1 // Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #[crate_id = "time#0.10-pre"];
12 #[crate_type = "rlib"];
13 #[crate_type = "dylib"];
14 #[license = "MIT/ASL2"];
15 #[doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
16 html_favicon_url = "http://www.rust-lang.org/favicon.ico",
17 html_root_url = "http://static.rust-lang.org/doc/master")];
19 #[allow(deprecated_owned_vector)]; // NOTE: remove after stage0
21 #[cfg(test)] #[phase(syntax, link)] extern crate log;
22 extern crate serialize;
24 use std::io::BufReader;
29 static NSEC_PER_SEC: i32 = 1_000_000_000_i32;
36 pub fn rust_gmtime(sec: i64, nsec: i32, result: &mut Tm);
37 pub fn rust_localtime(sec: i64, nsec: i32, result: &mut Tm);
38 pub fn rust_timegm(tm: &Tm) -> i64;
39 pub fn rust_mktime(tm: &Tm) -> i64;
43 #[cfg(unix, not(target_os = "macos"))]
45 use std::libc::{c_int, timespec};
47 // Apparently android provides this in some other library?
48 #[cfg(not(target_os = "android"))]
53 pub fn clock_gettime(clk_id: c_int, tp: *mut timespec) -> c_int;
57 #[cfg(target_os = "macos")]
59 use std::libc::{timeval, timezone, c_int, mach_timebase_info};
62 pub fn gettimeofday(tp: *mut timeval, tzp: *mut timezone) -> c_int;
63 pub fn mach_absolute_time() -> u64;
64 pub fn mach_timebase_info(info: *mut mach_timebase_info) -> c_int;
68 /// A record specifying a time value in seconds and nanoseconds.
69 #[deriving(Clone, Eq, TotalEq, Ord, TotalOrd, Encodable, Decodable, Show)]
70 pub struct Timespec { sec: i64, nsec: i32 }
72 * Timespec assumes that pre-epoch Timespecs have negative sec and positive
73 * nsec fields. Darwin's and Linux's struct timespec functions handle pre-
74 * epoch timestamps using a "two steps back, one step forward" representation,
75 * though the man pages do not actually document this. For example, the time
76 * -1.2 seconds before the epoch is represented by `Timespec { sec: -2_i64,
77 * nsec: 800_000_000_i32 }`.
80 pub fn new(sec: i64, nsec: i32) -> Timespec {
81 assert!(nsec >= 0 && nsec < NSEC_PER_SEC);
82 Timespec { sec: sec, nsec: nsec }
87 * Returns the current time as a `timespec` containing the seconds and
88 * nanoseconds since 1970-01-01T00:00:00Z.
90 pub fn get_time() -> Timespec {
92 let (sec, nsec) = os_get_time();
93 return Timespec::new(sec, nsec);
97 unsafe fn os_get_time() -> (i64, i32) {
98 static NANOSECONDS_FROM_1601_TO_1970: u64 = 11644473600000000;
100 let mut time = libc::FILETIME {
104 libc::GetSystemTimeAsFileTime(&mut time);
106 // A FILETIME contains a 64-bit value representing the number of
107 // hectonanosecond (100-nanosecond) intervals since 1601-01-01T00:00:00Z.
108 // http://support.microsoft.com/kb/167296/en-us
109 let ns_since_1601 = ((time.dwHighDateTime as u64 << 32) |
110 (time.dwLowDateTime as u64 << 0)) / 10;
111 let ns_since_1970 = ns_since_1601 - NANOSECONDS_FROM_1601_TO_1970;
113 ((ns_since_1970 / 1000000) as i64,
114 ((ns_since_1970 % 1000000) * 1000) as i32)
117 #[cfg(target_os = "macos")]
118 unsafe fn os_get_time() -> (i64, i32) {
120 let mut tv = libc::timeval { tv_sec: 0, tv_usec: 0 };
121 imp::gettimeofday(&mut tv, ptr::mut_null());
122 (tv.tv_sec as i64, tv.tv_usec * 1000)
125 #[cfg(not(target_os = "macos"), not(windows))]
126 unsafe fn os_get_time() -> (i64, i32) {
127 let mut tv = libc::timespec { tv_sec: 0, tv_nsec: 0 };
128 imp::clock_gettime(libc::CLOCK_REALTIME, &mut tv);
129 (tv.tv_sec as i64, tv.tv_nsec as i32)
135 * Returns the current value of a high-resolution performance counter
136 * in nanoseconds since an unspecified epoch.
