1 ;;; elmo-msgdb.el -- Message Database for Elmo.
3 ;; Copyright 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.
32 (eval-when-compile (require 'cl))
39 (defun elmo-msgdb-expand-path (folder &optional spec)
40 (convert-standard-filename
41 (let* ((spec (or spec (elmo-folder-get-spec folder)))
46 (setq fld (elmo-imap4-spec-mailbox spec))
47 (if (string= "inbox" (downcase fld))
49 (if (eq (string-to-char fld) ?/)
50 (setq fld (substring fld 1 (length fld))))
53 (expand-file-name (or (elmo-imap4-spec-username spec) "nobody")
55 (elmo-imap4-spec-hostname spec)
62 (elmo-nntp-spec-group spec)
63 (expand-file-name (or (elmo-nntp-spec-hostname spec) "nowhere")
64 (expand-file-name "nntp"
67 (expand-file-name (elmo-safe-filename (nth 1 spec))
68 (expand-file-name "maildir"
71 (expand-file-name (elmo-safe-filename (nth 1 spec))
72 (expand-file-name "folder"
75 (expand-file-name (elmo-safe-filename folder)
76 (expand-file-name "multi"
80 (elmo-safe-filename folder)
81 (expand-file-name "filter"
87 (elmo-replace-in-string
88 (elmo-replace-in-string
89 (elmo-replace-in-string
95 (expand-file-name (concat (symbol-name type) "/"
96 (symbol-name (nth 2 spec)))
100 (elmo-safe-filename (elmo-pop3-spec-username spec))
101 (expand-file-name (elmo-pop3-spec-hostname spec)
105 ((eq type 'localnews)
107 (elmo-replace-in-string (nth 1 spec) "/" ".")
108 (expand-file-name "localnews"
111 (expand-file-name (elmo-safe-filename (concat (symbol-name (nth 1 spec))
113 (expand-file-name "internal"
116 (expand-file-name (elmo-safe-filename (nth 1 spec))
117 (expand-file-name "internal/cache"
119 (t ; local dir or undefined type
121 (setq fld (nth 1 spec))
122 (if (file-name-absolute-p fld)
123 (setq fld (elmo-safe-filename fld)))
124 (expand-file-name fld
125 (expand-file-name (symbol-name type)
126 elmo-msgdb-dir)))))))
128 (defsubst elmo-msgdb-append-element (list element)
130 ;(append list (list element))
131 (nconc list (list element))
135 (defsubst elmo-msgdb-get-overview (msgdb)
137 (defsubst elmo-msgdb-get-number-alist (msgdb)
139 (defsubst elmo-msgdb-get-mark-alist (msgdb)
141 (defsubst elmo-msgdb-get-location (msgdb)
145 ;; number <-> Message-ID handling
147 (defsubst elmo-msgdb-number-add (alist number id)
148 (let ((ret-val alist))
150 (elmo-msgdb-append-element ret-val (cons number id)))
154 ;; parsistent mark handling
157 (defvar elmo-msgdb-global-mark-alist nil)
159 (defun elmo-msgdb-global-mark-delete (msgid)
160 (let* ((path (expand-file-name
161 elmo-msgdb-global-mark-filename
163 (malist (or elmo-msgdb-global-mark-alist
164 (setq elmo-msgdb-global-mark-alist
165 (elmo-object-load path))))
167 (when (setq match (assoc msgid malist))
168 (setq elmo-msgdb-global-mark-alist
169 (delete match elmo-msgdb-global-mark-alist))
170 (elmo-object-save path elmo-msgdb-global-mark-alist))))
172 (defun elmo-msgdb-global-mark-set (msgid mark)
173 (let* ((path (expand-file-name
174 elmo-msgdb-global-mark-filename
176 (malist (or elmo-msgdb-global-mark-alist
177 (setq elmo-msgdb-global-mark-alist
178 (elmo-object-load path))))
180 (if (setq match (assoc msgid malist))
182 (setq elmo-msgdb-global-mark-alist
