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# qftp.h

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

    /****************************************************************************
    ** $Id: qt/qftp.h   3.3.7   edited Aug 31 2005 $
    **
    ** Definition of QFtp class.
    **
    ** Created : 970521
    **
    ** Copyright (C) 1997-2005 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the network 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 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 QFTP_H
    #define QFTP_H

    #ifndef QT_H
    #include "qstring.h" // char*->QString conversion
    #include "qurlinfo.h"
    #include "qnetworkprotocol.h"
    #endif // QT_H

    #if !defined( QT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK )
    #define QM_EXPORT_FTP
    #else
    #define QM_EXPORT_FTP Q_EXPORT
    #endif

    #ifndef QT_NO_NETWORKPROTOCOL_FTP

    class QSocket;
    class QFtpCommand;

    class QM_EXPORT_FTP QFtp : public QNetworkProtocol
    {
        Q_OBJECT

    public:
        QFtp(); // ### Qt 4.0: get rid of this overload
        QFtp( QObject *parent, const char *name=0 );
        virtual ~QFtp();

        int supportedOperations() const;

        // non-QNetworkProtocol functions:
        enum State {
    	Unconnected,
    	HostLookup,
    	Connecting,
    	Connected,
    	LoggedIn,
    	Closing
        };
        enum Error {
    	NoError,
    	UnknownError,
    	HostNotFound,
    	ConnectionRefused,
    	NotConnected
        };
        enum Command {
    	None,
    	ConnectToHost,
    	Login,
    	Close,
    	List,
    	Cd,
    	Get,
    	Put,
    	Remove,
    	Mkdir,
    	Rmdir,
    	Rename,
    	RawCommand
        };

        int connectToHost( const QString &host, Q_UINT16 port=21 );
        int login( const QString &user=QString::null, const QString &password=QString::null );
        int close();
        int list( const QString &dir=QString::null );
        int cd( const QString &dir );
        int get( const QString &file, QIODevice *dev=0 );
        int put( const QByteArray &data, const QString &file );
        int put( QIODevice *dev, const QString &file );
        int remove( const QString &file );
        int mkdir( const QString &dir );
        int rmdir( const QString &dir );
        int rename( const QString &oldname, const QString &newname );

        int rawCommand( const QString &command );

        Q_ULONG bytesAvailable() const;
        Q_LONG readBlock( char *data, Q_ULONG maxlen );
        QByteArray readAll();

        int currentId() const;
        QIODevice* currentDevice() const;
        Command currentCommand() const;
        bool hasPendingCommands() const;
        void clearPendingCommands();

        State state() const;

        Error error() const;
        QString errorString() const;

    public slots:
        void abort();

    signals:
        void stateChanged( int );
        void listInfo( const QUrlInfo& );
        void readyRead();
        void dataTransferProgress( int, int );
        void rawCommandReply( int, const QString& );

        void commandStarted( int );
        void commandFinished( int, bool );
        void done( bool );

    protected:
        void parseDir( const QString &buffer, QUrlInfo &info ); // ### Qt 4.0: delete this? (not public API)
        void operationListChildren( QNetworkOperation *op );
        void operationMkDir( QNetworkOperation *op );
        void operationRemove( QNetworkOperation *op );
        void operationRename( QNetworkOperation *op );
        void operationGet( QNetworkOperation *op );
        void operationPut( QNetworkOperation *op );

        // ### Qt 4.0: delete these
        // unused variables:
        QSocket *commandSocket, *dataSocket;
        bool connectionReady, passiveMode;
        int getTotalSize, getDoneSize;
        bool startGetOnFail;
        int putToWrite, putWritten;
        bool errorInListChildren;

    private:
        void init();
        int addCommand( QFtpCommand * );

        bool checkConnection( QNetworkOperation *op );

    private slots:
        void startNextCommand();
        void piFinished( const QString& );
        void piError( int, const QString& );
        void piConnectState( int );
        void piFtpReply( int, const QString& );

    private slots:
        void npListInfo( const QUrlInfo & );
        void npDone( bool );
        void npStateChanged( int );
        void npDataTransferProgress( int, int );
        void npReadyRead();

    protected slots:
        // ### Qt 4.0: delete these
        void hostFound();
        void connected();
        void closed();
        void dataHostFound();
        void dataConnected();
        void dataClosed();
        void dataReadyRead();
        void dataBytesWritten( int nbytes );
        void error( int );
    };

    #endif // QT_NO_NETWORKPROTOCOL_FTP

    #endif // QFTP_H