League\CommonMark\Inline\Parser\EscapableParser::parse PHP Метод

    public function parse(InlineParserContext $inlineContext)
    {
        $cursor = $inlineContext->getCursor();
        if ($cursor->getCharacter() !== '\\') {
            return false;
        }
        $nextChar = $cursor->peek();
        if ($nextChar === "\n") {
            $cursor->advanceBy(2);
            $inlineContext->getContainer()->appendChild(new Newline(Newline::HARDBREAK));
            return true;
        } elseif ($nextChar !== null && preg_match('/' . RegexHelper::REGEX_ESCAPABLE . '/', $nextChar)) {
            $cursor->advanceBy(2);
            $inlineContext->getContainer()->appendChild(new Text($nextChar));
            return true;
        }
        $cursor->advance();
        $inlineContext->getContainer()->appendChild(new Text('\\'));
        return true;
    }