Chris@16: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@16: 
Chris@16: // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
Chris@16: #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
Chris@16: 
Chris@16: 
Chris@101: #if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
Chris@101: #include <iostream>
Chris@101: #endif
Chris@101: 
Chris@101: 
Chris@101: #include <boost/geometry/algorithms/detail/signed_index_type.hpp>
Chris@101: 
Chris@101: 
Chris@16: namespace boost { namespace geometry
Chris@16: {
Chris@16: 
Chris@16: 
Chris@16: // Ring Identifier. It is currently: source,multi,ring
Chris@16: struct ring_identifier
Chris@16: {
Chris@16: 
Chris@16:     inline ring_identifier()
Chris@16:         : source_index(-1)
Chris@16:         , multi_index(-1)
Chris@16:         , ring_index(-1)
Chris@16:     {}
Chris@16: 
Chris@101:     inline ring_identifier(signed_index_type src,
Chris@101:                            signed_index_type mul,
Chris@101:                            signed_index_type rin)
Chris@16:         : source_index(src)
Chris@16:         , multi_index(mul)
Chris@16:         , ring_index(rin)
Chris@16:     {}
Chris@16: 
Chris@16:     inline bool operator<(ring_identifier const& other) const
Chris@16:     {
Chris@16:         return source_index != other.source_index ? source_index < other.source_index
Chris@16:             : multi_index !=other.multi_index ? multi_index < other.multi_index
Chris@16:             : ring_index < other.ring_index
Chris@16:             ;
Chris@16:     }
Chris@16: 
Chris@16:     inline bool operator==(ring_identifier const& other) const
Chris@16:     {
Chris@16:         return source_index == other.source_index
Chris@16:             && ring_index == other.ring_index
Chris@16:             && multi_index == other.multi_index
Chris@16:             ;
Chris@16:     }
Chris@16: 
Chris@16: #if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
Chris@16:     friend std::ostream& operator<<(std::ostream &os, ring_identifier const& ring_id)
Chris@16:     {
Chris@16:         os << "(s:" << ring_id.source_index;
Chris@16:         if (ring_id.ring_index >= 0) os << ", r:" << ring_id.ring_index;
Chris@16:         if (ring_id.multi_index >= 0) os << ", m:" << ring_id.multi_index;
Chris@16:         os << ")";
Chris@16:         return os;
Chris@16:     }
Chris@16: #endif
Chris@16: 
Chris@16: 
Chris@101:     signed_index_type source_index;
Chris@101:     signed_index_type multi_index;
Chris@101:     signed_index_type ring_index;
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: }} // namespace boost::geometry
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP