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;;; Preliminary config file for the system.
;;; Currently loaded by main, and requires that `calendar-files`
;;; is set to a list of files (or directories).
(use-modules (ice-9 regex)
(sxml simple)
)
(set-config! 'calendar-files (glob "~/.local/var/cal/*"))
(define my-courses
'((TSEA82 . "Datorteknik")
(TFYA19 . "Kvantdatorer")
(TATA42 . "Tvåvarren")
(TSRT04 . "Matlab")
(TDDC78 . "Paralellprogrammering")
(TDDB68 . "Pintos")))
(define* (aref alist key optional: default)
(or (assoc-ref alist key) default key))
(set-config! 'summary-filter
(lambda (ev str)
(regexp-substitute/global
#f "T[A-Z]{3}[0-9]{2}" str
'pre (lambda (m) (aref my-courses (string->symbol (match:substring m))))
'post)))
(define (a link) `(a (@ (href ,link)) ,link))
(define (parse-html str)
(catch 'misc-error
;; resolve-interface throws misc-error on missing module.
;; TODO what does html->sxml throw?
(lambda ()
(let* ((gumbo (resolve-interface '(sxml gumbo)))
(html->sxml (module-ref gumbo 'html->sxml)))
(html->sxml str)))
;; Give up on parsing
(lambda _ str)))
(define (parse-links str)
(define regexp (make-regexp "https?://\\S+"))
(let recur ((str str))
(let ((m (regexp-exec regexp str)))
(if (not m)
(list str)
(cons* (match:prefix m)
(a (match:substring m))
(recur (match:suffix m)))))))
(define (parse-teams-description str)
(map (lambda (line)
(let loop ((line line))
(cond [(string-match "^_+$" line)
'((hr) (br))]
;; hyperlinks go from start of line,
;; or from last pipe character
[(string-match "([^|<]*)<([^>]*)>" line)
=> (lambda (m)
(cons*
(match:prefix m)
`(a (@ (href ,(match:substring m 2)))
,(match:substring m 1))
(loop (match:suffix m))))]
;; square brackets are images
[(string-match "\\[([^]]+)\\]" line)
=> (lambda (m)
(cons*
(match:prefix m)
`(img (@ (src ,(match:substring m 1))))
(loop (match:suffix m))))]
;; Either the full line, or the remainder
;; after hyperlink and img match.
[else (list line '(br))])))
(string-split str #\newline)))
(define html-cals
'("D-sektionens officiella kalender"
"LiTHe kod"
"Klassfadder 2020"))
(set-config! 'description-filter
(lambda (ev str)
(cond [(member (prop (parent ev) 'NAME)
html-cals
)
(parse-html (regexp-substitute/global
#f "<br>" str
'pre "<br/>" 'post))]
[(prop ev 'X-MICROSOFT-SKYPETEAMSMEETINGURL)
(parse-teams-description str)]
[else (parse-links str)])))
(set-config! 'week-start mon)
(set-config! 'default-calendar "Calendar")
(set-config! 'path-prefix (car (glob "~/.local")))
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