stc/exp/ml_stc_linux_make_v1.0/include/boost/mpl/transform.hpp

   1 \r
   2 #ifndef BOOST_MPL_TRANSFORM_HPP_INCLUDED\r
   3 #define BOOST_MPL_TRANSFORM_HPP_INCLUDED\r
   4 \r
   5 // Copyright Aleksey Gurtovoy 2000-2004\r
   6 // Copyright David Abrahams 2003-2004\r
   7 //\r
   8 // Distributed under the Boost Software License, Version 1.0. \r
   9 // (See accompanying file LICENSE_1_0.txt or copy at \r
  10 // http://www.boost.org/LICENSE_1_0.txt)\r
  11 //\r
  12 // See http://www.boost.org/libs/mpl for documentation.\r
  13 \r
  14 // $Id: transform.hpp 49267 2008-10-11 06:19:02Z agurtovoy $\r
  15 // $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $\r
  16 // $Revision: 49267 $\r
  17 \r
  18 #include <boost/mpl/fold.hpp>\r
  19 #include <boost/mpl/reverse_fold.hpp>\r
  20 #include <boost/mpl/pair_view.hpp>\r
  21 #include <boost/mpl/is_sequence.hpp>\r
  22 #include <boost/mpl/eval_if.hpp>\r
  23 #include <boost/mpl/lambda.hpp>\r
  24 #include <boost/mpl/bind.hpp>\r
  25 #include <boost/mpl/or.hpp>\r
  26 #include <boost/mpl/not.hpp>\r
  27 #include <boost/mpl/aux_/na.hpp>\r
  28 #include <boost/mpl/aux_/inserter_algorithm.hpp>\r
  29 \r
  30 namespace boost { namespace mpl {\r
  31 \r
  32 namespace aux { \r
  33 \r
  34 template< \r
  35       typename Seq\r
  36     , typename Op\r
  37     , typename In\r
  38     >\r
  39 struct transform1_impl\r
  40     : fold< \r
  41           Seq\r
  42         , typename In::state\r
  43         , bind2< typename lambda< typename In::operation >::type\r
  44             , _1\r
  45             , bind1< typename lambda<Op>::type, _2>\r
  46             > \r
  47         >\r
  48 {\r
  49 };\r
  50 \r
  51 template< \r
  52       typename Seq\r
  53     , typename Op\r
  54     , typename In\r
  55     >\r
  56 struct reverse_transform1_impl\r
  57     : reverse_fold< \r
  58           Seq\r
  59         , typename In::state\r
  60         , bind2< typename lambda< typename In::operation >::type\r
  61             , _1\r
  62             , bind1< typename lambda<Op>::type, _2>\r
  63             > \r
  64         >\r
  65 {\r
  66 };\r
  67 \r
  68 template< \r
  69       typename Seq1\r
  70     , typename Seq2\r
  71     , typename Op\r
  72     , typename In\r
  73     >\r
  74 struct transform2_impl\r
  75     : fold< \r
  76           pair_view<Seq1,Seq2>\r
  77         , typename In::state\r
  78         , bind2< typename lambda< typename In::operation >::type\r
  79             , _1\r
  80             , bind2<\r
  81                   typename lambda<Op>::type\r
  82                 , bind1<first<>,_2>\r
  83                 , bind1<second<>,_2>\r
  84                 >\r
  85             > \r
  86         >\r
  87 {\r
  88 };\r
  89 \r
  90 template< \r
  91       typename Seq1\r
  92     , typename Seq2\r
  93     , typename Op\r
  94     , typename In\r
  95     >\r
  96 struct reverse_transform2_impl\r
  97     : reverse_fold< \r
  98           pair_view<Seq1,Seq2>\r
  99         , typename In::state\r
 100         , bind2< typename lambda< typename In::operation >::type\r
 101             , _1\r
 102             , bind2< typename lambda< Op >::type\r
 103                 , bind1<first<>,_2>\r
 104                 , bind1<second<>,_2>\r
 105                 >\r
 106             > \r
 107         >\r
 108 {\r
 109 };\r
 110 \r
 111 } // namespace aux \r
 112 \r
 113 BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(3, transform1)                    \r
 114 BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(4, transform2)\r
 115     \r
 116 #define AUX778076_TRANSFORM_DEF(name)                                   \\r
 117 template<                                                               \\r
 118       typename BOOST_MPL_AUX_NA_PARAM(Seq1)                             \\r
 119     , typename BOOST_MPL_AUX_NA_PARAM(Seq2OrOperation)                  \\r
 120     , typename BOOST_MPL_AUX_NA_PARAM(OperationOrInserter)              \\r
 121     , typename BOOST_MPL_AUX_NA_PARAM(Inserter)                         \\r
 122     >                                                                   \\r
 123 struct name                                                             \\r
 124 {                                                                       \\r
 125     typedef typename eval_if<                                           \\r
 126           or_<                                                          \\r
 127               is_na<OperationOrInserter>                                \\r
 128             , is_lambda_expression< Seq2OrOperation >                   \\r
 129             , not_< is_sequence<Seq2OrOperation> >                      \\r
 130             >                                                           \\r
 131         , name##1<Seq1,Seq2OrOperation,OperationOrInserter>             \\r
 132         , name##2<Seq1,Seq2OrOperation,OperationOrInserter,Inserter>    \\r
 133         >::type type;                                                   \\r
 134 };                                                                      \\r
 135 BOOST_MPL_AUX_NA_SPEC(4, name)                                          \\r
 136 /**/\r
 137 \r
 138 AUX778076_TRANSFORM_DEF(transform)\r
 139 AUX778076_TRANSFORM_DEF(reverse_transform)\r
 140 \r
 141 #undef AUX778076_TRANSFORM_DEF\r
 142 \r
 143 }}\r
 144 \r
 145 #endif // BOOST_MPL_TRANSFORM_HPP_INCLUDED\r