79 lines
1.7 KiB
C++
79 lines
1.7 KiB
C++
// 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 std::iterator<std::output_iterator_tag, void, void, void, void>
|
|
{
|
|
public:
|
|
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
|