138 pub fn precise_time_ns() -> u64 {
139 return os_precise_time_ns();
142 fn os_precise_time_ns() -> u64 {
143 let mut ticks_per_s = 0;
145 libc::QueryPerformanceFrequency(&mut ticks_per_s)
147 let ticks_per_s = if ticks_per_s == 0 {1} else {ticks_per_s};
150 libc::QueryPerformanceCounter(&mut ticks)
153 return (ticks as u64 * 1000000000) / (ticks_per_s as u64);
156 #[cfg(target_os = "macos")]
157 fn os_precise_time_ns() -> u64 {
158 let time = unsafe { imp::mach_absolute_time() };
159 let mut info = libc::mach_timebase_info { numer: 0, denom: 0 };
160 unsafe { imp::mach_timebase_info(&mut info); }
161 return time * ((info.numer / info.denom) as u64);
164 #[cfg(not(windows), not(target_os = "macos"))]
165 fn os_precise_time_ns() -> u64 {
166 let mut ts = libc::timespec { tv_sec: 0, tv_nsec: 0 };
168 imp::clock_gettime(libc::CLOCK_MONOTONIC, &mut ts);
170 return (ts.tv_sec as u64) * 1000000000 + (ts.tv_nsec as u64)
176 * Returns the current value of a high-resolution performance counter
177 * in seconds since an unspecified epoch.
179 pub fn precise_time_s() -> f64 {
180 return (precise_time_ns() as f64) / 1000000000.;
185 rustrt::rust_tzset();
189 /// Holds a calendar date and time broken down into its components (year, month, day, and so on),
190 /// also called a broken-down time value.
191 #[deriving(Clone, Eq, Encodable, Decodable, Show)]
193 /// Seconds after the minute – [0, 60]
196 /// Minutes after the hour – [0, 59]
199 /// Hours after midnight – [0, 23]
202 /// Day of the month – [1, 31]
205 /// Months since January – [0, 11]
211 /// Days since Sunday – [0, 6]. 0 = Sunday, 1 = Monday, …, 6 = Saturday.
214 /// Days since January 1 – [0, 365]
217 /// Daylight Saving Time flag.
219 /// This value is positive if Daylight Saving Time is in effect, zero if Daylight Saving Time
220 /// is not in effect, and negative if this information is not available.
223 /// Identifies the time zone that was used to compute this broken-down time value, including any
224 /// adjustment for Daylight Saving Time. This is the number of seconds east of UTC. For example,
225 /// for U.S. Pacific Daylight Time, the value is -7*60*60 = -25200.
228 /// Abbreviated name for the time zone that was used to compute this broken-down time value.
229 /// For example, U.S. Pacific Daylight Time is "PDT".
232 /// Nanoseconds after the second – [0, 10<sup>9</sup> - 1]
236 pub fn empty_tm() -> Tm {
237 // 64 is the max size of the timezone buffer allocated on windows
238 // in rust_localtime. In glibc the max timezone size is supposedly 3.
239 let zone = str::with_capacity(64);
256 /// Returns the specified time in UTC
257 pub fn at_utc(clock: Timespec) -> Tm {
259 let Timespec { sec, nsec } = clock;
260 let mut tm = empty_tm();
261 rustrt::rust_gmtime(sec, nsec, &mut tm);
266 /// Returns the current time in UTC
267 pub fn now_utc() -> Tm {
271 /// Returns the specified time in the local timezone
272 pub fn at(clock: Timespec) -> Tm {
274 let Timespec { sec, nsec } = clock;
275 let mut tm = empty_tm();
276 rustrt::rust_localtime(sec, nsec, &mut tm);
281 /// Returns the current time in the local timezone
288 /// Convert time to the seconds from January 1, 1970
289 pub fn to_timespec(&self) -> Timespec {
291 let sec = match self.tm_gmtoff {
292 0_i32 => rustrt::rust_timegm(self),
293 _ => rustrt::rust_mktime(self)
296 Timespec::new(sec, self.tm_nsec)
300 /// Convert time to the local timezone
301 pub fn to_local(&self) -> Tm {
302 at(self.to_timespec())
305 /// Convert time to the UTC
306 pub fn to_utc(&self) -> Tm {
307 at_utc(self.to_timespec())
311 * Return a string of the current time in the form
312 * "Thu Jan 1 00:00:00 1970".
314 pub fn ctime(&self) -> ~str { self.strftime("%c") }
316 /// Formats the time according to the format string.
317 pub fn strftime(&self, format: &str) -> ~str {
318 strftime(format, self)
322 * Returns a time string formatted according to RFC 822.
324 * local: "Thu, 22 Mar 2012 07:53:18 PST"
325 * utc: "Thu, 22 Mar 2012 14:53:18 UTC"
327 pub fn rfc822(&self) -> ~str {
328 if self.tm_gmtoff == 0_i32 {
329 self.strftime("%a, %d %b %Y %T GMT")
331 self.strftime("%a, %d %b %Y %T %Z")
336 * Returns a time string formatted according to RFC 822 with Zulu time.
338 * local: "Thu, 22 Mar 2012 07:53:18 -0700"
339 * utc: "Thu, 22 Mar 2012 14:53:18 -0000"
341 pub fn rfc822z(&self) -> ~str {
342 self.strftime("%a, %d %b %Y %T %z")
346 * Returns a time string formatted according to ISO 8601.
