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diff --git a/lisp/=diary-lib.el b/lisp/=diary-lib.el deleted file mode 100644 index a78475bc916..00000000000 --- a/lisp/=diary-lib.el +++ /dev/null @@ -1,1919 +0,0 @@ -;;; diary-lib.el --- diary functions. - -;; Copyright (C) 1989, 1990, 1992, 1993, 1994 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-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)) - -(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))) - (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\\)" sexp-mark "(")) - (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) - (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 ))) - (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-hebrew-diary-entries () - "Add any Hebrew date entries from the diary file to `diary-entries-list'. -Hebrew date diary entries must be prefaced by `hebrew-diary-entry-symbol' -\(normally an `H'). The same diary date forms govern the style of the Hebrew -calendar entries, except that the Hebrew month names must be spelled in full. -The Hebrew months are numbered from 1 to 13 with Nisan being 1, 12 being -Adar I and 13 being Adar II; you must use `Adar I' if you want Adar of a -common Hebrew year. If a Hebrew date diary entry begins with a -`diary-nonmarking-symbol', the entry will appear in the diary listing, but will -not be marked in the calendar. This function is provided for use with the -`nongregorian-diary-listing-hook'." - (if (< 0 number) - (let ((buffer-read-only nil) - (diary-modified (buffer-modified-p)) - (gdate original-date) - (mark (regexp-quote diary-nonmarking-symbol))) - (calendar-for-loop i from 1 to number do - (let* ((d diary-date-forms) - (hdate (calendar-hebrew-from-absolute - (calendar-absolute-from-gregorian gdate))) - (month (extract-calendar-month hdate)) - (day (extract-calendar-day hdate)) - (year (extract-calendar-year hdate))) - (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 gdate) "\\|" - (substring (calendar-day-name gdate) 0 3) ".?")) - (calendar-month-name-array - calendar-hebrew-month-name-array-leap-year) - (monthname - (concat - "\\*\\|" - (calendar-month-name month))) - (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 "?" - (regexp-quote hebrew-diary-entry-symbol) - "\\(" - (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. - (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 - gdate (buffer-substring entry-start (point))))))) - (setq d (cdr d)))) - (setq gdate - (calendar-gregorian-from-absolute - (1+ (calendar-absolute-from-gregorian gdate))))) - (set-buffer-modified-p diary-modified)) - (goto-char (point-min)))) - -(defun mark-hebrew-diary-entries () - "Mark days in the calendar window that have Hebrew date diary entries. -Each entry in diary-file (or included files) visible in the calendar window -is marked. Hebrew date entries are prefaced by a hebrew-diary-entry-symbol -\(normally an `H'). The same diary-date-forms govern the style of the Hebrew -calendar entries, except that the Hebrew month names must be spelled in full. -The Hebrew months are numbered from 1 to 13 with Nisan being 1, 12 being -Adar I and 13 being Adar II; you must use `Adar I' if you want Adar of a -common Hebrew year. Hebrew date diary entries that begin with a -diary-nonmarking symbol will not be marked in the calendar. This function -is provided for use as part of the nongregorian-diary-marking-hook." - (let ((d diary-date-forms)) - (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-hebrew-month-name-array-leap-year t) - "\\|\\*")) - (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\\)" - (regexp-quote hebrew-diary-entry-symbol) - "\\(" - (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-hebrew-from-absolute - (calendar-absolute-from-gregorian - (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 mm-name) - (calendar-make-alist - calendar-hebrew-month-name-array-leap-year)))))) - (mark-hebrew-calendar-date-pattern mm dd yy))))) - (setq d (cdr d))))) - -(defun mark-hebrew-calendar-date-pattern (month day year) - "Mark dates in calendar window that conform to Hebrew date MONTH/DAY/YEAR. -A value of 0 in any position is a wildcard." - (save-excursion - (set-buffer calendar-buffer) - (if (and (/= 0 month) (/= 0 day)) - (if (/= 0 year) - ;; Fully specified Hebrew date. - (let ((date (calendar-gregorian-from-absolute - (calendar-absolute-from-hebrew - (list month day year))))) - (if (calendar-date-is-visible-p date) - (mark-visible-calendar-date date))) - ;; Month and day in any year--this taken from the holiday stuff. - (if (memq displayed-month;; This test is only to speed things up a - (list ;; bit; it works fine without the test too. - (if (< 11 month) (- month 11) (+ month 1)) - (if (< 10 month) (- month 10) (+ month 2)) - (if (< 9 month) (- month 9) (+ month 3)) - (if (< 8 month) (- month 8) (+ month 4)) - (if (< 7 month) (- month 7) (+ month 5)))) - (let ((m1 displayed-month) - (y1 displayed-year) - (m2 displayed-month) - (y2 displayed-year) - (year)) - (increment-calendar-month m1 y1 -1) - (increment-calendar-month m2 y2 1) - (let* ((start-date (calendar-absolute-from-gregorian - (list m1 1 y1))) - (end-date (calendar-absolute-from-gregorian - (list m2 - (calendar-last-day-of-month m2 y2) - y2))) - (hebrew-start - (calendar-hebrew-from-absolute start-date)) - (hebrew-end (calendar-hebrew-from-absolute end-date)) - (hebrew-y1 (extract-calendar-year hebrew-start)) - (hebrew-y2 (extract-calendar-year hebrew-end))) - (setq year (if (< 6 month) hebrew-y2 hebrew-y1)) - (let ((date (calendar-gregorian-from-absolute - (calendar-absolute-from-hebrew - (list month day year))))) - (if (calendar-date-is-visible-p date) - (mark-visible-calendar-date date))))))) - ;; Not one of the simple cases--check all visible dates for match. - ;; Actually, the following code takes care of ALL of the cases, but - ;; it's much too slow to be used for the simple (common) cases. - (let ((m displayed-month) - (y displayed-year) - (first-date) - (last-date)) - (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))) - (calendar-for-loop date from first-date to last-date do - (let* ((h-date (calendar-hebrew-from-absolute date)) - (h-month (extract-calendar-month h-date)) - (h-day (extract-calendar-day h-date)) - (h-year (extract-calendar-year h-date))) - (and (or (zerop month) - (= month h-month)) - (or (zerop day) - (= day h-day)) - (or (zerop year) - (= year h-year)) - (mark-visible-calendar-date - (calendar-gregorian-from-absolute date))))))))) - -(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-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-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-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)) - -(defun diary-iso-date () - "ISO calendar equivalent of date diary entry." - (format "ISO date: %s" (calendar-iso-date-string date))) - -(defun diary-islamic-date () - "Islamic calendar equivalent of date diary entry." - (let ((i (calendar-islamic-date-string (calendar-cursor-to-date t)))) - (if (string-equal i "") - "Date is pre-Islamic" - (format "Islamic date (until sunset): %s" i)))) - -(defun diary-hebrew-date () - "Hebrew calendar equivalent of date diary entry." - (format "Hebrew date (until sunset): %s" (calendar-hebrew-date-string date))) - -(defun diary-julian-date () - "Julian calendar equivalent of date diary entry." - (format "Julian date: %s" (calendar-julian-date-string date))) - -(defun diary-astro-day-number () - "Astronomical (Julian) day number diary entry." - (format "Astronomical (Julian) day number %s" - (calendar-astro-date-string date))) - -(defun diary-omer () - "Omer count diary entry. -Entry applies if date is within 50 days after Passover." - (let* ((passover - (calendar-absolute-from-hebrew - (list 1 15 (+ (extract-calendar-year date) 3760)))) - (omer (- (calendar-absolute-from-gregorian date) passover)) - (week (/ omer 7)) - (day (% omer 7))) - (if (and (> omer 0) (< omer 50)) - (format "Day %d%s of the omer (until sunset)" - omer - (if (zerop week) - "" - (format ", that is, %d