src/qt3support/text/q3textstream.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/text/q3textstream.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,297 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt3Support module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q3TEXTSTREAM_H
+#define Q3TEXTSTREAM_H
+
+#include <QtCore/qiodevice.h>
+#include <QtCore/qstring.h>
+#ifndef QT_NO_TEXTCODEC
+#include <QtCore/qtextcodec.h>
+#endif
+#include <Qt3Support/q3cstring.h>
+
+#include <stdio.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Qt3SupportLight)
+
+class Q3TextStreamPrivate;
+
+class Q_COMPAT_EXPORT Q3TextStream				// text stream class
+{
+public:
+    enum Encoding { Locale, Latin1, Unicode, UnicodeNetworkOrder,
+		    UnicodeReverse, RawUnicode, UnicodeUTF8 };
+
+    void	setEncoding( Encoding );
+#ifndef QT_NO_TEXTCODEC
+    void	setCodec( QTextCodec* );
+    QTextCodec *codec();
+#endif
+
+    Q3TextStream();
+    Q3TextStream( QIODevice * );
+    Q3TextStream( QString*, int mode );
+    Q3TextStream( QString&, int mode );		// obsolete
+    Q3TextStream( QByteArray&, int mode );
+    Q3TextStream( FILE *, int mode );
+    virtual ~Q3TextStream();
+
+    QIODevice	*device() const;
+    void	 setDevice( QIODevice * );
+    void	 unsetDevice();
+
+    bool	 atEnd() const;
+    bool	 eof() const;
+
+    Q3TextStream &operator>>( QChar & );
+    Q3TextStream &operator>>( char & );
+    Q3TextStream &operator>>( signed short & );
+    Q3TextStream &operator>>( unsigned short & );
+    Q3TextStream &operator>>( signed int & );
+    Q3TextStream &operator>>( unsigned int & );
+    Q3TextStream &operator>>( signed long & );
+    Q3TextStream &operator>>( unsigned long & );
+    Q3TextStream &operator>>( float & );
+    Q3TextStream &operator>>( double & );
+    Q3TextStream &operator>>( char * );
+    Q3TextStream &operator>>( QString & );
+    Q3TextStream &operator>>( Q3CString & );
+
+    Q3TextStream &operator<<( QChar );
+    Q3TextStream &operator<<( char );
+    Q3TextStream &operator<<( signed short );
+    Q3TextStream &operator<<( unsigned short );
+    Q3TextStream &operator<<( signed int );
+    Q3TextStream &operator<<( unsigned int );
+    Q3TextStream &operator<<( signed long );
+    Q3TextStream &operator<<( unsigned long );
+    Q3TextStream &operator<<( float );
+    Q3TextStream &operator<<( double );
+    Q3TextStream &operator<<( const char* );
+    Q3TextStream &operator<<( const QString & );
+    Q3TextStream &operator<<( const Q3CString & );
+    Q3TextStream &operator<<( void * );		// any pointer
+
+    Q3TextStream &readRawBytes( char *, uint len );
+    Q3TextStream &writeRawBytes( const char* , uint len );
+
+    QString	readLine();
+    QString	read();
+    void	skipWhiteSpace();
+
+    enum {
+	skipws	  = 0x0001,			// skip whitespace on input
+	left	  = 0x0002,			// left-adjust output
+	right	  = 0x0004,			// right-adjust output
+	internal  = 0x0008,			// pad after sign
+	bin	  = 0x0010,			// binary format integer
+	oct	  = 0x0020,			// octal format integer
+	dec	  = 0x0040,			// decimal format integer
+	hex	  = 0x0080,			// hex format integer
+	showbase  = 0x0100,			// show base indicator
+	showpoint = 0x0200,			// force decimal point (float)
+	uppercase = 0x0400,			// upper-case hex output
+	showpos	  = 0x0800,			// add '+' to positive integers
+	scientific= 0x1000,			// scientific float output
+	fixed	  = 0x2000			// fixed float output
+    };
+
+    static const int basefield;			// bin | oct | dec | hex
+    static const int adjustfield;		// left | right | internal
+    static const int floatfield;		// scientific | fixed
+
+    int	  flags() const;
+    int	  flags( int f );
+    int	  setf( int bits );
+    int	  setf( int bits, int mask );
+    int	  unsetf( int bits );
+
+    void  reset();
+
+    int	  width()	const;
+    int	  width( int );
+    int	  fill()	const;
+    int	  fill( int );
+    int	  precision()	const;
+    int	  precision( int );
+
+private:
+    long	input_int();
+    void	init();
+    Q3TextStream &output_int( int, ulong, bool );
+    QIODevice	*dev;
+
+    int		fflags;
+    int		fwidth;
+    int		fillchar;
+    int		fprec;
+    bool	doUnicodeHeader;
+    bool	owndev;
+    QTextCodec 	*mapper;
+    QTextCodec::ConverterState mapperReadState;
+    QTextCodec::ConverterState mapperWriteState;
+    Q3TextStreamPrivate * d;
+    QChar	unused1; // ### remove in Qt 4.0
+    bool	latin1;
+    bool 	internalOrder;
+    bool	networkOrder;
+    void	*unused2; // ### remove in Qt 4.0
+
+    QChar	eat_ws();
+    uint 	ts_getline( QChar* );
+    void	ts_ungetc( QChar );
+    QChar	ts_getc();
+    uint	ts_getbuf( QChar*, uint );
+    void	ts_putc(int);
+    void	ts_putc(QChar);
+    bool	ts_isspace(QChar);
+    bool	ts_isdigit(QChar);
+    ulong	input_bin();
+    ulong	input_oct();
+    ulong	input_dec();
+    ulong	input_hex();
+    double	input_double();
+    Q3TextStream &writeBlock( const char* p, uint len );
+    Q3TextStream &writeBlock( const QChar* p, uint len );
+
+private:	// Disabled copy constructor and operator=
+#if defined(Q_DISABLE_COPY)
+    Q3TextStream( const Q3TextStream & );
+    Q3TextStream &operator=( const Q3TextStream & );
+#endif
+};
+
+/*****************************************************************************
+  Q3TextStream inline functions
+ *****************************************************************************/
+
+inline QIODevice *Q3TextStream::device() const
+{ return dev; }
+
+inline bool Q3TextStream::atEnd() const
+{ return dev ? dev->atEnd() : FALSE; }
+
+inline bool Q3TextStream::eof() const
+{ return atEnd(); }
+
+inline int Q3TextStream::flags() const
+{ return fflags; }
+
+inline int Q3TextStream::flags( int f )
+{ int oldf = fflags;  fflags = f;  return oldf; }
+
+inline int Q3TextStream::setf( int bits )
+{ int oldf = fflags;  fflags |= bits;  return oldf; }
+
+inline int Q3TextStream::setf( int bits, int mask )
+{ int oldf = fflags;  fflags = (fflags & ~mask) | (bits & mask); return oldf; }
+
+inline int Q3TextStream::unsetf( int bits )
+{ int oldf = fflags;  fflags &= ~bits;	return oldf; }
+
+inline int Q3TextStream::width() const
+{ return fwidth; }
+
+inline int Q3TextStream::width( int w )
+{ int oldw = fwidth;  fwidth = w;  return oldw;	 }
+
+inline int Q3TextStream::fill() const
+{ return fillchar; }
+
+inline int Q3TextStream::fill( int f )
+{ int oldc = fillchar;	fillchar = f;  return oldc;  }
+
+inline int Q3TextStream::precision() const
+{ return fprec; }
+
+inline int Q3TextStream::precision( int p )
+{ int oldp = fprec;  fprec = p;	 return oldp;  }
+
+/*!
+  Returns one character from the stream, or EOF.
+*/
+inline QChar Q3TextStream::ts_getc()
+{ QChar r; return ( ts_getbuf( &r,1 ) == 1 ? r : QChar((ushort)0xffff) ); }
+
+/*****************************************************************************
+  Q3TextStream manipulators
+ *****************************************************************************/
+
+typedef Q3TextStream & (*Q3TSFUNC)(Q3TextStream &);// manipulator function
+typedef int (Q3TextStream::*Q3TSMFI)(int);	// manipulator w/int argument
+
+class Q_COMPAT_EXPORT Q3TSManip {			// text stream manipulator
+public:
+    Q3TSManip( Q3TSMFI m, int a ) { mf=m; arg=a; }
+    void exec( Q3TextStream &s ) { (s.*mf)(arg); }
+private:
+    Q3TSMFI mf;					// Q3TextStream member function
+    int	   arg;					// member function argument
+};
+
+Q_COMPAT_EXPORT inline Q3TextStream &operator>>( Q3TextStream &s, Q3TSFUNC f )
+{ return (*f)( s ); }
+
+Q_COMPAT_EXPORT inline Q3TextStream &operator<<( Q3TextStream &s, Q3TSFUNC f )
+{ return (*f)( s ); }
+
+Q_COMPAT_EXPORT inline Q3TextStream &operator<<( Q3TextStream &s, Q3TSManip m )
+{ m.exec(s); return s; }
+
+Q_COMPAT_EXPORT Q3TextStream &bin( Q3TextStream &s );	// set bin notation
+Q_COMPAT_EXPORT Q3TextStream &oct( Q3TextStream &s );	// set oct notation
+Q_COMPAT_EXPORT Q3TextStream &dec( Q3TextStream &s );	// set dec notation
+Q_COMPAT_EXPORT Q3TextStream &hex( Q3TextStream &s );	// set hex notation
+Q_COMPAT_EXPORT Q3TextStream &endl( Q3TextStream &s );	// insert EOL ('\n')
+Q_COMPAT_EXPORT Q3TextStream &flush( Q3TextStream &s );	// flush output
+Q_COMPAT_EXPORT Q3TextStream &ws( Q3TextStream &s );	// eat whitespace on input
+Q_COMPAT_EXPORT Q3TextStream &reset( Q3TextStream &s );	// set default flags
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q3TEXTSTREAM_H