includes/diff/RangeDifference.php

   1 <?php
   2 /**
   3  * New version of the difference engine
   4  *
   5  * Copyright © 2008 Guy Van den Broeck <guy@guyvdb.eu>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  * http://www.gnu.org/copyleft/gpl.html
  21  *
  22  * @file
  23  * @ingroup DifferenceEngine
  24  */
  25
  26 /**
  27  * Alternative representation of a set of changes, by the index
  28  * ranges that are changed.
  29  *
  30  * @ingroup DifferenceEngine
  31  */
  32 class RangeDifference {
  33
  34         /** @var int */
  35         public $leftstart;
  36
  37         /** @var int */
  38         public $leftend;
  39
  40         /** @var int */
  41         public $leftlength;
  42
  43         /** @var int */
  44         public $rightstart;
  45
  46         /** @var int */
  47         public $rightend;
  48
  49         /** @var int */
  50         public $rightlength;
  51
  52         function __construct( $leftstart, $leftend, $rightstart, $rightend ) {
  53                 $this->leftstart = $leftstart;
  54                 $this->leftend = $leftend;
  55                 $this->leftlength = $leftend - $leftstart;
  56                 $this->rightstart = $rightstart;
  57                 $this->rightend = $rightend;
  58                 $this->rightlength = $rightend - $rightstart;
  59         }
  60
  61 }