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<?php
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declare(strict_types=1);
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/*
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* This file is part of the league/commonmark package.
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*
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* (c) Colin O'Dell <colinodell@gmail.com>
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*
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* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js)
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* - (c) John MacFarlane
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace League\CommonMark\Extension\CommonMark\Renderer\Block;
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use League\CommonMark\Extension\CommonMark\Node\Block\FencedCode;
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use League\CommonMark\Node\Node;
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use League\CommonMark\Renderer\ChildNodeRendererInterface;
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use League\CommonMark\Renderer\NodeRendererInterface;
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use League\CommonMark\Util\HtmlElement;
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use League\CommonMark\Util\Xml;
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use League\CommonMark\Xml\XmlNodeRendererInterface;
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final class FencedCodeRenderer implements NodeRendererInterface, XmlNodeRendererInterface
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{
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/**
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* @param FencedCode $node
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*
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* {@inheritDoc}
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*
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* @psalm-suppress MoreSpecificImplementedParamType
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*/
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public function render(Node $node, ChildNodeRendererInterface $childRenderer): \Stringable
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{
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FencedCode::assertInstanceOf($node);
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$attrs = $node->data->getData('attributes');
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$infoWords = $node->getInfoWords();
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if (\count($infoWords) !== 0 && $infoWords[0] !== '') {
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$attrs->append('class', 'language-' . $infoWords[0]);
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}
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return new HtmlElement(
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'pre',
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[],
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new HtmlElement('code', $attrs->export(), Xml::escape($node->getLiteral()))
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);
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}
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public function getXmlTagName(Node $node): string
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{
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return 'code_block';
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}
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/**
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* @param FencedCode $node
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*
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* @return array<string, scalar>
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*
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* @psalm-suppress MoreSpecificImplementedParamType
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*/
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public function getXmlAttributes(Node $node): array
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{
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FencedCode::assertInstanceOf($node);
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if (($info = $node->getInfo()) === null || $info === '') {
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return [];
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}
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return ['info' => $info];
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}
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}
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