grib/codetables/
grib2.rs

1use num_enum::{IntoPrimitive, TryFromPrimitive};
2
3#[derive(Debug, Eq, PartialEq, TryFromPrimitive, IntoPrimitive)]
4#[non_exhaustive]
5#[repr(u8)]
6pub enum Table1_2 {
7    Analysis = 0,
8    StartOfForecast,
9    VerifyingTimeOfForecast,
10    ObservationTime,
11    LocalTime,
12    SimulationStart,
13    Missing = 255,
14}
15
16#[derive(Debug, Eq, PartialEq, TryFromPrimitive, IntoPrimitive)]
17#[non_exhaustive]
18#[repr(u8)]
19pub enum Table4_4 {
20    Minute = 0,
21    Hour,
22    Day,
23    Month,
24    Year,
25    Decade,
26    Normal,
27    Century,
28    ThreeHours = 10,
29    SixHours,
30    TwelveHours,
31    Second,
32    Missing = 255,
33}
34
35impl Table4_4 {
36    pub fn short_expr(&self) -> Option<&'static str> {
37        match self {
38            Self::Minute => Some("m"),
39            Self::Hour => Some("h"),
40            Self::Day => Some("D"),
41            Self::Month => Some("M"),
42            Self::Year => Some("Y"),
43            Self::Decade => Some("10Y"),
44            Self::Normal => Some("30Y"),
45            Self::Century => Some("C"),
46            Self::ThreeHours => Some("3h"),
47            Self::SixHours => Some("6h"),
48            Self::TwelveHours => Some("12h"),
49            Self::Second => Some("s"),
50            Self::Missing => None,
51        }
52    }
53}
54
55#[derive(Debug, Clone, Eq, PartialEq, TryFromPrimitive, IntoPrimitive)]
56#[non_exhaustive]
57#[repr(u8)]
58pub enum Table5_6 {
59    FirstOrderSpatialDifferencing = 1,
60    SecondOrderSpatialDifferencing,
61    Missing = 255,
62}
63
64#[cfg(test)]
65mod tests {
66    use num_enum::TryFromPrimitiveError;
67
68    use super::*;
69    use crate::codetables::*;
70
71    #[test]
72    fn num_enum_conversion() {
73        assert_eq!((Table4_4::try_from(1u8)), Ok(Table4_4::Hour));
74        assert_eq!((Table4_4::try_from(10u8)), Ok(Table4_4::ThreeHours));
75        assert_eq!(
76            (Table4_4::try_from(254u8)),
77            Err(TryFromPrimitiveError { number: 254 })
78        );
79    }
80
81    #[test]
82    fn num_lookup_result_conversion() {
83        assert_eq!(Code::from(Table4_4::try_from(1u8)), Name(Table4_4::Hour));
84        assert_eq!(Code::from(Table4_4::try_from(254u8)), Num(254));
85    }
86}
grib/codetables/grib2.rs

grib/codetables/
grib2.rs
