Sabberworm\CSS\Parser::parseList PHP Метод

    private function parseList(CSSList $oList, $bIsRoot = false)
    {
        while (!$this->isEnd()) {
            if ($this->comes('@')) {
                $oList->append($this->parseAtRule());
            } else {
                if ($this->comes('}')) {
                    $this->consume('}');
                    if ($bIsRoot) {
                        throw new \Exception("Unopened {");
                    } else {
                        return;
                    }
                } else {
                    if ($this->oParserSettings->bLenientParsing) {
                        try {
                            $oList->append($this->parseSelector());
                        } catch (UnexpectedTokenException $e) {
                        }
                    } else {
                        $oList->append($this->parseSelector());
                    }
                }
            }
            $this->consumeWhiteSpace();
        }
        if (!$bIsRoot) {
            throw new \Exception("Unexpected end of document");
        }
    }