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use proc_macro2::TokenStream;
use quote::quote;
use synstructure::{decl_derive, Structure};
decl_derive!([DagCbor, attributes(ipld)] => dag_cbor_derive);
mod gen;
fn dag_cbor_derive(s: Structure) -> TokenStream {
let encode = gen::encode(&s);
let try_read_cbor = gen::decode(&s);
s.gen_impl(quote! {
use libipld::cbor::{DagCborCodec, Result};
use libipld::error::Error;
use libipld::cbor::encode::write_u64;
use libipld::cbor::error::LengthOutOfRange;
use libipld::cbor::decode::{read, read_u8, read_key, TryReadCbor};
use libipld::codec::{Encode, Decode};
use libipld::error::{TypeError, TypeErrorType};
use std::io::{Read, Write};
gen impl Encode<DagCborCodec> for @Self {
#encode
}
gen impl TryReadCbor for @Self {
#try_read_cbor
}
gen impl Decode<DagCborCodec> for @Self {
fn decode<R: Read>(c: DagCborCodec, r: &mut R) -> Result<Self> {
read(r)
}
}
})
}
#[cfg(test)]
mod tests {
#[test]
fn test() {
let t = trybuild::TestCases::new();
t.pass("examples/basic.rs");
t.pass("examples/name_attr.rs");
}
}