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|---|---|---|
| 7c673cae FG |
1 | |
| 2 | #ifndef BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED | |
| 3 | #define BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED | |
| 4 | ||
| 5 | // Copyright Aleksey Gurtovoy 2003-2007 | |
| 6 | // Copyright David Abrahams 2003-2004 | |
| 7 | // | |
| 8 | // Distributed under the Boost Software License, Version 1.0. | |
| 9 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 10 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 11 | // | |
| 12 | // See http://www.boost.org/libs/mpl for documentation. | |
| 13 | ||
| 14 | // $Id$ | |
| 15 | // $Date$ | |
| 16 | // $Revision$ | |
| 17 | ||
| 18 | #include <boost/mpl/long.hpp> | |
| 19 | #include <boost/mpl/void.hpp> | |
| 20 | #include <boost/mpl/next.hpp> | |
| 21 | #include <boost/mpl/prior.hpp> | |
| 22 | #include <boost/mpl/set/aux_/set0.hpp> | |
| 23 | #include <boost/mpl/aux_/type_wrapper.hpp> | |
| 24 | #include <boost/mpl/aux_/config/arrays.hpp> | |
| 25 | ||
| 26 | namespace boost { namespace mpl { | |
| 27 | ||
| 28 | template< typename T, typename Base > | |
| 29 | struct s_item | |
| 30 | : Base | |
| 31 | { | |
| 32 | typedef s_item<T,Base> item_; | |
| 33 | typedef void_ last_masked_; | |
| 34 | typedef T item_type_; | |
| 35 | typedef typename Base::item_ base; | |
| 36 | typedef s_item type; | |
| 37 | ||
| 38 | typedef typename next< typename Base::size >::type size; | |
| 39 | typedef typename next< typename Base::order >::type order; | |
| 40 | ||
| 41 | #if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) | |
| 42 | typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_; | |
| 43 | #else | |
| 44 | typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value]; | |
| 45 | #endif | |
| 46 | ||
| 47 | BOOST_MPL_AUX_SET_OVERLOAD( order_tag_, ORDER_BY_KEY, s_item, aux::type_wrapper<T>* ); | |
| 48 | BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_item, aux::type_wrapper<T>* ); | |
| 49 | }; | |
| 50 | ||
| 51 | ||
| 52 | template< typename T, typename Base > | |
| 53 | struct s_mask | |
| 54 | : Base | |
| 55 | { | |
| 56 | typedef s_mask<T,Base> item_; | |
| 57 | typedef T last_masked_; | |
| 58 | typedef void_ item_type_; | |
| 59 | typedef typename Base::item_ base; | |
| 60 | typedef typename prior< typename Base::size >::type size; | |
| 61 | typedef s_mask type; | |
| 62 | ||
| 63 | BOOST_MPL_AUX_SET_OVERLOAD( aux::yes_tag, IS_MASKED, s_mask, aux::type_wrapper<T>* ); | |
| 64 | }; | |
| 65 | ||
| 66 | ||
| 67 | template< typename T, typename Base > | |
| 68 | struct s_unmask | |
| 69 | : Base | |
| 70 | { | |
| 71 | typedef s_unmask<T,Base> item_; | |
| 72 | typedef void_ last_masked_; | |
| 73 | typedef T item_type_; | |
| 74 | typedef typename Base::item_ base; | |
| 75 | typedef typename next< typename Base::size >::type size; | |
| 76 | ||
| 77 | BOOST_MPL_AUX_SET_OVERLOAD( aux::no_tag, IS_MASKED, s_unmask, aux::type_wrapper<T>* ); | |
| 78 | }; | |
| 79 | ||
| 80 | }} | |
| 81 | ||
| 82 | #endif // BOOST_MPL_SET_AUX_ITEM_HPP_INCLUDED |