Field.hpp

/*
U2FDevice - A program to allow Raspberry Pi Zeros to act as U2F tokens
Copyright (C) 2018  Michael Kuc

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 3 of the License, 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.  If not, see <https://www.gnu.org/licenses/>.
*/

#pragma once
#include <cstdint>
#include <vector>

template <typename Type>
std::vector<uint8_t> beEncode(const Type val);

std::vector<uint8_t> beEncode(const uint8_t* val, const std::size_t byteCount);

#define FIELD(name)                                                                                \
	reinterpret_cast<const uint8_t*>(&name),                                                       \
	    (reinterpret_cast<const uint8_t*>(&name) + sizeof(name))
#define FIELD_BE(name)                                                                             \
	reverse_iterator<const uint8_t*>(reinterpret_cast<const uint8_t*>(&name) + sizeof(name)),      \
	    reverse_iterator<const uint8_t*>(reinterpret_cast<const uint8_t*>(&name))