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/************************************************************************
*
* Copyright (C) 2025 IRCAD France
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#pragma once
#include <type_traits>
/**
* @brief This is a set of operators for enum classes, so we are allowed to use bitwise operations on them.
*
*/
//------------------------------------------------------------------------------
template<typename T, typename = typename std::enable_if_t<std::is_enum<T>::value, T> >
constexpr T operator|(T _lhs, T _rhs)
{
return static_cast<T>(static_cast<std::underlying_type_t<T> >(_lhs)
| static_cast<std::underlying_type_t<T> >(_rhs));
}
//------------------------------------------------------------------------------
template<typename T, typename = typename std::enable_if_t<std::is_enum<T>::value, T> >
constexpr T operator&(T _lhs, T _rhs)
{
return static_cast<T>(static_cast<std::underlying_type_t<T> >(_lhs)
& static_cast<std::underlying_type_t<T> >(_rhs));
}
//------------------------------------------------------------------------------
template<typename T, typename = typename std::enable_if_t<std::is_enum<T>::value, T> >
constexpr T operator^(T _lhs, T _rhs)
{
return static_cast<T>(static_cast<std::underlying_type_t<T> >(_lhs)
^ static_cast<std::underlying_type_t<T> >(_rhs));
}
//------------------------------------------------------------------------------
template<typename T, typename = typename std::enable_if_t<std::is_enum<T>::value, T> >
constexpr T operator~(T _rhs)
{
return static_cast<T>(~static_cast<std::underlying_type_t<T> >(_rhs));
}
//------------------------------------------------------------------------------
template<typename T, typename = typename std::enable_if_t<std::is_enum<T>::value, T> >
constexpr T& operator|=(T& _lhs, const T& _rhs)
{
return _lhs = _lhs | _rhs;
}
//------------------------------------------------------------------------------
template<typename T, typename = typename std::enable_if_t<std::is_enum<T>::value, T> >
constexpr T& operator&=(T& _lhs, const T& _rhs)
{
return _lhs = _lhs & _rhs;
}
//------------------------------------------------------------------------------
template<typename T, typename = typename std::enable_if_t<std::is_enum<T>::value, T> >
constexpr T& operator^=(T& _lhs, const T& _rhs)
{
return _lhs = _lhs ^ _rhs;
}
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