Parse a DSN

ParseDSN

// returns the individual fields for a dsn, or an error
func ParseDSN(input string) (error error, host string, port string, user string, password string, database string) {
  args := strings.Split(string(input), ",")
	if len(args) < 1 {
		return errors.New("Seems like " + string(input) + " is not a valid dsn"), "", "", "", "", ""
	}
	for i := 0; i < len(args); i++ {
		tmp := strings.Split(args[i], "=")
		if len(tmp) < 2 {
			return errors.New("I can't parse " + args[i]), "", "", "", "", ""
		}
		switch tmp[0] {
		case "h":
			{
				host = tmp[1]
			}
		case "P":
			{
				port = tmp[1]
			}
		case "p":
			{
				password = tmp[1]
			}
		case "u":
			{
				user = tmp[1]
			}
		case "D":
			{
				database = tmp[1]
			}
		default:
			{
				return errors.New("Bad option (" + tmp[0] + " while parsing DSN"), "", "", "", "", ""
			}
		}
	}
	return nil, host, port, user, password, database
}