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// Copyright (c) 2024-present, fjall-rs
// This source code is licensed under both the Apache 2.0 and MIT License
// (found in the LICENSE-* files in the repository)
use std::io::{Read, Write};
/// Error during serialization
#[derive(Debug)]
pub enum EncodeError {
/// I/O error
Io(std::io::Error),
}
/// Error during deserialization
#[derive(Debug)]
pub enum DecodeError {
/// I/O error
Io(std::io::Error),
/// Invalid enum tag
InvalidTag((&'static str, u8)),
InvalidTrailer,
/// Invalid block header
InvalidHeader(&'static str),
}
impl From<std::io::Error> for EncodeError {
fn from(value: std::io::Error) -> Self {
Self::Io(value)
}
}
impl From<std::io::Error> for DecodeError {
fn from(value: std::io::Error) -> Self {
Self::Io(value)
}
}
/// Trait to serialize stuff
pub trait Encode {
/// Serializes into writer.
fn encode_into<W: Write>(&self, writer: &mut W) -> Result<(), EncodeError>;
/// Serializes into vector.
fn encode_into_vec(&self) -> Result<Vec<u8>, EncodeError> {
let mut v = vec![];
self.encode_into(&mut v)?;
Ok(v)
}
}
/// Trait to deserialize stuff
pub trait Decode {
/// Deserializes from reader.
fn decode_from<R: Read>(reader: &mut R) -> Result<Self, DecodeError>
where
Self: Sized;
}