#include <qfsfileengine_p.h>

Inheritance diagram for QFSFileEnginePrivate:

Collaboration diagram for QFSFileEnginePrivate:

Classes
struct	StartAndLength

Public Types
enum	LastIOCommand { IOFlushCommand , IOReadCommand , IOWriteCommand }

Public Member Functions
bool	nativeOpen (QIODevice::OpenMode openMode, std::optional< QFile::Permissions > permissions)

bool	openFh (QIODevice::OpenMode flags, FILE *fh)
	Opens the file handle fh using the open mode flags.

bool	openFd (QIODevice::OpenMode flags, int fd)
	Opens the file descriptor fd to the file engine, using the open mode flags.

bool	nativeClose ()

bool	closeFdFh ()

bool	nativeFlush ()

bool	nativeSyncToDisk ()

bool	flushFh ()

qint64	nativeSize () const

qint64	sizeFdFh () const

qint64	nativePos () const

qint64	posFdFh () const

bool	nativeSeek (qint64)

bool	seekFdFh (qint64)

qint64	nativeRead (char *data, qint64 maxlen)

qint64	readFdFh (char *data, qint64 maxlen)

qint64	nativeReadLine (char *data, qint64 maxlen)

qint64	readLineFdFh (char *data, qint64 maxlen)

qint64	nativeWrite (const char *data, qint64 len)

qint64	writeFdFh (const char *data, qint64 len)

int	nativeHandle () const

bool	nativeIsSequential () const

bool	isSequentialFdFh () const

uchar *	map (qint64 offset, qint64 size, QFile::MemoryMapFlags flags)

bool	unmap (uchar *ptr)

void	unmapAll ()

bool	doStat (QFileSystemMetaData::MetaDataFlags flags=QFileSystemMetaData::PosixStatFlags) const

bool	isSymlink () const

Public Member Functions inherited from QAbstractFileEnginePrivate
	QAbstractFileEnginePrivate ()

virtual	~QAbstractFileEnginePrivate ()

Static Public Member Functions
static bool	openModeCanCreate (QIODevice::OpenMode openMode)

Public Attributes
QFileSystemEntry	fileEntry

QIODevice::OpenMode	openMode

QFileSystemMetaData	metaData

FILE *	fh

QHash< uchar *, StartAndLength >	maps

int	fd

LastIOCommand	lastIOCommand

bool	lastFlushFailed

bool	closeFileHandle

uint	is_sequential: 2

uint	tried_stat: 1

uint	need_lstat: 1

uint	is_link: 1

Public Attributes inherited from QAbstractFileEnginePrivate
QFile::FileError	fileError

QString	errorString

QAbstractFileEngine *	q_ptr

Protected Member Functions
	QFSFileEnginePrivate ()

void	init ()

QAbstractFileEngine::FileFlags	getPermissions (QAbstractFileEngine::FileFlags type) const

Detailed Description

Definition at line 124 of file qfsfileengine_p.h.

Member Enumeration Documentation

◆ LastIOCommand

enum QFSFileEnginePrivate::LastIOCommand

Enumerator
IOFlushCommand
IOReadCommand
IOWriteCommand

Definition at line 191 of file qfsfileengine_p.h.

Constructor & Destructor Documentation

◆ QFSFileEnginePrivate()

QFSFileEnginePrivate::QFSFileEnginePrivate ( )

protected

Definition at line 79 of file qfsfileengine.cpp.

References init().

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Member Function Documentation

◆ closeFdFh()

bool QFSFileEnginePrivate::closeFdFh ( )

Definition at line 362 of file qfsfileengine.cpp.

References closeFileHandle, fh, lastFlushFailed, QT_CLOSE, ret, QSystemError::stdString(), tried_stat, and QFileDevice::UnspecifiedError.

Referenced by nativeClose().

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◆ doStat()

bool QFSFileEnginePrivate::doStat ( QFileSystemMetaData::MetaDataFlags flags = QFileSystemMetaData::PosixStatFlags ) const

Definition at line 315 of file qfsfileengine_unix.cpp.

References QFileSystemMetaData::exists(), fd, fh, fileEntry, QFileSystemEngine::fillMetaData(), QFileSystemMetaData::hasFlags(), QFileSystemEntry::isEmpty(), metaData, QFileSystemMetaData::missingFlags(), and tried_stat.

Referenced by map(), and sizeFdFh().

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◆ flushFh()

bool QFSFileEnginePrivate::flushFh ( )

Definition at line 432 of file qfsfileengine.cpp.

References fh, IOFlushCommand, lastFlushFailed, lastIOCommand, QFileDevice::ResourceError, ret, QSystemError::stdString(), and QFileDevice::WriteError.

Referenced by nativeFlush().

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◆ getPermissions()

QAbstractFileEngine::FileFlags QFSFileEnginePrivate::getPermissions ( QAbstractFileEngine::FileFlags type ) const

protected

◆ init()

void QFSFileEnginePrivate::init ( )

protected

Definition at line 87 of file qfsfileengine.cpp.

References closeFileHandle, fh, INVALID_FILE_ATTRIBUTES, IOFlushCommand, is_link, is_sequential, lastFlushFailed, lastIOCommand, need_lstat, QIODeviceBase::NotOpen, openMode, and tried_stat.

Referenced by QFSFileEnginePrivate().

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◆ isSequentialFdFh()

bool QFSFileEnginePrivate::isSequentialFdFh ( ) const

Referenced by nativeIsSequential().

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◆ isSymlink()

bool QFSFileEnginePrivate::isSymlink ( ) const

Definition at line 333 of file qfsfileengine_unix.cpp.

References fileEntry, QFileSystemEngine::fillMetaData(), QFileSystemMetaData::hasFlags(), QFileSystemMetaData::isLink(), QFileSystemMetaData::LinkType, and metaData.

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◆ map()

uchar * QFSFileEnginePrivate::map	(	qint64	offset,
		qint64	size,
		QFile::MemoryMapFlags	flags )

Definition at line 547 of file qfsfileengine_unix.cpp.

References doStat(), MAP_FAILED, QFileDevice::MapPrivateOption, maps, metaData, nativeHandle(), QIODeviceBase::NotOpen, openMode, QFileDevice::PermissionsError, Q_INT64_C, qMin(), qt_error_string(), qWarning, QIODeviceBase::ReadOnly, QFileDevice::ResourceError, QFileSystemMetaData::size(), QFileSystemMetaData::SizeAttribute, QFileDevice::UnspecifiedError, and QIODeviceBase::WriteOnly.

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◆ nativeClose()

bool QFSFileEnginePrivate::nativeClose ( )

Definition at line 140 of file qfsfileengine_unix.cpp.

References closeFdFh().

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◆ nativeFlush()

bool QFSFileEnginePrivate::nativeFlush ( )

Definition at line 149 of file qfsfileengine_unix.cpp.

References fh, and flushFh().

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◆ nativeHandle()

int QFSFileEnginePrivate::nativeHandle ( ) const

Definition at line 268 of file qfsfileengine_unix.cpp.

References fd, and fh.

Referenced by map(), and nativeSyncToDisk().

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◆ nativeIsSequential()

bool QFSFileEnginePrivate::nativeIsSequential ( ) const

Definition at line 276 of file qfsfileengine_unix.cpp.

References isSequentialFdFh().

Referenced by nativeRead().

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◆ nativeOpen()

bool QFSFileEnginePrivate::nativeOpen	(	QIODevice::OpenMode	openMode,
		std::optional< QFile::Permissions >	permissions )

Definition at line 75 of file qfsfileengine_unix.cpp.

References openMode.

◆ nativePos()

qint64 QFSFileEnginePrivate::nativePos ( ) const

Definition at line 252 of file qfsfileengine_unix.cpp.

References posFdFh().

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◆ nativeRead()

qint64 QFSFileEnginePrivate::nativeRead	(	char *	data,
		qint64	len )

Definition at line 175 of file qfsfileengine_unix.cpp.

References fh, i, nativeIsSequential(), qt_error_string(), read(), QFileDevice::ReadError, and readFdFh().

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◆ nativeReadLine()

qint64 QFSFileEnginePrivate::nativeReadLine	(	char *	data,
		qint64	maxlen )

Definition at line 236 of file qfsfileengine_unix.cpp.

References readLineFdFh().

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◆ nativeSeek()

bool QFSFileEnginePrivate::nativeSeek ( qint64 pos )

Definition at line 260 of file qfsfileengine_unix.cpp.

References pos, and seekFdFh().

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◆ nativeSize()

qint64 QFSFileEnginePrivate::nativeSize ( ) const

Definition at line 292 of file qfsfileengine_unix.cpp.

References sizeFdFh().

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◆ nativeSyncToDisk()

bool QFSFileEnginePrivate::nativeSyncToDisk ( )

Since: 5.1

Definition at line 158 of file qfsfileengine_unix.cpp.

