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Diffstat (limited to 'qtools/qtextstream.h')
| -rw-r--r-- | qtools/qtextstream.h | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/qtools/qtextstream.h b/qtools/qtextstream.h new file mode 100644 index 0000000..c5f5ba1 --- /dev/null +++ b/qtools/qtextstream.h @@ -0,0 +1,351 @@ +/**************************************************************************** +** +** +** Definition of QTextStream class +** +** Created : 940922 +** +** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +** This file is part of the tools module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses may use this file in accordance with the Qt Commercial License +** Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#ifndef QTEXTSTREAM_H +#define QTEXTSTREAM_H + +#ifndef QT_H +#include "qiodevice.h" +#include "qstring.h" +#include <stdio.h> +#endif // QT_H + +#ifndef QT_NO_TEXTSTREAM +class QTextCodec; +class QTextDecoder; + +class QTextStreamPrivate; + +class Q_EXPORT QTextStream // text stream class +{ +public: + enum Encoding { Locale, Latin1, Unicode, UnicodeNetworkOrder, + UnicodeReverse, RawUnicode, UnicodeUTF8 }; + + void setEncoding( Encoding ); +#ifndef QT_NO_TEXTCODEC + void setCodec( QTextCodec* ); +#endif + + // Encoding encoding() const { return cmode; } + + QTextStream(); + QTextStream( QIODevice * ); + QTextStream( QString*, int mode ); + QTextStream( QString&, int mode ); // obsolete + QTextStream( QByteArray, int mode ); + QTextStream( FILE *, int mode ); + virtual ~QTextStream(); + + QIODevice *device() const; + void setDevice( QIODevice * ); + void unsetDevice(); + + bool atEnd() const; + bool eof() const; + + QTextStream &operator>>( QChar & ); + QTextStream &operator>>( char & ); + QTextStream &operator>>( signed short & ); + QTextStream &operator>>( unsigned short & ); + QTextStream &operator>>( signed int & ); + QTextStream &operator>>( unsigned int & ); + QTextStream &operator>>( signed long & ); + QTextStream &operator>>( unsigned long & ); + QTextStream &operator>>( float & ); + QTextStream &operator>>( double & ); + QTextStream &operator>>( char * ); + QTextStream &operator>>( QString & ); + QTextStream &operator>>( QCString & ); + + QTextStream &operator<<( QChar ); + QTextStream &operator<<( char ); + QTextStream &operator<<( signed short ); + QTextStream &operator<<( unsigned short ); + QTextStream &operator<<( signed int ); + QTextStream &operator<<( unsigned int ); + QTextStream &operator<<( signed long ); + QTextStream &operator<<( unsigned long ); + QTextStream &operator<<( float ); + QTextStream &operator<<( double ); + QTextStream &operator<<( const char* ); + QTextStream &operator<<( const QString & ); + QTextStream &operator<<( const QCString & ); + QTextStream &operator<<( void * ); // any pointer + + QTextStream &readRawBytes( char *, uint len ); + QTextStream &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(); + QTextStream &output_int( int, ulong, bool ); + QIODevice *dev; + bool isNetworkOrder() { return internalOrder == QChar::networkOrdered(); } + + int fflags; + int fwidth; + int fillchar; + int fprec; + bool fstrm; + bool owndev; + QTextCodec *mapper; + QTextStreamPrivate * d; + QChar ungetcBuf; + bool latin1; + bool internalOrder; + bool doUnicodeHeader; + void *reserved_ptr; + + QChar eat_ws(); + 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(); + QTextStream &writeBlock( const char* p, uint len ); + QTextStream &writeBlock( const QChar* p, uint len ); + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + QTextStream( const QTextStream & ); + QTextStream &operator=( const QTextStream & ); +#endif +}; + +typedef QTextStream QTS; + +class Q_EXPORT QTextIStream : public QTextStream { +public: + QTextIStream( QString* s ) : + QTextStream(s,IO_ReadOnly) { } + QTextIStream( QByteArray ba ) : + QTextStream(ba,IO_ReadOnly) { } + QTextIStream( FILE *f ) : + QTextStream(f,IO_ReadOnly) { } +}; + +class Q_EXPORT QTextOStream : public QTextStream { +public: + QTextOStream( QString* s ) : + QTextStream(s,IO_WriteOnly) { } + QTextOStream( QByteArray ba ) : + QTextStream(ba,IO_WriteOnly) { } + QTextOStream( FILE *f ) : + QTextStream(f,IO_WriteOnly) { } +}; + +/***************************************************************************** + QTextStream inline functions + *****************************************************************************/ + +inline QIODevice *QTextStream::device() const +{ return dev; } + +inline bool QTextStream::atEnd() const +{ return dev ? dev->atEnd() : FALSE; } + +inline bool QTextStream::eof() const +{ return atEnd(); } + +inline int QTextStream::flags() const +{ return fflags; } + +inline int QTextStream::flags( int f ) +{ int oldf = fflags; fflags = f; return oldf; } + +inline int QTextStream::setf( int bits ) +{ int oldf = fflags; fflags |= bits; return oldf; } + +inline int QTextStream::setf( int bits, int mask ) +{ int oldf = fflags; fflags = (fflags & ~mask) | (bits & mask); return oldf; } + +inline int QTextStream::unsetf( int bits ) +{ int oldf = fflags; fflags &= ~bits; return oldf; } + +inline int QTextStream::width() const +{ return fwidth; } + +inline int QTextStream::width( int w ) +{ int oldw = fwidth; fwidth = w; return oldw; } + +inline int QTextStream::fill() const +{ return fillchar; } + +inline int QTextStream::fill( int f ) +{ int oldc = fillchar; fillchar = f; return oldc; } + +inline int QTextStream::precision() const +{ return fprec; } + +inline int QTextStream::precision( int p ) +{ int oldp = fprec; fprec = p; return oldp; } + +/*! + Returns one character from the stream, or EOF. +*/ +inline QChar QTextStream::ts_getc() +{ QChar r; return ( ts_getbuf( &r,1 ) == 1 ? r : QChar((ushort)0xffff) ); } + +/***************************************************************************** + QTextStream manipulators + *****************************************************************************/ + +typedef QTextStream & (*QTSFUNC)(QTextStream &);// manipulator function +typedef int (QTextStream::*QTSMFI)(int); // manipulator w/int argument + +class Q_EXPORT QTSManip { // text stream manipulator +public: + QTSManip( QTSMFI m, int a ) { mf=m; arg=a; } + void exec( QTextStream &s ) { (s.*mf)(arg); } +private: + QTSMFI mf; // QTextStream member function + int arg; // member function argument +}; + +Q_EXPORT inline QTextStream &operator>>( QTextStream &s, QTSFUNC f ) +{ return (*f)( s ); } + +Q_EXPORT inline QTextStream &operator<<( QTextStream &s, QTSFUNC f ) +{ return (*f)( s ); } + +Q_EXPORT inline QTextStream &operator<<( QTextStream &s, QTSManip m ) +{ m.exec(s); return s; } + +Q_EXPORT QTextStream &bin( QTextStream &s ); // set bin notation +Q_EXPORT QTextStream &oct( QTextStream &s ); // set oct notation +Q_EXPORT QTextStream &dec( QTextStream &s ); // set dec notation +Q_EXPORT QTextStream &hex( QTextStream &s ); // set hex notation +Q_EXPORT QTextStream &endl( QTextStream &s ); // insert EOL ('\n') +Q_EXPORT QTextStream &flush( QTextStream &s ); // flush output +Q_EXPORT QTextStream &ws( QTextStream &s ); // eat whitespace on input +Q_EXPORT QTextStream &reset( QTextStream &s ); // set default flags + +Q_EXPORT inline QTSManip qSetW( int w ) +{ + QTSMFI func = &QTextStream::width; + return QTSManip(func,w); +} + +Q_EXPORT inline QTSManip qSetFill( int f ) +{ + QTSMFI func = &QTextStream::fill; + return QTSManip(func,f); +} + +Q_EXPORT inline QTSManip qSetPrecision( int p ) +{ + QTSMFI func = &QTextStream::precision; + return QTSManip(func,p); +} + + +#ifndef QT_ALTERNATE_QTSMANIP + +// These will go away in Qt 3.0, as they conflict with std libs +// +// If you get conflicts now, #define QT_ALTERNATE_QTSMANIP before +// including this file. + +Q_EXPORT inline QTSManip setw( int w ) +{ + QTSMFI func = &QTextStream::width; + return QTSManip(func,w); +} + +Q_EXPORT inline QTSManip setfill( int f ) +{ + QTSMFI func = &QTextStream::fill; + return QTSManip(func,f); +} + +Q_EXPORT inline QTSManip setprecision( int p ) +{ + QTSMFI func = &QTextStream::precision; + return QTSManip(func,p); +} +#endif + +#endif // QT_NO_TEXTSTREAM +#endif // QTEXTSTREAM_H |