Added driveway handler

include/extractor/guidance/driveway_handler.hpp

@@ -0,0 +1,41 @@
+#ifndef OSRM_EXTRACTOR_GUIDANCE_DRIVEWAY_HANDLER_HPP
+#define OSRM_EXTRACTOR_GUIDANCE_DRIVEWAY_HANDLER_HPP
+
+#include "extractor/guidance/intersection_handler.hpp"
+
+namespace osrm
+{
+namespace extractor
+{
+namespace guidance
+{
+
+// Intersection handlers deal with all issues related to intersections.
+// They assign appropriate turn operations to the TurnOperations.
+class DrivewayHandler final : public IntersectionHandler
+{
+  public:
+    DrivewayHandler(const IntersectionGenerator &intersection_generator,
+                    const util::NodeBasedDynamicGraph &node_based_graph,
+                    const std::vector<util::Coordinate> &coordinates,
+                    const util::NameTable &name_table,
+                    const SuffixTable &street_name_suffix_table);
+
+    ~DrivewayHandler() override final = default;
+
+    // check whether the handler can actually handle the intersection
+    bool canProcess(const NodeID nid,
+                    const EdgeID via_eid,
+                    const Intersection &intersection) const override final;
+
+    // process the intersection
+    Intersection operator()(const NodeID nid,
+                            const EdgeID via_eid,
+                            Intersection intersection) const override final;
+};
+
+} // namespace guidance
+} // namespace extractor
+} // namespace osrm
+
+#endif /* OSRM_EXTRACTOR_GUIDANCE_DRIVEWAY_HANDLER_HPP */

include/extractor/guidance/intersection_handler.hpp

@@ -114,6 +114,8 @@ class IntersectionHandler
     // For this scenario returns intersection at `b` and `b`.
     boost::optional<IntersectionHandler::IntersectionViewAndNode>
     getNextIntersection(const NodeID at, const EdgeID via) const;
+
+    bool isSameName(const EdgeID source_edge_id, const EdgeID target_edge_id) const;
 };
 
 // Impl.

include/extractor/guidance/turn_analysis.hpp

@@ -2,6 +2,7 @@
 #define OSRM_EXTRACTOR_TURN_ANALYSIS
 
 #include "extractor/compressed_edge_container.hpp"
+#include "extractor/guidance/driveway_handler.hpp"
 #include "extractor/guidance/intersection.hpp"
 #include "extractor/guidance/intersection_generator.hpp"
 #include "extractor/guidance/intersection_normalization_operation.hpp"
@@ -87,6 +88,7 @@ class TurnAnalysis
     const TurnHandler turn_handler;
     const SliproadHandler sliproad_handler;
     const SuppressModeHandler suppress_mode_handler;
+    const DrivewayHandler driveway_handler;
 
     // Utility function, setting basic turn types. Prepares for normal turn handling.
     Intersection