1 ;;; elmo-msgdb.el -- Message Database for Elmo.
3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
4 ;; Copyright (C) 2000 Masahiro MURATA <muse@ba2.so-net.ne.jp>
6 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
7 ;; Masahiro MURATA <muse@ba2.so-net.ne.jp>
8 ;; Keywords: mail, net news
10 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
12 ;; This program is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; This program is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
34 (eval-when-compile (require 'cl))
40 (defsubst elmo-msgdb-append-element (list element)
42 ;;; (append list (list element))
43 (nconc list (list element))
47 (defsubst elmo-msgdb-get-overview (msgdb)
49 (defsubst elmo-msgdb-get-number-alist (msgdb)
51 (defsubst elmo-msgdb-get-mark-alist (msgdb)
53 ;(defsubst elmo-msgdb-get-location (msgdb)
55 (defsubst elmo-msgdb-get-overviewht (msgdb)
59 ;; number <-> Message-ID handling
61 (defsubst elmo-msgdb-number-add (alist number id)
62 (let ((ret-val alist))
64 (elmo-msgdb-append-element ret-val (cons number id)))
68 ;; parsistent mark handling
71 (defvar elmo-msgdb-global-mark-alist nil)
73 (defun elmo-msgdb-global-mark-delete (msgid)
74 (let* ((path (expand-file-name
75 elmo-msgdb-global-mark-filename
77 (malist (or elmo-msgdb-global-mark-alist
78 (setq elmo-msgdb-global-mark-alist
79 (elmo-object-load path))))
81 (when (setq match (assoc msgid malist))
82 (setq elmo-msgdb-global-mark-alist
83 (delete match elmo-msgdb-global-mark-alist))
84 (elmo-object-save path elmo-msgdb-global-mark-alist))))
86 (defun elmo-msgdb-global-mark-set (msgid mark)
87 (let* ((path (expand-file-name
88 elmo-msgdb-global-mark-filename
90 (malist (or elmo-msgdb-global-mark-alist
91 (setq elmo-msgdb-global-mark-alist
92 (elmo-object-load path))))
94 (if (setq match (assoc msgid malist))
96 (setq elmo-msgdb-global-mark-alist
97 (nconc elmo-msgdb-global-mark-alist
98 (list (cons msgid mark)))))
99 (elmo-object-save path elmo-msgdb-global-mark-alist)))
101 (defun elmo-msgdb-global-mark-get (msgid)
102 (cdr (assoc msgid (or elmo-msgdb-global-mark-alist
103 (setq elmo-msgdb-global-mark-alist
106 elmo-msgdb-global-mark-filename
107 elmo-msgdb-dir)))))))
110 ;; persistent mark handling
112 (defun elmo-msgdb-mark-set (alist id mark)
113 (let ((ret-val alist)
115 (setq entity (assq id alist))
118 ;; delete this entity
119 (setq ret-val (delq entity alist))
121 (setcar (cdr entity) mark))
123 (setq ret-val (elmo-msgdb-append-element ret-val
127 (defun elmo-msgdb-mark-append (alist id mark)
129 (setq alist (elmo-msgdb-append-element alist
132 (defun elmo-msgdb-mark-alist-to-seen-list (number-alist mark-alist seen-marks)
133 "Make seen-list from MARK-ALIST."
