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// This file is part of Windmark <https://github.com/gemrest/windmark>.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 3.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (C) 2022-2023 Fuwn <[email protected]>
// SPDX-License-Identifier: GPL-3.0-only
#![deny(
clippy::all,
clippy::nursery,
clippy::pedantic,
future_incompatible,
nonstandard_style,
rust_2018_idioms,
unsafe_code,
unused,
warnings
)]
#![recursion_limit = "128"]
mod implementations;
use proc_macro::TokenStream;
use syn::Item;
/// Marks a `struct` as a router or marks an `impl` block as a router
/// implementation
///
/// # Examples
///
/// ```rust
/// #[rossweisse::router]
/// struct Router {
/// _phantom: (),
/// }
///
/// #[rossweisse::router]
/// impl Router {
/// #[route]
/// pub fn index(
/// _context: windmark::context::RouteContext,
/// ) -> windmark::Response {
/// windmark::Response::success("Hello, World!")
/// }
/// }
/// ```
#[proc_macro_attribute]
pub fn router(arguments: TokenStream, item: TokenStream) -> TokenStream {
let output = match syn::parse::<Item>(item.clone()) {
Ok(Item::Struct(item)) => implementations::fields(arguments, item),
Ok(Item::Impl(item)) => implementations::methods(arguments, item),
_ => panic!("`#[rossweisse::router]` can only be used on `struct`s"),
};
output.into()
}
/// Marks a method of a router implementation as a route to mount
///
/// # Examples
///
/// ```rust
/// #[rossweisse::router]
/// impl Router {
/// #[route]
/// pub fn index(
/// _context: windmark::context::RouteContext,
/// ) -> windmark::Response {
/// windmark::Response::success("Hello, World!")
/// }
/// }
/// ```
#[proc_macro_attribute]
pub fn route(arguments: TokenStream, item: TokenStream) -> TokenStream {
let output = match syn::parse::<Item>(item.clone()) {
Ok(Item::Fn(item)) => implementations::route(arguments, item),
_ => panic!("`#[rossweisse::route]` can only be used on `fn`s"),
};
output.into()
}
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