File indexing completed on 2024-04-21 03:52:49

 /*
   This file is part of the kcalcore library.
 
   SPDX-FileCopyrightText: 2005-2007 David Jarvie <djarvie@kde.org>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
 */
 #ifndef KCALCORE_ICALTIMEZONES_P_H
 #define KCALCORE_ICALTIMEZONES_P_H
 
 #include "incidencebase.h"
 #include "kcalendarcore_export.h"
 
 #include <QHash>
 #include <QList>
 #include <QTimeZone>
 
 #ifndef ICALCOMPONENT_H
 typedef struct icalcomponent_impl icalcomponent;
 #endif
 #ifndef ICALTIMEZONE_DEFINED
 #define ICALTIMEZONE_DEFINED
 typedef struct _icaltimezone icaltimezone;
 #endif
 
 namespace KCalendarCore
 {
 class ICalTimeZonePhase;
 
 class ICalTimeZonePhase
 {
 public:
     void dump();
 
     QSet<QByteArray> abbrevs; // abbreviations of the phase
     int utcOffset = 0; // UTC offset of the phase
     QList<QDateTime> transitions; // times on which transition into this phase occurs
 };
 
 class ICalTimeZone
 {
 public:
     void dump();
 
     QByteArray id; // original TZID
     QTimeZone qZone; // QTimeZone mapped from TZID
     ICalTimeZonePhase standard; // standard time
     ICalTimeZonePhase daylight; // DST time
 };
 
 class KCALENDARCORE_EXPORT ICalTimeZoneCache
 {
 public:
     explicit ICalTimeZoneCache();
 
     void insert(const QByteArray &id, const ICalTimeZone &tz);
 
     QTimeZone tzForTime(const QDateTime &dt, const QByteArray &tzid) const;
 
 private:
     QHash<QByteArray, ICalTimeZone> mCache;
 };
 
 using TimeZoneEarliestDate = QHash<QTimeZone, QDateTime>;
 
 class KCALENDARCORE_EXPORT ICalTimeZoneParser
 {
 public:
     explicit ICalTimeZoneParser(ICalTimeZoneCache *cache);
 
     void parse(icalcomponent *calendar);
 
     static void updateTzEarliestDate(const IncidenceBase::Ptr &incidence, TimeZoneEarliestDate *earliestDate);
 
     static icaltimezone *icaltimezoneFromQTimeZone(const QTimeZone &qtz, const QDateTime &earliest);
     static QByteArray vcaltimezoneFromQTimeZone(const QTimeZone &qtz, const QDateTime &earliest);
 
 private:
     static icalcomponent *icalcomponentFromQTimeZone(const QTimeZone &qtz, const QDateTime &earliest);
 
     ICalTimeZone parseTimeZone(icalcomponent *zone);
     bool parsePhase(icalcomponent *c, bool daylight, ICalTimeZonePhase &phase);
     QTimeZone resolveICalTimeZone(const ICalTimeZone &icalZone);
 
     ICalTimeZoneCache *mCache;
 };
 
 } // namespace KCalendarCore
 
 inline size_t qHash(const QTimeZone &tz, size_t seed = 0)
 {
     return qHash(tz.id(), seed);
 }
 
 #endif