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/***************************************************************************
* *
* copyright (C) 2003, 2004 by Michael Buesch *
* email: mbuesch@freenet.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License version 2 *
* as published by the Free Software Foundation. *
* *
***************************************************************************/
/***************************************************************************
* copyright (C) 2004 by Ulf Schenk
* This file is originaly based on version 1.0.1 of pwmanager
* and was modified to run on embedded devices that run microkde
*
* $Id$
**************************************************************************/
#ifndef COMPRESSGZIP_H
#define COMPRESSGZIP_H
#include <string>
using std::string;
/** gzip compression */
class CompressGzip
{
public:
CompressGzip() {}
/** compress the string d */
bool compress(string *d);
/** decompress the string d */
bool decompress(string *d);
protected:
/** calculates the length of the dest-buffer
* for compress() using the size of the source-buffer
*/
unsigned int calcCompressDestLen(unsigned int sourceLen)
{ return (sourceLen + (sourceLen / 100 / 10 + 12)); }
/** calculates the length of the dest-buffer
* for decompress() using the size of the source-buffer
*/
unsigned int calcDecompressDestLen(unsigned int sourceLen)
{ return (sourceLen * 2); }
};
#endif
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