| 1 | <?php |
| 2 | |
| 3 | namespace wcf\data; |
| 4 | |
| 5 | use wcf\system\event\EventHandler; |
| 6 | use wcf\system\exception\PermissionDeniedException; |
| 7 | use wcf\system\exception\SystemException; |
| 8 | use wcf\system\exception\UserInputException; |
| 9 | use wcf\system\request\RequestHandler; |
| 10 | use wcf\system\WCF; |
| 11 | use wcf\util\ArrayUtil; |
| 12 | use wcf\util\JSON; |
| 13 | use wcf\util\StringUtil; |
| 14 | |
| 15 | /** |
| 16 | * Default implementation for DatabaseObject-related actions. |
| 17 | * |
| 18 | * @author Alexander Ebert |
| 19 | * @copyright 2001-2020 WoltLab GmbH |
| 20 | * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php> |
| 21 | * @package WoltLabSuite\Core\Data |
| 22 | */ |
| 23 | abstract class AbstractDatabaseObjectAction implements IDatabaseObjectAction, IDeleteAction |
| 24 | { |
| 25 | /** |
| 26 | * pending action |
| 27 | * @var string |
| 28 | */ |
| 29 | protected $action = ''; |
| 30 | |
| 31 | /** |
| 32 | * object editor class name |
| 33 | * @var string |
| 34 | */ |
| 35 | protected $className = ''; |
| 36 | |
| 37 | /** |
| 38 | * list of object ids |
| 39 | * @var int[] |
| 40 | */ |
| 41 | protected $objectIDs = []; |
| 42 | |
| 43 | /** |
| 44 | * list of object editors |
| 45 | * @var DatabaseObjectEditor[] |
| 46 | */ |
| 47 | protected $objects = []; |
| 48 | |
| 49 | /** |
| 50 | * multi-dimensional array of parameters required by an action |
| 51 | * @var array |
| 52 | */ |
| 53 | protected $parameters = []; |
| 54 | |
| 55 | /** |
| 56 | * list of permissions required to create objects |
| 57 | * @var string[] |
| 58 | */ |
| 59 | protected $permissionsCreate = []; |
| 60 | |
| 61 | /** |
| 62 | * list of permissions required to delete objects |
| 63 | * @var string[] |
| 64 | */ |
| 65 | protected $permissionsDelete = []; |
| 66 | |
| 67 | /** |
| 68 | * list of permissions required to update objects |
| 69 | * @var string[] |
| 70 | */ |
| 71 | protected $permissionsUpdate = []; |
| 72 | |
| 73 | /** |
| 74 | * disallow requests for specified methods if the origin is not the ACP |
| 75 | * @var string[] |
| 76 | */ |
| 77 | protected $requireACP = []; |
| 78 | |
| 79 | /** |
| 80 | * Resets cache if any of the listed actions is invoked |
| 81 | * @var string[] |
| 82 | */ |
| 83 | protected $resetCache = ['create', 'delete', 'toggle', 'update', 'updatePosition']; |
| 84 | |
| 85 | /** |
| 86 | * values returned by executed action |
| 87 | * @var mixed |
| 88 | */ |
| 89 | protected $returnValues; |
| 90 | |
| 91 | /** |
| 92 | * allows guest access for all specified methods, by default guest access |
| 93 | * is completely disabled |
| 94 | * @var string[] |
| 95 | */ |
| 96 | protected $allowGuestAccess = []; |
| 97 | |
| 98 | const TYPE_INTEGER = 1; |
| 99 | |
| 100 | const TYPE_STRING = 2; |
| 101 | |
| 102 | const TYPE_BOOLEAN = 3; |
| 103 | |
| 104 | const TYPE_JSON = 4; |
| 105 | |
| 106 | const STRUCT_FLAT = 1; |
| 107 | |
| 108 | const STRUCT_ARRAY = 2; |
| 109 | |
| 110 | /** |
| 111 | * Initialize a new DatabaseObject-related action. |
| 112 | * |
| 113 | * @param mixed[] $objects |
| 114 | * @param string $action |
| 115 | * @param array $parameters |
| 116 | * @throws SystemException |
| 117 | */ |
| 118 | public function __construct(array $objects, $action, array $parameters = []) |
| 119 | { |
| 120 | // set class name |
| 121 | if (empty($this->className)) { |
| 122 | $className = \get_called_class(); |
| 123 | |
| 124 | if (\mb_substr($className, -6) == 'Action') { |
