Sabberworm\CSS\Parser::parseRuleSet PHP Метод

    private function parseRuleSet($oRuleSet)
    {
        while ($this->comes(';')) {
            $this->consume(';');
            $this->consumeWhiteSpace();
        }
        while (!$this->comes('}')) {
            $oRule = null;
            if ($this->oParserSettings->bLenientParsing) {
                try {
                    $oRule = $this->parseRule();
                } catch (UnexpectedTokenException $e) {
                    try {
                        $sConsume = $this->consumeUntil(array("\n", ";", '}'), true);
                        // We need to “unfind” the matches to the end of the ruleSet as this will be matched later
                        if ($this->streql(substr($sConsume, -1), '}')) {
                            --$this->iCurrentPosition;
                        } else {
                            $this->consumeWhiteSpace();
                            while ($this->comes(';')) {
                                $this->consume(';');
                            }
                        }
                    } catch (UnexpectedTokenException $e) {
                        // We’ve reached the end of the document. Just close the RuleSet.
                        return;
                    }
                }
            } else {
                $oRule = $this->parseRule();
            }
            if ($oRule) {
                $oRuleSet->addRule($oRule);
            }
            $this->consumeWhiteSpace();
        }
        $this->consume('}');
    }