- use virtual php extension deps (to be independant of php version)

[packages/Smarty.git] / modifier.mb_truncate.patch

--- Smarty-2.6.26/libs/plugins/modifier.mb_truncate.php	2009-06-18 14:46:27.000000000 +0000
+++ Smarty-2.6.26/libs/plugins/modifier.mb_truncate.php	2010-11-19 11:34:18.704932307 +0000
@@ -10,21 +10,24 @@
  * Smarty truncate modifier plugin
  *
  * Type:     modifier<br>
- * Name:     truncate<br>
+ * Name:     mb_truncate<br>
  * Purpose:  Truncate a string to a certain length if necessary,
  *           optionally splitting in the middle of a word, and
  *           appending the $etc string or inserting $etc into the middle.
+ *           This version also supports multibyte strings.
  * @link http://smarty.php.net/manual/en/language.modifier.truncate.php
  *          truncate (Smarty online manual)
- * @author   Monte Ohrt <monte at ohrt dot com>
+ * @author   Guy Rutenberg <guyrutenberg@gmail.com> based on the original 
+ *           truncate by Monte Ohrt <monte at ohrt dot com>
  * @param string
  * @param integer
  * @param string
+ * @param string
  * @param boolean
  * @param boolean
  * @return string
  */
-function smarty_modifier_truncate($string, $length = 80, $etc = '...',
+function smarty_modifier_mb_truncate($string, $length = 80, $etc = '...', $charset='UTF-8',
                                   $break_words = false, $middle = false)
 {
     if ($length == 0)
@@ -33,12 +36,12 @@
     if (strlen($string) > $length) {
         $length -= min($length, strlen($etc));
         if (!$break_words && !$middle) {
-            $string = preg_replace('/\s+?(\S+)?$/', '', substr($string, 0, $length+1));
+            $string = preg_replace('/\s+?(\S+)?$/', '', mb_substr($string, 0, $length+1, $charset));
         }
         if(!$middle) {
-            return substr($string, 0, $length) . $etc;
+            return mb_substr($string, 0, $length, $charset) . $etc;
         } else {
-            return substr($string, 0, $length/2) . $etc . substr($string, -$length/2);
+            return mb_substr($string, 0, $length/2, $charset) . $etc . mb_substr($string, -$length/2, $charset);
         }
     } else {
         return $string;