134 (let ((seen-mark-list (string-to-char-list seen-marks))
137 (if (setq ent (assq (car (car number-alist)) mark-alist))
139 (memq (string-to-char (cadr ent)) seen-mark-list))
140 (setq ret-val (cons (cdr (car number-alist)) ret-val)))
141 (setq ret-val (cons (cdr (car number-alist)) ret-val)))
142 (setq number-alist (cdr number-alist)))
148 (defvar elmo-msgdb-decoded-cache-hashtb nil)
149 (make-variable-buffer-local 'elmo-msgdb-decoded-cache-hashtb)
151 (defsubst elmo-msgdb-get-decoded-cache (string)
152 (if elmo-use-decoded-cache
153 (let ((hashtb (or elmo-msgdb-decoded-cache-hashtb
154 (setq elmo-msgdb-decoded-cache-hashtb
155 (elmo-make-hash 2048))))
157 (or (elmo-get-hash-val string hashtb)
162 (decode-mime-charset-string string elmo-mime-charset))
165 (decode-mime-charset-string string elmo-mime-charset)))
171 (defsubst elmo-msgdb-get-field-value (field-name beg end buffer)
175 (narrow-to-region beg end)
176 (elmo-field-body field-name))))
178 (defun elmo-multiple-field-body (name &optional boundary)
181 (std11-narrow-to-header boundary)
182 (goto-char (point-min))
183 (let ((case-fold-search t)
185 (while (re-search-forward (concat "^" name ":[ \t]*") nil t)
188 (list (buffer-substring-no-properties
189 (match-end 0) (std11-field-end))))))
192 (defun elmo-multiple-fields-body-list (field-names &optional boundary)
193 "Return list of each field-bodies of FIELD-NAMES of the message header
194 in current buffer. If BOUNDARY is not nil, it is used as message
198 (std11-narrow-to-header boundary)
199 (let* ((case-fold-search t)
201 field-name field-body)
202 (while (setq field-name (car s-rest))
203 (goto-char (point-min))
204 (while (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
207 (list (buffer-substring-no-properties
208 (match-end 0) (std11-field-end))))))
209 (setq s-rest (cdr s-rest)))
212 (defsubst elmo-msgdb-remove-field-string (string)
213 (if (string-match (concat std11-field-head-regexp "[ \t]*") string)
214 (substring string (match-end 0))
217 (defsubst elmo-msgdb-get-last-message-id (string)
223 (goto-char (point-max))
224 (when (search-backward "<" nil t)
226 (if (search-forward ">" nil t)
227 (elmo-replace-in-string
228 (buffer-substring beg (point)) "\n[ \t]*" ""))))))))
230 (defun elmo-msgdb-number-load (dir)
232 (expand-file-name elmo-msgdb-number-filename dir)))
234 (defun elmo-msgdb-overview-load (dir)
236 (expand-file-name elmo-msgdb-overview-filename dir)))
238 (defun elmo-msgdb-mark-load (dir)
240 (expand-file-name elmo-msgdb-mark-filename dir)))
242 (defsubst elmo-msgdb-seen-load (dir)
243 (elmo-object-load (expand-file-name
244 elmo-msgdb-seen-filename
247 (defun elmo-msgdb-number-save (dir obj)
249 (expand-file-name elmo-msgdb-number-filename dir)
252 (defun elmo-msgdb-mark-save (dir obj)
254 (expand-file-name elmo-msgdb-mark-filename dir)
257 (defun elmo-msgdb-change-mark (msgdb before after)
258 "Set the BEFORE marks to AFTER."
259 (let ((mark-alist (elmo-msgdb-get-mark-alist msgdb))
262 (setq entity (car mark-alist))
263 (when (string= (cadr entity) before)
264 (setcar (cdr entity) after))
265 (setq mark-alist (cdr mark-alist)))))
267 (defsubst elmo-msgdb-seen-save (dir obj)
269 (expand-file-name elmo-msgdb-seen-filename dir)
272 (defsubst elmo-msgdb-overview-save (dir overview)
274 (expand-file-name elmo-msgdb-overview-filename dir)
277 (defun elmo-msgdb-search-internal-primitive (condition entity number-list)
278 (let ((key (elmo-filter-key condition))
282 ((string= key "last")
283 (setq result (<= (length (memq
284 (elmo-msgdb-overview-entity-get-number entity)
286 (string-to-int (elmo-filter-value condition)))))
287 ((string= key "first")
291 (elmo-msgdb-overview-entity-get-number entity)
293 (string-to-int (elmo-filter-value condition)))))
294 ((string= key "from")
295 (setq result (string-match
296 (elmo-filter-value condition)
297 (elmo-msgdb-overview-entity-get-from entity))))
298 ((string= key "subject")
299 (setq result (string-match
300 (elmo-filter-value condition)
301 (elmo-msgdb-overview-entity-get-subject entity))))
303 (setq result (string-match
304 (elmo-filter-value condition)
305 (elmo-msgdb-overview-entity-get-to entity))))
307 (setq result (string-match
308 (elmo-filter-value condition)
309 (elmo-msgdb-overview-entity-get-cc entity))))
310 ((or (string= key "since")
311 (string= key "before"))
312 (let ((res (string< (timezone-make-date-sortable
313 (elmo-msgdb-overview-entity-get-date entity))
314 (elmo-date-make-sortable-string
315 (elmo-date-get-datevec
316 (elmo-filter-value condition))))))
317 (setq result (if (string= key "before") res (not res)))))
318 ((member key elmo-msgdb-extra-fields)
319 (let ((extval (elmo-msgdb-overview-entity-get-extra-field entity key)))
321 (setq result (string-match
322 (elmo-filter-value condition)
324 (if (eq (elmo-filter-type condition) 'unmatch)
325 (setq result (not result)))
328 (defun elmo-msgdb-search-internal (condition entity number-list)
331 (elmo-msgdb-search-internal-primitive condition entity number-list))
332 ((eq (car condition) 'and)
333 (and (elmo-msgdb-search-internal-primitive
334 (nth 1 condition) entity number-list)
335 (elmo-msgdb-search-internal-primitive
336 (nth 2 condition) entity number-list)))
337 ((eq (car condition) 'or)
338 (or (elmo-msgdb-search-internal-primitive
339 (nth 1 condition) entity number-list)
340 (elmo-msgdb-search-internal-primitive
341 (nth 2 condition) entity number-list)))))
343 (defun elmo-msgdb-delete-msgs (folder msgs)
344 "Delete MSGS from msgdb for FOLDER.
