1274 lines
39 KiB
Rust
1274 lines
39 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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static NSEC_PER_SEC: i32 = 1_000_000_000_i32;
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pub mod rustrt {
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use super::Tm;
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#[abi = "cdecl"]
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pub extern {
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pub unsafe fn get_time(sec: &mut i64, nsec: &mut i32);
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pub unsafe fn precise_time_ns(ns: &mut u64);
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pub unsafe fn rust_tzset();
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// FIXME: The i64 values can be passed by-val when #2064 is fixed.
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pub unsafe fn rust_gmtime(sec: i64, nsec: i32, result: &mut Tm);
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pub unsafe fn rust_localtime(sec: i64, nsec: i32, result: &mut Tm);
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pub unsafe fn rust_timegm(tm: &Tm, sec: &mut i64);
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pub unsafe fn rust_mktime(tm: &Tm, sec: &mut i64);
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}
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}
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/// A record specifying a time value in seconds and nanoseconds.
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#[auto_encode]
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#[auto_decode]
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#[deriving(Eq)]
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pub struct Timespec { sec: i64, nsec: i32 }
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/*
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* Timespec assumes that pre-epoch Timespecs have negative sec and positive
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* nsec fields. Darwin's and Linux's struct timespec functions handle pre-
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* epoch timestamps using a "two steps back, one step forward" representation,
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* though the man pages do not actually document this. For example, the time
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* -1.2 seconds before the epoch is represented by `Timespec { sec: -2_i64,
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* nsec: 800_000_000_i32 }`.
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*/
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pub impl Timespec {
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fn new(sec: i64, nsec: i32) -> Timespec {
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assert!(nsec >= 0 && nsec < NSEC_PER_SEC);
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Timespec { sec: sec, nsec: nsec }
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}
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}
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impl Ord for Timespec {
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fn lt(&self, other: &Timespec) -> bool {
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self.sec < other.sec ||
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(self.sec == other.sec && self.nsec < other.nsec)
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}
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fn le(&self, other: &Timespec) -> bool { !other.lt(self) }
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fn ge(&self, other: &Timespec) -> bool { !self.lt(other) }
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fn gt(&self, other: &Timespec) -> bool { !self.le(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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pub fn get_time() -> Timespec {
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unsafe {
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let mut sec = 0i64;
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let mut nsec = 0i32;
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rustrt::get_time(&mut sec, &mut nsec);
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return Timespec::new(sec, nsec);
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}
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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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pub fn precise_time_ns() -> u64 {
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unsafe {
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let mut ns = 0u64;
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rustrt::precise_time_ns(&mut ns);
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ns
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}
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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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pub fn precise_time_s() -> float {
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return (precise_time_ns() as float) / 1000000000.;
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}
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pub fn tzset() {
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unsafe {
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rustrt::rust_tzset();
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}
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}
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#[auto_encode]
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#[auto_decode]
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#[deriving(Eq)]
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pub struct 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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pub 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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pub fn at_utc(clock: Timespec) -> Tm {
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unsafe {
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let Timespec { sec, nsec } = clock;
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let mut tm = empty_tm();
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rustrt::rust_gmtime(sec, nsec, &mut tm);
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tm
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}
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}
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/// Returns the current time in UTC
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pub 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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pub fn at(clock: Timespec) -> Tm {
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unsafe {
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let Timespec { sec, nsec } = clock;
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let mut tm = empty_tm();
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rustrt::rust_localtime(sec, nsec, &mut tm);
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tm
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}
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}
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/// Returns the current time in the local timezone
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pub 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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pub fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
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do_strptime(s, format)
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}
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/// Formats the time according to the format string.
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pub fn strftime(format: &str, tm: &Tm) -> ~str {
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do_strftime(format, tm)
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}
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pub impl Tm {
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/// Convert time to the seconds from January 1, 1970
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fn to_timespec(&self) -> Timespec {
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unsafe {
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let mut sec = 0i64;
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if self.tm_gmtoff == 0_i32 {
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rustrt::rust_timegm(self, &mut sec);
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} else {
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rustrt::rust_mktime(self, &mut sec);
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}
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Timespec::new(sec, self.tm_nsec)
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}
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}
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/// Convert time to the local timezone
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fn to_local(&self) -> Tm {
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at(self.to_timespec())
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}
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/// Convert time to the UTC
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fn to_utc(&self) -> Tm {
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at_utc(self.to_timespec())
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}
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/**
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* Return a string of the current time in the form
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* "Thu Jan 1 00:00:00 1970".
