C++ deleteAll函数代码示例

void MusicDataDownloadThread::downLoadFinished()
{
    if(!m_file)
    {
        deleteAll();
        return;
    }

    m_timer.stop();
    m_file->flush();
    m_file->close();
    QVariant redirectionTarget = m_reply->attribute(QNetworkRequest::RedirectionTargetAttribute);
    if(m_reply->error())
    {
        m_file->remove();
    }
    else if(!redirectionTarget.isNull())
    {
        m_redirection = true;
        m_reply->deleteLater();
        m_file->open(QIODevice::WriteOnly);
        m_file->resize(0);
        startRequest(m_reply->url().resolved(redirectionTarget.toUrl()));
        return;
    }
    else
    {
        emit downLoadDataChanged("Data");
        M_LOGGER_INFO("data download has finished!");
    }
    deleteAll();
}

void HCTree::deleteAll(HCNode *root) {
    if (root == 0) return;
    deleteAll(root->c0);
    deleteAll(root->c1);
    delete(root);
    root = 0;
}

void Parser::close(void) {
    if (file) {
        gzclose(file);
        file = NULL;
    }

    deleteAll(calls);
    deleteAll(functions);
    deleteAll(structs);
    deleteAll(enums);
    deleteAll(bitmasks);
}

	void deleteAllWorld(){
		deleteAll(wWalls);
		deleteAll(wEntities);
		deleteAll(wSoftEntities);

		//delete every light and set it to null
		for(int i=0; i<LIGHT_COUNT;i++){
			if(wLights[i]!=NULL){
				delete wLights[i];
				wLights[i]=NULL;
			}
		}
	}

void MusicRadioSongsThread::downLoadFinished()
{
    if(m_reply == nullptr)
    {
        deleteAll();
        return;
    }

    if(m_reply->error() == QNetworkReply::NoError)
    {
        QByteArray bytes = m_reply->readAll();
#ifdef MUSIC_QT_5
        QJsonParseError jsonError;
        QJsonDocument parseDoucment = QJsonDocument::fromJson(bytes, &jsonError);
        ///Put the data into Json
        if(jsonError.error != QJsonParseError::NoError ||
           !parseDoucment.isObject())
        {
            deleteAll();
            return ;
        }

        QJsonObject jsonObject = parseDoucment.object();
        if(jsonObject.contains("data"))
        {
            jsonObject = jsonObject.value("data").toObject();
            if(jsonObject.contains("songList"))
            {
                QJsonArray array = jsonObject.value("songList").toArray();
                foreach(QJsonValue value, array)
                {
                    if(!value.isObject())
                    {
                       continue;
                    }
                    QJsonObject object = value.toObject();

                    m_songInfo.m_songUrl = object.value("songLink").toString();
                    m_songInfo.m_songName = object.value("songName").toString();
                    m_songInfo.m_artistName = object.value("artistName").toString();
                    m_songInfo.m_songPicUrl = object.value("songPicRadio").toString();
                    m_songInfo.m_albumName = object.value("albumName").toString();
                    QString lrcLink = object.value("lrcLink").toString();
                    if(!lrcLink.contains( LRC_PREFIX ))
                    {
                        lrcLink = LRC_PREFIX + lrcLink;
                    }
                    m_songInfo.m_lrcUrl = lrcLink;
                }
            }

/*!
The SLRefGroup::shapeInit checks the validity of the referenced node. To avoid 
endless loops a refShape node is not allowed to refShape its ancestors. An 
ancestor of a refShape node is group node followed along the previous pointers 
with lower depth than the depth of the refShape node.
*/
void SLRefGroup::shapeInit(SLSceneView* sv)
{  
   // cummulate wm with referenced wm
   SLShape* ref = (SLShape*)_refGroup; 
   _wm *= ref->m();
   _wmI.setMatrix(_wm.inverse());
   _wmN.setMatrix(_wmI.mat3());
   _wmN.transpose();
   
   // check circular references
   SLNode* parent = this->parent();
   while (parent)
   {  if (parent==_refGroup)
         SL_EXIT_MSG("Reference node produces a never ending loop.");
      parent = parent->parent();
   }
   
   // set transparency flag
   _aabb.hasAlpha(((SLShape*)_refGroup)->aabb()->hasAlpha());
   
   // delete all child references
   if (_first) deleteAll();
      
   // loop through the referenced group and add a SLRefShape or SLRefGroup
   SLNode* current = ((SLGroup*)_refGroup)->first();
   while (current)
   {  if (typeid(*current)==typeid(SLGroup))
           addNode(new SLRefGroup((SLGroup*)current, name()+"_"+current->name()));
      else addNode(new SLRefShape((SLShape*)current, name()+"_"+current->name()));
      ((SLShape*)_last)->wm(_wm);
      ((SLShape*)_last)->depth(depth()+1);
      ((SLShape*)_last)->shapeInit(sv);
      current = current->next();
   }
}

PluginManager::~PluginManager()
{
	writeSettings();
	stopAll();
	deleteAll();
	qDeleteAll(m_pluginSpecs);
}

void Parser::setBookmark(const ParseBookmark &bookmark) {
    file->setCurrentOffset(bookmark.offset);
    next_call_no = bookmark.next_call_no;
    
    // Simply ignore all pending calls
    deleteAll(calls);
}

int main(int argc, char *argv[]){
	if(argc<3){
		printf("useage:./solve file time_limit\n");
		return 0;
	}
	srand(11);
	read_inst(argv[1]);
	int time_limit=atoi(argv[2]);
	//solveIP(10);
	solveLP();
	cpu_time();
	int cnt=0;
	double ratio=0.5;
	int i=len_rdCost1-1;
	double maxRdc=0.0;
	maxIte=n*10;
	while(cpu_time()<time_limit && maxRdc<UB-LB-EPSILON){
		double t_remain=time_limit-cpu_time();
		if(t_remain<EPSILON) break;
		if(i<0) maxRdc= UB - LB;
		else maxRdc=rdCost_sort1[i].value-EPSILON;
		printf("iteration %d, cup_time:%lf, maxRdc %lf, LB =%lf\n", cnt, cpu_time(),maxRdc, LB);
		solveIP(t_remain,cnt, maxRdc);
		cnt++;
		printf("--------------\n\n");
		i--;
		//while(i>=0&&rdCost_sort1[i].value<maxRdc+0.1){i--;}
	}
	printf("best LB is %lf, cpu_time %lf\n", LB, cpu_time());
	deleteAll();
	return 0;
}

void MusicDownLoadQueryKWThread::startToPage(int offset)
{
    if(!m_manager)
    {
        return;
    }

    M_LOGGER_INFO(QString("%1 startToPage %2").arg(getClassName()).arg(offset));
    deleteAll();

    QUrl musicUrl = MusicUtils::Algorithm::mdII(KW_SONG_SEARCH_URL, false)
                    .arg(m_searchText).arg(offset).arg(m_pageSize);
    m_interrupt = true;
    m_pageTotal = 0;
    m_pageIndex = offset;

    QNetworkRequest request;
    request.setUrl(musicUrl);
    request.setRawHeader("Content-Type", "application/x-www-form-urlencoded");
    request.setRawHeader("User-Agent", MusicUtils::Algorithm::mdII(KW_UA_URL_1, ALG_UA_KEY, false).toUtf8());
    setSslConfiguration(&request);

    m_reply = m_manager->get(request);
    connect(m_reply, SIGNAL(finished()), SLOT(downLoadFinished()));
    connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)), SLOT(replyError(QNetworkReply::NetworkError)));
}

void MAX7219::displayText(){
    //printf("Start displayText()\n");
    vector<MAX7219::Punkt> ausgabe = MAX7219::text;
    //printf("vector übergeben\n");
    int displayIndex=0;
    int maxX = findMax(MAX7219::text);
    //printf("maxX: %d\n", maxX);
    
    //printf("Start while\n");
    while(displayIndex-2 < maxX)
    {
        deleteAll();
        MAX7219_buffer_out();
        int zweiDimArray[8][8] = {0};
        
        //printf("displayIndex: %d\n", displayIndex);
        
        //zweiDimArray[8][8] = { 0 };
        for(int i = 0; i < ausgabe.size();i++){
            if(ausgabe.at(i).x<displayIndex+8 && ausgabe.at(i).x>=displayIndex)
            {
                zweiDimArray[ausgabe.at(i).x - displayIndex][ausgabe.at(i).y] = 1;
            }
        }
        displayIndex++;
        //printf("Print Led\n");
        displayZeichen(zweiDimArray);
        MAX7219_buffer_out(); // Output the buffer
        //usleep(200000);
        usleep(200000);
    }
    //printf("Ende displayText()\n");
}

/*------------------------------------------------------------*/
void cleanUp( void )
{
#if defined(SHOW_OBJECTS_AT_EXIT)
    MyObject* t;
    t = head;
    while( t != NULL ) {
        switch( t->type ) {
        case OBJ_RECTANGLE:
            printf( "\nRectangle with coordinates (%d,%d) and (%d,%d)\n",
                    t->x0, t->y0, t->x1, t->y1 );
            break;
        case OBJ_SQUARE:
            printf( "\nSquare with coordinates (%d,%d) and (%d,%d)\n",
                    t->x0, t->y0, t->x1, t->y1 );
            break;
        default:
            printf( "\nUnknown object type found.\n" );
            break;
        }; // switch.

        // always show the colors for all objects.
        printf( "Colors: Red - %f, Green - %f, Blue - %f\n",
                t->r, t->g, t->b );

        t = t->next;
    }// while
#endif

    deleteAll();

    // post any quitting messages...
    printf( "Good bye\n" );
}

returnValue BoxConstraint::init( const Grid& grid_ ){

    deleteAll();

    grid  = grid_;

    nb    = 0;
    var   = 0;
    index = 0;
    blb   = 0;
    bub   = 0;

    residuumXL  = new DMatrix[grid.getNumPoints()];
    residuumXU  = new DMatrix[grid.getNumPoints()];
    residuumXAL = new DMatrix[grid.getNumPoints()];
    residuumXAU = new DMatrix[grid.getNumPoints()];
    residuumPL  = new DMatrix[1                  ];
    residuumPU  = new DMatrix[1                  ];
    residuumUL  = new DMatrix[grid.getNumPoints()];
    residuumUU  = new DMatrix[grid.getNumPoints()];
    residuumWL  = new DMatrix[grid.getNumPoints()];
    residuumWU  = new DMatrix[grid.getNumPoints()];

    return SUCCESSFUL_RETURN;
}

/*------------------------------------------------------------*/
void handleMenu( int value )
{

    switch( value ) {
    case MENU_EDIT:
        p_state = EDIT_OBJ;
        break;
    case MENU_DELETE:
        p_state = DELETE_OBJ;
        break;
    case MENU_CLEAR:
        deleteAll();
        break;
    case MENU_SWAP:
#if defined(SHOW_TEXT_STEPS)
        printf( "Swapping buffers.\n" );
#endif
        glutSwapBuffers();
        glutSwapBuffers();
        break;
    case MENU_EXIT:
        cleanUp();
        exit(0);
    };
}

void VideoCapture::onSave()
{
	myTimer.stop();

	QString fileFormat="mpg";
	
  QString initialPath = QDir::currentPath() + "/"+myFileName+"." + fileFormat;

  QString fileName = QFileDialog::getSaveFileName(myParent, tr("Save As"),
                               initialPath,
                               tr("%1 Files (*.%2);;All Files (*)")
                               .arg(QString(fileFormat.toUpper()))
                               .arg(QString(fileFormat)));

  if (fileName.isEmpty()) 
	{
    return;
  } 
	else 
	{
//		QMessageBox::information(0, "start", fileName);
/*		for (int i = 1; i<=myFrame;i++)
		{
			QString fn = myFileName+QString::number(i).rightJustified (5, '0');
			QImage img;
			bool ok;
			ok = img.load (fn+".bmp");
			if (!ok)
			{
				QMessageBox::warning (0, "gif", fn+".bmp");
			}
			ok = img.save(fn+".jpg");
			if (!ok)
			{
				QMessageBox::warning (0, "jpeg", fn+".jpg");
			}

//			QFile::remove (fn+".bmp");
		}
*/		
		int sW = Options::VideoWidth;
		int sH = Options::VideoHeight;
		int r = Options::VideoRate;
		QString command;
		QString keys = //" -t "+ QString::number(endTime)+
			
				QString::number(sW) + " "+QString::number(sH)+" " + QString::number(r);
		QString bat = QCoreApplication::applicationDirPath ()+"/";

		command = bat + "mpeg.bat "+myFileName+" "+ fileName + " "+ keys;// +" >a.txt";
//		"D:/PRADISWORK/bin/debug-vc6/ffmpeg.exe   -f image2 -i "+myFileName+"%%05d.bmp -target vcd -sameq -y "+ fileName + " >a.txt";
		command = command.replace("\\","/");
//		qWarning(command);
//		system ("cd "+);
//		QMessageBox::warning (0, "jpeg", command);
		system(command.toAscii().data());
		deleteAll();
	}		
};