add VmcExtConfig

src/lib.rs

@@ -1141,3 +1141,25 @@ impl MessageBehavior for VmcExtSettingWin {
         return Ok(result);
     }
 }
+
+struct VmcExtConfig {
+    path: String,
+}
+
+impl MessageBehavior for VmcExtConfig {
+    fn to_osc_message(&self) -> OscMessage {
+        return OscMessage {
+            addr: String::from("/VMC/Ext/Config"),
+            args: vec![OscType::from(self.path.to_owned())],
+        };
+    }
+    fn from_osc_message(msg: OscMessage) -> Result<Self, String> {
+        if msg.addr.len() != 1 {
+            return Err(String::from("arg count invalid"));
+        }
+        match &msg.args[0] {
+            OscType::String(s) => return Ok(VmcExtConfig { path: s.to_owned() }),
+            _ => return Err(String::from("arg type invalid")),
+        }
+    }
+}