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   1 \r
   2 // Copyright Aleksey Gurtovoy 2000-2004\r
   3 //\r
   4 // Distributed under the Boost Software License, Version 1.0. \r
   5 // (See accompanying file LICENSE_1_0.txt or copy at \r
   6 // http://www.boost.org/LICENSE_1_0.txt)\r
   7 //\r
   8 \r
   9 // Preprocessed version of "boost/mpl/aux_/reverse_iter_fold_impl.hpp" header\r
  10 // -- DO NOT modify by hand!\r
  11 \r
  12 namespace boost { namespace mpl { namespace aux {\r
  13 \r
  14 /// forward declaration\r
  15 \r
  16 template<\r
  17       long N\r
  18     , typename First\r
  19     , typename Last\r
  20     , typename State\r
  21     , typename BackwardOp\r
  22     , typename ForwardOp\r
  23     >\r
  24 struct reverse_iter_fold_impl;\r
  25 \r
  26 template<\r
  27       typename First\r
  28     , typename Last\r
  29     , typename State\r
  30     , typename BackwardOp\r
  31     , typename ForwardOp\r
  32     >\r
  33 struct reverse_iter_fold_impl< 0,First,Last,State,BackwardOp,ForwardOp >\r
  34 {\r
  35     typedef First iter0;\r
  36     typedef State fwd_state0;\r
  37     typedef fwd_state0 bkwd_state0;\r
  38     typedef bkwd_state0 state;\r
  39     typedef iter0 iterator;\r
  40 };\r
  41 \r
  42 template<\r
  43       typename First\r
  44     , typename Last\r
  45     , typename State\r
  46     , typename BackwardOp\r
  47     , typename ForwardOp\r
  48     >\r
  49 struct reverse_iter_fold_impl< 1,First,Last,State,BackwardOp,ForwardOp >\r
  50 {\r
  51     typedef First iter0;\r
  52     typedef State fwd_state0;\r
  53     typedef typename apply2< ForwardOp,fwd_state0,iter0 >::type fwd_state1;\r
  54     typedef typename mpl::next<iter0>::type iter1;\r
  55     \r
  56 \r
  57     typedef fwd_state1 bkwd_state1;\r
  58     typedef typename apply2< BackwardOp,bkwd_state1,iter0 >::type bkwd_state0;\r
  59     typedef bkwd_state0 state;\r
  60     typedef iter1 iterator;\r
  61 };\r
  62 \r
  63 template<\r
  64       typename First\r
  65     , typename Last\r
  66     , typename State\r
  67     , typename BackwardOp\r
  68     , typename ForwardOp\r
  69     >\r
  70 struct reverse_iter_fold_impl< 2,First,Last,State,BackwardOp,ForwardOp >\r
  71 {\r
  72     typedef First iter0;\r
  73     typedef State fwd_state0;\r
  74     typedef typename apply2< ForwardOp,fwd_state0,iter0 >::type fwd_state1;\r
  75     typedef typename mpl::next<iter0>::type iter1;\r
  76     typedef typename apply2< ForwardOp,fwd_state1,iter1 >::type fwd_state2;\r
  77     typedef typename mpl::next<iter1>::type iter2;\r
  78     \r
  79 \r
  80     typedef fwd_state2 bkwd_state2;\r
  81     typedef typename apply2< BackwardOp,bkwd_state2,iter1 >::type bkwd_state1;\r
  82     typedef typename apply2< BackwardOp,bkwd_state1,iter0 >::type bkwd_state0;\r
  83     \r
  84 \r
  85     typedef bkwd_state0 state;\r
  86     typedef iter2 iterator;\r
  87 };\r
  88 \r
  89 template<\r
  90       typename First\r
  91     , typename Last\r
  92     , typename State\r
  93     , typename BackwardOp\r
  94     , typename ForwardOp\r
  95     >\r
  96 struct reverse_iter_fold_impl< 3,First,Last,State,BackwardOp,ForwardOp >\r
  97 {\r
  98     typedef First iter0;\r
  99     typedef State fwd_state0;\r
 100     typedef typename apply2< ForwardOp,fwd_state0,iter0 >::type fwd_state1;\r
 101     typedef typename mpl::next<iter0>::type iter1;\r
 102     typedef typename apply2< ForwardOp,fwd_state1,iter1 >::type fwd_state2;\r
 103     typedef typename mpl::next<iter1>::type iter2;\r
 104     typedef typename apply2< ForwardOp,fwd_state2,iter2 >::type fwd_state3;\r
 105     typedef typename mpl::next<iter2>::type iter3;\r
 106     \r
 107 \r
 108     typedef fwd_state3 bkwd_state3;\r
 109     typedef typename apply2< BackwardOp,bkwd_state3,iter2 >::type bkwd_state2;\r
 110     typedef typename apply2< BackwardOp,bkwd_state2,iter1 >::type bkwd_state1;\r
 111     typedef typename apply2< BackwardOp,bkwd_state1,iter0 >::type bkwd_state0;\r
 112     \r
 113 \r
 114     typedef bkwd_state0 state;\r
 115     typedef iter3 iterator;\r
 116 };\r
 117 \r
 118 template<\r
 119       typename First\r
 120     , typename Last\r
