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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>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\FrontMatter\Data;
use League\CommonMark\Extension\FrontMatter\Exception\InvalidFrontMatterException;
use Symfony\Component\Yaml\Exception\ParseException;
use Symfony\Component\Yaml\Yaml;
final class SymfonyYamlFrontMatterParser implements FrontMatterDataParserInterface
{
/**
* {@inheritDoc}
*/
public function parse(string $frontMatter)
{
if (! \class_exists(Yaml::class)) {
throw new \RuntimeException('Failed to parse yaml: "symfony/yaml" library is missing');
}
try {
return Yaml::parse($frontMatter);
} catch (ParseException $ex) {
throw InvalidFrontMatterException::wrap($ex);
}
}
}
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