1205 lines
37 KiB
Rust
1205 lines
37 KiB
Rust
#[forbid(deprecated_mode)];
|
|
|
|
use core::cmp::Eq;
|
|
use libc::{c_char, c_int, c_long, size_t, time_t};
|
|
use io::{Reader, ReaderUtil};
|
|
use result::{Result, Ok, Err};
|
|
|
|
#[abi = "cdecl"]
|
|
extern mod rustrt {
|
|
#[legacy_exports]
|
|
fn get_time(sec: &mut i64, nsec: &mut i32);
|
|
|
|
fn precise_time_ns(ns: &mut u64);
|
|
|
|
fn rust_tzset();
|
|
// FIXME: The i64 values can be passed by-val when #2064 is fixed.
|
|
fn rust_gmtime(&&sec: i64, &&nsec: i32, &&result: Tm);
|
|
fn rust_localtime(&&sec: i64, &&nsec: i32, &&result: Tm);
|
|
fn rust_timegm(&&tm: Tm, sec: &mut i64);
|
|
fn rust_mktime(&&tm: Tm, sec: &mut i64);
|
|
}
|
|
|
|
/// A record specifying a time value in seconds and nanoseconds.
|
|
pub type Timespec = {sec: i64, nsec: i32};
|
|
|
|
impl Timespec : Eq {
|
|
pure fn eq(&self, other: &Timespec) -> bool {
|
|
(*self).sec == (*other).sec && (*self).nsec == (*other).nsec
|
|
}
|
|
pure fn ne(&self, other: &Timespec) -> bool { !(*self).eq(other) }
|
|
}
|
|
|
|
/**
|
|
* Returns the current time as a `timespec` containing the seconds and
|
|
* nanoseconds since 1970-01-01T00:00:00Z.
|
|
*/
|
|
pub fn get_time() -> Timespec {
|
|
let mut sec = 0i64;
|
|
let mut nsec = 0i32;
|
|
rustrt::get_time(&mut sec, &mut nsec);
|
|
return {sec: sec, nsec: nsec};
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the current value of a high-resolution performance counter
|
|
* in nanoseconds since an unspecified epoch.
|
|
*/
|
|
pub fn precise_time_ns() -> u64 {
|
|
let mut ns = 0u64;
|
|
rustrt::precise_time_ns(&mut ns);
|
|
ns
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns the current value of a high-resolution performance counter
|
|
* in seconds since an unspecified epoch.
|
|
*/
|
|
pub fn precise_time_s() -> float {
|
|
return (precise_time_ns() as float) / 1000000000.;
|
|
}
|
|
|
|
pub fn tzset() {
|
|
rustrt::rust_tzset();
|
|
}
|
|
|
|
type Tm_ = {
|
|
tm_sec: i32, // seconds after the minute ~[0-60]
|
|
tm_min: i32, // minutes after the hour ~[0-59]
|
|
tm_hour: i32, // hours after midnight ~[0-23]
|
|
tm_mday: i32, // days of the month ~[1-31]
|
|
tm_mon: i32, // months since January ~[0-11]
|
|
tm_year: i32, // years since 1900
|
|
tm_wday: i32, // days since Sunday ~[0-6]
|
|
tm_yday: i32, // days since January 1 ~[0-365]
|
|
tm_isdst: i32, // Daylight Savings Time flag
|
|
tm_gmtoff: i32, // offset from UTC in seconds
|
|
tm_zone: ~str, // timezone abbreviation
|
|
tm_nsec: i32, // nanoseconds
|
|
};
|
|
|
|
impl Tm_ : Eq {
|
|
pure fn eq(&self, other: &Tm_) -> bool {
|
|
(*self).tm_sec == (*other).tm_sec &&
|
|
(*self).tm_min == (*other).tm_min &&
|
|
(*self).tm_hour == (*other).tm_hour &&
|
|
(*self).tm_mday == (*other).tm_mday &&
|
|
(*self).tm_mon == (*other).tm_mon &&
|
|
(*self).tm_year == (*other).tm_year &&
|
|
(*self).tm_wday == (*other).tm_wday &&
|
|
(*self).tm_yday == (*other).tm_yday &&
|
|
(*self).tm_isdst == (*other).tm_isdst &&
|
|
(*self).tm_gmtoff == (*other).tm_gmtoff &&
|
|
(*self).tm_zone == (*other).tm_zone &&
|
|
(*self).tm_nsec == (*other).tm_nsec
|
|
}
|
|
pure fn ne(&self, other: &Tm_) -> bool { !(*self).eq(other) }
|
|
}
|
|
|
|
pub enum Tm {
|
|
Tm_(Tm_)
|
|
}
|
|
|
|
impl Tm : Eq {
|
|
pure fn eq(&self, other: &Tm) -> bool { *(*self) == *(*other) }
|
|
pure fn ne(&self, other: &Tm) -> bool { *(*self) != *(*other) }
|
|
}
|
|
|
|
pub pure fn empty_tm() -> Tm {
|
|
Tm_({
|
|
tm_sec: 0_i32,
|
|
tm_min: 0_i32,
|
|
tm_hour: 0_i32,
|
|
tm_mday: 0_i32,
|
|
tm_mon: 0_i32,
|
|
tm_year: 0_i32,
|
|
tm_wday: 0_i32,
|
|
tm_yday: 0_i32,
|
|
tm_isdst: 0_i32,
|
|
tm_gmtoff: 0_i32,
|
|
tm_zone: ~"",
|
|
tm_nsec: 0_i32,
|
|
})
|
|
}
|
|
|
|
/// Returns the specified time in UTC
|
|
pub fn at_utc(clock: Timespec) -> Tm {
|
|
let mut {sec, nsec} = clock;
|
|
let mut tm = empty_tm();
|
|
rustrt::rust_gmtime(sec, nsec, tm);
|
|
tm
|
|
}
|
|
|
|
/// Returns the current time in UTC
|
|
pub fn now_utc() -> Tm {
|
|
at_utc(get_time())
|
|
}
|
|
|
|
/// Returns the specified time in the local timezone
|
|
pub fn at(clock: Timespec) -> Tm {
|
|
let mut {sec, nsec} = clock;
|
|
let mut tm = empty_tm();
|
|
rustrt::rust_localtime(sec, nsec, tm);
|
|
tm
|
|
}
|
|
|
|
/// Returns the current time in the local timezone
|
|
pub fn now() -> Tm {
|
|
at(get_time())
|
|
}
|
|
|
|
/// Parses the time from the string according to the format string.
|
|
pub pure fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
|
|
// unsafe only because do_strptime is annoying to make pure
|
|
// (it does IO with a str_reader)
|
|
unsafe {do_strptime(s, format)}
|
|
}
|
|
|
|
/// Formats the time according to the format string.
|
|
pub pure fn strftime(format: &str, tm: Tm) -> ~str {
|
|
// unsafe only because do_strftime is annoying to make pure
|
|
// (it does IO with a str_reader)
|
|
unsafe {do_strftime(format, tm)}
|
|
}
|
|
|
|
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, &mut sec);
|
|
} else {
|
|
rustrt::rust_mktime(self, &mut 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".
|
|
*/
|
|
pure fn ctime() -> ~str { self.strftime(~"%c") }
|
|
|
|
/// Formats the time according to the format string.
|
|
pure 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"
|
|
*/
|
|
pure 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"
|
|
*/
|
|
pure 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"
|
|
*/
|
|
pure 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)
|
|
}
|
|
}
|
|
}
|
|
|
|
priv fn do_strptime(s: &str, format: &str) -> Result<Tm, ~str> {
|
|
fn match_str(s: &str, pos: uint, needle: &str) -> bool {
|
|
let mut i = pos;
|
|
for str::each(needle) |ch| {
|
|
if s[i] != ch {
|
|
return false;
|
|
}
|
|
i += 1u;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
fn match_strs(ss: &str, pos: uint, strs: &[(~str, i32)])
|
|
-> Option<(i32, uint)> {
|
|
let mut i = 0u;
|
|
let len = vec::len(strs);
|
|
while i < len {
|
|
let (needle, value) = strs[i];
|
|
|
|
if match_str(ss, pos, needle) {
|
|
return Some((value, pos + str::len(needle)));
|
|
}
|
|
i += 1u;
|
|
}
|
|
|
|
None
|
|
}
|
|
|
|
fn match_digits(ss: &str, pos: uint, digits: uint, ws: bool)
|
|
-> Option<(i32, uint)> {
|
|
let mut pos = pos;
|
|
let mut value = 0_i32;
|
|
|
|
let mut i = 0u;
|
|
while i < digits {
|
|
let {ch, next} = str::char_range_at(str::from_slice(ss), pos);
|
|
pos = next;
|
|
|
|
match ch {
|
|
'0' .. '9' => {
|
|
value = value * 10_i32 + (ch as i32 - '0' as i32);
|
|
}
|
|
' ' if ws => (),
|
|
_ => return None
|
|
}
|
|
i += 1u;
|
|
}
|
|
|
|
Some((value, pos))
|
|
}
|
|
|
|
fn parse_char(s: &str, pos: uint, c: char) -> Result<uint, ~str> {
|
|
let {ch, next} = str::char_range_at(s, pos);
|
|
|
|
if c == ch {
|
|
Ok(next)
|
|
} else {
|
|
Err(fmt!("Expected %?, found %?",
|
|
str::from_char(c),
|
|
str::from_char(ch)))
|
|
}
|
|
}
|
|
|
|
fn parse_type(s: &str, pos: uint, ch: char, tm: &mut Tm_)
|
|
-> Result<uint, ~str> {
|
|
match ch {
|
|
'A' => match match_strs(s, pos, ~[
|
|
(~"Sunday", 0_i32),
|
|
(~"Monday", 1_i32),
|
|
(~"Tuesday", 2_i32),
|
|
(~"Wednesday", 3_i32),
|
|
(~"Thursday", 4_i32),
|
|
(~"Friday", 5_i32),
|
|
(~"Saturday", 6_i32)
|
|
]) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
|
|
None => Err(~"Invalid day")
|
|
},
|
|
'a' => match match_strs(s, pos, ~[
|
|
(~"Sun", 0_i32),
|
|
(~"Mon", 1_i32),
|
|
(~"Tue", 2_i32),
|
|
(~"Wed", 3_i32),
|
|
(~"Thu", 4_i32),
|
|
(~"Fri", 5_i32),
|
|
(~"Sat", 6_i32)
|
|
]) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
|
|
None => Err(~"Invalid day")
|
|
},
|
|
'B' => match match_strs(s, pos, ~[
|
|
(~"January", 0_i32),
|
|
(~"February", 1_i32),
|
|
(~"March", 2_i32),
|
|
(~"April", 3_i32),
|
|
(~"May", 4_i32),
|
|
(~"June", 5_i32),
|
|
(~"July", 6_i32),
|
|
(~"August", 7_i32),
|
|
(~"September", 8_i32),
|
|
(~"October", 9_i32),
|
|
(~"November", 10_i32),
|
|
(~"December", 11_i32)
|
|
]) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
|
|
None => Err(~"Invalid month")
|
|
},
|
|
'b' | 'h' => match match_strs(s, pos, ~[
|
|
(~"Jan", 0_i32),
|
|
(~"Feb", 1_i32),
|
|
(~"Mar", 2_i32),
|
|
(~"Apr", 3_i32),
|
|
(~"May", 4_i32),
|
|
(~"Jun", 5_i32),
|
|
(~"Jul", 6_i32),
|
|
(~"Aug", 7_i32),
|
|
(~"Sep", 8_i32),
|
|
(~"Oct", 9_i32),
|
|
(~"Nov", 10_i32),
|
|
(~"Dec", 11_i32)
|
|
]) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_mon = v; Ok(pos) }
|
|
None => Err(~"Invalid month")
|
|
},
|
|
