| |
| #ifndef BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED |
| #define BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED |
| |
| // Copyright Aleksey Gurtovoy 2003-2007 |
| // Copyright David Abrahams 2003-2004 |
| // |
| // Distributed under the Boost Software License, Version 1.0. |
| // (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| // |
| // See http://www.boost.org/libs/mpl for documentation. |
| |
| // $Id: item.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
| // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
| // $Revision: 49267 $ |
| |
| #include <boost/mpl/long.hpp> |
| #include <boost/mpl/void.hpp> |
| #include <boost/mpl/next.hpp> |
| #include <boost/mpl/prior.hpp> |
| #include <boost/mpl/set/aux_/set0.hpp> |
| #include <boost/mpl/aux_/type_wrapper.hpp> |
| #include <boost/mpl/aux_/config/arrays.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| template< typename T, typename Base > |
| struct s_item |
| : Base |
| { |
| typedef s_item<T,Base> item_; |
| typedef void_ last_masked_; |
| typedef T item_type_; |
| typedef Base base; |
| |
| typedef typename next< typename Base::size >::type size; |
| typedef typename next< typename Base::order >::type order; |
| |
| #if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) |
| typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_; |
| #else |
| typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value]; |
| #endif |
| |
| BOOST_MPL_AUX_SET_OVERLOAD( order_tag_, ORDER_BY_KEY, s_item, aux::type_wrapper<T>* ); |
| BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_item, aux::type_wrapper<T>* ); |
| }; |
| |
| |
| template< typename T, typename Base > |
| struct s_mask |
| : Base |
| { |
| typedef s_mask<T,Base> item_; |
| typedef T last_masked_; |
| typedef void_ item_type_; |
| typedef Base base; |
| typedef typename prior< typename Base::size >::type size; |
| |
| BOOST_MPL_AUX_SET_OVERLOAD( aux::yes_tag, IS_MASKED, s_mask, aux::type_wrapper<T>* ); |
| }; |
| |
| |
| template< typename T, typename Base > |
| struct s_unmask |
| : Base |
| { |
| typedef s_unmask<T,Base> item_; |
| typedef void_ last_masked_; |
| typedef T item_type_; |
| typedef Base base; |
| typedef typename next< typename Base::size >::type size; |
| |
| BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_unmask, aux::type_wrapper<T>* ); |
| }; |
| |
| }} |
| |
| #endif // BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED |