Chris@16: // Boost.Geometry Index
Chris@16: //
Chris@16: // Insert iterator
Chris@16: //
Chris@16: // Copyright (c) 2011-2013 Adam Wulkiewicz, Lodz, Poland.
Chris@16: //
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_INDEX_INSERTER_HPP
Chris@16: #define BOOST_GEOMETRY_INDEX_INSERTER_HPP
Chris@16: 
Chris@16: #include <iterator>
Chris@16: 
Chris@16: /*!
Chris@16: \defgroup inserters Inserters (boost::geometry::index::)
Chris@16: */
Chris@16: 
Chris@16: namespace boost { namespace geometry { namespace index {
Chris@16: 
Chris@16: template <class Container>
Chris@16: class insert_iterator :
Chris@16:     public std::iterator<std::output_iterator_tag, void, void, void, void>
Chris@16: {
Chris@16: public:
Chris@16:     typedef Container container_type;
Chris@16: 
Chris@16:     inline explicit insert_iterator(Container & c)
Chris@16:         : container(&c)
Chris@16:     {}
Chris@16:     
Chris@16:     insert_iterator & operator=(typename Container::value_type const& value)
Chris@16:     {
Chris@16:         container->insert(value);
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     insert_iterator & operator* ()
Chris@16:     {
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     insert_iterator & operator++ ()
Chris@16:     {
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16:     insert_iterator operator++(int)
Chris@16:     {
Chris@16:         return *this;
Chris@16:     }
Chris@16: 
Chris@16: private:
Chris@16:     Container * container;
Chris@16: };
Chris@16: 
Chris@16: /*!
Chris@16: \brief Insert iterator generator.
Chris@16: 
Chris@16: Returns insert iterator capable to insert values to the container
Chris@16: (spatial index) which has member function insert(value_type const&) defined.
Chris@16: 
Chris@16: \ingroup inserters
Chris@16: 
Chris@16: \param c    The reference to the container (spatial index) to which values will be inserted.
Chris@16: 
Chris@16: \return     The insert iterator inserting values to the container.
Chris@16: */
Chris@16: template <typename Container>
Chris@16: insert_iterator<Container> inserter(Container & c)
Chris@16: {
Chris@16:     return insert_iterator<Container>(c);
Chris@16: }
Chris@16: 
Chris@16: }}} // namespace boost::geometry::index
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_INDEX_INSERTER_HPP