Loading...
Searching...
No Matches
object.hpp
Go to the documentation of this file.
#ifndef OSMIUM_OSM_OBJECT_HPP
#define OSMIUM_OSM_OBJECT_HPP
/*
This file is part of Osmium (https://osmcode.org/libosmium).
Copyright 2013-2025 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/memory/collection.hpp>
#include <osmium/memory/item.hpp>
#include <osmium/memory/item_iterator.hpp>
#include <osmium/osm/entity.hpp>
#include <osmium/osm/item_type.hpp>
#include <osmium/osm/location.hpp>
#include <osmium/osm/tag.hpp>
#include <osmium/osm/timestamp.hpp>
#include <osmium/osm/types.hpp>
#include <osmium/osm/types_from_string.hpp>
#include <osmium/util/misc.hpp>
#include <cstdlib>
#include <cstring>
#include <stdexcept>
#include <tuple>
#include <type_traits>
namespace osmium {
namespace builder {
template <typename TDerived, typename T>
class OSMObjectBuilder;
} // namespace builder
class OSMObject : public osmium::OSMEntity {
template <typename TDerived, typename T>
friend class osmium::builder::OSMObjectBuilder;
object_id_type m_id = 0;
bool m_deleted : 1;
object_version_type m_version : 31;
osmium::Timestamp m_timestamp;
user_id_type m_uid = 0;
changeset_id_type m_changeset = 0;
size_t sizeof_object() const noexcept {
return sizeof(OSMObject) + (type() == item_type::node ? sizeof(osmium::Location) : 0) + sizeof(string_size_type);
}
unsigned char* user_position() noexcept {
return data() + sizeof_object() - sizeof(string_size_type);
}
const unsigned char* user_position() const noexcept {
return data() + sizeof_object() - sizeof(string_size_type);
}
string_size_type user_size() const noexcept {
return *reinterpret_cast<const string_size_type*>(user_position());
}
unsigned char* subitems_position() {
return data() + osmium::memory::padded_length(sizeof_object() + user_size());
}
const unsigned char* subitems_position() const {
return data() + osmium::memory::padded_length(sizeof_object() + user_size());
}
protected:
OSMObject(osmium::memory::item_size_type size, osmium::item_type type) :
OSMEntity(size, type),
m_deleted(false),
m_version(0) {
}
public:
constexpr static bool is_compatible_to(osmium::item_type t) noexcept {
return t == osmium::item_type::node ||
t == osmium::item_type::way ||
t == osmium::item_type::relation ||
t == osmium::item_type::area;
}
object_id_type id() const noexcept {
return m_id;
}
unsigned_object_id_type positive_id() const noexcept {
return static_cast<unsigned_object_id_type>(std::abs(m_id));
}
OSMObject& set_id(object_id_type id) noexcept {
m_id = id;
return *this;
}
OSMObject& set_id(const char* id) {
return set_id(osmium::string_to_object_id(id));
}
bool deleted() const noexcept {
return m_deleted;
}
bool visible() const noexcept {
return !deleted();
}
OSMObject& set_deleted(bool deleted) noexcept {
m_deleted = deleted;
return *this;
}
OSMObject& set_visible(bool visible) noexcept {
m_deleted = !visible;
return *this;
}
OSMObject& set_visible(const char* visible) {
if (!std::strcmp("true", visible)) {
set_visible(true);
} else if (!std::strcmp("false", visible)) {
set_visible(false);
} else {
throw std::invalid_argument{"Unknown value for visible attribute (allowed is 'true' or 'false')"};
}
return *this;
}
object_version_type version() const noexcept {
return m_version;
}
OSMObject& set_version(object_version_type version) noexcept {
m_version = version;
return *this;
}
OSMObject& set_version(const char* version) {
return set_version(string_to_object_version(version));
}
changeset_id_type changeset() const noexcept {
return m_changeset;
}
OSMObject& set_changeset(changeset_id_type changeset) noexcept {
m_changeset = changeset;
return *this;
}
OSMObject& set_changeset(const char* changeset) {
return set_changeset(string_to_changeset_id(changeset));
}
user_id_type uid() const noexcept {
return m_uid;
}
OSMObject& set_uid(user_id_type uid) noexcept {
m_uid = uid;
return *this;
}
OSMObject& set_uid_from_signed(signed_user_id_type uid) noexcept {
m_uid = uid < 0 ? 0 : static_cast<user_id_type>(uid);
return *this;
}
OSMObject& set_uid(const char* uid) {
m_uid = string_to_uid(uid);
return *this;
}
bool user_is_anonymous() const noexcept {
return m_uid == 0;
}
osmium::Timestamp timestamp() const noexcept {
return m_timestamp;
}
OSMObject& set_timestamp(const osmium::Timestamp& timestamp) noexcept {
m_timestamp = timestamp;
return *this;
}
OSMObject& set_timestamp(const char* timestamp) {
assert(timestamp);
const char** str = &timestamp;
m_timestamp = detail::parse_timestamp(str);
if (**str != '\0') {
throw std::invalid_argument{"can not parse timestamp: garbage after timestamp"};
}
return *this;
}
const char* user() const noexcept {
return reinterpret_cast<const char*>(data() + sizeof_object());
}
void clear_user() noexcept {
std::memset(data() + sizeof_object(), 0, user_size());
}
const TagList& tags() const {
return osmium::detail::subitem_of_type<const TagList>(cbegin(), cend());
}
const char* get_value_by_key(const char* key, const char* default_value = nullptr) const noexcept {
return tags().get_value_by_key(key, default_value);
}
OSMObject& set_attribute(const char* attr, const char* value) {
if (!std::strcmp(attr, "id")) {
set_id(value);
} else if (!std::strcmp(attr, "version")) {
set_version(value);
} else if (!std::strcmp(attr, "changeset")) {
set_changeset(value);
} else if (!std::strcmp(attr, "timestamp")) {
set_timestamp(value);
} else if (!std::strcmp(attr, "uid")) {
set_uid(value);
} else if (!std::strcmp(attr, "visible")) {
set_visible(value);
}
return *this;
}
using iterator = osmium::memory::CollectionIterator<Item>;
using const_iterator = osmium::memory::CollectionIterator<const Item>;
void remove_tags() noexcept {
for (auto& subitem : *this) {
if (subitem.type() == osmium::item_type::tag_list) {
subitem.set_removed(true);
}
}
}
iterator begin() {
return iterator(subitems_position());
}
iterator end() {
return iterator(next());
}
const_iterator cbegin() const {
return const_iterator(subitems_position());
}
const_iterator cend() const {
return const_iterator(next());
}
const_iterator begin() const {
return cbegin();
}
const_iterator end() const {
return cend();
}
template <typename T>
osmium::memory::ItemIteratorRange<T> subitems() {
return osmium::memory::ItemIteratorRange<T>{subitems_position(), next()};
}
template <typename T>
osmium::memory::ItemIteratorRange<const T> subitems() const {
return osmium::memory::ItemIteratorRange<const T>{subitems_position(), next()};
}
template <typename T>
using t_iterator = osmium::memory::ItemIterator<T>;
template <typename T>
using t_const_iterator = osmium::memory::ItemIterator<const T>;
template <typename T>
t_iterator<T> begin() {
return t_iterator<T>(subitems_position(), next());
}
template <typename T>
t_iterator<T> end() {
return t_iterator<T>(next(), next());
}
template <typename T>
t_const_iterator<T> cbegin() const {
return t_const_iterator<T>(subitems_position(), next());
}
template <typename T>
t_const_iterator<T> cend() const {
return t_const_iterator<T>(next(), next());
}
template <typename T>
t_const_iterator<T> begin() const {
return cbegin<T>();
}
template <typename T>
t_const_iterator<T> end() const {
return cend<T>();
}
}; // class OSMObject
inline bool operator==(const OSMObject& lhs, const OSMObject& rhs) noexcept {
return lhs.type() == rhs.type() &&
lhs.id() == rhs.id() &&
lhs.version() == rhs.version();
}
inline bool operator!=(const OSMObject& lhs, const OSMObject& rhs) noexcept {
return !(lhs == rhs);
}
inline bool operator<(const OSMObject& lhs, const OSMObject& rhs) noexcept {
return const_tie(lhs.type(), lhs.id() > 0, lhs.positive_id(), lhs.version(),
((lhs.timestamp().valid() && rhs.timestamp().valid()) ? lhs.timestamp() : osmium::Timestamp())) <
const_tie(rhs.type(), rhs.id() > 0, rhs.positive_id(), rhs.version(),
((lhs.timestamp().valid() && rhs.timestamp().valid()) ? rhs.timestamp() : osmium::Timestamp()));
}
inline bool operator>(const OSMObject& lhs, const OSMObject& rhs) noexcept {
return rhs < lhs;
}
inline bool operator<=(const OSMObject& lhs, const OSMObject& rhs) noexcept {
return !(rhs < lhs);
}
inline bool operator>=(const OSMObject& lhs, const OSMObject& rhs) noexcept {
return !(lhs < rhs);
}
} // namespace osmium
#endif // OSMIUM_OSM_OBJECT_HPP
osmium::Location
Definition location.hpp:271
osmium::OSMEntity
OSMEntity is the abstract base class for the OSMObject and Changeset classes.
Definition entity.hpp:64
osmium::OSMObject
Definition object.hpp:64
osmium::OSMObject::begin
const_iterator begin() const
Definition object.hpp:401
osmium::OSMObject::user
const char * user() const noexcept
Get user name for this object.
Definition object.hpp:319
osmium::OSMObject::set_deleted
OSMObject & set_deleted(bool deleted) noexcept
Definition object.hpp:161
osmium::OSMObject::tags
const TagList & tags() const
Get the list of tags for this object.
Definition object.hpp:329
osmium::OSMObject::set_visible
OSMObject & set_visible(const char *visible)
Definition object.hpp:182
osmium::OSMObject::cend
const_iterator cend() const
Definition object.hpp:397
osmium::OSMObject::visible
bool visible() const noexcept
Is this object marked visible (ie not deleted)?
Definition object.hpp:152
osmium::OSMObject::m_timestamp
osmium::Timestamp m_timestamp
Definition object.hpp:72
osmium::OSMObject::user_is_anonymous
bool user_is_anonymous() const noexcept
Is this user anonymous?
Definition object.hpp:278
osmium::OSMObject::is_compatible_to
static constexpr bool is_compatible_to(osmium::item_type t) noexcept
Definition object.hpp:110
osmium::OSMObject::set_visible
OSMObject & set_visible(bool visible) noexcept
Definition object.hpp:171
osmium::OSMObject::set_uid
OSMObject & set_uid(const char *uid)
Definition object.hpp:272
osmium::OSMObject::m_version
object_version_type m_version
Definition object.hpp:71
osmium::OSMObject::clear_user
void clear_user() noexcept
Clear user name.
Definition object.hpp:324
osmium::OSMObject::version
object_version_type version() const noexcept
Get version of this object.
Definition object.hpp:194
osmium::OSMObject::set_id
OSMObject & set_id(const char *id)
Definition object.hpp:142
osmium::OSMObject::timestamp
osmium::Timestamp timestamp() const noexcept
Get timestamp when this object last changed.
Definition object.hpp:283
osmium::OSMObject::user_size
string_size_type user_size() const noexcept
Definition object.hpp:88
osmium::OSMObject::deleted
bool deleted() const noexcept
Is this object marked as deleted?
Definition object.hpp:147
osmium::OSMObject::uid
user_id_type uid() const noexcept
Get user id of this object.
Definition object.hpp:242
osmium::OSMObject::end
iterator end()
Definition object.hpp:389
osmium::OSMObject::set_uid
OSMObject & set_uid(user_id_type uid) noexcept
Definition object.hpp:251
osmium::OSMObject::set_timestamp
OSMObject & set_timestamp(const char *timestamp)
Definition object.hpp:308
osmium::OSMObject::get_value_by_key
const char * get_value_by_key(const char *key, const char *default_value=nullptr) const noexcept
Definition object.hpp:339
osmium::OSMObject::cend
t_const_iterator< T > cend() const
Definition object.hpp:451
osmium::OSMObject::subitems_position
unsigned char * subitems_position()
Definition object.hpp:92
osmium::OSMObject::set_id
OSMObject & set_id(object_id_type id) noexcept
Definition object.hpp:132
osmium::OSMObject::changeset
changeset_id_type changeset() const noexcept
Get changeset id of this object.
Definition object.hpp:218
osmium::OSMObject::m_id
object_id_type m_id
Definition object.hpp:69
osmium::OSMObject::user_position
const unsigned char * user_position() const noexcept
Definition object.hpp:84
osmium::OSMObject::remove_tags
void remove_tags() noexcept
Definition object.hpp:377
osmium::OSMObject::OSMObject
OSMObject(osmium::memory::item_size_type size, osmium::item_type type)
Definition object.hpp:102
osmium::OSMObject::end
const_iterator end() const
Definition object.hpp:405
osmium::OSMObject::id
object_id_type id() const noexcept
Get ID of this object.
Definition object.hpp:118
osmium::OSMObject::positive_id
unsigned_object_id_type positive_id() const noexcept
Get absolute value of the ID of this object.
Definition object.hpp:123
osmium::OSMObject::iterator
osmium::memory::CollectionIterator< Item > iterator
Definition object.hpp:368
osmium::OSMObject::end
t_const_iterator< T > end() const
Definition object.hpp:461
osmium::OSMObject::begin
t_iterator< T > begin()
Definition object.hpp:436
osmium::OSMObject::sizeof_object
size_t sizeof_object() const noexcept
Definition object.hpp:76
osmium::OSMObject::subitems_position
const unsigned char * subitems_position() const
Definition object.hpp:96
osmium::OSMObject::cbegin
t_const_iterator< T > cbegin() const
Definition object.hpp:446
osmium::OSMObject::const_iterator
osmium::memory::CollectionIterator< const Item > const_iterator
Definition object.hpp:369
osmium::OSMObject::m_deleted
bool m_deleted
Definition object.hpp:70
osmium::OSMObject::user_position
unsigned char * user_position() noexcept
Definition object.hpp:80
osmium::OSMObject::set_version
OSMObject & set_version(const char *version)
Definition object.hpp:213
osmium::OSMObject::set_uid_from_signed
OSMObject & set_uid_from_signed(signed_user_id_type uid) noexcept
Definition object.hpp:262
osmium::OSMObject::begin
t_const_iterator< T > begin() const
Definition object.hpp:456
osmium::OSMObject::m_uid
user_id_type m_uid
Definition object.hpp:73
osmium::OSMObject::set_changeset
OSMObject & set_changeset(const char *changeset)
Definition object.hpp:237
osmium::OSMObject::subitems
osmium::memory::ItemIteratorRange< const T > subitems() const
Definition object.hpp:425
osmium::OSMObject::begin
iterator begin()
Definition object.hpp:385
osmium::OSMObject::m_changeset
changeset_id_type m_changeset
Definition object.hpp:74
osmium::OSMObject::cbegin
const_iterator cbegin() const
Definition object.hpp:393
osmium::OSMObject::subitems
osmium::memory::ItemIteratorRange< T > subitems()
Definition object.hpp:415
osmium::OSMObject::end
t_iterator< T > end()
Definition object.hpp:441
osmium::OSMObject::set_timestamp
OSMObject & set_timestamp(const osmium::Timestamp &timestamp) noexcept
Definition object.hpp:293
osmium::OSMObject::set_version
