lisp/org-mobile.el

   1 ;;; org-mobile.el --- Code for asymmetric sync with a mobile device
   2 ;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
   3 ;;
   4 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   5 ;; Keywords: outlines, hypermedia, calendar, wp
   6 ;; Homepage: http://orgmode.org
   7 ;;
   8 ;; This file is part of GNU Emacs.
   9 ;;
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14 ;;
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19 ;;
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22 ;;
  23 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  24 ;;
  25 ;;; Commentary:
  26 ;;
  27 ;; This file contains the code to interact with Richard Moreland's iPhone
  28 ;; application MobileOrg, as well as with the Android version by Matthew Jones.
  29 ;; This code is documented in Appendix B of the Org-mode manual.  The code is
  30 ;; not specific for the iPhone and Android - any external
  31 ;; viewer/flagging/editing application that uses the same conventions could
  32 ;; be used.
  33
  34 (require 'org)
  35 (require 'org-agenda)
  36 ;;; Code:
  37
  38 (eval-when-compile (require 'cl))
  39
  40 (declare-function org-pop-to-buffer-same-window
  41                   "org-compat" (&optional buffer-or-name norecord label))
  42
  43 (defgroup org-mobile nil
  44   "Options concerning support for a viewer/editor on a mobile device."
  45   :tag "Org Mobile"
  46   :group 'org)
  47
  48 (defcustom org-mobile-files '(org-agenda-files)
  49   "Files to be staged for MobileOrg.
  50 This is basically a list of files and directories.  Files will be staged
  51 directly.  Directories will be search for files with the extension `.org'.
  52 In addition to this, the list may also contain the following symbols:
  53
  54 org-agenda-files
  55      This means include the complete, unrestricted list of files given in
  56      the variable `org-agenda-files'.
  57 org-agenda-text-search-extra-files
  58      Include the files given in the variable
  59      `org-agenda-text-search-extra-files'"
  60   :group 'org-mobile
  61   :type '(list :greedy t
  62                (option (const :tag "org-agenda-files" org-agenda-files))
  63                (option (const :tag "org-agenda-text-search-extra-files"
  64                               org-agenda-text-search-extra-files))
  65                (repeat :inline t :tag "Additional files"
  66                        (file))))
  67
  68 (defcustom org-mobile-files-exclude-regexp ""
  69   "A regexp to exclude files from `org-mobile-files'."
  70   :group 'org-mobile
  71   :version "24.1"
  72   :type 'regexp)
  73
  74 (defcustom org-mobile-directory ""
  75   "The WebDAV directory where the interaction with the mobile takes place."
  76   :group 'org-mobile
  77   :type 'directory)
  78
  79 (defcustom org-mobile-use-encryption nil
  80   "Non-nil means keep only encrypted files on the WebDAV server.
  81 Encryption uses AES-256, with a password given in
  82 `org-mobile-encryption-password'.
  83 When nil, plain files are kept on the server.
  84 Turning on encryption requires to set the same password in the MobileOrg
  85 application.  Before turning this on, check of MobileOrg does already
  86 support it - at the time of this writing it did not yet."
  87   :group 'org-mobile
  88   :version "24.1"
  89   :type 'boolean)
  90
  91 (defcustom org-mobile-encryption-tempfile "~/orgtmpcrypt"
  92   "File that is being used as a temporary file for encryption.
  93 This must be local file on your local machine (not on the WebDAV server).
  94 You might want to put this file into a directory where only you have access."
  95   :group 'org-mobile
  96   :version "24.1"
  97   :type 'directory)
  98
  99 (defcustom org-mobile-encryption-password ""
 100   "Password for encrypting files uploaded to the server.
 101 This is a single password which is used for AES-256 encryption.  The same
 102 password must also be set in the MobileOrg application.  All Org files,
 103 including mobileorg.org will be encrypted using this password.
 104
 105 SECURITY CONSIDERATIONS:
 106
 107 Note that, when Org runs the encryption commands, the password could
 108 be visible briefly on your system with the `ps' command.  So this method is
 109 only intended to keep the files secure on the server, not on your own machine.
 110
 111 Also, if you set this variable in an init file (.emacs or .emacs.d/init.el
 112 or custom.el...) and if that file is stored in a way so that other can read
 113 it, this also limits the security of this approach.  You can also leave
 114 this variable empty - Org will then ask for the password once per Emacs
 115 session."
 116   :group 'org-mobile
 117   :version "24.1"
 118   :type '(string :tag "Password"))
 119
 120 (defvar org-mobile-encryption-password-session nil)
 121
 122 (defun org-mobile-encryption-password ()
 123   (or (org-string-nw-p org-mobile-encryption-password)
 124       (org-string-nw-p org-mobile-encryption-password-session)
 125       (setq org-mobile-encryption-password-session
 126             (read-passwd "Password for MobileOrg: " t))))
 127
 128 (defcustom org-mobile-inbox-for-pull "~/org/from-mobile.org"
 129   "The file where captured notes and flags will be appended to.
 130 During the execution of `org-mobile-pull', the file
 131 `org-mobile-capture-file' will be emptied it's contents have
 132 been appended to the file given here.  This file should be in
 133 `org-directory', and not in the staging area or on the web server."
 134   :group 'org-mobile
 135   :type 'file)
 136
 137 (defconst org-mobile-capture-file "mobileorg.org"
 138   "The capture file where the mobile stores captured notes and flags.
 139 This should not be changed, because MobileOrg assumes this name.")
 140
 141 (defcustom org-mobile-index-file "index.org"
 142   "The index file with links to all Org files that should be loaded by MobileOrg.
 143 Relative to `org-mobile-directory'.  The Address field in the MobileOrg setup
 144 should point to this file."
 145   :group 'org-mobile
 146   :type 'file)
 147
 148 (defcustom org-mobile-agendas 'all
 149   "The agendas that should be pushed to MobileOrg.
 150 Allowed values:
 151
 152 default  the weekly agenda and the global TODO list
 153 custom   all custom agendas defined by the user
 154 all      the custom agendas and the default ones
 155 list     a list of selection key(s) as string."
 156   :group 'org-mobile
 157   :version "24.1"
 158   :type '(choice
 159           (const :tag "Default Agendas" default)
 160           (const :tag "Custom Agendas" custom)
 161           (const :tag "Default and Custom Agendas" all)
 162           (repeat :tag "Selected"
 163                   (string :tag "Selection Keys"))))
 164
 165 (defcustom org-mobile-force-id-on-agenda-items t
 166   "Non-nil means make all agenda items carry an ID."
 167   :group 'org-mobile
 168   :type 'boolean)
 169
 170 (defcustom org-mobile-force-mobile-change nil
 171   "Non-nil means force the change made on the mobile device.
 172 So even if there have been changes to the computer version of the entry,
 173 force the new value set on the mobile.
 174 When nil, mark the entry from the mobile with an error message.
 175 Instead of nil or t, this variable can also be a list of symbols, indicating
 176 the editing types for which the mobile version should always dominate."
 177   :group 'org-mobile
 178   :type '(choice
 179           (const :tag "Always" t)
 180           (const :tag "Never" nil)
 181           (set :greedy t :tag "Specify"
 182                (const todo)
 183                (const tags)
 184                (const priority)
 185                (const heading)
 186                (const body))))
 187
 188 (defcustom org-mobile-action-alist
 189   '(("edit" . (org-mobile-edit data old new)))
 190   "Alist with flags and actions for mobile sync.
 191 When flagging an entry, MobileOrg will create entries that look like
 192
 193   * F(action:data)  [[id:entry-id][entry title]]
 194
 195 This alist defines that the ACTION in the parentheses of F() should mean,
 196 i.e. what action should be taken.  The :data part in the parenthesis is
 197 optional.  If present, the string after the colon will be passed to the
 198 action form as the `data' variable.
 199 The car of each elements of the alist is an actions string.  The cdr is
 200 an Emacs Lisp form that will be evaluated with the cursor on the headline
 201 of that entry.
 202
 203 For now, it is not recommended to change this variable."
 204   :group 'org-mobile
 205   :type '(repeat
 206           (cons (string :tag "Action flag")
 207                 (sexp   :tag "Action form"))))
 208
 209 (defcustom org-mobile-checksum-binary (or (executable-find "shasum")
 210                                           (executable-find "sha1sum")
 211                                           (executable-find "md5sum")
 212                                           (executable-find "md5"))
 213   "Executable used for computing checksums of agenda files."
 214   :group 'org-mobile
 215   :type 'string)
 216
 217 (defvar org-mobile-pre-push-hook nil
 218   "Hook run before running `org-mobile-push'.
 219 This could be used to clean up `org-mobile-directory', for example to
 220 remove files that used to be included in the agenda but no longer are.
 221 The presence of such files would not really be a problem, but after time
 222 they may accumulate.")
 223
 224 (defvar org-mobile-post-push-hook nil
 225   "Hook run after running `org-mobile-push'.
 226 If Emacs does not have direct write access to the WebDAV directory used
 227 by the mobile device, this hook should be used to copy all files from the
 228 local staging directory `org-mobile-directory' to the WebDAV directory,
 229 for example using `rsync' or `scp'.")
 230
 231 (defvar org-mobile-pre-pull-hook nil
 232   "Hook run before executing `org-mobile-pull'.
 233 If Emacs does not have direct write access to the WebDAV directory used
 234 by the mobile device, this hook should be used to copy the capture file
 235 `mobileorg.org' from the WebDAV location to the local staging
 236 directory `org-mobile-directory'.")
 237
 238 (defvar org-mobile-post-pull-hook nil
 239   "Hook run after running `org-mobile-pull'.
 240 If Emacs does not have direct write access to the WebDAV directory used
 241 by the mobile device, this hook should be used to copy the emptied
 242 capture file `mobileorg.org' back to the WebDAV directory, for example
 243 using `rsync' or `scp'.")
 244
 245 (defvar org-mobile-last-flagged-files nil
 246   "List of files containing entries flagged in the latest pull.")
 247
 248 (defvar org-mobile-files-alist nil)
 249 (defvar org-mobile-checksum-files nil)
 250
 251 (defun org-mobile-prepare-file-lists ()
 252   (setq org-mobile-files-alist (org-mobile-files-alist))
 253   (setq org-mobile-checksum-files nil))
 254
 255 (defun org-mobile-files-alist ()
 256   "Expand the list in `org-mobile-files' to a list of existing files.
 257 Also exclude files matching `org-mobile-files-exclude-regexp'."
 258   (let* ((include-archives
 259           (and (member 'org-agenda-text-search-extra-files org-mobile-files)
 260                (member 'agenda-archives org-agenda-text-search-extra-files)
 261                t))
 262          (files
 263           (apply 'append
 264                  (mapcar
 265                   (lambda (f)
 266                     (cond
 267                      ((eq f 'org-agenda-files)
 268                       (org-agenda-files t include-archives))
 269                      ((eq f 'org-agenda-text-search-extra-files)
 270                       (delq 'agenda-archives
 271                             (copy-sequence
 272                              org-agenda-text-search-extra-files)))
 273                      ((and (stringp f) (file-directory-p f))
 274                       (directory-files f 'full "\\.org\\'"))
 275                      ((and (stringp f) (file-exists-p f))
 276                       (list f))
 277                      (t nil)))
 278                   org-mobile-files)))
 279          (files (delete
 280                  nil
 281                  (mapcar (lambda (f)
 282                            (unless (and (not (string= org-mobile-files-exclude-regexp ""))
 283                                         (string-match org-mobile-files-exclude-regexp f))
 284                              (identity f)))
 285                          files)))
 286          (orgdir-uname (file-name-as-directory (file-truename org-directory)))
 287          (orgdir-re (concat "\\`" (regexp-quote orgdir-uname)))
 288          uname seen rtn file link-name)
 289     ;; Make the files unique, and determine the name under which they will
 290     ;; be listed.
 291     (while (setq file (pop files))
 292       (if (not (file-name-absolute-p file))
 293           (setq file (expand-file-name file org-directory)))
 294       (setq uname (file-truename file))
 295       (unless (member uname seen)
 296         (push uname seen)
 297         (if (string-match orgdir-re uname)
 298             (setq link-name (substring uname (match-end 0)))
 299           (setq link-name (file-name-nondirectory uname)))
 300         (push (cons file link-name) rtn)))
 301     (nreverse rtn)))
 302
 303 (defvar org-agenda-filter)
 304
 305 ;;;###autoload
 306 (defun org-mobile-push ()
 307   "Push the current state of Org affairs to the WebDAV directory.
 308 This will create the index file, copy all agenda files there, and also
 309 create all custom agenda views, for upload to the mobile phone."
 310   (interactive)
 311   (let ((a-buffer (get-buffer org-agenda-buffer-name)))
 312     (let ((org-agenda-buffer-name "*SUMO*")
 313           (org-agenda-tag-filter org-agenda-tag-filter)
 314           (org-agenda-redo-command org-agenda-redo-command))
 315       (save-excursion
 316         (save-window-excursion
 317           (run-hooks 'org-mobile-pre-push-hook)
 318           (org-mobile-check-setup)
 319           (org-mobile-prepare-file-lists)
 320           (message "Creating agendas...")
 321           (let ((inhibit-redisplay t)) (org-mobile-create-sumo-agenda))
 322           (message "Creating agendas...done")
 323           (org-save-all-org-buffers) ; to save any IDs created by this process
 324           (message "Copying files...")
 325           (org-mobile-copy-agenda-files)
 326           (message "Writing index file...")
 327           (org-mobile-create-index-file)
 328           (message "Writing checksums...")
 329           (org-mobile-write-checksums)
 330           (run-hooks 'org-mobile-post-push-hook))))
 331     (redraw-display)
 332     (when (and a-buffer (buffer-live-p a-buffer))
 333       (if (not (get-buffer-window a-buffer))
 334           (kill-buffer a-buffer)
 335         (let ((cw (selected-window)))
 336           (select-window (get-buffer-window a-buffer))
 337           (org-agenda-redo)
 338           (select-window cw)))))
 339   (message "Files for mobile viewer staged"))
 340
 341 (defvar org-mobile-before-process-capture-hook nil
 342   "Hook that is run after content was moved to `org-mobile-inbox-for-pull'.
 343 The inbox file is visited by the current buffer, and the buffer is
 344 narrowed to the newly captured data.")
 345
 346 ;;;###autoload
 347 (defun org-mobile-pull ()
 348   "Pull the contents of `org-mobile-capture-file' and integrate them.
 349 Apply all flagged actions, flag entries to be flagged and then call an
 350 agenda view showing the flagged items."
 351   (interactive)
 352   (org-mobile-check-setup)
 353   (run-hooks 'org-mobile-pre-pull-hook)
 354   (let ((insertion-marker (org-mobile-move-capture)))
 355     (if (not (markerp insertion-marker))
 356         (message "No new items")
 357       (org-with-point-at insertion-marker
 358         (save-restriction
 359           (narrow-to-region (point) (point-max))
 360           (run-hooks 'org-mobile-before-process-capture-hook)))
 361       (org-with-point-at insertion-marker
 362         (org-mobile-apply (point) (point-max)))
 363       (move-marker insertion-marker nil)
 364       (run-hooks 'org-mobile-post-pull-hook)
 365       (when org-mobile-last-flagged-files
 366         ;; Make an agenda view of flagged entries, but only in the files
 367         ;; where stuff has been added.
 368         (put 'org-agenda-files 'org-restrict org-mobile-last-flagged-files)
 369         (let ((org-agenda-keep-restricted-file-list t))
 370           (org-agenda nil "?"))))))
 371
 372 (defun org-mobile-check-setup ()
 373   "Check if org-mobile-directory has been set up."
 374   (org-mobile-cleanup-encryption-tempfile)
 375   (unless (and org-directory
 376                (stringp org-directory)
 377                (string-match "\\S-" org-directory)
 378                (file-exists-p org-directory)
 379                (file-directory-p org-directory))
 380     (error
 381      "Please set `org-directory' to the directory where your org files live"))
 382   (unless (and org-mobile-directory
 383                (stringp org-mobile-directory)
 384                (string-match "\\S-" org-mobile-directory)
 385                (file-exists-p org-mobile-directory)
 386                (file-directory-p org-mobile-directory))
 387     (error
 388      "Variable `org-mobile-directory' must point to an existing directory"))
 389   (unless (and org-mobile-inbox-for-pull
 390                (stringp org-mobile-inbox-for-pull)
 391                (string-match "\\S-" org-mobile-inbox-for-pull)
 392                (file-exists-p
 393                 (file-name-directory org-mobile-inbox-for-pull)))
 394     (error
 395      "Variable `org-mobile-inbox-for-pull' must point to a file in an existing directory"))
 396   (unless (and org-mobile-checksum-binary
 397                (string-match "\\S-" org-mobile-checksum-binary))
 398     (error "No executable found to compute checksums"))
 399   (when org-mobile-use-encryption
 400     (unless (string-match "\\S-" (org-mobile-encryption-password))
 401       (error
 402        "To use encryption, you must set `org-mobile-encryption-password'"))
 403     (unless (file-writable-p org-mobile-encryption-tempfile)
 404       (error "Cannot write to encryption tempfile %s"
 405              org-mobile-encryption-tempfile))
 406     (unless (executable-find "openssl")
 407       (error "openssl is needed to encrypt files"))))
 408
 409 (defun org-mobile-create-index-file ()
 410   "Write the index file in the WebDAV directory."
