mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-14 12:08:40 +00:00
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "file.hpp"
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File::~File() {
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close();
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}
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bool File::open_for_writing(const std::string& file_path) {
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const auto open_result = f_open(&f, file_path.c_str(), FA_WRITE | FA_OPEN_ALWAYS);
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return (open_result == FR_OK);
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}
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bool File::open_for_reading(const std::string& file_path) {
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const auto open_result = f_open(&f, file_path.c_str(), FA_READ | FA_OPEN_EXISTING);
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return (open_result == FR_OK);
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}
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bool File::open_for_append(const std::string& file_path) {
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if( open_for_writing(file_path) ) {
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const auto seek_result = f_lseek(&f, f_size(&f));
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if( seek_result == FR_OK ) {
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return true;
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} else {
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close();
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}
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}
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return false;
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}
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bool File::close() {
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f_close(&f);
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return true;
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}
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bool File::is_ready() {
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return f_error(&f) == 0;
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}
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bool File::read(void* const data, const size_t bytes_to_read) {
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UINT bytes_read = 0;
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const auto result = f_read(&f, data, bytes_to_read, &bytes_read);
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return (result == FR_OK) && (bytes_read == bytes_to_read);
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}
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bool File::write(const void* const data, const size_t bytes_to_write) {
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UINT bytes_written = 0;
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const auto result = f_write(&f, data, bytes_to_write, &bytes_written);
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return (result == FR_OK) && (bytes_written == bytes_to_write);
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}
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bool File::puts(const std::string& string) {
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const auto result = f_puts(string.c_str(), &f);
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return (result >= 0);
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}
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bool File::sync() {
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const auto result = f_sync(&f);
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return (result == FR_OK);
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}
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namespace std {
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namespace filesystem {
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directory_iterator::directory_iterator(
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const char* path,
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const char* wild
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) {
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impl = std::make_shared<Impl>();
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const auto result = f_findfirst(&impl->dir, &impl->filinfo, path, wild);
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if( result != FR_OK ) {
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impl.reset();
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// TODO: Throw exception if/when I enable exceptions...
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}
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}
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directory_iterator& directory_iterator::operator++() {
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const auto result = f_findnext(&impl->dir, &impl->filinfo);
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if( (result != FR_OK) || (impl->filinfo.fname[0] == 0) ) {
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impl.reset();
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}
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return *this;
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}
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bool is_regular_file(const file_status s) {
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return !(s & AM_DIR);
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}
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} /* namespace filesystem */
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} /* namespace std */
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