Fix parameter handling

Fixes #5 (closed)

• Prevent illegal characters in param name
• Define and force leading _ in parameter name to be of type hidden
• omit hidden parameters from getParameterInfo unless forced

Fixes #4 (closed)

• use # to set parameter specs; only validate after all parameters are set during make

rocolib/api/components/Component.py

@@ -149,7 +149,7 @@ class Component(Parameterized):
             if prefix == "":
                 prefix = name
 
-            for key, value in obj.getParameterInfo().items():
+            for key, value in obj.getParameterInfo(hidden=True).items():
                 # inherit = True : inherit all parameters
                 if inherit is True or key in inherit:
                     try:
@@ -343,7 +343,7 @@ class Component(Parameterized):
         return self.subcomponents[name]['parameters']
 
     def setSubParameter(self, c, n, v):
-        self.getSubcomponent(c).setParameter(n, v)
+        self.getSubcomponent(c).setParameter(n, v, validate=False)
 
     def getInterfaces(self, component, name, transient=False):
         return self.getSubcomponent(component).getInterface(name, transient)
@@ -510,6 +510,7 @@ class Component(Parameterized):
         if useDefaultParameters:
             self.useDefaultParameters()
         self.modifyParameters()
+        self.validate()
 
         scOrder = self.traverseGraph()
         for scName in scOrder: