/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/CxxUtils/CxxUtils/BitPacker.h

Go to the documentation of this file.

// This file's extension implies that it's C, but it's really -*- C++ -*-.
// $Id$
#ifndef CXXUTILS_BITPACKER_H
#define CXXUTILS_BITPACKER_H


#include <stdint.h>
#include <cassert>


namespace CxxUtils {


template <class STREAM>
class BitPacker
{
public:
  BitPacker (uint8_t nbits, STREAM& stream);


  ~BitPacker();


  void pack (uint32_t x);


private:
  uint32_t m_buf;

  uint8_t m_nbuf;

  uint8_t m_nbits;

  STREAM& m_stream;
};


template <class STREAM>
class BitPacker8
{
public:
  BitPacker8 (STREAM& stream);


  BitPacker8 (uint8_t nbits, STREAM& stream);


  ~BitPacker8();


  void pack (uint32_t x);


private:
  uint32_t m_buf;

  uint8_t m_nbuf;

  STREAM& m_stream;
};


template <class STREAM>
class BitPacker16
{
public:
  BitPacker16 (STREAM& stream);


  BitPacker16 (uint8_t nbits, STREAM& stream);


  ~BitPacker16();


  void pack (uint32_t x);


private:
  uint32_t m_buf;

  uint8_t m_nbuf;

  STREAM& m_stream;
};


} // namespace CxxUtils


#include "CxxUtils/BitPacker.icc"


#endif // not CXXUTILS_BITPACKER_H

---