bzip2.h

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/*
* Bzip Compressor
* (C) 2001 Peter J Jones
*     2001-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
 
#ifndef BOTAN_BZIP2_H__
#define BOTAN_BZIP2_H__
 
#include <botan/filter.h>
 
namespace Botan {
 
/**
* Bzip Compression Filter
*/
class BOTAN_DLL Bzip_Compression : public Filter
   {
   public:
      std::string name() const { return "Bzip_Compression"; }
 
      void write(const byte input[], size_t length);
      void start_msg();
      void end_msg();
 
      void flush();
 
      Bzip_Compression(size_t = 9);
      ~Bzip_Compression() { clear(); }
   private:
      void clear();
 
      const size_t level;
      SecureVector<byte> buffer;
      class Bzip_Stream* bz;
   };
 
/**
* Bzip Decompression Filter
*/
class BOTAN_DLL Bzip_Decompression : public Filter
   {
   public:
      std::string name() const { return "Bzip_Decompression"; }
 
      void write(const byte input[], size_t length);
      void start_msg();
      void end_msg();
 
      Bzip_Decompression(bool = false);
      ~Bzip_Decompression() { clear(); }
   private:
      void clear();
 
      const bool small_mem;
      SecureVector<byte> buffer;
      class Bzip_Stream* bz;
      bool no_writes;
   };
 
}
 
#endif