QDataStream Class Reference

#include <qdatastream.h>

Class Description

Definition at line 71 of file qdatastream.h.

Public Types
enum	Version {   Qt_1_0 = 1, Qt_2_0 = 2, Qt_2_1 = 3, Qt_3_0 = 4,   Qt_3_1 = 5, Qt_3_3 = 6, Qt_4_0 = 7, Qt_4_1 = Qt_4_0,   Qt_4_2 = 8, Qt_4_3 = 9, Qt_4_4 = 10, Qt_4_5 = 11,   Qt_4_6 = 12, Qt_4_7 = Qt_4_6, Qt_4_8 = Qt_4_7 }
enum	ByteOrder { BigEndian = QSysInfo::BigEndian, LittleEndian = QSysInfo::LittleEndian }
enum	Status { Ok, ReadPastEnd, ReadCorruptData, WriteFailed }
enum	FloatingPointPrecision { SinglePrecision, DoublePrecision }

Public Member Functions
	QDataStream ()
	QDataStream (QIODevice *)
	QDataStream (QByteArray *, QIODevice::OpenMode flags)
	QDataStream (const QByteArray &)
virtual	~QDataStream ()
QIODevice *	device () const
void	setDevice (QIODevice *)
void	unsetDevice ()
bool	atEnd () const
Status	status () const
void	setStatus (Status status)
void	resetStatus ()
FloatingPointPrecision	floatingPointPrecision () const
void	setFloatingPointPrecision (FloatingPointPrecision precision)
ByteOrder	byteOrder () const
void	setByteOrder (ByteOrder)
int	version () const
void	setVersion (int)
QDataStream &	operator>> (qint8 &i)
QDataStream &	operator>> (quint8 &i)
QDataStream &	operator>> (qint16 &i)
QDataStream &	operator>> (quint16 &i)
QDataStream &	operator>> (qint32 &i)
QDataStream &	operator>> (quint32 &i)
QDataStream &	operator>> (qint64 &i)
QDataStream &	operator>> (quint64 &i)
QDataStream &	operator>> (bool &i)
QDataStream &	operator>> (float &f)
QDataStream &	operator>> (double &f)
QDataStream &	operator>> (char *&str)
QDataStream &	operator<< (qint8 i)
QDataStream &	operator<< (quint8 i)
QDataStream &	operator<< (qint16 i)
QDataStream &	operator<< (quint16 i)
QDataStream &	operator<< (qint32 i)
QDataStream &	operator<< (quint32 i)
QDataStream &	operator<< (qint64 i)
QDataStream &	operator<< (quint64 i)
QDataStream &	operator<< (bool i)
QDataStream &	operator<< (float f)
QDataStream &	operator<< (double f)
QDataStream &	operator<< (const char *str)
QDataStream &	readBytes (char *&, uint &len)
int	readRawData (char *, int len)
QDataStream &	writeBytes (const char *, uint len)
int	writeRawData (const char *, int len)
int	skipRawData (int len)

Member Enumeration Documentation

enum Version

Enumerator
Qt_1_0
Qt_2_0
Qt_2_1
Qt_3_0
Qt_3_1
Qt_3_3
Qt_4_0
Qt_4_1
Qt_4_2
Qt_4_3
Qt_4_4
Qt_4_5
Qt_4_6
Qt_4_7
Qt_4_8

Definition at line 74 of file qdatastream.h.

                 {
        Qt_1_0 = 1,
        Qt_2_0 = 2,
        Qt_2_1 = 3,
        Qt_3_0 = 4,
        Qt_3_1 = 5,
        Qt_3_3 = 6,
        Qt_4_0 = 7,
        Qt_4_1 = Qt_4_0,
        Qt_4_2 = 8,
        Qt_4_3 = 9,
        Qt_4_4 = 10,
        Qt_4_5 = 11,
        Qt_4_6 = 12,
        Qt_4_7 = Qt_4_6,
        Qt_4_8 = Qt_4_7
#if QT_VERSION >= 0x040900
#error Add the datastream version for this Qt version
        Qt_4_9 = Qt_4_8
#endif
    };

enum ByteOrder

Enumerator
BigEndian
LittleEndian

Definition at line 96 of file qdatastream.h.

