| Jeff Thompson | a28eed8 | 2013-08-22 16:21:10 -0700 | [diff] [blame^] | 1 | |
| 2 | // Copyright Aleksey Gurtovoy 2000-2004 |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. |
| 5 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
| 7 | // |
| 8 | |
| 9 | // *Preprocessed* version of the main "fold_impl.hpp" header |
| 10 | // -- DO NOT modify by hand! |
| 11 | |
| 12 | namespace ndnboost { namespace mpl { namespace aux { |
| 13 | |
| 14 | /// forward declaration |
| 15 | |
| 16 | template< |
| 17 | int N |
| 18 | , typename First |
| 19 | , typename Last |
| 20 | , typename State |
| 21 | , typename ForwardOp |
| 22 | > |
| 23 | struct fold_impl; |
| 24 | |
| 25 | template< |
| 26 | typename First |
| 27 | , typename Last |
| 28 | , typename State |
| 29 | , typename ForwardOp |
| 30 | > |
| 31 | struct fold_impl< 0,First,Last,State,ForwardOp > |
| 32 | { |
| 33 | typedef First iter0; |
| 34 | typedef State state0; |
| 35 | typedef state0 state; |
| 36 | typedef iter0 iterator; |
| 37 | }; |
| 38 | |
| 39 | template< |
| 40 | typename First |
| 41 | , typename Last |
| 42 | , typename State |
| 43 | , typename ForwardOp |
| 44 | > |
| 45 | struct fold_impl< 1,First,Last,State,ForwardOp > |
| 46 | { |
| 47 | typedef First iter0; |
| 48 | typedef State state0; |
| 49 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1; |
| 50 | typedef typename mpl::next<iter0>::type iter1; |
| 51 | |
| 52 | |
| 53 | typedef state1 state; |
| 54 | typedef iter1 iterator; |
| 55 | }; |
| 56 | |
| 57 | template< |
| 58 | typename First |
| 59 | , typename Last |
| 60 | , typename State |
| 61 | , typename ForwardOp |
| 62 | > |
| 63 | struct fold_impl< 2,First,Last,State,ForwardOp > |
| 64 | { |
| 65 | typedef First iter0; |
| 66 | typedef State state0; |
| 67 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1; |
| 68 | typedef typename mpl::next<iter0>::type iter1; |
| 69 | typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2; |
| 70 | typedef typename mpl::next<iter1>::type iter2; |
| 71 | |
| 72 | |
| 73 | typedef state2 state; |
| 74 | typedef iter2 iterator; |
| 75 | }; |
| 76 | |
| 77 | template< |
| 78 | typename First |
| 79 | , typename Last |
| 80 | , typename State |
| 81 | , typename ForwardOp |
| 82 | > |
| 83 | struct fold_impl< 3,First,Last,State,ForwardOp > |
| 84 | { |
| 85 | typedef First iter0; |
| 86 | typedef State state0; |
| 87 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1; |
| 88 | typedef typename mpl::next<iter0>::type iter1; |
| 89 | typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2; |
| 90 | typedef typename mpl::next<iter1>::type iter2; |
| 91 | typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3; |
| 92 | typedef typename mpl::next<iter2>::type iter3; |
| 93 | |
| 94 | |
| 95 | typedef state3 state; |
| 96 | typedef iter3 iterator; |
| 97 | }; |
| 98 | |
| 99 | template< |
| 100 | typename First |
| 101 | , typename Last |
| 102 | , typename State |
| 103 | , typename ForwardOp |
| 104 | > |
| 105 | struct fold_impl< 4,First,Last,State,ForwardOp > |
| 106 | { |
| 107 | typedef First iter0; |
| 108 | typedef State state0; |
| 109 | typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1; |
| 110 | typedef typename mpl::next<iter0>::type iter1; |
| 111 | typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2; |
| 112 | typedef typename mpl::next<iter1>::type iter2; |
| 113 | typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3; |
| 114 | typedef typename mpl::next<iter2>::type iter3; |
| 115 | typedef typename apply2< ForwardOp, state3, typename deref<iter3>::type >::type state4; |
| 116 | typedef typename mpl::next<iter3>::type iter4; |
| 117 | |
| 118 | |
| 119 | typedef state4 state; |
| 120 | typedef iter4 iterator; |
| 121 | }; |
| 122 | |
| 123 | template< |
| 124 | int N |
| 125 | , typename First |
| 126 | , typename Last |
| 127 | , typename State |
| 128 | , typename ForwardOp |
| 129 | > |
| 130 | struct fold_impl |
| 131 | { |
| 132 | typedef fold_impl< |
| 133 | 4 |
| 134 | , First |
| 135 | , Last |
| 136 | , State |
| 137 | , ForwardOp |
| 138 | > chunk_; |
| 139 | |
| 140 | typedef fold_impl< |
| 141 | ( (N - 4) < 0 ? 0 : N - 4 ) |
| 142 | , typename chunk_::iterator |
| 143 | , Last |
| 144 | , typename chunk_::state |
| 145 | , ForwardOp |
| 146 | > res_; |
| 147 | |
| 148 | typedef typename res_::state state; |
| 149 | typedef typename res_::iterator iterator; |
| 150 | }; |
| 151 | |
| 152 | template< |
| 153 | typename First |
| 154 | , typename Last |
| 155 | , typename State |
| 156 | , typename ForwardOp |
| 157 | > |
| 158 | struct fold_impl< -1,First,Last,State,ForwardOp > |
| 159 | : fold_impl< |
| 160 | -1 |
| 161 | , typename mpl::next<First>::type |
| 162 | , Last |
| 163 | , typename apply2<ForwardOp,State, typename deref<First>::type>::type |
| 164 | , ForwardOp |
| 165 | > |
| 166 | { |
| 167 | }; |
| 168 | |
| 169 | template< |
| 170 | typename Last |
| 171 | , typename State |
| 172 | , typename ForwardOp |
| 173 | > |
| 174 | struct fold_impl< -1,Last,Last,State,ForwardOp > |
| 175 | { |
| 176 | typedef State state; |
| 177 | typedef Last iterator; |
| 178 | }; |
| 179 | |
| 180 | }}} |