LILV_API const char*
lilv_node_as_blank(const LilvNode* value)
{
return (lilv_node_is_blank(value)
? (const char*)sord_node_get_string(value->node)
: NULL);
}
LILV_API
LilvState*
lilv_state_new_from_world(LilvWorld* world,
const LV2_URID_Map* map,
const LilvNode* node)
{
if (!lilv_node_is_uri(node) && !lilv_node_is_blank(node)) {
LILV_ERRORF("Subject `%s' is not a URI or blank node.\n",
lilv_node_as_string(node));
return NULL;
}
LilvState* state = new_state_from_model(
world, map, world->model, node->node, NULL);
return state;
}
LILV_API
LilvState*
lilv_state_new_from_file(LilvWorld* world,
const LV2_URID_Map* map,
const LilvNode* subject,
const char* path)
{
if (subject && !lilv_node_is_uri(subject)
&& !lilv_node_is_blank(subject)) {
LILV_ERRORF("Subject `%s' is not a URI or blank node.\n",
lilv_node_as_string(subject));
return NULL;
}
uint8_t* abs_path = (uint8_t*)lilv_path_absolute(path);
SerdNode node = serd_node_new_file_uri(abs_path, NULL, NULL, 0);
SerdEnv* env = serd_env_new(&node);
SordModel* model = sord_new(world->world, SORD_SPO, false);
SerdReader* reader = sord_new_reader(model, env, SERD_TURTLE, NULL);
serd_reader_read_file(reader, node.buf);
SordNode* subject_node = (subject)
? subject->node
: sord_node_from_serd_node(world->world, env, &node, NULL, NULL);
char* dirname = lilv_dirname(path);
char* real_path = lilv_realpath(dirname);
LilvState* state = new_state_from_model(
world, map, model, subject_node, real_path);
free(dirname);
free(real_path);
serd_node_free(&node);
free(abs_path);
serd_reader_free(reader);
sord_free(model);
serd_env_free(env);
return state;
}
