From fa10e0945ecd45bfe78a2c8fb015a43092b4944b Mon Sep 17 00:00:00 2001
From: plegall <plg@piwigo.org>
Date: Thu, 10 Dec 2015 14:02:22 +0100
Subject: bug #385 update to smarty-3.1.28-dev (from Github)

---
 .../libs/plugins/outputfilter.trimwhitespace.php   | 38 ++++++++++------------
 1 file changed, 17 insertions(+), 21 deletions(-)

(limited to 'include/smarty/libs/plugins/outputfilter.trimwhitespace.php')

diff --git a/include/smarty/libs/plugins/outputfilter.trimwhitespace.php b/include/smarty/libs/plugins/outputfilter.trimwhitespace.php
index 87cf8c781..ad35d11a2 100644
--- a/include/smarty/libs/plugins/outputfilter.trimwhitespace.php
+++ b/include/smarty/libs/plugins/outputfilter.trimwhitespace.php
@@ -2,22 +2,22 @@
 /**
  * Smarty plugin
  *
- * @package Smarty
+ * @package    Smarty
  * @subpackage PluginsFilter
  */
 
 /**
  * Smarty trimwhitespace outputfilter plugin
- *
  * Trim unnecessary whitespace from HTML markup.
  *
  * @author   Rodney Rehm
- * @param string                   $source input string
- * @param Smarty_Internal_Template $smarty Smarty object
+ *
+ * @param string $source input string
+ *
  * @return string filtered output
- * @todo substr_replace() is not overloaded by mbstring.func_overload - so this function might fail!
+ * @todo     substr_replace() is not overloaded by mbstring.func_overload - so this function might fail!
  */
-function smarty_outputfilter_trimwhitespace($source, Smarty_Internal_Template $smarty)
+function smarty_outputfilter_trimwhitespace($source)
 {
     $store = array();
     $_store = 0;
@@ -35,17 +35,17 @@ function smarty_outputfilter_trimwhitespace($source, Smarty_Internal_Template $s
             $source = substr_replace($source, $replace, $match[0][1] - $_offset, $_length);
 
             $_offset += $_length - strlen($replace);
-            $_store++;
+            $_store ++;
         }
     }
 
     // Strip all HTML-Comments
     // yes, even the ones in <script> - see http://stackoverflow.com/a/808850/515124
-    $source = preg_replace( '#<!--.*?-->#ms', '', $source );
+    $source = preg_replace('#<!--.*?-->#ms', '', $source);
 
     // capture html elements not to be messed with
     $_offset = 0;
-    if (preg_match_all('#<(script|pre|textarea)[^>]*>.*?</\\1>#is', $source, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) {
+    if (preg_match_all('#(<script[^>]*>.*?</script[^>]*>)|(<textarea[^>]*>.*?</textarea[^>]*>)|(<pre[^>]*>.*?</pre[^>]*>)#is', $source, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) {
         foreach ($matches as $match) {
             $store[] = $match[0][0];
             $_length = strlen($match[0][0]);
@@ -53,42 +53,38 @@ function smarty_outputfilter_trimwhitespace($source, Smarty_Internal_Template $s
             $source = substr_replace($source, $replace, $match[0][1] - $_offset, $_length);
 
             $_offset += $_length - strlen($replace);
-            $_store++;
+            $_store ++;
         }
     }
 
     $expressions = array(
         // replace multiple spaces between tags by a single space
         // can't remove them entirely, becaue that might break poorly implemented CSS display:inline-block elements
-        '#(:SMARTY@!@|>)\s+(?=@!@SMARTY:|<)#s' => '\1 \2',
+        '#(:SMARTY@!@|>)\s+(?=@!@SMARTY:|<)#s'                            => '\1 \2',
         // remove spaces between attributes (but not in attribute values!)
-        '#(([a-z0-9]\s*=\s*(["\'])[^\3]*?\3)|<[a-z0-9_]+)\s+([a-z/>])#is' => '\1 \4',
+        '#(([a-z0-9]\s*=\s*("[^"]*?")|(\'[^\']*?\'))|<[a-z0-9_]+)\s+([a-z/>])#is' => '\1 \5',
         // note: for some very weird reason trim() seems to remove spaces inside attributes.
         // maybe a \0 byte or something is interfering?
-        '#^\s+<#Ss' => '<',
-        '#>\s+$#Ss' => '>',
+        '#^\s+<#Ss'                                                       => '<',
+        '#>\s+$#Ss'                                                       => '>',
     );
 
-    $source = preg_replace( array_keys($expressions), array_values($expressions), $source );
+    $source = preg_replace(array_keys($expressions), array_values($expressions), $source);
     // note: for some very weird reason trim() seems to remove spaces inside attributes.
     // maybe a \0 byte or something is interfering?
     // $source = trim( $source );
 
-    // capture html elements not to be messed with
     $_offset = 0;
     if (preg_match_all('#@!@SMARTY:([0-9]+):SMARTY@!@#is', $source, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) {
         foreach ($matches as $match) {
-            $store[] = $match[0][0];
             $_length = strlen($match[0][0]);
-            $replace = array_shift($store);
+            $replace = $store[$match[1][0]];
             $source = substr_replace($source, $replace, $match[0][1] + $_offset, $_length);
 
             $_offset += strlen($replace) - $_length;
-            $_store++;
+            $_store ++;
         }
     }
 
     return $source;
 }
-
-?>
\ No newline at end of file
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