40 lines
1.6 KiB
Scheme
40 lines
1.6 KiB
Scheme
(module markov
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(make-table-from-file
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guess-sentence
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generate-next-word
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join-verses
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seed-from-entropy)
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(import scheme (chicken base) srfi-69
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(chicken format)
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(chicken random))
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(define (seed-from-entropy)
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(set-pseudo-random-seed! (random-bytes)))
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(define (join-verses* lst str book chapter verse)
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(if (null? lst)
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str
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(let* ((cur (car lst))
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(first-character (if (= (string-length cur) 0)
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#f
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(string-ref cur 0)))
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(rest (cdr lst)))
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(cond
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((not (char? first-character)) (join-verses* rest str
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book chapter verse))
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((equal? cur "startofbook")
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(join-verses* rest (sprintf "~A~%~%~%" str) (+ book 1) 1 1))
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((equal? cur "startofchapter")
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(join-verses* rest (sprintf "~A~%~%" str) book (+ 1 chapter) 1))
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((equal? cur "startofverse")
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(join-verses* rest (sprintf "~A~%~A:~A:~A"
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str book chapter verse)
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book chapter (+ 1 verse)))
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((or (char-alphabetic? first-character)
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(char-numeric? first-character))
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(join-verses* rest (string-append str " " cur)
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book chapter verse))
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(else (join-verses* rest (string-append str cur)
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book chapter verse))))))
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(define (join-verses lst)
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(string-append (join-verses* lst "THE BOOK OF MARKOV" 1 0 1)
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"\n"))
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(include "markov.impl.scm")) |