You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
2.3 KiB
Racket
48 lines
2.3 KiB
Racket
#lang debug racket/base
|
|
(require racket/list
|
|
racket/file
|
|
"words.rkt"
|
|
"length-index.rkt"
|
|
"char-index.rkt")
|
|
|
|
(define (wordlist #:letters [letters "etaoinshrdluw"]
|
|
#:mandatory [mandatory #f]
|
|
#:min [min-length 5]
|
|
#:max [max-length 10]
|
|
#:hide-plurals [hide-plurals? #f]
|
|
#:proper-names [proper-names? #f]
|
|
#:random [random #t]
|
|
#:max-words [max-words 10]
|
|
#:all-caps [all-caps? #f]
|
|
#:initial-caps [initial-caps? #f])
|
|
(define mandatory-cs (if mandatory (string->list mandatory) null))
|
|
(define letter-cs (append (if letters (string->list letters) null) mandatory-cs))
|
|
(for*/fold ([ws null]
|
|
[count 0]
|
|
#:result (map (cond
|
|
[all-caps? string-upcase]
|
|
[initial-caps? string-titlecase]
|
|
[else values]) ws))
|
|
([idx (in-list ((if random shuffle values) (range (vector-length usable-words))))]
|
|
[w (in-value (vector-ref usable-words idx))]
|
|
[w-charidx (in-value (vector-ref charidx idx))]
|
|
[w-lengthidx (in-value (vector-ref lengthidx idx))]
|
|
#:break (= count (or max-words +inf.0))
|
|
#:when (and
|
|
;; between min and max length
|
|
((if (<= min-length max-length) <= >=) min-length w-lengthidx max-length)
|
|
;; contains each mandatory, case-insensitive
|
|
(or (not mandatory)
|
|
(for/or ([c (in-list (map char-downcase (charidx->chars w-charidx)))])
|
|
(memv c mandatory-cs)))
|
|
;; contains only letters + mandatory, case-insensitive
|
|
(for/and ([c (in-list (map char-downcase (charidx->chars w-charidx)))])
|
|
(memv c letter-cs))
|
|
;; maybe only proper names
|
|
(if proper-names? (capitalized? w-charidx) (not (capitalized? w-charidx)))
|
|
;; maybe hide plurals
|
|
(if hide-plurals? (not (regexp-match #rx"s$" w)) #t)))
|
|
(values (cons w ws) (add1 count))))
|
|
|
|
(module+ test
|
|
(time (wordlist))) |