345 content of MSGDB is changed."
347 (let* ((msgdb (elmo-folder-msgdb-internal folder))
348 (overview (car msgdb))
349 (number-alist (cadr msgdb))
350 (mark-alist (caddr msgdb))
351 (hashtb (elmo-msgdb-get-overviewht msgdb))
352 (newmsgdb (list overview number-alist mark-alist hashtb))
354 ;; remove from current database.
356 ;(setq message-id (cdr (assq (car msg-list) number-alist)))
357 ;(if (and (not reserve-cache) message-id)
358 ; (elmo-cache-delete message-id))
359 ;;; This is no good!!!!
360 ;;; (setq overview (delete (assoc message-id overview) overview))
364 (elmo-msgdb-overview-get-entity (car msgs) newmsgdb))
366 (when (and elmo-use-overview-hashtb hashtb)
367 (elmo-msgdb-clear-overview-hashtb ov-entity hashtb))
369 (delq (assq (car msgs) number-alist) number-alist))
370 (setq mark-alist (delq (assq (car msgs) mark-alist) mark-alist))
371 (setq msgs (cdr msgs)))
372 (elmo-folder-set-message-modified-internal folder t)
373 (setcar msgdb overview)
374 (setcar (cdr msgdb) number-alist)
375 (setcar (cddr msgdb) mark-alist)
376 (setcar (nthcdr 3 msgdb) hashtb))
379 (defsubst elmo-msgdb-set-overview (msgdb overview)
380 (setcar msgdb overview))
382 (defsubst elmo-msgdb-set-number-alist (msgdb number-alist)
383 (setcar (cdr msgdb) number-alist))
385 (defsubst elmo-msgdb-set-mark-alist (msgdb mark-alist)
386 (setcar (cddr msgdb) mark-alist))
388 (defsubst elmo-msgdb-overview-entity-get-references (entity)
389 (and entity (aref (cdr entity) 1)))
391 ;; entity -> parent-entity
392 (defsubst elmo-msgdb-overview-get-parent-entity (entity database)
393 (setq entity (elmo-msgdb-overview-entity-get-references entity))
394 ;; entity is parent-id.
395 (and entity (assoc entity database)))
397 (defsubst elmo-msgdb-overview-entity-get-number (entity)
398 (and entity (aref (cdr entity) 0)))
400 (defsubst elmo-msgdb-overview-entity-get-from-no-decode (entity)
401 (and entity (aref (cdr entity) 2)))
403 (defsubst elmo-msgdb-overview-entity-get-from (entity)
405 (aref (cdr entity) 2)
406 (elmo-msgdb-get-decoded-cache (aref (cdr entity) 2))))
408 (defsubst elmo-msgdb-overview-entity-set-number (entity number)
409 (and entity (aset (cdr entity) 0 number))
411 ;;;(setcar (cadr entity) number) entity)
413 (defsubst elmo-msgdb-overview-entity-set-from (entity from)
414 (and entity (aset (cdr entity) 2 from))
417 (defsubst elmo-msgdb-overview-entity-get-subject (entity)
419 (aref (cdr entity) 3)
420 (elmo-msgdb-get-decoded-cache (aref (cdr entity) 3))))
422 (defsubst elmo-msgdb-overview-entity-get-subject-no-decode (entity)
423 (and entity (aref (cdr entity) 3)))
425 (defsubst elmo-msgdb-overview-entity-set-subject (entity subject)
426 (and entity (aset (cdr entity) 3 subject))
429 (defsubst elmo-msgdb-overview-entity-get-date (entity)
430 (and entity (aref (cdr entity) 4)))
432 (defsubst elmo-msgdb-overview-entity-get-to (entity)
433 (and entity (aref (cdr entity) 5)))
435 (defsubst elmo-msgdb-overview-entity-get-cc (entity)
436 (and entity (aref (cdr entity) 6)))
438 (defsubst elmo-msgdb-overview-entity-get-size (entity)
439 (and entity (aref (cdr entity) 7)))
441 (defsubst elmo-msgdb-overview-entity-set-size (entity size)
442 (and entity (aset (cdr entity) 7 size))
445 (defsubst elmo-msgdb-overview-entity-get-id (entity)
446 (and entity (car entity)))
448 (defsubst elmo-msgdb-overview-entity-get-extra-field (entity field-name)
