C++ setNext函数代码示例

        bool Page::deleteObj(long long headerpos)
        {
            //reading the Page
            tasking::RWLockGuard<> lock(m_rwLock, tasking::WRITE);
            auto l_header = reinterpret_cast<HeaderMetaData*>(static_cast<char*>(m_header) + headerpos);
            auto l_oid = l_header->getOID();
            //start delete by calculating the start position and passing the hash of the obj name
            deleteObj(l_header->getObjektType(), static_cast<char*>(m_body) + l_header->getPos());

            //now its delete put the freetype ptr to the start
            //of the "prepared" deleted object
            auto l_free = m_free;
            while (l_free->getNext() == 0)
                l_free = reinterpret_cast<FreeType*>(reinterpret_cast<char*>(l_free) + l_free->getNext());
            // now l_Free is the last element;
            l_free->setNext(dist(l_free, static_cast<char*>(m_body) + l_header->getPos()));

            // Delete header
            l_free = m_headerFree;
            while (l_free->getNext() == 0)
                l_free = reinterpret_cast<FreeType*>(reinterpret_cast<char*>(l_free) + l_free->getNext());

            //now we have the last free element of the header
            //insert free type with the right size
            auto l_deletedHeader = new(l_header) FreeType(sizeof(HeaderMetaData));
            //set the freeType pointer to it
            l_free->setNext(dist(l_free, l_deletedHeader));

            //delete the obj of the idx
            index::ObjectIndex::getInstance().erase(l_oid);
            //do NOT delete the Meta! it is way faster to
            //insert with meta then without so keep the data
            return true;
        }

SET
setXIntersect(SET A,SET B)
{
    SET set;
    void *e;

    if (! (A->cmp && B->cmp) )
	return NULL;		/* Both need a compare function */

    /* Create new set */
    if (! (set = setNew(A->cmp,A->ed,A->ord)))
	{ XLOG(set); return NULL; }

    /* Add elements of A only */
    for (e = setFirst(A); e; e = setNext(A))
	if (!setContains(B,e))
	    setAdd(set,e);

    /* Add elements of B only */
    for (e = setFirst(B); e; e = setNext(B))
	if (!setContains(A,e))
	    setAdd(set,e);

    return set;
}

 void setNext(TreeLinkNode *node, int depth, vector<TreeLinkNode*> &nexts) {
     if (node == nullptr) return;
     while ((int)nexts.size() <= depth) nexts.push_back(nullptr);
     node->next = nexts[depth];
     nexts[depth] = node;
     setNext(node->right, depth + 1, nexts);
     setNext(node->left, depth + 1, nexts);
 }

// updateData
// update data
void CWayPoint::updateData( CSerializable* pObj )
{
	pObj->nextRecord();
	
	CZone* pZone = (CZone*) getParent();

	// next waypoint
	long id = pObj->readLong();	
	CGameObject *p = pZone->searchObject( id );

	if ( id != -1 && p )
	{		
		if ( p && p->getObjectType() == CGameObject::WaypointObject )
		{
			((CWayPoint*)p)->setBack( this );
			setNext( (CWayPoint*)p );
		}
	}
	else
	{
		if ( m_next )
			m_next->setBack( NULL );
		setNext(NULL);
	}

	// prev waypoint
	id = pObj->readLong();
	p = pZone->searchObject( id );

	if ( id != -1 && p )
	{
		if ( p && p->getObjectType() == CGameObject::WaypointObject )
		{
			((CWayPoint*)p)->setNext( this );
			setBack( (CWayPoint*)p );
		}
	}
	else
	{
		if ( m_back )
			m_back->setNext( NULL );
		setBack(NULL);
	}

	// wait time
	m_timeWait = pObj->readLong();

	CGameObject::updateData( pObj );
}

  /*
  * \bug fel  om vi flyttas till att vara första barn..
  */
  void CellCursor::moveBefore(Cell *current)
  {
    // 2006-04-27 AF,
    cursorIsMoved();

    removeFromCurrentPosition();

    //Remove all widgets from currents parent.
    current->parentCell()->removeCellWidgets();

    //Move to new position.
    if(current->hasParentCell())
    {
      setParentCell(current->parentCell());
      if(!current->hasPrevious())
        current->parentCell()->setChild(this);
      else
        current->previous()->setNext(this);

    }
    else
      throw runtime_error("Could not insert before root");

    setPrevious(current->previous());
    current->setPrevious(this);
    setNext(current);

    //Insert widgets to parents layout.
    parentCell()->addCellWidgets();

    // TMP EMIT
    emit changedPosition();
    //      emit positionChanged(x(), y(), 5, 5);
  }

void MqttBridge::received(const QMQTT::Message &message){
    //Now we have to pass on the different command to the DBUS command
    //That will be done by emitting signals, as we have no
    //knowlege of the dBus class, We will try to have a clean interface

    qDebug()<<"Message Topic and payload "<<message.topic() << message.payload();
    if      (message.topic()==mediaPlayCommand) emit setPlay();
    else if (message.topic()==mediaNextCommand) emit setNext();
    else if (message.topic()==mediaPrevCommand) emit setPrevious();
    else if (message.topic()==mediaVolumeCommand) {
        double volume = message.payload().toDouble()/100;
        emit setVolume(volume);
        }
    else if (message.topic()==mediaPlayIdCommand) {
     QDBusObjectPath _path;
     _path.setPath(message.payload());
     emit setPlayId(_path);
    }
    else if (message.topic()==mediaPlayPauseCommand) emit setPlayPause();
    else if (message.topic()==mediaRepeatCommand){
        if (message.payload()=="0") emit setLoop("None");
        else emit setLoop("Playlist");
    }
    else if (message.topic()==mediaMixCommand){
     if (message.payload()=="0") emit setShuffle(false);
     else emit setShuffle(true);
    }