'C' => match match_digits(s, pos, 2u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_year += (v * 100_i32) - 1900_i32;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid year")
|
|
},
|
|
'c' => {
|
|
parse_type(s, pos, 'a', tm)
|
|
.chain(|pos| parse_char(s, pos, ' '))
|
|
.chain(|pos| parse_type(s, pos, 'b', tm))
|
|
.chain(|pos| parse_char(s, pos, ' '))
|
|
.chain(|pos| parse_type(s, pos, 'e', tm))
|
|
.chain(|pos| parse_char(s, pos, ' '))
|
|
.chain(|pos| parse_type(s, pos, 'T', tm))
|
|
.chain(|pos| parse_char(s, pos, ' '))
|
|
.chain(|pos| parse_type(s, pos, 'Y', tm))
|
|
}
|
|
'D' | 'x' => {
|
|
parse_type(s, pos, 'm', tm)
|
|
.chain(|pos| parse_char(s, pos, '/'))
|
|
.chain(|pos| parse_type(s, pos, 'd', tm))
|
|
.chain(|pos| parse_char(s, pos, '/'))
|
|
.chain(|pos| parse_type(s, pos, 'y', tm))
|
|
}
|
|
'd' => match match_digits(s, pos, 2u, false) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
|
|
None => Err(~"Invalid day of the month")
|
|
},
|
|
'e' => match match_digits(s, pos, 2u, true) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_mday = v; Ok(pos) }
|
|
None => Err(~"Invalid day of the month")
|
|
},
|
|
'F' => {
|
|
parse_type(s, pos, 'Y', tm)
|
|
.chain(|pos| parse_char(s, pos, '-'))
|
|
.chain(|pos| parse_type(s, pos, 'm', tm))
|
|
.chain(|pos| parse_char(s, pos, '-'))
|
|
.chain(|pos| parse_type(s, pos, 'd', tm))
|
|
}
|
|
'H' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, false) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
|
|
None => Err(~"Invalid hour")
|
|
}
|
|
}
|
|
'I' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid hour")
|
|
}
|
|
}
|
|
'j' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 3u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_yday = v - 1_i32;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid year")
|
|
}
|
|
}
|
|
'k' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, true) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_hour = v; Ok(pos) }
|
|
None => Err(~"Invalid hour")
|
|
}
|
|
}
|
|
'l' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, true) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_hour = if v == 12_i32 { 0_i32 } else { v };
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid hour")
|
|
}
|
|
}
|
|
'M' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, false) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_min = v; Ok(pos) }
|
|
None => Err(~"Invalid minute")
|
|
}
|
|
}
|
|
'm' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_mon = v - 1_i32;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid month")
|
|
}
|
|
}
|
|
'n' => parse_char(s, pos, '\n'),
|
|
'P' => match match_strs(s, pos,
|
|
~[(~"am", 0_i32), (~"pm", 12_i32)]) {
|
|
|
|
Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
|
|
None => Err(~"Invalid hour")
|
|
},
|
|
'p' => match match_strs(s, pos,
|
|
~[(~"AM", 0_i32), (~"PM", 12_i32)]) {
|
|
|
|
Some(item) => { let (v, pos) = item; tm.tm_hour += v; Ok(pos) }
|
|
None => Err(~"Invalid hour")
|
|
},
|
|
'R' => {
|
|
parse_type(s, pos, 'H', tm)
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'M', tm))
|
|
}
|
|
'r' => {
|
|
parse_type(s, pos, 'I', tm)
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'M', tm))
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'S', tm))
|
|
.chain(|pos| parse_char(s, pos, ' '))
|
|
.chain(|pos| parse_type(s, pos, 'p', tm))
