From 07a8e691a67d5a3867cc267b6c281784748c1055 Mon Sep 17 00:00:00 2001
From: Andreas Gohr <gohr@cosmocode.de>
Date: Thu, 19 Nov 2009 09:54:41 +0100
Subject: better whitespace preserve fix in diffs

Ignore-this: ce1092e86cbb4911e285377233b89aa0

darcs-hash:20091119085441-6e07b-79f74d6349df87625aaaba919664879fcc440244.gz
---
 inc/DifferenceEngine.php | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'inc/DifferenceEngine.php')

diff --git a/inc/DifferenceEngine.php b/inc/DifferenceEngine.php
index 165ddddbc..e28826c1f 100644
--- a/inc/DifferenceEngine.php
+++ b/inc/DifferenceEngine.php
@@ -978,7 +978,8 @@ class TableDiffFormatter extends DiffFormatter
 
   function _pre($text){
     $text = htmlspecialchars($text);
-    $text = str_replace(' ','&nbsp;',$text);
+    $text = str_replace('  ',' &nbsp;',$text);
+    if($text{0} == ' ') $text = '&nbsp;'.substr($text,1);
     return $text;
   }
 
@@ -1002,13 +1003,15 @@ class TableDiffFormatter extends DiffFormatter
   }
 
   function addedLine( $line ) {
-    $line = str_replace(' ','&nbsp;',$line);
+    $line = str_replace('  ',' &nbsp;',$line);
+    if($line{0} == ' ') $line = '&nbsp;'.substr($line,1);
     return '<td>+</td><td class="diff-addedline">' .
       $line.'</td>';
   }
 
   function deletedLine( $line ) {
-    $line = str_replace(' ','&nbsp;',$line);
+    $line = str_replace('  ',' &nbsp;',$line);
+    if($line{0} == ' ') $line = '&nbsp;'.substr($line,1);
     return '<td>-</td><td class="diff-deletedline">' .
       $line.'</td>';
   }
@@ -1019,7 +1022,8 @@ class TableDiffFormatter extends DiffFormatter
   }
 
   function contextLine( $line ) {
-    $line = str_replace(' ','&nbsp;',$line);
+    $line = str_replace('  ',' &nbsp;',$line);
+    if($line{0} == ' ') $line = '&nbsp;'.substr($line,1);
     return '<td> </td><td class="diff-context">'.$line.'</td>';
   }
 
-- 
cgit v1.2.3