 411   (let ((files-alist (sort (copy-sequence org-mobile-files-alist)
 412                            (lambda (a b) (string< (cdr a) (cdr b)))))
 413         (def-todo (default-value 'org-todo-keywords))
 414         (def-tags (default-value 'org-tag-alist))
 415         (target-file (expand-file-name org-mobile-index-file
 416                                        org-mobile-directory))
 417         file link-name todo-kwds done-kwds tags drawers entry kwds dwds twds)
 418
 419     (org-prepare-agenda-buffers (mapcar 'car files-alist))
 420     (setq done-kwds (org-uniquify org-done-keywords-for-agenda))
 421     (setq todo-kwds (org-delete-all
 422                      done-kwds
 423                      (org-uniquify org-todo-keywords-for-agenda)))
 424     (setq drawers (org-uniquify org-drawers-for-agenda))
 425     (setq tags (org-uniquify
 426                 (delq nil
 427                       (mapcar
 428                        (lambda (e)
 429                          (cond ((stringp e) e)
 430                                ((listp e)
 431                                 (if (stringp (car e)) (car e) nil))
 432                                (t nil)))
 433                        org-tag-alist-for-agenda))))
 434     (with-temp-file
 435         (if org-mobile-use-encryption
 436             org-mobile-encryption-tempfile
 437           target-file)
 438       (while (setq entry (pop def-todo))
 439         (insert "#+READONLY\n")
 440         (setq kwds (mapcar (lambda (x) (if (string-match "(" x)
 441                                            (substring x 0 (match-beginning 0))
 442                                          x))
 443                            (cdr entry)))
 444         (insert "#+TODO: " (mapconcat 'identity kwds " ") "\n")
 445         (setq dwds (member "|" kwds)
 446               twds (org-delete-all dwds kwds)
 447               todo-kwds (org-delete-all twds todo-kwds)
 448               done-kwds (org-delete-all dwds done-kwds)))
 449       (when (or todo-kwds done-kwds)
 450         (insert "#+TODO: " (mapconcat 'identity todo-kwds " ") " | "
 451                 (mapconcat 'identity done-kwds " ") "\n"))
 452       (setq def-tags (mapcar
 453                       (lambda (x)
 454                         (cond ((null x) nil)
 455                               ((stringp x) x)
 456                               ((eq (car x) :startgroup) "{")
 457                               ((eq (car x) :endgroup) "}")
 458                               ((eq (car x) :newline) nil)
 459                               ((listp x) (car x))
 460                               (t nil)))
 461                       def-tags))
 462       (setq def-tags (delq nil def-tags))
 463       (setq tags (org-delete-all def-tags tags))
 464       (setq tags (sort tags (lambda (a b) (string< (downcase a) (downcase b)))))
 465       (setq tags (append def-tags tags nil))
 466       (insert "#+TAGS: " (mapconcat 'identity tags " ") "\n")
 467       (insert "#+DRAWERS: " (mapconcat 'identity drawers " ") "\n")
 468       (insert "#+ALLPRIORITIES: A B C" "\n")
 469       (when (file-exists-p (expand-file-name
 470                             org-mobile-directory "agendas.org"))
 471         (insert "* [[file:agendas.org][Agenda Views]]\n"))
 472       (while (setq entry (pop files-alist))
 473         (setq file (car entry)
 474               link-name (cdr entry))
 475         (insert (format "* [[file:%s][%s]]\n"
 476                         link-name link-name)))
 477       (push (cons org-mobile-index-file (md5 (buffer-string)))
 478             org-mobile-checksum-files))
 479     (when org-mobile-use-encryption
 480       (org-mobile-encrypt-and-move org-mobile-encryption-tempfile
 481                                    target-file)
 482       (org-mobile-cleanup-encryption-tempfile))))
 483
 484 (defun org-mobile-copy-agenda-files ()
 485   "Copy all agenda files to the stage or WebDAV directory."
 486   (let ((files-alist org-mobile-files-alist)
 487         file buf entry link-name target-path target-dir check)
 488     (while (setq entry (pop files-alist))
 489       (setq file (car entry) link-name (cdr entry))
 490       (when (file-exists-p file)
 491         (setq target-path (expand-file-name link-name org-mobile-directory)
 492               target-dir (file-name-directory target-path))
 493         (unless (file-directory-p target-dir)
 494           (make-directory target-dir 'parents))
 495         (if org-mobile-use-encryption
 496             (org-mobile-encrypt-and-move file target-path)
 497           (copy-file file target-path 'ok-if-exists))
 498         (setq check (shell-command-to-string
 499                      (concat org-mobile-checksum-binary " "
 500                              (shell-quote-argument (expand-file-name file)))))
 501         (when (string-match "[a-fA-F0-9]\\{30,40\\}" check)
 502           (push (cons link-name (match-string 0 check))
 503                 org-mobile-checksum-files))))
 504
 505     (setq file (expand-file-name org-mobile-capture-file
 506                                  org-mobile-directory))
 507     (save-excursion
 508       (setq buf (find-file file))
 509       (when (and (= (point-min) (point-max)))
 510         (insert "\n")
 511         (save-buffer)
 512         (when org-mobile-use-encryption
 513           (write-file org-mobile-encryption-tempfile)
 514           (org-mobile-encrypt-and-move org-mobile-encryption-tempfile file)))
 515       (push (cons org-mobile-capture-file (md5 (buffer-string)))
 516             org-mobile-checksum-files))
 517     (org-mobile-cleanup-encryption-tempfile)
 518     (kill-buffer buf)))
 519
 520 (defun org-mobile-write-checksums ()
 521   "Create checksums for all files in `org-mobile-directory'.
 522 The table of checksums is written to the file mobile-checksums."
 523   (let ((sumfile (expand-file-name "checksums.dat" org-mobile-directory))
 524         (files org-mobile-checksum-files)
 525         entry file sum)
 526     (with-temp-file sumfile
 527       (set-buffer-file-coding-system 'undecided-unix nil)
 528       (while (setq entry (pop files))
 529         (setq file (car entry) sum (cdr entry))
 530         (insert (format "%s  %s\n" sum file))))))
 531
 532 (defun org-mobile-sumo-agenda-command ()
 533   "Return an agenda custom command that comprises all custom commands."
 534   (let ((custom-list
 535          ;; normalize different versions
 536          (delq nil
 537                (mapcar
 538                 (lambda (x)
 539                   (cond ((stringp (cdr x)) nil)
 540                         ((stringp (nth 1 x)) x)
 541                         ((not (nth 1 x)) (cons (car x) (cons "" (cddr x))))
 542                         (t (cons (car x) (cons "" (cdr x))))))
 543                 org-agenda-custom-commands)))
 544         (default-list '(("a" "Agenda" agenda) ("t" "All TODO" alltodo)))
 545         thelist new e key desc type match settings cmds gkey gdesc gsettings cnt)
 546     (cond
 547      ((eq org-mobile-agendas 'custom)
 548       (setq thelist custom-list))
 549      ((eq org-mobile-agendas 'default)
 550       (setq thelist default-list))
 551      ((eq org-mobile-agendas 'all)
 552       (setq thelist custom-list)
 553       (unless (assoc "t" thelist) (push '("t" "ALL TODO" alltodo) thelist))
 554       (unless (assoc "a" thelist) (push '("a" "Agenda" agenda) thelist)))
 555      ((listp org-mobile-agendas)
 556       (setq thelist (append custom-list default-list))
 557       (setq thelist (delq nil (mapcar (lambda (k) (assoc k thelist))
 558                                       org-mobile-agendas)))))
 559     (while (setq e (pop thelist))
 560       (cond
 561        ((stringp (cdr e))
 562         ;; this is a description entry - skip it
 563         )
 564        ((eq (nth 2 e) 'search)
 565         ;; Search view is interactive, skip
 566         )
 567        ((memq (nth 2 e) '(todo-tree tags-tree occur-tree))
 568         ;; These are trees, not really agenda commands
 569         )
 570        ((and (memq (nth 2 e) '(todo tags tags-todo))
 571              (or (null (nth 3 e))
 572                  (not (string-match "\\S-" (nth 3 e)))))
 573         ;; These would be interactive because the match string is empty
 574         )
 575        ((memq (nth 2 e) '(agenda alltodo todo tags tags-todo))
 576         ;; a normal command
 577         (setq key (car e) desc (nth 1 e) type (nth 2 e) match (nth 3 e)
 578               settings (nth 4 e))
 579         (setq settings
 580               (cons (list 'org-agenda-title-append
 581                           (concat "<after>KEYS=" key " TITLE: "
 582                                   (if (and (stringp desc) (> (length desc) 0))
 583                                       desc (symbol-name type))
 584                                   "</after>"))
 585                     settings))
 586         (push (list type match settings) new))
 587        ((or (functionp (nth 2 e)) (symbolp (nth 2 e)))
 588         ;; A user-defined function, which can do anything, so simply
 589         ;; ignore it.
 590         )
 591        (t
 592         ;; a block agenda
 593         (setq gkey (car e) gdesc (nth 1 e) gsettings (nth 3 e) cmds (nth 2 e))
 594         (setq cnt 0)
 595         (while (setq e (pop cmds))
 596           (setq type (car e) match (nth 1 e) settings (nth 2 e))
 597           (setq settings (append gsettings settings))
 598           (setq settings
 599                 (cons (list 'org-agenda-title-append
 600                             (concat "<after>KEYS=" gkey "#" (number-to-string
 601                                                       (setq cnt (1+ cnt)))
 602                                     " TITLE: " gdesc " " match "</after>"))
 603                       settings))
 604           (push (list type match settings) new)))))
 605     (and new (list "X" "SUMO" (reverse new)
 606                    '((org-agenda-compact-blocks nil))))))
 607
 608 (defvar org-mobile-creating-agendas nil)
 609 (defun org-mobile-write-agenda-for-mobile (file)
 610   (let ((all (buffer-string)) in-date id pl prefix line app short m sexp)
 611     (with-temp-file file
 612       (org-mode)
 613       (insert "#+READONLY\n")
 614       (insert all)
 615       (goto-char (point-min))
 616       (while (not (eobp))
 617         (cond
 618          ((looking-at "[ \t]*$")) ; keep empty lines
 619          ((looking-at "=+$")
 620           ;; remove underlining
 621           (delete-region (point) (point-at-eol)))
 622          ((get-text-property (point) 'org-agenda-structural-header)
 623           (setq in-date nil)
 624           (setq app (get-text-property (point)
 625                                        'org-agenda-title-append))
 626           (setq short (get-text-property (point)
 627                                          'short-heading))
 628           (when (and short (looking-at ".+"))
 629             (replace-match short)
 630             (beginning-of-line 1))
 631           (when app
 632             (end-of-line 1)
 633             (insert app)
 634             (beginning-of-line 1))
 635           (insert "* "))
 636          ((get-text-property (point) 'org-agenda-date-header)
 637           (setq in-date t)
 638           (insert "** "))
 639          ((setq m (or (get-text-property (point) 'org-hd-marker)
 640                       (get-text-property (point) 'org-marker)))
 641           (setq sexp (member (get-text-property (point) 'type)
 642                              '("diary" "sexp")))
 643           (if (setq pl (text-property-any (point) (point-at-eol) 'org-heading t))
 644               (progn
 645                 (setq prefix (org-trim (buffer-substring
 646                                         (point) pl))
 647                       line (org-trim (buffer-substring
 648                                       pl
 649                                       (point-at-eol))))
 650                 (delete-region (point-at-bol) (point-at-eol))
 651                 (insert line "<before>" prefix "</before>")
 652                 (beginning-of-line 1))
 653             (and (looking-at "[ \t]+") (replace-match "")))
 654           (insert (if in-date "***  " "**  "))
 655           (end-of-line 1)
 656           (insert "\n")
 657           (unless sexp
 658             (insert (org-agenda-get-some-entry-text
 659                      m 10 "   " 'planning)
 660                     "\n")
 661             (when (setq id
 662                         (if (org-bound-and-true-p
 663                              org-mobile-force-id-on-agenda-items)
 664                             (org-id-get m 'create)
 665                           (or (org-entry-get m "ID")
 666                               (org-mobile-get-outline-path-link m))))
 667               (insert "   :PROPERTIES:\n   :ORIGINAL_ID: " id
 668                       "\n   :END:\n")))))
 669         (beginning-of-line 2))
 670       (push (cons "agendas.org" (md5 (buffer-string)))
 671             org-mobile-checksum-files))
 672     (message "Agenda written to Org file %s" file)))
 673
 674 (defun org-mobile-get-outline-path-link (pom)
 675   (org-with-point-at pom
 676     (concat "olp:"
 677             (org-mobile-escape-olp (file-name-nondirectory buffer-file-name))
 678             "/"
 679             (mapconcat 'org-mobile-escape-olp
 680                        (org-get-outline-path)
 681                        "/")
 682             "/"
 683             (org-mobile-escape-olp (nth 4 (org-heading-components))))))
 684
 685 (defun org-mobile-escape-olp (s)
 686   (let  ((table '(?: ?/)))
 687     (org-link-escape s table)))
 688
 689 ;;;###autoload
 690 (defun org-mobile-create-sumo-agenda ()
 691   "Create a file that contains all custom agenda views."
 692   (interactive)
 693   (let* ((file (expand-file-name "agendas.org"
 694                                  org-mobile-directory))
 695          (file1 (if org-mobile-use-encryption
 696                     org-mobile-encryption-tempfile
 697                   file))
 698          (sumo (org-mobile-sumo-agenda-command))
 699          (org-agenda-custom-commands
 700           (list (append sumo (list (list file1)))))
 701          (org-mobile-creating-agendas t))
 702     (unless (file-writable-p file1)
 703       (error "Cannot write to file %s" file1))
 704     (when sumo
 705       (org-store-agenda-views))
 706     (when org-mobile-use-encryption
 707       (org-mobile-encrypt-and-move file1 file)
 708       (delete-file file1)
 709       (org-mobile-cleanup-encryption-tempfile))))
 710
 711 (defun org-mobile-encrypt-and-move (infile outfile)
 712   "Encrypt INFILE locally to INFILE_enc, then move it to OUTFILE.
 713 We do this in two steps so that remote paths will work, even if the
 714 encryption program does not understand them."
 715   (let ((encfile (concat infile "_enc")))
 716     (org-mobile-encrypt-file infile encfile)
 717     (when outfile
 718       (copy-file encfile outfile 'ok-if-exists)
 719       (delete-file encfile))))
 720
 721 (defun org-mobile-encrypt-file (infile outfile)
 722   "Encrypt INFILE to OUTFILE, using `org-mobile-encryption-password'."
 723   (shell-command
 724    (format "openssl enc -aes-256-cbc -salt -pass %s -in %s -out %s"
 725            (shell-quote-argument (concat "pass:"
 726                                          (org-mobile-encryption-password)))
 727            (shell-quote-argument (expand-file-name infile))
 728            (shell-quote-argument (expand-file-name outfile)))))
 729
 730 (defun org-mobile-decrypt-file (infile outfile)
 731   "Decrypt INFILE to OUTFILE, using `org-mobile-encryption-password'."
 732   (shell-command
 733    (format "openssl enc -d -aes-256-cbc -salt -pass %s -in %s -out %s"
 734            (shell-quote-argument (concat "pass:"
 735                                          (org-mobile-encryption-password)))
 736            (shell-quote-argument (expand-file-name infile))
 737            (shell-quote-argument (expand-file-name outfile)))))
 738
 739 (defun org-mobile-cleanup-encryption-tempfile ()
 740   "Remove the encryption tempfile if it exists."
 741   (and (stringp org-mobile-encryption-tempfile)
 742        (file-exists-p org-mobile-encryption-tempfile)
 743        (delete-file org-mobile-encryption-tempfile)))
 744
 745 (defun org-mobile-move-capture ()
 746   "Move the contents of the capture file to the inbox file.
 747 Return a marker to the location where the new content has been added.
 748 If nothing new has been added, return nil."
 749   (interactive)
 750   (let* ((encfile nil)
 751          (capture-file (expand-file-name org-mobile-capture-file
 752                                          org-mobile-directory))
 753          (inbox-buffer (find-file-noselect org-mobile-inbox-for-pull))
 754          (capture-buffer
 755           (if (not org-mobile-use-encryption)
 756               (find-file-noselect capture-file)
 757             (org-mobile-cleanup-encryption-tempfile)
 758             (setq encfile (concat org-mobile-encryption-tempfile "_enc"))
 759             (copy-file capture-file encfile)
 760             (org-mobile-decrypt-file encfile org-mobile-encryption-tempfile)
 761             (find-file-noselect org-mobile-encryption-tempfile)))
 762          (insertion-point (make-marker))
 763          not-empty content)
 764     (with-current-buffer capture-buffer
 765       (setq content (buffer-string))
 766       (setq not-empty (string-match "\\S-" content))
 767       (when not-empty
 768         (set-buffer inbox-buffer)
 769         (widen)
 770         (goto-char (point-max))
 771         (or (bolp) (newline))
 772         (move-marker insertion-point
 773                      (prog1 (point) (insert content)))
 774         (save-buffer)
 775         (set-buffer capture-buffer)
 776         (erase-buffer)
 777         (save-buffer)
 778         (org-mobile-update-checksum-for-capture-file (buffer-string))))
 779     (kill-buffer capture-buffer)
 780     (when org-mobile-use-encryption
 781       (org-mobile-encrypt-and-move org-mobile-encryption-tempfile
 782                                    capture-file)
 783       (org-mobile-cleanup-encryption-tempfile))
 784     (if not-empty insertion-point)))
 785
 786 (defun org-mobile-update-checksum-for-capture-file (buffer-string)
 787   "Find the checksum line and modify it to match BUFFER-STRING."
 788   (let* ((file (expand-file-name "checksums.dat" org-mobile-directory))
 789          (buffer (find-file-noselect file)))
 790     (when buffer
 791       (with-current-buffer buffer
 792         (when (re-search-forward (concat "\\([0-9a-fA-F]\\{30,\\}\\).*?"
 793                                          (regexp-quote org-mobile-capture-file)
 794                                          "[ \t]*$") nil t)
 795           (goto-char (match-beginning 1))
 796           (delete-region (match-beginning 1) (match-end 1))
 797           (insert (md5 buffer-string))
 798           (save-buffer)))
 799       (kill-buffer buffer))))
 800
 801 (defun org-mobile-apply (&optional beg end)
 802   "Apply all change requests in the current buffer.
 803 If BEG and END are given, only do this in that region."
 804   (interactive)
 805   (require 'org-archive)
 806   (setq org-mobile-last-flagged-files nil)
 807   (setq beg (or beg (point-min)) end (or end (point-max)))
 808
 809   ;; Remove all Note IDs
 810   (goto-char beg)
 811   (while (re-search-forward "^\\*\\* Note ID: [-0-9A-F]+[ \t]*\n" end t)
 812     (replace-match ""))
 813
 814   ;; Find all the referenced entries, without making any changes yet
 815   (let ((marker (make-marker))
 816         (bos-marker (make-marker))
 817         (end (move-marker (make-marker) end))
 818         (cnt-new 0)
 819         (cnt-edit 0)
 820         (cnt-flag 0)
 821         (cnt-error 0)
 822         buf-list
 823         id-pos org-mobile-error)
 824
 825     ;; Count the new captures
 826     (goto-char beg)
 827     (while (re-search-forward "^\\* \\(.*\\)" end t)
 828       (and (>= (- (match-end 1) (match-beginning 1)) 2)
 829            (not (equal (downcase (substring (match-string 1) 0 2)) "f("))
 830            (incf cnt-new)))
 831
 832     (goto-char beg)
 833     (while (re-search-forward
 834             "^\\*+[ \t]+F(\\([^():\n]*\\)\\(:\\([^()\n]*\\)\\)?)[ \t]+\\[\\[\\(\\(id\\|olp\\):\\([^]\n]+\\)\\)" end t)
 835       (setq id-pos (condition-case msg
 836                        (org-mobile-locate-entry (match-string 4))
 837                      (error (nth 1 msg))))
 838       (when (and (markerp id-pos)
 839                  (not (member (marker-buffer id-pos) buf-list)))
 840         (org-mobile-timestamp-buffer (marker-buffer id-pos))
 841         (push (marker-buffer id-pos) buf-list))
 842
 843       (if (or (not id-pos) (stringp id-pos))
 844           (progn
 845             (goto-char (+ 2 (point-at-bol)))
 846             (insert id-pos " ")
 847             (incf cnt-error))
 848         (add-text-properties (point-at-bol) (point-at-eol)
 849                              (list 'org-mobile-marker
 850                                    (or id-pos "Linked entry not found")))))
 851
 852     ;; OK, now go back and start applying
 853     (goto-char beg)
 854     (while (re-search-forward "^\\*+[ \t]+F(\\([^():\n]*\\)\\(:\\([^()\n]*\\)\\)?)" end t)
 855       (catch 'next
 856         (setq id-pos (get-text-property (point-at-bol) 'org-mobile-marker))
 857         (if (not (markerp id-pos))
 858             (progn
 859               (incf cnt-error)
 860               (insert "UNKNOWN PROBLEM"))
 861           (let* ((action (match-string 1))
 862                  (data (and (match-end 3) (match-string 3)))
 863                  (bos (point-at-bol))
 864                  (eos (save-excursion (org-end-of-subtree t t)))
 865                  (cmd (if (equal action "")
 866                           '(progn
 867                              (incf cnt-flag)
 868                              (org-toggle-tag "FLAGGED" 'on)
 869                              (and note
 870                                   (org-entry-put nil "THEFLAGGINGNOTE" note)))
 871                         (incf cnt-edit)
 872                         (cdr (assoc action org-mobile-action-alist))))
 873                  (note (and (equal action "")
 874                             (buffer-substring (1+ (point-at-eol)) eos)))
 875                  (org-inhibit-logging 'note) ;; Do not take notes interactively
 876                  old new)
 877             (goto-char bos)
 878             (move-marker bos-marker (point))
 879             (if (re-search-forward "^** Old value[ \t]*$" eos t)
 880                 (setq old (buffer-substring
 881                            (1+ (match-end 0))
 882                            (progn (outline-next-heading) (point)))))
 883             (if (re-search-forward "^** New value[ \t]*$" eos t)
 884                 (setq new (buffer-substring
 885                            (1+ (match-end 0))
 886                            (progn (outline-next-heading)
 887                                   (if (eobp) (org-back-over-empty-lines))
 888                                   (point)))))
 889             (setq old (and old (if (string-match "\\S-" old) old nil)))
 890             (setq new (and new (if (string-match "\\S-" new) new nil)))
 891             (if (and note (> (length note) 0))
 892                 ;; Make Note into a single line, to fit into a property
 893                 (setq note (mapconcat 'identity
 894                                       (org-split-string (org-trim note) "\n")
 895                                       "\\n")))
 896             (unless (equal data "body")
 897               (setq new (and new (org-trim new))
 898                     old (and old (org-trim old))))
 899             (goto-char (+ 2 bos-marker))
 900             (unless (markerp id-pos)
 901               (insert "BAD REFERENCE ")
 902               (incf cnt-error)
 903               (throw 'next t))
 904             (unless cmd
 905               (insert "BAD FLAG ")
 906               (incf cnt-error)
 907               (throw 'next t))
 908             ;; Remember this place so that we can return
 909             (move-marker marker (point))
 910             (setq org-mobile-error nil)
 911             (save-excursion
 912               (condition-case msg
 913                   (org-with-point-at id-pos
 914                     (progn
 915                   (eval cmd)
 916                   (if (member "FLAGGED" (org-get-tags))
 917                       (add-to-list 'org-mobile-last-flagged-files
 918                                    (buffer-file-name (current-buffer))))))
 919                 (error (setq org-mobile-error msg))))
 920             (when org-mobile-error
 921               (org-pop-to-buffer-same-window (marker-buffer marker))
 922               (goto-char marker)
 923               (incf cnt-error)
 924               (insert (if (stringp (nth 1 org-mobile-error))
 925                           (nth 1 org-mobile-error)
 926                         "EXECUTION FAILED")
 927                       " ")
 928               (throw 'next t))
 929             ;; If we get here, the action has been applied successfully
 930             ;; So remove the entry
 931             (goto-char bos-marker)
 932             (delete-region (point) (org-end-of-subtree t t))))))
 933     (save-buffer)
 934     (move-marker marker nil)
 935     (move-marker end nil)
 936     (message "%d new, %d edits, %d flags, %d errors" cnt-new
 937              cnt-edit cnt-flag cnt-error)
 938     (sit-for 1)))
 939
 940 (defun org-mobile-timestamp-buffer (buf)
 941   "Time stamp buffer BUF, just to make sure its checksum will change."
 942   (with-current-buffer buf
 943     (save-excursion
 944       (save-restriction
 945         (widen)
 946         (goto-char (point-min))
 947         (if (re-search-forward
 948              "^\\([ \t]*\\)#\\+LAST_MOBILE_CHANGE:.*\n?" nil t)
 949             (progn
 950               (goto-char (match-end 1))
 951               (delete-region (point) (match-end 0)))
 952           (if (looking-at ".*?-\\*-.*-\\*-")
 953               (forward-line 1)))
 954         (insert "#+LAST_MOBILE_CHANGE: "
 955                 (format-time-string "%Y-%m-%d %T") "\n")))))
 956
 957 (defun org-mobile-smart-read ()
 958   "Parse the entry at point for shortcuts and expand them.
 959 These shortcuts are meant for fast and easy typing on the limited
 960 keyboards of a mobile device.  Below we show a list of the shortcuts
 961 currently implemented.
 962
 963 The entry is expected to contain an inactive time stamp indicating when
 964 the entry was created.  When setting dates and
 965 times (for example for deadlines), the time strings are interpreted
 966 relative to that creation date.
 967 Abbreviations are expected to take up entire lines, just because it is so
 968 easy to type RET on a mobile device.  Abbreviations start with one or two
 969 letters, followed immediately by a dot and then additional information.