183 (nconc elmo-msgdb-global-mark-alist
184 (list (cons msgid mark)))))
185 (elmo-object-save path elmo-msgdb-global-mark-alist)))
187 (defun elmo-msgdb-global-mark-get (msgid)
188 (cdr (assoc msgid (or elmo-msgdb-global-mark-alist
189 (setq elmo-msgdb-global-mark-alist
192 elmo-msgdb-global-mark-filename
193 elmo-msgdb-dir)))))))
196 ;; number <-> location handling
198 (defsubst elmo-msgdb-location-load (dir)
201 elmo-msgdb-location-filename
204 (defsubst elmo-msgdb-location-add (alist number location)
205 (let ((ret-val alist))
207 (elmo-msgdb-append-element ret-val (cons number location)))
210 (defsubst elmo-msgdb-location-save (dir alist)
213 elmo-msgdb-location-filename
216 (defun elmo-list-folder-by-location (spec locations &optional msgdb)
217 (let* ((path (elmo-msgdb-expand-path nil spec))
218 (location-alist (if msgdb
219 (elmo-msgdb-get-location msgdb)
220 (elmo-msgdb-location-load path)))
221 (locations-in-db (mapcar 'cdr location-alist))
222 result new-locs new-alist deleted-locs i
225 (elmo-delete-if (function
226 (lambda (x) (member x locations-in-db)))
229 (elmo-delete-if (function
230 (lambda (x) (member x locations)))
232 (setq modified new-locs)
233 (setq i (or (elmo-max-of-list (mapcar 'car location-alist)) 0))
238 (delq (rassoc x location-alist) location-alist))))
242 (setq new-alist (cons (cons i (car new-locs)) new-alist))
243 (setq new-locs (cdr new-locs)))
244 (setq result (nconc location-alist new-alist))
245 (setq result (sort result (lambda (x y) (< (car x)(car y)))))
246 (if modified (elmo-msgdb-location-save path result))
247 (mapcar 'car result)))
250 ;; persistent mark handling
252 (defun elmo-msgdb-mark-set (alist id mark)
253 (let ((ret-val alist)
255 (setq entity (assq id alist))
258 ;; delete this entity
259 (setq ret-val (delq entity alist))
261 (setcar (cdr entity) mark))
263 (setq ret-val (elmo-msgdb-append-element ret-val
267 (defun elmo-msgdb-mark-append (alist id mark)
269 (setq alist (elmo-msgdb-append-element alist
272 (defun elmo-msgdb-mark-alist-to-seen-list (number-alist mark-alist seen-marks)
273 "Make seen-list from mark-alist"
274 (let ((seen-mark-list (string-to-char-list seen-marks))
277 (if (setq ent (assq (car (car number-alist)) mark-alist))
279 (memq (string-to-char (cadr ent)) seen-mark-list))
280 (setq ret-val (cons (cdr (car number-alist)) ret-val)))
281 (setq ret-val (cons (cdr (car number-alist)) ret-val)))
282 (setq number-alist (cdr number-alist)))
289 (defsubst elmo-msgdb-get-field-value (field-name beg end buffer)
293 (narrow-to-region beg end)
294 (elmo-field-body field-name))))
296 (defun elmo-multiple-field-body (name &optional boundary)
299 (std11-narrow-to-header boundary)
300 (goto-char (point-min))
301 (let ((case-fold-search t)
303 (while (re-search-forward (concat "^" name ":[ \t]*") nil t)
306 (list (buffer-substring-no-properties
307 (match-end 0) (std11-field-end))))))
310 (defun elmo-multiple-fields-body-list (field-names &optional boundary)
311 "Return list of each field-bodies of FIELD-NAMES of the message header
312 in current buffer. If BOUNDARY is not nil, it is used as message
316 (std11-narrow-to-header boundary)
317 (let* ((case-fold-search t)
319 field-name field-body)
320 (while (setq field-name (car s-rest))
321 (goto-char (point-min))
322 (while (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
325 (list (buffer-substring-no-properties
326 (match-end 0) (std11-field-end))))))
327 (setq s-rest (cdr s-rest)))
330 (defsubst elmo-msgdb-remove-field-string (string)
331 (if (string-match (concat std11-field-head-regexp "[ \t]*") string)
332 (substring string (match-end 0))
335 (defsubst elmo-msgdb-get-last-message-id (string)
341 (goto-char (point-max))
342 (when (search-backward "<" nil t)
344 (if (search-forward ">" nil t)
345 (elmo-replace-in-string
346 (buffer-substring beg (point)) "\n[ \t]*" ""))))))))
348 (defun elmo-msgdb-number-load (dir)
350 (expand-file-name elmo-msgdb-number-filename dir)))
352 (defun elmo-msgdb-overview-load (dir)
354 (expand-file-name elmo-msgdb-overview-filename dir)))
356 (defun elmo-msgdb-mark-load (dir)
358 (expand-file-name elmo-msgdb-mark-filename dir)))
360 (defsubst elmo-msgdb-seen-load (dir)
361 (elmo-object-load (expand-file-name
362 elmo-msgdb-seen-filename
365 (defun elmo-msgdb-number-save (dir obj)
367 (expand-file-name elmo-msgdb-number-filename dir)
370 (defun elmo-msgdb-mark-save (dir obj)
372 (expand-file-name elmo-msgdb-mark-filename dir)
375 (defsubst elmo-msgdb-seen-save (dir obj)
377 (expand-file-name elmo-msgdb-seen-filename dir)
380 (defsubst elmo-msgdb-overview-save (dir overview)
382 (expand-file-name elmo-msgdb-overview-filename dir)
385 (defun elmo-msgdb-delete-msgs (folder msgs msgdb &optional reserve-cache)
386 "Delete MSGS from FOLDER in MSGDB.
387 content of MSGDB is changed."
389 (let* ((msg-list msgs)
390 (dir (elmo-msgdb-expand-path folder))
391 (overview (or (car msgdb)
392 (elmo-msgdb-overview-load dir)))
393 (number-alist (or (cadr msgdb)
394 (elmo-msgdb-number-load dir)))
395 (mark-alist (or (caddr msgdb)
396 (elmo-msgdb-mark-load dir)))
398 ;; remove from current database.
400 (setq message-id (cdr (assq (car msg-list) number-alist)))
401 (if (and (not reserve-cache) message-id)
402 (elmo-cache-delete message-id
403 folder (car msg-list)))
404 ;; This is no good!!!!
405 ;(setq overview (delete (assoc message-id overview) overview))
408 (elmo-msgdb-overview-get-entity-by-number overview
412 (delq (assq (car msg-list) number-alist) number-alist))
413 (setq mark-alist (delq (assq (car msg-list) mark-alist) mark-alist))
414 (setq msg-list (cdr msg-list)))
415 (setcar msgdb overview)
416 (setcar (cdr msgdb) number-alist)
417 (setcar (cddr msgdb) mark-alist))
420 (defsubst elmo-msgdb-set-overview (msgdb overview)
421 (setcar msgdb overview))
423 (defsubst elmo-msgdb-set-number-alist (msgdb number-alist)
424 (setcar (cdr msgdb) number-alist))
426 (defsubst elmo-msgdb-set-mark-alist (msgdb mark-alist)
427 (setcar (cddr msgdb) mark-alist))
429 (defsubst elmo-msgdb-overview-entity-get-references (entity)
430 (and entity (aref (cdr entity) 1)))
432 ;; entity -> parent-entity
433 (defsubst elmo-msgdb-overview-get-parent-entity (entity database)
434 (setq entity (elmo-msgdb-overview-entity-get-references entity))
435 ;; entity is parent-id.
