public static bool TryParse <TEnumeration>(Func <TEnumeration, bool> predicate, out TEnumeration enumeration) where TEnumeration : Enumeration
{
enumeration = GetAll <TEnumeration>().FirstOrDefault(predicate);
if (!(enumeration is null))
{
return(true);
}
enumeration = ClassConstructionHelper.Construct <TEnumeration>(null, null);
return(false);
}
public static bool TryParse <TEnumeration>(Func <TEnumeration, bool> predicate, int defaultValue, out TEnumeration enumeration) where TEnumeration : Enumeration
{
enumeration = GetAll <TEnumeration>().FirstOrDefault(predicate);
if (!(enumeration is null))
{
return(true);
}
var types = new[] { typeof(int), typeof(string) };
var values = new object[] { defaultValue, null };
enumeration = ClassConstructionHelper.Construct <TEnumeration>(types, values);
return(false);
}
public static IEnumerable <TEnumeration> GetAll <TEnumeration>() where TEnumeration : Enumeration
{
var type = typeof(TEnumeration);
var fields = type.GetFields(BindingFlags.Public | BindingFlags.Static | BindingFlags.DeclaredOnly);
foreach (var info in fields)
{
var instance = ClassConstructionHelper.Construct <TEnumeration>(null, null);
if (info.GetValue(instance) is TEnumeration locatedValue)
{
yield return(locatedValue);
}
}
}
