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Diffstat (limited to 'lisp/calendar/diary-lib.el')
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diff --git a/lisp/calendar/diary-lib.el b/lisp/calendar/diary-lib.el new file mode 100644 index 00000000000..73f8315d086 --- /dev/null +++ b/lisp/calendar/diary-lib.el @@ -0,0 +1,1373 @@ +;;; diary.el --- diary functions. + +;; Copyright (C) 1989, 1990, 1992, 1993, 1994, 1995 Free Software Foundation, +;; Inc. + +;; Author: Edward M. Reingold <reingold@cs.uiuc.edu> +;; Keywords: calendar + +;; This file is part of GNU Emacs. + +;; GNU Emacs is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 2, or (at your option) +;; any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs; see the file COPYING. If not, write to +;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +;;; Commentary: + +;; This collection of functions implements the diary features as described +;; in calendar.el. + +;; Comments, corrections, and improvements should be sent to +;; Edward M. Reingold Department of Computer Science +;; (217) 333-6733 University of Illinois at Urbana-Champaign +;; reingold@cs.uiuc.edu 1304 West Springfield Avenue +;; Urbana, Illinois 61801 + +;;; Code: + +(require 'calendar) + +;;;###autoload +(defun diary (&optional arg) + "Generate the diary window for ARG days starting with the current date. +If no argument is provided, the number of days of diary entries is governed +by the variable `number-of-diary-entries'. This function is suitable for +execution in a `.emacs' file." + (interactive "P") + (let ((d-file (substitute-in-file-name diary-file)) + (date (calendar-current-date))) + (if (and d-file (file-exists-p d-file)) + (if (file-readable-p d-file) + (list-diary-entries + date + (cond + (arg (prefix-numeric-value arg)) + ((vectorp number-of-diary-entries) + (aref number-of-diary-entries (calendar-day-of-week date))) + (t number-of-diary-entries))) + (error "Your diary file is not readable!")) + (error "You don't have a diary file!")))) + +(defun view-diary-entries (arg) + "Prepare and display a buffer with diary entries. +Searches the file named in `diary-file' for entries that +match ARG days starting with the date indicated by the cursor position +in the displayed three-month calendar." + (interactive "p") + (let ((d-file (substitute-in-file-name diary-file))) + (if (and d-file (file-exists-p d-file)) + (if (file-readable-p d-file) + (list-diary-entries (calendar-cursor-to-date t) arg) + (error "Diary file is not readable!")) + (error "You don't have a diary file!")))) + +(defun view-other-diary-entries (arg diary-file) + "Prepare and display buffer of diary entries from an alternative diary file. +Prompts for a file name and searches that file for entries that match ARG +days starting with the date indicated by the cursor position in the displayed +three-month calendar." + (interactive + (list (cond ((null current-prefix-arg) 1) + ((listp current-prefix-arg) (car current-prefix-arg)) + (t current-prefix-arg)) + (setq diary-file (read-file-name "Enter diary file name: " + default-directory nil t)))) + (view-diary-entries arg)) + +(autoload 'check-calendar-holidays "holidays" + "Check the list of holidays for any that occur on DATE. +The value returned is a list of strings of relevant holiday descriptions. +The holidays are those in the list `calendar-holidays'." + t) + +(autoload 'calendar-holiday-list "holidays" + "Form the list of holidays that occur on dates in the calendar window. +The holidays are those in the list `calendar-holidays'." + t) + +(autoload 'diary-french-date "cal-french" + "French calendar equivalent of date diary entry." + t) + +(autoload 'diary-mayan-date "cal-mayan" + "Mayan calendar equivalent of date diary entry." + t) + +(autoload 'diary-julian-date "cal-julian" + "Julian calendar equivalent of date diary entry." + t) + +(autoload 'diary-astro-day-number "cal-julian" + "Astronomical (Julian) day number diary entry." + t) + +(autoload 'diary-chinese-date "cal-chinese" + "Chinese calendar equivalent of date diary entry." + t) + +(autoload 'diary-islamic-date "cal-islamic" + "Islamic calendar equivalent of date diary entry." + t) + +(autoload 'list-islamic-diary-entries "cal-islamic" + "Add any Islamic date entries from the diary file to `diary-entries-list'." + t) + +(autoload 'mark-islamic-diary-entries "cal-islamic" + "Mark days in the calendar window that have Islamic date diary entries." + t) + +(autoload 'mark-islamic-calendar-date-pattern "cal-islamic" + "Mark dates in calendar window that conform to Islamic date MONTH/DAY/YEAR." + t) + +(autoload 'diary-hebrew-date "cal-hebrew" + "Hebrew calendar equivalent of date diary entry." + t) + +(autoload 'diary-omer "cal-hebrew" + "Omer count diary entry." + t) + +(autoload 'diary-yahrzeit "cal-hebrew" + "Yahrzeit diary entry--entry applies if date is yahrzeit or the day before." + t) + +(autoload 'diary-parasha "cal-hebrew" + "Parasha diary entry--entry applies if date is a Saturday." + t) + +(autoload 'diary-rosh-hodesh "cal-hebrew" + "Rosh Hodesh diary entry." + t) + +(autoload 'list-hebrew-diary-entries "cal-hebrew" + "Add any Hebrew date entries from the diary file to `diary-entries-list'." + t) + +(autoload 'mark-hebrew-diary-entries "cal-hebrew" + "Mark days in the calendar window that have Hebrew date diary entries." + t) + +(autoload 'mark-hebrew-calendar-date-pattern "cal-hebrew" + "Mark dates in calendar window that conform to Hebrew date MONTH/DAY/YEAR." + t) + +(autoload 'diary-coptic-date "cal-coptic" + "Coptic calendar equivalent of date diary entry." + t) + +(autoload 'diary-ethiopic-date "cal-coptic" + "Ethiopic calendar equivalent of date diary entry." + t) + +(autoload 'diary-phases-of-moon "lunar" "Moon phases diary entry." t) + +(autoload 'diary-sunrise-sunset "solar" + "Local time of sunrise and sunset as a diary entry." + t) + +(autoload 'diary-sabbath-candles "solar" + "Local time of candle lighting diary entry--applies if date is a Friday. +No diary entry if there is no sunset on that date." + t) + +(defvar diary-syntax-table (copy-syntax-table (standard-syntax-table)) + "The syntax table used when parsing dates in the diary file. +It is the standard syntax table used in Fundamental mode, but with the +syntax of `*' changed to be a word constituent.") + +(modify-syntax-entry ?