| |
| #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 |