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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
// A sample application which takes a comma separated list of locales,
// makes them syntatically canonical and serializes the list back into a comma separated list.
icu_benchmark_macros::static_setup!();
use std::env;
use icu_locid::Locale;
const DEFAULT_INPUT: &str = "sr-cyrL-rS, es-mx, und-arab-u-ca-Buddhist";
fn syntatically_canonicalize_locales(input: &str) -> String {
// Split input string and canonicalize each locale identifier.
let canonical_locales: Vec<String> = input
.split(',')
.filter_map(|s| Locale::canonicalize(s.trim()).ok())
.collect();
canonical_locales.join(", ")
}
fn main() {
icu_benchmark_macros::main_setup!();
let args: Vec<String> = env::args().collect();
let input = if let Some(input) = args.get(1) {
input.as_str()
} else {
DEFAULT_INPUT
};
let _output = syntatically_canonicalize_locales(input);
#[cfg(debug_assertions)]
println!("\nInput: {}\nOutput: {}", input, _output);
}
#[cfg(test)]
mod tests {
use super::*;
const DEFAULT_OUTPUT: &str = "sr-Cyrl-RS, es-MX, und-Arab-u-ca-buddhist";
#[test]
fn ensure_default_output() {
assert_eq!(
syntatically_canonicalize_locales(DEFAULT_INPUT),
DEFAULT_OUTPUT
);
}
}
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