}

void StreamRender::setUrl(const QString url){

    StreamPlay *streamplay= new StreamPlay;
    connect(this, SIGNAL(next()),streamplay, SLOT(setNext()));
    connect(this, SIGNAL(stop()),streamplay, SLOT(setStop()));

    connect(streamplay, SIGNAL(Finish()),this, SLOT(StreamFree()));



    streamplay->isFaderSolapar(FundirSolapar);
    streamplay->isFaderStop(FundirParar);
    streamplay->setFaderSec(Fundir);
    streamplay->setDevice(Device);
    streamplay->setUrl(url);

    stream = streamplay->stream;


     StreamMath *streammath = new StreamMath(stream);
     segundos = streammath->Duracion();
     Slider->setMaximum(segundos);
     delete streammath;
     Timer->start(Render);




}

 void initialize(int32_t valueNumber, Relationship *rel, StoreRelationship *storeRel)
    {
    _valueNumber = valueNumber;
    relationships.setFirst(rel);
    storeRelationships.setFirst(storeRel);
    setNext(NULL);
    }

void Simulation::onKeyDownEvent(SDL_Keysym key)
{
    switch (key.sym)
    {
        case SDLK_ESCAPE:
            setNext(MENU);
        break;

        case SDLK_RETURN:
            if (!gameRunning)
                setNext(RESULTS);
        break;

        default: break;
    }
}

size_t ReadsLayout::reverseComplement(size_t index) {
    
    if (getNext(index) != 0) {
        cout << "size_t ReadsLayout::reverseComplement(size_t index) problem\n";
        sendBugReportPlease(cerr);
    }

    unsigned int reversePos = getPosition(index) + 1;
    size_t pTmp;
    size_t previous;

    do {
        setDirection(index, !getDirection(index));
        setPosition(index, reversePos - getPosition(index));
        //swap links
        pTmp = getNext(index);
        setNext(index, getPrevious(index));
        setPrevious(index, pTmp);
        previous = index;
        index = getNext(index);

    } while (index != 0);

    return previous;
}

int sis_final_context(int context)
{
	int i;

	for(i=0; i<MAX_CONTEXT; i++)
	  if(global_ppriv[i].used && (global_ppriv[i].context == context))
	    break;
          
	if(i < MAX_CONTEXT){
	  set_t *set;
	  unsigned int item;
	  int retval;
	  
  	  DRM_DEBUG("find socket %d, context = %d\n", i, context);

	  /* Video Memory */
	  set = global_ppriv[i].sets[0];
	  retval = setFirst(set, &item);
	  while(retval){
   	    DRM_DEBUG("free video memory 0x%x\n", item);
            sis_free(item);
	    retval = setNext(set, &item);
	  }
	  setDestroy(set);

	  /* AGP Memory */
	  set = global_ppriv[i].sets[1];
	  retval = setFirst(set, &item);
	  while(retval){
   	    DRM_DEBUG("free agp memory 0x%x\n", item);
	    mmFreeMem((PMemBlock)item);
	    retval = setNext(set, &item);
	  }
	  setDestroy(set);
	  
	  global_ppriv[i].used = 0;	  
        }

	/* turn-off auto-flip */
	/* TODO */
#if defined(SIS_STEREO)
	flip_final();
#endif
	
	return 1;
}

void LevelManager::GameInToMainLayer()
{
	setNext(false);
	ResManager::getManager()->removeAllArmatureInfo();
	LoadingLayer* layer = new LoadingLayer(Intent_GameIn2Main);
	CCDirector::sharedDirector()->getRunningScene()->addChild(layer,1000);
	layer->release();
}

IOBooksInfo::IOBooksInfo() {
    setCardNumber("");
    setCode("");
    setODate("");
    setIDate("");
    setNext(NULL);
    setPrev(NULL);
}

QFAppScriptRunnable *QFAppScriptRunnable::then(QJSValue condition,QJSValue script)
{
    QFAppScriptRunnable* runnable = new QFAppScriptRunnable(this);
    runnable->setEngine(m_engine.data());
    runnable->setCondition(condition);
    runnable->setScript(script);
    setNext(runnable);
    return runnable;
}

SET
setUnion1(SET s1,SET s2)
{
    SET set;
    void *e;

    set = setNew(s1->cmp,s1->ed,s1->ord);

    if (!set)
	{ XLOG(set); return NULL; }

    for (e = setFirst(s1); e; e = setNext(s1))
	setAdd(set,e);	/* Blind copy of s1 */

    for (e = setFirst(s2); e; e = setNext(s2))
	setAdd(set,e);	/* Call setAdd() to weed out duplicates */

    return set;
}