Files
serein-flow/Library/Utils/EnumHelper.cs
2024-10-07 15:15:18 +08:00

53 lines
1.9 KiB
C#

using Serein.Library.Attributes;
using System;
using System.Collections.Generic;
using System.Reflection;
using System.Text;
namespace Serein.Library.Utils
{
public static class EnumHelper
{
public static bool TryConvertEnum<T>(this string value, out T result) where T : struct, Enum
{
if (!string.IsNullOrEmpty(value) && Enum.TryParse(value, true, out T tempResult) && Enum.IsDefined(typeof(T), tempResult))
{
result = tempResult;
return true;
}
result = default;
return false;
}
public static TResult GetBoundValue<TEnum, TResult>(TEnum enumValue, Func<BindValueAttribute, object> valueSelector)
where TEnum : Enum
{
var fieldInfo = typeof(TEnum).GetField(enumValue.ToString());
var attribute = fieldInfo.GetCustomAttribute<BindValueAttribute>();
return attribute != null ? (TResult)valueSelector(attribute) : default;
}
public static object GetBoundValue(Type enumType,object enumValue, Func<BindValueAttribute, object> valueSelector)
{
var fieldInfo = enumType.GetField(enumValue.ToString());
var attribute = fieldInfo.GetCustomAttribute<BindValueAttribute>();
return attribute != null ? valueSelector(attribute) : default;
}
public static TResult GetBoundValue<TEnum, TAttribute, TResult>(TEnum enumValue,
Func<TAttribute, TResult> valueSelector)
where TEnum : Enum
where TAttribute : Attribute
{
var fieldInfo = typeof(TEnum).GetField(enumValue.ToString());
var attribute = fieldInfo.GetCustomAttribute<TAttribute>();
return attribute != null ? valueSelector(attribute) : default;
}
}
}