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(define-module (skribe-utils)
#:use-module (ice-9 match) ; match-lambda
#:use-module (srfi srfi-1) ; list stuff
#:export (email
~
---
table
lyrics
ref
figure
wide-img))
(define (email address)
"Obfuscate a given email ADDRESS."
`(span (@ (class "obfuscated"))
,(string-map (lambda (c) (integer->char (+ 1 (char->integer c))))
address)))
(define (~)
"Non-breaking space."
(string #\240))
(define (---)
"Em dash." "—")
(define* (table #:key (align '()) headers rows)
"Build HTML tables more easily."
(let ((alignment (append align
(make-list (- (length headers)
(length align))
"left"))))
(define (make-row fields)
`(tr ,(map (match-lambda
((field alignment)
`(td (@ (align ,alignment)) ,field)))
(zip fields alignment))))
(define (make-header fields)
`(tr (@ (class "header"))
,(map (match-lambda
((field alignment)
`(th (@ (align ,alignment)) ,field)))
(zip fields alignment))))
`(table
(thead ,(make-header headers))
(tbody ,(map make-row rows)))))
(define (lyrics . contents)
`(pre (@ (class "lyrics")) ,contents))
(define (ref url text)
`(a (@ (href ,url)) ,text))
(define (figure file caption)
`(div (@ (class "figure"))
(img (@ (src ,(if (string-prefix? "/" file)
file
(string-append "/images/posts/" file)))
(alt ,caption)))
(p (@ (class "caption")) ,caption)))
(define (wide-img file alt)
`(img (@ (class "full stretch")
(src ,(if (string-prefix? "/" file)
file
(string-append "/images/posts/" file)))
(alt ,alt))))
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