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)
82 (defun elmo-define-folder (prefix backend)
84 If a folder name begins with PREFIX, use BACKEND."
85 (let ((pair (assq prefix elmo-folder-type-alist)))
89 (setcdr pair backend))
90 (setq elmo-folder-type-alist (cons (cons prefix backend)
91 elmo-folder-type-alist)))))
93 (defmacro elmo-folder-type (name)
94 "Get folder type from NAME string."
95 (` (and (stringp (, name))
96 (cdr (assoc (string-to-char (, name)) elmo-folder-type-alist)))))
99 ;; A elmo folder provides uniformed (orchestrated) access
100 ;; to the internet messages.
102 (luna-define-class elmo-folder () (type ; folder type symbol.
103 name ; orignal folder name string.
104 prefix ; prefix for folder name
105 path ; directory path for msgdb.
106 msgdb ; msgdb (may be nil).
107 killed-list ; killed list.
108 persistent ; non-nil if persistent.
109 message-modified ; message is modified.
110 mark-modified ; mark is modified.
111 process-duplicates ; read or hide
112 biff ; folder for biff
114 (luna-define-internal-accessors 'elmo-folder))
116 (luna-define-generic elmo-folder-initialize (folder name)
117 ;; Initialize a FOLDER structure with NAME."
120 (defmacro elmo-folder-send (folder message &rest args)
121 "Let FOLDER receive the MESSAGE with ARGS."
122 (` (luna-send (, folder) (, message) (, folder) (,@ args))))
125 (defun elmo-make-folder (name &optional non-persistent)
126 "Make an ELMO folder structure specified by NAME.
127 If optional argument NON-PERSISTENT is non-nil, the folder msgdb is not saved."
128 (let ((type (elmo-folder-type name))
129 prefix split class folder original)
130 (setq original (elmo-string name))
133 (setq prefix (substring name 0 1))
134 (setq name (substring name 1)))
135 (setq type (intern (car (setq split (split-string name ":")))))
136 (if (> (length split) 2)
137 (setq name (substring name (+ 1 (length (car split)))))
138 (error "Error in folder name `%s'" original))
139 (setq prefix (concat (car split) ":")))
140 (setq class (format "elmo-%s" (symbol-name type)))
141 (require (intern class))
142 (setq folder (luna-make-entity (intern (concat class "-folder"))
146 :persistent (not non-persistent)))
148 (elmo-folder-send folder 'elmo-folder-initialize name))))
150 (luna-define-generic elmo-folder-msgdb (folder)
151 "Return the msgdb of FOLDER (on-demand loading).")
153 (luna-define-method elmo-folder-msgdb ((folder elmo-folder))
154 (or (elmo-folder-msgdb-internal folder)
155 (elmo-folder-set-msgdb-internal folder
156 (elmo-msgdb-load folder))))
158 (luna-define-generic elmo-folder-open (folder &optional load-msgdb)
159 "Open and setup (load saved status) FOLDER.
160 If optional LOAD-MSGDB is non-nil, msgdb is loaded.
161 (otherwise, msgdb is loaded on-demand)")
163 (luna-define-generic elmo-folder-open-internal (folder)
164 "Open FOLDER (without loading saved folder status).")
166 (luna-define-generic elmo-folder-check (folder)
167 "Check the FOLDER to obtain newest information at the next list operation.")
169 (luna-define-generic elmo-folder-clear (folder &optional keep-killed)
170 "Clear FOLDER to the initial state.
171 If optional KEEP-KILLED is non-nil, killed-list is not cleared.")
173 (luna-define-generic elmo-folder-commit (folder)
174 "Save current status of FOLDER.")
176 (luna-define-generic elmo-folder-close (folder)
177 "Close, save and clearnup FOLDER.")
179 (luna-define-generic elmo-folder-close-internal (folder)
180 "Close FOLDER (without saving folder status).")
182 (luna-define-generic elmo-folder-plugged-p (folder)
183 "Returns t if FOLDER is plugged.")
185 (luna-define-generic elmo-folder-set-plugged (folder plugged &optional add)
186 "Set FOLDER as plugged.")
188 (luna-define-generic elmo-net-port-info (folder)
189 "Get port information of FOLDER.")
191 (luna-define-generic elmo-folder-use-flag-p (folder)
192 "Returns t if FOLDER treats unread/important flag itself.")
194 (luna-define-generic elmo-folder-diff (folder &optional numbers)
196 If optional NUMBERS is set, it is used as current NUMBERS.
197 Otherwise, saved status for folder is used for comparison.
198 Return value is cons cell or list:
199 - a cons cell (NEWS . MESSAGES)
200 - a list (RECENT UNSEEN MESSAGES) ; RECENT means NEWS, UNSEEN means UNREAD.")
202 (luna-define-generic elmo-folder-status (folder)
203 "Returns a cons cell of (MAX-NUMBER . MESSAGES) in the FOLDER.")
205 (luna-define-generic elmo-folder-reserve-status-p (folder)
206 "If non-nil, the folder should not close folder after `elmo-folder-status'.")
208 (defun elmo-folder-list-messages (folder &optional visible-only in-msgdb)
209 "Return a list of message numbers contained in FOLDER.
210 If optional VISIBLE-ONLY is non-nil, killed messages are not listed.
211 If second optional IN-MSGDB is non-nil, only messages in the msgdb are listed."
212 (let ((list (if in-msgdb
214 (elmo-folder-list-messages-internal folder visible-only))))
215 (elmo-living-messages
221 (elmo-msgdb-get-number-alist (elmo-folder-msgdb folder))))
222 (elmo-folder-killed-list-internal folder))))
224 (luna-define-generic elmo-folder-list-unreads (folder)
225 "Return a list of unread message numbers contained in FOLDER.")
226 (luna-define-generic elmo-folder-list-importants (folder)
227 "Return a list of important message numbers contained in FOLDER.")
228 (luna-define-generic elmo-folder-list-answereds (folder)
229 "Return a list of answered message numbers contained in FOLDER.")
231 ;; TODO: Should reconsider the structure of global mark.
232 (defun elmo-folder-list-messages-with-global-mark (folder mark)
234 (dolist (mark-pair (or elmo-msgdb-global-mark-alist
235 (setq elmo-msgdb-global-mark-alist
238 elmo-msgdb-global-mark-filename
239 elmo-msgdb-directory)))))
240 (if (and (string= mark (cdr mark-pair))
242 (elmo-msgdb-overview-get-entity (car mark-pair)
245 (setq msgs (cons (elmo-msgdb-overview-entity-get-number entity)
249 (luna-define-generic elmo-folder-list-flagged (folder flag &optional in-msgdb)
250 "List messages in the FOLDER with FLAG.
251 FLAG is a symbol which is one of the following:
253 `unread' (unread messages (new messages are included))
254 `answered' (answered or forwarded)
255 `important' (marked as important)
258 `digest' (unread + important)
259 `any' (digest + answered)
261 If optional IN-MSGDB is non-nil, retrieve flag information from msgdb.")
263 (luna-define-method elmo-folder-list-flagged ((folder elmo-folder) flag
265 ;; Currently, only in-msgdb is implemented.
