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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 | }}} |