diff options
Diffstat (limited to 'gusb/gusb-interface.c')
| -rw-r--r-- | gusb/gusb-interface.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/gusb/gusb-interface.c b/gusb/gusb-interface.c index b08defa..e08409c 100644 --- a/gusb/gusb-interface.c +++ b/gusb/gusb-interface.c @@ -58,6 +58,123 @@ g_usb_interface_init(GUsbInterface *self) { } +gboolean +_g_usb_interface_load(GUsbInterface *self, JsonObject *json_object, GError **error) +{ + const gchar *str; + + g_return_val_if_fail(G_USB_IS_INTERFACE(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->iface.bLength = json_object_get_int_member_with_default(json_object, "Length", 0x0); + self->iface.bDescriptorType = + json_object_get_int_member_with_default(json_object, "DescriptorType", 0x0); + self->iface.bInterfaceNumber = + json_object_get_int_member_with_default(json_object, "InterfaceNumber", 0x0); + self->iface.bAlternateSetting = + json_object_get_int_member_with_default(json_object, "AlternateSetting", 0x0); + self->iface.bInterfaceClass = + json_object_get_int_member_with_default(json_object, "InterfaceClass", 0x0); + self->iface.bInterfaceSubClass = + json_object_get_int_member_with_default(json_object, "InterfaceSubClass", 0x0); + self->iface.bInterfaceProtocol = + json_object_get_int_member_with_default(json_object, "InterfaceProtocol", 0x0); + self->iface.iInterface = + json_object_get_int_member_with_default(json_object, "Interface", 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_interface_save(GUsbInterface *self, JsonBuilder *json_builder, GError **error) +{ + g_return_val_if_fail(G_USB_IS_INTERFACE(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->iface.bLength != 0) { + json_builder_set_member_name(json_builder, "Length"); + json_builder_add_int_value(json_builder, self->iface.bLength); + } + if (self->iface.bDescriptorType != 0) { + json_builder_set_member_name(json_builder, "DescriptorType"); + json_builder_add_int_value(json_builder, self->iface.bDescriptorType); + } + if (self->iface.bInterfaceNumber != 0) { + json_builder_set_member_name(json_builder, "InterfaceNumber"); + json_builder_add_int_value(json_builder, self->iface.bInterfaceNumber); + } + if (self->iface.bAlternateSetting != 0) { + json_builder_set_member_name(json_builder, "AlternateSetting"); + json_builder_add_int_value(json_builder, self->iface.bAlternateSetting); + } + if (self->iface.bInterfaceClass != 0) { + json_builder_set_member_name(json_builder, "InterfaceClass"); + json_builder_add_int_value(json_builder, self->iface.bInterfaceClass); + } + if (self->iface.bInterfaceSubClass != 0) { + json_builder_set_member_name(json_builder, "InterfaceSubClass"); + json_builder_add_int_value(json_builder, self->iface.bInterfaceSubClass); + } + if (self->iface.bInterfaceProtocol != 0) { + json_builder_set_member_name(json_builder, "InterfaceProtocol"); + json_builder_add_int_value(json_builder, self->iface.bInterfaceProtocol); + } + if (self->iface.iInterface != 0) { + json_builder_set_member_name(json_builder, "Interface"); + json_builder_add_int_value(json_builder, self->iface.iInterface); + } + + /* array of endpoints */ + if (self->endpoints->len > 0) { + json_builder_set_member_name(json_builder, "UsbEndpoints"); + json_builder_begin_array(json_builder); + for (guint i = 0; i < self->endpoints->len; i++) { + GUsbEndpoint *endpoint = g_ptr_array_index(self->endpoints, i); + if (!_g_usb_endpoint_save(endpoint, json_builder, error)) + return FALSE; + } + json_builder_end_array(json_builder); + } + + /* 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_interface_new: * |