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+/* -*- Mode: C -*-
+  ======================================================================
+  FILE: icaltimezoneimpl.h
+  CREATOR: glenn 07 March 2010
+  
+  $Id: icalparameterimpl.h,v 1.4 2008-01-15 23:17:40 dothebart Exp $
+  $Locker:  $
+    
+
+ (C) COPYRIGHT 2000, Eric Busboom <eric@softwarestudio.org>
+     http://www.softwarestudio.org
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of either: 
+
+    The LGPL as published by the Free Software Foundation, version
+    2.1, available at: http://www.fsf.org/copyleft/lesser.html
+
+  Or:
+
+    The Mozilla Public License Version 1.0. You may obtain a copy of
+    the License at http://www.mozilla.org/MPL/
+
+  Contributions from:
+
+ ======================================================================*/
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifndef ICALTIMEZONE_IMPL
+#define ICALTIMEZONE_IMPL
+
+#include "icaltimezone.h"
+#include "icalcomponent.h"
+#include "icalarray.h"
+
+struct _icaltimezone {
+    char		*tzid;
+    /**< The unique ID of this timezone,
+       e.g. "/citadel.org/Olson_20010601_1/Africa/Banjul".
+       This should only be used to identify a VTIMEZONE. It is not
+       meant to be displayed to the user in any form. */
+
+    char		*location;
+    /**< The location for the timezone, e.g. "Africa/Accra" for the
+       Olson database. We look for this in the "LOCATION" or
+       "X-LIC-LOCATION" properties of the VTIMEZONE component. It
+       isn't a standard property yet. This will be NULL if no location
+       is found in the VTIMEZONE. */
+
+    char		*tznames;
+    /**< This will be set to a combination of the TZNAME properties
+       from the last STANDARD and DAYLIGHT components in the
+       VTIMEZONE, e.g. "EST/EDT".  If they both use the same TZNAME,
+       or only one type of component is found, then only one TZNAME
+       will appear, e.g. "AZOT". If no TZNAME is found this will be
+       NULL. */
+
+    double		 latitude;
+    double		 longitude;
+    /**< The coordinates of the city, in degrees. */
+
+    icalcomponent	*component;
+    /**< The toplevel VTIMEZONE component loaded from the .ics file for this
+         timezone. If we need to regenerate the changes data we need this. */
+
+    icaltimezone	*builtin_timezone;
+    /**< If this is not NULL it points to the builtin icaltimezone
+       that the above TZID refers to. This icaltimezone should be used
+       instead when accessing the timezone changes data, so that the
+       expanded timezone changes data is shared between calendar
+       components. */
+
+    int			 end_year;
+    /**< This is the last year for which we have expanded the data to.
+       If we need to calculate a date past this we need to expand the
+       timezone component data from scratch. */
+
+    icalarray		*changes;
+    /**< A dynamically-allocated array of time zone changes, sorted by the
+       time of the change in local time. So we can do fast binary-searches
+       to convert from local time to UTC. */
+};
+
+
+
+#endif /*ICALTIMEZONE_IMPL*/