public static string ToShowText(this Enum en, bool exceptionIfFail, string flagsSeparator)
{
string enumFullName = EnumExtensions.GetEnumFullName(en);
string showText = default(string);
if (!EnumExtensions._cacheEnumShowTextdDic.TryGetValue(enumFullName, out showText))
{
Type type = en.GetType();
object[] customAttributes = type.GetCustomAttributes(typeof(FlagsAttribute), false);
if (customAttributes != null && customAttributes.Length != 0)
{
long num = Convert.ToInt64(en);
StringBuilder stringBuilder = new StringBuilder();
string[] names = Enum.GetNames(type);
string result = "";
string[] array = names;
foreach (string text in array)
{
long num2 = Convert.ToInt64(Enum.Parse(type, text));
if (num2 == 0)
{
object[] customAttributes2 = type.GetField(text).GetCustomAttributes(typeof(EnumShowTextAttribute), false);
if (customAttributes2.Length != 0)
{
result = ((EnumShowTextAttribute)customAttributes2[0]).ShowText;
}
}
else if ((num2 & num) == num2)
{
if (stringBuilder.Length != 0)
{
stringBuilder.Append(flagsSeparator);
}
object[] customAttributes3 = type.GetField(text).GetCustomAttributes(typeof(EnumShowTextAttribute), false);
if (customAttributes3.Length != 0)
{
stringBuilder.Append(((EnumShowTextAttribute)customAttributes3[0]).ShowText);
}
else
{
if (exceptionIfFail)
{
throw new InvalidOperationException($"此枚举{enumFullName}未定义EnumShowTextAttribute");
}
stringBuilder.Append(text);
}
}
}
if (stringBuilder.Length > 0)
{
return(stringBuilder.ToString());
}
return(result);
}
FieldInfo field = type.GetField(en.ToString());
if (field == (FieldInfo)null)
{
throw new InvalidOperationException($"非完整枚举{enumFullName}");
}
object[] customAttributes4 = field.GetCustomAttributes(typeof(EnumShowTextAttribute), false);
if (customAttributes4.Length != 0)
{
showText = ((EnumShowTextAttribute)customAttributes4[0]).ShowText;
lock (EnumExtensions._cacheEnumShowTextdDic)
{
EnumExtensions._cacheEnumShowTextdDic[enumFullName] = showText;
}
goto IL_0265;
}
if (exceptionIfFail)
{
throw new InvalidOperationException($"此枚举{enumFullName}未定义EnumShowTextAttribute");
}
return(en.ToString());
}
goto IL_0265;
IL_0265:
return(showText);
}
public static string ToShowText(this System.Enum en, bool exceptionIfFail, string flagsSeparator)
{
string enumFullName = EnumExtensions.GetEnumFullName(en);
string showText;
string result;
if (!EnumExtensions._cacheEnumShowTextdDic.TryGetValue(enumFullName, out showText))
{
System.Type type = en.GetType();
object[] customAttributes = type.GetCustomAttributes(typeof(System.FlagsAttribute), false);
if (customAttributes != null && customAttributes.Length > 0)
{
long num = System.Convert.ToInt64(en);
System.Text.StringBuilder stringBuilder = new System.Text.StringBuilder();
string[] names = System.Enum.GetNames(type);
string text = "";
string[] array = names;
for (int i = 0; i < array.Length; i++)
{
string text2 = array[i];
long num2 = System.Convert.ToInt64(System.Enum.Parse(type, text2));
if (num2 == 0L)
{
object[] customAttributes2 = type.GetField(text2).GetCustomAttributes(typeof(EnumShowTextAttribute), false);
if (customAttributes2.Length > 0)
{
text = ((EnumShowTextAttribute)customAttributes2[0]).ShowText;
}
}
else if ((num2 & num) == num2)
{
if (stringBuilder.Length != 0)
{
stringBuilder.Append(flagsSeparator);
}
object[] customAttributes2 = type.GetField(text2).GetCustomAttributes(typeof(EnumShowTextAttribute), false);
if (customAttributes2.Length > 0)
{
stringBuilder.Append(((EnumShowTextAttribute)customAttributes2[0]).ShowText);
}
else
{
if (exceptionIfFail)
{
throw new System.InvalidOperationException(string.Format("此枚举{0}未定义EnumShowTextAttribute", enumFullName));
}
stringBuilder.Append(text2);
}
}
}
if (stringBuilder.Length > 0)
{
result = stringBuilder.ToString();
return(result);
}
result = text;
return(result);
}
else
{
System.Reflection.FieldInfo field = type.GetField(en.ToString());
if (field == null)
{
throw new System.InvalidOperationException(string.Format("非完整枚举{0}", enumFullName));
}
object[] customAttributes2 = field.GetCustomAttributes(typeof(EnumShowTextAttribute), false);
if (customAttributes2.Length > 0)
{
showText = ((EnumShowTextAttribute)customAttributes2[0]).ShowText;
lock (EnumExtensions._cacheEnumShowTextdDic)
{
EnumExtensions._cacheEnumShowTextdDic[enumFullName] = showText;
}
}
else
{
if (exceptionIfFail)
{
throw new System.InvalidOperationException(string.Format("此枚举{0}未定义EnumShowTextAttribute", enumFullName));
}
result = en.ToString();
return(result);
}
}
}
result = showText;
return(result);
}
