1 ;;; elmo.el --- Elisp Library for Message Orchestration.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
6 ;; Keywords: mail, net news
8 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
10 ;; This program 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 2, or (at your option)
15 ;; This program 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.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
34 (require 'elmo-version) ; reduce recursive-load-depth
39 (eval-when-compile (require 'cl))
41 (if (or (featurep 'dbm)
44 (featurep 'berkeley-db))
45 (require 'elmo-database))
47 (defcustom elmo-message-fetch-threshold 30000
52 (defcustom elmo-message-fetch-confirm t
53 "If non-nil, confirm fetching if message size is larger than
54 `elmo-message-fetch-threshold'.
55 Otherwise, entire fetching of the message is aborted without confirmation."
59 (defcustom elmo-folder-update-threshold 500
64 (defcustom elmo-folder-update-confirm t
65 "Confirm if update number exceeds `elmo-folder-update-threshold'."
69 (defvar elmo-message-displaying nil
70 "A global switch to indicate message is displaying or not.")
73 (defvar elmo-folder-type-alist nil)
75 (defvar elmo-newsgroups-hashtb nil)
77 (elmo-define-error 'elmo-error "Error" 'error)
78 (elmo-define-error 'elmo-open-error "Cannot open" 'elmo-error)
79 (elmo-define-error 'elmo-authenticate-error "Login failed" 'elmo-open-error)
80 (elmo-define-error 'elmo-imap4-bye-error "IMAP4 session was terminated" 'elmo-open-error)
84 (autoload 'elmo-dop-queue-flush "elmo-dop")
85 (autoload 'elmo-nntp-post "elmo-nntp")
86 (autoload 'elmo-global-flag-initialize "elmo-flag")
87 (autoload 'elmo-global-flag-p "elmo-flag")
88 (autoload 'elmo-global-flag-detach "elmo-flag")
89 (autoload 'elmo-global-flag-detach-messages "elmo-flag")
90 (autoload 'elmo-global-flag-set "elmo-flag"))
92 (defun elmo-define-folder (prefix backend)
94 If a folder name begins with PREFIX, use BACKEND."
95 (let ((pair (assq prefix elmo-folder-type-alist)))
99 (setcdr pair backend))
100 (setq elmo-folder-type-alist (cons (cons prefix backend)
101 elmo-folder-type-alist)))))
103 (defmacro elmo-folder-type (name)
104 "Get folder type from NAME string."
105 (` (and (stringp (, name))
106 (cdr (assoc (string-to-char (, name)) elmo-folder-type-alist)))))
109 ;; A elmo folder provides uniformed (orchestrated) access
110 ;; to the internet messages.
112 (luna-define-class elmo-folder () (type ; folder type symbol.
113 name ; orignal folder name string.
114 prefix ; prefix for folder name
115 path ; directory path for msgdb.
116 msgdb ; msgdb (may be nil).
117 killed-list ; killed list.
118 persistent ; non-nil if persistent.
119 process-duplicates ; read or hide
120 biff ; folder for biff
122 (luna-define-internal-accessors 'elmo-folder))
124 (luna-define-generic elmo-folder-initialize (folder name)
125 ;; Initialize a FOLDER structure with NAME."
128 (defmacro elmo-folder-send (folder message &rest args)
129 "Let FOLDER receive the MESSAGE with ARGS."
130 (` (luna-send (, folder) (, message) (, folder) (,@ args))))
133 (defun elmo-make-folder (name &optional non-persistent)
134 "Make an ELMO folder structure specified by NAME.
135 If optional argument NON-PERSISTENT is non-nil, the folder msgdb is not saved."
136 (let ((type (elmo-folder-type name))
137 prefix split class folder original)
138 (setq original (elmo-string name))
141 (setq prefix (substring name 0 1))
142 (setq name (substring name 1)))
143 (setq type (intern (car (setq split (split-string name ":")))))
144 (if (>= (length split) 2)
145 (setq name (substring name (+ 1 (length (car split)))))
146 (error "Error in folder name `%s'" original))
147 (setq prefix (concat (car split) ":")))
148 (setq class (format "elmo-%s" (symbol-name type)))
149 (require (intern class))
150 (setq folder (luna-make-entity (intern (concat class "-folder"))
154 :persistent (not non-persistent)))
156 (elmo-folder-send folder 'elmo-folder-initialize name))))
158 ;; Note that this function is for internal use only.
159 (luna-define-generic elmo-folder-msgdb (folder)
160 "Return the msgdb of FOLDER (on-demand loading).
161 \(For internal use only.\)")
163 (luna-define-method elmo-folder-msgdb ((folder elmo-folder))
164 (or (elmo-folder-msgdb-internal folder)
165 (elmo-folder-set-msgdb-internal folder
166 (elmo-folder-msgdb-load folder))))
168 (luna-define-generic elmo-folder-open (folder &optional load-msgdb)
169 "Open and setup (load saved status) FOLDER.
170 If optional LOAD-MSGDB is non-nil, msgdb is loaded.
171 \(otherwise, msgdb is loaded on-demand)")
173 (luna-define-generic elmo-folder-open-internal (folder)
174 "Open FOLDER (without loading saved folder status).")
176 (luna-define-generic elmo-folder-check (folder)
177 "Check the FOLDER to obtain newest information at the next list operation.")
179 (luna-define-generic elmo-folder-clear (folder &optional keep-killed)
180 "Clear FOLDER to the initial state.
181 If optional KEEP-KILLED is non-nil, killed-list is not cleared.")
183 (luna-define-generic elmo-folder-commit (folder)
184 "Save current status of FOLDER.")
186 (luna-define-generic elmo-folder-close (folder)
187 "Close, save and clearnup FOLDER.")
189 (luna-define-generic elmo-folder-close-internal (folder)
190 "Close FOLDER (without saving folder status).")
192 (luna-define-generic elmo-folder-plugged-p (folder)
193 "Returns t if FOLDER is plugged.")
195 (luna-define-generic elmo-folder-set-plugged (folder plugged &optional add)
196 "Set FOLDER as plugged.")
198 (luna-define-generic elmo-net-port-info (folder)
199 "Get port information of FOLDER.")
201 (luna-define-generic elmo-folder-use-flag-p (folder)
202 "Returns t if FOLDER treats unread/important flag itself.")
204 (luna-define-generic elmo-folder-diff (folder)
206 Return value is cons cell or list:
207 - a cons cell (new . all)
208 - a list (new unread all)")
210 (luna-define-generic elmo-folder-status (folder)
211 "Returns a cons cell of (MAX-NUMBER . MESSAGES) in the FOLDER.")
213 (luna-define-generic elmo-folder-reserve-status-p (folder)
214 "If non-nil, the folder should not close folder after `elmo-folder-status'.")
216 (luna-define-generic elmo-folder-list-messages (folder &optional visible-only
218 "Return a list of message numbers contained in FOLDER.
219 If optional VISIBLE-ONLY is non-nil, killed messages are not listed.
220 If second optional IN-MSGDB is non-nil, only messages in the msgdb are listed.")
222 (luna-define-method elmo-folder-list-messages ((folder elmo-folder)
223 &optional visible-only in-msgdb)
224 (let ((list (if in-msgdb
226 (elmo-folder-list-messages-internal folder visible-only)))
227 (killed-list (elmo-folder-killed-list-internal folder)))
230 (setq list (elmo-msgdb-list-messages (elmo-folder-msgdb folder))))
232 (elmo-living-messages list killed-list)
234 (nconc (elmo-number-set-to-number-list killed-list) list)))))
236 (luna-define-generic elmo-folder-list-unreads (folder)
237 "Return a list of unread message numbers contained in FOLDER.")
238 (luna-define-generic elmo-folder-list-importants (folder)
239 "Return a list of important message numbers contained in FOLDER.")
240 (luna-define-generic elmo-folder-list-answereds (folder)
241 "Return a list of answered message numbers contained in FOLDER.")
243 (luna-define-generic elmo-folder-list-flagged (folder flag &optional in-msgdb)
244 "List messages in the FOLDER with FLAG.
245 FLAG is a symbol which is one of the following:
247 `unread' (unread messages (new messages are included))
248 `answered' (answered or forwarded)
249 `important' (marked as important)
252 `digest' (unread + important)
253 `any' (digest + answered)
255 If optional IN-MSGDB is non-nil, retrieve flag information from msgdb.")
257 (luna-define-method elmo-folder-list-flagged ((folder elmo-folder) flag
259 ;; Currently, only in-msgdb is implemented.
260 (elmo-msgdb-list-flagged (elmo-folder-msgdb folder) flag))
262 (luna-define-method elmo-folder-list-unreads ((folder elmo-folder))
263 (elmo-folder-list-flagged folder 'unread))
265 (luna-define-method elmo-folder-list-importants ((folder elmo-folder))
266 (elmo-folder-list-flagged folder 'important))
268 (luna-define-method elmo-folder-list-answereds ((folder elmo-folder))
269 (elmo-folder-list-flagged folder 'answered))
271 (luna-define-generic elmo-folder-list-messages-internal (folder &optional
273 ;; Return a list of message numbers contained in FOLDER.
274 ;; Return t if the message list is not available.
277 (luna-define-generic elmo-folder-list-subfolders (folder &optional one-level)
278 "Returns a list of subfolders contained in FOLDER.
279 If optional argument ONE-LEVEL is non-nil, only children of FOLDER is returned.
280 \(a folder which have children is returned as a list\)
281 Otherwise, all descendent folders are returned.")
283 (luna-define-generic elmo-folder-have-subfolder-p (folder)
284 "Return non-nil when FOLDER has subfolders.")
286 (luna-define-generic elmo-folder-exists-p (folder)
287 "Returns non-nil when FOLDER exists.")
289 (luna-define-generic elmo-folder-creatable-p (folder)
290 "Returns non-nil when FOLDER is creatable.")
292 (luna-define-generic elmo-folder-writable-p (folder)
293 "Returns non-nil when FOLDER is writable.")
295 (luna-define-generic elmo-folder-persistent-p (folder)
296 "Return non-nil when FOLDER is persistent.")
298 (luna-define-generic elmo-folder-create (folder)
301 (luna-define-generic elmo-message-deletable-p (folder number)
302 "Returns non-nil when the message in the FOLDER with NUMBER is deletable.")
304 (luna-define-generic elmo-folder-delete (folder)
305 "Delete FOLDER completely.")
307 (luna-define-generic elmo-folder-rename (folder new-name)
308 "Rename FOLDER to NEW-NAME (string).")
310 (luna-define-generic elmo-folder-delete-messages (folder numbers)
312 FOLDER is the ELMO folder structure.
313 NUMBERS is a list of message numbers to be deleted.
314 It is not recommended to use this function other than internal use.
315 Use `elmo-folder-move-messages' with dst-folder 'null instead.")
317 (luna-define-generic elmo-folder-search (folder condition &optional numbers)
318 "Search and return list of message numbers.
319 FOLDER is the ELMO folder structure.
320 CONDITION is a condition structure for searching.
321 If optional argument NUMBERS is specified and is a list of message numbers,
322 messages are searched from the list.")
324 (luna-define-generic elmo-message-match-condition (folder number
327 "Return non-nil when the message in the FOLDER with NUMBER is matched.
328 CONDITION is a condition structure for testing.
329 NUMBERS is a list of message numbers,
330 use to be test for \"last\" and \"first\" predicates.")
332 (luna-define-generic elmo-folder-msgdb-create (folder numbers flag-table)
333 "Create a message database (implemented in each backends).
334 FOLDER is the ELMO folder structure.
335 NUMBERS is a list of message numbers to create msgdb.
336 FLAG-TABLE is a hashtable of message-id and flag.")
338 (luna-define-generic elmo-folder-unflag-important (folder
341 "Un-flag messages as important.
342 FOLDER is the ELMO folder structure.
343 NUMBERS is a list of message numbers to be processed.
344 If IS-LOCAL is non-nil, only the local flag is updated.")
346 (luna-define-generic elmo-folder-flag-as-important (folder
349 "Flag messages as important.
350 FOLDER is the ELMO folder structure.
351 NUMBERS is a list of message numbers to be processed.
352 If IS-LOCAL is non-nil, only the local flag is updated.")
354 (luna-define-generic elmo-folder-unflag-read (folder numbers
356 "Un-flag messages as read.
357 FOLDER is the ELMO folder structure.
358 NUMBERS is a list of message numbers to be processed.
359 If IS-LOCAL is non-nil, only the local flag is updated.")
361 (luna-define-generic elmo-folder-flag-as-read (folder numbers
363 "Flag messages as read.
364 FOLDER is the ELMO folder structure.
365 NUMBERS is a list of message numbers to be processed.
366 If IS-LOCAL is non-nil, only the local flag is updated.")
368 (luna-define-generic elmo-folder-unflag-answered (folder numbers
370 "Un-flag messages as answered.
371 FOLDER is the ELMO folder structure.
372 If IS-LOCAL is non-nil, only the local flag is updated.")
374 (luna-define-generic elmo-folder-flag-as-answered (folder numbers
376 "Flag messages as answered.
377 FOLDER is the ELMO folder structure.
378 If IS-LOCAL is non-nil, only the local flag is updated.")
380 (luna-define-generic elmo-folder-append-buffer (folder &optional flag
382 "Append current buffer as a new message.
383 FOLDER is the destination folder(ELMO folder structure).
384 FLAG is the status of appended message.
385 If optional argument NUMBER is specified, the new message number is set
388 (luna-define-generic elmo-folder-append-messages (folder
393 "Append messages from folder.
394 FOLDER is the ELMO folder structure.
395 Caller should make sure FOLDER is `writable'.
396 \(Can be checked with `elmo-folder-writable-p'\).
397 SRC-FOLDER is the source ELMO folder structure.
398 NUMBERS is the message numbers to be appended in the SRC-FOLDER.
399 If second optional argument SAME-NUMBER is specified,
400 message number is preserved \(if possible\).")
402 (luna-define-generic elmo-folder-pack-numbers (folder)
403 "Pack message numbers of FOLDER.")
405 (luna-define-generic elmo-folder-update-number (folder)
406 "Update number of FOLDER.")
408 (luna-define-generic elmo-folder-diff-async (folder)
409 "Get diff of FOLDER asynchronously.")
411 (luna-define-generic elmo-folder-expand-msgdb-path (folder)
412 "Expand path for FOLDER.")
414 (luna-define-generic elmo-folder-get-primitive-list (folder)
415 "Get primitive folder structure list contained in FOLDER.")
417 (luna-define-generic elmo-folder-contains-type (folder type)
418 "Returns t if FOLDER contains TYPE.")
420 (luna-define-generic elmo-folder-local-p (folder)
421 "Returns t if FOLDER is local.")
423 (luna-define-generic elmo-folder-message-file-p (folder)
424 "Returns t if all messages in the FOLDER are files.")
427 (luna-define-generic elmo-message-use-cache-p (folder number)
428 "Returns t if the message in the FOLDER with NUMBER uses cache.")
430 (luna-define-generic elmo-message-file-name (folder number)
431 "Return the file name of a message specified by FOLDER and NUMBER.")
435 ;;; Use original file
436 (luna-define-generic elmo-folder-message-file-number-p (folder)
437 "Return t if the file name in the FOLDER is the message number.")
439 (luna-define-generic elmo-folder-message-file-directory (folder)
440 "Return the directory of the message files of FOLDER.")
442 ;;; Use temporary file
443 (luna-define-generic elmo-folder-message-make-temp-file-p (folder)
444 "Return t if the messages in the FOLDER makes local temporary file.")
446 (luna-define-generic elmo-folder-message-make-temp-files (folder
450 "Make a new temporary files from the messages in the FOLDER with NUMBERS.
451 If START-NUMBER is specified, temporary files begin from the number.
452 Otherwise, same number is used for temporary files.
453 Return newly created temporary directory name which contains temporary files.")
455 (luna-define-generic elmo-message-file-p (folder number)
456 "Return t if message in the FOLDER with NUMBER is a file.")
458 (luna-define-generic elmo-message-flags (folder number)
459 "Return a list of flags.
460 FOLDER is a ELMO folder structure.
461 NUMBER is a number of the message.")
463 (luna-define-method elmo-message-flags ((folder elmo-folder) number)
464 (elmo-msgdb-flags (elmo-folder-msgdb folder) number))
466 (defsubst elmo-message-flagged-p (folder number flag)
467 "Return non-nil if the message is set FLAG.
468 FOLDER is a ELMO folder structure.
469 NUMBER is a message number to test."
470 (let ((cur-flags (elmo-message-flags folder number)))
473 (not (memq 'unread cur-flags)))
475 (memq flag cur-flags)))))
477 (luna-define-generic elmo-find-fetch-strategy
478 (folder entity &optional ignore-cache)
479 ;; Returns the message fetching strategy suitable for the message.
480 ;; FOLDER is the ELMO folder structure.
481 ;; ENTITY is the overview entity of the message in the folder.
482 ;; If optional argument IGNORE-CACHE is non-nil, cache is ignored.
483 ;; Returned value is a elmo-fetch-strategy object.
484 ;; If return value is nil, message should not be nil.
487 (defmacro elmo-make-fetch-strategy (entireness
492 ;; Make elmo-message-fetching strategy.
493 ;; ENTIRENESS is 'entire or 'section.
494 ;; 'entire means fetch message entirely at once.
495 ;; 'section means fetch message section by section.
496 ;; If optional USE-CACHE is non-nil, existing cache is used and otherwise,
497 ;; existing cache is thrown away.
498 ;; If SAVE-CACHE is non-nil, fetched message is saved.
499 ;; CACHE-PATH is the cache path to be used as a message cache file.
500 (` (vector (, entireness)
501 (, use-cache) (, save-cache) (, cache-path))))
503 (defmacro elmo-fetch-strategy-entireness (strategy)
504 ;; Return entireness of STRATEGY.
505 (` (aref (, strategy) 0)))
507 (defmacro elmo-fetch-strategy-use-cache (strategy)
508 ;; Return use-cache of STRATEGY.
509 (` (aref (, strategy) 1)))
511 (defmacro elmo-fetch-strategy-save-cache (strategy)
512 ;; Return save-cache of STRATEGY.
513 (` (aref (, strategy) 2)))
515 (defmacro elmo-fetch-strategy-cache-path (strategy)
516 ;; Return cache-path of STRATEGY.
517 (` (aref (, strategy) 3)))
519 (luna-define-method elmo-find-fetch-strategy
520 ((folder elmo-folder) entity &optional ignore-cache)
521 (let (cache-file size message-id number)
522 (setq size (elmo-message-entity-field entity 'size))
523 (setq message-id (elmo-message-entity-field entity 'message-id))
524 (setq number (elmo-message-entity-number entity))
525 (setq cache-file (elmo-file-cache-get message-id))
526 (setq ignore-cache (or ignore-cache
527 (null (elmo-message-use-cache-p folder number))))
529 (null (elmo-file-cache-status cache-file)))
530 ;; No cache or ignore-cache.
531 (if (and (not (elmo-folder-local-p folder))
532 elmo-message-fetch-threshold
534 (>= size elmo-message-fetch-threshold)
535 (or (not elmo-message-fetch-confirm)
536 (not (prog1 (y-or-n-p
537 (format "Fetch entire message(%dbytes)? "
540 ;; Don't fetch message at all.
542 ;; Don't use existing cache and fetch entire message at once.
543 (elmo-make-fetch-strategy
545 (elmo-message-use-cache-p folder number)
546 (elmo-file-cache-path cache-file)))
548 (if (not ignore-cache)
549 (elmo-make-fetch-strategy
551 ;; ...But ignore current section cache and re-fetch
553 (not (eq (elmo-file-cache-status cache-file) 'section))
555 (elmo-message-use-cache-p folder number)
556 (elmo-file-cache-path cache-file))))))
558 (luna-define-method elmo-folder-list-messages-internal
559 ((folder elmo-folder) &optional visible-only)
562 (defun elmo-folder-encache (folder numbers &optional unread)
563 "Encache messages in the FOLDER with NUMBERS.
564 If UNREAD is non-nil, messages are not flaged as read."
565 (dolist (number numbers)
566 (elmo-message-encache folder number unread)))
568 (luna-define-generic elmo-message-encache (folder number &optional read)
569 "Encache message in the FOLDER with NUMBER.
570 If READ is non-nil, message is flaged as read.")
572 (luna-define-method elmo-message-encache ((folder elmo-folder) number
577 (elmo-make-fetch-strategy 'entire
580 (setq path (elmo-file-cache-get-path
582 folder number 'message-id))))
586 (luna-define-generic elmo-message-fetch (folder number strategy
591 "Fetch a message and return as a string.
592 FOLDER is the ELMO folder structure.
593 NUMBER is the number of the message in the FOLDER.
594 STRATEGY is the message fetching strategy.
595 If optional argument SECTION is specified, only the SECTION of the message
596 is fetched (if possible).
597 If second optional argument OUTBUF is specified, fetched message is
598 inserted to the buffer and returns t if fetch was ended successfully.
599 If third optional argument UNREAD is non-nil, message is not flaged as read.
600 Returns non-nil if fetching was succeed.")
602 (luna-define-generic elmo-message-fetch-with-cache-process (folder
607 "Fetch a message into current buffer with cache process.
608 FOLDER is the ELMO folder structure.
609 NUMBER is the number of the message in the FOLDER.
610 STRATEGY is the message fetching strategy.
611 If optional argument SECTION is specified, only the SECTION of the message
612 is fetched (if possible).
613 If second optional argument UNREAD is non-nil, message is not flaged as read.
614 Returns non-nil if fetching was succeed.")
616 (luna-define-generic elmo-message-fetch-internal (folder number strategy
620 "Fetch a message into current buffer.
621 FOLDER is the ELMO folder structure.
622 NUMBER is the number of the message in the FOLDER.
623 STRATEGY is the message fetching strategy.
624 If optional argument SECTION is specified, only the SECTION of the message
625 is fetched (if possible).
626 If second optional argument UNREAD is non-nil, message is not flaged as read.
627 Returns non-nil if fetching was succeed.")
629 (luna-define-generic elmo-message-fetch-field (folder number field)
630 "Fetch a message field value.
631 FOLDER is the ELMO folder structure.
632 NUMBER is the number of the message in the FOLDER.
633 FIELD is a symbol of the field name.")
635 (luna-define-generic elmo-message-folder (folder number)
636 "Get primitive folder of the message.")
638 (luna-define-generic elmo-folder-process-crosspost (folder)
639 "Process crosspost for FOLDER.
640 Return a cons cell of (NUMBER-CROSSPOSTS . NEW-FLAG-ALIST).")
642 (luna-define-generic elmo-folder-newsgroups (folder)
643 "Return list of newsgroup name of FOLDER.")
645 (luna-define-generic elmo-folder-search-requires-msgdb-p (folder condition)
646 "Return non-nil if searching in FOLDER by CONDITION requires msgdb fetch.")
648 (defun elmo-folder-search-requires-msgdb-p-internal (folder condition)
649 (if (listp condition)
650 (or (elmo-folder-search-requires-msgdb-p-internal
651 folder (nth 1 condition))
652 (elmo-folder-search-requires-msgdb-p-internal
653 folder (nth 2 condition)))
654 (and (not (string= (elmo-filter-key condition) "last"))
655 (not (string= (elmo-filter-key condition) "first")))))
657 (luna-define-method elmo-folder-search-requires-msgdb-p ((folder elmo-folder)
659 (elmo-folder-search-requires-msgdb-p-internal folder condition))
661 (luna-define-method elmo-folder-newsgroups ((folder elmo-folder))
664 (luna-define-method elmo-folder-open ((folder elmo-folder)
665 &optional load-msgdb)
666 (elmo-generic-folder-open folder load-msgdb))
668 (defun elmo-generic-folder-open (folder load-msgdb)
669 (let ((inhibit-quit t))
670 (if load-msgdb (elmo-folder-msgdb folder))
671 (elmo-folder-set-killed-list-internal
673 (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder))))
674 (elmo-folder-open-internal folder))
676 (luna-define-method elmo-folder-open-internal ((folder elmo-folder))
677 nil ; default is do nothing.
680 (luna-define-method elmo-folder-check ((folder elmo-folder))
681 nil) ; default is noop.
683 (luna-define-method elmo-folder-commit ((folder elmo-folder))
684 (elmo-generic-folder-commit folder))
686 (defun elmo-generic-folder-commit (folder)
687 (let ((msgdb (elmo-folder-msgdb-internal folder)))
688 (when (and msgdb (elmo-folder-persistent-p folder))
689 (when (elmo-msgdb-message-modified-p msgdb)
690 (elmo-folder-set-info-max-by-numdb
692 (elmo-folder-list-messages folder nil 'in-msgdb))
693 (elmo-msgdb-killed-list-save
694 (elmo-folder-msgdb-path folder)
695 (elmo-folder-killed-list-internal folder)))
696 (elmo-msgdb-save msgdb))))
698 (luna-define-method elmo-folder-close-internal ((folder elmo-folder))
702 (luna-define-method elmo-folder-close ((folder elmo-folder))
703 (elmo-generic-folder-close folder)
704 (elmo-folder-close-internal folder))
706 (defun elmo-generic-folder-close (folder)
707 (elmo-folder-commit folder)
708 (elmo-folder-set-msgdb-internal folder nil)
709 (elmo-folder-set-killed-list-internal folder nil))
711 (luna-define-method elmo-folder-plugged-p ((folder elmo-folder))
712 t) ; default is plugged.
714 (luna-define-method elmo-folder-set-plugged ((folder elmo-folder) plugged
716 nil) ; default is do nothing.
718 (luna-define-method elmo-folder-use-flag-p ((folder elmo-folder))
719 nil) ; default is no flag.
721 (luna-define-method elmo-folder-persistent-p ((folder elmo-folder))
722 (elmo-folder-persistent-internal folder))
724 (luna-define-method elmo-folder-creatable-p ((folder elmo-folder))
725 nil) ; default is not creatable.
727 (luna-define-method elmo-folder-writable-p ((folder elmo-folder))
728 nil) ; default is not writable.
730 (luna-define-method elmo-folder-delete ((folder elmo-folder))
731 (when (yes-or-no-p (format "Delete msgdb of \"%s\"? "
732 (elmo-folder-name-internal folder)))
733 (elmo-msgdb-delete-path folder)
736 (luna-define-method elmo-folder-rename ((folder elmo-folder) new-name)
737 (let* ((new-folder (elmo-make-folder new-name)))
738 (unless (eq (elmo-folder-type-internal folder)
739 (elmo-folder-type-internal new-folder))
740 (error "Not same folder type"))
741 (if (or (file-exists-p (elmo-folder-msgdb-path new-folder))
742 (elmo-folder-exists-p new-folder))
743 (error "Already exists folder: %s" new-name))
744 (elmo-folder-send folder 'elmo-folder-rename-internal new-folder)
745 (elmo-msgdb-rename-path folder new-folder)))
747 (luna-define-method elmo-folder-search ((folder elmo-folder)
750 (let ((numbers (or numbers (elmo-folder-list-messages folder)))
751 (msgdb (elmo-folder-msgdb folder))
753 (setq results (elmo-msgdb-search msgdb condition numbers))
756 (let ((len (length numbers))
758 (elmo-with-progress-display (> len elmo-display-progress-threshold)
759 (elmo-folder-search len "Searching...")
760 (dolist (number numbers)
762 (setq result (elmo-msgdb-match-condition msgdb
766 (when (elmo-filter-condition-p result)
767 (setq result (elmo-message-match-condition folder
772 (setq matched (cons number matched))))
773 (elmo-progress-notify 'elmo-folder-search)))
774 (message "Searching...done")
775 (nreverse matched)))))
777 (luna-define-method elmo-message-match-condition ((folder elmo-folder)
780 (let ((filename (cond
781 ((elmo-message-file-name folder number))
782 ((let* ((cache (elmo-file-cache-get
783 (elmo-message-field folder number
785 (cache-path (elmo-file-cache-path cache)))
786 (when (and cache-path
787 (not (elmo-cache-path-section-p cache-path)))
790 (file-readable-p filename))
792 (insert-file-contents-as-binary filename)
793 (elmo-set-buffer-multibyte default-enable-multibyte-characters)
794 ;; Should consider charset?
795 (decode-mime-charset-region (point-min) (point-max) elmo-mime-charset)
796 (elmo-buffer-field-condition-match condition number numbers)))))
798 (luna-define-method elmo-folder-pack-numbers ((folder elmo-folder))
799 nil) ; default is noop.
801 (luna-define-method elmo-folder-update-number ((folder elmo-folder))
802 nil) ; default is noop.
804 (luna-define-method elmo-folder-message-file-p ((folder elmo-folder))
805 nil) ; default is not file.
807 (luna-define-method elmo-folder-message-file-number-p ((folder elmo-folder))
808 nil) ; default is not number.
810 (luna-define-method elmo-folder-message-make-temp-file-p ((folder elmo-folder))
811 nil) ; default is not make temp file.
813 (luna-define-method elmo-message-file-name ((folder elmo-folder)
815 nil) ; default is no name.
817 (luna-define-method elmo-folder-local-p ((folder elmo-folder))
818 t) ; default is local.
820 (luna-define-method elmo-folder-have-subfolder-p ((folder elmo-folder))
824 ;; Folder info is a message number information cache (hashtable)
825 (defsubst elmo-folder-get-info (folder &optional hashtb)
826 "Return FOLDER info from HASHTB (default is `elmo-folder-info-hashtb')."
827 (elmo-get-hash-val (elmo-folder-name-internal folder)
828 (or hashtb elmo-folder-info-hashtb)))
830 (defun elmo-folder-set-info-hashtb (folder max numbers &optional new unread)
831 "Set FOLDER info (means MAX, NUMBERS, NEW and UNREAD)."
832 (let ((info (elmo-folder-get-info folder)))
834 (or new (setq new (nth 0 info)))
835 (or unread (setq unread (nth 1 info)))
836 (or numbers (setq numbers (nth 2 info)))
837 (or max (setq max (nth 3 info))))
838 (elmo-set-hash-val (elmo-folder-name-internal folder)
839 (list new unread numbers max)
840 elmo-folder-info-hashtb)))
842 (defun elmo-folder-set-info-max-by-numdb (folder numbers)
843 "Set FOLDER info by MSGDB-NUMBER in msgdb."
844 (elmo-folder-set-info-hashtb
846 (or (car (sort numbers '>)) 0)
847 nil ;;(length num-db)
850 (defun elmo-folder-get-info-max (folder)
851 "Return max number of FODLER from folder info."
852 (nth 3 (elmo-folder-get-info folder)))
854 (defun elmo-folder-get-info-length (folder)
855 "Return length of FODLER from folder info."
856 (nth 2 (elmo-folder-get-info folder)))
858 (defun elmo-folder-get-info-unread (folder)
859 "Return unread of FODLER from folder info."
860 (nth 1 (elmo-folder-get-info folder)))
862 (defun elmo-folder-info-make-hashtb (info-alist hashtb)
863 "Setup folder info hashtable by INFO-ALIST on HASHTB."
864 (let* ((hashtb (or hashtb
865 (elmo-make-hash (length info-alist)))))
868 (let ((info (cadr x)))
869 (and (intern-soft (car x) hashtb)
870 (elmo-set-hash-val (car x)
871 (list (nth 2 info) ;; new
872 (nth 3 info) ;; unread
873 (nth 1 info) ;; length
877 (setq elmo-folder-info-hashtb hashtb)))
879 (defsubst elmo-diff-new (diff)
882 (defsubst elmo-diff-unread (diff)
883 (when (consp (cdr diff))
886 (defsubst elmo-diff-all (diff)
887 (if (consp (cdr diff))
891 (defsubst elmo-strict-folder-diff (folder)
892 "Return folder diff information strictly from FOLDER."
893 (let ((in-db (sort (elmo-msgdb-list-messages (elmo-folder-msgdb folder))
895 (in-folder (elmo-folder-list-messages folder))
896 append-list delete-list diff)
897 (cons (if (equal in-folder in-db)
899 (setq diff (elmo-list-diff in-folder in-db nil))
900 (setq append-list (car diff))
901 (setq delete-list (cadr diff))
905 (- 0 (length delete-list))
907 (length in-folder))))
909 (luna-define-method elmo-folder-diff ((folder elmo-folder))
910 (elmo-generic-folder-diff folder))
912 (defun elmo-generic-folder-diff (folder)
913 (if (elmo-string-match-member (elmo-folder-name-internal folder)
914 elmo-strict-diff-folder-list)
915 (elmo-strict-folder-diff folder)
916 (let ((cached-in-db-max (elmo-folder-get-info-max folder))
917 (in-folder (elmo-folder-status folder))
921 (if (not cached-in-db-max)
922 (let ((number-list (elmo-folder-list-messages folder
925 (setq in-db (sort number-list '<))
926 (setq in-db-max (or (nth (max 0 (1- (length in-db))) in-db)
928 (elmo-folder-set-info-hashtb folder in-db-max nil))
929 (setq in-db-max cached-in-db-max))
930 (setq unsync (if (and in-db (car in-folder))
931 (- (car in-folder) in-db-max)
932 (if (and in-folder (null in-db))
935 (setq messages (cdr in-folder))
936 (if (and unsync messages (> unsync messages))
937 (setq unsync messages))
938 (cons (or unsync 0) (or messages 0)))))
940 (defvar elmo-folder-diff-async-callback nil)
941 (defvar elmo-folder-diff-async-callback-data nil)
943 (luna-define-method elmo-folder-diff-async ((folder elmo-folder))
944 (and elmo-folder-diff-async-callback
945 (funcall elmo-folder-diff-async-callback
947 (elmo-folder-diff folder))))
949 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-folder))
952 (luna-define-method elmo-folder-contains-type ((folder elmo-folder) type)
953 (eq (elmo-folder-type-internal folder) type))
955 (luna-define-method elmo-folder-append-messages ((folder elmo-folder)
960 (elmo-generic-folder-append-messages folder src-folder numbers
963 (defun elmo-generic-folder-append-messages (folder src-folder numbers
965 (let ((src-msgdb-exists (not (zerop (elmo-folder-length src-folder))))
967 succeed-numbers failure cache id)
968 (setq table (elmo-flag-table-load (elmo-folder-msgdb-path folder)))
970 (set-buffer-multibyte nil)
973 id (and src-msgdb-exists
974 (elmo-message-field src-folder (car numbers)
976 flags (elmo-message-flags src-folder (car numbers)))
978 (setq cache (elmo-file-cache-get id)
983 src-folder (car numbers)
984 (if (elmo-folder-plugged-p src-folder)
985 (elmo-make-fetch-strategy
987 (and cache (elmo-file-cache-path cache)))
988 (or (and elmo-enable-disconnected-operation
990 (eq (elmo-file-cache-status cache) 'entire)
991 (elmo-make-fetch-strategy
993 (elmo-file-cache-path cache)))
994 (error "Unplugged")))
998 (elmo-folder-append-buffer
1001 (if same-number (car numbers))))))
1002 (error (setq failure t)))
1003 ;; FETCH & APPEND finished
1006 (elmo-flag-table-set table id flags))
1007 (setq succeed-numbers (cons (car numbers) succeed-numbers)))
1008 (elmo-progress-notify 'elmo-folder-move-messages)
1009 (setq numbers (cdr numbers)))
1010 (when (elmo-folder-persistent-p folder)
1011 (elmo-flag-table-save (elmo-folder-msgdb-path folder) table))
1014 ;; Arguments should be reduced.
1015 (defun elmo-folder-move-messages (src-folder msgs dst-folder
1020 (let* ((messages msgs)
1021 (elmo-inhibit-display-retrieval-progress t)
1024 (if (eq dst-folder 'null)
1025 (setq succeeds messages)
1026 (unless (elmo-folder-writable-p dst-folder)
1027 (error "move: %d is not writable"
1028 (elmo-folder-name-internal dst-folder)))
1030 ;; src is already opened.
1031 (elmo-folder-open-internal dst-folder)
1032 (unless (setq succeeds (elmo-folder-append-messages dst-folder
1036 (error "move: append message to %s failed"
1037 (elmo-folder-name-internal dst-folder)))
1038 (elmo-folder-close dst-folder)))
1039 (if (and (not no-delete) succeeds)
1041 (if (and (elmo-folder-delete-messages src-folder succeeds)
1042 (elmo-folder-detach-messages src-folder succeeds))
1044 (elmo-global-flag-detach-messages
1045 src-folder succeeds (eq dst-folder 'null))
1047 (message "move: delete messages from %s failed."
1048 (elmo-folder-name-internal src-folder))
1053 ;; (message "Copying messages...done")
1056 (message "No message was moved.")
1057 (message "Moving messages failed.")
1061 (defun elmo-folder-msgdb-path (folder)
1062 "Return the msgdb path for FOLDER."
1063 (or (elmo-folder-path-internal folder)
1064 (elmo-folder-set-path-internal
1066 (elmo-folder-expand-msgdb-path folder))))
1068 (luna-define-generic elmo-message-cached-p (folder number)
1069 "Return non-nil if the message is cached.")
1071 (luna-define-method elmo-message-cached-p ((folder elmo-folder) number)
1072 (elmo-message-flagged-p folder number 'cached))
1074 (defun elmo-message-accessible-p (folder number)
1075 "Get accessibility of the message.
1076 Return non-nil when message is accessible."
1077 (or (elmo-folder-plugged-p folder)
1078 (elmo-folder-local-p folder)
1079 (elmo-message-cached-p folder number)))
1081 (luna-define-generic elmo-message-set-cached (folder number cached)
1082 "Set cache status of the message in the msgdb.
1083 FOLDER is the ELMO folder structure.
1084 NUMBER is a number of the message.
1085 If CACHED is t, message is set as cached.")
1087 (luna-define-method elmo-message-set-cached ((folder elmo-folder)
1090 (elmo-msgdb-set-flag (elmo-folder-msgdb folder) number 'cached)
1091 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder) number 'cached)))
1093 (defun elmo-message-copy-entity (entity)
1094 (elmo-msgdb-copy-message-entity (elmo-message-entity-handler entity)
1097 (luna-define-generic elmo-message-entity (folder key)
1098 "Return the message-entity structure which matches to the KEY.
1099 KEY is a number or a string.
1100 A number is for message number in the FOLDER.
1101 A string is for message-id of the message.")
1103 (luna-define-method elmo-message-entity ((folder elmo-folder) key)
1104 (elmo-msgdb-message-entity (elmo-folder-msgdb folder) key))
1106 (luna-define-generic elmo-message-entity-parent (folder entity)
1107 "Return the parent message-entity structure in the FOLDER.
1108 ENTITY is the message-entity to get the parent.")
1110 (luna-define-method elmo-message-entity-parent ((folder elmo-folder) entity)
1111 (elmo-msgdb-get-parent-entity entity (elmo-folder-msgdb folder)))
1113 (put 'elmo-folder-do-each-message-entity 'lisp-indent-function '1)
1114 (def-edebug-spec elmo-folder-do-each-message-entity
1115 ((symbolp form &rest form) &rest form))
1117 (defsubst elmo-folder-list-message-entities (folder)
1118 ;; List all message entities in the FOLDER.
1120 (lambda (number) (elmo-message-entity folder number))
1121 (elmo-folder-list-messages folder nil t))) ; XXX killed-list is not used.
1123 (defmacro elmo-folder-do-each-message-entity (spec &rest form)
1124 "Iterator for message entity in the folder.
1125 \(elmo-folder-do-each-message-entity \(entity folder\)
1126 ... do the process using entity...
1128 `(dolist (,(car spec) (elmo-folder-list-message-entities ,(car (cdr spec))))
1131 (luna-define-generic elmo-folder-count-flags (folder)
1132 "Count flagged message number in the msgdb of the FOLDER.
1133 Return a list of numbers (`new' `unread' `answered')")
1135 (luna-define-method elmo-folder-count-flags ((folder elmo-folder))
1140 (dolist (number (elmo-folder-list-messages folder 'visible 'in-msgdb))
1141 (setq flags (elmo-message-flags folder number))
1145 ((memq 'unread flags)
1147 ((memq 'answered flags)
1149 (list new unreads answered)))
1151 (defun elmo-message-set-flag (folder number flag &optional is-local)
1153 FOLDER is a ELMO folder structure.
1154 NUMBER is a message number to set flag.
1156 FLAG is a symbol which is one of the following:
1157 `unread' (set the message as unread)
1158 `answered' (set the message as answered)
1159 `important' (set the message as important)
1161 `read' (remove new and unread flags)
1162 If optional IS-LOCAL is non-nil, update only local (not server) status."
1163 ;; XXX Transitional implementation.
1166 (elmo-folder-unflag-read folder (list number) is-local))
1168 (elmo-folder-flag-as-read folder (list number) is-local))
1170 (elmo-folder-flag-as-answered folder (list number) is-local))
1172 (elmo-folder-flag-as-important folder (list number) is-local))))
1174 (defun elmo-message-unset-flag (folder number flag &optional is-local)
1175 "Unset message flag.
1176 FOLDER is a ELMO folder structure.
1177 NUMBER is a message number to set flag.
1179 FLAG is a symbol which is one of the following:
1180 `unread' (remove unread and new flag)
1181 `answered' (remove answered flag)
1182 `important' (remove important flag)
1184 `read' (set unread flag)
1185 If optional IS-LOCAL is non-nil, update only local (not server) status."
1186 ;; XXX Transitional implementation.
1189 (elmo-folder-flag-as-read folder (list number) is-local))
1191 (elmo-folder-unflag-read folder (list number) is-local))
1193 (elmo-folder-unflag-answered folder (list number) is-local))
1195 (elmo-folder-unflag-important folder (list number) is-local))))
1197 (luna-define-generic elmo-message-field (folder number field)
1198 "Get message field value in the msgdb.
1199 FOLDER is the ELMO folder structure.
1200 NUMBER is a number of the message.
1201 FIELD is a symbol of the field.")
1203 (luna-define-method elmo-message-field ((folder elmo-folder) number field)
1204 (when (zerop (elmo-folder-length folder))
1205 (error "Cannot treat this folder correctly."))
1206 (elmo-message-entity-field (elmo-message-entity folder number) field))
1208 (luna-define-method elmo-message-use-cache-p ((folder elmo-folder) number)
1209 nil) ; default is not use cache.
1211 (luna-define-method elmo-message-folder ((folder elmo-folder) number)
1212 folder) ; default is folder
1214 (luna-define-method elmo-folder-unflag-important ((folder elmo-folder)
1217 (when (elmo-folder-msgdb-internal folder)
1218 (dolist (number numbers)
1219 (when (elmo-global-flag-p 'important)
1220 (elmo-global-flag-detach 'important folder number 'remove-if-none))
1221 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1225 (luna-define-method elmo-folder-flag-as-important ((folder elmo-folder)
1228 (let (path message-id)
1229 (when (elmo-folder-msgdb-internal folder)
1230 (dolist (number numbers)
1231 ;; important message should always be a read message.
1232 (if (eq (elmo-file-cache-exists-p
1234 (elmo-message-field folder number 'message-id)))
1236 (elmo-folder-flag-as-read folder (list number)))
1237 (when (elmo-global-flag-p 'important)
1238 (elmo-global-flag-set 'important folder number message-id))
1239 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1243 (luna-define-method elmo-folder-unflag-read ((folder elmo-folder)
1246 (when (elmo-folder-msgdb-internal folder)
1247 (dolist (number numbers)
1248 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1252 (luna-define-method elmo-folder-flag-as-read ((folder elmo-folder)
1255 (when (elmo-folder-msgdb-internal folder)
1256 (dolist (number numbers)
1257 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1261 (luna-define-method elmo-folder-unflag-answered ((folder elmo-folder)
1264 (when (elmo-folder-msgdb-internal folder)
1265 (dolist (number numbers)
1266 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1270 (luna-define-method elmo-folder-flag-as-answered ((folder elmo-folder)
1273 (when (elmo-folder-msgdb-internal folder)
1274 (dolist (number numbers)
1275 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1279 (luna-define-method elmo-folder-process-crosspost ((folder elmo-folder))
1283 ;;(luna-define-generic elmo-folder-append-message-entity (folder entity
1286 ;; "Append ENTITY to the folder.")
1288 (defun elmo-msgdb-merge (folder msgdb-merge)
1289 "Return a list of messages which have duplicated message-id."
1290 (let (msgdb duplicates)
1291 (setq msgdb (or (elmo-folder-msgdb-internal folder)
1292 (elmo-make-msgdb (elmo-folder-msgdb-path folder))))
1293 (setq duplicates (elmo-msgdb-append msgdb msgdb-merge))
1294 (elmo-folder-set-msgdb-internal folder msgdb)
1297 (defsubst elmo-folder-append-msgdb (folder append-msgdb)
1299 (let ((duplicates (elmo-msgdb-merge folder append-msgdb)))
1300 (cond ((eq (elmo-folder-process-duplicates-internal folder)
1302 ;; Let duplicates be a temporary killed message.
1303 (elmo-folder-kill-messages folder duplicates)
1304 ;; Should be flag as read.
1305 (elmo-folder-flag-as-read folder duplicates))
1306 ((eq (elmo-folder-process-duplicates-internal folder)
1308 ;; Flag as read duplicates.
1309 (elmo-folder-flag-as-read folder duplicates))
1312 (setq duplicates nil)))
1313 (length duplicates))
1316 (defun elmo-folder-confirm-appends (appends)
1317 (let ((len (length appends))
1319 (if (and elmo-folder-update-threshold
1320 (> len elmo-folder-update-threshold)
1321 elmo-folder-update-confirm)
1322 (if (y-or-n-p (format "Too many messages(%d). Update all? " len))
1324 (setq in elmo-folder-update-threshold)
1327 (setq in (read-from-minibuffer "Update number: "
1329 in (string-to-int in))
1332 (if (y-or-n-p (format
1333 "%d messages are killed (not appeared). OK? "
1334 (max (- len in) 0)))
1336 (nthcdr (max (- len in) 0) appends))
1337 (if (and elmo-folder-update-threshold
1338 (> len elmo-folder-update-threshold)
1339 (not elmo-folder-update-confirm))
1340 (nthcdr (max (- len elmo-folder-update-threshold) 0) appends)
1343 (luna-define-method elmo-message-fetch ((folder elmo-folder)
1350 (with-current-buffer outbuf
1352 (elmo-message-fetch-with-cache-process folder number
1353 strategy section unread))
1355 (elmo-message-fetch-with-cache-process folder number
1356 strategy section unread)
1359 (luna-define-method elmo-message-fetch-with-cache-process ((folder elmo-folder)
1363 (let ((cache-path (elmo-fetch-strategy-cache-path strategy))
1365 (cond ((eq (elmo-fetch-strategy-use-cache strategy) 'maybe)
1367 ((elmo-fetch-strategy-use-cache strategy)
1372 (while (and method-priorities
1375 (case (car method-priorities)
1377 (elmo-file-cache-load cache-path section))
1379 (when (and (condition-case error
1380 (elmo-message-fetch-internal folder number
1384 (error (setq err error) nil))
1385 (> (buffer-size) 0))
1386 (elmo-delete-cr-buffer)
1387 (when (and (elmo-fetch-strategy-save-cache strategy)
1389 (elmo-file-cache-save cache-path section))
1391 method-priorities (cdr method-priorities)))
1393 (and err (signal (car err) (cdr err))))))
1395 (defun elmo-folder-kill-messages-range (folder beg end)
1396 (elmo-folder-set-killed-list-internal
1399 (elmo-folder-killed-list-internal folder)
1400 (list (cons beg end)))))
1402 (defun elmo-folder-kill-messages (folder numbers)
1403 "Kill(hide) messages in the FOLDER with NUMBERS."
1404 (elmo-folder-set-killed-list-internal
1406 (elmo-number-set-append-list (elmo-folder-killed-list-internal
1410 (luna-define-method elmo-folder-clear ((folder elmo-folder)
1411 &optional keep-killed)
1413 (elmo-folder-set-killed-list-internal folder nil))
1414 (if (eq elmo-msgdb-convert-type 'sync)
1415 (elmo-folder-set-msgdb-internal
1417 (elmo-make-msgdb (elmo-folder-msgdb-path folder)))
1418 (elmo-msgdb-clear (elmo-folder-msgdb folder))))
1420 (luna-define-generic elmo-folder-synchronize (folder
1425 "Synchronize the folder data to the newest status.
1426 FOLDER is the ELMO folder structure.
1428 If optional DISABLE-KILLED is non-nil, killed messages are also synchronized.
1429 If optional IGNORE-MSGDB is non-nil, current msgdb is thrown away except
1431 If NO-CHECK is non-nil, rechecking folder is skipped.
1432 Return a list of a cross-posted message number.
1433 If update process is interrupted, return nil.")
1435 (luna-define-method elmo-folder-synchronize ((folder elmo-folder)
1440 (let ((killed-list (elmo-folder-killed-list-internal folder))
1442 old-msgdb diff diff-2 delete-list new-list new-msgdb flag
1443 flag-table crossed after-append)
1444 (setq old-msgdb (elmo-folder-msgdb folder))
1445 (setq flag-table (elmo-flag-table-load (elmo-folder-msgdb-path folder)))
1447 (elmo-msgdb-flag-table (elmo-folder-msgdb folder) flag-table)
1448 (elmo-folder-clear folder (not disable-killed)))
1449 (unless no-check (elmo-folder-check folder))
1452 (message "Checking folder diff...")
1453 (setq diff (elmo-list-diff (elmo-folder-list-messages
1455 (not disable-killed))
1456 (elmo-folder-list-messages
1458 (not disable-killed)
1460 (message "Checking folder diff...done")
1461 (setq new-list (elmo-folder-confirm-appends (car diff)))
1462 ;; Set killed list as ((1 . MAX-OF-DISAPPEARED))
1463 (when (and (not (eq (length (car diff))
1465 (setq diff-2 (elmo-list-diff (car diff) new-list)))
1466 (elmo-folder-kill-messages-range
1469 (nth (- (length (car diff-2)) 1) (car diff-2))))
1470 (setq delete-list (cadr diff))
1471 (if (or (equal diff '(nil nil))
1473 (and (eq (length (car diff)) 0)
1474 (eq (length (cadr diff)) 0)))
1476 (elmo-folder-update-number folder)
1477 (elmo-folder-process-crosspost folder)
1481 (elmo-folder-detach-messages folder delete-list))
1483 (elmo-msgdb-out-of-date-messages (elmo-folder-msgdb folder))
1484 (setq new-msgdb (elmo-folder-msgdb-create
1485 folder new-list flag-table))
1487 (if (elmo-folder-persistent-p folder)
1488 (elmo-flag-table-save (elmo-folder-msgdb-path folder)
1490 (setq before-append nil)
1491 (setq crossed (elmo-folder-append-msgdb folder new-msgdb))
1492 ;; process crosspost.
1493 ;; Return a cons cell of (NUMBER-CROSSPOSTS . NEW-FLAG-ALIST).
1494 (elmo-folder-process-crosspost folder))
1498 ;; Resume to the original status.
1499 (if before-append (elmo-folder-set-msgdb-internal folder old-msgdb))
1500 (elmo-folder-set-killed-list-internal folder killed-list)
1503 (luna-define-generic elmo-folder-detach-messages (folder numbers)
1504 "Remove messages with NUMBERS from MSGDB.")
1506 (luna-define-method elmo-folder-detach-messages ((folder elmo-folder)
1508 (elmo-msgdb-delete-messages (elmo-folder-msgdb folder) numbers))
1510 (luna-define-generic elmo-folder-length (folder)
1511 "Return number of messages in the FOLDER.")
1513 (luna-define-method elmo-folder-length ((folder elmo-folder))
1514 (if (elmo-folder-msgdb-internal folder)
1515 (elmo-msgdb-length (elmo-folder-msgdb folder))
1518 (defun elmo-folder-msgdb-load (folder &optional silent)
1520 (message "Loading msgdb for %s..." (elmo-folder-name-internal folder)))
1521 (let ((msgdb (elmo-load-msgdb (elmo-folder-msgdb-path folder))))
1522 (elmo-folder-set-info-max-by-numdb
1524 (elmo-msgdb-list-messages msgdb))
1526 (message "Loading msgdb for %s...done"
1527 (elmo-folder-name-internal folder)))
1530 (defun elmo-msgdb-delete-path (folder)
1531 (let ((path (elmo-folder-msgdb-path folder)))
1532 (if (file-directory-p path)
1533 (elmo-delete-directory path t))))
1535 (defun elmo-msgdb-rename-path (old-folder new-folder)
1536 (let* ((old (directory-file-name (elmo-folder-msgdb-path old-folder)))
1537 (new (directory-file-name (elmo-folder-msgdb-path new-folder)))
1538 (new-dir (directory-file-name (file-name-directory new))))
1539 (if (not (file-directory-p old))
1541 (if (file-exists-p new)
1542 (error "Already exists directory: %s" new)
1543 (if (not (file-exists-p new-dir))
1544 (elmo-make-directory new-dir))
1545 (rename-file old new)))))
1547 (defun elmo-setup-subscribed-newsgroups (groups)
1548 "Setup subscribed newsgroups.
1549 GROUPS is a list of newsgroup name string.
1550 Return a hashtable for newsgroups."
1551 (let ((hashtb (or elmo-newsgroups-hashtb
1552 (setq elmo-newsgroups-hashtb
1553 (elmo-make-hash (length groups))))))
1554 (dolist (group groups)
1555 (or (elmo-get-hash-val group hashtb)
1556 (elmo-set-hash-val group nil hashtb)))
1557 (setq elmo-newsgroups-hashtb hashtb)))
1559 (defvar elmo-crosspost-message-alist-modified nil)
1560 (defun elmo-crosspost-message-alist-load ()
1561 "Load crosspost message alist."
1562 (setq elmo-crosspost-message-alist (elmo-crosspost-alist-load))
1563 (setq elmo-crosspost-message-alist-modified nil))
1565 (defun elmo-crosspost-message-alist-save ()
1566 "Save crosspost message alist."
1567 (when elmo-crosspost-message-alist-modified
1568 (let ((alist elmo-crosspost-message-alist)
1574 (not (intern-soft x elmo-newsgroups-hashtb)))
1575 (nth 1 (car alist))))
1577 (setcar (cdar alist) newsgroups)
1578 (setq elmo-crosspost-message-alist
1579 (delete (car alist) elmo-crosspost-message-alist)))
1580 (setq alist (cdr alist)))
1581 (elmo-crosspost-alist-save elmo-crosspost-message-alist)
1582 (setq elmo-crosspost-message-alist-modified nil))))
1584 (defun elmo-folder-make-temporary-directory (folder)
1585 ;; Make a temporary directory for FOLDER.
1586 (let ((temp-dir (make-temp-name
1588 (file-name-as-directory (elmo-folder-msgdb-path folder))
1590 (elmo-make-directory temp-dir)
1594 "Initialize ELMO module."
1595 (elmo-crosspost-message-alist-load)
1596 (elmo-resque-obsolete-variables)
1597 (elmo-global-flag-initialize)
1598 (elmo-dop-queue-load))
1601 "Quit and cleanup ELMO."
1602 (elmo-crosspost-message-alist-save)
1603 (elmo-dop-queue-save)
1604 ;; Not implemented yet.
1605 (let ((types elmo-folder-type-alist)
1610 (intern (format "elmo-%s-folder"
1611 (symbol-name (cdr (car types)))))))
1612 ;; Call all folder's `elmo-quit' method.
1614 (dolist (func (luna-class-find-functions class 'elmo-quit))
1615 (funcall func nil)))
1616 (setq types (cdr types)))))
1618 (luna-define-method elmo-folder-rename-internal ((folder elmo-folder)
1620 (error "Cannot rename %s folder"
1621 (symbol-name (elmo-folder-type-internal folder))))
1624 (elmo-define-folder ?% 'imap4)
1625 (elmo-define-folder ?- 'nntp)
1626 (elmo-define-folder ?\+ 'localdir)
1627 (elmo-define-folder ?\* 'multi)
1628 (elmo-define-folder ?\/ 'filter)
1629 (elmo-define-folder ?\$ 'archive)
1630 (elmo-define-folder ?& 'pop3)
1631 (elmo-define-folder ?= 'localnews)
1632 (elmo-define-folder ?| 'pipe)
1633 (elmo-define-folder ?. 'maildir)
1634 (elmo-define-folder ?' 'internal)
1635 (elmo-define-folder ?\[ 'nmz)
1636 (elmo-define-folder ?@ 'shimbun)
1638 ;;; Obsolete variables.
1639 (elmo-define-obsolete-variable 'elmo-default-imap4-mailbox
1640 'elmo-imap4-default-mailbox)
1641 (elmo-define-obsolete-variable 'elmo-default-imap4-server
1642 'elmo-imap4-default-server)
1643 (elmo-define-obsolete-variable 'elmo-default-imap4-authenticate-type
1644 'elmo-imap4-default-authenticate-type)
1645 (elmo-define-obsolete-variable 'elmo-default-imap4-user
1646 'elmo-imap4-default-user)
1647 (elmo-define-obsolete-variable 'elmo-default-imap4-port
1648 'elmo-imap4-default-port)
1649 (elmo-define-obsolete-variable 'elmo-default-imap4-stream-type
1650 'elmo-imap4-default-stream-type)
1651 (elmo-define-obsolete-variable 'elmo-default-nntp-server
1652 'elmo-nntp-default-server)
1653 (elmo-define-obsolete-variable 'elmo-default-nntp-user
1654 'elmo-nntp-default-user)
1655 (elmo-define-obsolete-variable 'elmo-default-nntp-port
1656 'elmo-nntp-default-port)
1657 (elmo-define-obsolete-variable 'elmo-default-nntp-stream-type
1658 'elmo-nntp-default-stream-type)
1659 (elmo-define-obsolete-variable 'elmo-default-pop3-server
1660 'elmo-pop3-default-server)
1661 (elmo-define-obsolete-variable 'elmo-default-pop3-user
1662 'elmo-pop3-default-user)
1663 (elmo-define-obsolete-variable 'elmo-default-pop3-authenticate-type
1664 'elmo-pop3-default-authenticate-type)
1665 (elmo-define-obsolete-variable 'elmo-default-pop3-port
1666 'elmo-pop3-default-port)
1667 (elmo-define-obsolete-variable 'elmo-default-pop3-stream-type
1668 'elmo-pop3-default-stream-type)
1669 (elmo-define-obsolete-variable 'elmo-cache-dirname
1670 'elmo-cache-directory)
1671 (elmo-define-obsolete-variable 'elmo-msgdb-dir
1672 'elmo-msgdb-directory)
1674 ;; Obsolete functions.
1675 ;; 2001-12-11: *-dir -> *-directory
1676 (defalias 'elmo-folder-make-temp-dir 'elmo-folder-make-temporary-directory)
1677 (make-obsolete 'elmo-folder-make-temp-dir
1678 'elmo-folder-make-temporary-directory)
1681 (product-provide (provide 'elmo) (require 'elmo-version))
1683 ;;; elmo.el ends here