#include <string.h>

#include <kalmia.h>
#include "util/util.h"
#include "xml/xml.h"
#include "geometry.h"


int kai_read_float_array(struct ka_float_array_t *dest, struct kai_tag_t *src)
{
	if (strcmp(src->type, "float_array") != 0) {
		/* incorrect tag type */
		return -1;
	}

	int flag;
	dest->count = kai_tag_attr_to_long(src, "count", 0, &flag);
	if (flag != 0) {
		/* count not present */
		return -1;
	}

	char *id = kai_tag_get_attr(src, "id");
	if (id != NULL)
		dest->id = strdup(id);
	else
		dest->id = NULL;

	dest->digits = kai_tag_attr_to_long(src, "digits", 6, NULL);
	dest->magnitude = kai_tag_attr_to_long(src, "magnitude", 38, NULL);

	/* allocate & fill buffer */
	dest->buf = malloc(dest->count * sizeof(ka_real_t));
	kai_text_to_reals(dest->buf, src->content, dest->count);

	return 0;
}