2 // Boost.Pointer Container
4 // Copyright Thorsten Ottosen 2003-2005. Use, modification and
5 // distribution is subject to the Boost Software License, Version
6 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
9 // For more information, see http://www.boost.org/libs/ptr_container/
12 #ifndef BOOST_PTR_CONTAINER_MAP_ITERATOR_HPP
13 #define BOOST_PTR_CONTAINER_MAP_ITERATOR_HPP
15 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
19 #include <boost/config.hpp>
20 #include <boost/iterator/iterator_adaptor.hpp>
21 #include <boost/utility/compare_pointees.hpp>
24 #if defined(BOOST_MSVC)
25 # pragma warning(push)
26 # pragma warning(disable:4512) // Assignment operator could not be generated.
31 namespace ptr_container_detail
33 template< class F, class S >
37 typedef S second_type;
42 template< class F2, class S2 >
43 ref_pair( const std::pair<F2,S2>& p )
44 : first(p.first), second(static_cast<S>(p.second))
48 ref_pair( const RP* rp )
49 : first(rp->first), second(rp->second)
52 const ref_pair* const operator->() const
57 friend inline bool operator==( ref_pair l, ref_pair r )
59 return l.first == r.first &&
60 boost::equal_pointees( l.second, r.second );
63 friend inline bool operator!=( ref_pair l, ref_pair r )
68 friend inline bool operator<( ref_pair l, ref_pair r )
70 if( l.first == r.first )
71 return boost::less_pointees( l.second, r.second );
73 return l.first < r.first;
76 friend inline bool operator>( ref_pair l, ref_pair r )
81 friend inline bool operator<=( ref_pair l, ref_pair r )
86 friend inline bool operator>=( ref_pair l, ref_pair r )
95 class I, // base iterator
96 class F, // first type, key type
97 class S // second type, mapped type
99 class ptr_map_iterator :
100 public boost::iterator_adaptor< ptr_map_iterator<I,F,S>, I,
101 ptr_container_detail::ref_pair<F,S>,
103 ptr_container_detail::ref_pair<F,S> >
105 typedef boost::iterator_adaptor< ptr_map_iterator<I,F,S>, I,
106 ptr_container_detail::ref_pair<F,S>,
108 ptr_container_detail::ref_pair<F,S> >
113 ptr_map_iterator() : base_type()
116 explicit ptr_map_iterator( const I& i ) : base_type(i)
119 template< class I2, class F2, class S2 >
120 ptr_map_iterator( const ptr_map_iterator<I2,F2,S2>& r )
121 : base_type(r.base())
124 }; // class 'ptr_map_iterator'
128 #if defined(BOOST_MSVC)
129 # pragma warning(pop)