mayhem-firmware/firmware/application/io_file.hpp
Jared Boone 1bdca0fd8d Extract (some) Writer classes to separate files.
TODO: PNGWriter could probably reuse this stuff too, but...
2016-10-04 09:57:13 -07:00

58 lines
1.6 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 FileWriter : public 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 {
auto write_result = file.write(buffer, bytes) ;
if( write_result.is_ok() ) {
bytes_written += write_result.value();
}
return write_result;
}
protected:
File file;
uint64_t bytes_written { 0 };
};
using RawFileWriter = FileWriter;