Merge "Add autocomplete for WhatLinksHere subpages"

[lhc/web/wiklou.git] / includes / media / DjVuImage.php

diff --git a/includes/media/DjVuImage.php b/includes/media/DjVuImage.php
index 6ff19c9..016728d 100644 (file)
--- a/includes/media/DjVuImage.php
+++ b/includes/media/DjVuImage.php
@@ -265,37 +265,34 @@ class DjVuImage {
 
        /**
         * Return an XML string describing the DjVu image
-        * @return string
+        * @return string|bool
         */
        function retrieveMetaData() {
                global $wgDjvuToXML, $wgDjvuDump, $wgDjvuTxt;
-               wfProfileIn( __METHOD__ );
+
+               if ( !$this->isValid() ) {
+                       return false;
+               }
 
                if ( isset( $wgDjvuDump ) ) {
                        # djvudump is faster as of version 3.5
                        # http://sourceforge.net/tracker/index.php?func=detail&aid=1704049&group_id=32953&atid=406583
-                       wfProfileIn( 'djvudump' );
                        $cmd = wfEscapeShellArg( $wgDjvuDump ) . ' ' . wfEscapeShellArg( $this->mFilename );
                        $dump = wfShellExec( $cmd );
                        $xml = $this->convertDumpToXML( $dump );
-                       wfProfileOut( 'djvudump' );
                } elseif ( isset( $wgDjvuToXML ) ) {
-                       wfProfileIn( 'djvutoxml' );
                        $cmd = wfEscapeShellArg( $wgDjvuToXML ) . ' --without-anno --without-text ' .
                                wfEscapeShellArg( $this->mFilename );
                        $xml = wfShellExec( $cmd );
-                       wfProfileOut( 'djvutoxml' );
                } else {
                        $xml = null;
                }
                # Text layer
                if ( isset( $wgDjvuTxt ) ) {
-                       wfProfileIn( 'djvutxt' );
                        $cmd = wfEscapeShellArg( $wgDjvuTxt ) . ' --detail=page ' . wfEscapeShellArg( $this->mFilename );
                        wfDebug( __METHOD__ . ": $cmd\n" );
                        $retval = '';
                        $txt = wfShellExec( $cmd, $retval, array(), array( 'memory' => self::DJVUTXT_MEMORY_LIMIT ) );
-                       wfProfileOut( 'djvutxt' );
                        if ( $retval == 0 ) {
                                # Strip some control characters
                                $txt = preg_replace( "/[\013\035\037]/", "", $txt );
@@ -316,7 +313,6 @@ EOR;
                                $xml = $xml . $txt . '</mw-djvu>';
                        }
                }
-               wfProfileOut( __METHOD__ );
 
                return $xml;
        }