SymfonyExpressionLanguageProvidersProvider.php

Go to the documentation of this file.

<?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\Lowlevel\ConfigurationModuleProvider;
 
use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
use ‪TYPO3\CMS\Core\ExpressionLanguage\AbstractProvider as AbstractLanguageProvider;
use ‪TYPO3\CMS\Core\ExpressionLanguage\DefaultProvider;
use ‪TYPO3\CMS\Core\ExpressionLanguage\ProviderConfigurationLoader;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪SymfonyExpressionLanguageProvidersProvider extends ‪AbstractProvider
{
    public function ‪getConfiguration(): array
    {
        ‪$list = [];
        ‪$providers = GeneralUtility::makeInstance(ProviderConfigurationLoader::class)->getExpressionLanguageProviders();
 
        ‪$providers = array_merge(‪$providers, ['default' => [DefaultProvider::class]]);
 
        foreach (‪$providers as $context => $providersOfContext) {
            foreach ($providersOfContext as $providerClass) {
                $provider = GeneralUtility::makeInstance($providerClass);
                $variables = array_keys($provider->getExpressionLanguageVariables());
                if ($variables !== []) {
                    ‪$list[$context][$providerClass]['variables'] = $variables;
                }
                foreach ($provider->getExpressionLanguageProviders() as $languageProviderClass) {
                    $languageProvider = GeneralUtility::makeInstance($languageProviderClass);
                    $functions = $languageProvider->getFunctions();
                    foreach ($functions as $function) {
                        ‪$list[$context][$providerClass]['functions'][] = $function->getName();
                    }
                }
            }
        }
 
        return ‪$list;
    }
}