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/*
* Copyright (C) 2010, Nokia
*
* This library 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 library 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 library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
using Tracker.Sparql;
using GLib;
static Connection conn;
static void usage (string[] args) {
stderr.printf("Usage: %s urn\n", args[0]);
}
static GLib.GenericSet<string> looked_up_iris;
static bool dump_resource (string urn) {
GLib.List<string> iris_to_lookup = new GLib.List<string> ();
looked_up_iris.add (urn);
try {
Cursor cursor = conn.query ("SELECT ?p rdfs:range(?p) ?o {<%s> ?p ?o}".printf (urn));
GLib.List<string> type_statements = new GLib.List<string>();
GLib.List<string> statements = new GLib.List<string>();
while (cursor.next ()) {
// Skip tracker internal stuff
if (cursor.get_string (0).has_prefix ("http://www.tracker-project.org/ontologies/tracker#")) {
continue;
}
string statement = "<%s> <%s> ".printf (urn, cursor.get_string (0));
switch (cursor.get_string(1)) {
case "http://www.w3.org/2001/XMLSchema#string":
case "http://www.w3.org/2001/XMLSchema#dateTime":
statement += "\"%s\"".printf (escape_string (cursor.get_string (2)));
break;
case "http://www.w3.org/2001/XMLSchema#integer":
case "http://www.w3.org/2001/XMLSchema#double":
case "http://www.w3.org/2001/XMLSchema#boolean":
statement += "%s".printf (cursor.get_string (2));
break;
default:
// Assume resource
unowned string obj = cursor.get_string (2);
if (!looked_up_iris.contains (obj)) {
iris_to_lookup.append (obj);
}
statement += "<%s>".printf (obj);
break;
}
if (cursor.get_string (0) == "http://www.w3.org/1999/02/22-rdf-syntax-ns#type") {
type_statements.append (statement);
} else {
statements.append (statement);
}
}
foreach (string s in type_statements) {
stdout.printf ("%s .\n", s);
}
foreach (string s in statements) {
stdout.printf ("%s .\n", s);
}
foreach (string s in iris_to_lookup) {
if (!dump_resource (s)) {
return false;
}
}
} catch (GLib.Error e) {
critical ("Couldn't query info for resource %s: %s", urn, e.message);
return false;
}
return true;
}
static int main(string[] args)
{
if (args.length != 2) {
usage (args);
return 1;
}
try {
conn = Connection.bus_new("org.freedesktop.Tracker3.Miner.Files", null);
} catch (GLib.Error e) {
critical("Couldn't connect to Tracker: %s", e.message);
return 1;
}
looked_up_iris = new GLib.GenericSet<string>(GLib.str_hash, GLib.str_equal);
if (dump_resource (args[1])) {
return 0;
}
return 1;
}
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