C++ QFile::permissions方法代码示例

/*!
 Opens this file in \a mode.
 Note that only QIODevice::ReadWrite and QIODevice::WriteOnly are supported.
 */
bool KDSaveFile::open( OpenMode mode )
{
    setOpenMode( QIODevice::NotOpen );
    if ( mode & QIODevice::Append )
    {
        setErrorString( tr("Append mode not supported.") );
        return false;
    }

    if ( ( mode & QIODevice::WriteOnly ) == 0 ) {
        setErrorString( tr("Read-only access not supported.") );
        return false;
    }

    const QFile f( d->filename );

    if ( f.exists() && !QFileInfo( d->filename ).isWritable() ) {
        setErrorString( tr("The target file %1 exists and is not writable").arg( d->filename ) );
        return false;
    }
    const bool opened = d->recreateTemporaryFile( mode );
    if( opened )
        setOpenMode( mode );

    if( f.exists() )
        d->tmpFile->setPermissions( f.permissions() );

    //if target file already exists, apply permissions of existing file to temp file
    return opened;
}

bool Gcc::run(QString filename)
{
	if(!compile(filename))
		return false;

	QString outputString;
	QFileInfo outputFileInfo(m_outputFileName);
	QFile scriptFile;

#ifdef Q_OS_WIN32
	scriptFile.setFileName(QDir::temp().absoluteFilePath("kiprBatchFile.cmd"));
	outputString += "@echo off\n";
	outputString += "\"" + QDir::toNativeSeparators(outputFileInfo.absolutePath()) + "\\" + outputFileInfo.fileName() + "\"\n";
	outputString +=  "pause\n";
#else
	scriptFile.setFileName(QDir::temp().absoluteFilePath("kiprScript.sh"));
	outputString += "#!/bin/bash\n";
	outputString += "cd \"" + outputFileInfo.absolutePath() + "\"\n";
	outputString += "\"./" + outputFileInfo.fileName() + "\"\n";
#endif

	if(!scriptFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
		qWarning("Gcc::run() Unable to open temp file for writing");
		return false;
	}

	scriptFile.setPermissions(scriptFile.permissions() | QFile::ExeOwner);
	scriptFile.write(outputString.toLocal8Bit());
	scriptFile.close();

	QStringList args;
	QFileInfo scriptInfo(scriptFile);

	m_outputBinary.setWorkingDirectory(outputFileInfo.absolutePath());

#ifdef Q_OS_WIN32
	QString startLine = "start \"" + m_outputFileName + "\" \"cmd /c " +
						scriptInfo.absoluteFilePath() + "\"\n";
	args << "/k";
	m_outputBinary.start("cmd", args);
	m_outputBinary.write(startLine.toLocal8Bit());
	m_outputBinary.write("exit\n");
#elif defined(Q_OS_MAC)
	args << "-a" << "/Applications/Utilities/Terminal.app" << scriptInfo.absoluteFilePath();
	m_outputBinary.start("open", args);
#else
	args << "-e" << scriptInfo.absoluteFilePath() + " && echo \"\nQuitting in 5 secs...\" && sleep 5";
	m_outputBinary.start("xterm", args);
#endif

	return true;

}

/**
\param menu
**/
void PluginBl_BloqConf::s_pintaMenu ( QMenu *menu )
{
    BL_FUNC_DEBUG
    
    BlSubForm *sub = (BlSubForm *) sender();
    int modo = !sub->editMode();
    
    
    menu->addSeparator();
    QAction * ac = new QAction("Bloqueo Configuracion" , menu);
    ac->setObjectName("actionBloqueoConfiguracion");
    ac -> setCheckable(TRUE);
            QString archivo = g_confpr->value( CONF_DIR_USER ) + sub->fileConfig() + "_" + sub->mainCompany()->dbName() + "_" + QString::number ( modo ) + "_tablecfn.cfn";
            QFile file ( archivo );
            if (file.permissions() & QFile::WriteOwner) {
              ac->setChecked(FALSE);
            } else {
              ac->setChecked(TRUE);
            } // end if
    
    
    menu->addAction ( ac );
    
}

void KSaveFileTest::test_ksavefile()
{
    QString targetFile;

    {
        //This will be the file we eventually write to. Yes, I know you
        //should never remove the temporaryfile and then expect the filename
        //to continue to be unique, but this is a test for crying out loud. :)
        KTemporaryFile file;
        file.setPrefix("ksavefiletest");
        QVERIFY( file.open() );
        targetFile = file.fileName();
    }

    {
        //Test basic functionality
        KSaveFile saveFile;
        saveFile.setFileName(targetFile);
        QVERIFY( saveFile.open() );
        QVERIFY( !QFile::exists(targetFile) );

        QTextStream ts ( &saveFile );
        ts << "This is test data one.\n";
        ts.flush();
        QCOMPARE( saveFile.error(), QFile::NoError );
        QVERIFY( !QFile::exists(targetFile) );

        QVERIFY( saveFile.finalize() );
        QVERIFY( QFile::exists(targetFile) );

        QFile::remove(targetFile);
        QVERIFY( !QFile::exists(targetFile) );
    }

    {
        //Make sure destructor does what it is supposed to do.
        {
            KSaveFile saveFile;
            saveFile.setFileName(targetFile);
            QVERIFY( saveFile.open() );
            QVERIFY( !QFile::exists(targetFile) );
        }

        QVERIFY( QFile::exists(targetFile) );
        QFile::remove(targetFile);
        QVERIFY( !QFile::exists(targetFile) );
    }

    {
        //Test some error conditions
        KSaveFile saveFile;
        QVERIFY( !saveFile.open() ); //no filename
        saveFile.setFileName(targetFile);
        QVERIFY( saveFile.open() );
        QVERIFY( !QFile::exists(targetFile) );
        QVERIFY( !saveFile.open() ); //already open

        QVERIFY( saveFile.finalize() );
        QVERIFY( QFile::exists(targetFile) );
        QVERIFY( !saveFile.finalize() ); //already finalized

        QFile::remove(targetFile);
        QVERIFY( !QFile::exists(targetFile) );
    }

    {
        //Do it again, aborting this time
        KSaveFile saveFile ( targetFile );
        QVERIFY( saveFile.open() );
        QVERIFY( !QFile::exists(targetFile) );

        QTextStream ts ( &saveFile );
        ts << "This is test data two.\n";
        ts.flush();
        QCOMPARE( saveFile.error(), QFile::NoError );
        QVERIFY( !QFile::exists(targetFile) );

        saveFile.abort();
        QVERIFY( !QFile::exists(targetFile) );
    }

    QFile file ( targetFile );
    QVERIFY( file.open(QIODevice::WriteOnly | QIODevice::Text) );
    QVERIFY( file.setPermissions( file.permissions() | QFile::ExeUser ) );
    file.close();

    {
        //Test how it works when the file already exists
        //Also check for special permissions
        KSaveFile saveFile ( targetFile );
        QVERIFY( saveFile.open() );

        QVERIFY( QFile::exists(targetFile) );
        QFileInfo fi ( targetFile );

#ifndef Q_WS_WIN
        // Windows: qt_ntfs_permission_lookup is not set by default in
        // qfsfileengine_win.cpp, could change in future Qt versions.
        QVERIFY( fi.permission( QFile::ExeUser ) );
#endif
//.........这里部分代码省略.........