bool DOMNodeImpl::isDefaultNamespace(const XMLCh* namespaceURI) const{
DOMNode *thisNode = castToNode(this);
short type = thisNode->getNodeType();
switch (type) {
case DOMNode::ELEMENT_NODE: {
const XMLCh *prefix = thisNode->getPrefix();
// REVISIT: is it possible that prefix is empty string?
if (prefix == 0 || !*prefix) {
return XMLString::equals(namespaceURI, thisNode->getNamespaceURI());
}
if (thisNode->hasAttributes()) {
DOMElement *elem = (DOMElement *)thisNode;
DOMNode *attr = elem->getAttributeNodeNS(XMLUni::fgXMLNSURIName, XMLUni::fgXMLNSString);
if (attr != 0) {
const XMLCh *value = attr->getNodeValue();
return XMLString::equals(namespaceURI, value);
}
}
DOMNode *ancestor = getElementAncestor(thisNode);
if (ancestor != 0) {
return ancestor->isDefaultNamespace(namespaceURI);
}
return false;
}
case DOMNode::DOCUMENT_NODE:{
return ((DOMDocument*)thisNode)->getDocumentElement()->isDefaultNamespace(namespaceURI);
}
case DOMNode::ENTITY_NODE :
case DOMNode::NOTATION_NODE:
case DOMNode::DOCUMENT_FRAGMENT_NODE:
case DOMNode::DOCUMENT_TYPE_NODE:
// type is unknown
return false;
case DOMNode::ATTRIBUTE_NODE:{
if (fOwnerNode->getNodeType() == DOMNode::ELEMENT_NODE) {
return fOwnerNode->isDefaultNamespace(namespaceURI);
}
return false;
}
default:{
DOMNode *ancestor = getElementAncestor(thisNode);
if (ancestor != 0) {
return ancestor->isDefaultNamespace(namespaceURI);
}
return false;
}
}
}
