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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns 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
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  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_XsdParticle_H
#define Patternist_XsdParticle_H

#include "qnamedschemacomponent_p.h"
#include "qxsdterm_p.h"

#include <QtCore/QList>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Represents a XSD particle object.
     *
     * This class represents the <em>particle</em> object of a XML schema as described
     * <a href="http://www.w3.org/TR/xmlschema11-1/#cParticles">here</a>.
     *
     * It contains information about the number of occurrence and a reference to
     * either an <em>element</em> object, a <em>group</em> object or an <em>any</em> object.
     *
     * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSParticle">XML Schema API reference</a>
     * @ingroup Patternist_schema
     * @author Tobias Koenig <tobias.koenig@trolltech.com>
     */
    class XsdParticle : public NamedSchemaComponent
    {
        public:
            typedef QExplicitlySharedDataPointer<XsdParticle> Ptr;
            typedef QList<XsdParticle::Ptr> List;

            /**
             * Creates a new particle object.
             */
            XsdParticle();

            /**
             * Sets the minimum @p occurrence of the particle.
             *
             * @see <a href="http://www.w3.org/TR/xmlschema11-1/#p-min_occurs">Minimum Occurrence Definition</a>
             */
            void setMinimumOccurs(unsigned int occurrence);

            /**
             * Returns the minimum occurrence of the particle.
             */
            unsigned int minimumOccurs() const;

            /**
             * Sets the maximum @p occurrence of the particle.
             *
             * @see <a href="http://www.w3.org/TR/xmlschema11-1/#p-max_occurs">Maximum Occurrence Definition</a>
             */
            void setMaximumOccurs(unsigned int occurrence);

            /**
             * Returns the maximum occurrence of the particle.
             *
             * @note This value has only a meaning if maximumOccursUnbounded is @c false.
             */
            unsigned int maximumOccurs() const;

            /**
             * Sets whether the maximum occurrence of the particle is unbounded.
             *
             * @see <a href="http://www.w3.org/TR/xmlschema11-1/#p-max_occurs">Maximum Occurrence Definition</a>
             */
            void setMaximumOccursUnbounded(bool unbounded);

            /**
             * Returns whether the maximum occurrence of the particle is unbounded.
             */
            bool maximumOccursUnbounded() const;

            /**
             * Sets the @p term of the particle.
             *
             * The term can be an element, a model group or an element wildcard.
             *
             * @see <a href="http://www.w3.org/TR/xmlschema11-1/#p-term">Term Definition</a>
             */
            void setTerm(const XsdTerm::Ptr &term);

            /**
             * Returns the term of the particle.
             */
            XsdTerm::Ptr term() const;

        private:
            unsigned int m_minimumOccurs;
            unsigned int m_maximumOccurs;
            bool         m_maximumOccursUnbounded;
            XsdTerm::Ptr m_term;
    };
}

QT_END_NAMESPACE

QT_END_HEADER

#endif