mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 07:06:34 +00:00
85 lines
3.5 KiB
C++
85 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <stratosphere/fs/fs_common.hpp>
|
|
#include <stratosphere/fs/fs_istorage.hpp>
|
|
#include <stratosphere/fs/fsa/fs_ifile.hpp>
|
|
#include <stratosphere/fs/impl/fs_newable.hpp>
|
|
|
|
namespace ams::fs {
|
|
|
|
class FileStorage : public IStorage, public impl::Newable {
|
|
private:
|
|
static constexpr s64 InvalidSize = -1;
|
|
private:
|
|
std::unique_ptr<fsa::IFile> unique_file;
|
|
std::shared_ptr<fsa::IFile> shared_file;
|
|
fsa::IFile *base_file;
|
|
s64 size;
|
|
public:
|
|
FileStorage(fsa::IFile *f) : unique_file(f), size(InvalidSize) {
|
|
this->base_file = this->unique_file.get();
|
|
}
|
|
|
|
FileStorage(std::unique_ptr<fsa::IFile> f) : unique_file(std::move(f)), size(InvalidSize) {
|
|
this->base_file = this->unique_file.get();
|
|
}
|
|
|
|
FileStorage(std::shared_ptr<fsa::IFile> f) : shared_file(f), size(InvalidSize) {
|
|
this->base_file = this->shared_file.get();
|
|
}
|
|
|
|
virtual ~FileStorage() { /* ... */ }
|
|
protected:
|
|
Result UpdateSize();
|
|
public:
|
|
virtual Result Read(s64 offset, void *buffer, size_t size) override;
|
|
virtual Result Write(s64 offset, const void *buffer, size_t size) override;
|
|
virtual Result Flush() override;
|
|
virtual Result GetSize(s64 *out_size) override;
|
|
virtual Result SetSize(s64 size) override;
|
|
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override;
|
|
};
|
|
|
|
class FileHandleStorage : public IStorage, public impl::Newable {
|
|
private:
|
|
static constexpr s64 InvalidSize = -1;
|
|
private:
|
|
FileHandle handle;
|
|
bool close_file;
|
|
s64 size;
|
|
os::Mutex mutex;
|
|
public:
|
|
constexpr explicit FileHandleStorage(FileHandle handle, bool close_file) : handle(handle), close_file(close_file), size(InvalidSize), mutex(false) { /* ... */ }
|
|
constexpr explicit FileHandleStorage(FileHandle handle) : FileHandleStorage(handle, false) { /* ... */ }
|
|
|
|
virtual ~FileHandleStorage() override {
|
|
if (this->close_file) {
|
|
CloseFile(this->handle);
|
|
}
|
|
}
|
|
protected:
|
|
Result UpdateSize();
|
|
public:
|
|
virtual Result Read(s64 offset, void *buffer, size_t size) override;
|
|
virtual Result Write(s64 offset, const void *buffer, size_t size) override;
|
|
virtual Result Flush() override;
|
|
virtual Result GetSize(s64 *out_size) override;
|
|
virtual Result SetSize(s64 size) override;
|
|
virtual Result OperateRange(void *dst, size_t dst_size, OperationId op_id, s64 offset, s64 size, const void *src, size_t src_size) override;
|
|
};
|
|
|
|
}
|