codec/
codec.rs

1use core::{error::Error, fmt::Display};
2
3use crate::{DecodeBuffer, EncodeBuffer};
4
5
6#[derive(Debug)]
7pub enum DecodeError {
8    Invalid,
9    Incomplete
10}
11
12impl Display for DecodeError {
13    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
14        match self {
15            Self::Invalid => write!(f, "The data being decoded is not valid"),
16            Self::Incomplete => write!(f, "Not enough data to be able to decode"),
17        }
18    }
19}
20
21impl Error for DecodeError {}
22
23impl From<()> for DecodeError {
24    fn from(_: ()) -> Self {
25        DecodeError::Invalid
26    }
27}
28
29#[derive(Debug)]
30pub enum EncodeError {
31    Overrun,
32    Encoding
33}
34
35impl Display for EncodeError {
36    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
37        match self {
38            Self::Encoding => write!(f, "Could not encode. Data was not valid"),
39            Self::Overrun => write!(f, "Ran out of space in the buffer when trying to encode"),
40        }
41    }
42}
43
44impl Error for EncodeError {}
45
46pub trait Codec<Context>
47where Self: Sized {
48    fn encode(self, buf: &mut impl EncodeBuffer, ctx: Context) -> Result<(), EncodeError>;
49    fn decode(buf: &mut impl DecodeBuffer, ctx: Context) -> Result<Self, DecodeError>;
50}
codec/codec.rs

codec/
codec.rs
