public static T CreateInstanct <T>(Def def, params object[] args)
{
if (def == null)
{
throw new ArgumentNullException(nameof(def));
}
//try
//{
if (def.InstClassName == null)
{
throw new Exception("InstClassName is not defined");
}
var type = Type.GetType(def.InstClassName);
if (type == null)
{
throw new Exception($"No type found for with name '{def.InstClassName}'");
}
if (!type.IsSubclassOf(typeof(Inst)))
{
throw new Exception($"Stated type name '{def.InstClassName}' does not inherent from type Init.");
}
var constructors = type.GetConstructors().ToList();
if (!(constructors?.Any() ?? false))
{
throw new Exception($"Failed to find constructor for class '{def.InstClassName}'.");
}
if (constructors.Count() > 1)
{
throw new Exception($"InstClass '{def.InstClassName}' has more than one constructor. All Instance classes must have only one contructor.");
}
var constructor = constructors.First();
var constructorParameters = constructor.GetParameters();
var tempParms = args.Prepend(def).ToArray();
if (constructorParameters.Count() != tempParms.Count())
{
throw new Exception($"Constructor arguments for class '{def.InstClassName}' does not match the arguments provided. Arguments must be provided to CreateInstance<T> in the same order as the constuctor.");
}
for (int n = 0; n < constructorParameters.Count(); n++)
{
var parm = constructorParameters[n];
var conParmType = parm.ParameterType;
var tempParmType = tempParms[n].GetType();
if (!conParmType.IsAssignableFrom(tempParmType))
{
throw new Exception($"Constructor arguments for class '{def.InstClassName}' does not match the arguments provided. '{conParmType.Name}' is not assignable from '{tempParmType.Name}'. Arguments must be provided to CreateInstance<T> in the same order as the constuctor.");
}
}
var inst = (T)Activator.CreateInstance(type, args: tempParms);
return(inst);
//}
//catch(Exception e)
//{
// throw new Exception($"Failed to create instance of def named '{def.DefName}'", e);
//}
}
public Inst(Def def)
{
_def = def ?? throw new ArgumentNullException(nameof(def));
_id = Guid.NewGuid().ToString();
}