139 lines
4.0 KiB
C++
139 lines
4.0 KiB
C++
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#ifndef BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED
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#define BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2003-2004
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// Copyright David Abrahams 2003-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id: item.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
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// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
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// $Revision: 49267 $
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#include <boost/mpl/void.hpp>
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#include <boost/mpl/pair.hpp>
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#include <boost/mpl/long.hpp>
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#include <boost/mpl/next.hpp>
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#include <boost/mpl/prior.hpp>
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#include <boost/mpl/map/aux_/map0.hpp>
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#include <boost/mpl/aux_/order_impl.hpp>
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#include <boost/mpl/aux_/yes_no.hpp>
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#include <boost/mpl/aux_/type_wrapper.hpp>
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#include <boost/mpl/aux_/config/arrays.hpp>
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#include <boost/mpl/aux_/config/typeof.hpp>
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#include <boost/mpl/aux_/config/ctps.hpp>
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namespace boost { namespace mpl {
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#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
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template< typename Key, typename T, typename Base >
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struct m_item
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: Base
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{
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typedef Key key_;
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typedef pair<Key,T> item;
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typedef Base base;
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typedef typename next< typename Base::size >::type size;
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typedef typename next< typename Base::order >::type order;
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#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES)
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typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_;
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#else
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typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value];
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#endif
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BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<T>, VALUE_BY_KEY, m_item, aux::type_wrapper<Key>* );
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BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<item>, ITEM_BY_ORDER, m_item, order* );
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BOOST_MPL_AUX_MAP_OVERLOAD( order_tag_, ORDER_BY_KEY, m_item, aux::type_wrapper<Key>* );
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};
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template< typename Key, typename Base >
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struct m_mask
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: Base
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{
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typedef void_ key_;
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typedef Base base;
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typedef typename prior< typename Base::size >::type size;
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typedef typename x_order_impl<Base,Key>::type key_order_;
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BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<void_>, VALUE_BY_KEY, m_mask, aux::type_wrapper<Key>* );
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BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<void_>, ITEM_BY_ORDER, m_mask, key_order_* );
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};
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#else // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
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# if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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template< long n, typename Key, typename T, typename Base >
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struct m_item;
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# else
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template< long n >
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struct m_item_impl
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{
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template< typename Key, typename T, typename Base >
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struct result_;
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};
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template< long n, typename Key, typename T, typename Base >
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struct m_item
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: m_item_impl<n>::result_<Key,T,Base>
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{
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};
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# endif
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template< typename Key, typename T, typename Base >
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struct m_item_
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: Base
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{
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typedef Key key_;
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typedef Base base;
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typedef m_item_ type;
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typedef typename next< typename Base::size >::type size;
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typedef typename next< typename Base::order >::type order;
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#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES)
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typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_;
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#else
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typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value];
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#endif
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BOOST_MPL_AUX_MAP_OVERLOAD( order_tag_, ORDER_BY_KEY, m_item_, aux::type_wrapper<Key>* );
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};
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template< typename Key, typename Base >
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struct m_mask
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: Base
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{
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typedef void_ key_;
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typedef Base base;
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typedef typename prior< typename Base::size >::type size;
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typedef typename x_order_impl<Base,Key>::type key_order_;
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BOOST_MPL_AUX_MAP_OVERLOAD( aux::no_tag, ORDER_BY_KEY, m_mask, aux::type_wrapper<Key>* );
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BOOST_MPL_AUX_MAP_OVERLOAD( aux::yes_tag, IS_MASKED, m_mask, key_order_* );
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};
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#endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES
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}}
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#endif // BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED
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