/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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**
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** additional rights. These rights are described in the Nokia Qt LGPL
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** 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
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****************************************************************************/

//
//  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_AnyItemType_H
#define Patternist_AnyItemType_H

#include "qatomictype_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{

    /**
     * @short Represents the <tt>item()</tt> item type.
     *
     * @ingroup Patternist_types
     * @author Frans Englich <fenglich@trolltech.com>
     */
    class AnyItemType : public ItemType
    {
    public:
        /**
         * @returns always "item()"
         */
        virtual QString displayName(const NamePool::Ptr &np) const;

        /**
         * @returns always @c true
         */
        virtual bool itemMatches(const Item &item) const;

        /**
         * @returns always 0, item() is the super type in the
         * XPath Data Model hierarchy
         */
        virtual ItemType::Ptr xdtSuperType() const;

        /**
         * @returns always @c false
         */
        virtual bool isNodeType() const;

        /**
         * @returns always @c false
         */
        virtual bool isAtomicType() const;

        /**
         * @returns always @c true
         */
        virtual bool xdtTypeMatches(const ItemType::Ptr &type) const;

        /**
         * @returns xs:anyAtomicType
         */
        virtual ItemType::Ptr atomizedType() const;

    protected:
        friend class BuiltinTypes;
        AnyItemType();
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif