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LibUnicode: Add an API to retrieve a locale's default numbering system

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Timothy Flynn 2022-01-11 10:18:11 -05:00 committed by Linus Groh
parent cc5e9f0579
commit 6409900a5b
Notes: sideshowbarker 2024-07-17 21:09:48 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/6409900a5b0
Pull-request: https://github.com/SerenityOS/serenity/pull/11813
Reviewed-by: https://github.com/linusg ✅
2 changed files with 12 additions and 0 deletions
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10
Userland/Libraries/LibUnicode/NumberFormat.cpp
View File

@ -23,6 +23,16 @@ Optional<NumberFormat> __attribute__((weak)) get_standard_number_system_format(S
Vector<NumberFormat> __attribute__((weak)) get_compact_number_system_formats(StringView, StringView, CompactNumberFormatType) { return {}; }
Vector<NumberFormat> __attribute__((weak)) get_unit_formats(StringView, StringView, Style) { return {}; }
Optional<StringView> get_default_number_system(StringView locale)
{
if (auto systems = get_locale_key_mapping(locale, "nu"sv); systems.has_value()) {
auto index = systems->find(',');
return index.has_value() ? systems->substring_view(0, *index) : *systems;
}
return {};
}
String replace_digits_for_number_system(StringView system, StringView number)
{
// https://tc39.es/ecma402/#table-numbering-system-digits

2
Userland/Libraries/LibUnicode/NumberFormat.h
View File

@ -65,6 +65,8 @@ enum class NumericSymbol : u8 {
PlusSign,
};
Optional<StringView> get_default_number_system(StringView locale);
Optional<StringView> get_number_system_symbol(StringView locale, StringView system, NumericSymbol symbol);
Optional<NumberGroupings> get_number_system_groupings(StringView locale, StringView system);
String replace_digits_for_number_system(StringView system, StringView number);