Release-1.2.2-20001015

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diff --git a/qtools/qiodevice.h b/qtools/qiodevice.h
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+/****************************************************************************
+** 
+**
+** Definition of QIODevice class
+**
+** Created : 940913
+**
+** Copyright (C) 1992-2000 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 QIODEVICE_H
+#define QIODEVICE_H
+
+#ifndef QT_H
+#include "qglobal.h"
+#include "qcstring.h"
+#endif // QT_H
+
+
+// IO device access types
+
+#define IO_Direct		0x0100		// direct access device
+#define IO_Sequential		0x0200		// sequential access device
+#define IO_Combined		0x0300		// combined direct/sequential
+#define IO_TypeMask		0x0f00
+
+// IO handling modes
+
+#define IO_Raw			0x0040		// raw access (not buffered)
+#define IO_Async		0x0080		// asynchronous mode
+
+// IO device open modes
+
+#define IO_ReadOnly		0x0001		// readable device
+#define IO_WriteOnly		0x0002		// writable device
+#define IO_ReadWrite		0x0003		// read+write device
+#define IO_Append		0x0004		// append
+#define IO_Truncate		0x0008		// truncate device
+#define IO_Translate		0x0010		// translate CR+LF
+#define IO_ModeMask		0x00ff
+
+// IO device state
+
+#define IO_Open			0x1000		// device is open
+#define IO_StateMask		0xf000
+
+
+// IO device status
+
+#define IO_Ok			0
+#define IO_ReadError		1		// read error
+#define IO_WriteError		2		// write error
+#define IO_FatalError		3		// fatal unrecoverable error
+#define IO_ResourceError	4		// resource limitation
+#define IO_OpenError		5		// cannot open device
+#define IO_ConnectError		5		// cannot connect to device
+#define IO_AbortError		6		// abort error
+#define IO_TimeOutError		7		// time out
+#define IO_UnspecifiedError		8		// unspecified error
+
+class Q_EXPORT QIODevice					// IO device class
+{
+public:
+    QIODevice();
+    virtual ~QIODevice();
+
+    int		 flags()  const { return ioMode; }
+    int		 mode()	  const { return ioMode & IO_ModeMask; }
+    int		 state()  const { return ioMode & IO_StateMask; }
+
+    bool	 isDirectAccess()     const { return ((ioMode & IO_Direct)     == IO_Direct); }
+    bool	 isSequentialAccess() const { return ((ioMode & IO_Sequential) == IO_Sequential); }
+    bool	 isCombinedAccess()   const { return ((ioMode & IO_Combined)   == IO_Combined); }
+    bool	 isBuffered()	      const { return ((ioMode & IO_Raw)        != IO_Raw); }
+    bool	 isRaw()	      const { return ((ioMode & IO_Raw)        == IO_Raw); }
+    bool	 isSynchronous()      const { return ((ioMode & IO_Async)      != IO_Async); }
+    bool	 isAsynchronous()     const { return ((ioMode & IO_Async)      == IO_Async); }
+    bool	 isTranslated()	      const { return ((ioMode & IO_Translate)  == IO_Translate); }
+    bool	 isReadable()	      const { return ((ioMode & IO_ReadOnly)   == IO_ReadOnly); }
+    bool	 isWritable()	      const { return ((ioMode & IO_WriteOnly)  == IO_WriteOnly); }
+    bool	 isReadWrite()	      const { return ((ioMode & IO_ReadWrite)  == IO_ReadWrite); }
+    bool	 isInactive()	      const { return state() == 0; }
+    bool	 isOpen()	      const { return state() == IO_Open; }
+
+    int		 status() const { return ioSt; }
+    void	 resetStatus()	{ ioSt = IO_Ok; }
+
+    virtual bool open( int mode ) = 0;
+    virtual void close() = 0;
+    virtual void flush() = 0;
+
+    virtual uint size()	  const = 0;
+    virtual int	 at()	  const;
+    virtual bool at( int );
+    virtual bool atEnd()  const;
+    bool	 reset() { return at(0); }
+
+    virtual int	 readBlock( char *data, uint maxlen ) = 0;
+    virtual int	 writeBlock( const char *data, uint len ) = 0;
+    virtual int	 readLine( char *data, uint maxlen );
+    int writeBlock( const QByteArray& data );
+    QByteArray readAll();
+
+    virtual int	 getch() = 0;
+    virtual int	 putch( int ) = 0;
+    virtual int	 ungetch( int ) = 0;
+
+protected:
+    void	 setFlags( int f ) { ioMode = f; }
+    void	 setType( int );
+    void	 setMode( int );
+    void	 setState( int );
+    void	 setStatus( int );
+    int		 ioIndex;
+
+private:
+    int		 ioMode;
+    int		 ioSt;
+
+private:	// Disabled copy constructor and operator=
+#if defined(Q_DISABLE_COPY)
+    QIODevice( const QIODevice & );
+    QIODevice &operator=( const QIODevice & );
+#endif
+};
+
+
+#endif // QIODEVICE_H