idlcli: Add mutiple haptics command support

Bug: 176134689
Test: idlcli -n dual vibrator on 1000
Signed-off-by: chasewu <chasewu@google.com>
Change-Id: I499edd317db5858a2bc0cd76681c971926685c78
diff --git a/cmds/idlcli/IdlCli.h b/cmds/idlcli/IdlCli.h
index dd84304..24a40d9 100644
--- a/cmds/idlcli/IdlCli.h
+++ b/cmds/idlcli/IdlCli.h
@@ -25,14 +25,47 @@
 class IdlCli : public CommandWithSubcommands<IdlCli> {
     std::string getDescription() const override { return "Invoke IDL APIs."; }
 
-    std::string getUsageSummary() const override { return "<idl> [arguments]"; }
+    std::string getUsageSummary() const override { return "<idl> [options] [arguments]"; }
 
     UsageDetails getUsageDetails() const override {
         UsageDetails details{
+                {"-n <name>", {"Get named service, rather than default."}},
                 {"<idl>", CommandRegistry<IdlCli>::List()},
         };
         return details;
     }
+
+    Status doArgs(Args &args) override {
+        while (args.get<std::string>().value_or("").find("-") == 0) {
+            auto opt = *args.pop<std::string>();
+            if (opt == "--") {
+                break;
+            } else if (opt == "-n") {
+                if (auto name = args.pop<decltype(mName)>()) {
+                    mName = *name;
+                } else {
+                    std::cerr << "Missing Value for Name!" << std::endl;
+                    return USAGE;
+                }
+            } else {
+                std::cerr << "Invalid Option '" << opt << "'!" << std::endl;
+                return USAGE;
+            }
+        }
+        return CommandWithSubcommands::doArgs(args);
+    }
+
+    IdlCli() {}
+
+    std::string mName;
+
+public:
+    static IdlCli &Get() {
+        static IdlCli instance;
+        return instance;
+    }
+
+    auto getName() { return mName; }
 };
 
 } // namespace idlcli