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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qqmlpropertycachecreator_p.h"
#include <private/qqmlengine_p.h>
QT_BEGIN_NAMESPACE
QAtomicInt QQmlPropertyCacheCreatorBase::classIndexCounter(0);
QMetaType QQmlPropertyCacheCreatorBase::metaTypeForPropertyType(QV4::CompiledData::BuiltinType type)
{
// TODO: we cannot depend on GUI types in declarative, so we'll have to do the id lookup
switch (type) {
case QV4::CompiledData::BuiltinType::Var: return QMetaType::fromType<QVariant>();
case QV4::CompiledData::BuiltinType::Int: return QMetaType::fromType<int>();
case QV4::CompiledData::BuiltinType::Bool: return QMetaType::fromType<bool>();
case QV4::CompiledData::BuiltinType::Real: return QMetaType::fromType<qreal>();
case QV4::CompiledData::BuiltinType::String: return QMetaType::fromType<QString>();
case QV4::CompiledData::BuiltinType::Url: return QMetaType::fromType<QUrl>();
case QV4::CompiledData::BuiltinType::Color: return QMetaType(QMetaType::QColor);
case QV4::CompiledData::BuiltinType::Font: return QMetaType(QMetaType::QFont);
case QV4::CompiledData::BuiltinType::Time: return QMetaType::fromType<QTime>();
case QV4::CompiledData::BuiltinType::Date: return QMetaType::fromType<QDate>();
case QV4::CompiledData::BuiltinType::DateTime: return QMetaType::fromType<QDateTime>();
case QV4::CompiledData::BuiltinType::Rect: return QMetaType::fromType<QRectF>();
case QV4::CompiledData::BuiltinType::Point: return QMetaType::fromType<QPointF>();
case QV4::CompiledData::BuiltinType::Size: return QMetaType::fromType<QSizeF>();
case QV4::CompiledData::BuiltinType::Vector2D: return QMetaType(QMetaType::QVector2D);
case QV4::CompiledData::BuiltinType::Vector3D: return QMetaType(QMetaType::QVector3D);
case QV4::CompiledData::BuiltinType::Vector4D: return QMetaType(QMetaType::QVector4D);
case QV4::CompiledData::BuiltinType::Matrix4x4: return QMetaType(QMetaType::QMatrix4x4);
case QV4::CompiledData::BuiltinType::Quaternion: return QMetaType(QMetaType::QQuaternion);
case QV4::CompiledData::BuiltinType::InvalidBuiltin: break;
};
return QMetaType {};
}
QByteArray QQmlPropertyCacheCreatorBase::createClassNameTypeByUrl(const QUrl &url)
{
const QString path = url.path();
int lastSlash = path.lastIndexOf(QLatin1Char('/'));
// Not a reusable type if we don't have an absolute Url
if (lastSlash <= -1)
return QByteArray();
// ### this might not be correct for .ui.qml files
const QStringView nameBase = QStringView{path}.mid(lastSlash + 1, path.length() - lastSlash - 5);
// Not a reusable type if it doesn't start with a upper case letter.
if (nameBase.isEmpty() || !nameBase.at(0).isUpper())
return QByteArray();
return nameBase.toUtf8() + "_QMLTYPE_" +
QByteArray::number(classIndexCounter.fetchAndAddRelaxed(1));
}
QByteArray QQmlPropertyCacheCreatorBase::createClassNameForInlineComponent(const QUrl &baseUrl, int icId)
{
QByteArray baseName = createClassNameTypeByUrl(baseUrl);
if (baseName.isEmpty())
baseName = QByteArray("ANON_QML_IC_") + QByteArray::number(classIndexCounter.fetchAndAddRelaxed(1));
baseName += "_" + QByteArray::number(icId);
return baseName;
}
QQmlBindingInstantiationContext::QQmlBindingInstantiationContext(int referencingObjectIndex, const QV4::CompiledData::Binding *instantiatingBinding,
const QString &instantiatingPropertyName, QQmlPropertyCache *referencingObjectPropertyCache)
: referencingObjectIndex(referencingObjectIndex)
, instantiatingBinding(instantiatingBinding)
, instantiatingPropertyName(instantiatingPropertyName)
, referencingObjectPropertyCache(referencingObjectPropertyCache)
{
}
bool QQmlBindingInstantiationContext::resolveInstantiatingProperty()
{
if (!instantiatingBinding || instantiatingBinding->type != QV4::CompiledData::Binding::Type_GroupProperty)
return true;
Q_ASSERT(referencingObjectIndex >= 0);
Q_ASSERT(referencingObjectPropertyCache);
Q_ASSERT(instantiatingBinding->propertyNameIndex != 0);
bool notInRevision = false;
instantiatingProperty = QQmlPropertyResolver(referencingObjectPropertyCache)
.property(instantiatingPropertyName, ¬InRevision,
QQmlPropertyResolver::IgnoreRevision);
return instantiatingProperty != nullptr;
}
QQmlRefPointer<QQmlPropertyCache> QQmlBindingInstantiationContext::instantiatingPropertyCache(QQmlEnginePrivate *enginePrivate) const
{
if (instantiatingProperty) {
if (instantiatingProperty->isQObject()) {
// rawPropertyCacheForType assumes a given unspecified version means "any version".
// There is another overload that takes no version, which we shall not use here.
return enginePrivate->rawPropertyCacheForType(instantiatingProperty->propType().id(),
instantiatingProperty->typeVersion());
} else if (const QMetaObject *vtmo = QQmlMetaType::metaObjectForMetaType(instantiatingProperty->propType())) {
return enginePrivate->cache(vtmo, instantiatingProperty->typeVersion());
}
}
return QQmlRefPointer<QQmlPropertyCache>();
}
void QQmlPendingGroupPropertyBindings::resolveMissingPropertyCaches(QQmlEnginePrivate *enginePrivate, QQmlPropertyCacheVector *propertyCaches) const
{
for (QQmlBindingInstantiationContext pendingBinding: *this) {
const int groupPropertyObjectIndex = pendingBinding.instantiatingBinding->value.objectIndex;
if (propertyCaches->at(groupPropertyObjectIndex))
continue;
if (!pendingBinding.resolveInstantiatingProperty())
continue;
auto cache = pendingBinding.instantiatingPropertyCache(enginePrivate);
propertyCaches->set(groupPropertyObjectIndex, cache);
}
}
QT_END_NAMESPACE
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