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/home/getspomw/royalsquad.us/vendor/league/commonmark/src/Extension/CommonMark/Parser/Block/HeadingStartParser.php

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<?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\CommonMark\Parser\Block;

use League\CommonMark\Parser\Block\BlockStart;
use League\CommonMark\Parser\Block\BlockStartParserInterface;
use League\CommonMark\Parser\Cursor;
use League\CommonMark\Parser\MarkdownParserStateInterface;
use League\CommonMark\Util\RegexHelper;

class HeadingStartParser implements BlockStartParserInterface
{
    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
    {
        if ($cursor->isIndented() || ! \in_array($cursor->getNextNonSpaceCharacter(), ['#', '-', '='], true)) {
            return BlockStart::none();
        }

$cursor->advanceToNextNonSpaceOrTab();

if ($atxHeading = self::getAtxHeader($cursor)) {
            return BlockStart::of($atxHeading)->at($cursor);
        }

$setextHeadingLevel = self::getSetextHeadingLevel($cursor);
        if ($setextHeadingLevel > 0) {
            $content = $parserState->getParagraphContent();
            if ($content !== null) {
                $cursor->advanceToEnd();

return BlockStart::of(new HeadingParser($setextHeadingLevel, $content))
                    ->at($cursor)
                    ->replaceActiveBlockParser();
            }
        }

return BlockStart::none();
    }

private static function getAtxHeader(Cursor $cursor): ?HeadingParser
    {
        $match = RegexHelper::matchFirst('/^#{1,6}(?:[ \t]+|$)/', $cursor->getRemainder());
        if (! $match) {
            return null;
        }

$cursor->advanceToNextNonSpaceOrTab();
        $cursor->advanceBy(\strlen($match[0]));

$level = \strlen(\trim($match[0]));
        $str   = $cursor->getRemainder();
        $str   = \preg_replace('/^[ \t]*#+[ \t]*$/', '', $str);
        \assert(\is_string($str));
        $str = \preg_replace('/[ \t]+#+[ \t]*$/', '', $str);
        \assert(\is_string($str));

return new HeadingParser($level, $str);
    }

private static function getSetextHeadingLevel(Cursor $cursor): int
    {
        $match = RegexHelper::matchFirst('/^(?:=+|-+)[ \t]*$/', $cursor->getRemainder());
        if ($match === null) {
            return 0;
        }

return $match[0][0] === '=' ? 1 : 2;
    }
}

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Name	Size	Perms	Modified	Actions
BlockQuoteParser.php	1.54 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
BlockQuoteStartParser.php	1.09 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
FencedCodeParser.php	2.72 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
FencedCodeStartParser.php	1.22 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
HeadingParser.php	1.47 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
HeadingStartParser.php	2.47 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
HtmlBlockParser.php	2.24 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
HtmlBlockStartParser.php	2.08 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
IndentedCodeParser.php	2.10 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
IndentedCodeStartParser.php	1.18 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
ListBlockParser.php	2.88 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
ListBlockStartParser.php	5.45 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
ListItemParser.php	2.36 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
ThematicBreakParser.php	1.15 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive
ThematicBreakStartParser.php	1.24 KB	lrw-rw-rw-	2025-09-17 06:53:05	Edit Download recursive recursive

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