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<?php
/**
* Portions taken from phpwiki-1.3.3.
*
* Copyright © 2000, 2001 Geoffrey T. Dairiki <dairiki@dairiki.org>
* You may copy this code freely under the conditions of the GPL.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup DifferenceEngine
*/
/**
* A pseudo-formatter that just passes along the Diff::$edits array
* @ingroup DifferenceEngine
*/
class ArrayDiffFormatter extends DiffFormatter {
/**
* @param Diff $diff A Diff object.
*
* @return array[] List of associative arrays, each describing a difference.
*/
public function format( $diff ) {
$oldline = 1;
$newline = 1;
$retval = array();
foreach ( $diff->getEdits() as $edit ) {
switch ( $edit->getType() ) {
case 'add':
foreach ( $edit->getClosing() as $line ) {
$retval[] = array(
'action' => 'add',
'new' => $line,
'newline' => $newline++
);
}
break;
case 'delete':
foreach ( $edit->getOrig() as $line ) {
$retval[] = array(
'action' => 'delete',
'old' => $line,
'oldline' => $oldline++,
);
}
break;
case 'change':
foreach ( $edit->getOrig() as $key => $line ) {
$retval[] = array(
'action' => 'change',
'old' => $line,
'new' => $edit->getClosing( $key ),
'oldline' => $oldline++,
'newline' => $newline++,
);
}
break;
case 'copy':
$oldline += count( $edit->getOrig() );
$newline += count( $edit->getOrig() );
}
}
return $retval;
}
}
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