| 125 | $this->className = \mb_substr($className, 0, -6) . 'Editor'; |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | $indexName = \call_user_func([$this->className, 'getDatabaseTableIndexName']); |
| 130 | $baseClass = \call_user_func([$this->className, 'getBaseClass']); |
| 131 | |
| 132 | foreach ($objects as $object) { |
| 133 | if (\is_object($object)) { |
| 134 | if ($object instanceof $this->className) { |
| 135 | $this->objects[] = $object; |
| 136 | } elseif ($object instanceof $baseClass) { |
| 137 | $this->objects[] = new $this->className($object); |
| 138 | } else { |
| 139 | throw new SystemException('invalid value of parameter objects given'); |
| 140 | } |
| 141 | |
| 142 | /** @noinspection PhpVariableVariableInspection */ |
| 143 | $this->objectIDs[] = $object->{$indexName}; |
| 144 | } else { |
| 145 | $this->objectIDs[] = $object; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | $this->action = $action; |
| 150 | $this->parameters = $parameters; |
| 151 | |
| 152 | // initialize further settings |
| 153 | $this->__init($baseClass, $indexName); |
| 154 | |
| 155 | // fire event action |
| 156 | EventHandler::getInstance()->fireAction($this, 'initializeAction'); |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * This function can be overridden in children to perform custom initialization |
| 161 | * of a DBOAction before the 'initializeAction' event is fired. |
| 162 | * |
| 163 | * @param string $baseClass |
| 164 | * @param string $indexName |
| 165 | */ |
| 166 | protected function __init($baseClass, $indexName) |
| 167 | { |
| 168 | // does nothing |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * @inheritDoc |
| 173 | */ |
| 174 | public function validateAction() |
| 175 | { |
| 176 | // validate if user is logged in |
| 177 | if (!WCF::getUser()->userID && !\in_array($this->getActionName(), $this->allowGuestAccess)) { |
| 178 | throw new PermissionDeniedException(); |
| 179 | } elseif ( |
| 180 | !RequestHandler::getInstance()->isACPRequest() && \in_array( |
| 181 | $this->getActionName(), |
| 182 | $this->requireACP |
| 183 | ) |
| 184 | ) { |
| 185 | // attempt to invoke method, but origin is not the ACP |
| 186 | throw new PermissionDeniedException(); |
| 187 | } |
| 188 | |
| 189 | // validate action name |
| 190 | if (!\method_exists($this, $this->getActionName())) { |
| 191 | throw new SystemException("unknown action '" . $this->getActionName() . "'"); |
| 192 | } |
| 193 | |
| 194 | $actionName = 'validate' . StringUtil::firstCharToUpperCase($this->getActionName()); |
| 195 | if (!\method_exists($this, $actionName)) { |
| 196 | throw new PermissionDeniedException(); |
| 197 | } |
| 198 | |
| 199 | // validate action |
| 200 | $this->{$actionName}(); |
| 201 | |
| 202 | // fire event action |
| 203 | EventHandler::getInstance()->fireAction($this, 'validateAction'); |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * @inheritDoc |
| 208 | */ |
| 209 | public function executeAction() |
| 210 | { |
| 211 | // execute action |
| 212 | if (!\method_exists($this, $this->getActionName())) { |
| 213 | throw new SystemException("call to undefined function '" . $this->getActionName() . "'"); |
| 214 | } |
| 215 | |
| 216 | $this->returnValues = $this->{$this->getActionName()}(); |
| 217 | |
| 218 | // reset cache |
| 219 | if (\in_array($this->getActionName(), $this->resetCache)) { |
| 220 | $this->resetCache(); |
| 221 | } |
| 222 | |
| 223 | // fire event action |
| 224 | EventHandler::getInstance()->fireAction($this, 'finalizeAction'); |
