/**
* gras_datadesc_cb_send:
*
- * Add a pre-send callback to this datadexc.
+ * Add a pre-send callback to this datadesc.
* (useful to push the sizes of the upcoming arrays, for example)
*/
void gras_datadesc_cb_send (gras_datadesc_type_t *type,
gras_datadesc_type_cb_void_t recv) {
type->recv = recv;
}
+/**
+ * gras_dd_find_field:
+ *
+ * Returns the type descriptor of the given field. Abort on error.
+ */
+static gras_datadesc_type_t *
+ gras_dd_find_field(gras_datadesc_type_t *type,
+ const char *field_name) {
+ gras_datadesc_type_t *sub_type=NULL;
+ gras_dynar_t *field_array;
+
+ gras_dd_cat_field_t *field=NULL;
+ int field_num;
+
+ if (type->category_code == e_gras_datadesc_type_cat_union) {
+ field_array = type->category.union_data.fields;
+ } else if (type->category_code == e_gras_datadesc_type_cat_struct) {
+ field_array = type->category.struct_data.fields;
+ } else {
+ ERROR2("%s (%p) is not a struct nor an union. There is no field.", type->name,type);
+ gras_abort();
+ }
+ gras_dynar_foreach(field_array,field_num,field) {
+ if (!strcmp(field_name,field->name)) {
+ return field->type;
+ }
+ }
+ ERROR2("No field nammed %s in %s",field_name,type->name);
+ gras_abort();
+
+}
+
+/**
+ * gras_datadesc_cb_field_send:
+ *
+ * Add a pre-send callback to the given field of the datadesc (which must be a struct or union).
+ * (useful to push the sizes of the upcoming arrays, for example)
+ */
+void gras_datadesc_cb_field_send (gras_datadesc_type_t *type,
+ const char *field_name,
+ gras_datadesc_type_cb_void_t send) {
+
+ gras_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name);
+ sub_type->send = send;
+}
+
+/**
+ * gras_datadesc_cb_field_push:
+ *
+ * Add a pre-send callback to the given field resulting in its value to be pushed to
+ * the stack of sizes. It must be a int, unsigned int, long int or unsigned long int.
+ */
+void gras_datadesc_cb_field_push (gras_datadesc_type_t *type,
+ const char *field_name) {
+
+ gras_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name);
+ if (!strcmp("int",sub_type->name)) {
+ sub_type->send = gras_datadesc_cb_push_int;
+ } else if (!strcmp("unsigned int",sub_type->name)) {
+ sub_type->send = gras_datadesc_cb_push_uint;
+ } else if (!strcmp("long int",sub_type->name)) {
+ sub_type->send = gras_datadesc_cb_push_lint;
+ } else if (!strcmp("unsigned long int",sub_type->name)) {
+ sub_type->send = gras_datadesc_cb_push_ulint;
+ } else {
+ ERROR1("Field %s is not an int, unsigned int, long int neither unsigned long int",
+ sub_type->name);
+ gras_abort();
+ }
+}
+/**
+ * gras_datadesc_cb_field_recv:
+ *
+ * Add a post-receive callback to the given field of the datadesc (which must be a struct or union).
+ * (useful to put the function pointers to the right value, for example)
+ */
+void gras_datadesc_cb_field_recv(gras_datadesc_type_t *type,
+ const char *field_name,
+ gras_datadesc_type_cb_void_t recv) {
+
+ gras_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name);
+ sub_type->recv = recv;
+}
/**
- * gras_datadesc_unref:
+ * gras_datadesc_free:
*
- * Removes a reference to the datastruct.
- * ddt will be freed only when the refcount becomes 0.
+ * Free a datadesc. Should only be called at gras_exit.
*/
void gras_datadesc_free(gras_datadesc_type_t *type) {