* "w" diary-syntax-table) + +(defun list-diary-entries (date number) + "Create and display a buffer containing the relevant lines in diary-file. +The arguments are DATE and NUMBER; the entries selected are those +for NUMBER days starting with date DATE. The other entries are hidden +using selective display. + +Returns a list of all relevant diary entries found, if any, in order by date. +The list entries have the form ((month day year) string). If the variable +`diary-list-include-blanks' is t, this list includes a dummy diary entry +\(consisting of the empty string) for a date with no diary entries. + +After the list is prepared, the hooks `nongregorian-diary-listing-hook', +`list-diary-entries-hook', `diary-display-hook', and `diary-hook' are run. +These hooks have the following distinct roles: + + `nongregorian-diary-listing-hook' can cull dates from the diary + and each included file. Usually used for Hebrew or Islamic + diary entries in files. Applied to *each* file. + + `list-diary-entries-hook' adds or manipulates diary entries from + external sources. Used, for example, to include diary entries + from other files or to sort the diary entries. Invoked *once* only, + before the display hook is run. + + `diary-display-hook' does the actual display of information. If this is + nil, simple-diary-display will be used. Use add-hook to set this to + fancy-diary-display, if desired. If you want no diary display, use + add-hook to set this to ignore. + + `diary-hook' is run last. This can be used for an appointment + notification function." + + (if (< 0 number) + (let* ((original-date date);; save for possible use in the hooks + (old-diary-syntax-table) + (diary-entries-list) + (date-string (calendar-date-string date)) + (d-file (substitute-in-file-name diary-file))) + (message "Preparing diary...") + (save-excursion + (let ((diary-buffer (get-file-buffer d-file))) + (set-buffer (if diary-buffer + diary-buffer + (find-file-noselect d-file t)))) + (setq selective-display t) + (setq selective-display-ellipses nil) + (setq old-diary-syntax-table (syntax-table)) + (set-syntax-table diary-syntax-table) + (unwind-protect + (let ((buffer-read-only nil) + (diary-modified (buffer-modified-p)) + (mark (regexp-quote diary-nonmarking-symbol))) + (goto-char (1- (point-max))) + (if (not (looking-at "\^M\\|\n")) + (progn + (forward-char 1) + (insert-string "\^M"))) + (goto-char (point-min)) + (if (not (looking-at "\^M\\|\n")) + (insert-string "\^M")) + (subst-char-in-region (point-min) (point-max) ?\n ?\^M t) + (calendar-for-loop i from 1 to number do + (let ((d diary-date-forms) + (month (extract-calendar-month date)) + (day (extract-calendar-day date)) + (year (extract-calendar-year date)) + (entry-found (list-sexp-diary-entries date))) + (while d + (let* + ((date-form (if (equal (car (car d)) 'backup) + (cdr (car d)) + (car d))) + (backup (equal (car (car d)) 'backup)) + (dayname + (concat + (calendar-day-name date) "\\|" + (substring (calendar-day-name date) 0 3) ".?")) + (monthname + (concat + "\\*\\|" + (calendar-month-name month) "\\|" + (substring (calendar-month-name month) 0 3) ".?")) + (month (concat "\\*\\|0*" (int-to-string month))) + (day (concat "\\*\\|0*" (int-to-string day))) + (year + (concat + "\\*\\|0*" (int-to-string year) + (if abbreviated-calendar-year + (concat "\\|" (int-to-string (% year 100))) + ""))) + (regexp + (concat + "\\(\\`\\|\^M\\|\n\\)" mark "?\\(" + (mapconcat 'eval date-form "\\)\\(") + "\\)")) + (case-fold-search t)) + (goto-char (point-min)) + (while (re-search-forward regexp nil t) + (if backup (re-search-backward "\\<" nil t)) + (if (and (or (char-equal (preceding-char) ?\^M) + (char-equal (preceding-char) ?\n)) + (not (looking-at " \\|\^I"))) + ;; Diary entry that consists only of date. + (backward-char 1) + ;; Found a nonempty diary entry--make it visible and + ;; add it to the list. + (setq entry-found t) + (let ((entry-start (point)) + (date-start)) + (re-search-backward "\^M\\|\n\\|\\`") + (setq date-start (point)) + (re-search-forward "\^M\\|\n" nil t 2) + (while (looking-at " \\|\^I") + (re-search-forward "\^M\\|\n" nil t)) + (backward-char 1) + (subst-char-in-region date-start + (point) ?\^M ?\n t) + (add-to-diary-list + date (buffer-substring entry-start (point))))))) + (setq d (cdr d))) + (or entry-found + (not diary-list-include-blanks) + (setq diary-entries-list + (append diary-entries-list + (list (list date ""))))) + (setq date + (calendar-gregorian-from-absolute + (1+ (calendar-absolute-from-gregorian date)))) + (setq entry-found nil))) + (set-buffer-modified-p diary-modified)) + (set-syntax-table old-diary-syntax-table)) + (goto-char (point-min)) + (run-hooks 'nongregorian-diary-listing-hook + 'list-diary-entries-hook) + (if diary-display-hook + (run-hooks 'diary-display-hook) + (simple-diary-display)) + (run-hooks 'diary-hook) + diary-entries-list)))) + +(defun include-other-diary-files () + "Include the diary entries from other diary files with those of diary-file. +This function is suitable for use in `list-diary-entries-hook'; +it enables you to use shared diary files together with your own. +The files included are specified in the diaryfile by lines of this form: + #include \"filename\" +This is recursive; that is, #include directives in diary files thus included +are obeyed. You can change the `#include' to some other string by +changing the variable `diary-include-string'." + (goto-char (point-min)) + (while (re-search-forward + (concat + "\\(\\`\\|\^M\\|\n\\)" + (regexp-quote diary-include-string) + " \"\\([^\"]*\\)\"") + nil t) + (let ((diary-file (substitute-in-file-name + (buffer-substring (match-beginning 2) (match-end 2)))) + (diary-list-include-blanks nil) + (list-diary-entries-hook 'include-other-diary-files) + (diary-display-hook 'ignore) + (diary-hook nil)) + (if (file-exists-p diary-file) + (if (file-readable-p diary-file) + (unwind-protect + (setq diary-entries-list + (append diary-entries-list + (list-diary-entries original-date number))) + (kill-buffer (get-file-buffer diary-file))) + (beep) + (message "Can't read included diary file %s" diary-file) + (sleep-for 2)) + (beep) + (message "Can't find included diary file %s" diary-file) + (sleep-for 2)))) + (goto-char (point-min))) + +(defun simple-diary-display () + "Display the diary buffer if there are any relevant entries or holidays." + (let* ((holiday-list (if holidays-in-diary-buffer + (check-calendar-holidays original-date))) + (msg (format "No diary entries for %s %s" + (concat date-string (if holiday-list ":" "")) + (mapconcat 'identity holiday-list "; ")))) + (if (or (not diary-entries-list) + (and (not (cdr diary-entries-list)) + (string-equal (car (cdr (car diary-entries-list))) ""))) + (if (<= (length msg) (frame-width)) + (message msg) + (set-buffer (get-buffer-create holiday-buffer)) + (setq buffer-read-only nil) + (calendar-set-mode-line date-string) + (erase-buffer) + (insert (mapconcat 'identity holiday-list "\n")) + (goto-char (point-min)) + (set-buffer-modified-p nil) + (setq buffer-read-only t) + (display-buffer holiday-buffer) + (message "No diary entries for %s" date-string)) + (calendar-set-mode-line + (concat "Diary for " date-string + (if holiday-list ": " "") + (mapconcat 'identity holiday-list "; "))) + (display-buffer (get-file-buffer d-file)) + (message "Preparing diary...done")))) + +(defun fancy-diary-display () + "Prepare a diary buffer with relevant entries in a fancy, noneditable form. +This function is provided for optional use as the `diary-display-hook'." + (save-excursion;; Turn off selective-display in the diary file's buffer. + (set-buffer (get-file-buffer (substitute-in-file-name diary-file))) + (let ((diary-modified (buffer-modified-p))) + (subst-char-in-region (point-min) (point-max) ?\^M ?\n t) + (setq selective-display nil) + (kill-local-variable 'mode-line-format) + (set-buffer-modified-p diary-modified))) + (if (or (not diary-entries-list) + (and (not (cdr diary-entries-list)) + (string-equal (car (cdr (car diary-entries-list))) ""))) + (let* ((holiday-list (if holidays-in-diary-buffer + (check-calendar-holidays original-date))) + (msg (format "No diary entries for %s %s" + (concat date-string (if holiday-list ":" "")) + (mapconcat 'identity holiday-list "; ")))) + (if (<= (length msg) (frame-width)) + (message msg) + (set-buffer (get-buffer-create holiday-buffer)) + (setq buffer-read-only nil) + (calendar-set-mode-line date-string) + (erase-buffer) + (insert (mapconcat 'identity holiday-list "\n")) + (goto-char (point-min)) + (set-buffer-modified-p nil) + (setq buffer-read-only t) + (display-buffer holiday-buffer) + (message "No diary entries for %s" date-string))) + (save-excursion;; Prepare the fancy diary buffer. + (set-buffer (make-fancy-diary-buffer)) + (setq buffer-read-only nil) + (let ((entry-list diary-entries-list) + (holiday-list) + (holiday-list-last-month 1) + (holiday-list-last-year 1) + (date (list 0 0 0))) + (while entry-list + (if (not (calendar-date-equal date (car (car entry-list)))) + (progn + (setq date (car (car entry-list))) + (and holidays-in-diary-buffer + (calendar-date-compare + (list (list holiday-list-last-month + (calendar-last-day-of-month + holiday-list-last-month + holiday-list-last-year) + holiday-list-last-year)) + (list date)) + ;; We need to get the holidays for the next 3 months. + (setq holiday-list-last-month + (extract-calendar-month date)) + (setq holiday-list-last-year + (extract-calendar-year date)) + (increment-calendar-month + holiday-list-last-month holiday-list-last-year 1) + (setq holiday-list + (let ((displayed-month holiday-list-last-month) + (displayed-year holiday-list-last-year)) + (calendar-holiday-list))) + (increment-calendar-month + holiday-list-last-month holiday-list-last-year 1)) + (let* ((date-string (calendar-date-string date)) + (date-holiday-list + (let ((h holiday-list) + (d)) + ;; Make a list of all holidays for date. + (while h + (if (calendar-date-equal date (car (car h))) + (setq d (append d (cdr (car h))))) + (setq h (cdr h))) + d))) + (insert (if (= (point) (point-min)) "" ?\n) date-string) + (if date-holiday-list (insert ": ")) + (let ((l (current-column))) + (insert (mapconcat 'identity date-holiday-list + (concat "\n" (make-string l ? ))))) + (let ((l (current-column))) + (insert ?\n (make-string l ?=) ?\n))))) + (if (< 0 (length (car (cdr (car entry-list))))) + (insert (car (cdr (car entry-list))) ?\n)) + (setq entry-list (cdr entry-list)))) + (set-buffer-modified-p nil) + (goto-char (point-min)) + (setq buffer-read-only t) + (display-buffer fancy-diary-buffer) + (message "Preparing diary...done")))) + +(defun make-fancy-diary-buffer () + "Create and return the initial fancy diary buffer." + (save-excursion + (set-buffer (get-buffer-create fancy-diary-buffer)) + (setq buffer-read-only nil) + (make-local-variable 'mode-line-format) + (calendar-set-mode-line "Diary Entries") + (erase-buffer) + (set-buffer-modified-p nil) + (setq buffer-read-only t) + (get-buffer fancy-diary-buffer))) + +(defun print-diary-entries () + "Print a hard copy of the diary display. + +If the simple diary display is being used, prepare a temp buffer with the +visible lines of the diary buffer, add a heading line composed from the mode +line, print the temp buffer, and destroy it. + +If the fancy diary display is being used, just print the buffer. + +The hooks given by the variable `print-diary-entries-hook' are called to do +the actual printing." + (interactive) + (if (bufferp (get-buffer fancy-diary-buffer)) + (save-excursion + (set-buffer (get-buffer fancy-diary-buffer)) + (run-hooks 'print-diary-entries-hook)) + (let ((diary-buffer + (get-file-buffer (substitute-in-file-name diary-file)))) + (if diary-buffer + (let ((temp-buffer (get-buffer-create "*Printable Diary Entries*")) + (heading)) + (save-excursion + (set-buffer diary-buffer) + (setq heading + (if (not (stringp mode-line-format)) + "All Diary Entries" + (string-match "^-*\\([^-].