72 lines
2.5 KiB
PHP
72 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Core\DataHandling\SoftReference;
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/**
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* Finding URLs in content
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*/
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class UrlSoftReferenceParser extends AbstractSoftReferenceParser
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{
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/**
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* We do not use a-z for letters, so we can also allow unicode characters. For this purpose we use \p{L}, for example.
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* And we must use the modifier "u" in the regex.
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* Domains may contain umlauts (ä,ö,ü).
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*
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* PHP regex with unicode character properties:
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* \p{L}: letter
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* \p{Ll}: lower case letter
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* @see https://www.php.net/manual/en/regexp.reference.unicode.php
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*/
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protected const REGEXP = '/([^[:alnum:]\'"=]+|\\s+)((https?|ftp):\\/\\/[!#$&-;=?-\[\]_\\p{L}~](?:[!#$&-;=?-\[\]_\\p{L}~]+|%[0-9\\p{L}]{2})*)/u';
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public function parse(string $table, string $field, int $uid, string $content, string $structurePath = ''): SoftReferenceParserResult
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{
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$elements = [];
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$modifiedContent = ' ' . $content . ' ';
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// Find all URLs using preg_match_all
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$matches = [];
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if (preg_match_all(self::REGEXP, $modifiedContent, $matches, PREG_SET_ORDER)) {
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// Process each match
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foreach ($matches as $idx => $match) {
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$prefix = $match[1];
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$url = $match[2];
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$tokenID = $this->makeTokenID((string)$idx);
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$elements[$idx] = [];
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$elements[$idx]['matchString'] = $url;
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if (in_array('subst', $this->parameters, true)) {
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// Replace the URL with a token in the content
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$modifiedContent = str_replace($prefix . $url, $prefix . '{softref:' . $tokenID . '}', $modifiedContent);
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$elements[$idx]['subst'] = [
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'type' => 'string',
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'tokenID' => $tokenID,
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'tokenValue' => $url,
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];
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}
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}
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}
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return SoftReferenceParserResult::create(
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substr($modifiedContent, 1, -1),
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$elements
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);
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}
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}
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