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*/
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fn ctime(&self) -> ~str { self.strftime(~"%c") }
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/// Formats the time according to the format string.
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fn strftime(&self, format: &str) -> ~str {
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strftime(format, self)
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}
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/**
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* Returns a time string formatted according to RFC 822.
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*
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* local: "Thu, 22 Mar 2012 07:53:18 PST"
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* utc: "Thu, 22 Mar 2012 14:53:18 UTC"
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*/
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fn rfc822(&self) -> ~str {
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if self.tm_gmtoff == 0_i32 {
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self.strftime(~"%a, %d %b %Y %T GMT")
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} else {
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self.strftime(~"%a, %d %b %Y %T %Z")
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}
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}
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/**
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* Returns a time string formatted according to RFC 822 with Zulu time.
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*
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* local: "Thu, 22 Mar 2012 07:53:18 -0700"
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* utc: "Thu, 22 Mar 2012 14:53:18 -0000"
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*/
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fn rfc822z(&self) -> ~str {
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self.strftime(~"%a, %d %b %Y %T %z")
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}
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/**
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* Returns a time string formatted according to ISO 8601.
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*
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* local: "2012-02-22T07:53:18-07:00"
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* utc: "2012-02-22T14:53:18Z"
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*/
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fn rfc3339(&self) -> ~str {
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if self.tm_gmtoff == 0_i32 {
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self.strftime(~"%Y-%m-%dT%H:%M:%SZ")
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} else {
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let s = self.strftime(~"%Y-%m-%dT%H:%M:%S");
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let sign = if self.tm_gmtoff > 0_i32 { '+' } else { '-' };
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let mut m = i32::abs(self.tm_gmtoff) / 60_i32;
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let h = m / 60_i32;
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m -= h * 60_i32;
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s + fmt!("%c%02d:%02d", sign, h as int, m as int)
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}
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}
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}
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priv fn do_strptime(s: &str, format: &str) -> Result<Tm, ~str> {
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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 = strs.len();
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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 range = str::char_range_at(str::from_slice(ss), pos);
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pos = range.next;
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match range.ch {
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'0' .. '9' => {
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value = value * 10_i32 + (range.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 match_digits_in_range(ss: &str, pos: uint, digits: uint, ws: bool,
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min: i32, max: i32) -> Option<(i32, uint)> {
