From 7c4592434c495e16ccd6f6a97a53abcb1b4132d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Lehrke?= <jlehrke@noc.de>
Date: Mon, 12 Oct 2009 20:11:57 +0000
Subject: [PATCH] Adds COUNT to VTIMEZONE RRULE and fixes year selection

---
 phpgwapi/inc/horde/Horde/iCalendar/vtimezone.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/phpgwapi/inc/horde/Horde/iCalendar/vtimezone.php b/phpgwapi/inc/horde/Horde/iCalendar/vtimezone.php
index 332c14f5c3..d286d944a2 100644
--- a/phpgwapi/inc/horde/Horde/iCalendar/vtimezone.php
+++ b/phpgwapi/inc/horde/Horde/iCalendar/vtimezone.php
@@ -66,6 +66,11 @@ class Horde_iCalendar_vtimezone extends Horde_iCalendar {
             return $result;
         }
 
+        $switch_year = date("Y", $switch_time);
+        if ( $switch_year > $year ) {
+	        return false;
+        }
+
         $rrules = explode(';', $rrules);
         foreach ($rrules as $rrule) {
             $t = explode('=', $rrule);
@@ -82,6 +87,12 @@ class Horde_iCalendar_vtimezone extends Horde_iCalendar {
                 }
                 break;
 
+            case 'COUNT':
+	            if ($switch_year + intval($t[1]) < intval($year)) {
+		            return false;
+	            }
+	            break;
+
             case 'BYMONTH':
                 $month = intval($t[1]);
                 break;