X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=class-support.lisp;h=84a4790d74672f2e9e55c81c1a31fd471994ade0;hb=48c4c04c81cf49ae6c6dd7aabc43bb172addb75b;hp=5f8778da086ce822185cdf9f420d9dd2ae33a896;hpb=40f95c8097f0617a30f3520c5767a61df871b0dc;p=umlisp.git

diff --git a/class-support.lisp b/class-support.lisp
index 5f8778d..84a4790 100644
--- a/class-support.lisp
+++ b/class-support.lisp
@@ -7,7 +7,7 @@
 ;;;; Author:       Kevin M. Rosenberg
 ;;;; Date Started: Apr 2000
 ;;;;
-;;;; $Id: class-support.lisp,v 1.12 2003/06/12 16:37:44 kevin Exp $
+;;;; $Id: class-support.lisp,v 1.13 2003/06/15 07:48:30 kevin Exp $
 ;;;;
 ;;;; This file, part of UMLisp, is
 ;;;;    Copyright (c) 2000-2003 by Kevin M. Rosenberg, M.D.
@@ -81,6 +81,32 @@
 (defmethod fmt-eui ((e null))
   (format nil "nil"))
 
+(defun cui-p (ui)
+  "Check if a string is a CUI"
+  (check-ui ui #\C 7))
+
+(defun lui-p (ui)
+  "Check if a string is a LUI"
+  (check-ui ui #\L 7))
+
+(defun sui-p (ui)
+  "Check if a string is a SUI"
+  (check-ui ui #\S 7))
+
+(defun tui-p (ui)
+  (check-ui ui #\T 3))
+
+(defun eui-p (ui)
+  (check-ui ui #\E 7))
+
+(defun check-ui (ui start-char len)
+  (when (and (stringp ui)
+	     (= (length ui) (1+ len))
+	     (char-equal start-char (schar ui 0))
+	     (ignore-errors (parse-integer ui :start 1)))
+    t))
+
+
 ;;; Generic display functions
 
 (eval-when (:compile-toplevel :load-toplevel :execute)