Libosmium  2.22.0
Fast and flexible C++ library for working with OpenStreetMap data
entity_bits.hpp
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1#ifndef OSMIUM_OSM_ENTITY_BITS_HPP
2#define OSMIUM_OSM_ENTITY_BITS_HPP
3
4/*
5
6This file is part of Osmium (https://osmcode.org/libosmium).
7
8Copyright 2013-2025 Jochen Topf <jochen@topf.org> and others (see README).
9
10Boost Software License - Version 1.0 - August 17th, 2003
11
12Permission is hereby granted, free of charge, to any person or organization
13obtaining a copy of the software and accompanying documentation covered by
14this license (the "Software") to use, reproduce, display, distribute,
15execute, and transmit the Software, and to prepare derivative works of the
16Software, and to permit third-parties to whom the Software is furnished to
17do so, all subject to the following:
18
19The copyright notices in the Software and this entire statement, including
20the above license grant, this restriction and the following disclaimer,
21must be included in all copies of the Software, in whole or in part, and
22all derivative works of the Software, unless such copies or derivative
23works are solely in the form of machine-executable object code generated by
24a source language processor.
25
26THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
27IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
29SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
30FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
31ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
32DEALINGS IN THE SOFTWARE.
33
34*/
35
37
38#include <cassert>
39#include <type_traits>
40
41namespace osmium {
42
46 namespace osm_entity_bits {
47
63 enum type : unsigned char { // this should have been an enum class
64 // but now we can't change it any more
65 // without breaking lots of code
66
67 nothing = 0x00,
68 node = 0x01,
69 way = 0x02,
70 nw = 0x03,
71 relation = 0x04,
72 nr = 0x05,
73 wr = 0x06,
74 nwr = 0x07,
75 area = 0x08,
76 na = 0x09,
77 wa = 0x0a,
78 nwa = 0x0b,
79 ra = 0x0c,
80 nra = 0x0d,
81 wra = 0x0e,
82 nwra = 0x0f,
83 object = 0x0f,
84 changeset = 0x10,
85 all = 0x1f
86
87 }; // enum type
88
89 constexpr type operator|(const type lhs, const type rhs) noexcept {
90 return static_cast<type>(static_cast<unsigned char>(lhs) | static_cast<unsigned char>(rhs));
91 }
92
93 constexpr type operator&(const type lhs, const type rhs) noexcept {
94 return static_cast<type>(static_cast<unsigned char>(lhs) & static_cast<unsigned char>(rhs));
95 }
96
97 constexpr type operator~(const type value) noexcept {
98 return all & static_cast<type>(~static_cast<unsigned char>(value));
99 }
100
101 inline type& operator|=(type& lhs, const type rhs) noexcept {
102 lhs = lhs | rhs;
103 return lhs;
104 }
105
106 inline type operator&=(type& lhs, const type rhs) noexcept {
107 lhs = lhs & rhs;
108 return lhs;
109 }
110
118 const auto ut = static_cast<std::underlying_type_t<osmium::item_type>>(item_type);
119 assert(ut <= 0x05);
120 if (ut == 0) {
121 return nothing;
122 }
123 return static_cast<osmium::osm_entity_bits::type>(1U << (ut - 1U));
124 }
125
126 } // namespace osm_entity_bits
127
128} // namespace osmium
129
130#endif // OSMIUM_OSM_ENTITY_BITS_HPP
type & operator|=(type &lhs, const type rhs) noexcept
Definition: entity_bits.hpp:101
type operator&=(type &lhs, const type rhs) noexcept
Definition: entity_bits.hpp:106
type
Definition: entity_bits.hpp:63
@ nw
node or way object
Definition: entity_bits.hpp:70
@ ra
relation or area object
Definition: entity_bits.hpp:79
@ node
Definition: entity_bits.hpp:68
@ changeset
Definition: entity_bits.hpp:84
@ wa
way or area object
Definition: entity_bits.hpp:77
@ wra
way, relation or area object
Definition: entity_bits.hpp:81
@ nra
node, relation or area object
Definition: entity_bits.hpp:80
@ all
object or changeset
Definition: entity_bits.hpp:85
@ nwa
node, way or area object
Definition: entity_bits.hpp:78
@ nwr
node, way, or relation object
Definition: entity_bits.hpp:74
@ nwra
node, way, relation, or area object
Definition: entity_bits.hpp:82
@ relation
Definition: entity_bits.hpp:71
@ wr
way or relation object
Definition: entity_bits.hpp:73
@ area
Definition: entity_bits.hpp:75
@ nothing
Definition: entity_bits.hpp:67
@ way
Definition: entity_bits.hpp:69
@ na
node or area object
Definition: entity_bits.hpp:76
@ nr
node or relation object
Definition: entity_bits.hpp:72
constexpr type operator|(const type lhs, const type rhs) noexcept
Definition: entity_bits.hpp:89
constexpr type operator~(const type value) noexcept
Definition: entity_bits.hpp:97
constexpr type operator&(const type lhs, const type rhs) noexcept
Definition: entity_bits.hpp:93
type from_item_type(osmium::item_type item_type) noexcept
Definition: entity_bits.hpp:117
Namespace for everything in the Osmium library.
Definition: assembler.hpp:53
item_type
Definition: item_type.hpp:45