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/***************************************************************
LanceMan's quickplot --- a fast interactive 2D plotter
Copyright (C) 1998, 1999 Lance Arsenault
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; version 2
of the License.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Or look at http://www.gnu.org/copyleft/gpl.html .
**********************************************************************/
/* $Id: add_plots_list.c,v 1.2 1999/01/15 02:19:14 lance Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "data.h"
static int is_it_seperater_char(char c)
{
return (c == ' ' || c == '\t' || c == ',');
}
/* put in ' ' in place of the first num strings
* that are seperated by seperater_char
* i.e. is_it_seperater_char()=TRUE
*/
static void strip_strings(char *str, int num)
{
int i,j;
for(j=0;is_it_seperater_char(str[j])
&& str[j] != '\0';j++)
str[j] = ' ';
for(i=0;i<num && str[j] != '\0';i++)
{
while(!is_it_seperater_char(str[j])
&& str[j] != '\0')
str[j++] = ' ';
while(is_it_seperater_char(str[j])
&& str[j] != '\0')
str[j++] = ' ';
}
}
int add_plots_list(Plot *plot, const char *list, int plot_Options)
{
int j,x,y;
char *local_list;
assert(NULL != (local_list = (char *) malloc(
(strlen(list)+1)*sizeof(char)
)));
strcpy(local_list,list);
while(2 == (j = sscanf(local_list,"%d %d",&y,&x)))
{
#if(0)
fprintf(stderr,"%s\n",local_list);
#endif
strip_strings(local_list,2);/* remove 2 strings from the list */
if(x < 0 || y < 0)
{
free(local_list);
return 1;
}
plot->num_plots++;
assert(NULL != (plot->plot_opt = (int *) realloc(
(void *)plot->plot_opt,sizeof(int)*plot->num_plots)));
assert(NULL != (plot->list = (int **) realloc(
(void *)plot->list,sizeof(int *)*plot->num_plots)));
assert(NULL != (plot->list[plot->num_plots-1] = (int *) malloc(
sizeof(int)*2)));
plot->list[plot->num_plots-1][X] = x;/* list what fields to plot */
plot->list[plot->num_plots-1][Y] = y;
plot->plot_opt[plot->num_plots-1] = plot_Options;
}
free(local_list);
/* if you got an odd number of field indexes in list */
if(j == 1 || plot->num_plots == 0)
return 1;
return 0;
}
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