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comparison DEPENDENCIES/generic/include/boost/mpl/map/aux_/iterator.hpp @ 16:2665513ce2d3

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Add boost headers
author Chris Cannam
date Tue, 05 Aug 2014 11:11:38 +0100
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children c530137014c0
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15:663ca0da4350 16:2665513ce2d3
1
2 #ifndef BOOST_MPL_MAP_AUX_ITERATOR_HPP_INCLUDED
3 #define BOOST_MPL_MAP_AUX_ITERATOR_HPP_INCLUDED
4
5 // Copyright Aleksey Gurtovoy 2003-2004
6 // Copyright David Abrahams 2003-2004
7 //
8 // Distributed under the Boost Software License, Version 1.0.
9 // (See accompanying file LICENSE_1_0.txt or copy at
10 // http://www.boost.org/LICENSE_1_0.txt)
11 //
12 // See http://www.boost.org/libs/mpl for documentation.
13
14 // $Id: iterator.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
15 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
16 // $Revision: 49267 $
17
18 #include <boost/mpl/map/aux_/map0.hpp>
19 #include <boost/mpl/map/aux_/at_impl.hpp>
20 #include <boost/mpl/map/aux_/tag.hpp>
21 #include <boost/mpl/iterator_tags.hpp>
22 #include <boost/mpl/if.hpp>
23 #include <boost/mpl/next.hpp>
24 #include <boost/mpl/deref.hpp>
25 #include <boost/mpl/long.hpp>
26 #include <boost/mpl/void.hpp>
27 #include <boost/mpl/aux_/nttp_decl.hpp>
28 #include <boost/mpl/aux_/config/ctps.hpp>
29
30 namespace boost { namespace mpl {
31
32 #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
33
34 template<
35 typename Map
36 , long order
37 , long max_order
38 >
39 struct next_order
40 : if_<
41 is_void_< typename item_by_order<Map,order>::type >
42 , next_order<Map,(order+1),max_order>
43 , long_<order>
44 >::type
45 {
46 };
47
48 template<
49 typename Map
50 , long max_order
51 >
52 struct next_order<Map,max_order,max_order>
53 : long_<max_order>
54 {
55 };
56
57
58 template< typename Map, long order, long max_order >
59 struct m_iter
60 {
61 typedef forward_iterator_tag category;
62 typedef typename item_by_order<Map,order>::type type;
63 };
64
65 template< typename Map, long max_order >
66 struct m_iter<Map,max_order,max_order>
67 {
68 typedef forward_iterator_tag category;
69 };
70
71
72 template< typename Map, long order, long max_order >
73 struct next< m_iter<Map,order,max_order> >
74 {
75 typedef m_iter<
76 Map
77 , next_order<Map,order+1,max_order>::value
78 , max_order
79 > type;
80 };
81
82 template< typename Map, long max_order >
83 struct next< m_iter<Map,max_order,max_order> >
84 {
85 };
86
87 #else
88
89 template<
90 typename Map
91 , BOOST_MPL_AUX_NTTP_DECL(long, order)
92 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
93 >
94 struct next_order;
95
96 template<
97 typename Map
98 , BOOST_MPL_AUX_NTTP_DECL(long, order)
99 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
100 >
101 struct next_order_impl
102 : if_<
103 is_void_< typename item_by_order<Map,order>::type >
104 , next_order<Map,(order+1),max_order>
105 , long_<order>
106 >::type
107 {
108 };
109
110 template<
111 typename Map
112 , BOOST_MPL_AUX_NTTP_DECL(long, order)
113 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
114 >
115 struct next_order
116 : if_c<
117 (order != max_order)
118 , next_order_impl<Map,order,max_order>
119 , long_<order>
120 >::type
121 {
122 };
123
124
125 template<
126 typename Map
127 , BOOST_MPL_AUX_NTTP_DECL(long, order)
128 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
129 >
130 struct m_iter;
131
132 struct m_iter_empty_base {};
133
134 template<
135 typename Map
136 , BOOST_MPL_AUX_NTTP_DECL(long, order)
137 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
138 >
139 struct m_iter_base
140 {
141 typedef typename item_by_order<Map,order>::type type;
142
143 typedef m_iter<
144 Map
145 , next_order<Map,order+1,max_order>::value
146 , max_order
147 > next;
148 };
149
150 template<
151 typename Map
152 , BOOST_MPL_AUX_NTTP_DECL(long, order)
153 , BOOST_MPL_AUX_NTTP_DECL(long, max_order)
154 >
155 struct m_iter
156 : if_c<
157 (order == max_order)
158 , m_iter_empty_base
159 , m_iter_base<Map,order,max_order>
160 >::type
161 {
162 typedef forward_iterator_tag category;
163 };
164
165 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
166
167 }}
168
169 #endif // BOOST_MPL_MAP_AUX_ITERATOR_HPP_INCLUDED