/// <summary>
/// Initializes enum conversion for the given type
/// </summary>
static EnumConverter()
{
//Setup
Type enumType = typeof(T);
T[] values = (T[])Enum.GetValues(enumType);
Min = int.MaxValue;
Max = int.MinValue;
List <string> tempNames = new List <string>(values.Length);
List <T> tempValues = new List <T>(values.Length);
//Loop through the values
for (int i = 0; i < values.Length; i++)
{
//Get current value
T value = (T)values.GetValue(i);
string name = Enum.GetName(enumType, value);
//Check if the value is valid
if (!string.IsNullOrEmpty(name) && !ValueToName.ContainsKey(value) && !NameToValue.ContainsKey(name))
{
//Get numerical value
try
{
int numValue = value.ToInt32(null);
Min = Math.Min(Min, numValue);
Max = Math.Max(Max, numValue);
}
catch { /* Error suppression is intended, values outside of range have undefined behaviour*/ }
tempNames.Add(name);
tempValues.Add(value);
ValueToName.Add(value, name);
NameToValue.Add(name, value);
}
}
//Set final data
if (Max == int.MinValue)
{
Max = 0;
}
if (Min == int.MaxValue)
{
Min = 0;
}
Names = tempNames.AsReadOnly();
Values = tempValues.AsReadOnly();
}
public Maybe <T, string> TryParse(string str)
{
return(NameToValue.TryGetValue(str, out T val) ? val : string.Concat(str, " cannot be parsed as an enum of type ", TypeName));
}
