38 lines
1.0 KiB
Scheme
38 lines
1.0 KiB
Scheme
(define-structure servlet servlet-interface
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(open scheme-with-scsh
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servlets
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crlf-io)
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(begin
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(define *data* '())
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(define (read-data)
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(let ((news-input (open-input-file "news.txt")))
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(let loop ((next-line (read-crlf-line news-input)))
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(if (eof-object? next-line)
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(close news-input)
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(begin
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(set! *data* (cons next-line *data*))
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(loop (read-crlf-line news-input)))))))
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(define (main req)
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(if (null? *data*) (read-data))
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(let loop ((count (- (length *data*) 1)))
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(if (< count 0)
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(send-html/finish
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`(html (body (p (h1 "THAT'S IT"))
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(p ("That's it..."))
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(hr)
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(p (URL "news.scm" "See news again.") (br)
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(URL "/" "Return to main menu.")))))
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(begin
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(send-html/suspend
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(lambda (next-url)
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`(html (body (p (h1 ,(list-ref *data* count)))
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(a (@ href ,next-url) "read more...")
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(hr)
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(p (URL "news.scm" "See news again from beginning.") (br)
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(URL "/" "Return to main menu."))))))
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(loop (- count 1))))))
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))
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