private static bool DynamicInvokeShuntInternal(object target, MethodShuntKey key, object[] parameters, out object returnValue)
{
var pairs =
from pi in key.Method.GetParameters()
join pv in parameters.Select((pv, index) => new { Value = pv, Index = index })
on pi.Position equals pv.Index
select new { Parameter = pi, Value = pv.Value }
into pair
orderby pair.Parameter.Position
select pair;
bool success = pairs.All(pair =>
pair.Parameter.ParameterType.IsAssignableFromValue(pair.Value)
);
if (success)
{
returnValue = key.Method.Invoke(target, parameters);
return(true);
}
else
{
returnValue = null;
return(false);
}
}
public static MethodShuntKey Register(MethodShuntSource source, MethodInfo method)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (method == null)
{
throw new ArgumentNullException(nameof(method));
}
var key = new MethodShuntKey(source, method);
MethodShunt.shuntDic[source].Add(key);
return(key);
}