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scripting_environment_lua.cpp
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#include "extractor/scripting_environment_lua.hpp"
#include "extractor/extraction_helper_functions.hpp"
#include "extractor/extraction_node.hpp"
#include "extractor/extraction_relation.hpp"
#include "extractor/extraction_segment.hpp"
#include "extractor/extraction_turn.hpp"
#include "extractor/extraction_way.hpp"
#include "extractor/internal_extractor_edge.hpp"
#include "extractor/maneuver_override_relation_parser.hpp"
#include "extractor/profile_properties.hpp"
#include "extractor/query_node.hpp"
#include "extractor/raster_source.hpp"
#include "extractor/restriction_parser.hpp"
#include "guidance/turn_instruction.hpp"
#include "util/coordinate.hpp"
#include "util/exception.hpp"
#include "util/log.hpp"
#include "util/lua_util.hpp"
#include "util/typedefs.hpp"
#include <osmium/osm.hpp>
#include <memory>
#include <sstream>
namespace sol
{
template <> struct is_container<osmium::Node> : std::false_type
{
};
template <> struct is_container<osmium::Way> : std::false_type
{
};
template <> struct is_container<osmium::Relation> : std::false_type
{
};
}
namespace osrm
{
namespace extractor
{
namespace
{
template <class T>
auto get_value_by_key(T const &object, const char *key) -> decltype(object.get_value_by_key(key))
{
auto v = object.get_value_by_key(key);
if (v && *v)
{ // non-empty string?
return v;
}
else
{
return nullptr;
}
}
template <class T, class D>
const char *get_value_by_key(T const &object, const char *key, D const default_value)
{
auto v = get_value_by_key(object, key);
if (v && *v)
{
return v;
}
else
{
return default_value;
}
}
template <class T> double latToDouble(T const &object)
{
return static_cast<double>(util::toFloating(object.lat));
}
template <class T> double lonToDouble(T const &object)
{
return static_cast<double>(util::toFloating(object.lon));
}
struct to_lua_object : public boost::static_visitor<sol::object>
{
to_lua_object(sol::state &state) : state(state) {}
template <typename T> auto operator()(T &v) const { return sol::make_object(state, v); }
auto operator()(boost::blank &) const { return sol::nil; }
sol::state &state;
};
}
Sol2ScriptingEnvironment::Sol2ScriptingEnvironment(
const std::string &file_name,
const std::vector<boost::filesystem::path> &location_dependent_data_paths)
: file_name(file_name), location_dependent_data(location_dependent_data_paths)
{
util::Log() << "Using script " << file_name;
}
void Sol2ScriptingEnvironment::InitContext(LuaScriptingContext &context)
{
context.state.open_libraries();
context.state["durationIsValid"] = durationIsValid;
context.state["parseDuration"] = parseDuration;
context.state["trimLaneString"] = trimLaneString;
context.state["applyAccessTokens"] = applyAccessTokens;
context.state["canonicalizeStringList"] = canonicalizeStringList;
context.state.new_enum("mode",
"inaccessible",
extractor::TRAVEL_MODE_INACCESSIBLE,
"driving",
extractor::TRAVEL_MODE_DRIVING,
"cycling",
extractor::TRAVEL_MODE_CYCLING,
"walking",
extractor::TRAVEL_MODE_WALKING,
"ferry",
extractor::TRAVEL_MODE_FERRY,
"train",
extractor::TRAVEL_MODE_TRAIN,
"pushing_bike",
extractor::TRAVEL_MODE_PUSHING_BIKE,
"steps_up",
extractor::TRAVEL_MODE_STEPS_UP,
"steps_down",
extractor::TRAVEL_MODE_STEPS_DOWN,
"river_up",
extractor::TRAVEL_MODE_RIVER_UP,
"river_down",
extractor::TRAVEL_MODE_RIVER_DOWN,
"route",
extractor::TRAVEL_MODE_ROUTE);
context.state.new_enum("road_priority_class",
"motorway",
extractor::RoadPriorityClass::MOTORWAY,
"motorway_link",
extractor::RoadPriorityClass::MOTORWAY_LINK,
"trunk",
extractor::RoadPriorityClass::TRUNK,
"trunk_link",
extractor::RoadPriorityClass::TRUNK_LINK,
"primary",
extractor::RoadPriorityClass::PRIMARY,
"primary_link",
extractor::RoadPriorityClass::PRIMARY_LINK,
"secondary",
extractor::RoadPriorityClass::SECONDARY,
"secondary_link",
extractor::RoadPriorityClass::SECONDARY_LINK,
"tertiary",
extractor::RoadPriorityClass::TERTIARY,
"tertiary_link",
extractor::RoadPriorityClass::TERTIARY_LINK,
"main_residential",
extractor::RoadPriorityClass::MAIN_RESIDENTIAL,
"side_residential",
extractor::RoadPriorityClass::SIDE_RESIDENTIAL,
"alley",
extractor::RoadPriorityClass::ALLEY,
"parking",
extractor::RoadPriorityClass::PARKING,
"link_road",
extractor::RoadPriorityClass::LINK_ROAD,
"unclassified",
extractor::RoadPriorityClass::UNCLASSIFIED,
"bike_path",
extractor::RoadPriorityClass::BIKE_PATH,
"foot_path",
extractor::RoadPriorityClass::FOOT_PATH,
"connectivity",
extractor::RoadPriorityClass::CONNECTIVITY);
context.state.new_enum("item_type",
"node",
osmium::item_type::node,
"way",
osmium::item_type::way,
"relation",
osmium::item_type::relation);
context.state.new_usertype<RasterContainer>("raster",
"load",
&RasterContainer::LoadRasterSource,
"query",
&RasterContainer::GetRasterDataFromSource,
"interpolate",
&RasterContainer::GetRasterInterpolateFromSource);
context.state.new_usertype<ProfileProperties>(
"ProfileProperties",
"traffic_signal_penalty",
sol::property(&ProfileProperties::GetTrafficSignalPenalty,
&ProfileProperties::SetTrafficSignalPenalty),
"u_turn_penalty",
sol::property(&ProfileProperties::GetUturnPenalty, &ProfileProperties::SetUturnPenalty),
"max_speed_for_map_matching",
sol::property(&ProfileProperties::GetMaxSpeedForMapMatching,
&ProfileProperties::SetMaxSpeedForMapMatching),
"continue_straight_at_waypoint",
&ProfileProperties::continue_straight_at_waypoint,
"use_turn_restrictions",
&ProfileProperties::use_turn_restrictions,
"left_hand_driving",
&ProfileProperties::left_hand_driving,
"weight_precision",
&ProfileProperties::weight_precision,
"weight_name",
sol::property(&ProfileProperties::SetWeightName, &ProfileProperties::GetWeightName),
"max_turn_weight",
sol::property(&ProfileProperties::GetMaxTurnWeight),
"force_split_edges",
&ProfileProperties::force_split_edges,
"call_tagless_node_function",
&ProfileProperties::call_tagless_node_function);
context.state.new_usertype<std::vector<std::string>>(
"vector",
"Add",
static_cast<void (std::vector<std::string>::*)(const std::string &)>(
&std::vector<std::string>::push_back));
context.state.new_usertype<osmium::Location>("Location",
"lat",
&osmium::Location::lat,
"lon",
&osmium::Location::lon,
"valid",
&osmium::Location::valid);
auto get_location_tag = [](auto &context, const auto &location, const char *key) {
if (context.location_dependent_data.empty())
return sol::object(sol::nil);
const LocationDependentData::point_t point{location.lon(), location.lat()};
if (!boost::geometry::equals(context.last_location_point, point))
{
context.last_location_point = point;
context.last_location_indexes =
context.location_dependent_data.GetPropertyIndexes(point);
}
auto value = context.location_dependent_data.FindByKey(context.last_location_indexes, key);
return boost::apply_visitor(to_lua_object(context.state), value);
};
context.state.new_usertype<osmium::Way>(
"Way",
"get_value_by_key",
&get_value_by_key<osmium::Way>,
"id",
&osmium::Way::id,
"version",
&osmium::Way::version,
"get_nodes",
[](const osmium::Way &way) { return sol::as_table(way.nodes()); },
"get_location_tag",
[&context, &get_location_tag](const osmium::Way &way, const char *key) {
// HEURISTIC: use a single node (last) of the way to localize the way
// For more complicated scenarios a proper merging of multiple tags
// at one or many locations must be provided
const auto &nodes = way.nodes();
const auto &location = nodes.back().location();
return get_location_tag(context, location, key);
});
context.state.new_usertype<osmium::Node>(
"Node",
"location",
&osmium::Node::location,
"get_value_by_key",
&get_value_by_key<osmium::Node>,
"id",
&osmium::Node::id,
"version",
&osmium::Node::version,
"get_location_tag",
[&context, &get_location_tag](const osmium::Node &node, const char *key) {
return get_location_tag(context, node.location(), key);
});
context.state.new_usertype<ExtractionNode>("ResultNode",
"traffic_lights",
&ExtractionNode::traffic_lights,
"barrier",
&ExtractionNode::barrier);
context.state.new_usertype<RoadClassification>(
"RoadClassification",
"motorway_class",
sol::property(&RoadClassification::IsMotorwayClass, &RoadClassification::SetMotorwayFlag),
"link_class",
sol::property(&RoadClassification::IsLinkClass, &RoadClassification::SetLinkClass),
"may_be_ignored",
sol::property(&RoadClassification::IsLowPriorityRoadClass,
&RoadClassification::SetLowPriorityFlag),
"road_priority_class",
sol::property(&RoadClassification::GetClass, &RoadClassification::SetClass),
"num_lanes",
sol::property(&RoadClassification::GetNumberOfLanes,
&RoadClassification::SetNumberOfLanes));
context.state.new_usertype<ExtractionWay>(
"ResultWay",
"forward_speed",
&ExtractionWay::forward_speed,
"backward_speed",
&ExtractionWay::backward_speed,
"forward_rate",
&ExtractionWay::forward_rate,
"backward_rate",
&ExtractionWay::backward_rate,
"name",
sol::property(&ExtractionWay::GetName, &ExtractionWay::SetName),
"ref", // backward compatibility
sol::property(&ExtractionWay::GetForwardRef,
[](ExtractionWay &way, const char *ref) {
way.SetForwardRef(ref);
way.SetBackwardRef(ref);
}),
"forward_ref",
sol::property(&ExtractionWay::GetForwardRef, &ExtractionWay::SetForwardRef),
"backward_ref",
sol::property(&ExtractionWay::GetBackwardRef, &ExtractionWay::SetBackwardRef),
"pronunciation",
sol::property(&ExtractionWay::GetPronunciation, &ExtractionWay::SetPronunciation),
"destinations",
sol::property(&ExtractionWay::GetDestinations, &ExtractionWay::SetDestinations),
"exits",
sol::property(&ExtractionWay::GetExits, &ExtractionWay::SetExits),
"turn_lanes_forward",
sol::property(&ExtractionWay::GetTurnLanesForward, &ExtractionWay::SetTurnLanesForward),
"turn_lanes_backward",
sol::property(&ExtractionWay::GetTurnLanesBackward, &ExtractionWay::SetTurnLanesBackward),
"duration",
&ExtractionWay::duration,
"weight",
&ExtractionWay::weight,
"road_classification",
&ExtractionWay::road_classification,
"forward_classes",
&ExtractionWay::forward_classes,
"backward_classes",
&ExtractionWay::backward_classes,
"forward_mode",
sol::property([](const ExtractionWay &way) { return way.forward_travel_mode; },
[](ExtractionWay &way, TravelMode mode) { way.forward_travel_mode = mode; }),
"backward_mode",
sol::property([](const ExtractionWay &way) { return way.backward_travel_mode; },
[](ExtractionWay &way, TravelMode mode) { way.backward_travel_mode = mode; }),
"roundabout",
sol::property([](const ExtractionWay &way) { return way.roundabout; },
[](ExtractionWay &way, bool flag) { way.roundabout = flag; }),
"circular",
sol::property([](const ExtractionWay &way) { return way.circular; },
[](ExtractionWay &way, bool flag) { way.circular = flag; }),
"is_startpoint",
sol::property([](const ExtractionWay &way) { return way.is_startpoint; },
[](ExtractionWay &way, bool flag) { way.is_startpoint = flag; }),
"forward_restricted",
sol::property([](const ExtractionWay &way) { return way.forward_restricted; },
[](ExtractionWay &way, bool flag) { way.forward_restricted = flag; }),
"backward_restricted",
sol::property([](const ExtractionWay &way) { return way.backward_restricted; },
[](ExtractionWay &way, bool flag) { way.backward_restricted = flag; }),
"is_left_hand_driving",
sol::property([](const ExtractionWay &way) { return way.is_left_hand_driving; },
[](ExtractionWay &way, bool flag) { way.is_left_hand_driving = flag; }),
"highway_turn_classification",
sol::property([](const ExtractionWay &way) { return way.highway_turn_classification; },
[](ExtractionWay &way, int flag) { way.highway_turn_classification = flag; }),
"access_turn_classification",
sol::property([](const ExtractionWay &way) { return way.access_turn_classification; },
[](ExtractionWay &way, int flag) { way.access_turn_classification = flag; }));
auto getTypedRefBySol = [](const sol::object &obj) -> ExtractionRelation::OsmIDTyped {
if (obj.is<osmium::Way>())
{
osmium::Way *way = obj.as<osmium::Way *>();
return {way->id(), osmium::item_type::way};
}
if (obj.is<ExtractionRelation>())
{
ExtractionRelation *rel = obj.as<ExtractionRelation *>();
return rel->id;
}
if (obj.is<osmium::Node>())
{
osmium::Node *node = obj.as<osmium::Node *>();
return {node->id(), osmium::item_type::node};
}
return ExtractionRelation::OsmIDTyped(0, osmium::item_type::undefined);
};
context.state.new_usertype<ExtractionRelation::OsmIDTyped>(
"OsmIDTyped",
"id",
&ExtractionRelation::OsmIDTyped::GetID,
"type",
&ExtractionRelation::OsmIDTyped::GetType);
context.state.new_usertype<ExtractionRelation>(
"ExtractionRelation",
"id",
[](ExtractionRelation &rel) { return rel.id.GetID(); },
"get_value_by_key",
[](ExtractionRelation &rel, const char *key) -> const char * { return rel.GetAttr(key); },
"get_role",
[&getTypedRefBySol](ExtractionRelation &rel, const sol::object &obj) -> const char * {
return rel.GetRole(getTypedRefBySol(obj));
});
context.state.new_usertype<ExtractionRelationContainer>(
"ExtractionRelationContainer",
"get_relations",
[&getTypedRefBySol](ExtractionRelationContainer &cont, const sol::object &obj)
-> const ExtractionRelationContainer::RelationIDList & {
return cont.GetRelations(getTypedRefBySol(obj));
},
"relation",
[](ExtractionRelationContainer &cont, const ExtractionRelation::OsmIDTyped &rel_id)
-> const ExtractionRelation & { return cont.GetRelationData(rel_id); });
context.state.new_usertype<ExtractionSegment>("ExtractionSegment",
"source",
&ExtractionSegment::source,
"target",
&ExtractionSegment::target,
"distance",
&ExtractionSegment::distance,
"weight",
&ExtractionSegment::weight,
"duration",
&ExtractionSegment::duration);
// Keep in mind .location is available only if .pbf is preprocessed to set the location with the
// ref using osmium command "osmium add-locations-to-ways"
context.state.new_usertype<osmium::NodeRef>(
"NodeRef", "id", &osmium::NodeRef::ref, "location", [](const osmium::NodeRef &nref) {
return nref.location();
});
context.state.new_usertype<InternalExtractorEdge>("EdgeSource",
"source_coordinate",
&InternalExtractorEdge::source_coordinate,
"weight",
&InternalExtractorEdge::weight_data,
"duration",
&InternalExtractorEdge::duration_data);
context.state.new_usertype<QueryNode>(
"EdgeTarget", "lon", &lonToDouble<QueryNode>, "lat", &latToDouble<QueryNode>);
context.state.new_usertype<util::Coordinate>("Coordinate",
"lon",
sol::property(&lonToDouble<util::Coordinate>),
"lat",
sol::property(&latToDouble<util::Coordinate>));
context.state.new_usertype<RasterDatum>(
"RasterDatum", "datum", &RasterDatum::datum, "invalid_data", &RasterDatum::get_invalid);
// the "properties" global is only used in v1 of the api, but we don't know
// the version until we have read the file. so we have to declare it in any case.
// we will then clear it for v2 profiles after reading the file
context.state["properties"] = &context.properties;
//
// end of register block
//
util::luaAddScriptFolderToLoadPath(context.state.lua_state(), file_name.c_str());
sol::optional<sol::table> function_table = context.state.script_file(file_name);
// Check profile API version
auto maybe_version = context.state.get<sol::optional<int>>("api_version");
if (maybe_version)
context.api_version = *maybe_version;
else
{
context.api_version = 0;
}
if (context.api_version < SUPPORTED_MIN_API_VERSION ||
context.api_version > SUPPORTED_MAX_API_VERSION)
{
throw util::exception("Invalid profile API version " + std::to_string(context.api_version) +
" only versions from " + std::to_string(SUPPORTED_MIN_API_VERSION) +
" to " + std::to_string(SUPPORTED_MAX_API_VERSION) +
" are supported." + SOURCE_REF);
}
util::Log() << "Using profile api version " << context.api_version;
// version-dependent parts of the api
auto initV2Context = [&]() {
// clear global not used in v2
context.state["properties"] = sol::nullopt;
// check function table
if (function_table == sol::nullopt)
throw util::exception("Profile must return a function table.");
// setup helpers
context.state["raster"] = &context.raster_sources;
// set constants
context.state.new_enum("constants",
"precision",
COORDINATE_PRECISION,
"max_turn_weight",
std::numeric_limits<TurnPenalty>::max());
// call initialize function
sol::function setup_function = function_table.value()["setup"];
if (!setup_function.valid())
throw util::exception("Profile must have an setup() function.");
sol::optional<sol::table> profile_table = setup_function();
if (profile_table == sol::nullopt)
throw util::exception("Profile setup() must return a table.");
else
context.profile_table = profile_table.value();
// store functions
context.turn_function = function_table.value()["process_turn"];
context.node_function = function_table.value()["process_node"];
context.way_function = function_table.value()["process_way"];
context.segment_function = function_table.value()["process_segment"];
context.has_turn_penalty_function = context.turn_function.valid();
context.has_node_function = context.node_function.valid();
context.has_way_function = context.way_function.valid();
context.has_segment_function = context.segment_function.valid();
// read properties from 'profile.properties' table
sol::table properties = context.profile_table["properties"];
if (properties.valid())
{
sol::optional<std::string> weight_name = properties["weight_name"];
if (weight_name != sol::nullopt)
context.properties.SetWeightName(weight_name.value());
sol::optional<std::int32_t> traffic_signal_penalty =
properties["traffic_signal_penalty"];
if (traffic_signal_penalty != sol::nullopt)
context.properties.SetTrafficSignalPenalty(traffic_signal_penalty.value());
sol::optional<std::int32_t> u_turn_penalty = properties["u_turn_penalty"];
if (u_turn_penalty != sol::nullopt)
context.properties.SetUturnPenalty(u_turn_penalty.value());
sol::optional<double> max_speed_for_map_matching =
properties["max_speed_for_map_matching"];
if (max_speed_for_map_matching != sol::nullopt)
context.properties.SetMaxSpeedForMapMatching(max_speed_for_map_matching.value());
sol::optional<bool> continue_straight_at_waypoint =
properties["continue_straight_at_waypoint"];
if (continue_straight_at_waypoint != sol::nullopt)
context.properties.continue_straight_at_waypoint =
continue_straight_at_waypoint.value();
sol::optional<bool> use_turn_restrictions = properties["use_turn_restrictions"];
if (use_turn_restrictions != sol::nullopt)
context.properties.use_turn_restrictions = use_turn_restrictions.value();
sol::optional<bool> left_hand_driving = properties["left_hand_driving"];
if (left_hand_driving != sol::nullopt)
context.properties.left_hand_driving = left_hand_driving.value();
