1210 lines
36 KiB
Rust
1210 lines
36 KiB
Rust
#[forbid(deprecated_mode)];
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#[forbid(deprecated_pattern)];
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use core::cmp::Eq;
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use libc::{c_char, c_int, c_long, size_t, time_t};
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use io::Reader;
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use result::{Result, Ok, Err};
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export
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Timespec,
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get_time,
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precise_time_ns,
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precise_time_s,
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tzset,
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Tm,
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empty_tm,
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now,
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at,
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now_utc,
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at_utc,
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strptime;
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#[abi = "cdecl"]
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extern mod rustrt {
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fn get_time(&sec: i64, &nsec: i32);
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fn precise_time_ns(&ns: u64);
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fn rust_tzset();
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// FIXME: The i64 values can be passed by-val when #2064 is fixed.
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fn rust_gmtime(&&sec: i64, &&nsec: i32, &&result: Tm);
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fn rust_localtime(&&sec: i64, &&nsec: i32, &&result: Tm);
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fn rust_timegm(&&tm: Tm, &sec: i64);
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fn rust_mktime(&&tm: Tm, &sec: i64);
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}
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/// A record specifying a time value in seconds and nanoseconds.
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type Timespec = {sec: i64, nsec: i32};
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impl Timespec : Eq {
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pure fn eq(&&other: Timespec) -> bool {
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self.sec == other.sec && self.nsec == other.nsec
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}
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pure fn ne(&&other: Timespec) -> bool { !self.eq(other) }
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}
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/**
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* Returns the current time as a `timespec` containing the seconds and
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* nanoseconds since 1970-01-01T00:00:00Z.
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*/
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fn get_time() -> Timespec {
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let mut sec = 0i64;
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let mut nsec = 0i32;
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rustrt::get_time(sec, nsec);
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return {sec: sec, nsec: nsec};
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}
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/**
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* Returns the current value of a high-resolution performance counter
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* in nanoseconds since an unspecified epoch.
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*/
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fn precise_time_ns() -> u64 {
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let mut ns = 0u64;
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rustrt::precise_time_ns(ns);
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ns
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}
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/**
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* Returns the current value of a high-resolution performance counter
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* in seconds since an unspecified epoch.
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*/
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fn precise_time_s() -> float {
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return (precise_time_ns() as float) / 1000000000.;
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}
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fn tzset() {
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rustrt::rust_tzset();
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}
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type Tm_ = {
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tm_sec: i32, // seconds after the minute ~[0-60]
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tm_min: i32, // minutes after the hour ~[0-59]
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tm_hour: i32, // hours after midnight ~[0-23]
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tm_mday: i32, // days of the month ~[1-31]
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tm_mon: i32, // months since January ~[0-11]
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tm_year: i32, // years since 1900
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tm_wday: i32, // days since Sunday ~[0-6]
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tm_yday: i32, // days since January 1 ~[0-365]
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tm_isdst: i32, // Daylight Savings Time flag
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tm_gmtoff: i32, // offset from UTC in seconds
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tm_zone: ~str, // timezone abbreviation
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tm_nsec: i32, // nanoseconds
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};
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impl Tm_ : Eq {
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pure fn eq(&&other: Tm_) -> bool {
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self.tm_sec == other.tm_sec &&
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self.tm_min == other.tm_min &&
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self.tm_hour == other.tm_hour &&
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self.tm_mday == other.tm_mday &&
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self.tm_mon == other.tm_mon &&
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self.tm_year == other.tm_year &&
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self.tm_wday == other.tm_wday &&
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self.tm_yday == other.tm_yday &&
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self.tm_isdst == other.tm_isdst &&
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self.tm_gmtoff == other.tm_gmtoff &&
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self.tm_zone == other.tm_zone &&
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self.tm_nsec == other.tm_nsec
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}
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pure fn ne(&&other: Tm_) -> bool { !self.eq(other) }
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}
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enum Tm {
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Tm_(Tm_)
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}
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impl Tm : Eq {
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pure fn eq(&&other: Tm) -> bool { *self == *other }
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pure fn ne(&&other: Tm) -> bool { *self != *other }
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}
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fn empty_tm() -> Tm {
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Tm_({
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tm_sec: 0_i32,
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tm_min: 0_i32,
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tm_hour: 0_i32,
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tm_mday: 0_i32,
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tm_mon: 0_i32,
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tm_year: 0_i32,
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tm_wday: 0_i32,
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tm_yday: 0_i32,
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tm_isdst: 0_i32,
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tm_gmtoff: 0_i32,
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tm_zone: ~"",
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tm_nsec: 0_i32,
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})
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}
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/// Returns the specified time in UTC
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fn at_utc(clock: Timespec) -> Tm {
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let mut {sec, nsec} = clock;
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let mut tm = empty_tm();
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rustrt::rust_gmtime(sec, nsec, tm);
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tm
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}
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/// Returns the current time in UTC
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fn now_utc() -> Tm {
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at_utc(get_time())
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}
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/// Returns the specified time in the local timezone
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fn at(clock: Timespec) -> Tm {
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let mut {sec, nsec} = clock;
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let mut tm = empty_tm();
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rustrt::rust_localtime(sec, nsec, tm);
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tm
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}
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/// Returns the current time in the local timezone
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fn now() -> Tm {
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at(get_time())
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}
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/// Parses the time from the string according to the format string.
