No issues found
1 /*
2 * Copyright (C) 2009, Nokia <ivan.frade@nokia.com>
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 */
19
20 #include "config.h"
21
22 #include <string.h>
23
24 #include <glib.h>
25 #include <glib/gstdio.h>
26 #include <gio/gio.h>
27
28 #include <libtracker-data/tracker-data.h>
29
30 static gchar *ontology_dir = NULL;
31 static gchar *ttl_file = NULL;
32
33 static GOptionEntry entries[] = {
34 { "ttl-file", 't', 0, G_OPTION_ARG_FILENAME, &ttl_file,
35 "Turtle file to validate",
36 NULL
37 },
38 { "ontology-dir", 'o', 0, G_OPTION_ARG_FILENAME, &ontology_dir,
39 "Directory containing the ontology description files (TTL FORMAT)",
40 NULL
41 },
42 { NULL }
43 };
44
45 #define CLASS "http://www.w3.org/2000/01/rdf-schema#Class"
46 #define PROPERTY "http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"
47 #define IS "http://www.w3.org/1999/02/22-rdf-syntax-ns#type"
48
49 static gboolean error_flag = FALSE;
50
51 static GList *unknown_items = NULL;
52 static GList *known_items = NULL;
53
54 static gboolean
55 exists_or_already_reported (const gchar *item)
56 {
57 if (!g_list_find_custom (known_items,
58 item,
59 (GCompareFunc) g_strcmp0)){
60 if (!g_list_find_custom (unknown_items,
61 item,
62 (GCompareFunc) g_strcmp0)) {
63 return FALSE;
64 }
65 }
66
67 return TRUE;
68 }
69
70 static void
71 turtle_load_ontology (const gchar *turtle_subject,
72 const gchar *turtle_predicate,
73 const gchar *turtle_object)
74 {
75
76 if (!g_strcmp0 (turtle_predicate, IS)) {
77 known_items = g_list_prepend (known_items, g_strdup (turtle_subject));
78 }
79 }
80
81 static void
82 turtle_statement_handler (const gchar *turtle_subject,
83 const gchar *turtle_predicate,
84 const gchar *turtle_object)
85 {
86 /* Check that predicate exists in the ontology */
87 if (!exists_or_already_reported (turtle_predicate)){
88 g_print ("Unknown property %s\n", turtle_predicate);
89 unknown_items = g_list_prepend (unknown_items, g_strdup (turtle_predicate));
90 error_flag = TRUE;
91 }
92
93 /* And if it is a type... check the object is also there */
94 if (!g_strcmp0 (turtle_predicate, IS)) {
95 if (!exists_or_already_reported (turtle_object)){
96 g_print ("Unknown class %s\n", turtle_object);
97 error_flag = TRUE;
98 unknown_items = g_list_prepend (unknown_items, g_strdup (turtle_object));
99 }
100 }
101 }
102
103 static void
104 load_ontology_files (const gchar *services_dir)
105 {
106 GList *files = NULL;
107 GDir *services;
108 const gchar *conf_file;
109 GFile *f;
110 gchar *dir_uri, *fullpath;
111 gint counter = 0;
112
113 f = g_file_new_for_path (services_dir);
114 dir_uri = g_file_get_path (f);
115
116 services = g_dir_open (dir_uri, 0, NULL);
117
118 conf_file = g_dir_read_name (services);
119
120 while (conf_file) {
121 TrackerTurtleReader *reader;
122 GError *error = NULL;
123
124 if (!g_str_has_suffix (conf_file, "ontology")) {
125 conf_file = g_dir_read_name (services);
126 continue;
127 }
128
129 fullpath = g_build_filename (dir_uri, conf_file, NULL);
130
131 reader = tracker_turtle_reader_new (fullpath, NULL);
132
133 while (error == NULL && tracker_turtle_reader_next (reader, &error)) {
134 turtle_load_ontology (tracker_turtle_reader_get_subject (reader),
135 tracker_turtle_reader_get_predicate (reader),
136 tracker_turtle_reader_get_object (reader));
137 }
138
139 g_object_unref (reader);
140
141 if (error) {
142 g_message ("Turtle parse error: %s", error->message);
143 g_error_free (error);
144 }
145
146 g_free (fullpath);
147 counter += 1;
148 conf_file = g_dir_read_name (services);
149 }
150
151 g_dir_close (services);
152
153 g_list_foreach (files, (GFunc) g_free, NULL);
154 g_object_unref (f);
155 g_free (dir_uri);
156 g_debug ("Loaded %d ontologies\n", counter);
157 }
158
159 gint
160 main (gint argc, gchar **argv)
161 {
162 GOptionContext *context;
163 TrackerTurtleReader *reader;
164 GError *error = NULL;
165
166 /* Translators: this messagge will apper immediately after the */
167 /* usage string - Usage: COMMAND [OPTION]... <THIS_MESSAGE> */
168 context = g_option_context_new ("- Validate a turtle file against the ontology");
169
170 /* Translators: this message will appear after the usage string */
171 /* and before the list of options. */
172 g_option_context_add_main_entries (context, entries, NULL);
173 g_option_context_parse (context, &argc, &argv, NULL);
174
175 if (!ontology_dir || !ttl_file) {
176 gchar *help;
177
178 g_printerr ("%s\n\n",
179 "Ontology directory and turtle file are mandatory");
180
181 help = g_option_context_get_help (context, TRUE, NULL);
182 g_option_context_free (context);
183 g_printerr ("%s", help);
184 g_free (help);
185
186 return -1;
187 }
188
189 //"/home/ivan/devel/codethink/tracker-ssh/data/services"
190 load_ontology_files (ontology_dir);
191
192 reader = tracker_turtle_reader_new (ttl_file, NULL);
193
194 while (error == NULL && tracker_turtle_reader_next (reader, &error)) {
195 turtle_statement_handler (tracker_turtle_reader_get_subject (reader),
196 tracker_turtle_reader_get_predicate (reader),
197 tracker_turtle_reader_get_object (reader));
198 }
199
200 g_object_unref (reader);
201
202 if (error) {
203 g_message ("Turtle parse error: %s", error->message);
204 g_error_free (error);
205 }
206
207 if (!error_flag) {
208 g_debug ("%s seems OK.", ttl_file);
209 }
210
211 return 0;
212 }