*[^-]\\)-*$" mode-line-format) + (substring mode-line-format + (match-beginning 1) (match-end 1)))) + (copy-to-buffer temp-buffer (point-min) (point-max)) + (set-buffer temp-buffer) + (while (re-search-forward "\^M.*$" nil t) + (replace-match "")) + (goto-char (point-min)) + (insert heading "\n" + (make-string (length heading) ?=) "\n") + (run-hooks 'print-diary-entries-hook) + (kill-buffer temp-buffer))) + (error "You don't have a diary buffer!"))))) + +(defun show-all-diary-entries () + "Show all of the diary entries in the diary file. +This function gets rid of the selective display of the diary file so that +all entries, not just some, are visible. If there is no diary buffer, one +is created." + (interactive) + (let ((d-file (substitute-in-file-name diary-file))) + (if (and d-file (file-exists-p d-file)) + (if (file-readable-p d-file) + (save-excursion + (let ((diary-buffer (get-file-buffer d-file))) + (set-buffer (if diary-buffer + diary-buffer + (find-file-noselect d-file t))) + (let ((buffer-read-only nil) + (diary-modified (buffer-modified-p))) + (subst-char-in-region (point-min) (point-max) ?\^M ?\n t) + (setq selective-display nil) + (make-local-variable 'mode-line-format) + (setq mode-line-format default-mode-line-format) + (display-buffer (current-buffer)) + (set-buffer-modified-p diary-modified)))) + (error "Your diary file is not readable!")) + (error "You don't have a diary file!")))) + +(defun diary-name-pattern (string-array &optional fullname) + "Convert an STRING-ARRAY, an array of strings to a pattern. +The pattern will match any of the strings, either entirely or abbreviated +to three characters. An abbreviated form will match with or without a period; +If the optional FULLNAME is t, abbreviations will not match, just the full +name." + (let ((pattern "")) + (calendar-for-loop i from 0 to (1- (length string-array)) do + (setq pattern + (concat + pattern + (if (string-equal pattern "") "" "\\|") + (aref string-array i) + (if fullname + "" + (concat + "\\|" + (substring (aref string-array i) 0 3) ".?"))))) + pattern)) + +(defvar marking-diary-entries nil + "True during the marking of diary entries, nil otherwise.") + +(defvar marking-diary-entry nil + "True during the marking of diary entries, if current entry is marking.") + +(defun mark-diary-entries () + "Mark days in the calendar window that have diary entries. +Each entry in the diary file visible in the calendar window is marked. +After the entries are marked, the hooks `nongregorian-diary-marking-hook' and +`mark-diary-entries-hook' are run." + (interactive) + (setq mark-diary-entries-in-calendar t) + (let ((d-file (substitute-in-file-name diary-file)) + (marking-diary-entries t)) + (if (and d-file (file-exists-p d-file)) + (if (file-readable-p d-file) + (save-excursion + (message "Marking diary entries...") + (set-buffer (find-file-noselect d-file t)) + (let ((d diary-date-forms) + (old-diary-syntax-table)) + (setq old-diary-syntax-table (syntax-table)) + (set-syntax-table diary-syntax-table) + (while d + (let* + ((date-form (if (equal (car (car d)) 'backup) + (cdr (car d)) + (car d)));; ignore 'backup directive + (dayname (diary-name-pattern calendar-day-name-array)) + (monthname + (concat + (diary-name-pattern calendar-month-name-array) + "\\|\\*")) + (month "[0-9]+\\|\\*") + (day "[0-9]+\\|\\*") + (year "[0-9]+\\|\\*") + (l (length date-form)) + (d-name-pos (- l (length (memq 'dayname date-form)))) + (d-name-pos (if (/= l d-name-pos) (+ 2 d-name-pos))) + (m-name-pos (- l (length (memq 'monthname date-form)))) + (m-name-pos (if (/= l m-name-pos) (+ 2 m-name-pos))) + (d-pos (- l (length (memq 'day date-form)))) + (d-pos (if (/= l d-pos) (+ 2 d-pos))) + (m-pos (- l (length (memq 'month date-form)))) + (m-pos (if (/= l m-pos) (+ 2 m-pos))) + (y-pos (- l (length (memq 'year date-form)))) + (y-pos (if (/= l y-pos) (+ 2 y-pos))) + (regexp + (concat + "\\(\\`\\|\^M\\|\n\\)\\(" + (mapconcat 'eval date-form "\\)\\(") + "\\)")) + (case-fold-search t)) + (goto-char (point-min)) + (while (re-search-forward regexp nil t) + (let* ((dd-name + (if d-name-pos + (buffer-substring + (match-beginning d-name-pos) + (match-end d-name-pos)))) + (mm-name + (if m-name-pos + (buffer-substring + (match-beginning m-name-pos) + (match-end m-name-pos)))) + (mm (string-to-int + (if m-pos + (buffer-substring + (match-beginning m-pos) + (match-end m-pos)) + ""))) + (dd (string-to-int + (if d-pos + (buffer-substring + (match-beginning d-pos) + (match-end d-pos)) + ""))) + (y-str (if y-pos + (buffer-substring + (match-beginning y-pos) + (match-end y-pos)))) + (yy (if (not y-str) + 0 + (if (and (= (length y-str) 2) + abbreviated-calendar-year) + (let* ((current-y + (extract-calendar-year + (calendar-current-date))) + (y (+ (string-to-int y-str) + (* 100 + (/ current-y 100))))) + (if (> (- y current-y) 50) + (- y 100) + (if (> (- current-y y) 50) + (+ y 100) + y))) + (string-to-int y-str))))) + (if dd-name + (mark-calendar-days-named + (cdr (assoc (capitalize (substring dd-name 0 3)) + (calendar-make-alist + calendar-day-name-array + 0 + '(lambda (x) (substring x 0 3)))))) + (if mm-name + (if (string-equal mm-name "*") + (setq mm 0) + (setq mm + (cdr (assoc + (capitalize + (substring mm-name 0 3)) + (calendar-make-alist + calendar-month-name-array + 1 + '(lambda (x) (substring x 0 3))) + ))))) + (mark-calendar-date-pattern mm dd yy)))) + (setq d (cdr d)))) + (mark-sexp-diary-entries) + (run-hooks 'nongregorian-diary-marking-hook + 'mark-diary-entries-hook) + (set-syntax-table old-diary-syntax-table) + (message "Marking diary entries...done"))) + (error "Your diary file is not readable!")) + (error "You don't have a diary file!")))) + +(defun mark-sexp-diary-entries () + "Mark days in the calendar window that have sexp diary entries. +Each entry in the diary file (or included files) visible in the calendar window +is marked. See the documentation for the function `list-sexp-diary-entries'." + (let* ((sexp-mark (regexp-quote sexp-diary-entry-symbol)) + (s-entry (concat "\\(\\`\\|\^M\\|\n\\)\\(" + (regexp-quote sexp-mark) "(\\)\\|\\(" + (regexp-quote diary-nonmarking-symbol) + (regexp-quote sexp-mark) "(diary-remind\\)")) + (m) + (y) + (first-date) + (last-date)) + (save-excursion + (set-buffer calendar-buffer) + (setq m displayed-month) + (setq y displayed-year)) + (increment-calendar-month m y -1) + (setq first-date + (calendar-absolute-from-gregorian (list m 1 y))) + (increment-calendar-month m y 2) + (setq last-date + (calendar-absolute-from-gregorian + (list m (calendar-last-day-of-month m y) y))) + (goto-char (point-min)) + (while (re-search-forward s-entry nil t) + (if (char-equal (preceding-char) ?