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fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
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type TmMut = {
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mut tm_sec: i32,
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mut tm_min: i32,
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mut tm_hour: i32,
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mut tm_mday: i32,
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mut tm_mon: i32,
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mut tm_year: i32,
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mut tm_wday: i32,
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mut tm_yday: i32,
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mut tm_isdst: i32,
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mut tm_gmtoff: i32,
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mut tm_zone: ~str,
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mut tm_nsec: i32,
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};
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fn match_str(s: &str, pos: uint, needle: &str) -> bool {
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let mut i = pos;
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for str::each(needle) |ch| {
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if s[i] != ch {
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return false;
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}
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i += 1u;
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}
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return true;
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}
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fn match_strs(ss: &str, pos: uint, strs: &[(~str, i32)])
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-> Option<(i32, uint)> {
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let mut i = 0u;
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let len = vec::len(strs);
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while i < len {
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let (needle, value) = strs[i];
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if match_str(ss, pos, needle) {
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return Some((value, pos + str::len(needle)));
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}
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i += 1u;
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}
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None
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}
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fn match_digits(ss: &str, pos: uint, digits: uint, ws: bool)
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-> Option<(i32, uint)> {
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let mut pos = pos;
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let mut value = 0_i32;
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let mut i = 0u;
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while i < digits {
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let {ch, next} = str::char_range_at(str::from_slice(ss), pos);
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pos = next;
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match ch {
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'0' .. '9' => {
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value = value * 10_i32 + (ch as i32 - '0' as i32);
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}
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' ' if ws => (),
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_ => return None
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}
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i += 1u;
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}
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Some((value, pos))
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}
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fn parse_char(s: &str, pos: uint, c: char) -> Result<uint, ~str> {
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let {ch, next} = str::char_range_at(s, pos);
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if c == ch {
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Ok(next)
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} else {
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Err(fmt!("Expected %?, found %?",
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str::from_char(c),
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str::from_char(ch)))
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}
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}
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fn parse_type(s: &str, pos: uint, ch: char, tm: &TmMut)
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-> Result<uint, ~str> {
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match ch {
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'A' => match match_strs(s, pos, ~[
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(~"Sunday", 0_i32),
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(~"Monday", 1_i32),
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(~"Tuesday", 2_i32),
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(~"Wednesday", 3_i32),
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(~"Thursday", 4_i32),
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(~"Friday", 5_i32),
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(~"Saturday", 6_i32)
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]) {
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Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
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None => Err(~"Invalid day")
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},
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'a' => match match_strs(s, pos, ~[
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(~"Sun", 0_i32),
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(~"Mon", 1_i32),
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(~"Tue", 2_i32),
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(~"Wed", 3_i32),
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(~"Thu", 4_i32),
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(~"Fri", 5_i32),
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(~"Sat", 6_i32)
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]) {
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Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
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None => Err(~"Invalid day")
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},
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'B' => match match_strs(s, pos, ~[
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(~"January", 0_i32),
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(~"February", 1_i32),
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(~"March", 2_i32),
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(~"April", 3_i32),
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(~"May", 4_i32),
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(~"June", 5_i32),
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(~"July", 6_i32),
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(~"August", 7_i32),
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(~"September", 8_i32),
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(~"October", 9_i32),
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(~"November", 10_i32),
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(~"December", 11_i32)
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]) {
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Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
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None => Err(~"Invalid month")
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},
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'b' | 'h' => match match_strs(s, pos, ~[
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(~"Jan", 0_i32),
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(~"Feb", 1_i32),
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(~"Mar", 2_i32),
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(~"Apr", 3_i32),
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(~"May", 4_i32),
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(~"Jun", 5_i32),
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(~"Jul", 6_i32),
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(~"Aug", 7_i32),
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(~"Sep", 8_i32),
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(~"Oct", 9_i32),
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(~"Nov", 10_i32),
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(~"Dec", 11_i32)
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]) {
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Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
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None => Err(~"Invalid month")
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},
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'C' => match match_digits(s, pos, 2u, false) {
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Some(item) => {
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let (v, pos) = item;
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tm.tm_year += (v * 100_i32) - 1900_i32;
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Ok(pos)
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}
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None => Err(~"Invalid year")
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},
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'c' => {
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parse_type(s, pos, 'a', tm)
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'b', tm))
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'e', tm))
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'T', tm))
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'Y', tm))
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}
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'D' | 'x' => {
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parse_type(s, pos, 'm', tm)
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.chain(|pos| parse_char(s, pos, '/'))
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.chain(|pos| parse_type(s, pos, 'd', tm))
