]>
Commit | Line | Data |
---|---|---|
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> | |
29 | ||
30 | #include <boost/preprocessor/repetition/enum_binary_params.hpp> | |
31 | #include <boost/preprocessor/repetition/enum_params.hpp> | |
32 | #include <boost/preprocessor/iteration/local.hpp> | |
33 | ||
34 | namespace boost | |
35 | { | |
36 | ||
37 | namespace assign_detail | |
38 | { | |
39 | ///////////////////////////////////////////////////////////////////////// | |
40 | // Part 1: flexible and efficient interface | |
41 | ///////////////////////////////////////////////////////////////////////// | |
42 | ||
43 | template< class T > | |
44 | class generic_ptr_list : | |
45 | public converter< generic_ptr_list<T>, | |
46 | BOOST_DEDUCED_TYPENAME boost::ptr_vector<T>::iterator > | |
47 | { | |
48 | protected: | |
49 | typedef boost::ptr_vector<T> impl_type; | |
11fdf7f2 TL |
50 | #if defined(BOOST_NO_AUTO_PTR) |
51 | typedef std::unique_ptr<impl_type> release_type; | |
52 | #else | |
7c673cae | 53 | typedef std::auto_ptr<impl_type> release_type; |
11fdf7f2 | 54 | #endif |
7c673cae FG |
55 | mutable impl_type values_; |
56 | ||
57 | public: | |
58 | typedef BOOST_DEDUCED_TYPENAME impl_type::iterator iterator; | |
59 | typedef iterator const_iterator; | |
60 | typedef BOOST_DEDUCED_TYPENAME impl_type::value_type value_type; | |
61 | typedef BOOST_DEDUCED_TYPENAME impl_type::size_type size_type; | |
62 | typedef BOOST_DEDUCED_TYPENAME impl_type::difference_type difference_type; | |
63 | public: | |
64 | generic_ptr_list() : values_( 32u ) | |
65 | { } | |
66 | ||
67 | generic_ptr_list( release_type r ) : values_(r) | |
68 | { } | |
69 | ||
70 | release_type release() | |
71 | { | |
72 | return values_.release(); | |
73 | } | |
74 | ||
75 | public: | |
76 | iterator begin() const { return values_.begin(); } | |
77 | iterator end() const { return values_.end(); } | |
78 | bool empty() const { return values_.empty(); } | |
79 | size_type size() const { return values_.size(); } | |
80 | ||
81 | public: | |
82 | ||
83 | operator impl_type() const | |
84 | { | |
85 | return values_; | |
86 | } | |
87 | ||
88 | template< template<class,class,class> class Seq, class U, | |
89 | class CA, class A > | |
90 | operator Seq<U,CA,A>() const | |
91 | { | |
92 | Seq<U,CA,A> result; | |
93 | result.transfer( result.end(), values_ ); | |
94 | BOOST_ASSERT( empty() ); | |
95 | return result; | |
96 | } | |
97 | ||
98 | template< class PtrContainer > | |
11fdf7f2 TL |
99 | #if defined(BOOST_NO_AUTO_PTR) |
100 | std::unique_ptr<PtrContainer> | |
101 | #else | |
102 | std::auto_ptr<PtrContainer> | |
103 | #endif | |
104 | convert( const PtrContainer* c ) const | |
7c673cae | 105 | { |
11fdf7f2 TL |
106 | #if defined(BOOST_NO_AUTO_PTR) |
107 | std::unique_ptr<PtrContainer> res( new PtrContainer() ); | |
108 | #else | |
7c673cae | 109 | std::auto_ptr<PtrContainer> res( new PtrContainer() ); |
11fdf7f2 | 110 | #endif |
7c673cae FG |
111 | while( !empty() ) |
112 | res->insert( res->end(), | |
113 | values_.pop_back().release() ); | |
114 | return res; | |
115 | } | |
116 | ||
117 | template< class PtrContainer > | |
11fdf7f2 TL |
118 | #if defined(BOOST_NO_AUTO_PTR) |
119 | std::unique_ptr<PtrContainer> | |
120 | #else | |
121 | std::auto_ptr<PtrContainer> | |
122 | #endif | |
123 | to_container( const PtrContainer& c ) const | |
7c673cae FG |
124 | { |
125 | return convert( &c ); | |
126 | } | |
127 | ||
128 | protected: | |
129 | void push_back( T* r ) { values_.push_back( r ); } | |
130 | ||
131 | public: | |
132 | generic_ptr_list& operator()() | |
133 | { | |
134 | this->push_back( new T() ); | |
135 | return *this; | |
136 | } | |
137 | ||
138 | template< class U > | |
139 | generic_ptr_list& operator()( const U& u ) | |
140 | { | |
141 | this->push_back( new T(u) ); | |
142 | return *this; | |
143 | } | |
144 | ||
145 | ||
146 | #ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value | |
147 | #define BOOST_ASSIGN_MAX_PARAMS 5 | |
148 | #endif | |
149 | #define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1) | |
150 | #define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class U) | |
151 | #define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, U, const& u) | |
152 | #define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, u) | |
153 | ||
154 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) | |
155 | #define BOOST_PP_LOCAL_MACRO(n) \ | |
156 | template< class U, BOOST_ASSIGN_PARAMS1(n) > \ | |
157 | generic_ptr_list& operator()(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \ | |
158 | { \ | |
159 | this->push_back( new T(u, BOOST_ASSIGN_PARAMS3(n))); \ | |
160 | return *this; \ | |
161 | } \ | |
162 | /**/ | |
163 | ||
164 | #include BOOST_PP_LOCAL_ITERATE() | |
165 | ||
166 | }; // class 'generic_ptr_list' | |
167 | ||
168 | } // namespace 'assign_detail' | |
169 | ||
170 | namespace assign | |
171 | { | |
172 | template< class T > | |
173 | inline assign_detail::generic_ptr_list<T> | |
174 | ptr_list_of() | |
175 | { | |
176 | return assign_detail::generic_ptr_list<T>()(); | |
177 | } | |
178 | ||
179 | template< class T, class U > | |
180 | inline assign_detail::generic_ptr_list<T> | |
181 | ptr_list_of( const U& t ) | |
182 | { | |
183 | return assign_detail::generic_ptr_list<T>()( t ); | |
184 | } | |
185 | ||
186 | ||
187 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) | |
188 | #define BOOST_PP_LOCAL_MACRO(n) \ | |
189 | template< class T, class U, BOOST_ASSIGN_PARAMS1(n) > \ | |
190 | inline assign_detail::generic_ptr_list<T> \ | |
191 | ptr_list_of(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \ | |
192 | { \ | |
193 | return assign_detail::generic_ptr_list<T>()(u, BOOST_ASSIGN_PARAMS3(n)); \ | |
194 | } \ | |
195 | /**/ | |
196 | ||
197 | #include BOOST_PP_LOCAL_ITERATE() | |
198 | ||
199 | ||
200 | } // namespace 'assign' | |
201 | } // namespace 'boost' | |
202 | ||
203 | ||
204 | #undef BOOST_ASSIGN_PARAMS1 | |
205 | #undef BOOST_ASSIGN_PARAMS2 | |
206 | #undef BOOST_ASSIGN_PARAMS3 | |
207 | #undef BOOST_ASSIGN_MAX_PARAMETERS | |
208 | ||
209 | #endif |