use std::{fmt, io};
use cid::Error as CidError;
use serde_ipld_dagcbor::{DecodeError, EncodeError};
use thiserror::Error;
#[derive(Debug, PartialEq, Eq, Error)]
#[error("Serialization error for {protocol} protocol: {description}")]
pub struct Error {
pub description: String,
pub protocol: CodecProtocol,
}
impl<T: fmt::Debug> From<DecodeError<T>> for Error {
fn from(err: DecodeError<T>) -> Self {
Self {
description: err.to_string(),
protocol: CodecProtocol::Cbor,
}
}
}
impl<T: fmt::Debug> From<EncodeError<T>> for Error {
fn from(err: EncodeError<T>) -> Self {
Self {
description: err.to_string(),
protocol: CodecProtocol::Cbor,
}
}
}
impl From<CidError> for Error {
fn from(err: CidError) -> Self {
Self {
description: err.to_string(),
protocol: CodecProtocol::Cbor,
}
}
}
impl From<Error> for io::Error {
fn from(err: Error) -> Self {
Self::new(io::ErrorKind::Other, err)
}
}
#[derive(Debug, Eq, PartialEq)]
#[non_exhaustive]
pub enum CodecProtocol {
Unsupported,
Cbor,
Raw,
}
impl fmt::Display for CodecProtocol {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match *self {
CodecProtocol::Unsupported => write!(f, "Unsupported"),
CodecProtocol::Cbor => write!(f, "Cbor"),
CodecProtocol::Raw => write!(f, "Raw"),
}
}
}