feedcreator multibyte patch

feedcreator.class.php.diff

Index: include/feedcreator.class.php
===================================================================
--- include/feedcreator.class.php	(revision 17)
+++ include/feedcreator.class.php	(working copy)
@@ -521,6 +521,9 @@
 	 * @return string    the truncated string
 	 */
 	function iTrunc($string, $length) {
+		if (extension_loaded('mbstring')) {
+			return FeedCreator::iTrunc_mb($string, $length);
+		}
 		if (strlen($string)<=$length) {
 			return $string;
 		}
@@ -547,7 +550,33 @@
 
 	}
 
+	function iTrunc_mb($string, $length) {
+		$encoding = strtoupper($this->encoding);
+		if (@mb_strlen($string,$encoding)<=$length) {
+			return $string;
+		}
 
+		$pos = mb_strrpos($string,".",$encoding);
+		if ($pos>=$length-4) {
+			$string = mb_substr($string,0,$length-4,$encoding);
+			$pos = mb_strrpos($string,".",$encoding);
+		}
+		if ($pos>=$length*0.4) {
+			return mb_substr($string,0,$pos+1,$encoding)." ...";
+		}
+
+		$pos = mb_strrpos($string," ",$encoding);
+		if ($pos>=$length-4) {
+			$string = mb_substr($string,0,$length-4,$encoding);
+			$pos = mb_strrpos($string," ",$encoding);
+		}
+		if ($pos>=$length*0.4) {
+			return mb_substr($string,0,$pos,$encoding)." ...";
+		}
+
+		return mb_substr($string,0,$length-4,$encoding)." ...";
+	}
+
 	/**
 	 * Creates a comment indicating the generator of this feed.
 	 * The format of this comment seems to be recognized by