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Diffstat (limited to 'src/tools/qtextstream.h')
| -rw-r--r-- | src/tools/qtextstream.h | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/src/tools/qtextstream.h b/src/tools/qtextstream.h new file mode 100644 index 000000000..8cf70af35 --- /dev/null +++ b/src/tools/qtextstream.h @@ -0,0 +1,338 @@ +/**************************************************************************** +** +** Definition of TQTextStream class +** +** Created : 940922 +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** 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 retquirements 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 TQTEXTSTREAM_H +#define TQTEXTSTREAM_H + +#ifndef QT_H +#include "qiodevice.h" +#include "qstring.h" +#include <stdio.h> +#endif // QT_H + +#ifndef QT_NO_TEXTSTREAM +class TQTextCodec; +class TQTextDecoder; + +class TQTextStreamPrivate; + +class Q_EXPORT TQTextStream // text stream class +{ +public: + enum Encoding { Locale, Latin1, Unicode, UnicodeNetworkOrder, + UnicodeReverse, RawUnicode, UnicodeUTF8 }; + + void setEncoding( Encoding ); +#ifndef QT_NO_TEXTCODEC + void setCodec( TQTextCodec* ); + TQTextCodec *codec(); +#endif + + TQTextStream(); + TQTextStream( TQIODevice * ); + TQTextStream( TQString*, int mode ); + TQTextStream( TQString&, int mode ); // obsolete + TQTextStream( TQByteArray, int mode ); + TQTextStream( FILE *, int mode ); + virtual ~TQTextStream(); + + TQIODevice *device() const; + void setDevice( TQIODevice * ); + void unsetDevice(); + + bool atEnd() const; + bool eof() const; + + TQTextStream &operator>>( TQChar & ); + TQTextStream &operator>>( char & ); + TQTextStream &operator>>( signed short & ); + TQTextStream &operator>>( unsigned short & ); + TQTextStream &operator>>( signed int & ); + TQTextStream &operator>>( unsigned int & ); + TQTextStream &operator>>( signed long & ); + TQTextStream &operator>>( unsigned long & ); + TQTextStream &operator>>( float & ); + TQTextStream &operator>>( double & ); + TQTextStream &operator>>( char * ); + TQTextStream &operator>>( TQString & ); + TQTextStream &operator>>( TQCString & ); + + TQTextStream &operator<<( TQChar ); + TQTextStream &operator<<( char ); + TQTextStream &operator<<( signed short ); + TQTextStream &operator<<( unsigned short ); + TQTextStream &operator<<( signed int ); + TQTextStream &operator<<( unsigned int ); + TQTextStream &operator<<( signed long ); + TQTextStream &operator<<( unsigned long ); + TQTextStream &operator<<( float ); + TQTextStream &operator<<( double ); + TQTextStream &operator<<( const char* ); + TQTextStream &operator<<( const TQString & ); + TQTextStream &operator<<( const TQCString & ); + TQTextStream &operator<<( void * ); // any pointer + + TQTextStream &readRawBytes( char *, uint len ); + TQTextStream &writeRawBytes( const char* , uint len ); + + TQString readLine(); + TQString 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(); + TQTextStream &output_int( int, ulong, bool ); + TQIODevice *dev; + + int fflags; + int fwidth; + int fillchar; + int fprec; + bool doUnicodeHeader; + bool owndev; + TQTextCodec *mapper; + TQTextStreamPrivate * d; + TQChar unused1; // ### remove in TQt 4.0 + bool latin1; + bool internalOrder; + bool networkOrder; + void *unused2; // ### remove in TQt 4.0 + + TQChar eat_ws(); + uint ts_getline( TQChar* ); + void ts_ungetc( TQChar ); + TQChar ts_getc(); + uint ts_getbuf( TQChar*, uint ); + void ts_putc(int); + void ts_putc(TQChar); + bool ts_isspace(TQChar); + bool ts_isdigit(TQChar); + ulong input_bin(); + ulong input_oct(); + ulong input_dec(); + ulong input_hex(); + double input_double(); + TQTextStream &writeBlock( const char* p, uint len ); + TQTextStream &writeBlock( const TQChar* p, uint len ); + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + TQTextStream( const TQTextStream & ); + TQTextStream &operator=( const TQTextStream & ); +#endif +}; + +typedef TQTextStream TQTS; + +class Q_EXPORT TQTextIStream : public TQTextStream { +public: + TQTextIStream( const TQString* s ) : + TQTextStream((TQString*)s,IO_ReadOnly) { } + TQTextIStream( TQByteArray ba ) : + TQTextStream(ba,IO_ReadOnly) { } + TQTextIStream( FILE *f ) : + TQTextStream(f,IO_ReadOnly) { } + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + TQTextIStream( const TQTextIStream & ); + TQTextIStream &operator=( const TQTextIStream & ); +#endif +}; + +class Q_EXPORT TQTextOStream : public TQTextStream { +public: + TQTextOStream( TQString* s ) : + TQTextStream(s,IO_WriteOnly) { } + TQTextOStream( TQByteArray ba ) : + TQTextStream(ba,IO_WriteOnly) { } + TQTextOStream( FILE *f ) : + TQTextStream(f,IO_WriteOnly) { } + +private: // Disabled copy constructor and operator= +#if defined(Q_DISABLE_COPY) + TQTextOStream( const TQTextOStream & ); + TQTextOStream &operator=( const TQTextOStream & ); +#endif +}; + +/***************************************************************************** + TQTextStream inline functions + *****************************************************************************/ + +inline TQIODevice *TQTextStream::device() const +{ return dev; } + +inline bool TQTextStream::atEnd() const +{ return dev ? dev->atEnd() : FALSE; } + +inline bool TQTextStream::eof() const +{ return atEnd(); } + +inline int TQTextStream::flags() const +{ return fflags; } + +inline int TQTextStream::flags( int f ) +{ int oldf = fflags; fflags = f; return oldf; } + +inline int TQTextStream::setf( int bits ) +{ int oldf = fflags; fflags |= bits; return oldf; } + +inline int TQTextStream::setf( int bits, int mask ) +{ int oldf = fflags; fflags = (fflags & ~mask) | (bits & mask); return oldf; } + +inline int TQTextStream::unsetf( int bits ) +{ int oldf = fflags; fflags &= ~bits; return oldf; } + +inline int TQTextStream::width() const +{ return fwidth; } + +inline int TQTextStream::width( int w ) +{ int oldw = fwidth; fwidth = w; return oldw; } + +inline int TQTextStream::fill() const +{ return fillchar; } + +inline int TQTextStream::fill( int f ) +{ int oldc = fillchar; fillchar = f; return oldc; } + +inline int TQTextStream::precision() const +{ return fprec; } + +inline int TQTextStream::precision( int p ) +{ int oldp = fprec; fprec = p; return oldp; } + +/*! + Returns one character from the stream, or EOF. +*/ +inline TQChar TQTextStream::ts_getc() +{ TQChar r; return ( ts_getbuf( &r,1 ) == 1 ? r : TQChar((ushort)0xffff) ); } + +/***************************************************************************** + TQTextStream manipulators + *****************************************************************************/ + +typedef TQTextStream & (*TQTSFUNC)(TQTextStream &);// manipulator function +typedef int (TQTextStream::*TQTSMFI)(int); // manipulator w/int argument + +class Q_EXPORT TQTSManip { // text stream manipulator +public: + TQTSManip( TQTSMFI m, int a ) { mf=m; arg=a; } + void exec( TQTextStream &s ) { (s.*mf)(arg); } +private: + TQTSMFI mf; // TQTextStream member function + int arg; // member function argument +}; + +Q_EXPORT inline TQTextStream &operator>>( TQTextStream &s, TQTSFUNC f ) +{ return (*f)( s ); } + +Q_EXPORT inline TQTextStream &operator<<( TQTextStream &s, TQTSFUNC f ) +{ return (*f)( s ); } + +Q_EXPORT inline TQTextStream &operator<<( TQTextStream &s, TQTSManip m ) +{ m.exec(s); return s; } + +Q_EXPORT TQTextStream &bin( TQTextStream &s ); // set bin notation +Q_EXPORT TQTextStream &oct( TQTextStream &s ); // set oct notation +Q_EXPORT TQTextStream &dec( TQTextStream &s ); // set dec notation +Q_EXPORT TQTextStream &hex( TQTextStream &s ); // set hex notation +Q_EXPORT TQTextStream &endl( TQTextStream &s ); // insert EOL ('\n') +Q_EXPORT TQTextStream &flush( TQTextStream &s ); // flush output +Q_EXPORT TQTextStream &ws( TQTextStream &s ); // eat whitespace on input +Q_EXPORT TQTextStream &reset( TQTextStream &s ); // set default flags + +Q_EXPORT inline TQTSManip qSetW( int w ) +{ + TQTSMFI func = &TQTextStream::width; + return TQTSManip(func,w); +} + +Q_EXPORT inline TQTSManip qSetFill( int f ) +{ + TQTSMFI func = &TQTextStream::fill; + return TQTSManip(func,f); +} + +Q_EXPORT inline TQTSManip qSetPrecision( int p ) +{ + TQTSMFI func = &TQTextStream::precision; + return TQTSManip(func,p); +} + +#endif // QT_NO_TEXTSTREAM +#endif // TQTEXTSTREAM_H |