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7c673cae FG |
1 | // Boost.Assign library |
2 | // | |
3 | // Copyright Thorsten Ottosen 2003-2005. Use, modification and | |
4 | // distribution is subject to the Boost Software License, Version | |
5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | // | |
8 | // For more information, see http://www.boost.org/libs/assign/ | |
9 | // | |
10 | ||
11 | ||
12 | #ifndef BOOST_ASSIGN_PTR_LIST_OF_HPP | |
13 | #define BOOST_ASSIGN_PTR_LIST_OF_HPP | |
14 | ||
15 | #if defined(_MSC_VER) | |
16 | # pragma once | |
17 | #endif | |
18 | ||
19 | #include <boost/assign/list_of.hpp> | |
20 | #include <boost/type_traits/remove_const.hpp> | |
21 | #include <boost/type_traits/remove_reference.hpp> | |
22 | #include <boost/type_traits/is_reference.hpp> | |
23 | #include <boost/static_assert.hpp> | |
24 | #include <boost/type_traits/detail/yes_no_type.hpp> | |
25 | #include <boost/type_traits/decay.hpp> | |
26 | #include <boost/type_traits/is_array.hpp> | |
27 | #include <boost/mpl/if.hpp> | |
28 | #include <boost/ptr_container/ptr_vector.hpp> | |
92f5a8d4 TL |
29 | #include <boost/move/utility.hpp> |
30 | ||
31 | #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES) | |
7c673cae FG |
32 | |
33 | #include <boost/preprocessor/repetition/enum_binary_params.hpp> | |
34 | #include <boost/preprocessor/repetition/enum_params.hpp> | |
35 | #include <boost/preprocessor/iteration/local.hpp> | |
36 | ||
92f5a8d4 TL |
37 | #endif |
38 | ||
7c673cae FG |
39 | namespace boost |
40 | { | |
41 | ||
42 | namespace assign_detail | |
43 | { | |
44 | ///////////////////////////////////////////////////////////////////////// | |
45 | // Part 1: flexible and efficient interface | |
92f5a8d4 | 46 | ///////////////////////////////////////////////////////////////////////// |
7c673cae | 47 | |
92f5a8d4 TL |
48 | template< class T > |
49 | class generic_ptr_list : | |
7c673cae | 50 | public converter< generic_ptr_list<T>, |
92f5a8d4 | 51 | BOOST_DEDUCED_TYPENAME boost::ptr_vector<T>::iterator > |
7c673cae FG |
52 | { |
53 | protected: | |
54 | typedef boost::ptr_vector<T> impl_type; | |
11fdf7f2 TL |
55 | #if defined(BOOST_NO_AUTO_PTR) |
56 | typedef std::unique_ptr<impl_type> release_type; | |
57 | #else | |
7c673cae | 58 | typedef std::auto_ptr<impl_type> release_type; |
11fdf7f2 | 59 | #endif |
7c673cae | 60 | mutable impl_type values_; |
92f5a8d4 | 61 | |
7c673cae FG |
62 | public: |
63 | typedef BOOST_DEDUCED_TYPENAME impl_type::iterator iterator; | |
64 | typedef iterator const_iterator; | |
65 | typedef BOOST_DEDUCED_TYPENAME impl_type::value_type value_type; | |
66 | typedef BOOST_DEDUCED_TYPENAME impl_type::size_type size_type; | |
67 | typedef BOOST_DEDUCED_TYPENAME impl_type::difference_type difference_type; | |
68 | public: | |
69 | generic_ptr_list() : values_( 32u ) | |
70 | { } | |
71 | ||
72 | generic_ptr_list( release_type r ) : values_(r) | |
73 | { } | |
74 | ||
75 | release_type release() | |
76 | { | |
77 | return values_.release(); | |
78 | } | |
92f5a8d4 | 79 | |
7c673cae FG |
80 | public: |
81 | iterator begin() const { return values_.begin(); } | |
82 | iterator end() const { return values_.end(); } | |
83 | bool empty() const { return values_.empty(); } | |
84 | size_type size() const { return values_.size(); } | |
85 | ||
86 | public: | |
87 | ||
88 | operator impl_type() const | |
89 | { | |
92f5a8d4 | 90 | return values_; |
7c673cae | 91 | } |
92f5a8d4 | 92 | |
7c673cae | 93 | template< template<class,class,class> class Seq, class U, |
92f5a8d4 TL |
94 | class CA, class A > |
95 | operator Seq<U,CA,A>() const | |
7c673cae FG |
96 | { |
97 | Seq<U,CA,A> result; | |
98 | result.transfer( result.end(), values_ ); | |
99 | BOOST_ASSERT( empty() ); | |
100 | return result; | |
101 | } | |
102 | ||
103 | template< class PtrContainer > | |
11fdf7f2 TL |
104 | #if defined(BOOST_NO_AUTO_PTR) |
105 | std::unique_ptr<PtrContainer> | |
106 | #else | |
107 | std::auto_ptr<PtrContainer> | |
108 | #endif | |
109 | convert( const PtrContainer* c ) const | |
7c673cae | 110 | { |
11fdf7f2 TL |
111 | #if defined(BOOST_NO_AUTO_PTR) |
112 | std::unique_ptr<PtrContainer> res( new PtrContainer() ); | |
113 | #else | |
7c673cae | 114 | std::auto_ptr<PtrContainer> res( new PtrContainer() ); |
11fdf7f2 | 115 | #endif |
7c673cae | 116 | while( !empty() ) |
