public static object[] MakeArguments(MethodBase method, IReadOnlyList <object> source, CancellationToken token)
{
// late-bound provide the CancellationToken
var parameters = method.CachedParameters();
var target = new object[parameters.Count];
for (int index = 0; index < parameters.Count; ++index)
{
var type = parameters[index].ParameterType;
bool cancel = type.IsAssignableFrom(typeof(CancellationToken));
if (cancel)
{
var resolved = (CancellationToken)source[index];
if (resolved.CanBeCanceled)
{
// consider CancellationTokenSource.CreateLinkedTokenSource
// but remember to CancellationTokenSource.Dispose
throw new NotSupportedException();
}
target[index] = token;
}
else
{
target[index] = source[index];
}
}
return(target);
}
public static bool TryResolveArguments(IResolver resolver, MethodBase method, out object[] arguments)
{
var parameters = method.CachedParameters();
if (parameters.Count == 0)
{
arguments = Array.Empty <object>();
return(true);
}
arguments = null;
for (int index = 0; index < parameters.Count; ++index)
{
var parameter = parameters[index];
object argument;
if (!TryResolveArgument(resolver, parameter, out argument))
{
arguments = null;
return(false);
}
if (arguments == null)
{
arguments = new object[parameters.Count];
}
arguments[index] = argument;
}
return(arguments != null);
}
