#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: 2008-10-10 23:19:02 -0700 (Fri, 10 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