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 OHOS_GLOBAL_I18N_TIMEZONE_H 16 #define OHOS_GLOBAL_I18N_TIMEZONE_H 17 18 #include <cstdint> 19 #include <map> 20 #include <mutex> 21 #include <png.h> 22 #include <set> 23 #include <string> 24 #include "i18n_types.h" 25 #include "memory" 26 #include "unicode/timezone.h" 27 #include <unordered_set> 28 #include <vector> 29 #include <tuple> 30 31 namespace OHOS { 32 namespace Global { 33 namespace I18n { 34 using GetReplacedTimezoneDisplayName = void (*)(const char*, const char*, char*); 35 36 class I18nTimeZone { 37 public: 38 I18nTimeZone(std::string &id, bool isZoneID); 39 virtual ~I18nTimeZone(); 40 int32_t GetOffset(double date); 41 int32_t GetRawOffset(); 42 std::string GetID(); 43 std::string GetDisplayName(); 44 std::string GetDisplayName(bool isDST); 45 std::string GetDisplayName(std::string localeStr); 46 std::string GetDisplayName(std::string localeStr, bool isDST); 47 virtual std::string GetDisplayNameByTaboo(const std::string& localeStr, const std::string& result); 48 static std::unique_ptr<I18nTimeZone> CreateInstance(std::string &id, bool isZoneID); 49 static std::set<std::string> GetAvailableIDs(I18nErrorCode &errorCode); 50 static std::unordered_set<std::string> GetAvailableZoneCityIDs(); 51 static std::string GetCityDisplayName(std::string &cityID, std::string &locale); 52 static std::vector<std::string> GetTimezoneIdByLocation(const double x, const double y); 53 static std::map<std::string, std::string> FindCityDisplayNameMap(std::string &locale); 54 static std::string GetLocaleBaseName(std::string &locale); 55 static std::string GetTimezoneIdByCityId(const std::string &cityId); 56 57 private: 58 static const char *TIMEZONE_KEY; 59 static const char *DEFAULT_TIMEZONE; 60 static const char *CITY_TIMEZONE_DATA_PATH; 61 static const char *DEVICE_CITY_TIMEZONE_DATA_PATH; 62 static const char *DISTRO_DEVICE_CITY_TIMEZONE_DATA_PATH; 63 static const char *TZ_PIXEL_PATH; 64 static const char *DISTRO_TZ_PIXEL_PATH; 65 static const char *DEFAULT_LOCALE; 66 static const char *CITY_DISPLAYNAME_PATH; 67 static const char *BASE_DEVICE_CITY_DISPLAYNAME_PATH; 68 static const char *DISTRO_DEVICE_CITY_DISPLAYNAME_PATH; 69 static const char *DISTRO_ROOT_DISPLAYNAME_PATH; 70 static const char *SUPPORTED_LOCALES_PATH; 71 static const char *TIMEZONE_ROOT_TAG; 72 static const char *TIMEZONE_SECOND_ROOT_TAG; 73 static const char *CITY_DISPLAYNAME_ROOT_TAG; 74 static const char *CITY_DISPLAYNAME_SECOND_ROOT_TAG; 75 static const uint32_t ELEMENT_NUM = 2; 76 static const uint32_t TZ_X_PLUS = 180; 77 static const uint32_t TZ_HALF_OF_SIZE = 2; 78 static const uint32_t TZ_MAX_PIXEL_VALUE = 255; 79 static constexpr double NUM_PRECISION = 0.1; 80 static std::set<std::string> supportedLocales; 81 static std::unordered_set<std::string> availableZoneCityIDs; 82 static std::unordered_map<std::string, std::string> city2TimeZoneID; 83 static std::unordered_map<std::string, std::string> cityDisplayNameCache; 84 static std::map<int, std::string> categoryNum2TimezoneWN; 85 static std::map<int, std::string> categoryNum2TimezoneEN; 86 static std::map<int, std::string> categoryNum2TimezoneWS; 87 static std::map<int, std::string> categoryNum2TimezoneES; 88 static std::map<std::string, std::string> BEST_MATCH_LOCALE; 89 static constexpr int SYS_PARAM_LEN = 128; 90 icu::TimeZone *timezone = nullptr; 91 static std::mutex matchLocaleMutex; 92 static std::mutex initZoneInfoMutex; 93 static std::mutex initSupportedLocalesMutex; 94 static std::mutex cityDisplayNameMutex; 95 static std::string cityDisplayNameCacheLocale; 96 static bool initAvailableZoneInfo; 97 static bool initSupportedLocales; 98 static bool ReadTimeZoneData(const char *xmlPath); 99 static std::string ComputeLocale(std::string &locale); 100 icu::TimeZone* GetTimeZone(); 101 static std::string FindCityDisplayNameFromXml(std::string &cityID, std::string &locale); 102 static std::string FindCityDisplayNameFromXmlInner(std::string &cityID, std::string &locale); 103 static void AddCityDisplayNameCache(const char* xmlCityId, const char* xmlValue); 104 static std::string ResetCityDisplayNameCache(std::string &cityID, std::string &locale); 105 static std::string GetCityDisplayNameFromCache(std::string &cityID); 106 static std::string GetCityDisplayNameXmlPath(const std::string &locale); 107 static bool GetSupportedLocales(); 108 static std::string GetFallBack(std::string &localeStr); 109 static void GetTimezoneIDFromZoneInfo(std::set<std::string> &availableIDs, std::string &parentPath, 110 std::string &parentName); 111 static std::vector<int> GetColorData(const uint16_t x, const uint16_t y, 112 uint16_t actualHeight, std::string preferredPath); 113 static int InitPngptr(png_structp &png_ptr, png_infop &info_ptr, FILE **fp, std::string preferredPath); 114 static std::vector<std::string> FindTzData(); 115 static bool ParamExceedScope(const int x, const int y, int fixedX, int fixedY); 116 static std::string GetPreferredPath(const double x, const std::vector<std::string> &filePaths); 117 static void SetVersionPathMap(std::string verison, std::string path, 118 std::map<std::string, std::vector<std::string>> *pathMap); 119 static std::tuple<uint32_t, uint32_t> GetTzDataWidth(std::vector<std::string> filePaths); 120 static void CloseFile(FILE *fp); 121 static bool ValidateDataIntegrity(const std::vector<std::string> &pathList); 122 static bool CheckLatitudeAndLongitude(const double x, const double y); 123 static std::map<int, std::string> GetTimeZoneCategoryMap(const double x, const double y); 124 static void SetBestMatchLocale(const std::string& key, const std::string& value); 125 static const char *GetDeviceCityDisplayNamePath(); 126 }; 127 } // namespace I18n 128 } // namespace Global 129 } // namespace OHOS 130 #endif