nodelist.cpp

upnpdom main part of upnp

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000 Intel Corporation
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// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
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// may be used to endorse or promote products derived from this software
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///////////////////////////////////////////////////////////////////////////

//	$Revision: 1.1.1.4 $
//	$Date: 2001/06/15 00:22:16 $
#include "../../inc/tools/config.h"
#if EXCLUDE_DOM == 0
#include "../../inc/upnpdom/NodeList.h"

Node& NodeList::item(unsigned long index)
{
	InternalList *n;
	Node *ReturnNode;
//	Node ReturnNode;
	if(index > getLength()-1)
	{
		ReturnNode = new Node;
		if(!ReturnNode)
		   	{DBGONLY(UpnpPrintf(UPNP_CRITICAL,DOM,__FILE__,__LINE__,"Insuffecient memory\n");)}
		ReturnNode->nact=NULL;
		ReturnNode->ownerNode=ReturnNode;
		return *ReturnNode;
	}
	n=head;
	for(unsigned int i=0; i<index && n!=NULL; ++i)
		n = n->next;
	ReturnNode = new Node;
	if(!ReturnNode)
	   	{DBGONLY(UpnpPrintf(UPNP_CRITICAL,DOM,__FILE__,__LINE__,"Insuffecient memory\n");)}
	ReturnNode->ownerNode=ReturnNode;
	ReturnNode->nact = n->ofWho;
	ReturnNode->nact->RefCount++;
    return *ReturnNode;
}



void NodeList::addToInternalList(NodeAct *add)
{
	InternalList *traverse, *p;
	InternalList *na = new InternalList;
	if(!na)
	   	{DBGONLY(UpnpPrintf(UPNP_CRITICAL,DOM,__FILE__,__LINE__,"Insuffecient memory\n");)}
	
	na->next=NULL;
	na->ofWho=add;

	if(head==NULL)
	{
		head=na;
		return;
	}
	traverse=head;
	p=traverse;
	while(traverse !=NULL)
	{
		p=traverse;
		traverse=traverse->next;
	}
	p->next=na;
}


unsigned long NodeList::getLength()
{
	InternalList *n;
	unsigned long length=0;

	n=head;
	for(length=0; n!=NULL; ++length, n=n->next);
	return length;
}

void NodeList::deleteNodeList()
{
	delete this->ownerNodeList;
	this->head=NULL;
}

NodeList::~NodeList()
{
	InternalList *del, *prev;
	del=head;
	prev=del;
	while(del!=NULL)
	{
		del=del->next;
		delete prev;
		prev=del;
	}
}

#endif