743                                 return null;
 744                         }
 745                         sw.Close ();
 746
 747                         CSharpCodeProvider provider = new CSharpCodeProvider();
 748                         ICodeCompiler comp = provider.CreateCompiler ();
 749
 750                         cp.GenerateExecutable = false;
 751
 752                         foreach (Type rtype in gen.ReferencedTypes)
 753                         {
 754                                 string path = new Uri (rtype.Assembly.CodeBase).LocalPath;
 755                                 if (!cp.ReferencedAssemblies.Contains (path))
 756                                         cp.ReferencedAssemblies.Add (path);
 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                 GenerationBatch LoadFromSatelliteAssembly (GenerationBatch batch)
 801                 {
 802                         return batch;
 803                 }
 804
 805 #endregion // Methods
 806         }
 807 }