1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_ 18 #define LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_ 19 20 #include <string> 21 22 #include "utils/i18n/locale.h" 23 #include "utils/strings/split.h" 24 25 namespace libtextclassifier3 { 26 27 // Parses and hold data about locales (combined by delimiter ','). 28 class LocaleList { 29 public: 30 // Constructs the 31 // - Collection of locale tag from local_tags 32 // - Collection of Locale objects from a valid BCP47 tag. (If the tag is 33 // invalid, an object is created but return false for IsInvalid() call. 34 // - Assigns the first parsed locale to reference_locale. 35 static LocaleList ParseFrom(const std::string& locale_tags); 36 GetLocales()37 std::vector<Locale> GetLocales() const { return locales_; } GetLocaleTags()38 std::vector<StringPiece> GetLocaleTags() const { return split_locales_; } GetReferenceLocale()39 std::string GetReferenceLocale() const { return reference_locale_; } 40 41 private: LocaleList(const std::vector<Locale> & locales,const std::vector<StringPiece> & split_locales,const StringPiece & reference_locale)42 LocaleList(const std::vector<Locale>& locales, 43 const std::vector<StringPiece>& split_locales, 44 const StringPiece& reference_locale) 45 : locales_(locales), 46 split_locales_(split_locales), 47 reference_locale_(reference_locale.ToString()) {} 48 49 const std::vector<Locale> locales_; 50 const std::vector<StringPiece> split_locales_; 51 const std::string reference_locale_; 52 }; 53 } // namespace libtextclassifier3 54 55 #endif // LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_ 56