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rust/src/libstd/time.rs

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#[forbid(deprecated_mode)];
#[forbid(deprecated_pattern)];
use core::cmp::Eq;
use libc::{c_char, c_int, c_long, size_t, time_t};
use io::Reader;
use result::{Result, Ok, Err};
export
Timespec,
get_time,
precise_time_ns,
precise_time_s,
tzset,
Tm,
empty_tm,
now,
at,
now_utc,
at_utc,
strptime;
#[abi = "cdecl"]
extern mod rustrt {
fn get_time(&sec: i64, &nsec: i32);
fn precise_time_ns(&ns: u64);
fn rust_tzset();
// FIXME: The i64 values can be passed by-val when #2064 is fixed.
fn rust_gmtime(&&sec: i64, &&nsec: i32, &&result: Tm);
fn rust_localtime(&&sec: i64, &&nsec: i32, &&result: Tm);
fn rust_timegm(&&tm: Tm, &sec: i64);
fn rust_mktime(&&tm: Tm, &sec: i64);
}
/// A record specifying a time value in seconds and nanoseconds.
type Timespec = {sec: i64, nsec: i32};
impl Timespec : Eq {
pure fn eq(&&other: Timespec) -> bool {
self.sec == other.sec && self.nsec == other.nsec
}
pure fn ne(&&other: Timespec) -> bool { !self.eq(other) }
}
/**
* Returns the current time as a `timespec` containing the seconds and
* nanoseconds since 1970-01-01T00:00:00Z.
*/
fn get_time() -> Timespec {
let mut sec = 0i64;
let mut nsec = 0i32;
rustrt::get_time(sec, nsec);
return {sec: sec, nsec: nsec};
}
/**
* Returns the current value of a high-resolution performance counter
* in nanoseconds since an unspecified epoch.
*/
fn precise_time_ns() -> u64 {
let mut ns = 0u64;
rustrt::precise_time_ns(ns);
ns
}
/**
* Returns the current value of a high-resolution performance counter
* in seconds since an unspecified epoch.
*/
fn precise_time_s() -> float {
return (precise_time_ns() as float) / 1000000000.;
}
fn tzset() {
rustrt::rust_tzset();
}
type Tm_ = {
tm_sec: i32, // seconds after the minute ~[0-60]
tm_min: i32, // minutes after the hour ~[0-59]
tm_hour: i32, // hours after midnight ~[0-23]
tm_mday: i32, // days of the month ~[1-31]
tm_mon: i32, // months since January ~[0-11]
tm_year: i32, // years since 1900
tm_wday: i32, // days since Sunday ~[0-6]
tm_yday: i32, // days since January 1 ~[0-365]
tm_isdst: i32, // Daylight Savings Time flag
tm_gmtoff: i32, // offset from UTC in seconds
tm_zone: ~str, // timezone abbreviation
tm_nsec: i32, // nanoseconds
};
impl Tm_ : Eq {
pure fn eq(&&other: Tm_) -> bool {
self.tm_sec == other.tm_sec &&
self.tm_min == other.tm_min &&
self.tm_hour == other.tm_hour &&
self.tm_mday == other.tm_mday &&
self.tm_mon == other.tm_mon &&
self.tm_year == other.tm_year &&
self.tm_wday == other.tm_wday &&
self.tm_yday == other.tm_yday &&
self.tm_isdst == other.tm_isdst &&
self.tm_gmtoff == other.tm_gmtoff &&
self.tm_zone == other.tm_zone &&
self.tm_nsec == other.tm_nsec
}
pure fn ne(&&other: Tm_) -> bool { !self.eq(other) }
}
enum Tm {
Tm_(Tm_)
}
impl Tm : Eq {
pure fn eq(&&other: Tm) -> bool { *self == *other }
pure fn ne(&&other: Tm) -> bool { *self != *other }
}
fn empty_tm() -> Tm {
Tm_({
tm_sec: 0_i32,
tm_min: 0_i32,
tm_hour: 0_i32,
tm_mday: 0_i32,
tm_mon: 0_i32,
tm_year: 0_i32,
tm_wday: 0_i32,
tm_yday: 0_i32,
tm_isdst: 0_i32,
tm_gmtoff: 0_i32,
tm_zone: ~"",
tm_nsec: 0_i32,
})
}
/// Returns the specified time in UTC
fn at_utc(clock: Timespec) -> Tm {
let mut {sec, nsec} = clock;
let mut tm = empty_tm();
rustrt::rust_gmtime(sec, nsec, tm);
tm
}
/// Returns the current time in UTC
fn now_utc() -> Tm {
at_utc(get_time())
}
/// Returns the specified time in the local timezone
fn at(clock: Timespec) -> Tm {
let mut {sec, nsec} = clock;
let mut tm = empty_tm();
rustrt::rust_localtime(sec, nsec, tm);
tm
}
/// Returns the current time in the local timezone
fn now() -> Tm {
at(get_time())
}
/// Parses the time from the string according to the format string.
fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
type TmMut = {
mut tm_sec: i32,
mut tm_min: i32,
mut tm_hour: i32,
mut tm_mday: i32,
mut tm_mon: i32,
mut tm_year: i32,
mut tm_wday: i32,
mut tm_yday: i32,
mut tm_isdst: i32,
mut tm_gmtoff: i32,
mut tm_zone: ~str,
mut tm_nsec: i32,
};
fn match_str(s: &str, pos: uint, needle: &str) -> bool {
let mut i = pos;
for str::each(needle) |ch| {
if s[i] != ch {
return false;
}
i += 1u;
}
return true;
}
fn match_strs(ss: &str, pos: uint, strs: &[(~str, i32)])
-> Option<(i32, uint)> {
let mut i = 0u;
let len = vec::len(strs);
while i < len {
let (needle, value) = strs[i];
if match_str(ss, pos, needle) {
return Some((value, pos + str::len(needle)));
}
i += 1u;
}
None
}
fn match_digits(ss: &str, pos: uint, digits: uint, ws: bool)
-> Option<(i32, uint)> {
let mut pos = pos;
let mut value = 0_i32;
let mut i = 0u;
while i < digits {
let {ch, next} = str::char_range_at(str::from_slice(ss), pos);
pos = next;
match ch {
'0' .. '9' => {
value = value * 10_i32 + (ch as i32 - '0' as i32);
}
' ' if ws => (),
_ => return None
}
i += 1u;
}
Some((value, pos))
}
fn parse_char(s: &str, pos: uint, c: char) -> Result<uint, ~str> {
let {ch, next} = str::char_range_at(s, pos);
if c == ch {
Ok(next)
} else {
Err(fmt!("Expected %?, found %?",
str::from_char(c),
str::from_char(ch)))
}
}
fn parse_type(s: &str, pos: uint, ch: char, tm: &TmMut)
-> Result<uint, ~str> {
match ch {
'A' => match match_strs(s, pos, ~[
(~"Sunday", 0_i32),
(~"Monday", 1_i32),
(~"Tuesday", 2_i32),
(~"Wednesday", 3_i32),
(~"Thursday", 4_i32),
(~"Friday", 5_i32),
(~"Saturday", 6_i32)
]) {
Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
None => Err(~"Invalid day")
},
'a' => match match_strs(s, pos, ~[
(~"Sun", 0_i32),
(~"Mon", 1_i32),
(~"Tue", 2_i32),
(~"Wed", 3_i32),
(~"Thu", 4_i32),
(~"Fri", 5_i32),
(~"Sat", 6_i32)
]) {
Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
None => Err(~"Invalid day")
},
'B' => match match_strs(s, pos, ~[
(~"January", 0_i32),
(~"February", 1_i32),
(~"March", 2_i32),
(~"April", 3_i32),
(~"May", 4_i32),
(~"June", 5_i32),
(~"July", 6_i32),
(~"August", 7_i32),
(~"September", 8_i32),
(~"October", 9_i32),
(~"November", 10_i32),
(~"December", 11_i32)
]) {
Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
None => Err(~"Invalid month")
},
'b' | 'h' => match match_strs(s, pos, ~[
(~"Jan", 0_i32),
(~"Feb", 1_i32),
(~"Mar", 2_i32),
(~"Apr", 3_i32),
(~"May", 4_i32),
(~"Jun", 5_i32),
(~"Jul", 6_i32),
(~"Aug", 7_i32),
(~"Sep", 8_i32),
(~"Oct", 9_i32),
(~"Nov", 10_i32),
(~"Dec", 11_i32)
]) {
Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
None => Err(~"Invalid month")
},
'C' => match match_digits(s, pos, 2u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_year += (v * 100_i32) - 1900_i32;
Ok(pos)
}
None => Err(~"Invalid year")
},
'c' => {
parse_type(s, pos, 'a', tm)
.chain(|pos| parse_char(s, pos, ' '))
.chain(|pos| parse_type(s, pos, 'b', tm))
.chain(|pos| parse_char(s, pos, ' '))
.chain(|pos| parse_type(s, pos, 'e', tm))
.chain(|pos| parse_char(s, pos, ' '))
.chain(|pos| parse_type(s, pos, 'T', tm))
.chain(|pos| parse_char(s, pos, ' '))
.chain(|pos| parse_type(s, pos, 'Y', tm))
}
'D' | 'x' => {
parse_type(s, pos, 'm', tm)
.chain(|pos| parse_char(s, pos, '/'))
.chain(|pos| parse_type(s, pos, 'd', tm))
.chain(|pos| parse_char(s, pos, '/'))
.chain(|pos| parse_type(s, pos, 'y', tm))
}
'd' => match match_digits(s, pos, 2u, false) {
Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
None => Err(~"Invalid day of the month")
},
'e' => match match_digits(s, pos, 2u, true) {
Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
None => Err(~"Invalid day of the month")
},
'F' => {
parse_type(s, pos, 'Y', tm)
.chain(|pos| parse_char(s, pos, '-'))
.chain(|pos| parse_type(s, pos, 'm', tm))
.chain(|pos| parse_char(s, pos, '-'))
.chain(|pos| parse_type(s, pos, 'd', tm))
}
'H' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, false) {
Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
None => Err(~"Invalid hour")
}
}
'I' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
Ok(pos)
}
None => Err(~"Invalid hour")
}
}
'j' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 3u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_yday = v - 1_i32;
Ok(pos)
}
None => Err(~"Invalid year")
}
}
'k' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, true) {
Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
None => Err(~"Invalid hour")
}
}
'l' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, true) {
Some(item) => {
let (v, pos) = item;
tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
Ok(pos)
}
None => Err(~"Invalid hour")
}
}
'M' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, false) {
Some(item) => { let (v, pos) = item; tm.tm_min = v; Ok(pos) }
None => Err(~"Invalid minute")
}
}
'm' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_mon = v - 1_i32;
Ok(pos)
}
None => Err(~"Invalid month")
}
}
'n' => parse_char(s, pos, '\n'),
'P' => match match_strs(s, pos,
~[(~"am", 0_i32), (~"pm", 12_i32)]) {
Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
None => Err(~"Invalid hour")
},
'p' => match match_strs(s, pos,
~[(~"AM", 0_i32), (~"PM", 12_i32)]) {
Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
None => Err(~"Invalid hour")
},
'R' => {
parse_type(s, pos, 'H', tm)
.chain(|pos| parse_char(s, pos, ':'))
.chain(|pos| parse_type(s, pos, 'M', tm))
}
'r' => {
parse_type(s, pos, 'I', tm)
.chain(|pos| parse_char(s, pos, ':'))
.chain(|pos| parse_type(s, pos, 'M', tm))
.chain(|pos| parse_char(s, pos, ':'))
.chain(|pos| parse_type(s, pos, 'S', tm))
.chain(|pos| parse_char(s, pos, ' '))
.chain(|pos| parse_type(s, pos, 'p', tm))
}
'S' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_sec = v;
Ok(pos)
}
None => Err(~"Invalid second")
}
}
//'s' {}
'T' | 'X' => {
parse_type(s, pos, 'H', tm)
.chain(|pos| parse_char(s, pos, ':'))
.chain(|pos| parse_type(s, pos, 'M', tm))
.chain(|pos| parse_char(s, pos, ':'))
.chain(|pos| parse_type(s, pos, 'S', tm))
}
't' => parse_char(s, pos, '\t'),
'u' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 1u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_wday = v;
Ok(pos)
}
None => Err(~"Invalid weekday")
}
}
'v' => {
parse_type(s, pos, 'e', tm)
.chain(|pos| parse_char(s, pos, '-'))
.chain(|pos| parse_type(s, pos, 'b', tm))
.chain(|pos| parse_char(s, pos, '-'))
.chain(|pos| parse_type(s, pos, 'Y', tm))
}
//'W' {}
'w' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 1u, false) {
Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
None => Err(~"Invalid weekday")
}
}
//'X' {}
//'x' {}
'Y' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 4u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_year = v - 1900_i32;
Ok(pos)
}
None => Err(~"Invalid weekday")
}
}
'y' => {
// FIXME (#2350): range check.
match match_digits(s, pos, 2u, false) {
Some(item) => {
let (v, pos) = item;
tm.tm_year = v - 1900_i32;
Ok(pos)
}
None => Err(~"Invalid weekday")
}
}
'Z' => {
if match_str(s, pos, ~"UTC") || match_str(s, pos, ~"GMT") {
tm.tm_gmtoff = 0_i32;
tm.tm_zone = ~"UTC";
Ok(pos + 3u)
} else {
// It's odd, but to maintain compatibility with c's
// strptime we ignore the timezone.
