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Directory >> /var/www/html/back/vendor/league/commonmark/src/Parser/

File / Folder	Size	Action
.	-
Block	--	ren
Inline	--	ren
Cursor.php	13.979KB	edt ren
CursorState.php	1.102KB	edt ren
InlineParserContext.php	2.863KB	edt ren
InlineParserEngine.php	6.575KB	edt ren
InlineParserEngineInter...	0.628KB	edt ren
MarkdownParser.php	12.384KB	edt ren
MarkdownParserInterface...	0.534KB	edt ren
MarkdownParserState.php	1.594KB	edt ren
MarkdownParserStateInte...	1.051KB	edt ren
ParserLogicException.php	0.438KB	edt ren

<?php

declare(strict_types=1);

/*
 * 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\Parser;

use League\CommonMark\Environment\EnvironmentInterface;
use League\CommonMark\Node\Block\AbstractBlock;
use League\CommonMark\Node\Inline\AdjacentTextMerger;
use League\CommonMark\Node\Inline\Text;
use League\CommonMark\Parser\Inline\InlineParserInterface;
use League\CommonMark\Reference\ReferenceMapInterface;

/**
 * @internal
 */
final class InlineParserEngine implements InlineParserEngineInterface
{
    /** @psalm-readonly */
    private EnvironmentInterface $environment;

/** @psalm-readonly */
    private ReferenceMapInterface $referenceMap;

/**
     * @var array<int, InlineParserInterface|string|bool>
     * @psalm-var list<array{0: InlineParserInterface, 1: non-empty-string, 2: bool}>
     * @phpstan-var array<int, array{0: InlineParserInterface, 1: non-empty-string, 2: bool}>
     */
    private array $parsers = [];

public function __construct(EnvironmentInterface $environment, ReferenceMapInterface $referenceMap)
    {
        $this->environment  = $environment;
        $this->referenceMap = $referenceMap;

foreach ($environment->getInlineParsers() as $parser) {
            \assert($parser instanceof InlineParserInterface);
            $regex = $parser->getMatchDefinition()->getRegex();

$this->parsers[] = [$parser, $regex, \strlen($regex) !== \mb_strlen($regex, 'UTF-8')];
        }
    }

public function parse(string $contents, AbstractBlock $block): void
    {
        $contents = \trim($contents);
        $cursor   = new Cursor($contents);

$inlineParserContext = new InlineParserContext($cursor, $block, $this->referenceMap, $this->environment->getConfiguration()->get('max_delimiters_per_line'));

// Have all parsers look at the line to determine what they might want to parse and what positions they exist at
        foreach ($this->matchParsers($contents) as $matchPosition => $parsers) {
            $currentPosition = $cursor->getPosition();
            // We've already gone past this point
            if ($currentPosition > $matchPosition) {
                continue;
            }

// We've skipped over some uninteresting text that should be added as a plain text node
            if ($currentPosition < $matchPosition) {
                $cursor->advanceBy($matchPosition - $currentPosition);
                $this->addPlainText($cursor->getPreviousText(), $block);
            }

// We're now at a potential start - see which of the current parsers can handle it
            $parsed = false;
            foreach ($parsers as [$parser, $matches]) {
                \assert($parser instanceof InlineParserInterface);
                if ($parser->parse($inlineParserContext->withMatches($matches))) {
                    // A parser has successfully handled the text at the given position; don't consider any others at this position
                    $parsed = true;
                    break;
                }
            }

if ($parsed) {
                continue;
            }

// Despite potentially being interested, nothing actually parsed text here, so add the current character and continue onwards
            $this->addPlainText((string) $cursor->getCurrentCharacter(), $block);
            $cursor->advance();
        }

// Add any remaining text that wasn't parsed
        if (! $cursor->isAtEnd()) {
            $this->addPlainText($cursor->getRemainder(), $block);
        }

// Process any delimiters that were found
        $delimiterStack = $inlineParserContext->getDelimiterStack();
        $delimiterStack->processDelimiters(null, $this->environment->getDelimiterProcessors());
        $delimiterStack->removeAll();

// Combine adjacent text notes into one
        AdjacentTextMerger::mergeChildNodes($block);
    }

private function addPlainText(string $text, AbstractBlock $container): void
    {
        $lastInline = $container->lastChild();
        if ($lastInline instanceof Text && ! $lastInline->data->has('delim')) {
            $lastInline->append($text);
        } else {
            $container->appendChild(new Text($text));
        }
    }

/**
     * Given the current line, ask all the parsers which parts of the text they would be interested in parsing.
     *
     * The resulting array provides a list of character positions, which parsers are interested in trying to parse
     * the text at those points, and (for convenience/optimization) what the matching text happened to be.
     *
     * @return array<array<int, InlineParserInterface|string>>
     *
     * @psalm-return array<int, list<array{0: InlineParserInterface, 1: non-empty-array<string>}>>
     *
     * @phpstan-return array<int, array<int, array{0: InlineParserInterface, 1: non-empty-array<string>}>>
     */
    private function matchParsers(string $contents): array
    {
        $contents    = \trim($contents);
        $isMultibyte = ! \mb_check_encoding($contents, 'ASCII');

$ret = [];

foreach ($this->parsers as [$parser, $regex, $isRegexMultibyte]) {
            if ($isMultibyte || $isRegexMultibyte) {
                $regex .= 'u';
            }

// See if the parser's InlineParserMatch regex matched against any part of the string
            if (! \preg_match_all($regex, $contents, $matches, \PREG_OFFSET_CAPTURE | \PREG_SET_ORDER)) {
                continue;
            }

// For each part that matched...
            foreach ($matches as $match) {
                if ($isMultibyte) {
                    // PREG_OFFSET_CAPTURE always returns the byte offset, not the char offset, which is annoying
                    $offset = \mb_strlen(\substr($contents, 0, $match[0][1]), 'UTF-8');
                } else {
                    $offset = \intval($match[0][1]);
                }

// Remove the offsets, keeping only the matched text
                $m = \array_column($match, 0);

if ($m === []) {
                    continue;
                }

// Add this match to the list of character positions to stop at
                $ret[$offset][] = [$parser, $m];
            }
        }

// Sort matches by position so we visit them in order
        \ksort($ret);

return $ret;
    }
}

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