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match match_digits(ss, pos, digits, ws) {
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Some((val, pos)) if val >= min && val <= max => {
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Some((val, pos))
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}
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_ => None
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}
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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 range = str::char_range_at(s, pos);
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if c == range.ch {
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Ok(range.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(range.ch)))
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}
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}
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fn parse_type(s: &str, pos: uint, ch: char, tm: &mut Tm)
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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_in_range(s, pos, 2u, false, 0_i32,
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99_i32) {
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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', &mut *tm)
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'b', &mut *tm))
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'e', &mut *tm))
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'T', &mut *tm))
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.chain(|pos| parse_char(s, pos, ' '))
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.chain(|pos| parse_type(s, pos, 'Y', &mut *tm))
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}
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'D' | 'x' => {
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parse_type(s, pos, 'm', &mut *tm)
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.chain(|pos| parse_char(s, pos, '/'))
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.chain(|pos| parse_type(s, pos, 'd', &mut *tm))
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.chain(|pos| parse_char(s, pos, '/'))
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.chain(|pos| parse_type(s, pos, 'y', &mut *tm))
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}
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'd' => match match_digits_in_range(s, pos, 2u, false, 1_i32,
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31_i32) {
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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_in_range(s, pos, 2u, true, 1_i32,
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31_i32) {
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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', &mut *tm)
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.chain(|pos| parse_char(s, pos, '-'))
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.chain(|pos| parse_type(s, pos, 'm', &mut *tm))
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.chain(|pos| parse_char(s, pos, '-'))
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.chain(|pos| parse_type(s, pos, 'd', &mut *tm))
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}
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'H' => {
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match match_digits_in_range(s, pos, 2u, false, 0_i32, 23_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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}
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'I' => {
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match match_digits_in_range(s, pos, 2u, false, 1_i32, 12_i32) {
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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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match match_digits_in_range(s, pos, 3u, false, 1_i32, 366_i32) {
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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 day of year")
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}
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}
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'k' => {
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match match_digits_in_range(s, pos, 2u, true, 0_i32, 23_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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}