 970 Generally the entire shortcut line is removed after action have been taken.
 971 Time stamps will be constructed using `org-read-date'.  So for example a
 972 line \"dd. 2tue\" will set a deadline on the second Tuesday after the
 973 creation date.
 974
 975 Here are the shortcuts currently implemented:
 976
 977 dd. string             set deadline
 978 ss. string             set scheduling
 979 tt. string             set time tamp, here.
 980 ti. string             set inactive time
 981
 982 tg. tag1 tag2 tag3     set all these tags, change case where necessary
 983 td. kwd                set this todo keyword, change case where necessary
 984
 985 FIXME: Hmmm, not sure if we can make his work against the
 986 auto-correction feature.  Needs a bit more thinking.  So this function
 987 is currently a noop.")
 988
 989 (defun org-mobile-locate-entry (link)
 990   (if (string-match "\\`id:\\(.*\\)$" link)
 991       (org-id-find (match-string 1 link) 'marker)
 992     (if (not (string-match "\\`olp:\\(.*?\\):\\(.*\\)$" link))
 993         nil
 994       (let ((file (match-string 1 link))
 995             (path (match-string 2 link)))
 996         (setq file (org-link-unescape file))
 997         (setq file (expand-file-name file org-directory))
 998         (setq path (mapcar 'org-link-unescape
 999                            (org-split-string path "/")))
1000         (org-find-olp (cons file path))))))
1001
1002 (defun org-mobile-edit (what old new)
1003   "Edit item WHAT in the current entry by replacing OLD with NEW.
1004 WHAT can be \"heading\", \"todo\", \"tags\", \"priority\", or \"body\".
1005 The edit only takes place if the current value is equal (except for
1006 white space) the OLD.  If this is so, OLD will be replace by NEW
1007 and the command will return t.  If something goes wrong, a string will
1008 be returned that indicates what went wrong."
1009   (let (current old1 new1)
1010     (if (stringp what) (setq what (intern what)))
1011
1012     (cond
1013
1014      ((memq what '(todo todostate))
1015       (setq current (org-get-todo-state))
1016       (cond
1017        ((equal new "DONEARCHIVE")
1018         (org-todo 'done)
1019         (org-archive-subtree-default))
1020        ((equal new current) t) ; nothing needs to be done
1021        ((or (equal current old)
1022             (eq org-mobile-force-mobile-change t)
1023             (memq 'todo org-mobile-force-mobile-change))
1024         (org-todo (or new 'none)) t)
1025        (t (error "State before change was expected as \"%s\", but is \"%s\""
1026                  old current))))
1027
1028      ((eq what 'tags)
1029       (setq current (org-get-tags)
1030             new1 (and new (org-split-string new ":+"))
1031             old1 (and old (org-split-string old ":+")))
1032       (cond
1033        ((org-mobile-tags-same-p current new1) t) ; no change needed
1034        ((or (org-mobile-tags-same-p current old1)
1035             (eq org-mobile-force-mobile-change t)
1036             (memq 'tags org-mobile-force-mobile-change))
1037         (org-set-tags-to new1) t)
1038        (t (error "Tags before change were expected as \"%s\", but are \"%s\""
1039                  (or old "") (or current "")))))
1040
1041      ((eq what 'priority)
1042       (when (looking-at org-complex-heading-regexp)
1043         (setq current (and (match-end 3) (substring (match-string 3) 2 3)))
1044         (cond
1045          ((equal current new) t) ; no action required
1046          ((or (equal current old)
1047               (eq org-mobile-force-mobile-change t)
1048               (memq 'tags org-mobile-force-mobile-change))
1049           (org-priority (and new (string-to-char new))))
1050          (t (error "Priority was expected to be %s, but is %s"
1051                    old current)))))
1052
1053      ((eq what 'heading)
1054       (when (looking-at org-complex-heading-regexp)
1055         (setq current (match-string 4))
1056         (cond
1057          ((equal current new) t) ; no action required
1058          ((or (equal current old)
1059               (eq org-mobile-force-mobile-change t)
1060               (memq 'heading org-mobile-force-mobile-change))
1061           (goto-char (match-beginning 4))
1062           (insert new)
1063           (delete-region (point) (+ (point) (length current)))
1064           (org-set-tags nil 'align))
1065          (t (error "Heading changed in MobileOrg and on the computer")))))
1066
1067      ((eq what 'body)
1068       (setq current (buffer-substring (min (1+ (point-at-eol)) (point-max))
1069                                       (save-excursion (outline-next-heading)
1070                                                       (point))))
1071       (if (not (string-match "\\S-" current)) (setq current nil))
1072       (cond
1073        ((org-mobile-bodies-same-p current new) t) ; no action necessary
1074        ((or (org-mobile-bodies-same-p current old)
1075             (eq org-mobile-force-mobile-change t)
1076             (memq 'body org-mobile-force-mobile-change))
1077         (save-excursion
1078           (end-of-line 1)
1079           (insert "\n" new)
1080           (or (bolp) (insert "\n"))
1081           (delete-region (point) (progn (org-back-to-heading t)
1082                                         (outline-next-heading)
1083                                         (point))))
1084         t)
1085        (t (error "Body was changed in MobileOrg and on the computer")))))))
1086
1087 (defun org-mobile-tags-same-p (list1 list2)
1088   "Are the two tag lists the same?"
1089   (not (or (org-delete-all list1 list2)
1090            (org-delete-all list2 list1))))
1091
1092 (defun org-mobile-bodies-same-p (a b)
1093   "Compare if A and B are visually equal strings.
1094 We first remove leading and trailing white space from the entire strings.
1095 Then we split the strings into lines and remove leading/trailing whitespace
1096 from each line.  Then we compare.
1097 A and B must be strings or nil."
1098   (cond
1099    ((and (not a) (not b)) t)
1100    ((or (not a) (not b)) nil)
1101    (t (setq a (org-trim a) b (org-trim b))
1102       (setq a (mapconcat 'identity (org-split-string a "[ \t]*\n[ \t]*") "\n"))
1103       (setq b (mapconcat 'identity (org-split-string b "[ \t]*\n[ \t]*") "\n"))
1104       (equal a b))))
1105
1106 (provide 'org-mobile)
1107
1108 ;;; org-mobile.el ends here