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298 lines
9.6 KiB
298 lines
9.6 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef Q3TEXTSTREAM_H
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#define Q3TEXTSTREAM_H
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#include <QtCore/qiodevice.h>
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#include <QtCore/qstring.h>
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#ifndef QT_NO_TEXTCODEC
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#include <QtCore/qtextcodec.h>
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#endif
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#include <Qt3Support/q3cstring.h>
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#include <stdio.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Qt3SupportLight)
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class Q3TextStreamPrivate;
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class Q_COMPAT_EXPORT Q3TextStream // 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 QT_NO_TEXTCODEC
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void setCodec( QTextCodec* );
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QTextCodec *codec();
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#endif
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Q3TextStream();
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Q3TextStream( QIODevice * );
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Q3TextStream( QString*, int mode );
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Q3TextStream( QString&, int mode ); // obsolete
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Q3TextStream( QByteArray&, int mode );
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Q3TextStream( FILE *, int mode );
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virtual ~Q3TextStream();
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QIODevice *device() const;
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void setDevice( QIODevice * );
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void unsetDevice();
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bool atEnd() const;
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bool eof() const;
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Q3TextStream &operator>>( QChar & );
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Q3TextStream &operator>>( char & );
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Q3TextStream &operator>>( signed short & );
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Q3TextStream &operator>>( unsigned short & );
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Q3TextStream &operator>>( signed int & );
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Q3TextStream &operator>>( unsigned int & );
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Q3TextStream &operator>>( signed long & );
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Q3TextStream &operator>>( unsigned long & );
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Q3TextStream &operator>>( float & );
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Q3TextStream &operator>>( double & );
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Q3TextStream &operator>>( char * );
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Q3TextStream &operator>>( QString & );
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Q3TextStream &operator>>( Q3CString & );
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Q3TextStream &operator<<( QChar );
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Q3TextStream &operator<<( char );
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Q3TextStream &operator<<( signed short );
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Q3TextStream &operator<<( unsigned short );
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Q3TextStream &operator<<( signed int );
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Q3TextStream &operator<<( unsigned int );
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Q3TextStream &operator<<( signed long );
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Q3TextStream &operator<<( unsigned long );
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Q3TextStream &operator<<( float );
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Q3TextStream &operator<<( double );
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Q3TextStream &operator<<( const char* );
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Q3TextStream &operator<<( const QString & );
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Q3TextStream &operator<<( const Q3CString & );
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Q3TextStream &operator<<( void * ); // any pointer
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Q3TextStream &readRawBytes( char *, uint len );
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Q3TextStream &writeRawBytes( const char* , uint len );
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QString readLine();
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QString 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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Q3TextStream &output_int( int, ulong, bool );
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QIODevice *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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QTextCodec *mapper;
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QTextCodec::ConverterState mapperReadState;
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QTextCodec::ConverterState mapperWriteState;
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Q3TextStreamPrivate * d;
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QChar unused1; // ### remove in Qt 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 Qt 4.0
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QChar eat_ws();
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uint ts_getline( QChar* );
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void ts_ungetc( QChar );
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QChar ts_getc();
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uint ts_getbuf( QChar*, uint );
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void ts_putc(int);
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void ts_putc(QChar);
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bool ts_isspace(QChar);
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bool ts_isdigit(QChar);
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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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Q3TextStream &writeBlock( const char* p, uint len );
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Q3TextStream &writeBlock( const QChar* p, uint len );
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private: // Disabled copy constructor and operator=
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#if defined(Q_DISABLE_COPY)
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Q3TextStream( const Q3TextStream & );
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Q3TextStream &operator=( const Q3TextStream & );
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#endif
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};
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/*****************************************************************************
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Q3TextStream inline functions
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*****************************************************************************/
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inline QIODevice *Q3TextStream::device() const
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{ return dev; }
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inline bool Q3TextStream::atEnd() const
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{ return dev ? dev->atEnd() : FALSE; }
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inline bool Q3TextStream::eof() const
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{ return atEnd(); }
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inline int Q3TextStream::flags() const
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{ return fflags; }
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inline int Q3TextStream::flags( int f )
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{ int oldf = fflags; fflags = f; return oldf; }
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inline int Q3TextStream::setf( int bits )
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{ int oldf = fflags; fflags |= bits; return oldf; }
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inline int Q3TextStream::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 Q3TextStream::unsetf( int bits )
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{ int oldf = fflags; fflags &= ~bits; return oldf; }
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inline int Q3TextStream::width() const
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{ return fwidth; }
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inline int Q3TextStream::width( int w )
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{ int oldw = fwidth; fwidth = w; return oldw; }
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inline int Q3TextStream::fill() const
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{ return fillchar; }
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inline int Q3TextStream::fill( int f )
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{ int oldc = fillchar; fillchar = f; return oldc; }
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inline int Q3TextStream::precision() const
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{ return fprec; }
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inline int Q3TextStream::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 QChar Q3TextStream::ts_getc()
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{ QChar r; return ( ts_getbuf( &r,1 ) == 1 ? r : QChar((ushort)0xffff) ); }
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/*****************************************************************************
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Q3TextStream manipulators
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*****************************************************************************/
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typedef Q3TextStream & (*Q3TSFUNC)(Q3TextStream &);// manipulator function
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typedef int (Q3TextStream::*Q3TSMFI)(int); // manipulator w/int argument
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class Q_COMPAT_EXPORT Q3TSManip { // text stream manipulator
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public:
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Q3TSManip( Q3TSMFI m, int a ) { mf=m; arg=a; }
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void exec( Q3TextStream &s ) { (s.*mf)(arg); }
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private:
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Q3TSMFI mf; // Q3TextStream member function
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int arg; // member function argument
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};
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Q_COMPAT_EXPORT inline Q3TextStream &operator>>( Q3TextStream &s, Q3TSFUNC f )
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{ return (*f)( s ); }
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Q_COMPAT_EXPORT inline Q3TextStream &operator<<( Q3TextStream &s, Q3TSFUNC f )
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{ return (*f)( s ); }
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Q_COMPAT_EXPORT inline Q3TextStream &operator<<( Q3TextStream &s, Q3TSManip m )
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{ m.exec(s); return s; }
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Q_COMPAT_EXPORT Q3TextStream &bin( Q3TextStream &s ); // set bin notation
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Q_COMPAT_EXPORT Q3TextStream &oct( Q3TextStream &s ); // set oct notation
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Q_COMPAT_EXPORT Q3TextStream &dec( Q3TextStream &s ); // set dec notation
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Q_COMPAT_EXPORT Q3TextStream &hex( Q3TextStream &s ); // set hex notation
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Q_COMPAT_EXPORT Q3TextStream &endl( Q3TextStream &s ); // insert EOL ('\n')
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Q_COMPAT_EXPORT Q3TextStream &flush( Q3TextStream &s ); // flush output
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Q_COMPAT_EXPORT Q3TextStream &ws( Q3TextStream &s ); // eat whitespace on input
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Q_COMPAT_EXPORT Q3TextStream &reset( Q3TextStream &s ); // set default flags
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q3TEXTSTREAM_H
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