| Commit message (Collapse) | Author | Age | Files | Lines |
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The macro was made empty in ba3dc5f3b56d1fab6fe37fe7ae08096d7dc68bcb
and is no longer necessary or used.
Discussed-on: http://lists.qt-project.org/pipermail/development/2013-January/009284.html
Change-Id: Id2bb2e2cabde059305d4af5f12593344ba30f001
Reviewed-by: Laszlo Papp <lpapp@kde.org>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>
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Change-Id: Ic804938fc352291d011800d21e549c10acac66fb
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Change copyrights and license headers from Nokia to Digia
Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
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QArrayData can point to data it does not own (cf. fromRawData()), which
shouldn't be modified. Not even upon destruction, as this data can live
in Read-Only memory or be otherwise shared outside the QArrayData realm.
Change-Id: I8bdf3050a17802fb003b77d5f543fe31769a7710
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Andreas Hartmetz <ahartmetz@gmail.com>
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While QArrayDataPointer offers generic detach() functionality, this is
only useful for operations that may modify data, but don't otherwise
affect the container itself, such as non-const iteration, front() and
back().
For other modifying operations, users of the API typically need to
decide whether a detach is needed based on QArrayData's requirements
(is data mutable? is it currently shared?) and its own (do we have
spare capacity for growth?).
Now that data may be shared, static or otherwise immutable (e.g.,
fromRawData) it no longer suffices to check the ref-count for
isShared().
This commit adds needsDetach() which, from the point-of-view of
QArrayData(Pointer), answers the question: 'Can contained data and
associated metadata be changed?'.
This fixes QArrayDataPointer::setSharable for static data (e.g.,
Q_ARRAY_LITERAL), previously it only catered to shared_null.
SimpleVector is also fixed since it wasn't checking Mutability and it
needs to because it supports fromRawData().
Change-Id: I3c7f9c85c83dfd02333762852fa456208e96d5ad
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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This follows QArrayData::detachFlags's lead. Given the (known) size for
a detached container, the function helps determine capacity, ensuring
the capacityReserved flag is respected.
This further helps aggregating behaviour on detach in QArrayData itself.
SimpleVector was previously using qMax(capacity(), newSize), but there's
no reason to pin the previous capacity value if reserve() wasn't
requested. It now uses detachCapacity().
Change-Id: Ide2d99ea7ecd2cd98ae4c1aa397b4475d09c8485
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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I love how this magically makes SimpleVector move-aware :-)
Change-Id: I5cb75954d70cf256863c33e684ebc4551ac94f87
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
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The macro was made empty in 4ecf82795de54fba530ac9c386f3afff2174edbd,
and is no longer necessary or used.
Change-Id: If000ff51729e41bdcd1b0409961cf94d50e5f172
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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- Updated copyright year, per 1fdfc2abfe1fa26b86028934d4853432e25b4655
- Updated contact information, 629d6eda5cf67122776981de9073857bbc3dcba2
- Drop "All rights reserved", 5635823e17db3395d9b0fa8cfcc72f82fea583f4
(Empty line added to maintain license header line count)
Change-Id: Ie401e2b6e40a4b79f4191377dd50dc60be801e1f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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There isn't a good reason to impose the additional library call and
using the shared null here matches existing behavior in QByteArray,
QString and QVector.
Change-Id: Idd0bb9c7411db52630402534a11d87cbf2b1e7ba
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
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This is done through a (POD) wrapper around a raw QTypedArrayData
pointer. The wrapper forces conscious decisions on the use of that
pointer, while implying it is internal API.
The pointed-to header is assumed to referenced, as if already owned by
the receiving QArrayDataPointer.
This wrapper is placed in the generic qarraydata.h header as its
definition doesn't depend on QArrayDataPointer by itself.
Change-Id: I9b2b6bb7dd9ab073dc7d882ccf999b32d793ed3f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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The behavior of Q_CHECK_PTR is user-configurable. It may throw and
exception, output a warning or be a no-op. As such, its best used in
inline code that gets compiled into the user application.
Moving it out of the QArrayData API also enables this to be used in code
that must handle out-of-memory errors without crashing or otherwise
issuing warnings.
Putting in QArrayDataPointer gives good convenience coverage for those
who are implementing containers on top of the QArrayData stack, and
covers its use in the SimpleVector test case. It intentionally leaves
out the use of allocate to access the (hidden) shared-empties which
don't really allocate, anyway (in QArrayDataPointer::clear and
setSharable).
The autotest is not updated and will have to make do without the
Q_CHECK_PTR "protection". I think that is ok.
Change-Id: Idcad909903a9807866bf23ace89f1bf1edc53c3b
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Change-Id: Id3e7c748b4b40d703ad1785c903c96bdd968390e
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
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By default, QTypedArrayData::fromRawData provides the same semantics as
already exist in QByteArray and QString (immutable, sharable data), but
more combinations are possible. In particular, immutable-unsharable
leaves the data owner in control of its lifetime by forcing deep copies.
As part of this, a new isMutable property is introduced in QArrayData.
This could be taken to be implicit in statics that are initialized with
a proper size but with alloc set to 0. QStringLiteral and QByteLiteral
already did this, forcing re-allocations on resize even before the
(static, thus shared) ref-count is considered.
The isMutable property detaches data mutability and shared status, which
are orthogonal concepts (at least in the unshared state). For the time
being, there is no API to explicitly (re)set mutability, but statics and
RawData mark data immutable.
Change-Id: I33a995a35e1c3d7a12391b1d7c36095aa28e221a
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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This approach is better for future ABI evolution than using individual
bool parameters. QArrayData now also offers to calculate allocate
options for typical detach and clone operations: the CapacityReserved
flag is preserved, while cloning resets the Unsharable state.
Change-Id: I256e135adcf27a52a5c7d6130069c35c8b946bc3
Reviewed-by: João Abecasis <joao.abecasis@nokia.com>
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They still exist and help avoid allocation of "empty" array headers, but
they're no longer part of the public API, thus reducing relocatable
symbols and relocations in inline code.
This means an extra non-inline call on QArrayDataPointer::clear and
setSharable operations, which are (expensive) detaching operations,
anyway.
Change-Id: Iea804e5ddc8af55ebc0951ca17a7a4e8401abc55
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Making use of the same feature added in RefCount.
To keep with the intention of avoiding the allocation of "empty" array
headers, this introduces an unsharable_empty, which allows users to
maintain the "unsharable bit" on empty containers, without imposing any
actual allocations.
(Before anyone asks, there is no point to a zero-sized capacity-reserved
container so no other combinations are needed for now.)
Change-Id: Icaa40ac3100ad954fdc20dee0c991861136a5b19
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
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Detaching operations added to SimpleVector
Change-Id: I5f549582cf579569f08cb8d53a6d12fe32b862e6
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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This class provides RAII functionality for handling QArrayData pointers.
Together with QArrayDataHeader and QArrayDataOps, this offers common
boilerplate code for implementing a container which, itself, defines its
own interface.
Change-Id: If38eba22fbe8f69038a06fff4acb50af434d229e
Reviewed-by: Bradley T. Hughes <bradley.hughes@nokia.com>
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