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78 lines
2.6 KiB
PHP
78 lines
2.6 KiB
PHP
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<?php
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declare(strict_types=1);
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/*
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* Copyright (C) 2022 Daniel Siepmann <coding@daniel-siepmann.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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namespace DanielSiepmann\Tracking\Domain\ExpressionLanguage;
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use DanielSiepmann\Tracking\Domain\Model\Expression;
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use DanielSiepmann\Tracking\Domain\Model\SymfonyExpression;
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use Psr\Http\Message\ServerRequestInterface;
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use Symfony\Component\ExpressionLanguage\ExpressionFunction;
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use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
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use TYPO3\CMS\Core\Context\Context;
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use TYPO3\CMS\Core\Utility\ArrayUtility;
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use TYPO3\CMS\Core\Utility\Exception\MissingArrayPathException;
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class SymfonyExpressionLanguage implements Factory
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{
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public function create(
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string $expression,
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ServerRequestInterface $request,
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Context $context
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): Expression {
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$language = new ExpressionLanguage();
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$this->registerTraverseFunction($language);
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return new SymfonyExpression(
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$expression,
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[
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'context' => $context,
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'request' => $request,
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],
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$language
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);
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}
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/**
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* Taken from TYPO3 Core, see: https://docs.typo3.org/m/typo3/reference-typoscript/11.5/en-us/Conditions/Index.html#traverse
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*/
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private function registerTraverseFunction(ExpressionLanguage $language): void
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{
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$language->register(
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'traverse',
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static function () {
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// Not implemented, we only use the evaluator
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},
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static function ($arguments, $array, $path) {
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if (!is_array($array) || !is_string($path) || $path === '') {
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return '';
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}
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try {
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return ArrayUtility::getValueByPath($array, $path);
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} catch (MissingArrayPathException $e) {
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return '';
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}
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}
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);
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}
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}
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