| |
| #ifndef BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED |
| #define BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED |
| |
| // Copyright Aleksey Gurtovoy 2003-2004 |
| // 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/void.hpp> |
| #include <boost/mpl/pair.hpp> |
| #include <boost/mpl/long.hpp> |
| #include <boost/mpl/next.hpp> |
| #include <boost/mpl/prior.hpp> |
| #include <boost/mpl/map/aux_/map0.hpp> |
| #include <boost/mpl/aux_/order_impl.hpp> |
| #include <boost/mpl/aux_/yes_no.hpp> |
| #include <boost/mpl/aux_/type_wrapper.hpp> |
| #include <boost/mpl/aux_/config/arrays.hpp> |
| #include <boost/mpl/aux_/config/typeof.hpp> |
| #include <boost/mpl/aux_/config/ctps.hpp> |
| |
| |
| namespace boost { namespace mpl { |
| |
| #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES) |
| |
| template< typename Key, typename T, typename Base > |
| struct m_item |
| : Base |
| { |
| typedef Key key_; |
| typedef pair<Key,T> item; |
| 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_MAP_OVERLOAD( aux::type_wrapper<T>, VALUE_BY_KEY, m_item, aux::type_wrapper<Key>* ); |
| BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<item>, ITEM_BY_ORDER, m_item, order* ); |
| BOOST_MPL_AUX_MAP_OVERLOAD( order_tag_, ORDER_BY_KEY, m_item, aux::type_wrapper<Key>* ); |
| }; |
| |
| |
| template< typename Key, typename Base > |
| struct m_mask |
| : Base |
| { |
| typedef void_ key_; |
| typedef Base base; |
| |
| typedef typename prior< typename Base::size >::type size; |
| typedef typename x_order_impl<Base,Key>::type key_order_; |
| |
| BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<void_>, VALUE_BY_KEY, m_mask, aux::type_wrapper<Key>* ); |
| BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<void_>, ITEM_BY_ORDER, m_mask, key_order_* ); |
| }; |
| |
| #else // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES |
| |
| |
| # if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) |
| |
| template< long n, typename Key, typename T, typename Base > |
| struct m_item; |
| |
| # else |
| |
| template< long n > |
| struct m_item_impl |
| { |
| template< typename Key, typename T, typename Base > |
| struct result_; |
| }; |
| |
| template< long n, typename Key, typename T, typename Base > |
| struct m_item |
| : m_item_impl<n>::result_<Key,T,Base> |
| { |
| }; |
| |
| |
| # endif |
| |
| |
| template< typename Key, typename T, typename Base > |
| struct m_item_ |
| : Base |
| { |
| typedef Key key_; |
| typedef Base base; |
| typedef m_item_ type; |
| |
| 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_MAP_OVERLOAD( order_tag_, ORDER_BY_KEY, m_item_, aux::type_wrapper<Key>* ); |
| }; |
| |
| template< typename Key, typename Base > |
| struct m_mask |
| : Base |
| { |
| typedef void_ key_; |
| typedef Base base; |
| |
| typedef typename prior< typename Base::size >::type size; |
| typedef typename x_order_impl<Base,Key>::type key_order_; |
| |
| BOOST_MPL_AUX_MAP_OVERLOAD( aux::no_tag, ORDER_BY_KEY, m_mask, aux::type_wrapper<Key>* ); |
| BOOST_MPL_AUX_MAP_OVERLOAD( aux::yes_tag, IS_MASKED, m_mask, key_order_* ); |
| }; |
| |
| #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES |
| |
| }} |
| |
| #endif // BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED |