boost/fusion/algorithm/transformation/zip.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   3     Copyright (c) 2006 Dan Marsden
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #ifndef BOOST_PP_IS_ITERATING
   9 #if !defined(FUSION_ZIP_HPP_20060125_2058)
  10 #define FUSION_ZIP_HPP_20060125_2058
  11
  12 #include <boost/fusion/view/zip_view.hpp>
  13 #include <boost/fusion/adapted/mpl.hpp>
  14 #include <boost/fusion/container/vector.hpp>
  15 #include <boost/fusion/container/vector/convert.hpp>
  16 #include <boost/fusion/support/detail/pp_round.hpp>
  17 #include <boost/type_traits/add_reference.hpp>
  18 #include <boost/preprocessor/repetition/enum.hpp>
  19 #include <boost/preprocessor/repetition/enum_params.hpp>
  20 #include <boost/preprocessor/repetition/enum_binary_params.hpp>
  21 #include <boost/preprocessor/repetition/repeat_from_to.hpp>
  22 #include <boost/preprocessor/arithmetic/inc.hpp>
  23 #include <boost/preprocessor/iteration/iterate.hpp>
  24 #include <boost/mpl/vector.hpp>
  25 #include <boost/mpl/transform.hpp>
  26 #include <boost/mpl/placeholders.hpp>
  27
  28 #if !defined(FUSION_MAX_ZIP_SEQUENCES)
  29 #define FUSION_MAX_ZIP_SEQUENCES 10
  30 #endif
  31
  32 #define FUSION_MAX_ZIP_SEQUENCES_STR BOOST_PP_STRINGIZE(BOOST_FUSION_PP_ROUND_UP(FUSION_MAX_ZIP_SEQUENCES))
  33
  34 #if !defined(BOOST_FUSION_DONT_USE_PREPROCESSED_FILES)
  35 #include <boost/fusion/algorithm/transformation/detail/preprocessed/zip.hpp>
  36 #else
  37 #if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
  38 #pragma wave option(preserve: 2, line: 0, output: "detail/preprocessed/zip" FUSION_MAX_ZIP_SEQUENCES_STR ".hpp")
  39 #endif
  40
  41 /*=============================================================================
  42     Copyright (c) 2001-2011 Joel de Guzman
  43     Copyright (c) 2006 Dan Marsden
  44
  45     Distributed under the Boost Software License, Version 1.0. (See accompanying
  46     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  47
  48     This is an auto-generated file. Do not edit!
  49 ==============================================================================*/
  50
  51 #if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
  52 #pragma wave option(preserve: 1)
  53 #endif
  54
  55 namespace boost { namespace fusion
  56 {
  57     struct void_;
  58
  59     namespace result_of
  60     {
  61         template<BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(BOOST_PP_INC(FUSION_MAX_ZIP_SEQUENCES), typename T, fusion::void_)>
  62         struct zip;
  63     }
  64
  65 #define FUSION_TEXT(z, n, text) , text
  66
  67 #define BOOST_PP_FILENAME_1 \
  68     <boost/fusion/algorithm/transformation/zip.hpp>
  69 #define BOOST_PP_ITERATION_LIMITS (2, FUSION_MAX_ZIP_SEQUENCES)
  70 #include BOOST_PP_ITERATE()
  71
  72 #undef FUSION_TEXT
  73
  74 }}
  75
  76 #if defined(__WAVE__) && defined(BOOST_FUSION_CREATE_PREPROCESSED_FILES)
  77 #pragma wave option(output: null)
  78 #endif
  79
  80 #endif // BOOST_FUSION_DONT_USE_PREPROCESSED_FILES
  81
  82 #endif
  83
  84 #else
  85
  86 #define ZIP_ITERATION BOOST_PP_ITERATION()
  87
  88     namespace result_of
  89     {
  90         template< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, typename T) >
  91         struct zip< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, T)
  92                     BOOST_PP_REPEAT_FROM_TO(BOOST_PP_DEC(ZIP_ITERATION), FUSION_MAX_ZIP_SEQUENCES, FUSION_TEXT, void_)
  93         >
  94         {
  95             typedef mpl::vector< BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, T) > sequences;
  96             typedef typename mpl::transform<sequences, add_reference<mpl::_> >::type ref_params;
  97             typedef zip_view<typename result_of::as_vector<ref_params>::type> type;
  98         };
  99     }
 100
 101 #define FUSION_REF_PARAM(z, n, data) const T ## n&
 102
 103     template<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, typename T)>
 104     BOOST_FUSION_GPU_ENABLED
 105     inline typename result_of::zip<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, const T)>::type
 106     zip(BOOST_PP_ENUM_BINARY_PARAMS(ZIP_ITERATION, T, const& t))
 107     {
 108         fusion::vector<BOOST_PP_ENUM(ZIP_ITERATION, FUSION_REF_PARAM, _)> seqs(
 109             BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, t));
 110         return typename result_of::zip<BOOST_PP_ENUM_PARAMS(ZIP_ITERATION, const T)>::type(
 111             seqs);
 112     }
 113
 114 #undef FUSION_REF_PARAM
 115 #undef ZIP_ITERATION
 116
 117 #endif