/*============================================================================= | |
Copyright (c) 2001-2006 Joel de Guzman | |
Copyright (c) 2006 Dan Marsden | |
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) | |
==============================================================================*/ | |
#ifndef BOOST_PP_IS_ITERATING | |
#if !defined(FUSION_ZIP_HPP_20060125_2058) | |
#define FUSION_ZIP_HPP_20060125_2058 | |
#include <boost/fusion/view/zip_view.hpp> | |
#include <boost/fusion/adapted/mpl.hpp> | |
#include <boost/fusion/container/vector.hpp> | |
#include <boost/fusion/container/vector/convert.hpp> | |
#include <boost/type_traits/add_reference.hpp> | |
#include <boost/preprocessor/repetition/enum.hpp> | |
#include <boost/preprocessor/repetition/enum_params.hpp> | |
#include <boost/preprocessor/repetition/enum_binary_params.hpp> | |
#include <boost/preprocessor/repetition/repeat_from_to.hpp> | |
#include <boost/preprocessor/arithmetic/inc.hpp> | |
#include <boost/preprocessor/iteration/iterate.hpp> | |
#include <boost/mpl/vector.hpp> | |
#include <boost/mpl/transform.hpp> | |
#include <boost/mpl/placeholders.hpp> | |
#if !defined(FUSION_MAX_ZIP_SEQUENCES) | |
#define FUSION_MAX_ZIP_SEQUENCES 10 | |
#endif | |
namespace boost { namespace fusion { | |
struct void_; | |
namespace result_of | |
{ | |
template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PP_INC(FUSION_MAX_ZIP_SEQUENCES), typename T, fusion::void_)> | |
struct zip; | |
} | |
#define BOOST_PP_FILENAME_1 \ | |
<boost/fusion/algorithm/transformation/zip.hpp> | |
#define BOOST_PP_ITERATION_LIMITS (2, FUSION_MAX_ZIP_SEQUENCES) | |
#include BOOST_PP_ITERATE() | |
}} | |
#endif | |
#else | |
#define ZIP_ITERATION BOOST_PP_ITERATION() | |
namespace result_of | |
{ | |
template< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, typename T) > | |
#if defined(BOOST_NO_PARTIAL_SPECIALIZATION_IMPLICIT_DEFAULT_ARGS) | |
#define TEXT(z, n, text) , text | |
struct zip< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, T) BOOST_PP_REPEAT_FROM_TO(BOOST_PP_DEC(ZIP_ITERATION), FUSION_MAX_ZIP_SEQUENCES, TEXT, void_) > | |
#undef TEXT | |
#else | |
struct zip< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, T) > | |
#endif | |
{ | |
typedef mpl::vector< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, T) > sequences; | |
typedef typename mpl::transform<sequences, add_reference<mpl::_> >::type ref_params; | |
typedef zip_view<typename result_of::as_vector<ref_params>::type> type; | |
}; | |
} | |
#define FUSION_REF_PARAM(z, n, data) const T ## n& | |
template<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, typename T)> | |
inline typename result_of::zip<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, const T)>::type | |
zip(BOOST_PP_ENUM_BINARY_PARAMS(ZIP_ITERATION, T, const& t)) | |
{ | |
fusion::vector<BOOST_PP_ENUM(ZIP_ITERATION, FUSION_REF_PARAM, _)> seqs( | |
BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, t)); | |
return typename result_of::zip<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, const T)>::type( | |
seqs); | |
} | |
#undef FUSION_REF_PARAM | |
#undef ZIP_ITERATION | |
#endif |