1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef UPDATE_UI_LANGUAGE_UI_H 16 #define UPDATE_UI_LANGUAGE_UI_H 17 18 #ifdef UPDATER_UI_SUPPORT 19 #include <string> 20 #include <unordered_map> 21 #include <vector> 22 #include "json_visitor.h" 23 #include "language_ui_msg_id.h" 24 #include "language/language_ui.h" 25 #include "updater_ui_traits.h" 26 27 namespace Updater { 28 namespace Lang { 29 enum class Language { 30 CHINESE = 0, 31 ENGLISH = 1, 32 SPANISH = 2 33 }; 34 35 class LanguageUI final { 36 DISALLOW_COPY_MOVE(LanguageUI); 37 public: 38 static LanguageUI &GetInstance(); 39 [[nodiscard]] bool Init(Language language); 40 const std::string &Translate(const std::string &key) const; 41 [[nodiscard]] bool LoadLangRes(const JsonNode &node); 42 Language ParseLanguage() const; 43 Language GetCurLanguage() const; 44 void SetDefaultLanguage(Language language); 45 Language ParseLangIfZh(const std::string &globalLang) const; 46 private: 47 ~LanguageUI() = default; 48 LanguageUI(); 49 bool Parse(); 50 bool SetRes(const Res &res); 51 bool CheckLevel(int level); 52 bool ParseJson(const std::string &file); 53 std::unordered_map<std::string, std::string> strMap_; 54 std::vector<std::string> res_; 55 LangResource langRes_; 56 Language language_; 57 Language defaultLanguage_ = Language::ENGLISH; 58 static constexpr auto LANG_RES_KEY = "locale"; 59 const static std::unordered_map<std::string, Language> LOCALES; 60 }; 61 } 62 63 #define TR(tag) Lang::LanguageUI::GetInstance().Translate(STRINGFY(tag)) 64 } // namespace Updater 65 #else 66 #define TR(tag) "" 67 #endif 68 #endif /* UPDATE_UI_HOS_UPDATER_H */ 69