web/wp-includes/Text/Diff/Engine/xdiff.php
changeset 194 32102edaa81b
parent 136 bde1974c263b
equal deleted inserted replaced
193:2f6f6f7551ca 194:32102edaa81b
     3  * Class used internally by Diff to actually compute the diffs.
     3  * Class used internally by Diff to actually compute the diffs.
     4  *
     4  *
     5  * This class uses the xdiff PECL package (http://pecl.php.net/package/xdiff)
     5  * This class uses the xdiff PECL package (http://pecl.php.net/package/xdiff)
     6  * to compute the differences between the two input arrays.
     6  * to compute the differences between the two input arrays.
     7  *
     7  *
     8  * $Horde: framework/Text_Diff/Diff/Engine/xdiff.php,v 1.6 2008/01/04 10:07:50 jan Exp $
     8  * Copyright 2004-2010 The Horde Project (http://www.horde.org/)
     9  *
       
    10  * Copyright 2004-2008 The Horde Project (http://www.horde.org/)
       
    11  *
     9  *
    12  * See the enclosed file COPYING for license information (LGPL). If you did
    10  * See the enclosed file COPYING for license information (LGPL). If you did
    13  * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
    11  * not receive this file, see http://opensource.org/licenses/lgpl-license.php.
    14  *
    12  *
    15  * @author  Jon Parise <jon@horde.org>
    13  * @author  Jon Parise <jon@horde.org>
    40          * lines using this approach, so we can't add Text_Diff_Op_changed
    38          * lines using this approach, so we can't add Text_Diff_Op_changed
    41          * instances to the $edits array.  The result is still perfectly
    39          * instances to the $edits array.  The result is still perfectly
    42          * valid, albeit a little less descriptive and efficient. */
    40          * valid, albeit a little less descriptive and efficient. */
    43         $edits = array();
    41         $edits = array();
    44         foreach ($diff as $line) {
    42         foreach ($diff as $line) {
       
    43             if (!strlen($line)) {
       
    44                 continue;
       
    45             }
    45             switch ($line[0]) {
    46             switch ($line[0]) {
    46             case ' ':
    47             case ' ':
    47                 $edits[] = &new Text_Diff_Op_copy(array(substr($line, 1)));
    48                 $edits[] = &new Text_Diff_Op_copy(array(substr($line, 1)));
    48                 break;
    49                 break;
    49 
    50