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1 | /* Copyright 2006-2015 Joaquin M Lopez Munoz. |
2 | * Distributed under the Boost Software License, Version 1.0. | |
3 | * (See accompanying file LICENSE_1_0.txt or copy at | |
4 | * http://www.boost.org/LICENSE_1_0.txt) | |
5 | * | |
6 | * See http://www.boost.org/libs/flyweight for library home page. | |
7 | */ | |
8 | ||
9 | #ifndef BOOST_FLYWEIGHT_FLYWEIGHT_FWD_HPP | |
10 | #define BOOST_FLYWEIGHT_FLYWEIGHT_FWD_HPP | |
11 | ||
12 | #if defined(_MSC_VER) | |
13 | #pragma once | |
14 | #endif | |
15 | ||
16 | #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ | |
17 | #include <boost/detail/templated_streams.hpp> | |
18 | #include <boost/detail/workaround.hpp> | |
19 | #include <boost/parameter/parameters.hpp> | |
20 | #include <boost/preprocessor/punctuation/comma.hpp> | |
21 | #include <iosfwd> | |
22 | ||
23 | #if !defined(BOOST_FLYWEIGHT_DISABLE_HASH_SUPPORT) | |
24 | #include <boost/functional/hash_fwd.hpp> | |
25 | #include <cstddef> | |
26 | #endif | |
27 | ||
28 | namespace boost{ | |
29 | ||
30 | namespace flyweights{ | |
31 | ||
32 | template< | |
33 | typename T, | |
34 | typename Arg1=parameter::void_, | |
35 | typename Arg2=parameter::void_, | |
36 | typename Arg3=parameter::void_, | |
37 | typename Arg4=parameter::void_, | |
38 | typename Arg5=parameter::void_ | |
39 | > | |
40 | class flyweight; | |
41 | ||
42 | #define BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(n) \ | |
43 | typename Arg##n##1,typename Arg##n##2,typename Arg##n##3, \ | |
44 | typename Arg##n##4,typename Arg##n##5 | |
45 | #define BOOST_FLYWEIGHT_TEMPL_ARGS(n) \ | |
46 | Arg##n##1,Arg##n##2,Arg##n##3,Arg##n##4,Arg##n##5 | |
47 | ||
48 | template< | |
49 | typename T1,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(1), | |
50 | typename T2,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(2) | |
51 | > | |
52 | bool operator==( | |
53 | const flyweight<T1,BOOST_FLYWEIGHT_TEMPL_ARGS(1)>& x, | |
54 | const flyweight<T2,BOOST_FLYWEIGHT_TEMPL_ARGS(2)>& y); | |
55 | ||
56 | template< | |
57 | typename T1,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(1), | |
58 | typename T2,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(2) | |
59 | > | |
60 | bool operator<( | |
61 | const flyweight<T1,BOOST_FLYWEIGHT_TEMPL_ARGS(1)>& x, | |
62 | const flyweight<T2,BOOST_FLYWEIGHT_TEMPL_ARGS(2)>& y); | |
63 | ||
64 | #if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING) | |
65 | template< | |
66 | typename T1,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(1), | |
67 | typename T2 | |
68 | > | |
69 | bool operator==( | |
70 | const flyweight<T1,BOOST_FLYWEIGHT_TEMPL_ARGS(1)>& x,const T2& y); | |
71 | ||
72 | template< | |
73 | typename T1, | |
74 | typename T2,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(2) | |
75 | > | |
76 | bool operator==( | |
77 | const T1& x,const flyweight<T2,BOOST_FLYWEIGHT_TEMPL_ARGS(2)>& y); | |
78 | ||
79 | template< | |
80 | typename T1,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(1), | |
81 | typename T2 | |
82 | > | |
83 | bool operator<( | |
84 | const flyweight<T1,BOOST_FLYWEIGHT_TEMPL_ARGS(1)>& x,const T2& y); | |
85 | ||
86 | template< | |
87 | typename T1, | |
88 | typename T2,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(2) | |
89 | > | |
90 | bool operator<( | |
91 | const T1& x,const flyweight<T2,BOOST_FLYWEIGHT_TEMPL_ARGS(2)>& y); | |
92 | #endif /* !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING) */ | |
93 | ||
94 | #define BOOST_FLYWEIGHT_COMPLETE_COMP_OPS_DECL(t,a1,a2) \ | |
95 | template<t> \ | |
96 | inline bool operator!=(const a1& x,const a2& y); \ | |
97 | \ | |
98 | template<t> \ | |
99 | inline bool operator>(const a1& x,const a2& y); \ | |
100 | \ | |
101 | template<t> \ | |
102 | inline bool operator>=(const a1& x,const a2& y); \ | |
103 | \ | |
104 | template<t> \ | |
105 | inline bool operator<=(const a1& x,const a2& y); \ | |
106 | ||
107 | BOOST_FLYWEIGHT_COMPLETE_COMP_OPS_DECL( | |
108 | typename T1 BOOST_PP_COMMA() | |
109 | BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(1) BOOST_PP_COMMA() | |
110 | typename T2 BOOST_PP_COMMA() | |
