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/* This file is part of Jumper
   Copyright (C) 2013 Sergey Poznyakoff
  
   Jumper 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 3, or (at your option)
   any later version.
  
   Jumper 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 Jumper.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "jumper.h"

int
trans_strtotok(struct transtab *tab, const char *str, int *ret)
{
	for (; tab->name; tab++)
		if (strcmp(tab->name, str) == 0) {
			*ret = tab->tok;
			return 0;
		}
	return -1;
}

char *
trans_toktostr(struct transtab *tab, int tok)
{
	for (; tab->name; tab++)
		if (tab->tok == tok)
			return tab->name;
	return NULL;
}

char *
trans_toknext(struct transtab *tab, int tok, int *next)
{
	int i;
	
	for (i = *next; tab[i].name; i++)
		if (tab[i].tok & tok) {
			*next = i + 1;
			return tab[i].name;
		}
	*next = i;
	return NULL;
}

char *
trans_tokfirst(struct transtab *tab, int tok, int *next)
{
	*next = 0;
	return trans_toknext(tab, tok, next);
}

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