/usr/include/boost/geometry/index/detail/rtree/node
Edit: /usr/include/boost/geometry/index/detail/rtree/node/weak_visitor.hpp (2155B)
// Boost.Geometry Index
//
// R-tree nodes weak visitor and nodes base type
//
// Copyright (c) 2011-2014 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_DETAIL_RTREE_NODE_WEAK_VISITOR_HPP
#define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_WEAK_VISITOR_HPP
namespace boost { namespace geometry { namespace index {
namespace detail { namespace rtree {
// empty visitor
template
struct weak_visitor {};
// node
template
struct weak_node {};
// nodes variants forward declarations
template
struct weak_internal_node;
template
struct weak_leaf;
// nodes conversion
template
inline Derived & get(weak_node & n)
{
return static_cast(n);
}
// apply visitor
template
inline void apply_visitor(Visitor & v,
weak_node & n,
bool is_internal_node)
{
BOOST_GEOMETRY_INDEX_ASSERT(&n, "null ptr");
if ( is_internal_node )
{
typedef weak_internal_node internal_node;
v(get(n));
}
else
{
typedef weak_leaf leaf;
v(get(n));
}
}
}} // namespace detail::rtree
}}} // namespace boost::geometry::index
#endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_NODE_DYNAMIC_VISITOR_HPP