1// (C) Copyright Ronald Garcia 2002. Permission to copy, use, modify, sell and
2// distribute this software is granted provided this copyright notice appears
3// in all copies. This software is provided "as is" without express or implied
4// warranty, and with no claim as to its suitability for any purpose.
5
6// See http://www.boost.org/libs/utility/shared_container_iterator.html for documentation.
7
8#ifndef SHARED_CONTAINER_ITERATOR_RG08102002_HPP
9#define SHARED_CONTAINER_ITERATOR_RG08102002_HPP
10
11#include "boost/iterator_adaptors.hpp"
12#include "boost/shared_ptr.hpp"
13#include <utility>
14
15namespace boost {
16namespace iterators {
17
18template <typename Container>
19class shared_container_iterator : public iterator_adaptor<
20 shared_container_iterator<Container>,
21 typename Container::iterator> {
22
23 typedef iterator_adaptor<
24 shared_container_iterator<Container>,
25 typename Container::iterator> super_t;
26
27 typedef typename Container::iterator iterator_t;
28 typedef boost::shared_ptr<Container> container_ref_t;
29
30 container_ref_t container_ref;
31public:
32 shared_container_iterator() { }
33
34 shared_container_iterator(iterator_t const& x,container_ref_t const& c) :
35 super_t(x), container_ref(c) { }
36
37
38};
39
40template <typename Container>
41inline shared_container_iterator<Container>
42make_shared_container_iterator(typename Container::iterator iter,
43 boost::shared_ptr<Container> const& container) {
44 typedef shared_container_iterator<Container> iterator;
45 return iterator(iter,container);
46}
47
48
49
50template <typename Container>
51inline std::pair<
52 shared_container_iterator<Container>,
53 shared_container_iterator<Container> >
54make_shared_container_range(boost::shared_ptr<Container> const& container) {
55 return
56 std::make_pair(
57 make_shared_container_iterator(container->begin(),container),
58 make_shared_container_iterator(container->end(),container));
59}
60
61} // namespace iterators
62
63using iterators::shared_container_iterator;
64using iterators::make_shared_container_iterator;
65using iterators::make_shared_container_range;
66
67} // namespace boost
68
69#endif // SHARED_CONTAINER_ITERATOR_RG08102002_HPP
70

source code of boost/boost/shared_container_iterator.hpp