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)

---
 include/smarty/libs/plugins/shared.mb_wordwrap.php | 60 +++++++++-------------
 1 file changed, 25 insertions(+), 35 deletions(-)

(limited to 'include/smarty/libs/plugins/shared.mb_wordwrap.php')

diff --git a/include/smarty/libs/plugins/shared.mb_wordwrap.php b/include/smarty/libs/plugins/shared.mb_wordwrap.php
index ba3498c70..31f4acf01 100644
--- a/include/smarty/libs/plugins/shared.mb_wordwrap.php
+++ b/include/smarty/libs/plugins/shared.mb_wordwrap.php
@@ -2,44 +2,40 @@
 /**
  * Smarty shared plugin
  *
- * @package Smarty
+ * @package    Smarty
  * @subpackage PluginsShared
  */
 
-if(!function_exists('smarty_mb_wordwrap')) {
+if (!function_exists('smarty_mb_wordwrap')) {
 
     /**
      * Wrap a string to a given number of characters
      *
-     * @link http://php.net/manual/en/function.wordwrap.php for similarity
-     * @param string  $str   the string to wrap
-     * @param int     $width the width of the output
-     * @param string  $break the character used to break the line
-     * @param boolean $cut   ignored parameter, just for the sake of
-     * @return string wrapped string
+     * @link   http://php.net/manual/en/function.wordwrap.php for similarity
+     *
+     * @param  string  $str   the string to wrap
+     * @param  int     $width the width of the output
+     * @param  string  $break the character used to break the line
+     * @param  boolean $cut   ignored parameter, just for the sake of
+     *
+     * @return string  wrapped string
      * @author Rodney Rehm
      */
-    function smarty_mb_wordwrap($str, $width=75, $break="\n", $cut=false)
+    function smarty_mb_wordwrap($str, $width = 75, $break = "\n", $cut = false)
     {
         // break words into tokens using white space as a delimiter
-        $tokens = preg_split('!(\s)!S' . Smarty::$_UTF8_MODIFIER, $str, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
+        $tokens = preg_split('!(\s)!S' . Smarty::$_UTF8_MODIFIER, $str, - 1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
         $length = 0;
         $t = '';
         $_previous = false;
+        $_space = false;
 
         foreach ($tokens as $_token) {
             $token_length = mb_strlen($_token, Smarty::$_CHARSET);
             $_tokens = array($_token);
             if ($token_length > $width) {
-                // remove last space
-                $t = mb_substr($t, 0, -1, Smarty::$_CHARSET);
-                $_previous = false;
-                $length = 0;
-
-                if ($cut) {
-                    $_tokens = preg_split('!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER, $_token, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
-                    // broken words go on a new line
-                    $t .= $break;
+                 if ($cut) {
+                    $_tokens = preg_split('!(.{' . $width . '})!S' . Smarty::$_UTF8_MODIFIER, $_token, - 1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
                 }
             }
 
@@ -50,27 +46,23 @@ if(!function_exists('smarty_mb_wordwrap')) {
 
                 if ($length > $width) {
                     // remove space before inserted break
-                    if ($_previous && $token_length < $width) {
-                        $t = mb_substr($t, 0, -1, Smarty::$_CHARSET);
+                    if ($_previous) {
+                        $t = mb_substr($t, 0, - 1, Smarty::$_CHARSET);
                     }
 
-                    // add the break before the token
-                    $t .= $break;
-                    $length = $token_length;
-
-                    // skip space after inserting a break
-                    if ($_space) {
-                        $length = 0;
-                        continue;
+                    if (!$_space) {
+                        // add the break before the token
+                        if (!empty($t)) {
+                            $t .= $break;
+                        }
+                        $length = $token_length;
                     }
-                } else if ($token == "\n") {
+                } elseif ($token == "\n") {
                     // hard break must reset counters
                     $_previous = 0;
                     $length = 0;
-                } else {
-                    // remember if we had a space or not
-                    $_previous = $_space;
                 }
+                $_previous = $_space;
                 // add the token
                 $t .= $token;
             }
@@ -78,6 +70,4 @@ if(!function_exists('smarty_mb_wordwrap')) {
 
         return $t;
     }
-
 }
-?>
\ No newline at end of file
-- 
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