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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\Renderer\Block;
use League\CommonMark\Extension\CommonMark\Node\Block\FencedCode;
use League\CommonMark\Node\Node;
use League\CommonMark\Renderer\ChildNodeRendererInterface;
use League\CommonMark\Renderer\NodeRendererInterface;
use League\CommonMark\Util\HtmlElement;
use League\CommonMark\Util\Xml;
use League\CommonMark\Xml\XmlNodeRendererInterface;
final class FencedCodeRenderer implements NodeRendererInterface, XmlNodeRendererInterface
{
/**
* @param FencedCode $node
*
* {@inheritDoc}
*
* @psalm-suppress MoreSpecificImplementedParamType
*/
public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable
{
FencedCode::assertInstanceOf($node);
$attrs = $node->data->getData('attributes');
$infoWords = $node->getInfoWords();
if (\count($infoWords) !== 0 && $infoWords[0] !== '') {
$attrs->append('class', 'language-' . $infoWords[0]);
}
return new HtmlElement(
'pre',
[],
new HtmlElement('code', $attrs->export(), Xml::escape($node->getLiteral()))
);
}
public function getXmlTagName(Node $node): string
{
return 'code_block';
}
/**
* @param FencedCode $node
*
* @return array<string, scalar>
*
* @psalm-suppress MoreSpecificImplementedParamType
*/
public function getXmlAttributes(Node $node): array
{
FencedCode::assertInstanceOf($node);
if (($info = $node->getInfo()) === null || $info === '') {
return [];
}
return ['info' => $info];
}
}
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