Improved argument parsing

src/cpl_core/configuration/variable_argument.py

@@ -0,0 +1,27 @@
+from cpl_core.configuration.argument_abc import ArgumentABC
+
+
+class VariableArgument(ArgumentABC):
+
+    def __init__(self,
+                 token: str,
+                 name: str,
+                 aliases: list[str],
+                 value_token: str,
+                 console_arguments: list['ArgumentABC'] = None
+                 ):
+        self._value_token = value_token
+        self._value: str = ''
+
+        ArgumentABC.__init__(self, token, name, aliases, console_arguments)
+
+    @property
+    def value_token(self) -> str:
+        return self._value_token
+
+    @property
+    def value(self) -> str:
+        return self._value
+
+    def set_value(self, value: str):
+        self._value = value