348 * local: "2012-02-22T07:53:18-07:00"
349 * utc: "2012-02-22T14:53:18Z"
351 pub fn rfc3339(&self) -> ~str {
352 if self.tm_gmtoff == 0_i32 {
353 self.strftime("%Y-%m-%dT%H:%M:%SZ")
355 let s = self.strftime("%Y-%m-%dT%H:%M:%S");
356 let sign = if self.tm_gmtoff > 0_i32 { '+' } else { '-' };
357 let mut m = num::abs(self.tm_gmtoff) / 60_i32;
360 s + format!("{}{:02d}:{:02d}", sign, h as int, m as int)
365 /// Parses the time from the string according to the format string.
366 pub fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
367 fn match_str(s: &str, pos: uint, needle: &str) -> bool {
369 for ch in needle.bytes() {
378 fn match_strs(ss: &str, pos: uint, strs: &[(~str, i32)])
379 -> Option<(i32, uint)> {
381 let len = strs.len();
383 match strs[i] { // can't use let due to let-pattern bugs
384 (ref needle, value) => {
385 if match_str(ss, pos, *needle) {
386 return Some((value, pos + needle.len()));
396 fn match_digits(ss: &str, pos: uint, digits: uint, ws: bool)
397 -> Option<(i32, uint)> {
400 let mut value = 0_i32;
407 let range = ss.char_range_at(pos);
412 value = value * 10_i32 + (range.ch as i32 - '0' as i32);
423 fn match_fractional_seconds(ss: &str, pos: uint) -> (i32, uint) {
425 let mut value = 0_i32;
426 let mut multiplier = NSEC_PER_SEC / 10;
433 let range = ss.char_range_at(pos);
438 // This will drop digits after the nanoseconds place
439 let digit = range.ch as i32 - '0' as i32;
440 value += digit * multiplier;
450 fn match_digits_in_range(ss: &str, pos: uint, digits: uint, ws: bool,
451 min: i32, max: i32) -> Option<(i32, uint)> {
452 match match_digits(ss, pos, digits, ws) {
453 Some((val, pos)) if val >= min && val <= max => {
460 fn parse_char(s: &str, pos: uint, c: char) -> Result<uint, ~str> {
461 let range = s.char_range_at(pos);
466 Err(format!("Expected {}, found {}",
468 str::from_char(range.ch)))
472 fn parse_type(s: &str, pos: uint, ch: char, tm: &mut Tm)
473 -> Result<uint, ~str> {
475 'A' => match match_strs(s, pos, [
479 (~"Wednesday", 3_i32),
480 (~"Thursday", 4_i32),
484 Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
485 None => Err(~"Invalid day")
487 'a' => match match_strs(s, pos, [
496 Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
497 None => Err(~"Invalid day")
499 'B' => match match_strs(s, pos, [
501 (~"February", 1_i32),
508 (~"September", 8_i32),
510 (~"November", 10_i32),
511 (~"December", 11_i32)
513 Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
514 None => Err(~"Invalid month")
516 'b' | 'h' => match match_strs(s, pos, [
530 Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
531 None => Err(~"Invalid month")
533 'C' => match match_digits_in_range(s, pos, 2u, false, 0_i32,
537 tm.tm_year += (v * 100_i32) - 1900_i32;
540 None => Err(~"Invalid year")
543 parse_type(s, pos, 'a', &mut *tm)
544 .and_then(|pos| parse_char(s, pos, ' '))
545 .and_then(|pos| parse_type(s, pos, 'b', &mut *tm))
546 .and_then(|pos| parse_char(s, pos, ' '))
547 .and_then(|pos| parse_type(s, pos, 'e', &mut *tm))
548 .and_then(|pos| parse_char(s, pos, ' '))
549 .and_then(|pos| parse_type(s, pos, 'T', &mut *tm))
550 .and_then(|pos| parse_char(s, pos, ' '))
551 .and_then(|pos| parse_type(s, pos, 'Y', &mut *tm))
554 parse_type(s, pos, 'm', &mut *tm)
555 .and_then(|pos| parse_char(s, pos, '/'))
556 .and_then(|pos| parse_type(s, pos, 'd', &mut *tm))
557 .and_then(|pos| parse_char(s, pos, '/'))
558 .and_then(|pos| parse_type(s, pos, 'y', &mut *tm))
560 'd' => match match_digits_in_range(s, pos, 2u, false, 1_i32,
562 Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
563 None => Err(~"Invalid day of the month")
565 'e' => match match_digits_in_range(s, pos, 2u, true, 1_i32,
567 Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
568 None => Err(~"Invalid day of the month")
571 let (val, pos) = match_fractional_seconds(s, pos);
576 parse_type(s, pos, 'Y', &mut *tm)
577 .and_then(|pos| parse_char(s, pos, '-'))
578 .and_then(|pos| parse_type(s, pos, 'm', &mut *tm))
579 .and_then(|pos| parse_char(s, pos, '-'))
580 .and_then(|pos| parse_type(s, pos, 'd', &mut *tm))
583 match match_digits_in_range(s, pos, 2u, false, 0_i32, 23_i32) {
