QDateTimePrivate Class Reference

#include <qdatetime_p.h>

Inheritance diagram for QDateTimePrivate:

Collaboration diagram for QDateTimePrivate:

Classes
struct	ZoneState

Public Types
enum	Spec {   LocalUnknown = -1 , LocalStandard = 0 , LocalDST = 1 , UTC = 2 ,   OffsetFromUTC = 3 , TimeZone = 4 }
enum	DaylightStatus { UnknownDaylightTime = -1 , StandardTime = 0 , DaylightTime = 1 }
enum	StatusFlag {   ShortData = 0x01 , ValidDate = 0x02 , ValidTime = 0x04 , ValidDateTime = 0x08 ,   TimeSpecMask = 0x30 , SetToStandardTime = 0x40 , SetToDaylightTime = 0x80 , ValidityMask = ValidDate | ValidTime | ValidDateTime ,   DaylightMask = SetToStandardTime | SetToDaylightTime }
enum	{ TimeSpecShift = 4 }
typedef QDateTime::ShortData	QDateTimeShortData
typedef QDateTime::Data	QDateTimeData

Static Public Member Functions
static QDateTime::Data	create (QDate toDate, QTime toTime, const QTimeZone &timeZone)
static ZoneState	expressUtcAsLocal (qint64 utcMSecs)
static ZoneState	localStateAtMillis (qint64 millis, DaylightStatus dst)
static QString	localNameAtMillis (qint64 millis, DaylightStatus dst)

Public Attributes
StatusFlags	m_status = StatusFlag(Qt::LocalTime << TimeSpecShift)
qint64	m_msecs = 0
int	m_offsetFromUtc = 0
QTimeZone	m_timeZone
Public Attributes inherited from QSharedData
QAtomicInt	ref

Additional Inherited Members
Public Member Functions inherited from QSharedData
	QSharedData () noexcept
	Constructs a QSharedData object with a reference count of 0.
	QSharedData (const QSharedData &) noexcept
	Constructs a QSharedData object with reference count 0.
QSharedData &	operator= (const QSharedData &)=delete
	~QSharedData ()=default

Detailed Description

Definition at line 34 of file qdatetime_p.h.

Member Typedef Documentation

QDateTimeData

typedef QDateTime::Data QDateTimePrivate::QDateTimeData

Definition at line 39 of file qdatetime_p.h.

QDateTimeShortData

typedef QDateTime::ShortData QDateTimePrivate::QDateTimeShortData

Definition at line 38 of file qdatetime_p.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
TimeSpecShift

Definition at line 76 of file qdatetime_p.h.

DaylightStatus

enum QDateTimePrivate::DaylightStatus

Enumerator
UnknownDaylightTime
StandardTime
DaylightTime

Definition at line 53 of file qdatetime_p.h.

Spec

enum QDateTimePrivate::Spec

Enumerator
LocalUnknown
LocalStandard
LocalDST
UTC
OffsetFromUTC
TimeZone

Definition at line 43 of file qdatetime_p.h.

StatusFlag

enum QDateTimePrivate::StatusFlag

Enumerator
ShortData
ValidDate
ValidTime
ValidDateTime
TimeSpecMask
SetToStandardTime
SetToDaylightTime
ValidityMask
DaylightMask

Definition at line 60 of file qdatetime_p.h.

Member Function Documentation

create()

Q_NEVER_INLINE QDateTime::Data QDateTimePrivate::create ( QDate  toDate, QTime  toTime, const QTimeZone &  timeZone  )

static

Definition at line 3289 of file qdatetime.cpp.

References QTimeZone::isUtcOrFixedOffset(), refreshSimpleDateTime(), refreshZonedDateTime(), setDateTime(), toDate(), and toTime().

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expressUtcAsLocal()

QDateTimePrivate::ZoneState QDateTimePrivate::expressUtcAsLocal ( qint64  utcMSecs )

static

Definition at line 2668 of file qdatetime.cpp.

References DaylightTime, QGregorianCalendar::julianFromParts(), millisInSystemRange(), QtPrivate::DateTimeConstants::MSECS_PER_SEC, msecsToJulianDay(), QGregorianCalendar::partsFromJulian(), Q_UNLIKELY, qAddOverflow(), qMulOverflow(), qSubOverflow(), StandardTime, systemTimeYearMatching(), and QLocalTime::utcToLocal().

Referenced by QLocalTime::getUtcOffset(), and QDateTime::setMSecsSinceEpoch().

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localNameAtMillis()

QString QDateTimePrivate::localNameAtMillis ( qint64  millis, DaylightStatus  dst  )

static

Definition at line 2731 of file qdatetime.cpp.

References QString::isEmpty(), QLocalTime::localTimeAbbbreviationAt(), millisInSystemRange(), millisToWithinRange(), QtPrivate::DateTimeConstants::MSECS_PER_DAY, QtPrivate::DateTimeConstants::MSECS_PER_SEC, Q_LIKELY, and state.

Referenced by QDateTime::timeZoneAbbreviation().

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localStateAtMillis()

QDateTimePrivate::ZoneState QDateTimePrivate::localStateAtMillis ( qint64  millis, DaylightStatus  dst  )

static

Definition at line 2762 of file qdatetime.cpp.

References QLocalTime::mapLocalTime(), millisInSystemRange(), millisToWithinRange(), QtPrivate::DateTimeConstants::MSECS_PER_DAY, Q_LIKELY, Q_UNLIKELY, and qAddOverflow().

Referenced by QDateTime::isDaylightTime(), stateAtMillis(), and QDateTime::toMSecsSinceEpoch().

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Member Data Documentation

m_msecs

qint64 QDateTimePrivate::m_msecs = 0

Definition at line 103 of file qdatetime_p.h.

m_offsetFromUtc

int QDateTimePrivate::m_offsetFromUtc = 0

Definition at line 104 of file qdatetime_p.h.

m_status

StatusFlags QDateTimePrivate::m_status = StatusFlag(Qt::LocalTime << TimeSpecShift)

Definition at line 102 of file qdatetime_p.h.

m_timeZone

QTimeZone QDateTimePrivate::m_timeZone

Definition at line 105 of file qdatetime_p.h.

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The documentation for this class was generated from the following files:

• qtbase/src/corelib/time/qdatetime_p.h
• qtbase/src/corelib/time/qdatetime.cpp