From 6583b96498f89927747af0494cdb2ca50627abee Mon Sep 17 00:00:00 2001
From: Matthew Butterick <mb@mbtype.com>
Date: Tue, 5 Mar 2019 15:30:03 -0800
Subject: [PATCH] green

---
 fontland/fontland/table/cff/cff-font.rkt  | 27 ++++++++++++-----------
 fontland/fontland/table/cff/cff-index.rkt | 12 +++++-----
 2 files changed, 20 insertions(+), 19 deletions(-)

diff --git a/fontland/fontland/table/cff/cff-font.rkt b/fontland/fontland/table/cff/cff-font.rkt
index 9f3707c5..7e15d67a 100644
--- a/fontland/fontland/table/cff/cff-font.rkt
+++ b/fontland/fontland/table/cff/cff-font.rkt
@@ -1,5 +1,5 @@
 #lang debug racket/base
-(require racket/class racket/list xenomorph "cff-top.rkt")
+(require racket/class racket/match racket/list xenomorph "cff-top.rkt")
 (provide (rename-out (CFFFont CFF_)))
 
 #|
@@ -14,21 +14,22 @@ https://github.com/mbutterick/fontkit/blob/master/src/cff/CFFFont.js
   (class x:base%
     (super-new)
 
-    (define/augride (decode stream parent)
+    (augride [@decode decode])
+    (define (@decode stream parent)
       (define cff-font (make-hasheq))
           
       (hash-set! cff-font 'stream stream)
           
-      (for ([(k v) (in-hash (send CFFTop decode stream))])
+      (for ([(k v) (in-hash (decode CFFTop stream))])
            (hash-set! cff-font k v))
           
       ;; because fontkit depends on overloading 'version key, and we don't
-      #;(hash-set! cff-font 'version (hash-ref cff-font 'x:version))
+      (hash-set! cff-font 'version (hash-ref cff-font 'x:version))
 
       #;(when (and (hash-has-key? cff-font 'version) (< (hash-ref cff-font 'version) 2))
-          (match (hash-ref cff-font 'topDictIndex)
-            [(list dict) (hash-set! cff-font 'topDict dict)]
-            [_ (error 'only-single-font-allowed-in-cff)]))
+        (match (hash-ref cff-font 'topDictIndex)
+          [(list dict) (hash-set! cff-font 'topDict dict)]
+          [_ (error 'only-single-font-allowed-in-cff)]))
 
       #;(hash-set! cff-font 'isCIDFont (hash-ref (hash-ref cff-font 'topDict) 'ROS))
       cff-font)))
@@ -47,10 +48,10 @@ https://github.com/mbutterick/fontkit/blob/master/src/cff/CFFFont.js
   (define ip (open-input-file fira-otf-path))
   (define cff-bytes (peek-bytes cff-length cff-offset ip))
   (define cff-font (decode CFFFont cff-bytes))
-  #;(check-equal? (hash-ref cff-font 'length) 13)
-  #;(check-equal? (hash-ref cff-font 'hdrSize) 4)
-  #;(check-equal? (hash-ref cff-font 'offSize) 3)
-  #;(check-equal? (hash-ref cff-font 'nameIndex) '("FiraSans-Book"))
-  #;(check-equal? (hash-ref cff-font 'length) (string-length (car (hash-ref cff-font 'nameIndex))))
-  #;cff-font
+  (check-equal? (hash-ref cff-font 'length) 13)
+  (check-equal? (hash-ref cff-font 'hdrSize) 4)
+  (check-equal? (hash-ref cff-font 'offSize) 3)
+  (check-equal? (hash-ref cff-font 'nameIndex) '("FiraSans-Book"))
+  (check-equal? (hash-ref cff-font 'length) (string-length (car (hash-ref cff-font 'nameIndex))))
+  cff-font
   )
\ No newline at end of file
diff --git a/fontland/fontland/table/cff/cff-index.rkt b/fontland/fontland/table/cff/cff-index.rkt
index cff15dc0..c7a5c71e 100644
--- a/fontland/fontland/table/cff/cff-index.rkt
+++ b/fontland/fontland/table/cff/cff-index.rkt
@@ -21,12 +21,12 @@
       (match (decode (if (>= (getCFFVersion parent) 2) uint32be uint16be) stream)
         [0 null]
         [count (define offSize (decode uint8 stream))
-               (define offsetType (case offSize
-                                    [(1) uint8]
-                                    [(2) uint16be]
-                                    [(3) uint24be]
-                                    [(4) uint32be]
-                                    [else (error 'bad-offset-size-in-CFFIndex)]))
+               (define offsetType (match offSize
+                                    [1 uint8]
+                                    [2 uint16be]
+                                    [3 uint24be]
+                                    [4 uint32be]
+                                    [_ (error 'bad-offset-size-in-CFFIndex)]))
                (define startPos (+ (pos stream) (* (add1 count) offSize) -1))
                (for/fold ([vals null]
                           [start (decode offsetType stream)]