/usr/share/php/Horde/Text/Diff/ThreeWay/BlockBuilder.php is in php-horde-text-diff 2.1.2-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Copyright 2007-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you did
* not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @package Text_Diff
* @author Geoffrey T. Dairiki <dairiki@dairiki.org>
*/
class Horde_Text_Diff_ThreeWay_BlockBuilder
{
public function __construct()
{
$this->_init();
}
public function input($lines)
{
if ($lines) {
$this->_append($this->orig, $lines);
}
}
public function out1($lines)
{
if ($lines) {
$this->_append($this->final1, $lines);
}
}
public function out2($lines)
{
if ($lines) {
$this->_append($this->final2, $lines);
}
}
public function isEmpty()
{
return !$this->orig && !$this->final1 && !$this->final2;
}
public function finish()
{
if ($this->isEmpty()) {
return false;
} else {
$edit = new Horde_Text_Diff_ThreeWay_Op_Base($this->orig, $this->final1, $this->final2);
$this->_init();
return $edit;
}
}
protected function _init()
{
$this->orig = $this->final1 = $this->final2 = array();
}
protected function _append(&$array, $lines)
{
array_splice($array, sizeof($array), 0, $lines);
}
}
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