int main(int argc, char *argv[])
{
struct timeval tv;
char help_msg[1024] = "Usage: tzconfig [-s <timezone>] [-x <timezone name is encoded according to IEEE 1003.1 (POSIX)>] [-d yyyy-mm-dd] [-j <days of this year>] [-m <[J]<days of this year>] [-i] [-h]\n\n";
char *tz, *tzname, *date, dst[64], *tmp;
int c, days;
strcat(help_msg, "tzconfig command summary\n");
strcat(help_msg, "\ttzconfig is a function to setup/get timezone infomation.\n");
strcat(help_msg, "\t-s：setup datetime for specified timezone.\n");
strcat(help_msg, "\t\t<timezone>(input format)：'<+ | ->xx:xx' (x=[0~9]).\n");
strcat(help_msg, "\t-x：setup datetime for specified timezone name.\n");
strcat(help_msg, "\t\t<timezone name>(input format)：'std offset dst [offset],start[/time],end[/time]' .\n");
strcat(help_msg, "\t-d：To convert date to days.\n");
strcat(help_msg, "\t-j：To convert days to date.\n");
strcat(help_msg, "\t\t leap year : 0 ~ 365 \n");
strcat(help_msg, "\t\t otherwise : 1 ~ 365 \n");
strcat(help_msg, "\t-m：To convert 'Jn' to 'Mm.w.d' format. \n");
strcat(help_msg, "\t\t where 'Jn' is specifies the Julian day, with n between 1 and 365. February 29 is never counted, even in leap years. \n");
strcat(help_msg, "\t\t where 'n' is the days of this year which means the Julian day, with n between 0 and 365. February 29 is counted in leap years. \n");
strcat(help_msg, "\t-i：To get the local timezone information.\n");
strcat(help_msg, "\t-h：To show this help message.\n");
if(argc <= 1 || ((isgraph(*argv[1]) || ispunct(*argv[1])) && *argv[1]!='-'))
fprintf(stderr, "%s", help_msg);
while ((c = getopt(argc, argv, "S:X:s:x:D:d:J:j:M:m:I0:i0:h0:H0:?0:0:-")) != -1){
switch (c) {
case 'S':
case 's':
tz = optarg;
setTZ(tz);
break;
case 'X':
case 'x':
tzname = optarg;
setTZName(tzname);
break;
case 'D':
case 'd':
date = optarg;
days = date2days(date);
printf("%d\n", days);
break;
case 'J':
case 'j':
days = atoi(optarg);
date = StrDup("yyyy-mm-dd");
days2date(days, date);
printf("%s\n", date);
StrFree(date);
break;
case 'I':
case 'i':
getTZ(&tz);
printf("本地時區是：UTC%s\n", tz);
break;
case 'M':
case 'm':
tmp = StrDup(optarg);
if(strstr(tmp, "J")){
days = atoi(strmhead(tmp, "J", -1));
if(days != 59){
days = days2date(days, dst);
jds2mds(days, dst);
}
else
printf("Invalid !!!\n");
}
else{
days = atoi(optarg);
/* step 1 : to find the date by days */
days = days2date(days, dst);
/* step 2 : to find the result by Julian day & date */
jds2mds(days, dst);
}
printf("%s\n", dst);
StrFree(tmp);
break;
case 'H':
case 'h':
case '?':
default:
fprintf(stderr, "%s", help_msg);
exit(0);
break;
}
}
return 0;
}
KstTimeZone::KstTimeZone(QString name): _tzName(name)
{
setTZ(name);
}
