static inline ExceptionCode checkAcceptChild(ContainerNode* newParent, Node* newChild, Node* oldChild)
{
// Not mentioned in spec: throw NOT_FOUND_ERR if newChild is null
if (!newChild)
return NOT_FOUND_ERR;
// Use common case fast path if possible.
if ((newChild->isElementNode() || newChild->isTextNode()) && newParent->isElementNode()) {
ASSERT(!newParent->isReadOnlyNode());
ASSERT(!newParent->isDocumentTypeNode());
ASSERT(isChildTypeAllowed(newParent, newChild));
if (containsConsideringHostElements(newChild, newParent))
return HIERARCHY_REQUEST_ERR;
return 0;
}
// This should never happen, but also protect release builds from tree corruption.
ASSERT(!newChild->isPseudoElement());
if (newChild->isPseudoElement())
return HIERARCHY_REQUEST_ERR;
if (newParent->isReadOnlyNode())
return NO_MODIFICATION_ALLOWED_ERR;
if (containsConsideringHostElements(newChild, newParent))
return HIERARCHY_REQUEST_ERR;
if (oldChild && newParent->isDocumentNode()) {
if (!toDocument(newParent)->canReplaceChild(newChild, oldChild))
return HIERARCHY_REQUEST_ERR;
} else if (!isChildTypeAllowed(newParent, newChild))
return HIERARCHY_REQUEST_ERR;
return 0;
}
static inline bool checkAcceptChildGuaranteedNodeTypes(ContainerNode* newParent, Node* newChild, ExceptionCode& ec)
{
ASSERT(!newParent->isReadOnlyNode());
ASSERT(!newParent->isDocumentTypeNode());
ASSERT(isChildTypeAllowed(newParent, newChild));
if (newChild->contains(newParent)) {
ec = HIERARCHY_REQUEST_ERR;
return false;
}
return true;
}
void DivNode::insertChild(NodePtr pChild, unsigned i)
{
if (!pChild) {
throw Exception(AVG_ERR_NO_NODE,
getID()+"::insertChild called without a node.");
}
if (pChild->getState() == NS_CONNECTED || pChild->getState() == NS_CANRENDER) {
throw(Exception(AVG_ERR_ALREADY_CONNECTED,
"Can't connect node with id "+pChild->getID()+
": already connected."));
}
if (getState() == NS_CONNECTED || getState() == NS_CANRENDER) {
getCanvas()->registerNode(pChild);
}
DivNodePtr ptr = dynamic_pointer_cast<DivNode>(shared_from_this());
pChild->checkSetParentError(ptr);
if (!isChildTypeAllowed(pChild->getTypeStr())) {
throw(Exception(AVG_ERR_ALREADY_CONNECTED,
"Can't insert a node of type "+pChild->getTypeStr()+
" into a node of type "+getTypeStr()+"."));
}
if (i > m_Children.size()) {
throw(Exception(AVG_ERR_OUT_OF_RANGE,
pChild->getID()+"::insertChild: index out of bounds."));
}
std::vector<NodePtr>::iterator pos = m_Children.begin()+i;
m_Children.insert(pos, pChild);
try {
pChild->setParent(ptr, getState(), getCanvas());
} catch (Exception&) {
m_Children.erase(m_Children.begin()+i);
throw;
}
if (getState() == NS_CANRENDER) {
pChild->connectDisplay();
}
}