|
|
}
|
|
'S' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_sec = v;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid second")
|
|
}
|
|
}
|
|
//'s' {}
|
|
'T' | 'X' => {
|
|
parse_type(s, pos, 'H', tm)
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'M', tm))
|
|
.chain(|pos| parse_char(s, pos, ':'))
|
|
.chain(|pos| parse_type(s, pos, 'S', tm))
|
|
}
|
|
't' => parse_char(s, pos, '\t'),
|
|
'u' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 1u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_wday = v;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid weekday")
|
|
}
|
|
}
|
|
'v' => {
|
|
parse_type(s, pos, 'e', tm)
|
|
.chain(|pos| parse_char(s, pos, '-'))
|
|
.chain(|pos| parse_type(s, pos, 'b', tm))
|
|
.chain(|pos| parse_char(s, pos, '-'))
|
|
.chain(|pos| parse_type(s, pos, 'Y', tm))
|
|
}
|
|
//'W' {}
|
|
'w' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 1u, false) {
|
|
Some(item) => { let (v, pos) = item; tm.tm_wday = v; Ok(pos) }
|
|
None => Err(~"Invalid weekday")
|
|
}
|
|
}
|
|
//'X' {}
|
|
//'x' {}
|
|
'Y' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 4u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_year = v - 1900_i32;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid weekday")
|
|
}
|
|
}
|
|
'y' => {
|
|
// FIXME (#2350): range check.
|
|
match match_digits(s, pos, 2u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
tm.tm_year = v - 1900_i32;
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid weekday")
|
|
}
|
|
}
|
|
'Z' => {
|
|
if match_str(s, pos, ~"UTC") || match_str(s, pos, ~"GMT") {
|
|
tm.tm_gmtoff = 0_i32;
|
|
tm.tm_zone = ~"UTC";
|
|
Ok(pos + 3u)
|
|
} else {
|
|
// It's odd, but to maintain compatibility with c's
|
|
// strptime we ignore the timezone.
|
|
let mut pos = pos;
|
|
let len = str::len(s);
|
|
while pos < len {
|
|
let {ch, next} = str::char_range_at(s, pos);
|
|
pos = next;
|
|
if ch == ' ' { break; }
|
|
}
|
|
|
|
Ok(pos)
|
|
}
|
|
}
|
|
'z' => {
|
|
let {ch, next} = str::char_range_at(s, pos);
|
|
|
|
if ch == '+' || ch == '-' {
|
|
match match_digits(s, next, 4u, false) {
|
|
Some(item) => {
|
|
let (v, pos) = item;
|
|
if v == 0_i32 {
|
|
tm.tm_gmtoff = 0_i32;
|
|
tm.tm_zone = ~"UTC";
|
|
}
|
|
|
|
Ok(pos)
|
|
}
|
|
None => Err(~"Invalid zone offset")
|
|
}
|
|
} else {
|
|
Err(~"Invalid zone offset")
|
|
}
|
|
}
|
|
'%' => parse_char(s, pos, '%'),
|
|
ch => {
|
|
Err(fmt!("unknown formatting type: %?", str::from_char(ch)))
|
|
}
|
|
}
|
|
}
|
|
|
|
do io::with_str_reader(str::from_slice(format)) |rdr| {
|
|
let mut 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 {ch, next} = str::char_range_at(s, pos);
|
|
|
|
match rdr.read_char() {
|
|
'%' => match parse_type(s, pos, rdr.read_char(), &mut tm) {
|
|
Ok(next) => pos = next,
|
|
Err(copy 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 }
|
|
}
|
|
}
|
|
|
|
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::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(&mut buf, ch)
|
|
}
|
|
}
|
|
}
|
|
|
|
buf
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
#[legacy_exports];
|
|
|
|
#[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(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 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";
|
|
}
|
|
}
|