TAO::Bzip2Compressor Class Reference

#include <Bzip2Compressor.h>

Inheritance diagram for TAO::Bzip2Compressor:

Collaboration diagram for TAO::Bzip2Compressor:

List of all members.

Public Member Functions
	Bzip2Compressor (::Compression::CompressionLevel compression_level,::Compression::CompressorFactory_ptr compressor_factory)
virtual void	compress (const ::Compression::Buffer &source,::Compression::Buffer &target)
virtual void	decompress (const ::Compression::Buffer &source,::Compression::Buffer &target)

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Detailed Description

Definition at line 33 of file Bzip2Compressor.h.

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Constructor & Destructor Documentation

TAO::Bzip2Compressor::Bzip2Compressor	(	::Compression::CompressionLevel	compression_level,
		::Compression::CompressorFactory_ptr	compressor_factory
	)

Definition at line 3 of file Bzip2Compressor.cpp.

               : Bzip2Compressor.cpp 84843 2009-03-16 16:38:54Z msmit $")

#include "bzlib.h"

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Member Function Documentation

void TAO::Bzip2Compressor::compress	(	const ::Compression::Buffer &	source,
		::Compression::Buffer &	target
	)			[virtual]

Implements TAO::BaseCompressor.

Definition at line 11 of file Bzip2Compressor.cpp.

{
Bzip2Compressor::Bzip2Compressor (
  ::Compression::CompressionLevel compression_level,
  ::Compression::CompressorFactory_ptr compressor_factory) :
    BaseCompressor (compression_level, compressor_factory)
{
}

void
Bzip2Compressor::compress (
    const ::Compression::Buffer & source,
    ::Compression::Buffer & target
  )
{
  unsigned int max_length =
    static_cast <unsigned int> (source.length () * 1.01) + 600;
  target.length (static_cast <CORBA::ULong> (max_length));

  int const retval = ::BZ2_bzBuffToBuffCompress (reinterpret_cast <char*>(target.get_buffer ()),
                                  &max_length,
                                  reinterpret_cast <char*>(const_cast<CORBA::Octet*>(source.get_buffer ())),
                                  source.length (),
                                  9,
                                  1,
                                  this->compression_level () * 25);

  if (retval != BZ_OK)
    {

void TAO::Bzip2Compressor::decompress	(	const ::Compression::Buffer &	source,
		::Compression::Buffer &	target
	)			[virtual]

Implements TAO::BaseCompressor.

Definition at line 42 of file Bzip2Compressor.cpp.

    {
      target.length (static_cast <CORBA::ULong> (max_length));
    }

  // Update statistics for this compressor
  this->update_stats (source.length (), target.length ());
}

void
Bzip2Compressor::decompress (
  const ::Compression::Buffer & source,
  ::Compression::Buffer & target)
{
  unsigned int max_length = static_cast <unsigned int> (target.length ());
  // todo, check 0,1 values
  int const retval = ::BZ2_bzBuffToBuffDecompress (reinterpret_cast <char*>(target.get_buffer ()),
                                 &max_length,
                                 reinterpret_cast <char*>(const_cast<CORBA::Octet*>(source.get_buffer ())),
                                 source.length (),
                                 0,
                                 1);

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The documentation for this class was generated from the following files:

• Bzip2Compressor.h
• Bzip2Compressor.cpp