using System;

public static class EnumTools
{
	public static bool IsInEnum<TEnum>(string value, bool ignoreCase = false) where TEnum : struct, IConvertible
	{
		if (!ignoreCase)
		{
			return Enum.IsDefined(typeof(TEnum), value);
		}
		string[] names = Enum.GetNames(typeof(TEnum));
		for (int i = 0; i < names.Length; i++)
		{
			if (names[i].Equals(value, StringComparison.OrdinalIgnoreCase))
			{
				return true;
			}
		}
		return false;
	}

	public static bool TryParse<TEnum>(string value, out TEnum result) where TEnum : struct, IConvertible
	{
		return EnumTools.TryParse<TEnum>(value, false, out result);
	}

	public static bool TryParse<TEnum>(string value, bool ignoreCase, out TEnum result) where TEnum : struct
	{
		if (Enum.IsDefined(typeof(TEnum), value))
		{
			result = (TEnum)((object)Enum.Parse(typeof(TEnum), value, true));
			return true;
		}
		if (ignoreCase)
		{
			string[] names = Enum.GetNames(typeof(TEnum));
			for (int i = 0; i < names.Length; i++)
			{
				if (names[i].Equals(value, StringComparison.OrdinalIgnoreCase))
				{
					result = (TEnum)((object)Enum.Parse(typeof(TEnum), names[i]));
					return true;
				}
			}
		}
		result = default(TEnum);
		return false;
	}

	public static TEnum ToEnum<TEnum>(string value, bool ignoreCase = false) where TEnum : struct, IConvertible
	{
		TEnum result;
		EnumTools.TryParse<TEnum>(value, ignoreCase, out result);
		return result;
	}
}