migrated out of edge based graph factory

include/extractor/edge_based_graph_factory.hpp

@@ -10,6 +10,7 @@
 #include "extractor/edge_based_node.hpp"
 #include "extractor/original_edge_data.hpp"
 #include "extractor/query_node.hpp"
+#include "extractor/turn_analysis.hpp"
 
 #include "engine/guidance/turn_instruction.hpp"
 
@@ -128,52 +129,9 @@ class EdgeBasedGraphFactory
     void FlushVectorToStream(std::ofstream &edge_data_file,
                              std::vector<OriginalEdgeData> &original_edge_data_vector) const;
 
-    struct TurnCandidate
-    {
-        EdgeID eid; // the id of the arc
-        bool valid; // a turn may be relevant to good instructions, even if we cannot take the road
-        double angle;                                  // the approximated angle of the turn
-        engine::guidance::TurnInstruction instruction; // a proposed instruction
-        double confidence;                             // how close to the border is the turn?
-
-        std::string toString() const
-        {
-            std::string result = "[turn] ";
-            result += std::to_string(eid);
-            result += " valid: ";
-            result += std::to_string(valid);
-            result += " angle: ";
-            result += std::to_string(angle);
-            result += " instruction: ";
-            result += std::to_string(static_cast<std::int32_t>(instruction.type)) + " " +
-                      std::to_string(static_cast<std::int32_t>(instruction.direction_modifier));
-            result += " confidence: ";
-            result += std::to_string(confidence);
-            return result;
-        }
-    };
-
     // Use In Order to generate base turns
-
+    std::vector<TurnCandidate> getTurns(const NodeID from, const EdgeID via_edge);
     // cannot be const due to the counters...
-    std::vector<TurnCandidate> getTurnCandidates(const NodeID from, const EdgeID via_edge);
-    std::vector<TurnCandidate> optimizeCandidates(const EdgeID via_edge,
-                                                  std::vector<TurnCandidate> turn_candidates) const;
-
-    std::vector<TurnCandidate> optimizeRamps(const EdgeID via_edge,
-                                             std::vector<TurnCandidate> turn_candidates) const;
-
-    engine::guidance::TurnType
-    checkForkAndEnd(const EdgeID via_edge, const std::vector<TurnCandidate> &turn_candidates) const;
-    std::vector<TurnCandidate> handleForkAndEnd(const engine::guidance::TurnType type,
-                                                std::vector<TurnCandidate> turn_candidates) const;
-
-    std::vector<TurnCandidate> suppressTurns(const EdgeID via_edge,
-                                             std::vector<TurnCandidate> turn_candidates) const;
-
-    bool isObviousChoice(const EdgeID coming_from_eid,
-                         const std::size_t turn_index,
-                         const std::vector<TurnCandidate> &turn_candidates) const;
 
     std::size_t restricted_turns_counter;
     std::size_t skipped_uturns_counter;

include/extractor/turn_analysis.hpp

@@ -0,0 +1,109 @@
+#ifndef OSRM_EXTRACTOR_TURN_ANALYSIS
+#define OSRM_EXTRACTOR_TURN_ANALYSIS
+
+#include "engine/guidance/turn_classification.hpp"
+#include "engine/guidance/guidance_toolkit.hpp"
+
+#include "extractor/restriction_map.hpp"
+#include "extractor/compressed_edge_container.hpp"
+
+#include <unordered_set>
+
+namespace osrm
+{
+namespace extractor
+{
+
+struct TurnCandidate
+{
+    EdgeID eid;   // the id of the arc
+    bool valid;   // a turn may be relevant to good instructions, even if we cannot take the road
+    double angle; // the approximated angle of the turn
+    engine::guidance::TurnInstruction instruction; // a proposed instruction
+    double confidence;                             // how close to the border is the turn?
+
+    std::string toString() const
+    {
+        std::string result = "[turn] ";
+        result += std::to_string(eid);
+        result += " valid: ";
+        result += std::to_string(valid);
+        result += " angle: ";
+        result += std::to_string(angle);
+        result += " instruction: ";
+        result += std::to_string(static_cast<std::int32_t>(instruction.type)) + " " +
+                  std::to_string(static_cast<std::int32_t>(instruction.direction_modifier));
+        result += " confidence: ";
+        result += std::to_string(confidence);
+        return result;
+    }
+};
+namespace turn_analysis
+{
+
+std::vector<TurnCandidate>
+getTurns(const NodeID from_node,
+         const EdgeID via_eid,
+         const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph,
+         const std::vector<QueryNode> &node_info_list,
+         const std::shared_ptr<RestrictionMap const> restriction_map,
+         const std::unordered_set<NodeID> &barrier_nodes,
+         const CompressedEdgeContainer &compressed_edge_container);
+
+std::vector<TurnCandidate>
+setTurnTypes(const NodeID from,
+             const EdgeID via_edge,
+             std::vector<TurnCandidate> turn_candidates,
+             const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph);
+
+std::vector<TurnCandidate>
+optimizeRamps(const EdgeID via_edge,
+              std::vector<TurnCandidate> turn_candidates,
+              const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph);
+
+engine::guidance::TurnType
+checkForkAndEnd(const EdgeID via_eid,
+                const std::vector<TurnCandidate> &turn_candidates,
+                const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph);
+
+std::vector<TurnCandidate> handleForkAndEnd(const engine::guidance::TurnType type,
+                                            std::vector<TurnCandidate> turn_candidates);
+std::vector<TurnCandidate>
+optimizeCandidates(const EdgeID via_eid,
+                   std::vector<TurnCandidate> turn_candidates,
+                   const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph,
+                   const std::vector<QueryNode> &node_info_list);
+
+bool isObviousChoice(const EdgeID via_eid,
+                     const std::size_t turn_index,
+                     const std::vector<TurnCandidate> &turn_candidates,
+                     const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph);
+
+std::vector<TurnCandidate>
+suppressTurns(const EdgeID via_eid,
+              std::vector<TurnCandidate> turn_candidates,
+              const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph);
+
+std::vector<TurnCandidate>
+getTurnCandidates(const NodeID from_node,
+                  const EdgeID via_eid,
+                  const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph,
+                  const std::vector<QueryNode> &node_info_list,
+                  const std::shared_ptr<RestrictionMap const> restriction_map,
+                  const std::unordered_set<NodeID> &barrier_nodes,
+                  const CompressedEdgeContainer &compressed_edge_container);
+
+// node_u -- (edge_1) --> node_v -- (edge_2) --> node_w
+engine::guidance::TurnInstruction
+AnalyzeTurn(const NodeID node_u,
+            const EdgeID edge1,
+            const NodeID node_v,
+            const EdgeID edge2,
+            const NodeID node_w,
+            const double angle,
+            const std::shared_ptr<const util::NodeBasedDynamicGraph> node_based_graph);
+} // namespace turn_analysis
+} // namespace extractor
+} // namespace osrm
+
+#endif // OSRM_EXTRACTOR_TURN_ANALYSIS