//-----------------------------------------------------------------
// CSE 461 Project
//
// debug.java: an interface for selective debug messages
//-----------------------------------------------------------------

//-----------------------------------------------------------------
// Debug: the debugging output interface.  This class is like
//        System in that it is static.  Use print and println
//        for messages, Enable and Disable turn specific
//        categories on and off.
//-----------------------------------------------------------------
class Debug
{
   private static String enabled = "";

   public static void Enable (char type)
   {
      if (!IsEnabled (type))
         enabled = enabled + type;
   }

   public static void Disable (char type)
   {
      int i = enabled.indexOf (type);
      if (i >= 0)
         enabled = enabled.substring (0, i) + enabled.substring (i+1);
   }

   public static void SetEnabled (String types)
   {
      enabled = types;
   }

   public static boolean IsEnabled (char type)
   {
      return (enabled.indexOf (type) >= 0);
   }

   public static void print (char type, String s)
   {
      if (IsEnabled (type))
         System.out.print (s);
   }

   public static void println (char type, String s)
   {
      if (IsEnabled (type))
         System.out.println (s);
   }
}