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Diffstat (limited to 'lisp/org-icalendar.el')
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diff --git a/lisp/org-icalendar.el b/lisp/org-icalendar.el deleted file mode 100644 index 8523b44..0000000 --- a/lisp/org-icalendar.el +++ /dev/null @@ -1,687 +0,0 @@ -;;; org-icalendar.el --- iCalendar export for Org-mode - -;; Copyright (C) 2004-2012 Free Software Foundation, Inc. - -;; Author: Carsten Dominik <carsten at orgmode dot org> -;; Keywords: outlines, hypermedia, calendar, wp -;; Homepage: http://orgmode.org -;; -;; 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. -;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; -;; -;;; Commentary: - -;;; Code: - -(require 'org-exp) - -(eval-when-compile (require 'cl)) - -(declare-function org-bbdb-anniv-export-ical "org-bbdb" nil) - -(defgroup org-export-icalendar nil - "Options specific for iCalendar export of Org-mode files." - :tag "Org Export iCalendar" - :group 'org-export) - -(defcustom org-combined-agenda-icalendar-file "~/org.ics" - "The file name for the iCalendar file covering all agenda files. -This file is created with the command \\[org-export-icalendar-all-agenda-files]. -The file name should be absolute, the file will be overwritten without warning." - :group 'org-export-icalendar - :type 'file) - -(defcustom org-icalendar-alarm-time 0 - "Number of minutes for triggering an alarm for exported timed events. -A zero value (the default) turns off the definition of an alarm trigger -for timed events. If non-zero, alarms are created. - -- a single alarm per entry is defined -- The alarm will go off N minutes before the event -- only a DISPLAY action is defined." - :group 'org-export-icalendar - :version "24.1" - :type 'integer) - -(defcustom org-icalendar-combined-name "OrgMode" - "Calendar name for the combined iCalendar representing all agenda files." - :group 'org-export-icalendar - :type 'string) - -(defcustom org-icalendar-combined-description nil - "Calendar description for the combined iCalendar (all agenda files)." - :group 'org-export-icalendar - :version "24.1" - :type 'string) - -(defcustom org-icalendar-use-plain-timestamp t - "Non-nil means make an event from every plain time stamp." - :group 'org-export-icalendar - :type 'boolean) - -(defcustom org-icalendar-honor-noexport-tag nil - "Non-nil means don't export entries with a tag in `org-export-exclude-tags'." - :group 'org-export-icalendar - :version "24.1" - :type 'boolean) - -(defcustom org-icalendar-use-deadline '(event-if-not-todo todo-due) - "Contexts where iCalendar export should use a deadline time stamp. -This is a list with several symbols in it. Valid symbol are: - -event-if-todo Deadlines in TODO entries become calendar events. -event-if-not-todo Deadlines in non-TODO entries become calendar events. -todo-due Use deadlines in TODO entries as due-dates" - :group 'org-export-icalendar - :type '(set :greedy t - (const :tag "Deadlines in non-TODO entries become events" - event-if-not-todo) - (const :tag "Deadline in TODO entries become events" - event-if-todo) - (const :tag "Deadlines in TODO entries become due-dates" - todo-due))) - -(defcustom org-icalendar-use-scheduled '(todo-start) - "Contexts where iCalendar export should use a scheduling time stamp. -This is a list with several symbols in it. Valid symbol are: - -event-if-todo Scheduling time stamps in TODO entries become an event. -event-if-not-todo Scheduling time stamps in non-TODO entries become an event. -todo-start Scheduling time stamps in TODO entries become start date. - Some calendar applications show TODO entries only after - that date." - :group 'org-export-icalendar - :type '(set :greedy t - (const :tag - "SCHEDULED timestamps in non-TODO entries become events" - event-if-not-todo) - (const :tag "SCHEDULED timestamps in TODO entries become events" - event-if-todo) - (const :tag "SCHEDULED in TODO entries become start date" - todo-start))) - -(defcustom org-icalendar-categories '(local-tags category) - "Items that should be entered into the categories field. -This is a list of symbols, the following are valid: - -category The Org-mode category of the current file or tree -todo-state The todo state, if any -local-tags The tags, defined in the current line -all-tags All tags, including inherited ones." - :group 'org-export-icalendar - :type '(repeat - (choice - (const :tag "The file or tree category" category) - (const :tag "The TODO state" todo-state) - (const :tag "Tags defined in current line" local-tags) - (const :tag "All tags, including inherited ones" all-tags)))) - -(defcustom org-icalendar-include-todo nil - "Non-nil means export to iCalendar files should also cover TODO items. -Valid values are: -nil don't include any TODO items -t include all TODO items that are not in a DONE state -unblocked include all TODO items that are not blocked -all include both done and not done items." - :group 'org-export-icalendar - :type '(choice - (const :tag "None" nil) - (const :tag "Unfinished" t) - (const :tag "Unblocked" unblocked) - (const :tag "All" all))) - -(defvar org-icalendar-verify-function nil - "Function to verify entries for iCalendar export. -This can be set to a function that will be called at each entry that -is considered for export to iCalendar. When the function returns nil, -the entry will be skipped. When it returns a non-nil value, the entry -will be considered for export. -This is used internally when an agenda buffer is exported to an ics file, -to make sure that only entries currently listed in the agenda will end -up in the ics file. But for normal iCalendar export, you can use this -for whatever you need.") - -(defcustom org-icalendar-include-bbdb-anniversaries nil - "Non-nil means a combined iCalendar files should include anniversaries. -The anniversaries are define in the BBDB database." - :group 'org-export-icalendar - :type 'boolean) - -(defcustom org-icalendar-include-sexps t - "Non-nil means export to iCalendar files should also cover sexp entries. -These are entries like in the diary, but directly in an Org-mode file." - :group 'org-export-icalendar - :type 'boolean) - -(defcustom org-icalendar-include-body 100 - "Amount of text below headline to be included in iCalendar export. -This is a number of characters that should maximally be included. -Properties, scheduling and clocking lines will always be removed. -The text will be inserted into the DESCRIPTION field." - :group 'org-export-icalendar - :type '(choice - (const :tag "Nothing" nil) - (const :tag "Everything" t) - (integer :tag "Max characters"))) - -(defcustom org-icalendar-store-UID nil - "Non-nil means store any created UIDs in properties. -The iCalendar standard requires that all entries have a unique identifier. -Org will create these identifiers as needed. When this variable is non-nil, -the created UIDs will be stored in the ID property of the entry. Then the -next time this entry is exported, it will be exported with the same UID, -superseding the previous form of it. This is essential for -synchronization services. -This variable is not turned on by default because we want to avoid creating -a property drawer in every entry if people are only playing with this feature, -or if they are only using it locally." - :group 'org-export-icalendar - :type 'boolean) - -(defcustom org-icalendar-timezone (getenv "TZ") - "The time zone string for iCalendar export. -When nil or the empty string, use output from \(current-time-zone\)." - :group 'org-export-icalendar - :type '(choice - (const :tag "Unspecified" nil) - (string :tag "Time zone"))) - -;; Backward compatibility with previous variable -(defvar org-icalendar-use-UTC-date-time nil) -(defcustom org-icalendar-date-time-format - (if org-icalendar-use-UTC-date-time - ":%Y%m%dT%H%M%SZ" - ":%Y%m%dT%H%M%S") - "Format-string for exporting icalendar DATE-TIME. -See `format-time-string' for a full documentation. The only -difference is that `org-icalendar-timezone' is used for %Z. - -Interesting value are: - - \":%Y%m%dT%H%M%S\" for local time - - \";TZID=%Z:%Y%m%dT%H%M%S\" for local time with explicit timezone - - \":%Y%m%dT%H%M%SZ\" for time expressed in Universal Time" - - :group 'org-export-icalendar - :version "24.1" - :type '(choice - (const :tag "Local time" ":%Y%m%dT%H%M%S") - (const :tag "Explicit local time" ";TZID=%Z:%Y%m%dT%H%M%S") - (const :tag "Universal time" ":%Y%m%dT%H%M%SZ") - (string :tag "Explicit format"))) - -(defun org-icalendar-use-UTC-date-timep () - (char-equal (elt org-icalendar-date-time-format - (1- (length org-icalendar-date-time-format))) ?Z)) - -;;; iCalendar export - -;;;###autoload -(defun org-export-icalendar-this-file () - "Export current file as an iCalendar file. -The iCalendar file will be located in the same directory as the Org-mode -file, but with extension `.ics'." - (interactive) - (org-export-icalendar nil buffer-file-name)) - -;;;###autoload -(defun org-export-icalendar-all-agenda-files () - "Export all files in the variable `org-agenda-files' to iCalendar .ics files. -Each iCalendar file will be located in the same directory as the Org-mode -file, but with extension `.ics'." - (interactive) - (apply 'org-export-icalendar nil (org-agenda-files t))) - -;;;###autoload -(defun org-export-icalendar-combine-agenda-files () - "Export all files in `org-agenda-files' to a single combined iCalendar file. -The file is stored under the name `org-combined-agenda-icalendar-file'." - (interactive) - (apply 'org-export-icalendar t (org-agenda-files t))) - -(defun org-export-icalendar (combine &rest files) - "Create iCalendar files for all elements of FILES. -If COMBINE is non-nil, combine all calendar entries into a single large -file and store it under the name `org-combined-agenda-icalendar-file'." - (save-excursion - (org-agenda-prepare-buffers files) - (let* ((dir (org-export-directory - :ical (list :publishing-directory - org-export-publishing-directory))) - file ical-file ical-buffer category started org-agenda-new-buffers) - (and (get-buffer "*ical-tmp*") (kill-buffer "*ical-tmp*")) - (when combine - (setq ical-file - (if (file-name-absolute-p org-combined-agenda-icalendar-file) - org-combined-agenda-icalendar-file - (expand-file-name org-combined-agenda-icalendar-file dir)) - ical-buffer (org-get-agenda-file-buffer ical-file)) - (set-buffer ical-buffer) (erase-buffer)) - (while (setq file (pop files)) - (catch 'nextfile - (org-check-agenda-file file) - (set-buffer (org-get-agenda-file-buffer file)) - (unless combine - (setq ical-file (concat (file-name-as-directory dir) - (file-name-sans-extension - (file-name-nondirectory buffer-file-name)) - ".ics")) - (setq ical-buffer (org-get-agenda-file-buffer ical-file)) - (with-current-buffer ical-buffer (erase-buffer))) - (setq category (or org-category - (file-name-sans-extension - (file-name-nondirectory buffer-file-name)))) - (if (symbolp category) (setq category (symbol-name category))) - (let ((standard-output ical-buffer)) - (if combine - (and (not started) (setq started t) - (org-icalendar-start-file org-icalendar-combined-name)) - (org-icalendar-start-file category)) - (org-icalendar-print-entries combine) - (when (or (and combine (not files)) (not combine)) - (when (and combine org-icalendar-include-bbdb-anniversaries) - (require 'org-bbdb) - (org-bbdb-anniv-export-ical)) - (org-icalendar-finish-file) - (set-buffer ical-buffer) - (run-hooks 'org-before-save-iCalendar-file-hook) - (save-buffer) - (run-hooks 'org-after-save-iCalendar-file-hook) - (and (boundp 'org-wait) (numberp org-wait) (sit-for org-wait)))))) - (org-release-buffers org-agenda-new-buffers)))) - -(defvar org-before-save-iCalendar-file-hook nil - "Hook run before an iCalendar file has been saved. -This can be used to modify the result of the export.") - -(defvar org-after-save-iCalendar-file-hook nil - "Hook run after an iCalendar file has been saved. -The iCalendar buffer is still current when this hook is run. -A good way to use this is to tell a desktop calendar application to re-read -the iCalendar file.") - -(defvar org-agenda-default-appointment-duration) ; defined in org-agenda.el -(defun org-icalendar-print-entries (&optional combine) - "Print iCalendar entries for the current Org-mode file to `standard-output'. -When COMBINE is non nil, add the category to each line." - (require 'org-agenda) - (let ((re1 (concat org-ts-regexp "\\|<%%([^>\n]+>")) - (re2 (concat "--?-?\\(" org-ts-regexp "\\)")) - (dts (org-icalendar-ts-to-string - (format-time-string (cdr org-time-stamp-formats) (current-time)) - "DTSTART")) - hd ts ts2 state status (inc t) pos b sexp rrule - scheduledp deadlinep todo prefix due start tags - tmp pri categories location summary desc uid alarm alarm-time - (sexp-buffer (get-buffer-create "*ical-tmp*"))) - (org-refresh-category-properties) - (save-excursion - (goto-char (point-min)) - (while (re-search-forward re1 nil t) - (catch :skip - (org-agenda-skip) - (when org-icalendar-verify-function - (unless (save-match-data (funcall org-icalendar-verify-function)) - (outline-next-heading) - (backward-char 1) - (throw :skip nil))) - (setq pos (match-beginning 0) - ts (match-string 0) - tags (org-get-tags-at) - inc t - hd (condition-case nil - (org-icalendar-cleanup-string - (org-get-heading t)) - (error (throw :skip nil))) - summary (org-icalendar-cleanup-string - (org-entry-get nil "SUMMARY")) - desc (org-icalendar-cleanup-string - (or (org-entry-get nil "DESCRIPTION") - (and org-icalendar-include-body (org-get-entry))) - t org-icalendar-include-body) - location (org-icalendar-cleanup-string - (org-entry-get nil "LOCATION" 'selective)) - uid (if org-icalendar-store-UID - (org-id-get-create) - (or (org-id-get) (org-id-new))) - categories (org-export-get-categories) - alarm-time (org-entry-get nil "APPT_WARNTIME") - alarm-time (if alarm-time (string-to-number alarm-time) 0) - alarm "" - deadlinep nil scheduledp nil) - (setq tmp (buffer-substring (max (point-min) (- pos org-ds-keyword-length)) pos) - deadlinep (string-match org-deadline-regexp tmp) - scheduledp (string-match org-scheduled-regexp tmp) - todo (org-get-todo-state)) - ;; donep (org-entry-is-done-p) - (if (looking-at re2) - (progn - (goto-char (match-end 0)) - (setq ts2 (match-string 1) - inc (not (string-match "[0-9]\\{1,2\\}:[0-9][0-9]" ts2)))) - (setq ts2 (if (string-match "[0-9]\\{1,2\\}:[0-9][0-9]-\\([0-9]\\{1,2\\}:[0-9][0-9]\\)" ts) - (progn - (setq inc nil) - (replace-match "\\1" t nil ts)) - ts))) - (when (and (not org-icalendar-use-plain-timestamp) - (not deadlinep) (not scheduledp)) - (throw :skip t)) - ;; don't export entries with a :noexport: tag - (when (and org-icalendar-honor-noexport-tag - (delq nil (mapcar (lambda(x) - (member x org-export-exclude-tags)) tags))) - (throw :skip t)) - (when (and - deadlinep - (if todo - (not (memq 'event-if-todo org-icalendar-use-deadline)) - (not (memq 'event-if-not-todo org-icalendar-use-deadline)))) - (throw :skip t)) - (when (and - scheduledp - (if todo - (not (memq 'event-if-todo org-icalendar-use-scheduled)) - (not (memq 'event-if-not-todo org-icalendar-use-scheduled)))) - (throw :skip t)) - (setq prefix (if deadlinep "DL-" (if scheduledp "SC-" "TS-"))) - (if (or (string-match org-tr-regexp hd) - (string-match org-ts-regexp hd)) - (setq hd (replace-match "" t t hd))) - (if (string-match "\\+\\([0-9]+\\)\\([hdwmy]\\)>" ts) - (setq rrule - (concat "\nRRULE:FREQ=" - (cdr (assoc - (match-string 2 ts) - '(("h" . "HOURLY")("d" . "DAILY")("w" . "WEEKLY") - ("m" . "MONTHLY")("y" . "YEARLY")))) - ";INTERVAL=" (match-string 1 ts))) - (setq rrule "")) - (setq summary (or summary hd)) - ;; create an alarm entry if the entry is timed. this is not very general in that: - ;; (a) only one alarm per entry is defined, - ;; (b) only minutes are allowed for the trigger period ahead of the start time, and - ;; (c) only a DISPLAY action is defined. - ;; [ESF] - (let ((t1 (ignore-errors (org-parse-time-string ts 'nodefault)))) - (if (and (or (> alarm-time 0) (> org-icalendar-alarm-time 0)) - (car t1) (nth 1 t1) (nth 2 t1)) - (setq alarm (format "\nBEGIN:VALARM\nACTION:DISPLAY\nDESCRIPTION:%s\nTRIGGER:-P0DT0H%dM0S\nEND:VALARM" - summary (or alarm-time org-icalendar-alarm-time))) - (setq alarm ""))) - (if (string-match org-bracket-link-regexp summary) - (setq summary - (replace-match (if (match-end 3) - (match-string 3 summary) - (match-string 1 summary)) - t t summary))) - (if deadlinep (setq summary (concat "DL: " summary))) - (if scheduledp (setq summary (concat "S: " summary))) - (if (string-match "\\`<%%" ts) - (with-current-buffer sexp-buffer - (let ((entry (substring ts 1 -1))) - (put-text-property 0 1 'uid - (concat " " prefix uid) entry) - (insert entry " " summary "\n"))) - (princ (format "BEGIN:VEVENT -UID: %s -%s -%s%s -SUMMARY:%s%s%s -CATEGORIES:%s%s -END:VEVENT\n" - (concat prefix uid) - (org-icalendar-ts-to-string ts "DTSTART") - (org-icalendar-ts-to-string ts2 "DTEND" inc) - rrule summary - (if (and desc (string-match "\\S-" desc)) - (concat "\nDESCRIPTION: " desc) "") - (if (and location (string-match "\\S-" location)) - (concat "\nLOCATION: " location) "") - categories - alarm))))) - (when (and org-icalendar-include-sexps - (condition-case nil (require 'icalendar) (error nil)) - (fboundp 'icalendar-export-region)) - ;; Get all the literal sexps - (goto-char (point-min)) - (while (re-search-forward "^&?%%(" nil t) - (catch :skip - (org-agenda-skip) - (when org-icalendar-verify-function - (unless (save-match-data (funcall org-icalendar-verify-function)) - (outline-next-heading) - (backward-char 1) - (throw :skip nil))) - (setq b (match-beginning 0)) - (goto-char (1- (match-end 0))) - (forward-sexp 1) - (end-of-line 1) - (setq sexp (buffer-substring b (point))) - (with-current-buffer sexp-buffer - (insert sexp "\n")))) - (princ (org-diary-to-ical-string sexp-buffer)) - (kill-buffer sexp-buffer)) - - (when org-icalendar-include-todo - (setq prefix "TODO-") - (goto-char (point-min)) - (while (re-search-forward org-complex-heading-regexp nil t) - (catch :skip - (org-agenda-skip) - (when org-icalendar-verify-function - (unless (save-match-data - (funcall org-icalendar-verify-function)) - (outline-next-heading) - (backward-char 1) - (throw :skip nil))) - (setq state (match-string 2)) - (setq status (if (member state org-done-keywords) - "COMPLETED" "NEEDS-ACTION")) - (when (and state - (cond - ;; check if the state is one we should use - ((eq org-icalendar-include-todo 'all) - ;; all should be included - t) - ((eq org-icalendar-include-todo 'unblocked) - ;; only undone entries that are not blocked - (and (member state org-not-done-keywords) - (or (not org-blocker-hook) - (save-match-data - (run-hook-with-args-until-failure - 'org-blocker-hook - (list :type 'todo-state-change - :position (point-at-bol) - :from 'todo - :to 'done)))))) - ((eq org-icalendar-include-todo t) - ;; include everything that is not done - (member state org-not-done-keywords)))) - (setq hd (match-string 4) - summary (org-icalendar-cleanup-string - (org-entry-get nil "SUMMARY")) - desc (org-icalendar-cleanup-string - (or (org-entry-get nil "DESCRIPTION") - (and org-icalendar-include-body (org-get-entry))) - t org-icalendar-include-body) - location (org-icalendar-cleanup-string - (org-entry-get nil "LOCATION" 'selective)) - due (and (member 'todo-due org-icalendar-use-deadline) - (org-entry-get nil "DEADLINE")) - start (and (member 'todo-start org-icalendar-use-scheduled) - (org-entry-get nil "SCHEDULED")) - categories (org-export-get-categories) - uid (if org-icalendar-store-UID - (org-id-get-create) - (or (org-id-get) (org-id-new)))) - (and due (setq due (org-icalendar-ts-to-string due "DUE"))) - (and start (setq start (org-icalendar-ts-to-string start "DTSTART"))) - - (if (string-match org-bracket-link-regexp hd) - (setq hd (replace-match (if (match-end 3) (match-string 3 hd) - (match-string 1 hd)) - t t hd))) - (if (string-match org-priority-regexp hd) - (setq pri (string-to-char (match-string 2 hd)) - hd (concat (substring hd 0 (match-beginning 1)) - (substring hd (match-end 1)))) - (setq pri org-default-priority)) - (setq pri (floor (- 9 (* 8. (/ (float (- org-lowest-priority pri)) - (- org-lowest-priority org-highest-priority)))))) - - (princ (format "BEGIN:VTODO -UID: %s -%s -SUMMARY:%s%s%s%s -CATEGORIES:%s -SEQUENCE:1 -PRIORITY:%d -STATUS:%s -END:VTODO\n" - (concat prefix uid) - (or start dts) - (or summary hd) - (if (and location (string-match "\\S-" location)) - (concat "\nLOCATION: " location) "") - (if (and desc (string-match "\\S-" desc)) - (concat "\nDESCRIPTION: " desc) "") - (if due (concat "\n" due) "") - categories - pri status))))))))) - -(defun org-export-get-categories () - "Get categories according to `org-icalendar-categories'." - (let ((cs org-icalendar-categories) c rtn tmp) - (while (setq c (pop cs)) - (cond - ((eq c 'category) (push (org-get-category) rtn)) - ((eq c 'todo-state) - (setq tmp (org-get-todo-state)) - (and tmp (push tmp rtn))) - ((eq c 'local-tags) - (setq rtn (append (nreverse (org-get-local-tags-at (point))) rtn))) - ((eq c 'all-tags) - (setq rtn (append (nreverse (org-get-tags-at (point))) rtn))))) - (mapconcat 'identity (nreverse rtn) ","))) - -(defun org-icalendar-cleanup-string (s &optional is-body maxlength) - "Take out stuff and quote what needs to be quoted. -When IS-BODY is non-nil, assume that this is the body of an item, clean up -whitespace, newlines, drawers, and timestamps, and cut it down to MAXLENGTH -characters." - (if (not s) - nil - (if is-body - (let ((re (concat "\\(" org-drawer-regexp "\\)[^\000]*?:END:.*\n?")) - (re2 (concat "^[ \t]*" org-keyword-time-regexp ".*\n?"))) - (while (string-match re s) (setq s (replace-match "" t t s))) - (while (string-match re2 s) (setq s (replace-match "" t t s)))) - (setq s (replace-regexp-in-string "[[:space:]]+" " " s))) - (let ((start 0)) - (while (string-match "\\([,;]\\)" s start) - (setq start (+ (match-beginning 0) 2) - s (replace-match "\\\\\\1" nil nil s)))) - (setq s (org-trim s)) - (when is-body - (while (string-match "[ \t]*\n[ \t]*" s) - (setq s (replace-match "\\n" t t s)))) - (if is-body - (if maxlength - (if (and (numberp maxlength) - (> (length s) maxlength)) - (setq s (substring s 0 maxlength))))) - s)) - -(defun org-icalendar-cleanup-string-rfc2455 (s &optional is-body maxlength) - "Take out stuff and quote what needs to be quoted. -When IS-BODY is non-nil, assume that this is the body of an item, clean up -whitespace, newlines, drawers, and timestamps, and cut it down to MAXLENGTH -characters. -This seems to be more like RFC 2455, but it causes problems, so it is -not used right now." - (if (not s) - nil - (if is-body - (let ((re (concat "\\(" org-drawer-regexp "\\)[^\000]*?:END:.*\n?")) - (re2 (concat "^[ \t]*" org-keyword-time-regexp ".*\n?"))) - (while (string-match re s) (setq s (replace-match "" t t s))) - (while (string-match re2 s) (setq s (replace-match "" t t s))) - (setq s (org-trim s)) - (while (string-match "[ \t]*\n[ \t]*" s) - (setq s (replace-match "\\n" t t s))) - (if maxlength - (if (and (numberp maxlength) - (> (length s) maxlength)) - (setq s (substring s 0 maxlength))))) - (setq s (org-trim s))) - (while (string-match "\"" s) (setq s (replace-match "''" t t s))) - (when (string-match "[;,:]" s) (setq s (concat "\"" s "\""))) - s)) - -(defun org-icalendar-start-file (name) - "Start an iCalendar file by inserting the header." - (let ((user user-full-name) - (name (or name "unknown")) - (timezone (if (> (length org-icalendar-timezone) 0) - org-icalendar-timezone - (cadr (current-time-zone)))) - (description org-icalendar-combined-description)) - (princ - (format "BEGIN:VCALENDAR -VERSION:2.0 -X-WR-CALNAME:%s -PRODID:-//%s//Emacs with Org-mode//EN -X-WR-TIMEZONE:%s -X-WR-CALDESC:%s -CALSCALE:GREGORIAN\n" name user timezone description)))) - -(defun org-icalendar-finish-file () - "Finish an iCalendar file by inserting the END statement." - (princ "END:VCALENDAR\n")) - -(defun org-icalendar-ts-to-string (s keyword &optional inc) - "Take a time string S and convert it to iCalendar format. -KEYWORD is added in front, to make a complete line like DTSTART.... -When INC is non-nil, increase the hour by two (if time string contains -a time), or the day by one (if it does not contain a time)." - (let ((t1 (ignore-errors (org-parse-time-string s 'nodefault))) - t2 fmt have-time time) - (if (not t1) - "" - (if (and (car t1) (nth 1 t1) (nth 2 t1)) - (setq t2 t1 have-time t) - (setq t2 (org-parse-time-string s))) - (let ((s (car t2)) (mi (nth 1 t2)) (h (nth 2 t2)) - (d (nth 3 t2)) (m (nth 4 t2)) (y (nth 5 t2))) - (when inc - (if have-time - (if org-agenda-default-appointment-duration - (setq mi (+ org-agenda-default-appointment-duration mi)) - (setq h (+ 2 h))) - (setq d (1+ d)))) - (setq time (encode-time s mi h d m y))) - (setq fmt (if have-time - (replace-regexp-in-string "%Z" - org-icalendar-timezone - org-icalendar-date-time-format) - ";VALUE=DATE:%Y%m%d")) - (concat keyword (format-time-string fmt time - (and (org-icalendar-use-UTC-date-timep) - have-time)))))) - -(provide 'org-icalendar) - -;;; org-icalendar.el ends here |