HTMLElementStack::ElementRecord* HTMLElementStack::find(Element* element) const
{
for (ElementRecord* pos = m_top.get(); pos; pos = pos->next()) {
if (pos->node() == element)
return pos;
}
return nullptr;
}
HTMLElementStack::ElementRecord* HTMLElementStack::topmost(const AtomicString& tagName) const
{
for (ElementRecord* pos = m_top.get(); pos; pos = pos->next()) {
if (pos->node()->hasLocalName(tagName))
return pos;
}
return 0;
}
bool HTMLElementStack::inScope(Element* targetElement) const
{
for (ElementRecord* pos = m_top.get(); pos; pos = pos->next()) {
ContainerNode* node = pos->node();
if (node == targetElement)
return true;
if (isScopeMarker(node))
return false;
}
ASSERT_NOT_REACHED(); // <html> is always on the stack and is a scope marker.
return false;
}
bool HTMLElementStack::hasNumberedHeaderElementInScope() const
{
for (ElementRecord* record = m_top.get(); record; record = record->next()) {
ContainerNode* node = record->node();
if (isNumberedHeaderElement(node))
return true;
if (isScopeMarker(node))
return false;
}
ASSERT_NOT_REACHED(); // <html> is always on the stack and is a scope marker.
return false;
}