584 Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
585 None => Err(~"Invalid hour")
589 match match_digits_in_range(s, pos, 2u, false, 1_i32, 12_i32) {
592 tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
595 None => Err(~"Invalid hour")
599 match match_digits_in_range(s, pos, 3u, false, 1_i32, 366_i32) {
602 tm.tm_yday = v - 1_i32;
605 None => Err(~"Invalid day of year")
609 match match_digits_in_range(s, pos, 2u, true, 0_i32, 23_i32) {
610 Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
611 None => Err(~"Invalid hour")
615 match match_digits_in_range(s, pos, 2u, true, 1_i32, 12_i32) {
618 tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
621 None => Err(~"Invalid hour")
625 match match_digits_in_range(s, pos, 2u, false, 0_i32, 59_i32) {
626 Some(item) => { let (v, pos) = item; tm.tm_min = v; Ok(pos) }
627 None => Err(~"Invalid minute")
631 match match_digits_in_range(s, pos, 2u, false, 1_i32, 12_i32) {
634 tm.tm_mon = v - 1_i32;
637 None => Err(~"Invalid month")
640 'n' => parse_char(s, pos, '\n'),
641 'P' => match match_strs(s, pos,
642 [(~"am", 0_i32), (~"pm", 12_i32)]) {
644 Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
645 None => Err(~"Invalid hour")
647 'p' => match match_strs(s, pos,
648 [(~"AM", 0_i32), (~"PM", 12_i32)]) {
650 Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
651 None => Err(~"Invalid hour")
654 parse_type(s, pos, 'H', &mut *tm)
655 .and_then(|pos| parse_char(s, pos, ':'))
656 .and_then(|pos| parse_type(s, pos, 'M', &mut *tm))
659 parse_type(s, pos, 'I', &mut *tm)
660 .and_then(|pos| parse_char(s, pos, ':'))
661 .and_then(|pos| parse_type(s, pos, 'M', &mut *tm))
662 .and_then(|pos| parse_char(s, pos, ':'))
663 .and_then(|pos| parse_type(s, pos, 'S', &mut *tm))
664 .and_then(|pos| parse_char(s, pos, ' '))
665 .and_then(|pos| parse_type(s, pos, 'p', &mut *tm))
668 match match_digits_in_range(s, pos, 2u, false, 0_i32, 60_i32) {
674 None => Err(~"Invalid second")
679 parse_type(s, pos, 'H', &mut *tm)
680 .and_then(|pos| parse_char(s, pos, ':'))
681 .and_then(|pos| parse_type(s, pos, 'M', &mut *tm))
682 .and_then(|pos| parse_char(s, pos, ':'))
683 .and_then(|pos| parse_type(s, pos, 'S', &mut *tm))
685 't' => parse_char(s, pos, '\t'),
687 match match_digits_in_range(s, pos, 1u, false, 1_i32, 7_i32) {
690 tm.tm_wday = if v == 7 { 0 } else { v };
693 None => Err(~"Invalid day of week")
697 parse_type(s, pos, 'e', &mut *tm)
698 .and_then(|pos| parse_char(s, pos, '-'))
699 .and_then(|pos| parse_type(s, pos, 'b', &mut *tm))
700 .and_then(|pos| parse_char(s, pos, '-'))
701 .and_then(|pos| parse_type(s, pos, 'Y', &mut *tm))
705 match match_digits_in_range(s, pos, 1u, false, 0_i32, 6_i32) {
706 Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
707 None => Err(~"Invalid day of week")
711 match match_digits(s, pos, 4u, false) {
714 tm.tm_year = v - 1900_i32;
717 None => Err(~"Invalid year")
721 match match_digits_in_range(s, pos, 2u, false, 0_i32, 99_i32) {
727 None => Err(~"Invalid year")
731 if match_str(s, pos, "UTC") || match_str(s, pos, "GMT") {
732 tm.tm_gmtoff = 0_i32;
736 // It's odd, but to maintain compatibility with c's
737 // strptime we ignore the timezone.
741 let range = s.char_range_at(pos);
743 if range.ch == ' ' { break; }
750 let range = s.char_range_at(pos);
752 if range.ch == '+' || range.ch == '-' {
753 match match_digits(s, range.next, 4u, false) {
757 tm.tm_gmtoff = 0_i32;
763 None => Err(~"Invalid zone offset")
766 Err(~"Invalid zone offset")
769 '%' => parse_char(s, pos, '%'),
771 Err(format!("unknown formatting type: {}", str::from_char(ch)))
776 let mut rdr = BufReader::new(format.as_bytes());
793 let mut result = Err(~"Invalid time");
796 let range = s.char_range_at(pos);
798 let next = range.next;
801 let c = match rdr.read(buf) {
802 Ok(..) => buf[0] as char,
807 let ch = match rdr.read(buf) {
808 Ok(..) => buf[0] as char,
811 match parse_type(s, pos, ch, &mut tm) {
812 Ok(next) => pos = next,
813 Err(e) => { result = Err(e); break; }
823 if pos == len && rdr.tell().unwrap() == format.len() as u64 {
833 tm_isdst: tm.tm_isdst,
834 tm_gmtoff: tm.tm_gmtoff,
835 tm_zone: tm.tm_zone.clone(),
841 /// Formats the time according to the format string.
