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<?php
/**
* 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 Testing
*/
/**
* Initialize and detect the DjVu files support
*/
class DjVuSupport {
/**
* Initialises DjVu tools global with default values
*/
public function __construct() {
global $wgDjvuRenderer, $wgDjvuDump, $wgFileExtensions, $wgDjvuTxt;
$wgDjvuRenderer = $wgDjvuRenderer ?: '/usr/bin/ddjvu';
$wgDjvuDump = $wgDjvuDump ?: '/usr/bin/djvudump';
$wgDjvuTxt = $wgDjvuTxt ?: '/usr/bin/djvutxt';
if ( !in_array( 'djvu', $wgFileExtensions ) ) {
$wgFileExtensions[] = 'djvu';
}
}
/**
* Returns true if the DjVu tools are usable
*
* @return bool
*/
public function isEnabled() {
global $wgDjvuRenderer, $wgDjvuDump, $wgDjvuTxt;
return is_executable( $wgDjvuRenderer )
&& is_executable( $wgDjvuDump )
&& is_executable( $wgDjvuTxt );
}
}
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