portapack-mayhem/firmware/application/io_file.hpp

68 lines
1.8 KiB
C++

/*
* Copyright (C) 2016 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "io.hpp"
#include "file.hpp"
#include "optional.hpp"
#include <cstdint>
class FileReader : public stream::Reader {
public:
FileReader() = default;
FileReader(const FileReader&) = delete;
FileReader& operator=(const FileReader&) = delete;
FileReader(FileReader&& file) = delete;
FileReader& operator=(FileReader&&) = delete;
File::Result<File::Size> read(void* const buffer, const File::Size bytes) override;
protected:
File file { };
uint64_t bytes_read { 0 };
};
class FileWriter : public stream::Writer {
public:
FileWriter() = default;
FileWriter(const FileWriter&) = delete;
FileWriter& operator=(const FileWriter&) = delete;
FileWriter(FileWriter&& file) = delete;
FileWriter& operator=(FileWriter&&) = delete;
Optional<File::Error> create(const std::filesystem::path& filename) {
return file.create(filename);
}
File::Result<File::Size> write(const void* const buffer, const File::Size bytes) override;
protected:
File file { };
uint64_t bytes_written { 0 };
};
using RawFileWriter = FileWriter;