//
// Endings.h
//
// Endings: A fuzzy matching algorithm to match the grammatical endings rules
//          used by the ispell dictionary files.
//           
// 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: Endings.h,v 1.7 2004/05/28 13:15:20 lha Exp $
//

#ifndef _Endings_h_
#define _Endings_h_

#include "Fuzzy.h"

class Dictionary;
class String;
class List;


class Endings : public Fuzzy
{
public:
    //
    // Construction/Destruction
    //
    Endings(const HtConfiguration& config_arg);
    virtual		~Endings();

    virtual void	getWords(char *word, List &words);
    virtual void	generateKey(char *word, String &key);
    virtual void	addWord(char *word);
    virtual int		openIndex();
    virtual int		writeDB();

    //
    // Special member which will create the two databases needed for this
    // algorithm.
    //
    int			createDB(const HtConfiguration &config);
	
    static void		mungeWord(char *, String &);
    
private:
    Database		*root2word;
    Database		*word2root;

    int			createRoot(Dictionary &, char *, char *, const String&);
    int			readRules(Dictionary &, const String&);
    void		expandWord(String &, List &, Dictionary &, char *, char *);
};

#endif
