Function: diary-icalendar-parse-weekday-name
diary-icalendar-parse-weekday-name is a byte-compiled function defined
in diary-icalendar.el.gz.
Signature
(diary-icalendar-parse-weekday-name)
Documentation
Parse a weekday name on the current line.
The day name must appear in calendar-day-name-array or
calendar-day-abbrev-array. If a day name is found, move the current
restriction past it, and return a day number between 0 (=Sunday) and
6 (=Saturday). Otherwise, return nil.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/diary-icalendar.el.gz
(defun di:parse-weekday-name ()
"Parse a weekday name on the current line.
The day name must appear in `calendar-day-name-array' or
`calendar-day-abbrev-array'. If a day name is found, move the current
restriction past it, and return a day number between 0 (=Sunday) and
6 (=Saturday). Otherwise, return nil."
(goto-char (point-min))
(let ((day-names-regexp
(rx line-start
(zero-or-one (regexp diary-nonmarking-symbol))
(group-n 1
(regexp (diary-name-pattern calendar-day-name-array
calendar-day-abbrev-array))))))
(when (re-search-forward day-names-regexp (line-end-position) t)
(let ((day-name (capitalize (match-string 1))))
(narrow-to-region (match-end 0) (point-max))
(alist-get
day-name
(calendar-make-alist calendar-day-name-array 0 nil
calendar-day-abbrev-array
(mapcar (lambda (e) (format "%s." e))
calendar-day-abbrev-array))
nil nil #'equal)))))