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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 | #ifndef BOOST_ASSIGN_PTR_LIST_INSERTER_HPP | |
12 | #define BOOST_ASSIGN_PTR_LIST_INSERTER_HPP | |
13 | ||
14 | #if defined(_MSC_VER) | |
15 | # pragma once | |
16 | #endif | |
17 | ||
18 | #include <boost/assign/list_inserter.hpp> | |
19 | #include <boost/type_traits/remove_reference.hpp> | |
20 | #include <boost/type_traits/remove_pointer.hpp> | |
21 | ||
22 | namespace boost | |
23 | { | |
24 | ||
25 | namespace assign | |
26 | { | |
27 | template< class Function, class Obj > | |
28 | class ptr_list_inserter | |
29 | { | |
30 | typedef BOOST_DEDUCED_TYPENAME | |
31 | remove_pointer< BOOST_DEDUCED_TYPENAME | |
32 | remove_reference<Obj>::type >::type | |
33 | obj_type; | |
34 | public: | |
35 | ||
36 | ptr_list_inserter( Function fun ) : insert_( fun ) | |
37 | {} | |
38 | ||
39 | template< class Function2, class Obj2 > | |
40 | ptr_list_inserter( const ptr_list_inserter<Function2,Obj2>& r ) | |
41 | : insert_( r.fun_private() ) | |
42 | {} | |
43 | ||
44 | ptr_list_inserter( const ptr_list_inserter& r ) : insert_( r.insert_ ) | |
45 | {} | |
46 | ||
47 | ptr_list_inserter& operator()() | |
48 | { | |
49 | insert_( new obj_type() ); | |
50 | return *this; | |
51 | } | |
52 | ||
53 | template< class T > | |
54 | ptr_list_inserter& operator()( const T& t ) | |
55 | { | |
56 | insert_( new obj_type(t) ); | |
57 | return *this; | |
58 | } | |
59 | ||
60 | #ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value | |
61 | #define BOOST_ASSIGN_MAX_PARAMS 5 | |
62 | #endif | |
63 | #define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1) | |
64 | #define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class T) | |
65 | #define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, T, const& t) | |
66 | #define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, t) | |
67 | ||
68 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) | |
69 | #define BOOST_PP_LOCAL_MACRO(n) \ | |
70 | template< class T, BOOST_ASSIGN_PARAMS1(n) > \ | |
71 | ptr_list_inserter& operator()( const T& t, BOOST_ASSIGN_PARAMS2(n) ) \ | |
72 | { \ | |
73 | insert_( new obj_type(t, BOOST_ASSIGN_PARAMS3(n) )); \ | |
74 | return *this; \ | |
75 | } \ | |
76 | /**/ | |
77 | ||
78 | #include BOOST_PP_LOCAL_ITERATE() | |
79 | ||
80 | private: | |
81 | ||
82 | ptr_list_inserter& operator=( const ptr_list_inserter& ); | |
83 | Function insert_; | |
84 | }; | |
85 | ||
86 | template< class Obj, class Function > | |
87 | inline ptr_list_inserter< Function, Obj > | |
88 | make_ptr_list_inserter( Function fun ) | |
89 | { | |
90 | return ptr_list_inserter< Function, Obj >( fun ); | |
91 | } | |
92 | ||
93 | template< class C > | |
94 | inline ptr_list_inserter< assign_detail::call_push_back<C>, | |
95 | BOOST_DEDUCED_TYPENAME C::reference > | |
96 | ptr_push_back( C& c ) | |
97 | { | |
98 | return make_ptr_list_inserter<BOOST_DEDUCED_TYPENAME C::reference> | |
99 | ( assign_detail::call_push_back<C>( c ) ); | |
100 | } | |
101 | ||
102 | #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING | |
103 | ||
104 | template< class T, class C > | |
105 | inline ptr_list_inserter< assign_detail::call_push_back<C>, T > | |
106 | ptr_push_back( C& c ) | |
107 | { | |
108 | return make_ptr_list_inserter<T>( | |
109 | assign_detail::call_push_back<C>( c ) ); | |
110 | } | |
111 | ||
112 | #endif | |
113 | ||
114 | template< class C > | |
115 | inline ptr_list_inserter< assign_detail::call_push_front<C>, | |
116 | BOOST_DEDUCED_TYPENAME C::reference > | |
117 | ptr_push_front( C& c ) | |
118 | { | |
119 | return make_ptr_list_inserter<BOOST_DEDUCED_TYPENAME C::reference> | |
120 | ( assign_detail::call_push_front<C>( c ) ); | |
121 | } | |
122 | ||
123 | #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING | |
124 | ||
125 | template< class T, class C > | |
126 | inline ptr_list_inserter< assign_detail::call_push_front<C>, T > | |
127 | ptr_push_front( C& c ) | |
128 | { | |
129 | return make_ptr_list_inserter<T>( | |
130 | assign_detail::call_push_front<C>( c ) ); | |
131 | } | |
132 | ||
133 | #endif | |
134 | ||
135 | template< class C > | |
136 | inline ptr_list_inserter< assign_detail::call_insert<C>, | |
137 | BOOST_DEDUCED_TYPENAME C::reference> | |
138 | ptr_insert( C& c ) | |
139 | { | |
140 | return make_ptr_list_inserter<BOOST_DEDUCED_TYPENAME C::reference> | |
141 | ( assign_detail::call_insert<C>( c ) ); | |
142 | } | |
143 | ||
144 | #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING | |
145 | ||
146 | template< class T, class C > | |
147 | inline ptr_list_inserter< assign_detail::call_insert<C>, T > | |
148 | ptr_insert( C& c ) | |
149 | { | |
150 | return make_ptr_list_inserter<T>( assign_detail::call_insert<C>( c ) ); | |
151 | } | |
152 | ||
153 | #endif | |
154 | ||
155 | ||
156 | } // namespace 'assign' | |
157 | } // namespace 'boost' | |
158 | ||
159 | #undef BOOST_ASSIGN_PARAMS1 | |
160 | #undef BOOST_ASSIGN_PARAMS2 | |
161 | #undef BOOST_ASSIGN_PARAMS3 | |
162 | #undef BOOST_ASSIGN_MAX_PARAMETERS | |
163 | ||
164 | #endif |