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


struct kalmia_t * kalmia_parse_file(const char *filename)
{
	struct kai_tag_t *document = kai_parse_file(filename);
	if (document == NULL) {
		return NULL;
	}

	struct kai_tag_t *lib;

	/* create kalmia_t */
	struct kalmia_t *k = kai_alloc(sizeof(struct kalmia_t), "kalmia_t");
	if (k == NULL) {
		kai_tag_destroy(document);
		return NULL;
	}

	/* parse geometry */
	lib = kai_tag_get_first_child_with_type(document, "library_geometries");
	if (lib == NULL) {
		/* no geometry to read */
		k->library_geometries = NULL;
	}
	else {
		k->library_geometries = kai_alloc(sizeof(struct ka_library_geometries_t), "library_geometries");
		if (k->library_geometries == NULL) {
			kai_tag_destroy(document);
			free(k);
			return NULL;
		}
		kai_read_library_geometries(k->library_geometries, lib);
	}

	/* clean up */
	kai_tag_destroy(document);

	return k;
}


void kalmia_destroy(struct kalmia_t *k)
{
	if (k->library_geometries != NULL) {
		kai_release_library_geometries(*(k->library_geometries));
		free(k->library_geometries);
	}

	free(k);
}