Chris@16: // (C) Copyright Ronald Garcia 2002. Permission to copy, use, modify, sell and
Chris@16: // distribute this software is granted provided this copyright notice appears
Chris@16: // in all copies. This software is provided "as is" without express or implied
Chris@16: // warranty, and with no claim as to its suitability for any purpose.
Chris@16: 
Chris@16: // See http://www.boost.org/libs/utility/shared_container_iterator.html for documentation.
Chris@16: 
Chris@16: #ifndef SHARED_CONTAINER_ITERATOR_RG08102002_HPP
Chris@16: #define SHARED_CONTAINER_ITERATOR_RG08102002_HPP
Chris@16: 
Chris@16: #include "boost/iterator_adaptors.hpp"
Chris@16: #include "boost/shared_ptr.hpp"
Chris@16: #include <utility>
Chris@16: 
Chris@16: namespace boost {
Chris@101: namespace iterators {
Chris@16: 
Chris@16: template <typename Container>
Chris@16: class shared_container_iterator : public iterator_adaptor<
Chris@16:                                     shared_container_iterator<Container>,
Chris@16:                                     typename Container::iterator> {
Chris@16: 
Chris@16:   typedef iterator_adaptor<
Chris@16:     shared_container_iterator<Container>,
Chris@16:     typename Container::iterator> super_t;
Chris@16: 
Chris@16:   typedef typename Container::iterator iterator_t;
Chris@16:   typedef boost::shared_ptr<Container> container_ref_t;
Chris@16: 
Chris@16:   container_ref_t container_ref;
Chris@16: public:
Chris@16:   shared_container_iterator() { }
Chris@16: 
Chris@16:   shared_container_iterator(iterator_t const& x,container_ref_t const& c) :
Chris@16:     super_t(x), container_ref(c) { }
Chris@16: 
Chris@16: 
Chris@16: };
Chris@16: 
Chris@16: template <typename Container>
Chris@101: inline shared_container_iterator<Container>
Chris@16: make_shared_container_iterator(typename Container::iterator iter,
Chris@16:                                boost::shared_ptr<Container> const& container) {
Chris@16:   typedef shared_container_iterator<Container> iterator;
Chris@16:   return iterator(iter,container);
Chris@16: }
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: template <typename Container>
Chris@101: inline std::pair<
Chris@16:   shared_container_iterator<Container>,
Chris@16:   shared_container_iterator<Container> >
Chris@16: make_shared_container_range(boost::shared_ptr<Container> const& container) {
Chris@16:   return
Chris@16:     std::make_pair(
Chris@16:       make_shared_container_iterator(container->begin(),container),
Chris@16:       make_shared_container_iterator(container->end(),container));
Chris@16: }
Chris@16: 
Chris@101: } // namespace iterators
Chris@101: 
Chris@101: using iterators::shared_container_iterator;
Chris@101: using iterators::make_shared_container_iterator;
Chris@101: using iterators::make_shared_container_range;
Chris@16: 
Chris@16: } // namespace boost
Chris@101: 
Chris@16: #endif  // SHARED_CONTAINER_ITERATOR_RG08102002_HPP