Node NamedAttrMapImpl::setNamedItem ( NodeImpl* arg, int &exceptioncode )
{
if (!element) {
exceptioncode = DOMException::NOT_FOUND_ERR;
return 0;
}
// NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
if (isReadOnly()) {
exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR;
return 0;
}
// WRONG_DOCUMENT_ERR: Raised if arg was created from a different document than the one that created this map.
if (arg->getDocument() != element->getDocument()) {
exceptioncode = DOMException::WRONG_DOCUMENT_ERR;
return 0;
}
// Not mentioned in spec: throw a HIERARCHY_REQUEST_ERROR if the user passes in a non-attribute node
if (!arg->isAttributeNode()) {
exceptioncode = DOMException::HIERARCHY_REQUEST_ERR;
return 0;
}
AttrImpl *attr = static_cast<AttrImpl*>(arg);
AttributeImpl* a = attr->attrImpl();
AttributeImpl* old = getAttributeItem(a->id());
if (old == a) return arg; // we know about it already
// INUSE_ATTRIBUTE_ERR: Raised if arg is an Attr that is already an attribute of another Element object.
// The DOM user must explicitly clone Attr nodes to re-use them in other elements.
if (attr->ownerElement()) {
exceptioncode = DOMException::INUSE_ATTRIBUTE_ERR;
return 0;
}
if (a->id() == ATTR_ID) {
element->updateId(old ? old->value() : nullAtom, a->value());
}
// ### slightly inefficient - resizes attribute array twice.
Node r;
if (old) {
if (!old->attrImpl())
old->allocateImpl(element);
r = old->_impl;
removeAttribute(a->id());
}
addAttribute(a);
return r;
}
Node NamedAttrMapImpl::setNamedItem(NodeImpl *arg, bool nsAware, DOMStringImpl *qName, int &exceptioncode)
{
if(!m_element)
{
exceptioncode = DOMException::NOT_FOUND_ERR;
return 0;
}
// NO_MODIFICATION_ALLOWED_ERR: Raised if this map is readonly.
if(isReadOnly())
{
exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR;
return 0;
}
// WRONG_DOCUMENT_ERR: Raised if arg was created from a different document than the one that created this map.
if(arg->getDocument() != m_element->getDocument())
{
exceptioncode = DOMException::WRONG_DOCUMENT_ERR;
return 0;
}
// HIERARCHY_REQUEST_ERR: Raised if an attempt is made to add a node doesn't belong in this NamedNodeMap
if(!arg->isAttributeNode())
{
exceptioncode = DOMException::HIERARCHY_REQUEST_ERR;
return 0;
}
AttrImpl *attr = static_cast< AttrImpl * >(arg);
// INUSE_ATTRIBUTE_ERR: Raised if arg is an Attr that is already an attribute of another Element object.
// The DOM user must explicitly clone Attr nodes to re-use them in other elements.
if(attr->ownerElement() && attr->ownerElement() != m_element)
{
exceptioncode = DOMException::INUSE_ATTRIBUTE_ERR;
return 0;
}
if(attr->ownerElement() == m_element)
{
// Already have this attribute.
// DOMTS core-1 test "hc_elementreplaceattributewithself" says we should return it.
return attr;
}
unsigned int mask = nsAware ? ~0L : NodeImpl_IdLocalMask;
NodeImpl::Id id = (attr->id() & mask);
for(unsigned long i = 0; i < m_attrCount; i++)
{
if((m_attrs[i].id() & mask) == id)
{
// if we are called with a qualified name, filter out NS-aware elements with non-matching name.
if(qName && (namespacePart(m_attrs[i].id()) != defaultNamespace) && strcasecmp(m_attrs[i].name(), DOMString(qName)))
continue;
// Attribute exists; replace it
if(id == ATTR_ID)
m_element->updateId(m_attrs[i].val(), attr->val());
Node replaced = m_attrs[i].createAttr(m_element, m_element->docPtr());
m_attrs[i].free();
m_attrs[i].m_attrId = 0; /* "has implementation" flag */
m_attrs[i].m_data.attr = attr;
m_attrs[i].m_data.attr->ref();
attr->setElement(m_element);
m_element->parseAttribute(&m_attrs[i]);
m_element->attributeChanged(m_attrs[i].id());
// ### dispatch mutation events
return replaced;
}
}
// No existing attribute; add to list
m_attrCount++;
m_attrs = (AttributeImpl *)realloc(m_attrs, m_attrCount * sizeof(AttributeImpl));
m_attrs[m_attrCount - 1].m_attrId = 0; /* "has implementation" flag */
m_attrs[m_attrCount - 1].m_data.attr = attr;
m_attrs[m_attrCount - 1].m_data.attr->ref();
attr->setElement(m_element);
if(id == ATTR_ID)
m_element->updateId(0, attr->val());
m_element->parseAttribute(&m_attrs[m_attrCount - 1]);
m_element->attributeChanged(m_attrs[m_attrCount - 1].id());
// ### dispatch mutation events
return 0;
}