| Commit message (Collapse) | Author | Age | Files | Lines |
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Change from storing the date and time as QDate and QTime to a serialised
msecs format. This format is a direct translation of the QDate and
QTime values, it is not the actual msecs since the Unix epoch. This
msecs format ensures we are always able to recreate the original QDate
and QTime values, but should still simplify the code and improve
performance.
Because we no longer store the explicit date and time we need to store
their isNull()/isValid() status separately.
The changes in storage results in the same memory footprint as before.
Note that this change does not optimize the code nor set out to fix the
known bugs, it only seeks to maintain the current behavior, although
some bugs are fixed implicitly. More bug fixes and optimizations will
follow.
[ChangeLog][Important Behavior Changes] The supported date range in
QDateTime has been reduced to about +/- 292 million years, the range
supported by the number of msecs since the Unix epoch of 1 Jan 1970
as stored in a qint64, and as able to be used in the
setMSecsSinceEpoch() and toMSecsSinceEpoch() methods.
Change-Id: I98804d8781909555d3313a3a7080eb8e70cb46ad
Reviewed-by: Sérgio Martins <sergio.martins@kdab.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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I didn't dig deeper to check where the additional reference came from,
but tracing confirmed that the QSharedDataPointer<QLocalePrivate>::detach()
call is gone with this change.
Background:
QString::vsprintf is used in the logging framework, and as such shouldn't
waste any memory. It's currently anyway unusable from, say, signal handlers,
but this is low-hanging fruit that shaves off one of the dozen or so
memory allocations involved in a simple qFatal() call.
Change-Id: I19fa2148f669dfc7b5f276221151e25a4348cbfe
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
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Change-Id: I1c9d6904eecd499ca8c2b744e8ac60696f40c20f
Reviewed-by: Andrew Knight <andrew.knight@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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It apparently breaks users' applications.
Task-number: QTBUG-33487
Change-Id: Iaeceb3a02b5c7b9ab839c14693aaffcdf9394bc6
Reviewed-by: John Layt <jlayt@kde.org>
Reviewed-by: hjk <hjk121@nokiamail.com>
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root(), leftNode() and rightNode() can be nullptr.
These pieces of code happened to work because the first thing lowerBound()
does is
Node *n = this;
// ...
while (n)
// ...
But that is _after_ dereferencing nullptr, which is undefined behavior.
So, check first, then deref.
This is the completion of I9137bf6e21014cd68404a7e49a748910b1d768cf:
all uses of root(), leftNode() and rightNode() have now been manually checked.
Change-Id: I3fcb958af9362104f94d6eea9c62da2ae07f1d5e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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root(), leftNode() and rightNode() can be nullptr.
These pieces of code happened to work because the first thing lowerBound()
does is
Node *n = this;
// ...
while (n)
// ...
But that is _after_ dereferencing nullptr, which is undefined behavior.
So, check first, then deref.
Change-Id: I9137bf6e21014cd68404a7e49a748910b1d768cf
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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We don't have CoreServices on iOS, which hosts the UC* APIs.
Change-Id: I95b1b173e57665c2fc2cdc1701f8ad57cdc0e567
Reviewed-by: James Turner <james.turner@kdab.com>
Reviewed-by: Aleix Pol Gonzalez <aleixpol@kde.org>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: I8fbf1f8b0ebfdf58cd72c724326227dc1610e746
Reviewed-by: John Layt <jlayt@kde.org>
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Change-Id: Ic31fa667bdc746776d8e29564ea8a1ba6e7384f3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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After a bit of discussion, we should actually deprecate qBinaryFind too.
This puts the old code back (to avoid behavior changes / source
breaks).
This reverts commit 23d7f6ee5dea3dd9f47f4ab538b25dc0ffe3df92.
Task-number: QTBUG-33473
Change-Id: I7f7d25171e14061e51543c501c30a7b6b184a8fd
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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On 64-bit platforms, with unaligned loads, this is defintely an
improvement since we can run fewer instructions. On 32-bit platforms
with unaligned loads, we'll do the exact same number of loads. On
platforms without unaligned loads, it's no worse.
Change-Id: Idd5dd5213975d77bbc3adf486adbf6f8ef071341
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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For platforms where the CPU can do unaligned loads on its own, like
x86, the compiler will generate actual loads. On other CPUs, it will
do the byte-by-byte load like we were doing. The compiler cannot
generate worse code than our hand-rolled load, so this change can only
improve performance.
Change-Id: I32a89e64aa64d8af504be6c5a10b04d7573cdb98
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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Change storing the spec from QDateTimePrivate::Spec to Qt::TimeSpec.
Remove the storage and use of the Daylight Status as it is almost
never set or used, and would be inaccurate if the tz were to change.
It will be replaced later with proper daylight transition support.
This simplifies the code and makes the msecs storage change easier.
Change-Id: I78a70905025d7eddf1c2dc6001f6b490e5a2b3b8
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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A number of QDateTime functions directly use or modify the data stored
in the private, but future changes to store msecs and status make this
maintenance more complicated. Where possible simplify this code to use
the standard msecs functions, standard constructors, or public api
instead. This greatly simplifies the functions and the following msecs
storage code changes.
