<?php

/**
 * $Id:$
 *
 * KnowledgeTree Community Edition
 * Document Management Made Simple
 * Copyright (C) 2008, 2009 KnowledgeTree Inc.
 * 
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 3 as published by the
 * Free Software Foundation.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 * You can contact KnowledgeTree Inc., PO Box 7775 #87847, San Francisco,
 * California 94120-7775, or email info@knowledgetree.com.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * KnowledgeTree" logo and retain the original copyright notice. If the display of the
 * logo is not reasonably feasible for technical reasons, the Appropriate Legal Notices
 * must display the words "Powered by KnowledgeTree" and retain the original
 * copyright notice.
 * Contributor( s): ______________________________________
 *
 */

class PSExtractor extends ApplicationExtractor
{
    private $ignorePS;

	public function __construct()
	{
		$config = KTConfig::getSingleton();
		$params = $config->get('extractorParameters/pstotext', '"{source}" > "{target}"');
		$this->ignorePS = $config->get('indexer/ignorePS', false);

		parent::__construct('externalBinary','pstotext','pstotext',_kt('PostScript Text Extractor'), $params);
	}

	public function getSupportedMimeTypes()
	{
		if (OS_WINDOWS || $this->ignorePS)
		{
			return array();
		}
		return array('application/postscript');
	}

	public function diagnose()
	{
	    // no rpm's available for pstotext, removing the diagnose for it so it doesn't prevent the indexing from running
	    return null;
		if (OS_WINDOWS)
		{
			// pstotext is not available under windows, so no need to diagnose it
			return null;
		}
		return parent::diagnose();
	}

}

?>