81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
#ifndef OSMIUM_OSM_ENTITY_HPP
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#define OSMIUM_OSM_ENTITY_HPP
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/*
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This file is part of Osmium (http://osmcode.org/libosmium).
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Copyright 2013-2016 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/memory/item.hpp>
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#include <osmium/osm/entity_bits.hpp>
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#include <osmium/osm/item_type.hpp>
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namespace osmium {
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namespace detail {
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template <typename TSubitem, typename TIter>
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inline TSubitem& subitem_of_type(TIter it, TIter end) {
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for (; it != end; ++it) {
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if (it->type() == TSubitem::itemtype) {
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return reinterpret_cast<TSubitem&>(*it);
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}
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}
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// If no subitem of the TSubitem type was found,
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// return a default constructed one.
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static TSubitem subitem;
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return subitem;
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}
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} // namespace detail
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/**
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* \brief OSMEntity is the abstract base class for the OSMObject and
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* Changeset classes.
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*/
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class OSMEntity : public osmium::memory::Item {
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public:
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explicit OSMEntity(osmium::memory::item_size_type size, osmium::item_type type) :
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Item(size, type) {
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}
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bool type_is_in(osmium::osm_entity_bits::type entity_bits) const {
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return (osm_entity_bits::from_item_type(type()) & entity_bits) != 0;
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}
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}; // class OSMEntity
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} // namespace osmium
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#endif // OSMIUM_OSM_ENTITY_HPP
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