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40
41#ifndef QDATETIME_P_H
42#define QDATETIME_P_H
43
44//
45// W A R N I N G
46// -------------
47//
48// This file is not part of the Qt API. It exists purely as an
49// implementation detail. This header file may change from version to
50// version without notice, or even be removed.
51//
52// We mean it.
53//
54
55#include <QtCore/private/qglobal_p.h>
56#include "qplatformdefs.h"
57#include "QtCore/qatomic.h"
58#include "QtCore/qdatetime.h"
59#include "QtCore/qshareddata.h"
60
61#if QT_CONFIG(timezone)
62#include "qtimezone.h"
63#endif
64
65QT_BEGIN_NAMESPACE
66
67class QDateTimePrivate : public QSharedData
68{
69public:
70 // forward the declarations from QDateTime (this makes them public)
71 typedef QDateTime::ShortData QDateTimeShortData;
72 typedef QDateTime::Data QDateTimeData;
73
74 // Never change or delete this enum, it is required for backwards compatible
75 // serialization of QDateTime before 5.2, so is essentially public API
76 enum Spec {
77 LocalUnknown = -1,
78 LocalStandard = 0,
79 LocalDST = 1,
80 UTC = 2,
81 OffsetFromUTC = 3,
82 TimeZone = 4
83 };
84
85 // Daylight Time Status
86 enum DaylightStatus {
87 UnknownDaylightTime = -1,
88 StandardTime = 0,
89 DaylightTime = 1
90 };
91
92 // Status of date/time
93 enum StatusFlag {
94 ShortData = 0x01,
95
96 ValidDate = 0x02,
97 ValidTime = 0x04,
98 ValidDateTime = 0x08,
99
100 TimeSpecMask = 0x30,
101
102 SetToStandardTime = 0x40,
103 SetToDaylightTime = 0x80
104 };
105 Q_DECLARE_FLAGS(StatusFlags, StatusFlag)
106
107 enum {
108 TimeSpecShift = 4,
109 ValidityMask = ValidDate | ValidTime | ValidDateTime,
110 DaylightMask = SetToStandardTime | SetToDaylightTime
111 };
112
113 static QDateTime::Data create(const QDate &toDate, const QTime &toTime, Qt::TimeSpec toSpec,
114 int offsetSeconds);
115
116#if QT_CONFIG(timezone)
117 static QDateTime::Data create(const QDate &toDate, const QTime &toTime, const QTimeZone & timeZone);
118#endif // timezone
119
120 StatusFlags m_status = StatusFlag(Qt::LocalTime << TimeSpecShift);
121 qint64 m_msecs = 0;
122 int m_offsetFromUtc = 0;
123#if QT_CONFIG(timezone)
124 QTimeZone m_timeZone;
125#endif // timezone
126
127#if QT_CONFIG(timezone)
128 static qint64 zoneMSecsToEpochMSecs(qint64 msecs, const QTimeZone &zone,
129 DaylightStatus hint = UnknownDaylightTime,
130 QDate *localDate = nullptr, QTime *localTime = nullptr);
131
132 // Inlined for its one caller in qdatetime.cpp
133 inline void setUtcOffsetByTZ(qint64 atMSecsSinceEpoch);
134#endif // timezone
135};
136
137QT_END_NAMESPACE
138
139#endif // QDATETIME_P_H
140

source code of qtbase/src/corelib/time/qdatetime_p.h