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 16 #ifndef OHOS_RESTOOL_RESOURCE_TABLE_H 17 #define OHOS_RESTOOL_RESOURCE_TABLE_H 18 19 #include <fstream> 20 #include "resource_item.h" 21 #include "restool_errors.h" 22 23 namespace OHOS { 24 namespace Global { 25 namespace Restool { 26 class ResourceTable { 27 public: 28 ResourceTable(); 29 virtual ~ResourceTable(); 30 uint32_t CreateResourceTable(); 31 uint32_t LoadResTable(const std::string path, std::map<int32_t, std::vector<ResourceItem>> &resInfos); 32 private: 33 struct TableData { 34 int32_t id; 35 ResourceItem resourceItem; 36 }; 37 38 struct IndexHeader { 39 int8_t version[VERSION_MAX_LEN]; 40 uint32_t fileSize; 41 uint32_t limitKeyConfigSize; 42 }; 43 44 struct LimitKeyConfig { 45 int8_t keyTag[TAG_LEN] = {'K', 'E', 'Y', 'S'}; 46 uint32_t offset; // IdSet file address offset 47 uint32_t keyCount; // KeyParam count 48 std::vector<int32_t> data; 49 }; 50 51 struct IdSet { 52 int8_t idTag[TAG_LEN] = {'I', 'D', 'S', 'S'}; 53 uint32_t idCount; 54 std::map<int32_t, uint32_t> data; // pair id and offset 55 }; 56 57 struct RecordItem { 58 uint32_t size; 59 int32_t resType; 60 int32_t id; 61 }; 62 uint32_t SaveToResouorceIndex(const std::map<std::string, std::vector<TableData>> &configs) const; 63 bool InitIndexHeader(IndexHeader &indexHeader, uint32_t count) const; 64 bool Prepare(const std::map<std::string, std::vector<TableData>> &configs, 65 std::map<std::string, LimitKeyConfig> &limitKeyConfigs, 66 std::map<std::string, IdSet> &idSets, uint32_t &pos) const; 67 bool SaveRecordItem(const std::map<std::string, std::vector<TableData>> &configs, std::ofstream &out, 68 std::map<std::string, IdSet> &idSets, uint32_t &pos) const; 69 void SaveHeader(const IndexHeader &indexHeader, std::ofstream &out) const; 70 void SaveLimitKeyConfigs(const std::map<std::string, LimitKeyConfig> &limitKeyConfigs, std::ofstream &out) const; 71 void SaveIdSets(const std::map<std::string, IdSet> &idSets, std::ofstream &out) const; 72 bool ReadFileHeader(std::ifstream &in, IndexHeader &indexHeader, int32_t &pos, int32_t length) const; 73 bool ReadLimitKeys(std::ifstream &in, std::map<int32_t, std::vector<KeyParam>> &limitKeys, 74 uint32_t count, int32_t &pos, int32_t length) const; 75 bool ReadIdTables(std::ifstream &in, std::map<int32_t, std::pair<int32_t, int32_t>> &datas, 76 uint32_t count, int32_t &pos, int32_t length) const; 77 bool ReadDataRecordPrepare(std::ifstream &in, RecordItem &record, int32_t &pos, int32_t length) const; 78 bool ReadDataRecordStart(std::ifstream &in, RecordItem &record, 79 const std::map<int32_t, std::vector<KeyParam>> &limitKeys, 80 const std::map<int32_t, std::pair<int32_t, int32_t>> &datas, 81 std::map<int32_t, std::vector<ResourceItem>> &resInfos) const; 82 std::string indexFilePath_; 83 }; 84 } 85 } 86 } 87 #endif