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 "boost/mpl/aux_/iter_fold_if_impl.hpp" header |
---|
11 | // -- DO NOT modify by hand! |
---|
12 | |
---|
13 | namespace boost { 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 | }}} |
---|