QRingBuffer Class Reference

#include <qringbuffer_p.h>

Collaboration diagram for QRingBuffer:

Public Member Functions
	QRingBuffer (int growth=QRINGBUFFER_CHUNKSIZE)
	QRingBuffer (QRingBuffer &&) noexcept=default
QRingBuffer &	operator= (QRingBuffer &&) noexcept=default
void	setChunkSize (int size)
int	chunkSize () const
qint64	nextDataBlockSize () const
const char *	readPointer () const
Q_CORE_EXPORT const char *	readPointerAtPosition (qint64 pos, qint64 &length) const
Q_CORE_EXPORT void	free (qint64 bytes)
Q_CORE_EXPORT char *	reserve (qint64 bytes)
Q_CORE_EXPORT char *	reserveFront (qint64 bytes)
void	truncate (qint64 pos)
Q_CORE_EXPORT void	chop (qint64 bytes)
bool	isEmpty () const
int	getChar ()
void	putChar (char c)
void	ungetChar (char c)
qint64	size () const
Q_CORE_EXPORT void	clear ()
qint64	indexOf (char c) const
Q_CORE_EXPORT qint64	indexOf (char c, qint64 maxLength, qint64 pos=0) const
Q_CORE_EXPORT qint64	read (char *data, qint64 maxLength)
Q_CORE_EXPORT QByteArray	read ()
Q_CORE_EXPORT qint64	peek (char *data, qint64 maxLength, qint64 pos=0) const
Q_CORE_EXPORT void	append (const char *data, qint64 size)
Q_CORE_EXPORT void	append (const QByteArray &qba)
Q_CORE_EXPORT void	append (QByteArray &&qba)
qint64	skip (qint64 length)
Q_CORE_EXPORT qint64	readLineWithoutTerminatingNull (char *data, qint64 maxLength)
Q_CORE_EXPORT qint64	readLine (char *data, qint64 maxLength)
bool	canReadLine () const

Detailed Description

Definition at line 133 of file qringbuffer_p.h.

Constructor & Destructor Documentation

QRingBuffer() [1/2]

QRingBuffer::QRingBuffer ( int growth = QRINGBUFFER_CHUNKSIZE )

inlineexplicit

Definition at line 137 of file qringbuffer_p.h.

QRingBuffer() [2/2]

QRingBuffer::QRingBuffer ( QRingBuffer && )

defaultnoexcept

Member Function Documentation

append() [1/3]

void QRingBuffer::append	(	const char *	data,
		qint64	size )

Append bytes from data to the end

Definition at line 300 of file qringbuffer.cpp.

append() [2/3]

void QRingBuffer::append

(

const QByteArray &

qba

)

Append a new buffer to the end

Definition at line 319 of file qringbuffer.cpp.

append() [3/3]

void QRingBuffer::append

(

QByteArray &&

qba

)

Append a new buffer to the end

Definition at line 333 of file qringbuffer.cpp.

canReadLine()

bool QRingBuffer::canReadLine ( ) const

inline

Definition at line 220 of file qringbuffer_p.h.

chop()

void QRingBuffer::chop

(

qint64

bytes

)

Definition at line 164 of file qringbuffer.cpp.

chunkSize()

int QRingBuffer::chunkSize ( ) const

inline

Definition at line 147 of file qringbuffer_p.h.

clear()

void QRingBuffer::clear

(

)

Definition at line 197 of file qringbuffer.cpp.

free()

void QRingBuffer::free

(

qint64

bytes

)

Definition at line 73 of file qringbuffer.cpp.

getChar()

int QRingBuffer::getChar ( )

inline

Definition at line 176 of file qringbuffer_p.h.

References isEmpty(), and readPointer().

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indexOf() [1/2]

qint64 QRingBuffer::indexOf ( char c ) const

inline

Definition at line 201 of file qringbuffer_p.h.

indexOf() [2/2]

qint64 QRingBuffer::indexOf	(	char	c,
		qint64	maxLength,
		qint64	pos = 0 ) const

Definition at line 207 of file qringbuffer.cpp.

isEmpty()

bool QRingBuffer::isEmpty ( ) const

inline

Definition at line 172 of file qringbuffer_p.h.

Referenced by getChar().

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nextDataBlockSize()

qint64 QRingBuffer::nextDataBlockSize ( ) const

inline

Definition at line 151 of file qringbuffer_p.h.

operator=()

QRingBuffer & QRingBuffer::operator= ( QRingBuffer && )

defaultnoexcept

peek()

qint64 QRingBuffer::peek	(	char *	data,
		qint64	maxLength,
		qint64	pos = 0 ) const

Peek the bytes from a specified position

Definition at line 272 of file qringbuffer.cpp.

putChar()

void QRingBuffer::putChar ( char c )

inline

Definition at line 184 of file qringbuffer_p.h.

read() [1/2]

QByteArray QRingBuffer::read

(

)

Read an unspecified amount (will read the first buffer)

Definition at line 258 of file qringbuffer.cpp.

read() [2/2]

qint64 QRingBuffer::read	(	char *	data,
		qint64	maxLength )

Definition at line 238 of file qringbuffer.cpp.

readLine()

qint64 QRingBuffer::readLine	(	char *	data,
		qint64	maxLength )

Definition at line 353 of file qringbuffer.cpp.

readLineWithoutTerminatingNull()

qint64 QRingBuffer::readLineWithoutTerminatingNull	(	char *	data,
		qint64	maxLength )

Definition at line 343 of file qringbuffer.cpp.

readPointer()

const char * QRingBuffer::readPointer ( ) const

inline

Definition at line 155 of file qringbuffer_p.h.

Referenced by getChar().

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readPointerAtPosition()

const char * QRingBuffer::readPointerAtPosition	(	qint64	pos,
		qint64 &	length ) const

Access the bytes at a specified position the out-variable length will contain the amount of bytes readable from there, e.g. the amount still the same QByteArray

Definition at line 56 of file qringbuffer.cpp.

reserve()

char * QRingBuffer::reserve

(

qint64

bytes

)

Definition at line 106 of file qringbuffer.cpp.

reserveFront()

char * QRingBuffer::reserveFront

(

qint64

bytes

)

Allocate data at buffer head

Definition at line 136 of file qringbuffer.cpp.

setChunkSize()

void QRingBuffer::setChunkSize ( int size )

inline

Definition at line 143 of file qringbuffer_p.h.

size()

qint64 QRingBuffer::size ( ) const

inline

Definition at line 196 of file qringbuffer_p.h.

skip()

qint64 QRingBuffer::skip ( qint64 length )

inline

Definition at line 210 of file qringbuffer_p.h.

truncate()

void QRingBuffer::truncate ( qint64 pos )

inline

Definition at line 164 of file qringbuffer_p.h.

ungetChar()

void QRingBuffer::ungetChar ( char c )

inline

Definition at line 189 of file qringbuffer_p.h.

---

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

• qtbase/src/corelib/tools/qringbuffer_p.h (c39c3fe0cb104563c1baf0d474cc83bffd503b23)
• qtbase/src/corelib/tools/qringbuffer.cpp (c39c3fe0cb104563c1baf0d474cc83bffd503b23)