92f5a8d4 | 117 | res->insert( res->end(), |
7c673cae FG |
118 | values_.pop_back().release() ); |
119 | return res; | |
120 | } | |
121 | ||
122 | template< class PtrContainer > | |
11fdf7f2 TL |
123 | #if defined(BOOST_NO_AUTO_PTR) |
124 | std::unique_ptr<PtrContainer> | |
125 | #else | |
126 | std::auto_ptr<PtrContainer> | |
127 | #endif | |
128 | to_container( const PtrContainer& c ) const | |
7c673cae | 129 | { |
92f5a8d4 | 130 | return convert( &c ); |
7c673cae | 131 | } |
92f5a8d4 | 132 | |
7c673cae FG |
133 | protected: |
134 | void push_back( T* r ) { values_.push_back( r ); } | |
92f5a8d4 | 135 | |
7c673cae | 136 | public: |
92f5a8d4 TL |
137 | #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
138 | ||
7c673cae FG |
139 | generic_ptr_list& operator()() |
140 | { | |
141 | this->push_back( new T() ); | |
142 | return *this; | |
143 | } | |
144 | ||
145 | template< class U > | |
146 | generic_ptr_list& operator()( const U& u ) | |
147 | { | |
148 | this->push_back( new T(u) ); | |
149 | return *this; | |
150 | } | |
92f5a8d4 TL |
151 | |
152 | ||
7c673cae FG |
153 | #ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value |
154 | #define BOOST_ASSIGN_MAX_PARAMS 5 | |
92f5a8d4 TL |
155 | #endif |
156 | #define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1) | |
7c673cae FG |
157 | #define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class U) |
158 | #define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, U, const& u) | |
159 | #define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, u) | |
160 | ||
161 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) | |
162 | #define BOOST_PP_LOCAL_MACRO(n) \ | |
163 | template< class U, BOOST_ASSIGN_PARAMS1(n) > \ | |
164 | generic_ptr_list& operator()(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \ | |
165 | { \ | |
166 | this->push_back( new T(u, BOOST_ASSIGN_PARAMS3(n))); \ | |
167 | return *this; \ | |
168 | } \ | |
169 | /**/ | |
92f5a8d4 | 170 | |
7c673cae FG |
171 | #include BOOST_PP_LOCAL_ITERATE() |
172 | ||
92f5a8d4 TL |
173 | #else |
174 | template< class... Us > | |
175 | generic_ptr_list& operator()(Us&&... us) | |
176 | { | |
177 | this->push_back(new T(boost::forward<Us>(us)...)); | |
178 | return *this; | |
179 | } | |
180 | #endif | |
181 | ||
182 | ||
183 | ||
7c673cae FG |
184 | }; // class 'generic_ptr_list' |
185 | ||
186 | } // namespace 'assign_detail' | |
187 | ||
188 | namespace assign | |
189 | { | |
92f5a8d4 TL |
190 | #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
191 | ||
7c673cae FG |
192 | template< class T > |
193 | inline assign_detail::generic_ptr_list<T> | |
194 | ptr_list_of() | |
195 | { | |
92f5a8d4 TL |
196 | assign_detail::generic_ptr_list<T> gpl; |
197 | gpl(); | |
198 | return gpl; | |
7c673cae | 199 | } |
92f5a8d4 | 200 | |
7c673cae | 201 | template< class T, class U > |
92f5a8d4 | 202 | inline assign_detail::generic_ptr_list<T> |
7c673cae FG |
203 | ptr_list_of( const U& t ) |
204 | { | |
92f5a8d4 TL |
205 | assign_detail::generic_ptr_list<T> gpl; |
206 | gpl( t ); | |
207 | return gpl; | |
7c673cae FG |
208 | } |
209 | ||
210 | ||
211 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) | |
212 | #define BOOST_PP_LOCAL_MACRO(n) \ | |
213 | template< class T, class U, BOOST_ASSIGN_PARAMS1(n) > \ | |
214 | inline assign_detail::generic_ptr_list<T> \ | |
215 | ptr_list_of(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \ | |
216 | { \ | |
217 | return assign_detail::generic_ptr_list<T>()(u, BOOST_ASSIGN_PARAMS3(n)); \ | |
218 | } \ | |
219 | /**/ | |
92f5a8d4 | 220 | |
7c673cae FG |
221 | #include BOOST_PP_LOCAL_ITERATE() |
222 | ||
92f5a8d4 TL |
223 | #else |
224 | template< class T, class... Us > | |
225 | inline assign_detail::generic_ptr_list<T> | |
226 | ptr_list_of(Us&&... us) | |
227 | { | |
228 | assign_detail::generic_ptr_list<T> gpl; | |
229 | gpl(boost::forward<Us>(us)...); | |
230 | return gpl; | |
231 | } | |
232 | ||
233 | #endif | |
7c673cae FG |
234 | |
235 | } // namespace 'assign' | |
236 | } // namespace 'boost' | |
237 | ||
92f5a8d4 | 238 | #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
7c673cae FG |
239 | |
240 | #undef BOOST_ASSIGN_PARAMS1 | |
241 | #undef BOOST_ASSIGN_PARAMS2 | |
242 | #undef BOOST_ASSIGN_PARAMS3 | |
243 | #undef BOOST_ASSIGN_MAX_PARAMETERS | |
244 | ||
245 | #endif | |
92f5a8d4 TL |
246 | |
247 | #endif |