138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
#ifndef OSMIUM_OSM_NODE_REF_HPP
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#define OSMIUM_OSM_NODE_REF_HPP
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/*
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This file is part of Osmium (http://osmcode.org/libosmium).
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Copyright 2013,2014 Jochen Topf <jochen@topf.org> and others (see README).
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Boost Software License - Version 1.0 - August 17th, 2003
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Permission is hereby granted, free of charge, to any person or organization
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obtaining a copy of the software and accompanying documentation covered by
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this license (the "Software") to use, reproduce, display, distribute,
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execute, and transmit the Software, and to prepare derivative works of the
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Software, and to permit third-parties to whom the Software is furnished to
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do so, all subject to the following:
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The copyright notices in the Software and this entire statement, including
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the above license grant, this restriction and the following disclaimer,
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must be included in all copies of the Software, in whole or in part, and
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all derivative works of the Software, unless such copies or derivative
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works are solely in the form of machine-executable object code generated by
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a source language processor.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include <cstdlib>
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#include <iosfwd>
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#include <osmium/memory/item.hpp>
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#include <osmium/osm/item_type.hpp>
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#include <osmium/osm/location.hpp>
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#include <osmium/osm/types.hpp>
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#include <osmium/util/operators.hpp>
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namespace osmium {
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/**
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* This reference to a node contains a node ID and a (possibly empty)
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* location.
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*/
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class NodeRef : public osmium::memory::detail::ItemHelper, public osmium::totally_ordered<NodeRef> {
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osmium::object_id_type m_ref;
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osmium::Location m_location;
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public:
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NodeRef(const osmium::object_id_type ref=0, const osmium::Location& location=Location()) :
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m_ref(ref),
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m_location(location) {
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}
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osmium::object_id_type ref() const {
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return m_ref;
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}
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osmium::unsigned_object_id_type positive_ref() const {
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return static_cast<osmium::unsigned_object_id_type>(std::abs(m_ref));
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}
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osmium::Location location() const {
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return m_location;
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}
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double lon() const {
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return m_location.lon();
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}
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double lat() const {
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return m_location.lat();
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}
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void location(const osmium::Location& location) {
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m_location = location;
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}
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}; // class NodeRef
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inline bool operator<(const NodeRef& lhs, const NodeRef& rhs) {
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return lhs.ref() < rhs.ref();
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}
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inline bool operator==(const NodeRef& lhs, const NodeRef& rhs) {
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return lhs.ref() == rhs.ref();
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}
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/**
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* Output a NodeRef to a stream.
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*/
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template <typename TChar, typename TTraits>
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inline std::basic_ostream<TChar, TTraits>& operator<<(std::basic_ostream<TChar, TTraits>& out, const osmium::NodeRef& nr) {
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return out << "<" << nr.ref() << " " << nr.location() << ">";
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}
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/**
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* Functor to compare NodeRefs by Location instead of id.
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*/
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struct location_equal {
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bool operator()(const NodeRef& lhs, const NodeRef& rhs) const {
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return lhs.location() == rhs.location();
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}
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typedef NodeRef first_argument_type;
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typedef NodeRef second_argument_type;
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typedef bool result_type;
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}; // struct location_equal
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/**
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* Functor to compare NodeRefs by Location instead of id.
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*/
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struct location_less {
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bool operator()(const NodeRef& lhs, const NodeRef& rhs) const {
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return lhs.location() < rhs.location();
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}
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typedef NodeRef first_argument_type;
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typedef NodeRef second_argument_type;
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typedef bool result_type;
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}; // struct location_less
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} // namespace osmium
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#endif // OSMIUM_OSM_NODE_REF_HPP
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