www.pudn.com > DCPlusPlus-src.zip > BZUtils.h

/*  
 * Copyright (C) 2001-2004 Jacek Sieka, j_s at telia com 
 * 
 * This program is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version. 
 * 
 * This program is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 * GNU General Public License for more details. 
 * 
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
 */ 
 
#ifndef _BZ_UTILS 
#define _BZ_UTILS 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#ifdef _WIN32 
#include "../bzip2/bzlib.h" 
#else 
#include  
#endif 
 
class BZFilter { 
public: 
	BZFilter(); 
	~BZFilter(); 
	/** 
	* Compress data. 
	* @param in Input data 
	* @param insize Input size (Set to 0 to indicate that no more data will follow) 
	* @param out Output buffer 
	* @param outsize Output size, set to compressed size on return. 
	* @return True if there's more processing to be done. 
	*/ 
	bool operator()(const void* in, size_t& insize, void* out, size_t& outsize); 
private: 
	bz_stream zs; 
}; 
 
class UnBZFilter { 
public: 
	UnBZFilter(); 
	~UnBZFilter(); 
	/** 
	* Decompress data. 
	* @param in Input data 
	* @param insize Input size (Set to 0 to indicate that no more data will follow) 
	* @param out Output buffer 
	* @param outsize Output size, set to decompressed size on return. 
	* @return True if there's more processing to be done 
	*/ 
	bool operator()(const void* in, size_t& insize, void* out, size_t& outsize); 
private: 
	bz_stream zs; 
}; 
 
#endif // _BZ_UTILS 
 
/** 
* @file 
* $Id: BZUtils.h,v 1.4 2004/09/07 01:36:51 arnetheduck Exp $ 
*/