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1 | |
2 | #ifndef BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED | |
3 | #define BOOST_MPL_MAP_AUX_ITEM_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 | // $Id$ | |
15 | // $Date$ | |
16 | // $Revision$ | |
17 | ||
18 | #include <boost/mpl/void.hpp> | |
19 | #include <boost/mpl/pair.hpp> | |
20 | #include <boost/mpl/long.hpp> | |
21 | #include <boost/mpl/next.hpp> | |
22 | #include <boost/mpl/prior.hpp> | |
23 | #include <boost/mpl/map/aux_/map0.hpp> | |
24 | #include <boost/mpl/aux_/order_impl.hpp> | |
25 | #include <boost/mpl/aux_/yes_no.hpp> | |
26 | #include <boost/mpl/aux_/type_wrapper.hpp> | |
27 | #include <boost/mpl/aux_/config/arrays.hpp> | |
28 | #include <boost/mpl/aux_/config/typeof.hpp> | |
29 | #include <boost/mpl/aux_/config/ctps.hpp> | |
30 | ||
31 | ||
32 | namespace boost { namespace mpl { | |
33 | ||
34 | #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES) | |
35 | ||
36 | template< typename Key, typename T, typename Base > | |
37 | struct m_item | |
38 | : Base | |
39 | { | |
40 | typedef Key key_; | |
41 | typedef pair<Key,T> item; | |
42 | typedef Base base; | |
43 | typedef m_item type; | |
44 | ||
45 | typedef typename next< typename Base::size >::type size; | |
46 | typedef typename next< typename Base::order >::type order; | |
47 | ||
48 | #if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) | |
49 | typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_; | |
50 | #else | |
51 | typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value]; | |
52 | #endif | |
53 | ||
54 | BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<T>, VALUE_BY_KEY, m_item, aux::type_wrapper<Key>* ); | |
55 | BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<item>, ITEM_BY_ORDER, m_item, order* ); | |
56 | BOOST_MPL_AUX_MAP_OVERLOAD( order_tag_, ORDER_BY_KEY, m_item, aux::type_wrapper<Key>* ); | |
57 | }; | |
58 | ||
59 | ||
60 | template< typename Key, typename Base > | |
61 | struct m_mask | |
62 | : Base | |
63 | { | |
64 | typedef void_ key_; | |
65 | typedef Base base; | |
66 | typedef m_mask type; | |
67 | ||
68 | typedef typename prior< typename Base::size >::type size; | |
69 | typedef typename x_order_impl<Base,Key>::type key_order_; | |
70 | ||
71 | BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<void_>, VALUE_BY_KEY, m_mask, aux::type_wrapper<Key>* ); | |
72 | BOOST_MPL_AUX_MAP_OVERLOAD( aux::type_wrapper<void_>, ITEM_BY_ORDER, m_mask, key_order_* ); | |
73 | }; | |
74 | ||
75 | #else // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES | |
76 | ||
77 | ||
78 | # if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) | |
79 | ||
80 | template< long n, typename Key, typename T, typename Base > | |
81 | struct m_item; | |
82 | ||
83 | # else | |
84 | ||
85 | template< long n > | |
86 | struct m_item_impl | |
87 | { | |
88 | template< typename Key, typename T, typename Base > | |
89 | struct result_; | |
90 | }; | |
91 | ||
92 | template< long n, typename Key, typename T, typename Base > | |
93 | struct m_item | |
94 | : m_item_impl<n>::result_<Key,T,Base> | |
95 | { | |
96 | }; | |
97 | ||
98 | ||
99 | # endif | |
100 | ||
101 | ||
102 | template< typename Key, typename T, typename Base > | |
103 | struct m_item_ | |
104 | : Base | |
105 | { | |
106 | typedef Key key_; | |
107 | typedef Base base; | |
108 | typedef m_item_ type; | |
109 | ||
110 | typedef typename next< typename Base::size >::type size; | |
111 | typedef typename next< typename Base::order >::type order; | |
112 | ||
113 | #if defined(BOOST_MPL_CFG_NO_DEPENDENT_ARRAY_TYPES) | |
114 | typedef typename aux::weighted_tag<BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value>::type order_tag_; | |
115 | #else | |
116 | typedef char (&order_tag_)[BOOST_MPL_AUX_MSVC_VALUE_WKND(order)::value]; | |
117 | #endif | |
118 | ||
119 | BOOST_MPL_AUX_MAP_OVERLOAD( order_tag_, ORDER_BY_KEY, m_item_, aux::type_wrapper<Key>* ); | |
120 | }; | |
121 | ||
122 | template< typename Key, typename Base > | |
123 | struct m_mask | |
124 | : Base | |
125 | { | |
126 | typedef void_ key_; | |
127 | typedef Base base; | |
128 | typedef m_mask type; | |
129 | ||
130 | typedef typename prior< typename Base::size >::type size; | |
131 | typedef typename x_order_impl<Base,Key>::type key_order_; | |
132 | ||
133 | BOOST_MPL_AUX_MAP_OVERLOAD( aux::no_tag, ORDER_BY_KEY, m_mask, aux::type_wrapper<Key>* ); | |
134 | BOOST_MPL_AUX_MAP_OVERLOAD( aux::yes_tag, IS_MASKED, m_mask, key_order_* ); | |
135 | }; | |
136 | ||
137 | #endif // BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES | |
138 | ||
139 | }} | |
140 | ||
141 | #endif // BOOST_MPL_MAP_AUX_ITEM_HPP_INCLUDED |