#pragma once

#include "envoy/buffer/buffer.h"

namespace Envoy {

namespace Compression {

namespace Compressor {

/**

 * Compressor state whether to flush the compressor or to finish the compression stream.

 */

enum class State { Flush, Finish };

/**

 * Allows compressing data.

 */

class Compressor {

public:

  /**

   * Compresses data buffer.

   * @param buffer supplies the reference to data to be compressed. The content of the buffer will

   *        be replaced inline with the compressed data.

   * @param state supplies the compressor state.

   */

  virtual void compress(Buffer::Instance& buffer, State state) PURE;

};

using CompressorPtr = std::unique_ptr<Compressor>;

} // namespace Compressor

} // namespace Compression

} // namespace Envoy