File indexing completed on 2024-04-14 03:50:49

 /*
   This file is part of the kcalcore library.
 
   SPDX-FileCopyrightText: 1998 Preston Brown <pbrown@kde.org>
   SPDX-FileCopyrightText: 2001-2003 Cornelius Schumacher <schumacher@kde.org>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
 */
 /**
   @file
   This file is part of the API for handling calendar data and
   defines the VCalFormat base class.
 
   This class implements the vCalendar format. It provides methods for
   loading/saving/converting vCalendar format data into the internal
   representation as Calendar and Incidences.
 
   @brief
   vCalendar format implementation.
 
   @author Preston Brown \<pbrown@kde.org\>
   @author Cornelius Schumacher \<schumacher@kde.org\>
 */
 
 #ifndef KCALCORE_VCALFORMAT_H
 #define KCALCORE_VCALFORMAT_H
 
 #include "attendee.h"
 #include "calformat.h"
 #include "event.h"
 #include "journal.h"
 #include "kcalendarcore_export.h"
 #include "todo.h"
 
 struct VObject;
 
 class QDate;
 
 #define _VCAL_VERSION "1.0"
 
 /* extensions for iMIP / iTIP */
 #define ICOrganizerProp "X-ORGANIZER"
 #define ICMethodProp "X-METHOD"
 #define ICRequestStatusProp "X-REQUEST-STATUS"
 
 namespace KCalendarCore
 {
 class Event;
 class Todo;
 class VCalFormatPrivate;
 
 /**
   @brief
   vCalendar format implementation.
 
   This class implements the vCalendar format. It provides methods for
   loading/saving/converting vCalendar format data into the internal
   representation as Calendar and Incidences.
 */
 class KCALENDARCORE_EXPORT VCalFormat : public CalFormat
 {
 public:
     /**
       Constructor a new vCalendar Format object.
     */
     VCalFormat();
 
     /**
       Destructor.
     */
     ~VCalFormat() override;
 
     /**
       @copydoc
       CalFormat::load()
     */
     bool load(const Calendar::Ptr &calendar, const QString &fileName) override;
 
     /**
       @copydoc
       CalFormat::save()
     */
     bool save(const Calendar::Ptr &calendar, const QString &fileName) override;
 
     /**
       @copydoc
       CalFormat::toString()
     */
     Q_REQUIRED_RESULT QString toString(const Calendar::Ptr &calendar) override;
 
     /**
       @copydoc
       CalFormat::fromRawString()
     */
     Q_REQUIRED_RESULT bool fromRawString(const Calendar::Ptr &calendar, const QByteArray &string) override;
 
 protected:
     /**
       Translates a VObject of the TODO type into an Event.
       @param vtodo is a pointer to a valid VObject object.
     */
     Todo::Ptr VTodoToEvent(VObject *vtodo);
 
     /**
       Translates a VObject into a Event and returns a pointer to it.
       @param vevent is a pointer to a valid VObject object.
     */
     Event::Ptr VEventToEvent(VObject *vevent);
 
     /**
       Parse TZ tag from vtimezone.
     */
     QString parseTZ(const QByteArray &timezone) const;
 
     /**
       Parse DAYLIGHT tag from vtimezone.
     */
     QString parseDst(QByteArray &timezone) const;
 
     /**
       Takes a QDate and returns a string in the format YYYYMMDDTHHMMSS.
       @param date is the date to format.
     */
     QString qDateToISO(const QDate &date);
 
     /**
       Takes a QDateTime and returns a string in format YYYYMMDDTHHMMSS.
       @param date is the date to format.
       @param zulu if true, then shift the date to UTC.
     */
     QString qDateTimeToISO(const QDateTime &date, bool zulu = true);
 
     /**
       Takes a string in YYYYMMDDTHHMMSS format and returns a valid QDateTime.
       @param dtStr is a QString containing the date to convert. If this value
       is invalid, then QDateTime() is returned.
     */
     QDateTime ISOToQDateTime(const QString &dtStr);
 
     /**
       Takes a string in the YYYYMMDD format and returns a valid QDate.
       @param dtStr is a QString containing the date to convert. If this value
       is invalid, then QDateTime() is returned.
     */
     QDate ISOToQDate(const QString &dtStr);
 
     /**
       Parse one of the myriad of ISO8601 timezone offset formats, e.g.
       +- hh : mm
       +- hh mm
       +- hh
 
       @param s string to be parsed.
       @param result timezone offset in seconds, if parse succeeded.
       @return Whether the parse succeeded or not.
     */
     bool parseTZOffsetISO8601(const QString &s, int &result);
 
     /**
       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);
 
     /**
       Converts a two letter representation of the day (i.e. MO, TU, WE, etc) and
       returns a number 0-6 corresponding to that ordinal day of the week.
       @param day is the QString containing the two letter day representation.
     */
     int numFromDay(const QString &day);
 
     /**
       Converts a status string into an Attendee::PartStat.
       @param s is a null-terminated character string containing the status to convert.
 
       @return a valid Attendee::PartStat.  If the string provided is empty, null,
       or the contents are unrecognized, then Attendee::NeedsAction is returned.
     */
     Attendee::PartStat readStatus(const char *s) const;
 
     /**
       Converts an Attendee::PartStat into a QByteArray string.
       @param status is the Attendee::PartStat to convert.
 
       @return a QByteArray containing the status string.
     */
     QByteArray writeStatus(Attendee::PartStat status) const;
 
     void readCustomProperties(VObject *o, const Incidence::Ptr &i);
     void writeCustomProperties(VObject *o, const Incidence::Ptr &i);
 
 private:
     //@cond PRIVATE
     Q_DISABLE_COPY(VCalFormat)
     Q_DECLARE_PRIVATE(VCalFormat)
     //@endcond
 };
 
 }
 
 #endif