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.chain(|pos| parse_char(s, pos, '/'))
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.chain(|pos| parse_type(s, pos, 'y', tm))
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}
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'd' => match match_digits(s, pos, 2u, false) {
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Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
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None => Err(~"Invalid day of the month")
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},
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'e' => match match_digits(s, pos, 2u, true) {
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Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
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None => Err(~"Invalid day of the month")
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},
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'F' => {
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parse_type(s, pos, 'Y', tm)
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.chain(|pos| parse_char(s, pos, '-'))
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.chain(|pos| parse_type(s, pos, 'm', tm))
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.chain(|pos| parse_char(s, pos, '-'))
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.chain(|pos| parse_type(s, pos, 'd', tm))
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}
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'H' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 2u, false) {
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Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
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None => Err(~"Invalid hour")
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}
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}
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'I' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 2u, false) {
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Some(item) => {
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let (v, pos) = item;
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tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
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Ok(pos)
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}
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None => Err(~"Invalid hour")
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}
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}
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'j' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 3u, false) {
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Some(item) => {
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let (v, pos) = item;
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tm.tm_yday = v - 1_i32;
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Ok(pos)
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}
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None => Err(~"Invalid year")
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}
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}
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'k' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 2u, true) {
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Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
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None => Err(~"Invalid hour")
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}
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}
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'l' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 2u, true) {
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Some(item) => {
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let (v, pos) = item;
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tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
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Ok(pos)
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}
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None => Err(~"Invalid hour")
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}
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}
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'M' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 2u, false) {
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Some(item) => { let (v, pos) = item; tm.tm_min = v; Ok(pos) }
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None => Err(~"Invalid minute")
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}
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}
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'm' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 2u, false) {
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Some(item) => {
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let (v, pos) = item;
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tm.tm_mon = v - 1_i32;
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Ok(pos)
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}
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None => Err(~"Invalid month")
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}
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}
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'n' => parse_char(s, pos, '\n'),
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'P' => match match_strs(s, pos,
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~[(~"am", 0_i32), (~"pm", 12_i32)]) {
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Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
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None => Err(~"Invalid hour")
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},
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'p' => match match_strs(s, pos,
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~[(~"AM", 0_i32), (~"PM", 12_i32)]) {
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Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
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None => Err(~"Invalid hour")
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},
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'R' => {
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parse_type(s, pos, 'H', tm)
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.chain(|pos| parse_char(s, pos, ':'))
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.chain(|pos| parse_type(s, pos, 'M', tm))
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}
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'r' => {
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parse_type(s, pos, 'I', tm)
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.chain(|pos| parse_char(s, pos, ':'))
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.chain(|pos| parse_type(s, pos, 'M', tm))
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.chain(|pos| parse_char(s, pos, ':'))
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.chain(|pos| parse_type(s, pos, 'S', tm))
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'p', tm))
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}
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'S' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 2u, false) {
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Some(item) => {
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let (v, pos) = item;
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tm.tm_sec = v;
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Ok(pos)
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}
|
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None => Err(~"Invalid second")
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|
}
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}
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|
//'s' {}
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'T' | 'X' => {
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parse_type(s, pos, 'H', tm)
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.chain(|pos| parse_char(s, pos, ':'))
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.chain(|pos| parse_type(s, pos, 'M', tm))
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.chain(|pos| parse_char(s, pos, ':'))
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.chain(|pos| parse_type(s, pos, 'S', tm))
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}
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't' => parse_char(s, pos, '\t'),
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'u' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 1u, false) {
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Some(item) => {
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let (v, pos) = item;
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tm.tm_wday = v;
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Ok(pos)
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}
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None => Err(~"Invalid weekday")
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}
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}
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'v' => {
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parse_type(s, pos, 'e', tm)
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.chain(|pos| parse_char(s, pos, '-'))
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.chain(|pos| parse_type(s, pos, 'b', tm))
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.chain(|pos| parse_char(s, pos, '-'))
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.chain(|pos| parse_type(s, pos, 'Y', tm))
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}
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//'W' {}
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'w' => {
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// FIXME (#2350): range check.
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match match_digits(s, pos, 1u, false) {
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Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
|
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None => Err(~"Invalid weekday")
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}
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}
|
|
//'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 {
|
|
|
|
#[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";
|
|
}
|
|
}
|