/usr/share/emacs/site-lisp/wl/elmo/elmo-dop.el is in wl-beta 2.15.9+0.20141019-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 | ;;; elmo-dop.el --- Modules for Disconnected Operations on ELMO.
;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Keywords: mail, net news
;; This file is part of ELMO (Elisp Library for Message Orchestration).
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;; Commentary:
;;
;;; Code:
;;
(eval-when-compile (require 'cl))
(require 'elmo)
(require 'elmo-vars)
(require 'elmo-msgdb)
(require 'elmo-util)
(require 'elmo-localdir)
;; global variable.
(defvar elmo-dop-queue nil
"A list of (folder-name function-to-be-called argument-list).
Automatically loaded/saved.")
(defmacro elmo-make-dop-queue (fname method arguments)
"Make a dop queue."
`(vector ,fname ,method ,arguments))
(defmacro elmo-dop-queue-fname (queue)
"Return the folder name string of the QUEUE."
`(aref ,queue 0))
(defmacro elmo-dop-queue-method (queue)
"Return the method symbol of the QUEUE."
`(aref ,queue 1))
(defmacro elmo-dop-queue-arguments (queue)
"Return the arguments of the QUEUE."
`(aref ,queue 2))
(defun elmo-dop-queue-append (folder method arguments)
"Append to disconnected operation queue."
(let ((queue (elmo-make-dop-queue (elmo-folder-name-internal folder)
method arguments)))
(setq elmo-dop-queue (nconc elmo-dop-queue (list queue)))))
(defvar elmo-dop-queue-merge-method-list
'(elmo-folder-set-read-delayed
elmo-folder-unset-read-delayed
elmo-folder-set-important-delayed
elmo-folder-unset-important-delayed
elmo-folder-set-answered-delayed
elmo-folder-unset-answered-delayed))
(defvar elmo-dop-queue-method-name-alist
'((elmo-folder-append-buffer-dop-delayed . "Append")
(elmo-folder-delete-messages-dop-delayed . "Delete")
(elmo-message-encache . "Encache")
(elmo-folder-create-dop-delayed . "Create")
(elmo-folder-set-read-delayed . "Read")
(elmo-folder-unset-read-delayed . "Unread")
(elmo-folder-set-answered-delayed . "Answered")
(elmo-folder-unset-answered-delayed . "Unanswered")
(elmo-folder-set-important-delayed . "Important")
(elmo-folder-unset-important-delayed . "Unimportant")
(elmo-folder-set-flag . "Set flag")
(elmo-folder-unset-flag . "Unset flag")))
(defmacro elmo-dop-queue-method-name (queue)
`(cdr (assq (elmo-dop-queue-method ,queue)
elmo-dop-queue-method-name-alist)))
(defun elmo-dop-queue-flush ()
"Flush disconnected operations that consern plugged folders."
;; obsolete
(unless (or (null elmo-dop-queue)
(vectorp (car elmo-dop-queue)))
(if (y-or-n-p "\
Saved queue is old version(2.6). Clear all pending operations? ")
(progn
(setq elmo-dop-queue nil)
(message "All pending operations are cleared.")
(elmo-dop-queue-save))
(error "Please use 2.6 or earlier")))
(elmo-dop-queue-merge)
(let ((queue-all elmo-dop-queue)
queue
(count 0)
len)
(while queue-all
(if (elmo-folder-plugged-p
(elmo-get-folder (elmo-dop-queue-fname (car queue-all))))
(setq queue (append queue (list (car queue-all)))))
(setq queue-all (cdr queue-all)))
(setq count (length queue))
(when (> count 0)
(if (elmo-y-or-n-p
(format "%d pending operation(s) exists. Perform now? " count)
(not elmo-dop-flush-confirm) t)
(progn
(message "")
(sit-for 0)
(let ((queue elmo-dop-queue)
(performed 0)
(i 0)
(num (length elmo-dop-queue))
folder func failure)
(while queue
;; now perform pending processes.
(setq failure nil)
(setq i (+ 1 i))
(message "Flushing queue....%d/%d." i num)
(condition-case err
(progn
(apply (elmo-dop-queue-method (car queue))
(prog1
(setq folder
(elmo-get-folder
(elmo-dop-queue-fname (car queue))))
(elmo-folder-open folder)
(unless (elmo-folder-plugged-p folder)
(error "Unplugged")))
(elmo-dop-queue-arguments (car queue)))
(elmo-folder-close folder))
(quit (setq failure t))
(error (setq failure err)))
(if failure
();
(setq elmo-dop-queue (delq (car queue) elmo-dop-queue))
(setq performed (+ 1 performed)))
(setq queue (cdr queue)))
(message "%d/%d operation(s) are performed successfully."
performed num)
(sit-for 0) ;
(elmo-dop-queue-save)))
;; when answer=NO against performing dop
(if (elmo-y-or-n-p "Clear these pending operations? "
(not elmo-dop-flush-confirm) t)
(progn
(while queue
(when (eq (elmo-dop-queue-method (car queue))
'elmo-folder-append-buffer-dop-delayed)
(elmo-folder-delete-messages
(elmo-dop-spool-folder
(elmo-get-folder (elmo-dop-queue-fname (car queue))))
(list (nth 1 (elmo-dop-queue-arguments (car queue))))))
(setq elmo-dop-queue (delq (car queue) elmo-dop-queue))
(setq queue (cdr queue)))
(message "Pending operations are cleared.")
(elmo-dop-queue-save))
(message "")))
count)))
(defun elmo-dop-queue-merge ()
(let ((queue elmo-dop-queue)
new-queue match-queue que)
(while (setq que (car queue))
(if (and
(memq (elmo-dop-queue-method que)
elmo-dop-queue-merge-method-list)
(setq match-queue
(car (delete
nil
(mapcar
(lambda (nqueue)
(if (and
(string= (elmo-dop-queue-fname que)
(elmo-dop-queue-fname nqueue))
(string= (elmo-dop-queue-method que)
(elmo-dop-queue-method nqueue)))
nqueue))
new-queue)))))
(setcar (elmo-dop-queue-arguments match-queue)
(append (car (elmo-dop-queue-arguments match-queue))
(car (elmo-dop-queue-arguments que))))
(setq new-queue (nconc new-queue (list que))))
(setq queue (cdr queue)) )
(setq elmo-dop-queue new-queue)))
;;; dop spool folder
(defun elmo-dop-spool-folder (folder)
"Return a spool folder for disconnected operations
which is corresponded to the FOLDER."
(elmo-make-folder
(concat "+" (expand-file-name "spool" (elmo-folder-msgdb-path folder)))
nil
(elmo-folder-mime-charset-internal folder)))
(defun elmo-dop-spool-folder-append-buffer (folder flags)
"Append current buffer content to the dop spool folder.
FOLDER is the folder structure.
Return a message number."
(let ((spool (elmo-dop-spool-folder folder)))
(unless (elmo-folder-exists-p spool)
(elmo-folder-create spool))
(let ((new-number (1+ (car (elmo-folder-status spool)))))
(elmo-folder-append-buffer spool flags new-number)
new-number)))
(defun elmo-dop-spool-folder-list-messages (folder)
"List messages in the dop spool folder.
FOLDER is the folder structure."
(setq folder (elmo-dop-spool-folder folder))
(if (elmo-folder-exists-p folder)
(elmo-folder-list-messages folder)))
(defun elmo-dop-list-deleting-messages (folder)
"List messages which are on the deleting queue for the folder.
FOLDER is the folder structure."
(let (messages)
(dolist (queue elmo-dop-queue)
(if (and (string= (elmo-dop-queue-fname queue)
(elmo-folder-name-internal folder))
(eq (elmo-dop-queue-method queue)
'elmo-folder-delete-messages-dop-delayed))
(setq messages (nconc messages
(mapcar
'car
(car (elmo-dop-queue-arguments queue)))))))))
(defun elmo-dop-filter-pending-messages (numbers)
(elmo-delete-if (lambda (number) (< number 0)) numbers))
;;; DOP operations.
(defsubst elmo-folder-append-buffer-dop (folder &optional flag number)
(elmo-dop-queue-append
folder 'elmo-folder-append-buffer-dop-delayed
(list flag
(elmo-dop-spool-folder-append-buffer folder flag)
number)))
(defsubst elmo-folder-delete-messages-dop (folder numbers)
(let ((spool-folder (elmo-dop-spool-folder folder))
queue)
(dolist (number numbers)
(if (< number 0)
(progn
;; delete from queue
(elmo-folder-delete-messages spool-folder
(list (abs number)))
(dolist (queue elmo-dop-queue)
(when (and (eq (elmo-dop-queue-fname queue)
(elmo-folder-name-internal folder))
(eq (elmo-dop-queue-method queue)
'elmo-folder-append-buffer-dop-delayed)
(eq (abs number)
(nth 1 (elmo-dop-queue-arguments queue))))
(setq elmo-dop-queue (delq queue elmo-dop-queue)))))
(setq queue (cons number queue))))
(when queue
(elmo-dop-queue-append folder 'elmo-folder-delete-messages-dop-delayed
(list
(mapcar
(lambda (number)
(cons number (elmo-message-field
folder number 'message-id)))
queue))))
t))
(defsubst elmo-message-encache-dop (folder number &optional read)
(elmo-dop-queue-append folder 'elmo-message-encache (list number read)))
(defsubst elmo-folder-create-dop (folder)
(elmo-dop-queue-append folder 'elmo-folder-create-dop-delayed nil))
(defsubst elmo-folder-set-flag-dop (folder numbers flag)
(when (setq numbers (elmo-dop-filter-pending-messages numbers))
(let ((method (case flag
(unread
'elmo-folder-unset-read-delayed)
(read
'elmo-folder-set-read-delayed)
(important
'elmo-folder-set-important-delayed)
(answered
'elmo-folder-set-answered-delayed))))
(if method
(elmo-dop-queue-append folder method (list numbers))
(elmo-dop-queue-append folder 'elmo-folder-set-flag
(list numbers flag))))))
(defsubst elmo-folder-unset-flag-dop (folder numbers flag)
(when (setq numbers (elmo-dop-filter-pending-messages numbers))
(let ((method (case flag
(unread
'elmo-folder-set-read-delayed)
(read
'elmo-folder-unset-read-delayed)
(important
'elmo-folder-unset-important-delayed)
(answered
'elmo-folder-unset-answered-delayed))))
(if method
(elmo-dop-queue-append folder method (list numbers))
(elmo-dop-queue-append folder 'elmo-folder-unset-flag
(list numbers flag))))))
;;; Execute as subsutitute for plugged operation.
(defun elmo-folder-status-dop (folder)
(let ((number-list (elmo-folder-list-messages folder nil 'in-msgdb))
(spool-folder (elmo-dop-spool-folder folder))
spool-length
max-num)
(setq spool-length (or (if (elmo-folder-exists-p spool-folder)
(car (elmo-folder-status spool-folder)))
0))
(setq max-num (if number-list (apply #'max number-list) 0))
(cons (+ max-num spool-length) (+ (length number-list) spool-length))))
(defun elmo-folder-next-message-number-dop (folder)
(let ((spool-folder (elmo-dop-spool-folder folder)))
(- (+ 1 (elmo-max-of-list (or (elmo-folder-list-messages
spool-folder)
'(0)))))))
;;; Delayed operation (executed at online status).
(defun elmo-folder-append-buffer-dop-delayed (folder flag number set-number)
(let ((spool-folder (elmo-dop-spool-folder folder))
flags)
(with-temp-buffer
(when (elmo-message-fetch spool-folder number
(elmo-make-fetch-strategy 'entire)
'unread)
(setq flags (or (elmo-message-flags-for-append folder (* -1 number))
(cond ((listp flag)
flag)
;; for compatibility with 2.11.12 or earlier
((eq flag t)
nil)
(t
(list flag)))))
(when (or (condition-case nil
(let ((new-num (elmo-folder-next-message-number folder)))
(prog1
(elmo-folder-append-buffer folder flags set-number)
(elmo-emit-signal 'message-number-changed
folder (- number) new-num)))
(error))
;; Append failed...
(elmo-folder-append-buffer
(elmo-get-folder elmo-lost+found-folder)
flags))
(elmo-folder-delete-messages spool-folder (list number)))))
;; ignore failure (already dequed)
t))
(defun elmo-folder-delete-messages-dop-delayed (folder number-alist)
(ignore-errors
(elmo-folder-delete-messages
folder
;; messages are deleted only if message-id is not changed.
(mapcar 'car
(elmo-delete-if
(lambda (pair)
(not (string=
(cdr pair)
(elmo-message-fetch-field folder (car pair)
'message-id))))
number-alist)))
t)) ; Always success (If failure, just remain)
(defun elmo-folder-create-dop-delayed (folder)
(unless (elmo-folder-exists-p folder)
(elmo-folder-create folder)))
(defun elmo-folder-set-important-delayed (folder numbers)
(elmo-folder-set-flag folder numbers 'important))
(defun elmo-folder-unset-important-delayed (folder numbers)
(elmo-folder-unset-flag folder numbers 'important))
(defun elmo-folder-set-read-delayed (folder numbers)
(elmo-folder-unset-flag folder numbers 'unread))
(defun elmo-folder-unset-read-delayed (folder numbers)
(elmo-folder-set-flag folder numbers 'unread))
(defun elmo-folder-set-answered-delayed (folder numbers)
(elmo-folder-set-flag folder numbers 'answered))
(defun elmo-folder-unset-answered-delayed (folder numbers)
(elmo-folder-unset-flag folder numbers 'answered))
;;; Util
(defun elmo-dop-msgdb (msgdb)
(let ((new-db (elmo-make-msgdb))
entity)
(dolist (dop-entity (mapcar
(lambda (number)
(setq entity (elmo-msgdb-message-entity
msgdb number))
(elmo-message-entity-set-number
entity
(* -1 (elmo-message-entity-number entity)))
entity)
(elmo-msgdb-list-messages msgdb)))
(elmo-msgdb-append-entity new-db
dop-entity
(elmo-msgdb-flags
msgdb
(abs (elmo-message-entity-number
dop-entity)))))
new-db))
(require 'product)
(product-provide (provide 'elmo-dop) (require 'elmo-version))
;;; elmo-dop.el ends here
|