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+/****************************************************************************
+**
+** Definition of TQIODevice class
+**
+** Created : 940913
+**
+** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
+**
+** 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 requirements 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
+
+#include "tqtglobaldefines.h"
+
+#ifndef TQT_H
+#include "tqglobal.h"
+#include "tqcstring.h"
+#endif // TQT_H
+
+#ifdef USE_QT4
+
+#include <Qt/qiodevice.h>
+#include <Qt/qfile.h>
+#include <iostream>
+
+#endif // USE_QT4
+
+#ifdef USE_QT4
+
+#define IO_Direct 0x0100 // direct access tqdevice
+#define IO_Sequential 0x0200 // sequential access tqdevice
+#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 tqdevice open modes
+
+#define IO_ReadOnly (QIODevice::OpenModeFlag)0x0001 // readable tqdevice
+#define IO_WriteOnly (QIODevice::OpenModeFlag)0x0002 // writable tqdevice
+#define IO_ReadWrite (QIODevice::OpenModeFlag)0x0003 // read+write tqdevice
+#define IO_Append (QIODevice::OpenModeFlag)0x0004 // append
+#define IO_Truncate (QIODevice::OpenModeFlag)0x0008 // truncate tqdevice
+#define IO_Translate (QIODevice::OpenModeFlag)0x0010 // translate CR+LF
+#define IO_ModeMask (QIODevice::OpenModeFlag)0x00ff
+
+// IO tqdevice state
+
+#define IO_Open 0x1000 // tqdevice is open
+#define IO_StateMask 0xf000
+
+// IO tqdevice 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 tqdevice
+#define IO_ConnectError 5 // cannot connect to tqdevice
+#define IO_AbortError 6 // abort error
+#define IO_TimeOutError 7 // time out
+#define IO_UnspecifiedError 8 // unspecified error
+
+class TQ_EXPORT TQIODevice : public QIODevice
+{
+public:
+#if defined(TQT_ABI_QT4)
+ typedef TQ_LLONG Offset;
+#else
+ typedef TQ_ULONG Offset;
+#endif
+
+ TQIODevice() : QIODevice() {}
+
+ inline int state() const { return isOpen() ? 0x1000 : 0; }
+ inline int mode() const { return (int) openMode(); }
+ inline int flags() const { return (int) openMode(); }
+ inline bool tqopen( int mode ) { return open((OpenModeFlag)mode); }
+
+ inline Offset at() const { return pos(); }
+ inline bool at(Offset offset) { return seek(offset); }
+ inline Offset tqat() const { return pos(); }
+ inline bool tqat(Offset offset) { return seek(offset); }
+
+// virtual inline qint64 readBlock(char *data, quint64 maxlen) { return read(data, maxlen); }
+// virtual inline qint64 writeBlock(const char *data, quint64 len) { return write(data, len); }
+// virtual inline qint64 writeBlock(const QByteArray &data) { return write(data); }
+ inline qint64 readBlock(char *data, quint64 maxlen) { return read(data, maxlen); }
+ inline qint64 writeBlock(const char *data, quint64 len) { return write(data, len); }
+ inline qint64 writeBlock(const QByteArray &data) { return write(data); }
+
+// virtual inline qint64 readData ( char * data, qint64 maxSize ) { return readBlock(data, maxSize); }
+// virtual inline qint64 writeData ( const char * data, qint64 maxSize ) { return writeBlock(data, maxSize); }
+
+ inline int getch() { char c; return getChar(&c) ? int(uchar(c)) : -1; }
+ inline int putch(int c) { return putChar(char(c)) ? int(uchar(c)) : -1; }
+ inline int ungetch(int c) { ungetChar(uchar(c)); return c; }
+ virtual void flush() = 0;
+
+ inline bool isDirectAccess() const { return !isSequential(); }