436 (and entity (assoc entity database)))
438 (defsubst elmo-msgdb-overview-entity-get-number (entity)
439 (and entity (aref (cdr entity) 0)))
441 (defsubst elmo-msgdb-overview-entity-get-from-no-decode (entity)
442 (and entity (aref (cdr entity) 2)))
444 (defsubst elmo-msgdb-overview-entity-get-from (entity)
446 (aref (cdr entity) 2)
447 (decode-mime-charset-string (aref (cdr entity) 2)
450 (defsubst elmo-msgdb-overview-entity-set-number (entity number)
451 (and entity (aset (cdr entity) 0 number))
453 ;(setcar (cadr entity) number) entity)
455 (defsubst elmo-msgdb-overview-entity-set-from (entity from)
456 (and entity (aset (cdr entity) 2 from))
459 (defsubst elmo-msgdb-overview-entity-get-subject (entity)
461 (aref (cdr entity) 3)
462 (decode-mime-charset-string (aref (cdr entity) 3)
465 (defsubst elmo-msgdb-overview-entity-get-subject-no-decode (entity)
466 (and entity (aref (cdr entity) 3)))
468 (defsubst elmo-msgdb-overview-entity-set-subject (entity subject)
469 (and entity (aset (cdr entity) 3 subject))
472 (defsubst elmo-msgdb-overview-entity-get-date (entity)
473 (and entity (aref (cdr entity) 4)))
475 (defsubst elmo-msgdb-overview-entity-get-to (entity)
476 (and entity (aref (cdr entity) 5)))
478 (defsubst elmo-msgdb-overview-entity-get-cc (entity)
479 (and entity (aref (cdr entity) 6)))
481 (defsubst elmo-msgdb-overview-entity-get-size (entity)
482 (and entity (aref (cdr entity) 7)))
484 (defsubst elmo-msgdb-overview-entity-get-id (entity)
485 (and entity (car entity)))
487 (defsubst elmo-msgdb-overview-entity-get-extra-field (entity field-name)
488 (let ((extra (and entity (aref (cdr entity) 8))))
490 (cdr (assoc field-name extra)))))
492 (defun elmo-msgdb-overview-get-entity-by-number (database number)
497 (if (eq (elmo-msgdb-overview-entity-get-number (car db)) number)
499 (setq entity (car db))
501 (setq db (cdr db)))))
505 ;; deleted message handling
507 (defun elmo-msgdb-killed-list-load (dir)
509 (expand-file-name elmo-msgdb-killed-filename dir)
512 (defun elmo-msgdb-killed-list-save (dir killed-list)
514 (expand-file-name elmo-msgdb-killed-filename dir)
517 (defun elmo-msgdb-killed-message-p (killed-list msg)
529 (if (and (<= (car entity) msg)
530 (<= msg (cdr entity)))
534 (defun elmo-msgdb-set-as-killed (killed-list msg)
535 "if cons cell, set car-cdr messages as killed.
536 if integer, set number th message as killed."
537 (let ((dlist killed-list)
538 (ret-val killed-list)
542 (while (and dlist (not found))
543 (setq entity (car dlist))
544 (if (or (and (integerp entity) (eq entity msg))
546 (<= (car entity) msg)
547 (<= msg (cdr entity))))
549 (setq dlist (cdr dlist))
552 (setq ret-val (elmo-msgdb-append-element killed-list msg)))
555 (while (and dlist (not found))
556 (setq entity (car dlist))
557 (if (integerp entity)
559 ((and (<= (car msg) entity)(<= entity (cdr msg)))
563 ((= (1- (car msg)) entity)
564 (setcar dlist (cons entity (cdr msg)))
567 ((= (1+ (cdr msg)) entity)
568 (setcar dlist (cons (car msg) entity))
572 (cond ; there are four patterns
573 ((and (<= (car msg) (car entity))
574 (<= (cdr entity) (cdr msg)))
577 ((and (< (car entity)(car msg))
578 (< (cdr msg) (cdr entity)))
580 ((and (<= (car msg) (car entity))
581 (<= (cdr msg) (cdr entity)))
582 (setcar dlist (cons (car msg) (cdr entity)))
584 ((and (<= (car entity) (car msg))
585 (<= (cdr entity) (cdr msg)))
586 (setcar dlist (cons (car entity) (cdr msg)))
588 (setq dlist (cdr dlist)))
590 (setq ret-val (elmo-msgdb-append-element killed-list msg)))))
593 (defun elmo-msgdb-finfo-load ()
594 (elmo-object-load (expand-file-name
595 elmo-msgdb-finfo-filename
597 elmo-mime-charset t))
599 (defun elmo-msgdb-finfo-save (finfo)
600 (elmo-object-save (expand-file-name
601 elmo-msgdb-finfo-filename
603 finfo elmo-mime-charset))
605 (defun elmo-msgdb-flist-load (folder)
606 (let ((flist-file (expand-file-name
607 elmo-msgdb-flist-filename
608 (elmo-msgdb-expand-path folder (list 'folder folder)))))
609 (elmo-object-load flist-file nil t)))
611 (defun elmo-msgdb-flist-save (folder flist)
612 (let ((flist-file (expand-file-name
613 elmo-msgdb-flist-filename
614 (elmo-msgdb-expand-path folder (list 'folder folder)))))
615 (elmo-object-save flist-file flist)))
617 (defun elmo-crosspost-alist-load ()
618 (elmo-object-load (expand-file-name
619 elmo-crosspost-alist-filename
623 (defun elmo-crosspost-alist-save (alist)
624 (elmo-object-save (expand-file-name
625 elmo-crosspost-alist-filename
629 (defsubst elmo-msgdb-create-overview-from-buffer (number &optional size time)
630 "Create overview entity from current buffer.
