/****************************************************************************+
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**+
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** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists purely as an+
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// implementation detail.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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+
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#ifndef Patternist_XsdReference_H+
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#define Patternist_XsdReference_H+
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+
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#include "qxsdterm_p.h"+
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+
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#include <QtXmlPatterns/QSourceLocation>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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namespace QPatternist+
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{+
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    /**+
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     * @short A helper class for element and group reference resolving.+
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     *+
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     * For easy resolving of element and group references, we have this class+
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     * that can be used as a place holder for the real element or group+
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     * object it is referring to.+
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     * So whenever the parser detects an element or group reference, it creates+
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     * a XsdReference and returns it instead of the XsdElement or XsdModelGroup.+
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     * During a later phase, the resolver will look for all XsdReferences+
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     * in the schema and will replace them with their referring XsdElement or+
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     * XsdModelGroup objects.+
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     *+
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     * @ingroup Patternist_schema+
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     * @author Tobias Koenig <tobias.koenig@nokia.com>+
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     */+
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    class XsdReference : public XsdTerm+
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    {+
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        public:+
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            typedef QExplicitlySharedDataPointer<XsdReference> Ptr;+
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+
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            /**+
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             * Describes the type of the reference.+
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             */+
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            enum Type+
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            {+
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                Element,        ///< The reference points to an element.+
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                ModelGroup      ///< The reference points to a model group.+
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            };+
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+
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            /**+
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             * Returns always @c true, used to avoid dynamic casts.+
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             */+
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            virtual bool isReference() const;+
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+
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            /**+
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             * Sets the @p type of the reference.+
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             *+
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             * @see Type+
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             */+
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            void setType(Type type);+
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+
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            /**+
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             * Returns the type of the reference.+
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             */+
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            Type type() const;+
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+
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            /**+
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             * Sets the @p name of the referenced object.+
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             *+
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             * The name can either be a top-level element declaration+
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             * or a top-level group declaration.+
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             */+
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            void setReferenceName(const QXmlName &ame);+
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+
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            /**+
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             * Returns the name of the referenced object.+
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             */+
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            QXmlName referenceName() const;+
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+
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            /**+
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             * Sets the source @p location where the reference is located.+
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             */+
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            void setSourceLocation(const QSourceLocation &location);+
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+
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            /**+
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             * Returns the source location where the reference is located.+
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             */+
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            QSourceLocation sourceLocation() const;+
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+
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        private:+
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            Type            m_type;+
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            QXmlName        m_referenceName;+
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            QSourceLocation m_sourceLocation;+
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    };+
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}+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif+
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