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/* counters.c - Routines to access TeX variables that contain TeX counters
Copyright (C) 2001-2002 The Free Software Foundation
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
This file is available from http://sourceforge.net/projects/latex2rtf/
*/
#include <stdlib.h>
#include <string.h>
#include "main.h"
#include "utils.h"
#include "counters.h"
#define MAX_COUNTERS 500
typedef struct {
char *name;
int number;
} counter_type;
counter_type Counters[MAX_COUNTERS];
static int iCounterCount = 0;
static int existsCounter(char *s)
/**************************************************************************
purpose: checks to see if a named TeX counter exists
returns: the array index of the named TeX counter
**************************************************************************/
{
int i = 0;
while (i < iCounterCount && strstr(Counters[i].name, s) == NULL)
i++;
if (i == iCounterCount)
return -1;
else
return i;
}
static void newCounter(char *s, int n)
/**************************************************************************
purpose: allocates and initializes a named TeX counter
**************************************************************************/
{
if (iCounterCount == MAX_COUNTERS) {
diagnostics(WARNING, "Too many counters, ignoring %s", s);
return;
}
Counters[iCounterCount].number = n;
Counters[iCounterCount].name = strdup(s);
if (Counters[iCounterCount].name == NULL) {
diagnostics(WARNING, "\nCannot allocate name for counter \\%s\n", s);
exit(1);
}
iCounterCount++;
}
void incrementCounter(char *s)
/**************************************************************************
purpose: increments a TeX counter (or initializes to 1)
**************************************************************************/
{
int i;
i = existsCounter(s);
if (i < 0)
newCounter(s, 1);
else
Counters[i].number++;
}
void setCounter(char *s, int n)
/**************************************************************************
purpose: allocates (if necessary) and sets a named TeX counter
**************************************************************************/
{
int i;
i = existsCounter(s);
if (i < 0)
newCounter(s, n);
else
Counters[i].number = n;
}
int getCounter(char *s)
/**************************************************************************
purpose: retrieves a named TeX counter
**************************************************************************/
{
int i;
i = existsCounter(s);
if (i < 0) {
diagnostics(2, "No counter of type <%s>", s);
return 0;
}
return Counters[i].number;
}
void zeroKeyCounters(char *key)
/**************************************************************************
purpose: zeros all the acronym counters
**************************************************************************/
{
int i;
for (i=0; i < iCounterCount; i++) {
if (strstr(Counters[i].name,key)!=Counters[i].name)
Counters[i].number = 0;
}
}
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