CollectionValidator.php

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<?php
namespace ‪TYPO3\CMS\Extbase\Validation\Validator;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
class ‪CollectionValidator extends ‪GenericObjectValidator
{
    protected ‪$supportedOptions = [
        'elementValidator' => [null, 'The validator type to use for the collection elements', 'string'],
        'elementType' => [null, 'The type of the elements in the collection', 'string'],
        'validationGroups' => [null, 'The validation groups to link to', 'string'],
    ];
 
    protected ‪$validatorResolver;
 
    public function ‪injectValidatorResolver(\‪TYPO3\CMS\‪Extbase\Validation\‪ValidatorResolver ‪$validatorResolver)
    {
        $this->validatorResolver = ‪$validatorResolver;
    }
 
    public function ‪validate($value)
    {
        $this->result = new \TYPO3\CMS\Extbase\Error\Result();
 
        if ($this->acceptsEmptyValues === false || $this->‪isEmpty($value) === false) {
            if ((is_object($value) && !\‪TYPO3\CMS\‪Extbase\Utility\‪TypeHandlingUtility::isCollectionType(get_class($value))) && !is_array($value)) {
                $this->‪addError('The given subject was not a collection.', 1317204797);
                return ‪$this->result;
            }
            if ($value instanceof \‪TYPO3\CMS\‪Extbase\Persistence\Generic\LazyObjectStorage && !$value->isInitialized()) {
                return ‪$this->result;
            }
            if (is_object($value)) {
                if ($this->‪isValidatedAlready($value)) {
                    return ‪$this->result;
                }
                $this->‪markInstanceAsValidated($value);
            }
            $this->‪isValid($value);
        }
        return ‪$this->result;
    }
 
    protected function ‪isValid($value)
    {
        foreach ($value as $index => $collectionElement) {
            if (isset($this->options['elementValidator'])) {
                $collectionElementValidator = $this->validatorResolver->createValidator($this->options['elementValidator']);
            } elseif (isset($this->options['elementType'])) {
                $collectionElementValidator = $this->validatorResolver->getBaseValidatorConjunction($this->options['elementType']);
            } else {
                return;
            }
            if ($collectionElementValidator instanceof ‪ObjectValidatorInterface) {
                $collectionElementValidator->setValidatedInstancesContainer($this->validatedInstancesContainer);
            }
            $this->result->forProperty($index)->merge($collectionElementValidator->validate($collectionElement));
        }
    }
}