message filter calls listener

nmea.py

@@ -1,20 +1,23 @@
-from urllib.parse import to_bytes
-
 from msg_montainer import MsgContainer
 from msg_sink import MsgSink
+from typing import Callable
 import re
 
 class NmeaReceiver(MsgSink):
 	def __init__(self):
 		MsgSink.__init__(self)
-		self.filters_msg_type = []
-
-	def filter_by_msg_type(self, msg_type: str):
-		self.filters_msg_type.append(msg_type)
+		self.filters = []
 
 	def on_recv(self, msg: MsgContainer):
 		data = msg.data.decode(encoding="utf-8")
-		for pattern in self.filters_msg_type:
-			if re.match(pattern, data):
-				print(f"{self}: on_receive: {msg}")
+		for filter in self.filters:
+			if re.match(filter['re'], data):
+				if filter['listener'] is not None:
+					filter['listener'](msg)
 
+	def register_msg(self, msg_type: str, listener: Callable):
+		self.filters.append({'re': msg_type, 'listener': listener})
+
+
+	def _filter_by_msg_type(self, msg_type: str):
+		self.filters.append(msg_type)