public static EnumMetadataAttribute GetMetadata(object stringEnum, Type type)
{
if (type.GetCustomAttribute(typeof(StringEnumAttribute)) == null)
{
return(null);
}
int index = Array.IndexOf(Enum.GetValues(type), stringEnum);
var fields = type.GetFields().Where(x => x.IsStatic).ToArray();
FieldInfo field = fields[index];
EnumMetadataAttribute metadata = (EnumMetadataAttribute)field.GetCustomAttribute(typeof(EnumMetadataAttribute));
return(metadata);
}
public static EnumMetadataAttribute GetMetadata <T>(T stringEnum)
where T : Enum
{
Type type = typeof(T);
if (type.GetCustomAttribute(typeof(StringEnumAttribute)) == null)
{
return(null);
}
FieldInfo field = type.GetFields().Where(x => x.IsStatic).ToArray()[Array.IndexOf(Enum.GetValues(type), stringEnum)];
EnumMetadataAttribute metadata = (EnumMetadataAttribute)field.GetCustomAttribute(typeof(EnumMetadataAttribute));
return(metadata);
}
public static object GetEnumValueFromString(string str, Type type)
{
foreach (FieldInfo fieldInfo in type.GetFields())
{
if (!fieldInfo.IsStatic)
{
continue;
}
EnumMetadataAttribute metadata = fieldInfo.GetCustomAttribute(typeof(EnumMetadataAttribute)) as EnumMetadataAttribute;
if (metadata == null)
{
continue;
}
if (metadata.Identifier == str)
{
return(fieldInfo.GetValue(null));
}
}
return(null);
}
public static T?GetValueFromString <T>(string str)
where T : struct, Enum
{
foreach (FieldInfo fieldInfo in typeof(T).GetFields())
{
if (!fieldInfo.IsStatic)
{
continue;
}
EnumMetadataAttribute metadata = fieldInfo.GetCustomAttribute(typeof(EnumMetadataAttribute)) as EnumMetadataAttribute;
if (metadata == null)
{
continue;
}
if (metadata.Identifier == str)
{
return((T?)fieldInfo.GetValue(null));
}
}
return(null);
}