QIODevicePrivate Class Reference

#include <qiodevice_p.h>

Inheritance diagram for QIODevicePrivate:

Collaboration diagram for QIODevicePrivate:

Classes
class	QRingBufferRef

Public Types
enum	AccessMode : quint8 { Unset , Sequential , RandomAccess }
Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
using	ConnectionDataPointer = QExplicitlySharedDataPointer< ConnectionData >

Public Member Functions
	QIODevicePrivate ()
virtual	~QIODevicePrivate ()
virtual bool	putCharHelper (char c)
bool	isSequential () const
bool	isBufferEmpty () const
bool	allWriteBuffersEmpty () const
void	seekBuffer (qint64 newPos)
void	setCurrentReadChannel (int channel)
void	setCurrentWriteChannel (int channel)
void	setReadChannelCount (int count)
void	setWriteChannelCount (int count)
qint64	read (char *data, qint64 maxSize, bool peeking=false)
qint64	readLine (char *data, qint64 maxSize)
virtual qint64	peek (char *data, qint64 maxSize)
virtual QByteArray	peek (qint64 maxSize)
qint64	skipByReading (qint64 maxSize)
void	write (const char *data, qint64 size)
bool	isWriteChunkCached (const char *data, qint64 size) const
Public Member Functions inherited from QObjectPrivate
void	ensureExtraData ()
	QObjectPrivate (int version=QObjectPrivateVersion)
virtual	~QObjectPrivate ()
void	deleteChildren ()
void	clearBindingStorage ()
void	checkForIncompatibleLibraryVersion (int version) const
void	setParent_helper (QObject *)
void	moveToThread_helper ()
void	setThreadData_helper (QThreadData *currentData, QThreadData *targetData, QBindingStatus *status)
void	_q_reregisterTimers (void *pointer)
bool	isSender (const QObject *receiver, const char *signal) const
QObjectList	receiverList (const char *signal) const
QObjectList	senderList () const
void	ensureConnectionData ()
void	addConnection (int signal, Connection *c)
int	signalIndex (const char *signalName, const QMetaObject **meta=nullptr) const
bool	isSignalConnected (uint signalIdx, bool checkDeclarative=true) const
bool	maybeSignalConnected (uint signalIndex) const
bool	isDeclarativeSignalConnected (uint signalIdx) const
void	connectNotify (const QMetaMethod &signal)
void	disconnectNotify (const QMetaMethod &signal)
void	reinitBindingStorageAfterThreadMove ()
virtual std::string	flagsForDumping () const
QtPrivate::QPropertyAdaptorSlotObject *	getPropertyAdaptorSlotObject (const QMetaProperty &property)
Public Member Functions inherited from QObjectData
	QObjectData ()=default
virtual	~QObjectData ()=0
QMetaObject *	dynamicMetaObject () const

Public Attributes
qint64	pos = 0
qint64	devicePos = 0
qint64	transactionPos = 0
QRingBufferRef	buffer
QRingBufferRef	writeBuffer
const QByteArray *	currentWriteChunk = nullptr
int	readChannelCount = 0
int	writeChannelCount = 0
int	currentReadChannel = 0
int	currentWriteChannel = 0
int	readBufferChunkSize = QIODEVICE_BUFFERSIZE
int	writeBufferChunkSize = 0
QVarLengthArray< QRingBuffer, 2 >	readBuffers
QVarLengthArray< QRingBuffer, 1 >	writeBuffers
QString	errorString
QIODevice::OpenMode	openMode = QIODevice::NotOpen
bool	transactionStarted = false
bool	baseReadLineDataCalled = false
AccessMode	accessMode = Unset
Public Attributes inherited from QObjectPrivate
ExtraData *	extraData
QAtomicPointer< QThreadData >	threadData
QAtomicPointer< ConnectionData >	connections
union {
QObject *   currentChildBeingDeleted
QAbstractDeclarativeData *   declarativeData
};
QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount
Public Attributes inherited from QObjectData
QObject *	q_ptr
QObject *	parent
QObjectList	children
uint	isWidget: 1
uint	blockSig: 1
uint	wasDeleted: 1
uint	isDeletingChildren: 1
uint	sendChildEvents: 1
uint	receiveChildEvents: 1
uint	isWindow: 1
uint	deleteLaterCalled: 1
uint	isQuickItem: 1
uint	willBeWidget: 1
uint	wasWidget: 1
uint	unused: 21
QAtomicInt	postedEvents
QDynamicMetaObjectData *	metaObject
QBindingStorage	bindingStorage

