#ifndef BOOST_MPL_MULTISET_AUX_ITEM_HPP_INCLUDED | |
#define BOOST_MPL_MULTISET_AUX_ITEM_HPP_INCLUDED | |
// Copyright Aleksey Gurtovoy 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/multiset/aux_/tag.hpp> | |
#include <boost/mpl/int.hpp> | |
#include <boost/mpl/aux_/type_wrapper.hpp> | |
#include <boost/mpl/aux_/yes_no.hpp> | |
#include <boost/mpl/aux_/value_wknd.hpp> | |
#include <boost/mpl/aux_/static_cast.hpp> | |
#include <boost/mpl/aux_/config/arrays.hpp> | |
#include <boost/mpl/aux_/config/msvc.hpp> | |
#include <boost/mpl/aux_/config/workaround.hpp> | |
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | |
# include <boost/mpl/eval_if.hpp> | |
# include <boost/mpl/next.hpp> | |
# include <boost/type_traits/is_same.hpp> | |
#endif | |
namespace boost { namespace mpl { | |
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | |
template< typename T, typename Base > | |
struct ms_item | |
{ | |
typedef aux::multiset_tag tag; | |
template< typename U > struct prior_count | |
{ | |
enum { msvc70_wknd_ = sizeof(Base::key_count(BOOST_MPL_AUX_STATIC_CAST(U*,0))) }; | |
typedef int_< msvc70_wknd_ > count_; | |
typedef typename eval_if< is_same<T,U>, next<count_>, count_ >::type c_; | |
#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) | |
typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(c_)::value>::type type; | |
#else | |
typedef char (&type)[BOOST_MPL_AUX_MSVC_VALUE_WKND(c_)::value]; | |
#endif | |
}; | |
template< typename U > struct prior_ref_count | |
{ | |
typedef U (* u_)(); | |
enum { msvc70_wknd_ = sizeof(Base::ref_key_count(BOOST_MPL_AUX_STATIC_CAST(u_,0))) }; | |
typedef int_< msvc70_wknd_ > count_; | |
typedef typename eval_if< is_same<T,U>, next<count_>, count_ >::type c_; | |
#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) | |
typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(c_)::value>::type type; | |
#else | |
typedef char (&type)[BOOST_MPL_AUX_MSVC_VALUE_WKND(c_)::value]; | |
#endif | |
}; | |
template< typename U > | |
static typename prior_count<U>::type key_count(U*); | |
template< typename U > | |
static typename prior_ref_count<U>::type ref_key_count(U (*)()); | |
}; | |
#else // BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | |
namespace aux { | |
template< typename U, typename Base > | |
struct prior_key_count | |
{ | |
enum { msvc71_wknd_ = sizeof(Base::key_count(BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<U>*,0))) }; | |
typedef int_< msvc71_wknd_ > count_; | |
#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) | |
typedef typename aux::weighted_tag< BOOST_MPL_AUX_VALUE_WKND(count_)::value >::type type; | |
#else | |
typedef char (&type)[count_::value]; | |
#endif | |
}; | |
} | |
template< typename T, typename Base > | |
struct ms_item | |
{ | |
typedef aux::multiset_tag tag; | |
enum { msvc71_wknd_ = sizeof(Base::key_count(BOOST_MPL_AUX_STATIC_CAST(aux::type_wrapper<T>*,0))) + 1 }; | |
typedef int_< msvc71_wknd_ > count_; | |
#if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) | |
static | |
typename aux::weighted_tag< BOOST_MPL_AUX_VALUE_WKND(count_)::value >::type | |
key_count(aux::type_wrapper<T>*); | |
#else | |
static char (& key_count(aux::type_wrapper<T>*) )[count_::value]; | |
#endif | |
template< typename U > | |
static typename aux::prior_key_count<U,Base>::type key_count(aux::type_wrapper<U>*); | |
}; | |
#endif // BOOST_WORKAROUND(BOOST_MSVC, <= 1300) | |
}} | |
#endif // BOOST_MPL_MULTISET_AUX_ITEM_HPP_INCLUDED |