/* Helper for utils_get_value, reads a pair. The pair is a struct with the two
* values and two fundamental values (type, value, type, value).
*/
static GConfValue *
utils_get_value_helper_pair (DBusMessageIter *iter)
{
GConfValue *value;
DBusMessageIter struct_iter;
gint32 car_type, cdr_type;
GConfValue *car_value = NULL, *cdr_value = NULL;
d(g_print ("Get value (pair)\n"));
value = gconf_value_new (GCONF_VALUE_PAIR);
/* Get the pair types. */
dbus_message_iter_recurse (iter, &struct_iter);
dbus_message_iter_get_basic (&struct_iter, &car_type);
dbus_message_iter_next (&struct_iter);
dbus_message_iter_get_basic (&struct_iter, &cdr_type);
/* Get the values. */
dbus_message_iter_next (&struct_iter);
if (car_type == GCONF_VALUE_SCHEMA)
car_value = utils_get_schema_value (&struct_iter);
else if (car_type != GCONF_VALUE_INVALID)
car_value = utils_get_value_helper_fundamental (&struct_iter, car_type);
dbus_message_iter_next (&struct_iter);
if (cdr_type == GCONF_VALUE_SCHEMA)
cdr_value = utils_get_schema_value (&struct_iter);
else if (cdr_type != GCONF_VALUE_INVALID)
cdr_value = utils_get_value_helper_fundamental (&struct_iter, cdr_type);
if (car_value)
gconf_value_set_car_nocopy (value, car_value);
if (cdr_value)
gconf_value_set_cdr_nocopy (value, cdr_value);
return value;
}
static GConfValue *
gconf_settings_backend_gvariant_to_gconf_value (GVariant *value)
{
const GVariantType *type;
GConfValue *gconf_value = NULL;
type = g_variant_get_type (value);
if (g_variant_type_is_basic (type) &&
!g_variant_type_equal (type, G_VARIANT_TYPE_BASIC))
gconf_value = gconf_settings_backend_simple_gvariant_to_gconf_value (value, type);
else if (g_variant_type_is_array (type))
{
const GVariantType *array_type;
array_type = g_variant_type_element (type);
if (g_variant_type_is_basic (array_type) &&
!g_variant_type_equal (array_type, G_VARIANT_TYPE_BASIC))
{
GConfValueType value_type;
int i;
GSList *list = NULL;
for (i = 0; i < g_variant_n_children (value); i++)
{
GConfValue *l;
l = gconf_settings_backend_simple_gvariant_to_gconf_value (g_variant_get_child_value (value, i),
array_type);
list = g_slist_prepend (list, l);
}
list = g_slist_reverse (list);
value_type = gconf_settings_backend_simple_gvariant_type_to_gconf_value_type (array_type);
gconf_value = gconf_value_new (GCONF_VALUE_LIST);
gconf_value_set_list_type (gconf_value, value_type);
gconf_value_set_list (gconf_value, list);
g_slist_foreach (list, (GFunc) gconf_value_free, NULL);
g_slist_free (list);
}
}
else if (g_variant_type_is_tuple (type) &&
g_variant_type_n_items (type) == 2)
{
const GVariantType *first_type;
const GVariantType *second_type;
first_type = g_variant_type_first (type);
second_type = g_variant_type_next (first_type);
if (g_variant_type_is_basic (first_type) &&
!g_variant_type_equal (first_type, G_VARIANT_TYPE_BASIC) &&
g_variant_type_is_basic (second_type) &&
!g_variant_type_equal (second_type, G_VARIANT_TYPE_BASIC))
{
GConfValue *car;
GConfValue *cdr;
gconf_value = gconf_value_new (GCONF_VALUE_PAIR);
car = gconf_settings_backend_simple_gvariant_to_gconf_value (g_variant_get_child_value (value, 0), first_type);
cdr = gconf_settings_backend_simple_gvariant_to_gconf_value (g_variant_get_child_value (value, 1), second_type);
if (car)
gconf_value_set_car_nocopy (gconf_value, car);
if (cdr)
gconf_value_set_cdr_nocopy (gconf_value, cdr);
if (car == NULL || cdr == NULL)
{
gconf_value_free (gconf_value);
gconf_value = NULL;
}
}
}
return gconf_value;
}
/* this actually works on any node,
not just <entry>, such as the <car>
and <cdr> nodes and the <li> nodes and the
<default> node
*/
static GConfValue*
node_extract_value(xmlNodePtr node, const gchar** locales, GError** err)
{
GConfValue* value = NULL;
gchar* type_str;
GConfValueType type = GCONF_VALUE_INVALID;
const gchar* default_locales[] = { "C", NULL };
if (locales == NULL)
locales = default_locales;
type_str = my_xmlGetProp(node, "type");
if (type_str == NULL)
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("No \"type\" attribute for <%s> node"),
(node->name ? (char*)node->name : "(nil)"));
return NULL;
}
type = gconf_value_type_from_string(type_str);
xmlFree(type_str);
switch (type)
{
case GCONF_VALUE_INVALID:
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("A node has unknown \"type\" attribute `%s', ignoring"), type_str);
return NULL;
}
break;
case GCONF_VALUE_INT:
case GCONF_VALUE_BOOL:
case GCONF_VALUE_FLOAT:
{
gchar* value_str;
value_str = my_xmlGetProp(node, "value");
if (value_str == NULL)
