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<?php
/**
* Dump output filter to include only the last revision in each page sequence.
*
* Copyright © 2003, 2005, 2006 Brooke Vibber <bvibber@wikimedia.org>
* https://www.mediawiki.org/
*
* 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.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* @ingroup Dump
*/
class DumpLatestFilter extends DumpFilter {
/** @var stdClass|null */
public $page;
/** @var string|null */
public $pageString;
/** @var stdClass|null */
public $rev;
/** @var string|null */
public $revString;
/**
* @param stdClass $page
* @param string $string
*/
public function writeOpenPage( $page, $string ) {
$this->page = $page;
$this->pageString = $string;
}
/**
* @param string $string
*/
public function writeClosePage( $string ) {
if ( $this->rev ) {
$this->sink->writeOpenPage( $this->page, $this->pageString );
$this->sink->writeRevision( $this->rev, $this->revString );
$this->sink->writeClosePage( $string );
}
$this->rev = null;
$this->revString = null;
$this->page = null;
$this->pageString = null;
}
/**
* @param stdClass $rev
* @param string $string
*/
public function writeRevision( $rev, $string ) {
if ( $rev->rev_id == $this->page->page_latest ) {
$this->rev = $rev;
$this->revString = $string;
}
}
}
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