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diff --git a/libkcal/vcalformat.h b/libkcal/vcalformat.h
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+/*
+    This file is part of libkcal.
+
+    Copyright (c) 1998 Preston Brown <pbrown@kde.org>
+    Copyright (c) 2001-2003 Cornelius Schumacher <schumacher@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+#ifndef KCAL_VCALFORMAT_H
+#define KCAL_VCALFORMAT_H
+
+#include "calformat.h"
+
+#include "todo.h"
+#include "event.h"
+#include "libkcal_export.h"
+
+#define _VCAL_VERSION "1.0"
+
+class VObject;
+
+namespace KCal {
+
+/**
+  This class implements the vCalendar format. It provides methods for
+  loading/saving/converting vCalendar format data into the internal KOrganizer
+  representation as Calendar and Events.
+
+  @short vCalendar format implementation
+*/
+class LIBKCAL_EXPORT VCalFormat : public CalFormat
+{
+  public:
+    VCalFormat();
+    virtual ~VCalFormat();
+
+    /**
+      Loads a calendar on disk in vCalendar format into the given calendar.
+
+      @param calendar Calendar object the loaded data is stored into.
+      @param fileName Name of the vCalendar file on disk.
+      @return true on success, otherwise false
+    */
+    bool load( Calendar *calendar, const QString &fileName );
+    /**
+      Writes out the given calendar to disk in vCalendar format.
+
+      @param calendar Calendar object holding data to be written
+      @param fileName the name of the file
+      @return true on success, otherwise false
+    */
+    bool save(Calendar *calendar, const QString &fileName);
+
+    /**
+      Parse string and populate calendar with that information.
+    */
+    bool fromString( Calendar *, const QString & );
+    /**
+      Return calendar information as string.
+    */
+    QString toString( Calendar * );
+
+  protected:
+    /** translates a VObject of the TODO type into a Event */
+    Todo *VTodoToEvent(VObject *vtodo);
+    /** translates a VObject into a Event and returns a pointer to it. */
+    Event *VEventToEvent(VObject *vevent);
+    /** translate a Event into a VTodo-type VObject and return pointer */
+    VObject *eventToVTodo(const Todo *anEvent);
+    /** translate a Event into a VObject and returns a pointer to it. */
+    VObject* eventToVEvent(const Event *anEvent);
+
+    /** takes a QDate and returns a string in the format YYYYMMDDTHHMMSS */
+    QString qDateToISO(const QDate &);
+    /** takes a QDateTime and returns a string in format YYYYMMDDTHHMMSS */
+    QString qDateTimeToISO(const QDateTime &, bool zulu=TRUE);
+    /** takes a string in the format YYYYMMDDTHHMMSS and returns a
+     * valid QDateTime. */
+    QDateTime ISOToQDateTime(const QString & dtStr);
+    /** takes a string in the format YYYYMMDD and returns a
+     * valid QDate. */
+    QDate ISOToQDate(const QString & dtStr);
+    /** takes a vCalendar tree of VObjects, and puts all of them that have
+     * the "event" property into the dictionary, todos in the todo-list, etc. */
+    void populate(VObject *vcal);
+
+    /** takes a number 0 - 6 and returns the two letter string of that day,
+      * i.e. MO, TU, WE, etc. */
+    const char *dayFromNum(int day);
+    /** the reverse of the above function. */
+    int numFromDay(const QString &day);
+
+    Attendee::PartStat readStatus(const char *s) const;
+    QCString writeStatus(Attendee::PartStat status) const;
+
+  private:
+    Calendar *mCalendar;
+
+    Event::List mEventsRelate;           // events with relations
+    Todo::List mTodosRelate;             // todos with relations
+
+    class Private;
+    Private *d;
+};
+
+}
+
+#endif