This is an intermim step towards storing the time in msecs. Some
functions will be slower as a result of this change, optimization
will take place after all the msecs changes are completed.
Note this also removes a test that used valid QDates outside the range
of msecs, this change in behavior will be documented in the final
mscs change.
Change-Id: I6ef710f24babc7024091010064082e9be0b5bbfe
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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The "base64url" encoding is defined in RFC 4648, which is the newest
version of Base64. There are also a few situations where the ending
'=' is not desired.
Change-Id: I9bb9fa55817b57d125189e4e795d6fde97caea6d
Reviewed-by: Richard J. Moore <rich@kde.org>
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The code must have been copied from somewhere, a sample
implementation.
Change-Id: Ieb6ac5d69824fe8a3f38710a22beb79ac986e182
Reviewed-by: Richard J. Moore <rich@kde.org>
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Add new public api to get and set the number of msecs since the start
of the day. Modify QDateTime to use the new msecs api.
[ChangeLog][QtCore][QTime] Added new methods fromMSecsSinceStartOfDay()
to create a new QTime from an msecs value, and msecsSinceStartOfDay()
to return the QTime as the number of msecs since the start of the day.
Change-Id: I285b725b883f1f5524fda87ca81bd64ed99fe6f4
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
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Ever since 76e0223619da02911d02813961ef631a5e02d826, qPopulationCount
was extracted from QBitArray and moved elsewhere. That unfortunately
meant that the 24-bit loads are completely useless, since
qPopulationCount always operates on 32 bits.
Instead, do a full loop on 32-bit and then do 16-bit and finally 8-bit
(for which there are qPopulationCount overloads).
Change-Id: If945609f075095257d12877c39434909ac190e54
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
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These structures do not need to be packed. With some compilers, Q_PACKED
was defined to be empty, which means that the code was working fine
without packing. Or there were some lingering problems on those
platforms (MSVC) and we're now exposing them in all platforms.
Actually, it shouldn't be a problem anywhere. QCharAttributes, quint24
and QFontEngineQPA::Glyph have only char/uchar members, so they're
packed already (they have alignof == 1). The only platform where that
wasn't true was ARM OABI, which we don't support anymore.
QFontEngineQPA::Header seems to always come from a QByteArray, so it
doesn't neeed to be packed either. However, just to be sure, I'm
inserting a check for alignment.
And QFontEngineQPA::Block isn't used anywhere.
Change-Id: Iacfa25edf336ef2a03aeb6e40ae90937a21661ae
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
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This is a simple optimisation allowed to us by the fact that all platforms
we run on use two's complement for the signed integers. The trick works as
long as one of the two signed integers is known beforehand to be
non-negative:
- by definition, for any signed integer i, i <= INT_MAX
- by definition, for any unsigned integer u, u >= 0
- given a signed integer x >= 0, 0U <= uint(x) <= uint(INT_MAX)
- therefore, given another signed integer y of whatever
value, uint(x) < uint(y) ←→ x < y && y >= 0
The trick is an optimisation because the compiler doesn't know that one of
the two sides is always non-negative. Otherwise, it would do the
same optimisation.
Change-Id: If256ec0df4e06335805af8010bb67ce5fd3e065a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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So far we've known that we want QCollator as public API. It hasn't
been possible yet due to the strong dependency that QCollator used
to have on ICU.
This patch adds collation support for the platforms where ICU is not
the best option by using native collation API. Namely Windows and
Mac OS X.
Additionally a fallback POSIX back-end is added, so that we can make
sure it will work on any posix-compliant platform.
Change-Id: Ia1734acbf5f596698a81f2af927cc15636e4c908
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Propose the API to be changed so that we can implement QCollator in the
different platforms where Qt is available.
Change-Id: I7b3e933d7e3d1aa26c1b78d21ef75b71c692827f
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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The class missed the feature freeze for Qt 5.0, but has been ready
for quite a while. So make it public in time for Qt 5.2.
Change-Id: I9ac3f579ff5e371925fad40684762fff7ee4abd8
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html
Change-Id: I5f7c2a6b3588a07113061c018e2870f476bea5a7
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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New functions left, right, mid were missing in the api.
Change-Id: I3590a84431555d009d5012b204c111385bdceed3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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refs/staging/dev
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Change-Id: I9ee4176f0a0078908d49896508826154c9f71530
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MSVC doesn't like operator->() returning a pointer to
non-aggregate. So we must make sure that the expanded code does not
try to call it by doing:
abegin->~T();
Instead, we make an implicit call to operator T*() with that
static_cast<T* >. If abegin is a non-strict iterator, it's already
a T*, so the static_cast is a no-op.
qvector.h(645) : error C2839: invalid return type 'int *' for overloaded 'operator ->'
Change-Id: I06f983bab7677cb60ef3913cdce349e26896bfb6
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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The information is explaining implementation details rather than
on how to use it effectively. The size limit of QByteArray may
vary depending on available memory.
Task-number: QTBUG-33037
Change-Id: I361316422ade3624a0c2864d93f87caeb654f4d7
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Based on feedback from Thiago.