| 225 | |
| 226 | return $this->getReturnValues(); |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * Resets cache of database object. |
| 231 | */ |
| 232 | protected function resetCache() |
| 233 | { |
| 234 | if (\is_subclass_of($this->className, IEditableCachedObject::class)) { |
| 235 | \call_user_func([$this->className, 'resetCache']); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * @inheritDoc |
| 241 | */ |
| 242 | public function getActionName() |
| 243 | { |
| 244 | return $this->action; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * @inheritDoc |
| 249 | */ |
| 250 | public function getObjectIDs() |
| 251 | { |
| 252 | return $this->objectIDs; |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Sets the database objects. |
| 257 | * |
| 258 | * @param DatabaseObject[] $objects |
| 259 | */ |
| 260 | public function setObjects(array $objects) |
| 261 | { |
| 262 | $this->objects = $objects; |
| 263 | |
| 264 | // update object IDs |
| 265 | $this->objectIDs = []; |
| 266 | foreach ($this->getObjects() as $object) { |
| 267 | $this->objectIDs[] = $object->getObjectID(); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * @inheritDoc |
| 273 | */ |
| 274 | public function getParameters() |
| 275 | { |
| 276 | return $this->parameters; |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * @inheritDoc |
| 281 | */ |
| 282 | public function getReturnValues() |
| 283 | { |
| 284 | return [ |
| 285 | 'actionName' => $this->action, |
| 286 | 'objectIDs' => $this->getObjectIDs(), |
| 287 | 'returnValues' => $this->returnValues, |
| 288 | ]; |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * Validates permissions and parameters. |
| 293 | */ |
| 294 | public function validateCreate() |
| 295 | { |
| 296 | // validate permissions |
| 297 | if (\is_array($this->permissionsCreate) && !empty($this->permissionsCreate)) { |
| 298 | WCF::getSession()->checkPermissions($this->permissionsCreate); |
| 299 | } else { |
| 300 | throw new PermissionDeniedException(); |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | /** |
| 305 | * @inheritDoc |
| 306 | */ |
| 307 | public function validateDelete() |
| 308 | { |
| 309 | // validate permissions |
| 310 | if (\is_array($this->permissionsDelete) && !empty($this->permissionsDelete)) { |
| 311 | WCF::getSession()->checkPermissions($this->permissionsDelete); |
| 312 | } else { |
| 313 | throw new PermissionDeniedException(); |
| 314 | } |
| 315 | |
| 316 | // read objects |
| 317 | if (empty($this->objects)) { |
| 318 | $this->readObjects(); |
| 319 | |
| 320 | if (empty($this->objects)) { |
| 321 | throw new UserInputException('objectIDs'); |
| 322 | } |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | /** |
| 327 | * Validates permissions and parameters. |
| 328 | */ |
| 329 | public function validateUpdate() |
| 330 | { |
| 331 | // validate permissions |
| 332 | if (\is_array($this->permissionsUpdate) && !empty($this->permissionsUpdate)) { |
| 333 | WCF::getSession()->checkPermissions($this->permissionsUpdate); |
| 334 | } else { |
| 335 | throw new PermissionDeniedException(); |
| 336 | } |
| 337 | |
| 338 | // read objects |
| 339 | if (empty($this->objects)) { |
| 340 | $this->readObjects(); |
| 341 | |
| 342 | if (empty($this->objects)) { |
| 343 | throw new UserInputException('objectIDs'); |
| 344 | } |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | /** |
| 349 | * Creates new database object. |
| 350 | * |
| 351 | * @return DatabaseObject |
