Code Coverage for /workspace/src/includes/libs/Diff/UnifiedDiffFormatter.php

1	<?php
2	/**
3	* Portions taken from phpwiki-1.3.3.
4	*
5	* Copyright © 2000, 2001 Geoffrey T. Dairiki <dairiki@dairiki.org>
6	* You may copy this code freely under the conditions of the GPL.
7	*
8	* @license GPL-2.0-or-later
9	* @file
10	* @ingroup DifferenceEngine
11	*/
12
13	namespace Wikimedia\Diff;
14
15	/**
16	* A formatter that outputs unified diffs
17	* @newable
18	* @ingroup DifferenceEngine
19	*/
20	class UnifiedDiffFormatter extends DiffFormatter {
21
22	/** @var int */
23	protected $leadingContextLines = 2;
24
25	/** @var int */
26	protected $trailingContextLines = 2;
27
28	/**
29	* @param string[] $lines
30	* @param string $prefix
31	*/
32	protected function lines( $lines, $prefix = ' ' ) {
33	foreach ( $lines as $line ) {
34	$this->writeOutput( "{$prefix}{$line}\n" );
35	}
36	}
37
38	/**
39	* @param string[] $lines
40	*/
41	protected function added( $lines ) {
42	$this->lines( $lines, '+' );
43	}
44
45	/**
46	* @param string[] $lines
47	*/
48	protected function deleted( $lines ) {
49	$this->lines( $lines, '-' );
50	}
51
52	/**
53	* @param string[] $orig
54	* @param string[] $closing
55	*/
56	protected function changed( $orig, $closing ) {
57	$this->deleted( $orig );
58	$this->added( $closing );
59	}
60
61	/**
62	* @param int $xbeg
63	* @param int $xlen
64	* @param int $ybeg
65	* @param int $ylen
66	*
67	* @return string
68	*/
69	protected function blockHeader( $xbeg, $xlen, $ybeg, $ylen ) {
70	return "@@ -$xbeg,$xlen +$ybeg,$ylen @@";
71	}
72
73	}
74
75	/** @deprecated class alias since 1.41 */
76	class_alias( UnifiedDiffFormatter::class, 'UnifiedDiffFormatter' );