1 ;;; elmo-filter.el --- Filtered Folder Interface for ELMO.
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.
33 ;;; ELMO filter folder
35 (luna-define-class elmo-filter-folder (elmo-folder)
36 (condition target require-msgdb))
37 (luna-define-internal-accessors 'elmo-filter-folder))
39 (luna-define-method elmo-folder-initialize ((folder elmo-filter-folder)
42 (setq pair (elmo-parse-search-condition name))
43 (elmo-filter-folder-set-condition-internal folder
45 (if (string-match "^ */\\(.*\\)$" (cdr pair))
46 (elmo-filter-folder-set-target-internal
48 (elmo-make-folder (elmo-match-string 1 (cdr pair))))
49 (error "Folder syntax error `%s'" (elmo-folder-name-internal folder)))
50 (elmo-filter-folder-set-require-msgdb-internal
52 (elmo-folder-search-requires-msgdb-p
53 (elmo-filter-folder-target-internal folder)
54 (elmo-filter-folder-condition-internal folder)))
57 (luna-define-method elmo-folder-open-internal ((folder elmo-filter-folder))
58 (elmo-folder-open-internal (elmo-filter-folder-target-internal folder)))
60 (luna-define-method elmo-folder-msgdb :around ((folder elmo-filter-folder))
61 ;; Load target's msgdb if required.
62 (if (elmo-filter-folder-require-msgdb-internal folder)
63 (elmo-folder-msgdb (elmo-filter-folder-target-internal folder)))
64 ;; Load msgdb of itself.
65 (luna-call-next-method))
67 (luna-define-method elmo-folder-check ((folder elmo-filter-folder))
68 (if (elmo-filter-folder-require-msgdb-internal folder)
69 (elmo-folder-synchronize (elmo-filter-folder-target-internal folder))))
71 (luna-define-method elmo-folder-close-internal ((folder elmo-filter-folder))
72 (elmo-folder-close-internal (elmo-filter-folder-target-internal folder)))
74 (luna-define-method elmo-folder-close :after ((folder elmo-filter-folder))
75 ;; Clear target msgdb if it is used.
76 (if (elmo-filter-folder-require-msgdb-internal folder)
77 (elmo-folder-set-msgdb-internal (elmo-filter-folder-target-internal
80 (luna-define-method elmo-folder-set-message-modified ((folder
83 (if (elmo-filter-folder-require-msgdb-internal folder)
84 (elmo-folder-set-message-modified-internal
85 (elmo-filter-folder-target-internal folder) modified)
86 (elmo-folder-set-message-modified-internal folder modified)))
88 (luna-define-method elmo-folder-commit :around ((folder elmo-filter-folder))
89 ;; Save target msgdb if it is used.
90 (if (elmo-filter-folder-require-msgdb-internal folder)
91 (elmo-folder-commit (elmo-filter-folder-target-internal folder)))
92 (luna-call-next-method))
94 (luna-define-method elmo-folder-expand-msgdb-path ((folder
97 (elmo-replace-string-as-filename (elmo-folder-name-internal folder))
98 (expand-file-name "filter" elmo-msgdb-directory)))
100 (luna-define-method elmo-folder-newsgroups ((folder elmo-filter-folder))
101 (elmo-folder-newsgroups (elmo-filter-folder-target-internal folder)))
103 (luna-define-method elmo-find-fetch-strategy
104 ((folder elmo-filter-folder) entity &optional ignore-cache)
105 (elmo-find-fetch-strategy
106 (elmo-filter-folder-target-internal folder)
107 entity ignore-cache))
109 (luna-define-method elmo-folder-get-primitive-list ((folder
111 (list (elmo-filter-folder-target-internal folder)))
113 (luna-define-method elmo-folder-contains-type ((folder elmo-filter-folder)
115 (elmo-folder-contains-type
116 (elmo-filter-folder-target-internal folder)
119 (luna-define-method elmo-folder-msgdb-create ((folder elmo-filter-folder)
121 (if (elmo-filter-folder-require-msgdb-internal folder)
122 (let* ((target-folder (elmo-filter-folder-target-internal folder))
123 (len (length numlist))
124 (msgdb (elmo-folder-msgdb target-folder))
125 (new-msgdb (elmo-make-msgdb))
127 (when (> len elmo-display-progress-threshold)
128 (elmo-progress-set 'elmo-folder-msgdb-create
129 len "Creating msgdb..."))
131 (dolist (number numlist)
132 (setq entity (elmo-msgdb-message-entity msgdb number))
134 (elmo-msgdb-append-entity new-msgdb entity
135 (elmo-msgdb-flags msgdb number)))
136 (elmo-progress-notify 'elmo-folder-msgdb-create))
137 (elmo-progress-clear 'elmo-folder-msgdb-create))
139 ;; Does not require msgdb.