sol::optional<unsigned> weight_precision = properties["weight_precision"];
if (weight_precision != sol::nullopt)
context.properties.weight_precision = weight_precision.value();
sol::optional<bool> force_split_edges = properties["force_split_edges"];
if (force_split_edges != sol::nullopt)
context.properties.force_split_edges = force_split_edges.value();
}
};
auto initialize_V3_extraction_turn = [&]() {
context.state.new_usertype<ExtractionTurn>(
"ExtractionTurn",
"angle",
&ExtractionTurn::angle,
"turn_type",
sol::property([](const ExtractionTurn &turn) {
if (turn.number_of_roads > 2 || turn.source_mode != turn.target_mode ||
turn.is_u_turn)
return osrm::guidance::TurnType::Turn;
else
return osrm::guidance::TurnType::NoTurn;
}),
"direction_modifier",
sol::property([](const ExtractionTurn &turn) {
if (turn.is_u_turn)
return osrm::guidance::DirectionModifier::UTurn;
else
return osrm::guidance::DirectionModifier::Straight;
}),
"has_traffic_light",
&ExtractionTurn::has_traffic_light,
"weight",
&ExtractionTurn::weight,
"duration",
&ExtractionTurn::duration,
"source_restricted",
&ExtractionTurn::source_restricted,
"target_restricted",
&ExtractionTurn::target_restricted,
"is_left_hand_driving",
&ExtractionTurn::is_left_hand_driving);
context.state.new_enum("turn_type",
"invalid",
osrm::guidance::TurnType::Invalid,
"new_name",
osrm::guidance::TurnType::NewName,
"continue",
osrm::guidance::TurnType::Continue,
"turn",
osrm::guidance::TurnType::Turn,
"merge",
osrm::guidance::TurnType::Merge,
"on_ramp",
osrm::guidance::TurnType::OnRamp,
"off_ramp",
osrm::guidance::TurnType::OffRamp,
"fork",
osrm::guidance::TurnType::Fork,
"end_of_road",
osrm::guidance::TurnType::EndOfRoad,
"notification",
osrm::guidance::TurnType::Notification,
"enter_roundabout",
osrm::guidance::TurnType::EnterRoundabout,
"enter_and_exit_roundabout",
osrm::guidance::TurnType::EnterAndExitRoundabout,
"enter_rotary",
osrm::guidance::TurnType::EnterRotary,
"enter_and_exit_rotary",
osrm::guidance::TurnType::EnterAndExitRotary,
"enter_roundabout_intersection",
osrm::guidance::TurnType::EnterRoundaboutIntersection,
"enter_and_exit_roundabout_intersection",
osrm::guidance::TurnType::EnterAndExitRoundaboutIntersection,
"use_lane",
osrm::guidance::TurnType::Suppressed,
"no_turn",
osrm::guidance::TurnType::NoTurn,
"suppressed",
osrm::guidance::TurnType::Suppressed,
"enter_roundabout_at_exit",
osrm::guidance::TurnType::EnterRoundaboutAtExit,
"exit_roundabout",
osrm::guidance::TurnType::ExitRoundabout,
"enter_rotary_at_exit",
osrm::guidance::TurnType::EnterRotaryAtExit,
"exit_rotary",
osrm::guidance::TurnType::ExitRotary,
"enter_roundabout_intersection_at_exit",
osrm::guidance::TurnType::EnterRoundaboutIntersectionAtExit,
"exit_roundabout_intersection",
osrm::guidance::TurnType::ExitRoundaboutIntersection,
"stay_on_roundabout",
osrm::guidance::TurnType::StayOnRoundabout,
"sliproad",
osrm::guidance::TurnType::Sliproad);
context.state.new_enum("direction_modifier",
"u_turn",
osrm::guidance::DirectionModifier::UTurn,
"sharp_right",
osrm::guidance::DirectionModifier::SharpRight,
"right",
osrm::guidance::DirectionModifier::Right,
"slight_right",
osrm::guidance::DirectionModifier::SlightRight,
"straight",
osrm::guidance::DirectionModifier::Straight,
"slight_left",
osrm::guidance::DirectionModifier::SlightLeft,
"left",
osrm::guidance::DirectionModifier::Left,
"sharp_left",
osrm::guidance::DirectionModifier::SharpLeft);
};
switch (context.api_version)
{
case 4:
{
context.state.new_usertype<ExtractionTurnLeg>(
"ExtractionTurnLeg",
"is_restricted",
&ExtractionTurnLeg::is_restricted,
"is_motorway",
&ExtractionTurnLeg::is_motorway,
"is_link",
&ExtractionTurnLeg::is_link,
"number_of_lanes",
&ExtractionTurnLeg::number_of_lanes,
"highway_turn_classification",
&ExtractionTurnLeg::highway_turn_classification,
