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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2026 metamuffin <metamuffin.org>
*/
use std::{borrow::Cow, collections::HashMap, sync::LazyLock};
macro_rules! languages {
($($lang:literal),*) => {
#[cfg(feature = "reload")]
const LANGUAGES: &[&str] = &[$($lang),*];
#[cfg(not(feature = "reload"))]
const LANGUAGES: &[(&str, &str)] = &[$(($lang, include_str!(concat!("../../../locale/", $lang, ".ini")))),*];
};
}
languages!("en", "de", "nl", "zh_Hans");
pub static LANG_TABLES: LazyLock<HashMap<&'static str, HashMap<&'static str, &'static str>>> =
LazyLock::new(|| {
let mut langs = LANGUAGES
.iter()
.map(|(k, v)| (*k, parse_ini(v)))
.collect::<HashMap<_, _>>();
let fallback = langs["en"].clone();
for l in langs.values_mut() {
for (k, fv) in &fallback {
if !l.contains_key(k) {
l.insert(k, fv);
}
}
}
langs
});
fn parse_ini(source: &str) -> HashMap<&str, &str> {
source
.lines()
.filter_map(|line| {
let (key, value) = line.split_once("=")?;
Some((key.trim(), value.trim()))
})
.collect()
}
pub fn tr(lang: &str, key: &str) -> Cow<'static, str> {
let tr_map = LANG_TABLES.get(&lang).unwrap();
tr_map
.get(key)
.copied()
.map(Cow::Borrowed)
.unwrap_or_else(|| format!("MISSING TRANSLATION {:?}", key).into())
}
pub fn escape(str: &str) -> String {
let mut o = String::with_capacity(str.len());
let mut last = 0;
for (index, byte) in str.bytes().enumerate() {
if let Some(esc) = match byte {
b'<' => Some("<"),
b'>' => Some(">"),
b'&' => Some("&"),
b'"' => Some("""),
_ => None,
} {
o += &str[last..index];
o += esc;
last = index + 1;
}
}
o += &str[last..];
o
}
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