/* documented in html_internal.h */
struct form *html_forms_get_forms(const char *docenc, dom_html_document *doc)
{
dom_html_collection *forms;
struct form *ret = NULL, *newf;
dom_node *node;
unsigned long n;
uint32_t nforms;
if (doc == NULL)
return NULL;
/* Attempt to build a set of all the forms */
if (dom_html_document_get_forms(doc, &forms) != DOM_NO_ERR)
return NULL;
/* Count the number of forms so we can iterate */
if (dom_html_collection_get_length(forms, &nforms) != DOM_NO_ERR)
goto out;
/* Iterate the forms collection, making form structs for returning */
for (n = 0; n < nforms; ++n) {
if (dom_html_collection_item(forms, n, &node) != DOM_NO_ERR) {
goto out;
}
newf = parse_form_element(docenc, node);
dom_node_unref(node);
if (newf == NULL) {
goto err;
}
newf->prev = ret;
ret = newf;
}
/* All went well */
goto out;
err:
while (ret != NULL) {
struct form *prev = ret->prev;
/* Destroy ret */
free(ret);
ret = prev;
}
out:
/* Finished with the collection, return it */
dom_html_collection_unref(forms);
return ret;
}
/**
* Get the node with certain index
*
* \param col The dom_html_options_collection object
* \param index The index number based on zero
* \param node The returned node object
* \return DOM_NO_ERR on success.
*/
dom_exception dom_html_options_collection_item(dom_html_options_collection *col,
unsigned long index, struct dom_node **node)
{
return dom_html_collection_item(&col->base, index, node);
}