| 352 | */ |
| 353 | public function create() |
| 354 | { |
| 355 | return \call_user_func([$this->className, 'create'], $this->parameters['data']); |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * @inheritDoc |
| 360 | */ |
| 361 | public function delete() |
| 362 | { |
| 363 | if (empty($this->objects)) { |
| 364 | $this->readObjects(); |
| 365 | } |
| 366 | |
| 367 | // get ids |
| 368 | $objectIDs = []; |
| 369 | foreach ($this->getObjects() as $object) { |
| 370 | $objectIDs[] = $object->getObjectID(); |
| 371 | } |
| 372 | |
| 373 | // execute action |
| 374 | return \call_user_func([$this->className, 'deleteAll'], $objectIDs); |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Updates data. |
| 379 | */ |
| 380 | public function update() |
| 381 | { |
| 382 | if (empty($this->objects)) { |
| 383 | $this->readObjects(); |
| 384 | } |
| 385 | |
| 386 | if (isset($this->parameters['data'])) { |
| 387 | foreach ($this->getObjects() as $object) { |
| 388 | $object->update($this->parameters['data']); |
| 389 | } |
| 390 | } |
| 391 | |
| 392 | if (isset($this->parameters['counters'])) { |
| 393 | foreach ($this->getObjects() as $object) { |
| 394 | $object->updateCounters($this->parameters['counters']); |
| 395 | } |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | * Reads data by data id. |
| 401 | */ |
| 402 | protected function readObjects() |
| 403 | { |
| 404 | if (empty($this->objectIDs)) { |
| 405 | return; |
| 406 | } |
| 407 | |
| 408 | // get base class |
| 409 | $baseClass = \call_user_func([$this->className, 'getBaseClass']); |
| 410 | |
| 411 | // get db information |
| 412 | $tableName = \call_user_func([$this->className, 'getDatabaseTableName']); |
| 413 | $indexName = \call_user_func([$this->className, 'getDatabaseTableIndexName']); |
| 414 | |
| 415 | // get objects |
| 416 | $sql = "SELECT * |
| 417 | FROM " . $tableName . " |
| 418 | WHERE " . $indexName . " IN (" . \str_repeat('?,', \count($this->objectIDs) - 1) . "?)"; |
| 419 | $statement = WCF::getDB()->prepareStatement($sql); |
| 420 | $statement->execute($this->objectIDs); |
| 421 | while ($object = $statement->fetchObject($baseClass)) { |
| 422 | $this->objects[] = new $this->className($object); |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | /** |
| 427 | * Returns a single object and throws a UserInputException if no or more than one object is given. |
| 428 | * |
| 429 | * @return DatabaseObject |
| 430 | * @throws UserInputException |
| 431 | */ |
| 432 | protected function getSingleObject() |
| 433 | { |
| 434 | if (empty($this->objects)) { |
| 435 | $this->readObjects(); |
| 436 | } |
| 437 | |
| 438 | if (\count($this->objects) != 1) { |
| 439 | throw new UserInputException('objectIDs'); |
| 440 | } |
| 441 | |
| 442 | \reset($this->objects); |
| 443 | |
| 444 | return \current($this->objects); |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * Reads an integer value and validates it. |
| 449 | * |
| 450 | * @param string $variableName |
| 451 | * @param bool $allowEmpty |
| 452 | * @param string $arrayIndex |
| 453 | */ |
| 454 | protected function readInteger($variableName, $allowEmpty = false, $arrayIndex = '') |
| 455 | { |
| 456 | $this->readValue($variableName, $allowEmpty, $arrayIndex, self::TYPE_INTEGER, self::STRUCT_FLAT); |
| 457 | } |
| 458 | |
| 459 | /** |
| 460 | * Reads an integer array and validates it. |
| 461 | * |
| 462 | * @param string $variableName |
| 463 | * @param bool $allowEmpty |
| 464 | * @param string $arrayIndex |
