/**
* Get the node in the collection according name
*
* \param col The collection
* \param name The name of target node
* \param node The returned node object
* \return DOM_NO_ERR on success.
*/
dom_exception dom_html_collection_named_item(dom_html_collection *col,
dom_string *name, struct dom_node **node)
{
struct dom_node_internal *n = col->root;
dom_exception err;
while (n != NULL) {
if (n->type == DOM_ELEMENT_NODE &&
col->ic(n, col->ctx) == true) {
dom_string *id = NULL;
err = _dom_element_get_id((struct dom_element *) n,
&id);
if (err != DOM_NO_ERR) {
return err;
}
if (id != NULL && dom_string_isequal(name, id)) {
*node = (struct dom_node *) n;
dom_node_ref(n);
dom_string_unref(id);
return DOM_NO_ERR;
}
if (id != NULL)
dom_string_unref(id);
}
/* Depth first iterating */
if (n->first_child != NULL) {
n = n->first_child;
} else if (n->next != NULL) {
n = n->next;
} else {
/* No children and siblings */
struct dom_node_internal *parent = n->parent;
while (parent != col->root &&
n == parent->last_child) {
n = parent;
parent = parent->parent;
}
if (parent == col->root)
n = NULL;
else
n = n->next;
}
}
/* Not found the target node */
*node = NULL;
return DOM_NO_ERR;
}
/* Handler for libcss_node_data, stored as libdom node user data */
static void nscss_dom_user_data_handler(dom_node_operation operation,
dom_string *key, void *data, struct dom_node *src,
struct dom_node *dst)
{
css_error error;
if (dom_string_isequal(corestring_dom___ns_key_libcss_node_data,
key) == false || data == NULL) {
return;
}
switch (operation) {
case DOM_NODE_CLONED:
error = css_libcss_node_data_handler(&selection_handler,
CSS_NODE_CLONED,
NULL, src, dst, data);
if (error != CSS_OK)
NSLOG(netsurf, INFO,
"Failed to clone libcss_node_data.");
break;
case DOM_NODE_RENAMED:
error = css_libcss_node_data_handler(&selection_handler,
CSS_NODE_MODIFIED,
NULL, src, NULL, data);
if (error != CSS_OK)
NSLOG(netsurf, INFO,
"Failed to update libcss_node_data.");
break;
case DOM_NODE_IMPORTED:
case DOM_NODE_ADOPTED:
case DOM_NODE_DELETED:
error = css_libcss_node_data_handler(&selection_handler,
CSS_NODE_DELETED,
NULL, src, NULL, data);
if (error != CSS_OK)
NSLOG(netsurf, INFO,
"Failed to delete libcss_node_data.");
break;
default:
NSLOG(netsurf, INFO, "User data operation not handled.");
assert(0);
}
}
/**
* Helper for file gadgets to store their filename.
*
* Stores the filename unencoded on the dom node associated with the
* gadget.
*
* \todo Get rid of this crap eventually
*
* \param operation DOM operation
* \param key DOM node key being considerd
* \param _data The data assocated with the key
* \param src The source DOM node.
* \param dst The destination DOM node.
*/
static void
html__image_coords_dom_user_data_handler(dom_node_operation operation,
dom_string *key,
void *_data,
struct dom_node *src,
struct dom_node *dst)
{
struct image_input_coords *oldcoords, *coords = _data, *newcoords;
if (!dom_string_isequal(corestring_dom___ns_key_image_coords_node_data,
key) || coords == NULL) {
return;
}
switch (operation) {
case DOM_NODE_CLONED:
newcoords = calloc(1, sizeof(*newcoords));
if (newcoords != NULL) {
*newcoords = *coords;
if (dom_node_set_user_data(dst,
corestring_dom___ns_key_image_coords_node_data,
newcoords,
html__image_coords_dom_user_data_handler,
&oldcoords) == DOM_NO_ERR) {
free(oldcoords);
}
}
break;
case DOM_NODE_DELETED:
free(coords);
break;
case DOM_NODE_RENAMED:
case DOM_NODE_IMPORTED:
case DOM_NODE_ADOPTED:
break;
default:
LOG("User data operation not handled.");
assert(0);
}
}
