GenericObjectValidator.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!
 */
 
use ‪TYPO3\CMS\Extbase\Reflection\ObjectAccess;
 
class ‪GenericObjectValidator extends ‪AbstractValidator implements ‪ObjectValidatorInterface
{
    protected ‪$propertyValidators = [];
 
    public function ‪validate($value)
    {
        if (is_object($value) && $this->‪isValidatedAlready($value)) {
            return ‪$this->result;
        }
 
        $this->result = new \TYPO3\CMS\Extbase\Error\Result();
        if ($this->acceptsEmptyValues === false || $this->‪isEmpty($value) === false) {
            if (!is_object($value)) {
                $this->‪addError('Object expected, %1$s given.', 1241099149, [gettype($value)]);
            } elseif ($this->‪isValidatedAlready($value) === false) {
                $this->‪markInstanceAsValidated($value);
                $this->‪isValid($value);
            }
        }
 
        return ‪$this->result;
    }
 
    protected function ‪getPropertyValue($object, $propertyName)
    {
        // @todo add support for lazy loading proxies, if needed
        if (‪ObjectAccess::isPropertyGettable($object, $propertyName)) {
            return ‪ObjectAccess::getProperty($object, $propertyName);
        }
        return ‪ObjectAccess::getProperty($object, $propertyName, true);
    }
 
    protected function ‪checkProperty($value, $validators, $propertyName)
    {
        ‪$result = null;
        foreach ($validators as ‪$validator) {
            if (‪$validator instanceof ‪ObjectValidatorInterface) {
                ‪$validator->setValidatedInstancesContainer($this->validatedInstancesContainer);
            }
            $currentResult = ‪$validator->validate($value);
            if ($currentResult->hasMessages()) {
                if (‪$result == null) {
                    ‪$result = $currentResult;
                } else {
                    ‪$result->merge($currentResult);
                }
            }
        }
        if (‪$result != null) {
            $this->result->forProperty($propertyName)->merge(‪$result);
        }
    }
 
    protected function ‪isValid($object)
    {
        foreach ($this->propertyValidators as $propertyName => $validators) {
            $propertyValue = $this->‪getPropertyValue($object, $propertyName);
            $this->‪checkProperty($propertyValue, $validators, $propertyName);
        }
    }
 
    public function ‪canValidate($object)
    {
        return is_object($object);
    }
 
    public function ‪addPropertyValidator($propertyName, ‪ValidatorInterface ‪$validator)
    {
        if (!isset($this->propertyValidators[$propertyName])) {
            $this->propertyValidators[$propertyName] = new \SplObjectStorage();
        }
        $this->propertyValidators[$propertyName]->attach(‪$validator);
    }
 
    protected function ‪isValidatedAlready($object)
    {
        if ($this->validatedInstancesContainer === null) {
            $this->validatedInstancesContainer = new \SplObjectStorage();
        }
        if ($this->validatedInstancesContainer->contains($object)) {
            return true;
        }
 
        return false;
    }
 
    protected function ‪markInstanceAsValidated($object): void
    {
        $this->validatedInstancesContainer->attach($object);
    }
 
    public function ‪getPropertyValidators($propertyName = null)
    {
        if ($propertyName !== null) {
            return $this->propertyValidators[$propertyName] ?? [];
        }
        return ‪$this->propertyValidators;
    }
 
    protected ‪$validatedInstancesContainer;
 
    public function ‪setValidatedInstancesContainer(\SplObjectStorage ‪$validatedInstancesContainer)
    {
        $this->validatedInstancesContainer = ‪$validatedInstancesContainer;
    }
}