111 | BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(2), | |
112 | flyweight< | |
113 | T1 BOOST_PP_COMMA() BOOST_FLYWEIGHT_TEMPL_ARGS(1) | |
114 | >, | |
115 | flyweight< | |
116 | T2 BOOST_PP_COMMA() BOOST_FLYWEIGHT_TEMPL_ARGS(2) | |
117 | >) | |
118 | ||
119 | #if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING) | |
120 | BOOST_FLYWEIGHT_COMPLETE_COMP_OPS_DECL( | |
121 | typename T1 BOOST_PP_COMMA() | |
122 | BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(1) BOOST_PP_COMMA() | |
123 | typename T2, | |
124 | flyweight< | |
125 | T1 BOOST_PP_COMMA() BOOST_FLYWEIGHT_TEMPL_ARGS(1) | |
126 | >, | |
127 | T2) | |
128 | ||
129 | BOOST_FLYWEIGHT_COMPLETE_COMP_OPS_DECL( | |
130 | typename T1 BOOST_PP_COMMA() | |
131 | typename T2 BOOST_PP_COMMA() | |
132 | BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(2), | |
133 | T1, | |
134 | flyweight< | |
135 | T2 BOOST_PP_COMMA() BOOST_FLYWEIGHT_TEMPL_ARGS(2) | |
136 | >) | |
137 | #endif /* !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING) */ | |
138 | ||
139 | template<typename T,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(_)> | |
140 | inline void swap( | |
141 | flyweight<T,BOOST_FLYWEIGHT_TEMPL_ARGS(_)>& x, | |
142 | flyweight<T,BOOST_FLYWEIGHT_TEMPL_ARGS(_)>& y); | |
143 | ||
144 | template< | |
145 | BOOST_TEMPLATED_STREAM_ARGS(ElemType,Traits) | |
146 | BOOST_TEMPLATED_STREAM_COMMA | |
147 | typename T,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(_) | |
148 | > | |
149 | inline BOOST_TEMPLATED_STREAM(ostream,ElemType,Traits)& operator<<( | |
150 | BOOST_TEMPLATED_STREAM(ostream,ElemType,Traits)& out, | |
151 | const flyweight<T,BOOST_FLYWEIGHT_TEMPL_ARGS(_)>& x); | |
152 | ||
153 | template< | |
154 | BOOST_TEMPLATED_STREAM_ARGS(ElemType,Traits) | |
155 | BOOST_TEMPLATED_STREAM_COMMA | |
156 | typename T,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(_) | |
157 | > | |
158 | inline BOOST_TEMPLATED_STREAM(istream,ElemType,Traits)& operator>>( | |
159 | BOOST_TEMPLATED_STREAM(istream,ElemType,Traits)& in, | |
160 | flyweight<T,BOOST_FLYWEIGHT_TEMPL_ARGS(_)>& x); | |
161 | ||
162 | } /* namespace flyweights */ | |
163 | ||
164 | using flyweights::flyweight; | |
165 | ||
166 | } /* namespace boost */ | |
167 | ||
168 | #if !defined(BOOST_FLYWEIGHT_DISABLE_HASH_SUPPORT) | |
169 | #if !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) | |
170 | ||
171 | #if BOOST_WORKAROUND(_CPPLIB_VER,==520) | |
172 | /* Dinkumware 5.20 defines std::hash as class rather than struct */ | |
173 | #define BOOST_FLYWEIGHT_STD_HASH_STRUCT_KEYWORD class | |
174 | #else | |
175 | #define BOOST_FLYWEIGHT_STD_HASH_STRUCT_KEYWORD struct | |
176 | #endif | |
177 | ||
178 | #if !defined(_LIBCPP_VERSION) | |
179 | namespace std{ | |
180 | template <class T> BOOST_FLYWEIGHT_STD_HASH_STRUCT_KEYWORD hash; | |
181 | } | |
182 | #else | |
183 | /* As discussed in http://lists.boost.org/Archives/boost/2011/02/177218.php */ | |
184 | #include <functional> | |
185 | #endif | |
186 | ||
187 | namespace std{ | |
188 | ||
189 | template<typename T,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(_)> | |
190 | BOOST_FLYWEIGHT_STD_HASH_STRUCT_KEYWORD | |
191 | hash<boost::flyweight<T,BOOST_FLYWEIGHT_TEMPL_ARGS(_)> >; | |
192 | ||
193 | } /* namespace std */ | |
194 | #endif /* !defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) */ | |
195 | ||
196 | namespace boost{ | |
197 | #if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) | |
198 | namespace flyweights{ | |
199 | #endif | |
200 | ||
201 | template<typename T,BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS(_)> | |
202 | inline std::size_t hash_value( | |
203 | const flyweight<T,BOOST_FLYWEIGHT_TEMPL_ARGS(_)>& x); | |
204 | ||
205 | #if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP) | |
206 | } /* namespace flyweights */ | |
207 | #endif | |
208 | } /* namespace boost */ | |
209 | #endif /* !defined(BOOST_FLYWEIGHT_DISABLE_HASH_SUPPORT) */ | |
210 | ||
211 | #undef BOOST_FLYWEIGHT_COMPLETE_COMP_OPS_DECL | |
212 | #undef BOOST_FLYWEIGHT_TEMPL_ARGS | |
213 | #undef BOOST_FLYWEIGHT_TYPENAME_TEMPL_ARGS | |
214 | ||
215 | #endif |