TAO::ZlibCompressor Class Reference

#include <ZlibCompressor.h>

Inheritance diagram for TAO::ZlibCompressor:

Collaboration diagram for TAO::ZlibCompressor:

List of all members.

Public Member Functions
	ZlibCompressor (::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 ZlibCompressor.h.

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Constructor & Destructor Documentation

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

Definition at line 3 of file ZlibCompressor.cpp.

               : ZlibCompressor.cpp 84846 2009-03-16 18:37:44Z msmit $")

#include "zlib.h"

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Member Function Documentation

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

Implements TAO::BaseCompressor.

Definition at line 11 of file ZlibCompressor.cpp.

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

void
ZlibCompressor::compress (
    const ::Compression::Buffer & source,
    ::Compression::Buffer & target
  )
{
  uLongf max_length =
    static_cast <uLongf> (source.length () * 1.001) + 12;
  target.length (static_cast <CORBA::ULong> (max_length));

  int const retval = ::compress2 (reinterpret_cast <Bytef*>(target.get_buffer ()),
                                  &max_length,
                                  reinterpret_cast <const Bytef*>(source.get_buffer ()),
                                  source.length (),
                                  this->compression_level ());

  if (retval != Z_OK)
    {

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

Implements TAO::BaseCompressor.

Definition at line 40 of file ZlibCompressor.cpp.

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

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

void
ZlibCompressor::decompress (
  const ::Compression::Buffer & source,
  ::Compression::Buffer & target)
{
  uLongf max_length = static_cast <uLongf> (target.length ());
  int const retval = uncompress (reinterpret_cast <Bytef*>(target.get_buffer ()),
                                 &max_length,
                                 reinterpret_cast <const Bytef*>(source.get_buffer ()),
                                 source.length ());

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

• ZlibCompressor.h
• ZlibCompressor.cpp