                   {
        BigEndian = QSysInfo::BigEndian,
        LittleEndian = QSysInfo::LittleEndian
    };

enum Status

Enumerator
Ok
ReadPastEnd
ReadCorruptData
WriteFailed

Definition at line 101 of file qdatastream.h.

                {
        Ok,
        ReadPastEnd,
        ReadCorruptData,
        WriteFailed
    };

enum FloatingPointPrecision

Enumerator
SinglePrecision
DoublePrecision

Definition at line 108 of file qdatastream.h.

                                {
        SinglePrecision,
        DoublePrecision
    };

Constructor & Destructor Documentation

QDataStream

(

)

QDataStream ( QIODevice *  )

explicit

QDataStream	(	QByteArray *	,
		QIODevice::OpenMode	flags
	)

QDataStream

(

const QByteArray &

)

virtual ~QDataStream ( )

virtual

Member Function Documentation

QIODevice * device ( ) const

inline

Definition at line 206 of file qdatastream.h.

{ return dev; }

void setDevice

(

QIODevice *

)

void unsetDevice

(

)

bool atEnd

(

)

const

Status status

(

)

const

void setStatus

(

Status

status

)

void resetStatus

(

)

FloatingPointPrecision floatingPointPrecision

(

)

const

void setFloatingPointPrecision

(

FloatingPointPrecision

precision

)

QDataStream::ByteOrder byteOrder ( ) const

inline

Definition at line 209 of file qdatastream.h.

{ return byteorder; }

void setByteOrder

(

ByteOrder

)

int version ( ) const

inline

Definition at line 212 of file qdatastream.h.

{ return ver; }

void setVersion ( int  v )

inline

Definition at line 215 of file qdatastream.h.

{ ver = v; }

QDataStream& operator>>

(

qint8 &

i

)

QDataStream & operator>> ( quint8 &  i )

inline

Definition at line 218 of file qdatastream.h.

{ return *this >> reinterpret_cast<qint8&>(i); }

QDataStream& operator>>

(

qint16 &

i

)

QDataStream & operator>> ( quint16 &  i )

inline

Definition at line 221 of file qdatastream.h.

{ return *this >> reinterpret_cast<qint16&>(i); }

QDataStream& operator>>

(

qint32 &

i

)

QDataStream & operator>> ( quint32 &  i )

inline

Definition at line 224 of file qdatastream.h.

{ return *this >> reinterpret_cast<qint32&>(i); }

QDataStream& operator>>

(

qint64 &

i

)

QDataStream & operator>> ( quint64 &  i )

inline

Definition at line 227 of file qdatastream.h.

{ return *this >> reinterpret_cast<qint64&>(i); }

QDataStream& operator>>

(

bool &

i

)

QDataStream& operator>>

(

float &

f

)

QDataStream& operator>>

(

double &

f

)

QDataStream& operator>>

(

char *&

str

)

QDataStream& operator<<

(

qint8

i

)

QDataStream & operator<< ( quint8  i )

inline

Definition at line 230 of file qdatastream.h.

{ return *this << qint8(i); }

QDataStream& operator<<

(

qint16

i

)

QDataStream & operator<< ( quint16  i )

inline

Definition at line 233 of file qdatastream.h.

{ return *this << qint16(i); }

QDataStream& operator<<

(

qint32

i

)

QDataStream & operator<< ( quint32  i )

inline

Definition at line 236 of file qdatastream.h.

{ return *this << qint32(i); }

QDataStream& operator<<

(

qint64

i

)

QDataStream & operator<< ( quint64  i )

inline

Definition at line 239 of file qdatastream.h.

{ return *this << qint64(i); }

QDataStream& operator<<

(

bool

i

)

QDataStream& operator<<

(

float

f

)

QDataStream& operator<<

(

double

f

)

QDataStream& operator<<

(

const char *

str

)

QDataStream& readBytes	(	char *&	,
		uint &	len
	)

int readRawData	(	char *	,
		int	len
	)

QDataStream& writeBytes	(	const char *	,
		uint	len
	)

int writeRawData	(	const char *	,
		int	len
	)

int skipRawData

(

int

len

)

---

The documentation for this class was generated from the following file:

• QtCore/qdatastream.h