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 "res_locale.h" 20 #include "rstate.h" 21 #include <dirent.h> 22 #include <set> 23 #include <vector> 24 25 namespace OHOS { 26 namespace Global { 27 namespace Resource { 28 enum BitOperatorNum { 29 BIT_TWO = 2, 30 BIT_THREE = 3, 31 BIT_FOUR = 4, 32 BIT_FIVE = 5, 33 BIT_SIX = 6, 34 BIT_EIGHT = 8, 35 BIT_TWELVE = 12, 36 BIT_SIXTEEN = 16, 37 BIT_TWENTY = 20, 38 BIT_TWENTY_FOUR = 24, 39 BIT_TWENTY_EIGHT = 28, 40 BIT_FORTY_EIGHT = 48 41 }; 42 43 enum ArrayIndex { 44 INDEX_ZERO = 0, 45 INDEX_ONE = 1, 46 INDEX_TWO = 2, 47 INDEX_THREE = 3, 48 INDEX_FOUR = 4, 49 INDEX_FIVE = 5, 50 INDEX_SIX = 6, 51 INDEX_SEVEN = 7, 52 INDEX_EIGHT = 8 53 }; 54 55 enum ArrayLen { 56 LEN_THREE = 3, 57 LEN_FOUR = 4, 58 LEN_FIVE = 5, 59 LEN_SEVEN = 7, 60 LEN_NINE = 9 61 }; 62 class Utils { 63 public: 64 static bool IsAlphaString(const char *s, int32_t len); 65 66 static bool IsNumericString(const char *s, int32_t len); 67 68 static bool IsStrEmpty(const char *s); 69 70 static size_t StrLen(const char *s); 71 72 static uint16_t EncodeLanguage(const char *language); 73 74 static uint16_t EncodeLanguageByResLocale(const ResLocale *locale); 75 76 static uint32_t EncodeScript(const char *script); 77 78 static uint32_t EncodeScriptByResLocale(const ResLocale *locale); 79 80 static void DecodeScript(uint32_t encodeScript, char *outValue); 81 82 static uint16_t EncodeRegion(const char *region); 83 84 static uint16_t EncodeRegionByResLocale(const ResLocale *locale); 85 86 static uint64_t EncodeLocale(const char *language, 87 const char *script, 88 const char *region); 89 90 static RState ConvertColorToUInt32(const char *s, uint32_t &outValue); 91 92 static std::unique_ptr<uint8_t[]> LoadResourceFile(const std::string &path, size_t &len); 93 94 static RState EncodeBase64(std::unique_ptr<uint8_t[]> &data, int srcLen, 95 const std::string &imgType, std::string &outValue); 96 97 static constexpr float DPI_BASE = 160.0f; 98 99 static bool endWithTail(const std::string& path, const std::string& tail); 100 101 static bool IsFileExist(const std::string& filePath); 102 103 static bool ContainsTail(std::string hapPath, std::set<std::string> tailSet); 104 105 static const std::set<std::string> tailSet; 106 107 static RState GetMediaBase64Data(const std::string& iconPath, std::string &base64Data); 108 109 static void CanonicalizePath(const char *path, char *outPath, size_t len); 110 111 static RState GetFiles(const std::string &strCurrentDir, std::vector<std::string> &vFiles); 112 113 static bool convertToInteger(const std::string& str, int& outValue); 114 115 static bool convertToUnsignedLong(const std::string& str, unsigned long& outValue); 116 117 static bool convertToDouble(const std::string& str, double& outValue); 118 private: 119 static bool IsValidValue(const char* end, const std::string& str); 120 static uint16_t EncodeLanguageOrRegion(const char *str, char base); 121 122 static bool StrCompare(const char *left, const char *right, size_t len, bool isCaseSensitive); 123 static constexpr uint64_t ROOT_LOCALE = 0x0; 124 static constexpr uint16_t NULL_LANGUAGE = 0x00; 125 static constexpr uint16_t NULL_REGION = 0x00; 126 static constexpr uint16_t NULL_SCRIPT = 0x0000; 127 static constexpr uint64_t NULL_LOCALE = 0x0; 128 }; 129 } // namespace Resource 130 } // namespace Global 131 } // namespace OHOS 132 #endif