449 (let ((extra (and entity (aref (cdr entity) 8))))
451 (cdr (assoc field-name extra)))))
453 (defun elmo-msgdb-overview-get-entity-by-number (database number)
458 (if (eq (elmo-msgdb-overview-entity-get-number (car db)) number)
459 (setq entity (car db)
464 (defun elmo-msgdb-overview-get-entity (id msgdb)
466 (let ((ovht (elmo-msgdb-get-overviewht msgdb)))
467 (if ovht ;; use overview hash
468 (if (stringp id) ;; ID is message-id
469 (elmo-get-hash-val id ovht)
470 (elmo-get-hash-val (format "#%d" id) ovht))
471 (let* ((overview (elmo-msgdb-get-overview msgdb))
472 (number-alist (elmo-msgdb-get-number-alist msgdb))
473 (message-id (if (stringp id)
474 id ;; ID is message-id
475 (cdr (assq id number-alist))))
478 (assoc message-id overview)
479 ;; ID is number. message-id is nil or no exists in number-alist.
480 (elmo-msgdb-overview-get-entity-by-number overview id)))))))
483 ;; deleted message handling
485 (defun elmo-msgdb-killed-list-load (dir)
487 (expand-file-name elmo-msgdb-killed-filename dir)
490 (defun elmo-msgdb-killed-list-save (dir killed-list)
492 (expand-file-name elmo-msgdb-killed-filename dir)
495 (defun elmo-msgdb-killed-message-p (killed-list msg)
496 (elmo-number-set-member msg killed-list))
498 (defun elmo-msgdb-set-as-killed (killed-list msg)
499 (elmo-number-set-append killed-list msg))
501 (defun elmo-msgdb-append-to-killed-list (folder msgs)
502 (elmo-folder-set-killed-list-internal
504 (elmo-number-set-append-list
505 (elmo-folder-killed-list-internal folder)
508 (defun elmo-msgdb-killed-list-length (killed-list)
509 (let ((killed killed-list)
512 (if (consp (car killed))
513 (setq ret-val (+ ret-val 1 (- (cdar killed) (caar killed))))
514 (setq ret-val (+ ret-val 1)))
515 (setq killed (cdr killed)))
518 (defun elmo-msgdb-max-of-killed (killed-list)
519 (let ((klist killed-list)
525 (if (consp (car klist))
529 (setq klist (cdr klist)))
532 (defun elmo-living-messages (messages killed-list)
535 (mapcar (lambda (number)
536 (unless (elmo-number-set-member number killed-list)
541 (defun elmo-msgdb-finfo-load ()
542 (elmo-object-load (expand-file-name
543 elmo-msgdb-finfo-filename
545 elmo-mime-charset t))
547 (defun elmo-msgdb-finfo-save (finfo)
548 (elmo-object-save (expand-file-name
549 elmo-msgdb-finfo-filename
551 finfo elmo-mime-charset))
553 (defun elmo-msgdb-flist-load (fname)
554 (let ((flist-file (expand-file-name
555 elmo-msgdb-flist-filename
557 (elmo-safe-filename fname)
558 (expand-file-name "folder" elmo-msgdb-dir)))))
559 (elmo-object-load flist-file nil t)))
561 (defun elmo-msgdb-flist-save (fname flist)
562 (let ((flist-file (expand-file-name
563 elmo-msgdb-flist-filename
565 (elmo-safe-filename fname)
566 (expand-file-name "folder" elmo-msgdb-dir)))))
567 (elmo-object-save flist-file flist)))
569 (defun elmo-crosspost-alist-load ()
570 (elmo-object-load (expand-file-name
571 elmo-crosspost-alist-filename
575 (defun elmo-crosspost-alist-save (alist)
576 (elmo-object-save (expand-file-name
577 elmo-crosspost-alist-filename
581 (defun elmo-msgdb-add-msgs-to-seen-list (msgs msgdb unread-marks seen-list)
583 (let* ((number-alist (elmo-msgdb-get-number-alist msgdb))
584 (mark-alist (elmo-msgdb-get-mark-alist msgdb))
587 (if (setq ent (assq (car msgs) mark-alist))
588 (unless (member (cadr ent) unread-marks) ;; not unread mark
590 (cons (cdr (assq (car msgs) number-alist)) seen-list)))
591 ;; no mark ... seen...
593 (cons (cdr (assq (car msgs) number-alist)) seen-list)))
594 (setq msgs (cdr msgs)))
597 (defun elmo-msgdb-get-message-id-from-buffer ()
598 (or (elmo-field-body "message-id")
599 ;; no message-id, so put dummy msgid.
600 (concat (timezone-make-date-sortable
601 (elmo-field-body "date"))
602 (nth 1 (eword-extract-address-components
603 (or (elmo-field-body "from") "nobody"))))))
605 (defsubst elmo-msgdb-create-overview-from-buffer (number &optional size time)
606 "Create overview entity from current buffer.
607 Header region is supposed to be narrowed."
609 (let ((extras elmo-msgdb-extra-fields)
610 message-id references from subject to cc date
612 (elmo-set-buffer-multibyte default-enable-multibyte-characters)
613 (setq message-id (elmo-msgdb-get-message-id-from-buffer))
615 (or (elmo-msgdb-get-last-message-id
616 (elmo-field-body "in-reply-to"))
617 (elmo-msgdb-get-last-message-id
618 (elmo-field-body "references"))))
619 (setq from (elmo-mime-string (elmo-delete-char
622 (elmo-field-body "from")
624 (setq subject (elmo-mime-string (or (elmo-field-body "subject")
626 (setq date (or (elmo-field-body "date") time))
627 (setq to (mapconcat 'identity (elmo-multiple-field-body "to") ","))
628 (setq cc (mapconcat 'identity (elmo-multiple-field-body "cc") ","))
630 (if (setq size (elmo-field-body "content-length"))
631 (setq size (string-to-int size))
632 (setq size 0)));; No mean...
634 (if (setq field-body (elmo-field-body (car extras)))
635 (setq extra (cons (cons (downcase (car extras))
637 (setq extras (cdr extras)))
638 (cons message-id (vector number references
639 from subject date to cc
643 (defun elmo-msgdb-copy-overview-entity (entity)
645 (copy-sequence (cdr entity))))
647 (static-if (boundp 'nemacs-version)
648 (defsubst elmo-msgdb-insert-file-header (file)
649 "Insert the header of the article (Does not work on nemacs)."
650 (as-binary-input-file
651 (insert-file-contents file)))
652 (defsubst elmo-msgdb-insert-file-header (file)
653 "Insert the header of the article."
655 insert-file-contents-pre-hook ; To avoid autoconv-xmas...
656 insert-file-contents-post-hook
658 (when (file-exists-p file)
659 ;; Read until header separator is found.
660 (while (and (eq elmo-msgdb-file-header-chop-length
662 (insert-file-contents-as-binary
664 (incf beg elmo-msgdb-file-header-chop-length)))))
665 (prog1 (not (search-forward "\n\n" nil t))
666 (goto-char (point-max))))))))
668 (defsubst elmo-msgdb-create-overview-entity-from-file (number file)
669 (let (insert-file-contents-pre-hook ; To avoid autoconv-xmas...
670 insert-file-contents-post-hook header-end
671 (attrib (file-attributes file))
674 (if (not (file-exists-p file))
676 (setq size (nth 7 attrib))
677 (setq mtime (timezone-make-date-arpa-standard
678 (current-time-string (nth 5 attrib)) (current-time-zone)))
679 ;; insert header from file.
682 (elmo-msgdb-insert-file-header file)
683 (error (throw 'done nil)))
684 (goto-char (point-min))
686 (if (re-search-forward "\\(^--.*$\\)\\|\\(\n\n\\)" nil t)
689 (narrow-to-region (point-min) header-end)
690 (elmo-msgdb-create-overview-from-buffer number size mtime))))))
692 (defun elmo-msgdb-overview-sort-by-date (overview)
698 (timezone-make-date-sortable
699 (elmo-msgdb-overview-entity-get-date x))
700 (timezone-make-date-sortable
701 (elmo-msgdb-overview-entity-get-date y)))
704 (defun elmo-msgdb-sort-by-date (msgdb)
705 (message "Sorting...")
