#![doc(html_root_url = "https://lifthrasiir.github.io/rust-chrono/")]
#![feature(macro_rules, associated_types, default_type_params)]
#![deny(missing_docs)]
extern crate "time" as stdtime;
pub use duration::Duration;
pub use offset::{Offset, LocalResult};
pub use offset::{UTC, FixedOffset, Local};
pub use naive::date::NaiveDate;
pub use naive::time::NaiveTime;
pub use naive::datetime::NaiveDateTime;
pub use date::Date;
pub use time::Time;
pub use datetime::DateTime;
mod div;
pub mod duration {
pub use std::time::duration::{MIN, MAX, Duration};
}
pub mod offset;
pub mod naive {
pub mod date;
pub mod time;
pub mod datetime;
}
pub mod date;
pub mod time;
pub mod datetime;
pub mod format;
#[deriving(PartialEq, Eq, Copy, Clone, FromPrimitive, Show)]
pub enum Weekday {
Mon = 0,
Tue = 1,
Wed = 2,
Thu = 3,
Fri = 4,
Sat = 5,
Sun = 6,
}
impl Weekday {
#[inline]
pub fn succ(&self) -> Weekday {
match *self {
Weekday::Mon => Weekday::Tue,
Weekday::Tue => Weekday::Wed,
Weekday::Wed => Weekday::Thu,
Weekday::Thu => Weekday::Fri,
Weekday::Fri => Weekday::Sat,
Weekday::Sat => Weekday::Sun,
Weekday::Sun => Weekday::Mon,
}
}
#[inline]
pub fn pred(&self) -> Weekday {
match *self {
Weekday::Mon => Weekday::Sun,
Weekday::Tue => Weekday::Mon,
Weekday::Wed => Weekday::Tue,
Weekday::Thu => Weekday::Wed,
Weekday::Fri => Weekday::Thu,
Weekday::Sat => Weekday::Fri,
Weekday::Sun => Weekday::Sat,
}
}
#[inline]
pub fn number_from_monday(&self) -> u32 {
match *self {
Weekday::Mon => 1,
Weekday::Tue => 2,
Weekday::Wed => 3,
Weekday::Thu => 4,
Weekday::Fri => 5,
Weekday::Sat => 6,
Weekday::Sun => 7,
}
}
#[inline]
pub fn number_from_sunday(&self) -> u32 {
match *self {
Weekday::Mon => 2,
Weekday::Tue => 3,
Weekday::Wed => 4,
Weekday::Thu => 5,
Weekday::Fri => 6,
Weekday::Sat => 7,
Weekday::Sun => 1,
}
}
#[inline]
pub fn num_days_from_monday(&self) -> u32 {
match *self {
Weekday::Mon => 0,
Weekday::Tue => 1,
Weekday::Wed => 2,
Weekday::Thu => 3,
Weekday::Fri => 4,
Weekday::Sat => 5,
Weekday::Sun => 6,
}
}
#[inline]
pub fn num_days_from_sunday(&self) -> u32 {
match *self {
Weekday::Mon => 1,
Weekday::Tue => 2,
Weekday::Wed => 3,
Weekday::Thu => 4,
Weekday::Fri => 5,
Weekday::Sat => 6,
Weekday::Sun => 0,
}
}
}
pub trait Datelike {
fn year(&self) -> i32;
#[inline]
fn year_ce(&self) -> (bool, u32) {
let year = self.year();
if year < 1 {
(false, (1 - year) as u32)
} else {
(true, year as u32)
}
}
fn month(&self) -> u32;
fn month0(&self) -> u32;
fn day(&self) -> u32;
fn day0(&self) -> u32;
fn ordinal(&self) -> u32;
fn ordinal0(&self) -> u32;
fn weekday(&self) -> Weekday;
fn isoweekdate(&self) -> (i32, u32, Weekday);
fn with_year(&self, year: i32) -> Option<Self>;
fn with_month(&self, month: u32) -> Option<Self>;
fn with_month0(&self, month0: u32) -> Option<Self>;
fn with_day(&self, day: u32) -> Option<Self>;
fn with_day0(&self, day0: u32) -> Option<Self>;
fn with_ordinal(&self, ordinal: u32) -> Option<Self>;
fn with_ordinal0(&self, ordinal0: u32) -> Option<Self>;
fn num_days_from_ce(&self) -> i32 {
let mut year = self.year() - 1;
let mut ndays = 0;
if year < 0 {
let excess = 1 + (-year) / 400;
year += excess * 400;
ndays -= excess * 146097;
}
let div_100 = year / 100;
ndays += ((year * 1461) >> 2) - div_100 + (div_100 >> 2);
ndays + self.ordinal() as i32
}
}
pub trait Timelike {
fn hour(&self) -> u32;
#[inline]
fn hour12(&self) -> (bool, u32) {
let hour = self.hour();
let mut hour12 = hour % 12;
if hour12 == 0 { hour12 = 12; }
(hour >= 12, hour12)
}
fn minute(&self) -> u32;
fn second(&self) -> u32;
fn nanosecond(&self) -> u32;
fn with_hour(&self, hour: u32) -> Option<Self>;
fn with_minute(&self, min: u32) -> Option<Self>;
fn with_second(&self, sec: u32) -> Option<Self>;
fn with_nanosecond(&self, nano: u32) -> Option<Self>;
#[inline]
fn num_seconds_from_midnight(&self) -> u32 {
self.hour() * 3600 + self.minute() * 60 + self.second()
}
}
#[test]
fn test_readme_doomsday() {
use std::iter::range_inclusive;
for y in range_inclusive(naive::date::MIN.year(), naive::date::MAX.year()) {
let d4 = NaiveDate::from_ymd(y, 4, 4);
let d6 = NaiveDate::from_ymd(y, 6, 6);
let d8 = NaiveDate::from_ymd(y, 8, 8);
let d10 = NaiveDate::from_ymd(y, 10, 10);
let d12 = NaiveDate::from_ymd(y, 12, 12);
let d59 = NaiveDate::from_ymd(y, 5, 9);
let d95 = NaiveDate::from_ymd(y, 9, 5);
let d711 = NaiveDate::from_ymd(y, 7, 11);
let d117 = NaiveDate::from_ymd(y, 11, 7);
let d30 = NaiveDate::from_ymd(y, 3, 1).pred();
let weekday = d30.weekday();
let other_dates = [d4, d6, d8, d10, d12, d59, d95, d711, d117];
assert!(other_dates.iter().all(|d| d.weekday() == weekday));
}
}