diff options
Diffstat (limited to 'qom/object_interfaces.c')
| -rw-r--r-- | qom/object_interfaces.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c index cb5809934a..46cd6eab5c 100644 --- a/qom/object_interfaces.c +++ b/qom/object_interfaces.c @@ -1,8 +1,11 @@ #include "qemu/osdep.h" + +#include "qemu/cutils.h" #include "qapi/error.h" #include "qapi/qmp/qdict.h" #include "qapi/qmp/qerror.h" #include "qom/object_interfaces.h" +#include "qemu/help_option.h" #include "qemu/module.h" #include "qemu/option.h" #include "qapi/opts-visitor.h" @@ -155,6 +158,64 @@ int user_creatable_add_opts_foreach(void *opaque, QemuOpts *opts, Error **errp) return 0; } +bool user_creatable_print_help(const char *type, QemuOpts *opts) +{ + ObjectClass *klass; + + if (is_help_option(type)) { + 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); + 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))) { + GString *str; + + if (!prop->set) { + continue; + } + + str = g_string_new(NULL); + g_string_append_printf(str, " %s=<%s>", prop->name, prop->type); + if (prop->description) { + if (str->len < 24) { + g_string_append_printf(str, "%*s", 24 - (int)str->len, ""); + } + g_string_append_printf(str, " - %s", prop->description); + } + g_ptr_array_add(array, g_string_free(str, false)); + } + 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; + } + + return false; +} void user_creatable_del(const char *id, Error **errp) { |