Libosmium  2.17.2
Fast and flexible C++ library for working with OpenStreetMap data
object_comparisons.hpp
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1 #ifndef OSMIUM_OSM_OBJECT_COMPARISONS_HPP
2 #define OSMIUM_OSM_OBJECT_COMPARISONS_HPP
3 
4 /*
5 
6 This file is part of Osmium (https://osmcode.org/libosmium).
7 
8 Copyright 2013-2021 Jochen Topf <jochen@topf.org> and others (see README).
9 
10 Boost Software License - Version 1.0 - August 17th, 2003
11 
12 Permission is hereby granted, free of charge, to any person or organization
13 obtaining a copy of the software and accompanying documentation covered by
14 this license (the "Software") to use, reproduce, display, distribute,
15 execute, and transmit the Software, and to prepare derivative works of the
16 Software, and to permit third-parties to whom the Software is furnished to
17 do so, all subject to the following:
18 
19 The copyright notices in the Software and this entire statement, including
20 the above license grant, this restriction and the following disclaimer,
21 must be included in all copies of the Software, in whole or in part, and
22 all derivative works of the Software, unless such copies or derivative
23 works are solely in the form of machine-executable object code generated by
24 a source language processor.
25 
26 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
27 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28 FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
29 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
30 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
31 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
32 DEALINGS IN THE SOFTWARE.
33 
34 */
35 
36 #include <osmium/osm/object.hpp>
37 #include <osmium/osm/timestamp.hpp>
38 #include <osmium/util/misc.hpp>
39 
40 #include <cassert>
41 #include <cstdlib>
42 #include <tuple>
43 
44 namespace osmium {
45 
51 
52  bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
53  return lhs == rhs;
54  }
55 
57  bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
58  assert(lhs && rhs);
59  return *lhs == *rhs;
60  }
61 
62  }; // struct object_equal_type_id_version
63 
69 
70  bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
71  return lhs.type() == rhs.type() &&
72  lhs.id() == rhs.id();
73  }
74 
76  bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
77  assert(lhs && rhs);
78  return operator()(*lhs, *rhs);
79  }
80 
81  }; // struct object_equal_type_id
82 
87  struct id_order {
88 
89  bool operator()(const object_id_type lhs, const object_id_type rhs) const noexcept {
90  if (rhs == 0) {
91  return false;
92  }
93  if (lhs == 0) {
94  return true;
95  }
96  if (lhs < 0) {
97  if (rhs > 0) {
98  return true;
99  }
100  // rhs < 0
101  return lhs > rhs;
102  }
103  // lhs > 0
104  if (rhs < 0) {
105  return false;
106  }
107  return lhs < rhs;
108  }
109 
110  }; // struct id_order
111 
117 
118  bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
119  return lhs < rhs;
120  }
121 
123  bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
124  assert(lhs && rhs);
125  return *lhs < *rhs;
126  }
127 
128  }; // struct object_order_type_id_version
129 
137 
138  bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
139  return const_tie(lhs.type(), lhs.id() > 0, lhs.positive_id(), lhs.version()) <
140  const_tie(rhs.type(), rhs.id() > 0, rhs.positive_id(), rhs.version());
141  }
142 
144  bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
145  assert(lhs && rhs);
146  return operator()(*lhs, *rhs);
147  }
148 
149  }; // struct object_order_type_id_version_without_timestamp
150 
160 
161  bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
162  return const_tie(lhs.type(), lhs.id() > 0, lhs.positive_id(), rhs.version(),
163  ((lhs.timestamp().valid() && rhs.timestamp().valid()) ? rhs.timestamp() : osmium::Timestamp())) <
164  const_tie(rhs.type(), rhs.id() > 0, rhs.positive_id(), lhs.version(),
165  ((lhs.timestamp().valid() && rhs.timestamp().valid()) ? lhs.timestamp() : osmium::Timestamp()));
166  }
167 
169  bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
170  assert(lhs && rhs);
171  return operator()(*lhs, *rhs);
172  }
173 
174  }; // struct object_order_type_id_reverse_version
175 
176 } // namespace osmium
177 
178 #endif // OSMIUM_OSM_OBJECT_COMPARISONS_HPP
Definition: object.hpp:64
Definition: timestamp.hpp:147
Namespace for everything in the Osmium library.
Definition: assembler.hpp:53
int64_t object_id_type
Type for OSM object (node, way, or relation) IDs.
Definition: types.hpp:45
std::tuple< const Ts &... > const_tie(const Ts &... args) noexcept
Definition: misc.hpp:52
Definition: object_comparisons.hpp:87
bool operator()(const object_id_type lhs, const object_id_type rhs) const noexcept
Definition: object_comparisons.hpp:89
Definition: object_comparisons.hpp:50
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition: object_comparisons.hpp:57
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition: object_comparisons.hpp:52
Definition: object_comparisons.hpp:68
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition: object_comparisons.hpp:70
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition: object_comparisons.hpp:76
Definition: object_comparisons.hpp:159
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition: object_comparisons.hpp:161
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition: object_comparisons.hpp:169
Definition: object_comparisons.hpp:136
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition: object_comparisons.hpp:144
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition: object_comparisons.hpp:138
Definition: object_comparisons.hpp:116
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition: object_comparisons.hpp:118
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition: object_comparisons.hpp:123