Page MenuHomeWickedGov Phorge
Files F5952385

DiffGroup.php
No OneTemporary
Actions

Size
3 KB
Referenced Files
None
Subscribers
None

DiffGroup.php
View Options

<?php
namespace MediaWiki\Extension\Notifications;
/**
* MediaWiki Extension: Echo
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* This program is distributed WITHOUT ANY WARRANTY.
*/
/**
* @file
* @ingroup Extensions
* @author Erik Bernhardson
*/
/**
* Represents a single set of changes all effecting neighboring lines
*/
class DiffGroup {
/**
* @var int[] The left and right position this change starts at
*/
protected $position;
/**
* @var string[] The lines that have been added
*/
protected $new = [];
/**
* @var string[] The lines that have been removed
*/
protected $old = [];
/**
* @param int $leftPos The starting line number in the left text
* @param int $rightPos The starting line number in the right text
*/
public function __construct( $leftPos, $rightPos ) {
// +1 due to the original code use 1 indexing for this result
$this->position = [
'right-pos' => $rightPos + 1,
'left-pos' => $leftPos + 1,
];
}
/**
* @param string $line Line in the right text but not in the left
*/
public function add( $line ) {
$this->new[] = $line;
}
/**
* @param string $line Line in the left text but not in the right
*/
public function subtract( $line ) {
$this->old[] = $line;
}
/**
* @return array[] set of changes
* Each change consists of:
* An 'action', one of:
* - add
* - subtract
* - change
* 'content' that was added or removed, or in the case
* of a change, 'old_content' and 'new_content'
* 'left_pos' and 'right_pos' (in 1-indexed lines) of the change.
*/
public function getChangeSet() {
$old = implode( "\n", $this->old );
$new = implode( "\n", $this->new );
$position = $this->position;
$changeSet = [];
// The implodes must come first because we consider [ '' ] to also be false
// meaning a blank link replaced with content is an addition
if ( $old && $new ) {
$min = min( count( $this->old ), count( $this->new ) );
$changeSet[] = $position + [
'action' => 'change',
'old_content' => implode( "\n", array_slice( $this->old, 0, $min ) ),
'new_content' => implode( "\n", array_slice( $this->new, 0, $min ) ),
];
$position['left-pos'] += $min;
$position['right-pos'] += $min;
$old = implode( "\n", array_slice( $this->old, $min ) );
$new = implode( "\n", array_slice( $this->new, $min ) );
}
if ( $new ) {
$changeSet[] = $position + [
'action' => 'add',
'content' => $new,
];
} elseif ( $old ) {
$changeSet[] = $position + [
'action' => 'subtract',
'content' => $old,
];
}
return $changeSet;
}
}

File Metadata

Mime Type
text/x-php
Expires
Oct 3 2026, 01:26 (4 w, 4 d ago)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
6d/16/f1bc9bb548ab921321d4cdb29c21
Default Alt Text
DiffGroup.php (3 KB)

Event Timeline