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// This file is part of Germ <https://github.com/gemrest/germ>.
// Copyright (C) 2022-2022 Fuwn <[email protected]>
//
// 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) 2022-2022 Fuwn <[email protected]>
// SPDX-License-Identifier: GPL-3.0-only
#![deny(
warnings,
nonstandard_style,
unused,
future_incompatible,
rust_2018_idioms,
unsafe_code,
clippy::all,
clippy::nursery,
clippy::pedantic
)]
#![feature(proc_macro_hygiene, proc_macro_span)]
#![recursion_limit = "128"]
use proc_macro::TokenStream;
/// Convert Gemtext into a token tree
///
/// # Panics
///
/// May panic if the Gemini could not be properly handled, for any reason.
#[proc_macro]
pub fn gemini_to_tt(input: TokenStream) -> TokenStream {
let mut tokens = input.into_iter();
let mut span = tokens.next().unwrap().span();
for token in tokens {
span = span.join(token.span()).unwrap();
}
let gemini = span
.source_text()
.unwrap()
.lines()
.map(|l| l.trim_start().to_string())
.collect::<Vec<String>>()
.join("\n");
quote::quote!(#gemini).into()
}
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