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#ifndef OSM2PGSQL_TESTS_COMMON_BUFFER_HPP
#define OSM2PGSQL_TESTS_COMMON_BUFFER_HPP
/**
* SPDX-License-Identifier: GPL-2.0-or-later
*
* This file is part of osm2pgsql (https://osm2pgsql.org/).
*
* Copyright (C) 2006-2025 by the osm2pgsql developer community.
* For a full list of authors see the git log.
*/
#include "format.hpp"
#include "idlist.hpp"
#include "osmtypes.hpp"
#include <osmium/memory/buffer.hpp>
#include <osmium/opl.hpp>
#include <osmium/osm.hpp>
/**
* Wrapper around an Osmium buffer to create test objects in with some
* convenience.
*/
class test_buffer_t
{
public:
osmium::memory::Buffer const &buffer() const noexcept { return m_buffer; }
osmium::Node const &add_node(std::string const &data)
{
assert(!data.empty() && data[0] == 'n');
return m_buffer.get<osmium::Node>(add_opl(data));
}
osmium::Way &add_way(std::string const &data)
{
assert(!data.empty() && data[0] == 'w');
return m_buffer.get<osmium::Way>(add_opl(data));
}
osmium::Way &add_way(osmid_t wid, idlist_t const &ids)
{
assert(!ids.empty());
std::string nodes;
for (auto const id : ids) {
nodes += fmt::format("n{},", id);
}
nodes.resize(nodes.size() - 1);
return add_way(fmt::format("w{} N{}", wid, nodes));
}
osmium::Relation const &add_relation(std::string const &data)
{
assert(!data.empty() && data[0] == 'r');
return m_buffer.get<osmium::Relation>(add_opl(data));
}
private:
std::size_t add_opl(std::string const &data)
{
auto const offset = m_buffer.committed();
osmium::opl_parse(data.c_str(), m_buffer);
return offset;
}
osmium::memory::Buffer m_buffer{4096,
osmium::memory::Buffer::auto_grow::yes};
};
#endif // OSM2PGSQL_TESTS_COMMON_BUFFER_HPP
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