Current File : //home/silvzytp/dsr_code/vendor/league/commonmark/src/Extension/DescriptionList/Event/LooseDescriptionHandler.php
<?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\DescriptionList\Event;
use League\CommonMark\Event\DocumentParsedEvent;
use League\CommonMark\Extension\DescriptionList\Node\Description;
use League\CommonMark\Extension\DescriptionList\Node\DescriptionList;
use League\CommonMark\Extension\DescriptionList\Node\DescriptionTerm;
use League\CommonMark\Node\Block\Paragraph;
use League\CommonMark\Node\Inline\Newline;
use League\CommonMark\Node\NodeIterator;
final class LooseDescriptionHandler
{
public function __invoke(DocumentParsedEvent $event): void
{
foreach ($event->getDocument()->iterator(NodeIterator::FLAG_BLOCKS_ONLY) as $description) {
if (! $description instanceof Description) {
continue;
}
// Does this description need to be added to a list?
if (! $description->parent() instanceof DescriptionList) {
$list = new DescriptionList();
// Taking any preceding paragraphs with it
if (($paragraph = $description->previous()) instanceof Paragraph) {
$list->appendChild($paragraph);
}
$description->replaceWith($list);
$list->appendChild($description);
}
// Is this description preceded by a paragraph that should really be a term?
if (! (($paragraph = $description->previous()) instanceof Paragraph)) {
continue;
}
// Convert the paragraph into one or more terms
$term = new DescriptionTerm();
$paragraph->replaceWith($term);
foreach ($paragraph->children() as $child) {
if ($child instanceof Newline) {
$newTerm = new DescriptionTerm();
$term->insertAfter($newTerm);
$term = $newTerm;
continue;
}
$term->appendChild($child);
}
}
}
}
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