imag/libimagtimeui/src/time.rs

131 lines
3 KiB
Rust

use chrono::naive::time::NaiveTime as ChronoNaiveTime;
use parse::Parse;
pub struct Time {
hour: u32,
minute: u32,
second: u32,
}
impl Time {
pub fn new(hour: u32, minute: u32, second: u32) -> Time {
Time {
hour: hour,
minute: minute,
second: second
}
}
pub fn hour(&self) -> u32 {
self.hour
}
pub fn minute(&self) -> u32 {
self.minute
}
pub fn second(&self) -> u32 {
self.second
}
}
impl Into<ChronoNaiveTime> for Time {
fn into(self) -> ChronoNaiveTime {
ChronoNaiveTime::from_hms(self.hour, self.minute, self.second)
}
}
impl Parse for Time {
fn parse(s: &str) -> Option<Time> {
use std::str::FromStr;
use regex::Regex;
use parse::time_parse_regex;
lazy_static! {
static ref R: Regex = Regex::new(time_parse_regex()).unwrap();
}
R.captures(s)
.and_then(|capts| {
let minute = capts.name("m").and_then(|o| FromStr::from_str(o).ok()).unwrap_or(0);
let second = capts.name("s").and_then(|o| FromStr::from_str(o).ok()).unwrap_or(0);
let hour = match capts.name("h").and_then(|o| FromStr::from_str(o).ok()) {
None => {
debug!("No hour");
return None;
},
Some(x) => x,
};
Some(Time::new(hour, minute, second))
})
}
}
#[cfg(test)]
mod test {
use super::Time;
use parse::Parse;
#[test]
fn test_valid() {
let s = "2016-12-12T20:01:02";
let t = Time::parse(s);
assert!(t.is_some());
let t = t.unwrap();
assert_eq!(20, t.hour());
assert_eq!(1, t.minute());
assert_eq!(2, t.second());
}
#[test]
fn test_valid_without_sec() {
let s = "2016-12-12T20:01";
let t = Time::parse(s);
assert!(t.is_some());
let t = t.unwrap();
assert_eq!(20, t.hour());
assert_eq!(1, t.minute());
assert_eq!(0, t.second());
}
#[test]
fn test_valid_without_min() {
let s = "2016-12-12T20";
let t = Time::parse(s);
assert!(t.is_some());
let t = t.unwrap();
assert_eq!(20, t.hour());
assert_eq!(0, t.minute());
assert_eq!(0, t.second());
}
#[test]
fn test_invalid() {
assert!(Time::parse("2015-12-12T").is_none());
assert!(Time::parse("2015-12-12T200").is_none());
assert!(Time::parse("2015-12-12T20-20").is_none());
assert!(Time::parse("2015-12-12T20:200").is_none());
assert!(Time::parse("2015-12-12T20:20:200").is_none());
assert!(Time::parse("2015-12-12T20:20:").is_none());
assert!(Time::parse("2015-12-12T20:").is_none());
assert!(Time::parse("2015-12-12T2:20:21").is_none());
assert!(Time::parse("2015-12-12T2:2:20").is_none());
assert!(Time::parse("2015-12-12T2:2:2").is_none());
}
}