public ReferenceAliasManager()
{
if (!typeof(T).IsEnum)
{
throw new InvalidOperationException("T must be an enumerated type");
}
// Load all default ReferenceAlias
foreach (T alias in Enum.GetValues(typeof(T)))
{
ReferenceAlias <T> referenceAlias = ReferenceAliasAttribute.Get <T>(alias);
if (referenceAlias == null)
{
continue;
}
_referenceAliases.Add(alias, referenceAlias);
}
// Execute enum custom initialization if defined
ReferenceAliasInitAttribute attr = typeof(T).GetCustomAttributes(typeof(ReferenceAliasInitAttribute), true).FirstOrDefault() as ReferenceAliasInitAttribute;
if (attr != null)
{
attr.Invoke(typeof(T), this);
}
}
internal static ReferenceAlias <T> FromAttribute(ReferenceAliasAttribute attr)
{
if (attr.Type != null)
{
return(FromType(attr.Type, attr.PublicReference));
}
if (!string.IsNullOrEmpty(attr.Name) && !string.IsNullOrEmpty(attr.Version))
{
return(FromNuget(attr.Name, attr.Version));
}
return(FromPaths(attr.Paths));
}
public static ReferenceAlias <T> Get <T>(object enumValue) where T : struct, IConvertible
{
if (enumValue == null)
{
return(null);
}
MemberInfo[] mi = typeof(T).GetMember(enumValue.ToString());
if (mi.Length <= 0)
{
return(null);
}
ReferenceAliasAttribute attr = Attribute.GetCustomAttribute(mi[0], typeof(ReferenceAliasAttribute)) as ReferenceAliasAttribute;
if (attr == null)
{
return(null);
}
return(ReferenceAlias <T> .FromAttribute(attr));
}
