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

#include <pathan/internal/navigation/NamespaceAxis.hpp>
#include <pathan/Node.hpp>
#include <xercesc/util/XMLUni.hpp>
#include <xercesc/dom/DOMNode.hpp>
#include <map>
#include <pathan/internal/DOMutils/XMLChCompare.hpp>
#include <pathan/XPath2NSUtils.hpp>
#include "../dom-extensions/impl/XPathNamespaceImpl.hpp"

NavStepImpl::Axis NamespaceAxis::getAxis() const {
  return NavStepImpl::NAMESPACE;
}

Sequence NamespaceAxis::makeList(const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *node, const XMLCh* const uri, DynamicContext* context) const
{
  XPath2MemoryManager* memMgr=context->getMemoryManager();
  Sequence returnList = Sequence(memMgr);

  //If this isn't an element, then return nothing
  if(node->getNodeType() != XERCES_CPP_NAMESPACE_QUALIFIER DOMNode::ELEMENT_NODE) {
    return returnList;
  }

  namespaceMapType nsMap;
  //nsMap["xml"] = "http://www.w3.org/XML/1998/namespace";
  nsMap[XERCES_CPP_NAMESPACE_QUALIFIER XMLUni::fgXMLString] = XERCES_CPP_NAMESPACE_QUALIFIER XMLUni::fgXMLURIName;

  std::map<const XMLCh* , XERCES_CPP_NAMESPACE_QUALIFIER DOMNode*, XMLChSort> nodeMap;

  const XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *tmpNode = node;
  while(tmpNode != 0) {
    //For each element, go through the attributes, and add any namespace bindings..
    XPath2NSUtils::addBindings(tmpNode, &nsMap, memMgr);

    namespaceMapType::iterator i = nsMap.begin();
    namespaceMapType::iterator e = nsMap.end();

    for(;i != e; i++) {
      std::map<const XMLCh* , XERCES_CPP_NAMESPACE_QUALIFIER DOMNode*, XMLChSort>::iterator tmpIter = nodeMap.find(i->first);
      if(tmpIter == nodeMap.end()) {

        XERCES_CPP_NAMESPACE_QUALIFIER DOMXPathNamespace *newNSNode = XPathNamespaceImpl::createXPathNamespace(i->first,i->second, static_cast<XERCES_CPP_NAMESPACE_QUALIFIER  DOMElement *>(const_cast<XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *>(tmpNode)));
        nodeMap[i->first] = newNSNode;

        if(filterNode(newNSNode, uri, context))
          returnList.addItem(memMgr->createNode(newNSNode));
      }

    }
    tmpNode = tmpNode->getParentNode();
  }

  return returnList;
}