mirror of
https://github.com/Gator96100/ProxSpace.git
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148 lines
4.1 KiB
C++
148 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtQml module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QJSENGINE_H
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#define QJSENGINE_H
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#include <QtCore/qmetatype.h>
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#include <QtCore/qvariant.h>
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#include <QtCore/qsharedpointer.h>
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#include <QtCore/qobject.h>
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#include <QtQml/qjsvalue.h>
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QT_BEGIN_NAMESPACE
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class QV8Engine;
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template <typename T>
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inline T qjsvalue_cast(const QJSValue &);
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class QJSEnginePrivate;
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class Q_QML_EXPORT QJSEngine
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: public QObject
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{
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Q_OBJECT
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public:
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QJSEngine();
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explicit QJSEngine(QObject *parent);
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virtual ~QJSEngine();
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QJSValue globalObject() const;
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QJSValue evaluate(const QString &program, const QString &fileName = QString(), int lineNumber = 1);
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QJSValue newObject();
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QJSValue newArray(uint length = 0);
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QJSValue newQObject(QObject *object);
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template <typename T>
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inline QJSValue toScriptValue(const T &value)
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{
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return create(qMetaTypeId<T>(), &value);
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}
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template <typename T>
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inline T fromScriptValue(const QJSValue &value)
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{
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return qjsvalue_cast<T>(value);
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}
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void collectGarbage();
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#if QT_DEPRECATED_SINCE(5, 6)
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QT_DEPRECATED void installTranslatorFunctions(const QJSValue &object = QJSValue());
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#endif
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enum Extension {
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TranslationExtension = 0x1,
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ConsoleExtension = 0x2,
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GarbageCollectionExtension = 0x4,
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AllExtensions = 0xffffffff
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};
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Q_DECLARE_FLAGS(Extensions, Extension)
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void installExtensions(Extensions extensions, const QJSValue &object = QJSValue());
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QV8Engine *handle() const { return d; }
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private:
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QJSValue create(int type, const void *ptr);
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static bool convertV2(const QJSValue &value, int type, void *ptr);
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friend inline bool qjsvalue_cast_helper(const QJSValue &, int, void *);
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protected:
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QJSEngine(QJSEnginePrivate &dd, QObject *parent = Q_NULLPTR);
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private:
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QV8Engine *d;
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Q_DISABLE_COPY(QJSEngine)
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Q_DECLARE_PRIVATE(QJSEngine)
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friend class QV8Engine;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QJSEngine::Extensions)
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inline bool qjsvalue_cast_helper(const QJSValue &value, int type, void *ptr)
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{
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return QJSEngine::convertV2(value, type, ptr);
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}
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template<typename T>
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T qjsvalue_cast(const QJSValue &value)
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{
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T t;
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const int id = qMetaTypeId<T>();
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if (qjsvalue_cast_helper(value, id, &t))
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return t;
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else if (value.isVariant())
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return qvariant_cast<T>(value.toVariant());
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return T();
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}
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template <>
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inline QVariant qjsvalue_cast<QVariant>(const QJSValue &value)
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{
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return value.toVariant();
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}
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Q_QML_EXPORT QJSEngine *qjsEngine(const QObject *);
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QT_END_NAMESPACE
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#endif // QJSENGINE_H
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