Jeff Thompson | a28eed8 | 2013-08-22 16:21:10 -0700 | [diff] [blame] | 1 | |
| 2 | // Copyright Aleksey Gurtovoy 2001-2004 |
| 3 | // Copyright David Abrahams 2001-2002 |
| 4 | // |
| 5 | // Distributed under the Boost Software License, Version 1.0. |
| 6 | // (See accompanying file LICENSE_1_0.txt or copy at |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
| 8 | // |
| 9 | |
| 10 | // *Preprocessed* version of the main "iter_fold_if_impl.hpp" header |
| 11 | // -- DO NOT modify by hand! |
| 12 | |
| 13 | namespace ndnboost { namespace mpl { namespace aux { |
| 14 | |
| 15 | template< typename Iterator, typename State > |
| 16 | struct iter_fold_if_null_step |
| 17 | { |
| 18 | typedef State state; |
| 19 | typedef Iterator iterator; |
| 20 | }; |
| 21 | |
| 22 | template< bool > |
| 23 | struct iter_fold_if_step_impl |
| 24 | { |
| 25 | template< |
| 26 | typename Iterator |
| 27 | , typename State |
| 28 | , typename StateOp |
| 29 | , typename IteratorOp |
| 30 | > |
| 31 | struct result_ |
| 32 | { |
| 33 | typedef typename apply2< StateOp,State,Iterator >::type state; |
| 34 | typedef typename IteratorOp::type iterator; |
| 35 | }; |
| 36 | }; |
| 37 | |
| 38 | template<> |
| 39 | struct iter_fold_if_step_impl<false> |
| 40 | { |
| 41 | template< |
| 42 | typename Iterator |
| 43 | , typename State |
| 44 | , typename StateOp |
| 45 | , typename IteratorOp |
| 46 | > |
| 47 | struct result_ |
| 48 | { |
| 49 | typedef State state; |
| 50 | typedef Iterator iterator; |
| 51 | }; |
| 52 | }; |
| 53 | |
| 54 | template< |
| 55 | typename Iterator |
| 56 | , typename State |
| 57 | , typename ForwardOp |
| 58 | , typename Predicate |
| 59 | > |
| 60 | struct iter_fold_if_forward_step |
| 61 | { |
| 62 | typedef typename apply2< Predicate,State,Iterator >::type not_last; |
| 63 | typedef typename iter_fold_if_step_impl< |
| 64 | BOOST_MPL_AUX_MSVC_VALUE_WKND(not_last)::value |
| 65 | >::template result_< Iterator,State,ForwardOp, mpl::next<Iterator> > impl_; |
| 66 | |
| 67 | typedef typename impl_::state state; |
| 68 | typedef typename impl_::iterator iterator; |
| 69 | }; |
| 70 | |
| 71 | template< |
| 72 | typename Iterator |
| 73 | , typename State |
| 74 | , typename BackwardOp |
| 75 | , typename Predicate |
| 76 | > |
| 77 | struct iter_fold_if_backward_step |
| 78 | { |
| 79 | typedef typename apply2< Predicate,State,Iterator >::type not_last; |
| 80 | typedef typename iter_fold_if_step_impl< |
| 81 | BOOST_MPL_AUX_MSVC_VALUE_WKND(not_last)::value |
| 82 | >::template result_< Iterator,State,BackwardOp, identity<Iterator> > impl_; |
| 83 | |
| 84 | typedef typename impl_::state state; |
| 85 | typedef typename impl_::iterator iterator; |
| 86 | }; |
| 87 | |
| 88 | template< |
| 89 | typename Iterator |
| 90 | , typename State |
| 91 | , typename ForwardOp |
| 92 | , typename ForwardPredicate |
| 93 | , typename BackwardOp |
| 94 | , typename BackwardPredicate |
| 95 | > |
| 96 | struct iter_fold_if_impl |
| 97 | { |
| 98 | private: |
| 99 | typedef iter_fold_if_null_step< Iterator,State > forward_step0; |
| 100 | typedef iter_fold_if_forward_step< typename forward_step0::iterator, typename forward_step0::state, ForwardOp, ForwardPredicate > forward_step1; |
| 101 | typedef iter_fold_if_forward_step< typename forward_step1::iterator, typename forward_step1::state, ForwardOp, ForwardPredicate > forward_step2; |
| 102 | typedef iter_fold_if_forward_step< typename forward_step2::iterator, typename forward_step2::state, ForwardOp, ForwardPredicate > forward_step3; |
| 103 | typedef iter_fold_if_forward_step< typename forward_step3::iterator, typename forward_step3::state, ForwardOp, ForwardPredicate > forward_step4; |
| 104 | |
| 105 | |
| 106 | typedef typename if_< |
| 107 | typename forward_step4::not_last |
| 108 | , iter_fold_if_impl< |
| 109 | typename forward_step4::iterator |
| 110 | , typename forward_step4::state |
| 111 | , ForwardOp |
| 112 | , ForwardPredicate |
| 113 | , BackwardOp |
| 114 | , BackwardPredicate |
| 115 | > |
| 116 | , iter_fold_if_null_step< |
| 117 | typename forward_step4::iterator |
| 118 | , typename forward_step4::state |
| 119 | > |
| 120 | >::type backward_step4; |
| 121 | |
| 122 | typedef iter_fold_if_backward_step< typename forward_step3::iterator, typename backward_step4::state, BackwardOp, BackwardPredicate > backward_step3; |
| 123 | typedef iter_fold_if_backward_step< typename forward_step2::iterator, typename backward_step3::state, BackwardOp, BackwardPredicate > backward_step2; |
| 124 | typedef iter_fold_if_backward_step< typename forward_step1::iterator, typename backward_step2::state, BackwardOp, BackwardPredicate > backward_step1; |
| 125 | typedef iter_fold_if_backward_step< typename forward_step0::iterator, typename backward_step1::state, BackwardOp, BackwardPredicate > backward_step0; |
| 126 | |
| 127 | |
| 128 | public: |
| 129 | typedef typename backward_step0::state state; |
| 130 | typedef typename backward_step4::iterator iterator; |
| 131 | }; |
| 132 | |
| 133 | }}} |