/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the Qt3Support module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef Q3TEXTSTREAM_H+
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#define Q3TEXTSTREAM_H+
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+
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#include <QtCore/qiodevice.h>+
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#include <QtCore/qstring.h>+
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#ifndef QT_NO_TEXTCODEC+
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#include <QtCore/qtextcodec.h>+
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#endif+
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#include <Qt3Support/q3cstring.h>+
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+
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#include <stdio.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Qt3SupportLight)+
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+
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class Q3TextStreamPrivate;+
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+
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class Q_COMPAT_EXPORT Q3TextStream				// text stream class+
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{+
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public:+
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    enum Encoding { Locale, Latin1, Unicode, UnicodeNetworkOrder,+
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		    UnicodeReverse, RawUnicode, UnicodeUTF8 };+
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+
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    void	setEncoding( Encoding );+
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#ifndef QT_NO_TEXTCODEC+
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    void	setCodec( QTextCodec* );+
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    QTextCodec *codec();+
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#endif+
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+
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    Q3TextStream();+
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    Q3TextStream( QIODevice * );+
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    Q3TextStream( QString*, int mode );+
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    Q3TextStream( QString&, int mode );		// obsolete+
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    Q3TextStream( QByteArray&, int mode );+
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    Q3TextStream( FILE *, int mode );+
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    virtual ~Q3TextStream();+
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+
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    QIODevice	*device() const;+
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    void	 setDevice( QIODevice * );+
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    void	 unsetDevice();+
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+
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    bool	 atEnd() const;+
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    bool	 eof() const;+
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+
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    Q3TextStream &operator>>( QChar & );+
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    Q3TextStream &operator>>( char & );+
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    Q3TextStream &operator>>( signed short & );+
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    Q3TextStream &operator>>( unsigned short & );+
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    Q3TextStream &operator>>( signed int & );+
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    Q3TextStream &operator>>( unsigned int & );+
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    Q3TextStream &operator>>( signed long & );+
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    Q3TextStream &operator>>( unsigned long & );+
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    Q3TextStream &operator>>( float & );+
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    Q3TextStream &operator>>( double & );+
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    Q3TextStream &operator>>( char * );+
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    Q3TextStream &operator>>( QString & );+
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    Q3TextStream &operator>>( Q3CString & );+
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+
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    Q3TextStream &operator<<( QChar );+
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    Q3TextStream &operator<<( char );+
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    Q3TextStream &operator<<( signed short );+
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    Q3TextStream &operator<<( unsigned short );+
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    Q3TextStream &operator<<( signed int );+
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    Q3TextStream &operator<<( unsigned int );+
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    Q3TextStream &operator<<( signed long );+
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    Q3TextStream &operator<<( unsigned long );+
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    Q3TextStream &operator<<( float );+
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    Q3TextStream &operator<<( double );+
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    Q3TextStream &operator<<( const char* );+
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    Q3TextStream &operator<<( const QString & );+
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    Q3TextStream &operator<<( const Q3CString & );+
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    Q3TextStream &operator<<( void * );		// any pointer+
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+
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    Q3TextStream &readRawBytes( char *, uint len );+
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    Q3TextStream &writeRawBytes( const char* , uint len );+
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+
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    QString	readLine();+
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    QString	read();+
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    void	skipWhiteSpace();+
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+
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    enum {+
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	skipws	  = 0x0001,			// skip whitespace on input+
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	left	  = 0x0002,			// left-adjust output+
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	right	  = 0x0004,			// right-adjust output+
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	internal  = 0x0008,			// pad after sign+
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	bin	  = 0x0010,			// binary format integer+
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	oct	  = 0x0020,			// octal format integer+
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	dec	  = 0x0040,			// decimal format integer+
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	hex	  = 0x0080,			// hex format integer+
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	showbase  = 0x0100,			// show base indicator+
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	showpoint = 0x0200,			// force decimal point (float)+
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	uppercase = 0x0400,			// upper-case hex output+
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	showpos	  = 0x0800,			// add '+' to positive integers+
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	scientific= 0x1000,			// scientific float output+
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	fixed	  = 0x2000			// fixed float output+
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    };+
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+
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    static const int basefield;			// bin | oct | dec | hex+
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    static const int adjustfield;		// left | right | internal+
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    static const int floatfield;		// scientific | fixed+
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+
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    int	  flags() const;+
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    int	  flags( int f );+
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    int	  setf( int bits );+
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    int	  setf( int bits, int mask );+
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    int	  unsetf( int bits );+
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+
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    void  reset();+
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+
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    int	  width()	const;+
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    int	  width( int );+
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    int	  fill()	const;+
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    int	  fill( int );+
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    int	  precision()	const;+
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    int	  precision( int );+
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+
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private:+
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    long	input_int();+
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    void	init();+
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    Q3TextStream &output_int( int, ulong, bool );+
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    QIODevice	*dev;+
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+
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    int		fflags;+
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    int		fwidth;+
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    int		fillchar;+
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    int		fprec;+
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    bool	doUnicodeHeader;+
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    bool	owndev;+
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    QTextCodec 	*mapper;+
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    QTextCodec::ConverterState mapperReadState;+
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    QTextCodec::ConverterState mapperWriteState;+
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    Q3TextStreamPrivate * d;+
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    QChar	unused1; // ### remove in Qt 4.0+
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    bool	latin1;+
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    bool 	internalOrder;+
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    bool	networkOrder;+
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    void	*unused2; // ### remove in Qt 4.0+
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+
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    QChar	eat_ws();+
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    uint 	ts_getline( QChar* );+
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    void	ts_ungetc( QChar );+
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    QChar	ts_getc();+
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    uint	ts_getbuf( QChar*, uint );+
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    void	ts_putc(int);+
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    void	ts_putc(QChar);+
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    bool	ts_isspace(QChar);+
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    bool	ts_isdigit(QChar);+
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    ulong	input_bin();+
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    ulong	input_oct();+
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    ulong	input_dec();+
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    ulong	input_hex();+
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    double	input_double();+
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    Q3TextStream &writeBlock( const char* p, uint len );+
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    Q3TextStream &writeBlock( const QChar* p, uint len );+
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+
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private:	// Disabled copy constructor and operator=+
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#if defined(Q_DISABLE_COPY)+
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    Q3TextStream( const Q3TextStream & );+
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    Q3TextStream &operator=( const Q3TextStream & );+
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#endif+
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};+
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+
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/*****************************************************************************+
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  Q3TextStream inline functions+
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 *****************************************************************************/+
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+
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inline QIODevice *Q3TextStream::device() const+
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{ return dev; }+
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+
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inline bool Q3TextStream::atEnd() const+
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{ return dev ? dev->atEnd() : FALSE; }+
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+
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inline bool Q3TextStream::eof() const+
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{ return atEnd(); }+
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+
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inline int Q3TextStream::flags() const+
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{ return fflags; }+
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+
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inline int Q3TextStream::flags( int f )+
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{ int oldf = fflags;  fflags = f;  return oldf; }+
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+
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inline int Q3TextStream::setf( int bits )+
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{ int oldf = fflags;  fflags |= bits;  return oldf; }+
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+
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inline int Q3TextStream::setf( int bits, int mask )+
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{ int oldf = fflags;  fflags = (fflags & ~mask) | (bits & mask); return oldf; }+
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+
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inline int Q3TextStream::unsetf( int bits )+
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{ int oldf = fflags;  fflags &= ~bits;	return oldf; }+
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+
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inline int Q3TextStream::width() const+
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{ return fwidth; }+
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+
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inline int Q3TextStream::width( int w )+
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{ int oldw = fwidth;  fwidth = w;  return oldw;	 }+
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+
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inline int Q3TextStream::fill() const+
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{ return fillchar; }+
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+
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inline int Q3TextStream::fill( int f )+
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{ int oldc = fillchar;	fillchar = f;  return oldc;  }+
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+
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inline int Q3TextStream::precision() const+
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{ return fprec; }+
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+
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inline int Q3TextStream::precision( int p )+
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{ int oldp = fprec;  fprec = p;	 return oldp;  }+
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+
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/*!+
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  Returns one character from the stream, or EOF.+
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*/+
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inline QChar Q3TextStream::ts_getc()+
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{ QChar r; return ( ts_getbuf( &r,1 ) == 1 ? r : QChar((ushort)0xffff) ); }+
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+
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/*****************************************************************************+
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  Q3TextStream manipulators+
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 *****************************************************************************/+
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+
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typedef Q3TextStream & (*Q3TSFUNC)(Q3TextStream &);// manipulator function+
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typedef int (Q3TextStream::*Q3TSMFI)(int);	// manipulator w/int argument+
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+
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class Q_COMPAT_EXPORT Q3TSManip {			// text stream manipulator+
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public:+
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    Q3TSManip( Q3TSMFI m, int a ) { mf=m; arg=a; }+
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    void exec( Q3TextStream &s ) { (s.*mf)(arg); }+
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private:+
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    Q3TSMFI mf;					// Q3TextStream member function+
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    int	   arg;					// member function argument+
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};+
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+
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Q_COMPAT_EXPORT inline Q3TextStream &operator>>( Q3TextStream &s, Q3TSFUNC f )+
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{ return (*f)( s ); }+
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+
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Q_COMPAT_EXPORT inline Q3TextStream &operator<<( Q3TextStream &s, Q3TSFUNC f )+
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{ return (*f)( s ); }+
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+
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Q_COMPAT_EXPORT inline Q3TextStream &operator<<( Q3TextStream &s, Q3TSManip m )+
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{ m.exec(s); return s; }+
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+
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Q_COMPAT_EXPORT Q3TextStream &bin( Q3TextStream &s );	// set bin notation+
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Q_COMPAT_EXPORT Q3TextStream &oct( Q3TextStream &s );	// set oct notation+
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Q_COMPAT_EXPORT Q3TextStream &dec( Q3TextStream &s );	// set dec notation+
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Q_COMPAT_EXPORT Q3TextStream &hex( Q3TextStream &s );	// set hex notation+
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Q_COMPAT_EXPORT Q3TextStream &endl( Q3TextStream &s );	// insert EOL ('\n')+
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Q_COMPAT_EXPORT Q3TextStream &flush( Q3TextStream &s );	// flush output+
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Q_COMPAT_EXPORT Q3TextStream &ws( Q3TextStream &s );	// eat whitespace on input+
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Q_COMPAT_EXPORT Q3TextStream &reset( Q3TextStream &s );	// set default flags+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // Q3TEXTSTREAM_H+
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