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Diffstat (limited to 'tqtinterface/qt4/src/tools/tqiodevice.h')
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diff --git a/tqtinterface/qt4/src/tools/tqiodevice.h b/tqtinterface/qt4/src/tools/tqiodevice.h new file mode 100644 index 0000000..6fccc9d --- /dev/null +++ b/tqtinterface/qt4/src/tools/tqiodevice.h @@ -0,0 +1,311 @@ +/**************************************************************************** +** +** 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 + } + + void setqStatus( int ) { std::cout << "[WARNING] TQIODevice::setqStatus() UNIMPLEMENTED\n\r"; } + void resetqStatus() { resetStatus(); } + +protected: + friend class TQFile; + friend class TQIODeviceSource; + friend class TQImageIO; + friend class TQBuffer; + +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 |