pdk-classy 1.8.0

PDK Classy
Documentation 
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// Copyright (c) 2026, Salesforce, Inc.,
// All rights reserved.
// For full license text, see the LICENSE.txt file

use std::{convert::Infallible, error::Error};

pub trait Encoder {
    type Input: ?Sized;
    type Output<'a>: AsRef<[u8]>;
    type Error: Into<Box<dyn Error + Send + Sync>>;

    fn encode<'a>(&mut self, input: &'a Self::Input) -> Result<Self::Output<'a>, Self::Error>;
}

pub trait Decoder {
    type Output;
    type Error: Into<Box<dyn Error + Send + Sync>>;

    fn decode(&mut self, bytes: Vec<u8>) -> Result<Self::Output, Self::Error>;
}

pub struct BytesCodec;

impl Encoder for BytesCodec {
    type Input = [u8];
    type Output<'a> = &'a [u8];
    type Error = Infallible;

    fn encode<'a>(&mut self, input: &'a [u8]) -> Result<Self::Output<'a>, Self::Error> {
        Ok(input)
    }
}

impl Decoder for BytesCodec {
    type Output = Vec<u8>;
    type Error = Infallible;

    fn decode(&mut self, bytes: Vec<u8>) -> Result<Vec<u8>, Self::Error> {
        Ok(bytes)
    }
}

pub trait Codec {
    type Encoder: Encoder;
    type Decoder: Decoder;

    fn into_components(self) -> (Self::Encoder, Self::Decoder);
}

impl Codec for BytesCodec {
    type Encoder = Self;
    type Decoder = Self;

    fn into_components(self) -> (Self::Encoder, Self::Decoder) {
        (Self, Self)
    }
}

impl<E: Encoder, D: Decoder> Codec for (E, D) {
    type Encoder = E;
    type Decoder = D;

    fn into_components(self) -> (Self::Encoder, Self::Decoder) {
        self
    }
}