[857] | 1 | // Boost.Assign library
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| 2 | //
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| 3 | // Copyright Thorsten Ottosen 2003-2005. Use, modification and
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| 4 | // distribution is subject to the Boost Software License, Version
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| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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| 6 | // http://www.boost.org/LICENSE_1_0.txt)
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| 7 | //
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| 8 | // For more information, see http://www.boost.org/libs/assign/
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| 9 | //
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| 10 |
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| 11 | #ifndef BOOST_ASSIGN_PTR_LIST_INSERTER_HPP
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| 12 | #define BOOST_ASSIGN_PTR_LIST_INSERTER_HPP
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| 13 |
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| 14 | #if defined(_MSC_VER) && (_MSC_VER >= 1020)
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| 15 | # pragma once
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| 16 | #endif
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| 17 |
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| 18 | #include <boost/assign/list_inserter.hpp>
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| 19 | #include <boost/type_traits/remove_reference.hpp>
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| 20 | #include <boost/type_traits/remove_pointer.hpp>
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| 21 |
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| 22 | namespace boost
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| 23 | {
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| 24 |
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| 25 | namespace assign
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| 26 | {
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| 27 | template< class Function, class Obj >
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| 28 | class ptr_list_inserter
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| 29 | {
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| 30 | typedef BOOST_DEDUCED_TYPENAME
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| 31 | remove_pointer< BOOST_DEDUCED_TYPENAME
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| 32 | remove_reference<Obj>::type >::type
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| 33 | obj_type;
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| 34 | public:
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| 35 |
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| 36 | ptr_list_inserter( Function fun ) : insert_( fun )
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| 37 | {}
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| 38 |
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| 39 | template< class Function2, class Obj2 >
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| 40 | ptr_list_inserter( const ptr_list_inserter<Function2,Obj2>& r )
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| 41 | : insert_( r.fun_private() )
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| 42 | {}
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| 43 |
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| 44 | ptr_list_inserter( const ptr_list_inserter& r ) : insert_( r.insert_ )
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| 45 | {}
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| 46 |
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| 47 | ptr_list_inserter& operator()()
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| 48 | {
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| 49 | insert_( new obj_type() );
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| 50 | return *this;
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| 51 | }
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| 52 |
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| 53 | template< class T >
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| 54 | ptr_list_inserter& operator()( const T& t )
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| 55 | {
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| 56 | insert_( new obj_type(t) );
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| 57 | return *this;
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| 58 | }
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| 59 |
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| 60 | #ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value
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| 61 | #define BOOST_ASSIGN_MAX_PARAMS 5
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| 62 | #endif
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| 63 | #define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1)
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| 64 | #define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class T)
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| 65 | #define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, T, const& t)
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| 66 | #define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, t)
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| 67 |
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| 68 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS)
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| 69 | #define BOOST_PP_LOCAL_MACRO(n) \
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| 70 | template< class T, BOOST_ASSIGN_PARAMS1(n) > \
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| 71 | ptr_list_inserter& operator()( const T& t, BOOST_ASSIGN_PARAMS2(n) ) \
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| 72 | { \
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| 73 | insert_( new obj_type(t, BOOST_ASSIGN_PARAMS3(n) )); \
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| 74 | return *this; \
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| 75 | } \
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| 76 | /**/
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| 77 |
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| 78 | #include BOOST_PP_LOCAL_ITERATE()
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| 79 |
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| 80 | private:
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| 81 |
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| 82 | ptr_list_inserter& operator=( const ptr_list_inserter& );
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| 83 | Function insert_;
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| 84 | };
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| 85 |
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| 86 | template< class Obj, class Function >
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| 87 | inline ptr_list_inserter< Function, Obj >
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| 88 | make_ptr_list_inserter( Function fun )
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| 89 | {
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| 90 | return ptr_list_inserter< Function, Obj >( fun );
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| 91 | }
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| 92 |
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| 93 | template< class C >
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| 94 | inline ptr_list_inserter< assign_detail::call_push_back<C>,
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| 95 | BOOST_DEDUCED_TYPENAME C::reference >
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| 96 | ptr_push_back( C& c )
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| 97 | {
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| 98 | return make_ptr_list_inserter<BOOST_DEDUCED_TYPENAME C::reference>
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| 99 | ( assign_detail::call_push_back<C>( c ) );
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| 100 | }
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| 101 |
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| 102 | template< class C >
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| 103 | inline ptr_list_inserter< assign_detail::call_push_front<C>,
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| 104 | BOOST_DEDUCED_TYPENAME C::reference >
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| 105 | ptr_push_front( C& c )
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| 106 | {
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| 107 | return make_ptr_list_inserter<BOOST_DEDUCED_TYPENAME C::reference>
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| 108 | ( assign_detail::call_push_front<C>( c ) );
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| 109 | }
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| 110 |
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| 111 | template< class C >
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| 112 | inline ptr_list_inserter< assign_detail::call_insert<C>,
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| 113 | BOOST_DEDUCED_TYPENAME C::reference>
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| 114 | ptr_insert( C& c )
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| 115 | {
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| 116 | return make_ptr_list_inserter<BOOST_DEDUCED_TYPENAME C::reference>
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| 117 | ( assign_detail::call_insert<C>( c ) );
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| 118 | }
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| 119 |
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| 120 | } // namespace 'assign'
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| 121 | } // namespace 'boost'
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| 122 |
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| 123 | #undef BOOST_ASSIGN_PARAMS1
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| 124 | #undef BOOST_ASSIGN_PARAMS2
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| 125 | #undef BOOST_ASSIGN_PARAMS3
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| 126 | #undef BOOST_ASSIGN_MAX_PARAMETERS
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| 127 |
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| 128 | #endif
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