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q3ftp.h

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef Q3FTP_H
#define Q3FTP_H

#include <QtCore/qstring.h> // char*->QString conversion
#include <QtNetwork/qurlinfo.h>
#include <Qt3Support/q3networkprotocol.h>

QT_BEGIN_HEADER

QT_MODULE(Qt3Support)

#ifndef QT_NO_NETWORKPROTOCOL_FTP

class Q3Socket;
class Q3FtpCommand;

00040 class Q_COMPAT_EXPORT Q3Ftp : public Q3NetworkProtocol
{
    Q_OBJECT

public:
    Q3Ftp(); // ### Qt 4.0: get rid of this overload
    Q3Ftp( QObject *parent, const char *name=0 );
    virtual ~Q3Ftp();

    int supportedOperations() const;

    // non-Q3NetworkProtocol functions:
00052     enum State {
      Unconnected,
      HostLookup,
      Connecting,
      Connected,
      LoggedIn,
      Closing
    };
00060     enum Error {
      NoError,
      UnknownError,
      HostNotFound,
      ConnectionRefused,
      NotConnected
    };
00067     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(), const QString &password=QString() );
    int close();
    int list( const QString &dir=QString() );
    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 Q_SLOTS:
    void abort();

Q_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( Q3NetworkOperation *op );
    void operationMkDir( Q3NetworkOperation *op );
    void operationRemove( Q3NetworkOperation *op );
    void operationRename( Q3NetworkOperation *op );
    void operationGet( Q3NetworkOperation *op );
    void operationPut( Q3NetworkOperation *op );

    // ### Qt 4.0: delete these
    // unused variables:
    Q3Socket *commandSocket, *dataSocket;
    bool connectionReady, passiveMode;
    int getTotalSize, getDoneSize;
    bool startGetOnFail;
    int putToWrite, putWritten;
    bool errorInListChildren;

private:
    void init();
    int addCommand( Q3FtpCommand * );

    bool checkConnection( Q3NetworkOperation *op );

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

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

protected Q_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

QT_END_HEADER

#endif // Q3FTP_H

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