| // (C) Copyright Ronald Garcia 2002. Permission to copy, use, modify, sell and |
| // distribute this software is granted provided this copyright notice appears |
| // in all copies. This software is provided "as is" without express or implied |
| // warranty, and with no claim as to its suitability for any purpose. |
| |
| // See http://www.boost.org/libs/utility/shared_container_iterator.html for documentation. |
| |
| #ifndef SHARED_CONTAINER_ITERATOR_RG08102002_HPP |
| #define SHARED_CONTAINER_ITERATOR_RG08102002_HPP |
| |
| #include "boost/iterator_adaptors.hpp" |
| #include "boost/shared_ptr.hpp" |
| #include <utility> |
| |
| namespace boost { |
| |
| template <typename Container> |
| class shared_container_iterator : public iterator_adaptor< |
| shared_container_iterator<Container>, |
| typename Container::iterator> { |
| |
| typedef iterator_adaptor< |
| shared_container_iterator<Container>, |
| typename Container::iterator> super_t; |
| |
| typedef typename Container::iterator iterator_t; |
| typedef boost::shared_ptr<Container> container_ref_t; |
| |
| container_ref_t container_ref; |
| public: |
| shared_container_iterator() { } |
| |
| shared_container_iterator(iterator_t const& x,container_ref_t const& c) : |
| super_t(x), container_ref(c) { } |
| |
| |
| }; |
| |
| template <typename Container> |
| shared_container_iterator<Container> |
| make_shared_container_iterator(typename Container::iterator iter, |
| boost::shared_ptr<Container> const& container) { |
| typedef shared_container_iterator<Container> iterator; |
| return iterator(iter,container); |
| } |
| |
| |
| |
| template <typename Container> |
| std::pair< |
| shared_container_iterator<Container>, |
| shared_container_iterator<Container> > |
| make_shared_container_range(boost::shared_ptr<Container> const& container) { |
| return |
| std::make_pair( |
| make_shared_container_iterator(container->begin(),container), |
| make_shared_container_iterator(container->end(),container)); |
| } |
| |
| |
| } // namespace boost |
| #endif // SHARED_CONTAINER_ITERATOR_RG08102002_HPP |