public static Type GetDelegateType(FluentActionHandlerDefinition handler)
{
if (handler.Type == FluentActionHandlerType.Action && !handler.Async)
{
return(GetActionType(handler));
}
else
{
return(GetFuncType(handler));
}
}
public static Type GetFuncType(FluentActionHandlerDefinition handler)
{
var argumentTypes = handler.Usings.Select(@using => @using.Type).ToList();
var resultType = GetReturnTypeOrTaskType(handler);
argumentTypes.Add(resultType);
var unspecifiedGenericFuncType = GetUnspecifiedGenericFuncType(argumentTypes.Count);
var specifiedGenericFuncType = unspecifiedGenericFuncType.MakeGenericType(argumentTypes.ToArray());
return(specifiedGenericFuncType);
}
public static Type GetReturnTypeOrTaskType(FluentActionHandlerDefinition handler)
{
if (handler.Async && handler.ReturnType == null)
{
return(typeof(Task));
}
else if (handler.Async && handler.ReturnType != null)
{
return(typeof(Task <>).MakeGenericType(handler.ReturnType));
}
else
{
return(handler.ReturnType);
}
}
public static Type GetActionType(FluentActionHandlerDefinition handler)
{
var argumentTypes = handler.Usings.Select(@using => @using.Type).ToList();
if (argumentTypes.Count == 0)
{
return(typeof(Action));
}
else
{
var unspecifiedGenericActionType = GetUnspecifiedGenericActionType(argumentTypes.Count);
var specifiedGenericActionType = unspecifiedGenericActionType.MakeGenericType(argumentTypes.ToArray());
return(specifiedGenericActionType);
}
}