let mut pos = pos;
let len = str::len(s);
while pos < len {
let {ch, next} = str::char_range_at(s, pos);
pos = next;
if ch == ' ' { break; }
}
Ok(pos)
}
}
'z' => {
let {ch, next} = str::char_range_at(s, pos);
if ch == '+' || ch == '-' {
match match_digits(s, next, 4u, false) {
Some(item) => {
let (v, pos) = item;
if v == 0_i32 {
tm.tm_gmtoff = 0_i32;
tm.tm_zone = ~"UTC";
}
Ok(pos)
}
None => Err(~"Invalid zone offset")
}
} else {
Err(~"Invalid zone offset")
}
}
'%' => parse_char(s, pos, '%'),
ch => {
Err(fmt!("unknown formatting type: %?", str::from_char(ch)))
}
}
}
do io::with_str_reader(str::from_slice(format)) |rdr| {
let tm = {
mut tm_sec: 0_i32,
mut tm_min: 0_i32,
mut tm_hour: 0_i32,
mut tm_mday: 0_i32,
mut tm_mon: 0_i32,
mut tm_year: 0_i32,
mut tm_wday: 0_i32,
mut tm_yday: 0_i32,
mut tm_isdst: 0_i32,
mut tm_gmtoff: 0_i32,
mut tm_zone: ~"",
mut tm_nsec: 0_i32,
};
let mut pos = 0u;
let len = str::len(s);
let mut result = Err(~"Invalid time");
while !rdr.eof() && pos < len {
let {ch, next} = str::char_range_at(s, pos);
match rdr.read_char() {
'%' => match parse_type(s, pos, rdr.read_char(), &tm) {
Ok(next) => pos = next,
Err(e) => { result = Err(e); break; }
},
c => {
if c != ch { break }
pos = next;
}
}
}
if pos == len && rdr.eof() {
Ok(Tm_({
tm_sec: tm.tm_sec,
tm_min: tm.tm_min,
tm_hour: tm.tm_hour,
tm_mday: tm.tm_mday,
tm_mon: tm.tm_mon,
tm_year: tm.tm_year,
tm_wday: tm.tm_wday,
tm_yday: tm.tm_yday,
tm_isdst: tm.tm_isdst,
tm_gmtoff: tm.tm_gmtoff,
tm_zone: tm.tm_zone,
tm_nsec: tm.tm_nsec,
}))
} else { result }
}
}
fn strftime(format: &str, +tm: Tm) -> ~str {
fn parse_type(ch: char, tm: &Tm) -> ~str {
//FIXME (#2350): Implement missing types.
let die = || #fmt("strftime: can't understand this format %c ",
ch);
match ch {
'A' => match tm.tm_wday as int {
0 => ~"Sunday",
1 => ~"Monday",
2 => ~"Tuesday",
3 => ~"Wednesday",
4 => ~"Thursday",
5 => ~"Friday",
6 => ~"Saturday",
_ => die()
},
'a' => match tm.tm_wday as int {
0 => ~"Sun",
1 => ~"Mon",
2 => ~"Tue",
3 => ~"Wed",
4 => ~"Thu",
5 => ~"Fri",
6 => ~"Sat",
_ => die()
},
'B' => match tm.tm_mon as int {
0 => ~"January",
1 => ~"February",
2 => ~"March",
3 => ~"April",
4 => ~"May",
5 => ~"June",
6 => ~"July",
7 => ~"August",
8 => ~"September",
9 => ~"October",
10 => ~"November",
11 => ~"December",
_ => die()
},
'b' | 'h' => match tm.tm_mon as int {
0 => ~"Jan",
1 => ~"Feb",
2 => ~"Mar",
3 => ~"Apr",
4 => ~"May",
5 => ~"Jun",
6 => ~"Jul",
7 => ~"Aug",
8 => ~"Sep",
9 => ~"Oct",
10 => ~"Nov",
11 => ~"Dec",
_ => die()
},
'C' => fmt!("%02d", (tm.tm_year as int + 1900) / 100),
'c' => {
fmt!("%s %s %s %s %s",
parse_type('a', tm),
parse_type('b', tm),
parse_type('e', tm),
parse_type('T', tm),
parse_type('Y', tm))
}
'D' | 'x' => {
fmt!("%s/%s/%s",
parse_type('m', tm),
parse_type('d', tm),
parse_type('y', tm))
}
'd' => fmt!("%02d", tm.tm_mday as int),
'e' => fmt!("%2d", tm.tm_mday as int),
'F' => {
fmt!("%s-%s-%s",
parse_type('Y', tm),
parse_type('m', tm),
parse_type('d', tm))
}
