void destroy_tree(node *root)
{
node *n, *p;
uint32_t i;
for (n = root->children; n != NULL; n = p) {
p = n->next;
destroy_tree(n);
}
for (i = 0; i < root->n_attrs; ++i) {
lwc_string_unref(root->attrs[i].name);
lwc_string_unref(root->attrs[i].value);
}
free(root->attrs);
if (root->classes != NULL) {
for (i = 0; i < root->n_classes; ++i) {
lwc_string_unref(root->classes[i]);
}
free(root->classes);
}
if (root->libcss_node_data != NULL) {
css_libcss_node_data_handler(&select_handler, CSS_NODE_DELETED,
NULL, root, NULL, root->libcss_node_data);
}
lwc_string_unref(root->name);
free(root);
}
/* 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);
}
}
static css_error set_libcss_node_data(void *pw, void *n,
void *libcss_node_data)
{
UNUSED(pw);
UNUSED(n);
/* Since we're not storing it, ensure node data gets deleted */
css_libcss_node_data_handler(&select_handler, CSS_NODE_DELETED,
pw, n, NULL, libcss_node_data);
return CSS_OK;
}
