Repo created

libs/search/lazy_centers_table.hpp

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+#pragma once
+
+#include "indexer/centers_table.hpp"
+
+#include "coding/files_container.hpp"
+
+#include "geometry/point2d.hpp"
+
+#include <cstdint>
+#include <memory>
+
+class MwmValue;
+
+namespace search
+{
+class LazyCentersTable
+{
+public:
+  enum State
+  {
+    STATE_NOT_LOADED,
+    STATE_LOADED,
+    STATE_FAILED
+  };
+
+  explicit LazyCentersTable(MwmValue const & value);
+
+  inline State GetState() const { return m_state; }
+
+  void EnsureTableLoaded();
+
+  [[nodiscard]] bool Get(uint32_t id, m2::PointD & center);
+
+private:
+  MwmValue const & m_value;
+  State m_state;
+
+  FilesContainerR::TReader m_reader;
+  std::unique_ptr<CentersTable> m_table;
+};
+}  // namespace search