Файл: vendor/league/commonmark/src/Extension/TaskList/TaskListItemMarkerParser.php
Строк: 96
<?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 LeagueCommonMarkExtensionTaskList;
use LeagueCommonMarkExtensionCommonMarkNodeBlockListItem;
use LeagueCommonMarkNodeBlockParagraph;
use LeagueCommonMarkParserInlineInlineParserInterface;
use LeagueCommonMarkParserInlineInlineParserMatch;
use LeagueCommonMarkParserInlineParserContext;
final class TaskListItemMarkerParser implements InlineParserInterface
{
public function getMatchDefinition(): InlineParserMatch
{
return InlineParserMatch::oneOf('[ ]', '[x]');
}
public function parse(InlineParserContext $inlineContext): bool
{
$container = $inlineContext->getContainer();
// Checkbox must come at the beginning of the first paragraph of the list item
if ($container->hasChildren() || ! ($container instanceof Paragraph && $container->parent() && $container->parent() instanceof ListItem)) {
return false;
}
$cursor = $inlineContext->getCursor();
$oldState = $cursor->saveState();
$cursor->advanceBy(3);
if ($cursor->getNextNonSpaceCharacter() === null) {
$cursor->restoreState($oldState);
return false;
}
$isChecked = $inlineContext->getFullMatch() !== '[ ]';
$container->appendChild(new TaskListItemMarker($isChecked));
return true;
}
}