private function parseQuote(&$argv, $argument, $quoteType)
    {
        if (substr($argument, strlen($argument) - 1, 1) !== $quoteType) {
            $this->argv[] = substr($argument, 1);
            while (
                ($argument_part = array_shift($argv)) != null
                && substr(
                    $argument_part,
                    strlen($argument_part) - 1,
                    1
                ) !== $quoteType
            ) {
                $this->argv[count($this->argv) - 1] .= ' '.$argument_part;
            }
            $this->argv[count($this->argv) - 1] .=
            ' '.substr($argument_part, 0, strlen($argument_part) - 1);
        } else {
            $this->argv[] = substr(
                substr(
                    $argument,
                    1
                ),
                0,
                strlen($argument) - 2
            );
        }
    }