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Update Text_Diff. Props simek. Fixes #9467

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git-svn-id: https://develop.svn.wordpress.org/trunk@13211 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Andrew Nacin
2010-02-19 01:25:26 +00:00
parent fa77333608
commit 4c9f9b02eb
7 changed files with 120 additions and 40 deletions
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42
wp-includes/Text/Diff.php
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@@ -6,10 +6,8 @@
* The original PHP version of this code was written by Geoffrey T. Dairiki
* <dairiki@dairiki.org>, and is used/adapted with his permission.
*
* $Horde: framework/Text_Diff/Diff.php,v 1.26 2008/01/04 10:07:49 jan Exp $
*
* Copyright 2004 Geoffrey T. Dairiki <dairiki@dairiki.org>
* Copyright 2004-2008 The Horde Project (http://www.horde.org/)
* Copyright 2004-2010 The Horde Project (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://opensource.org/licenses/lgpl-license.php.
@@ -65,6 +63,44 @@ class Text_Diff {
return $this->_edits;
}
/**
* returns the number of new (added) lines in a given diff.
*
* @since Text_Diff 1.1.0
*
* @return integer The number of new lines
*/
function countAddedLines()
{
$count = 0;
foreach ($this->_edits as $edit) {
if (is_a($edit, 'Text_Diff_Op_add') ||
is_a($edit, 'Text_Diff_Op_change')) {
$count += $edit->nfinal();
}
}
return $count;
}
/**
* Returns the number of deleted (removed) lines in a given diff.
*
* @since Text_Diff 1.1.0
*
* @return integer The number of deleted lines
*/
function countDeletedLines()
{
$count = 0;
foreach ($this->_edits as $edit) {
if (is_a($edit, 'Text_Diff_Op_delete') ||
is_a($edit, 'Text_Diff_Op_change')) {
$count += $edit->norig();
}
}
return $count;
}
/**
* Computes a reversed diff.
*