Chris@16: //  boost/detail/bitmask.hpp  ------------------------------------------------//
Chris@16: 
Chris@16: //  Copyright Beman Dawes 2006
Chris@16: 
Chris@16: //  Distributed under the Boost Software License, Version 1.0
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt
Chris@16: 
Chris@16: //  Usage:  enum foo { a=1, b=2, c=4 };
Chris@16: //          BOOST_BITMASK( foo );
Chris@16: //
Chris@16: //          void f( foo arg );
Chris@16: //          ...
Chris@16: //          f( a | c );
Chris@16: 
Chris@16: #ifndef BOOST_BITMASK_HPP
Chris@16: #define BOOST_BITMASK_HPP
Chris@16: 
Chris@16: #include <boost/cstdint.hpp>
Chris@16: 
Chris@16: #define BOOST_BITMASK(Bitmask)                                            \
Chris@16:                                                                           \
Chris@16:   inline Bitmask operator| (Bitmask x , Bitmask y )                       \
Chris@16:   { return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x)     \
Chris@16:       | static_cast<boost::int_least32_t>(y)); }                          \
Chris@16:                                                                           \
Chris@16:   inline Bitmask operator& (Bitmask x , Bitmask y )                       \
Chris@16:   { return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x)     \
Chris@16:       & static_cast<boost::int_least32_t>(y)); }                          \
Chris@16:                                                                           \
Chris@16:   inline Bitmask operator^ (Bitmask x , Bitmask y )                       \
Chris@16:   { return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x)     \
Chris@16:       ^ static_cast<boost::int_least32_t>(y)); }                          \
Chris@16:                                                                           \
Chris@16:   inline Bitmask operator~ (Bitmask x )                                   \
Chris@16:   { return static_cast<Bitmask>(~static_cast<boost::int_least32_t>(x)); } \
Chris@16:                                                                           \
Chris@16:   inline Bitmask & operator&=(Bitmask & x , Bitmask y)                    \
Chris@16:   { x = x & y ; return x ; }                                              \
Chris@16:                                                                           \
Chris@16:   inline Bitmask & operator|=(Bitmask & x , Bitmask y)                    \
Chris@16:   { x = x | y ; return x ; }                                              \
Chris@16:                                                                           \
Chris@16:   inline Bitmask & operator^=(Bitmask & x , Bitmask y)                    \
Chris@16:   { x = x ^ y ; return x ; }                                              
Chris@16: 
Chris@16: #endif // BOOST_BITMASK_HPP
Chris@16: