src/lib.rs

@@ -479,9 +479,9 @@ impl MessageBehavior for VmcExtCon {
             ],
         };
     }
-    fn from_osc_message(msg: OscMessage) -> Result<Self, String> {
+    fn from_osc_message(msg: OscMessage) -> Result<Self, FromMessageErr> {
         if msg.args.len() != 7 {
-            return Err(String::from("arg count invalid"));
+            return Err(FromMessageErr::ArgCount(ArgCountErr { expected_in: vec![7], actual: msg.args.len(), addr: msg.addr}));
         }
         let active: i32;
         let name: String;
@@ -490,40 +490,40 @@ impl MessageBehavior for VmcExtCon {
         let mut axis = Vector3::new(0.0, 0.0, 0.0);
         match msg.args[0] {
             OscType::Int(i) => active = i,
-            _ => return Err(String::from("arg type invalid")),
+            _ => return Err(FromMessageErr::ArgType(ArgTypeErr { expected: OscType::Int(0), actual: msg.args[0], addr: msg.addr, arg_count: 0})),
         }
         if active > 2 || active < 0 {
-            return Err(String::from("arg value invalid"));
+            return Err(FromMessageErr::IntRange(IntRangeErr { expected_lower: 0, expected_upper: 2, actual: active, addr: msg.addr, arg_count: 0}));
         }
         match &msg.args[1] {
             OscType::String(s) => name = s.to_owned(),
-            _ => return Err(String::from("arg value invalid")),
+            _ => return Err(FromMessageErr::ArgType(ArgTypeErr { expected: OscType::String(String::new()), actual: msg.args[1], addr: msg.addr, arg_count: 1})),
         }
         match msg.args[2] {
             OscType::Int(i) => is_left = i,
-            _ => return Err(String::from("arg type invalid")),
+            _ => return Err(FromMessageErr::ArgType(ArgTypeErr { expected: OscType::Int(0), actual: msg.args[2], addr: msg.addr, arg_count: 2})),
         }
         if is_left < 0 || is_left > 1 {
-            return Err(String::from("arg value invalid"));
+            return Err(FromMessageErr::IntRange(IntRangeErr { expected_lower: 0, expected_upper: 1, actual: active, addr: msg.addr, arg_count: 2}));
         }
         match msg.args[3] {
             OscType::Int(i) => is_touch = i,
-            _ => return Err(String::from("arg type invalid")),
+            _ => return Err(FromMessageErr::ArgType(ArgTypeErr { expected: OscType::Int(0), actual: msg.args[3], addr: msg.addr, arg_count: 3})),
         }
         if is_touch < 0 || is_touch > 1 {
-            return Err(String::from("arg value invalid"));
+            return Err(FromMessageErr::IntRange(IntRangeErr { expected_lower: 0, expected_upper: 1, actual: active, addr: msg.addr, arg_count: 3}));
         }
         match msg.args[4] {
             OscType::Float(f) => axis.x = f,
-            _ => return Err(String::from("arg type invalid")),
+            _ => return Err(FromMessageErr::ArgType(ArgTypeErr { expected: OscType::Float(0.0), actual: msg.args[4], addr: msg.addr, arg_count: 4})),
         }
         match msg.args[5] {
             OscType::Float(f) => axis.y = f,
-            _ => return Err(String::from("arg type invalid")),
+            _ => return Err(FromMessageErr::ArgType(ArgTypeErr { expected: OscType::Float(0.0), actual: msg.args[5], addr: msg.addr, arg_count: 5})),
         }
         match msg.args[6] {
             OscType::Float(f) => axis.z = f,
-            _ => return Err(String::from("arg type invalid")),
+            _ => return Err(FromMessageErr::ArgType(ArgTypeErr { expected: OscType::Float(0.0), actual: msg.args[6], addr: msg.addr, arg_count: 6})),
         }
         return Ok(VmcExtCon {
             active,