Inheritance diagram for QTemporaryFileEngine:

Public Functions
bool	close ()
	Reimplemented Function More...

bool	isReallyOpen ()

bool	open (QIODevice::OpenMode flags)
	Reimplemented Function More...

	QTemporaryFileEngine (const QString &file, bool fileIsTemplate=true)

bool	remove ()
	Reimplemented Function More...

bool	rename (const QString &newName)
	Reimplemented Function More...

void	setFileName (const QString &file)
	Reimplemented Function More...

void	setFileTemplate (const QString &fileTemplate)

	~QTemporaryFileEngine ()

Public Functions inherited from QFSFileEngine
Iterator *	beginEntryList (QDir::Filters filters, const QStringList &filterNames)

bool	caseSensitive () const
	Returns true for Windows, false for Unix. More...

bool	copy (const QString &newName)
	For windows, copy the file to file copyName. More...

Iterator *	endEntryList ()

QStringList	entryList (QDir::Filters filters, const QStringList &filterNames) const

bool	extension (Extension extension, const ExtensionOption option=0, ExtensionReturn output=0)
	Reimplemented Function More...

FileFlags	fileFlags (FileFlags type) const
	Reimplemented Function More...

QString	fileName (FileName file) const
	Reimplemented Function More...

QDateTime	fileTime (FileTime time) const
	Reimplemented Function More...

bool	flush ()
	Reimplemented Function More...

int	handle () const
	Reimplemented Function More...

bool	isRelativePath () const
	Reimplemented Function More...

bool	isSequential () const
	Reimplemented Function More...

bool	link (const QString &newName)
	Creates a link from the file currently specified by fileName() to newName. More...

bool	mkdir (const QString &dirName, bool createParentDirectories) const
	Reimplemented Function More...

bool	open (QIODevice::OpenMode flags, FILE *fh)
	Opens the file handle fh in openMode mode. More...

bool	open (QIODevice::OpenMode flags, int fd)
	Opens the file descriptor fd in openMode mode. More...

bool	open (QIODevice::OpenMode flags, int fd, QFile::FileHandleFlags handleFlags)
	Opens the file descriptor fd in openMode mode. More...

bool	open (QIODevice::OpenMode flags, FILE *fh, QFile::FileHandleFlags handleFlags)
	Opens the file handle fh in openMode mode. More...

QString	owner (FileOwner) const
	Reimplemented Function More...

uint	ownerId (FileOwner) const
	In Unix, if stat() is successful, the `uid` is returned if own is the owner. More...

qint64	pos () const
	Reimplemented Function More...

	QFSFileEngine ()
	Constructs a QFSFileEngine. More...

	QFSFileEngine (const QString &file)
	Constructs a QFSFileEngine for the file name file. More...

qint64	read (char *data, qint64 maxlen)
	Reimplemented Function More...

qint64	readLine (char *data, qint64 maxlen)
	Reimplemented Function More...

bool	rmdir (const QString &dirName, bool recurseParentDirectories) const
	Reimplemented Function More...

bool	seek (qint64)
	Reimplemented Function More...

bool	setPermissions (uint perms)
	Reimplemented Function More...

bool	setSize (qint64 size)
	Reimplemented Function More...

qint64	size () const
	Reimplemented Function More...

bool	supportsExtension (Extension extension) const
	Reimplemented Function More...

qint64	write (const char *data, qint64 len)
	Reimplemented Function More...

	~QFSFileEngine ()
	Destructs the QFSFileEngine. More...

Public Functions inherited from QAbstractFileEngine
bool	atEnd () const
	Returns true if the current position is at the end of the file; otherwise, returns false. More...

QFile::FileError	error () const
	Returns the QFile::FileError that resulted from the last failed operation. More...

QString	errorString () const
	Returns the human-readable message appropriate to the current error reported by error(). More...

uchar *	map (qint64 offset, qint64 size, QFile::MemoryMapFlags flags)
	Maps size bytes of the file into memory starting at offset. More...

bool	unmap (uchar *ptr)
	Unmaps the memory address. More...

virtual	~QAbstractFileEngine ()
	Destroys the QAbstractFileEngine. More...

