public static IEnumerable <Extension> GetRequiredExtensions(this IExtensionReader reader, int extensionId)
{
var info = reader.GetExtensionByID(extensionId);
if (info == null)
{
yield break;
}
foreach (var requiredExtension in info.RequiredExtensions)
{
yield return(requiredExtension);
foreach (var extension in reader.GetRequiredExtensions(requiredExtension.id))
{
yield return(extension);
}
}
}
private Dictionary <Extension, Extension[]> GetEnablerAndRequiredExtensions(int definition)
{
return(_extensionReader.GetEnablerExtensions(definition).ToDictionary(e => e, e => _extensionReader.GetRequiredExtensions(e.id).ToArray()));
}