/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
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**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QXMLFORMATTER_H
#define QXMLFORMATTER_H

#include <QtXmlPatterns/QXmlSerializer>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(XmlPatterns)

class QIODevice;
class QTextCodec;
class QXmlQuery;
class QXmlFormatterPrivate;

class Q_XMLPATTERNS_EXPORT QXmlFormatter : public QXmlSerializer
{
public:
    QXmlFormatter(const QXmlQuery &query,
                  QIODevice *outputDevice);

    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 atomicValue(const QVariant &value);
    virtual void startDocument();
    virtual void endDocument();
    virtual void startOfSequence();
    virtual void endOfSequence();

    int indentationDepth() const;
    void setIndentationDepth(int depth);

    /* The members below are internal, not part of the public API, and
     * unsupported. Using them leads to undefined behavior. */
    virtual void item(const QPatternist::Item &item);
private:
    inline void startFormattingContent();
    Q_DECLARE_PRIVATE(QXmlFormatter)
};

QT_END_NAMESPACE

QT_END_HEADER

#endif
