serde_loader/
protobuf.rs

1use crate::{
2    common::*,
3    file::{FileDumper, FileLoader, FilePath},
4};
5use prost::Message;
6
7pub type ProtobufPath<T> = FilePath<T, ProtobufDumper, ProtobufLoader>;
8
9#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
10pub struct ProtobufDumper {
11    _private: [u8; 0],
12}
13
14impl<T> FileDumper<T> for ProtobufDumper
15where
16    T: Message,
17{
18    type Error = anyhow::Error;
19
20    fn dump<P>(p: P, value: &T) -> Result<(), Self::Error>
21    where
22        P: AsRef<Path>,
23    {
24        let bytes = value.encode_to_vec();
25        fs::write(p, &bytes)?;
26        Ok(())
27    }
28}
29
30#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
31pub struct ProtobufLoader {
32    _private: [u8; 0],
33}
34
35impl<T> FileLoader<T> for ProtobufLoader
36where
37    T: Message + Default,
38{
39    type Error = anyhow::Error;
40
41    fn load<P>(p: P) -> Result<T, Self::Error>
42    where
43        P: AsRef<Path>,
44    {
45        let bytes = fs::read(p)?;
46        let value = T::decode(&*bytes)?;
47        Ok(value)
48    }
49}
serde_loader/protobuf.rs

serde_loader/
protobuf.rs