//'G' {}
//'g' {}
'H' => fmt!("%02d", tm.tm_hour as int),
'I' => {
let mut h = tm.tm_hour as int;
if h == 0 { h = 12 }
if h > 12 { h -= 12 }
fmt!("%02d", h)
}
'j' => fmt!("%03d", tm.tm_yday as int + 1),
'k' => fmt!("%2d", tm.tm_hour as int),
'l' => {
let mut h = tm.tm_hour as int;
if h == 0 { h = 12 }
if h > 12 { h -= 12 }
fmt!("%2d", h)
}
'M' => fmt!("%02d", tm.tm_min as int),
'm' => fmt!("%02d", tm.tm_mon as int + 1),
'n' => ~"\n",
'P' => if tm.tm_hour as int < 12 { ~"am" } else { ~"pm" },
'p' => if tm.tm_hour as int < 12 { ~"AM" } else { ~"PM" },
'R' => {
fmt!("%s:%s",
parse_type('H', tm),
parse_type('M', tm))
}
'r' => {
fmt!("%s:%s:%s %s",
parse_type('I', tm),
parse_type('M', tm),
parse_type('S', tm),
parse_type('p', tm))
}
'S' => fmt!("%02d", tm.tm_sec as int),
's' => fmt!("%d", tm.to_timespec().sec as int),
'T' | 'X' => {
fmt!("%s:%s:%s",
parse_type('H', tm),
parse_type('M', tm),
parse_type('S', tm))
}
't' => ~"\t",
//'U' {}
'u' => {
let i = tm.tm_wday as int;
int::str(if i == 0 { 7 } else { i })
}
//'V' {}
'v' => {
fmt!("%s-%s-%s",
parse_type('e', tm),
parse_type('b', tm),
parse_type('Y', tm))
}
//'W' {}
'w' => int::str(tm.tm_wday as int),
//'X' {}
//'x' {}
'Y' => int::str(tm.tm_year as int + 1900),
'y' => fmt!("%02d", (tm.tm_year as int + 1900) % 100),
'Z' => tm.tm_zone,
'z' => {
let sign = if tm.tm_gmtoff > 0_i32 { '+' } else { '-' };
let mut m = i32::abs(tm.tm_gmtoff) / 60_i32;
let h = m / 60_i32;
m -= h * 60_i32;
fmt!("%c%02d%02d", sign, h as int, m as int)
}
//'+' {}
'%' => ~"%",
_ => die()
}
}
let mut buf = ~"";
do io::with_str_reader(str::from_slice(format)) |rdr| {
while !rdr.eof() {
match rdr.read_char() {
'%' => buf += parse_type(rdr.read_char(), &tm),
ch => str::push_char(buf, ch)
}
}
}
buf
}
impl Tm {
/// Convert time to the seconds from January 1, 1970
fn to_timespec() -> Timespec {
let mut sec = 0i64;
if self.tm_gmtoff == 0_i32 {
rustrt::rust_timegm(self, sec);
} else {
rustrt::rust_mktime(self, sec);
}
{ sec: sec, nsec: self.tm_nsec }
}
/// Convert time to the local timezone
fn to_local() -> Tm {
at(self.to_timespec())
}
/// Convert time to the UTC
fn to_utc() -> Tm {
at_utc(self.to_timespec())
}
/**
* Return a string of the current time in the form
* "Thu Jan 1 00:00:00 1970".
*/
fn ctime() -> ~str { self.strftime(~"%c") }
/// Formats the time according to the format string.
fn strftime(format: &str) -> ~str { strftime(format, self) }
/**
* Returns a time string formatted according to RFC 822.
*
* local: "Thu, 22 Mar 2012 07:53:18 PST"
* utc: "Thu, 22 Mar 2012 14:53:18 UTC"
*/
fn rfc822() -> ~str {
if self.tm_gmtoff == 0_i32 {
self.strftime(~"%a, %d %b %Y %T GMT")
} else {
self.strftime(~"%a, %d %b %Y %T %Z")
}
}
/**
* Returns a time string formatted according to RFC 822 with Zulu time.
*
* local: "Thu, 22 Mar 2012 07:53:18 -0700"
* utc: "Thu, 22 Mar 2012 14:53:18 -0000"
*/
fn rfc822z() -> ~str {
self.strftime(~"%a, %d %b %Y %T %z")
}
/**
* Returns a time string formatted according to ISO 8601.
*
* local: "2012-02-22T07:53:18-07:00"
* utc: "2012-02-22T14:53:18Z"
*/
fn rfc3339() -> ~str {
if self.tm_gmtoff == 0_i32 {
self.strftime(~"%Y-%m-%dT%H:%M:%SZ")
} else {
let s = self.strftime(~"%Y-%m-%dT%H:%M:%S");
let sign = if self.tm_gmtoff > 0_i32 { '+' } else { '-' };
let mut m = i32::abs(self.tm_gmtoff) / 60_i32;
let h = m / 60_i32;
m -= h * 60_i32;
s + fmt!("%c%02d:%02d", sign, h as int, m as int)
}
}
}
#[cfg(test)]
mod tests {
import task;
#[test]
fn test_get_time() {
const some_recent_date: i64 = 1325376000i64; // 2012-01-01T00:00:00Z
const some_future_date: i64 = 1577836800i64; // 2020-01-01T00:00:00Z
let tv1 = get_time();
log(debug, ~"tv1=" + uint::str(tv1.sec as uint) + ~" sec + "
+ uint::str(tv1.nsec as uint) + ~" nsec");
assert tv1.sec > some_recent_date;
assert tv1.nsec < 1000000000i32;
let tv2 = get_time();
log(debug, ~"tv2=" + uint::str(tv2.sec as uint) + ~" sec + "
+ uint::str(tv2.nsec as uint) + ~" nsec");
assert tv2.sec >= tv1.sec;
assert tv2.sec < some_future_date;
assert tv2.nsec < 1000000000i32;
if tv2.sec == tv1.sec {
assert tv2.nsec >= tv1.nsec;
}
}
#[test]
fn test_precise_time() {
let s0 = precise_time_s();
let ns1 = precise_time_ns();
log(debug, ~"s0=" + float::to_str(s0, 9u) + ~" sec");
assert s0 > 0.;
let ns0 = (s0 * 1000000000.) as u64;
log(debug, ~"ns0=" + u64::str(ns0) + ~" ns");
log(debug, ~"ns1=" + u64::str(ns1) + ~" ns");
assert ns1 >= ns0;
let ns2 = precise_time_ns();
log(debug, ~"ns2=" + u64::str(ns2) + ~" ns");
assert ns2 >= ns1;
}
#[test]
fn test_at_utc() {
os::setenv(~"TZ", ~"America/Los_Angeles");
tzset();
let time = { sec: 1234567890_i64, nsec: 54321_i32 };
let utc = at_utc(time);
assert utc.tm_sec == 30_i32;
assert utc.tm_min == 31_i32;
assert utc.tm_hour == 23_i32;
assert utc.tm_mday == 13_i32;
assert utc.tm_mon == 1_i32;
assert utc.tm_year == 109_i32;
assert utc.tm_wday == 5_i32;
assert utc.tm_yday == 43_i32;
assert utc.tm_isdst == 0_i32;
assert utc.tm_gmtoff == 0_i32;
assert utc.tm_zone == ~"UTC";
assert utc.tm_nsec == 54321_i32;
}
#[test]
fn test_at() {
os::setenv(~"TZ", ~"America/Los_Angeles");
tzset();
let time = { sec: 1234567890_i64, nsec: 54321_i32 };
let local = at(time);
error!("time_at: %?", local);
assert local.tm_sec == 30_i32;
assert local.tm_min == 31_i32;
assert local.tm_hour == 15_i32;
assert local.tm_mday == 13_i32;
assert local.tm_mon == 1_i32;
assert local.tm_year == 109_i32;
assert local.tm_wday == 5_i32;
assert local.tm_yday == 43_i32;
assert local.tm_isdst == 0_i32;
assert local.tm_gmtoff == -28800_i32;
// FIXME (#2350): We should probably standardize on the timezone
// abbreviation.
