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 <memory> 21 #include "resource_item.h" 22 #include "restool_errors.h" 23 24 namespace OHOS { 25 namespace Global { 26 namespace Restool { 27 class ResourceTable { 28 public: 29 ResourceTable(); 30 virtual ~ResourceTable(); 31 uint32_t CreateResourceTable(); 32 uint32_t CreateResourceTable(const std::map<int32_t, std::vector<std::shared_ptr<ResourceItem>>> &items); 33 uint32_t LoadResTable(const std::string path, std::map<int32_t, std::vector<ResourceItem>> &resInfos); 34 private: 35 struct TableData { 36 int32_t id; 37 ResourceItem resourceItem; 38 }; 39 40 struct IndexHeader { 41 int8_t version[VERSION_MAX_LEN]; 42 uint32_t fileSize; 43 uint32_t limitKeyConfigSize; 44 }; 45 46 struct LimitKeyConfig { 47 int8_t keyTag[TAG_LEN] = {'K', 'E', 'Y', 'S'}; 48 uint32_t offset; // IdSet file address offset 49 uint32_t keyCount; // KeyParam count 50 std::vector<int32_t> data; 51 }; 52 53 struct IdSet { 54 int8_t idTag[TAG_LEN] = {'I', 'D', 'S', 'S'}; 55 uint32_t idCount; 56 std::map<int32_t, uint32_t> data; // pair id and offset 57 }; 58 59 struct RecordItem { 60 uint32_t size; 61 int32_t resType; 62 int32_t id; 63 }; 64 uint32_t SaveToResouorceIndex(const std::map<std::string, std::vector<TableData>> &configs) const; 65 uint32_t CreateIdDefined(const std::map<int32_t, std::vector<ResourceItem>> &allResource) const; 66 bool InitIndexHeader(IndexHeader &indexHeader, uint32_t count) const; 67 bool Prepare(const std::map<std::string, std::vector<TableData>> &configs, 68 std::map<std::string, LimitKeyConfig> &limitKeyConfigs, 69 std::map<std::string, IdSet> &idSets, uint32_t &pos) const; 70 bool SaveRecordItem(const std::map<std::string, std::vector<TableData>> &configs, std::ostringstream &out, 71 std::map<std::string, IdSet> &idSets, uint32_t &pos) const; 72 void SaveHeader(const IndexHeader &indexHeader, std::ostringstream &out) const; 73 void SaveLimitKeyConfigs(const std::map<std::string, LimitKeyConfig> &limitKeyConfigs, 74 std::ostringstream &out) const; 75 void SaveIdSets(const std::map<std::string, IdSet> &idSets, std::ostringstream &out) const; 76 bool ReadFileHeader(std::ifstream &in, IndexHeader &indexHeader, int32_t &pos, int32_t length) const; 77 bool ReadLimitKeys(std::ifstream &in, std::map<int32_t, std::vector<KeyParam>> &limitKeys, 78 uint32_t count, int32_t &pos, int32_t length) const; 79 bool ReadIdTables(std::ifstream &in, std::map<int32_t, std::pair<int32_t, int32_t>> &datas, 80 uint32_t count, int32_t &pos, int32_t length) const; 81 bool ReadDataRecordPrepare(std::ifstream &in, RecordItem &record, int32_t &pos, int32_t length) const; 82 bool ReadDataRecordStart(std::ifstream &in, RecordItem &record, 83 const std::map<int32_t, std::vector<KeyParam>> &limitKeys, 84 const std::map<int32_t, std::pair<int32_t, int32_t>> &datas, 85 std::map<int32_t, std::vector<ResourceItem>> &resInfos) const; 86 std::string indexFilePath_; 87 std::string idDefinedPath_; 88 }; 89 } 90 } 91 } 92 #endif