"access_turn_classification",
&ExtractionTurnLeg::access_turn_classification,
"speed",
&ExtractionTurnLeg::speed,
"priority_class",
&ExtractionTurnLeg::priority_class,
"is_incoming",
&ExtractionTurnLeg::is_incoming,
"is_outgoing",
&ExtractionTurnLeg::is_outgoing);
context.state.new_usertype<ExtractionTurn>(
"ExtractionTurn",
"angle",
&ExtractionTurn::angle,
"number_of_roads",
&ExtractionTurn::number_of_roads,
"is_u_turn",
&ExtractionTurn::is_u_turn,
"has_traffic_light",
&ExtractionTurn::has_traffic_light,
"is_left_hand_driving",
&ExtractionTurn::is_left_hand_driving,
"source_restricted",
&ExtractionTurn::source_restricted,
"source_mode",
&ExtractionTurn::source_mode,
"source_is_motorway",
&ExtractionTurn::source_is_motorway,
"source_is_link",
&ExtractionTurn::source_is_link,
"source_number_of_lanes",
&ExtractionTurn::source_number_of_lanes,
"source_highway_turn_classification",
&ExtractionTurn::source_highway_turn_classification,
"source_access_turn_classification",
&ExtractionTurn::source_access_turn_classification,
"source_speed",
&ExtractionTurn::source_speed,
"source_priority_class",
&ExtractionTurn::source_priority_class,
"target_restricted",
&ExtractionTurn::target_restricted,
"target_mode",
&ExtractionTurn::target_mode,
"target_is_motorway",
&ExtractionTurn::target_is_motorway,
"target_is_link",
&ExtractionTurn::target_is_link,
"target_number_of_lanes",
&ExtractionTurn::target_number_of_lanes,
"target_highway_turn_classification",
&ExtractionTurn::target_highway_turn_classification,
"target_access_turn_classification",
&ExtractionTurn::target_access_turn_classification,
"target_speed",
&ExtractionTurn::target_speed,
"target_priority_class",
&ExtractionTurn::target_priority_class,
"roads_on_the_right",
&ExtractionTurn::roads_on_the_right,
"roads_on_the_left",
&ExtractionTurn::roads_on_the_left,
"weight",
&ExtractionTurn::weight,
"duration",
&ExtractionTurn::duration);
initV2Context();
break;
}
case 3:
case 2:
{
initialize_V3_extraction_turn();
initV2Context();
break;
}
case 1:
{
initialize_V3_extraction_turn();
// cache references to functions for faster execution
context.turn_function = context.state["turn_function"];
context.node_function = context.state["node_function"];
context.way_function = context.state["way_function"];
context.segment_function = context.state["segment_function"];
context.has_turn_penalty_function = context.turn_function.valid();
context.has_node_function = context.node_function.valid();
context.has_way_function = context.way_function.valid();
context.has_segment_function = context.segment_function.valid();
// setup helpers
context.state["sources"] = &context.raster_sources;
// set constants
context.state.new_enum("constants", "precision", COORDINATE_PRECISION);
BOOST_ASSERT(context.properties.GetUturnPenalty() == 0);
BOOST_ASSERT(context.properties.GetTrafficSignalPenalty() == 0);
// call source_function if present
sol::function source_function = context.state["source_function"];
if (source_function.valid())
{
source_function();
}
break;
}
case 0:
initialize_V3_extraction_turn();
// cache references to functions for faster execution
context.turn_function = context.state["turn_function"];
context.node_function = context.state["node_function"];
context.way_function = context.state["way_function"];
context.segment_function = context.state["segment_function"];
context.has_turn_penalty_function = context.turn_function.valid();
context.has_node_function = context.node_function.valid();
context.has_way_function = context.way_function.valid();
context.has_segment_function = context.segment_function.valid();
BOOST_ASSERT(context.properties.GetWeightName() == "duration");
break;
}
}
const ProfileProperties &Sol2ScriptingEnvironment::GetProfileProperties()
{
return GetSol2Context().properties;
}
LuaScriptingContext &Sol2ScriptingEnvironment::GetSol2Context()