Change-Id: I9a3ce0b90b5d1d680c66351d421874effbd426f8
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Based on feedback from Thiago
Change-Id: I8912447197e636732e5b8ac37e77d18b54e9b43d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Change-Id: I48a278acf3a8eb0cfa829deb65cf65dfd8ec23af
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html
Change-Id: Ib667321884b2f06de6f440f2b8e329361f926ce1
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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Not strictly needed yet, but helps to reduce the size of QDateTime and
make it easier to read a major re-write. Imposes separation of parser
which will be needed if we make QLocale always use the system backends,
after which only QDateTimeEdit widget will need the parser and it can
be moved there.
Change-Id: I6a5e9a3edf6fe8ff2340af6afecd8ba4bfde9dd4
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
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QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html
Change-Id: I38d220142d4f5e580503cc10f804e0d16f418cc1
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
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QMap explicitly sorts its entries by key value. For an ordered container
it's (often?) useful to access the first or last entry, for instance to
quickly compute the next key of the mapping. The first entry is easily
accessible by the STL begin() method, but for accessing the last entry
pretty ugly iterator arithmetics must be applied: *(end() - 1). With
their first() and last() accessors the container classes QList and
QVector provide a much nicer method of accessing extrema, so for
consistency this syntactical sugar also should be applied to QMap.
Change-Id: Ibd544acbad8c3ac16f12a1e74362207ea1694375
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Thorbjørn Lund Martsum <tmartsum@gmail.com>
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qBinaryFind is not going to be deprecated now. This commits prepares
the deprecation of the qLowerBound function.
Change-Id: I6131582c981c151d632ad44305fe602c76735e14
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Change the debug format from Qt::TextDate to a more detailed ISO style
format including better time spec output.
[ChangeLog][QtCore][QDateTime] The debug datastream is now an ISO-like
format instead of Qt::TextDate
Change-Id: Iddbb8199c3bfbf7bca845482617e7a85da43259d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Clarify the documentation with regard to what locale is used for names,
fix missing hour, timezone and am/pm format code details.
Change-Id: Ic2d507a89a005427bba0df6368364b47bcf58756
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Clean-up the implementation of toString() and fromString() methods in
QDate, QTime and QDateTime code to be more consistent in ISODate and
TextDate behavior, especially when handling TimeSpec.
Reformat some code so all methods are consistent in appearance and
function to make maintenance easier.
This changes some corner-case behavior in TextDate and ISODate, but
this either fixes bugs or makes the behavior match the documentation.
Change-Id: I457aa1d7cd4f448cd9f8a2e80ec635f3cb98e58c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
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The limit on formatting a year outside the range 0 to 9999 only applies
to Qt::ISODate formatting, not to general date formatting.
Change-Id: Ifc971961412c190d721f23627982283e13d526b6
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Switch the implementation of toString() methods in QDate, QTime and
QDateTime to use the QLocale formatter, and remove the now redundant
QDateTime formatter.
Change-Id: Ie4f17c8a6e31acde3ce066f19835bb2b83351ce8
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
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Modify the QLocale date formatter to be consistent with the QDateTime
date formatter and able to replace the QDateTime formatter in a
subsequent change.
Fix the treatment of negative years.
The internal QLocale::timeZone() has been replaced by the
QDateTime::timeZoneAbbreviation() to ensure the correct tz for the
date/time is used rather than always the current system default.
Change-Id: I2ef26700856e2e69b979069226aa504ecbb50071
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
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This reverts commit 5b9006bbdba7dcab01b8e640554a7d7a4b64f76b.
Also revert "Doc: Enable documentation for QScopedPointer's rvalue ref functions"
This reverts commit 5f8416ec659b134db90df7e7f857db77fd27b6ab.
Adding a move contructor to QScopedPointer makes no sense, because moving
means 'escaping the scope', which breaks the fundamental point of
QScopedPointer.
Change-Id: I4ac1b108bf199af6e436fa1629aa2d3b93c27724
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change-Id: I7c6225c54a863f29aa747caf2f57303b2bf6c398
Reviewed-by: John Layt <jlayt@kde.org>
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html
Change-Id: I00f5a2bf96e969b85d63479bab6497d6e1bd17b1
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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QtAlgorithms is getting deprecated,
see http://www.mail-archive.com/development@qt-project.org/msg01603.html
Change-Id: I854f64ebd6d83718b1bcb3c70a1697e38243296c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Add a new method to return the time zone abbreviation for the current
time spec. For LocalTime this is the abbreviation returned by mktime.
This new method will later be used in changes to the date formatter
and QTimeZone.
Note this change does not implement WinCE support.
[ChangeLog][QtCore][QDateTime] Add method timeZoneAbbreviation() to
return effective time zone abbreviation.
Change-Id: I265a5e96c72eb7236974f80f053f1fb341e3c816
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
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refs/staging/dev
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Conflicts:
examples/widgets/doc/src/addressbook-fr.qdoc
Change-Id: Id1196e8e0c6445f1616c3f29234c974d809f8e48
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