New cpp folder structure

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

tools/openlr/decoded_path.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "routing/road_graph.hpp"
+
+#include "base/exception.hpp"
+#include "base/newtype.hpp"
+
+#include <cstdint>
+#include <fstream>
+#include <string>
+#include <vector>
+
+#include <pugixml.hpp>
+
+class DataSource;
+
+namespace openlr
+{
+using Path = routing::RoadGraphBase::EdgeVector;
+using routing::Edge;
+
+NEWTYPE(uint32_t, PartnerSegmentId);
+NEWTYPE_SIMPLE_OUTPUT(PartnerSegmentId);
+
+DECLARE_EXCEPTION(DecodedPathLoadError, RootException);
+DECLARE_EXCEPTION(DecodedPathSaveError, RootException);
+
+struct DecodedPath
+{
+  PartnerSegmentId m_segmentId;
+  Path m_path;
+};
+
+uint32_t UintValueFromXML(pugi::xml_node const & node);
+
+void WriteAsMappingForSpark(std::string const & fileName, std::vector<DecodedPath> const & paths);
+void WriteAsMappingForSpark(std::ostream & ost, std::vector<DecodedPath> const & paths);
+
+void PathFromXML(pugi::xml_node const & node, DataSource const & dataSource, Path & path);
+void PathToXML(Path const & path, pugi::xml_node & node);
+}  // namespace openlr
+
+namespace routing
+{
+inline m2::PointD GetStart(Edge const & e) { return e.GetStartJunction().GetPoint(); }
+inline m2::PointD GetEnd(Edge const & e) { return e.GetEndJunction().GetPoint(); }
+
+std::vector<m2::PointD> GetPoints(routing::RoadGraphBase::EdgeVector const & p);
+}  // namespace routing