Merge "Document the block duration tooltip"
[lhc/web/wiklou.git] / includes / diff / DiffFormatter.php
index 78ac77f..d9e1c95 100644 (file)
  * @ingroup DifferenceEngine
  */
 abstract class DiffFormatter {
-       /**
-        * Number of leading context "lines" to preserve.
+       /** @var int Number of leading context "lines" to preserve.
         *
         * This should be left at zero for this class, but subclasses
         * may want to set this to other values.
         */
        protected $leadingContextLines = 0;
 
-       /**
-        * Number of trailing context "lines" to preserve.
+       /** @var int Number of trailing context "lines" to preserve.
         *
         * This should be left at zero for this class, but subclasses
         * may want to set this to other values.
@@ -68,6 +66,8 @@ abstract class DiffFormatter {
 
                $this->startDiff();
 
+               // Initialize $x0 and $y0 to prevent IDEs from getting confused.
+               $x0 = $y0 = 0;
                foreach ( $diff->edits as $edit ) {
                        if ( $edit->type == 'copy' ) {
                                if ( is_array( $block ) ) {
@@ -76,7 +76,7 @@ abstract class DiffFormatter {
                                        } else {
                                                if ( $ntrail ) {
                                                        $context = array_slice( $edit->orig, 0, $ntrail );
-                                                       $block[] = new DiffOp_Copy( $context );
+                                                       $block[] = new DiffOpCopy( $context );
                                                }
                                                $this->block( $x0, $ntrail + $xi - $x0,
                                                        $y0, $ntrail + $yi - $y0,
@@ -92,7 +92,7 @@ abstract class DiffFormatter {
                                        $y0 = $yi - count( $context );
                                        $block = array();
                                        if ( $context ) {
-                                               $block[] = new DiffOp_Copy( $context );
+                                               $block[] = new DiffOpCopy( $context );
                                        }
                                }
                                $block[] = $edit;
@@ -114,15 +114,17 @@ abstract class DiffFormatter {
 
                $end = $this->endDiff();
                wfProfileOut( __METHOD__ );
+
                return $end;
        }
 
        /**
-        * @param $xbeg
-        * @param $xlen
-        * @param $ybeg
-        * @param $ylen
+        * @param int $xbeg
+        * @param int $xlen
+        * @param int $ybeg
+        * @param int $ylen
         * @param $edits
+        * @throws MWException
         */
        protected function block( $xbeg, $xlen, $ybeg, $ylen, &$edits ) {
                wfProfileIn( __METHOD__ );
@@ -154,6 +156,7 @@ abstract class DiffFormatter {
        protected function endDiff() {
                $val = ob_get_contents();
                ob_end_clean();
+
                return $val;
        }