New cpp folder structure

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

libs/routing/fake_edges_container.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include "routing/fake_graph.hpp"
+#include "routing/fake_vertex.hpp"
+#include "routing/index_graph_starter.hpp"
+#include "routing/segment.hpp"
+
+#include <cstddef>
+#include <cstdint>
+#include <limits>
+#include <utility>
+
+namespace routing
+{
+class FakeEdgesContainer final
+{
+  friend class IndexGraphStarter;
+
+public:
+  FakeEdgesContainer(IndexGraphStarter && starter)
+    : m_finish(std::move(starter.m_finish))
+    , m_fake(std::move(starter.m_fake))
+  {
+  }
+
+  uint32_t GetNumFakeEdges() const
+  {
+    // Maximal number of fake segments in fake graph is numeric_limits<uint32_t>::max()
+    // because segment idx type is uint32_t.
+    CHECK_LESS_OR_EQUAL(m_fake.GetSize(), std::numeric_limits<uint32_t>::max(), ());
+    return static_cast<uint32_t>(m_fake.GetSize());
+  }
+
+private:
+  // Finish ending.
+  IndexGraphStarter::Ending m_finish;
+  FakeGraph m_fake;
+};
+}  // namespace routing