706 (let ((overview (elmo-msgdb-get-overview msgdb)))
707 (setq overview (elmo-msgdb-overview-sort-by-date overview))
708 (message "Sorting...done")
709 (list overview (nth 1 msgdb)(nth 2 msgdb))))
711 (defun elmo-msgdb-clear-overview-hashtb (entity hashtb)
714 elmo-use-overview-hashtb
716 (and (setq number (elmo-msgdb-overview-entity-get-number entity))
717 (elmo-clear-hash-val (format "#%d" number) hashtb))
718 (and (car entity) ;; message-id
719 (elmo-clear-hash-val (car entity) hashtb)))))
721 (defun elmo-msgdb-make-overview-hashtb (overview &optional hashtb)
722 (if elmo-use-overview-hashtb
723 (let ((hashtb (or hashtb ;; append
724 (elmo-make-hash (length overview)))))
728 (elmo-set-hash-val (caar overview) (car overview) hashtb))
731 (format "#%d" (elmo-msgdb-overview-entity-get-number (car overview)))
732 (car overview) hashtb)
733 (setq overview (cdr overview)))
737 (defsubst elmo-msgdb-append (msgdb msgdb-append &optional set-hash)
739 (nconc (car msgdb) (car msgdb-append))
740 (nconc (cadr msgdb) (cadr msgdb-append))
741 (nconc (caddr msgdb) (caddr msgdb-append))
743 (elmo-msgdb-make-overview-hashtb (car msgdb-append) (nth 3 msgdb)))))
745 (defsubst elmo-msgdb-clear (&optional msgdb)
749 (setcar (cdr msgdb) nil)
750 (setcar (cddr msgdb) nil)
751 (setcar (nthcdr 3 msgdb) (elmo-msgdb-make-overview-hashtb nil)))
752 (list nil nil nil (elmo-msgdb-make-overview-hashtb nil))))
754 (defsubst elmo-folder-get-info (folder &optional hashtb)
755 (elmo-get-hash-val folder
756 (or hashtb elmo-folder-info-hashtb)))
758 (defun elmo-folder-set-info-hashtb (folder max numbers &optional new unread)
759 (let ((info (elmo-folder-get-info folder)))
761 (or new (setq new (nth 0 info)))
762 (or unread (setq unread (nth 1 info)))
763 (or numbers (setq numbers (nth 2 info)))
764 (or max (setq max (nth 3 info))))
765 (elmo-set-hash-val folder
766 (list new unread numbers max)
767 elmo-folder-info-hashtb)))
769 (defun elmo-folder-set-info-max-by-numdb (folder msgdb-number)
770 (let ((num-db (sort (mapcar 'car msgdb-number) '<)))
771 (elmo-folder-set-info-hashtb
773 (or (nth (max 0 (1- (length num-db))) num-db) 0)
774 nil ;;(length num-db)
777 (defun elmo-folder-get-info-max (folder)
778 "Get folder info from cache."
779 (nth 3 (elmo-folder-get-info folder)))
781 (defun elmo-folder-get-info-length (folder)
782 (nth 2 (elmo-folder-get-info folder)))
784 (defun elmo-folder-get-info-unread (folder)
785 (nth 1 (elmo-folder-get-info folder)))
787 (defun elmo-folder-info-make-hashtb (info-alist hashtb)
788 (let* ((hashtb (or hashtb
789 (elmo-make-hash (length info-alist)))))
792 (let ((info (cadr x)))
793 (and (intern-soft (car x) hashtb)
794 (elmo-set-hash-val (car x)
795 (list (nth 2 info) ;; new
796 (nth 3 info) ;; unread
797 (nth 1 info) ;; length
801 (setq elmo-folder-info-hashtb hashtb)))
803 (defsubst elmo-msgdb-location-load (dir)
806 elmo-msgdb-location-filename
809 (defsubst elmo-msgdb-location-add (alist number location)
810 (let ((ret-val alist))
812 (elmo-msgdb-append-element ret-val (cons number location)))
815 (defsubst elmo-msgdb-location-save (dir alist)
818 elmo-msgdb-location-filename
822 (product-provide (provide 'elmo-msgdb) (require 'elmo-version))
824 ;;; elmo-msgdb.el ends here