() + (setq marking-diary-entry t) + (setq marking-diary-entry nil)) + (re-search-backward "(") + (let ((sexp-start (point)) + (sexp) + (entry) + (entry-start) + (line-start)) + (forward-sexp) + (setq sexp (buffer-substring sexp-start (point))) + (save-excursion + (re-search-backward "\^M\\|\n\\|\\`") + (setq line-start (point))) + (forward-char 1) + (if (and (or (char-equal (preceding-char) ?\^M) + (char-equal (preceding-char) ?\n)) + (not (looking-at " \\|\^I"))) + (progn;; Diary entry consists only of the sexp + (backward-char 1) + (setq entry "")) + (setq entry-start (point)) + (re-search-forward "\^M\\|\n" nil t) + (while (looking-at " \\|\^I") + (re-search-forward "\^M\\|\n" nil t)) + (backward-char 1) + (setq entry (buffer-substring entry-start (point))) + (while (string-match "[\^M]" entry) + (aset entry (match-beginning 0) ?\n ))) + (calendar-for-loop date from first-date to last-date do + (if (diary-sexp-entry sexp entry + (calendar-gregorian-from-absolute date)) + (mark-visible-calendar-date + (calendar-gregorian-from-absolute date)))))))) + +(defun mark-included-diary-files () + "Mark the diary entries from other diary files with those of the diary file. +This function is suitable for use as the `mark-diary-entries-hook'; it enables +you to use shared diary files together with your own. The files included are +specified in the diary-file by lines of this form: + #include \"filename\" +This is recursive; that is, #include directives in diary files thus included +are obeyed. You can change the `#include' to some other string by +changing the variable `diary-include-string'." + (goto-char (point-min)) + (while (re-search-forward + (concat + "\\(\\`\\|\^M\\|\n\\)" + (regexp-quote diary-include-string) + " \"\\([^\"]*\\)\"") + nil t) + (let ((diary-file (substitute-in-file-name + (buffer-substring (match-beginning 2) (match-end 2)))) + (mark-diary-entries-hook 'mark-included-diary-files)) + (if (file-exists-p diary-file) + (if (file-readable-p diary-file) + (progn + (mark-diary-entries) + (kill-buffer (get-file-buffer diary-file))) + (beep) + (message "Can't read included diary file %s" diary-file) + (sleep-for 2)) + (beep) + (message "Can't find included diary file %s" diary-file) + (sleep-for 2)))) + (goto-char (point-min))) + +(defun mark-calendar-days-named (dayname) + "Mark all dates in the calendar window that are day DAYNAME of the week. +0 means all Sundays, 1 means all Mondays, and so on." + (save-excursion + (set-buffer calendar-buffer) + (let ((prev-month displayed-month) + (prev-year displayed-year) + (succ-month displayed-month) + (succ-year displayed-year) + (last-day) + (day)) + (increment-calendar-month succ-month succ-year 1) + (increment-calendar-month prev-month prev-year -1) + (setq day (calendar-absolute-from-gregorian + (calendar-nth-named-day 1 dayname prev-month prev-year))) + (setq last-day (calendar-absolute-from-gregorian + (calendar-nth-named-day -1 dayname succ-month succ-year))) + (while (<= day last-day) + (mark-visible-calendar-date (calendar-gregorian-from-absolute day)) + (setq day (+ day 7)))))) + +(defun mark-calendar-date-pattern (month day year) + "Mark all dates in the calendar window that conform to MONTH/DAY/YEAR. +A value of 0 in any position is a wildcard." + (save-excursion + (set-buffer calendar-buffer) + (let ((m displayed-month) + (y displayed-year)) + (increment-calendar-month m y -1) + (calendar-for-loop i from 0 to 2 do + (mark-calendar-month m y month day year) + (increment-calendar-month m y 1))))) + +(defun mark-calendar-month (month year p-month p-day p-year) + "Mark dates in the MONTH/YEAR that conform to pattern P-MONTH/P_DAY/P-YEAR. +A value of 0 in any position of the pattern is a wildcard." + (if (or (and (= month p-month) + (or (= p-year 0) (= year p-year))) + (and (= p-month 0) + (or (= p-year 0) (= year p-year)))) + (if (= p-day 0) + (calendar-for-loop + i from 1 to (calendar-last-day-of-month month year) do + (mark-visible-calendar-date (list month i year))) + (mark-visible-calendar-date (list month p-day year))))) + +(defun sort-diary-entries () + "Sort the list of diary entries by time of day." + (setq diary-entries-list (sort diary-entries-list 'diary-entry-compare))) + +(defun diary-entry-compare (e1 e2) + "Returns t if E1 is earlier than E2." + (or (calendar-date-compare e1 e2) + (and (calendar-date-equal (car e1) (car e2)) + (< (diary-entry-time (car (cdr e1))) + (diary-entry-time (car (cdr e2))))))) + +(defun diary-entry-time (s) + "Time at the beginning of the string S in a military-style integer. +For example, returns 1325 for 1:25pm. Returns -9999 if no time is recognized. +The recognized forms are XXXX or X:XX or XX:XX (military time), XXam or XXpm, +and XX:XXam or XX:XXpm." + (cond ((string-match;; Military time + "^[ \t]*\\([0-9]?[0-9]\\):?\\([0-9][0-9]\\)\\(\\>\\|[^ap]\\)" s) + (+ (* 100 (string-to-int + (substring s (match-beginning 1) (match-end 1)))) + (string-to-int (substring s (match-beginning 2) (match-end 2))))) + ((string-match;; Hour only XXam or XXpm + "^[ \t]*\\([0-9]?[0-9]\\)\\([ap]\\)m\\>" s) + (+ (* 100 (% (string-to-int + (substring s (match-beginning 1) (match-end 1))) + 12)) + (if (string-equal "a" + (substring s (match-beginning 2) (match-end 2))) + 0 1200))) + ((string-match;; Hour and minute XX:XXam or XX:XXpm + "^[ \t]*\\([0-9]?[0-9]\\):\\([0-9][0-9]\\)\\([ap]\\)m\\>" s) + (+ (* 100 (% (string-to-int + (substring s (match-beginning 1) (match-end 1))) + 12)) + (string-to-int (substring s (match-beginning 2) (match-end 2))) + (if (string-equal "a" + (substring s (match-beginning 3) (match-end 3))) + 0 1200))) + (t -9999)));; Unrecognizable + +(defun list-sexp-diary-entries (date) + "Add sexp entries for DATE from the diary file to `diary-entries-list'. +Also, Make them visible in the diary file. Returns t if any entries were +found. + +Sexp diary entries must be prefaced by a `sexp-diary-entry-symbol' (normally +`%%'). The form of a sexp diary entry is + + %%(SEXP) ENTRY + +Both ENTRY and DATE are globally available when the SEXP is evaluated. If the +SEXP yields the value nil, the diary entry does not apply. If it yields a +non-nil value, ENTRY will be taken to apply to DATE; if the non-nil value is a +string, that string will be the diary entry in the fancy diary display. + +For example, the following diary entry will apply to the 21st of the month +if it is a weekday and the Friday before if the 21st is on a weekend: + + &%%(let ((dayname (calendar-day-of-week date)) + (day (extract-calendar-day date))) + (or + (and (= day 21) (memq dayname '(1 2 3 4 5))) + (and (memq day '(19 20)) (= dayname 5))) + ) UIUC pay checks deposited + +A number of built-in functions are available for this type of diary entry: + + %%(diary-date MONTH DAY YEAR) text + Entry applies if date is MONTH, DAY, YEAR if + `european-calendar-style' is nil, and DAY, MONTH, YEAR if + `european-calendar-style' is t. DAY, MONTH, and YEAR + can be lists of integers, the constant t, or an integer. + The constant t means all values. + + %%(diary-float MONTH DAYNAME N) text + Entry will appear on the Nth DAYNAME of MONTH. + (DAYNAME=0 means Sunday, 1 means Monday, and so on; + if N is negative it counts backward from the end of + the month. MONTH can be a list of months, a single + month, or t to specify all months. + + %%(diary-block M1 D1 Y1 M2 D2 Y2) text + Entry will appear on dates between M1/D1/Y1 and M2/D2/Y2, + inclusive. (If `european-calendar-style' is t, the + order of the parameters should be changed to D1, M1, Y1, + D2, M2, Y2.) + + %%(diary-anniversary MONTH DAY YEAR) text + Entry will appear on anniversary dates of MONTH DAY, YEAR. + (If `european-calendar-style' is t, the order of the + parameters should be changed to DAY, MONTH, YEAR.) Text + can contain %d or %d%s; %d will be replaced by the number + of years since the MONTH DAY, YEAR and %s will be replaced + by the ordinal ending of that number (that is, `st', `nd', + `rd' or `th', as appropriate. The anniversary of February + 29 is considered to be March 1 in a non-leap year. + + %%(diary-cyclic N MONTH DAY YEAR) text + Entry will appear every N days, starting MONTH DAY, YEAR. + (If `european-calendar-style' is t, the order of the + parameters should be changed to N, DAY, MONTH, YEAR.) Text + can contain %d or %d%s; %d will be replaced by the number + of repetitions since the MONTH DAY, YEAR and %s will + be replaced by the ordinal ending of that number (that is, + `st', `nd', `rd' or `th', as appropriate. + + %%(diary-remind SEXP DAYS &optional MARKING) text + Entry is a reminder for diary sexp SEXP. DAYS is either a + single number or a list of numbers indicating the number(s) + of days before the event that the warning(s) should occur. + If the current date is (one of) DAYS before the event + indicated by EXPR, then a suitable message (as specified + by `diary-remind-message') appears. In addition to the + reminders beforehand, the diary entry also appears on + the date itself. If optional MARKING is non-nil then the + *reminders* are marked on the calendar. Marking of + reminders is independent of whether the entry *itself* is + a marking or nonmarking one. + + %%(diary-day-of-year) + Diary entries giving the day of the year and the number of + days remaining in the year will be made every day. Note + that since there is no text, it makes sense only if the + fancy diary display is used. + + %%(diary-iso-date) + Diary entries giving the corresponding ISO commercial date + will be made every day. Note that since there is no text, + it makes sense only if the fancy diary display is used. + + %%(diary-french-date) + Diary entries giving the corresponding French Revolutionary + date will be made every day. Note that since there is no + text, it makes sense only if the fancy diary display is used. + + %%(diary-islamic-date) + Diary entries giving the corresponding Islamic date will be + made every day. Note that since there is no text, it + makes sense only if the fancy diary display is used. + + %%(diary-hebrew-date) + Diary entries giving the corresponding Hebrew date will be + made every day. Note that since there is no text, it + makes sense only if the fancy diary display is used. + + %%(diary-astro-day-number) Diary entries giving the corresponding + astronomical (Julian) day number will be made every day. + Note that since there is no text, it makes sense only if the + fancy diary display is used. + + %%(diary-julian-date) Diary entries giving the corresponding + Julian date will be made every day. Note that since + there is no text, it makes sense only if the fancy diary + display is used. + + %%(diary-sunrise-sunset) + Diary entries giving the local times of sunrise and sunset + will be made every day. Note that since there is no text, + it makes sense only if the fancy diary display is used. + Floating point required. + + %%(diary-phases-of-moon) + Diary entries giving the times of the phases of the moon + will be when appropriate. Note that since there is no text, + it makes sense only if the fancy diary display is used. + Floating point required. + + %%(diary-yahrzeit MONTH DAY YEAR) text + Text is assumed to be the name of the person; the date is + the date of death on the *civil* calendar. The diary entry + will appear on the proper Hebrew-date anniversary and on the + day before. (If `european-calendar-style' is t, the order + of the parameters should be changed to DAY, MONTH, YEAR.) + + %%(diary-rosh-hodesh) + Diary entries will be made on the dates of Rosh Hodesh on + the Hebrew calendar. Note that since there is no text, it + makes sense only if the fancy diary display is used. + + %%(diary-parasha) + Diary entries giving the weekly parasha will be made on + every Saturday. Note that since there is no text, it + makes sense only if the fancy diary display is used. + + %%(diary-omer) + Diary entries giving the omer count will be made every day + from Passover to Shavuoth. Note that since there is no text, + it makes sense only if the fancy diary display is used. + +Marking these entries is *extremely* time consuming, so these entries are +best if they are nonmarking." + (let* ((mark (regexp-quote diary-nonmarking-symbol)) + (sexp-mark (regexp-quote sexp-diary-entry-symbol)) + (s-entry (concat "\\(\\`\\|\^M\\|\n\\)" mark "?" sexp-mark "(")) + (entry-found)) + (goto-char (point-min)) + (while (re-search-forward s-entry nil t) + (backward-char 1) + (let ((sexp-start (point)) + (sexp) + (entry) + (entry-start) + (line-start)) + (forward-sexp) + (setq sexp (buffer-substring sexp-start (point))) + (save-excursion + (re-search-backward "\^M\\|\n\\|\\`") + (setq line-start (point))) + (forward-char 1) + (if (and (or (char-equal (preceding-char) ?\^M) + (char-equal (preceding-char) ?\n)) + (not (looking-at " \\|\^I"))) + (progn;; Diary entry consists only of the sexp + (backward-char 1) + (setq entry "")) + (setq entry-start (point)) + (re-search-forward "\^M\\|\n" nil t) + (while (looking-at " \\|\^I") + (re-search-forward "\^M\\|\n" nil t)) + (backward-char 1) + (setq entry (buffer-substring entry-start (point))) + (while (string-match "[\^M]" entry) + (aset entry (match-beginning 0) ?\n ))) + (let ((diary-entry (diary-sexp-entry sexp entry date))) + (if diary-entry + (subst-char-in-region line-start (point) ?\^M ?\n t)) + (add-to-diary-list date diary-entry) + (setq entry-found (or entry-found diary-entry))))) + entry-found)) + +(defun diary-sexp-entry (sexp entry date) + "Process a SEXP diary ENTRY for DATE." + (let ((result (if calendar-debug-sexp + (let ((stack-trace-on-error t)) + (eval (car (read-from-string sexp)))) + (condition-case nil + (eval (car (read-from-string sexp))) + (error + (beep) + (message "Bad sexp at line %d in %s: %s" + (save-excursion + (save-restriction + (narrow-to-region 1 (point)) + (goto-char (point-min)) + (let ((lines 1)) + (while (re-search-forward "\n\\|\^M" nil t) + (setq lines (1+ lines))) + lines))) + diary-file sexp) + (sleep-for 2)))))) + (if (stringp result) + result + (if result + entry + nil)))) + +(defun diary-date (month day year) + "Specific date(s) diary entry. +Entry applies if date is MONTH, DAY, YEAR if `european-calendar-style' is nil, +and DAY, MONTH, YEAR if `european-calendar-style' is t. DAY, MONTH, and YEAR +can be lists of integers, the constant t, or an integer. The constant t means +all values." + (let* ((dd (if european-calendar-style + month + day)) + (mm (if european-calendar-style + day + month)) + (m (extract-calendar-month date)) + (y (extract-calendar-year date)) + (d (extract-calendar-day date))) + (if (and + (or (and (listp dd) (memq d dd)) + (equal d dd) + (eq dd t)) + (or (and (listp mm) (memq m mm)) + (equal m mm) + (eq mm t)) + (or (and (listp year) (memq y year)) + (equal y year) + (eq year t))) + entry))) + +(defun diary-block (m1 d1 y1 m2 d2 y2) + "Block diary entry. +Entry applies if date is between two dates. Order of the parameters is +M1, D1, Y1, M2, D2, Y2 `european-calendar-style' is nil, and +D1, M1, Y1, D2, M2, Y2 if `european-calendar-style' is t." + (let ((date1 (calendar-absolute-from-gregorian + (if european-calendar-style + (list d1 m1 y1) + (list m1 d1 y1)))) + (date2 (calendar-absolute-from-gregorian + (if european-calendar-style + (list d2 m2 y2) + (list m2 d2 y2)))) + (d (calendar-absolute-from-gregorian date))) + (if (and (<= date1 d) (<= d date2)) + entry))) + +(defun diary-float (month dayname n) + "Floating diary entry--entry applies if date is the nth dayname of month. +Parameters are MONTH, DAYNAME, N. MONTH can be a list of months, the constant +t, or an integer. The constant t means all months. If N is negative, count +backward from the end of the month." + (let ((m (extract-calendar-month date)) + (y (extract-calendar-year date))) + (if (and + (or (and (listp month) (memq m month)) + (equal m month) + (eq month t)) + (calendar-date-equal date (calendar-nth-named-day n dayname m y))) + entry))) + +(defun diary-anniversary (month day year) + "Anniversary diary entry. +Entry applies if date is the anniversary of MONTH, DAY, YEAR if +`european-calendar-style' is nil, and DAY, MONTH, YEAR if +`european-calendar-style' is t. Diary entry can contain `%d' or `%d%s'; the +%d will be replaced by the number of years since the MONTH DAY, YEAR and the +%s will be replaced by the ordinal ending of that number (that is, `st', `nd', +`rd' or `th', as appropriate. The anniversary of February 29 is considered +to be March 1 in non-leap years." + (let* ((d (if european-calendar-style + month + day)) + (m (if european-calendar-style + day + month)) + (y (extract-calendar-year date)) + (diff (- y year))) + (if (and (= m 2) (= d 29) (not (calendar-leap-year-p y))) + (setq m 3 + d 1)) + (if (and (> diff 0) (calendar-date-equal (list m d y) date)) + (format entry diff (diary-ordinal-suffix diff))))) + +(defun diary-cyclic (n month day year) + "Cycle diary entry--entry applies every N days starting at MONTH, DAY, YEAR. +If `european-calendar-style' is t, parameters are N, DAY, MONTH, YEAR. +ENTRY can contain `%d' or `%d%s'; the %d will be replaced by the number of +years since the MONTH DAY, YEAR and the %s will be replaced by the ordinal +ending of that number (that is, `st', `nd', `rd' or `th', as appropriate." + (let* ((d (if european-calendar-style + month + day)) + (m (if european-calendar-style + day + month)) + (diff (- (calendar-absolute-from-gregorian date) + (calendar-absolute-from-gregorian + (list m d year)))) + (cycle (/ diff n))) + (if (and (>= diff 0) (zerop (% diff n))) + (format entry cycle (diary-ordinal-suffix cycle))))) + +(defun diary-ordinal-suffix (n) + "Ordinal suffix for N. (That is, `st', `nd', `rd', or `th', as appropriate.)" + (if (or (memq (% n 100) '(11 12 13)) + (< 3 (% n 10))) + "th" + (aref ["th" "st" "nd" "rd"] (% n 10)))) + +(defun diary-day-of-year () + "Day of year and number of days remaining in the year of date diary entry." + (calendar-day-of-year-string date)) + +(defvar diary-remind-message + '("Reminder: Only " + (if (= 0 (% days 7)) + (concat (int-to-string (/ days 7)) (if (= 7 days) " week" " weeks")) + (concat (int-to-string days) (if (= 1 days) " day" " days"))) + " until " + diary-entry) + "*Pseudo-pattern giving form of reminder messages in the fancy diary +display. + +Used by the function `diary-remind', a pseudo-pattern is a list of +expressions that can involve the keywords `days' (a number), `date' (a list of +month, day, year), and `diary-entry' (a string).") + +(defun diary-remind (sexp days &optional marking) + "Provide a reminder of a diary entry. +SEXP is a diary-sexp. DAYS is either a single number or a list of numbers +indicating the number(s) of days before the event that the warning(s) should +occur on. If the current date is (one of) DAYS before the event indicated by +SEXP, then a suitable message (as specified by `diary-remind-message' is +returned. + +In addition to the reminders beforehand, the diary entry also appears on +the date itself. + +If optional parameter MARKING is non-nil then the reminders are marked on the +calendar. Marking of reminders is independent of whether the entry itself is +a marking or nonmarking one." + (let ((diary-entry)) + (if (or (not marking-diary-entries) marking) + (cond + ((integerp days) + (let ((date (calendar-gregorian-from-absolute + (+ (calendar-absolute-from-gregorian date) days)))) + (if (setq diary-entry (eval sexp)) + (setq diary-entry (mapconcat 'eval diary-remind-message ""))))) + ((and (listp days) days) + (setq diary-entry (diary-remind sexp (car days) marking)) + (if (not diary-entry) + (setq diary-entry (diary-remind sexp (cdr days) marking)))))) + (or diary-entry + (and (or (not marking-diary-entries) marking-diary-entry) + (eval sexp))))) + +(defun add-to-diary-list (date string) + "Add the entry (DATE STRING) to `diary-entries-list'. +Do nothing if DATE or STRING is nil." + (and date string + (setq diary-entries-list + (append diary-entries-list (list (list date string)))))) + +(defun make-diary-entry (string &optional nonmarking file) + "Insert a diary entry STRING which may be NONMARKING in FILE. +If omitted, NONMARKING defaults to nil and FILE defaults to diary-file." + (find-file-other-window + (substitute-in-file-name (if file file diary-file))) + (goto-char (point-max)) + (insert + (if (bolp) "" "\n") + (if nonmarking diary-nonmarking-symbol "") + string " ")) + +(defun insert-diary-entry (arg) + "Insert a diary entry for the date indicated by point. +Prefix arg will make the entry nonmarking." + (interactive "P") + (make-diary-entry (calendar-date-string (calendar-cursor-to-date t) t t) + arg)) + +(defun insert-weekly-diary-entry (arg) + "Insert a weekly diary entry for the day of the week indicated by point. +Prefix arg will make the entry nonmarking." + (interactive "P") + (make-diary-entry (calendar-day-name (calendar-cursor-to-date t)) + arg)) + +(defun insert-monthly-diary-entry (arg) + "Insert a monthly diary entry for the day of the month indicated by point. +Prefix arg will make the entry nonmarking." + (interactive "P") + (let* ((calendar-date-display-form + (if european-calendar-style + '(day " * ") + '("* " day)))) + (make-diary-entry (calendar-date-string (calendar-cursor-to-date t) t) + arg))) + +(defun insert-yearly-diary-entry (arg) + "Insert an annual diary entry for the day of the year indicated by point. +Prefix arg will make the entry nonmarking." + (interactive "P") + (let* ((calendar-date-display-form + (if european-calendar-style + '(day " " monthname) + '(monthname " " day)))) + (make-diary-entry (calendar-date-string (calendar-cursor-to-date t) t) + arg))) + +(defun insert-anniversary-diary-entry (arg) + "Insert an anniversary diary entry for the date given by point. +Prefix arg will make the entry nonmarking." + (interactive "P") + (let* ((calendar-date-display-form + (if european-calendar-style + '(day " " month " " year) + '(month " " day " " year)))) + (make-diary-entry + (format "%s(diary-anniversary %s)" + sexp-diary-entry-symbol + (calendar-date-string (calendar-cursor-to-date t) nil t)) + arg))) + +(defun insert-block-diary-entry (arg) + "Insert a block diary entry for the days between the point and marked date. +Prefix arg will make the entry nonmarking." + (interactive "P") + (let* ((calendar-date-display-form + (if european-calendar-style + '(day " " month " " year) + '(month " " day " " year))) + (cursor (calendar-cursor-to-date t)) + (mark (or (car calendar-mark-ring) + (error "No mark set in this buffer"))) + (start) + (end)) + (if (< (calendar-absolute-from-gregorian mark) + (calendar-absolute-from-gregorian cursor)) + (setq start mark + end cursor) + (setq start cursor + end mark)) + (make-diary-entry + (format "%s(diary-block %s %s)" + sexp-diary-entry-symbol + (calendar-date-string start nil t) + (calendar-date-string end nil t)) + arg))) + +(defun insert-cyclic-diary-entry (arg) + "Insert a cyclic diary entry starting at the date given by point. +Prefix arg will make the entry nonmarking." + (interactive "P") + (let* ((calendar-date-display-form + (if european-calendar-style + '(day " " month " " year) + '(month " " day " " year)))) + (make-diary-entry + (format "%s(diary-cyclic %d %s)" + sexp-diary-entry-symbol + (calendar-read "Repeat every how many days: " + '(lambda (x) (> x 0))) + (calendar-date-string (calendar-cursor-to-date t) nil t)) + arg))) + +(provide 'diary) + +;;; diary.el ends here |