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 ;; Note that this function is for internal use only.
151 (luna-define-generic elmo-folder-msgdb (folder)
152 "Return the msgdb of FOLDER (on-demand loading).
153 \(For internal use only.\)")
155 (luna-define-method elmo-folder-msgdb ((folder elmo-folder))
156 (or (elmo-folder-msgdb-internal folder)
157 (elmo-folder-set-msgdb-internal folder
158 (elmo-msgdb-load folder))))
159 (luna-define-generic elmo-folder-open (folder &optional load-msgdb)
160 "Open and setup (load saved status) FOLDER.
161 If optional LOAD-MSGDB is non-nil, msgdb is loaded.
162 \(otherwise, msgdb is loaded on-demand)")
164 (luna-define-generic elmo-folder-open-internal (folder)
165 "Open FOLDER (without loading saved folder status).")
167 (luna-define-generic elmo-folder-check (folder)
168 "Check the FOLDER to obtain newest information at the next list operation.")
170 (luna-define-generic elmo-folder-clear (folder &optional keep-killed)
171 "Clear FOLDER to the initial state.
172 If optional KEEP-KILLED is non-nil, killed-list is not cleared.")
174 (luna-define-generic elmo-folder-commit (folder)
175 "Save current status of FOLDER.")
177 (luna-define-generic elmo-folder-close (folder)
178 "Close, save and clearnup FOLDER.")
180 (luna-define-generic elmo-folder-close-internal (folder)
181 "Close FOLDER (without saving folder status).")
183 (luna-define-generic elmo-folder-plugged-p (folder)
184 "Returns t if FOLDER is plugged.")
186 (luna-define-generic elmo-folder-set-plugged (folder plugged &optional add)
187 "Set FOLDER as plugged.")
189 (luna-define-generic elmo-net-port-info (folder)
190 "Get port information of FOLDER.")
192 (luna-define-generic elmo-folder-use-flag-p (folder)
193 "Returns t if FOLDER treats unread/important flag itself.")
195 (luna-define-generic elmo-folder-diff (folder)
197 Return value is cons cell or list:
198 - a cons cell (new . all)
199 - a list (new unread all)")
201 (luna-define-generic elmo-folder-status (folder)
202 "Returns a cons cell of (MAX-NUMBER . MESSAGES) in the FOLDER.")
204 (luna-define-generic elmo-folder-reserve-status-p (folder)
205 "If non-nil, the folder should not close folder after `elmo-folder-status'.")
207 (luna-define-generic elmo-folder-list-messages (folder &optional visible-only
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 (luna-define-method elmo-folder-list-messages ((folder elmo-folder)
213 &optional visible-only in-msgdb)
214 (let ((list (if in-msgdb
216 (elmo-folder-list-messages-internal folder visible-only))))
217 (elmo-living-messages
221 (elmo-msgdb-list-messages (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-folder-list-flagged folder 'unread))
271 (luna-define-method elmo-folder-list-importants ((folder elmo-folder))
272 (elmo-folder-list-flagged folder 'important))
274 (luna-define-method elmo-folder-list-answereds ((folder elmo-folder))
275 (elmo-folder-list-flagged 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 flag-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 FLAG-TABLE is a hashtable of message-id and flag.")
342 (luna-define-generic elmo-folder-unmark-important (folder
344 &optional ignore-flags)
345 "Un-mark messages as important.
346 FOLDER is the ELMO folder structure.
347 NUMBERS is a list of message numbers to be processed.
348 If IGNORE-FLAGS is non-nil, folder flags are not updated.")
350 (luna-define-generic elmo-folder-mark-as-important (folder
352 &optional ignore-flags)
353 "Mark messages as important.
354 FOLDER is the ELMO folder structure.
355 NUMBERS is a list of message numbers to be processed.
356 If IGNORE-FLAGS is non-nil, folder flags are not updated.")
358 (luna-define-generic elmo-folder-unmark-read (folder numbers
359 &optional ignore-flags)
360 "Un-mark messages as read.
361 FOLDER is the ELMO folder structure.
362 NUMBERS is a list of message numbers to be processed.
363 If IGNORE-FLAGS is non-nil, folder flags are not updated.")
365 (luna-define-generic elmo-folder-mark-as-read (folder numbers
366 &optional ignore-flags)
367 "Mark messages as read.
368 FOLDER is the ELMO folder structure.
369 NUMBERS is a list of message numbers to be processed.
370 If IGNORE-FLAGS is non-nil, folder flags are not updated.")
372 (luna-define-generic elmo-folder-unmark-answered (folder numbers)
373 "Un-mark messages as answered.
374 FOLDER is the ELMO folder structure.
375 NUMBERS is a list of message numbers to be processed.")
377 (luna-define-generic elmo-folder-mark-as-answered (folder numbers)
378 "Mark messages as answered.
379 FOLDER is the ELMO folder structure.
380 NUMBERS is a list of message numbers to be processed.")
382 (luna-define-generic elmo-folder-append-buffer (folder &optional flag
384 "Append current buffer as a new message.
385 FOLDER is the destination folder(ELMO folder structure).
386 FLAG is the status of appended message.
387 If optional argument NUMBER is specified, the new message number is set
390 (luna-define-generic elmo-folder-append-messages (folder
395 "Append messages from folder.
396 FOLDER is the ELMO folder structure.
397 Caller should make sure FOLDER is `writable'.
398 (Can be checked with `elmo-folder-writable-p').
399 SRC-FOLDER is the source ELMO folder structure.
400 NUMBERS is the message numbers to be appended in the SRC-FOLDER.
401 If second optional argument SAME-NUMBER is specified,
402 message number is preserved (if possible).")
404 (luna-define-generic elmo-folder-pack-numbers (folder)
405 "Pack message numbers of FOLDER.")
407 (luna-define-generic elmo-folder-update-number (folder)
408 "Update number of FOLDER.")
410 (luna-define-generic elmo-folder-diff-async (folder)
411 "Get diff of FOLDER asynchronously.")
413 (luna-define-generic elmo-folder-expand-msgdb-path (folder)
414 "Expand path for FOLDER.")
416 (luna-define-generic elmo-folder-get-primitive-list (folder)
417 "Get primitive folder structure list contained in FOLDER.")
419 (luna-define-generic elmo-folder-contains-type (folder type)
420 "Returns t if FOLDER contains TYPE.")
422 (luna-define-generic elmo-folder-local-p (folder)
423 "Returns t if FOLDER is local.")
425 (luna-define-generic elmo-folder-message-file-p (folder)
426 "Returns t if all messages in the FOLDER are files.")
429 (luna-define-generic elmo-message-use-cache-p (folder number)
430 "Returns t if the message in the FOLDER with NUMBER uses cache.")
432 (luna-define-generic elmo-message-file-name (folder number)
433 "Return the file name of a message specified by FOLDER and NUMBER.")
437 ;;; Use original file
438 (luna-define-generic elmo-folder-message-file-number-p (folder)
439 "Return t if the file name in the FOLDER is the message number.")
441 (luna-define-generic elmo-folder-message-file-directory (folder)
442 "Return the directory of the message files of FOLDER.")
444 ;;; Use temporary file
445 (luna-define-generic elmo-folder-message-make-temp-file-p (folder)
446 "Return t if the messages in the FOLDER makes local temporary file.")
448 (luna-define-generic elmo-folder-message-make-temp-files (folder
452 "Make a new temporary files from the messages in the FOLDER with NUMBERS.
453 If START-NUMBER is specified, temporary files begin from the number.
454 Otherwise, same number is used for temporary files.
455 Return newly created temporary directory name which contains temporary files.")
457 (luna-define-generic elmo-message-file-p (folder number)
458 "Return t if message in the FOLDER with NUMBER is a file.")
460 (luna-define-generic elmo-find-fetch-strategy
461 (folder entity &optional ignore-cache)
462 ;; Returns the message fetching strategy suitable for the message.
463 ;; FOLDER is the ELMO folder structure.
464 ;; ENTITY is the overview entity of the message in the folder.
465 ;; If optional argument IGNORE-CACHE is non-nil, cache is ignored.
466 ;; Returned value is a elmo-fetch-strategy object.
467 ;; If return value is nil, message should not be nil.
470 (defmacro elmo-make-fetch-strategy (entireness
475 ;; Make elmo-message-fetching strategy.
476 ;; ENTIRENESS is 'entire or 'section.
477 ;; 'entire means fetch message entirely at once.
478 ;; 'section means fetch message section by section.
479 ;; If optional USE-CACHE is non-nil, existing cache is used and otherwise,
480 ;; existing cache is thrown away.
481 ;; If SAVE-CACHE is non-nil, fetched message is saved.
482 ;; CACHE-PATH is the cache path to be used as a message cache file.
483 (` (vector (, entireness)
484 (, use-cache) (, save-cache) (, cache-path))))
486 (defmacro elmo-fetch-strategy-entireness (strategy)
487 ;; Return entireness of STRATEGY.
488 (` (aref (, strategy) 0)))
490 (defmacro elmo-fetch-strategy-use-cache (strategy)
491 ;; Return use-cache of STRATEGY.
492 (` (aref (, strategy) 1)))
494 (defmacro elmo-fetch-strategy-save-cache (strategy)
495 ;; Return save-cache of STRATEGY.
496 (` (aref (, strategy) 2)))
498 (defmacro elmo-fetch-strategy-cache-path (strategy)
499 ;; Return cache-path of STRATEGY.
500 (` (aref (, strategy) 3)))
502 (luna-define-method elmo-find-fetch-strategy
503 ((folder elmo-folder) entity &optional ignore-cache)
504 (let (cache-file size message-id number)
505 (setq size (elmo-msgdb-overview-entity-get-size entity))
506 (setq message-id (elmo-msgdb-overview-entity-get-id entity))
507 (setq number (elmo-msgdb-overview-entity-get-number entity))
508 (setq cache-file (elmo-file-cache-get message-id))
509 (setq ignore-cache (or ignore-cache
510 (null (elmo-message-use-cache-p folder number))))
512 (null (elmo-file-cache-status cache-file)))
513 ;; No cache or ignore-cache.
514 (if (and (not (elmo-folder-local-p folder))
515 elmo-message-fetch-threshold
517 (>= size elmo-message-fetch-threshold)
518 (or (not elmo-message-fetch-confirm)
519 (not (prog1 (y-or-n-p
520 (format "Fetch entire message(%dbytes)? "
523 ;; Don't fetch message at all.
525 ;; Don't use existing cache and fetch entire message at once.
526 (elmo-make-fetch-strategy
528 (elmo-message-use-cache-p folder number)
529 (elmo-file-cache-path cache-file)))
531 (if (not ignore-cache)
532 (elmo-make-fetch-strategy
534 ;; ...But ignore current section cache and re-fetch
536 (not (eq (elmo-file-cache-status cache-file) 'section))
538 (elmo-message-use-cache-p folder number)
539 (elmo-file-cache-path cache-file))))))
541 (luna-define-method elmo-folder-list-messages-internal
542 ((folder elmo-folder) &optional visible-only)
545 (defun elmo-folder-encache (folder numbers &optional unread)
546 "Encache messages in the FOLDER with NUMBERS.
547 If UNREAD is non-nil, messages are not marked as read."
548 (dolist (number numbers)
549 (elmo-message-encache folder number unread)))
551 (luna-define-generic elmo-message-encache (folder number &optional read)
552 "Encache message in the FOLDER with NUMBER.
553 If READ is non-nil, message is marked as read.")
555 (luna-define-method elmo-message-encache ((folder elmo-folder) number
559 (elmo-make-fetch-strategy 'entire
562 (elmo-file-cache-get-path
564 folder number 'message-id)))
567 (luna-define-generic elmo-message-fetch (folder number strategy
572 "Fetch a message and return as a string.
573 FOLDER is the ELMO folder structure.
574 NUMBER is the number of the message in the FOLDER.
575 STRATEGY is the message fetching strategy.
576 If optional argument SECTION is specified, only the SECTION of the message
577 is fetched (if possible).
578 If second optional argument OUTBUF is specified, fetched message is
579 inserted to the buffer and returns t if fetch was ended successfully.
580 If third optional argument UNREAD is non-nil, message is not marked as read.
581 Returns non-nil if fetching was succeed.")
583 (luna-define-generic elmo-message-fetch-with-cache-process (folder
588 "Fetch a message into current buffer with cache process.
589 FOLDER is the ELMO folder structure.
590 NUMBER is the number of the message in the FOLDER.
591 STRATEGY is the message fetching strategy.
592 If optional argument SECTION is specified, only the SECTION of the message
593 is fetched (if possible).
594 If second optional argument UNREAD is non-nil, message is not marked as read.
595 Returns non-nil if fetching was succeed.")
597 (luna-define-generic elmo-message-fetch-internal (folder number strategy
601 "Fetch a message into current buffer.
602 FOLDER is the ELMO folder structure.
603 NUMBER is the number of the message in the FOLDER.
604 STRATEGY is the message fetching strategy.
605 If optional argument SECTION is specified, only the SECTION of the message
606 is fetched (if possible).
607 If second optional argument UNREAD is non-nil, message is not marked as read.
608 Returns non-nil if fetching was succeed.")
610 (luna-define-generic elmo-message-fetch-field (folder number field)
611 "Fetch a message field value.
612 FOLDER is the ELMO folder structure.
613 NUMBER is the number of the message in the FOLDER.
614 FIELD is a symbol of the field name.")
616 (luna-define-generic elmo-message-folder (folder number)
617 "Get primitive folder of the message.")
619 (luna-define-generic elmo-folder-process-crosspost (folder)
620 "Process crosspost for FOLDER.
621 If NUMBER-ALIST is set, it is used as number-alist.
622 Return a cons cell of (NUMBER-CROSSPOSTS . NEW-MARK-ALIST).")
624 (luna-define-generic elmo-folder-append-msgdb (folder append-msgdb)
625 "Append APPEND-MSGDB to the current msgdb of the folder.")
627 (luna-define-generic elmo-folder-newsgroups (folder)
628 "Return list of newsgroup name of FOLDER.")
630 (luna-define-generic elmo-folder-search-requires-msgdb-p (folder condition)
631 "Return non-nil if searching in FOLDER by CONDITION requires msgdb fetch.")
633 (defun elmo-folder-search-requires-msgdb-p-internal (folder condition)
634 (if (listp condition)
635 (or (elmo-folder-search-requires-msgdb-p-internal
636 folder (nth 1 condition))
637 (elmo-folder-search-requires-msgdb-p-internal
638 folder (nth 2 condition)))
639 (and (not (string= (elmo-filter-key condition) "last"))
640 (not (string= (elmo-filter-key condition) "first")))))
642 (luna-define-method elmo-folder-search-requires-msgdb-p ((folder elmo-folder)
644 (elmo-folder-search-requires-msgdb-p-internal folder condition))
646 (luna-define-method elmo-folder-newsgroups ((folder elmo-folder))
649 (luna-define-method elmo-folder-open ((folder elmo-folder)
650 &optional load-msgdb)
651 (elmo-generic-folder-open folder load-msgdb))
653 (defun elmo-generic-folder-open (folder load-msgdb)
654 (let ((inhibit-quit t))
655 (if load-msgdb (elmo-folder-msgdb folder))
656 (elmo-folder-set-killed-list-internal
658 (elmo-msgdb-killed-list-load (elmo-folder-msgdb-path folder))))
659 (elmo-folder-open-internal folder))
661 (luna-define-method elmo-folder-open-internal ((folder elmo-folder))
662 nil ; default is do nothing.
665 (luna-define-method elmo-folder-check ((folder elmo-folder))
666 nil) ; default is noop.
668 (luna-define-method elmo-folder-commit ((folder elmo-folder))
669 (elmo-generic-folder-commit folder))
671 (defun elmo-generic-folder-commit (folder)
672 (when (elmo-folder-persistent-p folder)
673 (when (elmo-folder-message-modified-internal folder)
674 (elmo-msgdb-overview-save
675 (elmo-folder-msgdb-path folder)
676 (elmo-msgdb-get-overview (elmo-folder-msgdb folder)))
677 (elmo-msgdb-number-save
678 (elmo-folder-msgdb-path folder)
679 (elmo-msgdb-get-number-alist (elmo-folder-msgdb folder)))
680 (elmo-folder-set-info-max-by-numdb
682 (elmo-folder-list-messages folder nil 'in-msgdb))
683 (elmo-folder-set-message-modified-internal folder nil)
684 (elmo-msgdb-killed-list-save
685 (elmo-folder-msgdb-path folder)
686 (elmo-folder-killed-list-internal folder)))
687 (when (elmo-folder-mark-modified-internal folder)
688 (elmo-msgdb-mark-save
689 (elmo-folder-msgdb-path folder)
690 (elmo-msgdb-get-mark-alist (elmo-folder-msgdb folder)))
691 (elmo-folder-set-mark-modified-internal folder nil))))
693 (luna-define-method elmo-folder-close-internal ((folder elmo-folder))
697 (luna-define-method elmo-folder-close ((folder elmo-folder))
698 (elmo-generic-folder-close folder)
699 (elmo-folder-close-internal folder))
701 (defun elmo-generic-folder-close (folder)
702 (elmo-folder-commit folder)
703 (elmo-folder-set-msgdb-internal folder nil)
704 (elmo-folder-set-killed-list-internal folder nil))
706 (luna-define-method elmo-folder-plugged-p ((folder elmo-folder))
707 t) ; default is plugged.
709 (luna-define-method elmo-folder-set-plugged ((folder elmo-folder) plugged
711 nil) ; default is do nothing.
713 (luna-define-method elmo-folder-use-flag-p ((folder elmo-folder))
714 nil) ; default is no flag.
716 (luna-define-method elmo-folder-persistent-p ((folder elmo-folder))
717 (elmo-folder-persistent-internal folder))
719 (luna-define-method elmo-folder-creatable-p ((folder elmo-folder))
720 nil) ; default is not creatable.
722 (luna-define-method elmo-folder-writable-p ((folder elmo-folder))
723 nil) ; default is not writable.
725 (luna-define-method elmo-folder-delete ((folder elmo-folder))
726 (when (yes-or-no-p (format "Delete msgdb of \"%s\"? "
727 (elmo-folder-name-internal folder)))
728 (elmo-msgdb-delete-path folder)
731 (luna-define-method elmo-folder-rename ((folder elmo-folder) new-name)
732 (let* ((new-folder (elmo-make-folder new-name)))
733 (unless (eq (elmo-folder-type-internal folder)
734 (elmo-folder-type-internal new-folder))
735 (error "Not same folder type"))
736 (if (or (file-exists-p (elmo-folder-msgdb-path new-folder))
737 (elmo-folder-exists-p new-folder))
738 (error "Already exists folder: %s" new-name))
739 (elmo-folder-send folder 'elmo-folder-rename-internal new-folder)
740 (elmo-msgdb-rename-path folder new-folder)))
742 (defsubst elmo-folder-search-fast (folder condition numbers)
743 "Search and return list of message numbers.
744 Return t if CONDITION is not treated.
745 FOLDER is the ELMO folder structure.
746 CONDITION is a condition structure for searching.
747 NUMBERS is a list of message numbers, messages are searched from the list."
751 ((string= (elmo-filter-key condition) "flag")
752 (let ((msgdb (elmo-folder-msgdb folder)))
753 ;; msgdb should be synchronized at this point.
755 ((string= (elmo-filter-value condition) "unread")
756 (elmo-folder-list-unreads folder))
757 ((string= (elmo-filter-value condition) "important")
758 (elmo-folder-list-importants folder))
759 ((string= (elmo-filter-value condition) "answered")
760 (elmo-folder-list-answereds folder))
761 ((string= (elmo-filter-value condition) "digest")
762 (nconc (elmo-folder-list-unreads folder)
763 (elmo-folder-list-importants folder)))
764 ((string= (elmo-filter-value condition) "any")
765 (nconc (elmo-folder-list-unreads folder)
766 (elmo-folder-list-importants folder)
767 (elmo-folder-list-answereds folder))))))
768 ((member (elmo-filter-key condition) '("first" "last"))
769 (let ((len (length numbers))
770 (lastp (string= (elmo-filter-key condition) "last"))
771 (value (string-to-number (elmo-filter-value condition))))
772 (when (eq (elmo-filter-type condition) 'unmatch)
773 (setq lastp (not lastp)
774 value (- len value)))
776 (nthcdr (max (- len value) 0) numbers)
778 (let* ((numbers (copy-sequence numbers))
779 (last (nthcdr (1- value) numbers)))
787 (luna-define-method elmo-folder-search ((folder elmo-folder)
790 (let ((numbers (or numbers (elmo-folder-list-messages folder)))
792 (if (listp (setq results (elmo-folder-search-fast folder
796 (let ((msgdb (elmo-folder-msgdb folder))
797 (len (length numbers))
799 (when (> len elmo-display-progress-threshold)
800 (elmo-progress-set 'elmo-folder-search len "Searching..."))
802 (dolist (number numbers)
804 (setq result (elmo-msgdb-match-condition
809 (when (elmo-filter-condition-p result)
810 (setq result (elmo-message-match-condition
816 (setq matched (cons number matched))))
817 (elmo-progress-notify 'elmo-folder-search))
818 (elmo-progress-clear 'elmo-folder-search))
819 (nreverse matched)))))
821 (luna-define-method elmo-message-match-condition ((folder elmo-folder)
824 (let ((filename (cond
825 ((elmo-message-file-name folder number))
826 ((let* ((cache (elmo-file-cache-get
827 (elmo-message-field folder number
829 (cache-path (elmo-file-cache-path cache)))
830 (when (and cache-path
831 (not (elmo-cache-path-section-p cache-path)))
834 (file-readable-p filename))
836 (insert-file-contents-as-binary filename)
837 (elmo-set-buffer-multibyte default-enable-multibyte-characters)
838 ;; Should consider charset?
839 (decode-mime-charset-region (point-min) (point-max) elmo-mime-charset)
840 (elmo-buffer-field-condition-match condition number numbers)))))
842 (luna-define-method elmo-folder-pack-numbers ((folder elmo-folder))
843 nil) ; default is noop.
845 (luna-define-method elmo-folder-update-number ((folder elmo-folder))
846 nil) ; default is noop.
848 (luna-define-method elmo-folder-message-file-p ((folder elmo-folder))
849 nil) ; default is not file.
851 (luna-define-method elmo-folder-message-file-number-p ((folder elmo-folder))
852 nil) ; default is not number.
854 (luna-define-method elmo-folder-message-make-temp-file-p ((folder elmo-folder))
855 nil) ; default is not make temp file.
857 (luna-define-method elmo-message-file-name ((folder elmo-folder)
859 nil) ; default is no name.
861 (luna-define-method elmo-folder-local-p ((folder elmo-folder))
862 t) ; default is local.
864 (luna-define-method elmo-folder-have-subfolder-p ((folder elmo-folder))
868 ;; Folder info is a message number information cache (hashtable)
869 (defsubst elmo-folder-get-info (folder &optional hashtb)
870 "Return FOLDER info from HASHTB (default is `elmo-folder-info-hashtb')."
871 (elmo-get-hash-val (elmo-folder-name-internal folder)
872 (or hashtb elmo-folder-info-hashtb)))
874 (defun elmo-folder-set-info-hashtb (folder max numbers &optional new unread)
875 "Set FOLDER info (means MAX, NUMBERS, NEW and UNREAD)."
876 (let ((info (elmo-folder-get-info folder)))
878 (or new (setq new (nth 0 info)))
879 (or unread (setq unread (nth 1 info)))
880 (or numbers (setq numbers (nth 2 info)))
881 (or max (setq max (nth 3 info))))
882 (elmo-set-hash-val (elmo-folder-name-internal folder)
883 (list new unread numbers max)
884 elmo-folder-info-hashtb)))
886 (defun elmo-folder-set-info-max-by-numdb (folder numbers)
887 "Set FOLDER info by MSGDB-NUMBER in msgdb."
888 (let ((numbers (sort numbers '<)))
889 (elmo-folder-set-info-hashtb
891 (or (nth (max 0 (1- (length numbers))) numbers) 0)
892 nil ;;(length num-db)
895 (defun elmo-folder-get-info-max (folder)
896 "Return max number of FODLER from folder info."
897 (nth 3 (elmo-folder-get-info folder)))
899 (defun elmo-folder-get-info-length (folder)
900 "Return length of FODLER from folder info."
901 (nth 2 (elmo-folder-get-info folder)))
903 (defun elmo-folder-get-info-unread (folder)
904 "Return unread of FODLER from folder info."
905 (nth 1 (elmo-folder-get-info folder)))
907 (defun elmo-folder-info-make-hashtb (info-alist hashtb)
908 "Setup folder info hashtable by INFO-ALIST on HASHTB."
909 (let* ((hashtb (or hashtb
910 (elmo-make-hash (length info-alist)))))
913 (let ((info (cadr x)))
914 (and (intern-soft (car x) hashtb)
915 (elmo-set-hash-val (car x)
916 (list (nth 2 info) ;; new
917 (nth 3 info) ;; unread
918 (nth 1 info) ;; length
922 (setq elmo-folder-info-hashtb hashtb)))
924 (defsubst elmo-diff-new (diff)
927 (defsubst elmo-diff-unread (diff)
928 (when (consp (cdr diff))
931 (defsubst elmo-diff-all (diff)
932 (if (consp (cdr diff))
936 (defsubst elmo-strict-folder-diff (folder)
937 "Return folder diff information strictly from FOLDER."
938 (let* ((dir (elmo-folder-msgdb-path folder))
939 (nalist (elmo-msgdb-get-number-alist (elmo-folder-msgdb folder)))
940 (in-db (sort (mapcar 'car nalist) '<))
941 (in-folder (elmo-folder-list-messages folder))
942 append-list delete-list diff)
943 (cons (if (equal in-folder in-db)
945 (setq diff (elmo-list-diff in-folder in-db nil))
946 (setq append-list (car diff))
947 (setq delete-list (cadr diff))
951 (- 0 (length delete-list))
953 (length in-folder))))
955 (luna-define-method elmo-folder-diff ((folder elmo-folder))
956 (elmo-generic-folder-diff folder))
958 (defun elmo-generic-folder-diff (folder)
959 (if (elmo-string-match-member (elmo-folder-name-internal folder)
960 elmo-strict-diff-folder-list)
961 (elmo-strict-folder-diff folder)
962 (let ((cached-in-db-max (elmo-folder-get-info-max folder))
963 (in-folder (elmo-folder-status folder))
967 (if (not cached-in-db-max)
968 (let ((number-list (elmo-folder-list-messages folder
971 (setq in-db (sort number-list '<))
972 (setq in-db-max (or (nth (max 0 (1- (length in-db))) in-db)
974 (elmo-folder-set-info-hashtb folder in-db-max nil))
975 (setq in-db-max cached-in-db-max))
976 (setq unsync (if (and in-db (car in-folder))
977 (- (car in-folder) in-db-max)
978 (if (and in-folder (null in-db))
981 (setq messages (cdr in-folder))
982 (if (and unsync messages (> unsync messages))
983 (setq unsync messages))
984 (cons (or unsync 0) (or messages 0)))))
986 (defvar elmo-folder-diff-async-callback nil)
987 (defvar elmo-folder-diff-async-callback-data nil)
989 (luna-define-method elmo-folder-diff-async ((folder elmo-folder))
990 (and elmo-folder-diff-async-callback
991 (funcall elmo-folder-diff-async-callback
993 (elmo-folder-diff folder))))
995 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-folder))
998 (luna-define-method elmo-folder-contains-type ((folder elmo-folder) type)
999 (eq (elmo-folder-type-internal folder) type))
1001 (luna-define-method elmo-folder-append-messages ((folder elmo-folder)
1006 (elmo-generic-folder-append-messages folder src-folder numbers
1009 (defun elmo-generic-folder-append-messages (folder src-folder numbers
1011 (let ((src-msgdb-exists (not (zerop (elmo-folder-length src-folder))))
1012 unseen table flag mark
1013 succeed-numbers failure cache id)
1014 (setq table (elmo-flag-table-load (elmo-folder-msgdb-path folder)))
1016 (set-buffer-multibyte nil)
1019 id (and src-msgdb-exists
1020 (elmo-message-field src-folder (car numbers)
1022 mark (and src-msgdb-exists
1023 (elmo-message-mark src-folder (car numbers)))
1027 ((member mark (elmo-msgdb-answered-marks))
1030 ((not (member mark (elmo-msgdb-unread-marks)))
1033 (setq cache (elmo-file-cache-get id)
1038 src-folder (car numbers)
1039 (if (elmo-folder-plugged-p src-folder)
1040 (elmo-make-fetch-strategy
1042 (and cache (elmo-file-cache-path cache)))
1043 (or (and elmo-enable-disconnected-operation
1045 (eq (elmo-file-cache-status cache) 'entire)
1046 (elmo-make-fetch-strategy
1048 (elmo-file-cache-path cache)))
1049 (error "Unplugged")))
1050 nil (current-buffer)
1053 (elmo-folder-append-buffer
1056 (if same-number (car numbers))))))
1057 (error (setq failure t)))
1058 ;; FETCH & APPEND finished
1061 (elmo-flag-table-set table id flag))
1062 (setq succeed-numbers (cons (car numbers) succeed-numbers)))
1063 (elmo-progress-notify 'elmo-folder-move-messages)
1064 (setq numbers (cdr numbers)))
1065 (when (elmo-folder-persistent-p folder)
1066 (elmo-flag-table-save (elmo-folder-msgdb-path folder) table))
1069 ;; Arguments should be reduced.
1070 (defun elmo-folder-move-messages (src-folder msgs dst-folder
1077 (let* ((messages msgs)
1078 (elmo-inhibit-display-retrieval-progress t)
1081 (if (eq dst-folder 'null)
1082 (setq succeeds messages)
1083 (unless (elmo-folder-writable-p dst-folder)
1084 (error "move: %d is not writable"
1085 (elmo-folder-name-internal dst-folder)))
1087 ;; src is already opened.
1088 (elmo-folder-open-internal dst-folder)
1089 (unless (setq succeeds (elmo-folder-append-messages dst-folder
1093 (error "move: append message to %s failed"
1094 (elmo-folder-name-internal dst-folder)))
1095 (elmo-folder-close dst-folder)))
1096 (if (and (not no-delete) succeeds)
1098 (if (and (elmo-folder-delete-messages src-folder succeeds)
1099 (elmo-folder-detach-messages src-folder succeeds))
1101 (message "move: delete messages from %s failed."
1102 (elmo-folder-name-internal src-folder))
1107 ;; (message "Copying messages...done")
1110 (message "No message was moved.")
1111 (message "Moving messages failed.")
1115 (defun elmo-folder-msgdb-path (folder)
1116 "Return the msgdb path for FOLDER."
1117 (or (elmo-folder-path-internal folder)
1118 (elmo-folder-set-path-internal
1120 (elmo-folder-expand-msgdb-path folder))))
1122 (defun elmo-message-accessible-p (folder number)
1123 "Get accessibility of the message.
1124 Return non-nil when message is accessible."
1125 (or (elmo-folder-plugged-p folder)
1126 (elmo-folder-local-p folder)
1127 (elmo-msgdb-get-cached (elmo-folder-msgdb folder) number)))
1129 (luna-define-generic elmo-message-set-cached (folder number cached)
1130 "Set cache status of the message in the msgdb.
1131 FOLDER is the ELMO folder structure.
1132 NUMBER is a number of the message.
1133 If CACHED is t, message is set as cached.")
1135 (luna-define-method elmo-message-set-cached ((folder elmo-folder)
1137 (when (elmo-msgdb-set-cached (elmo-folder-msgdb folder)
1140 (elmo-message-use-cache-p folder number))
1141 (elmo-folder-set-mark-modified-internal folder t)))
1143 (defun elmo-message-copy-entity (entity)
1145 (elmo-msgdb-copy-overview-entity entity))
1147 (defun elmo-message-entity-set-number (entity number)
1148 (elmo-msgdb-overview-entity-set-number entity number))
1150 (luna-define-generic elmo-message-entity (folder key)
1151 "Return the message-entity structure which matches to the KEY.
1152 KEY is a number or a string.
1153 A number is for message number in the FOLDER.
1154 A string is for message-id of the message.")
1156 (luna-define-method elmo-message-entity ((folder elmo-folder) key)
1157 (elmo-msgdb-message-entity (elmo-folder-msgdb folder) key))
1159 (luna-define-generic elmo-message-entity-parent (folder entity)
1160 "Return the parent message-entity structure in the FOLDER.
1161 ENTITY is the message-entity to get the parent.")
1163 (luna-define-method elmo-message-entity-parent ((folder elmo-folder) entity)
1164 (elmo-msgdb-get-parent-entity entity (elmo-folder-msgdb folder)))
1166 (put 'elmo-folder-do-each-message-entity 'lisp-indent-function '1)
1167 (def-edebug-spec elmo-folder-do-each-message-entity
1168 ((symbolp form &rest form) &rest form))
1170 (defsubst elmo-folder-list-message-entities (folder)
1171 ;; List all message entities in the FOLDER.
1173 (lambda (number) (elmo-message-entity folder number))
1174 (elmo-folder-list-messages folder t t)))
1176 (defmacro elmo-folder-do-each-message-entity (spec &rest form)
1177 "Iterator for message entity in the folder.
1178 \(elmo-folder-do-each-message-entity \(entity folder\)
1179 ... do the process using entity...
1181 `(dolist (,(car spec) (elmo-folder-list-message-entities ,(car (cdr spec))))
1184 (defmacro elmo-message-entity-number (entity)
1185 `(elmo-msgdb-overview-entity-get-number ,entity))
1187 (defun elmo-message-entity-field (entity field &optional decode)
1188 "Get message entity field value.
1189 ENTITY is the message entity structure obtained by `elmo-message-entity'.
1190 FIELD is the symbol of the field name.
1191 if optional DECODE is non-nil, returned value is decoded."
1192 (elmo-msgdb-message-entity-field entity field decode))
1194 (defun elmo-message-entity-set-field (entity field value)
1195 "Set message entity field value.
1196 ENTITY is the message entity structure.
1197 FIELD is the symbol of the field name.
1198 VALUE is the field value (raw)."
1199 (elmo-msgdb-message-entity-set-field entity field value))
1201 (luna-define-generic elmo-folder-count-flags (folder)
1202 "Count flagged message number in the msgdb of the FOLDER.
1203 Return a list of numbers (`new' `unread' `answered')")
1205 (luna-define-method elmo-folder-count-flags ((folder elmo-folder))
1209 (dolist (elem (elmo-msgdb-get-mark-alist (elmo-folder-msgdb folder)))
1211 ((string= (cadr elem) elmo-msgdb-new-mark)
1213 ((member (cadr elem) (elmo-msgdb-unread-marks))
1215 ((member (cadr elem) (elmo-msgdb-answered-marks))
1217 (list new unreads answered)))
1219 (defun elmo-message-set-flag (folder number flag)
1221 FOLDER is a ELMO folder structure.
1222 NUMBER is a message number to set flag.
1224 FLAG is a symbol which is one of the following:
1225 `unread' (set the message as unread)
1226 `answered' (set the message as answered)
1227 `important' (set the message as important)
1229 `read' (remove new and unread flags)")
1231 (defun elmo-message-unset-flag (folder number flag)
1232 "Unset message flag.
1233 FOLDER is a ELMO folder structure.
1234 NUMBER is a message number to set flag.
1236 FLAG is a symbol which is one of the following:
1237 `unread' (remove unread and new flag)
1238 `answered' (remove answered flag)
1239 `important' (remove important flag)
1241 `read' (set unread flag)")
1243 (luna-define-generic elmo-message-mark (folder number)
1244 "Get mark of the message.
1245 FOLDER is the ELMO folder structure.
1246 NUMBER is a number of the message.")
1248 (luna-define-method elmo-message-mark ((folder elmo-folder) number)
1249 (when (zerop (elmo-folder-length folder))
1250 (error "Cannot treat this folder correctly."))
1251 (elmo-msgdb-get-mark (elmo-folder-msgdb folder) number))
1253 (luna-define-generic elmo-message-field (folder number field)
1254 "Get message field value in the msgdb.
1255 FOLDER is the ELMO folder structure.
1256 NUMBER is a number of the message.
1257 FIELD is a symbol of the field.")
1259 (luna-define-method elmo-message-field ((folder elmo-folder) number field)
1260 (when (zerop (elmo-folder-length folder))
1261 (error "Cannot treat this folder correctly."))
1262 (elmo-msgdb-get-field (elmo-folder-msgdb folder) number field))
1264 (luna-define-method elmo-message-use-cache-p ((folder elmo-folder) number)
1265 nil) ; default is not use cache.
1267 (luna-define-method elmo-message-folder ((folder elmo-folder) number)
1268 folder) ; default is folder
1270 (luna-define-method elmo-folder-unmark-important ((folder elmo-folder)
1272 &optional ignore-flags)
1273 (when (elmo-folder-msgdb-internal folder)
1274 (dolist (number numbers)
1275 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1280 (luna-define-method elmo-folder-mark-as-important ((folder elmo-folder)
1282 &optional ignore-flags)
1283 (when (elmo-folder-msgdb-internal folder)
1284 (dolist (number numbers)
1285 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1290 (luna-define-method elmo-folder-unmark-read ((folder elmo-folder)
1292 &optional ignore-flags)
1293 (when (elmo-folder-msgdb-internal folder)
1294 (dolist (number numbers)
1295 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1300 (luna-define-method elmo-folder-mark-as-read ((folder elmo-folder)
1302 &optional ignore-flag)
1303 (when (elmo-folder-msgdb-internal folder)
1304 (dolist (number numbers)
1305 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1310 (luna-define-method elmo-folder-unmark-answered ((folder elmo-folder) numbers)
1311 (when (elmo-folder-msgdb-internal folder)
1312 (dolist (number numbers)
1313 (elmo-msgdb-unset-flag (elmo-folder-msgdb folder)
1318 (luna-define-method elmo-folder-mark-as-answered ((folder elmo-folder) numbers)
1319 (when (elmo-folder-msgdb-internal folder)
1320 (dolist (number numbers)
1321 (elmo-msgdb-set-flag (elmo-folder-msgdb folder)
1326 (luna-define-method elmo-folder-process-crosspost ((folder elmo-folder))
1330 ;;(luna-define-generic elmo-folder-append-message-entity (folder entity
1333 ;; "Append ENTITY to the folder.")
1335 (defun elmo-generic-folder-append-msgdb (folder append-msgdb)
1337 (let* ((number-alist (elmo-msgdb-get-number-alist append-msgdb))
1338 (all-alist (copy-sequence (append
1339 (elmo-msgdb-get-number-alist
1340 (elmo-folder-msgdb folder))
1346 (elmo-folder-set-msgdb-internal folder
1348 (elmo-folder-msgdb folder)
1351 (setq all-alist (delq (car cur) all-alist))
1352 ;; same message id exists.
1353 (if (setq pair (rassoc (cdr (car cur)) all-alist))
1354 (setq to-be-deleted (nconc to-be-deleted (list (car pair)))))
1355 (setq cur (cdr cur)))
1356 (cond ((eq (elmo-folder-process-duplicates-internal folder)
1359 (setq overview (elmo-delete-if
1361 (memq (elmo-msgdb-overview-entity-get-number
1364 (elmo-msgdb-get-overview append-msgdb)))
1365 ;; Should be mark as read.
1366 (elmo-folder-mark-as-read folder to-be-deleted)
1367 (elmo-msgdb-set-overview append-msgdb overview))
1368 ((eq (elmo-folder-process-duplicates-internal folder)
1370 ;; Mark as read duplicates.
1371 (elmo-folder-mark-as-read folder to-be-deleted))
1374 (setq to-be-deleted nil)))
1375 (length to-be-deleted))
1378 (luna-define-method elmo-folder-append-msgdb ((folder elmo-folder)
1380 (elmo-generic-folder-append-msgdb folder append-msgdb))
1382 (defun elmo-folder-confirm-appends (appends)
1383 (let ((len (length appends))
1385 (if (and elmo-folder-update-threshold
1386 (> len elmo-folder-update-threshold)
1387 elmo-folder-update-confirm)
1388 (if (y-or-n-p (format "Too many messages(%d). Update all? " len))
1390 (setq in elmo-folder-update-threshold)
1393 (setq in (read-from-minibuffer "Update number: "
1395 in (string-to-int in))
1398 (if (y-or-n-p (format "%d messages are not appeared. OK? "
1399 (max (- len in) 0)))
1401 (nthcdr (max (- len in) 0) appends))
1402 (if (and elmo-folder-update-threshold
1403 (> len elmo-folder-update-threshold)
1404 (not elmo-folder-update-confirm))
1405 (nthcdr (max (- len elmo-folder-update-threshold) 0) appends)
1408 (luna-define-method elmo-message-fetch ((folder elmo-folder)
1415 (with-current-buffer outbuf
1417 (elmo-message-fetch-with-cache-process folder number
1418 strategy section unread))
1420 (elmo-message-fetch-with-cache-process folder number
1421 strategy section unread)
1424 (luna-define-method elmo-message-fetch-with-cache-process ((folder elmo-folder)
1428 (let ((cache-path (elmo-fetch-strategy-cache-path strategy))
1430 (cond ((eq (elmo-fetch-strategy-use-cache strategy) 'maybe)
1432 ((elmo-fetch-strategy-use-cache strategy)
1437 (while (and method-priorities
1440 (case (car method-priorities)
1442 (elmo-file-cache-load cache-path section))
1444 (when (and (condition-case error
1445 (elmo-message-fetch-internal folder number
1449 (error (setq err error) nil))
1450 (> (buffer-size) 0))
1451 (elmo-delete-cr-buffer)
1452 (when (and (elmo-fetch-strategy-save-cache strategy)
1454 (elmo-file-cache-save cache-path section))
1456 method-priorities (cdr method-priorities)))
1458 (and err (signal (car err) (cdr err))))))
1460 (defun elmo-folder-kill-messages-before (folder msg)
1461 (elmo-folder-set-killed-list-internal
1463 (list (cons 1 msg))))
1465 (defun elmo-folder-kill-messages (folder numbers)
1466 "Kill(hide) messages in the FOLDER with NUMBERS."
1467 (elmo-folder-set-killed-list-internal
1469 (elmo-number-set-append-list (elmo-folder-killed-list-internal
1473 (luna-define-method elmo-folder-clear ((folder elmo-folder)
1474 &optional keep-killed)
1476 (elmo-folder-set-killed-list-internal folder nil))
1477 (elmo-folder-set-msgdb-internal folder (elmo-msgdb-clear)))
1479 (luna-define-generic elmo-folder-synchronize (folder
1480 &optional ignore-msgdb
1482 "Synchronize the folder data to the newest status.
1483 FOLDER is the ELMO folder structure.
1485 If optional IGNORE-MSGDB is non-nil, current msgdb is thrown away except
1486 flag status. If IGNORE-MSGDB is 'visible-only, only visible messages
1487 \(the messages which are not in the killed-list\) are thrown away and
1489 If NO-CHECK is non-nil, rechecking folder is skipped.
1490 Return a list of a cross-posted message number.
1491 If update process is interrupted, return nil.")
1493 (luna-define-method elmo-folder-synchronize ((folder elmo-folder)
1494 &optional ignore-msgdb no-check)
1495 (let ((killed-list (elmo-folder-killed-list-internal folder))
1498 old-msgdb diff diff-2 delete-list new-list new-msgdb mark
1499 flag-table crossed after-append numbers)
1500 (setq old-msgdb (elmo-folder-msgdb folder))
1501 (setq flag-table (elmo-flag-table-load (elmo-folder-msgdb-path folder)))
1503 (elmo-msgdb-flag-table (elmo-folder-msgdb folder) flag-table)
1504 (elmo-folder-clear folder (eq ignore-msgdb 'visible-only)))
1505 (setq numbers (sort (elmo-folder-list-messages folder nil t) '<))
1506 (unless no-check (elmo-folder-check folder))
1509 (message "Checking folder diff...")
1510 (setq diff (elmo-list-diff (elmo-folder-list-messages
1512 (eq 'visible-only ignore-msgdb))
1514 (message "Checking folder diff...done")
1515 (setq new-list (elmo-folder-confirm-appends (car diff)))
1516 ;; Set killed list as ((1 . MAX-OF-DISAPPEARED))
1517 (when (and (not (eq (length (car diff))
1519 (setq diff-2 (elmo-list-diff (car diff) new-list)))
1520 (elmo-folder-kill-messages-before folder
1521 (nth (- (length (car diff-2)) 1)
1523 (setq delete-list (cadr diff))
1524 (if (or (equal diff '(nil nil))
1526 (and (eq (length (car diff)) 0)
1527 (eq (length (cadr diff)) 0)))
1529 (elmo-folder-update-number folder)
1530 (elmo-folder-process-crosspost folder)
1534 (elmo-folder-detach-messages folder delete-list))
1536 (elmo-msgdb-change-mark (elmo-folder-msgdb folder)
1538 elmo-msgdb-unread-uncached-mark)
1539 (setq new-msgdb (elmo-folder-msgdb-create
1540 folder new-list flag-table))
1542 (if (elmo-folder-persistent-p folder)
1543 (elmo-flag-table-save (elmo-folder-msgdb-path folder)
1545 (setq before-append nil)
1546 (setq crossed (elmo-folder-append-msgdb folder new-msgdb))
1547 ;; process crosspost.
1548 ;; Return a cons cell of (NUMBER-CROSSPOSTS . NEW-MARK-ALIST).
1549 (elmo-folder-process-crosspost folder)
1550 (elmo-folder-set-message-modified-internal folder t)
1551 (elmo-folder-set-mark-modified-internal folder t))
1555 ;; Resume to the original status.
1556 (if before-append (elmo-folder-set-msgdb-internal folder old-msgdb))
1557 (elmo-folder-set-killed-list-internal folder killed-list)
1560 (luna-define-generic elmo-folder-detach-messages (folder numbers)
1561 "Remove messages with NUMBERS from MSGDB.")
1563 (luna-define-method elmo-folder-detach-messages ((folder elmo-folder)
1565 (elmo-msgdb-delete-msgs (elmo-folder-msgdb folder) numbers))
1567 (luna-define-generic elmo-folder-length (folder)
1568 "Return number of messages in the FOLDER.")
1570 (luna-define-method elmo-folder-length ((folder elmo-folder))
1571 (if (elmo-folder-msgdb-internal folder)
1572 (elmo-msgdb-length (elmo-folder-msgdb folder))
1575 (defun elmo-msgdb-load (folder &optional silent)
1577 (message "Loading msgdb for %s..." (elmo-folder-name-internal folder)))
1578 (let ((msgdb (elmo-load-msgdb (elmo-folder-msgdb-path folder))))
1579 (elmo-folder-set-info-max-by-numdb
1581 (mapcar 'elmo-msgdb-overview-entity-get-number
1582 (elmo-msgdb-get-overview msgdb)))
1584 (message "Loading msgdb for %s...done"
1585 (elmo-folder-name-internal folder)))
1588 (defun elmo-msgdb-delete-path (folder)
1589 (let ((path (elmo-folder-msgdb-path folder)))
1590 (if (file-directory-p path)
1591 (elmo-delete-directory path t))))
1593 (defun elmo-msgdb-rename-path (old-folder new-folder)
1594 (let* ((old (directory-file-name (elmo-folder-msgdb-path old-folder)))
1595 (new (directory-file-name (elmo-folder-msgdb-path new-folder)))
1596 (new-dir (directory-file-name (file-name-directory new))))
1597 (if (not (file-directory-p old))
1599 (if (file-exists-p new)
1600 (error "Already exists directory: %s" new)
1601 (if (not (file-exists-p new-dir))
1602 (elmo-make-directory new-dir))
1603 (rename-file old new)))))
1605 (defun elmo-setup-subscribed-newsgroups (groups)
1606 "Setup subscribed newsgroups.
