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This is the verbatim text of the qfile.h include file. It is provided only for illustration; the copyright remains with Troll Tech.
** $Id: qfile.h,v 2.20 1999/06/18 01:19:32 agulbra Exp $
** Definition of QFile class
** Created : 930831
** Copyright (C) 1992-1999 Troll Tech AS.  All rights reserved.
** This file is part of the Qt GUI Toolkit.
** This file may be distributed under the terms of the Q Public License
** as defined by Troll Tech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
** Licensees holding valid Qt Professional Edition licenses may use this
** file in accordance with the Qt Professional Edition License Agreement
** provided with the Qt Professional Edition.
** See http://www.troll.no/pricing.html or email sales@troll.no for
** information about the Professional Edition licensing, or see
** http://www.troll.no/qpl/ for QPL licensing information.

#ifndef QFILE_H
#define QFILE_H

#ifndef QT_H
#include "qiodevice.h"
#include "qstring.h"
#include <stdio.h>
#endif // QT_H

class QDir;

class Q_EXPORT QFile : public QIODevice                 // file I/O device class
    QFile( const QString &name );

    QString     name()  const;
    void        setName( const QString &name );

    typedef QCString (*EncoderFn)( const QString &fileName );
    typedef QString (*DecoderFn)( const QCString &localfileName );
    static QCString encodeName( const QString &fileName );
    static QString decodeName( const QCString &localFileName );
    static void setEncodingFunction( EncoderFn );
    static void setDecodingFunction( DecoderFn );

    bool        exists()   const;
    static bool exists( const QString &fileName );

    bool        remove();
    static bool remove( const QString &fileName );

    bool        open( int );
    bool        open( int, FILE * );
    bool        open( int, int );
    void        close();
    void        flush();

    uint        size()  const;
    int         at()    const;
    bool        at( int );
    bool        atEnd() const;

    int         readBlock( char *data, uint len );
    int         writeBlock( const char *data, uint len );
    int         writeBlock( const QByteArray& data )
                    { return QIODevice::writeBlock(data); }
    int         readLine( char *data, uint maxlen );
    int         readLine( QString &, uint maxlen );

    int         getch();
    int         putch( int );
    int         ungetch( int );

    int         handle() const;

    QString     fn;
    FILE       *fh;
    int         fd;
    int         length;
    bool        ext_f;
    void *      d;

    void        init();
    QCString ungetchBuffer;

private:        // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    QFile( const QFile & );
    QFile &operator=( const QFile & );

inline QString QFile::name() const
{ return fn; }

inline int QFile::at() const
{ return ioIndex; }

#endif // QFILE_H

Copyright 1999 Troll TechTrademarks
Qt version 2.0.2