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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | ||
5 | // Use, modification and distribution is subject to the Boost Software License, | |
6 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt) | |
8 | ||
9 | #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP | |
10 | #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP | |
11 | ||
12 | ||
13 | #if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER) | |
14 | #include <iostream> | |
15 | #endif | |
16 | ||
17 | ||
18 | #include <boost/geometry/algorithms/detail/signed_size_type.hpp> | |
19 | ||
20 | ||
21 | namespace boost { namespace geometry | |
22 | { | |
23 | ||
24 | ||
25 | // Ring Identifier. It is currently: source,multi,ring | |
26 | struct ring_identifier | |
27 | { | |
28 | ||
29 | inline ring_identifier() | |
30 | : source_index(-1) | |
31 | , multi_index(-1) | |
32 | , ring_index(-1) | |
33 | {} | |
34 | ||
35 | inline ring_identifier(signed_size_type src, | |
36 | signed_size_type mul, | |
37 | signed_size_type rin) | |
38 | : source_index(src) | |
39 | , multi_index(mul) | |
40 | , ring_index(rin) | |
41 | {} | |
42 | ||
43 | inline bool operator<(ring_identifier const& other) const | |
44 | { | |
45 | return source_index != other.source_index ? source_index < other.source_index | |
46 | : multi_index !=other.multi_index ? multi_index < other.multi_index | |
47 | : ring_index < other.ring_index | |
48 | ; | |
49 | } | |
50 | ||
51 | inline bool operator==(ring_identifier const& other) const | |
52 | { | |
53 | return source_index == other.source_index | |
54 | && ring_index == other.ring_index | |
55 | && multi_index == other.multi_index | |
56 | ; | |
57 | } | |
58 | ||
59 | inline bool operator!=(ring_identifier const& other) const | |
60 | { | |
61 | return ! operator==(other); | |
62 | } | |
63 | ||
64 | #if defined(BOOST_GEOMETRY_DEBUG_IDENTIFIER) | |
65 | friend std::ostream& operator<<(std::ostream &os, ring_identifier const& ring_id) | |
66 | { | |
67 | os << "(s:" << ring_id.source_index; | |
68 | if (ring_id.ring_index >= 0) os << ", r:" << ring_id.ring_index; | |
69 | if (ring_id.multi_index >= 0) os << ", m:" << ring_id.multi_index; | |
70 | os << ")"; | |
71 | return os; | |
72 | } | |
73 | #endif | |
74 | ||
75 | ||
76 | signed_size_type source_index; | |
77 | signed_size_type multi_index; | |
78 | signed_size_type ring_index; | |
79 | }; | |
80 | ||
81 | ||
82 | }} // namespace boost::geometry | |
83 | ||
84 | ||
85 | #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RING_IDENTIFIER_HPP |