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1 | // Boost.Bimap |
2 | // | |
3 | // Copyright (c) 2006-2007 Matias Capeletto | |
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 | /// \file container_adaptor/unordered_map_adaptor.hpp | |
10 | /// \brief Container adaptor to easily build a std::unordered_map signature compatible container. | |
11 | ||
12 | #ifndef BOOST_BIMAP_CONTAINER_ADAPTOR_UNORDERED_MAP_ADAPTOR_HPP | |
13 | #define BOOST_BIMAP_CONTAINER_ADAPTOR_UNORDERED_MAP_ADAPTOR_HPP | |
14 | ||
15 | #if defined(_MSC_VER) | |
16 | #pragma once | |
17 | #endif | |
18 | ||
19 | #include <boost/config.hpp> | |
20 | ||
21 | #include <boost/bimap/container_adaptor/unordered_associative_container_adaptor.hpp> | |
22 | #include <boost/mpl/aux_/na.hpp> | |
23 | #include <boost/mpl/vector.hpp> | |
24 | #include <boost/call_traits.hpp> | |
25 | ||
26 | namespace boost { | |
27 | namespace bimaps { | |
28 | namespace container_adaptor { | |
29 | ||
30 | /// \brief Container adaptor to easily build a std::unordered_map signature compatible container. | |
31 | ||
32 | template | |
33 | < | |
34 | class Base, | |
35 | ||
36 | class Iterator, | |
37 | class ConstIterator, | |
38 | class LocalIterator, | |
39 | class ConstLocalIterator, | |
40 | ||
41 | class IteratorToBaseConverter = ::boost::mpl::na, | |
42 | class IteratorFromBaseConverter = ::boost::mpl::na, | |
43 | class LocalIteratorFromBaseConverter = ::boost::mpl::na, | |
44 | class ValueToBaseConverter = ::boost::mpl::na, | |
45 | class ValueFromBaseConverter = ::boost::mpl::na, | |
46 | class KeyToBaseConverter = ::boost::mpl::na, | |
47 | ||
48 | class FunctorsFromDerivedClasses = mpl::vector<> | |
49 | > | |
50 | class unordered_map_adaptor : | |
51 | ||
52 | public ::boost::bimaps::container_adaptor:: | |
53 | unordered_associative_container_adaptor | |
54 | < | |
55 | Base, | |
56 | Iterator, ConstIterator, LocalIterator, ConstLocalIterator, | |
57 | BOOST_DEDUCED_TYPENAME Iterator::value_type::first_type, | |
58 | IteratorToBaseConverter, IteratorFromBaseConverter, | |
59 | LocalIteratorFromBaseConverter, | |
60 | ValueToBaseConverter, ValueFromBaseConverter, | |
61 | KeyToBaseConverter, | |
62 | FunctorsFromDerivedClasses | |
63 | > | |
64 | { | |
65 | ||
66 | typedef ::boost::bimaps::container_adaptor:: | |
67 | unordered_associative_container_adaptor | |
68 | < | |
69 | Base, | |
70 | Iterator, ConstIterator, LocalIterator, ConstLocalIterator, | |
71 | BOOST_DEDUCED_TYPENAME Iterator::value_type::first_type, | |
72 | IteratorToBaseConverter, IteratorFromBaseConverter, | |
73 | LocalIteratorFromBaseConverter, | |
74 | ValueToBaseConverter, ValueFromBaseConverter, | |
75 | KeyToBaseConverter, | |
76 | FunctorsFromDerivedClasses | |
77 | ||
78 | > base_; | |
79 | ||
80 | // MetaData ------------------------------------------------------------- | |
81 | ||
82 | public: | |
83 | ||
84 | typedef BOOST_DEDUCED_TYPENAME Iterator::value_type::second_type data_type; | |
85 | typedef data_type mapped_type; | |
86 | ||
87 | // Access ----------------------------------------------------------------- | |
88 | ||
89 | public: | |
90 | ||
91 | explicit unordered_map_adaptor(Base & c) : | |
92 | base_(c) {} | |
93 | ||
94 | protected: | |
95 | ||
96 | typedef unordered_map_adaptor unordered_map_adaptor_; | |
97 | ||
98 | // Interface -------------------------------------------------------------- | |
99 | ||
100 | public: | |
101 | ||
102 | template< class CompatibleKey > | |
103 | data_type& operator[](const CompatibleKey & k) | |
104 | { | |
105 | return this->base() | |
106 | [this->template functor<BOOST_DEDUCED_TYPENAME base_::key_to_base>()(k)]; | |
107 | } | |
108 | ||
109 | template< class CompatibleKey > | |
110 | data_type& at(const CompatibleKey & k) | |
111 | { | |
112 | return this->base(). | |
113 | at(this->template functor<BOOST_DEDUCED_TYPENAME base_::key_to_base>()(k)); | |
114 | } | |
115 | ||
116 | template< class CompatibleKey > | |
117 | const data_type& at(const CompatibleKey & k) const | |
118 | { | |
119 | return this->base(). | |
120 | at(this->template functor<BOOST_DEDUCED_TYPENAME base_::key_to_base>()(k)); | |
121 | } | |
122 | ||
123 | }; | |
124 | ||
125 | ||
126 | ||
127 | } // namespace container_adaptor | |
128 | } // namespace bimaps | |
129 | } // namespace boost | |
130 | ||
131 | ||
132 | #endif // BOOST_BIMAP_CONTAINER_ADAPTOR_UNORDERED_MAP_ADAPTOR_HPP | |
133 |