69 lines
2.4 KiB
PHP
69 lines
2.4 KiB
PHP
<?php
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/**
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* Copyright 2007-2017 Horde LLC (http://www.horde.org/)
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*
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* See the enclosed file COPYING for license information (LGPL). If you did
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* not receive this file, see http://www.horde.org/licenses/lgpl21.
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*
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* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
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* @category Horde
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* @license http://www.horde.org/licenses/lgpl21 LGPL-2.1
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* @package Text_Diff
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*/
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/**
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* This can be used to compute things like case-insensitve diffs, or diffs
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* which ignore changes in white-space.
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*
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* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
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* @category Horde
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* @copyright 2007-2017 Horde LLC
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* @license http://www.horde.org/licenses/lgpl21 LGPL-2.1
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* @package Text_Diff
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*/
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// Disallow direct access to this file for security reasons
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if(!defined("IN_MYBB"))
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{
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die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined.");
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}
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class Horde_Text_Diff_Mapped extends Horde_Text_Diff
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{
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/**
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* Computes a diff between sequences of strings.
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*
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* @param string $engine Name of the diffing engine to use. 'auto' will
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* automatically select the best.
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* @param array $params Parameters to pass to the diffing engine:
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* - Two arrays, each containing the lines from a
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* file.
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* - Two arrays with the same size as the first
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* parameters. The elements are what is actually
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* compared when computing the diff.
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*/
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public function __construct($engine, $params)
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{
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list($from_lines, $to_lines, $mapped_from_lines, $mapped_to_lines) = $params;
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assert(count($from_lines) == count($mapped_from_lines));
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assert(count($to_lines) == count($mapped_to_lines));
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parent::__construct($engine, array($mapped_from_lines, $mapped_to_lines));
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$xi = $yi = 0;
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for ($i = 0; $i < count($this->_edits); $i++) {
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$orig = &$this->_edits[$i]->orig;
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if (is_array($orig)) {
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$orig = array_slice($from_lines, $xi, count($orig));
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$xi += count($orig);
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}
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$final = &$this->_edits[$i]->final;
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if (is_array($final)) {
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$final = array_slice($to_lines, $yi, count($final));
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$yi += count($final);
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}
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}
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}
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}
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