The Ecere SDK - sdk/blob - ecere/src/sys/JSON.ec

   1 namespace sys;
   2
   3 import "System"
   4 import "Array"
   5
   6 default:
   7 __attribute__((unused)) static void UnusedFunction()
   8 {
   9    int a;
  10    a.OnGetDataFromString(null);
  11    a.OnGetString(null, 0, 0);
  12    a.OnFree();
  13 }
  14 extern int __ecereVMethodID_class_OnGetDataFromString;
  15 extern int __ecereVMethodID_class_OnGetString;
  16 extern int __ecereVMethodID_class_OnFree;
  17 private:
  18
  19 public enum JSONResult { syntaxError, success, typeMismatch, noItem };
  20
  21 public enum SetBool : uint
  22 {
  23    unset, false, true;
  24
  25    /*public property bool     // NOT WORKING!
  26    {
  27       set { return value ? true : false; }
  28       get { return (this == true); }
  29    }*/
  30 };
  31
  32
  33 public class JSONParser
  34 {
  35 public:
  36    File f;
  37    char ch;
  38
  39    void SkipEmpty()
  40    {
  41       while(!f.Eof() && (!ch || ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t'))
  42       {
  43          f.Getc(&ch);
  44       }
  45    }
  46
  47    JSONResult GetValue(Class type, DataValue value)
  48    {
  49       JSONResult result = syntaxError;
  50       ch = 0;
  51       SkipEmpty();
  52       if(ch == '\"')
  53       {
  54          String string;
  55          result = GetString(&string);
  56          if(result)
  57          {
  58             Property prop;
  59             if(type && (!strcmp(type.name, "String") || !strcmp(type.dataTypeString, "char *")))
  60             {
  61                value.p = string;
  62             }
  63             else if(type && (type.type == enumClass || type.type == unitClass))
  64             {
  65                if(((bool (*)(void *, void *, const char *))(void *)type._vTbl[__ecereVMethodID_class_OnGetDataFromString])(type, &value.i, string))
  66                   result = success;
  67                else
  68                   result = typeMismatch;
  69                delete string;
  70             }
  71             else if(type && (prop = eClass_FindProperty(type, "String", type.module)))
  72             {
  73                // TOFIX: Add more conversion property support... Expecting void * compatible here
  74                value.p = ((void *(*)())(void *)prop.Set)(string);
  75                result = success;
  76                delete string;
  77             }
  78             else if(type && (type.type == structClass))
  79             {
  80                if(((bool (*)(void *, void *, const char *))(void *)type._vTbl[__ecereVMethodID_class_OnGetDataFromString])(type, value.p, string))
  81                   result = success;
  82                else
  83                   result = typeMismatch;
  84                delete string;
  85             }
  86             else
  87             {
  88                delete string;
  89                result = typeMismatch;
  90             }
  91          }
  92       }
  93       else if(ch == '[')
  94       {
  95          Container array;
  96          if(type && eClass_IsDerived(type, class(Map)))
  97          {
  98             result = GetMap(type, (Map *)&array);
  99          }
 100          else
 101             result = GetArray(type, &array);
 102
 103          if(result == success && type && eClass_IsDerived(type, class(Container)))
 104          {
 105             value.p = array;
 106          }
 107          else
 108          {
 109             if(array)
 110                array.Free();
 111             delete array;
 112             if(result != success)
 113                result = typeMismatch;
 114          }
 115       }
 116       else if(ch == '-' || isdigit(ch))
 117       {
 118          result = GetNumber(type, value);
 119       }
 120       else if(ch == '{')
 121       {
 122          void * object = value.p;
 123          result = GetObject(type, &object);
 124          if(result)
 125          {
 126             if(type && type.type == structClass);
 127             else if(type && (type.type == normalClass || type.type == noHeadClass || type.type == bitClass))
 128             {
 129                value.p = object;
 130             }
 131             else
 132             {
 133                result = typeMismatch;
 134                if(type)
 135                   ((void (*)(void *, void *))(void *)type._vTbl[__ecereVMethodID_class_OnFree])(type, object);
 136             }
 137          }
 138       }
 139       else if(isalpha(ch))
 140       {
 141          char buffer[256];
 142          int c = 0;
 143          while(c < sizeof(buffer)-1 && isalpha(ch))
 144          {
 145             buffer[c++] = ch;
 146             if(!f.Getc(&ch)) break;
 147          }
 148          buffer[c] = 0;
 149          result = success;
 150
 151          if(type)
 152          {
 153             if(!strcmp(type.name, "bool"))
 154             {
 155                if(!strcmpi(buffer, "false")) value.i = 0;
 156                else if(!strcmpi(buffer, "true")) value.i = 1;
 157                else
 158                   result = typeMismatch;
 159             }
 160             else if(!strcmp(type.name, "SetBool"))
 161             {
 162                if(!strcmpi(buffer, "false")) value.i = SetBool::false;
 163                else if(!strcmpi(buffer, "true")) value.i = SetBool::true;
 164                else
 165                   result = typeMismatch;
 166             }
 167             else if(!strcmpi(buffer, "null"))
 168             {
 169                value.p = 0;
 170             }
 171             else
 172                result = typeMismatch;
 173          }
 174          else
 175             result = typeMismatch;
 176       }
 177       else if(ch == '}' || ch == ']')
 178          result = noItem;
 179       return result;
 180    }
 181
 182    JSONResult GetArray(Class type, Container * array)
 183    {
 184       JSONResult result = syntaxError;
 185       SkipEmpty();
 186       *array = null;
 187       if(ch == '[')
 188       {
 189          *array = eInstance_New(type);
 190          result = success;
 191          while(result)
 192          {
 193             DataValue value { };
 194             Class arrayType = null;
 195             JSONResult itemResult;
 196
 197             if(eClass_IsDerived(type, class(Container)))
 198             {
 199                arrayType = type.templateArgs[0].dataTypeClass;
 200             }
 201
 202             if(arrayType && arrayType.type == structClass)
 203                value.p = new0 byte[arrayType.structSize];
 204             itemResult = GetValue(arrayType, value);
 205             if(itemResult == success)
 206             {
 207                // TODO: Verify the matching between template type and uint64
 208                uint64 t;
 209                if(arrayType.type == structClass)
 210                {
 211                   t = (uint64)(uintptr)value.p;
 212                }
 213                else if(arrayType == class(double) || !strcmp(arrayType.dataTypeString, "double"))
 214                {
 215                   t = value.ui64; //*(uint64 *)&value.d;
 216                }
 217                else if(arrayType == class(float) || !strcmp(arrayType.dataTypeString, "float"))
 218                {
 219                   t = value.ui; //f*(uint *)&value.f;
 220                }
 221                else if(arrayType.typeSize == sizeof(int64) || !strcmp(arrayType.dataTypeString, "int64") ||
 222                   !strcmp(arrayType.dataTypeString, "unsigned int64") || !strcmp(arrayType.dataTypeString, "uint64"))
 223                {
 224                   t = value.ui64;
 225                }
 226                else if(arrayType.typeSize == sizeof(int) || !strcmp(arrayType.dataTypeString, "int") ||
 227                   !strcmp(arrayType.dataTypeString, "unsigned int") || !strcmp(arrayType.dataTypeString, "uint"))
 228                {
 229                   t = value.i;
 230                }
 231                else if(arrayType.typeSize == sizeof(short int) || !strcmp(arrayType.dataTypeString, "short") ||
 232                   !strcmp(arrayType.dataTypeString, "unsigned short") || !strcmp(arrayType.dataTypeString, "uint16") ||
 233                   !strcmp(arrayType.dataTypeString, "int16"))
 234                {
 235                   t = value.s;
 236                }
 237                else if(arrayType.typeSize == sizeof(byte) || !strcmp(arrayType.dataTypeString, "char") ||
 238                   !strcmp(arrayType.dataTypeString, "unsigned char") || !strcmp(arrayType.dataTypeString, "byte"))
 239                {
 240                   t = value.c;
 241                }
 242                else
 243                {
 244                   t = (uint64)(uintptr)value.p;
 245                }
 246                ((void *(*)(void *, uint64))(void *)array->Add)(*array, t);
 247
 248                if(arrayType && arrayType.type == structClass)
 249                   delete value.p;
 250             }
 251             else
 252             {
 253                if(itemResult == typeMismatch)
 254                {
 255                   if(arrayType)
 256                      PrintLn("Warning: Incompatible value for array value, expected ", (String)arrayType.name);
 257                }
 258                else if(itemResult == noItem)
 259                   result = success;
 260                else
 261                   result = itemResult;
 262             }
 263
 264             if(result != syntaxError)
 265             {
 266                if(ch != ']' && ch != ',')
 267                {
 268                   ch = 0;
 269                   SkipEmpty();
 270                }
 271                if(ch == ']')
 272                {
 273                   break;
 274                }
 275                else if(ch != ',')
 276                   result = syntaxError;
 277             }
 278          }
 279       }
 280       ch = 0;
 281       return result;
 282    }
 283
 284    JSONResult GetMap(Class type, Map * map)
 285    {
 286       JSONResult result = syntaxError;
 287       SkipEmpty();
 288       *map = null;
 289       if(ch == '[')
 290       {
 291          Class mapNodeType = type.templateArgs[0].dataTypeClass;
 292          Class keyType = mapNodeType.templateArgs[0].dataTypeClass;
 293          Property keyProp = null;
 294          if(keyType && !strcmp(keyType.dataTypeString, "char *"))
 295             keyProp = eClass_FindProperty(mapNodeType, "key", mapNodeType.module);
 296
 297          *map = eInstance_New(type);
 298          result = success;
 299
 300          while(result)
 301          {
 302             DataValue value { };
 303
 304             JSONResult itemResult;
 305
 306             itemResult = GetValue(mapNodeType, value);
 307             if(itemResult == success)
 308             {
 309                String s = keyProp ? ((void * (*)(void *))(void *)keyProp.Get)(value.p) : null;
 310                ((void *(*)(void *, uint64))(void *)map->Add)(*map, (uint64)(uintptr)value.p);
 311                // Must free String keys here
 312                delete s;
 313             }
 314             else
 315             {
 316                if(itemResult == typeMismatch)
 317                {
 318                   if(mapNodeType)
 319                      PrintLn("Warning: Incompatible value for array value, expected ", (String)mapNodeType.name);
 320                }
 321                else if(itemResult == noItem)
 322                   result = success;
 323                else
 324                   result = itemResult;
 325             }
 326
 327             if(result != syntaxError)
 328             {
 329                if(ch != ']' && ch != ',')
 330                {
 331                   ch = 0;
 332                   SkipEmpty();
 333                }
 334                if(ch == ']')
 335                {
 336                   break;
 337                }
 338                else if(ch != ',')
 339                   result = syntaxError;
 340             }
 341          }
 342       }
 343       ch = 0;
 344       return result;
 345    }
 346
 347    JSONResult GetString(String * string)
 348    {
 349       JSONResult result = syntaxError;
 350       Array<char> buffer { minAllocSize = 256 };
 351       bool escaped = false;
 352
 353       *string = null;
 354       SkipEmpty();
 355       if(ch == '\"')
 356       {
 357          while(f.Getc(&ch))
 358          {
 359             if(ch == '\\' && !escaped)
 360                escaped = true;
 361             else
 362             {
 363                if(escaped)
 364                {
 365                   if(ch == 'b') ch = '\b';
 366                   else if(ch == 'f') ch = '\f';
 367                   else if(ch == 'n') ch = '\n';
 368                   else if(ch == 'r') ch = '\r';
 369                   else if(ch == 't') ch = '\t';
 370                   else if(ch == 'u')
 371                   {
 372                      // SKIP FOR NOW...
 373                      char unicode[4];
 374                      f.Getc(&unicode[0]);
 375                      f.Getc(&unicode[1]);
 376                      f.Getc(&unicode[2]);
 377                      f.Getc(&unicode[3]);
 378                   }
 379                   escaped = false;
 380                }
 381                else if(ch == '\"')
 382                {
 383                   break;
 384                }
 385                buffer.Add(ch);
 386                if(buffer.minAllocSize < buffer.count)
 387                   buffer.minAllocSize *= 2;
 388             }
 389          }
 390          buffer.Add(0);
 391          *string = CopyString(buffer.array);
 392          result = success;
 393       }
 394       delete buffer;
 395       if(ch != ',' && ch != '}')
 396          ch = 0;
 397       return result;
 398    }
 399
 400    public JSONResult GetObject(Class objectType, void ** object)
 401    {
 402       JSONResult result = syntaxError;
 403       if(!objectType || objectType.type != structClass)
 404          *object = null;
 405       SkipEmpty();
 406       if(ch == '{')
 407       {
 408          Class mapKeyClass = null, mapDataClass = null;
 409
 410          if(objectType && objectType.templateClass && eClass_IsDerived(objectType.templateClass, class(MapNode)))
 411          {
 412             mapKeyClass = objectType.templateArgs[0].dataTypeClass;
 413             mapDataClass = objectType.templateArgs[2].dataTypeClass;
 414          }
 415
 416          result = success;
 417          if(objectType && (objectType.type == noHeadClass || objectType.type == normalClass))
 418          {
 419             *object = eInstance_New(objectType);
 420          }
 421          else if(objectType && objectType.type != structClass)
 422          {
 423             *object = eSystem_New(objectType.typeSize);
 424          }
 425
 426          while(result)
 427          {
 428             String string;
 429             ch = 0;
 430             if(GetString(&string))
 431             {
 432                DataMember member = null;
 433                Property prop = null;
 434                Class type = null;
 435                bool isKey = false;
 436                uint offset = 0;
 437
 438                if(objectType)
 439                {
 440                   string[0] = (char)tolower(string[0]);
 441                   if(mapKeyClass && !strcmp(string, "key"))
 442                   {
 443                      prop = eClass_FindProperty(objectType, "key", objectType.module);
 444                      type = mapKeyClass;
 445                      isKey = true;
 446                   }
 447                   else if(mapDataClass && !strcmp(string, "value"))
 448                   {
 449                      prop = eClass_FindProperty(objectType, "value", objectType.module);
 450                      type = mapDataClass;
 451                   }
 452                   else
 453                   {
 454                      member = eClass_FindDataMember(objectType, string, objectType.module, null, null);
 455                      if(member)
 456                      {
 457                         type = eSystem_FindClass(__thisModule, member.dataTypeString);
 458                         if(!type)
 459                            type = eSystem_FindClass(__thisModule.application, member.dataTypeString);
 460
 461                         offset = member._class.offset + member.offset;
 462                      }
 463                      else if(!member)
 464                      {
 465                         prop = eClass_FindProperty(objectType, string, objectType.module);
 466                         if(prop)
 467                         {
 468                            type = eSystem_FindClass(__thisModule, prop.dataTypeString);
 469                            if(!type)
 470                               type = eSystem_FindClass(__thisModule.application, prop.dataTypeString);
 471                         }
 472                         else
 473                            PrintLn("Warning: member ", string, " not found in class ", (String)objectType.name);
 474                      }
 475                   }
 476                }
 477                // Find Member in Object Class
 478                {
 479                   DataValue value { };
 480
 481                   if(type && type.type == structClass)
 482                   {
 483                      if(member)
 484                      {
 485                         value.p = (byte *)*object + offset;
 486                         memset(value.p, 0, type.structSize);
 487                      }
 488                      else if(prop)
 489                      {
 490                         value.p = new0 byte[type.structSize];
 491                      }
 492                   }
 493                   ch = 0;
 494                   SkipEmpty();
 495                   if(ch == ':')
 496                   {
 497                      JSONResult itemResult = GetValue(type, value);
 498                      if(itemResult != syntaxError)
 499                      {
 500                         if(prop || member)
 501                         {
 502                            if(!type)
 503                            {
 504                               PrintLn("warning: Unresolved data type ", member ? (String)member.dataTypeString : (String)prop.dataTypeString);
 505                            }
 506                            else if(itemResult == success)
 507                            {
 508                               // Set value
 509                               if(member)
 510                               {
 511                                  // TOFIX: How to swiftly handle classes with base data type?
 512                                  if(type.type == structClass)
 513                                     ;
 514                                  else if(type.type == normalClass || type.type == noHeadClass)
 515                                  {
 516                                     void ** ptr = (void**)((byte *)*object + offset);
 517                                     if(eClass_IsDerived(type, class(Container)) && *ptr)
 518                                     {
 519                                        Container container = (Container)*ptr;
 520                                        container.Free();
 521                                        delete container;
 522                                     }
 523                                     *ptr = value.p;
 524                                  }
 525                                  else if(type == class(double) || !strcmp(type.dataTypeString, "double"))
 526                                  {
 527                                     *(double *)((byte *)*object + offset) = value.d;
 528                                  }
 529                                  else if(type == class(float) || !strcmp(type.dataTypeString, "float"))
 530                                  {
 531                                     *(float *)((byte *)*object + offset) = value.f;
 532                                  }
 533                                  else if(type.typeSize == sizeof(int64) || !strcmp(type.dataTypeString, "int64") ||
 534                                     !strcmp(type.dataTypeString, "unsigned int64") || !strcmp(type.dataTypeString, "uint64"))
 535                                  {
 536                                     *(uint64 *)((byte *)*object + offset) = value.ui64;
 537                                  }
 538                                  else if(type.typeSize == sizeof(int) || !strcmp(type.dataTypeString, "int") ||
 539                                     !strcmp(type.dataTypeString, "unsigned int") || !strcmp(type.dataTypeString, "uint"))
 540                                  {
 541                                     *(int *)((byte *)*object + offset) = value.i;
 542                                  }
 543                                  else if(type.typeSize == sizeof(short int) || !strcmp(type.dataTypeString, "short") ||
 544                                     !strcmp(type.dataTypeString, "unsigned short") || !strcmp(type.dataTypeString, "uint16") ||
 545                                     !strcmp(type.dataTypeString, "int16"))
 546                                  {
 547                                     *(short *)((byte *)*object + offset) = value.s;
 548                                  }
 549                                  else if(type.typeSize == sizeof(byte) || !strcmp(type.dataTypeString, "char") ||
 550                                     !strcmp(type.dataTypeString, "unsigned char") || !strcmp(type.dataTypeString, "byte"))
 551                                  {
 552                                     *(char *)((byte *)*object + offset) = value.c;
 553                                  }
 554                                  else
 555                                  {
 556                                     *(void **)((byte *)*object + offset) = value.p;
 557                                  }
 558                               }
 559                               else if(prop && prop.Set)
 560                               {
 561                                  if(!strcmp(type.dataTypeString, "char *"))
 562                                  {
 563                                     ((void (*)(void *, void *))(void *)prop.Set)(*object, value.p);
 564                                     if(!isKey)
 565                                        delete value.p;
 566                                  }
 567                                  // TOFIX: How to swiftly handle classes with base data type?
 568                                  else if(type == class(double) || !strcmp(type.dataTypeString, "double"))
 569                                  {
 570                                     ((void (*)(void *, double))(void *)prop.Set)(*object, value.d);
 571                                  }
 572                                  else if(type == class(float) || !strcmp(type.dataTypeString, "float"))
 573                                  {
 574                                     ((void (*)(void *, float))(void *)prop.Set)(*object, value.f);
 575                                  }
 576                                  else if(type.typeSize == sizeof(int64) || !strcmp(type.dataTypeString, "int64") ||
 577                                     !strcmp(type.dataTypeString, "unsigned int64") || !strcmp(type.dataTypeString, "uint64"))
 578                                  {
 579                                     ((void (*)(void *, uint64))(void *)prop.Set)(*object, value.ui64);
 580                                  }
 581                                  else if(type.typeSize == sizeof(int) || !strcmp(type.dataTypeString, "int") ||
 582                                     !strcmp(type.dataTypeString, "unsigned int") || !strcmp(type.dataTypeString, "uint"))
 583                                  {
 584                                     ((void (*)(void *, int))(void *)prop.Set)(*object, value.i);
 585                                  }
 586                                  else if(type.typeSize == sizeof(short int) || !strcmp(type.dataTypeString, "short") ||
 587                                     !strcmp(type.dataTypeString, "unsigned short") || !strcmp(type.dataTypeString, "uint16") ||
 588                                     !strcmp(type.dataTypeString, "int16"))
 589                                  {
 590                                     ((void (*)(void *, short))(void *)prop.Set)(*object, value.s);
 591                                  }
 592                                  else if(type.typeSize == sizeof(byte) || !strcmp(type.dataTypeString, "char") ||
 593                                     !strcmp(type.dataTypeString, "unsigned char") || !strcmp(type.dataTypeString, "byte"))
 594                                  {
 595                                     ((void (*)(void *, char))(void *)prop.Set)(*object, value.c);
 596                                  }
 597                                  else
 598                                  {
 599                                     ((void (*)(void *, void *))(void *)prop.Set)(*object, value.p);
 600                                  }
 601                               }
 602                            }
 603                            else
 604                            {
 605                               PrintLn("Warning: Incompatible value for ", member ? (String)member.name : (String)prop.name,
 606                                  ", expected ", member ? (String)member.dataTypeString : (String)prop.dataTypeString);
 607                            }
 608                         }
 609                      }
 610                   }
 611                   else
 612                      result = syntaxError;
 613
 614                   if(prop && type.type == structClass)
 615                   {
 616                      delete value.p;
 617                   }
 618                }
 619             }
 620             else if(ch && ch != '}' && ch != ',')
 621                result = syntaxError;
 622             delete string;
 623
 624             if(result)
 625             {
 626                SkipEmpty();
 627                if(ch == '}')
 628                {
 629                   break;
 630                }
 631                else if(ch != ',')
 632                   result = syntaxError;
 633             }
 634          }
 635       }
 636       ch = 0;
 637       return result;
 638    }
 639
 640    JSONResult GetNumber(Class type, DataValue value)
 641    {
 642       JSONResult result = syntaxError;
 643       char buffer[256];
 644       int c = 0;
 645       while(c < sizeof(buffer)-1 && (ch == '-' || ch == '.' || tolower(ch) == 'e' || ch == '+' || isdigit(ch)))
 646       {
 647          buffer[c++] = ch;
 648          if(!f.Getc(&ch)) break;
 649       }
 650       buffer[c] = 0;
 651       //if(strchr(buffer, '.'))
 652       if(!type) return success;
 653
 654       // TOFIX: How to swiftly handle classes with base data type?
 655       if(type == class(double) || !strcmp(type.dataTypeString, "double"))
 656       {
 657          value.d = strtod(buffer, null);
 658          result = success;
 659       }
 660       else if(type == class(float) || !strcmp(type.dataTypeString, "float"))
 661       {
 662          value.f = (float)strtod(buffer, null);
 663          result = success;
 664       }
 665       // TOFIX: int64 looks for class long long?
 666       //else if(type == class(int64) || !strcmp(type.dataTypeString, "int64"))
 667       else if(!strcmp(type.dataTypeString, "int64"))
 668       {
 669          value.i64 = strtol(buffer, null, 10);  // TOFIX: 64 bit support
 670          result = success;
 671       }
 672       else if(type == class(uint64) || !strcmp(type.dataTypeString, "uint64"))
 673       {
 674          value.ui64 = strtoul(buffer, null, 10);  // TOFIX: 64 bit support
 675          result = success;
 676       }
 677       else if(type == class(uint) || !strcmp(type.dataTypeString, "unsigned int"))
 678       {
 679          value.ui = (uint)strtoul(buffer, null, 10);  // TOFIX: 64 bit support
 680          result = success;
 681       }
 682       else
 683       {
 684          value.i = (int)strtol(buffer, null, 10);
 685          result = success;
 686       }
 687
 688       if(result == success && type.type == unitClass)
 689       {
 690          // Convert to reference unit
 691          Property prop;
 692          for(prop = type.conversions.first; prop; prop = prop.next)
 693          {
 694             bool refProp = false;
 695             Class c;
 696             if(!strcmp(prop.name, type.base.fullName))
 697                refProp = true;
 698             else if( (c = eSystem_FindClass(type.module, prop.name) ) )
 699             {
 700                Property p;
 701                for(p = c.conversions.first; p; p = p.next)
 702                {
 703                   if(!strcmp(p.name, type.base.fullName) && !p.Set && !p.Get)
 704                   {
 705                      refProp = true;
 706                      break;
 707                   }
 708                }
 709             }
 710             if(refProp)
 711             {
 712                if(prop.Set && prop.Get)
 713                {
 714                   const String dts = type.base.dataTypeString;
 715                   if(!strcmp(dts, "double"))
 716                      value.d = ((double(*)(double))(void *)prop.Get)(value.d);
 717                   else if(!strcmp(dts, "float"))
 718                      value.f = ((float(*)(float))(void *)prop.Get)(value.f);
 719                   else if(!strcmp(dts, "int"))
 720                      value.i = ((int(*)(int))(void *)prop.Get)(value.i);
 721                   else if(!strcmp(dts, "int64"))
 722                      value.i64 = ((int64(*)(int64))(void *)prop.Get)(value.i64);
 723                   else if(!strcmp(dts, "unsigned int"))
 724                      value.ui = ((uint(*)(uint))(void *)prop.Get)(value.ui);
 725                   else if(!strcmp(dts, "uint64"))
 726                      value.ui64 = ((uint64(*)(uint64))(void *)prop.Get)(value.ui64);
 727                }
 728                else
 729                   break;
 730             }
 731          }
 732       }
 733       return result;
 734    }
 735 }
 736
 737 bool WriteMap(File f, Class type, Map map, int indent)
 738 {
 739    if(map)
 740    {
 741       int i;
 742       bool isFirst = true;
 743       MapIterator it { map = map };
 744       Class mapNodeClass = map._class.templateArgs[0].dataTypeClass;
 745       f.Puts("[\n");
 746       indent++;
 747
 748       while(it.Next())
 749       {
 750          MapNode n = (MapNode)it.pointer;
 751          if(!isFirst)
 752             f.Puts(",\n");
 753          else
 754             isFirst = false;
 755          for(i = 0; i<indent; i++) f.Puts("   ");
 756          _WriteJSONObject(f, mapNodeClass, n, indent);
 757       }
 758       f.Puts("\n");
 759       indent--;
 760       for(i = 0; i<indent; i++) f.Puts("   ");
 761       f.Puts("]");
 762    }
 763    else
 764       f.Puts("null");
 765    return true;
 766 }
 767
 768 bool WriteArray(File f, Class type, Container array, int indent)
 769 {
 770    if(array)
 771    {
 772       int i;
 773       bool isFirst = true;
 774       Iterator it { array };
 775       Class arrayType = type.templateArgs[0].dataTypeClass;
 776       f.Puts("[\n");
 777       indent++;
 778
 779       while(it.Next())
 780       {
 781          DataValue value { };
 782          uint64 t = ((uint64(*)(void *, void *))(void *)array.GetData)(array, it.pointer);
 783          if(!isFirst)
 784             f.Puts(",\n");
 785          else
 786             isFirst = false;
 787
 788          // Add value
 789          // TODO: Verify the matching between template type and uint64
 790          if(arrayType.type == structClass)
 791          {
 792             value.p = (void *)(uintptr)t;
 793          }
 794          else if(arrayType == class(double) || !strcmp(arrayType.dataTypeString, "double"))
 795          {
 796             value.ui64 = t;
 797             //value.d = *(double *)&t;
 798          }
 799          else if(arrayType == class(float) || !strcmp(arrayType.dataTypeString, "float"))
 800          {
 801             value.ui = (uint)t;
 802             //value.f = *(float *)&t;
 803          }
 804          else if(arrayType.typeSize == sizeof(int64) || !strcmp(arrayType.dataTypeString, "int64") ||
 805             !strcmp(arrayType.dataTypeString, "unsigned int64") || !strcmp(arrayType.dataTypeString, "uint64"))
 806          {
 807             value.ui64 = t;
 808          }
 809          else if(arrayType.typeSize == sizeof(int) || !strcmp(arrayType.dataTypeString, "int") ||
 810             !strcmp(arrayType.dataTypeString, "unsigned int") || !strcmp(arrayType.dataTypeString, "uint"))
 811          {
 812             value.i = (int)t;
 813          }
 814          else if(arrayType.typeSize == sizeof(short int) || !strcmp(arrayType.dataTypeString, "short") ||
 815             !strcmp(arrayType.dataTypeString, "unsigned short") || !strcmp(arrayType.dataTypeString, "uint16") ||
 816             !strcmp(arrayType.dataTypeString, "int16"))
 817          {
 818             value.s = (short)t;
 819          }
 820          else if(arrayType.typeSize == sizeof(byte) || !strcmp(arrayType.dataTypeString, "char") ||
 821             !strcmp(arrayType.dataTypeString, "unsigned char") || !strcmp(arrayType.dataTypeString, "byte"))
 822          {
 823             value.c = (char)t;
 824          }
 825          else
 826          {
 827             value.p = (void *)(uintptr)t;
 828          }
 829          for(i = 0; i<indent; i++) f.Puts("   ");
 830          WriteValue(f, arrayType, value, indent);
 831       }
 832       f.Puts("\n");
 833       indent--;
 834       for(i = 0; i<indent; i++) f.Puts("   ");
 835       f.Puts("]");
 836    }
 837    else
 838       f.Puts("null");
 839    return true;
 840 }
 841
 842 bool WriteNumber(File f, Class type, DataValue value, int indent)
 843 {
 844    char buffer[1024];
 845    bool needClass = false;
 846    bool quote;
 847    buffer[0] = 0;
 848    if(type == class(double) || !strcmp(type.dataTypeString, "double"))
 849       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.d, buffer, 0, &needClass);
 850    else if(type == class(float) || !strcmp(type.dataTypeString, "float"))
 851       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.f, buffer, null, &needClass);
 852    else if(!strcmp(type.dataTypeString, "int64"))
 853       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.i64, buffer, null, &needClass);
 854    else if(!strcmp(type.dataTypeString, "unsigned int64") || !strcmp(type.dataTypeString, "uint64") || type.typeSize == sizeof(int64))
 855       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.ui64, buffer, null, &needClass);
 856    else if(!strcmp(type.dataTypeString, "int"))
 857       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.i, buffer, null, &needClass);
 858    else if(!strcmp(type.dataTypeString, "unsigned int") || !strcmp(type.dataTypeString, "uint") || type.typeSize == sizeof(int))
 859       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.ui, buffer, null, &needClass);
 860    else if(!strcmp(type.dataTypeString, "short") || !strcmp(type.dataTypeString, "int16"))
 861       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.s, buffer, null, &needClass);
 862    else if(!strcmp(type.dataTypeString, "unsigned short") || !strcmp(type.dataTypeString, "uint16") || type.typeSize == sizeof(short int))
 863       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.us, buffer, null, &needClass);
 864    else if(!strcmp(type.dataTypeString, "char"))
 865       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.c, buffer, null, &needClass);
 866    else if(!strcmp(type.dataTypeString, "unsigned char") || !strcmp(type.dataTypeString, "byte") || type.typeSize == sizeof(byte))
 867       ((const char *(*)(void *, void *, char *, void *, bool *))(void *)type._vTbl[__ecereVMethodID_class_OnGetString])(type, &value.uc, buffer, null, &needClass);
 868
 869    quote = (type.type == unitClass && ((buffer[0] != '.' && !isdigit(buffer[0])) || strchr(buffer, ' ')));
 870    if(quote) f.Puts("\"");
 871    f.Puts(buffer);
 872    if(quote) f.Puts("\"");
 873    return true;
 874 }
 875
 876 bool WriteValue(File f, Class type, DataValue value, int indent)
 877 {
 878    if(!strcmp(type.name, "String") || !strcmp(type.dataTypeString, "char *"))
 879    {
 880       if(!value.p)
 881          f.Puts("null");
 882       else
 883       {
 884          f.Puts("\"");
 885          //if(strchr(value.p, '\"') || strchr(value.p, '\\'))
 886          {
 887             int c = 0;
 888             int b = 0;
 889             char buffer[1024];
 890             char * string = value.p;
 891             char ch;
 892             while(true)
 893             {
 894                ch = string[c++];
 895                if(ch == '\"')
 896                {
 897                   buffer[b] = 0;
 898                   f.Puts(buffer);
 899                   f.Puts("\\\"");
 900                   b = 0;
 901                }
 902                else if(ch == '\\')
 903                {
 904                   buffer[b] = 0;
 905                   f.Puts(buffer);
 906                   f.Puts("\\\\");
 907                   b = 0;
 908                }
 909                else if(b == sizeof(buffer)-2 || !ch)
 910                {
 911                   buffer[b++] = ch;
 912                   if(ch) buffer[b] = 0;
 913                   f.Puts(buffer);
 914                   b = 0;
 915                   if(!ch) break;
 916                }
 917                else
 918                   buffer[b++] = ch;
 919             }
 920          }
 921          /*else
 922             f.Puts(value.p);*/
 923          f.Puts("\"");
 924       }
 925    }
 926    else if(!strcmp(type.name, "bool"))
 927    {
 928       if(value.i)
 929          f.Puts("true");
 930       else
 931          f.Puts("false");
 932    }
 933    else if(!strcmp(type.name, "SetBool"))
 934    {
 935       if(value.i == SetBool::true)
 936          f.Puts("true");
 937       else if(value.i == SetBool::false)
 938          f.Puts("false");
 939       else
 940          f.Puts("unset");
 941    }
 942    else if(type.type == enumClass)
 943    {
 944       f.Puts("\"");
 945       WriteNumber(f, type, value, indent);
 946       f.Puts("\"");
 947    }
 948    else if(eClass_IsDerived(type, class(Map)))
 949    {
 950       WriteMap(f, type, value.p, indent);
 951    }
 952    else if(eClass_IsDerived(type, class(Container)))
 953    {
 954       WriteArray(f, type, value.p, indent);
 955    }
 956    else if(type.type == normalClass || type.type == noHeadClass || type.type == structClass)
 957    {
 958       _WriteJSONObject(f, type, value.p, indent);
 959    }
 960    else if(type.type == bitClass)
 961    {
 962       Class dataType;
 963       dataType = eSystem_FindClass(__thisModule, type.dataTypeString);
 964       WriteNumber(f, dataType, value, indent);
 965    }
 966    else if(type.type == systemClass || type.type == unitClass)
 967    {
 968       WriteNumber(f, type, value, indent);
 969    }
 970    return true;
 971 }
 972
 973 public bool WriteJSONObject(File f, Class objectType, void * object, int indent)
 974 {
 975    bool result = false;
 976    if(object)
 977    {
 978       result = _WriteJSONObject(f, objectType, object, indent);
 979       f.Puts("\n");
 980    }
 981    return result;
 982 }
 983
 984 static bool _WriteJSONObject(File f, Class objectType, void * object, int indent)
 985 {
 986    if(object)
 987    {
 988       const char * string = null;
 989
 990       if(objectType._vTbl[__ecereVMethodID_class_OnGetString] != objectType.base._vTbl[__ecereVMethodID_class_OnGetString])
 991       {
 992          char buffer[1024];
 993          buffer[0] = 0;
 994          string = ((const char *(*)())(void *)objectType._vTbl[__ecereVMethodID_class_OnGetString])(objectType, object, buffer, null, null);
 995       }
 996       if(string)
 997       {
 998          // TOCHECK: ProjectNode.ec why do we add quotes in OnGetString there?
 999          if(string[0] == '\"')
1000             f.Puts(string);
1001          else
1002          {
1003             f.Puts("\"");
1004             f.Puts(string);
1005             f.Puts("\"");
1006          }
1007       }
1008       else
1009       {
1010          Property prop;
1011          int c;
1012          bool isFirst = true;
1013          Class mapKeyClass = null, mapDataClass = null;
1014          Class baseClass;
1015          List<Class> bases { };
1016
1017          if(objectType.templateClass && eClass_IsDerived(objectType.templateClass, class(MapNode)))
1018          {
1019             mapKeyClass = objectType.templateArgs[0].dataTypeClass;
1020             mapDataClass = objectType.templateArgs[2].dataTypeClass;
1021          }
1022
1023          f.Puts("{\n");
1024          indent++;
1025
1026          for(baseClass = objectType; baseClass; baseClass = baseClass.base)
1027          {
1028             if(baseClass.isInstanceClass || !baseClass.base)
1029                break;
1030             bases.Insert(null, baseClass);
1031          }
1032
1033          for(baseClass : bases)
1034          {
1035             for(prop = baseClass.membersAndProperties.first; prop; prop = prop.next)
1036             {
1037                if(prop.memberAccess != publicAccess || (prop.isProperty && (!prop.Set || !prop.Get))) continue;
1038                if(prop.isProperty)
1039                {
1040                   if(!prop.conversion && (!prop.IsSet || prop.IsSet(object)))
1041                   {
1042                      DataValue value { };
1043                      Class type;
1044
1045                      if(mapKeyClass && !strcmp(prop.name, "key"))
1046                         type = mapKeyClass;
1047                      else if(mapDataClass && !strcmp(prop.name, "value"))
1048                         type = mapDataClass;
1049                      else
1050                         type = eSystem_FindClass(__thisModule, prop.dataTypeString);
1051                      if(!type)
1052                         type = eSystem_FindClass(__thisModule.application, prop.dataTypeString);
1053                      if(!type)
1054                         PrintLn("warning: Unresolved data type ", (String)prop.dataTypeString);
1055                      else
1056                      {
1057                         // TOFIX: How to swiftly handle classes with base data type?
