57 lines
1.6 KiB
PHP
57 lines
1.6 KiB
PHP
<?php
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/**
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* A PHP diff engine for phpwiki. (Taken from phpwiki-1.3.3)
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*
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* Copyright © 2000, 2001 Geoffrey T. Dairiki <dairiki@dairiki.org>
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* You may copy this code freely under the conditions of the GPL.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup DifferenceEngine
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*/
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/**
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* Extends DiffOp. Used to mark strings that have been
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* copied from one string array to the other.
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*
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* @internal
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* @ingroup DifferenceEngine
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*/
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class DiffOpCopy extends DiffOp {
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/** @inheritDoc */
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public $type = 'copy';
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/**
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* @param string[]|false $orig
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* @param string[]|false $closing
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*/
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public function __construct( $orig, $closing = false ) {
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if ( !is_array( $closing ) ) {
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$closing = $orig;
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}
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$this->orig = $orig;
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$this->closing = $closing;
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}
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/**
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* @return DiffOpCopy
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*/
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public function reverse() {
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return new DiffOpCopy( $this->closing, $this->orig );
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}
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}
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