Viewing file:  ListItemRenderer.php (1.88 KB) -rw-r--r--
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<?php
/*
* 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\Block\Renderer;
use League\CommonMark\Block\Element\AbstractBlock;
use League\CommonMark\Block\Element\ListItem;
use League\CommonMark\Block\Element\Paragraph;
use League\CommonMark\ElementRendererInterface;
use League\CommonMark\Extension\TaskList\TaskListItemMarker;
use League\CommonMark\HtmlElement;
final class ListItemRenderer implements BlockRendererInterface
{
/**
* @param ListItem $block
* @param ElementRendererInterface $htmlRenderer
* @param bool $inTightList
*
* @return string
*/
public function render(AbstractBlock $block, ElementRendererInterface $htmlRenderer, bool $inTightList = false)
{
if (!($block instanceof ListItem)) {
throw new \InvalidArgumentException('Incompatible block type: ' . \get_class($block));
}
$contents = $htmlRenderer->renderBlocks($block->children(), $inTightList);
if (\substr($contents, 0, 1) === '<' && !$this->startsTaskListItem($block)) {
$contents = "\n" . $contents;
}
if (\substr($contents, -1, 1) === '>') {
$contents .= "\n";
}
$attrs = $block->getData('attributes', []);
$li = new HtmlElement('li', $attrs, $contents);
return $li;
}
private function startsTaskListItem(ListItem $block): bool
{
$firstChild = $block->firstChild();
return $firstChild instanceof Paragraph && $firstChild->firstChild() instanceof TaskListItemMarker;
}
}
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