コード例 #1
0
// The DOM2 spec doesn't say that removeAttribute[NS] throws NOT_FOUND_ERR
// if the attribute is not found, but at this level we have to throw NOT_FOUND_ERR
// because of removeNamedItem, removeNamedItemNS, and removeAttributeNode.
Node NamedAttrMapImpl::removeNamedItem ( NodeImpl::Id id, int &exceptioncode )
{
    // ### should this really be raised when the attribute to remove isn't there at all?
    // NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly
    if (isReadOnly()) {
        exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR;
        return Node();
    }

    AttributeImpl* a = getAttributeItem(id);
    if (!a) {
        exceptioncode = DOMException::NOT_FOUND_ERR;
        return Node();
    }

    if (!a->attrImpl())  a->allocateImpl(element);
    Node r(a->attrImpl());

    if (id == ATTR_ID) {
	element->updateId(a->value(), nullAtom);
    }

    removeAttribute(id);
    return r;
}
コード例 #2
0
AttrImpl *NamedAttrMapImpl::getNamedItem ( NodeImpl::Id id ) const
{
    AttributeImpl* a = getAttributeItem(id);
    if (!a) return 0;

    if (!a->attrImpl())
        a->allocateImpl(element);

    return a->attrImpl();
}
コード例 #3
0
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;
}