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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\ListItem;
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use League\CommonMark\Extension\TaskList\TaskListItemMarker;
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use League\CommonMark\Node\Block\Paragraph;
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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\Xml\XmlNodeRendererInterface;
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final class ListItemRenderer implements NodeRendererInterface, XmlNodeRendererInterface
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{
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/**
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* @param ListItem $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 $childRenderer): \Stringable
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{
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ListItem::assertInstanceOf($node);
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$contents = $childRenderer->renderNodes($node->children());
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if (\substr($contents, 0, 1) === '<' && ! $this->startsTaskListItem($node)) {
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$contents = "\n" . $contents;
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}
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if (\substr($contents, -1, 1) === '>') {
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$contents .= "\n";
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}
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$attrs = $node->data->get('attributes');
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return new HtmlElement('li', $attrs, $contents);
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}
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public function getXmlTagName(Node $node): string
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{
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return 'item';
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}
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/**
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* {@inheritDoc}
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*/
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public function getXmlAttributes(Node $node): array
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{
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return [];
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}
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private function startsTaskListItem(ListItem $block): bool
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{
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$firstChild = $block->firstChild();
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return $firstChild instanceof Paragraph && $firstChild->firstChild() instanceof TaskListItemMarker;
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}
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}
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