842 pub fn strftime(format: &str, tm: &Tm) -> ~str {
843 fn days_in_year(year: int) -> i32 {
844 if (year % 4 == 0) && ((year % 100 != 0) || (year % 400 == 0)) {
845 366 /* Days in a leap year */
847 365 /* Days in a non-leap year */
851 fn iso_week_days(yday: i32, wday: i32) -> int {
852 /* The number of days from the first day of the first ISO week of this
853 * year to the year day YDAY with week day WDAY.
854 * ISO weeks start on Monday. The first ISO week has the year's first
856 * YDAY may be as small as yday_minimum.
858 let yday: int = yday as int;
859 let wday: int = wday as int;
860 let iso_week_start_wday: int = 1; /* Monday */
861 let iso_week1_wday: int = 4; /* Thursday */
862 let yday_minimum: int = 366;
863 /* Add enough to the first operand of % to make it nonnegative. */
864 let big_enough_multiple_of_7: int = (yday_minimum / 7 + 2) * 7;
866 yday - (yday - wday + iso_week1_wday + big_enough_multiple_of_7) % 7
867 + iso_week1_wday - iso_week_start_wday
870 fn iso_week(ch:char, tm: &Tm) -> ~str {
871 let mut year: int = tm.tm_year as int + 1900;
872 let mut days: int = iso_week_days (tm.tm_yday, tm.tm_wday);
875 /* This ISO week belongs to the previous year. */
877 days = iso_week_days (tm.tm_yday + (days_in_year(year)), tm.tm_wday);
879 let d: int = iso_week_days (tm.tm_yday - (days_in_year(year)),
882 /* This ISO week belongs to the next year. */
889 'G' => format!("{}", year),
890 'g' => format!("{:02d}", (year % 100 + 100) % 100),
891 'V' => format!("{:02d}", days / 7 + 1),
896 fn parse_type(ch: char, tm: &Tm) -> ~str {
897 let die = || format!("strftime: can't understand this format {} ", ch);
899 'A' => match tm.tm_wday as int {
909 'a' => match tm.tm_wday as int {
919 'B' => match tm.tm_mon as int {
934 'b' | 'h' => match tm.tm_mon as int {
949 'C' => format!("{:02d}", (tm.tm_year as int + 1900) / 100),
951 format!("{} {} {} {} {}",
964 'd' => format!("{:02d}", tm.tm_mday),
965 'e' => format!("{:2d}", tm.tm_mday),
966 'f' => format!("{:09d}", tm.tm_nsec),
973 'G' => iso_week('G', tm),
974 'g' => iso_week('g', tm),
975 'H' => format!("{:02d}", tm.tm_hour),
977 let mut h = tm.tm_hour;
979 if h > 12 { h -= 12 }
982 'j' => format!("{:03d}", tm.tm_yday + 1),
983 'k' => format!("{:2d}", tm.tm_hour),
985 let mut h = tm.tm_hour;
987 if h > 12 { h -= 12 }
990 'M' => format!("{:02d}", tm.tm_min),
991 'm' => format!("{:02d}", tm.tm_mon + 1),
993 'P' => if (tm.tm_hour as int) < 12 { ~"am" } else { ~"pm" },
994 'p' => if (tm.tm_hour as int) < 12 { ~"AM" } else { ~"PM" },
1001 format!("{}:{}:{} {}",
1002 parse_type('I', tm),
1003 parse_type('M', tm),
1004 parse_type('S', tm),
1005 parse_type('p', tm))
1007 'S' => format!("{:02d}", tm.tm_sec),
1008 's' => format!("{}", tm.to_timespec().sec),
1011 parse_type('H', tm),
1012 parse_type('M', tm),
1013 parse_type('S', tm))
1016 'U' => format!("{:02d}", (tm.tm_yday - tm.tm_wday + 7) / 7),
1018 let i = tm.tm_wday as int;
1019 (if i == 0 { 7 } else { i }).to_str()
1021 'V' => iso_week('V', tm),
1024 parse_type('e', tm),
1025 parse_type('b', tm),
1026 parse_type('Y', tm))
1028 'W' => format!("{:02d}", (tm.tm_yday - (tm.tm_wday - 1 + 7) % 7 + 7)
1030 'w' => (tm.tm_wday as int).to_str(),
1031 'Y' => (tm.tm_year as int + 1900).to_str(),
1032 'y' => format!("{:02d}", (tm.tm_year as int + 1900) % 100),
1033 'Z' => tm.tm_zone.clone(),
1035 let sign = if tm.tm_gmtoff > 0_i32 { '+' } else { '-' };
1036 let mut m = num::abs(tm.tm_gmtoff) / 60_i32;
1039 format!("{}{:02d}{:02d}", sign, h, m)
1041 '+' => tm.rfc3339(),
1049 let mut rdr = BufReader::new(format.as_bytes());
1052 let ch = match rdr.read(b) {
1058 rdr.read(b).unwrap();
1059 let s = parse_type(b[0] as char, tm);
1060 buf.push_all(s.as_bytes());
1062 ch => buf.push(ch as u8)
1066 str::from_utf8_owned(buf).unwrap()
1071 use super::{Timespec, get_time, precise_time_ns, precise_time_s, tzset,
1072 at_utc, at, strptime};
1075 use std::result::{Err, Ok};
1078 fn set_time_zone() {
1080 // Windows crt doesn't see any environment variable set by
1081 // `SetEnvironmentVariable`, which `os::setenv` internally uses.
