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 |
216 | |