| 465 | * @since 3.0 |
| 466 | */ |
| 467 | protected function readIntegerArray($variableName, $allowEmpty = false, $arrayIndex = '') |
| 468 | { |
| 469 | $this->readValue($variableName, $allowEmpty, $arrayIndex, self::TYPE_INTEGER, self::STRUCT_ARRAY); |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * Reads a string value and validates it. |
| 474 | * |
| 475 | * @param string $variableName |
| 476 | * @param bool $allowEmpty |
| 477 | * @param string $arrayIndex |
| 478 | */ |
| 479 | protected function readString($variableName, $allowEmpty = false, $arrayIndex = '') |
| 480 | { |
| 481 | $this->readValue($variableName, $allowEmpty, $arrayIndex, self::TYPE_STRING, self::STRUCT_FLAT); |
| 482 | } |
| 483 | |
| 484 | /** |
| 485 | * Reads a string array and validates it. |
| 486 | * |
| 487 | * @param string $variableName |
| 488 | * @param bool $allowEmpty |
| 489 | * @param string $arrayIndex |
| 490 | * @since 3.0 |
| 491 | */ |
| 492 | protected function readStringArray($variableName, $allowEmpty = false, $arrayIndex = '') |
| 493 | { |
| 494 | $this->readValue($variableName, $allowEmpty, $arrayIndex, self::TYPE_STRING, self::STRUCT_ARRAY); |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * Reads a boolean value and validates it. |
| 499 | * |
| 500 | * @param string $variableName |
| 501 | * @param bool $allowEmpty |
| 502 | * @param string $arrayIndex |
| 503 | */ |
| 504 | protected function readBoolean($variableName, $allowEmpty = false, $arrayIndex = '') |
| 505 | { |
| 506 | $this->readValue($variableName, $allowEmpty, $arrayIndex, self::TYPE_BOOLEAN, self::STRUCT_FLAT); |
| 507 | } |
| 508 | |
| 509 | /** |
| 510 | * Reads a json-encoded value and validates it. |
| 511 | * |
| 512 | * @param string $variableName |
| 513 | * @param bool $allowEmpty |
| 514 | * @param string $arrayIndex |
| 515 | */ |
| 516 | protected function readJSON($variableName, $allowEmpty = false, $arrayIndex = '') |
| 517 | { |
| 518 | $this->readValue($variableName, $allowEmpty, $arrayIndex, self::TYPE_JSON, self::STRUCT_FLAT); |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * Reads a value and validates it. If you set $allowEmpty to true, no exception will |
| 523 | * be thrown if the variable evaluates to 0 (int) or '' (string). Furthermore the |
| 524 | * variable will be always created with a sane value if it does not exist. |
| 525 | * |
| 526 | * @param string $variableName |
| 527 | * @param bool $allowEmpty |
| 528 | * @param string $arrayIndex |
| 529 | * @param int $type |
| 530 | * @param int $structure |
| 531 | * @throws SystemException |
| 532 | * @throws UserInputException |
| 533 | */ |
| 534 | protected function readValue($variableName, $allowEmpty, $arrayIndex, $type, $structure) |
| 535 | { |
| 536 | if ($arrayIndex) { |
| 537 | if (!isset($this->parameters[$arrayIndex])) { |
| 538 | if ($allowEmpty) { |
| 539 | // Implicitly create the structure to permit implicitly defined values. |
| 540 | $this->parameters[$arrayIndex] = []; |
| 541 | } else { |
| 542 | throw new SystemException("Corrupt parameters, index '" . $arrayIndex . "' is missing"); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | $target = &$this->parameters[$arrayIndex]; |
| 547 | } else { |
| 548 | $target = &$this->parameters; |
| 549 | } |
| 550 | |
| 551 | switch ($type) { |
| 552 | case self::TYPE_INTEGER: |
| 553 | if (!isset($target[$variableName])) { |
| 554 | if ($allowEmpty) { |
| 555 | $target[$variableName] = ($structure === self::STRUCT_FLAT) ? 0 : []; |
| 556 | } else { |