1082 // It is why we use `putenv` here.
1084 fn _putenv(envstring: *libc::c_char) -> libc::c_int;
1088 // Windows does not understand "America/Los_Angeles".
1089 // PST+08 may look wrong, but not! "PST" indicates
1090 // the name of timezone. "+08" means UTC = local + 08.
1091 "TZ=PST+08".with_c_str(|env| {
1097 #[cfg(not(windows))]
1098 fn set_time_zone() {
1100 os::setenv("TZ", "America/Los_Angeles");
1104 fn test_get_time() {
1105 static SOME_RECENT_DATE: i64 = 1325376000i64; // 2012-01-01T00:00:00Z
1106 static SOME_FUTURE_DATE: i64 = 1577836800i64; // 2020-01-01T00:00:00Z
1108 let tv1 = get_time();
1109 debug!("tv1={:?} sec + {:?} nsec", tv1.sec as uint, tv1.nsec as uint);
1111 assert!(tv1.sec > SOME_RECENT_DATE);
1112 assert!(tv1.nsec < 1000000000i32);
1114 let tv2 = get_time();
1115 debug!("tv2={:?} sec + {:?} nsec", tv2.sec as uint, tv2.nsec as uint);
1117 assert!(tv2.sec >= tv1.sec);
1118 assert!(tv2.sec < SOME_FUTURE_DATE);
1119 assert!(tv2.nsec < 1000000000i32);
1120 if tv2.sec == tv1.sec {
1121 assert!(tv2.nsec >= tv1.nsec);
1125 fn test_precise_time() {
1126 let s0 = precise_time_s();
1127 debug!("s0={} sec", f64::to_str_digits(s0, 9u));
1130 let ns0 = precise_time_ns();
1131 let ns1 = precise_time_ns();
1132 debug!("ns0={:?} ns", ns0);
1133 debug!("ns1={:?} ns", ns1);
1134 assert!(ns1 >= ns0);
1136 let ns2 = precise_time_ns();
1137 debug!("ns2={:?} ns", ns2);
1138 assert!(ns2 >= ns1);
1144 let time = Timespec::new(1234567890, 54321);
1145 let utc = at_utc(time);
1147 assert_eq!(utc.tm_sec, 30_i32);
1148 assert_eq!(utc.tm_min, 31_i32);
1149 assert_eq!(utc.tm_hour, 23_i32);
1150 assert_eq!(utc.tm_mday, 13_i32);
1151 assert_eq!(utc.tm_mon, 1_i32);
1152 assert_eq!(utc.tm_year, 109_i32);
1153 assert_eq!(utc.tm_wday, 5_i32);
1154 assert_eq!(utc.tm_yday, 43_i32);
1155 assert_eq!(utc.tm_isdst, 0_i32);
1156 assert_eq!(utc.tm_gmtoff, 0_i32);
1157 assert_eq!(utc.tm_zone, ~"UTC");
1158 assert_eq!(utc.tm_nsec, 54321_i32);
1164 let time = Timespec::new(1234567890, 54321);
1165 let local = at(time);
1167 debug!("time_at: {:?}", local);
1169 assert_eq!(local.tm_sec, 30_i32);
1170 assert_eq!(local.tm_min, 31_i32);
1171 assert_eq!(local.tm_hour, 15_i32);
1172 assert_eq!(local.tm_mday, 13_i32);
1173 assert_eq!(local.tm_mon, 1_i32);
1174 assert_eq!(local.tm_year, 109_i32);
1175 assert_eq!(local.tm_wday, 5_i32);
1176 assert_eq!(local.tm_yday, 43_i32);
1177 assert_eq!(local.tm_isdst, 0_i32);
1178 assert_eq!(local.tm_gmtoff, -28800_i32);
1180 // FIXME (#2350): We should probably standardize on the timezone
1182 let zone = &local.tm_zone;
1183 assert!(*zone == ~"PST" || *zone == ~"Pacific Standard Time");
1185 assert_eq!(local.tm_nsec, 54321_i32);
1188 fn test_to_timespec() {
1191 let time = Timespec::new(1234567890, 54321);
1192 let utc = at_utc(time);
1194 assert_eq!(utc.to_timespec(), time);
1195 assert_eq!(utc.to_local().to_timespec(), time);
1198 fn test_conversions() {
1201 let time = Timespec::new(1234567890, 54321);
1202 let utc = at_utc(time);
1203 let local = at(time);
1205 assert!(local.to_local() == local);
1206 assert!(local.to_utc() == utc);
1207 assert!(local.to_utc().to_local() == local);
1208 assert!(utc.to_utc() == utc);
1209 assert!(utc.to_local() == local);
1210 assert!(utc.to_local().to_utc() == utc);
1213 fn test_strptime() {
1216 match strptime("", "") {
1218 assert!(tm.tm_sec == 0_i32);
1219 assert!(tm.tm_min == 0_i32);
1220 assert!(tm.tm_hour == 0_i32);
