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342 lines
11 KiB
342 lines
11 KiB
/****************************************************************************
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**
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** Definition of TQTextStream class
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**
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** Created : 940922
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the tools module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQTEXTSTREAM_H
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#define TQTEXTSTREAM_H
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#ifndef QT_H
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#include "ntqiodevice.h"
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#include "ntqstring.h"
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#include <stdio.h>
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#endif // QT_H
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#ifndef TQT_NO_TEXTSTREAM
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class TQTextCodec;
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class TQTextDecoder;
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class TQTextStreamPrivate;
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class TQ_EXPORT TQTextStream // 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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void setEncoding( Encoding );
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#ifndef TQT_NO_TEXTCODEC
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void setCodec( TQTextCodec* );
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TQTextCodec *codec();
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#endif
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TQTextStream();
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TQTextStream( TQIODevice * );
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TQTextStream( TQString*, int mode );
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TQTextStream( TQString&, int mode ); // obsolete
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TQTextStream( TQByteArray, int mode );
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TQTextStream( FILE *, int mode );
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virtual ~TQTextStream();
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TQIODevice *device() const;
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void setDevice( TQIODevice * );
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void unsetDevice();
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bool atEnd() const;
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bool eof() const;
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TQTextStream &operator>>( TQChar & );
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TQTextStream &operator>>( char & );
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TQTextStream &operator>>( signed short & );
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TQTextStream &operator>>( unsigned short & );
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TQTextStream &operator>>( signed int & );
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TQTextStream &operator>>( unsigned int & );
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TQTextStream &operator>>( signed long & );
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TQTextStream &operator>>( unsigned long & );
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TQTextStream &operator>>( float & );
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TQTextStream &operator>>( double & );
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TQTextStream &operator>>( char * );
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TQTextStream &operator>>( TQString & );
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TQTextStream &operator>>( TQCString & );
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TQTextStream &operator<<( TQChar );
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TQTextStream &operator<<( char );
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TQTextStream &operator<<( signed short );
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TQTextStream &operator<<( unsigned short );
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TQTextStream &operator<<( signed int );
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TQTextStream &operator<<( unsigned int );
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TQTextStream &operator<<( signed long );
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TQTextStream &operator<<( unsigned long );
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TQTextStream &operator<<( signed long long );
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TQTextStream &operator<<( unsigned long long );
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TQTextStream &operator<<( float );
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TQTextStream &operator<<( double );
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TQTextStream &operator<<( const char* );
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TQTextStream &operator<<( const TQString & );
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TQTextStream &operator<<( const TQCString & );
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TQTextStream &operator<<( void * ); // any pointer
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TQTextStream &readRawBytes( char *, uint len );
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TQTextStream &writeRawBytes( const char* , uint len );
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TQString readLine();
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TQString read();
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void skipWhiteSpace();
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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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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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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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void reset();
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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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private:
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long input_int();
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void init();
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TQTextStream &output_int( int, unsigned long long, bool );
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TQIODevice *dev;
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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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TQTextCodec *mapper;
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TQTextStreamPrivate * d;
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TQChar unused1; // ### remove in TQt 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 TQt 4.0
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TQChar eat_ws();
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uint ts_getline( TQChar* );
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void ts_ungetc( TQChar );
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TQChar ts_getc();
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uint ts_getbuf( TQChar*, uint );
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void ts_putc(int);
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void ts_putc(TQChar);
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bool ts_isspace(TQChar);
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bool ts_isdigit(TQChar);
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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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TQTextStream &writeBlock( const char* p, uint len );
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TQTextStream &writeBlock( const TQChar* p, uint len );
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private: // Disabled copy constructor and operator=
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#if defined(TQ_DISABLE_COPY)
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TQTextStream( const TQTextStream & );
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TQTextStream &operator=( const TQTextStream & );
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#endif
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};
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typedef TQTextStream TQTS;
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class TQ_EXPORT TQTextIStream : public TQTextStream {
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public:
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TQTextIStream( const TQString* s ) :
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TQTextStream((TQString*)s,IO_ReadOnly) { }
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TQTextIStream( TQByteArray ba ) :
