omg_serde 0.1.0

Adds serde support to omg_core.
Documentation 
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72

use anyhow::Result;
use omg_core::data::input::Input;
use omg_core::data::math::interpolation::vector::VectorInterpolator;
use omg_core::data::math::interpolation::Interpolate;

use serde::{Deserialize, Serialize};

#[derive(new, Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
pub struct EntrySerde<T: Input, V> {
    threshold: T,
    value: V,
}

impl<T: Input, V> EntrySerde<T, V> {
    pub fn threshold(&self) -> T {
        self.threshold
    }

    pub fn value(&self) -> &V {
        &self.value
    }

    pub fn convert<U: Interpolate + From<V>>(self) -> (T, U) {
        (self.threshold, self.value.into())
    }
}

#[derive(Debug, PartialEq, Eq, Clone, Deserialize, Serialize)]
pub struct VectorInterpolatorSerde<T: Input, V> {
    vector: Vec<EntrySerde<T, V>>,
}

impl<T: Input, V> VectorInterpolatorSerde<T, V> {
    pub fn try_convert<U: Interpolate + From<V>>(self) -> Result<VectorInterpolator<T, U>> {
        VectorInterpolator::new(
            self.vector
                .into_iter()
                .map(|entry| entry.convert())
                .collect(),
        )
    }
}

impl<T: Input, V: From<U>, U: Interpolate> From<&VectorInterpolator<T, U>>
    for VectorInterpolatorSerde<T, V>
{
    fn from(interpolator: &VectorInterpolator<T, U>) -> Self {
        VectorInterpolatorSerde {
            vector: interpolator
                .get_all()
                .iter()
                .map(|entry| EntrySerde {
                    threshold: entry.threshold(),
                    value: entry.value().into(),
                })
                .collect(),
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_conversion() {
        let start = VectorInterpolator::new(vec![(100u32, 150), (150, 200)]).unwrap();
        let serde: VectorInterpolatorSerde<u32, u8> = (&start).into();

        assert_eq!(serde.try_convert().unwrap(), start)
    }
}