ext-boost/boost/mpl/map/aux_/item.hpp
2014-12-07 23:50:51 +01:00

139 lines
3.8 KiB
C++

#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.
// $Id$
// $Date$
// $Revision$
#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