+ inline bool isSequentialAccess() const { return isSequential(); }
+ inline bool isCombinedAccess() const { return false; }
+ inline bool isBuffered() const { return true; }
+ inline bool isRaw() const { return false; }
+ inline bool isSynchronous() const { return true; }
+ inline bool isAsynchronous() const { return false; }
+ inline bool isTranslated() const { return (openMode() & Text) != 0; }
+ inline bool isInactive() const { return !isOpen(); }
+
+// inline bool open( int mode ) = 0;
+
+protected:
+ void setFlags( int f ) { setOpenMode((QIODevice::OpenModeFlag)f); }
+ void setType( int ) { printf("[WARNING] TQIODevice::setType() unimplemented\n\r"); }
+ void setMode( int f ) { setOpenMode((QIODevice::OpenModeFlag)f); }
+ void setState( int state ) {
+ switch (state) {
+ case (IO_Open):
+ QIODevice::open(openMode());
+ break;
+ }
+ }
+
+public:
+ typedef int Status;
+ Status status() const {
+#if !defined(QT_NO_QOBJECT)
+ const QFile *f = qobject_cast<const QFile *>(this);
+ if (f) return (int) f->error();
+#endif
+ return isOpen() ? 0 /* IO_Ok */ : 8 /* IO_UnspecifiedError */;
+ }
+ void resetStatus() {
+#if !defined(QT_NO_QOBJECT)
+ QFile *f = qobject_cast<QFile *>(this);
+ if (f) f->unsetError();
+#endif
+ }
+
+protected:
+ void setqStatus( int ) { std::cout << "[WARNING] TQIODevice::setqStatus() UNIMPLEMENTED\n\r"; }
+ void resetqStatus() { resetStatus(); }
+
+ friend class TQFile;
+ friend class TQIODeviceSource;
+ friend class TQImageIO;
+
+public:
+ // Interoperability
+ static TQIODevice& convertFromQIODevice( QIODevice& qiod );
+};
+
+// Interoperability
+inline static TQIODevice& convertFromQIODevice( QIODevice& qiod ) {
+ return (*static_cast<TQIODevice*>(&qiod));
+}
+
+#else // USE_QT4
+
+// IO tqdevice access types
+
+#define IO_Direct 0x0100 // direct access tqdevice
+#define IO_Sequential 0x0200 // sequential access tqdevice
+#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 tqdevice open modes
+
+#define IO_ReadOnly 0x0001 // readable tqdevice
+#define IO_WriteOnly 0x0002 // writable tqdevice
+#define IO_ReadWrite 0x0003 // read+write tqdevice
+#define IO_Append 0x0004 // append
+#define IO_Truncate 0x0008 // truncate tqdevice
+#define IO_Translate 0x0010 // translate CR+LF
+#define IO_ModeMask 0x00ff
+
+// IO tqdevice state
+
+#define IO_Open 0x1000 // tqdevice is open
+#define IO_StateMask 0xf000
+
+// IO tqdevice 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 tqdevice
+#define IO_ConnectError 5 // cannot connect to tqdevice
+#define IO_AbortError 6 // abort error
+#define IO_TimeOutError 7 // time out
+#define IO_UnspecifiedError 8 // unspecified error
+
+
+class TQ_EXPORT TQIODevice
+{
+public:
+#if defined(TQT_ABI_QT4)
+ typedef TQ_LLONG Offset;
+#else
+ typedef TQ_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 resetqStatus() { 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 TQ_LONG readBlock( char *data, TQ_ULONG maxlen ) = 0;
+ virtual TQ_LONG writeBlock( const char *data, TQ_ULONG len ) = 0;
+ virtual TQ_LONG readLine( char *data, TQ_ULONG maxlen );
+ TQ_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 setqStatus( int );
+ Offset ioIndex;
+
+private:
+ int ioMode;
+ int ioSt;
+
+private: // Disabled copy constructor and operator=
+#if defined(TQ_DISABLE_COPY)
+ TQIODevice( const TQIODevice & );
+ TQIODevice &operator=( const TQIODevice & );
+#endif
+};
+
+#endif // USE_QT4
+
+#endif // TQIODEVICE_H