1221 assert!(tm.tm_mday == 0_i32);
1222 assert!(tm.tm_mon == 0_i32);
1223 assert!(tm.tm_year == 0_i32);
1224 assert!(tm.tm_wday == 0_i32);
1225 assert!(tm.tm_isdst == 0_i32);
1226 assert!(tm.tm_gmtoff == 0_i32);
1227 assert!(tm.tm_zone == ~"");
1228 assert!(tm.tm_nsec == 0_i32);
1233 let format = "%a %b %e %T.%f %Y";
1234 assert_eq!(strptime("", format), Err(~"Invalid time"));
1235 assert!(strptime("Fri Feb 13 15:31:30", format)
1236 == Err(~"Invalid time"));
1238 match strptime("Fri Feb 13 15:31:30.01234 2009", format) {
1241 assert!(tm.tm_sec == 30_i32);
1242 assert!(tm.tm_min == 31_i32);
1243 assert!(tm.tm_hour == 15_i32);
1244 assert!(tm.tm_mday == 13_i32);
1245 assert!(tm.tm_mon == 1_i32);
1246 assert!(tm.tm_year == 109_i32);
1247 assert!(tm.tm_wday == 5_i32);
1248 assert!(tm.tm_yday == 0_i32);
1249 assert!(tm.tm_isdst == 0_i32);
1250 assert!(tm.tm_gmtoff == 0_i32);
1251 assert!(tm.tm_zone == ~"");
1252 assert!(tm.tm_nsec == 12340000_i32);
1256 fn test(s: &str, format: &str) -> bool {
1257 match strptime(s, format) {
1258 Ok(ref tm) => tm.strftime(format) == s.to_owned(),
1272 for day in days.iter() {
1273 assert!(test(*day, "%A"));
1285 for day in days.iter() {
1286 assert!(test(*day, "%a"));
1303 for day in months.iter() {
1304 assert!(test(*day, "%B"));
1321 for day in months.iter() {
1322 assert!(test(*day, "%b"));
1325 assert!(test("19", "%C"));
1326 assert!(test("Fri Feb 13 23:31:30 2009", "%c"));
1327 assert!(test("02/13/09", "%D"));
1328 assert!(test("03", "%d"));
1329 assert!(test("13", "%d"));
1330 assert!(test(" 3", "%e"));
1331 assert!(test("13", "%e"));
1332 assert!(test("2009-02-13", "%F"));
1333 assert!(test("03", "%H"));
1334 assert!(test("13", "%H"));
1335 assert!(test("03", "%I")); // FIXME (#2350): flesh out
1336 assert!(test("11", "%I")); // FIXME (#2350): flesh out
1337 assert!(test("044", "%j"));
1338 assert!(test(" 3", "%k"));
1339 assert!(test("13", "%k"));
1340 assert!(test(" 1", "%l"));
1341 assert!(test("11", "%l"));
1342 assert!(test("03", "%M"));
1343 assert!(test("13", "%M"));
1344 assert!(test("\n", "%n"));
1345 assert!(test("am", "%P"));
1346 assert!(test("pm", "%P"));
1347 assert!(test("AM", "%p"));
1348 assert!(test("PM", "%p"));
1349 assert!(test("23:31", "%R"));
1350 assert!(test("11:31:30 AM", "%r"));
1351 assert!(test("11:31:30 PM", "%r"));
1352 assert!(test("03", "%S"));
1353 assert!(test("13", "%S"));
1354 assert!(test("15:31:30", "%T"));
1355 assert!(test("\t", "%t"));
1356 assert!(test("1", "%u"));
1357 assert!(test("7", "%u"));
1358 assert!(test("13-Feb-2009", "%v"));
1359 assert!(test("0", "%w"));
1360 assert!(test("6", "%w"));
1361 assert!(test("2009", "%Y"));
1362 assert!(test("09", "%y"));
1363 assert!(strptime("UTC", "%Z").unwrap().tm_zone ==
1365 assert!(strptime("PST", "%Z").unwrap().tm_zone ==
1367 assert!(strptime("-0000", "%z").unwrap().tm_gmtoff ==
1369 assert!(strptime("-0800", "%z").unwrap().tm_gmtoff ==
1371 assert!(test("%", "%%"));
1374 assert_eq!(strptime("360", "%Y-%m-%d"), Err(~"Invalid year"))
1380 let time = Timespec::new(1234567890, 54321);
1381 let utc = at_utc(time);
1382 let local = at(time);
1384 debug!("test_ctime: {:?} {:?}", utc.ctime(), local.ctime());
1386 assert_eq!(utc.ctime(), ~"Fri Feb 13 23:31:30 2009");
1387 assert_eq!(local.ctime(), ~"Fri Feb 13 15:31:30 2009");
1390 fn test_strftime() {
1393 let time = Timespec::new(1234567890, 54321);
1394 let utc = at_utc(time);
1395 let local = at(time);
1397 assert_eq!(local.strftime(""), ~"");
