1 files changed, 46 insertions, 0 deletions
diff --git a/bzipper_macros/src/impls/encode_struct.rs b/bzipper_macros/src/impls/encode_struct.rs
new file mode 100644
index 0000000..e853e44
--- /dev/null
+++ b/bzipper_macros/src/impls/encode_struct.rs
@@ -0,0 +1,46 @@
+// 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, ToTokens};
+use syn::{DataStruct, Index};
+
+#[must_use]
+pub fn encode_struct(data: &DataStruct) -> TokenStream {
+	let mut fields = Vec::new();
+
+	for (index, field) in data.fields.iter().enumerate() {
+		let name = field.ident
+			.as_ref()
+			.map_or_else(|| Index::from(index).to_token_stream(), ToTokens::to_token_stream);
+
+		fields.push(name);
+	}
+
+	quote! {
+		#[inline]
+		fn encode(&self, stream: &mut ::bzipper::OStream) -> ::core::result::Result<(), ::bzipper::error::EncodeError> {
+			#(::bzipper::Encode::encode(&self.#fields, stream)?;)*
+
+			Ok(())
+		}
+	}
+}