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("No \"value\" attribute for node"));
return NULL;
}
value = gconf_value_new_from_string(type, value_str, err);
xmlFree(value_str);
g_return_val_if_fail( (value != NULL) ||
(err == NULL) ||
(*err != NULL),
NULL );
return value;
}
break;
case GCONF_VALUE_STRING:
{
xmlNodePtr iter;
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE)
{
GConfValue* v = NULL;
if (strcmp((char *)iter->name, "stringvalue") == 0)
{
gchar* s;
s = (gchar *)xmlNodeGetContent(iter);
v = gconf_value_new(GCONF_VALUE_STRING);
/* strdup() caused purely by g_free()/free()
difference */
gconf_value_set_string(v, s ? s : "");
if (s)
xmlFree(s);
return v;
}
else
{
/* What the hell is this? */
gconf_log(GCL_WARNING,
_("Didn't understand XML node <%s> inside an XML list node"),
iter->name ? iter->name : (guchar*)"???");
}
}
iter = iter->next;
}
return NULL;
}
break;
case GCONF_VALUE_SCHEMA:
return schema_node_extract_value(node, locales);
break;
case GCONF_VALUE_LIST:
{
xmlNodePtr iter;
GSList* values = NULL;
GConfValueType list_type = GCONF_VALUE_INVALID;
{
gchar* s;
s = my_xmlGetProp(node, "ltype");
if (s != NULL)
{
list_type = gconf_value_type_from_string(s);
xmlFree(s);
}
}
switch (list_type)
{
case GCONF_VALUE_INVALID:
case GCONF_VALUE_LIST:
case GCONF_VALUE_PAIR:
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Invalid type (list, pair, or unknown) in a list node"));
return NULL;
default:
break;
}
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE)
{
GConfValue* v = NULL;
if (strcmp((char*)iter->name, "li") == 0)
{
v = node_extract_value(iter, locales, err);
if (v == NULL)
{
if (err && *err)
{
gconf_log(GCL_WARNING,
_("Bad XML node: %s"),
(*err)->message);
/* avoid pile-ups */
g_clear_error(err);
}
}
else if (v->type != list_type)
{
gconf_log(GCL_WARNING, _("List contains a badly-typed node (%s, should be %s)"),
gconf_value_type_to_string(v->type),
gconf_value_type_to_string(list_type));
gconf_value_free(v);
v = NULL;
}
}
else
{
/* What the hell is this? */
gconf_log(GCL_WARNING,
_("Didn't understand XML node <%s> inside an XML list node"),
iter->name ? iter->name : (guchar*)"???");
}
if (v != NULL)
values = g_slist_prepend(values, v);
}
iter = iter->next;
}
/* put them in order, set the value */
values = g_slist_reverse(values);
value = gconf_value_new(GCONF_VALUE_LIST);
gconf_value_set_list_type(value, list_type);
gconf_value_set_list_nocopy(value, values);
return value;
}
break;
case GCONF_VALUE_PAIR:
{
GConfValue* car = NULL;
GConfValue* cdr = NULL;
xmlNodePtr iter;
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE)
{
if (car == NULL && strcmp((char *)iter->name, "car") == 0)
{
car = node_extract_value(iter, locales, err);
if (car == NULL)
{
if (err && *err)
{
gconf_log(GCL_WARNING,
_("Ignoring bad car from XML pair: %s"),
(*err)->message);
/* prevent pile-ups */
g_clear_error(err);
}
}
else if (car->type == GCONF_VALUE_LIST ||
car->type == GCONF_VALUE_PAIR)
{
gconf_log(GCL_WARNING, _("parsing XML file: lists and pairs may not be placed inside a pair"));
gconf_value_free(car);
car = NULL;
}
}
else if (cdr == NULL && strcmp((char *)iter->name, "cdr") == 0)
{
cdr = node_extract_value(iter, locales, err);
if (cdr == NULL)
{
if (err && *err)
{
gconf_log(GCL_WARNING,
_("Ignoring bad cdr from XML pair: %s"),
(*err)->message);
/* avoid pile-ups */
g_clear_error(err);
}
}
else if (cdr->type == GCONF_VALUE_LIST ||
cdr->type == GCONF_VALUE_PAIR)
{
gconf_log(GCL_WARNING,
_("parsing XML file: lists and pairs may not be placed inside a pair"));
gconf_value_free(cdr);
cdr = NULL;
}
}
else
{
/* What the hell is this? */
gconf_log(GCL_WARNING,
_("Didn't understand XML node <%s> inside an XML pair node"),
iter->name ? (gchar*)iter->name : "???");
}
}
iter = iter->next;
}
/* Return the pair if we got both halves */
if (car && cdr)
{
value = gconf_value_new(GCONF_VALUE_PAIR);
gconf_value_set_car_nocopy(value, car);
gconf_value_set_cdr_nocopy(value, cdr);
return value;
}
else
{
gconf_log(GCL_WARNING, _("Didn't find car and cdr for XML pair node"));
if (car)
{
g_assert(cdr == NULL);
gconf_value_free(car);
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Missing cdr from pair of values in XML file"));
}
else if (cdr)
{
g_assert(car == NULL);
gconf_value_free(cdr);
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Missing car from pair of values in XML file"));
}
else
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Missing both car and cdr values from pair in XML file"));
}
return NULL;
}
}
break;
default:
g_assert_not_reached();
return NULL;
break;
}
}
