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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  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_XsdModelGroup_H
#define Patternist_XsdModelGroup_H

#include "qxsdparticle_p.h"
#include "qxsdterm_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

template<typename N> class QList;

namespace QPatternist
{
    /**
     * @short Represents a XSD model group object.
     *
     * This class represents the <em>model group</em> object of a XML schema as described
     * <a href="http://www.w3.org/TR/xmlschema11-1/#cModel_Group_Definitions">here</a>.
     *
     * It contains information from either a <em>sequence</em> object, a <em>choice</em> object or an
     * <em>all</em> object.
     *
     * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSModelGroup">XML Schema API reference</a>
     * @ingroup Patternist_schema
     * @author Tobias Koenig <tobias.koenig@nokia.com>
     */
    class XsdModelGroup : public XsdTerm
    {
        public:
            typedef QExplicitlySharedDataPointer<XsdModelGroup> Ptr;
            typedef QList<XsdModelGroup::Ptr> List;

            /**
             * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#mg-compositor">compositor</a> of the model group.
             */
            enum ModelCompositor
            {
                SequenceCompositor,     ///< The model group is a sequence.
                ChoiceCompositor,       ///< The model group is a choice.
                AllCompositor           ///< The model group contains elements only.
            };

            /**
             * Creates a new model group object.
             */
            XsdModelGroup();

            /**
             * Returns always @c true, used to avoid dynamic casts.
             */
            virtual bool isModelGroup() const;

            /**
             * Sets the @p compositor of the model group.
             *
             * @see ModelCompositor
             */
            void setCompositor(ModelCompositor compositor);

            /**
             * Returns the compositor of the model group.
             */
            ModelCompositor compositor() const;

            /**
             * Sets the list of @p particles of the model group.
             *
             * @see <a href="http://www.w3.org/TR/xmlschema11-1/#mg-particles">Particles Definition</a>
             */
            void setParticles(const XsdParticle::List &particles);

            /**
             * Returns the list of particles of the model group.
             */
            XsdParticle::List particles() const;

        private:
            ModelCompositor   m_compositor;
            XsdParticle::List m_particles;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif