#include <qfile_p.h>

Inheritance diagram for QFilePrivate:

Protected Functions
bool	ensureFlushed () const

bool	openExternalFile (int flags, int fd, QFile::FileHandleFlags handleFlags)

bool	openExternalFile (int flags, FILE *fh, QFile::FileHandleFlags handleFlags)

bool	putCharHelper (char c)

	QFilePrivate ()

void	setError (QFile::FileError err)

void	setError (QFile::FileError err, const QString &errorString)

void	setError (QFile::FileError err, int errNum)

	~QFilePrivate ()

Protected Variables
qint64	cachedSize

QFile::FileError	error

QAbstractFileEngine *	fileEngine

QString	fileName

bool	lastWasWrite

QRingBuffer	writeBuffer

Static Private Attributes
static QFile::DecoderFn	decoder = locale_decode

static QFile::EncoderFn	encoder = locale_encode

Additional Inherited Members
Public Types inherited from QIODevicePrivate
enum	AccessMode { Unset, Sequential, RandomAccess }

Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject , QMetaObject::Call, int, void *)

Public Functions inherited from QIODevicePrivate
bool	isSequential () const

virtual qint64	peek (char *data, qint64 maxSize)

virtual QByteArray	peek (qint64 maxSize)

	QIODevicePrivate ()

virtual	~QIODevicePrivate ()

Public Functions inherited from QObjectPrivate
void	_q_reregisterTimers (void *pointer)

void	addConnection (int signal, Connection *c)

void	cleanConnectionLists ()

void	connectNotify (const char *signal)

void	deleteChildren ()

void	disconnectNotify (const char *signal)

bool	isSender (const QObject receiver, const char signal) const

bool	isSignalConnected (uint signalIdx) const
	Returns true if the signal with index signal_index from object sender is connected. More...

void	moveToThread_helper ()

	QObjectPrivate (int version=QObjectPrivateVersion)

QObjectList	receiverList (const char *signal) const

QObjectList	senderList () const

void	setParent_helper (QObject *)

void	setThreadData_helper (QThreadData currentData, QThreadData targetData)

int	signalIndex (const char *signalName) const
	Returns the signal index used in the internal connectionLists vector. More...

virtual	~QObjectPrivate ()

Public Functions inherited from QObjectData
virtual	~QObjectData ()=0

Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)

static QObjectPrivate *	get (QObject *o)

static void	resetCurrentSender (QObject receiver, Sender currentSender, Sender *previousSender)

static Sender *	setCurrentSender (QObject receiver, Sender sender)

static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)

Public Variables inherited from QIODevicePrivate
AccessMode	accessMode

bool	baseReadLineDataCalled

QIODevicePrivateLinearBuffer	buffer

qint64	devicePos

QString	errorString

bool	firstRead

QIODevice::OpenMode	openMode

qint64 *	pDevicePos

qint64	pos

qint64 *	pPos

qint64	seqDumpPos

Public Variables inherited from QObjectPrivate
union {
QObject * currentChildBeingDeleted

QAbstractDeclarativeData * declarativeData

};

quint32	connectedSignals [2]

QObjectConnectionListVector *	connectionLists

Sender *	currentSender

QList< QPointer< QObject > >	eventFilters

ExtraData *	extraData

QString	objectName

Connection *	senders

QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount

QThreadData *	threadData

void *	unused

Public Variables inherited from QObjectData
uint	blockSig: 1

QObjectList	children

uint	hasGuards: 1

uint	inEventHandler: 1

uint	inThreadChangeEvent: 1

uint	isWidget: 1

QMetaObject *	metaObject

uint	ownObjectName: 1

QObject *	parent

uint	pendTimer: 1

int	postedEvents

QObject *	q_ptr

uint	receiveChildEvents: 1

uint	sendChildEvents: 1

uint	unused: 22

uint	wasDeleted: 1

Detailed Description

Definition at line 62 of file qfile_p.h.

Constructors and Destructors

◆ QFilePrivate()

QFilePrivate::QFilePrivate ( )

protected

Definition at line 92 of file qfile.cpp.

     : fileEngine(0), lastWasWrite(false),
       writeBuffer(QFILE_WRITEBUFFER_SIZE), error(QFile::NoError),
       cachedSize(0)
 {
 }

◆ ~QFilePrivate()

QFilePrivate::~QFilePrivate ( )

protected

Definition at line 99 of file qfile.cpp.

 {
     delete fileEngine;
     fileEngine = 0;
 }

Functions

◆ ensureFlushed()

bool QFilePrivate::ensureFlushed ( ) const

inlineprotected

Definition at line 154 of file qfile.cpp.

 {
     // This function ensures that the write buffer has been flushed (const
     // because certain const functions need to call it.
     if (lastWasWrite) {
         const_cast<QFilePrivate *>(this)->lastWasWrite = false;
         if (!const_cast<QFile *>(q_func())->flush())
             return false;
     }
     return true;
 }

◆ openExternalFile() [1/2]

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

protected

Definition at line 106 of file qfile.cpp.

Referenced by openExternalFile().

