<?php

declare(strict_types=1);

/*
 * This file is developed by evoWeb.
 *
 * 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.
 */

namespace Evoweb\EwBase\ViewHelpers;

use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;

class TrimViewHelper extends AbstractViewHelper
{
    /**
     * @var bool
     */
    protected $escapeOutput = false;

    public function initializeArguments(): void
    {
        parent::initializeArguments();
        $this->registerArgument('content', 'string', 'Content to be trimmed');
        $this->registerArgument('characters', 'string', 'Characters to be removed');
    }

    public function render(): string
    {
        $content = $this->arguments['content'] ?: $this->renderChildren();
        $characters = $this->arguments['characters'] ?: null;

        if ($characters !== null) {
            $content = trim($content, $characters);
        } else {
            $content = trim($content);
        }
        return $content;
    }
}