diff options
author | Liang Qi <liang.qi@theqtcompany.com> | 2015-04-22 15:04:42 +0200 |
---|---|---|
committer | Liang Qi <liang.qi@theqtcompany.com> | 2015-04-22 15:32:19 +0200 |
commit | 07782f48f4318a7261f1b0ddcd686b19ec812e36 (patch) | |
tree | 3fa2aa3a1170ad7ebaf5b1641cdce19a941ca480 /src/qml/jsruntime/qv4arraybuffer.cpp | |
parent | 50fcdfd705c2ad9560641986bf4152b017ee8bb6 (diff) | |
parent | f15a90e5d10465e66698209a5d88f1e63ae336fa (diff) |
Merge remote-tracking branch 'origin/5.5' into dev
Conflicts:
src/qml/qml/qqmlbinding.cpp
src/qml/jsruntime/qv4arraybuffer.cpp
src/qml/jsruntime/qv4functionobject.cpp
Change-Id: Ic752e9dfd69b282093651c9234c110a49762f06d
Diffstat (limited to 'src/qml/jsruntime/qv4arraybuffer.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4arraybuffer.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4arraybuffer.cpp b/src/qml/jsruntime/qv4arraybuffer.cpp index 432d70f151..145e400c20 100644 --- a/src/qml/jsruntime/qv4arraybuffer.cpp +++ b/src/qml/jsruntime/qv4arraybuffer.cpp @@ -95,6 +95,13 @@ Heap::ArrayBuffer::ArrayBuffer(ExecutionEngine *e, size_t length) memset(data->data(), 0, length + 1); } +Heap::ArrayBuffer::ArrayBuffer(ExecutionEngine *e, const QByteArray& array) + : Heap::Object(e->emptyClass, e->arrayBufferPrototype.as<QV4::Object>()) + , data(const_cast<QByteArray&>(array).data_ptr()) +{ + data->ref.ref(); +} + Heap::ArrayBuffer::~ArrayBuffer() { if (!data->ref.deref()) @@ -108,6 +115,25 @@ QByteArray ArrayBuffer::asByteArray() const return QByteArray(ba); } +void ArrayBuffer::detach() { + if (!d()->data->ref.isShared()) + return; + + QTypedArrayData<char> *oldData = d()->data; + + d()->data = QTypedArrayData<char>::allocate(oldData->size + 1); + if (!d()->data) { + engine()->throwRangeError(QStringLiteral("ArrayBuffer: out of memory")); + return; + } + + memcpy(d()->data->data(), oldData->data(), oldData->size + 1); + + if (!oldData->ref.deref()) + QTypedArrayData<char>::deallocate(oldData); +} + + void ArrayBufferPrototype::init(ExecutionEngine *engine, Object *ctor) { Scope scope(engine); |