New cpp folder structure

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

libs/indexer/shared_load_info.hpp

@@ -0,0 +1,44 @@
+#pragma once
+
+#include "indexer/data_header.hpp"
+
+#include "coding/files_container.hpp"
+#include "coding/geometry_coding.hpp"
+
+#include "base/macros.hpp"
+
+namespace feature
+{
+// This info is created once per FeaturesVector.
+class SharedLoadInfo
+{
+public:
+  using Reader = FilesContainerR::TReader;
+
+  SharedLoadInfo(FilesContainerR const & cont, DataHeader const & header);
+
+  Reader GetDataReader() const;
+  Reader GetGeometryReader(size_t ind) const;
+  Reader GetTrianglesReader(size_t ind) const;
+
+  serial::GeometryCodingParams const & GetDefGeometryCodingParams() const
+  {
+    return m_header.GetDefGeometryCodingParams();
+  }
+
+  serial::GeometryCodingParams GetGeometryCodingParams(int scaleIndex) const
+  {
+    return m_header.GetGeometryCodingParams(scaleIndex);
+  }
+
+  int GetScalesCount() const { return static_cast<int>(m_header.GetScalesCount()); }
+  int GetScale(int i) const { return m_header.GetScale(i); }
+  int GetLastScale() const { return m_header.GetLastScale(); }
+
+private:
+  FilesContainerR const & m_cont;
+  DataHeader const & m_header;
+
+  DISALLOW_COPY_AND_MOVE(SharedLoadInfo);
+};
+}  // namespace feature