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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
* - (c) John MacFarlane
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\CommonMark\Parser\Inline;
use League\CommonMark\Extension\CommonMark\Node\Inline\Link;
use League\CommonMark\Parser\Inline\InlineParserInterface;
use League\CommonMark\Parser\Inline\InlineParserMatch;
use League\CommonMark\Parser\InlineParserContext;
use League\CommonMark\Util\UrlEncoder;
final class AutolinkParser implements InlineParserInterface
{
private const EMAIL_REGEX = '<([a-zA-Z0-9.!#$%&\'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>';
private const OTHER_LINK_REGEX = '<([A-Za-z][A-Za-z0-9.+-]{1,31}:[^<>\x00-\x20]*)>';
public function getMatchDefinition(): InlineParserMatch
{
return InlineParserMatch::regex(self::EMAIL_REGEX . '|' . self::OTHER_LINK_REGEX);
}
public function parse(InlineParserContext $inlineContext): bool
{
$inlineContext->getCursor()->advanceBy($inlineContext->getFullMatchLength());
$matches = $inlineContext->getMatches();
if ($matches[1] !== '') {
$inlineContext->getContainer()->appendChild(new Link('mailto:' . UrlEncoder::unescapeAndEncode($matches[1]), $matches[1]));
return true;
}
if ($matches[2] !== '') {
$inlineContext->getContainer()->appendChild(new Link(UrlEncoder::unescapeAndEncode($matches[2]), $matches[2]));
return true;
}
return false; // This should never happen
}
}
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