1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
extern crate kairos;
use kairos::timetype::TimeType as TT;
fn pretty_print(tt: TT) {
match tt {
TT::Seconds(e) => println!("{} Seconds", e),
TT::Minutes(e) => println!("{} Minutes", e),
TT::Hours(e) => println!("{} Hours", e),
TT::Days(e) => println!("{} Days", e),
TT::Months(e) => println!("{} Months", e),
TT::Years(e) => println!("{} Years", e),
TT::Moment(ndt) => println!("{} ", ndt),
other => println!("Cannot pretty-print: '{:?}'", other),
}
}
fn main() {
// not sure whether this is actually fast or something, but we don't care here, do we?
let s = std::env::args()
.skip(1)
.fold(String::new(), |acc, obj| format!("{} {}", acc, obj));
let s = s.trim(); // because kairos is not yet whitespace tolerant
match kairos::parser::parse(s) {
Err(e) => println!("Error -> {:?}", e),
Ok(kairos::parser::Parsed::TimeType(tt)) => match tt.calculate() {
Ok(r) => pretty_print(r),
Err(e) => println!("Error calculating: {:?}", e),
},
Ok(kairos::parser::Parsed::Iterator(Ok(ui))) => {
for elem in ui {
match elem {
Ok(r) => pretty_print(r),
Err(e) => {
println!("Error calculating: {:?}", e);
std::process::exit(1)
},
}
}
},
Ok(kairos::parser::Parsed::Iterator(Err(e))) => {
println!("Failed building iterator: {:?}", e);
},
}
}
|
