X-Git-Url: http://git.kpe.io/?p=kmrcl.git;a=blobdiff_plain;f=strings.lisp;h=1832ff2a5dfa58f94564ee87f7b59587527c7b6e;hp=87d325425c8e7902b9ea06542952e31836aa408e;hb=d60bf2d464b393bdff8482bcaacd8d49957467ce;hpb=ea87515673ba2fd46e6e1ad270c4abf88d575a19

diff --git a/strings.lisp b/strings.lisp
index 87d3254..1832ff2 100644
--- a/strings.lisp
+++ b/strings.lisp
@@ -602,3 +602,20 @@ for characters in a string"
         (push (subseq string token-start token-end) tokens)))))
 
 
+(defun match-unique-abbreviation (abbr strings)
+  "Returns position of ABBR in STRINGS. ABBR may be a unique abbreviation.
+Returns NIL if no match found."
+  (let ((len (length abbr))
+	(matches nil))
+    (dotimes (i (length strings))
+      (let* ((s (nth i strings))
+	     (l (length s)))
+	(cond
+	  ((= len l)
+	   (when (string= abbr s)
+	     (push (cons s i) matches)))
+	  ((< len l)
+	   (when (string= abbr (subseq s 0 len))
+	     (push (cons s i) matches))))))
+    (when (= 1 (length matches))
+      (cdr (first matches)))))