631 Header region is supposed to be narrowed."
633 (let ((extras elmo-msgdb-extra-fields)
634 message-id references from subject to cc date
636 (elmo-set-buffer-multibyte default-enable-multibyte-characters)
637 (setq message-id (elmo-field-body "message-id"))
639 (or (elmo-msgdb-get-last-message-id
640 (elmo-field-body "in-reply-to"))
641 (elmo-msgdb-get-last-message-id
642 (elmo-field-body "references"))))
643 (setq from (elmo-mime-string (elmo-delete-char
646 (elmo-field-body "from")
648 (setq subject (elmo-mime-string (or (elmo-field-body "subject")
650 (setq date (or (elmo-field-body "date") time))
651 (setq to (mapconcat 'identity (elmo-multiple-field-body "to") ","))
652 (setq cc (mapconcat 'identity (elmo-multiple-field-body "cc") ","))
654 (if (setq size (elmo-field-body "content-length"))
655 (setq size (string-to-int size))
656 (setq size 0)));; No mean...
658 (if (setq field-body (elmo-field-body (car extras)))
659 (setq extra (cons (cons (downcase (car extras))
661 (setq extras (cdr extras)))
662 (cons message-id (vector number references
663 from subject date to cc
667 (defun elmo-msgdb-overview-sort-by-date (overview)
673 (timezone-make-date-sortable
674 (elmo-msgdb-overview-entity-get-date x))
675 (timezone-make-date-sortable
676 (elmo-msgdb-overview-entity-get-date y)))
679 (defun elmo-msgdb-sort-by-date (msgdb)
680 (message "Sorting...")
681 (let ((overview (elmo-msgdb-get-overview msgdb)))
682 (setq overview (elmo-msgdb-overview-sort-by-date overview))
683 (message "Sorting...done.")
684 (list overview (nth 1 msgdb)(nth 2 msgdb)(nth 3 msgdb))))
686 (defsubst elmo-msgdb-search-overview-entity (number number-alist overview)
687 (let ((message-id (cdr (assq number number-alist)))
690 (assoc message-id overview)
691 (elmo-msgdb-overview-get-entity-by-number overview number))))
693 (defsubst elmo-msgdb-append (msgdb msgdb-append)
695 (nconc (car msgdb) (car msgdb-append))
696 (nconc (cadr msgdb) (cadr msgdb-append))
697 (nconc (caddr msgdb) (caddr msgdb-append))
698 (nconc (cadddr msgdb) (cadddr msgdb-append))))
700 (defun elmo-msgdb-delete-path (folder &optional spec)
701 (let ((path (elmo-msgdb-expand-path folder spec)))
702 (if (file-directory-p path)
703 (elmo-delete-directory path t))))
705 (defun elmo-msgdb-rename-path (old-folder new-folder &optional old-spec new-spec)
706 (let* ((old (directory-file-name (elmo-msgdb-expand-path old-folder old-spec)))
707 (new (directory-file-name (elmo-msgdb-expand-path new-folder new-spec)))
708 (new-dir (directory-file-name (file-name-directory new))))
709 (if (not (file-directory-p old))
711 (if (file-exists-p new)
712 (error "already exists directory: %s" new)
713 (if (not (file-exists-p new-dir))
714 (elmo-make-directory new-dir))
715 (rename-file old new)))))
717 (provide 'elmo-msgdb)
719 ;;; elmo-msgdb.el ends here