#ifndef GENERS_BZ2HANDLE_HH_
#define GENERS_BZ2HANDLE_HH_

// There is no way to have a forward declaration of bz_stream
// because it is a typedef of an anonymous struct. Because of
// this, the bzlib header must be included here...
#include "bzlib.h"

// Note that, unlike similar Zlib handles, BZ2 handles manage
// external objects (typically living on the stack). This is
// because bz_stream has to be created every time a compression
// is performed, and having it on the stack saves a bit of time.

namespace gs {
  class BZ2InflateHandle {
  public:
    explicit BZ2InflateHandle(bz_stream &strm);
    ~BZ2InflateHandle();

    BZ2InflateHandle() = delete;
    BZ2InflateHandle(const BZ2InflateHandle &) = delete;
    BZ2InflateHandle &operator=(const BZ2InflateHandle &) = delete;

  private:
    bz_stream *strm_;
  };

  class BZ2DeflateHandle {
  public:
    explicit BZ2DeflateHandle(bz_stream &strm);
    ~BZ2DeflateHandle();

    BZ2DeflateHandle() = delete;
    BZ2DeflateHandle(const BZ2DeflateHandle &) = delete;
    BZ2DeflateHandle &operator=(const BZ2DeflateHandle &) = delete;

  private:
    bz_stream *strm_;
  };
}  // namespace gs

#endif  // GENERS_BZ2HANDLE_HH_