// (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 |