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'l' => {
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match match_digits_in_range(s, pos, 2u, true, 1_i32, 12_i32) {
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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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match match_digits_in_range(s, pos, 2u, false, 0_i32, 59_i32) {
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|
Some(item) => { let (v, pos) = item; tm.tm_min = v; Ok(pos) }
|
|
None => Err(~"Invalid minute")
|
|
}
|
|
}
|
|
'm' => {
|
|
match match_digits_in_range(s, pos, 2u, false, 1_i32, 12_i32) {
|
|
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', &mut *tm)
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'M', &mut *tm))
|
|
}
|
|
'r' => {
|
|
parse_type(s, pos, 'I', &mut *tm)
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'M', &mut *tm))
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'S', &mut *tm))
|
|
.chain(|pos| parse_char(s, pos, ' '))
|
|
.chain(|pos| parse_type(s, pos, 'p', &mut *tm))
|
|
}
|
|
'S' => {
|
|
match match_digits_in_range(s, pos, 2u, false, 0_i32, 60_i32) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_sec = v;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid second")
|
|
}
|
|
}
|
|
//'s' {}
|
|
'T' | 'X' => {
|
|
parse_type(s, pos, 'H', &mut *tm)
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'M', &mut *tm))
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'S', &mut *tm))
|
|
}
|
|
't' => parse_char(s, pos, '\t'),
|
|
'u' => {
|
|
match match_digits_in_range(s, pos, 1u, false, 1_i32, 7_i32) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_wday = if v == 7 { 0 } else { v };
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid day of week")
|
|
}
|
|
}
|
|
'v' => {
|
|
parse_type(s, pos, 'e', &mut *tm)
|
|
.chain(|pos| parse_char(s, pos, '-'))
|
|
.chain(|pos| parse_type(s, pos, 'b', &mut *tm))
|
|
.chain(|pos| parse_char(s, pos, '-'))
|
|
.chain(|pos| parse_type(s, pos, 'Y', &mut *tm))
|
|
}
|
|
//'W' {}
|
|
'w' => {
|
|
match match_digits_in_range(s, pos, 1u, false, 0_i32, 6_i32) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
|
|
None => Err(~"Invalid day of week")
|
|
}
|
|
}
|
|
//'X' {}
|
|
//'x' {}
|
|
'Y' => {
|
|
match match_digits(s, pos, 4u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_year = v - 1900_i32;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid year")
|
|
}
|
|
}
|
|
'y' => {
|
|
match match_digits_in_range(s, pos, 2u, false, 0_i32, 99_i32) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_year = v;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid year")
|
|
}
|
|
}
|
|
'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 range = str::char_range_at(s, pos);
|
|
pos = range.next;
|
|
if range.ch == ' ' { break; }
|
|
}
|
|
|
|
Ok(pos)
|
|
}
|
|
}
|
|
'z' => {
|
|
let range = str::char_range_at(s, pos);
|
|
|
|
if range.ch == '+' || range.ch == '-' {
|
|
match match_digits(s, range.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 mut 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,
|
|
};
|
|
let mut pos = 0u;
|
|
let len = str::len(s);
|
|
let mut result = Err(~"Invalid time");
|
|
|
|
while !rdr.eof() && pos < len {
|
|
let range = str::char_range_at(s, pos);
|
|
let ch = range.ch;
|
|
let next = range.next;
|
|
|
|
match rdr.read_char() {
|
|
'%' => {
|
|
match parse_type(s, pos, rdr.read_char(), &mut 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: copy tm.tm_zone,
|
|
tm_nsec: tm.tm_nsec,
|
|
})
|
|
} else { result }
|
|
}
|
|
}
|
|
|
|
priv fn do_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::to_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::to_str(tm.tm_wday as int),
|
|
//'X' {}
|
|
//'x' {}
|
|
'Y' => int::to_str(tm.tm_year as int + 1900),
|
|
'y' => fmt!("%02d", (tm.tm_year as int + 1900) % 100),
|
|
'Z' => copy 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(&mut buf, ch)
|
|
}
|
|
}
|
|
}
|
|
|
|
buf
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use time::*;
|
|
|
|
use core::float;
|
|
use core::os;
|
|
use core::result;
|
|
use core::result::{Err, Ok};
|
|
use core::str;
|
|
use core::vec;
|
|
|
|
fn test_get_time() {
|
|
static some_recent_date: i64 = 1325376000i64; // 2012-01-01T00:00:00Z
|
|
static some_future_date: i64 = 1577836800i64; // 2020-01-01T00:00:00Z
|
|
|
|
let tv1 = get_time();
|
|
debug!("tv1=%? sec + %? nsec", tv1.sec as uint, tv1.nsec as uint);
|
|
|
|
assert!(tv1.sec > some_recent_date);
|
|
assert!(tv1.nsec < 1000000000i32);