{
std::lock_guard<std::mutex> lock(init_mutex);
bool initialized = false;
auto &ref = script_contexts.local(initialized);
if (!initialized)
{
ref = std::make_unique<LuaScriptingContext>(location_dependent_data);
InitContext(*ref);
}
return *ref;
}
void Sol2ScriptingEnvironment::ProcessElements(
const osmium::memory::Buffer &buffer,
const RestrictionParser &restriction_parser,
const ManeuverOverrideRelationParser &maneuver_override_parser,
const ExtractionRelationContainer &relations,
std::vector<std::pair<const osmium::Node &, ExtractionNode>> &resulting_nodes,
std::vector<std::pair<const osmium::Way &, ExtractionWay>> &resulting_ways,
std::vector<InputConditionalTurnRestriction> &resulting_restrictions,
std::vector<InputManeuverOverride> &resulting_maneuver_overrides)
{
ExtractionNode result_node;
ExtractionWay result_way;
auto &local_context = this->GetSol2Context();
for (auto entity = buffer.cbegin(), end = buffer.cend(); entity != end; ++entity)
{
switch (entity->type())
{
case osmium::item_type::node:
{
const auto &node = static_cast<const osmium::Node &>(*entity);
result_node.clear();
if (local_context.has_node_function &&
(!node.tags().empty() || local_context.properties.call_tagless_node_function))
{
local_context.ProcessNode(node, result_node, relations);
}
resulting_nodes.push_back({node, std::move(result_node)});
}
break;
case osmium::item_type::way:
{
const osmium::Way &way = static_cast<const osmium::Way &>(*entity);
result_way.clear();
if (local_context.has_way_function)
{
local_context.ProcessWay(way, result_way, relations);
}
resulting_ways.push_back({way, std::move(result_way)});
}
break;
case osmium::item_type::relation:
{
const auto &relation = static_cast<const osmium::Relation &>(*entity);
if (auto result_res = restriction_parser.TryParse(relation))
{
resulting_restrictions.push_back(*result_res);
}
else if (auto result_res = maneuver_override_parser.TryParse(relation))
{
resulting_maneuver_overrides.push_back(*result_res);
}
}
break;
default:
break;
}
}
}
std::vector<std::string>
Sol2ScriptingEnvironment::GetStringListFromFunction(const std::string &function_name)
{
auto &context = GetSol2Context();
BOOST_ASSERT(context.state.lua_state() != nullptr);
std::vector<std::string> strings;
sol::function function = context.state[function_name];
if (function.valid())
{
function(strings);
}
return strings;
}
std::vector<std::string>
Sol2ScriptingEnvironment::GetStringListFromTable(const std::string &table_name)
{
auto &context = GetSol2Context();
BOOST_ASSERT(context.state.lua_state() != nullptr);
std::vector<std::string> strings;
sol::table table = context.profile_table[table_name];
if (table.valid())
{
for (auto &&pair : table)
{
strings.push_back(pair.second.as<std::string>());
}
}
return strings;
}
std::vector<std::vector<std::string>>
Sol2ScriptingEnvironment::GetStringListsFromTable(const std::string &table_name)
{
std::vector<std::vector<std::string>> string_lists;
auto &context = GetSol2Context();
BOOST_ASSERT(context.state.lua_state() != nullptr);
sol::table table = context.profile_table[table_name];
if (!table.valid())
{
return string_lists;
}
for (const auto &pair : table)
{
sol::table inner_table = pair.second;
if (!inner_table.valid())
{
throw util::exception("Expected a sub-table at " + table_name + "[" +
pair.first.as<std::string>() + "]");
}
std::vector<std::string> inner_vector;
for (const auto &inner_pair : inner_table)
{
inner_vector.push_back(inner_pair.first.as<std::string>());
}
string_lists.push_back(std::move(inner_vector));
}
return string_lists;
}
std::vector<std::vector<std::string>> Sol2ScriptingEnvironment::GetExcludableClasses()
{
auto &context = GetSol2Context();
switch (context.api_version)
{
case 4:
case 3:
case 2:
return Sol2ScriptingEnvironment::GetStringListsFromTable("excludable");
default: