--- a/web/wp-includes/wp-diff.php Thu Sep 16 15:45:36 2010 +0000
+++ b/web/wp-includes/wp-diff.php Mon Nov 19 18:26:13 2012 +0100
@@ -60,17 +60,16 @@
var $inline_diff_renderer = 'WP_Text_Diff_Renderer_inline';
/**
- * PHP4 Constructor - Call parent constructor with params array.
+ * Constructor - Call parent constructor with params array.
*
* This will set class properties based on the key value pairs in the array.
*
- * @since unknown
+ * @since 2.6.0
*
* @param array $params
*/
- function Text_Diff_Renderer_Table( $params = array() ) {
- $parent = get_parent_class($this);
- $this->$parent( $params );
+ function __construct( $params = array() ) {
+ parent::__construct( $params );
}
/**
@@ -203,15 +202,14 @@
$r = '';
// Does the aforementioned additional processing
- // *_matches tell what rows are "the same" in orig and final. Those pairs will be diffed to get word changes
+ // *_matches tell what rows are "the same" in orig and final. Those pairs will be diffed to get word changes
// match is numeric: an index in other column
- // match is 'X': no match. It is a new row
+ // match is 'X': no match. It is a new row
// *_rows are column vectors for the orig column and the final column.
// row >= 0: an indix of the $orig or $final array
// row < 0: a blank row for that column
list($orig_matches, $final_matches, $orig_rows, $final_rows) = $this->interleave_changed_lines( $orig, $final );
-
// These will hold the word changes as determined by an inline diff
$orig_diffs = array();
$final_diffs = array();
@@ -232,7 +230,7 @@
$stripped_diff = strlen(strip_tags( $diff )) * 2 - $stripped_matches;
$diff_ratio = $stripped_matches / $stripped_diff;
if ( $diff_ratio > $this->_diff_threshold )
- continue; // Too different. Don't save diffs.
+ continue; // Too different. Don't save diffs.
}
// Un-inline the diffs by removing del or ins
@@ -242,21 +240,28 @@
}
foreach ( array_keys($orig_rows) as $row ) {
- // Both columns have blanks. Ignore them.
+ // Both columns have blanks. Ignore them.
if ( $orig_rows[$row] < 0 && $final_rows[$row] < 0 )
continue;
- // If we have a word based diff, use it. Otherwise, use the normal line.
- $orig_line = isset($orig_diffs[$orig_rows[$row]])
- ? $orig_diffs[$orig_rows[$row]]
- : htmlspecialchars($orig[$orig_rows[$row]]);
- $final_line = isset($final_diffs[$final_rows[$row]])
- ? $final_diffs[$final_rows[$row]]
- : htmlspecialchars($final[$final_rows[$row]]);
+ // If we have a word based diff, use it. Otherwise, use the normal line.
+ if ( isset( $orig_diffs[$orig_rows[$row]] ) )
+ $orig_line = $orig_diffs[$orig_rows[$row]];
+ elseif ( isset( $orig[$orig_rows[$row]] ) )
+ $orig_line = htmlspecialchars($orig[$orig_rows[$row]]);
+ else
+ $orig_line = '';
- if ( $orig_rows[$row] < 0 ) { // Orig is blank. This is really an added row.
+ if ( isset( $final_diffs[$final_rows[$row]] ) )
+ $final_line = $final_diffs[$final_rows[$row]];
+ elseif ( isset( $final[$final_rows[$row]] ) )
+ $final_line = htmlspecialchars($final[$final_rows[$row]]);
+ else
+ $final_line = '';
+
+ if ( $orig_rows[$row] < 0 ) { // Orig is blank. This is really an added row.
$r .= $this->_added( array($final_line), false );
- } elseif ( $final_rows[$row] < 0 ) { // Final is blank. This is really a deleted row.
+ } elseif ( $final_rows[$row] < 0 ) { // Final is blank. This is really a deleted row.
$r .= $this->_deleted( array($orig_line), false );
} else { // A true changed row.
$r .= '<tr>' . $this->deletedLine( $orig_line ) . $this->addedLine( $final_line ) . "</tr>\n";
@@ -282,7 +287,7 @@
*/
function interleave_changed_lines( $orig, $final ) {
- // Contains all pairwise string comparisons. Keys are such that this need only be a one dimensional array.
+ // Contains all pairwise string comparisons. Keys are such that this need only be a one dimensional array.
$matches = array();
foreach ( array_keys($orig) as $o ) {
foreach ( array_keys($final) as $f ) {
@@ -303,7 +308,7 @@
if ( isset($orig_matches[$o]) && isset($final_matches[$f]) )
continue;
- // First match for these guys. Must be best match
+ // First match for these guys. Must be best match
if ( !isset($orig_matches[$o]) && !isset($final_matches[$f]) ) {
$orig_matches[$o] = $f;
$final_matches[$f] = $o;
@@ -323,7 +328,6 @@
ksort($orig_matches);
ksort($final_matches);
-
// Stores rows and blanks for each column.
$orig_rows = $orig_rows_copy = array_keys($orig_matches);
$final_rows = array_keys($final_matches);
@@ -336,18 +340,17 @@
if ( false === $final_pos ) { // This orig is paired with a blank final.
array_splice( $final_rows, $orig_pos, 0, -1 );
- } elseif ( $final_pos < $orig_pos ) { // This orig's match is up a ways. Pad final with blank rows.
+ } elseif ( $final_pos < $orig_pos ) { // This orig's match is up a ways. Pad final with blank rows.
$diff_pos = $final_pos - $orig_pos;
while ( $diff_pos < 0 )
array_splice( $final_rows, $orig_pos, 0, $diff_pos++ );
- } elseif ( $final_pos > $orig_pos ) { // This orig's match is down a ways. Pad orig with blank rows.
+ } elseif ( $final_pos > $orig_pos ) { // This orig's match is down a ways. Pad orig with blank rows.
$diff_pos = $orig_pos - $final_pos;
while ( $diff_pos < 0 )
array_splice( $orig_rows, $orig_pos, 0, $diff_pos++ );
}
}
-
// Pad the ends with blank rows if the columns aren't the same length
$diff_count = count($orig_rows) - count($final_rows);
if ( $diff_count < 0 ) {
@@ -421,7 +424,7 @@
// L1-norm of difference vector.
$difference = array_sum( array_map( array(&$this, 'difference'), $chars1, $chars2 ) );
- // $string1 has zero length? Odd. Give huge penalty by not dividing.
+ // $string1 has zero length? Odd. Give huge penalty by not dividing.
if ( !$string1 )
return $difference;
@@ -467,5 +470,3 @@
}
}
-
-?>