purewasm_cbor/
lib.rs

1#![cfg_attr(not(test), no_std)]
2extern crate alloc;
3
4use alloc::vec::Vec;
5use purewasm_core::{Codec, PureError};
6use serde::{Serialize, de::DeserializeOwned};
7
8pub struct CborCodec;
9
10impl Codec for CborCodec {
11    fn get_code(&self) -> i64 {
12        0x51
13    }
14
15    fn to_bytes<T: Serialize>(&self, t: &T) -> Result<Vec<u8>, PureError> {
16        let mut bytes: Vec<u8> = Vec::new();
17        if let Err(_) = ciborium::into_writer(&t, &mut bytes) {
18            return Err("CBOR_SERIALIZE_ERROR".into());
19        }
20        Ok(bytes)
21    }
22
23    fn from_bytes<T: DeserializeOwned>(bytes: &[u8]) -> Result<T, PureError> {
24        match ciborium::from_reader(bytes) {
25            Ok(t) => Ok(t),
26            Err(_) => Err("CBOR_DESERIALIZE_ERROR".into())
27        }
28    }
29}
30
31
32#[cfg(test)]
33mod tests {
34
35    use serde::Deserialize;
36
37    use super::*;
38    #[derive(Debug, Serialize, Deserialize)]
39    struct Input{ code: i32 }
40
41    #[derive(Debug, Serialize, Deserialize)]
42    struct ExampleResult{ msg: String }
43
44    #[test]
45    fn cbor_test(){
46        let codec = CborCodec;
47        let bytes = codec.to_bytes(&Input{code: 5}).unwrap();
48        let rbytes = codec.to_bytes(&ExampleResult{msg: "The input code is 5".to_owned()}).unwrap();
49        //let abc: Input = cbor::CborCodec::from_bytes(&bytes).unwrap();
50        eprintln!("{:?}", bytes);
51        eprintln!("{:?}", rbytes);
52
53    }
54}
55
purewasm_cbor/lib.rs

purewasm_cbor/
lib.rs
