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/* strategy.h --
* Created: Sun Mar 2 17:16:13 2003 by Aleksey Cheusov <vle@gmx.net>
* Copyright 1994-2003 Rickard E. Faith (faith@dict.org)
*
* 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 1, 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.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _STRATEGY_H_
#define _STRATEGY_H_
#include "dictP.h"
/* search strategies*/
#define DICT_STRAT_DOT 0 /* `.' i.e. default strategy */
#define DICT_STRAT_EXACT 1 /* Exact */
#define DICT_STRAT_PREFIX 2 /* Prefix */
#define DICT_STRAT_SUBSTRING 3 /* Substring */
#define DICT_STRAT_SUFFIX 4 /* Suffix */
#define DICT_STRAT_RE 5 /* POSIX 1003.2 (modern) regular expressions */
#define DICT_STRAT_REGEXP 6 /* old (basic) regular expresions */
#define DICT_STRAT_SOUNDEX 7 /* Soundex */
#define DICT_STRAT_LEVENSHTEIN 8 /* Levenshtein */
#define DICT_STRAT_WORD 9 /* Word */
#define DICT_STRAT_NPREFIX 10 /* NPrefix */
#define DICT_STRAT_FIRST 11 /* First */
#define DICT_STRAT_LAST 12 /* Last */
typedef struct dictStrategy {
const char *name;
const char *description;
int number;
} dictStrategy;
extern int default_strategy;
/* initialize/destroy the default strategy list */
extern void dict_init_strategies (void);
extern void dict_destroy_strategies (void);
/* disable comma-separated strategies */
extern void dict_disable_strategies (const char *strategies);
/* add new strategy */
extern void dict_add_strategy (const char *strat, const char *description);
/* */
extern int get_strategy_count (void);
extern int get_max_strategy_num (void);
extern const dictStrategy *const *get_strategies (void);
extern const dictStrategy *get_strategy (int strat);
/* returns -1 if fails */
extern int lookup_strategy (const char *strategy);
/* terminates dictd if fails */
extern int lookup_strategy_ex (const char *strategy);
#endif /* _STRATEGY_H_ */
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