OntologyDescription *
ttl_loader_load_description (const gchar *filename)
{
OntologyDescription *desc;
TrackerTurtleReader *reader;
GError *error = NULL;
desc = ttl_model_description_new ();
reader = tracker_turtle_reader_new (filename, NULL);
while (error == NULL && tracker_turtle_reader_next (reader, &error)) {
load_description (desc,
tracker_turtle_reader_get_subject (reader),
tracker_turtle_reader_get_predicate (reader),
tracker_turtle_reader_get_object (reader));
}
g_object_unref (reader);
if (error) {
g_message ("Turtle parse error: %s", error->message);
g_error_free (error);
}
return desc;
}
gint
main (gint argc, gchar **argv)
{
GOptionContext *context;
TrackerTurtleReader *reader;
GError *error = NULL;
g_type_init ();
/* Translators: this messagge will apper immediately after the */
/* usage string - Usage: COMMAND [OPTION]... <THIS_MESSAGE> */
context = g_option_context_new ("- Validate a turtle file against the ontology");
/* Translators: this message will appear after the usage string */
/* and before the list of options. */
g_option_context_add_main_entries (context, entries, NULL);
g_option_context_parse (context, &argc, &argv, NULL);
if (!ontology_dir || !ttl_file) {
gchar *help;
g_printerr ("%s\n\n",
"Ontology directory and turtle file are mandatory");
help = g_option_context_get_help (context, TRUE, NULL);
g_option_context_free (context);
g_printerr ("%s", help);
g_free (help);
return -1;
}
//"/home/ivan/devel/codethink/tracker-ssh/data/services"
load_ontology_files (ontology_dir);
reader = tracker_turtle_reader_new (ttl_file, NULL);
while (error == NULL && tracker_turtle_reader_next (reader, &error)) {
turtle_statement_handler (tracker_turtle_reader_get_subject (reader),
tracker_turtle_reader_get_predicate (reader),
tracker_turtle_reader_get_object (reader));
}
g_object_unref (reader);
if (error) {
g_message ("Turtle parse error: %s", error->message);
g_error_free (error);
}
if (!error_flag) {
g_debug ("%s seems OK.", ttl_file);
}
return 0;
}
static void
load_ontology_files (const gchar *services_dir)
{
GList *files = NULL;
GDir *services;
const gchar *conf_file;
GFile *f;
gchar *dir_uri, *fullpath;
gint counter = 0;
f = g_file_new_for_path (services_dir);
dir_uri = g_file_get_path (f);
services = g_dir_open (dir_uri, 0, NULL);
conf_file = g_dir_read_name (services);
while (conf_file) {
TrackerTurtleReader *reader;
GError *error = NULL;
if (!g_str_has_suffix (conf_file, "ontology")) {
conf_file = g_dir_read_name (services);
continue;
}
fullpath = g_build_filename (dir_uri, conf_file, NULL);
reader = tracker_turtle_reader_new (fullpath, NULL);
while (error == NULL && tracker_turtle_reader_next (reader, &error)) {
turtle_load_ontology (tracker_turtle_reader_get_subject (reader),
tracker_turtle_reader_get_predicate (reader),
tracker_turtle_reader_get_object (reader));
}
g_object_unref (reader);
if (error) {
g_message ("Turtle parse error: %s", error->message);
g_error_free (error);
}
g_free (fullpath);
counter += 1;
conf_file = g_dir_read_name (services);
}
g_dir_close (services);
g_list_foreach (files, (GFunc) g_free, NULL);
g_object_unref (f);
g_free (dir_uri);
g_debug ("Loaded %d ontologies\n", counter);
}
Ontology *
ttl_loader_load_ontology (const gchar *ttl_file)
{
Ontology *ontology;
ontology = g_new0 (Ontology, 1);
ontology->classes = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
(GDestroyNotify)ttl_model_class_free);
ontology->properties = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
(GDestroyNotify)ttl_model_property_free);
if (ttl_file) {
TrackerTurtleReader *reader;
GError *error = NULL;
reader = tracker_turtle_reader_new (ttl_file, NULL);
while (error == NULL && tracker_turtle_reader_next (reader, &error)) {
load_in_memory (ontology,
tracker_turtle_reader_get_subject (reader),
tracker_turtle_reader_get_predicate (reader),
tracker_turtle_reader_get_object (reader));
}
g_object_unref (reader);
if (error) {
g_message ("Turtle parse error: %s", error->message);
g_error_free (error);
}
} else {
g_warning ("Unable to open '%s'", ttl_file);
}
return ontology;
}
