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/******************************************************************************
* swfilter.h - definition of class SWFilter used to filter text between
* different formats
*
* $Id: swfilter.h 1864 2005-11-20 06:06:40Z scribe $
*
* Copyright 1998 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* 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 version 2.
*
* 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.
*
*/
#ifndef SWFILTER_H
#define SWFILTER_H
#include <defs.h>
SWORD_NAMESPACE_START
class SWKey;
class SWBuf;
class SWModule;
class SWModule;
/** Base class for all filters in sword.
* Filters are used to filter/convert text between different formats
* like GBF, HTML, RTF ...
*/
class SWDLLEXPORT SWFilter {
public:
virtual ~SWFilter() {}
/** This is the main filter function
* @param text The text to be filtered/converted
* @param key Current key That was used.
* @param module Current module.
* @return 0
*/
virtual char processText(SWBuf &text, const SWKey *key = 0, const SWModule *module = 0) = 0;
};
SWORD_NAMESPACE_END
#endif
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