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This commit is contained in:
Andrei Astafev 2020-05-25 17:24:27 +03:00
parent d96ee1ee57
commit 395ffb080a
1 changed files with 40 additions and 5 deletions
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45
src/myx/base/enum_bitmask_operations.hpp
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@ -16,14 +16,49 @@ struct EnableBitMaskOperators
};
template< typename Enum >
typename std::enable_if< EnableBitMaskOperators< Enum >::k_Enable, Enum >::type
typename std::enable_if< EnableBitMaskOperators< Enum >::kEnable, Enum >::type
operator ~( Enum e )
{
using Underlying = typename std::underlying_type< Enum >::type;
return( static_cast< Enum >( ~static_cast< Underlying >( e ) ) );
}
template< typename Enum >
typename std::enable_if< EnableBitMaskOperators< Enum >::kEnable, Enum >::type
operator |( Enum lhs, Enum rhs )
{
using Underlying = typename std::underlying_type< Enum >::type;
return( static_cast< Enum >(
static_cast< Underlying >( lhs ) |
static_cast< Underlying >( rhs )
) );
return( static_cast< Enum >( static_cast< Underlying >( lhs ) | static_cast< Underlying >( rhs ) ) );
}
template< typename Enum >
typename std::enable_if< EnableBitMaskOperators< Enum >::kEnable, typename std::add_lvalue_reference< Enum >::type >::type
operator |=( Enum& lhs, Enum rhs )
{
using Underlying = typename std::underlying_type< Enum >::type;
lhs = static_cast< Enum >( static_cast< Underlying >( lhs ) | static_cast< Underlying >( rhs ) );
return( lhs );
}
template< typename Enum >
typename std::enable_if< EnableBitMaskOperators< Enum >::kEnable, Enum >::type
operator &( Enum lhs, Enum rhs )
{
using Underlying = typename std::underlying_type< Enum >::type;
return( static_cast< Enum >( static_cast< Underlying >( lhs ) & static_cast< Underlying >( rhs ) ) );
}
template< typename Enum >
typename std::enable_if< EnableBitMaskOperators< Enum >::kEnable, typename std::add_lvalue_reference< Enum >::type >::type
operator &=( Enum& lhs, Enum rhs )
{
using Underlying = typename std::underlying_type< Enum >::type;
lhs = static_cast< Enum >( static_cast< Underlying >( lhs ) & static_cast< Underlying >( rhs ) );
return( lhs );
}
} // namespace base