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/*
* Copyright (C) 2009, Nokia <ivan.frade@nokia.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include "config.h"
#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include <libtracker-data/tracker-data.h>
static gchar *ontology_dir = NULL;
static gchar *ttl_file = NULL;
static GOptionEntry entries[] = {
{ "ttl-file", 't', 0, G_OPTION_ARG_FILENAME, &ttl_file,
"Turtle file to validate",
NULL
},
{ "ontology-dir", 'o', 0, G_OPTION_ARG_FILENAME, &ontology_dir,
"Directory containing the ontology description files (TTL FORMAT)",
NULL
},
{ NULL }
};
#define CLASS "http://www.w3.org/2000/01/rdf-schema#Class"
#define PROPERTY "http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"
#define IS "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
static gboolean error_flag = FALSE;
static GList *unknown_items = NULL;
static GList *known_items = NULL;
static gboolean
exists_or_already_reported (const gchar *item)
{
if (!g_list_find_custom (known_items,
item,
(GCompareFunc) g_strcmp0)){
if (!g_list_find_custom (unknown_items,
item,
(GCompareFunc) g_strcmp0)) {
return FALSE;
}
}
return TRUE;
}
static void
turtle_load_ontology (const gchar *turtle_subject,
const gchar *turtle_predicate,
const gchar *turtle_object)
{
if (!g_strcmp0 (turtle_predicate, IS)) {
known_items = g_list_prepend (known_items, g_strdup (turtle_subject));
}
}
static void
turtle_statement_handler (const gchar *turtle_subject,
const gchar *turtle_predicate,
const gchar *turtle_object)
{
/* Check that predicate exists in the ontology */
if (!exists_or_already_reported (turtle_predicate)){
g_print ("Unknown property %s\n", turtle_predicate);
unknown_items = g_list_prepend (unknown_items, g_strdup (turtle_predicate));
error_flag = TRUE;
}
/* And if it is a type... check the object is also there */
if (!g_strcmp0 (turtle_predicate, IS)) {
if (!exists_or_already_reported (turtle_object)){
g_print ("Unknown class %s\n", turtle_object);
error_flag = TRUE;
unknown_items = g_list_prepend (unknown_items, g_strdup (turtle_object));
}
}
}
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);
}
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;
}
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