#include "config.h"
#include "XPathUtil.h"
#if ENABLE(XPATH)
#include "ContainerNode.h"
namespace WebCore {
namespace XPath {
bool isRootDomNode(Node* node)
{
return node && !node->parentNode();
}
String stringValue(Node* node)
{
switch (node->nodeType()) {
case Node::ATTRIBUTE_NODE:
case Node::PROCESSING_INSTRUCTION_NODE:
case Node::COMMENT_NODE:
case Node::TEXT_NODE:
case Node::CDATA_SECTION_NODE:
case Node::XPATH_NAMESPACE_NODE:
return node->nodeValue();
default:
if (isRootDomNode(node) || node->nodeType() == Node::ELEMENT_NODE) {
String str;
for (Node* n = node->firstChild(); n; n = n->traverseNextNode(node))
if (n->isTextNode())
str += n->nodeValue();
return str;
}
}
return String();
}
bool isValidContextNode(Node* node)
{
if (!node)
return false;
switch (node->nodeType()) {
case Node::ATTRIBUTE_NODE:
case Node::CDATA_SECTION_NODE:
case Node::COMMENT_NODE:
case Node::DOCUMENT_NODE:
case Node::ELEMENT_NODE:
case Node::PROCESSING_INSTRUCTION_NODE:
case Node::XPATH_NAMESPACE_NODE:
return true;
case Node::DOCUMENT_FRAGMENT_NODE:
case Node::DOCUMENT_TYPE_NODE:
case Node::ENTITY_NODE:
case Node::ENTITY_REFERENCE_NODE:
case Node::NOTATION_NODE:
return false;
case Node::TEXT_NODE:
return !(node->parentNode() && node->parentNode()->isAttributeNode());
}
ASSERT_NOT_REACHED();
return false;
}
}
}
#endif // ENABLE(XPATH)