 121     , typename State\r
 122     , typename BackwardOp\r
 123     , typename ForwardOp\r
 124     >\r
 125 struct reverse_iter_fold_impl< 4,First,Last,State,BackwardOp,ForwardOp >\r
 126 {\r
 127     typedef First iter0;\r
 128     typedef State fwd_state0;\r
 129     typedef typename apply2< ForwardOp,fwd_state0,iter0 >::type fwd_state1;\r
 130     typedef typename mpl::next<iter0>::type iter1;\r
 131     typedef typename apply2< ForwardOp,fwd_state1,iter1 >::type fwd_state2;\r
 132     typedef typename mpl::next<iter1>::type iter2;\r
 133     typedef typename apply2< ForwardOp,fwd_state2,iter2 >::type fwd_state3;\r
 134     typedef typename mpl::next<iter2>::type iter3;\r
 135     typedef typename apply2< ForwardOp,fwd_state3,iter3 >::type fwd_state4;\r
 136     typedef typename mpl::next<iter3>::type iter4;\r
 137     \r
 138 \r
 139     typedef fwd_state4 bkwd_state4;\r
 140     typedef typename apply2< BackwardOp,bkwd_state4,iter3 >::type bkwd_state3;\r
 141     typedef typename apply2< BackwardOp,bkwd_state3,iter2 >::type bkwd_state2;\r
 142     typedef typename apply2< BackwardOp,bkwd_state2,iter1 >::type bkwd_state1;\r
 143     typedef typename apply2< BackwardOp,bkwd_state1,iter0 >::type bkwd_state0;\r
 144     \r
 145 \r
 146     typedef bkwd_state0 state;\r
 147     typedef iter4 iterator;\r
 148 };\r
 149 \r
 150 template<\r
 151       long N\r
 152     , typename First\r
 153     , typename Last\r
 154     , typename State\r
 155     , typename BackwardOp\r
 156     , typename ForwardOp\r
 157     >\r
 158 struct reverse_iter_fold_impl\r
 159 {\r
 160     typedef First iter0;\r
 161     typedef State fwd_state0;\r
 162     typedef typename apply2< ForwardOp,fwd_state0,iter0 >::type fwd_state1;\r
 163     typedef typename mpl::next<iter0>::type iter1;\r
 164     typedef typename apply2< ForwardOp,fwd_state1,iter1 >::type fwd_state2;\r
 165     typedef typename mpl::next<iter1>::type iter2;\r
 166     typedef typename apply2< ForwardOp,fwd_state2,iter2 >::type fwd_state3;\r
 167     typedef typename mpl::next<iter2>::type iter3;\r
 168     typedef typename apply2< ForwardOp,fwd_state3,iter3 >::type fwd_state4;\r
 169     typedef typename mpl::next<iter3>::type iter4;\r
 170     \r
 171 \r
 172     typedef reverse_iter_fold_impl<\r
 173           ( (N - 4) < 0 ? 0 : N - 4 )\r
 174         , iter4\r
 175         , Last\r
 176         , fwd_state4\r
 177         , BackwardOp\r
 178         , ForwardOp\r
 179         > nested_chunk;\r
 180 \r
 181     typedef typename nested_chunk::state bkwd_state4;\r
 182     typedef typename apply2< BackwardOp,bkwd_state4,iter3 >::type bkwd_state3;\r
 183     typedef typename apply2< BackwardOp,bkwd_state3,iter2 >::type bkwd_state2;\r
 184     typedef typename apply2< BackwardOp,bkwd_state2,iter1 >::type bkwd_state1;\r
 185     typedef typename apply2< BackwardOp,bkwd_state1,iter0 >::type bkwd_state0;\r
 186     \r
 187 \r
 188     typedef bkwd_state0 state;\r
 189     typedef typename nested_chunk::iterator iterator;\r
 190 };\r
 191 \r
 192 template<\r
 193       typename First\r
 194     , typename Last\r
 195     , typename State\r
 196     , typename BackwardOp\r
 197     , typename ForwardOp\r
 198     >\r
 199 struct reverse_iter_fold_impl< -1,First,Last,State,BackwardOp,ForwardOp >\r
 200 {\r
 201     typedef reverse_iter_fold_impl<\r
 202           -1\r
 203         , typename mpl::next<First>::type\r
 204         , Last\r
 205         , typename apply2< ForwardOp,State,First >::type\r
 206         , BackwardOp\r
 207         , ForwardOp\r
 208         > nested_step;\r
 209 \r
 210     typedef typename apply2<\r
 211           BackwardOp\r
 212         , typename nested_step::state\r
 213         , First\r
 214         >::type state;\r
 215 \r
 216     typedef typename nested_step::iterator iterator;\r
 217 };\r
 218 \r
 219 template<\r
 220       typename Last\r
 221     , typename State\r
 222     , typename BackwardOp\r
 223     , typename ForwardOp\r
 224     >\r
 225 struct reverse_iter_fold_impl< -1,Last,Last,State,BackwardOp,ForwardOp >\r
 226 {\r
 227     typedef State state;\r
 228     typedef Last iterator;\r
 229 };\r
 230 \r
 231 }}}\r