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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant
#ifndef QV4SEQUENCEWRAPPER_P_H
#define QV4SEQUENCEWRAPPER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qglobal.h>
#include <QtCore/qvariant.h>
#include <QtQml/qqml.h>
#include <private/qv4referenceobject_p.h>
#include <private/qv4value_p.h>
#include <private/qv4object_p.h>
QT_BEGIN_NAMESPACE
namespace QV4 {
struct Sequence;
struct SequenceOwnPropertyKeyIterator;
struct Q_QML_EXPORT SequencePrototype : public QV4::Object
{
V4_PROTOTYPE(arrayPrototype)
void init();
static ReturnedValue method_valueOf(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue method_shift(const FunctionObject *b, const Value *thisObject, const Value *, int);
static ReturnedValue method_unshift(
const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue method_push(
const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue method_pop(
const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue method_getLength(
const FunctionObject *b, const Value *thisObject, const Value *, int);
static ReturnedValue method_setLength(
const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue newSequence(
QV4::ExecutionEngine *engine, QMetaType type, QMetaSequence metaSequence, const void *data,
Heap::Object *object, int propertyIndex, Heap::ReferenceObject::Flags flags);
static ReturnedValue fromVariant(QV4::ExecutionEngine *engine, const QVariant &vd);
static ReturnedValue fromData(
QV4::ExecutionEngine *engine, QMetaType type, QMetaSequence metaSequence, const void *data);
static QMetaType metaTypeForSequence(const Sequence *object);
static QVariant toVariant(const Sequence *object);
static QVariant toVariant(const Value &array, QMetaType targetType);
enum RawCopyResult
{
Copied,
WasEqual,
TypeMismatch
};
static void *rawContainerPtr(const Sequence *sequence, QMetaType typeHint);
static RawCopyResult setRawContainer(
Sequence *sequence, const void *container, QMetaType typeHint);
static RawCopyResult getRawContainer(
const Sequence *sequence, void *container, QMetaType typeHint);
};
namespace Heap {
struct Sequence : ReferenceObject
{
void init(QMetaType listType, QMetaSequence metaSequence, const void *container);
void init(QMetaType listType, QMetaSequence metaSequence, const void *container,
Object *object, int propertyIndex, Heap::ReferenceObject::Flags flags);
Sequence *detached();
void destroy();
void *storagePointer();
const void *storagePointer() const { return m_container; }
bool isStoredInline() const
{
if (isReference())
return true;
const QMetaType valueType = valueMetaType();
switch (valueType.id()) {
case QMetaType::QVariant:
case QMetaType::QVariantHash:
case QMetaType::QVariantMap:
case QMetaType::QVariantList:
case QMetaType::QObjectStar:
return false;
default:
break;
}
return !valueType.flags().testFlag(QMetaType::PointerToQObject);
}
bool isReadOnly() const { return m_object && !canWriteBack(); }
bool setVariant(const QVariant &variant);
QVariant toVariant() const;
QMetaType listType() const { return QMetaType(m_listType); }
QMetaType valueMetaType() const { return QMetaType(m_metaSequence->valueMetaType); }
QMetaSequence metaSequence() const { return QMetaSequence(m_metaSequence); }
private:
friend struct QV4::Sequence;
friend struct QV4::SequencePrototype;
friend struct QV4::SequenceOwnPropertyKeyIterator;
void initTypes(QMetaType listType, QMetaSequence metaSequence);
void createElementWrappers(const void *container);
void createInlineStorage(const void *container);
bool loadReference();
bool storeReference();
union {
void *m_container; // if stored inline
uint m_size; // if stored out of line
};
const QtPrivate::QMetaTypeInterface *m_listType;
const QtMetaContainerPrivate::QMetaSequenceInterface *m_metaSequence;
};
}
struct Q_QML_EXPORT Sequence : public QV4::ReferenceObject
{
V4_OBJECT2(Sequence, QV4::ReferenceObject)
Q_MANAGED_TYPE(V4Sequence)
V4_PROTOTYPE(sequencePrototype)
V4_NEEDS_DESTROY
public:
static QV4::ReturnedValue virtualGet(
const QV4::Managed *that, PropertyKey id, const Value *receiver, bool *hasProperty);
static qint64 virtualGetLength(const Managed *m);
static bool virtualPut(Managed *that, PropertyKey id, const QV4::Value &value, Value *receiver);
static bool virtualDeleteProperty(QV4::Managed *that, PropertyKey id);
static bool virtualIsEqualTo(Managed *that, Managed *other);
static QV4::OwnPropertyKeyIterator *virtualOwnPropertyKeys(const Object *m, Value *target);
static int virtualMetacall(Object *object, QMetaObject::Call call, int index, void **a);
};
}
#define QT_DECLARE_SEQUENTIAL_CONTAINER(LOCAL, FOREIGN, VALUE) \
struct LOCAL \
{ \
Q_GADGET \
QML_ANONYMOUS \
QML_SEQUENTIAL_CONTAINER(VALUE) \
QML_FOREIGN(FOREIGN) \
QML_ADDED_IN_VERSION(2, 0) \
}
// We use the original QT_COORD_TYPE name because that will match up with relevant other
// types in plugins.qmltypes (if you use either float or double, that is; otherwise you're
// on your own).
#ifdef QT_COORD_TYPE
QT_DECLARE_SEQUENTIAL_CONTAINER(QStdRealVectorForeign, std::vector<qreal>, QT_COORD_TYPE);
QT_DECLARE_SEQUENTIAL_CONTAINER(QRealListForeign, QList<qreal>, QT_COORD_TYPE);
#else
QT_DECLARE_SEQUENTIAL_CONTAINER(QRealStdVectorForeign, std::vector<qreal>, double);
QT_DECLARE_SEQUENTIAL_CONTAINER(QRealListForeign, QList<qreal>, double);
#endif
QT_DECLARE_SEQUENTIAL_CONTAINER(QDoubleStdVectorForeign, std::vector<double>, double);
QT_DECLARE_SEQUENTIAL_CONTAINER(QFloatStdVectorForeign, std::vector<float>, float);
QT_DECLARE_SEQUENTIAL_CONTAINER(QIntStdVectorForeign, std::vector<int>, int);
QT_DECLARE_SEQUENTIAL_CONTAINER(QBoolStdVectorForeign, std::vector<bool>, bool);
QT_DECLARE_SEQUENTIAL_CONTAINER(QStringStdVectorForeign, std::vector<QString>, QString);
QT_DECLARE_SEQUENTIAL_CONTAINER(QUrlStdVectorForeign, std::vector<QUrl>, QUrl);
#undef QT_DECLARE_SEQUENTIAL_CONTAINER
QT_END_NAMESPACE
#endif // QV4SEQUENCEWRAPPER_P_H