Spotify.NET/SpotifyAPI.Web/Util/StringAttribute.cs
2020-11-13 14:43:00 +01:00

40 lines
971 B
C#

using System;
using System.Reflection;
using System.Linq;
using System.Diagnostics.CodeAnalysis;
namespace SpotifyAPI.Web
{
[AttributeUsage(AttributeTargets.Field)]
public class StringAttribute : Attribute
{
public StringAttribute(string value)
{
Value = value;
}
public string Value { get; set; }
#if NETSTANDARD2_0
public static bool GetValue(Type enumType, Enum enumValue, out string? result)
#else
public static bool GetValue(Type enumType, Enum enumValue, [NotNullWhen(true)] out string? result)
#endif
{
Ensure.ArgumentNotNull(enumType, nameof(enumType));
Ensure.ArgumentNotNull(enumValue, nameof(enumValue));
if (enumType
.GetMember(enumValue.ToString())[0]
.GetCustomAttributes(typeof(StringAttribute))
.FirstOrDefault() is StringAttribute stringAttr)
{
result = stringAttr.Value;
return true;
}
result = null;
return false;
}
}
}