1058                         if(type == class(double) || !strcmp(type.dataTypeString, "double"))
1059                         {
1060                            value.d = ((double (*)(void *))(void *)prop.Get)(object);
1061                         }
1062                         else if(type == class(float) || !strcmp(type.dataTypeString, "float"))
1063                         {
1064                            value.f = ((float (*)(void *))(void *)prop.Get)(object);
1065                         }
1066                         else if(type.typeSize == sizeof(int64) || !strcmp(type.dataTypeString, "int64") ||
1067                            !strcmp(type.dataTypeString, "unsigned int64") || !strcmp(type.dataTypeString, "uint64"))
1068                         {
1069                            value.ui64 = ((uint64 (*)(void *))(void *)prop.Get)(object);
1070                         }
1071                         else if(type.typeSize == sizeof(int) || !strcmp(type.dataTypeString, "int") ||
1072                            !strcmp(type.dataTypeString, "unsigned int") || !strcmp(type.dataTypeString, "uint"))
1073                         {
1074                            value.i = ((int (*)(void *))(void *)prop.Get)(object);
1075                         }
1076                         else if(type.typeSize == sizeof(short int) || !strcmp(type.dataTypeString, "short") ||
1077                            !strcmp(type.dataTypeString, "unsigned short") || !strcmp(type.dataTypeString, "uint16") ||
1078                            !strcmp(type.dataTypeString, "int16"))
1079                         {
1080                            value.s = ((short (*)(void *))(void *)prop.Get)(object);
1081                         }
1082                         else if(type.typeSize == sizeof(byte) || !strcmp(type.dataTypeString, "char") ||
1083                            !strcmp(type.dataTypeString, "unsigned char") || !strcmp(type.dataTypeString, "byte"))
1084                         {
1085                            value.c = ((char (*)(void *))(void *)prop.Get)(object);
1086                         }
1087                         else if(type.type == structClass)
1088                         {
1089                            value.p = new0 byte[type.structSize];
1090                            ((void (*)(void *, void *))(void *)prop.Get)(object, value.p);
1091                         }
1092                         else
1093                         {
1094                            value.p = ((void *(*)(void *))(void *)prop.Get)(object);
1095                         }
1096
1097                         if(!isFirst) f.Puts(",\n");
1098                         for(c = 0; c<indent; c++) f.Puts("   ");
1099
1100                         f.Puts("\"");
1101                         f.Putc((char)toupper(prop.name[0]));
1102                         f.Puts(prop.name+1);
1103                         f.Puts("\" : ");
1104                         WriteValue(f, type, value, indent);
1105                         isFirst = false;
1106                         if(type.type == structClass)
1107                            delete value.p;
1108                      }
1109                   }
1110                }
1111                else
1112                {
1113                   DataMember member = (DataMember)prop;
1114                   DataValue value { };
1115                   uint offset;
1116                   Class type = eSystem_FindClass(__thisModule, member.dataTypeString);
1117                   if(!type)
1118                      type = eSystem_FindClass(__thisModule.application, member.dataTypeString);
1119
1120                   offset = member._class.offset + member.offset;
1121
1122                   if(type)
1123                   {
1124                      if(type.type == normalClass || type.type == noHeadClass || type.type == structClass || !strcmp(type.name, "String"))
1125                      {
1126                         if(type.type == structClass)
1127                            value.p = (void *)((byte *)object + offset);
1128                         else
1129                            value.p = *(void **)((byte *)object + offset);
1130                         if(!value.p)
1131                            continue;
1132                      }
1133                      else if(type == class(double) || !strcmp(type.dataTypeString, "double"))
1134                      {
1135                         value.d = *(double *)((byte *)object + offset);
1136                      }
1137                      else if(type == class(float) || !strcmp(type.dataTypeString, "float"))
1138                      {
1139                         value.f = *(float *)((byte *)object + offset);
1140                      }
1141                      else if(type.typeSize == sizeof(int64) || !strcmp(type.dataTypeString, "int64") ||
1142                         !strcmp(type.dataTypeString, "unsigned int64") || !strcmp(type.dataTypeString, "uint64"))
1143                      {
1144                         value.ui64 = *(uint64 *)((byte *)object + offset);
1145                      }
1146                      else if(type.typeSize == sizeof(int) || !strcmp(type.dataTypeString, "int") ||
1147                         !strcmp(type.dataTypeString, "unsigned int") || !strcmp(type.dataTypeString, "uint"))
1148                      {
1149                         value.i = *(int *)((byte *)object + offset);
1150                         if(!strcmp(type.name, "bool") || type.type == enumClass)
1151                            if(!value.i)
1152                               continue;
1153                      }
1154                      else if(type.typeSize == sizeof(short int) || !strcmp(type.dataTypeString, "short") ||
1155                         !strcmp(type.dataTypeString, "unsigned short") || !strcmp(type.dataTypeString, "uint16") ||
1156                         !strcmp(type.dataTypeString, "int16"))
1157                      {
1158                         value.s = *(short *)((byte *)object + offset);
1159                      }
1160                      else if(type.typeSize == sizeof(byte) || !strcmp(type.dataTypeString, "char") ||
1161                         !strcmp(type.dataTypeString, "unsigned char") || !strcmp(type.dataTypeString, "byte"))
1162                      {
1163                         value.c = *(char *)((byte *)object + offset);
1164                      }
1165                      else
1166                      {
1167                         value.i = *(int *)((byte *)object + offset);
1168                      }
1169
1170                      if(!isFirst) f.Puts(",\n");
1171                      for(c = 0; c<indent; c++) f.Puts("   ");
1172
1173                      f.Puts("\"");
1174                      f.Putc((char)toupper(member.name[0]));
1175                      f.Puts(member.name+1);
1176                      f.Puts("\" : ");
1177                      WriteValue(f, type, value, indent);
1178                      isFirst = false;
1179                   }
1180                }
1181             }
1182          }
1183
1184          delete bases;
1185
1186          indent--;
1187          f.Puts("\n");
1188          for(c = 0; c<indent; c++) f.Puts("   "); f.Puts("}");
1189       }
1190    }
1191    else
1192       f.Puts("null");
1193    return true;
1194 }