Additional Inherited Members
Static Public Member Functions inherited from QObjectPrivate
static bool	removeConnection (Connection *c)
static QObjectPrivate *	get (QObject *o)
static const QObjectPrivate *	get (const QObject *o)
template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiverPrivate, Func2 slot, Qt::ConnectionType type=Qt::AutoConnection)
template<typename Func1 , typename Func2 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiverPrivate, Func2 slot)
static QMetaObject::Connection	connectImpl (const QObject *sender, int signal_index, const QObject *receiver, void **slot, QtPrivate::QSlotObjectBase *slotObj, int type, const int *types, const QMetaObject *senderMetaObject)
static QMetaObject::Connection	connect (const QObject *sender, int signal_index, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType type)
static QMetaObject::Connection	connect (const QObject *sender, int signal_index, const QObject *receiver, QtPrivate::QSlotObjectBase *slotObj, Qt::ConnectionType type)
static bool	disconnect (const QObject *sender, int signal_index, void **slot)
static bool	disconnect (const QObject *sender, int signal_index, const QObject *receiver, void **slot)

Detailed Description

Definition at line 36 of file qiodevice_p.h.

Member Enumeration Documentation

AccessMode

enum QIODevicePrivate::AccessMode : quint8

Enumerator
Unset
Sequential
RandomAccess

Definition at line 112 of file qiodevice_p.h.

Constructor & Destructor Documentation

QIODevicePrivate()

QIODevicePrivate::QIODevicePrivate

(

)

Definition at line 124 of file qiodevice.cpp.

~QIODevicePrivate()

QIODevicePrivate::~QIODevicePrivate ( )

virtual

Definition at line 131 of file qiodevice.cpp.

Member Function Documentation

allWriteBuffersEmpty()

bool QIODevicePrivate::allWriteBuffersEmpty

(

)

const

Definition at line 740 of file qiodevice.cpp.

References writeBuffers.

Referenced by QAbstractSocketPrivate::flush().

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isBufferEmpty()

bool QIODevicePrivate::isBufferEmpty ( ) const

inline

Definition at line 125 of file qiodevice_p.h.

Referenced by read().

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isSequential()

bool QIODevicePrivate::isSequential ( ) const

inline

Definition at line 118 of file qiodevice_p.h.

Referenced by QFileDevicePrivate::putCharHelper(), read(), and readLine().

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isWriteChunkCached()

bool QIODevicePrivate::isWriteChunkCached ( const char *  data, qint64  size  ) const

inline

Definition at line 154 of file qiodevice_p.h.

References QByteArray::constData(), and QByteArray::size().

Referenced by write().

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peek() [1/2]

qint64 QIODevicePrivate::peek ( char *  data, qint64  maxSize  )

virtual

Reimplemented in QBufferPrivate, and QSslSocketPrivate.

Definition at line 1824 of file qiodevice.cpp.

References read().

Referenced by QSslSocketPrivate::peek(), and QSslSocketPrivate::peek().

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peek() [2/2]

QByteArray QIODevicePrivate::peek ( qint64  maxSize )

virtual

Reimplemented in QBufferPrivate, and QSslSocketPrivate.

Definition at line 1832 of file qiodevice.cpp.

References read(), and Qt::Uninitialized.

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putCharHelper()

bool QIODevicePrivate::putCharHelper ( char  c )

virtual

Reimplemented in QFileDevicePrivate.

Definition at line 1816 of file qiodevice.cpp.

Referenced by QFileDevicePrivate::putCharHelper().

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read()

qint64 QIODevicePrivate::read	(	char *	data,
		qint64	maxSize,
		bool	peeking = false
	)

Definition at line 1036 of file qiodevice.cpp.

References ch, devicePos, forever, isBufferEmpty(), isSequential(), openMode, pos, Q_INT64_C, qMax(), readBufferChunkSize, readFromDevice(), seekBuffer(), QIODeviceBase::Text, transactionPos, transactionStarted, and QIODeviceBase::Unbuffered.

