SoftReferenceParserHook.php

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<?php
 
/*
 * 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\Form\Hooks;
 
use ‪TYPO3\CMS\Core\Database\SoftReferenceIndex;
use ‪TYPO3\CMS\Core\Resource\ResourceFactory;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪SoftReferenceParserHook extends ‪SoftReferenceIndex
{
    public function ‪findRef($table, $field, $uid, $content, $spKey, $spParams, $structurePath = '')
    {
        $this->tokenID_basePrefix = $table . ':' . $uid . ':' . $field . ':' . $structurePath . ':' . $spKey;
        $tokenId = $this->‪makeTokenID($content);
 
        $resourceFactory = GeneralUtility::makeInstance(ResourceFactory::class);
 
        try {
            $file = $resourceFactory->retrieveFileOrFolderObject($content);
        } catch (\‪Exception $e) {
            // Top level catch to ensure useful following exception handling, because FAL throws top level exceptions.
            // TYPO3\CMS\Core\Database\ReferenceIndex::getRelations() will check the return value of this hook with is_array()
            // so we return false to tell getRelations() to do nothing.
            return false;
        }
 
        if ($file === null) {
            return false;
        }
 
        return [
            'content' => '{softref:' . $tokenId . '}',
            'elements' => [
                $tokenId => [
                    'matchString' => $content,
                    'subst' => [
                        'type' => 'db',
                        'recordRef' => 'sys_file:' . $file->getUid(),
                        'tokenID' => $tokenId,
                        'tokenValue' => $content
                    ],
                ]
            ]
        ];
    }
}