86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
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#if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
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#include <iostream>
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#endif
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#include <boost/geometry/algorithms/detail/signed_size_type.hpp>
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namespace boost { namespace geometry
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{
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// Ring Identifier. It is currently: source,multi,ring
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struct ring_identifier
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{
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inline ring_identifier()
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: source_index(-1)
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, multi_index(-1)
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, ring_index(-1)
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{}
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inline ring_identifier(signed_size_type src,
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signed_size_type mul,
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signed_size_type rin)
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: source_index(src)
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, multi_index(mul)
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, ring_index(rin)
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{}
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inline bool operator<(ring_identifier const& other) const
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{
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return source_index != other.source_index ? source_index < other.source_index
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: multi_index !=other.multi_index ? multi_index < other.multi_index
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: ring_index < other.ring_index
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;
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}
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inline bool operator==(ring_identifier const& other) const
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{
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return source_index == other.source_index
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&& ring_index == other.ring_index
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&& multi_index == other.multi_index
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;
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}
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inline bool operator!=(ring_identifier const& other) const
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{
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return ! operator==(other);
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}
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#if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER)
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friend std::ostream& operator<<(std::ostream &os, ring_identifier const& ring_id)
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{
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os << "(s:" << ring_id.source_index;
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if (ring_id.ring_index >= 0) os << ", r:" << ring_id.ring_index;
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if (ring_id.multi_index >= 0) os << ", m:" << ring_id.multi_index;
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os << ")";
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return os;
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}
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#endif
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signed_size_type source_index;
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signed_size_type multi_index;
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signed_size_type ring_index;
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};
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP
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