266 (elmo-msgdb-list-flagged (elmo-folder-msgdb folder) flag))
268 (luna-define-method elmo-folder-list-unreads ((folder elmo-folder))
269 (elmo-msgdb-list-flagged (elmo-folder-msgdb folder) 'unread))
271 (luna-define-method elmo-folder-list-importants ((folder elmo-folder))
272 (elmo-msgdb-list-flagged (elmo-folder-msgdb folder) 'important))
274 (luna-define-method elmo-folder-list-answereds ((folder elmo-folder))
275 (elmo-msgdb-list-flagged (elmo-folder-msgdb folder) 'answered))
277 (luna-define-generic elmo-folder-list-messages-internal (folder &optional
279 ;; Return a list of message numbers contained in FOLDER.
280 ;; Return t if the message list is not available.
283 (luna-define-generic elmo-folder-list-subfolders (folder &optional one-level)
284 "Returns a list of subfolders contained in FOLDER.
285 If optional argument ONE-LEVEL is non-nil, only children of FOLDER is returned.
286 \(a folder which have children is returned as a list\)
287 Otherwise, all descendent folders are returned.")
289 (luna-define-generic elmo-folder-have-subfolder-p (folder)
290 "Return non-nil when FOLDER has subfolders.")
292 (luna-define-generic elmo-folder-exists-p (folder)
293 "Returns non-nil when FOLDER exists.")
295 (luna-define-generic elmo-folder-creatable-p (folder)
296 "Returns non-nil when FOLDER is creatable.")
298 (luna-define-generic elmo-folder-writable-p (folder)
299 "Returns non-nil when FOLDER is writable.")
301 (luna-define-generic elmo-folder-persistent-p (folder)
302 "Return non-nil when FOLDER is persistent.")
304 (luna-define-generic elmo-folder-create (folder)
307 (luna-define-generic elmo-message-deletable-p (folder number)
308 "Returns non-nil when the message in the FOLDER with NUMBER is deletable.")
310 (luna-define-generic elmo-folder-delete (folder)
311 "Delete FOLDER completely.")
313 (luna-define-generic elmo-folder-rename (folder new-name)
314 "Rename FOLDER to NEW-NAME (string).")
316 (luna-define-generic elmo-folder-delete-messages (folder numbers)
318 FOLDER is the ELMO folder structure.
319 NUMBERS is a list of message numbers to be deleted.")
321 (luna-define-generic elmo-folder-search (folder condition &optional numbers)
322 "Search and return list of message numbers.
323 FOLDER is the ELMO folder structure.
324 CONDITION is a condition structure for searching.
325 If optional argument NUMBERS is specified and is a list of message numbers,
326 messages are searched from the list.")
328 (luna-define-generic elmo-message-match-condition (folder number
331 "Return non-nil when the message in the FOLDER with NUMBER is matched.
332 CONDITION is a condition structure for testing.
333 NUMBERS is a list of message numbers,
334 use to be test for \"last\" and \"first\" predicates.")
336 (luna-define-generic elmo-folder-msgdb-create (folder numbers id-mark-table)
337 "Create a message database (implemented in each backends).
338 FOLDER is the ELMO folder structure.
339 NUMBERS is a list of message numbers to create msgdb.
340 ID-MARK-TABLE is a hashtable of message-id and its status mark.")
342 (luna-define-generic elmo-folder-unmark-important (folder numbers)
343 "Un-mark messages as important.
344 FOLDER is the ELMO folder structure.
345 NUMBERS is a list of message numbers to be processed.")
347 (luna-define-generic elmo-folder-mark-as-important (folder numbers)
348 "Mark messages as important.
349 FOLDER is the ELMO folder structure.
350 NUMBERS is a list of message numbers to be processed.")
352 (luna-define-generic elmo-folder-unmark-read (folder numbers
353 &optional ignore-flags)
354 "Un-mark messages as read.
355 FOLDER is the ELMO folder structure.
356 NUMBERS is a list of message numbers to be processed.
357 If IGNORE-FLAGS is non-nil, folder flags are not updated.")
359 (luna-define-generic elmo-folder-mark-as-read (folder numbers
360 &optional ignore-flags)
361 "Mark messages as read.
362 FOLDER is the ELMO folder structure.
363 NUMBERS is a list of message numbers to be processed.
364 If IGNORE-FLAGS is non-nil, folder flags are not updated.")
366 (luna-define-generic elmo-folder-unmark-answered (folder numbers)
367 "Un-mark messages as answered.
368 FOLDER is the ELMO folder structure.
369 NUMBERS is a list of message numbers to be processed.")
371 (luna-define-generic elmo-folder-mark-as-answered (folder numbers)
372 "Mark messages as answered.
373 FOLDER is the ELMO folder structure.
374 NUMBERS is a list of message numbers to be processed.")
376 (luna-define-generic elmo-folder-append-buffer (folder unread &optional number)
377 "Append current buffer as a new message.
378 FOLDER is the destination folder(ELMO folder structure).
379 If UNREAD is non-nil, message is appended as unread.
380 If optional argument NUMBER is specified, the new message number is set
383 (luna-define-generic elmo-folder-append-messages (folder
388 "Append messages from folder.
389 FOLDER is the ELMO folder structure.
390 Caller should make sure FOLDER is `writable'.
391 (Can be checked with `elmo-folder-writable-p').
392 SRC-FOLDER is the source ELMO folder structure.
393 NUMBERS is the message numbers to be appended in the SRC-FOLDER.
394 If second optional argument SAME-NUMBER is specified,
395 message number is preserved (if possible).")
397 (luna-define-generic elmo-folder-pack-numbers (folder)
398 "Pack message numbers of FOLDER.")
400 (luna-define-generic elmo-folder-update-number (folder)
401 "Update number of FOLDER.")
403 (luna-define-generic elmo-folder-diff-async (folder)
404 "Get diff of FOLDER asynchronously.")
406 (luna-define-generic elmo-folder-expand-msgdb-path (folder)
407 "Expand path for FOLDER.")
409 (luna-define-generic elmo-folder-get-primitive-list (folder)
410 "Get primitive folder structure list contained in FOLDER.")
412 (luna-define-generic elmo-folder-contains-type (folder type)
413 "Returns t if FOLDER contains TYPE.")
415 (luna-define-generic elmo-folder-local-p (folder)
416 "Returns t if FOLDER is local.")
418 (luna-define-generic elmo-folder-message-file-p (folder)
419 "Returns t if all messages in the FOLDER are files.")
422 (luna-define-generic elmo-message-use-cache-p (folder number)
423 "Returns t if the message in the FOLDER with NUMBER uses cache.")
425 (luna-define-generic elmo-message-file-name (folder number)
426 "Return the file name of a message specified by FOLDER and NUMBER.")
430 ;;; Use original file
431 (luna-define-generic elmo-folder-message-file-number-p (folder)
432 "Return t if the file name in the FOLDER is the message number.")
434 (luna-define-generic elmo-folder-message-file-directory (folder)
435 "Return the directory of the message files of FOLDER.")
437 ;;; Use temporary file
438 (luna-define-generic elmo-folder-message-make-temp-file-p (folder)
439 "Return t if the messages in the FOLDER makes local temporary file.")
441 (luna-define-generic elmo-folder-message-make-temp-files (folder
445 "Make a new temporary files from the messages in the FOLDER with NUMBERS.
