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<?php
declare(strict_types=1);
/*
* 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!
*/
namespace TYPO3\CMS\Extbase\Validation\Validator;
use TYPO3\CMS\Extbase\Error\Result;
use TYPO3\CMS\Extbase\Persistence\Generic\LazyObjectStorage;
use TYPO3\CMS\Extbase\Utility\TypeHandlingUtility;
use TYPO3\CMS\Extbase\Validation\ValidatorResolver;
/**
* A generic collection validator.
*/
final class CollectionValidator extends AbstractGenericObjectValidator
{
/**
* @var array
*/
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'],
];
public function __construct(protected readonly ValidatorResolver $validatorResolver) {}
/**
* Checks if the given value is valid according to the validator, and returns
* the Error Messages object which occurred.
*/
public function validate(mixed $value): Result
{
$this->result = new Result();
if ($this->acceptsEmptyValues === false || $this->isEmpty($value) === false) {
if ((is_object($value) && !TypeHandlingUtility::isCollectionType(get_class($value))) && !is_array($value)) {
$this->addError('The given subject was not a collection.', 1317204797);
return $this->result;
}
if ($value instanceof 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;
}
/**
* Checks for a collection and if needed validates the items in the collection.
* This is done with the specified element validator or a validator based on
* the given element type.
*
* Either elementValidator or elementType must be given, otherwise validation
* will be skipped.
*/
protected function isValid(mixed $value): void
{
foreach ($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);
}
$this->result->forProperty((string)$index)->merge($collectionElementValidator->validate($collectionElement));
}
}
}