/****************************************************************************
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** Copyright (C) 2021 The Qt Company Ltd.
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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** $QT_END_LICENSE$
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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_DocumentProjector_H
#define Patternist_DocumentProjector_H

#include <private/qprojectedexpression_p.h>
#include "qabstractxmlreceiver.h"

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short
     *
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class DocumentProjector : public QAbstractXmlReceiver
    {
    public:
        DocumentProjector(const ProjectedExpression::Vector &paths,
                          QAbstractXmlReceiver *const receiver);

        virtual void namespaceBinding(const QXmlName &nb);

        virtual void characters(const QStringRef &value);
        virtual void comment(const QString &value);

        virtual void startElement(const QXmlName &name);

        virtual void endElement();

        virtual void attribute(const QXmlName &name,
                               const QStringRef &value);

        virtual void processingInstruction(const QXmlName &name,
                                           const QString &value);

        virtual void item(const Item &item);

        virtual void startDocument();
        virtual void endDocument();

        ProjectedExpression::Vector m_paths;
        const int                   m_pathCount;
        ProjectedExpression::Action m_action;
        int                         m_nodesInProcess;
        QAbstractXmlReceiver *const m_receiver;
    };
}

QT_END_NAMESPACE

#endif