Public Variables
bool	filePathIsTemplate

Additional Inherited Members
Public Types inherited from QAbstractFileEngine
enum	Extension { AtEndExtension, FastReadLineExtension, MapExtension, UnMapExtension }
	This enum describes the types of extensions that the file engine can support. More...

enum	FileFlag { ReadOwnerPerm = 0x4000, WriteOwnerPerm = 0x2000, ExeOwnerPerm = 0x1000, ReadUserPerm = 0x0400, WriteUserPerm = 0x0200, ExeUserPerm = 0x0100, ReadGroupPerm = 0x0040, WriteGroupPerm = 0x0020, ExeGroupPerm = 0x0010, ReadOtherPerm = 0x0004, WriteOtherPerm = 0x0002, ExeOtherPerm = 0x0001, LinkType = 0x10000, FileType = 0x20000, DirectoryType = 0x40000, BundleType = 0x80000, HiddenFlag = 0x0100000, LocalDiskFlag = 0x0200000, ExistsFlag = 0x0400000, RootFlag = 0x0800000, Refresh = 0x1000000, PermsMask = 0x0000FFFF, TypesMask = 0x000F0000, FlagsMask = 0x0FF00000, FileInfoAll = FlagsMask \| PermsMask \| TypesMask }
	The permissions and types of a file, suitable for OR'ing together. More...

enum	FileName { DefaultName, BaseName, PathName, AbsoluteName, AbsolutePathName, LinkName, CanonicalName, CanonicalPathName, BundleName, NFileNames = 9 }
	These values are used to request a file name in a particular format. More...

enum	FileOwner { OwnerUser, OwnerGroup }

enum	FileTime { CreationTime, ModificationTime, AccessTime }
	These are used by the fileTime() function. More...

typedef QAbstractFileEngineIterator	Iterator

Static Public Functions inherited from QFSFileEngine
static QString	currentPath (const QString &path=QString())
	For Unix, returns the current working directory for the file engine. More...

static QFileInfoList	drives ()
	For Windows, returns the list of drives in the file system as a list of QFileInfo objects. More...

static QString	homePath ()
	Returns the home path of the current user. More...

static QString	rootPath ()
	Returns the root path. More...

static bool	setCurrentPath (const QString &path)
	Sets the current path (e. More...

static QString	tempPath ()
	Returns the temporary path (i. More...

Static Public Functions inherited from QAbstractFileEngine
static QAbstractFileEngine *	create (const QString &fileName)
	Creates and returns a QAbstractFileEngine suitable for processing fileName. More...

Protected Functions inherited from QFSFileEngine
	QFSFileEngine (QFSFileEnginePrivate &dd)

Protected Functions inherited from QAbstractFileEngine
	QAbstractFileEngine ()
	Constructs a new QAbstractFileEngine that does not refer to any file or directory. More...

	QAbstractFileEngine (QAbstractFileEnginePrivate &)
	Constructs a QAbstractFileEngine. More...

void	setError (QFile::FileError error, const QString &str)
	Sets the error type to error, and the error string to errorString. More...

Protected Variables inherited from QAbstractFileEngine
QScopedPointer< QAbstractFileEnginePrivate >	d_ptr

Related Functions inherited from QAbstractFileEngine
	Iterator
	Synonym for QAbstractFileEngineIterator. More...

Detailed Description

Definition at line 251 of file qtemporaryfile.cpp.

Constructors and Destructors

◆ QTemporaryFileEngine()

QTemporaryFileEngine::QTemporaryFileEngine	(	const QString &	file,
		bool	fileIsTemplate = `true`
	)

inline

Definition at line 255 of file qtemporaryfile.cpp.

         : QFSFileEngine(), filePathIsTemplate(fileIsTemplate)
     {
         Q_D(QFSFileEngine);
         d->fileEntry = QFileSystemEntry(file);
 
         if (!filePathIsTemplate)
             QFSFileEngine::setFileName(file);
     }

◆ ~QTemporaryFileEngine()

QTemporaryFileEngine::~QTemporaryFileEngine ( )

Definition at line 279 of file qtemporaryfile.cpp.

Referenced by QTemporaryFileEngine().

 {
     QFSFileEngine::close();
 }

Functions

◆ close()

bool QTemporaryFileEngine::close ( )

virtual

Reimplemented Function

Reimplemented from QFSFileEngine.

Definition at line 428 of file qtemporaryfile.cpp.

Referenced by QTemporaryFileEngine().

 {
     // Don't close the file, just seek to the front.
     seek(0);
     setError(QFile::UnspecifiedError, QString());
     return true;
 }

◆ isReallyOpen()

bool QTemporaryFileEngine::isReallyOpen ( )

Definition at line 284 of file qtemporaryfile.cpp.

Referenced by open(), and QTemporaryFileEngine().

 {
     Q_D(QFSFileEngine);
 
     if (!((0 == d->fh) && (-1 == d->fd)
 #if defined (Q_OS_SYMBIAN)
                 && (0 == d->symbianFile.SubSessionHandle())
 #endif
 #if defined Q_OS_WIN
                 && (INVALID_HANDLE_VALUE == d->fileHandle)
 #endif
             ))
         return true;
 
     return false;
 
 }

◆ open()

bool QTemporaryFileEngine::open ( QIODevice::OpenMode openMode )

virtual

Reimplemented Function

Reimplemented from QFSFileEngine.

Definition at line 316 of file qtemporaryfile.cpp.

Referenced by QTemporaryFileEngine().

 {
     Q_D(QFSFileEngine);
     Q_ASSERT(!isReallyOpen());
 
     openMode |= QIODevice::ReadWrite;
 
     if (!filePathIsTemplate)
         return QFSFileEngine::open(openMode);
 
     QString qfilename = d->fileEntry.filePath();
 
     // Ensure there is a placeholder mask
     uint phPos = qfilename.length();
     uint phLength = 0;
 
     while (phPos != 0) {
         --phPos;
 
         if (qfilename[phPos] == QLatin1Char('X')) {
             ++phLength;
             continue;
         }
 
         if (phLength >= 6
                 || qfilename[phPos] == QLatin1Char('/')) {
             ++phPos;
             break;
         }
 
         // start over
         phLength = 0;
     }
 
     if (phLength < 6)
         qfilename.append(QLatin1String(".XXXXXX"));
 
     // "Nativify" :-)
     QFileSystemEntry::NativePath filename = QFileSystemEngine::absoluteName(
             QFileSystemEntry(qfilename, QFileSystemEntry::FromInternalPath()))
         .nativeFilePath();
 
     // Find mask in native path
     phPos = filename.length();
     phLength = 0;
     while (phPos != 0) {
         --phPos;
 
         if (filename[phPos] == Latin1Char('X')) {
             ++phLength;
             continue;
         }
 
         if (phLength >= 6) {
             ++phPos;
             break;
         }
 
         // start over
         phLength = 0;
     }
 
     Q_ASSERT(phLength >= 6);
 
     QSystemError error;
 #if defined(Q_OS_WIN)
     NativeFileHandle &file = d->fileHandle;
 #elif defined(Q_OS_SYMBIAN)
     NativeFileHandle &file = d->symbianFile;
 #else // POSIX
     NativeFileHandle &file = d->fd;
 #endif
 
     if (!createFileFromTemplate(file, filename, phPos, phLength, error)) {
         setError(QFile::OpenError, error.toString());
         return false;
     }
 
     d->fileEntry = QFileSystemEntry(filename, QFileSystemEntry::FromNativePath());
 
 #if !defined(Q_OS_WIN)
     d->closeFileHandle = true;
 #endif
 
     filePathIsTemplate = false;
 
     d->openMode = openMode;
     d->lastFlushFailed = false;
     d->tried_stat = 0;
 
     return true;
 }

◆ remove()

bool QTemporaryFileEngine::remove ( )

virtual

Reimplemented Function

Reimplemented from QFSFileEngine.

Definition at line 409 of file qtemporaryfile.cpp.

 {
     Q_D(QFSFileEngine);
     // Since the QTemporaryFileEngine::close() does not really close the file,
     // we must explicitly call QFSFileEngine::close() before we remove it.
     QFSFileEngine::close();
     if (QFSFileEngine::remove()) {
         d->fileEntry.clear();
         return true;
     }
     return false;
 }

◆ rename()

bool QTemporaryFileEngine::rename ( const QString & newName )

virtual

Reimplemented Function

Reimplemented from QFSFileEngine.

Definition at line 422 of file qtemporaryfile.cpp.

Referenced by QTemporaryFileEngine().

 {
     QFSFileEngine::close();
     return QFSFileEngine::rename(newName);
 }

◆ setFileName()

void QTemporaryFileEngine::setFileName ( const QString & file )

virtual

Reimplemented Function

Reimplemented from QFSFileEngine.

Definition at line 302 of file qtemporaryfile.cpp.

Referenced by QTemporaryFileEngine().

 {
     // Really close the file, so we don't leak
     QFSFileEngine::close();
     QFSFileEngine::setFileName(file);
 }

◆ setFileTemplate()

void QTemporaryFileEngine::setFileTemplate ( const QString & fileTemplate )

Definition at line 309 of file qtemporaryfile.cpp.

Referenced by QTemporaryFileEngine().

 {
     Q_D(QFSFileEngine);
     if (filePathIsTemplate)
         d->fileEntry = QFileSystemEntry(fileTemplate);
 }

Properties

◆ filePathIsTemplate

bool QTemporaryFileEngine::filePathIsTemplate

Definition at line 276 of file qtemporaryfile.cpp.

Referenced by open(), QTemporaryFileEngine(), and setFileTemplate().

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

/src/corelib/io/qtemporaryfile.cpp

Public Functions

Public Variables

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QTemporaryFileEngine()

◆ ~QTemporaryFileEngine()

Functions

◆ close()

◆ isReallyOpen()

◆ open()

◆ remove()

◆ rename()

◆ setFileName()

◆ setFileTemplate()

Properties

◆ filePathIsTemplate