From 4ff03fcd775d6ed165b805fb8f86d5395cc248b1 Mon Sep 17 00:00:00 2001
From: Abdulaziz Ghuloum <aghuloum@cs.indiana.edu>
Date: Thu, 13 Sep 2007 07:09:31 -0400
Subject: [PATCH] * cleanup of extract-info.ss

---
 src/unicode/extract-info.ss | 104 +-----------------------------------
 1 file changed, 1 insertion(+), 103 deletions(-)

diff --git a/src/unicode/extract-info.ss b/src/unicode/extract-info.ss
index faf0000..e0cb13d 100755
--- a/src/unicode/extract-info.ss
+++ b/src/unicode/extract-info.ss
@@ -31,67 +31,6 @@
 
 
 
-(define (codes-in-cats ls cats)
-  (let f ([ls ls] [ac '()])
-    (cond
-      [(null? ls) (reverse ac)]
-      [(memq (cdar ls) cats) 
-       (f (cdr ls) (cons (caar ls) ac))]
-      [else (f (cdr ls) ac)])))
-
-(define (make-xonxoff ls)
-  ;;; makes a list where if your index is at an odd
-  ;;; position, then you're ON.  If your index is not in 
-  ;;; the list, then look for the index before you.
-  (cons 0
-    (let f ([i 1] [on? #f] 
-            [ls (if (= (car ls) 0)
-                    (error 'make-xonxoff "first is on")
-                    ls)])
-      (cond
-        [(null? ls) (list i)]
-        [(= i (car ls)) 
-         (if on?
-             (f (+ i 1) #t (cdr ls))
-             (cons i (f (+ i 1) #t (cdr ls))))]
-        [else
-         (if on?
-             (cons i (f (+ i 1) #f ls))
-             (f (+ i 1) #f ls))]))))
-
-
-(define (search-on? n v)
-  (let ([k (- (vector-length v) 1)])
-    (let f ([i 0] [k k])
-      (cond
-        [(fx= i k) (odd? i)]
-        [else
-         (let ([j (fxsra (+ i k 1) 1)])
-           (cond
-             [(<= (vector-ref v j) n) (f j k)]
-             [else (f i (- j 1))]))]))))
-
-
-(define (verify vec ls) 
-  (let f ([i 0] [ls ls])
-    (unless (> i #x10FFFF)
-      (let-values ([(on? ls) 
-                    (cond
-                      [(null? ls) (values #f '())]
-                      [(= i (car ls)) (values #t (cdr ls))]
-                      [else (values #f ls)])])
-        (unless (equal? on? (search-on? i vec))
-          (error #f "did not pass on ~s" i))
-        (f (+ i 1) ls)))))
-                      
-
-(define (cat fields)
-  (let ([num (car fields)]
-        [cat (caddr fields)])
-     (cons
-       (read (open-input-string (format "#x~a" num)))
-       (string->symbol cat))))
-
 
 (define constituent-property  #x010000)
 (define uppercase-property    #x020000)
@@ -155,19 +94,6 @@
     [else (error 'category-index "invalid cat ~s" x)]))
 
 
-(define (insert-missing ls)
-  (let ([Cn-index (category-index 'Cn)])
-    (let f ([ls ls] [i 0] [ac '()])
-      (cond
-        [(> i #x10FFFF) (reverse ac)]
-        [(null? ls) 
-         (f ls (+ i 1) (cons (cons i Cn-index) ac))]
-        [(= i (caar ls)) 
-         (f (cdr ls) (+ i 1) 
-            (cons (cons (caar ls) (category-index (cdar ls))) ac))]
-        [else
-         (f ls (+ i 1) (cons (cons i Cn-index) ac))]))))
-
 (define (make-cats-table ls) 
   (let f ([i 1] [st (car ls)] [ls (cdr ls)] [ac '()])
     (cond
@@ -272,35 +198,7 @@
          (pretty-print 
            `(define unicode-categories-name-vector 
               ',(list->vector (map car categories)))))
-      'replace))
-  (exit 0)
-  (let ([ls (map cat (get-unicode-data "UNIDATA/UnicodeData.txt"))])
-    (let ([wanted 
-           (codes-in-cats ls
-             '(Lu Ll Lt Lm Lo Mn Mc Me Nd Nl No Pd Pc Po Sc Sm Sk So Co))]
-          [cats-table (merge-sequences
-                        (make-cats-table
-                          (insert-missing ls)))])
-      (let ([xonxoff (list->vector (make-xonxoff wanted))])
-        (verify xonxoff wanted)
-        (with-output-to-file "unicode-info.ss"
-          (lambda ()
-            (printf ";;; DO NOT EDIT\n")
-            (printf ";;; automatically generated\n")
-            (printf ";;; ~s elements in vector\n\n" (vector-length xonxoff))
-            (pretty-print 
-              `(define unicode-constituents-vector ',xonxoff))
-            (printf ";;; ~s elements in cats\n" (length cats-table))
-            (pretty-print 
-              `(define unicode-categories-lookup-vector 
-                 ',(list->vector (map car cats-table))))
-            (pretty-print 
-              `(define unicode-categories-values-vector 
-                 ',(list->vector (map cdr cats-table))))
-            (pretty-print 
-              `(define unicode-categories-name-vector 
-                 ',(list->vector (map car categories)))))
-          'replace)))))
+      'replace)))
 
 
 (printf "Happy Happy Joy Joy\n")