/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  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.

#ifndef Patternist_QNameValue_H
#define Patternist_QNameValue_H

#include <private/qitem_p.h>
#include <QXmlName>

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Implements the value instance of the @c xs:QName type.
     *
     * @author Frans Englich <frans.englich@nokia.com>
     * @ingroup Patternist_xdm
     * @see QNameConstructor::expandQName()
     * @see XPathHelper::isQName()
     * @see QXmlUtils
     */
    class QNameValue : public AtomicValue
    {
    public:
        friend class CommonValues;
        friend class QNameComparator;

        typedef QExplicitlySharedDataPointer<QNameValue> Ptr;

        /**
         * Constructs a QNameValue that represents @p name.
         *
         * @param name the QName. May not be @c null.
         * @param np the NamePool.
         * @see QNameConstructor::expandQName()
         * @see XPathHelper::isQName()
         * @see QXmlUtils
         */
        static QNameValue::Ptr fromValue(const NamePool::Ptr &np, const QXmlName name);

        virtual QString stringValue() const;

        virtual ItemType::Ptr type() const;

        inline QXmlName qName() const
        {
            return m_qName;
        }

    private:
        QNameValue(const NamePool::Ptr &np, const QXmlName name);

        const QXmlName         m_qName;
        const NamePool::Ptr m_namePool;
    };
}

QT_END_NAMESPACE

#endif
