Crate icu_locale_canonicalizer[][src]

Expand description

icu_locale_canonicalizer is one of the ICU4X components.

This API provides functionality to canonicalize locale identifiers based upon CLDR data.

It currently supports the minimize and maximize likely subtags algorithms as described in UTS #35: Unicode LDML 3. Likely Subtags.

The maximize method potentially updates a passed in locale in place depending up the results of running the ‘Add Likely Subtags’ algorithm from UTS #35: Unicode LDML 3. Likely Subtags.

This minimize method returns a new Locale that is the result of running the ‘Remove Likely Subtags’ algorithm from UTS #35: Unicode LDML 3. Likely Subtags.

Examples

use icu_locale_canonicalizer::{CanonicalizationResult, LocaleCanonicalizer};
use icu_locid::Locale;

let provider = icu_testdata::get_provider();
let lc = LocaleCanonicalizer::new(&provider)
    .expect("create failed");

let mut locale : Locale = "zh-CN".parse()
    .expect("parse failed");
assert_eq!(lc.maximize(&mut locale), CanonicalizationResult::Modified);
assert_eq!(locale.to_string(), "zh-Hans-CN");

let mut locale : Locale = "zh-Hant-TW".parse()
    .expect("parse failed");
assert_eq!(lc.maximize(&mut locale), CanonicalizationResult::Unmodified);
assert_eq!(locale.to_string(), "zh-Hant-TW");
use icu_locale_canonicalizer::{CanonicalizationResult, LocaleCanonicalizer};
use icu_locid::Locale;

let provider = icu_testdata::get_provider();
let lc = LocaleCanonicalizer::new(&provider)
    .expect("create failed");

let mut locale : Locale = "zh-Hans-CN".parse()
    .expect("parse failed");
assert_eq!(lc.minimize(&mut locale), CanonicalizationResult::Modified);
assert_eq!(locale.to_string(), "zh");

let mut locale : Locale = "zh".parse()
    .expect("parse failed");
assert_eq!(lc.minimize(&mut locale), CanonicalizationResult::Unmodified);
assert_eq!(locale.to_string(), "zh");
use icu_locale_canonicalizer::{CanonicalizationResult, LocaleCanonicalizer};
use icu_locid::Locale;

let provider = icu_testdata::get_provider();
let lc = LocaleCanonicalizer::new(&provider)
    .expect("create failed");

let mut locale : Locale = "ja-Latn-fonipa-hepburn-heploc".parse()
    .expect("parse failed");
assert_eq!(lc.canonicalize(&mut locale), CanonicalizationResult::Modified);
assert_eq!(locale.to_string(), "ja-Latn-alalc97-fonipa");

Re-exports

pub use locale_canonicalizer::CanonicalizationResult;
pub use locale_canonicalizer::LocaleCanonicalizer;

Modules

Data provider struct definitions for this ICU4X component.