public static ParserTask GetTask(PPather ppather, NodeTask node)
{
// string s = "";
// foreach (string key in registeredTasks.Keys)
// s += key + ",";
// PPather.WriteLine("Types: " + s);
if (!registeredTasks.ContainsKey(node.type))
{
PPather.WriteLine("No registered task for " + node.type);
return(null);
}
//PPather.WriteLine("Attempting to instantiate " + registeredTasks[node.type]);
// (In some big task files, the above line can crash Glider)
ConstructorInfo ci = null;
Object o = null;
try
{
ci = registeredTasks[node.type].GetConstructor(new Type[] { ppather.GetType(), node.GetType() });
o = ci.Invoke(new object[] { ppather, node });
}
catch (Exception e)
{
// an exception here is fatal, popup a dialog
// to give some feedback and rethrow the error
string s = "Error instantiating \"" + node.type + "\" task\n\n" + e.GetType().FullName + "\n" + e.Message;
if (null != e.InnerException)
{
s += "\n\nInner exception:" + e.InnerException.GetType().FullName + "\n" + e.InnerException.Message;
}
System.Windows.Forms.MessageBox.Show(s);
throw e;
}
if (null == o)
{
PPather.WriteLine("Created null");
}
return((ParserTask)o);
}