Qt
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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QFilePrivate Class Reference

#include <qfile_p.h>

Inheritance diagram for QFilePrivate:
Collaboration diagram for QFilePrivate:

Protected Member Functions

 QFilePrivate ()
 ~QFilePrivate ()
bool openExternalFile (QIODevice::OpenMode flags, int fd, QFile::FileHandleFlags handleFlags)
bool openExternalFile (QIODevice::OpenMode flags, FILE *fh, QFile::FileHandleFlags handleFlags)
QAbstractFileEngine * engine () const override
bool copy (const QString &newName)
void writeToDebugStream (QDebug &) const override
Protected Member Functions inherited from QFileDevicePrivate
 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

QString fileName
Protected Attributes inherited from QFileDevicePrivate
std::unique_ptr< QAbstractFileEngine > fileEngine
qint64 cachedSize
QFileDevice::FileHandleFlags handleFlags
QFileDevice::FileError error
bool lastWasWrite

Friends

class QTemporaryFile

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>
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
QtPrivate::QPropertyAdaptorSlotObject * getPropertyAdaptorSlotObject (const QMetaProperty &property)
Public Member Functions inherited from QObjectData
 QObjectData ()=default
virtual ~QObjectData ()=0
const QMetaObject * dynamicMetaObject () const
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 26 of file qfile_p.h.

Constructor & Destructor Documentation

◆ QFilePrivate()

QFilePrivate::QFilePrivate ( )
protected

Definition at line 40 of file qfile.cpp.

◆ ~QFilePrivate()

QFilePrivate::~QFilePrivate ( )
protected

Definition at line 44 of file qfile.cpp.

Member Function Documentation

◆ copy()

bool QFilePrivate::copy ( const QString & newName)
protected

◆ engine()

QAbstractFileEngine * QFilePrivate::engine ( ) const
overrideprotectedvirtual

Reimplemented from QFileDevicePrivate.

Definition at line 78 of file qfile.cpp.

◆ openExternalFile() [1/2]

bool QFilePrivate::openExternalFile ( QIODevice::OpenMode flags,
FILE * fh,
QFile::FileHandleFlags handleFlags )
protected

Definition at line 64 of file qfile.cpp.

◆ openExternalFile() [2/2]

bool QFilePrivate::openExternalFile ( QIODevice::OpenMode flags,
int fd,
QFile::FileHandleFlags handleFlags )
protected

Definition at line 49 of file qfile.cpp.

◆ writeToDebugStream()

void QFilePrivate::writeToDebugStream ( QDebug & dbg) const
overrideprotectedvirtual

Reimplemented from QObjectPrivate.

Definition at line 1379 of file qfile.cpp.

◆ QTemporaryFile

friend class QTemporaryFile
friend

Definition at line 29 of file qfile_p.h.

Member Data Documentation

◆ fileName

QString QFilePrivate::fileName
protected

Definition at line 41 of file qfile_p.h.

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