This commit is contained in:
Lassi Kortela 2022-09-25 17:16:22 +03:00
parent 2e98664072
commit e531778723
1 changed files with 42 additions and 39 deletions

View File

@ -5,11 +5,9 @@
(define rest cdr)
(define (string-join list delimiter)
(if (null? list)
""
(fold (lambda (item result) (string-append result delimiter item))
(first list)
(rest list))))
(fold (lambda (item result) (string-append result delimiter item))
(first list)
(rest list)))
(define (capitalize str)
(string-append (string (ascii-upcase (string-ref str 0)))
@ -44,31 +42,30 @@
(cons (string-copy str a b) words)
words))
(let loop ((a 0) (b 0) (words '()))
(cond ((= b (string-length str))
(reverse (eject a b words)))
(else
(let* ((char (string-ref str b))
(name* (assoc char names))
(name (and name* (second name*))))
(cond ((and (char=? #\- char)
(< b (- (string-length str) 1)))
(loop (+ b 1)
(+ b 1)
(eject a b words)))
((and (char=? #\> char)
(not (null? words))
(= a b))
(loop (+ b 1)
(+ b 1)
(cons "to" words)))
(name
(loop (+ b 1)
(+ b 1)
(cons name (eject a b words))))
((ascii-alphanumeric? char)
(loop a (+ b 1) words))
(else
(error "What?" char))))))))
(if (= b (string-length str))
(reverse (eject a b words))
(let* ((char (string-ref str b))
(name* (assoc char names))
(name (and name* (second name*))))
(cond ((and (char=? #\- char)
(< b (- (string-length str) 1)))
(loop (+ b 1)
(+ b 1)
(eject a b words)))
((and (char=? #\> char)
(not (null? words))
(= a b))
(loop (+ b 1)
(+ b 1)
(cons "to" words)))
(name
(loop (+ b 1)
(+ b 1)
(cons name (eject a b words))))
((ascii-alphanumeric? char)
(loop a (+ b 1) words))
(else
(error "What?" char)))))))
(define (translate-camel str)
(string-join (map capitalize (translate-words str))
@ -89,19 +86,25 @@
(write-string file)
(newline))
(define (write-two-column-list list1 list2)
(let ((width (fold max 0 (map string-length list1))))
(for-each (lambda (item1 item2)
(let ((pad (max 0 (- width (string-length item1)))))
(write-string item1)
(write-string (make-string (+ pad 2) #\space))
(write-string item2)
(newline)))
list1
list2)))
(define (process translate from-file to-file)
(let* ((lines (with-input-from-file from-file read-all-lines))
(width (fold max 0 (map string-length lines))))
(let* ((source-lines (with-input-from-file from-file read-all-lines))
(target-lines (map translate source-lines)))
(writing to-file)
(with-output-to-file to-file
(lambda ()
(for-each (lambda (line)
(let ((pad (max 0 (- width (string-length line)))))
(write-string line)
(write-string (make-string (+ pad 2) #\space))
(write-string (translate line))
(newline)))
lines)))))
(write-two-column-list source-lines
target-lines)))))
(define (main)
(define sa string-append)