protected function parse()
{
/*
$exp_ip = "(%1\$s)\\.(%1\$s)\\.(%1\$s)\\.(%1\$s)";
$exp_0_199 = "(?:1?\d?\d)";
$exp_200_255 = "(?:2(?:5[0-5]|[0-4]\d))";
$exp_0_255 = sprintf("(?:%s|%s)", $exp_0_199, $exp_200_255);
$re = new regex(h\string::format($exp_ip, $exp_0_255));
*/
$re = new regex(RE_INET4);
if (!$re->match($this->literal)) {
throw new exception(sprintf(self::ERR_BAD_IP, $this->literal));
}
$refs = $re->get_pieces_by_match(0);
$this->words[0] = $this->literal->slice($refs[4][0], $refs[4][1])->as_integer();
$this->words[1] = $this->literal->slice($refs[3][0], $refs[3][1])->as_integer();
$this->words[2] = $this->literal->slice($refs[2][0], $refs[2][1])->as_integer();
$this->words[3] = $this->literal->slice($refs[1][0], $refs[1][1])->as_integer();
$this->raw = $this->words[0] + ($this->words[1] << 8) + ($this->words[2] << 16) + ($this->words[3] << 24);
}