1607 GROUPS is a list of newsgroup name string.
1608 Return a hashtable for newsgroups."
1609 (let ((hashtb (or elmo-newsgroups-hashtb
1610 (setq elmo-newsgroups-hashtb
1611 (elmo-make-hash (length groups))))))
1612 (dolist (group groups)
1613 (or (elmo-get-hash-val group hashtb)
1614 (elmo-set-hash-val group nil hashtb)))
1615 (setq elmo-newsgroups-hashtb hashtb)))
1617 (defvar elmo-crosspost-message-alist-modified nil)
1618 (defun elmo-crosspost-message-alist-load ()
1619 "Load crosspost message alist."
1620 (setq elmo-crosspost-message-alist (elmo-crosspost-alist-load))
1621 (setq elmo-crosspost-message-alist-modified nil))
1623 (defun elmo-crosspost-message-alist-save ()
1624 "Save crosspost message alist."
1625 (when elmo-crosspost-message-alist-modified
1626 (let ((alist elmo-crosspost-message-alist)
1632 (not (intern-soft x elmo-newsgroups-hashtb)))
1633 (nth 1 (car alist))))
1635 (setcar (cdar alist) newsgroups)
1636 (setq elmo-crosspost-message-alist
1637 (delete (car alist) elmo-crosspost-message-alist)))
1638 (setq alist (cdr alist)))
1639 (elmo-crosspost-alist-save elmo-crosspost-message-alist)
1640 (setq elmo-crosspost-message-alist-modified nil))))
1642 (defun elmo-folder-make-temporary-directory (folder)
1643 ;; Make a temporary directory for FOLDER.
1644 (let ((temp-dir (make-temp-name
1646 (file-name-as-directory (elmo-folder-msgdb-path folder))
1648 (elmo-make-directory temp-dir)
1652 "Initialize ELMO module."
1653 (elmo-crosspost-message-alist-load)
1654 (elmo-resque-obsolete-variables)
1655 (elmo-dop-queue-load))
1658 "Quit and cleanup ELMO."
1659 (elmo-crosspost-message-alist-save)
1660 (elmo-dop-queue-save)
1661 ;; Not implemented yet.
1662 (let ((types elmo-folder-type-alist)
1667 (intern (format "elmo-%s-folder" (symbol-name (cdr (car types)))))))
1668 ;; Call all folder's `elmo-quit' method.
1670 (dolist (func (luna-class-find-functions class 'elmo-quit))
1671 (funcall func nil)))
1672 (setq types (cdr types)))))
1674 (luna-define-method elmo-folder-rename-internal ((folder elmo-folder)
1676 (error "Cannot rename %s folder"
1677 (symbol-name (elmo-folder-type-internal folder))))
1681 (elmo-define-folder ?% 'imap4)
1682 (elmo-define-folder ?- 'nntp)
1683 (elmo-define-folder ?\+ 'localdir)
1684 (elmo-define-folder ?\* 'multi)
1685 (elmo-define-folder ?\/ 'filter)
1686 (elmo-define-folder ?\$ 'archive)
1687 (elmo-define-folder ?& 'pop3)
1688 (elmo-define-folder ?= 'localnews)
1689 (elmo-define-folder ?| 'pipe)
1690 (elmo-define-folder ?. 'maildir)
1691 (elmo-define-folder ?' 'internal)
1692 (elmo-define-folder ?\[ 'nmz)
1693 (elmo-define-folder ?@ 'shimbun)
1695 ;;; Obsolete variables.
1696 (elmo-define-obsolete-variable 'elmo-default-imap4-mailbox
1697 'elmo-imap4-default-mailbox)
1698 (elmo-define-obsolete-variable 'elmo-default-imap4-server
1699 'elmo-imap4-default-server)
1700 (elmo-define-obsolete-variable 'elmo-default-imap4-authenticate-type
1701 'elmo-imap4-default-authenticate-type)
1702 (elmo-define-obsolete-variable 'elmo-default-imap4-user
1703 'elmo-imap4-default-user)
1704 (elmo-define-obsolete-variable 'elmo-default-imap4-port
1705 'elmo-imap4-default-port)
1706 (elmo-define-obsolete-variable 'elmo-default-imap4-stream-type
1707 'elmo-imap4-default-stream-type)
1708 (elmo-define-obsolete-variable 'elmo-default-nntp-server
1709 'elmo-nntp-default-server)
1710 (elmo-define-obsolete-variable 'elmo-default-nntp-user
1711 'elmo-nntp-default-user)
1712 (elmo-define-obsolete-variable 'elmo-default-nntp-port
1713 'elmo-nntp-default-port)
1714 (elmo-define-obsolete-variable 'elmo-default-nntp-stream-type
1715 'elmo-nntp-default-stream-type)
1716 (elmo-define-obsolete-variable 'elmo-default-pop3-server
1717 'elmo-pop3-default-server)
1718 (elmo-define-obsolete-variable 'elmo-default-pop3-user
1719 'elmo-pop3-default-user)
1720 (elmo-define-obsolete-variable 'elmo-default-pop3-authenticate-type
1721 'elmo-pop3-default-authenticate-type)
1722 (elmo-define-obsolete-variable 'elmo-default-pop3-port
1723 'elmo-pop3-default-port)
1724 (elmo-define-obsolete-variable 'elmo-default-pop3-stream-type
1725 'elmo-pop3-default-stream-type)
1726 (elmo-define-obsolete-variable 'elmo-cache-dirname
1727 'elmo-cache-directory)
1728 (elmo-define-obsolete-variable 'elmo-msgdb-dir
1729 'elmo-msgdb-directory)
1731 ;; Obsolete functions.
1732 ;; 2001-12-11: *-dir -> *-directory
1733 (defalias 'elmo-folder-make-temp-dir 'elmo-folder-make-temporary-directory)
1734 (make-obsolete 'elmo-folder-make-temp-dir
1735 'elmo-folder-make-temporary-directory)
1739 (autoload 'elmo-dop-queue-flush "elmo-dop")
1740 (autoload 'elmo-nntp-post "elmo-nntp")
1743 (product-provide (provide 'elmo) (require 'elmo-version))
1745 ;;; elmo.el ends here