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#ifndef _FuzzyExpander_h_
#define _FuzzyExpander_h_
//
// FuzzyExpander.h
//
// FuzzyExpander: (abstract) root of a family of query factories.
// They make fuzzy queries for given words
// and store word weights to results
// by using the existing fuzzy algorithms
//
// Part of the ht://Dig package <http://www.htdig.org/>
// Copyright (c) 1995-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later
// <http://www.gnu.org/copyleft/lgpl.html>
//
// $Id: FuzzyExpander.h,v 1.4 2004/05/28 13:15:24 lha Exp $
//
//
// for details about the basic architectural pattern see the book:
// Design Patterns, by the infamous GoF
// Factory pattern
//
#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif
#include "htString.h"
class Query;
// abstract
class FuzzyExpander
{
public:
FuzzyExpander() {}
virtual ~FuzzyExpander() {}
// generate a query for this word
virtual Query *MakeQuery(const String &word) = 0;
};
#endif
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