<?php/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */namespace Symfony\Component\Form\Extension\Core\DataMapper;use Symfony\Component\Form\DataAccessorInterface;use Symfony\Component\Form\DataMapperInterface;use Symfony\Component\Form\Exception\UnexpectedTypeException;use Symfony\Component\Form\Extension\Core\DataAccessor\CallbackAccessor;use Symfony\Component\Form\Extension\Core\DataAccessor\ChainAccessor;use Symfony\Component\Form\Extension\Core\DataAccessor\PropertyPathAccessor;/** * Maps arrays/objects to/from forms using data accessors. * * @author Bernhard Schussek <bschussek@gmail.com> */class DataMapper implements DataMapperInterface{ private $dataAccessor; public function __construct(?DataAccessorInterface $dataAccessor = null) { $this->dataAccessor = $dataAccessor ?? new ChainAccessor([ new CallbackAccessor(), new PropertyPathAccessor(), ]); } /** * {@inheritdoc} */ public function mapDataToForms($data, iterable $forms): void { if (\is_array($forms)) { trigger_deprecation('symfony/form', '5.3', 'Passing an array as the second argument of the "%s()" method is deprecated, pass "\Traversable" instead.', __METHOD__); } $empty = null === $data || [] === $data; if (!$empty && !\is_array($data) && !\is_object($data)) { throw new UnexpectedTypeException($data, 'object, array or empty'); } foreach ($forms as $form) { $config = $form->getConfig(); if (!$empty && $config->getMapped() && $this->dataAccessor->isReadable($data, $form)) { $form->setData($this->dataAccessor->getValue($data, $form)); } else { $form->setData($config->getData()); } } } /** * {@inheritdoc} */ public function mapFormsToData(iterable $forms, &$data): void { if (\is_array($forms)) { trigger_deprecation('symfony/form', '5.3', 'Passing an array as the first argument of the "%s()" method is deprecated, pass "\Traversable" instead.', __METHOD__); } if (null === $data) { return; } if (!\is_array($data) && !\is_object($data)) { throw new UnexpectedTypeException($data, 'object, array or empty'); } foreach ($forms as $form) { $config = $form->getConfig(); // Write-back is disabled if the form is not synchronized (transformation failed), // if the form was not submitted and if the form is disabled (modification not allowed) if ($config->getMapped() && $form->isSubmitted() && $form->isSynchronized() && !$form->isDisabled() && $this->dataAccessor->isWritable($data, $form)) { $this->dataAccessor->setValue($data, $form->getData(), $form); } } } /** * @internal */ public function getDataAccessor(): DataAccessorInterface { return $this->dataAccessor; }}