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object_comparisons.hpp
Go to the documentation of this file.
#ifndef OSMIUM_OSM_OBJECT_COMPARISONS_HPP
#define OSMIUM_OSM_OBJECT_COMPARISONS_HPP
/*
This file is part of Osmium (https://osmcode.org/libosmium).
Copyright 2013-2026 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <osmium/osm/object.hpp>
#include <osmium/osm/timestamp.hpp>
#include <osmium/util/misc.hpp>
#include <cassert>
#include <cstdlib>
#include <tuple>
namespace osmium {
struct object_equal_type_id_version {
bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
return lhs == rhs;
}
bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
assert(lhs && rhs);
return *lhs == *rhs;
}
}; // struct object_equal_type_id_version
struct object_equal_type_id {
bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
return lhs.type() == rhs.type() &&
lhs.id() == rhs.id();
}
bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
assert(lhs && rhs);
return operator()(*lhs, *rhs);
}
}; // struct object_equal_type_id
struct id_order {
bool operator()(const object_id_type lhs, const object_id_type rhs) const noexcept {
if (rhs == 0) {
return false;
}
if (lhs == 0) {
return true;
}
if (lhs < 0) {
if (rhs > 0) {
return true;
}
// rhs < 0
return lhs > rhs;
}
// lhs > 0
if (rhs < 0) {
return false;
}
return lhs < rhs;
}
}; // struct id_order
struct object_order_type_id_version {
bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
return lhs < rhs;
}
bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
assert(lhs && rhs);
return *lhs < *rhs;
}
}; // struct object_order_type_id_version
struct object_order_type_id_version_without_timestamp {
bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
return const_tie(lhs.type(), lhs.id() > 0, lhs.positive_id(), lhs.version()) <
const_tie(rhs.type(), rhs.id() > 0, rhs.positive_id(), rhs.version());
}
bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
assert(lhs && rhs);
return operator()(*lhs, *rhs);
}
}; // struct object_order_type_id_version_without_timestamp
struct object_order_type_id_reverse_version {
bool operator()(const osmium::OSMObject& lhs, const osmium::OSMObject& rhs) const noexcept {
const bool tsvalid = lhs.timestamp().valid() && rhs.timestamp().valid();
return const_tie(lhs.type(), lhs.id() > 0, lhs.positive_id(), rhs.version(),
(tsvalid ? rhs.timestamp() : osmium::Timestamp())) <
const_tie(rhs.type(), rhs.id() > 0, rhs.positive_id(), lhs.version(),
(tsvalid ? lhs.timestamp() : osmium::Timestamp()));
}
bool operator()(const osmium::OSMObject* lhs, const osmium::OSMObject* rhs) const noexcept {
assert(lhs && rhs);
return operator()(*lhs, *rhs);
}
}; // struct object_order_type_id_reverse_version
} // namespace osmium
#endif // OSMIUM_OSM_OBJECT_COMPARISONS_HPP
osmium::OSMObject
Definition object.hpp:64
osmium::Timestamp
Definition timestamp.hpp:175
misc.hpp
osmium
Namespace for everything in the Osmium library.
Definition assembler.hpp:53
osmium::const_tie
std::tuple< const Ts &... > const_tie(const Ts &... args) noexcept
Definition misc.hpp:52
osmium::object_id_type
int64_t object_id_type
Type for OSM object (node, way, or relation) IDs.
Definition types.hpp:45
object.hpp
osmium::id_order
Definition object_comparisons.hpp:87
osmium::id_order::operator()
bool operator()(const object_id_type lhs, const object_id_type rhs) const noexcept
Definition object_comparisons.hpp:89
osmium::object_equal_type_id_version
Definition object_comparisons.hpp:50
osmium::object_equal_type_id_version::operator()
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition object_comparisons.hpp:57
osmium::object_equal_type_id_version::operator()
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition object_comparisons.hpp:52
osmium::object_equal_type_id
Definition object_comparisons.hpp:68
osmium::object_equal_type_id::operator()
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition object_comparisons.hpp:70
osmium::object_equal_type_id::operator()
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition object_comparisons.hpp:76
osmium::object_order_type_id_reverse_version
Definition object_comparisons.hpp:160
osmium::object_order_type_id_reverse_version::operator()
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition object_comparisons.hpp:162
osmium::object_order_type_id_reverse_version::operator()
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition object_comparisons.hpp:171
osmium::object_order_type_id_version_without_timestamp
Definition object_comparisons.hpp:136
osmium::object_order_type_id_version_without_timestamp::operator()
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition object_comparisons.hpp:144
osmium::object_order_type_id_version_without_timestamp::operator()
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition object_comparisons.hpp:138
osmium::object_order_type_id_version
Definition object_comparisons.hpp:116
osmium::object_order_type_id_version::operator()
bool operator()(const osmium::OSMObject &lhs, const osmium::OSMObject &rhs) const noexcept
Definition object_comparisons.hpp:118
osmium::object_order_type_id_version::operator()
bool operator()(const osmium::OSMObject *lhs, const osmium::OSMObject *rhs) const noexcept
Definition object_comparisons.hpp:123
timestamp.hpp