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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-08 12:31:36 -0600
commitd796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch)
tree6e3dcca4f77e20ec8966c666aac7c35bd4704053 /src/tools/qiodevice.h
downloadtqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz
tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
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+/****************************************************************************
+**
+** Definition of TQIODevice class
+**
+** Created : 940913
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the tools module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing retquirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file. Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef TQIODEVICE_H
+#define TQIODEVICE_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 TQIODevice
+{
+public:
+#if defined(QT_ABI_QT4)
+ typedef Q_LLONG Offset;
+#else
+ typedef Q_ULONG Offset;
+#endif
+
+ TQIODevice();
+ virtual ~TQIODevice();
+
+ 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 Offset size() const = 0;
+ virtual Offset at() const;
+ virtual bool at( Offset );
+ virtual bool atEnd() const;
+ bool reset() { return at(0); }
+
+ virtual Q_LONG readBlock( char *data, Q_ULONG maxlen ) = 0;
+ virtual Q_LONG writeBlock( const char *data, Q_ULONG len ) = 0;
+ virtual Q_LONG readLine( char *data, Q_ULONG maxlen );
+ Q_LONG writeBlock( const TQByteArray& data );
+ virtual TQByteArray 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 );
+ Offset ioIndex;
+
+private:
+ int ioMode;
+ int ioSt;
+
+private: // Disabled copy constructor and operator=
+#if defined(Q_DISABLE_COPY)
+ TQIODevice( const TQIODevice & );
+ TQIODevice &operator=( const TQIODevice & );
+#endif
+};
+
+
+#endif // TQIODEVICE_H