let zone = local.tm_zone;
assert zone == ~"PST" || zone == ~"Pacific Standard Time";
assert local.tm_nsec == 54321_i32;
}
#[test]
fn test_to_timespec() {
os::setenv(~"TZ", ~"America/Los_Angeles");
tzset();
let time = { sec: 1234567890_i64, nsec: 54321_i32 };
let utc = at_utc(time);
assert utc.to_timespec() == time;
assert utc.to_local().to_timespec() == time;
}
#[test]
fn test_conversions() {
os::setenv(~"TZ", ~"America/Los_Angeles");
tzset();
let time = { sec: 1234567890_i64, nsec: 54321_i32 };
let utc = at_utc(time);
let local = at(time);
assert local.to_local() == local;
assert local.to_utc() == utc;
assert local.to_utc().to_local() == local;
assert utc.to_utc() == utc;
assert utc.to_local() == local;
assert utc.to_local().to_utc() == utc;
}
#[test]
fn test_strptime() {
os::setenv(~"TZ", ~"America/Los_Angeles");
tzset();
match strptime(~"", ~"") {
Ok(tm) => {
assert tm.tm_sec == 0_i32;
assert tm.tm_min == 0_i32;
assert tm.tm_hour == 0_i32;
assert tm.tm_mday == 0_i32;
assert tm.tm_mon == 0_i32;
assert tm.tm_year == 0_i32;
assert tm.tm_wday == 0_i32;
assert tm.tm_isdst== 0_i32;
assert tm.tm_gmtoff == 0_i32;
assert tm.tm_zone == ~"";
assert tm.tm_nsec == 0_i32;
}
Err(_) => ()
}
let format = ~"%a %b %e %T %Y";
assert strptime(~"", format) == Err(~"Invalid time");
assert strptime(~"Fri Feb 13 15:31:30", format)
== Err(~"Invalid time");
match strptime(~"Fri Feb 13 15:31:30 2009", format) {
Err(e) => fail e,
Ok(tm) => {
assert tm.tm_sec == 30_i32;
assert tm.tm_min == 31_i32;
assert tm.tm_hour == 15_i32;
assert tm.tm_mday == 13_i32;
assert tm.tm_mon == 1_i32;
assert tm.tm_year == 109_i32;
assert tm.tm_wday == 5_i32;
assert tm.tm_yday == 0_i32;
assert tm.tm_isdst == 0_i32;
assert tm.tm_gmtoff == 0_i32;
assert tm.tm_zone == ~"";
assert tm.tm_nsec == 0_i32;
}
}
fn test(s: &str, format: &str) -> bool {
match strptime(s, format) {
Ok(tm) => tm.strftime(format) == str::from_slice(s),
Err(e) => fail e
}
}
[
~"Sunday",
~"Monday",
~"Tuesday",
~"Wednesday",
~"Thursday",
~"Friday",
~"Saturday"
]/_.iter(|day| assert test(day, ~"%A"));
[
~"Sun",
~"Mon",
~"Tue",
~"Wed",
~"Thu",
~"Fri",
~"Sat"
]/_.iter(|day| assert test(day, ~"%a"));
[
~"January",
~"February",
~"March",
~"April",
~"May",
~"June",
~"July",
~"August",
~"September",
~"October",
~"November",
~"December"
]/_.iter(|day| assert test(day, ~"%B"));
[
~"Jan",
~"Feb",
~"Mar",
~"Apr",
~"May",
~"Jun",
~"Jul",
~"Aug",
~"Sep",
~"Oct",
~"Nov",
~"Dec"
]/_.iter(|day| assert test(day, ~"%b"));
assert test(~"19", ~"%C");
assert test(~"Fri Feb 13 23:31:30 2009", ~"%c");
assert test(~"02/13/09", ~"%D");
assert test(~"03", ~"%d");
assert test(~"13", ~"%d");
assert test(~" 3", ~"%e");
assert test(~"13", ~"%e");
assert test(~"2009-02-13", ~"%F");
assert test(~"03", ~"%H");
assert test(~"13", ~"%H");
assert test(~"03", ~"%I"); // FIXME (#2350): flesh out
assert test(~"11", ~"%I"); // FIXME (#2350): flesh out
assert test(~"044", ~"%j");
assert test(~" 3", ~"%k");
assert test(~"13", ~"%k");
assert test(~" 1", ~"%l");
assert test(~"11", ~"%l");
assert test(~"03", ~"%M");
assert test(~"13", ~"%M");
assert test(~"\n", ~"%n");
assert test(~"am", ~"%P");
assert test(~"pm", ~"%P");
assert test(~"AM", ~"%p");
assert test(~"PM", ~"%p");
assert test(~"23:31", ~"%R");
assert test(~"11:31:30 AM", ~"%r");
assert test(~"11:31:30 PM", ~"%r");
assert test(~"03", ~"%S");
assert test(~"13", ~"%S");
assert test(~"15:31:30", ~"%T");
assert test(~"\t", ~"%t");
assert test(~"1", ~"%u");
