1 /* 2 * Copyright (c) 2024 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 CORE__IO__PROXY_FILESYSTEM_H 17 #define CORE__IO__PROXY_FILESYSTEM_H 18 19 #include <base/containers/string.h> 20 #include <base/containers/string_view.h> 21 #include <base/containers/vector.h> 22 #include <base/namespace.h> 23 #include <core/io/intf_directory.h> 24 #include <core/io/intf_file.h> 25 #include <core/io/intf_file_system.h> 26 #include <core/namespace.h> 27 28 CORE_BEGIN_NAMESPACE() 29 class FileManager; 30 31 /** File protocol. 32 * Protocol implementation that uses given protocol as proxy to destination uri, for example app:// to point in to 33 * application working directory. 34 */ 35 class ProxyFilesystem final : public IFilesystem { 36 public: 37 ProxyFilesystem(FileManager& fileManager, BASE_NS::string_view destination); 38 39 ProxyFilesystem() = delete; 40 ProxyFilesystem(ProxyFilesystem const&) = delete; 41 ProxyFilesystem& operator=(ProxyFilesystem const&) = delete; 42 43 ~ProxyFilesystem() override = default; 44 45 void RemoveSearchPath(BASE_NS::string_view destination); 46 47 IDirectory::Entry GetEntry(BASE_NS::string_view path) override; 48 IFile::Ptr OpenFile(BASE_NS::string_view path) override; 49 IFile::Ptr CreateFile(BASE_NS::string_view path) override; 50 bool DeleteFile(BASE_NS::string_view path) override; 51 52 IDirectory::Ptr OpenDirectory(BASE_NS::string_view path) override; 53 IDirectory::Ptr CreateDirectory(BASE_NS::string_view path) override; 54 bool DeleteDirectory(BASE_NS::string_view path) override; 55 56 bool Rename(BASE_NS::string_view fromPath, BASE_NS::string_view toPath) override; 57 58 BASE_NS::vector<BASE_NS::string> GetUriPaths(BASE_NS::string_view uri) const override; 59 60 void AppendSearchPath(BASE_NS::string_view path); 61 void PrependSearchPath(BASE_NS::string_view path); 62 63 protected: Destroy()64 void Destroy() override 65 { 66 delete this; 67 } 68 69 private: 70 FileManager& fileManager_; 71 BASE_NS::vector<BASE_NS::string> destinations_; 72 }; 73 CORE_END_NAMESPACE() 74 75 #endif // CORE__IO__PROXY_FILESYSTEM_H 76