1398 assert_eq!(local.strftime("%A"), ~"Friday");
1399 assert_eq!(local.strftime("%a"), ~"Fri");
1400 assert_eq!(local.strftime("%B"), ~"February");
1401 assert_eq!(local.strftime("%b"), ~"Feb");
1402 assert_eq!(local.strftime("%C"), ~"20");
1403 assert_eq!(local.strftime("%c"), ~"Fri Feb 13 15:31:30 2009");
1404 assert_eq!(local.strftime("%D"), ~"02/13/09");
1405 assert_eq!(local.strftime("%d"), ~"13");
1406 assert_eq!(local.strftime("%e"), ~"13");
1407 assert_eq!(local.strftime("%f"), ~"000054321");
1408 assert_eq!(local.strftime("%F"), ~"2009-02-13");
1409 assert_eq!(local.strftime("%G"), ~"2009");
1410 assert_eq!(local.strftime("%g"), ~"09");
1411 assert_eq!(local.strftime("%H"), ~"15");
1412 assert_eq!(local.strftime("%I"), ~"03");
1413 assert_eq!(local.strftime("%j"), ~"044");
1414 assert_eq!(local.strftime("%k"), ~"15");
1415 assert_eq!(local.strftime("%l"), ~" 3");
1416 assert_eq!(local.strftime("%M"), ~"31");
1417 assert_eq!(local.strftime("%m"), ~"02");
1418 assert_eq!(local.strftime("%n"), ~"\n");
1419 assert_eq!(local.strftime("%P"), ~"pm");
1420 assert_eq!(local.strftime("%p"), ~"PM");
1421 assert_eq!(local.strftime("%R"), ~"15:31");
1422 assert_eq!(local.strftime("%r"), ~"03:31:30 PM");
1423 assert_eq!(local.strftime("%S"), ~"30");
1424 assert_eq!(local.strftime("%s"), ~"1234567890");
1425 assert_eq!(local.strftime("%T"), ~"15:31:30");
1426 assert_eq!(local.strftime("%t"), ~"\t");
1427 assert_eq!(local.strftime("%U"), ~"06");
1428 assert_eq!(local.strftime("%u"), ~"5");
1429 assert_eq!(local.strftime("%V"), ~"07");
1430 assert_eq!(local.strftime("%v"), ~"13-Feb-2009");
1431 assert_eq!(local.strftime("%W"), ~"06");
1432 assert_eq!(local.strftime("%w"), ~"5");
1433 assert_eq!(local.strftime("%X"), ~"15:31:30"); // FIXME (#2350): support locale
1434 assert_eq!(local.strftime("%x"), ~"02/13/09"); // FIXME (#2350): support locale
1435 assert_eq!(local.strftime("%Y"), ~"2009");
1436 assert_eq!(local.strftime("%y"), ~"09");
1437 assert_eq!(local.strftime("%+"), ~"2009-02-13T15:31:30-08:00");
1439 // FIXME (#2350): We should probably standardize on the timezone
1441 let zone = local.strftime("%Z");
1442 assert!(zone == ~"PST" || zone == ~"Pacific Standard Time");
1444 assert_eq!(local.strftime("%z"), ~"-0800");
1445 assert_eq!(local.strftime("%%"), ~"%");
1447 // FIXME (#2350): We should probably standardize on the timezone
1449 let rfc822 = local.rfc822();
1450 let prefix = ~"Fri, 13 Feb 2009 15:31:30 ";
1451 assert!(rfc822 == prefix + "PST" || rfc822 == prefix + "Pacific Standard Time");
1453 assert_eq!(local.ctime(), ~"Fri Feb 13 15:31:30 2009");
1454 assert_eq!(local.rfc822z(), ~"Fri, 13 Feb 2009 15:31:30 -0800");
1455 assert_eq!(local.rfc3339(), ~"2009-02-13T15:31:30-08:00");
1457 assert_eq!(utc.ctime(), ~"Fri Feb 13 23:31:30 2009");
1458 assert_eq!(utc.rfc822(), ~"Fri, 13 Feb 2009 23:31:30 GMT");
1459 assert_eq!(utc.rfc822z(), ~"Fri, 13 Feb 2009 23:31:30 -0000");
1460 assert_eq!(utc.rfc3339(), ~"2009-02-13T23:31:30Z");
1463 fn test_timespec_eq_ord() {
1464 let a = &Timespec::new(-2, 1);
1465 let b = &Timespec::new(-1, 2);
1466 let c = &Timespec::new(1, 2);
1467 let d = &Timespec::new(2, 1);
1468 let e = &Timespec::new(2, 1);
1495 #[ignore(cfg(target_os = "android"))] // FIXME #10958
1497 // The tests race on tzset. So instead of having many independent
1498 // tests, we will just call the functions now.
1500 test_precise_time();
1508 test_timespec_eq_ord();