123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
#ifndef OSMIUM_INDEX_NWR_ARRAY_HPP
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#define OSMIUM_INDEX_NWR_ARRAY_HPP
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/*
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This file is part of Osmium (https://osmcode.org/libosmium).
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Copyright 2013-2023 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 <osmium/osm/item_type.hpp>
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#include <array>
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namespace osmium {
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/**
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* Often some information must be kept separately for nodes, ways, and
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* relations. Then this helper class becomes useful. It can keep three
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* somethings (of type T) which can be accessed conveniently through
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* the call operator.
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*/
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template <typename T>
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class nwr_array {
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std::array<T, 3> m_data;
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public:
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using iterator = typename std::array<T, 3>::iterator;
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using const_iterator = typename std::array<T, 3>::const_iterator;
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nwr_array() :
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m_data() {
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}
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T& operator()(const osmium::item_type type) noexcept {
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return m_data[osmium::item_type_to_nwr_index(type)];
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}
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const T& operator()(const osmium::item_type type) const noexcept {
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return m_data[osmium::item_type_to_nwr_index(type)];
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}
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T& nodes() noexcept {
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return m_data[0];
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}
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const T& nodes() const noexcept {
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return m_data[0];
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}
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T& ways() noexcept {
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return m_data[1];
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}
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const T& ways() const noexcept {
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return m_data[1];
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}
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T& relations() noexcept {
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return m_data[2];
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}
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const T& relations() const noexcept {
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return m_data[2];
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}
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iterator begin() noexcept {
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return m_data.begin();
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}
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iterator end() noexcept {
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return m_data.end();
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}
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const_iterator begin() const noexcept {
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return m_data.cbegin();
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}
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const_iterator end() const noexcept {
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return m_data.cend();
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}
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const_iterator cbegin() const noexcept {
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return m_data.cbegin();
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}
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const_iterator cend() const noexcept {
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return m_data.cend();
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}
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}; // class nwr_array
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} // namespace osmium
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#endif // OSMIUM_INDEX_NWR_ARRAY_HPP
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