94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
#ifndef OSMIUM_OSM_ENTITY_BITS_HPP
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#define OSMIUM_OSM_ENTITY_BITS_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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namespace osmium {
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/**
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* @brief Bitfield for OSM entity types.
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*/
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namespace osm_entity_bits {
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/**
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* Describes zero or more OSM entities.
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*
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* Usage:
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*
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* @code{.cpp}
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* osmium::osm_entity_bits::type entities = osmium::osm_entity_bits::node | osmium::osm_entity_bits::way;
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*
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* entities |= osmium::osm_entity_bits::relation;
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*
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* assert(entities & osmium::osm_entity_bits::object);
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*
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* assert(! (entities & osmium::osm_entity_bits::changeset));
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* @endcode
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*/
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enum type : unsigned char {
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nothing = 0x00,
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node = 0x01,
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way = 0x02,
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relation = 0x04,
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area = 0x08,
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object = 0x0f, ///< node, way, relation, or area object
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changeset = 0x10,
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all = 0x1f ///< object or changeset
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}; // enum type
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inline type operator|(const type lhs, const type rhs) noexcept {
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return static_cast<type>(static_cast<int>(lhs) | static_cast<int> (rhs));
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}
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inline type& operator|=(type& lhs, const type rhs) noexcept {
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lhs = lhs | rhs;
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return lhs;
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}
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inline type operator&(const type lhs, const type rhs) noexcept {
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return static_cast<type>(static_cast<int>(lhs) & static_cast<int> (rhs));
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}
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inline type operator&=(type& lhs, const type rhs) noexcept {
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lhs = lhs & rhs;
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return lhs;
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}
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} // namespace osm_entity_bits
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} // namespace osmium
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#endif // OSMIUM_OSM_ENTITY_BITS_HPP
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