assert test(~"7", ~"%u");
assert test(~"13-Feb-2009", ~"%v");
assert test(~"0", ~"%w");
assert test(~"6", ~"%w");
assert test(~"2009", ~"%Y");
assert test(~"09", ~"%y");
assert strptime(~"UTC", ~"%Z").get().tm_zone == ~"UTC";
assert strptime(~"PST", ~"%Z").get().tm_zone == ~"";
assert strptime(~"-0000", ~"%z").get().tm_gmtoff == 0_i32;
assert strptime(~"-0800", ~"%z").get().tm_gmtoff == 0_i32;
assert test(~"%", ~"%%");
}
#[test]
fn test_ctime() {
os::setenv(~"TZ", ~"America/Los_Angeles");
tzset();
let time = { sec: 1234567890_i64, nsec: 54321_i32 };
let utc = at_utc(time);
let local = at(time);
error!("test_ctime: %? %?", utc.ctime(), local.ctime());
assert utc.ctime() == ~"Fri Feb 13 23:31:30 2009";
assert local.ctime() == ~"Fri Feb 13 15:31:30 2009";
}
#[test]
fn test_strftime() {
os::setenv(~"TZ", ~"America/Los_Angeles");
tzset();
let time = { sec: 1234567890_i64, nsec: 54321_i32 };
let utc = at_utc(time);
let local = at(time);
assert local.strftime(~"") == ~"";
assert local.strftime(~"%A") == ~"Friday";
assert local.strftime(~"%a") == ~"Fri";
assert local.strftime(~"%B") == ~"February";
assert local.strftime(~"%b") == ~"Feb";
assert local.strftime(~"%C") == ~"20";
assert local.strftime(~"%c") == ~"Fri Feb 13 15:31:30 2009";
assert local.strftime(~"%D") == ~"02/13/09";
assert local.strftime(~"%d") == ~"13";
assert local.strftime(~"%e") == ~"13";
assert local.strftime(~"%F") == ~"2009-02-13";
// assert local.strftime("%G") == "2009";
// assert local.strftime("%g") == "09";
assert local.strftime(~"%H") == ~"15";
assert local.strftime(~"%I") == ~"03";
assert local.strftime(~"%j") == ~"044";
assert local.strftime(~"%k") == ~"15";
assert local.strftime(~"%l") == ~" 3";
assert local.strftime(~"%M") == ~"31";
assert local.strftime(~"%m") == ~"02";
assert local.strftime(~"%n") == ~"\n";
assert local.strftime(~"%P") == ~"pm";
assert local.strftime(~"%p") == ~"PM";
assert local.strftime(~"%R") == ~"15:31";
assert local.strftime(~"%r") == ~"03:31:30 PM";
assert local.strftime(~"%S") == ~"30";
assert local.strftime(~"%s") == ~"1234567890";
assert local.strftime(~"%T") == ~"15:31:30";
assert local.strftime(~"%t") == ~"\t";
// assert local.strftime("%U") == "06";
assert local.strftime(~"%u") == ~"5";
// assert local.strftime("%V") == "07";
assert local.strftime(~"%v") == ~"13-Feb-2009";
// assert local.strftime("%W") == "06";
assert local.strftime(~"%w") == ~"5";
// handle "%X"
// handle "%x"
assert local.strftime(~"%Y") == ~"2009";
assert local.strftime(~"%y") == ~"09";
// FIXME (#2350): We should probably standardize on the timezone
// abbreviation.
let zone = local.strftime(~"%Z");
assert zone == ~"PST" || zone == ~"Pacific Standard Time";
assert local.strftime(~"%z") == ~"-0800";
assert local.strftime(~"%%") == ~"%";
// FIXME (#2350): We should probably standardize on the timezone
// abbreviation.
let rfc822 = local.rfc822();
let prefix = ~"Fri, 13 Feb 2009 15:31:30 ";
assert rfc822 == prefix + ~"PST" ||
rfc822 == prefix + ~"Pacific Standard Time";
assert local.ctime() == ~"Fri Feb 13 15:31:30 2009";
assert local.rfc822z() == ~"Fri, 13 Feb 2009 15:31:30 -0800";
assert local.rfc3339() == ~"2009-02-13T15:31:30-08:00";
assert utc.ctime() == ~"Fri Feb 13 23:31:30 2009";
assert utc.rfc822() == ~"Fri, 13 Feb 2009 23:31:30 GMT";
assert utc.rfc822z() == ~"Fri, 13 Feb 2009 23:31:30 -0000";
assert utc.rfc3339() == ~"2009-02-13T23:31:30Z";
}
}
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