diff options
Diffstat (limited to 'src/corelib/tools/qdatetime.h')
| -rw-r--r-- | src/corelib/tools/qdatetime.h | 89 |
1 files changed, 59 insertions, 30 deletions
diff --git a/src/corelib/tools/qdatetime.h b/src/corelib/tools/qdatetime.h index ee3be5553b..ec0eaa1edf 100644 --- a/src/corelib/tools/qdatetime.h +++ b/src/corelib/tools/qdatetime.h @@ -1,6 +1,7 @@ /**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2016 Intel Corporation. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. @@ -46,11 +47,9 @@ #include <limits> -#ifdef Q_OS_MAC +#if defined(Q_OS_DARWIN) || defined(Q_QDOC) Q_FORWARD_DECLARE_CF_TYPE(CFDate); -# ifdef __OBJC__ Q_FORWARD_DECLARE_OBJC_CLASS(NSDate); -# endif #endif QT_BEGIN_NAMESPACE @@ -148,15 +147,9 @@ Q_DECLARE_TYPEINFO(QDate, Q_MOVABLE_TYPE); class Q_CORE_EXPORT QTime { explicit Q_DECL_CONSTEXPR QTime(int ms) : mds(ms) -#if defined(Q_OS_WINCE) - , startTick(NullTime) -#endif {} public: Q_DECL_CONSTEXPR QTime(): mds(NullTime) -#if defined(Q_OS_WINCE) - , startTick(NullTime) -#endif {} QTime(int h, int m, int s = 0, int ms = 0); @@ -202,9 +195,6 @@ private: enum TimeFlag { NullTime = -1 }; Q_DECL_CONSTEXPR inline int ds() const { return mds == -1 ? 0 : mds; } int mds; -#if defined(Q_OS_WINCE) - int startTick; -#endif friend class QDateTime; friend class QDateTimePrivate; @@ -219,8 +209,46 @@ class QDateTimePrivate; class Q_CORE_EXPORT QDateTime { + // ### Qt 6: revisit the optimization + struct ShortData { +#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN + quintptr status : 8; +#endif + // note: this is only 24 bits on 32-bit systems... + qintptr msecs : sizeof(void *) * 8 - 8; + +#if Q_BYTE_ORDER == Q_BIG_ENDIAN + quintptr status : 8; +#endif + }; + + union Data { + enum { + // To be of any use, we need at least 60 years around 1970, which + // is 1,893,456,000,000 ms. That requires 41 bits to store, plus + // the sign bit. With the status byte, the minimum size is 50 bits. + CanBeSmall = sizeof(ShortData) * 8 > 50 + }; + + Data(); + Data(Qt::TimeSpec); + Data(const Data &other); + Data(Data &&other); + Data &operator=(const Data &other); + ~Data(); + + bool isShort() const; + void detach(); + + const QDateTimePrivate *operator->() const; + QDateTimePrivate *operator->(); + + QDateTimePrivate *d; + ShortData data; + }; + public: - QDateTime(); + QDateTime() Q_DECL_NOEXCEPT_EXPR(Data::CanBeSmall); explicit QDateTime(const QDate &); QDateTime(const QDate &, const QTime &, Qt::TimeSpec spec = Qt::LocalTime); // ### Qt 6: Merge with above with default offsetSeconds = 0 @@ -228,15 +256,16 @@ public: #ifndef QT_BOOTSTRAPPED QDateTime(const QDate &date, const QTime &time, const QTimeZone &timeZone); #endif // QT_BOOTSTRAPPED - QDateTime(const QDateTime &other); + QDateTime(const QDateTime &other) Q_DECL_NOTHROW; + QDateTime(QDateTime &&other) Q_DECL_NOTHROW; ~QDateTime(); #ifdef Q_COMPILER_RVALUE_REFS QDateTime &operator=(QDateTime &&other) Q_DECL_NOTHROW { swap(other); return *this; } #endif - QDateTime &operator=(const QDateTime &other); + QDateTime &operator=(const QDateTime &other) Q_DECL_NOTHROW; - void swap(QDateTime &other) Q_DECL_NOTHROW { qSwap(d, other.d); } + void swap(QDateTime &other) Q_DECL_NOTHROW { qSwap(d.d, other.d.d); } bool isNull() const; bool isValid() const; @@ -252,8 +281,7 @@ public: bool isDaylightTime() const; qint64 toMSecsSinceEpoch() const; - // ### Qt 6: use quint64 instead of uint - uint toTime_t() const; + qint64 toSecsSinceEpoch() const; void setDate(const QDate &date); void setTime(const QTime &time); @@ -263,8 +291,7 @@ public: void setTimeZone(const QTimeZone &toZone); #endif // QT_BOOTSTRAPPED void setMSecsSinceEpoch(qint64 msecs); - // ### Qt 6: use quint64 instead of uint - void setTime_t(uint secsSince1Jan1970UTC); + void setSecsSinceEpoch(qint64 secs); #ifndef QT_NO_DATESTRING QString toString(Qt::DateFormat f = Qt::TextDate) const; @@ -306,38 +333,40 @@ public: static QDateTime fromString(const QString &s, Qt::DateFormat f = Qt::TextDate); static QDateTime fromString(const QString &s, const QString &format); #endif - // ### Qt 6: use quint64 instead of uint + +#if QT_DEPRECATED_SINCE(5, 8) + uint toTime_t() const; + void setTime_t(uint secsSince1Jan1970UTC); static QDateTime fromTime_t(uint secsSince1Jan1970UTC); - // ### Qt 6: Merge with above with default spec = Qt::LocalTime static QDateTime fromTime_t(uint secsSince1Jan1970UTC, Qt::TimeSpec spec, int offsetFromUtc = 0); -#ifndef QT_BOOTSTRAPPED static QDateTime fromTime_t(uint secsSince1Jan1970UTC, const QTimeZone &timeZone); #endif + static QDateTime fromMSecsSinceEpoch(qint64 msecs); // ### Qt 6: Merge with above with default spec = Qt::LocalTime static QDateTime fromMSecsSinceEpoch(qint64 msecs, Qt::TimeSpec spec, int offsetFromUtc = 0); + static QDateTime fromSecsSinceEpoch(qint64 secs, Qt::TimeSpec spe = Qt::LocalTime, int offsetFromUtc = 0); + #ifndef QT_BOOTSTRAPPED static QDateTime fromMSecsSinceEpoch(qint64 msecs, const QTimeZone &timeZone); + static QDateTime fromSecsSinceEpoch(qint64 secs, const QTimeZone &timeZone); #endif + static qint64 currentMSecsSinceEpoch() Q_DECL_NOTHROW; + static qint64 currentSecsSinceEpoch() Q_DECL_NOTHROW; -#if defined(Q_OS_MAC) || defined(Q_QDOC) +#if defined(Q_OS_DARWIN) || defined(Q_QDOC) static QDateTime fromCFDate(CFDateRef date); CFDateRef toCFDate() const Q_DECL_CF_RETURNS_RETAINED; -# if defined(__OBJC__) || defined(Q_QDOC) static QDateTime fromNSDate(const NSDate *date); NSDate *toNSDate() const Q_DECL_NS_RETURNS_AUTORELEASED; -# endif #endif private: friend class QDateTimePrivate; - // ### Qt6: Using a private here has high impact on runtime - // on users such as QFileInfo. In Qt 6, the data members - // should be inlined. - QSharedDataPointer<QDateTimePrivate> d; + Data d; #ifndef QT_NO_DATASTREAM friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QDateTime &); |