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48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Optional.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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#include <AK/Vector.h>
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#include <LibUnicode/Forward.h>
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namespace Unicode {
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struct LanguageID {
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bool is_root { false };
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Optional<StringView> language {};
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Optional<StringView> script {};
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Optional<StringView> region {};
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Vector<StringView> variants {};
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};
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struct LocaleID {
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LanguageID language_id {};
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};
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// Note: These methods only verify that the provided strings match the EBNF grammar of the
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// Unicode identifier subtag (i.e. no validation is done that the tags actually exist).
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bool is_unicode_language_subtag(StringView);
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bool is_unicode_script_subtag(StringView);
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bool is_unicode_region_subtag(StringView);
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bool is_unicode_variant_subtag(StringView);
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Optional<LanguageID> parse_unicode_language_id(StringView);
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Optional<LocaleID> parse_unicode_locale_id(StringView);
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Optional<String> canonicalize_unicode_locale_id(LocaleID&);
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String const& default_locale();
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bool is_locale_available(StringView locale);
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Optional<StringView> get_locale_language_mapping(StringView locale, StringView language);
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Optional<StringView> get_locale_territory_mapping(StringView locale, StringView territory);
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Optional<StringView> get_locale_script_mapping(StringView locale, StringView script);
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Optional<StringView> get_locale_currency_mapping(StringView locale, StringView currency);
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}
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