1 /* 2 * Copyright (c) 2021-2024 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_LOCALE_UTIL_H 16 #define OHOS_GLOBAL_I18N_LOCALE_UTIL_H 17 18 #include <string> 19 #include "locale_info.h" 20 21 namespace OHOS { 22 namespace Global { 23 namespace I18n { 24 class LocaleUtil { 25 public: 26 static bool IsRTL(const std::string &locale); 27 static uint16_t EncodeLanguageByLocaleInfo(const LocaleInfo *locale); 28 static uint32_t EncodeScriptByLocaleInfo(const LocaleInfo *locale); 29 static uint16_t EncodeRegionByLocaleInfo(const LocaleInfo *locale); 30 static uint16_t EncodeLanguage(const char *language); 31 static uint32_t EncodeScript(const char *script); 32 static uint16_t EncodeRegion(const char *region); 33 static uint64_t EncodeLocale(const char *language, const char *script, const char *region); 34 static bool IsStrEmpty(const char *s); 35 static void DecodeScript(uint32_t encodeScript, char *outValue); 36 static bool IsAlphaString(const char *s, int32_t len); 37 static bool IsNumericString(const char *s, int32_t len); 38 39 private: 40 static uint16_t EncodeLanguageOrRegion(const char *str, char base); 41 static constexpr uint16_t NULL_LANGUAGE = 0x00; 42 static constexpr uint16_t NULL_REGION = 0x00; 43 static constexpr uint16_t NULL_SCRIPT = 0x0000; 44 }; 45 } // namespace I18n 46 } // namespace Global 47 } // namespace OHOS 48 #endif 49