1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef APKASSETS_H_ 18 #define APKASSETS_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include "android-base/macros.h" 24 #include "ziparchive/zip_archive.h" 25 26 #include "androidfw/Asset.h" 27 #include "androidfw/LoadedArsc.h" 28 #include "androidfw/misc.h" 29 30 namespace android { 31 32 // Holds an APK. 33 class ApkAssets { 34 public: 35 static std::unique_ptr<const ApkAssets> Load(const std::string& path, bool system = false); 36 static std::unique_ptr<const ApkAssets> LoadAsSharedLibrary(const std::string& path, 37 bool system = false); 38 39 std::unique_ptr<Asset> Open(const std::string& path, 40 Asset::AccessMode mode = Asset::AccessMode::ACCESS_RANDOM) const; 41 42 bool ForEachFile(const std::string& path, 43 const std::function<void(const StringPiece&, FileType)>& f) const; 44 GetPath()45 inline const std::string& GetPath() const { return path_; } 46 GetLoadedArsc()47 inline const LoadedArsc* GetLoadedArsc() const { return loaded_arsc_.get(); } 48 49 private: 50 DISALLOW_COPY_AND_ASSIGN(ApkAssets); 51 52 static std::unique_ptr<const ApkAssets> LoadImpl(const std::string& path, bool system, 53 bool load_as_shared_library); 54 55 ApkAssets() = default; 56 57 struct ZipArchivePtrCloser { operatorZipArchivePtrCloser58 void operator()(::ZipArchiveHandle handle) { ::CloseArchive(handle); } 59 }; 60 61 using ZipArchivePtr = 62 std::unique_ptr<typename std::remove_pointer<::ZipArchiveHandle>::type, ZipArchivePtrCloser>; 63 64 ZipArchivePtr zip_handle_; 65 std::string path_; 66 std::unique_ptr<Asset> resources_asset_; 67 std::unique_ptr<const LoadedArsc> loaded_arsc_; 68 }; 69 70 } // namespace android 71 72 #endif /* APKASSETS_H_ */ 73