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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * A PHP diff engine for phpwiki. (Taken from phpwiki-1.3.3) |
| 5 | * |
| 6 | * Copyright © 2000, 2001 Geoffrey T. Dairiki <dairiki@dairiki.org> |
| 7 | * You may copy this code freely under the conditions of the GPL. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 22 | * http://www.gnu.org/copyleft/gpl.html |
| 23 | * |
| 24 | * @file |
| 25 | * @ingroup DifferenceEngine |
| 26 | */ |
| 27 | |
| 28 | namespace Wikimedia\Diff; |
| 29 | |
| 30 | /** |
| 31 | * Extends DiffOp. Used to mark strings that have been |
| 32 | * copied from one string array to the other. |
| 33 | * |
| 34 | * @ingroup DifferenceEngine |
| 35 | */ |
| 36 | class DiffOpCopy extends DiffOp { |
| 37 | /** @inheritDoc */ |
| 38 | public $type = 'copy'; |
| 39 | |
| 40 | /** |
| 41 | * @param string[] $orig |
| 42 | * @param string[]|false $closing Should either be identical to $orig, or not given |
| 43 | */ |
| 44 | public function __construct( $orig, $closing = false ) { |
| 45 | if ( !is_array( $closing ) ) { |
| 46 | $closing = $orig; |
| 47 | } |
| 48 | $this->orig = $orig; |
| 49 | $this->closing = $closing; |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * @return DiffOpCopy |
| 54 | */ |
| 55 | public function reverse() { |
| 56 | return new DiffOpCopy( $this->closing, $this->orig ); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | /** @deprecated class alias since 1.41 */ |
| 61 | class_alias( DiffOpCopy::class, 'DiffOpCopy' ); |