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use std::{borrow::Cow, collections::HashMap, sync::LazyLock};
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum Language {
English,
German,
}
static LANG_TABLES: LazyLock<HashMap<Language, HashMap<&'static str, &'static str>>> =
LazyLock::new(|| {
let mut k = HashMap::new();
for (lang, source) in [
(Language::English, include_str!("../../locale/en.ini")),
(Language::German, include_str!("../../locale/de.ini")),
] {
let tr_map = source
.lines()
.filter_map(|line| {
let (key, value) = line.split_once("=")?;
Some((key.trim(), value.trim()))
})
.collect::<HashMap<&'static str, &'static str>>();
k.insert(lang, tr_map);
}
k
});
pub fn tr(lang: Language, key: &str, args: &[(&str, &str)]) -> Cow<'static, str> {
let tr_map = LANG_TABLES.get(&lang).unwrap();
match tr_map.get(key) {
Some(value) => {
if args.is_empty() {
Cow::Borrowed(value)
} else {
let mut s = value.to_string();
for (k, v) in args {
s = s.replace(&format!("{{{k}}}"), v)
}
Cow::Owned(s)
}
}
None => Cow::Owned(format!("TR[{key}]")),
}
}
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