X-Git-Url: http://git.cyclocoop.org/?a=blobdiff_plain;f=maintenance%2FfetchText.php;h=3b43bcd503cb781d852f80a53f742779000e5e20;hb=0e18ea727d31f5f513e54f8e3d8bd45259c16378;hp=91b78be3fe052aeb604e137c6ffee2c5e77a245d;hpb=087a9f70c5c152b72dc6c539cf64e334a0f2d029;p=lhc%2Fweb%2Fwiklou.git

diff --git a/maintenance/fetchText.php b/maintenance/fetchText.php
index 91b78be3fe..3b43bcd503 100644
--- a/maintenance/fetchText.php
+++ b/maintenance/fetchText.php
@@ -1,39 +1,85 @@
 <?php
 /**
  * Communications protocol...
+ * This is used by dumpTextPass.php when the --spawn option is present.
+ *
+ * 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 Maintenance
  */
 
-require "commandLine.inc";
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
 
-$db = wfGetDB( DB_SLAVE );
-$stdin = fopen( "php://stdin", "rt" );
-while( !feof( $stdin ) ) {
-	$line = fgets( $stdin );
-	if( $line === false ) {
-		// We appear to have lost contact...
-		break;
+class FetchText extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->mDescription = "Fetch the revision text from an old_id";
 	}
-	$textId = intval( $line );
-	$text = doGetText( $db, $textId );
-	echo strlen( $text ) . "\n";
-	echo $text;
-}
 
-/**
- * May throw a database error if, say, the server dies during query.
- */
-function doGetText( $db, $id ) {
-	$id = intval( $id );
-	$row = $db->selectRow( 'text',
-		array( 'old_text', 'old_flags' ),
-		array( 'old_id' => $id ),
-		'TextPassDumper::getText' );
-	$text = Revision::getRevisionText( $row );
-	if( $text === false ) {
-		return false;
+	/**
+	 * returns a string containing the following in order:
+	 *	 textid
+	 *	 \n
+	 *	 length of text (-1 on error = failure to retrieve/unserialize/gunzip/etc)
+	 *	 \n
+	 *	 text  (may be empty)
+	 *
+	 * note that that the text string itself is *not* followed by newline
+	 */
+	 public function execute() {
+		$db = wfGetDB( DB_SLAVE );
+		$stdin = $this->getStdin();
+		while ( !feof( $stdin ) ) {
+			$line = fgets( $stdin );
+			if ( $line === false ) {
+				// We appear to have lost contact...
+				break;
+			}
+			$textId = intval( $line );
+			$text = $this->doGetText( $db, $textId );
+			if ($text === false) {
+				# actual error, not zero-length text
+				$textLen = "-1";
+			}
+			else {
+				$textLen = strlen($text);
+			}
+			$this->output( $textId . "\n" . $textLen . "\n" . $text );
+		}
+	}
+
+	/**
+	 * May throw a database error if, say, the server dies during query.
+	 * @param $db DatabaseBase object
+	 * @param $id int The old_id
+	 * @return String
+	 */
+	private function doGetText( $db, $id ) {
+		$id = intval( $id );
+		$row = $db->selectRow( 'text',
+			array( 'old_text', 'old_flags' ),
+			array( 'old_id' => $id ),
+			__METHOD__ );
+		$text = Revision::getRevisionText( $row );
+		if ( $text === false ) {
+			return false;
+		}
+		return $text;
 	}
-	return $text;
 }
+
+$maintClass = "FetchText";
+require_once( RUN_MAINTENANCE_IF_MAIN );