New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

tools/openlr/candidate_points_getter.hpp

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "openlr/graph.hpp"
+#include "openlr/stats.hpp"
+
+#include "indexer/data_source.hpp"
+
+#include "geometry/point2d.hpp"
+
+#include <cstddef>
+#include <functional>
+#include <vector>
+
+namespace openlr
+{
+class CandidatePointsGetter
+{
+public:
+  CandidatePointsGetter(size_t const maxJunctionCandidates, size_t const maxProjectionCandidates,
+                        DataSource const & dataSource, Graph & graph)
+    : m_maxJunctionCandidates(maxJunctionCandidates)
+    , m_maxProjectionCandidates(maxProjectionCandidates)
+    , m_dataSource(dataSource)
+    , m_graph(graph)
+  {
+  }
+
+  void GetCandidatePoints(m2::PointD const & p, std::vector<m2::PointD> & candidates)
+  {
+    FillJunctionPointCandidates(p, candidates);
+    EnrichWithProjectionPoints(p, candidates);
+  }
+
+private:
+  void FillJunctionPointCandidates(m2::PointD const & p, std::vector<m2::PointD> & candidates);
+  void EnrichWithProjectionPoints(m2::PointD const & p, std::vector<m2::PointD> & candidates);
+
+  size_t const m_maxJunctionCandidates;
+  size_t const m_maxProjectionCandidates;
+
+  DataSource const & m_dataSource;
+  Graph & m_graph;
+};
+}  // namespace openlr