qfile.h Include File

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# qfile.h

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

    /****************************************************************************
    ** $Id: qt/qfile.h   3.3.5   edited Aug 31 12:17 $
    **
    ** Definition of QFile class
    **
    ** Created : 930831
    **
    ** Copyright (C) 1992-2005 Trolltech AS.  All rights reserved.
    **
    ** This file is part of the tools 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 QFILE_H
    #define QFILE_H

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

    class QDir;
    class QFilePrivate;

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

        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();

        Offset	size() const;
        Offset	at() const;
        bool	at( Offset );
        bool	atEnd() const;

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

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

        int		handle() const;

        QString	errorString() const; // ### Qt 4: move into QIODevice

    protected:
        void	setErrorString( const QString& ); // ### Qt 4: move into QIODevice
        QString	fn;
        FILE       *fh;
        int		fd;
        Offset	length;
        bool	ext_f;
        QFilePrivate *d; // ### Qt 4: make private

    private:
        void	init();
        void	setErrorStringErrno( int );
        QCString	ungetchBuffer;

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

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

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

    #endif // QFILE_H