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#ifndef OSMIUM_BUILDER_H
#define OSMIUM_BUILDER_H
#include <memory>
#include <string>
#include <vector>
#include <osmium/memory/buffer.hpp>
#include <osmium/osm.hpp>
#include "reprojection.hpp"
#include "wkb.hpp"
namespace geom {
class osmium_builder_t
{
public:
typedef std::string wkb_t;
typedef std::vector<std::string> wkbs_t;
explicit osmium_builder_t(std::shared_ptr<reprojection> const &proj,
bool build_multigeoms)
: m_proj(proj), m_buffer(1024, osmium::memory::Buffer::auto_grow::yes),
m_writer(m_proj->target_srs()), m_build_multigeoms(build_multigeoms)
{
}
wkb_t get_wkb_node(osmium::Location const &loc) const;
wkbs_t get_wkb_line(osmium::WayNodeList const &way, double split_at);
wkb_t get_wkb_polygon(osmium::Way const &way);
wkbs_t get_wkb_multipolygon(osmium::Relation const &rel,
osmium::memory::Buffer const &ways);
wkbs_t get_wkb_multiline(osmium::memory::Buffer const &ways, double split_at);
private:
wkb_t create_multipolygon(osmium::Area const &area);
wkbs_t create_polygons(osmium::Area const &area);
size_t add_mp_points(const osmium::NodeRefList &nodes);
std::shared_ptr<reprojection> m_proj;
// internal buffer for creating areas
osmium::memory::Buffer m_buffer;
ewkb::writer_t m_writer;
bool m_build_multigeoms;
};
} // namespace
#endif // OSMIUM_BUILDER_H
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