C++ AddNode函数代码示例

	DataNode& DataNode::operator[](const WString& nodePath)
	{
		if (auto node = GetNode(nodePath))
			return *node;

		return *AddNode(nodePath);
	}

void dgBroadPhaseDefault::LinkAggregate(dgBroadPhaseAggregate* const aggregate)
{
	AddNode(aggregate);
	aggregate->m_broadPhase = this;
	aggregate->m_updateNode = m_updateList.Append(aggregate);
	aggregate->m_myAggregateNode = m_aggregateList.Append(aggregate);
}

//添加元素，即节点
BOOL AddItem(const Item * pi,Tree * ptree)
{
	Node * new_node;//新节点
	
	if(TreeIsFull(ptree))//判断树是否已满
	{
		fprintf(stderr,"Tree is full.\n");
		return FALSE;
	}
	if(SeekItem(pi,ptree).child != NULL)//在树中查找目标项目
	{
		fprintf(stderr,"Attempted to add duplicate item\n");
		return FALSE;
	}
	new_node = MakeNode(pi);//创建新节点，成功返回新节点，否则返回NULL
	if(new_node == NULL)//创建失败，返回false
	{
		fprintf(stderr,"Couldn't create node!\n");
		return FALSE;
	}
	//节点创建成功,向树中添加节点
	ptree->size++;//树的大小加1
	if(ptree->root == NULL)//如果树为空
	{
		ptree->root = new_node;
	}
	else
	{
		AddNode(new_node,ptree->root);//找到新节点应该添加到的位置
	}
	return TRUE;
}

/*-----------------------------------------------------------------------------
 *  ReadTransforms
 *  Read a set of transforms from a string and transfer it into a file
 *-----------------------------------------------------------------------------*/
void ReadTransforms(char* buf, TransformList *list)
{
    char type = ' ';
    char axis = ' ';
    int value = 0;
    char* p = buf;

    /* Read the buffer */
    while(p != NULL)
    {
        /* Read the contents of the buffer */
        sscanf(p, "%c%c %d", &type, &axis, &value);

        /* Define a new Transform */
        Transform* t;
        if((t = malloc(sizeof(Transform))) == NULL)
        {
            perror("2D"); exit(EXIT_FAILURE);
        }
        t->type = type;
        t->axis = axis;
        t->value = value;

        /* Add it to the list */
        AddNode(list, t);

        /* Scan for the next item */
        p = strstr(p, ",");
        if(p != NULL)
            p += 1;
    }
}

void CZQCustomClient::SendBuffer(pBlock block)
{
	AddNode(block);
	if (!m_IsSending)
		ReadySendNextData(&m_SendData, 0);

}

int CLocalNav::FindDirectPath(Vector &vecStepStart, Vector &vecDest, float flTargetRadius, BOOL fNoMonsters)
{
	Vector vecActualDest;
	Vector vecPathDir;
	Vector vecNodeLoc;
	int nindexLast;

	vecPathDir = (vecDest - vecStepStart).Normalize();
	vecActualDest = vecDest - (vecPathDir * flTargetRadius);

	if (PathTraversable(vecStepStart, vecActualDest, fNoMonsters) == TRAVERSABLE_NO)
		return -1;

	nindexLast = -1;
	vecNodeLoc = vecStepStart;
	m_nindexAvailableNode = 0;

	while ((vecNodeLoc - vecActualDest).Length2D() >= HOSTAGE_STEPSIZE)
	{
		vecNodeLoc = vecNodeLoc + (vecPathDir * HOSTAGE_STEPSIZE);
		nindexLast = AddNode(nindexLast, vecNodeLoc, 0, 0, 0);

		if (nindexLast == -1)
			break;
	}

	return nindexLast;
}

void List::InsertAfter(void* iterPtr, void* objectPtr)
{
	Node* node = new Node();
	node->m_Ptr = objectPtr;

	AddNode(node, (Node*)iterPtr, ((Node*)iterPtr)->m_NextNode);
}

void IntersectionNodesInAirport::AddNodes( const std::vector<IntersectionNode> newNodes )
{
	for(int i=0;i <(int)newNodes.size();i++)
	{
		AddNode(newNodes[i]);
	}
}

CNeighbour* CNeighboursConnections::OnAccept(CNetworkConnection* pConn)
{
	// TODO: Make new CNeighbour deriviate for handshaking with Gnutella clients

	systemLog.postLog(LogSeverity::Debug, "CNeighbours::OnAccept");
	//qDebug() << "CNeighbours::OnAccept";

	if(!m_bActive)
	{
		pConn->Close();
		return 0;
	}

	if(!m_pSection.tryLock(50))
	{
		systemLog.postLog(LogSeverity::Debug, "Not accepting incoming connection. Neighbours overloaded");
		pConn->Close();
		return 0;
	}