References nativeHandle(), QT_EINTR_LOOP, qt_error_string(), ret, and QFileDevice::WriteError.

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◆ nativeWrite()

qint64 QFSFileEnginePrivate::nativeWrite	(	const char *	data,
		qint64	len )

Definition at line 244 of file qfsfileengine_unix.cpp.

References writeFdFh().

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◆ openFd()

bool QFSFileEnginePrivate::openFd	(	QIODevice::OpenMode	flags,
		int	fd )

Opens the file descriptor fd to the file engine, using the open mode flags.

Definition at line 322 of file qfsfileengine.cpp.

References QIODeviceBase::Append, fd, fh, QIODeviceBase::NotOpen, QFileDevice::OpenError, openMode, QFileDevice::ResourceError, ret, and QSystemError::stdString().

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◆ openFh()

bool QFSFileEnginePrivate::openFh	(	QIODevice::OpenMode	flags,
		FILE *	fh )

Opens the file handle fh using the open mode flags.

Definition at line 257 of file qfsfileengine.cpp.

References QIODeviceBase::Append, fh, QIODeviceBase::NotOpen, QFileDevice::OpenError, openMode, Q_ASSERT_X, QFileDevice::ResourceError, ret, QSystemError::stdString(), and QIODeviceBase::Unbuffered.

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◆ openModeCanCreate()

static bool QFSFileEnginePrivate::openModeCanCreate ( QIODevice::OpenMode openMode )

inlinestatic

Definition at line 217 of file qfsfileengine_p.h.

References QIODeviceBase::ExistingOnly, and QIODeviceBase::WriteOnly.

Referenced by openModeToOpenFlags().

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◆ posFdFh()

qint64 QFSFileEnginePrivate::posFdFh ( ) const

Definition at line 504 of file qfsfileengine.cpp.

References fh.

Referenced by nativePos().

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◆ readFdFh()

qint64 QFSFileEnginePrivate::readFdFh	(	char *	data,
		qint64	len )

Definition at line 607 of file qfsfileengine.cpp.

References fh, QT_READ, QFileDevice::ReadError, and QSystemError::stdString().

Referenced by nativeRead().

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◆ readLineFdFh()

qint64 QFSFileEnginePrivate::readLineFdFh	(	char *	data,
		qint64	maxlen )

Definition at line 684 of file qfsfileengine.cpp.

References fh, qstrlen(), QFileDevice::ReadError, and QSystemError::stdString().

Referenced by nativeReadLine().

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◆ seekFdFh()

bool QFSFileEnginePrivate::seekFdFh ( qint64 pos )

Definition at line 542 of file qfsfileengine.cpp.

References fh, IOFlushCommand, lastIOCommand, pos, QFileDevice::PositionError, qWarning, QFileDevice::ReadError, ret, and QSystemError::stdString().

Referenced by nativeSeek().

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◆ sizeFdFh()

qint64 QFSFileEnginePrivate::sizeFdFh ( ) const

Definition at line 479 of file qfsfileengine.cpp.

References QFileSystemMetaData::clearFlags(), doStat(), metaData, QFileSystemMetaData::size(), QFileSystemMetaData::SizeAttribute, and tried_stat.

Referenced by nativeSize().

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◆ unmap()

bool QFSFileEnginePrivate::unmap ( uchar * ptr )

Definition at line 630 of file qfsfileengine_unix.cpp.

References QSet< T >::find(), it, maps, QFileDevice::PermissionsError, ptr(), qt_error_string(), and QFileDevice::UnspecifiedError.

Referenced by unmapAll().

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◆ unmapAll()

void QFSFileEnginePrivate::unmapAll ( )

Definition at line 466 of file qfsfileengine.cpp.

References i, keys, maps, and unmap().

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◆ writeFdFh()

qint64 QFSFileEnginePrivate::writeFdFh	(	const char *	data,
		qint64	len )

Definition at line 738 of file qfsfileengine.cpp.

References QFileSystemMetaData::clearFlags(), fh, metaData, QT_WRITE, QFileDevice::ResourceError, QFileSystemMetaData::SizeAttribute, QSystemError::stdString(), and QFileDevice::WriteError.

Referenced by nativeWrite().

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Member Data Documentation

◆ closeFileHandle

bool QFSFileEnginePrivate::closeFileHandle

Definition at line 199 of file qfsfileengine_p.h.

