;; week of the year 2000 when they are exported.
;; - Yearly diary entries are assumed to occur the first time in the year
;; 1900 when they are exported.
+;; - Float diary entries are assumed to occur the first time on the
+;; day when they are exported.
;;; History:
;; all the other libs we need
;; ======================================================================
(require 'calendar)
+(require 'diary-lib)
;; ======================================================================
;; misc
current iCalendar object, as a string. Increase
`icalendar--uid-count'. Returns the UID string."
(let ((uid icalendar-uid-format))
-
- (setq uid (replace-regexp-in-string
- "%c"
- (format "%d" icalendar--uid-count)
- uid t t))
- (setq icalendar--uid-count (1+ icalendar--uid-count))
- (setq uid (replace-regexp-in-string
- "%t"
- (format "%d%d%d" (car (current-time))
- (cadr (current-time))
- (car (cddr (current-time))))
- uid t t))
- (setq uid (replace-regexp-in-string
- "%h"
- (format "%d" (abs (sxhash entry-full))) uid t t))
- (setq uid (replace-regexp-in-string
- "%u" (or user-login-name "UNKNOWN_USER") uid t t))
- (let ((dtstart (if (string-match "^DTSTART[^:]*:\\([0-9]*\\)" contents)
- (substring contents (match-beginning 1) (match-end 1))
- "DTSTART")))
- (setq uid (replace-regexp-in-string "%s" dtstart uid t t)))
+ (if
+ ;; Allow other apps (such as org-mode) to create its own uid
+ (get-text-property 0 'uid entry-full)
+ (setq uid (get-text-property 0 'uid entry-full))
+ (setq uid (replace-regexp-in-string
+ "%c"
+ (format "%d" icalendar--uid-count)
+ uid t t))
+ (setq icalendar--uid-count (1+ icalendar--uid-count))
+ (setq uid (replace-regexp-in-string
+ "%t"
+ (format "%d%d%d" (car (current-time))
+ (cadr (current-time))
+ (car (cddr (current-time))))
+ uid t t))
+ (setq uid (replace-regexp-in-string
+ "%h"
+ (format "%d" (abs (sxhash entry-full))) uid t t))
+ (setq uid (replace-regexp-in-string
+ "%u" (or user-login-name "UNKNOWN_USER") uid t t))
+ (let ((dtstart (if (string-match "^DTSTART[^:]*:\\([0-9]*\\)" contents)
+ (substring contents (match-beginning 1) (match-end 1))
+ "DTSTART")))
+ (setq uid (replace-regexp-in-string "%s" dtstart uid t t))))
;; Return the UID string
uid))
nil))
(defun icalendar--convert-float-to-ical (nonmarker entry-main)
- "Convert float diary entry to icalendar format -- unsupported!
-
-FIXME!
-
-NONMARKER is a regular expression matching the start of non-marking
-entries. ENTRY-MAIN is the first line of the diary entry."
- (if (string-match (concat nonmarker
- "%%(diary-float \\([^)]+\\))\\s-*\\(.*?\\) ?$")
- entry-main)
- (progn
- (icalendar--dmsg "diary-float %s" entry-main)
- (error "`diary-float' is not supported yet"))
+ "Convert float diary entry to icalendar format -- partially unsupported!
+
+ FIXME! DAY from diary-float yet unimplemented.
+
+ NONMARKER is a regular expression matching the start of non-marking
+ entries. ENTRY-MAIN is the first line of the diary entry."
+ (if (string-match (concat nonmarker "%%\\((diary-float .+\\) ?$") entry-main)
+ (with-temp-buffer
+ (insert (match-string 1 entry-main))
+ (goto-char (point-min))
+ (let* ((sexp (read (current-buffer))) ;using `read' here
+ ;easier than regexp
+ ;matching, esp. with
+ ;different forms of
+ ;MONTH
+ (month (nth 1 sexp))
+ (dayname (nth 2 sexp))
+ (n (nth 3 sexp))
+ (day (nth 4 sexp))
+ (summary
+ (replace-regexp-in-string
+ "\\(^\s+\\|\s+$\\)" ""
+ (buffer-substring (point) (point-max)))))
+
+ (when day
+ (progn
+ (icalendar--dmsg "diary-float %s" entry-main)
+ (error "Don't know if or how to implement day in `diary-float'")))
+
+ (list (concat
+ ;;Start today (yes this is an arbitrary choice):
+ "\nDTSTART;VALUE=DATE:"
+ (format-time-string "%Y%m%d" (current-time))
+ ;;BUT remove today if `diary-float'
+ ;;expression does not hold true for today:
+ (when
+ (null (let ((date (calendar-current-date))
+ (entry entry-main))
+ (diary-float month dayname n)))
+ (concat
+ "\nEXDATE;VALUE=DATE:"
+ (format-time-string "%Y%m%d" (current-time))))
+ "\nRRULE:"
+ (if (or (numberp month) (listp month))
+ "FREQ=YEARLY;BYMONTH="
+ "FREQ=MONTHLY")
+ (when
+ (listp month)
+ (mapconcat
+ (lambda (m)
+ (number-to-string m))
+ (cadr month) ","))
+ (when
+ (numberp month)
+ (number-to-string month))
+ ";BYDAY="
+ (number-to-string n)
+ (aref icalendar--weekday-array dayname))
+ summary)))
;; no match
nil))