master
Matthew Butterick 4 years ago
parent 9b7edaf7d2
commit 3d8a6e28c2

@ -1,6 +1,5 @@
#lang debug racket/base
(require racket/list
racket/file
"index.rkt")
(define (make-words #:letters [letters "etaoinshrdluw"]
@ -14,23 +13,21 @@
#:initial-caps [initial-caps? #f])
(define mandatory-cs
(if mandatory (remove-duplicates (for/list ([c (in-string mandatory)])
(char-downcase c)) char=?) null))
(char-downcase c)) char=?) null))
(define letter-cs-charidx
(word->charidx
(list->string
(remove-duplicates
(append (if letters
(for/list ([c (in-string letters)])
(char-downcase c))
(char-downcase c))
null)
mandatory-cs)
char=?))))
(define caer (cond
[all-caps? string-upcase]
[initial-caps? string-titlecase]
[else values]))
(define caser (cond
[all-caps? string-upcase]
[initial-caps? string-titlecase]
[else values]))
(for*/fold ([word-acc null]
[count 0]
#:result word-acc)
@ -44,10 +41,10 @@
;; word contains each mandatory char, case-insensitive
(or (not mandatory)
(for/and ([mc (in-list mandatory-cs)])
(word-charidx . contains-char? . mc)))
(word-charidx . contains-char? . mc)))
;; word contains only letters + mandatory, case-insensitive
(for/and ([wc (in-list (map char-downcase (charidx->chars word-charidx)))])
(letter-cs-charidx . contains-char? . wc))
(letter-cs-charidx . contains-char? . wc))
;; maybe only proper names
(if proper-names?
(capitalized? word-charidx)
@ -55,7 +52,7 @@
;; maybe hide plurals
(or (not hide-plurals?)
(not (word-rec-plural? rec)))))
(values (cons (caer (word-rec-word rec)) word-acc) (add1 count))))
(values (cons (caser (word-rec-word rec)) word-acc) (add1 count))))
(module+ test
(require rackunit)

Loading…
Cancel
Save