qom: Factor out helpers from user_creatable_print_help()

This creates separate helper functions for printing a list of user
creatable object types and for printing a list of properties of a given
type. This will allow using these parts without having a QemuOpts.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201007164903.282198-3-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2020-10-07 18:49:01 +02:00
parent 8bf12c4f75
commit 0e301d4427

View File

@ -214,52 +214,66 @@ char *object_property_help(const char *name, const char *type,
return g_string_free(str, false);
}
bool user_creatable_print_help(const char *type, QemuOpts *opts)
static void user_creatable_print_types(void)
{
GSList *l, *list;
printf("List of user creatable objects:\n");
list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
for (l = list; l != NULL; l = l->next) {
ObjectClass *oc = OBJECT_CLASS(l->data);
printf(" %s\n", object_class_get_name(oc));
}
g_slist_free(list);
}
static bool user_creatable_print_type_properites(const char *type)
{
ObjectClass *klass;
ObjectPropertyIterator iter;
ObjectProperty *prop;
GPtrArray *array;
int i;
if (is_help_option(type)) {
GSList *l, *list;
klass = object_class_by_name(type);
if (!klass) {
return false;
}
printf("List of user creatable objects:\n");
list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false);
for (l = list; l != NULL; l = l->next) {
ObjectClass *oc = OBJECT_CLASS(l->data);
printf(" %s\n", object_class_get_name(oc));
array = g_ptr_array_new();
object_class_property_iter_init(&iter, klass);
while ((prop = object_property_iter_next(&iter))) {
if (!prop->set) {
continue;
}
g_slist_free(list);
g_ptr_array_add(array,
object_property_help(prop->name, prop->type,
prop->defval, prop->description));
}
g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
if (array->len > 0) {
printf("%s options:\n", type);
} else {
printf("There are no options for %s.\n", type);
}
for (i = 0; i < array->len; i++) {
printf("%s\n", (char *)array->pdata[i]);
}
g_ptr_array_set_free_func(array, g_free);
g_ptr_array_free(array, true);
return true;
}
bool user_creatable_print_help(const char *type, QemuOpts *opts)
{
if (is_help_option(type)) {
user_creatable_print_types();
return true;
}
klass = object_class_by_name(type);
if (klass && qemu_opt_has_help_opt(opts)) {
ObjectPropertyIterator iter;
ObjectProperty *prop;
GPtrArray *array = g_ptr_array_new();
int i;
object_class_property_iter_init(&iter, klass);
while ((prop = object_property_iter_next(&iter))) {
if (!prop->set) {
continue;
}
g_ptr_array_add(array,
object_property_help(prop->name, prop->type,
prop->defval, prop->description));
}
g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0);
if (array->len > 0) {
printf("%s options:\n", type);
} else {
printf("There are no options for %s.\n", type);
}
for (i = 0; i < array->len; i++) {
printf("%s\n", (char *)array->pdata[i]);
}
g_ptr_array_set_free_func(array, g_free);
g_ptr_array_free(array, true);
return true;
if (qemu_opt_has_help_opt(opts)) {
return user_creatable_print_type_properites(type);
}
return false;