|
|
|
|
let tv2 = get_time();
|
|
debug!("tv2=%? sec + %? nsec", tv2.sec as uint, tv2.nsec as uint);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
fn test_precise_time() {
|
|
let s0 = precise_time_s();
|
|
let ns1 = precise_time_ns();
|
|
|
|
debug!("s0=%s sec", float::to_str_digits(s0, 9u));
|
|
assert!(s0 > 0.);
|
|
let ns0 = (s0 * 1000000000.) as u64;
|
|
debug!("ns0=%? ns", ns0);
|
|
|
|
debug!("ns1=%? ns", ns0);
|
|
assert!(ns1 >= ns0);
|
|
|
|
let ns2 = precise_time_ns();
|
|
debug!("ns2=%? ns", ns0);
|
|
assert!(ns2 >= ns1);
|
|
}
|
|
|
|
fn test_at_utc() {
|
|
os::setenv(~"TZ", ~"America/Los_Angeles");
|
|
tzset();
|
|
|
|
let time = ::time::Timespec::new(1234567890, 54321);
|
|
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);
|
|
}
|
|
|
|
fn test_at() {
|
|
os::setenv(~"TZ", ~"America/Los_Angeles");
|
|
tzset();
|
|
|
|
let time = ::time::Timespec::new(1234567890, 54321);
|
|
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);
|
|
}
|
|
|
|
fn test_to_timespec() {
|
|
os::setenv(~"TZ", ~"America/Los_Angeles");
|
|
tzset();
|
|
|
|
let time = ::time::Timespec::new(1234567890, 54321);
|
|
let utc = at_utc(time);
|
|
|
|
assert!(utc.to_timespec() == time);
|
|
assert!(utc.to_local().to_timespec() == time);
|
|
}
|
|
|
|
fn test_conversions() {
|
|
os::setenv(~"TZ", ~"America/Los_Angeles");
|
|
tzset();
|
|
|
|
let time = ::time::Timespec::new(1234567890, 54321);
|
|
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);
|
|
}
|
|
|
|
fn test_strptime() {
|
|
os::setenv(~"TZ", ~"America/Los_Angeles");
|
|
tzset();
|
|
|
|
match strptime(~"", ~"") {
|
|
Ok(ref 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(copy e) => fail!(e),
|
|
Ok(ref 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(ref tm) => tm.strftime(format) == str::from_slice(s),
|
|
Err(copy e) => fail!(e)
|
|
}
|
|
}
|
|
|
|
for vec::each([
|
|
~"Sunday",
|
|
~"Monday",
|
|
~"Tuesday",
|
|
~"Wednesday",
|
|
~"Thursday",
|
|
~"Friday",
|
|
~"Saturday"
|
|
]) |day| {
|
|
assert!(test(*day, ~"%A"));
|
|
}
|
|
|
|
for vec::each([
|
|
~"Sun",
|
|
~"Mon",
|
|
~"Tue",
|
|
~"Wed",
|
|
~"Thu",
|
|
~"Fri",
|
|
~"Sat"
|
|
]) |day| {
|
|
assert!(test(*day, ~"%a"));
|
|
}
|
|
|
|
for vec::each([
|
|
~"January",
|
|
~"February",
|
|
~"March",
|
|
~"April",
|
|
~"May",
|
|
~"June",
|
|
~"July",
|
|
~"August",
|
|
~"September",
|
|
~"October",
|
|
~"November",
|
|
~"December"
|
|
]) |day| {
|
|
assert!(test(*day, ~"%B"));
|
|
}
|
|
|
|
for vec::each([
|
|
~"Jan",
|
|
~"Feb",
|
|
~"Mar",
|
|
~"Apr",
|
|
~"May",
|
|
~"Jun",
|
|
~"Jul",
|
|
~"Aug",
|
|
~"Sep",
|
|
~"Oct",
|
|
~"Nov",
|
|
~"Dec"
|
|
]) |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!(result::unwrap(strptime(~"UTC", ~"%Z")).tm_zone ==
|
|
~"UTC");
|
|
assert!(result::unwrap(strptime(~"PST", ~"%Z")).tm_zone ==
|
|
~"");
|
|
assert!(result::unwrap(strptime(~"-0000", ~"%z")).tm_gmtoff ==
|
|
0);
|
|
assert!(result::unwrap(strptime(~"-0800", ~"%z")).tm_gmtoff ==
|
|
0);
|
|
assert!(test(~"%", ~"%%"));
|
|
}
|
|
|
|
fn test_ctime() {
|
|
os::setenv(~"TZ", ~"America/Los_Angeles");
|
|
tzset();
|
|
|
|
let time = ::time::Timespec::new(1234567890, 54321);
|
|
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");
|
|
}
|
|
|
|
fn test_strftime() {
|
|
os::setenv(~"TZ", ~"America/Los_Angeles");
|
|
tzset();
|
|
|
|
let time = ::time::Timespec::new(1234567890, 54321);
|
|
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");
|
|
}
|
|
|
|
fn test_timespec_eq_ord() {
|
|
use core::cmp::{eq, ge, gt, le, lt, ne};
|
|
|
|
let a = &Timespec::new(-2, 1);
|
|
let b = &Timespec::new(-1, 2);
|
|
let c = &Timespec::new(1, 2);
|
|
let d = &Timespec::new(2, 1);
|
|
let e = &Timespec::new(2, 1);
|
|
|
|
assert!(eq(d, e));
|
|
assert!(ne(c, e));
|
|
|
|
assert!(lt(a, b));
|
|
assert!(lt(b, c));
|
|
assert!(lt(c, d));
|
|
|
|
assert!(le(a, b));
|
|
assert!(le(b, c));
|
|
assert!(le(c, d));
|
|
assert!(le(d, e));
|
|
assert!(le(e, d));
|
|
|
|
assert!(ge(b, a));
|
|
assert!(ge(c, b));
|
|
assert!(ge(d, c));
|
|
assert!(ge(e, d));
|
|
assert!(ge(d, e));
|
|
|
|
assert!(gt(b, a));
|
|
assert!(gt(c, b));
|
|
assert!(gt(d, c));
|
|
}
|
|
|
|
#[test]
|
|
fn run_tests() {
|
|
// The tests race on tzset. So instead of having many independent
|
|
// tests, we will just call the functions now.
|
|
test_get_time();
|
|
test_precise_time();
|
|
test_at_utc();
|
|
test_at();
|
|
test_to_timespec();
|
|
test_conversions();
|
|
test_strptime();
|
|
test_ctime();
|
|
test_strftime();
|
|
test_timespec_eq_ord();
|
|
}
|
|
}
|