/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQMLSCRIPTSTRING_H
#define QQMLSCRIPTSTRING_H

#include <QtQml/qtqmlglobal.h>
#include <QtCore/qstring.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qmetatype.h>

QT_BEGIN_NAMESPACE


class QObject;
class QQmlContext;
class QQmlScriptStringPrivate;
class QQmlObjectCreator;
namespace QV4 {
    struct QObjectWrapper;
}
class Q_QML_EXPORT QQmlScriptString
{
public:
    QQmlScriptString();
    QQmlScriptString(const QQmlScriptString &);
    ~QQmlScriptString();

    QQmlScriptString &operator=(const QQmlScriptString &);

    bool operator==(const QQmlScriptString &) const;
    bool operator!=(const QQmlScriptString &) const;

    bool isEmpty() const;

    bool isUndefinedLiteral() const;
    bool isNullLiteral() const;
    QString stringLiteral() const;
    qreal numberLiteral(bool *ok) const;
    bool booleanLiteral(bool *ok) const;

private:
    QQmlScriptString(const QString &script, QQmlContext *context, QObject *scope);
    QSharedDataPointer<QQmlScriptStringPrivate> d;

    friend class QQmlObjectCreator;
    friend class QQmlScriptStringPrivate;
    friend class QQmlExpression;
    friend class QQmlBinding;
    friend struct QV4::QObjectWrapper;
};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QQmlScriptString)

#endif // QQMLSCRIPTSTRING_H

