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-rw-r--r--stdlib/datetime.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/stdlib/datetime.c b/stdlib/datetime.c
deleted file mode 100644
index b73c583e..00000000
--- a/stdlib/datetime.c
+++ /dev/null
@@ -1,317 +0,0 @@
-// DateTime methods/type info
-#include <ctype.h>
-#include <gc.h>
-#include <err.h>
-#include <stdlib.h>
-#include <time.h>
-#include <unistd.h>
-
-#include "datatypes.h"
-#include "datetime.h"
-#include "optionals.h"
-#include "patterns.h"
-#include "stdlib.h"
-#include "text.h"
-#include "util.h"
-
-static OptionalText_t _local_timezone = NULL_TEXT;
-
-#define WITH_TIMEZONE(tz, body) ({ if (tz.length >= 0) { \
- OptionalText_t old_timezone = _local_timezone; \
- DateTime$set_local_timezone(tz); \
- body; \
- DateTime$set_local_timezone(old_timezone); \
- } else { \
- body; \
- }})
-
-public Text_t DateTime$as_text(const DateTime_t *dt, bool colorize, const TypeInfo_t *type)
-{
- (void)type;
- if (!dt)
- return Text("DateTime");
-
- struct tm info;
- struct tm *final_info = localtime_r(&dt->tv_sec, &info);
- static char buf[256];
- size_t len = strftime(buf, sizeof(buf), "%c %Z", final_info);
- Text_t text = Text$format("%.*s", (int)len, buf);
- if (colorize)
- text = Text$concat(Text("\x1b[36m"), text, Text("\x1b[m"));
- return text;
-}
-
-PUREFUNC public int32_t DateTime$compare(const DateTime_t *a, const DateTime_t *b, const TypeInfo_t *type)
-{
- (void)type;
- if (a->tv_sec != b->tv_sec)
- return (a->tv_sec > b->tv_sec) - (a->tv_sec < b->tv_sec);
- return (a->tv_usec > b->tv_usec) - (a->tv_usec < b->tv_usec);
-}
-
-public DateTime_t DateTime$now(void)
-{
- struct timespec ts;
- if (clock_gettime(CLOCK_REALTIME, &ts) != 0)
- fail("Couldn't get the time!");
- return (DateTime_t){.tv_sec=ts.tv_sec, .tv_usec=ts.tv_nsec};
-}
-
-public DateTime_t DateTime$new(Int_t year, Int_t month, Int_t day, Int_t hour, Int_t minute, double second, OptionalText_t timezone)
-{
- struct tm info = {
- .tm_min=Int_to_Int32(minute, false),
- .tm_hour=Int_to_Int32(hour, false),
- .tm_mday=Int_to_Int32(day, false),
- .tm_mon=Int_to_Int32(month, false) - 1,
- .tm_year=Int_to_Int32(year, false) - 1900,
- .tm_isdst=-1,
- };
-
- time_t t;
- WITH_TIMEZONE(timezone, t = mktime(&info));
- return (DateTime_t){.tv_sec=t + (time_t)second, .tv_usec=(suseconds_t)(fmod(second, 1.0) * 1e9)};
-}
-
-public DateTime_t DateTime$after(DateTime_t dt, double seconds, double minutes, double hours, Int_t days, Int_t weeks, Int_t months, Int_t years, OptionalText_t timezone)
-{
- double offset = seconds + 60.*minutes + 3600.*hours;
- dt.tv_sec += (time_t)offset;
-
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
-
- info.tm_mday += Int_to_Int32(days, false) + 7*Int_to_Int32(weeks, false);
- info.tm_mon += Int_to_Int32(months, false);
- info.tm_year += Int_to_Int32(years, false);
-
- time_t t = mktime(&info);
- return (DateTime_t){
- .tv_sec=t,
- .tv_usec=dt.tv_usec + (suseconds_t)(fmod(offset, 1.0) * 1e9),
- };
-}
-
-CONSTFUNC public double DateTime$seconds_till(DateTime_t now, DateTime_t then)
-{
- return (double)(then.tv_sec - now.tv_sec) + 1e-9*(double)(then.tv_usec - now.tv_usec);
-}
-
-CONSTFUNC public double DateTime$minutes_till(DateTime_t now, DateTime_t then)
-{
- return DateTime$seconds_till(now, then)/60.;
-}
-
-CONSTFUNC public double DateTime$hours_till(DateTime_t now, DateTime_t then)
-{
- return DateTime$seconds_till(now, then)/3600.;
-}
-
-public void DateTime$get(
- DateTime_t dt, Int_t *year, Int_t *month, Int_t *day, Int_t *hour, Int_t *minute, Int_t *second,
- Int_t *nanosecond, Int_t *weekday, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
-
- if (year) *year = I(info.tm_year + 1900);
- if (month) *month = I(info.tm_mon + 1);
- if (day) *day = I(info.tm_mday);
- if (hour) *hour = I(info.tm_hour);
- if (minute) *minute = I(info.tm_min);
- if (second) *second = I(info.tm_sec);
- if (nanosecond) *nanosecond = I(dt.tv_usec);
- if (weekday) *weekday = I(info.tm_wday + 1);
-}
-
-public Int_t DateTime$year(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_year + 1900);
-}
-
-public Int_t DateTime$month(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_mon + 1);
-}
-
-public Int_t DateTime$day_of_week(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_wday + 1);
-}
-
-public Int_t DateTime$day_of_month(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_mday);
-}
-
-public Int_t DateTime$day_of_year(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_yday);
-}
-
-public Int_t DateTime$hour(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_hour);
-}
-
-public Int_t DateTime$minute(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_min);
