/*
 * These are the libueda routines for handling population options.
 */

#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "mcl.h"

extern char *get_comp_attr();

#define	MAX_POPOPT_LIST		10
static int popopt_list[MAX_POPOPT_LIST], npopopt = 1;
static int all_popopt;

set_popopt_list(arg)
	char *arg;
{
	register char *cp, *np;
	register int i;

	if (!strcmp(arg, "all")) {
		all_popopt = 1;
		return;
	}
	for (cp = arg, i = 0; *cp; ) {
		if (*cp == ',') {
			cp++;
			continue;
		}
		if (!isdigit(*cp)) {
			fprintf(stderr,
				"%s: invalid population option specification\n",
				arg);
			exit(1);
		}
		for (np = cp; isdigit(*cp); cp++)
			;
		if (i >= MAX_POPOPT_LIST) {
			fprintf(stderr,
				"%s: too many population options listed\n",
				arg);
			exit(1);
		}
		popopt_list[i++] = atoi(np);
	}
	npopopt = i;
}

check_component_popopt(comp)
	struct component *comp;
{
	register char *popopt_string;
	register int popopt, i;

	if (all_popopt)
		return(1);
	popopt_string = get_comp_attr(comp, "population_option");
	if (!popopt_string)
		popopt_string = "0";
	if (!strcmp(popopt_string, "NO"))
		return(0);
	popopt = atoi(popopt_string);
	for (i = 0; i < npopopt; i++)
		if (popopt_list[i] == popopt)
			return(1);
	return(0);
}