/****************************************************************************+
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**+
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** Copyright (C) 2010 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_OutputValidator_H+
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#define Patternist_OutputValidator_H+
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+
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#include <QSet>+
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+
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#include "qdynamiccontext_p.h"+
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#include "qabstractxmlreceiver.h"+
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#include "qsourcelocationreflection_p.h"+
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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 Receives QAbstractXmlReceiver events and validates that they are correct,+
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     * before sending them on to a second QAbstractXmlReceiver.+
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     *+
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     * Currently, this is only checking that attributes appear before other+
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     * nodes.+
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     *+
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     * @ingroup Patternist_xdm+
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     * @author Frans Englich <frans.englich@nokia.com>+
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     * @todo Escape data+
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     */+
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    class OutputValidator : public QAbstractXmlReceiver+
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                          , public DelegatingSourceLocationReflection+
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    {+
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    public:+
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        OutputValidator(QAbstractXmlReceiver *const receiver,+
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                        const DynamicContext::Ptr &context,+
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                        const SourceLocationReflection *const r,+
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                        const bool isXSLT);+
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+
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        virtual void namespaceBinding(const QXmlName &nb);+
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+
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        virtual void characters(const QStringRef &value);+
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        virtual void comment(const QString &value);+
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+
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        virtual void startElement(const QXmlName &name);+
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+
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        virtual void endElement();+
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+
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        virtual void attribute(const QXmlName &name,+
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                               const QStringRef &value);+
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+
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        virtual void processingInstruction(const QXmlName &name,+
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                                           const QString &value);+
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+
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        virtual void item(const Item &item);+
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+
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        virtual void startDocument();+
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        virtual void endDocument();+
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        virtual void atomicValue(const QVariant &value);+
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        virtual void endOfSequence();+
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        virtual void startOfSequence();+
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+
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    private:+
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        bool                        m_hasReceivedChildren;+
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        QAbstractXmlReceiver *const m_receiver;+
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        const DynamicContext::Ptr   m_context;+
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+
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        /**+
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         * Keeps the current received attributes, in order to check uniqueness.+
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         */+
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        QSet<QXmlName>              m_attributes;+
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        const bool                  m_isXSLT;+
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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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