Function icu_properties::script::script_with_extensions

pub const fn script_with_extensions() -> ScriptWithExtensionsBorrowed<'static>

Returns a ScriptWithExtensionsBorrowed struct that represents the data for the Script and Script_Extensions properties.

✨ Enabled with the compiled_data Cargo feature.

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Examples

use icu::properties::{script, Script};
let swe = script::script_with_extensions();

// get the `Script` property value
assert_eq!(swe.get_script_val(0x0640), Script::Common); // U+0640 ARABIC TATWEEL
assert_eq!(swe.get_script_val(0x0650), Script::Inherited); // U+0650 ARABIC KASRA
assert_eq!(swe.get_script_val(0x0660), Script::Arabic); // // U+0660 ARABIC-INDIC DIGIT ZERO
assert_eq!(swe.get_script_val(0xFDF2), Script::Arabic); // U+FDF2 ARABIC LIGATURE ALLAH ISOLATED FORM

// get the `Script_Extensions` property value
assert_eq!(
    swe.get_script_extensions_val(0x0640) // U+0640 ARABIC TATWEEL
        .iter().collect::<Vec<Script>>(),
    vec![Script::Arabic, Script::Syriac, Script::Mandaic, Script::Manichaean,
         Script::PsalterPahlavi, Script::Adlam, Script::HanifiRohingya, Script::Sogdian,
         Script::OldUyghur]
);
assert_eq!(
    swe.get_script_extensions_val('🥳' as u32) // U+1F973 FACE WITH PARTY HORN AND PARTY HAT
        .iter().collect::<Vec<Script>>(),
    vec![Script::Common]
);
assert_eq!(
    swe.get_script_extensions_val(0x200D) // ZERO WIDTH JOINER
        .iter().collect::<Vec<Script>>(),
    vec![Script::Inherited]
);
assert_eq!(
    swe.get_script_extensions_val('௫' as u32) // U+0BEB TAMIL DIGIT FIVE
        .iter().collect::<Vec<Script>>(),
    vec![Script::Tamil, Script::Grantha]
);

// check containment of a `Script` value in the `Script_Extensions` value
// U+0650 ARABIC KASRA
assert!(!swe.has_script(0x0650, Script::Inherited)); // main Script value
assert!(swe.has_script(0x0650, Script::Arabic));
assert!(swe.has_script(0x0650, Script::Syriac));
assert!(!swe.has_script(0x0650, Script::Thaana));

// get a `CodePointInversionList` for when `Script` value is contained in `Script_Extensions` value
let syriac = swe.get_script_extensions_set(Script::Syriac);
assert!(syriac.contains32(0x0650)); // ARABIC KASRA
assert!(!syriac.contains32(0x0660)); // ARABIC-INDIC DIGIT ZERO
assert!(!syriac.contains32(0xFDF2)); // ARABIC LIGATURE ALLAH ISOLATED FORM
assert!(syriac.contains32(0x0700)); // SYRIAC END OF PARAGRAPH
assert!(syriac.contains32(0x074A)); // SYRIAC BARREKH