Referenced by closeFdFh(), and init().

◆ fd

int QFSFileEnginePrivate::fd

Definition at line 189 of file qfsfileengine_p.h.

Referenced by doStat(), nativeHandle(), and openFd().

◆ fh

FILE* QFSFileEnginePrivate::fh

Definition at line 173 of file qfsfileengine_p.h.

Referenced by closeFdFh(), doStat(), flushFh(), init(), nativeFlush(), nativeHandle(), nativeRead(), openFd(), openFh(), posFdFh(), readFdFh(), readLineFdFh(), seekFdFh(), and writeFdFh().

◆ fileEntry

QFileSystemEntry QFSFileEnginePrivate::fileEntry

Definition at line 133 of file qfsfileengine_p.h.

Referenced by doStat(), and isSymlink().

◆ is_link

uint QFSFileEnginePrivate::is_link

mutable

Definition at line 204 of file qfsfileengine_p.h.

Referenced by init().

◆ is_sequential

uint QFSFileEnginePrivate::is_sequential

mutable

Definition at line 201 of file qfsfileengine_p.h.

Referenced by init().

◆ lastFlushFailed

bool QFSFileEnginePrivate::lastFlushFailed

Definition at line 198 of file qfsfileengine_p.h.

Referenced by closeFdFh(), flushFh(), and init().

◆ lastIOCommand

LastIOCommand QFSFileEnginePrivate::lastIOCommand

Definition at line 197 of file qfsfileengine_p.h.

Referenced by flushFh(), init(), and seekFdFh().

◆ maps

QHash<uchar *, StartAndLength> QFSFileEnginePrivate::maps

Definition at line 187 of file qfsfileengine_p.h.

Referenced by map(), unmap(), and unmapAll().

◆ metaData

QFileSystemMetaData QFSFileEnginePrivate::metaData

mutable

Definition at line 171 of file qfsfileengine_p.h.

Referenced by doStat(), isSymlink(), map(), sizeFdFh(), and writeFdFh().

◆ need_lstat

uint QFSFileEnginePrivate::need_lstat

mutable

Definition at line 203 of file qfsfileengine_p.h.

Referenced by init().

◆ openMode

QIODevice::OpenMode QFSFileEnginePrivate::openMode

Definition at line 134 of file qfsfileengine_p.h.

Referenced by init(), map(), nativeOpen(), openFd(), and openFh().

◆ tried_stat

uint QFSFileEnginePrivate::tried_stat

mutable

Definition at line 202 of file qfsfileengine_p.h.

Referenced by closeFdFh(), doStat(), init(), and sizeFdFh().

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

qtbase/src/corelib/io/qfsfileengine_p.h (df6b74f4617bf0ba14420ed15fcc5866cccfb7d0)
qtbase/src/corelib/io/qfsfileengine.cpp (df6b74f4617bf0ba14420ed15fcc5866cccfb7d0)
qtbase/src/corelib/io/qfsfileengine_unix.cpp (c0fdd4b4513a2cbf805ee05a29b31ecab1aa89bb)
qtbase/src/corelib/io/qfsfileengine_win.cpp (df6b74f4617bf0ba14420ed15fcc5866cccfb7d0)

Classes

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Detailed Description

Member Enumeration Documentation

◆ LastIOCommand

Constructor & Destructor Documentation

◆ QFSFileEnginePrivate()

Member Function Documentation

◆ closeFdFh()

◆ doStat()

◆ flushFh()

◆ getPermissions()

◆ init()

◆ isSequentialFdFh()

◆ isSymlink()

◆ map()

◆ nativeClose()

◆ nativeFlush()

◆ nativeHandle()

◆ nativeIsSequential()

◆ nativeOpen()

◆ nativePos()

◆ nativeRead()

◆ nativeReadLine()

◆ nativeSeek()

◆ nativeSize()

◆ nativeSyncToDisk()

◆ nativeWrite()

◆ openFd()

◆ openFh()

◆ openModeCanCreate()

◆ posFdFh()

◆ readFdFh()

◆ readLineFdFh()

◆ seekFdFh()

◆ sizeFdFh()

◆ unmap()

◆ unmapAll()

◆ writeFdFh()

Member Data Documentation

◆ closeFileHandle

◆ fd

◆ fh

◆ fileEntry

◆ is_link

◆ is_sequential

◆ lastFlushFailed

◆ lastIOCommand

◆ maps

◆ metaData

◆ need_lstat

◆ openMode

◆ tried_stat