Current File : //home/silvzytp/calling_code/vendor/league/commonmark/src/Extension/TableOfContents/TableOfContentsPlaceholderParser.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\TableOfContents;
use League\CommonMark\Extension\TableOfContents\Node\TableOfContentsPlaceholder;
use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
use League\CommonMark\Parser\Block\BlockContinue;
use League\CommonMark\Parser\Block\BlockContinueParserInterface;
use League\CommonMark\Parser\Block\BlockStart;
use League\CommonMark\Parser\Block\BlockStartParserInterface;
use League\CommonMark\Parser\Cursor;
use League\CommonMark\Parser\MarkdownParserStateInterface;
use League\Config\ConfigurationAwareInterface;
use League\Config\ConfigurationInterface;
final class TableOfContentsPlaceholderParser extends AbstractBlockContinueParser
{
/** @psalm-readonly */
private TableOfContentsPlaceholder $block;
public function __construct()
{
$this->block = new TableOfContentsPlaceholder();
}
public function getBlock(): TableOfContentsPlaceholder
{
return $this->block;
}
public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
{
return BlockContinue::none();
}
public static function blockStartParser(): BlockStartParserInterface
{
return new class () implements BlockStartParserInterface, ConfigurationAwareInterface {
/** @psalm-readonly-allow-private-mutation */
private ConfigurationInterface $config;
public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
{
$placeholder = $this->config->get('table_of_contents/placeholder');
if ($placeholder === null) {
return BlockStart::none();
}
// The placeholder must be the only thing on the line
if ($cursor->match('/^' . \preg_quote($placeholder, '/') . '$/') === null) {
return BlockStart::none();
}
return BlockStart::of(new TableOfContentsPlaceholderParser())->at($cursor);
}
public function setConfiguration(ConfigurationInterface $configuration): void
{
$this->config = $configuration;
}
};
}
}
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