ConstantAwareTokenStream.php

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<?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\Core\TypoScript\Tokenizer\Token;
 
final class ‪ConstantAwareTokenStream extends ‪AbstractTokenStream
{
    private ?array ‪$flatConstants = null;
 
    public function ‪setFlatConstants(?array ‪$flatConstants = [])
    {
        $this->flatConstants = ‪$flatConstants;
    }
 
    public function ‪__toString(): string
    {
        $source = '';
        $this->‪reset();
        while ($token = $this->‪getNext()) {
            if ($token->getType() === TokenType::T_CONSTANT) {
                $tokenValue = ltrim(ltrim(rtrim($token->getValue(), '}'), '{'), '$');
                if (is_array($this->flatConstants) && array_key_exists($tokenValue, $this->flatConstants)) {
                    $source .= $this->flatConstants[$tokenValue];
                    continue;
                }
            }
            $source .= $token;
        }
        $this->‪reset();
        return $source;
    }
}