diff options
Diffstat (limited to 'gusb/gusb-bos-descriptor.c')
| -rw-r--r-- | gusb/gusb-bos-descriptor.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gusb/gusb-bos-descriptor.c b/gusb/gusb-bos-descriptor.c index 48265dd..2e4134b 100644 --- a/gusb/gusb-bos-descriptor.c +++ b/gusb/gusb-bos-descriptor.c @@ -53,6 +53,70 @@ g_usb_bos_descriptor_init(GUsbBosDescriptor *self) { } +gboolean +_g_usb_bos_descriptor_load(GUsbBosDescriptor *self, JsonObject *json_object, GError **error) +{ + const gchar *str; + + g_return_val_if_fail(G_USB_IS_BOS_DESCRIPTOR(self), FALSE); + g_return_val_if_fail(json_object != NULL, FALSE); + g_return_val_if_fail(error == NULL || *error == NULL, -1); + +#if JSON_CHECK_VERSION(1, 6, 0) + /* optional properties */ + self->bos_cap.bDevCapabilityType = + json_object_get_int_member_with_default(json_object, "DevCapabilityType", 0x0); + + /* extra data */ + str = json_object_get_string_member_with_default(json_object, "ExtraData", NULL); + if (str != NULL) { + gsize bufsz = 0; + g_autofree guchar *buf = g_base64_decode(str, &bufsz); + if (self->extra != NULL) + g_bytes_unref(self->extra); + self->extra = g_bytes_new_take(g_steal_pointer(&buf), bufsz); + } +#else + g_set_error_literal(error, + G_IO_ERROR, + G_IO_ERROR_NOT_SUPPORTED, + "json-glib version too old"); + return FALSE; +#endif + + /* success */ + return TRUE; +} + +gboolean +_g_usb_bos_descriptor_save(GUsbBosDescriptor *self, JsonBuilder *json_builder, GError **error) +{ + g_return_val_if_fail(G_USB_IS_BOS_DESCRIPTOR(self), FALSE); + g_return_val_if_fail(json_builder != NULL, FALSE); + g_return_val_if_fail(error == NULL || *error == NULL, FALSE); + + /* start */ + json_builder_begin_object(json_builder); + + /* optional properties */ + if (self->bos_cap.bDevCapabilityType != 0) { + json_builder_set_member_name(json_builder, "DevCapabilityType"); + json_builder_add_int_value(json_builder, self->bos_cap.bDevCapabilityType); + } + + /* extra data */ + if (self->extra != NULL && g_bytes_get_size(self->extra) > 0) { + g_autofree gchar *str = g_base64_encode(g_bytes_get_data(self->extra, NULL), + g_bytes_get_size(self->extra)); + json_builder_set_member_name(json_builder, "ExtraData"); + json_builder_add_string_value(json_builder, str); + } + + /* success */ + json_builder_end_object(json_builder); + return TRUE; +} + /** * _g_usb_bos_descriptor_new: * |