Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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coding/buffered_file_writer.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "coding/file_writer.hpp"
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+class BufferedFileWriter : public FileWriter
+{
+public:
+  explicit BufferedFileWriter(std::string const & fileName, Op operation = OP_WRITE_TRUNCATE,
+                              size_t bufferSize = 4096);
+
+  ~BufferedFileWriter() noexcept(false) override;
+
+  // Writer overrides:
+  void Seek(uint64_t pos) override;
+  uint64_t Pos() const override;
+  void Write(void const * p, size_t size) override;
+
+  // FileWriter overrides:
+  uint64_t Size() const override;
+  void Flush() override;
+
+private:
+  void DropBuffer();
+
+  std::vector<uint8_t> m_buf;
+};