week%s%s" - week - (if (= week 1) "" "s") - (if (zerop day) - "" - (format " and %d day%s" - day (if (= day 1) "" "s"))))))))) - -(defun diary-yahrzeit (death-month death-day death-year) - "Yahrzeit diary entry--entry applies if date is yahrzeit or the day before. -Parameters are DEATH-MONTH, DEATH-DAY, DEATH-YEAR; the diary entry is assumed -to be the name of the person. Date of death is on the *civil* calendar; -although the date of death is specified by the civil calendar, the proper -Hebrew calendar yahrzeit is determined. If `european-calendar-style' is t, the -order of the parameters is changed to DEATH-DAY, DEATH-MONTH, DEATH-YEAR." - (let* ((h-date (calendar-hebrew-from-absolute - (calendar-absolute-from-gregorian - (if european-calendar-style - (list death-day death-month death-year) - (list death-month death-day death-year))))) - (h-month (extract-calendar-month h-date)) - (h-day (extract-calendar-day h-date)) - (h-year (extract-calendar-year h-date)) - (d (calendar-absolute-from-gregorian date)) - (yr (extract-calendar-year (calendar-hebrew-from-absolute d))) - (diff (- yr h-year)) - (y (hebrew-calendar-yahrzeit h-date yr))) - (if (and (> diff 0) (or (= y d) (= y (1+ d)))) - (format "Yahrzeit of %s%s: %d%s anniversary" - entry - (if (= y d) "" " (evening)") - diff - (cond ((= (% diff 10) 1) "st") - ((= (% diff 10) 2) "nd") - ((= (% diff 10) 3) "rd") - (t "th")))))) - -(defun diary-rosh-hodesh () - "Rosh Hodesh diary entry. -Entry applies if date is Rosh Hodesh, the day before, or the Saturday before." - (let* ((d (calendar-absolute-from-gregorian date)) - (h-date (calendar-hebrew-from-absolute d)) - (h-month (extract-calendar-month h-date)) - (h-day (extract-calendar-day h-date)) - (h-year (extract-calendar-year h-date)) - (leap-year (hebrew-calendar-leap-year-p h-year)) - (last-day (hebrew-calendar-last-day-of-month h-month h-year)) - (h-month-names - (if leap-year - calendar-hebrew-month-name-array-leap-year - calendar-hebrew-month-name-array-common-year)) - (this-month (aref h-month-names (1- h-month))) - (h-yesterday (extract-calendar-day - (calendar-hebrew-from-absolute (1- d))))) - (if (or (= h-day 30) (and (= h-day 1) (/= h-month 7))) - (format - "Rosh Hodesh %s" - (if (= h-day 30) - (format - "%s (first day)" - ;; next month must be in the same year since this - ;; month can't be the last month of the year since - ;; it has 30 days - (aref h-month-names h-month)) - (if (= h-yesterday 30) - (format "%s (second day)" this-month) - this-month))) - (if (= (% d 7) 6);; Saturday--check for Shabbat Mevarhim - (cond ((and (> h-day 22) (/= h-month 6) (= 29 last-day)) - (format "Mevarhim Rosh Hodesh %s (%s)" - (aref h-month-names - (if (= h-month - (hebrew-calendar-last-month-of-year - h-year)) - 0 h-month)) - (aref calendar-day-name-array (- 29 h-day)))) - ((and (< h-day 30) (> h-day 22) (= 30 last-day)) - (format "Mevarhim Rosh Hodesh %s (%s-%s)" - (aref h-month-names h-month) - (if (= h-day 29) - "tomorrow" - (aref calendar-day-name-array (- 29 h-day))) - (aref calendar-day-name-array - (% (- 30 h-day) 7))))) - (if (and (= h-day 29) (/= h-month 6)) - (format "Erev Rosh Hodesh %s" - (aref h-month-names - (if (= h-month - (hebrew-calendar-last-month-of-year - h-year)) - 0 h-month)))))))) - -(defun diary-parasha () - "Parasha diary entry--entry applies if date is a Saturday." - (let ((d (calendar-absolute-from-gregorian date))) - (if (= (% d 7) 6);; Saturday - (let* - ((h-year (extract-calendar-year - (calendar-hebrew-from-absolute d))) - (rosh-hashannah - (calendar-absolute-from-hebrew (list 7 1 h-year))) - (passover - (calendar-absolute-from-hebrew (list 1 15 h-year))) - (rosh-hashannah-day - (aref calendar-day-name-array (% rosh-hashannah 7))) - (passover-day - (aref calendar-day-name-array (% passover 7))) - (long-h (hebrew-calendar-long-heshvan-p h-year)) - (short-k (hebrew-calendar-short-kislev-p h-year)) - (type (cond ((and long-h (not short-k)) "complete") - ((and (not long-h) short-k) "incomplete") - (t "regular"))) - (year-format - (symbol-value - (intern (format "hebrew-calendar-year-%s-%s-%s";; keviah - rosh-hashannah-day type passover-day)))) - (first-saturday;; of Hebrew year - (calendar-dayname-on-or-before 6 (+ 6 rosh-hashannah))) - (saturday;; which Saturday of the Hebrew year - (/ (- d first-saturday) 7)) - (parasha (aref year-format saturday))) - (if parasha - (format - "Parashat %s" - (if (listp parasha);; Israel differs from diaspora - (if (car parasha) - (format "%s (diaspora), %s (Israel)" - (hebrew-calendar-parasha-name (car parasha)) - (hebrew-calendar-parasha-name (cdr parasha))) - (format "%s (Israel)" - (hebrew-calendar-parasha-name (cdr parasha)))) - (hebrew-calendar-parasha-name parasha)))))))) - -(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)))))) - -(defvar hebrew-calendar-parashiot-names -["Bereshith" "Noah" "Lech L'cha" "Vayera" "Hayei Sarah" "Toledoth" - "Vayetze" "Vayishlah" "Vayeshev" "Mikketz" "Vayiggash" "Vayhi" - "Shemoth" "Vaera" "Bo" "Beshallah" "Yithro" "Mishpatim" - "Terumah" "Tetzavveh" "Ki Tissa" "Vayakhel" "Pekudei" "Vayikra" - "Tzav" "Shemini" "Tazria" "Metzora" "Aharei Moth" "Kedoshim" - "Emor" "Behar" "Behukkotai" "Bemidbar" "Naso" "Behaalot'cha" - "Shelah L'cha" "Korah" "Hukkath" "Balak" "Pinhas" "Mattoth" - "Masei" "Devarim" "Vaethanan" "Ekev" "Reeh" "Shofetim" - "Ki Tetze" "Ki Tavo" "Nitzavim" "Vayelech" "Haazinu"] - "The names of the parashiot in the Torah.") - -;; The seven ordinary year types (keviot) - -(defconst hebrew-calendar-year-Saturday-incomplete-Sunday - [nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] - 23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42] - 43 44 45 46 47 48 49 50] - "The structure of the parashiot. -Hebrew year starts on Saturday, is `incomplete' (Heshvan and Kislev each have -29 days), and has Passover start on Sunday.") - -(defconst hebrew-calendar-year-Saturday-complete-Tuesday - [nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] - 23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42] - 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each -have 30 days), and has Passover start on Tuesday.") - -(defconst hebrew-calendar-year-Monday-incomplete-Tuesday - [51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] - 23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42] - 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each -have 29 days), and has Passover start on Tuesday.") - -(defconst hebrew-calendar-year-Monday-complete-Thursday - [51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] - 23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 (nil . 34) (34 . 35) (35 . 36) - (36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have -30 days), and has Passover start on Thursday.") - -(defconst hebrew-calendar-year-Tuesday-regular-Thursday - [51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] - 23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 (nil . 34) (34 . 35) (35 . 36) - (36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and -Kislev has 30 days), and has Passover start on Thursday.") - -(defconst hebrew-calendar-year-Thursday-regular-Saturday - [52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 [21 22] 23 - 24 nil (nil . 25) (25 . [26 27]) ([26 27] . [28 29]) ([28 29] . 30) - (30 . 31) ([31 32] . 32) 33 34 35 36 37 38 39 40 [41 42] 43 44 45 46 47 48 - 49 50] - "The structure of the parashiot. -Hebrew year that starts on Thursday, is `regular' (Heshvan has 29 days and -Kislev has 30 days), and has Passover start on Saturday.") - -(defconst hebrew-calendar-year-Thursday-complete-Sunday - [52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 nil 25 [26 27] [28 29] 30 [31 32] 33 34 35 36 37 38 39 40 [41 42] - 43 44 45 46 47 48 49 50] - "The structure of the parashiot. -Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev each -have 30 days), and has Passover start on Sunday.") - -;; The seven leap year types (keviot) - -(defconst hebrew-calendar-year-Saturday-incomplete-Tuesday - [nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 25 26 27 nil 28 29 30 31 32 33 34 35 36 37 38 39 40 [41 42] - 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Saturday, is `incomplete' (Heshvan and Kislev each -have 29 days), and has Passover start on Tuesday.") - -(defconst hebrew-calendar-year-Saturday-complete-Thursday - [nil 52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 25 26 27 nil 28 29 30 31 32 33 (nil . 34) (34 . 35) (35 . 36) - (36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Saturday, is `complete' (Heshvan and Kislev each -have 30 days), and has Passover start on Thursday.") - -(defconst hebrew-calendar-year-Monday-incomplete-Thursday - [51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 25 26 27 nil 28 29 30 31 32 33 (nil . 34) (34 . 35) (35 . 36) - (36 . 37) (37 . 38) ([38 39] . 39) 40 [41 42] 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Monday, is `incomplete' (Heshvan and Kislev each -have 29 days), and has Passover start on Thursday.") - -(defconst hebrew-calendar-year-Monday-complete-Saturday - [51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 25 26 27 nil (nil . 28) (28 . 29) (29 . 30) (30 . 31) (31 . 32) - (32 . 33) (33 . 34) (34 . 35) (35 . 36) (36 . 37) (37 . 38) (38 . 39) - (39 . 40) (40 . 41) ([41 42] . 42) 43 44 45 46 47 48 49 50] - "The structure of the parashiot. -Hebrew year that starts on Monday, is `complete' (Heshvan and Kislev each have -30 days), and has Passover start on Saturday.") - -(defconst hebrew-calendar-year-Tuesday-regular-Saturday - [51 52 nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 25 26 27 nil (nil . 28) (28 . 29) (29 . 30) (30 . 31) (31 . 32) - (32 . 33) (33 . 34) (34 . 35) (35 . 36) (36 . 37) (37 . 38) (38 . 39) - (39 . 40) (40 . 41) ([41 42] . 42) 43 44 45 46 47 48 49 50] - "The structure of the parashiot. -Hebrew year that starts on Tuesday, is `regular' (Heshvan has 29 days and -Kislev has 30 days), and has Passover start on Saturday.") - -(defconst hebrew-calendar-year-Thursday-incomplete-Sunday - [52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 25 26 27 28 nil 29 30 31 32 33 34 35 36 37 38 39 40 41 42 - 43 44 45 46 47 48 49 50] - "The structure of the parashiot. -Hebrew year that starts on Thursday, is `incomplete' (Heshvan and Kislev both -have 29 days), and has Passover start on Sunday.") - -(defconst hebrew-calendar-year-Thursday-complete-Tuesday - [52 nil nil 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 - 23 24 25 26 27 28 nil 29 30 31 32 33 34 35 36 37 38 39 40 41 42 - 43 44 45 46 47 48 49 [50 51]] - "The structure of the parashiot. -Hebrew year that starts on Thursday, is `complete' (Heshvan and Kislev both -have 30 days), and has Passover start on Tuesday.") - -(defun hebrew-calendar-parasha-name (p) - "Name(s) corresponding to parasha P." - (if (arrayp p);; combined parasha - (format "%s/%s" - (aref hebrew-calendar-parashiot-names (aref p 0)) - (aref hebrew-calendar-parashiot-names (aref p 1))) - (aref hebrew-calendar-parashiot-names p))) - -(defun list-islamic-diary-entries () - "Add any Islamic date entries from the diary file to `diary-entries-list'. -Islamic date diary entries must be prefaced by an `islamic-diary-entry-symbol' -\(normally an `I'). The same diary date forms govern the style of the Islamic -calendar entries, except that the Islamic month names must be spelled in full. -The Islamic months are numbered from 1 to 12 with Muharram being 1 and 12 being -Dhu al-Hijjah. If an Islamic date diary entry begins with a -`diary-nonmarking-symbol', the entry will appear in the diary listing, but will -not be marked in the calendar. This function is provided for use with the -`nongregorian-diary-listing-hook'." - (if (< 0 number) - (let ((buffer-read-only nil) - (diary-modified (buffer-modified-p)) - (gdate original-date) - (mark (regexp-quote diary-nonmarking-symbol))) - (calendar-for-loop i from 1 to number do - (let* ((d diary-date-forms) - (idate (calendar-islamic-from-absolute - (calendar-absolute-from-gregorian gdate))) - (month (extract-calendar-month idate)) - (day (extract-calendar-day idate)) - (year (extract-calendar-year idate))) - (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 gdate) "\\|" - (substring (calendar-day-name gdate) 0 3) ".?")) - (calendar-month-name-array - calendar-islamic-month-name-array) - (monthname - (concat - "\\*\\|" - (calendar-month-name month))) - (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 "?" - (regexp-quote islamic-diary-entry-symbol) - "\\(" - (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. - (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 - gdate (buffer-substring entry-start (point))))))) - (setq d (cdr d)))) - (setq gdate - (calendar-gregorian-from-absolute - (1+ (calendar-absolute-from-gregorian gdate))))) - (set-buffer-modified-p diary-modified)) - (goto-char (point-min)))) - -(defun mark-islamic-diary-entries () - "Mark days in the calendar window that have Islamic date diary entries. -Each entry in diary-file (or included files) visible in the calendar window -is marked. Islamic date entries are prefaced by a islamic-diary-entry-symbol -\(normally an `I'). The same diary-date-forms govern the style of the Islamic -calendar entries, except that the Islamic month names must be spelled in full. -The Islamic months are numbered from 1 to 12 with Muharram being 1 and 12 being -Dhu al-Hijjah. Islamic date diary entries that begin with a -diary-nonmarking-symbol will not be marked in the calendar. This function is -provided for use as part of the nongregorian-diary-marking-hook." - (let ((d diary-date-forms)) - (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-islamic-month-name-array t) - "\\|\\*")) - (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\\)" - (regexp-quote islamic-diary-entry-symbol) - "\\(" - (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-islamic-from-absolute - (calendar-absolute-from-gregorian - (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 mm-name) - (calendar-make-alist - calendar-islamic-month-name-array)))))) - (mark-islamic-calendar-date-pattern mm dd yy))))) - (setq d (cdr d))))) - -(defun mark-islamic-calendar-date-pattern (month day year) - "Mark dates in calendar window that conform to Islamic date MONTH/DAY/YEAR. -A value of 0 in any position is a wildcard." - (save-excursion - (set-buffer calendar-buffer) - (if (and (/= 0 month) (/= 0 day)) - (if (/= 0 year) - ;; Fully specified Islamic date. - (let ((date (calendar-gregorian-from-absolute - (calendar-absolute-from-islamic - (list month day year))))) - (if (calendar-date-is-visible-p date) - (mark-visible-calendar-date date))) - ;; Month and day in any year--this taken from the holiday stuff. - (let* ((islamic-date (calendar-islamic-from-absolute - (calendar-absolute-from-gregorian - (list displayed-month 15 displayed-year)))) - (m (extract-calendar-month islamic-date)) - (y (extract-calendar-year islamic-date)) - (date)) - (if (< m 1) - nil;; Islamic calendar doesn't apply. - (increment-calendar-month m y (- 10 month)) - (if (> m 7);; Islamic date might be visible - (let ((date (calendar-gregorian-from-absolute - (calendar-absolute-from-islamic - (list month day y))))) - (if (calendar-date-is-visible-p date) - (mark-visible-calendar-date date))))))) - ;; Not one of the simple cases--check all visible dates for match. - ;; Actually, the following code takes care of ALL of the cases, but - ;; it's much too slow to be used for the simple (common) cases. - (let ((m displayed-month) - (y displayed-year) - (first-date) - (last-date)) - (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))) - (calendar-for-loop date from first-date to last-date do - (let* ((i-date (calendar-islamic-from-absolute date)) - (i-month (extract-calendar-month i-date)) - (i-day (extract-calendar-day i-date)) - (i-year (extract-calendar-year i-date))) - (and (or (zerop month) - (= month i-month)) - (or (zerop day) - (= day i-day)) - (or (zerop year) - (= year i-year)) - (mark-visible-calendar-date - (calendar-gregorian-from-absolute date))))))))) - -(provide 'diary-lib) - -;;; diary-lib.el ends here |