67 lines
1.7 KiB
Scheme
67 lines
1.7 KiB
Scheme
(module io (display-newline display-lines show adventure-prompt prompt prompt-default prompt-yn)
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(import scheme)
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(import chicken.base)
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(import srfi-1)
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(import srfi-13)
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(import fmt)
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(import fmt-color)
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(import breadline)
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(import ncurses)
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(import util)
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(import comparse)
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(import parse)
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(define display-newline
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(compose (just newline) display))
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(define (display-lines ln)
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(perhaps (curry map display-newline) ln))
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(define (show str)
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(fmt #t (dsp (wrap-lines str))))
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(define (prompt str)
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(newline)
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(let ((result (readline str)))
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(if (equal? "" result)
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(prompt str)
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(begin
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(add-history! result)
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result))))
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(define (prompt-yn str)
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(newline)
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(let ((result (string-downcase (readline str))))
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(cond ((equal? "yes" result) #t)
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((equal? "no" result) #f)
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(else (begin
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(newline)
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(display "Please answer yes or no.")
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(prompt-yn str))))))
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(define (prompt-default str default)
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(map stuff-char (string->list default))
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(let loop ()
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(let ((result (readline str)))
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(if (equal? "" result)
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(loop)
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result))))
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(define +articles-prepositions+
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'(a an the into on to at as))
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(define (adventure-prompt)
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(let ((result (parse-line (prompt "> "))))
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(if result
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(let ((grug-result (filter (compose not (cut member <> +articles-prepositions+)) result)))
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(if (not (null? grug-result))
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grug-result
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(begin (display "I didn't quite understand that.")
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(adventure-prompt))))
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(begin (display "I didn't quite understand that.")
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(adventure-prompt))))))
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; (define parse-formatter
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; (recursive-parser (one-or-more (any-of (followed-by-consuming (char-seq "<b>") (lift fmt-bold parser))
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; (is-not #\<))))))
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