1 /* 2 * Copyright (c) 2021 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_RESOURCE_MANAGER_UTILS_H 16 #define OHOS_RESOURCE_MANAGER_UTILS_H 17 #include <cstddef> 18 #include <cstdint> 19 #include <set> 20 #include "res_locale.h" 21 #include "rstate.h" 22 23 namespace OHOS { 24 namespace Global { 25 namespace Resource { 26 class Utils { 27 public: 28 static bool IsAlphaString(const char *s, int32_t len); 29 30 static bool IsNumericString(const char *s, int32_t len); 31 32 static bool IsStrEmpty(const char *s); 33 34 static size_t StrLen(const char *s); 35 36 static uint16_t EncodeLanguage(const char *language); 37 38 static uint16_t EncodeLanguageByResLocale(const ResLocale *locale); 39 40 static uint32_t EncodeScript(const char *script); 41 42 static uint32_t EncodeScriptByResLocale(const ResLocale *locale); 43 44 static void DecodeScript(uint32_t encodeScript, char *outValue); 45 46 static uint16_t EncodeRegion(const char *region); 47 48 static uint16_t EncodeRegionByResLocale(const ResLocale *locale); 49 50 static uint64_t EncodeLocale(const char *language, 51 const char *script, 52 const char *region); 53 54 static RState ConvertColorToUInt32(const char *s, uint32_t &outValue); 55 56 static std::unique_ptr<uint8_t[]> LoadResourceFile(const std::string &path, int &len); 57 58 static RState EncodeBase64(std::unique_ptr<uint8_t[]> &data, int srcLen, 59 const std::string &imgType, std::string &outValue); 60 61 static constexpr float DPI_BASE = 160.0f; 62 63 static bool endWithTail(const std::string& path, const std::string& tail); 64 65 static bool isFileExist(const std::string& filePath); 66 67 static bool ContainsTail(std::string hapPath, std::set<std::string> tailSet); 68 69 static const std::set<std::string> tailSet; 70 private: 71 72 static uint16_t EncodeLanguageOrRegion(const char *str, char base); 73 74 static bool StrCompare(const char *left, const char *right, size_t len, bool isCaseSensitive); 75 static constexpr uint64_t ROOT_LOCALE = 0x0; 76 static constexpr uint16_t NULL_LANGUAGE = 0x00; 77 static constexpr uint16_t NULL_REGION = 0x00; 78 static constexpr uint16_t NULL_SCRIPT = 0x0000; 79 static constexpr uint64_t NULL_LOCALE = 0x0; 80 }; 81 } // namespace Resource 82 } // namespace Global 83 } // namespace OHOS 84 #endif