446 If START-NUMBER is specified, temporary files begin from the number.
447 Otherwise, same number is used for temporary files.
448 Return newly created temporary directory name which contains temporary files.")
450 (luna-define-generic elmo-message-file-p (folder number)
451 "Return t if message in the FOLDER with NUMBER is a file.")
453 (luna-define-generic elmo-find-fetch-strategy
454 (folder entity &optional ignore-cache)
455 ;; Returns the message fetching strategy suitable for the message.
456 ;; FOLDER is the ELMO folder structure.
457 ;; ENTITY is the overview entity of the message in the folder.
458 ;; If optional argument IGNORE-CACHE is non-nil, cache is ignored.
459 ;; Returned value is a elmo-fetch-strategy object.
460 ;; If return value is nil, message should not be nil.
463 (defmacro elmo-make-fetch-strategy (entireness
468 ;; Make elmo-message-fetching strategy.
469 ;; ENTIRENESS is 'entire or 'section.
470 ;; 'entire means fetch message entirely at once.
471 ;; 'section means fetch message section by section.
472 ;; If optional USE-CACHE is non-nil, existing cache is used and otherwise,
473 ;; existing cache is thrown away.
474 ;; If SAVE-CACHE is non-nil, fetched message is saved.
475 ;; CACHE-PATH is the cache path to be used as a message cache file.
476 (` (vector (, entireness)
477 (, use-cache) (, save-cache) (, cache-path))))
479 (defmacro elmo-fetch-strategy-entireness (strategy)
480 ;; Return entireness of STRATEGY.
481 (` (aref (, strategy) 0)))
483 (defmacro elmo-fetch-strategy-use-cache (strategy)
484 ;; Return use-cache of STRATEGY.
485 (` (aref (, strategy) 1)))
487 (defmacro elmo-fetch-strategy-save-cache (strategy)
488 ;; Return save-cache of STRATEGY.
489 (` (aref (, strategy) 2)))
491 (defmacro elmo-fetch-strategy-cache-path (strategy)
492 ;; Return cache-path of STRATEGY.
493 (` (aref (, strategy) 3)))
495 (luna-define-method elmo-find-fetch-strategy
496 ((folder elmo-folder) entity &optional ignore-cache)
497 (let (cache-file size message-id number)
498 (setq size (elmo-msgdb-overview-entity-get-size entity))
499 (setq message-id (elmo-msgdb-overview-entity-get-id entity))
500 (setq number (elmo-msgdb-overview-entity-get-number entity))
501 (setq cache-file (elmo-file-cache-get message-id))
502 (setq ignore-cache (or ignore-cache
503 (null (elmo-message-use-cache-p folder number))))
505 (null (elmo-file-cache-status cache-file)))
506 ;; No cache or ignore-cache.
507 (if (and (not (elmo-folder-local-p folder))
508 elmo-message-fetch-threshold
510 (>= size elmo-message-fetch-threshold)
511 (or (not elmo-message-fetch-confirm)
512 (not (prog1 (y-or-n-p
513 (format "Fetch entire message(%dbytes)? "
516 ;; Don't fetch message at all.
518 ;; Don't use existing cache and fetch entire message at once.
519 (elmo-make-fetch-strategy
521 (elmo-message-use-cache-p folder number)
522 (elmo-file-cache-path cache-file)))
524 (if (not ignore-cache)
525 (elmo-make-fetch-strategy
527 ;; ...But ignore current section cache and re-fetch
529 (not (eq (elmo-file-cache-status cache-file) 'section))
531 (elmo-message-use-cache-p folder number)
532 (elmo-file-cache-path cache-file))))))
534 (luna-define-method elmo-folder-list-messages-internal
535 ((folder elmo-folder) &optional visible-only)
538 (defun elmo-folder-encache (folder numbers &optional unread)
539 "Encache messages in the FOLDER with NUMBERS.
540 If UNREAD is non-nil, messages are not marked as read."
541 (dolist (number numbers)
542 (elmo-message-encache folder number unread)))
544 (luna-define-generic elmo-message-encache (folder number &optional read)
545 "Encache message in the FOLDER with NUMBER.
546 If READ is non-nil, message is marked as read.")
548 (luna-define-method elmo-message-encache ((folder elmo-folder) number
552 (elmo-make-fetch-strategy 'entire
555 (elmo-file-cache-get-path
557 folder number 'message-id)))
560 (luna-define-generic elmo-message-fetch (folder number strategy
565 "Fetch a message and return as a string.
566 FOLDER is the ELMO folder structure.
567 NUMBER is the number of the message in the FOLDER.
568 STRATEGY is the message fetching strategy.
569 If optional argument SECTION is specified, only the SECTION of the message
570 is fetched (if possible).
571 If second optional argument OUTBUF is specified, fetched message is
572 inserted to the buffer and returns t if fetch was ended successfully.
573 If third optional argument UNREAD is non-nil, message is not marked as read.
574 Returns non-nil if fetching was succeed.")
576 (luna-define-generic elmo-message-fetch-with-cache-process (folder
581 "Fetch a message into current buffer with cache process.
582 FOLDER is the ELMO folder structure.
583 NUMBER is the number of the message in the FOLDER.
584 STRATEGY is the message fetching strategy.
585 If optional argument SECTION is specified, only the SECTION of the message
586 is fetched (if possible).
587 If second optional argument UNREAD is non-nil, message is not marked as read.
588 Returns non-nil if fetching was succeed.")
590 (luna-define-generic elmo-message-fetch-internal (folder number strategy
594 "Fetch a message into current buffer.
595 FOLDER is the ELMO folder structure.
596 NUMBER is the number of the message in the FOLDER.
597 STRATEGY is the message fetching strategy.
598 If optional argument SECTION is specified, only the SECTION of the message
599 is fetched (if possible).
600 If second optional argument UNREAD is non-nil, message is not marked as read.
601 Returns non-nil if fetching was succeed.")
603 (luna-define-generic elmo-message-fetch-field (folder number field)
604 "Fetch a message field value.
605 FOLDER is the ELMO folder structure.
606 NUMBER is the number of the message in the FOLDER.
607 FIELD is a symbol of the field name.")
609 (luna-define-generic elmo-message-folder (folder number)
610 "Get primitive folder of the message.")
612 (luna-define-generic elmo-folder-process-crosspost (folder
615 "Process crosspost for FOLDER.
616 If NUMBER-ALIST is set, it is used as number-alist.
617 Return a cons cell of (NUMBER-CROSSPOSTS . NEW-MARK-ALIST).")
619 (luna-define-generic elmo-folder-append-msgdb (folder append-msgdb)
620 "Append APPEND-MSGDB to the current msgdb of the folder.")
622 (luna-define-generic elmo-folder-newsgroups (folder)
623 "Return list of newsgroup name of FOLDER.")
625 (luna-define-generic elmo-folder-search-requires-msgdb-p (folder condition)
626 "Return non-nil if searching in FOLDER by CONDITION requires msgdb fetch.")
628 (defun elmo-folder-search-requires-msgdb-p-internal (folder condition)
629 (if (listp condition)
630 (or (elmo-folder-search-requires-msgdb-p-internal
631 folder (nth 1 condition))
632 (elmo-folder-search-requires-msgdb-p-internal
633 folder (nth 2 condition)))
634 (and (not (string= (elmo-filter-key condition) "last"))
635 (not (string= (elmo-filter-key condition) "first")))))
637 (luna-define-method elmo-folder-search-requires-msgdb-p ((folder elmo-folder)
639 (elmo-folder-search-requires-msgdb-p-internal folder condition))
641 (luna-define-method elmo-folder-newsgroups ((folder elmo-folder))
644 (luna-define-method elmo-folder-open ((folder elmo-folder)
645 &optional load-msgdb)
646 (elmo-generic-folder-open folder load-msgdb))
648 (defun elmo-generic-folder-open (folder load-msgdb)
649 (let ((inhibit-quit t))
650 (if load-msgdb (elmo-folder-msgdb folder))
651 (elmo-folder-set-killed-list-internal
653 (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder))))
654 (elmo-folder-open-internal folder))
656 (luna-define-method elmo-folder-open-internal ((folder elmo-folder))
657 nil ; default is do nothing.
660 (luna-define-method elmo-folder-check ((folder elmo-folder))
661 nil) ; default is noop.
663 (luna-define-method elmo-folder-commit ((folder elmo-folder))
664 (elmo-generic-folder-commit folder))
666 (defun elmo-generic-folder-commit (folder)
667 (when (elmo-folder-persistent-p folder)
668 (when (elmo-folder-message-modified-internal folder)
669 (elmo-msgdb-overview-save
670 (elmo-folder-msgdb-path folder)
671 (elmo-msgdb-get-overview (elmo-folder-msgdb folder)))
672 (elmo-msgdb-number-save
673 (elmo-folder-msgdb-path folder)
674 (elmo-msgdb-get-number-alist (elmo-folder-msgdb folder)))
675 (elmo-folder-set-info-max-by-numdb
677 (elmo-msgdb-get-number-alist
678 (elmo-folder-msgdb folder)))
679 (elmo-folder-set-message-modified-internal folder nil)
680 (elmo-msgdb-killed-list-save
681 (elmo-folder-msgdb-path folder)
682 (elmo-folder-killed-list-internal folder)))
683 (when (elmo-folder-mark-modified-internal folder)
684 (elmo-msgdb-mark-save
685 (elmo-folder-msgdb-path folder)
686 (elmo-msgdb-get-mark-alist (elmo-folder-msgdb folder)))
687 (elmo-folder-set-mark-modified-internal folder nil))))
689 (luna-define-method elmo-folder-close-internal ((folder elmo-folder))
693 (luna-define-method elmo-folder-close ((folder elmo-folder))
694 (elmo-generic-folder-close folder)
695 (elmo-folder-close-internal folder))
697 (defun elmo-generic-folder-close (folder)
698 (elmo-folder-commit folder)
699 (elmo-folder-set-msgdb-internal folder nil)
700 (elmo-folder-set-killed-list-internal folder nil))
702 (luna-define-method elmo-folder-plugged-p ((folder elmo-folder))
703 t) ; default is plugged.
705 (luna-define-method elmo-folder-set-plugged ((folder elmo-folder) plugged
707 nil) ; default is do nothing.
709 (luna-define-method elmo-folder-use-flag-p ((folder elmo-folder))
710 nil) ; default is no flag.
712 (luna-define-method elmo-folder-persistent-p ((folder elmo-folder))
713 (elmo-folder-persistent-internal folder))
715 (luna-define-method elmo-folder-creatable-p ((folder elmo-folder))
716 nil) ; default is not creatable.
718 (luna-define-method elmo-folder-writable-p ((folder elmo-folder))
719 nil) ; default is not writable.
721 (luna-define-method elmo-folder-delete ((folder elmo-folder))
722 (elmo-msgdb-delete-path folder))
724 (luna-define-method elmo-folder-rename ((folder elmo-folder) new-name)
725 (let* ((new-folder (elmo-make-folder new-name)))
726 (unless (eq (elmo-folder-type-internal folder)
727 (elmo-folder-type-internal new-folder))
728 (error "Not same folder type"))
729 (if (or (file-exists-p (elmo-folder-msgdb-path new-folder))
730 (elmo-folder-exists-p new-folder))
731 (error "Already exists folder: %s" new-name))
732 (elmo-folder-send folder 'elmo-folder-rename-internal new-folder)
733 (elmo-msgdb-rename-path folder new-folder)))
735 (defsubst elmo-folder-search-fast (folder condition numbers)
738 (member (elmo-filter-key condition) '("first" "last" "mark")))
739 (if (string= (elmo-filter-key condition) "flag")
740 (let ((msgdb (elmo-folder-msgdb folder)))
741 ;; msgdb should be synchronized at this point.
743 ((string= (elmo-filter-value condition) "unread")
744 (elmo-folder-list-unreads folder))
745 ((string= (elmo-filter-value condition) "important")
746 (elmo-folder-list-importants folder))
747 ((string= (elmo-filter-value condition) "answered")
748 (elmo-folder-list-answereds folder))
749 ((string= (elmo-filter-value condition) "digest")
750 (nconc (elmo-folder-list-unreads folder)
751 (elmo-folder-list-importants folder)))
752 ((string= (elmo-filter-value condition) "any")
753 (nconc (elmo-folder-list-unreads folder)
754 (elmo-folder-list-importants folder)
755 (elmo-folder-list-answereds folder)))))
756 (let ((len (length numbers))
757 (lastp (string= (elmo-filter-key condition) "last"))
758 (value (string-to-number (elmo-filter-value condition))))
759 (when (eq (elmo-filter-type condition) 'unmatch)
760 (setq lastp (not lastp)
761 value (- len value)))
763 (nthcdr (max (- len value) 0) numbers)
765 (let ((last (nthcdr (1- value) numbers)))
770 (luna-define-method elmo-folder-search ((folder elmo-folder)
773 (let ((numbers (or numbers (elmo-folder-list-messages folder))))
774 (or (elmo-folder-search-fast folder condition numbers)
775 (let ((msgdb (elmo-folder-msgdb folder))
776 (len (length numbers))
778 (when (> len elmo-display-progress-threshold)
779 (elmo-progress-set 'elmo-folder-search len "Searching..."))
781 (dolist (number numbers)
783 (setq result (elmo-msgdb-match-condition
788 (when (elmo-filter-condition-p result)
789 (setq result (elmo-message-match-condition
795 (setq matched (cons number matched))))
796 (elmo-progress-notify 'elmo-folder-search))
797 (elmo-progress-clear 'elmo-folder-search))
798 (nreverse matched)))))
800 (luna-define-method elmo-message-match-condition ((folder elmo-folder)
803 (let ((filename (cond
804 ((elmo-message-file-name folder number))
805 ((let* ((cache (elmo-file-cache-get
806 (elmo-message-field folder number
808 (cache-path (elmo-file-cache-path cache)))
809 (when (and cache-path
810 (not (elmo-cache-path-section-p cache-path)))
813 (file-readable-p filename))
815 (insert-file-contents-as-binary filename)
816 (elmo-set-buffer-multibyte default-enable-multibyte-characters)
817 ;; Should consider charset?
818 (decode-mime-charset-region (point-min) (point-max) elmo-mime-charset)
819 (elmo-buffer-field-condition-match condition number numbers)))))
821 (luna-define-method elmo-folder-pack-numbers ((folder elmo-folder))
822 nil) ; default is noop.
824 (luna-define-method elmo-folder-update-number ((folder elmo-folder))
825 nil) ; default is noop.
827 (luna-define-method elmo-folder-message-file-p ((folder elmo-folder))
828 nil) ; default is not file.
830 (luna-define-method elmo-folder-message-file-number-p ((folder elmo-folder))
831 nil) ; default is not number.
833 (luna-define-method elmo-folder-message-make-temp-file-p ((folder elmo-folder))
834 nil) ; default is not make temp file.
836 (luna-define-method elmo-message-file-name ((folder elmo-folder)
838 nil) ; default is no name.
840 (luna-define-method elmo-folder-local-p ((folder elmo-folder))
841 t) ; default is local.
843 (luna-define-method elmo-folder-have-subfolder-p ((folder elmo-folder))
847 ;; Folder info is a message number information cache (hashtable)
848 (defsubst elmo-folder-get-info (folder &optional hashtb)
849 "Return FOLDER info from HASHTB (default is `elmo-folder-info-hashtb')."
850 (elmo-get-hash-val (elmo-folder-name-internal folder)
851 (or hashtb elmo-folder-info-hashtb)))
853 (defun elmo-folder-set-info-hashtb (folder max numbers &optional new unread)
854 "Set FOLDER info (means MAX, NUMBERS, NEW and UNREAD)."
855 (let ((info (elmo-folder-get-info folder)))
857 (or new (setq new (nth 0 info)))
858 (or unread (setq unread (nth 1 info)))
859 (or numbers (setq numbers (nth 2 info)))
860 (or max (setq max (nth 3 info))))
861 (elmo-set-hash-val (elmo-folder-name-internal folder)
862 (list new unread numbers max)
863 elmo-folder-info-hashtb)))
865 (defun elmo-folder-set-info-max-by-numdb (folder msgdb-number)
866 "Set FOLDER info by MSGDB-NUMBER in msgdb."
867 (let ((num-db (sort (mapcar 'car msgdb-number) '<)))
868 (elmo-folder-set-info-hashtb
870 (or (nth (max 0 (1- (length num-db))) num-db) 0)
871 nil ;;(length num-db)
874 (defun elmo-folder-get-info-max (folder)
875 "Return max number of FODLER from folder info."
876 (nth 3 (elmo-folder-get-info folder)))
878 (defun elmo-folder-get-info-length (folder)
879 "Return length of FODLER from folder info."
880 (nth 2 (elmo-folder-get-info folder)))
882 (defun elmo-folder-get-info-unread (folder)
883 "Return unread of FODLER from folder info."
884 (nth 1 (elmo-folder-get-info folder)))
886 (defun elmo-folder-info-make-hashtb (info-alist hashtb)
887 "Setup folder info hashtable by INFO-ALIST on HASHTB."
888 (let* ((hashtb (or hashtb
889 (elmo-make-hash (length info-alist)))))
892 (let ((info (cadr x)))
893 (and (intern-soft (car x) hashtb)
894 (elmo-set-hash-val (car x)
895 (list (nth 2 info) ;; new
896 (nth 3 info) ;; unread
897 (nth 1 info) ;; length
901 (setq elmo-folder-info-hashtb hashtb)))
903 (defsubst elmo-diff-new (diff)
906 (defsubst elmo-diff-unread (diff)
907 (when (consp (cdr diff))
910 (defsubst elmo-diff-all (diff)
911 (if (consp (cdr diff))
915 (defsubst elmo-strict-folder-diff (folder)
916 "Return folder diff information strictly from FOLDER."
917 (let* ((dir (elmo-folder-msgdb-path folder))
918 (nalist (elmo-msgdb-get-number-alist (elmo-folder-msgdb folder)))
919 (in-db (sort (mapcar 'car nalist) '<))
920 (in-folder (elmo-folder-list-messages folder))
921 append-list delete-list diff)
922 (cons (if (equal in-folder in-db)
924 (setq diff (elmo-list-diff
928 (setq append-list (car diff))
929 (setq delete-list (cadr diff))
933 (- 0 (length delete-list))
935 (length in-folder))))
937 (luna-define-method elmo-folder-diff ((folder elmo-folder)
939 (elmo-generic-folder-diff folder numbers))
941 (defun elmo-generic-folder-diff (folder numbers)
942 (if (elmo-string-match-member (elmo-folder-name-internal folder)
943 elmo-strict-diff-folder-list)
944 (elmo-strict-folder-diff folder)
945 (let ((cached-in-db-max (elmo-folder-get-info-max folder))
946 (in-folder (elmo-folder-status folder))
951 (setq in-db-max (or (nth (max 0 (1- (length numbers))) numbers)
953 (if (not cached-in-db-max)
954 (let ((number-list (mapcar 'car
955 (elmo-msgdb-number-load
956 (elmo-folder-msgdb-path folder)))))
958 (setq in-db (sort number-list '<))
959 (setq in-db-max (or (nth (max 0 (1- (length in-db))) in-db)
961 (elmo-folder-set-info-hashtb folder in-db-max nil))
962 (setq in-db-max cached-in-db-max)))
963 (setq unsync (if (and in-db (car in-folder))
964 (- (car in-folder) in-db-max)
965 (if (and in-folder (null in-db))
968 (setq messages (cdr in-folder))
969 (if (and unsync messages (> unsync messages))
970 (setq unsync messages))
971 (cons (or unsync 0) (or messages 0)))))
973 (defvar elmo-folder-diff-async-callback nil)
974 (defvar elmo-folder-diff-async-callback-data nil)
976 (luna-define-method elmo-folder-diff-async ((folder elmo-folder))
977 (and elmo-folder-diff-async-callback
978 (funcall elmo-folder-diff-async-callback
980 (elmo-folder-diff folder))))
982 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-folder))
985 (luna-define-method elmo-folder-contains-type ((folder elmo-folder) type)
986 (eq (elmo-folder-type-internal folder) type))
988 (luna-define-method elmo-folder-append-messages ((folder elmo-folder)
993 (elmo-generic-folder-append-messages folder src-folder numbers
996 (defun elmo-generic-folder-append-messages (folder src-folder numbers
998 (let (unseen seen-list succeed-numbers failure cache)
1000 (set-buffer-multibyte nil)
1004 (setq cache (elmo-file-cache-get
1005 (elmo-message-field src-folder
1012 src-folder (car numbers)
1013 (if (elmo-folder-plugged-p src-folder)
1014 (elmo-make-fetch-strategy
1016 (and cache (elmo-file-cache-path cache)))
1017 (or (and elmo-enable-disconnected-operation
1019 (eq (elmo-file-cache-status cache) 'entire)
1020 (elmo-make-fetch-strategy
1022 (elmo-file-cache-path cache)))
1023 (error "Unplugged")))
1024 nil (current-buffer)
1027 (elmo-folder-append-buffer
1029 (setq unseen (member (elmo-message-mark
1030 src-folder (car numbers))
1031 (elmo-msgdb-unread-marks)))
1032 (if same-number (car numbers))))))
1033 (error (setq failure t)))
1034 ;; FETCH & APPEND finished
1037 (setq seen-list (cons (elmo-message-field
1038 src-folder (car numbers)
1041 (setq succeed-numbers (cons (car numbers) succeed-numbers)))
1042 (elmo-progress-notify 'elmo-folder-move-messages)
1043 (setq numbers (cdr numbers)))
1044 (if (and seen-list (elmo-folder-persistent-p folder))
1045 (elmo-msgdb-seen-save (elmo-folder-msgdb-path folder)
1046 (nconc (elmo-msgdb-seen-load
1047 (elmo-folder-msgdb-path folder))
1051 ;; Arguments should be reduced.
1052 (defun elmo-folder-move-messages (src-folder msgs dst-folder
1059 (let* ((messages msgs)
1060 (elmo-inhibit-display-retrieval-progress t)
1063 (if (eq dst-folder 'null)
1064 (setq succeeds messages)
1065 (unless (elmo-folder-writable-p dst-folder)
1066 (error "move: %d is not writable"
1067 (elmo-folder-name-internal dst-folder)))
1069 ;; src is already opened.
1070 (elmo-folder-open-internal dst-folder)
1071 (unless (setq succeeds (elmo-folder-append-messages dst-folder
1075 (error "move: append message to %s failed"
1076 (elmo-folder-name-internal dst-folder)))
1077 (elmo-folder-close dst-folder))
1078 (when (and (elmo-folder-persistent-p dst-folder)
1080 ;; Save to seen list.
1081 (let* ((dir (elmo-folder-msgdb-path dst-folder))
1082 (seen-list (elmo-msgdb-seen-load dir)))
1084 (elmo-msgdb-add-msgs-to-seen-list
1085 msgs (elmo-folder-msgdb src-folder)
1087 (elmo-msgdb-seen-save dir seen-list))))
1088 (if (and (not no-delete) succeeds)
1090 (if (not no-delete-info)
1091 (message "Cleaning up src folder..."))
1092 (if (and (elmo-folder-delete-messages src-folder succeeds)
1093 (elmo-msgdb-delete-msgs
1094 (elmo-folder-msgdb src-folder) succeeds))
1096 (message "move: delete messages from %s failed."
1097 (elmo-folder-name-internal src-folder))
1100 (not no-delete-info))
1101 (message "Cleaning up src folder...done"))
1105 (message "Copying messages...done")
1108 (message "No message was moved.")
1109 (message "Moving messages failed.")
1113 (defun elmo-folder-msgdb-path (folder)
1114 "Return the msgdb path for FOLDER."
1115 (or (elmo-folder-path-internal folder)
1116 (elmo-folder-set-path-internal
1118 (elmo-folder-expand-msgdb-path folder))))
1120 (defun elmo-message-accessible-p (folder number)
1121 "Get accessibility of the message.
1122 Return non-nil when message is accessible."
1123 (or (elmo-folder-plugged-p folder)
1124 (elmo-folder-local-p folder)
1125 (elmo-msgdb-get-cached (elmo-folder-msgdb folder) number)))
1127 (defun elmo-message-set-cached (folder number cached)
1128 "Set cache status of the message in the msgdb.
1129 FOLDER is the ELMO folder structure.
1130 NUMBER is a number of the message.
1131 If CACHED is t, message is set as cached."
1132 (when (elmo-msgdb-set-cached (elmo-folder-msgdb folder)
1135 (elmo-message-use-cache-p folder number))
1136 (elmo-folder-set-mark-modified-internal folder t)))
1138 (defun elmo-message-set-flag (folder number flag)
1140 FOLDER is a ELMO folder structure.
1141 NUMBER is a message number to set flag.
1143 FLAG is a symbol which is one of the following:
1144 `unread' (set the message as unread)
1145 `answered' (set the message as answered)
1146 `important' (set the message as important)
1148 `read' (remove new and unread flags)")
1150 (defun elmo-message-unset-flag (folder number flag)
1151 "Unset message flag.
1152 FOLDER is a ELMO folder structure.
1153 NUMBER is a message number to set flag.
1155 FLAG is a symbol which is one of the following:
1156 `unread' (remove unread and new flag)
1157 `answered' (remove answered flag)
1158 `important' (remove important flag)
1160 `read' (set unread flag)")
1162 (defun elmo-message-mark (folder number)
1163 "Get mark of the message.
1164 FOLDER is the ELMO folder structure.
1165 NUMBER is a number of the message."
1166 (elmo-msgdb-get-mark (elmo-folder-msgdb folder) number))
1168 (defun elmo-message-field (folder number field)
1169 "Get message field value in the msgdb.
1170 FOLDER is the ELMO folder structure.
1171 NUMBER is a number of the message.
1172 FIELD is a symbol of the field."
1173 (elmo-msgdb-get-field (elmo-folder-msgdb folder) number field))
1175 (defun elmo-message-set-mark (folder number mark)
1176 ;; Set mark for the message in the FOLDER with NUMBER as MARK.
1177 (elmo-msgdb-set-mark
1178 (elmo-folder-msgdb folder)
1181 (luna-define-method elmo-message-use-cache-p ((folder elmo-folder) number)
1182 nil) ; default is not use cache.
1184 (luna-define-method elmo-message-folder ((folder elmo-folder) number)
1185 folder) ; default is folder
1187 (luna-define-method elmo-folder-unmark-important ((folder elmo-folder)
1189 (when (elmo-folder-msgdb-internal folder)
1190 (dolist (number numbers)
1191 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1196 (luna-define-method elmo-folder-mark-as-important ((folder elmo-folder)
1198 (when (elmo-folder-msgdb-internal folder)
1199 (dolist (number numbers)
1200 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1205 (luna-define-method elmo-folder-unmark-read ((folder elmo-folder)
1207 &optional ignore-flags)
1208 (when (elmo-folder-msgdb-internal folder)
1209 (dolist (number numbers)
1210 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1215 (luna-define-method elmo-folder-mark-as-read ((folder elmo-folder)
1217 &optional ignore-flag)
1218 (when (elmo-folder-msgdb-internal folder)
1219 (dolist (number numbers)
1220 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1225 (luna-define-method elmo-folder-unmark-answered ((folder elmo-folder) numbers)
1226 (when (elmo-folder-msgdb-internal folder)
1227 (dolist (number numbers)
1228 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1233 (luna-define-method elmo-folder-mark-as-answered ((folder elmo-folder) numbers)
1234 (when (elmo-folder-msgdb-internal folder)
1235 (dolist (number numbers)
1236 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1241 (luna-define-method elmo-folder-process-crosspost ((folder elmo-folder)
1247 (defun elmo-generic-folder-append-msgdb (folder append-msgdb)
1249 (let* ((number-alist (elmo-msgdb-get-number-alist append-msgdb))
1250 (all-alist (copy-sequence (append
1251 (elmo-msgdb-get-number-alist
1252 (elmo-folder-msgdb folder))
1258 (elmo-folder-set-msgdb-internal folder
1260 (elmo-folder-msgdb folder)
1263 (setq all-alist (delq (car cur) all-alist))
1264 ;; same message id exists.
1265 (if (setq pair (rassoc (cdr (car cur)) all-alist))
1266 (setq to-be-deleted (nconc to-be-deleted (list (car pair)))))
1267 (setq cur (cdr cur)))
1268 (cond ((eq (elmo-folder-process-duplicates-internal folder)
1271 (setq overview (elmo-delete-if
1273 (memq (elmo-msgdb-overview-entity-get-number
1276 (elmo-msgdb-get-overview append-msgdb)))
1277 ;; Should be mark as read.
1278 (elmo-folder-mark-as-read folder to-be-deleted)
1279 (elmo-msgdb-set-overview append-msgdb overview))
1280 ((eq (elmo-folder-process-duplicates-internal folder)
1282 ;; Mark as read duplicates.
1283 (elmo-folder-mark-as-read folder to-be-deleted))
1286 (setq to-be-deleted nil)))
1287 (length to-be-deleted))
1290 (luna-define-method elmo-folder-append-msgdb ((folder elmo-folder)
1292 (elmo-generic-folder-append-msgdb folder append-msgdb))
1294 (defun elmo-folder-confirm-appends (appends)
1295 (let ((len (length appends))
1297 (if (and elmo-folder-update-threshold
1298 (> len elmo-folder-update-threshold)
1299 elmo-folder-update-confirm)
1300 (if (y-or-n-p (format "Too many messages(%d). Update all? " len))
1302 (setq in elmo-folder-update-threshold)
1305 (setq in (read-from-minibuffer "Update number: "
1307 in (string-to-int in))
1310 (if (y-or-n-p (format "%d messages are not appeared. OK? "
1311 (max (- len in) 0)))
1313 (nthcdr (max (- len in) 0) appends))
1314 (if (and elmo-folder-update-threshold
1315 (> len elmo-folder-update-threshold)
1316 (not elmo-folder-update-confirm))
1317 (nthcdr (max (- len elmo-folder-update-threshold) 0) appends)
1320 (luna-define-method elmo-message-fetch ((folder elmo-folder)
1327 (with-current-buffer outbuf
1329 (elmo-message-fetch-with-cache-process folder number
1330 strategy section unread))
1332 (elmo-message-fetch-with-cache-process folder number
1333 strategy section unread)
1336 (luna-define-method elmo-message-fetch-with-cache-process ((folder elmo-folder)
1340 (let ((cache-path (elmo-fetch-strategy-cache-path strategy))
1342 (cond ((eq (elmo-fetch-strategy-use-cache strategy) 'maybe)
1344 ((elmo-fetch-strategy-use-cache strategy)
1349 (while (and method-priorities
1352 (case (car method-priorities)
1354 (elmo-file-cache-load cache-path section))
1356 (when (and (condition-case error
1357 (elmo-message-fetch-internal folder number
1361 (error (setq err error) nil))
1362 (> (buffer-size) 0))
1363 (elmo-delete-cr-buffer)
1364 (when (and (elmo-fetch-strategy-save-cache strategy)
1366 (elmo-file-cache-save cache-path section))
1368 method-priorities (cdr method-priorities)))
1370 (and err (signal (car err) (cdr err))))))
1372 (luna-define-method elmo-folder-clear ((folder elmo-folder)
1373 &optional keep-killed)
1375 (elmo-folder-set-killed-list-internal folder nil))
1376 (elmo-folder-set-msgdb-internal folder (elmo-msgdb-clear)))
1378 (defun elmo-folder-synchronize (folder
1379 &optional ignore-msgdb
1381 "Synchronize the folder data to the newest status.
1382 FOLDER is the ELMO folder structure.
1383 If optional IGNORE-MSGDB is non-nil, current msgdb is thrown away except
1384 flag status. If IGNORE-MSGDB is 'visible-only, only visible messages
1385 \(the messages which are not in the killed-list\) are thrown away and
1387 If NO-CHECK is non-nil, rechecking folder is skipped.
1389 Return a list of a cross-posted message number.
1390 If update process is interrupted, return nil."
1391 (let ((killed-list (elmo-folder-killed-list-internal folder))
1393 number-alist mark-alist
1394 old-msgdb diff diff-2 delete-list new-list new-msgdb mark
1395 seen-list crossed after-append)
1396 (setq old-msgdb (elmo-folder-msgdb folder))
1398 (setq seen-list (elmo-msgdb-seen-load (elmo-folder-msgdb-path folder)))
1399 (setq number-alist (elmo-msgdb-get-number-alist
1400 (elmo-folder-msgdb folder)))
1401 (setq mark-alist (elmo-msgdb-get-mark-alist
1402 (elmo-folder-msgdb folder)))
1405 (setq seen-list (nconc (elmo-msgdb-seen-list
1406 (elmo-folder-msgdb folder))
1408 (elmo-folder-clear folder (eq ignore-msgdb 'visible-only))))
1409 (unless no-check (elmo-folder-check folder))
1412 (message "Checking folder diff...")
1413 ;; TODO: killed list is loaded in elmo-folder-open and
1414 ;; list-messages use internal killed-list-folder.
1415 (setq diff (elmo-list-diff (elmo-folder-list-messages
1417 (eq 'visible-only ignore-msgdb))
1418 (unless ignore-msgdb
1423 (message "Checking folder diff...done")
1424 (setq new-list (elmo-folder-confirm-appends (car diff)))
1426 (when (and (not (eq (length (car diff))
1428 (setq diff-2 (elmo-list-diff (car diff) new-list)))
1429 (elmo-msgdb-append-to-killed-list folder (car diff-2)))
1430 (setq delete-list (cadr diff))
1431 (if (or (equal diff '(nil nil))
1433 (and (eq (length (car diff)) 0)
1434 (eq (length (cadr diff)) 0)))
1436 (elmo-folder-update-number folder)
1437 (elmo-folder-process-crosspost folder)
1440 (if delete-list (elmo-msgdb-delete-msgs
1441 (elmo-folder-msgdb folder) delete-list))
1443 (setq new-msgdb (elmo-folder-msgdb-create
1444 folder new-list seen-list))
1445 (elmo-msgdb-change-mark (elmo-folder-msgdb folder)
1447 elmo-msgdb-unread-uncached-mark)
1449 (if (elmo-folder-persistent-p folder)
1450 (setq seen-list (elmo-msgdb-seen-save
1451 (elmo-folder-msgdb-path folder) nil)))
1452 (setq before-append nil)
1453 (setq crossed (elmo-folder-append-msgdb folder new-msgdb))
1454 ;; process crosspost.
1455 ;; Return a cons cell of (NUMBER-CROSSPOSTS . NEW-MARK-ALIST).
1456 (elmo-folder-process-crosspost folder)
1457 (elmo-folder-set-message-modified-internal folder t)
1458 (elmo-folder-set-mark-modified-internal folder t))
1462 ;; Resume to the original status.
1464 (elmo-folder-set-msgdb-internal folder old-msgdb))
1465 (elmo-folder-set-killed-list-internal folder killed-list)
1468 (defun elmo-folder-messages (folder)
1469 "Return number of messages in the FOLDER."
1471 (elmo-msgdb-get-number-alist
1472 (elmo-folder-msgdb folder))))
1474 (defun elmo-msgdb-load (folder &optional silent)
1476 (message "Loading msgdb for %s..." (elmo-folder-name-internal folder)))
1477 (let ((msgdb (elmo-load-msgdb (elmo-folder-msgdb-path folder))))
1478 (elmo-folder-set-info-max-by-numdb folder
1479 (elmo-msgdb-get-number-alist msgdb))
1482 (message "Loading msgdb for %s...done"
1483 (elmo-folder-name-internal folder)))
1486 (defun elmo-msgdb-delete-path (folder)
1487 (let ((path (elmo-folder-msgdb-path folder)))
1488 (if (file-directory-p path)
1489 (elmo-delete-directory path t))))
1491 (defun elmo-msgdb-rename-path (old-folder new-folder)
1492 (let* ((old (directory-file-name (elmo-folder-msgdb-path old-folder)))
1493 (new (directory-file-name (elmo-folder-msgdb-path new-folder)))
1494 (new-dir (directory-file-name (file-name-directory new))))
1495 (if (not (file-directory-p old))
1497 (if (file-exists-p new)
1498 (error "Already exists directory: %s" new)
1499 (if (not (file-exists-p new-dir))
1500 (elmo-make-directory new-dir))
1501 (rename-file old new)))))
1503 (defun elmo-setup-subscribed-newsgroups (groups)
1504 "Setup subscribed newsgroups.
1505 GROUPS is a list of newsgroup name string.
1506 Return a hashtable for newsgroups."
1507 (let ((hashtb (or elmo-newsgroups-hashtb
1508 (setq elmo-newsgroups-hashtb
1509 (elmo-make-hash (length groups))))))
1510 (dolist (group groups)
1511 (or (elmo-get-hash-val group hashtb)
1512 (elmo-set-hash-val group nil hashtb)))
1513 (setq elmo-newsgroups-hashtb hashtb)))
1515 (defvar elmo-crosspost-message-alist-modified nil)
1516 (defun elmo-crosspost-message-alist-load ()
1517 "Load crosspost message alist."
1518 (setq elmo-crosspost-message-alist (elmo-crosspost-alist-load))
1519 (setq elmo-crosspost-message-alist-modified nil))
1521 (defun elmo-crosspost-message-alist-save ()
1522 "Save crosspost message alist."
1523 (when elmo-crosspost-message-alist-modified
1524 (let ((alist elmo-crosspost-message-alist)
1530 (not (intern-soft x elmo-newsgroups-hashtb)))
1531 (nth 1 (car alist))))
1533 (setcar (cdar alist) newsgroups)
1534 (setq elmo-crosspost-message-alist
1535 (delete (car alist) elmo-crosspost-message-alist)))
1536 (setq alist (cdr alist)))
1537 (elmo-crosspost-alist-save elmo-crosspost-message-alist)
1538 (setq elmo-crosspost-message-alist-modified nil))))
1540 (defun elmo-folder-make-temporary-directory (folder)
1541 ;; Make a temporary directory for FOLDER.
1542 (let ((temp-dir (make-temp-name
1544 (file-name-as-directory (elmo-folder-msgdb-path folder))
1546 (elmo-make-directory temp-dir)
1550 "Initialize ELMO module."
1551 (elmo-crosspost-message-alist-load)
1552 (elmo-resque-obsolete-variables)
1553 (elmo-dop-queue-load))
1556 "Quit and cleanup ELMO."
1557 (elmo-crosspost-message-alist-save)
1558 (elmo-dop-queue-save)
1559 ;; Not implemented yet.
1560 (let ((types elmo-folder-type-alist)
1565 (intern (format "elmo-%s-folder" (symbol-name (cdr (car types)))))))
1566 ;; Call all folder's `elmo-quit' method.
1568 (dolist (func (luna-class-find-functions class 'elmo-quit))
1569 (funcall func nil)))
1570 (setq types (cdr types)))))
1574 (elmo-define-folder ?% 'imap4)
1575 (elmo-define-folder ?- 'nntp)
1576 (elmo-define-folder ?\+ 'localdir)
1577 (elmo-define-folder ?\* 'multi)
1578 (elmo-define-folder ?\/ 'filter)
1579 (elmo-define-folder ?\$ 'archive)
1580 (elmo-define-folder ?& 'pop3)
1581 (elmo-define-folder ?= 'localnews)
1582 (elmo-define-folder ?| 'pipe)
1583 (elmo-define-folder ?. 'maildir)
1584 (elmo-define-folder ?' 'internal)
1585 (elmo-define-folder ?\[ 'nmz)
1586 (elmo-define-folder ?@ 'shimbun)
1588 ;;; Obsolete variables.
1589 (elmo-define-obsolete-variable 'elmo-default-imap4-mailbox
1590 'elmo-imap4-default-mailbox)
1591 (elmo-define-obsolete-variable 'elmo-default-imap4-server
1592 'elmo-imap4-default-server)
1593 (elmo-define-obsolete-variable 'elmo-default-imap4-authenticate-type
1594 'elmo-imap4-default-authenticate-type)
1595 (elmo-define-obsolete-variable 'elmo-default-imap4-user
1596 'elmo-imap4-default-user)
1597 (elmo-define-obsolete-variable 'elmo-default-imap4-port
1598 'elmo-imap4-default-port)
1599 (elmo-define-obsolete-variable 'elmo-default-imap4-stream-type
1600 'elmo-imap4-default-stream-type)
1601 (elmo-define-obsolete-variable 'elmo-default-nntp-server
1602 'elmo-nntp-default-server)
1603 (elmo-define-obsolete-variable 'elmo-default-nntp-user
1604 'elmo-nntp-default-user)
1605 (elmo-define-obsolete-variable 'elmo-default-nntp-port
1606 'elmo-nntp-default-port)
1607 (elmo-define-obsolete-variable 'elmo-default-nntp-stream-type
1608 'elmo-nntp-default-stream-type)
1609 (elmo-define-obsolete-variable 'elmo-default-pop3-server
1610 'elmo-pop3-default-server)
1611 (elmo-define-obsolete-variable 'elmo-default-pop3-user
1612 'elmo-pop3-default-user)
1613 (elmo-define-obsolete-variable 'elmo-default-pop3-authenticate-type
1614 'elmo-pop3-default-authenticate-type)
1615 (elmo-define-obsolete-variable 'elmo-default-pop3-port
1616 'elmo-pop3-default-port)
1617 (elmo-define-obsolete-variable 'elmo-default-pop3-stream-type
1618 'elmo-pop3-default-stream-type)
1619 (elmo-define-obsolete-variable 'elmo-cache-dirname
1620 'elmo-cache-directory)
1621 (elmo-define-obsolete-variable 'elmo-msgdb-dir
1622 'elmo-msgdb-directory)
1624 ;; Obsolete functions.
1625 ;; 2001-12-11: *-dir -> *-directory
1626 (defalias 'elmo-folder-make-temp-dir 'elmo-folder-make-temporary-directory)
1627 (make-obsolete 'elmo-folder-make-temp-dir
1628 'elmo-folder-make-temporary-directory)
1632 (autoload 'elmo-dop-queue-flush "elmo-dop")
1633 (autoload 'elmo-nntp-post "elmo-nntp")
1636 (product-provide (provide 'elmo) (require 'elmo-version))
1638 ;;; elmo.el ends here