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+/*
+ This file is part of libkcal.
+
+ 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_ICALFORMAT_H
+#define KCAL_ICALFORMAT_H
+
+#include <qstring.h>
+
+#include "scheduler.h"
+
+#include "calformat.h"
+#include <kdepimmacros.h>
+
+namespace KCal {
+
+class ICalFormatImpl;
+class FreeBusy;
+
+/**
+ This class implements the iCalendar format. It provides methods for
+ loading/saving/converting iCalendar format data into the internal KOrganizer
+ representation as Calendar and Events.
+
+ @short iCalendar format implementation
+*/
+class LIBKCAL_EXPORT ICalFormat : public CalFormat
+{
+ public:
+ ICalFormat();
+ virtual ~ICalFormat();
+
+ /**
+ Loads a calendar on disk in iCalendar format into calendar.
+ Returns true if successful, else returns false. Provides more error
+ information by exception().
+
+ @param calendar Calendar object to be filled.
+ @param fileName The name of the calendar file on disk.
+ */
+ bool load( Calendar * calendar, const QString &fileName );
+ /**
+ Writes out the calendar to disk in iCalendar format. Returns true if
+ successful and false on error.
+
+ @param calendar The Calendar object to be written.
+ @param fileName The name of the calendar file on disk.
+ */
+ bool save( Calendar * calendar, const QString &fileName );
+
+ /**
+ Parse string and populate calendar with that information.
+ */
+ bool fromString( Calendar * calendar, const QString & );
+
+ /**
+ Parse string and return first ical component.
+ */
+ Incidence *fromString( const QString & );
+
+ /**
+ Return calendar information as string.
+ */
+ QString toString( Calendar * );
+ /**
+ Return incidence as full iCalendar formatted text.
+ */
+ QString toICalString( Incidence * );
+ /**
+ Return incidence as iCalendar formatted text.
+ */
+ QString toString( Incidence * );
+ /**
+ Return recurrence rule as iCalendar formatted text.
+ */
+ QString toString( RecurrenceRule * );
+ /**
+ Parse string and fill recurrence object with
+ that information
+ */
+ bool fromString ( RecurrenceRule *, const QString& );
+
+ /**
+ Create a scheduling message for event @p e using method @p m.
+ */
+ QString createScheduleMessage(IncidenceBase *e,Scheduler::Method m);
+ /**
+ Parse scheduling message provided as string @p s.
+ */
+ ScheduleMessage *parseScheduleMessage( Calendar *, const QString &s);
+
+ /**
+ Parse FREEBUSY object.
+ */
+ FreeBusy *parseFreeBusy( const QString & );
+
+ /**
+ Set id of used time zone and whether this time zone is UTC or not.
+ */
+ void setTimeZone( const QString &id, bool utc );
+ /**
+ Return id string of timezone used.
+ */
+ QString timeZoneId() const;
+ /**
+ Return true if timezone used is UTC, otherwise return false.
+ */
+ bool utc() const;
+
+ protected:
+ /**
+ Parse string and return first ical component of a raw byte array of
+ a utf8 encoded string. This is an overload used for efficiency reading
+ to avoid utf8 conversions, which are expensive, when reading from disk.
+ */
+ bool fromRawString( Calendar * calendar, const QCString & );
+ void setImplementation( ICalFormatImpl *impl );
+
+ private:
+ ICalFormatImpl *mImpl;
+
+ QString mTimeZoneId;
+ bool mUtc;
+
+ class Private;
+ Private *d;
+};
+
+}
+
+#endif