// boost/detail/bitmask.hpp ------------------------------------------------// | |
// Copyright Beman Dawes 2006 | |
// Distributed under the Boost Software License, Version 1.0 | |
// http://www.boost.org/LICENSE_1_0.txt | |
// Usage: enum foo { a=1, b=2, c=4 }; | |
// BOOST_BITMASK( foo ); | |
// | |
// void f( foo arg ); | |
// ... | |
// f( a | c ); | |
#ifndef BOOST_BITMASK_HPP | |
#define BOOST_BITMASK_HPP | |
#include <boost/cstdint.hpp> | |
#define BOOST_BITMASK(Bitmask) \ | |
\ | |
inline Bitmask operator| (Bitmask x , Bitmask y ) \ | |
{ return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \ | |
| static_cast<boost::int_least32_t>(y)); } \ | |
\ | |
inline Bitmask operator& (Bitmask x , Bitmask y ) \ | |
{ return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \ | |
& static_cast<boost::int_least32_t>(y)); } \ | |
\ | |
inline Bitmask operator^ (Bitmask x , Bitmask y ) \ | |
{ return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \ | |
^ static_cast<boost::int_least32_t>(y)); } \ | |
\ | |
inline Bitmask operator~ (Bitmask x ) \ | |
{ return static_cast<Bitmask>(~static_cast<boost::int_least32_t>(x)); } \ | |
\ | |
inline Bitmask & operator&=(Bitmask & x , Bitmask y) \ | |
{ x = x & y ; return x ; } \ | |
\ | |
inline Bitmask & operator|=(Bitmask & x , Bitmask y) \ | |
{ x = x | y ; return x ; } \ | |
\ | |
inline Bitmask & operator^=(Bitmask & x , Bitmask y) \ | |
{ x = x ^ y ; return x ; } | |
#endif // BOOST_BITMASK_HPP | |