apple_clis/shared/identifiers/
generation.rs

1use crate::prelude::*;
2
3// pub use m_gen::MGen;
4use m_gen::MGen;
5// pub use num_generation::NumGeneration;
6use num_generation::NumGeneration;
7
8pub mod m_gen;
9pub mod num_generation;
10
11/// [Generation::M] is considered newer / greater than [Generation::Num].
12#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
13pub enum Generation {
14	Num(NumGeneration),
15	M(MGen),
16}
17
18impl Generation {
19	#[cfg(test)]
20	pub(super) fn testing_num(num: NonZeroU8) -> Self {
21		Generation::Num(NumGeneration::testing_new(num))
22	}
23}
24
25impl From<NumGeneration> for Generation {
26	fn from(value: NumGeneration) -> Self {
27		Self::Num(value)
28	}
29}
30
31impl From<MGen> for Generation {
32	fn from(value: MGen) -> Self {
33		Self::M(value)
34	}
35}
36
37impl NomFromStr for Generation {
38	fn nom_from_str(input: &str) -> IResult<&str, Self> {
39		alt((
40			map(NumGeneration::nom_from_str, Generation::Num),
41			map(MGen::nom_from_str, Generation::M),
42		))(input)
43	}
44}
45
46impl Display for Generation {
47	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
48		match self {
49			Generation::Num(num) => write!(f, "{}", num),
50			Generation::M(m) => write!(f, "{}", m),
51		}
52	}
53}
54
55#[cfg(test)]
56mod test {
57	use self::shared::assert_nom_parses;
58
59	use super::*;
60
61	#[test]
62	fn generation_ordering() {
63		let lower = Generation::Num(NumGeneration::testing_new(1.try_into().unwrap()));
64		let middle = Generation::M(MGen::new_testing(NonZeroU8::new(1).unwrap()));
65		let higher = Generation::M(MGen::new_testing(NonZeroU8::new(3).unwrap()));
66
67		assert!(lower < middle);
68		assert!(middle < higher);
69		assert!(lower < higher);
70	}
71
72	#[test]
73	fn test_generation_hard_coded() {
74		let examples = ["(6th generation)", "(M2)"];
75
76		assert_nom_parses::<Generation>(examples, |_| true)
77	}
78}
apple_clis/shared/identifiers/generation.rs

apple_clis/shared/identifiers/
generation.rs
