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/*
* Zlib Compressor
* (C) 2001 Peter J Jones
* 2001-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_ZLIB_H__
#define BOTAN_ZLIB_H__
#include <botan/compression.h>
namespace Botan {
/**
* Zlib Compression
*/
class BOTAN_DLL Zlib_Compression : public Stream_Compression
{
public:
/**
* @param level how much effort to use on compressing (0 to 9);
* higher levels are slower but tend to give better
* compression
* @param raw_deflate if true no zlib header/trailer will be used
*/
Zlib_Compression(size_t level = 6, bool raw_deflate = false) :
m_level(level), m_raw_deflate(raw_deflate) {}
std::string name() const override { return "Zlib_Compression"; }
private:
Compression_Stream* make_stream() const;
const size_t m_level;
const bool m_raw_deflate;
};
/**
* Zlib Deccompression
*/
class BOTAN_DLL Zlib_Decompression : public Stream_Decompression
{
public:
/**
* @param raw_deflate if true no zlib header/trailer will be used
*/
Zlib_Decompression(bool raw_deflate = false) : m_raw_deflate(raw_deflate) {}
std::string name() const override { return "Zlib_Decompression"; }
private:
Compression_Stream* make_stream() const;
const bool m_raw_deflate;
};
/**
* Gzip Compression
*/
class BOTAN_DLL Gzip_Compression : public Stream_Compression
{
public:
/**
* @param level how much effort to use on compressing (0 to 9);
* higher levels are slower but tend to give better
* compression
*/
Gzip_Compression(size_t level = 6, byte os_code = 255) :
m_level(level), m_os_code(os_code) {}
std::string name() const override { return "Gzip_Compression"; }
private:
Compression_Stream* make_stream() const;
const size_t m_level;
const byte m_os_code;
};
/**
* Gzip Decompression
*/
class BOTAN_DLL Gzip_Decompression : public Stream_Compression
{
public:
std::string name() const override { return "Gzip_Decompression"; }
private:
Compression_Stream* make_stream() const;
};
}
#endif
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