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