diff options
Diffstat (limited to 'src/corelib/tools/qdatetime.cpp')
| -rw-r--r-- | src/corelib/tools/qdatetime.cpp | 71 |
1 files changed, 44 insertions, 27 deletions
diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp index 600bd1e0e5..969065ffee 100644 --- a/src/corelib/tools/qdatetime.cpp +++ b/src/corelib/tools/qdatetime.cpp @@ -256,7 +256,7 @@ static QString toOffsetString(Qt::DateFormat format, int offset) #if QT_CONFIG(datestring) // Parse offset in [+-]HH[[:]mm] format -static int fromOffsetString(const QStringRef &offsetString, bool *valid) Q_DECL_NOTHROW +static int fromOffsetString(const QStringRef &offsetString, bool *valid) noexcept { *valid = false; @@ -908,10 +908,16 @@ QString QDate::toString(Qt::DateFormat format) const a minus sign is prepended in addition. \endtable - All other input characters will be ignored. Any sequence of characters that - are enclosed in single quotes will be treated as text and not be used as an - expression. Two consecutive single quotes ("''") are replaced by a singlequote - in the output. Formats without separators (e.g. "ddMM") are currently not supported. + Any sequence of characters enclosed in single quotes will be included + verbatim in the output string (stripped of the quotes), even if it contains + formatting characters. Two consecutive single quotes ("''") are replaced by + a single quote in the output. All other characters in the format string are + included verbatim in the output string. + + Formats without separators (e.g. "ddMM") are supported but must be used with + care, as the resulting strings aren't always reliably readable (e.g. if "dM" + produces "212" it could mean either the 2nd of December or the 21st of + February). Example format strings (assuming that the QDate is the 20 July 1969): @@ -1458,9 +1464,8 @@ bool QDate::isLeapYear(int y) /*! \fn QTime::QTime() - Constructs a null time object. A null time can be a QTime(0, 0, 0, 0) - (i.e., midnight) object, except that isNull() returns \c true and isValid() - returns \c false. + Constructs a null time object. For a null time, isNull() returns \c true and + isValid() returns \c false. If you need a zero time, use QTime(0, 0). \sa isNull(), isValid() */ @@ -1672,10 +1677,16 @@ QString QTime::toString(Qt::DateFormat format) const \row \li t \li the timezone (for example "CEST") \endtable - All other input characters will be ignored. Any sequence of characters that - are enclosed in single quotes will be treated as text and not be used as an - expression. Two consecutive single quotes ("''") are replaced by a singlequote - in the output. Formats without separators (e.g. "HHmm") are currently not supported. + Any sequence of characters enclosed in single quotes will be included + verbatim in the output string (stripped of the quotes), even if it contains + formatting characters. Two consecutive single quotes ("''") are replaced by + a single quote in the output. All other characters in the format string are + included verbatim in the output string. + + Formats without separators (e.g. "ddMM") are supported but must be used with + care, as the resulting strings aren't always reliably readable (e.g. if "dM" + produces "212" it could mean either the 2nd of December or the 21st of + February). Example format strings (assuming that the QTime is 14:13:09.042 and the system locale is \c{en_US}) @@ -3120,7 +3131,7 @@ inline qint64 QDateTimePrivate::zoneMSecsToEpochMSecs(qint64 zoneMSecs, const QT \sa isValid() */ -QDateTime::QDateTime() Q_DECL_NOEXCEPT_EXPR(Data::CanBeSmall) +QDateTime::QDateTime() noexcept(Data::CanBeSmall) { } @@ -3131,7 +3142,7 @@ QDateTime::QDateTime() Q_DECL_NOEXCEPT_EXPR(Data::CanBeSmall) */ QDateTime::QDateTime(const QDate &date) - : d(QDateTimePrivate::create(date, QTime(0, 0, 0), Qt::LocalTime, 0)) + : d(QDateTimePrivate::create(date, QTime(0, 0), Qt::LocalTime, 0)) { } @@ -3199,7 +3210,7 @@ QDateTime::QDateTime(const QDate &date, const QTime &time, const QTimeZone &time /*! Constructs a copy of the \a other datetime. */ -QDateTime::QDateTime(const QDateTime &other) Q_DECL_NOTHROW +QDateTime::QDateTime(const QDateTime &other) noexcept : d(other.d) { } @@ -3209,7 +3220,7 @@ QDateTime::QDateTime(const QDateTime &other) Q_DECL_NOTHROW Moves the content of the temporary \a other datetime to this object and leaves \a other in an unspecified (but proper) state. */ -QDateTime::QDateTime(QDateTime &&other) Q_DECL_NOTHROW +QDateTime::QDateTime(QDateTime &&other) noexcept : d(std::move(other.d)) { } @@ -3226,7 +3237,7 @@ QDateTime::~QDateTime() copy. */ -QDateTime &QDateTime::operator=(const QDateTime &other) Q_DECL_NOTHROW +QDateTime &QDateTime::operator=(const QDateTime &other) noexcept { d = other.d; return *this; @@ -3952,10 +3963,16 @@ QString QDateTime::toString(Qt::DateFormat format) const \row \li t \li the timezone (for example "CEST") \endtable - All other input characters will be ignored. Any sequence of characters that - are enclosed in single quotes will be treated as text and not be used as an - expression. Two consecutive single quotes ("''") are replaced by a singlequote - in the output. Formats without separators (e.g. "HHmm") are currently not supported. + Any sequence of characters enclosed in single quotes will be included + verbatim in the output string (stripped of the quotes), even if it contains + formatting characters. Two consecutive single quotes ("''") are replaced by + a single quote in the output. All other characters in the format string are + included verbatim in the output string. + + Formats without separators (e.g. "ddMM") are supported but must be used with + care, as the resulting strings aren't always reliably readable (e.g. if "dM" + produces "212" it could mean either the 2nd of December or the 21st of + February). Example format strings (assumed that the QDateTime is 21 May 2001 14:13:09.120): @@ -4448,7 +4465,7 @@ QDateTime QDateTime::currentDateTimeUtc() return QDateTime(d, t, Qt::UTC); } -qint64 QDateTime::currentMSecsSinceEpoch() Q_DECL_NOTHROW +qint64 QDateTime::currentMSecsSinceEpoch() noexcept { SYSTEMTIME st; memset(&st, 0, sizeof(SYSTEMTIME)); @@ -4459,7 +4476,7 @@ qint64 QDateTime::currentMSecsSinceEpoch() Q_DECL_NOTHROW - julianDayFromDate(1970, 1, 1)) * Q_INT64_C(86400000); } -qint64 QDateTime::currentSecsSinceEpoch() Q_DECL_NOTHROW +qint64 QDateTime::currentSecsSinceEpoch() noexcept { SYSTEMTIME st; memset(&st, 0, sizeof(SYSTEMTIME)); @@ -4491,7 +4508,7 @@ QDateTime QDateTime::currentDateTimeUtc() return fromMSecsSinceEpoch(currentMSecsSinceEpoch(), Qt::UTC); } -qint64 QDateTime::currentMSecsSinceEpoch() Q_DECL_NOTHROW +qint64 QDateTime::currentMSecsSinceEpoch() noexcept { // posix compliant system // we have milliseconds @@ -4500,7 +4517,7 @@ qint64 QDateTime::currentMSecsSinceEpoch() Q_DECL_NOTHROW return qint64(tv.tv_sec) * Q_INT64_C(1000) + tv.tv_usec / 1000; } -qint64 QDateTime::currentSecsSinceEpoch() Q_DECL_NOTHROW +qint64 QDateTime::currentSecsSinceEpoch() noexcept { struct timeval tv; gettimeofday(&tv, 0); @@ -5397,7 +5414,7 @@ uint qHash(const QDateTime &key, uint seed) Returns the hash value for the \a key, using \a seed to seed the calculation. */ -uint qHash(const QDate &key, uint seed) Q_DECL_NOTHROW +uint qHash(const QDate &key, uint seed) noexcept { return qHash(key.toJulianDay(), seed); } @@ -5408,7 +5425,7 @@ uint qHash(const QDate &key, uint seed) Q_DECL_NOTHROW Returns the hash value for the \a key, using \a seed to seed the calculation. */ -uint qHash(const QTime &key, uint seed) Q_DECL_NOTHROW +uint qHash(const QTime &key, uint seed) noexcept { return qHash(key.msecsSinceStartOfDay(), seed); } |