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Diffstat (limited to 'utils/ontology/data-validator.c')
| -rw-r--r-- | utils/ontology/data-validator.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/utils/ontology/data-validator.c b/utils/ontology/data-validator.c new file mode 100644 index 000000000..d80cdb583 --- /dev/null +++ b/utils/ontology/data-validator.c @@ -0,0 +1,212 @@ +/* + * 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; + + /* 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; +} |