OSMObject & set_version(object_version_type version) noexcept
Definition object.hpp:203
osmium::OSMObject::set_attribute
OSMObject & set_attribute(const char *attr, const char *value)
Definition object.hpp:350
osmium::OSMObject::set_changeset
OSMObject & set_changeset(changeset_id_type changeset) noexcept
Definition object.hpp:227
osmium::TagList
Definition tag.hpp:119
osmium::TagList::get_value_by_key
const char * get_value_by_key(const char *key, const char *default_value=nullptr) const noexcept
Definition tag.hpp:137
osmium::Timestamp
Definition timestamp.hpp:175
osmium::builder::OSMObjectBuilder
Definition osm_object_builder.hpp:401
osmium::memory::CollectionIterator
Definition collection.hpp:47
osmium::memory::ItemIteratorRange
Definition item_iterator.hpp:175
osmium::memory::ItemIterator
Definition item_iterator.hpp:59
osmium::memory::Item::type
item_type type() const noexcept
Definition item.hpp:171
osmium::memory::Item::next
unsigned char * next() noexcept
Definition item.hpp:155
collection.hpp
entity.hpp
item.hpp
item_iterator.hpp
item_type.hpp
location.hpp
misc.hpp
osmium::memory::padded_length
constexpr std::size_t padded_length(std::size_t length) noexcept
Definition item.hpp:64
osmium::memory::item_size_type
uint32_t item_size_type
Definition item.hpp:57
osmium
Namespace for everything in the Osmium library.
Definition assembler.hpp:53
osmium::string_to_changeset_id
changeset_id_type string_to_changeset_id(const char *input)
Definition types_from_string.hpp:148
osmium::string_to_uid
user_id_type string_to_uid(const char *input)
Definition types_from_string.hpp:162
osmium::string_to_object_id
object_id_type string_to_object_id(const char *input)
Definition types_from_string.hpp:59
osmium::const_tie
std::tuple< const Ts &... > const_tie(const Ts &... args) noexcept
Definition misc.hpp:52
osmium::operator==
bool operator==(const Changeset &lhs, const Changeset &rhs)
Definition changeset.hpp:440
osmium::object_version_type
uint32_t object_version_type
Type for OSM object version number.
Definition types.hpp:47
osmium::signed_user_id_type
int32_t signed_user_id_type
Type for signed OSM user IDs.
Definition types.hpp:50
osmium::user_id_type
uint32_t user_id_type
Type for OSM user IDs.
Definition types.hpp:49
osmium::operator<=
bool operator<=(const Changeset &lhs, const Changeset &rhs)
Definition changeset.hpp:459
osmium::changeset_id_type
uint32_t changeset_id_type
Type for OSM changeset IDs.
Definition types.hpp:48
osmium::operator>
bool operator>(const Changeset &lhs, const Changeset &rhs)
Definition changeset.hpp:455
osmium::object_id_type
int64_t object_id_type
Type for OSM object (node, way, or relation) IDs.
Definition types.hpp:45
osmium::string_size_type
uint16_t string_size_type
Definition types.hpp:59
osmium::item_type
item_type
Definition item_type.hpp:45
osmium::item_type::tag_list
@ tag_list
osmium::item_type::relation
@ relation
osmium::item_type::node
@ node
osmium::item_type::area
@ area
osmium::item_type::way
@ way
osmium::string_to_object_version
object_version_type string_to_object_version(const char *input)
Definition types_from_string.hpp:134
osmium::operator>=
bool operator>=(const Changeset &lhs, const Changeset &rhs)
Definition changeset.hpp:463
osmium::operator!=
bool operator!=(const Changeset &lhs, const Changeset &rhs)
Definition changeset.hpp:444
osmium::unsigned_object_id_type
uint64_t unsigned_object_id_type
Type for OSM object (node, way, or relation) IDs where we only allow positive IDs.
Definition types.hpp:46
osmium::operator<
bool operator<(const Changeset &lhs, const Changeset &rhs)
Definition changeset.hpp:451
tag.hpp
timestamp.hpp
types.hpp
types_from_string.hpp