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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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QFileDevicePrivate Class Reference

#include <qfiledevice_p.h>

Inheritance diagram for QFileDevicePrivate:
Collaboration diagram for QFileDevicePrivate:

Public Member Functions

virtual QAbstractFileEngine * engine () const
Public Member Functions inherited from QIODevicePrivate
 QIODevicePrivate (decltype(QObjectPrivateVersion) version=QObjectPrivateVersion)
virtual ~QIODevicePrivate ()
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

Protected Member Functions

 QFileDevicePrivate ()
 ~QFileDevicePrivate ()
bool ensureFlushed () const
bool putCharHelper (char c) override
void setError (QFileDevice::FileError err)
void setError (QFileDevice::FileError err, const QString &errorString)
void setError (QFileDevice::FileError err, int errNum)

Protected Attributes

std::unique_ptr< QAbstractFileEngine > fileEngine
qint64 cachedSize
QFileDevice::FileHandleFlags handleFlags
QFileDevice::FileError error
bool lastWasWrite

Additional Inherited Members

Public Types inherited from QIODevicePrivate
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>
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)
Public Attributes inherited from QIODevicePrivate
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

Detailed Description

Definition at line 42 of file qfiledevice_p.h.

Constructor & Destructor Documentation

◆ QFileDevicePrivate()

QFileDevicePrivate::QFileDevicePrivate ( )
protected

Definition at line 20 of file qfiledevice.cpp.

◆ ~QFileDevicePrivate()

QFileDevicePrivate::~QFileDevicePrivate ( )
protecteddefault

Member Function Documentation

◆ engine()

QAbstractFileEngine * QFileDevicePrivate::engine ( ) const
virtual

Reimplemented in QFilePrivate.

Definition at line 29 of file qfiledevice.cpp.

◆ ensureFlushed()

bool QFileDevicePrivate::ensureFlushed ( ) const
inlineprotected

Definition at line 70 of file qfiledevice_p.h.

References lastWasWrite.

◆ putCharHelper()

bool QFileDevicePrivate::putCharHelper ( char c)
overrideprotectedvirtual

Reimplemented from QIODevicePrivate.

Definition at line 491 of file qfiledevice.cpp.

References lastWasWrite.

◆ setError() [1/3]

void QFileDevicePrivate::setError ( QFileDevice::FileError err)
protected

Definition at line 36 of file qfiledevice.cpp.

◆ setError() [2/3]

void QFileDevicePrivate::setError ( QFileDevice::FileError err,
const QString & errorString )
protected

Definition at line 42 of file qfiledevice.cpp.

◆ setError() [3/3]

void QFileDevicePrivate::setError ( QFileDevice::FileError err,
int errNum )
protected

Definition at line 48 of file qfiledevice.cpp.

Member Data Documentation

◆ cachedSize

qint64 QFileDevicePrivate::cachedSize
mutableprotected

Definition at line 62 of file qfiledevice_p.h.

◆ error

QFileDevice::FileError QFileDevicePrivate::error
protected

Definition at line 65 of file qfiledevice_p.h.

◆ fileEngine

std::unique_ptr<QAbstractFileEngine> QFileDevicePrivate::fileEngine
mutableprotected

Definition at line 61 of file qfiledevice_p.h.

◆ handleFlags

QFileDevice::FileHandleFlags QFileDevicePrivate::handleFlags
protected

Definition at line 64 of file qfiledevice_p.h.

◆ lastWasWrite

bool QFileDevicePrivate::lastWasWrite
protected

Definition at line 67 of file qfiledevice_p.h.

Referenced by ensureFlushed(), and putCharHelper().

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