From 78cb9636d41a55cf2f2a017fd6fdbdc0287ce11d Mon Sep 17 00:00:00 2001
From: Olivier Garbe <ogarbe@voyageprive.com>
Date: Mon, 10 Sep 2012 03:04:11 +0200
Subject: [PATCH] Remove trailing whitespace on empty lines created with
 NewLines filter

---
 Beautifier/Filter/NewLines.filter.php | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Beautifier/Filter/NewLines.filter.php b/Beautifier/Filter/NewLines.filter.php
index 436c82e..214d306 100755
--- a/Beautifier/Filter/NewLines.filter.php
+++ b/Beautifier/Filter/NewLines.filter.php
@@ -110,5 +110,28 @@ public function __call($sMethod, $aArgs)
         }
         return PHP_Beautifier_Filter::BYPASS;
     }
+
+    /**
+     * Called from {@link PHP_Beautifier::process()} at the end of processing
+     * The post-process must be made in {@link PHP_Beautifier::$aOut}
+     *
+     * @access public
+     * @return void
+     */
+    public function postProcess()
+    {
+        foreach ($this->oBeaut->aOut as $i => &$out)
+        {
+            if (is_string($out) && $out != '' && trim($out) == '')
+            {
+                $trimed = trim($out, $this->oBeaut->getIndentChar());
+                if ($trimed != $out && strpos($this->oBeaut->aOut[$i-1],"\n") !== false
+                                    && strpos($this->oBeaut->aOut[$i+1],"\n") !== false )
+                {
+                    $out = $trimed; 
+                }
+            }
+        }
+    }
 }
 ?>