New cpp folder structure

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

libs/routing/city_roads.cpp

@@ -0,0 +1,45 @@
+#include "routing/city_roads.hpp"
+
+#include "routing/city_roads_serialization.hpp"
+
+#include "indexer/data_source.hpp"
+
+#include "base/logging.hpp"
+
+#include <utility>
+
+#include "defines.hpp"
+
+namespace routing
+{
+bool CityRoads::IsCityRoad(uint32_t fid) const
+{
+  return fid < m_cityRoads.size() ? m_cityRoads[fid] : false;
+}
+
+void CityRoads::Load(ReaderT const & reader)
+{
+  ReaderSource<ReaderT> src(reader);
+  CityRoadsSerializer::Deserialize(src, m_cityRoadsRegion, m_cityRoads);
+}
+
+std::unique_ptr<CityRoads> LoadCityRoads(MwmSet::MwmHandle const & handle)
+{
+  auto const * value = handle.GetValue();
+  CHECK(value, ());
+
+  try
+  {
+    auto cityRoads = std::make_unique<CityRoads>();
+    if (value->m_cont.IsExist(CITY_ROADS_FILE_TAG))
+      cityRoads->Load(value->m_cont.GetReader(CITY_ROADS_FILE_TAG));
+    return cityRoads;
+  }
+  catch (Reader::Exception const & e)
+  {
+    LOG(LERROR, ("File", value->GetCountryFileName(), "Error while reading", CITY_ROADS_FILE_TAG,
+                 "section.", e.Msg()));
+    return std::make_unique<CityRoads>();
+  }
+}
+}  // namespace routing