| // Copyright 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #ifndef LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_ |
| #define LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_ |
| |
| #include <string> |
| |
| #include "utils/i18n/locale.h" |
| #include "utils/strings/split.h" |
| |
| namespace libtextclassifier3 { |
| |
| // Parses and hold data about locales (combined by delimiter ','). |
| class LocaleList { |
| public: |
| // Constructs the |
| // - Collection of locale tag from local_tags |
| // - Collection of Locale objects from a valid BCP47 tag. (If the tag is |
| // invalid, an object is created but return false for IsInvalid() call. |
| // - Assigns the first parsed locale to reference_locale. |
| static LocaleList ParseFrom(const std::string& locale_tags); |
| |
| std::vector<Locale> GetLocales() const { return locales_; } |
| std::vector<StringPiece> GetLocaleTags() const { return split_locales_; } |
| std::string GetReferenceLocale() const { return reference_locale_; } |
| |
| private: |
| LocaleList(const std::vector<Locale>& locales, |
| const std::vector<StringPiece>& split_locales, |
| const StringPiece& reference_locale) |
| : locales_(locales), |
| split_locales_(split_locales), |
| reference_locale_(reference_locale.ToString()) {} |
| |
| const std::vector<Locale> locales_; |
| const std::vector<StringPiece> split_locales_; |
| const std::string reference_locale_; |
| }; |
| } // namespace libtextclassifier3 |
| |
| #endif // LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_ |