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#include <kalmia.h>
#include "geometry/geometry.h"
#include "image/image.h"
#include "material/material.h"
#include "util/util.h"
#include "xml/xml.h"
#define CHECK_ERROR(condition) \
do { \
if (condition) { \
kai_tag_destroy(document); \
kalmia_destroy(k); \
return NULL; \
} \
} while (0)
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;
int result;
/* create kalmia_t */
struct kalmia_t *k = kai_alloc(sizeof(struct kalmia_t), "kalmia_t");
if (k == NULL) {
kai_tag_destroy(document);
return NULL;
}
k->library_geometries = NULL;
k->library_materials = NULL;
k->library_images = 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");
CHECK_ERROR(k->library_geometries == NULL);
result = kai_read_library_geometries(k->library_geometries, lib);
CHECK_ERROR(result != 0);
}
/* parse materials */
lib = kai_tag_get_first_child_with_type(document, "library_materials");
if (lib == NULL) {
/* no materials to read */
k->library_materials = NULL;
}
else {
k->library_materials = kai_alloc(sizeof(struct ka_library_materials_t), "library_materials");
CHECK_ERROR(k->library_materials == NULL);
result = kai_read_library_materials(k->library_materials, lib);
CHECK_ERROR(result != 0);
}
/* parse images */
lib = kai_tag_get_first_child_with_type(document, "library_images");
if (lib == NULL) {
/* no images to read */
k->library_images = NULL;
}
else {
k->library_images = kai_alloc(sizeof(struct ka_library_images_t), "library_images");
CHECK_ERROR(k->library_images == NULL);
result = kai_read_library_images(k->library_images, lib);
CHECK_ERROR(result != 0);
}
/* 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);
}
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