| 557 | throw new UserInputException($variableName); |
| 558 | } |
| 559 | } else { |
| 560 | if ($structure === self::STRUCT_FLAT) { |
| 561 | $target[$variableName] = \intval($target[$variableName]); |
| 562 | if (!$allowEmpty && !$target[$variableName]) { |
| 563 | throw new UserInputException($variableName); |
| 564 | } |
| 565 | } else { |
| 566 | $target[$variableName] = ArrayUtil::toIntegerArray($target[$variableName]); |
| 567 | if (!\is_array($target[$variableName])) { |
| 568 | throw new UserInputException($variableName); |
| 569 | } |
| 570 | |
| 571 | for ($i = 0, $length = \count($target[$variableName]); $i < $length; $i++) { |
| 572 | if ($target[$variableName][$i] === 0) { |
| 573 | throw new UserInputException($variableName); |
| 574 | } |
| 575 | } |
| 576 | } |
| 577 | } |
| 578 | break; |
| 579 | |
| 580 | case self::TYPE_STRING: |
| 581 | if (!isset($target[$variableName])) { |
| 582 | if ($allowEmpty) { |
| 583 | $target[$variableName] = ($structure === self::STRUCT_FLAT) ? '' : []; |
| 584 | } else { |
| 585 | throw new UserInputException($variableName); |
| 586 | } |
| 587 | } else { |
| 588 | if ($structure === self::STRUCT_FLAT) { |
| 589 | $target[$variableName] = StringUtil::trim($target[$variableName]); |
| 590 | if (!$allowEmpty && $target[$variableName] === '') { |
| 591 | throw new UserInputException($variableName); |
| 592 | } |
| 593 | } else { |
| 594 | $target[$variableName] = ArrayUtil::trim($target[$variableName]); |
| 595 | if (!\is_array($target[$variableName])) { |
| 596 | throw new UserInputException($variableName); |
| 597 | } |
| 598 | |
| 599 | for ($i = 0, $length = \count($target[$variableName]); $i < $length; $i++) { |
| 600 | if ($target[$variableName][$i] === '') { |
| 601 | throw new UserInputException($variableName); |
| 602 | } |
| 603 | } |
| 604 | } |
| 605 | } |
| 606 | break; |
| 607 | |
| 608 | case self::TYPE_BOOLEAN: |
| 609 | if (!isset($target[$variableName])) { |
| 610 | if ($allowEmpty) { |
| 611 | $target[$variableName] = false; |
| 612 | } else { |
| 613 | throw new UserInputException($variableName); |
| 614 | } |
| 615 | } else { |
| 616 | if (\is_numeric($target[$variableName])) { |
| 617 | $target[$variableName] = (bool)$target[$variableName]; |
| 618 | } else { |
| 619 | $target[$variableName] = $target[$variableName] != 'false'; |
| 620 | } |
| 621 | } |
| 622 | break; |
| 623 | |
| 624 | case self::TYPE_JSON: |
| 625 | if (!isset($target[$variableName])) { |
| 626 | if ($allowEmpty) { |
| 627 | $target[$variableName] = []; |
| 628 | } else { |
| 629 | throw new UserInputException($variableName); |
| 630 | } |
| 631 | } else { |
| 632 | try { |
| 633 | $target[$variableName] = JSON::decode($target[$variableName]); |
| 634 | } catch (SystemException $e) { |
| 635 | throw new UserInputException($variableName); |
| 636 | } |
| 637 | |
| 638 | if (!$allowEmpty && empty($target[$variableName])) { |
| 639 | throw new UserInputException($variableName); |
| 640 | } |
| 641 | } |
| 642 | break; |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | /** |
| 647 | * Returns object class name. |
| 648 | * |
| 649 | * @return string |
| 650 | */ |
| 651 | public function getClassName() |
| 652 | { |
| 653 | return $this->className; |
| 654 | } |
| 655 | |
| 656 | /** |
| 657 | * Returns a list of currently loaded objects. |
| 658 | * |
| 659 | * @return DatabaseObjectEditor[] |
| 660 | */ |
| 661 | public function getObjects() |
| 662 | { |
| 663 | return $this->objects; |
| 664 | } |
| 665 | } |