static PyObject *
_get_fields (PyGIBaseInfo *self, GIInfoType info_type)
{
gssize n_infos;
PyObject *infos;
gssize i;
switch (info_type) {
case GI_INFO_TYPE_STRUCT:
n_infos = g_struct_info_get_n_fields ( (GIStructInfo *) self->info);
break;
case GI_INFO_TYPE_OBJECT:
n_infos = g_object_info_get_n_fields ( (GIObjectInfo *) self->info);
break;
default:
g_assert_not_reached();
}
infos = PyTuple_New (n_infos);
if (infos == NULL) {
return NULL;
}
for (i = 0; i < n_infos; i++) {
GIBaseInfo *info;
PyObject *py_info;
switch (info_type) {
case GI_INFO_TYPE_STRUCT:
info = (GIBaseInfo *) g_struct_info_get_field ( (GIStructInfo *) self->info, i);
break;
case GI_INFO_TYPE_OBJECT:
info = (GIBaseInfo *) g_object_info_get_field ( (GIObjectInfo *) self->info, i);
break;
default:
g_assert_not_reached();
}
g_assert (info != NULL);
py_info = _pygi_info_new (info);
g_base_info_unref (info);
if (py_info == NULL) {
Py_CLEAR (infos);
break;
}
PyTuple_SET_ITEM (infos, i, py_info);
}
return infos;
}
static GIFieldInfo *
find_field_info(GIObjectInfo *info,
gchar *name)
{
int i;
GIFieldInfo *field_info;
/* GParamSpecs aren't very big. We could optimize this so that it isn't
* O(N), but for the biggest GParamSpec, N=5, so it doesn't really matter. */
for (i = 0; i < g_object_info_get_n_fields((GIObjectInfo*)info); i++) {
field_info = g_object_info_get_field((GIObjectInfo*)info, i);
if (g_str_equal(name, g_base_info_get_name((GIBaseInfo*)field_info)))
return field_info;
g_base_info_unref((GIBaseInfo*)field_info);
}
return NULL;
}
JSBool
gjs_define_fundamental_class(JSContext *context,
JSObject *in_object,
GIObjectInfo *info,
JSObject **constructor_p,
JSObject **prototype_p)
{
const char *constructor_name;
JSObject *prototype;
jsval value;
jsid js_constructor_name = JSID_VOID;
JSObject *parent_proto;
Fundamental *priv;
JSObject *constructor;
GType parent_gtype;
GType gtype;
GIFunctionInfo *constructor_info;
/* See the comment in gjs_define_object_class() for an explanation
* of how this all works; Fundamental is pretty much the same as
* Object.
*/
constructor_name = g_base_info_get_name((GIBaseInfo *) info);
constructor_info = find_fundamental_constructor(context, info,
&js_constructor_name);
gtype = g_registered_type_info_get_g_type (info);
parent_gtype = g_type_parent(gtype);
parent_proto = NULL;
if (parent_gtype != G_TYPE_INVALID)
parent_proto = gjs_lookup_fundamental_prototype_from_gtype(context,
parent_gtype);
if (!gjs_init_class_dynamic(context, in_object,
/* parent prototype JSObject* for
* prototype; NULL for
* Object.prototype
*/
parent_proto,
g_base_info_get_namespace((GIBaseInfo *) info),
constructor_name,
&gjs_fundamental_instance_class,
gjs_fundamental_instance_constructor,
/* number of constructor args (less can be passed) */
constructor_info != NULL ? g_callable_info_get_n_args((GICallableInfo *) constructor_info) : 0,
/* props of prototype */
parent_proto ? NULL : &gjs_fundamental_instance_proto_props[0],
/* funcs of prototype */
parent_proto ? NULL : &gjs_fundamental_instance_proto_funcs[0],
/* props of constructor, MyConstructor.myprop */
NULL,
/* funcs of constructor, MyConstructor.myfunc() */
NULL,
&prototype,
&constructor)) {
gjs_log_exception(context);
g_error("Can't init class %s", constructor_name);
}
/* Put the info in the prototype */
priv = g_slice_new0(Fundamental);
g_assert(priv != NULL);
g_assert(priv->info == NULL);
priv->info = g_base_info_ref((GIBaseInfo *) info);
priv->gtype = gtype;
priv->constructor_name = js_constructor_name;
priv->constructor_info = constructor_info;
priv->ref_function = g_object_info_get_ref_function_pointer(info);
g_assert(priv->ref_function != NULL);
priv->unref_function = g_object_info_get_unref_function_pointer(info);
g_assert(priv->unref_function != NULL);
priv->set_value_function = g_object_info_get_set_value_function_pointer(info);
g_assert(priv->set_value_function != NULL);
priv->get_value_function = g_object_info_get_get_value_function_pointer(info);
g_assert(priv->get_value_function != NULL);
JS_SetPrivate(prototype, priv);
gjs_debug(GJS_DEBUG_GFUNDAMENTAL,
"Defined class %s prototype is %p class %p in object %p constructor %s.%s.%s",
constructor_name, prototype, JS_GetClass(prototype),
in_object,
constructor_info != NULL ? g_base_info_get_namespace(constructor_info) : "unknown",
constructor_info != NULL ? g_base_info_get_name(g_base_info_get_container(constructor_info)) : "unknown",
constructor_info != NULL ? g_base_info_get_name(constructor_info) : "unknown");
if (g_object_info_get_n_fields(priv->info) > 0) {
gjs_debug(GJS_DEBUG_GFUNDAMENTAL,
"Fundamental type '%s.%s' apparently has accessible fields. "
"Gjs has no support for this yet, ignoring these.",
g_base_info_get_namespace((GIBaseInfo *)priv->info),
g_base_info_get_name ((GIBaseInfo *)priv->info));
}
gjs_object_define_static_methods(context, constructor, gtype, info);
value = OBJECT_TO_JSVAL(gjs_gtype_create_gtype_wrapper(context, gtype));
JS_DefineProperty(context, constructor, "$gtype", value,
NULL, NULL, JSPROP_PERMANENT);
if (constructor_p)
*constructor_p = constructor;
if (prototype_p)
*prototype_p = prototype;
return JS_TRUE;
}
