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