#include "../config/pathan_config.h"
/*
 * Copyright (c) 2001, DecisionSoft Limited All rights reserved.
 * Please see LICENSE.TXT for more information.
 */

#include <pathan/internal/navigation/FollowingSiblingAxis.hpp>
#include <xercesc/dom/DOMNode.hpp>
#include <pathan/Node.hpp>

NavStepImpl::Axis FollowingSiblingAxis::getAxis() const {
  return NavStepImpl::FOLLOWING_SIBLING;
}

Sequence FollowingSiblingAxis::makeList(const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *node, const XMLCh* const uri, DynamicContext* context) const
{
  XPath2MemoryManager* memMgr=context->getMemoryManager();
  Sequence returnList(memMgr);
  
  //If the node is an attribute node, then return an empty list
  if(node->getNodeType() == XERCES_CPP_NAMESPACE_QUALIFIER DOMNode::ATTRIBUTE_NODE) {
    return returnList;
  }//if

  //Return all the siblings of the given node
  XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *currentNode = node->getNextSibling();
  while(currentNode != 0) {
    if(currentNode->getNodeType() == XERCES_CPP_NAMESPACE_QUALIFIER DOMNode::ENTITY_REFERENCE_NODE)
    {
      XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *child=currentNode->getFirstChild();
      if(child)
      {
        if(filterNode(child,uri,context))
          returnList.addItem(memMgr->createNode(child));
        returnList.joinSequence(makeList(child,uri,context));
      }
    }
    else
      if(filterNode(currentNode, uri, context))
        returnList.addItem(memMgr->createNode(currentNode));
    currentNode = currentNode->getNextSibling();
  }//while
 
  return returnList;
}//makeList