#ifndef _Strings_extensions_h_
#define _Strings_extensions_h_
/* Strings_extensions.h
 *
 * Copyright (C) 1993-2005 David Weenink
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 djmw 20010114
 djmw 20020813 GPL header
 djmw 20040629 Strings_append now accepts an Ordered of Strings.
 djmw 20050714 Permutations
 djmw 20050724 Index
*/
#ifndef _Collection_h_
	#include "Collection.h"
#endif

#ifndef _Strings_h_
	#include "Strings.h"
#endif

#ifndef _Permutation_h_
	#include "Permutation.h"
#endif

#ifndef _Index_h_
	#include "Index.h"
#endif

Strings Strings_createFixedLength (long numberOfStrings);

Strings Strings_append (Ordered me);

Strings Strings_change (Strings me, char *search, char *replace, 
	int maximumNumberOfReplaces, long *nmatches, long *nstringmatches, 
	int use_regexp);

int Strings_setString (Strings me, char *new, long index);

Strings strings_to_Strings (char **strings, long from, long to);

Strings Strings_extractPart (Strings me, long start, long end);

Strings strings_to_Strings_link (char** strings, long n);
/* for (i=1; i<= n; i++) my strings[i] = strings[i]; */
void _Strings_unlink (Strings me);
/* for (i=1; i<= my numberOfStrings; i++) my strings[i] = NULL; */

StringsIndex Strings_to_StringsIndex (Strings me);

Strings StringsIndex_to_Strings (StringsIndex me);

Permutation Strings_to_Permutation (Strings me, int sort);

Strings Strings_and_Permutation_permuteStrings (Strings me, Permutation thee);

#endif /* _Strings_extensions_h_ */