nushell/crates/nu-utils/src/locale.rs
Hofer-Julian 41306aa7e0
Reduce again the number of match calls (#7815)
- Reduce the number of match calls (see commit messages)
- A few miscellaneous improvements
2023-01-24 12:23:42 +01:00

34 lines
1.2 KiB
Rust

use num_format::Locale;
pub const LOCALE_OVERRIDE_ENV_VAR: &str = "NU_TEST_LOCALE_OVERRIDE";
pub fn get_system_locale() -> Locale {
let locale_string = get_system_locale_string().unwrap_or_else(|| String::from("en-US"));
// Since get_locale() and Locale::from_name() don't always return the same items
// we need to try and parse it to match. For instance, a valid locale is de_DE
// however Locale::from_name() wants only de so we split and parse it out.
let locale_string = locale_string.replace('_', "-"); // en_AU -> en-AU
Locale::from_name(&locale_string).unwrap_or_else(|_| {
let all = num_format::Locale::available_names();
let locale_prefix = &locale_string.split('-').collect::<Vec<&str>>();
if all.contains(&locale_prefix[0]) {
Locale::from_name(locale_prefix[0]).unwrap_or(Locale::en)
} else {
Locale::en
}
})
}
#[cfg(debug_assertions)]
pub fn get_system_locale_string() -> Option<String> {
std::env::var(LOCALE_OVERRIDE_ENV_VAR)
.ok()
.or_else(sys_locale::get_locale)
}
#[cfg(not(debug_assertions))]
pub fn get_system_locale_string() -> Option<String> {
sys_locale::get_locale()
}