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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) 2025 metamuffin <metamuffin.org>
*/
use markup::{Render, RenderAttributeValue};
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")),
] {
// TODO fallback to english
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) -> Cow<'static, str> {
let tr_map = LANG_TABLES.get(&lang).unwrap();
match tr_map.get(key) {
Some(value) => Cow::Borrowed(value),
None => Cow::Owned(format!("TR[{key}]")),
}
}
pub fn get_translation_table(lang: &Language) -> &'static HashMap<&'static str, &'static str> {
LANG_TABLES.get(lang).unwrap()
}
pub struct TrString<'a>(Cow<'a, str>);
impl Render for TrString<'_> {
fn render(&self, writer: &mut impl std::fmt::Write) -> std::fmt::Result {
self.0.render(writer)
}
}
impl RenderAttributeValue for TrString<'_> {
fn is_none(&self) -> bool {
false
}
fn is_true(&self) -> bool {
false
}
fn is_false(&self) -> bool {
false
}
}
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
}
pub fn trs<'a>(lang: &Language, key: &str) -> TrString<'a> {
TrString(tr(*lang, key))
}
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