3 * Dump output filter to include only the last revision in each page sequence.
5 * Copyright © 2003, 2005, 2006 Brooke Vibber <bvibber@wikimedia.org>
6 * https://www.mediawiki.org/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 * http://www.gnu.org/copyleft/gpl.html
29 class DumpLatestFilter
extends DumpFilter
{
30 /** @var stdClass|null */
33 /** @var string|null */
36 /** @var stdClass|null */
39 /** @var string|null */
43 * @param stdClass $page
44 * @param string $string
46 public function writeOpenPage( $page, $string ) {
48 $this->pageString
= $string;
52 * @param string $string
54 public function writeClosePage( $string ) {
56 $this->sink
->writeOpenPage( $this->page
, $this->pageString
);
57 $this->sink
->writeRevision( $this->rev
, $this->revString
);
58 $this->sink
->writeClosePage( $string );
61 $this->revString
= null;
63 $this->pageString
= null;
67 * @param stdClass $rev
68 * @param string $string
70 public function writeRevision( $rev, $string ) {
71 if ( $rev->rev_id
== $this->page
->page_latest
) {
73 $this->revString
= $string;