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module;
#include <boost/geometry/algorithms/is_empty.hpp>
#include <boost/geometry/srs/epsg.hpp>
#include <boost/geometry/srs/transformation.hpp>
#include <pugixml.hpp>
export module routemon:datex2;
import std;
import :geo;
import :time;
import :util;
using namespace std::literals::string_view_literals;
namespace routemon::datex2 {
export struct situation;
export struct road_closure
{
std::weak_ptr<situation> parent;
std::optional<time::period_seq> validity;
std::vector<geo::point> relevant_points = {};
std::vector<std::shared_ptr<geo::linestring>> relevant_line_strings = {};
};
export struct situation
{
std::string id;
std::optional<geo::point> location =
std::nullopt; // as shown on the map, not used for querying
std::vector<std::string> comments = {};
std::vector<std::shared_ptr<road_closure>> road_closures = {};
};
export struct situation_publication
{
time::timestamp publication_time;
std::vector<std::shared_ptr<situation>> situations;
};
export class loader
{
// ETRS 89 (EPSG:4258) -> WGS 84 (EPSG:4326)
bgeo::srs::
transformation<bgeo::srs::static_epsg<4258>, bgeo::srs::static_epsg<4326>>
etrs89_to_wgs84_{};
std::multiset<std::string> warnings_;
auto add_location_from_xml(road_closure& rc, pugi::xml_node const& loc_xml)
-> void;
auto handle_road_or_carriageway_or_lane_management(
pugi::xml_node const& record_xml, std::weak_ptr<situation> parent)
-> std::optional<std::shared_ptr<road_closure>>;
public:
[[nodiscard]] auto load_situation_publication(std::string const& filename)
-> situation_publication;
[[nodiscard]] auto warnings() const -> std::multiset<std::string> const&;
};
} // namespace routemon::datex2
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