You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.8 KiB
55 lines
1.8 KiB
/*
|
|
* Copyright (C) 2020 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <memory>
|
|
|
|
#include <utils/Errors.h>
|
|
#include <vintf/Dirmap.h>
|
|
#include <vintf/FileSystem.h>
|
|
|
|
namespace android::vintf::details {
|
|
|
|
// A FileSystem object that uses Dirmap to redirect reads.
|
|
// FileSystem is read via the internal impl.
|
|
class HostFileSystem : public FileSystemImpl {
|
|
public:
|
|
// Use FileSystemImpl for any actual reads.
|
|
HostFileSystem(const Dirmap& dirmap, status_t missingError);
|
|
// Use |impl| for any actual reads. Does not own impl.
|
|
HostFileSystem(const Dirmap& dirmap, status_t missingError, FileSystem* impl);
|
|
// Use |impl| for any actual reads. Owns impl.
|
|
HostFileSystem(const Dirmap& dirmap, status_t missingError, std::unique_ptr<FileSystem>&& impl);
|
|
|
|
status_t fetch(const std::string& path, std::string* fetched,
|
|
std::string* error) const override;
|
|
|
|
status_t listFiles(const std::string& path, std::vector<std::string>* out,
|
|
std::string* error) const override;
|
|
|
|
private:
|
|
std::string resolve(const std::string& path, std::string* error) const;
|
|
|
|
Dirmap mDirMap;
|
|
status_t mMissingError;
|
|
|
|
std::unique_ptr<FileSystem> mImplUniq;
|
|
FileSystem* mImpl;
|
|
};
|
|
|
|
} // namespace android::vintf::details
|