 {
 #ifdef QT_NO_FSFILEENGINE
     Q_UNUSED(flags);
     Q_UNUSED(fd);
     return false;
 #else
     delete fileEngine;
     fileEngine = 0;
     QFSFileEngine *fe = new QFSFileEngine;
     fileEngine = fe;
     return fe->open(QIODevice::OpenMode(flags), fd, handleFlags);
 #endif
 }

◆ openExternalFile() [2/2]

bool QFilePrivate::openExternalFile	(	int	flags,
		FILE *	fh,
		QFile::FileHandleFlags	handleFlags
	)

protected

Definition at line 122 of file qfile.cpp.

 {
 #ifdef QT_NO_FSFILEENGINE
     Q_UNUSED(flags);
     Q_UNUSED(fh);
     return false;
 #else
     delete fileEngine;
     fileEngine = 0;
     QFSFileEngine *fe = new QFSFileEngine;
     fileEngine = fe;
     return fe->open(QIODevice::OpenMode(flags), fh, handleFlags);
 #endif
 }

◆ putCharHelper()

bool QFilePrivate::putCharHelper ( char c )

protectedvirtual

Warning: This function is not part of the public interface.

Reimplemented from QIODevicePrivate.

Definition at line 1865 of file qfile.cpp.

 {
 #ifdef QT_NO_QOBJECT
     return QIODevicePrivate::putCharHelper(c);
 #else
 
     // Cutoff for code that doesn't only touch the buffer.
     int writeBufferSize = writeBuffer.size();
     if ((openMode & QIODevice::Unbuffered) || writeBufferSize + 1 >= QFILE_WRITEBUFFER_SIZE
 #ifdef Q_OS_WIN
         || ((openMode & QIODevice::Text) && c == '\n' && writeBufferSize + 2 >= QFILE_WRITEBUFFER_SIZE)
 #endif
         ) {
         return QIODevicePrivate::putCharHelper(c);
     }
 
     if (!(openMode & QIODevice::WriteOnly)) {
         if (openMode == QIODevice::NotOpen)
             qWarning("QIODevice::putChar: Closed device");
         else
             qWarning("QIODevice::putChar: ReadOnly device");
         return false;
     }
 
     // Make sure the device is positioned correctly.
     const bool sequential = isSequential();
     if (pos != devicePos && !sequential && !q_func()->seek(pos))
         return false;
 
     lastWasWrite = true;
 
     int len = 1;
 #ifdef Q_OS_WIN
     if ((openMode & QIODevice::Text) && c == '\n') {
         ++len;
         *writeBuffer.reserve(1) = '\r';
     }
 #endif
 
     // Write to buffer.
     *writeBuffer.reserve(1) = c;
 
     if (!sequential) {
         pos += len;
         devicePos += len;
         if (!buffer.isEmpty())
             buffer.skip(len);
     }
 
     return true;
 #endif
 }

◆ setError() [1/3]

void QFilePrivate::setError ( QFile::FileError err )

protected

Definition at line 167 of file qfile.cpp.

 {
     error = err;
     errorString.clear();
 }

◆ setError() [2/3]

void QFilePrivate::setError	(	QFile::FileError	err,
		const QString &	errorString
	)

protected

Definition at line 174 of file qfile.cpp.

 {
     error = err;
     errorString = errStr;
 }

◆ setError() [3/3]

void QFilePrivate::setError	(	QFile::FileError	err,
		int	errNum
	)

protected

Definition at line 181 of file qfile.cpp.

 {
     error = err;
     errorString = qt_error_string(errNum);
 }

Properties

◆ cachedSize

qint64 QFilePrivate::cachedSize

mutableprotected

Definition at line 90 of file qfile_p.h.

◆ decoder

QFile::DecoderFn QFilePrivate::decoder = locale_decode

staticprivate

Definition at line 94 of file qfile_p.h.

Referenced by QFile::decodeName(), locale_decode(), and QFile::setDecodingFunction().

◆ encoder

QFile::EncoderFn QFilePrivate::encoder = locale_encode

staticprivate

Definition at line 93 of file qfile_p.h.

Referenced by QFile::encodeName(), locale_decode(), and QFile::setEncodingFunction().

◆ error

QFile::FileError QFilePrivate::error

protected

Definition at line 85 of file qfile_p.h.

Referenced by setError().

◆ fileEngine

QAbstractFileEngine* QFilePrivate::fileEngine

mutableprotected

Definition at line 77 of file qfile_p.h.

Referenced by openExternalFile(), and ~QFilePrivate().

◆ fileName

QString QFilePrivate::fileName

protected

Definition at line 76 of file qfile_p.h.

◆ lastWasWrite

bool QFilePrivate::lastWasWrite

protected

Definition at line 79 of file qfile_p.h.

Referenced by ensureFlushed().

◆ writeBuffer

QRingBuffer QFilePrivate::writeBuffer

protected

Definition at line 80 of file qfile_p.h.

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

/src/corelib/io/qfile_p.h
/src/corelib/io/qfile.cpp

Protected Functions

Protected Variables

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QFilePrivate()

◆ ~QFilePrivate()

Functions

◆ ensureFlushed()

◆ openExternalFile() [1/2]

◆ openExternalFile() [2/2]

◆ putCharHelper()

◆ setError() [1/3]

◆ setError() [2/3]

◆ setError() [3/3]

Properties

◆ cachedSize

◆ decoder

◆ encoder

◆ error

◆ fileEngine

◆ fileName

◆ lastWasWrite

◆ writeBuffer