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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// 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_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
#if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
#include <iostream>
#endif
#include <boost/geometry/algorithms/detail/signed_size_type.hpp>
namespace boost { namespace geometry
{
// Ring Identifier. It is currently: source,multi,ring
struct ring_identifier
{
inline ring_identifier()
: source_index(-1)
, multi_index(-1)
, ring_index(-1)
{}
inline ring_identifier(signed_size_type src,
signed_size_type mul,
signed_size_type rin)
: source_index(src)
, multi_index(mul)
, ring_index(rin)
{}
inline bool operator<(ring_identifier const& other) const
{
return source_index != other.source_index ? source_index < other.source_index
: multi_index !=other.multi_index ? multi_index < other.multi_index
: ring_index < other.ring_index
;
}
inline bool operator==(ring_identifier const& other) const
{
return source_index == other.source_index
&& ring_index == other.ring_index
&& multi_index == other.multi_index
;
}
#if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
friend std::ostream& operator<<(std::ostream &os, ring_identifier const& ring_id)
{
os << "(s:" << ring_id.source_index;
if (ring_id.ring_index >= 0) os << ", r:" << ring_id.ring_index;
if (ring_id.multi_index >= 0) os << ", m:" << ring_id.multi_index;
os << ")";
return os;
}
#endif
signed_size_type source_index;
signed_size_type multi_index;
signed_size_type ring_index;
};
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP