📄 qtextstream-h.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qtextstream.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qtextstream.h</h1><br clear="all">This is the verbatim text of the qtextstream.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/tools/qtextstream.h 2.3.8 edited 2004-05-12 $**** 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_TEXTSTREAMclass <a href="qtextcodec.html">QTextCodec</a>;class <a href="qtextdecoder.html">QTextDecoder</a>;class QTextStreamPrivate;class Q_EXPORT <a href="qtextstream.html">QTextStream</a> // 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 <a href="qtextistream.html">QTextIStream</a> : public <a href="qtextstream.html">QTextStream</a> {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 <a href="qtextostream.html">QTextOStream</a> : public <a href="qtextstream.html">QTextStream</a> {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 functiontypedef int (QTextStream::*QTSMFI)(int); // manipulator w/int argumentclass Q_EXPORT QTSManip { // text stream manipulatorpublic: 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 notationQ_EXPORT QTextStream &oct( QTextStream &s ); // set oct notationQ_EXPORT QTextStream &dec( QTextStream &s ); // set dec notationQ_EXPORT QTextStream &hex( QTextStream &s ); // set hex notationQ_EXPORT QTextStream &endl( QTextStream &s ); // insert EOL ('\n')Q_EXPORT QTextStream &flush( QTextStream &s ); // flush outputQ_EXPORT QTextStream &ws( QTextStream &s ); // eat whitespace on inputQ_EXPORT QTextStream &reset( QTextStream &s ); // set default flagsQ_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</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -