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// This file is part of Chorus <https://github.com/Fuwn/chorus>.
// 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
/// "None if empty string, or with preformat"
///
/// By default, this macro evaluates whether the input `$string` is empty by
/// calling `is_empty`. However, by specifying the type `i32` at the end of the
/// macro invocation, you can tell this macro to evaluate based on `== 0`
/// instead of `is_empty`.
#[macro_export]
macro_rules! niesowp {
($preformat:literal, $string:expr) => {{
if $string.is_empty() {
"".to_string()
} else {
format!("{}{}", $preformat, $string)
}
}};
($preformat:literal, $number:expr,i32) => {{
if $number == 0 {
"".to_string()
} else {
format!("{}{}", $preformat, $number)
}
}};
}
#[macro_export]
macro_rules! compiler_get_or {
($compiler:ident, $key:ident, $default:literal) => {
$crate::config::CONFIG.build.$compiler.as_ref().map_or_else(
|| $default.into(),
|compiler| {
compiler
.$key
.as_ref()
.map_or_else(|| $default.into(), Clone::clone)
},
)
};
}
/// A helper to assist with the sanity checks
#[macro_export]
macro_rules! entry_exists {
($entries:ident, $path:ident, $entry:literal, $context:literal) => {
let entry = $entry.replace("\\", "/");
if !$entries.contains(&PathBuf::from_slash(
format!("{}/{}", $path.as_path().display(), entry).to_string(),
)) {
return Err(anyhow::anyhow!(
"{} \"{}\" does not exist",
$context,
format!("{}/{}", $path.as_path().display(), entry)
));
}
};
}
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