// Private methods ------------------------------------------------------------------
private static object Call(Type type, object target, string name, object[] argValues)
{
var nbOfProvidedArgs = 0;
if (argValues != null)
{
nbOfProvidedArgs = argValues.Length;
}
// Check if it is a field name
var fi = type.GetField(name);
if (fi != null)
{
if (nbOfProvidedArgs > 0)
{
if (nbOfProvidedArgs == 1)
{
fi.SetValue(target, argValues[0]);
return(null);
}
else
{
throw new TargetException(nbOfProvidedArgs + " argument(s) provided for field " + target + "." + name + " when 1 expected");
}
}
else
{
return(fi.GetValue(target));
}
}
// Check if it is a property name
MethodInfo mi = null;
PropertyInfo pi;
if (nbOfProvidedArgs > 0)
{
// If we have arguments passed, try to locate a property mathing those
pi = type.GetProperty(name, GetArgumentTypes(argValues));
if (pi != null)
{
// If the property is found, give priority to getter
// This is of course a limitation, for very specific things
// NxBRE users will enjoy implementing code delegates!
mi = pi.GetGetMethod();
if (mi == null)
{
mi = pi.GetSetMethod();
}
}
else
{
// If the property is found, try to find a basic non-argument property
// and target the set method as we have arguments passed
pi = type.GetProperty(name);
if (pi != null)
{
mi = pi.GetSetMethod();
}
}
}
else
{
// Having no arguments passed, we clearly want a getter.
pi = type.GetProperty(name);
if (pi != null)
{
mi = pi.GetGetMethod();
}
}
// check if it is a method name
var types = GetArgumentTypes(argValues);
if (mi == null)
{
mi = type.GetMethod(name, types);
}
// let's try by group the identical arguments of same types to try them as a param array
if (mi == null)
{
var reArgValues = Parameter.GroupFinal(argValues);
if (!Array.ReferenceEquals(argValues, reArgValues))
{
types = GetArgumentTypes(reArgValues);
mi = type.GetMethod(name, types);
if (mi != null)
{
argValues = reArgValues;
}
}
}
// the last option is to try to find if there is a single method with the desired name
if (mi == null)
{
try
{
mi = type.GetMethod(name);
}
catch (AmbiguousMatchException)
{
// IGNORED
}
}
// if something has been found
if (mi == null)
{
return(CallMethodWithByRefParametersOrThrow(type,
target,
name,
argValues,
new TargetException("Can not find member " + type.FullName
+ "." + name
+ Misc.ArrayToString(types)
+ " for values "
+ Misc.ArrayToString(argValues))));
}
{
// if the number of arguments match, perform the invocation
if (argValues != null && argValues.Length == mi.GetParameters().Length)
{
return(mi.Invoke(target, argValues));
}
// try a last trick by grouping the last arguments in an array
// in order to reach the right number of arguments
var reArgValues = Parameter.GroupFinal(argValues,
mi.GetParameters().Length,
mi.GetParameters()[mi.GetParameters().Length - 1].ParameterType);
return(mi.Invoke(target, reArgValues));
}
// nothing found
}
