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https://github.com/portapack-mayhem/mayhem-firmware.git
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12b8a1b2a9
This paves the way for writing metadata files with similar prefixes, and avoids confusing numbering of capture files with different extensions (e.g. BAD_0000.S16 and BBD_0000.S8).
120 lines
2.9 KiB
C++
120 lines
2.9 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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#ifndef __FILE_H__
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#define __FILE_H__
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#include "ff.h"
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#include <cstddef>
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#include <string>
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#include <array>
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#include <memory>
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#include <iterator>
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class File {
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public:
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~File();
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bool open_for_writing(const std::string& file_path);
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bool open_for_reading(const std::string& file_path);
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bool open_for_append(const std::string& file_path);
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bool close();
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bool is_ready();
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bool read(void* const data, const size_t bytes_to_read);
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bool write(const void* const data, const size_t bytes_to_write);
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template<size_t N>
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bool write(const std::array<uint8_t, N>& data) {
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return write(data.data(), N);
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}
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bool puts(const std::string& string);
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bool sync();
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private:
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FIL f;
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};
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std::string next_filename_stem_matching_pattern(const std::string& filename_stem_pattern);
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namespace std {
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namespace filesystem {
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using file_status = BYTE;
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struct directory_entry : public FILINFO {
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file_status status() const {
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return fattrib;
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}
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const std::string path() const noexcept { return fname; };
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};
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class directory_iterator {
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struct Impl {
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DIR dir;
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directory_entry filinfo;
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~Impl() {
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f_closedir(&dir);
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}
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};
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std::shared_ptr<Impl> impl;
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friend bool operator!=(const directory_iterator& lhs, const directory_iterator& rhs);
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public:
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using difference_type = std::ptrdiff_t;
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using value_type = directory_entry;
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using pointer = const directory_entry*;
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using reference = const directory_entry&;
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using iterator_category = std::input_iterator_tag;
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directory_iterator() noexcept { };
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directory_iterator(const char* path, const char* wild);
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~directory_iterator() { }
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directory_iterator& operator++();
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reference operator*() const {
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// TODO: Exception or assert if impl == nullptr.
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return impl->filinfo;
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}
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};
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inline const directory_iterator& begin(const directory_iterator& iter) noexcept { return iter; };
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inline directory_iterator end(const directory_iterator&) noexcept { return { }; };
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inline bool operator!=(const directory_iterator& lhs, const directory_iterator& rhs) { return lhs.impl != rhs.impl; };
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bool is_regular_file(const file_status s);
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} /* namespace filesystem */
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} /* namespace std */
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#endif/*__FILE_H__*/
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