MFile Class Reference

overwrites QFile to only generate a file if its new version differs from an existing one, it creates a temporary file with ",new" added to the file name; additionally it records all file names that it touches; this is not a complete implementation - just enough for woc; it assumes that files are opened to be (re)created More...

#include <mfile.h>

List of all members.

Public Member Functions
	MFile (QString name, QObject *parent=0)
	creates a new file (tentatively) with the given name (temporarily with ",new" appended)
	MFile (QObject *parent=0)
	creates a file object
	~MFile ()
	implicitly closes the file
virtual void	close ()
	compares the old (if it exists) and new version of the file and overwrites the old one if there are differences
virtual bool	open (QIODevice::OpenMode m=QIODevice::WriteOnly)
	opens the file, WriteOnly is assumed as mode
QString	fileName () const
	returns the name of the file (without ",new")
void	setFileName (QString n)
	sets the file name for the file to be written; must be called before it is opened
Static Public Member Functions
static bool	touchedFile (QString)
	returns true if that file name has been touched yet
Private Attributes
bool	isopen
QString	name
Static Private Attributes
static QMap< QString, QStringList >	touched

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Detailed Description

overwrites QFile to only generate a file if its new version differs from an existing one, it creates a temporary file with ",new" added to the file name; additionally it records all file names that it touches; this is not a complete implementation - just enough for woc; it assumes that files are opened to be (re)created

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Constructor & Destructor Documentation

MFile::MFile	(	QString	name,
		QObject *	parent = 0
	)

creates a new file (tentatively) with the given name (temporarily with ",new" appended)

MFile::MFile

(

QObject *

parent = 0

)

creates a file object

MFile::~MFile

(

)

implicitly closes the file

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Member Function Documentation

void MFile::close

(

)

[virtual]

compares the old (if it exists) and new version of the file and overwrites the old one if there are differences

QString MFile::fileName

(

)

const [inline]

returns the name of the file (without ",new")

bool MFile::open

(

QIODevice::OpenMode

m = QIODevice::WriteOnly

)

[virtual]

opens the file, WriteOnly is assumed as mode

void MFile::setFileName

(

QString

n

)

sets the file name for the file to be written; must be called before it is opened

bool MFile::touchedFile

(

QString

name

)

[static]

returns true if that file name has been touched yet

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Member Data Documentation

bool MFile::isopen [private]

QString MFile::name [private]

QMap< QString, QStringList > MFile::touched [static, private]

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

• mfile.h
• mfile.cpp