pub fn dbus_gvalue_to_gvariant(gvalue: &Value, type_: &VariantTy) -> Variant
Expand description
Converts a #GValue to a #GVariant of the type indicated by the @type_ parameter.
The conversion is using the following rules:
G_TYPE_STRING
: ‘s’, ‘o’, ‘g’ or ‘ay’G_TYPE_STRV
: ‘as’, ‘ao’ or ‘aay’G_TYPE_BOOLEAN
: ‘b’G_TYPE_UCHAR
: ‘y’G_TYPE_INT
: ‘i’, ‘n’G_TYPE_UINT
: ‘u’, ‘q’G_TYPE_INT64
: ‘x’G_TYPE_UINT64
: ‘t’G_TYPE_DOUBLE
: ‘d’G_TYPE_VARIANT
: Any #GVariantType
This can fail if e.g. @gvalue is of type G_TYPE_STRING
and @type_
is ‘i’, i.e. G_VARIANT_TYPE_INT32
. It will also fail for any #GType
(including e.g. G_TYPE_OBJECT
and G_TYPE_BOXED
derived-types) not
in the table above.
Note that if @gvalue is of type G_TYPE_VARIANT
and its value is
None
, the empty #GVariant instance (never None
) for @type_ is
returned (e.g. 0 for scalar types, the empty string for string types,
‘/’ for object path types, the empty array for any array type and so on).
See the g_dbus_gvariant_to_gvalue() function for how to convert a #GVariant to a #GValue.
§gvalue
A #GValue to convert to a #GVariant
§type_
A #GVariantType
§Returns
A #GVariant (never floating) of #GVariantType @type_ holding the data from @gvalue or an empty #GVariant in case of failure. Free with g_variant_unref().