	CG2Node* pNew = new CG2Node();
	pNew->AttachTo(pConn);
	AddNode(pNew);
	pNew->moveToThread(&NetworkThread);

	m_pSection.unlock();

	return pNew;
}

int main()
{
	char ch[10],num[5];
	LinkList head;
	head=CreatList();
	printlist(head);
	printf(" Delete node (y/n):");
	scanf("%s",num);
	if(strcmp(num,"y")==0||strcmp(num,"Y")==0) 
	{
		printf("Please input Delete_data:");
		scanf("%s",ch);
		DeleteList(head,ch);
		printlist(head);
	}
	printf("Add node ? (y/n): ");
	scanf("%s",ch);
	if(strcmp(ch,"y")==0||strcmp(ch,"Y")==0)
	{
		head=AddNode(head);
	}
	printlist(head);
	system("pause");
	DeleteAll(head);
}

dSceneGraph::dSceneGraph(const dSceneGraph& me)
	:dTree<dGraphNode, unsigned>(), m_lru (0)
{
	// add all nodes from me,  
	Iterator iter (me);
	for (iter.Begin(); iter; iter ++) {
		dGraphNode& srcNode = iter.GetNode()->GetInfo();
		AddNode (srcNode.m_nodeInfo, NULL);
	}

	//now connect all edges
	for (iter.Begin(); iter; iter ++) {
		dGraphNode& srcNode = iter.GetNode()->GetInfo();
		dGraphNode& myNode = Find(srcNode.m_nodeInfo->GetUniqueID())->GetInfo();

		for (dGraphNode::dLink::dListNode* srcEdge = srcNode.m_children.GetFirst(); srcEdge; srcEdge = srcEdge->GetNext()) {
			dGraphNode& srcLinkNode = srcEdge->GetInfo()->GetInfo();
			dTreeNode* myLinkNode = Find(srcLinkNode.m_nodeInfo->GetUniqueID());
			//myNode.m_children.Append(srcEdge->GetInfo());
			myNode.m_children.Append(myLinkNode);
		}

		for (dGraphNode::dLink::dListNode* srcEdge = srcNode.m_parents.GetFirst(); srcEdge; srcEdge = srcEdge->GetNext()) {
			dGraphNode& srcLinkNode = srcEdge->GetInfo()->GetInfo();
			dTreeNode* myLinkNode = Find(srcLinkNode.m_nodeInfo->GetUniqueID());
			//myNode.m_parents.Append(srcEdge->GetInfo());
			myNode.m_parents.Append(myLinkNode);
		}
	}

	m_rootNode = Find(me.GetRootNode()->GetInfo().GetNode()->GetUniqueID());
}

int InitTireTree(trie_tree_t* pttt, const char* str_table[], int size)
{
	if (!pttt)
	{
		return -1;
	}
	trie_node_t* root = &pttt->root;
	memset(root->childs, 0, sizeof(root->childs));

	int i;
	for (i = 0; i < size; ++i)
	{
		trie_node_t* pn = root;
		const char *one = str_table[i];
		int len = strlen(one);
		int j;
		for (j = 0; j < len; ++j)
		{
			int ch = char_map(one[j]);
			if (!pn->childs[ch])
			{
				(void)AddNode(pn, ch);
			}
			pn = pn->childs[ch];
		}
		pn->end = 1;
	}

	return 0;
}

void CTreeBuilder::ReadConfig()
{
	int depth = 0;
	CTreeNode* pParentNode = NULL;
	CTreeNode* pCurrentNode = NULL;
	CTreeNode* pSiblings = NULL;
	string xmlLine;
	ifstream infile;
	infile.open (m_sFileName.c_str(), ifstream::in);
	while(infile.good())
	{
		string test; 
		getline(infile,xmlLine); 
		if ( !xmlLine.empty())
		{
			NodeDetails nodeDetails; 
			string nodeName = "", nodeText = "";
			ValidateTag(xmlLine, nodeDetails);

			pCurrentNode = AddNode(pCurrentNode, nodeDetails); 


		}
	}
	infile.close();
}

void MGADSMTrajectory::AddNodes(const std::vector<TrajectoryNodePtr>& nodes)
{
   for (std::size_t i = 0; i < nodes.size(); ++i)
   {
      AddNode(nodes[i]);
   }
}

 DepCompAstRefDAG(const DepCompAstRefAnal& stmtorder, const DepCompAstRefGraphCreate* g) 
  {
     DoublyLinkedListWrap <DepCompAstRefGraphNode*> nodelist;
     DepCompAstRefGraphCreate::NodeIterator nodes = g->GetNodeIterator();
     for ( ; !nodes.ReachEnd(); nodes.Advance()) {
          DepCompAstRefGraphNode* n = nodes.Current();
          AddNode(n);
          nodelist.AppendLast(n);
     }
     if (nodelist.size() <= 1)
         return;
     for (nodes.Reset(); !nodes.ReachEnd(); nodes.Advance()) {
        DepCompAstRefGraphNode* n = *nodes;
        DepCompAstRef& info = n->GetInfo();
        for (DepInfoEdgeIterator edges = g->GetNodeEdgeIterator(n, GraphAccess::EdgeOut);
              !edges.ReachEnd(); ++edges) {
            DepInfoEdge* e = *edges;
            DepCompAstRefGraphNode* n1 = g->GetEdgeEndPoint(e, GraphAccess::EdgeIn);
            DepCompAstRef& info1 = n1->GetInfo();
            int c = stmtorder.CompareAstRef(info,info1);
            if (c < 0) {
                  AddEdge(n, n1, e);
            }
            else if (c > 0) {
                 AddEdge(n1,n,e);
            }
        }
     }   
     if (DebugRefFuse()) {
        std::cerr << GraphToString(*this) << std::endl;
     }
  }