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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QVERSITREADER_H
#define QVERSITREADER_H

#include "qversitdocument.h"
#include "qmobilityglobal.h"

#include <QObject>

QT_BEGIN_NAMESPACE
class QIODevice;
class QTextCodec;
QT_END_NAMESPACE

QTM_BEGIN_NAMESPACE

class QVersitReaderPrivate;

// reads a QVersitDocument from i/o device
class Q_VERSIT_EXPORT QVersitReader : public QObject
{
    Q_OBJECT
public:
    enum Error {
        NoError = 0,
        UnspecifiedError,
        IOError,
        OutOfMemoryError,
        NotReadyError,
        ParseError
    };

    enum State {
        InactiveState = 0,
        ActiveState,
        CanceledState,
        FinishedState
    };

    QVersitReader();
    QVersitReader(QIODevice* inputDevice);
    QVersitReader(const QByteArray& inputData);
    ~QVersitReader();

    // input:
    void setDevice(QIODevice* inputDevice);
    QIODevice* device() const;
    void setData(const QByteArray& inputData);

    void setDefaultCodec(QTextCodec* codec);
    QTextCodec* defaultCodec() const;

    // output:
    QList<QVersitDocument> results() const;

    State state() const;
    Error error() const;

    // reading:
public Q_SLOTS:
    bool startReading();
    void cancel();
public:
    Q_INVOKABLE bool waitForFinished(int msec = -1);

Q_SIGNALS:
    void stateChanged(QVersitReader::State state);
    void resultsAvailable();

private: // data
    QVersitReaderPrivate* d;
};

QTM_END_NAMESPACE

Q_DECLARE_METATYPE(QTM_PREPEND_NAMESPACE(QVersitReader::State))

#endif // QVERSITREADER_H