Question

This is the verbatim text of the qurloperator.h include file. It is provided only for illustration; the copyright remains with Trolltech.

---

/****************************************************************************
** $Id:  qt/qurloperator.h   3.0.5   edited Oct 12 2001 $
**
** Definition of QUrlOperator class
**
** Created : 950429
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QURLOPERATOR_H
#define QURLOPERATOR_H

#ifndef QT_H
#include "qobject.h"
#include "qurl.h"
#include "qptrlist.h"
#include "qnetworkprotocol.h"
#include "qstringlist.h" // QString->QStringList conversion
#endif // QT_H

#ifndef QT_NO_NETWORKPROTOCOL

class QUrlInfo;
class QUrlOperatorPrivate;

class Q_EXPORT QUrlOperator : public QObject, public QUrl
{
    friend class QNetworkProtocol;

    Q_OBJECT

public:
    QUrlOperator();
    QUrlOperator( const QString &urL );
    QUrlOperator( const QUrlOperator& url );
    QUrlOperator( const QUrlOperator& url, const QString& relUrl, bool checkSlash = FALSE );
    virtual ~QUrlOperator();

    virtual void setPath( const QString& path );
    virtual bool cdUp();

    virtual const QNetworkOperation *listChildren();
    virtual const QNetworkOperation *mkdir( const QString &dirname );
    virtual const QNetworkOperation *remove( const QString &filename );
    virtual const QNetworkOperation *rename( const QString &oldname, const QString &newname );
    virtual const QNetworkOperation *get( const QString &location = QString::null );
    virtual const QNetworkOperation *put( const QByteArray &data, const QString &location = QString::null  );
    virtual QPtrList<QNetworkOperation> copy( const QString &from, const QString &to, bool move = FALSE, bool toPath = TRUE );
    virtual void copy( const QStringList &files, const QString &dest, bool move = FALSE );
    virtual bool isDir( bool *ok = 0 );

    virtual void setNameFilter( const QString &nameFilter );
    QString nameFilter() const;

    virtual QUrlInfo info( const QString &entry ) const;

    QUrlOperator& operator=( const QUrlOperator &url );
    QUrlOperator& operator=( const QString &url );

    virtual void stop();

signals:
    void newChildren( const QValueList<QUrlInfo> &, QNetworkOperation *res );
    void finished( QNetworkOperation *res );
    void start( QNetworkOperation *res );
    void createdDirectory( const QUrlInfo &, QNetworkOperation *res );
    void removed( QNetworkOperation *res );
    void itemChanged( QNetworkOperation *res );
    void data( const QByteArray &, QNetworkOperation *res );
    void dataTransferProgress( int bytesDone, int bytesTotal, QNetworkOperation *res );
    void startedNextCopy( const QPtrList<QNetworkOperation> &lst );
    void connectionStateChanged( int state, const QString &data );

protected:
    void reset();
    bool parse( const QString& url );
    virtual bool checkValid();
    virtual void clearEntries();
    void getNetworkProtocol();
    void deleteNetworkProtocol();

private slots:
    const QNetworkOperation *startOperation( QNetworkOperation *op );
    void copyGotData( const QByteArray &data, QNetworkOperation *op );
    void continueCopy( QNetworkOperation *op );
    void finishedCopy();
    void addEntry( const QValueList<QUrlInfo> &i );
    void slotItemChanged( QNetworkOperation *op );

private:
    void deleteOperation( QNetworkOperation *op );

    QUrlOperatorPrivate *d;

};

#endif // QT_NO_NETWORKPROTOCOL

#endif // QURLOPERATOR_H