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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtDeclarative module 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "private/qdeclarativeglobalscriptclass_p.h"
#include <QtCore/qstringlist.h>
#include <QtCore/qvector.h>
#include <QtScript/qscriptstring.h>
#include <QtScript/qscriptengine.h>
#include <QtScript/qscriptvalueiterator.h>
#include <private/qscriptdeclarativeclass_p.h>
QT_BEGIN_NAMESPACE
/*
Used to prevent any writes to the global object.
*/
QDeclarativeGlobalScriptClass::QDeclarativeGlobalScriptClass(QScriptEngine *engine)
: QScriptClass(engine)
{
QString eval = QLatin1String("eval");
QString version = QLatin1String("version");
QScriptValue originalGlobalObject = engine->globalObject();
QScriptValue newGlobalObject = engine->newObject();
{
QScriptValueIterator iter(originalGlobalObject);
QVector<QString> names;
QVector<QScriptValue> values;
QVector<QScriptValue::PropertyFlags> flags;
while (iter.hasNext()) {
iter.next();
QString name = iter.name();
if (name == version)
continue;
if (name != eval) {
names.append(name);
values.append(iter.value());
flags.append(iter.flags() | QScriptValue::Undeletable);
}
newGlobalObject.setProperty(iter.scriptName(), iter.value());
m_illegalNames.insert(name);
}
m_staticGlobalObject = QScriptDeclarativeClass::newStaticScopeObject(
engine, names.size(), names.constData(), values.constData(), flags.constData());
}
newGlobalObject.setScriptClass(this);
engine->setGlobalObject(newGlobalObject);
}
QScriptClass::QueryFlags
QDeclarativeGlobalScriptClass::queryProperty(const QScriptValue &object,
const QScriptString &name,
QueryFlags flags, uint *id)
{
Q_UNUSED(object);
Q_UNUSED(name);
Q_UNUSED(flags);
Q_UNUSED(id);
return HandlesWriteAccess;
}
void QDeclarativeGlobalScriptClass::setProperty(QScriptValue &object,
const QScriptString &name,
uint id, const QScriptValue &value)
{
Q_UNUSED(object);
Q_UNUSED(id);
Q_UNUSED(value);
QString error = QLatin1String("Invalid write to global property \"") +
name.toString() + QLatin1Char('\"');
engine()->currentContext()->throwError(error);
}
/* This method is for the use of tst_qdeclarativeecmascript::callQtInvokables() only */
void QDeclarativeGlobalScriptClass::explicitSetProperty(const QStringList &names, const QList<QScriptValue> &values)
{
Q_ASSERT(names.count() == values.count());
QScriptValue globalObject = engine()->globalObject();
QScriptValue v = engine()->newObject();
QScriptValueIterator iter(v);
while (iter.hasNext()) {
iter.next();
v.setProperty(iter.scriptName(), iter.value());
}
for (int ii = 0; ii < names.count(); ++ii) {
const QString &name = names.at(ii);
const QScriptValue &value = values.at(ii);
v.setProperty(name, value);
}
v.setScriptClass(this);
engine()->setGlobalObject(v);
}
QT_END_NAMESPACE
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