portapack-mayhem/firmware/application/file.cpp

76 lines
2.0 KiB
C++

/*
* Copyright (C) 2015 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.
*/
#include "file.hpp"
File::~File() {
close();
}
bool File::open(const std::string& file_path) {
const auto open_result = f_open(&f, file_path.c_str(), FA_WRITE | FA_OPEN_ALWAYS);
return (open_result == FR_OK);
}
bool File::open_for_append(const std::string& file_path) {
if( open(file_path) ) {
const auto seek_result = f_lseek(&f, f_size(&f));
if( seek_result == FR_OK ) {
return true;
} else {
close();
}
}
return false;
}
bool File::close() {
f_close(&f);
return true;
}
bool File::is_ready() {
return f_error(&f) == 0;
}
bool File::read(void* const data, const size_t bytes_to_read) {
UINT bytes_read = 0;
const auto result = f_read(&f, data, bytes_to_read, &bytes_read);
return (result == FR_OK) && (bytes_read == bytes_to_read);
}
bool File::write(const void* const data, const size_t bytes_to_write) {
UINT bytes_written = 0;
const auto result = f_write(&f, data, bytes_to_write, &bytes_written);
return (result == FR_OK) && (bytes_written == bytes_to_write);
}
bool File::puts(const std::string& string) {
const auto result = f_puts(string.c_str(), &f);
return (result >= 0);
}
bool File::sync() {
const auto result = f_sync(&f);
return (result == FR_OK);
}