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#ifndef GEOMETRY_PROCESSOR_HPP
#define GEOMETRY_PROCESSOR_HPP
#include <cstddef>
#include <string>
#include <vector>
#include <memory>
#include <osmium/memory/buffer.hpp>
#include "osmium-builder.hpp"
#include "osmtypes.hpp"
#include "tagtransform.hpp"
struct middle_query_t;
struct middle_t;
struct options_t;
class reprojection;
struct geometry_processor {
using wkb_t = geom::osmium_builder_t::wkb_t;
using wkbs_t = geom::osmium_builder_t::wkbs_t;
// factory method for creating various types of geometry processors either by name or by geometry column type
static std::shared_ptr<geometry_processor> create(const std::string &type,
const options_t *options);
virtual ~geometry_processor();
enum interest {
interest_NONE = 0,
interest_node = 1,
interest_way = 2,
interest_relation = 4,
interest_ALL = 7
};
// return bit-mask of the type of elements this processor is
// interested in.
unsigned int interests() const;
// return true if provided intrest is an interest of this processor
bool interests(unsigned int interested) const;
// the postgis column type for the kind of geometry (i.e: POINT,
// LINESTRING, etc...) that this processor outputs
const std::string &column_type() const;
// process a node, optionally returning a WKB string describing
// geometry to be inserted into the table.
virtual wkb_t process_node(osmium::Location const &loc,
geom::osmium_builder_t *builder);
// process a way
// position data and optionally returning WKB-encoded geometry
// for insertion into the table.
virtual wkb_t process_way(osmium::Way const &way,
geom::osmium_builder_t *builder);
// process a way, taking a middle query object to get way and
// node position data. optionally returns an array of WKB-encoded geometry
// for insertion into the table.
virtual wkbs_t process_relation(osmium::Relation const &rel,
osmium::memory::Buffer const &ways,
geom::osmium_builder_t *builder);
// returns the SRID of the output geometry.
int srid() const;
protected:
// SRID of the geometry output
const int m_srid;
// WKT type of the geometry output
const std::string m_type;
// mask of elements that this processor is interested in
const unsigned int m_interests;
// constructor for use by implementing classes only
geometry_processor(int srid, const std::string &type, unsigned int interests);
};
//various bits for continuous processing of members of relations
class relation_helper
{
public:
relation_helper();
size_t set(osmium::Relation const &rel, middle_t const *mid);
void add_way_locations(middle_t const *mid);
rolelist_t roles;
std::vector<int> superseded;
osmium::memory::Buffer data;
};
#endif /* GEOMETRY_PROCESSOR_HPP */
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