Referenced by QAbstractSocketPrivate::pauseSocketNotifiers(), peek(), peek(), and skipByReading().

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readLine()

qint64 QIODevicePrivate::readLine	(	char *	data,
		qint64	maxSize
	)

Definition at line 1338 of file qiodevice.cpp.

References baseReadLineDataCalled, debugBinaryString(), devicePos, i, isSequential(), openMode, pos, Q_ASSERT, QIODeviceBase::Text, transactionPos, and transactionStarted.

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seekBuffer()

void QIODevicePrivate::seekBuffer

(

qint64

newPos

)

Definition at line 883 of file qiodevice.cpp.

References pos.

Referenced by read().

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setCurrentReadChannel()

void QIODevicePrivate::setCurrentReadChannel ( int  channel )

inline

Definition at line 134 of file qiodevice_p.h.

References channel, and QVLABaseBase::size().

Referenced by setReadChannelCount().

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setCurrentWriteChannel()

void QIODevicePrivate::setCurrentWriteChannel ( int  channel )

inline

Definition at line 139 of file qiodevice_p.h.

References channel, and QVLABaseBase::size().

Referenced by setWriteChannelCount().

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setReadChannelCount()

void QIODevicePrivate::setReadChannelCount

(

int

count

)

Definition at line 661 of file qiodevice.cpp.

References currentReadChannel, QVarLengthArray< T, Prealloc >::emplace_back(), QIODEVICE_BUFFERSIZE, readBufferChunkSize, readBuffers, readChannelCount, QVarLengthArray< T, Prealloc >::reserve(), QVarLengthArray< T, Prealloc >::resize(), setCurrentReadChannel(), and QVLABaseBase::size().

Referenced by QAbstractSocketPrivate::fetchConnectionParameters().

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setWriteChannelCount()

void QIODevicePrivate::setWriteChannelCount

(

int

count

)

Definition at line 720 of file qiodevice.cpp.

References currentWriteChannel, QVarLengthArray< T, Prealloc >::emplace_back(), QVarLengthArray< T, Prealloc >::reserve(), QVarLengthArray< T, Prealloc >::resize(), setCurrentWriteChannel(), QVLABaseBase::size(), writeBufferChunkSize, writeBuffers, and writeChannelCount.

Referenced by QAbstractSocketPrivate::fetchConnectionParameters().

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skipByReading()

qint64 QIODevicePrivate::skipByReading

(

qint64

maxSize

)

Definition at line 2003 of file qiodevice.cpp.

References read().

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write()

void QIODevicePrivate::write	(	const char *	data,
		qint64	size
	)

Definition at line 1760 of file qiodevice.cpp.

References currentWriteChunk, and isWriteChunkCached().

Referenced by QAbstractSocketPrivate::pauseSocketNotifiers().

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Member Data Documentation

accessMode

AccessMode QIODevicePrivate::accessMode = Unset

mutable

Definition at line 117 of file qiodevice_p.h.

baseReadLineDataCalled

bool QIODevicePrivate::baseReadLineDataCalled = false

Definition at line 108 of file qiodevice_p.h.

Referenced by readLine().

buffer

QRingBufferRef QIODevicePrivate::buffer

Definition at line 92 of file qiodevice_p.h.

Referenced by QNetworkReplyWasmImplPrivate::downloadFailed(), QNetworkReplyWasmImplPrivate::downloadSucceeded(), and QSslSocketPrivate::tlsBuffer().

currentReadChannel

int QIODevicePrivate::currentReadChannel = 0

Definition at line 97 of file qiodevice_p.h.

Referenced by QSctpSocketPrivate::canReadNotification(), QAbstractSocketPrivate::emitReadyRead(), and setReadChannelCount().

currentWriteChannel

int QIODevicePrivate::currentWriteChannel = 0

Definition at line 98 of file qiodevice_p.h.

Referenced by QAbstractSocketPrivate::emitBytesWritten(), setWriteChannelCount(), and QSctpSocketPrivate::writeToSocket().

currentWriteChunk

const QByteArray* QIODevicePrivate::currentWriteChunk = nullptr

Definition at line 94 of file qiodevice_p.h.

