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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QIODevicePrivate Class Reference

#include <qiodevice_p.h>

Inheritance diagram for QIODevicePrivate:
Collaboration diagram for QIODevicePrivate:

Classes

class  QRingBufferRef

Public Types

enum class  ReadLineOption { NotNullTerminated , NullTerminated }
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 (decltype(QObjectPrivateVersion) version=QObjectPrivateVersion)
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, ReadLineOption option=ReadLineOption::NullTerminated)
virtual qint64 peek (char *data, qint64 maxSize)
virtual QByteArray peek (qint64 maxSize)
qint64 skipByReading (qint64 maxSize)
qint64 skipLine ()
void write (const char *data, qint64 size)
bool isWriteChunkCached (const char *data, qint64 size) const
Public Member Functions inherited from QObjectPrivate
void ensureExtraData ()
void setObjectNameWithoutBindings (const QString &name)
 QObjectPrivate (decltype(QObjectPrivateVersion) version=QObjectPrivateVersion)
virtual ~QObjectPrivate ()
void deleteChildren ()
void clearBindingStorage ()
void setParent_helper (QObject *)
void moveToThread_helper ()
void setThreadData_helper (QThreadData *currentData, QThreadData *targetData, QBindingStatus *status)
QObjectList receiverList (const char *signal) 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
virtual void writeToDebugStream (QDebug &) const
QtPrivate::QPropertyAdaptorSlotObject * getPropertyAdaptorSlotObject (const QMetaProperty &property)
Public Member Functions inherited from QObjectData
 QObjectData ()=default
virtual ~QObjectData ()=0
const 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 receiveParentEvents: 1
uint unused: 20
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 39 of file qiodevice_p.h.

Member Enumeration Documentation

◆ AccessMode

enum QIODevicePrivate::AccessMode : quint8
Enumerator
Unset 
Sequential 
RandomAccess 

Definition at line 128 of file qiodevice_p.h.

◆ ReadLineOption

enum class QIODevicePrivate::ReadLineOption
strong
Enumerator
NotNullTerminated 
NullTerminated 

Definition at line 51 of file qiodevice_p.h.

Constructor & Destructor Documentation

◆ QIODevicePrivate()

QIODevicePrivate::QIODevicePrivate ( decltype(QObjectPrivateVersion) version = QObjectPrivateVersion)

Definition at line 133 of file qiodevice.cpp.

◆ ~QIODevicePrivate()

QIODevicePrivate::~QIODevicePrivate ( )
virtual

Definition at line 144 of file qiodevice.cpp.

Member Function Documentation

◆ allWriteBuffersEmpty()

bool QIODevicePrivate::allWriteBuffersEmpty ( ) const

Definition at line 753 of file qiodevice.cpp.

◆ isBufferEmpty()

bool QIODevicePrivate::isBufferEmpty ( ) const
inline

Definition at line 141 of file qiodevice_p.h.

◆ isSequential()

bool QIODevicePrivate::isSequential ( ) const
inline

Definition at line 134 of file qiodevice_p.h.

◆ isWriteChunkCached()

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

Definition at line 173 of file qiodevice_p.h.

◆ peek() [1/2]

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

Reimplemented in QBufferPrivate, QBufferPrivate, and QSslSocketPrivate.

Definition at line 1956 of file qiodevice.cpp.

◆ peek() [2/2]

QByteArray QIODevicePrivate::peek ( qint64 maxSize)
virtual

Reimplemented in QBufferPrivate, QBufferPrivate, and QSslSocketPrivate.

Definition at line 1964 of file qiodevice.cpp.

◆ putCharHelper()

bool QIODevicePrivate::putCharHelper ( char c)
virtual

Reimplemented in QFileDevicePrivate.

Definition at line 1948 of file qiodevice.cpp.

◆ read()

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

Definition at line 1049 of file qiodevice.cpp.

◆ readLine()

qint64 QIODevicePrivate::readLine ( char * data,
qint64 maxSize,
ReadLineOption option = ReadLineOption::NullTerminated )

Definition at line 1354 of file qiodevice.cpp.

◆ seekBuffer()

void QIODevicePrivate::seekBuffer ( qint64 newPos)

Definition at line 896 of file qiodevice.cpp.

◆ setCurrentReadChannel()

void QIODevicePrivate::setCurrentReadChannel ( int channel)
inline

Definition at line 150 of file qiodevice_p.h.

◆ setCurrentWriteChannel()

void QIODevicePrivate::setCurrentWriteChannel ( int channel)
inline

Definition at line 155 of file qiodevice_p.h.

◆ setReadChannelCount()

void QIODevicePrivate::setReadChannelCount ( int count)

Definition at line 674 of file qiodevice.cpp.

◆ setWriteChannelCount()

void QIODevicePrivate::setWriteChannelCount ( int count)

Definition at line 733 of file qiodevice.cpp.

◆ skipByReading()

qint64 QIODevicePrivate::skipByReading ( qint64 maxSize)

Definition at line 2139 of file qiodevice.cpp.

◆ skipLine()

qint64 QIODevicePrivate::skipLine ( )
Since
6.9

Reads to the end of the line without storing its content. Returns the number of bytes read from the current line including the '
' byte.

If an error occurs, -1 is returned. This happens when no bytes were read or when trying to read past EOF.

See also
readLineData(), skip()

Definition at line 2179 of file qiodevice.cpp.

◆ write()

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

Definition at line 1892 of file qiodevice.cpp.

Member Data Documentation

◆ accessMode

AccessMode QIODevicePrivate::accessMode = Unset
mutable

Definition at line 133 of file qiodevice_p.h.

◆ baseReadLineDataCalled

bool QIODevicePrivate::baseReadLineDataCalled = false

Definition at line 124 of file qiodevice_p.h.

◆ buffer

QRingBufferRef QIODevicePrivate::buffer

Definition at line 108 of file qiodevice_p.h.

Referenced by testing.tools.encode_pdf_filter._Ascii85DecodePdfStream::close(), testing.tools.encode_pdf_filter._FlateDecodePdfStream::close(), testing.tools.encode_pdf_filter._PdfStream::close(), testing.tools.encode_pdf_filter._FlateDecodePdfStream::flush(), testing.tools.encode_pdf_filter._PdfStream::flush(), testing.tools.encode_pdf_filter._SinkPdfStream::getbuffer(), testing.tools.encode_pdf_filter._FlateDecodePdfStream::write(), testing.tools.encode_pdf_filter._PdfStream::write(), and testing.tools.encode_pdf_filter._PngIdatPdfStream::write().

◆ currentReadChannel

int QIODevicePrivate::currentReadChannel = 0

Definition at line 113 of file qiodevice_p.h.

◆ currentWriteChannel

int QIODevicePrivate::currentWriteChannel = 0

Definition at line 114 of file qiodevice_p.h.

◆ currentWriteChunk

const QByteArray* QIODevicePrivate::currentWriteChunk = nullptr

Definition at line 110 of file qiodevice_p.h.

◆ devicePos

qint64 QIODevicePrivate::devicePos = 0

Definition at line 63 of file qiodevice_p.h.

◆ errorString

QString QIODevicePrivate::errorString

Definition at line 120 of file qiodevice_p.h.

◆ openMode

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

Definition at line 121 of file qiodevice_p.h.

◆ pos

qint64 QIODevicePrivate::pos = 0

Definition at line 62 of file qiodevice_p.h.

◆ readBufferChunkSize

int QIODevicePrivate::readBufferChunkSize = QIODEVICE_BUFFERSIZE

Definition at line 115 of file qiodevice_p.h.

◆ readBuffers

QVarLengthArray<QRingBuffer, 2> QIODevicePrivate::readBuffers

Definition at line 118 of file qiodevice_p.h.

◆ readChannelCount

int QIODevicePrivate::readChannelCount = 0

Definition at line 111 of file qiodevice_p.h.

◆ transactionPos

qint64 QIODevicePrivate::transactionPos = 0

Definition at line 64 of file qiodevice_p.h.

◆ transactionStarted

bool QIODevicePrivate::transactionStarted = false

Definition at line 123 of file qiodevice_p.h.

◆ writeBuffer

QRingBufferRef QIODevicePrivate::writeBuffer

Definition at line 109 of file qiodevice_p.h.

◆ writeBufferChunkSize

int QIODevicePrivate::writeBufferChunkSize = 0

Definition at line 116 of file qiodevice_p.h.

◆ writeBuffers

QVarLengthArray<QRingBuffer, 1> QIODevicePrivate::writeBuffers

Definition at line 119 of file qiodevice_p.h.

◆ writeChannelCount

int QIODevicePrivate::writeChannelCount = 0

Definition at line 112 of file qiodevice_p.h.

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