client: add WSC argument completers

Makefile.am

@@ -90,7 +90,7 @@ client_iwctl_SOURCES = client/main.c \
 			client/adapter.c \
 			client/command.h client/command.c \
 			client/dbus-proxy.h client/dbus-proxy.c \
-			client/device.c \
+			client/device.h client/device.c \
 			client/display.h client/display.c \
 			client/known-networks.c \
 			client/network.h client/network.c \

client/device.c

@@ -28,6 +28,7 @@
 
 #include "command.h"
 #include "dbus-proxy.h"
+#include "device.h"
 #include "display.h"
 #include "network.h"
 
@@ -624,6 +625,13 @@ static const struct command device_commands[] = {
 	{ }
 };
 
+char *device_wsc_family_arg_completion(const char *text, int state)
+{
+	return proxy_property_str_completion(&device_interface_type,
+						match_by_partial_name, "Name",
+						text, state);
+}
+
 static char *family_arg_completion(const char *text, int state)
 {
 	static bool first_pass;

client/device.h

@@ -0,0 +1,23 @@
+/*
+ *
+ *  Wireless daemon for Linux
+ *
+ *  Copyright (C) 2017  Intel Corporation. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+char *device_wsc_family_arg_completion(const char *text, int state);

client/wsc.c

@@ -28,6 +28,7 @@
 
 #include "command.h"
 #include "dbus-proxy.h"
+#include "device.h"
 
 static struct proxy_interface_type wsc_interface_type = {
 	.interface = IWD_WSC_INTERFACE,
@@ -63,10 +64,22 @@ static const struct command wsc_commands[] = {
 	{ }
 };
 
+static char *family_arg_completion(const char *text, int state)
+{
+	return device_wsc_family_arg_completion(text, state);
+}
+
+static char *entity_arg_completion(const char *text, int state)
+{
+	return command_entity_arg_completion(text, state, wsc_commands);
+}
+
 static struct command_family wsc_command_family = {
 	.caption = "WiFi Simple Configuration",
 	.name = "wsc",
 	.command_list = wsc_commands,
+	.family_arg_completion = family_arg_completion,
+	.entity_arg_completion = entity_arg_completion,
 };
 
 static int wsc_command_family_init(void)