diff options
Diffstat (limited to 'bzipper_macros/src/impls/deserialise_struct.rs')
| -rw-r--r-- | bzipper_macros/src/impls/deserialise_struct.rs | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/bzipper_macros/src/impls/deserialise_struct.rs b/bzipper_macros/src/impls/deserialise_struct.rs deleted file mode 100644 index f8c167b..0000000 --- a/bzipper_macros/src/impls/deserialise_struct.rs +++ /dev/null @@ -1,61 +0,0 @@ -// Copyright 2024 Gabriel Bjørnager Jensen. -// -// This file is part of bzipper. -// -// bzipper is free software: you can redistribute -// it and/or modify it under the terms of the GNU -// Lesser General Public License as published by -// the Free Software Foundation, either version 3 -// of the License, or (at your option) any later -// version. -// -// bzipper is distributed in the hope that it will -// be useful, but WITHOUT ANY WARRANTY; without -// even the implied warranty of MERCHANTABILITY or -// FITNESS FOR A PARTICULAR PURPOSE. See the GNU -// Lesser General Public License for more details. -// -// You should have received a copy of the GNU Less- -// er General Public License along with bzipper. If -// not, see <https://www.gnu.org/licenses/>. - -use proc_macro2::TokenStream; -use quote::quote; -use syn::{DataStruct, Fields, Token}; -use syn::punctuated::Punctuated; - -#[must_use] -pub fn deserialise_struct(data: &DataStruct) -> TokenStream { - if matches!(data.fields, Fields::Unit) { - quote! { - #[inline(always)] - fn deserialise(_stream: &::bzipper::Dstream) -> ::bzipper::Result<Self> { Ok(Self) } - } - } else { - let mut chain_commands = Punctuated::<TokenStream, Token![,]>::new(); - - for field in &data.fields { - let command = field.ident - .as_ref() - .map_or_else( - || quote! { Deserialise::deserialise(stream)? }, - |field_name| quote! { #field_name: Deserialise::deserialise(stream)? } - ); - - chain_commands.push(command); - } - - let value = if let Fields::Named(..) = data.fields { - quote! { Self { #chain_commands } } - } else { - quote! { Self(#chain_commands) } - }; - - quote! { - fn deserialise(stream: &::bzipper::Dstream) -> ::bzipper::Result<Self> { - let value = #value; - Ok(value) - } - } - } -} |