-}
-
-public Int_t DateTime$second(DateTime_t dt, OptionalText_t timezone)
-{
- struct tm info = {};
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- return I(info.tm_sec);
-}
-
-public Int_t DateTime$nanosecond(DateTime_t dt, OptionalText_t timezone)
-{
- (void)timezone;
- return I(dt.tv_usec);
-}
-
-public Text_t DateTime$format(DateTime_t dt, Text_t fmt, OptionalText_t timezone)
-{
- struct tm info;
- WITH_TIMEZONE(timezone, localtime_r(&dt.tv_sec, &info));
- static char buf[256];
- size_t len = strftime(buf, sizeof(buf), Text$as_c_string(fmt), &info);
- return Text$format("%.*s", (int)len, buf);
-}
-
-public Text_t DateTime$date(DateTime_t dt, OptionalText_t timezone)
-{
- return DateTime$format(dt, Text("%F"), timezone);
-}
-
-public Text_t DateTime$time(DateTime_t dt, bool seconds, bool am_pm, OptionalText_t timezone)
-{
- Text_t text;
- if (seconds)
- text = DateTime$format(dt, am_pm ? Text("%l:%M:%S%P") : Text("%T"), timezone);
- else
- text = DateTime$format(dt, am_pm ? Text("%l:%M%P") : Text("%H:%M"), timezone);
- return Text$trim(text, Pattern(" "), true, true);
-}
-
-public OptionalDateTime_t DateTime$parse(Text_t text, Text_t format)
-{
- struct tm info = {.tm_isdst=-1};
- const char *str = Text$as_c_string(text);
- const char *fmt = Text$as_c_string(format);
- if (strstr(fmt, "%Z"))
- fail("The %%Z specifier is not supported for time parsing!");
-
- char *invalid = strptime(str, fmt, &info);
- if (!invalid || invalid[0] != '\0')
- return NULL_DATETIME;
-
- long offset = info.tm_gmtoff; // Need to cache this because mktime() mutates it to local timezone >:(
- time_t t = mktime(&info);
- return (DateTime_t){.tv_sec=t + offset - info.tm_gmtoff};
-}
-
-static INLINE Text_t num_format(long n, const char *unit)
-{
- if (n == 0)
- return Text("now");
- return Text$format((n == 1 || n == -1) ? "%ld %s %s" : "%ld %ss %s", n < 0 ? -n : n, unit, n < 0 ? "ago" : "later");
-}
-
-public Text_t DateTime$relative(DateTime_t dt, DateTime_t relative_to, OptionalText_t timezone)
-{
- struct tm info = {};
- struct tm relative_info = {};
- WITH_TIMEZONE(timezone, {
- localtime_r(&dt.tv_sec, &info);
- localtime_r(&relative_to.tv_sec, &relative_info);
- });
-
- double second_diff = DateTime$seconds_till(relative_to, dt);
- if (info.tm_year != relative_info.tm_year && fabs(second_diff) > 365.*24.*60.*60.)
- return num_format((long)info.tm_year - (long)relative_info.tm_year, "year");
- else if (info.tm_mon != relative_info.tm_mon && fabs(second_diff) > 31.*24.*60.*60.)
- return num_format(12*((long)info.tm_year - (long)relative_info.tm_year) + (long)info.tm_mon - (long)relative_info.tm_mon, "month");
- else if (info.tm_yday != relative_info.tm_yday && fabs(second_diff) > 24.*60.*60.)
- return num_format(round(second_diff/(24.*60.*60.)), "day");
- else if (info.tm_hour != relative_info.tm_hour && fabs(second_diff) > 60.*60.)
- return num_format(round(second_diff/(60.*60.)), "hour");
- else if (info.tm_min != relative_info.tm_min && fabs(second_diff) > 60.)
- return num_format(round(second_diff/(60.)), "minute");
- else {
- if (fabs(second_diff) < 1e-6)
- return num_format((long)(second_diff*1e9), "nanosecond");
- else if (fabs(second_diff) < 1e-3)
- return num_format((long)(second_diff*1e6), "microsecond");
- else if (fabs(second_diff) < 1.0)
- return num_format((long)(second_diff*1e3), "millisecond");
- else
- return num_format((long)(second_diff), "second");
- }
-}
-
-CONSTFUNC public Int64_t DateTime$unix_timestamp(DateTime_t dt)
-{
- return (Int64_t)dt.tv_sec;
-}
-
-CONSTFUNC public DateTime_t DateTime$from_unix_timestamp(Int64_t timestamp)
-{
- return (DateTime_t){.tv_sec=(time_t)timestamp};
-}
-
-public void DateTime$set_local_timezone(OptionalText_t timezone)
-{
- if (timezone.length >= 0) {
- setenv("TZ", Text$as_c_string(timezone), 1);
- } else {
- unsetenv("TZ");
- }
- _local_timezone = timezone;
- tzset();
-}
-
-public Text_t DateTime$get_local_timezone(void)
-{
- if (_local_timezone.length < 0) {
- static char buf[PATH_MAX];
- ssize_t len = readlink("/etc/localtime", buf, sizeof(buf));
- if (len < 0)
- fail("Could not get local timezone!");
-
- char *zoneinfo = strstr(buf, "/zoneinfo/");
- if (zoneinfo)
- _local_timezone = Text$from_str(zoneinfo + strlen("/zoneinfo/"));
- else
- fail("Could not resolve local timezone!");
- }
- return _local_timezone;
-}
-
-public const TypeInfo_t DateTime$info = {
- .size=sizeof(DateTime_t),
- .align=__alignof__(DateTime_t),
- .tag=CustomInfo,
- .CustomInfo={
- .as_text=(void*)DateTime$as_text,
- .compare=(void*)DateTime$compare,
- },
-};
-
-// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0