1: <?php
 2: /**
 3:  * The original PHP version of this code was written by Geoffrey T. Dairiki
 4:  * <dairiki@dairiki.org>, and is used/adapted with his permission.
 5:  *
 6:  * Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
 7:  * Copyright 2004-2012 Horde LLC (http://www.horde.org/)
 8:  *
 9:  * See the enclosed file COPYING for license information (LGPL). If you did
10:  * not receive this file, see http://www.horde.org/licenses/lgpl21.
11:  *
12:  * @package Text_Diff
13:  * @author  Geoffrey T. Dairiki <dairiki@dairiki.org>
14:  */
15: abstract class Horde_Text_Diff_Op_Base
16: {
17:     public $orig;
18:     public $final;
19: 
20:     abstract public function reverse();
21: 
22:     public function norig()
23:     {
24:         return $this->orig ? count($this->orig) : 0;
25:     }
26: 
27:     public function nfinal()
28:     {
29:         return $this->final ? count($this->final) : 0;
30:     }
31: }
32: