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2ad802968b
Define a new variable org-icalendar-use-UTC-date-time that when non-nil make icalendar exporter to use UTC date-time for better compatibility with some other software (as GCALDaemon). * lisp/org-icalendar.el (org-icalendar-use-UTC-date-time): New option. (org-ical-ts-to-string): Use UTC time when requested.
656 lines
24 KiB
EmacsLisp
656 lines
24 KiB
EmacsLisp
;;; org-icalendar.el --- iCalendar export for Org-mode
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;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
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;; Free Software Foundation, Inc.
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;; Version: 7.01trans
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;;
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;; This file is part of GNU Emacs.
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;;
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Commentary:
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;;; Code:
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(require 'org-exp)
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(eval-when-compile
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(require 'cl))
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(declare-function org-bbdb-anniv-export-ical "org-bbdb" nil)
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(defgroup org-export-icalendar nil
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"Options specific for iCalendar export of Org-mode files."
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:tag "Org Export iCalendar"
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:group 'org-export)
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(defcustom org-combined-agenda-icalendar-file "~/org.ics"
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"The file name for the iCalendar file covering all agenda files.
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This file is created with the command \\[org-export-icalendar-all-agenda-files].
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The file name should be absolute, the file will be overwritten without warning."
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:group 'org-export-icalendar
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:type 'file)
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(defcustom org-icalendar-alarm-time 0
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"Number of minutes for triggering an alarm for exported timed events.
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A zero value (the default) turns off the definition of an alarm trigger
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for timed events. If non-zero, alarms are created.
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- a single alarm per entry is defined
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- The alarm will go off N minutes before the event
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- only a DISPLAY action is defined."
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:group 'org-export-icalendar
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:type 'integer)
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(defcustom org-icalendar-combined-name "OrgMode"
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"Calendar name for the combined iCalendar representing all agenda files."
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:group 'org-export-icalendar
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:type 'string)
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(defcustom org-icalendar-combined-description nil
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"Calendar description for the combined iCalendar (all agenda files)."
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:group 'org-export-icalendar
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:type 'string)
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(defcustom org-icalendar-use-plain-timestamp t
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"Non-nil means make an event from every plain time stamp."
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:group 'org-export-icalendar
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:type 'boolean)
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(defcustom org-icalendar-use-deadline '(event-if-not-todo todo-due)
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"Contexts where iCalendar export should use a deadline time stamp.
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This is a list with several symbols in it. Valid symbol are:
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event-if-todo Deadlines in TODO entries become calendar events.
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event-if-not-todo Deadlines in non-TODO entries become calendar events.
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todo-due Use deadlines in TODO entries as due-dates"
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:group 'org-export-icalendar
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:type '(set :greedy t
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(const :tag "Deadlines in non-TODO entries become events"
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event-if-not-todo)
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(const :tag "Deadline in TODO entries become events"
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event-if-todo)
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(const :tag "Deadlines in TODO entries become due-dates"
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todo-due)))
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(defcustom org-icalendar-use-scheduled '(todo-start)
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"Contexts where iCalendar export should use a scheduling time stamp.
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This is a list with several symbols in it. Valid symbol are:
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event-if-todo Scheduling time stamps in TODO entries become an event.
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event-if-not-todo Scheduling time stamps in non-TODO entries become an event.
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todo-start Scheduling time stamps in TODO entries become start date.
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Some calendar applications show TODO entries only after
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that date."
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:group 'org-export-icalendar
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:type '(set :greedy t
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(const :tag
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"SCHEDULED timestamps in non-TODO entries become events"
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event-if-not-todo)
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(const :tag "SCHEDULED timestamps in TODO entries become events"
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event-if-todo)
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(const :tag "SCHEDULED in TODO entries become start date"
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todo-start)))
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(defcustom org-icalendar-categories '(local-tags category)
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"Items that should be entered into the categories field.
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This is a list of symbols, the following are valid:
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category The Org-mode category of the current file or tree
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todo-state The todo state, if any
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local-tags The tags, defined in the current line
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all-tags All tags, including inherited ones."
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:group 'org-export-icalendar
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:type '(repeat
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(choice
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(const :tag "The file or tree category" category)
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(const :tag "The TODO state" todo-state)
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(const :tag "Tags defined in current line" local-tags)
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(const :tag "All tags, including inherited ones" all-tags))))
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(defcustom org-icalendar-include-todo nil
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"Non-nil means export to iCalendar files should also cover TODO items.
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Valid values are:
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nil don't include any TODO items
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t include all TODO items that are not in a DONE state
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unblocked include all TODO items that are not blocked
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all include both done and not done items."
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:group 'org-export-icalendar
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:type '(choice
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(const :tag "None" nil)
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(const :tag "Unfinished" t)
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(const :tag "Unblocked" unblocked)
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(const :tag "All" all)))
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(defvar org-icalendar-verify-function nil
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"Function to verify entries for iCalendar export.
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This can be set to a function that will be called at each entry that
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is considered for export to iCalendar. When the function returns nil,
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the entry will be skipped. When it returns a non-nil value, the entry
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will be considered for export.
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This is used internally when an agenda buffer is exported to an ics file,
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to make sure that only entries currently listed in the agenda will end
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up in the ics file. But for normal iCalendar export, you can use this
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for whatever you need.")
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(defcustom org-icalendar-include-bbdb-anniversaries nil
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"Non-nil means a combined iCalendar files should include anniversaries.
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The anniversaries are define in the BBDB database."
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:group 'org-export-icalendar
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:type 'boolean)
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(defcustom org-icalendar-include-sexps t
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"Non-nil means export to iCalendar files should also cover sexp entries.
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These are entries like in the diary, but directly in an Org-mode file."
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:group 'org-export-icalendar
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:type 'boolean)
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(defcustom org-icalendar-include-body 100
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"Amount of text below headline to be included in iCalendar export.
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This is a number of characters that should maximally be included.
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Properties, scheduling and clocking lines will always be removed.
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The text will be inserted into the DESCRIPTION field."
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:group 'org-export-icalendar
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:type '(choice
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(const :tag "Nothing" nil)
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(const :tag "Everything" t)
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(integer :tag "Max characters")))
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(defcustom org-icalendar-store-UID nil
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"Non-nil means store any created UIDs in properties.
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The iCalendar standard requires that all entries have a unique identifier.
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Org will create these identifiers as needed. When this variable is non-nil,
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the created UIDs will be stored in the ID property of the entry. Then the
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next time this entry is exported, it will be exported with the same UID,
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superseding the previous form of it. This is essential for
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synchronization services.
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This variable is not turned on by default because we want to avoid creating
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a property drawer in every entry if people are only playing with this feature,
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or if they are only using it locally."
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:group 'org-export-icalendar
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:type 'boolean)
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(defcustom org-icalendar-timezone (getenv "TZ")
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"The time zone string for iCalendar export.
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When nil of the empty string, use the abbreviation retrieved from Emacs."
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:group 'org-export-icalendar
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:type '(choice
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(const :tag "Unspecified" nil)
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(string :tag "Time zone")))
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(defcustom org-icalendar-use-UTC-date-time ()
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"Non-nil force the use of the universal time for iCalendar DATE-TIME.
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The iCalendar DATE-TIME can be expressed with local time or universal Time,
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universal time could be more compatible with some external tools."
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:group 'org-export-icalendar
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:type 'boolean)
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;;; iCalendar export
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;;;###autoload
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(defun org-export-icalendar-this-file ()
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"Export current file as an iCalendar file.
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The iCalendar file will be located in the same directory as the Org-mode
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file, but with extension `.ics'."
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(interactive)
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(org-export-icalendar nil buffer-file-name))
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;;;###autoload
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(defun org-export-icalendar-all-agenda-files ()
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"Export all files in the variable `org-agenda-files' to iCalendar .ics files.
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Each iCalendar file will be located in the same directory as the Org-mode
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file, but with extension `.ics'."
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(interactive)
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(apply 'org-export-icalendar nil (org-agenda-files t)))
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;;;###autoload
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(defun org-export-icalendar-combine-agenda-files ()
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"Export all files in `org-agenda-files' to a single combined iCalendar file.
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The file is stored under the name `org-combined-agenda-icalendar-file'."
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(interactive)
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(apply 'org-export-icalendar t (org-agenda-files t)))
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(defun org-export-icalendar (combine &rest files)
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"Create iCalendar files for all elements of FILES.
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If COMBINE is non-nil, combine all calendar entries into a single large
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file and store it under the name `org-combined-agenda-icalendar-file'."
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(save-excursion
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(org-prepare-agenda-buffers files)
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(let* ((dir (org-export-directory
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:ical (list :publishing-directory
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org-export-publishing-directory)))
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file ical-file ical-buffer category started org-agenda-new-buffers)
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(and (get-buffer "*ical-tmp*") (kill-buffer "*ical-tmp*"))
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(when combine
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(setq ical-file
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(if (file-name-absolute-p org-combined-agenda-icalendar-file)
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org-combined-agenda-icalendar-file
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(expand-file-name org-combined-agenda-icalendar-file dir))
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ical-buffer (org-get-agenda-file-buffer ical-file))
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(set-buffer ical-buffer) (erase-buffer))
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(while (setq file (pop files))
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(catch 'nextfile
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(org-check-agenda-file file)
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(set-buffer (org-get-agenda-file-buffer file))
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(unless combine
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(setq ical-file (concat (file-name-as-directory dir)
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(file-name-sans-extension
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(file-name-nondirectory buffer-file-name))
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".ics"))
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(setq ical-buffer (org-get-agenda-file-buffer ical-file))
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(with-current-buffer ical-buffer (erase-buffer)))
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(setq category (or org-category
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(file-name-sans-extension
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(file-name-nondirectory buffer-file-name))))
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(if (symbolp category) (setq category (symbol-name category)))
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(let ((standard-output ical-buffer))
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(if combine
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(and (not started) (setq started t)
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(org-start-icalendar-file org-icalendar-combined-name))
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(org-start-icalendar-file category))
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(org-print-icalendar-entries combine)
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(when (or (and combine (not files)) (not combine))
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(when (and combine org-icalendar-include-bbdb-anniversaries)
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(require 'org-bbdb)
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(org-bbdb-anniv-export-ical))
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(org-finish-icalendar-file)
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(set-buffer ical-buffer)
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(run-hooks 'org-before-save-iCalendar-file-hook)
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(save-buffer)
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(run-hooks 'org-after-save-iCalendar-file-hook)
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(and (boundp 'org-wait) (numberp org-wait) (sit-for org-wait))
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))))
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(org-release-buffers org-agenda-new-buffers))))
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(defvar org-before-save-iCalendar-file-hook nil
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"Hook run before an iCalendar file has been saved.
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This can be used to modify the result of the export.")
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(defvar org-after-save-iCalendar-file-hook nil
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"Hook run after an iCalendar file has been saved.
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The iCalendar buffer is still current when this hook is run.
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A good way to use this is to tell a desktop calendar application to re-read
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the iCalendar file.")
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(defvar org-agenda-default-appointment-duration) ; defined in org-agenda.el
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(defun org-print-icalendar-entries (&optional combine)
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"Print iCalendar entries for the current Org-mode file to `standard-output'.
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When COMBINE is non nil, add the category to each line."
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(require 'org-agenda)
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(let ((re1 (concat org-ts-regexp "\\|<%%([^>\n]+>"))
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(re2 (concat "--?-?\\(" org-ts-regexp "\\)"))
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(dts (org-ical-ts-to-string
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(format-time-string (cdr org-time-stamp-formats) (current-time))
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"DTSTART"))
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hd ts ts2 state status (inc t) pos b sexp rrule
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scheduledp deadlinep todo prefix due start
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tmp pri categories location summary desc uid alarm
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(sexp-buffer (get-buffer-create "*ical-tmp*")))
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(org-refresh-category-properties)
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward re1 nil t)
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(catch :skip
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(org-agenda-skip)
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(when org-icalendar-verify-function
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(unless (save-match-data (funcall org-icalendar-verify-function))
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(outline-next-heading)
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(backward-char 1)
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(throw :skip nil)))
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(setq pos (match-beginning 0)
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ts (match-string 0)
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inc t
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hd (condition-case nil
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(org-icalendar-cleanup-string
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(org-get-heading t))
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(error (throw :skip nil)))
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summary (org-icalendar-cleanup-string
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(org-entry-get nil "SUMMARY"))
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desc (org-icalendar-cleanup-string
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(or (org-entry-get nil "DESCRIPTION")
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(and org-icalendar-include-body (org-get-entry)))
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t org-icalendar-include-body)
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location (org-icalendar-cleanup-string
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(org-entry-get nil "LOCATION" 'selective))
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uid (if org-icalendar-store-UID
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(org-id-get-create)
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(or (org-id-get) (org-id-new)))
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categories (org-export-get-categories)
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alarm ""
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deadlinep nil scheduledp nil)
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(if (looking-at re2)
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(progn
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(goto-char (match-end 0))
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(setq ts2 (match-string 1)
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inc (not (string-match "[0-9]\\{1,2\\}:[0-9][0-9]" ts2))))
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(setq tmp (buffer-substring (max (point-min)
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(- pos org-ds-keyword-length))
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pos)
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ts2 (if (string-match "[0-9]\\{1,2\\}:[0-9][0-9]-\\([0-9]\\{1,2\\}:[0-9][0-9]\\)" ts)
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(progn
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(setq inc nil)
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(replace-match "\\1" t nil ts))
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ts)
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deadlinep (string-match org-deadline-regexp tmp)
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scheduledp (string-match org-scheduled-regexp tmp)
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todo (org-get-todo-state)
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;; donep (org-entry-is-done-p)
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))
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(when (and (not org-icalendar-use-plain-timestamp)
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(not deadlinep) (not scheduledp))
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(throw :skip t))
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(when (and
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deadlinep
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(if todo
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(not (memq 'event-if-todo org-icalendar-use-deadline))
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(not (memq 'event-if-not-todo org-icalendar-use-deadline))))
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(throw :skip t))
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(when (and
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scheduledp
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(if todo
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(not (memq 'event-if-todo org-icalendar-use-scheduled))
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(not (memq 'event-if-not-todo org-icalendar-use-scheduled))))
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(throw :skip t))
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(setq prefix (if deadlinep "DL-" (if scheduledp "SC-" "TS-")))
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(if (or (string-match org-tr-regexp hd)
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(string-match org-ts-regexp hd))
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(setq hd (replace-match "" t t hd)))
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(if (string-match "\\+\\([0-9]+\\)\\([dwmy]\\)>" ts)
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(setq rrule
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(concat "\nRRULE:FREQ="
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(cdr (assoc
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(match-string 2 ts)
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'(("d" . "DAILY")("w" . "WEEKLY")
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("m" . "MONTHLY")("y" . "YEARLY"))))
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";INTERVAL=" (match-string 1 ts)))
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(setq rrule ""))
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(setq summary (or summary hd))
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;; create an alarm entry if the entry is timed. this is not very general in that:
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;; (a) only one alarm per entry is defined,
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;; (b) only minutes are allowed for the trigger period ahead of the start time, and
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;; (c) only a DISPLAY action is defined.
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;; [ESF]
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(let ((t1 (ignore-errors (org-parse-time-string ts 'nodefault))))
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(if (and (> org-icalendar-alarm-time 0)
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(car t1) (nth 1 t1) (nth 2 t1))
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(setq alarm (format "\nBEGIN:VALARM\nACTION:DISPLAY\nDESCRIPTION:%s\nTRIGGER:-P0D0H%dM0S\nEND:VALARM" summary org-icalendar-alarm-time))
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(setq alarm ""))
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)
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(if (string-match org-bracket-link-regexp summary)
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(setq summary
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(replace-match (if (match-end 3)
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(match-string 3 summary)
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(match-string 1 summary))
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t t summary)))
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(if deadlinep (setq summary (concat "DL: " summary)))
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(if scheduledp (setq summary (concat "S: " summary)))
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(if (string-match "\\`<%%" ts)
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(with-current-buffer sexp-buffer
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(insert (substring ts 1 -1) " " summary "\n"))
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(princ (format "BEGIN:VEVENT
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UID: %s
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%s
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%s%s
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SUMMARY:%s%s%s
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CATEGORIES:%s%s
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END:VEVENT\n"
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(concat prefix uid)
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(org-ical-ts-to-string ts "DTSTART")
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(org-ical-ts-to-string ts2 "DTEND" inc)
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rrule summary
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(if (and desc (string-match "\\S-" desc))
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(concat "\nDESCRIPTION: " desc) "")
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(if (and location (string-match "\\S-" location))
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(concat "\nLOCATION: " location) "")
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categories
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alarm)))))
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(when (and org-icalendar-include-sexps
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(condition-case nil (require 'icalendar) (error nil))
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(fboundp 'icalendar-export-region))
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;; Get all the literal sexps
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(goto-char (point-min))
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(while (re-search-forward "^&?%%(" nil t)
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(catch :skip
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(org-agenda-skip)
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(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-ical-ts-to-string due "DUE")))
|
|
(and start (setq start (org-ical-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-start-icalendar-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-finish-icalendar-file ()
|
|
"Finish an iCalendar file by inserting the END statement."
|
|
(princ "END:VCALENDAR\n"))
|
|
|
|
(defun org-ical-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 (if org-icalendar-use-UTC-date-time
|
|
":%Y%m%dT%H%M%SZ"
|
|
":%Y%m%dT%H%M%S")
|
|
";VALUE=DATE:%Y%m%d"))
|
|
(concat keyword (format-time-string fmt time
|
|
(and org-icalendar-use-UTC-date-time
|
|
have-time))))))
|
|
|
|
(provide 'org-icalendar)
|
|
|
|
;; arch-tag: 2dee2b6e-9211-4aee-8a47-a3c7e5bc30cf
|
|
;;; org-icalendar.el ends here
|