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TQTextStream(ba,IO_ReadOnly) { }
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TQTextIStream( FILE *f ) :
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TQTextStream(f,IO_ReadOnly) { }
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private: // Disabled copy constructor and operator=
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#if defined(TQ_DISABLE_COPY)
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TQTextIStream( const TQTextIStream & );
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TQTextIStream &operator=( const TQTextIStream & );
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#endif
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};
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class TQ_EXPORT TQTextOStream : public TQTextStream {
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public:
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TQTextOStream( TQString* s ) :
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TQTextStream(s,IO_WriteOnly) { }
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TQTextOStream( TQByteArray ba ) :
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TQTextStream(ba,IO_WriteOnly) { }
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TQTextOStream( FILE *f ) :
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TQTextStream(f,IO_WriteOnly) { }
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private: // Disabled copy constructor and operator=
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#if defined(TQ_DISABLE_COPY)
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TQTextOStream( const TQTextOStream & );
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TQTextOStream &operator=( const TQTextOStream & );
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#endif
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};
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/*****************************************************************************
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TQTextStream inline functions
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*****************************************************************************/
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inline TQIODevice *TQTextStream::device() const
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{ return dev; }
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inline bool TQTextStream::atEnd() const
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{ return dev ? dev->atEnd() : FALSE; }
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inline bool TQTextStream::eof() const
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{ return atEnd(); }
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inline int TQTextStream::flags() const
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{ return fflags; }
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inline int TQTextStream::flags( int f )
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{ int oldf = fflags; fflags = f; return oldf; }
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inline int TQTextStream::setf( int bits )
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{ int oldf = fflags; fflags |= bits; return oldf; }
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inline int TQTextStream::setf( int bits, int mask )
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{ int oldf = fflags; fflags = (fflags & ~mask) | (bits & mask); return oldf; }
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inline int TQTextStream::unsetf( int bits )
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{ int oldf = fflags; fflags &= ~bits; return oldf; }
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inline int TQTextStream::width() const
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{ return fwidth; }
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inline int TQTextStream::width( int w )
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{ int oldw = fwidth; fwidth = w; return oldw; }
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inline int TQTextStream::fill() const
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{ return fillchar; }
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inline int TQTextStream::fill( int f )
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{ int oldc = fillchar; fillchar = f; return oldc; }
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inline int TQTextStream::precision() const
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{ return fprec; }
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inline int TQTextStream::precision( int p )
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{ int oldp = fprec; fprec = p; return oldp; }
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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 TQChar TQTextStream::ts_getc()
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{ TQChar r; return ( ts_getbuf( &r,1 ) == 1 ? r : TQChar((ushort)0xffff) ); }
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/*****************************************************************************
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TQTextStream manipulators
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*****************************************************************************/
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typedef TQTextStream & (*TQTSFUNC)(TQTextStream &);// manipulator function
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typedef int (TQTextStream::*TQTSMFI)(int); // manipulator w/int argument
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class TQ_EXPORT TQTSManip { // text stream manipulator
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public:
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TQTSManip( TQTSMFI m, int a ) { mf=m; arg=a; }
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void exec( TQTextStream &s ) { (s.*mf)(arg); }
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private:
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TQTSMFI mf; // TQTextStream member function
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int arg; // member function argument
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};
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TQ_EXPORT inline TQTextStream &operator>>( TQTextStream &s, TQTSFUNC f )
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{ return (*f)( s ); }
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TQ_EXPORT inline TQTextStream &operator<<( TQTextStream &s, TQTSFUNC f )
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{ return (*f)( s ); }
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TQ_EXPORT inline TQTextStream &operator<<( TQTextStream &s, TQTSManip m )
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{ m.exec(s); return s; }
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TQ_EXPORT TQTextStream &bin( TQTextStream &s ); // set bin notation
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TQ_EXPORT TQTextStream &oct( TQTextStream &s ); // set oct notation
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TQ_EXPORT TQTextStream &dec( TQTextStream &s ); // set dec notation
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TQ_EXPORT TQTextStream &hex( TQTextStream &s ); // set hex notation
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TQ_EXPORT TQTextStream &endl( TQTextStream &s ); // insert EOL ('\n')
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TQ_EXPORT TQTextStream &flush( TQTextStream &s ); // flush output
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TQ_EXPORT TQTextStream &ws( TQTextStream &s ); // eat whitespace on input
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TQ_EXPORT TQTextStream &reset( TQTextStream &s ); // set default flags
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TQ_EXPORT inline TQTSManip qSetW( int w )
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{
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TQTSMFI func = &TQTextStream::width;
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return TQTSManip(func,w);
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}
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TQ_EXPORT inline TQTSManip qSetFill( int f )
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{
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TQTSMFI func = &TQTextStream::fill;
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return TQTSManip(func,f);
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}
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TQ_EXPORT inline TQTSManip qSetPrecision( int p )
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{
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TQTSMFI func = &TQTextStream::precision;
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return TQTSManip(func,p);
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}
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#endif // TQT_NO_TEXTSTREAM
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#endif // TQTEXTSTREAM_H
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