tests/parser/DjVuSupport.php

   1 <?php
   2
   3 /**
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  * http://www.gnu.org/copyleft/gpl.html
  18  *
  19  * @file
  20  * @ingroup Testing
  21  */
  22
  23 /**
  24  * Initialize and detect the DjVu files support
  25  */
  26 class DjVuSupport {
  27
  28         /**
  29          * Initialises DjVu tools global with default values
  30          */
  31         public function __construct() {
  32                 global $wgDjvuRenderer, $wgDjvuDump, $wgDjvuToXML, $wgFileExtensions, $wgDjvuTxt;
  33
  34                 $wgDjvuRenderer = $wgDjvuRenderer ? $wgDjvuRenderer : '/usr/bin/ddjvu';
  35                 $wgDjvuDump = $wgDjvuDump ? $wgDjvuDump : '/usr/bin/djvudump';
  36                 $wgDjvuToXML = $wgDjvuToXML ? $wgDjvuToXML : '/usr/bin/djvutoxml';
  37                 $wgDjvuTxt = $wgDjvuTxt ? $wgDjvuTxt : '/usr/bin/djvutxt';
  38
  39                 if ( !in_array( 'djvu', $wgFileExtensions ) ) {
  40                         $wgFileExtensions[] = 'djvu';
  41                 }
  42         }
  43
  44         /**
  45          * Returns true if the DjVu tools are usable
  46          *
  47          * @return bool
  48          */
  49         public function isEnabled() {
  50                 global $wgDjvuRenderer, $wgDjvuDump, $wgDjvuToXML, $wgDjvuTxt;
  51
  52                 return is_executable( $wgDjvuRenderer )
  53                         && is_executable( $wgDjvuDump )
  54                         && is_executable( $wgDjvuToXML )
  55                         && is_executable( $wgDjvuTxt );
  56         }
  57 }