New cpp folder structure

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

libs/routing/routing_options.hpp

@@ -0,0 +1,70 @@
+#pragma once
+
+#include "base/small_map.hpp"
+
+#include <optional>
+#include <string>
+#include <type_traits>
+
+namespace routing
+{
+class RoutingOptions
+{
+public:
+  enum Road : uint8_t
+  {
+    Usual    = 1u << 0,
+    Toll     = 1u << 1,
+    Motorway = 1u << 2,
+    Ferry    = 1u << 3,
+    Dirty    = 1u << 4,
+
+    Max      = (1u << 4) + 1
+  };
+
+  using RoadType = std::underlying_type_t<Road>;
+
+  RoutingOptions() = default;
+  explicit RoutingOptions(RoadType mask) : m_options(mask) {}
+
+  static RoutingOptions LoadCarOptionsFromSettings();
+  static void SaveCarOptionsToSettings(RoutingOptions options);
+
+  void Add(Road type);
+  void Remove(Road type);
+  bool Has(Road type) const;
+
+  RoadType GetOptions() const { return m_options; }
+
+private:
+  RoadType m_options = 0;
+};
+
+class RoutingOptionsClassifier
+{
+public:
+  RoutingOptionsClassifier();
+
+  std::optional<RoutingOptions::Road> Get(uint32_t type) const;
+  static RoutingOptionsClassifier const & Instance();
+
+private:
+  base::SmallMap<uint32_t, RoutingOptions::Road> m_data;
+};
+
+RoutingOptions::Road ChooseMainRoutingOptionRoad(RoutingOptions options, bool isCarRouter);
+
+std::string DebugPrint(RoutingOptions const & routingOptions);
+std::string DebugPrint(RoutingOptions::Road type);
+
+/// Options guard for debugging/tests.
+class RoutingOptionSetter
+{
+public:
+  explicit RoutingOptionSetter(RoutingOptions::RoadType roadsMask);
+  ~RoutingOptionSetter();
+
+private:
+  RoutingOptions m_saved;
+};
+}  // namespace routing