/* Strings_extensions.c
 *
 * Copyright (C) 1993-2002 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 20011003
 djmw 20020813 GPL header
 djmw 20030107 Added Strings_setString
*/

#include "Strings_extensions.h"
#include "NUM2.h"

Strings Strings_change (Strings me, char *search, char *replace, 
	int maximumNumberOfReplaces, long *nmatches, long *nstringmatches, 
	int use_regexp)
{
	char **strings;
	Strings thee = new (Strings);
	if (thee == NULL) return NULL;
	
	strings = strs_replace (my strings, 1, my numberOfStrings, 
		search, replace, maximumNumberOfReplaces, nmatches, 
		nstringmatches, use_regexp);
		
	if (strings == NULL)
	{
		forget (thee);
		return NULL;
	}
	thy numberOfStrings = my numberOfStrings;
	thy strings = strings;
	return thee;
}

int Strings_setString (Strings me, char *new, long index)
{
	char *s;
	if (index < 1 || index > my numberOfStrings) return Melder_error 
		("Strings_setString: index must be in range [1, %d].", my numberOfStrings);

	s = Melder_strdup (new);
	if (my strings[index]) Melder_free (my strings[index]);
	my strings[index] = s;
	return 1;
}


/* End of file Strings_extensions.c */