Referenced by write().

devicePos

qint64 QIODevicePrivate::devicePos = 0

Definition at line 54 of file qiodevice_p.h.

Referenced by QFileDevicePrivate::putCharHelper(), read(), and readLine().

errorString

QString QIODevicePrivate::errorString

Definition at line 104 of file qiodevice_p.h.

Referenced by QLocalSocketPrivate::_q_errorOccurred(), QNetworkReplyWasmImplPrivate::emitReplyError(), QLocalSocketPrivate::generateErrorString(), QNetworkReplyHttpImplPrivate::httpError(), QAbstractSocketPrivate::setError(), QFileDevicePrivate::setError(), QFileDevicePrivate::setError(), QFileDevicePrivate::setError(), QAbstractSocketPrivate::setErrorAndEmit(), QLocalSocketPrivate::setErrorAndEmit(), and QTlsPrivate::TlsCryptographOpenSSL::transmit().

openMode

QIODevice::OpenMode QIODevicePrivate::openMode = QIODevice::NotOpen

Definition at line 105 of file qiodevice_p.h.

Referenced by QSslSocketPrivate::createPlainSocket(), QFileDevicePrivate::putCharHelper(), read(), and readLine().

pos

qint64 QIODevicePrivate::pos = 0

Definition at line 53 of file qiodevice_p.h.

Referenced by QBufferPrivate::peek(), QBufferPrivate::peek(), QFileDevicePrivate::putCharHelper(), read(), readLine(), seekBuffer(), and QNetworkReplyHttpImplPrivate::sentUploadDataSlot().

readBufferChunkSize

int QIODevicePrivate::readBufferChunkSize = QIODEVICE_BUFFERSIZE

Definition at line 99 of file qiodevice_p.h.

Referenced by read(), and setReadChannelCount().

readBuffers

QVarLengthArray<QRingBuffer, 2> QIODevicePrivate::readBuffers

Definition at line 102 of file qiodevice_p.h.

Referenced by QSctpSocketPrivate::canReadNotification(), QIOPipePrivate::pumpData(), and setReadChannelCount().

readChannelCount

int QIODevicePrivate::readChannelCount = 0

Definition at line 95 of file qiodevice_p.h.

Referenced by QSslSocketPrivate::_q_connectedSlot(), QSslSocketPrivate::bind(), QAbstractSocketPrivate::fetchConnectionParameters(), and setReadChannelCount().

transactionPos

qint64 QIODevicePrivate::transactionPos = 0

Definition at line 55 of file qiodevice_p.h.

Referenced by QSslSocketPrivate::peek(), QSslSocketPrivate::peek(), read(), and readLine().

transactionStarted

bool QIODevicePrivate::transactionStarted = false

Definition at line 107 of file qiodevice_p.h.

Referenced by read(), and readLine().

writeBuffer

QRingBufferRef QIODevicePrivate::writeBuffer

Definition at line 93 of file qiodevice_p.h.

Referenced by QSslSocketPrivate::tlsWriteBuffer().

writeBufferChunkSize

int QIODevicePrivate::writeBufferChunkSize = 0

Definition at line 100 of file qiodevice_p.h.

Referenced by QAbstractSocketPrivate::QAbstractSocketPrivate(), QFileDevicePrivate::QFileDevicePrivate(), QFileDevicePrivate::putCharHelper(), and setWriteChannelCount().

writeBuffers

QVarLengthArray<QRingBuffer, 1> QIODevicePrivate::writeBuffers

Definition at line 103 of file qiodevice_p.h.

Referenced by allWriteBuffersEmpty(), setWriteChannelCount(), and QSctpSocketPrivate::writeToSocket().

writeChannelCount

int QIODevicePrivate::writeChannelCount = 0

Definition at line 96 of file qiodevice_p.h.

Referenced by QSslSocketPrivate::_q_connectedSlot(), QSslSocketPrivate::bind(), QAbstractSocketPrivate::fetchConnectionParameters(), and setWriteChannelCount().

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

• qtbase/src/corelib/io/qiodevice_p.h
• qtbase/src/corelib/io/qiodevice.cpp