MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / export / DumpLatestFilter.php

diff --git a/includes/export/DumpLatestFilter.php b/includes/export/DumpLatestFilter.php
new file mode 100644 (file)
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+++ b/includes/export/DumpLatestFilter.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * Dump output filter to include only the last revision in each page sequence.
+ *
+ * Copyright © 2003, 2005, 2006 Brion Vibber <brion@pobox.com>
+ * 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 {
+       public $page;
+
+       public $pageString;
+
+       public $rev;
+
+       public $revString;
+
+       /**
+        * @param object $page
+        * @param string $string
+        */
+       function writeOpenPage( $page, $string ) {
+               $this->page = $page;
+               $this->pageString = $string;
+       }
+
+       /**
+        * @param string $string
+        */
+       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 object $rev
+        * @param string $string
+        */
+       function writeRevision( $rev, $string ) {
+               if ( $rev->rev_id == $this->page->page_latest ) {
+                       $this->rev = $rev;
+                       $this->revString = $string;
+               }
+       }
+}