59 lines
2 KiB
PHP
59 lines
2 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* Copyright (C) 2021 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\DsSite\ViewHelpers\Format;
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use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper;
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use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithContentArgumentAndRenderStatic;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Formats a given string to be a valid HTML id attribute value.
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*/
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class IdViewHelper extends AbstractViewHelper
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{
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use CompileWithContentArgumentAndRenderStatic;
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public function initializeArguments(): void
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{
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$this->registerArgument('value', 'string', 'string to format');
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}
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public static function renderStatic(
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array $arguments,
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\Closure $renderChildrenClosure,
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RenderingContextInterface $renderingContext
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) {
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$value = $renderChildrenClosure();
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if (!is_string($value) && !(is_object($value) && method_exists($value, '__toString'))) {
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return $value;
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}
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$value = (string)$value;
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$value = str_replace(' ', '_', $value);
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$value = preg_replace('#\W#', '', $value) ?? '';
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$value = GeneralUtility::underscoredToUpperCamelCase($value);
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$value = lcfirst($value);
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return $value;
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}
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}
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