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   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 2004-2011 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  
  16  // Disallow direct access to this file for security reasons
  17  if(!defined("IN_MYBB"))
  18  {
  19      die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined.");
  20  }
  21  
  22  abstract class Horde_Text_Diff_Op_Base
  23  {
  24      public $orig;
  25      public $final;
  26  
  27      abstract public function reverse();
  28  
  29      public function norig()
  30      {
  31          return $this->orig ? count($this->orig) : 0;
  32      }
  33  
  34      public function nfinal()
  35      {
  36          return $this->final ? count($this->final) : 0;
  37      }
  38  }