140 (elmo-folder-msgdb-create
141 (elmo-filter-folder-target-internal folder)
142 numlist flag-table)))
144 (luna-define-method elmo-folder-append-buffer ((folder elmo-filter-folder)
145 &optional flag number)
146 (elmo-folder-append-buffer
147 (elmo-filter-folder-target-internal folder)
150 (luna-define-method elmo-message-fetch ((folder elmo-filter-folder)
152 &optional section outbuf unseen)
154 (elmo-filter-folder-target-internal folder)
155 number strategy section outbuf unseen))
157 (luna-define-method elmo-folder-delete-messages ((folder elmo-filter-folder)
159 (elmo-folder-delete-messages
160 (elmo-filter-folder-target-internal folder) numbers))
162 (luna-define-method elmo-folder-list-messages-internal
163 ((folder elmo-filter-folder) &optional nohide)
164 (let ((target (elmo-filter-folder-target-internal folder)))
165 (if (or (elmo-folder-plugged-p target)
166 (not (elmo-folder-persistent-p folder)))
167 ;; search target folder
170 (elmo-filter-folder-condition-internal folder))
174 (defsubst elmo-filter-folder-list-unreads (folder)
176 (elmo-folder-list-messages folder nil 'in-msgdb)
177 (elmo-folder-list-unreads
178 (elmo-filter-folder-target-internal folder))))
180 (luna-define-method elmo-folder-list-unreads :around ((folder
182 (if (elmo-filter-folder-require-msgdb-internal folder)
183 (elmo-filter-folder-list-unreads folder)
184 (luna-call-next-method)))
186 (defsubst elmo-filter-folder-list-importants (folder)
188 (elmo-folder-list-messages folder nil 'in-msgdb)
189 (elmo-folder-list-importants
190 (elmo-filter-folder-target-internal folder))))
192 (luna-define-method elmo-folder-list-importants :around ((folder
194 (if (elmo-filter-folder-require-msgdb-internal folder)
195 (elmo-filter-folder-list-importants folder)
196 (luna-call-next-method)))
198 (luna-define-method elmo-folder-list-subfolders ((folder elmo-filter-folder)
200 (let* ((target (elmo-filter-folder-target-internal folder))
201 (prefix (and (string-match
204 (elmo-folder-name-internal
207 (elmo-folder-name-internal folder))
208 (match-string 1 (elmo-folder-name-internal
210 (elmo-mapcar-list-of-list
211 (lambda (x) (concat prefix x))
212 (elmo-folder-list-subfolders target one-level))))
214 (luna-define-method elmo-folder-diff :around ((folder elmo-filter-folder))
215 (let ((condition (elmo-filter-folder-condition-internal folder))
217 (if (vectorp condition)
219 ((and (string= (elmo-filter-key condition) "flag")
220 (or (string= (elmo-filter-value condition) "any")
221 (string= (elmo-filter-value condition) "digest")
222 (string= (elmo-filter-value condition) "unread")))
223 (setq diff (elmo-folder-diff (elmo-filter-folder-target-internal
226 (cons (car diff) (car diff))
227 (cons (car diff) (nth 1 diff))))
228 ((string= "last" (elmo-filter-key condition))
229 (luna-call-next-method))
231 (cons nil (cdr (elmo-folder-diff (elmo-filter-folder-target-internal
233 (luna-call-next-method))))
235 (luna-define-method elmo-folder-status ((folder elmo-filter-folder))
237 (elmo-filter-folder-target-internal folder)))
239 (luna-define-method elmo-folder-exists-p ((folder elmo-filter-folder))
240 (elmo-folder-exists-p (elmo-filter-folder-target-internal folder)))
242 (luna-define-method elmo-folder-creatable-p ((folder elmo-filter-folder))
243 (elmo-folder-creatable-p (elmo-filter-folder-target-internal folder)))
245 (luna-define-method elmo-folder-writable-p ((folder elmo-filter-folder))
246 (elmo-folder-writable-p (elmo-filter-folder-target-internal folder)))
248 (luna-define-method elmo-folder-create ((folder elmo-filter-folder))
249 (elmo-folder-create (elmo-filter-folder-target-internal folder)))
251 (luna-define-method elmo-folder-search ((folder elmo-filter-folder)
252 condition &optional numbers)
253 ;; search from messages in this folder
256 (elmo-folder-search (elmo-filter-folder-target-internal folder)
258 (elmo-folder-list-messages folder))))
260 (luna-define-method elmo-message-use-cache-p ((folder elmo-filter-folder)
262 (elmo-message-use-cache-p (elmo-filter-folder-target-internal folder)
265 (luna-define-method elmo-folder-message-file-p ((folder elmo-filter-folder))
266 (elmo-folder-message-file-p (elmo-filter-folder-target-internal folder)))
268 (luna-define-method elmo-folder-plugged-p ((folder elmo-filter-folder))
269 (elmo-folder-plugged-p (elmo-filter-folder-target-internal folder)))
271 (luna-define-method elmo-folder-set-plugged ((folder elmo-filter-folder)
272 plugged &optional add)
273 (elmo-folder-set-plugged (elmo-filter-folder-target-internal folder)
276 (luna-define-method elmo-message-file-name ((folder elmo-filter-folder)
278 (elmo-message-file-name (elmo-filter-folder-target-internal folder)
281 (luna-define-method elmo-folder-mark-as-read :around ((folder
284 &optional ignore-flag)
285 (elmo-folder-mark-as-read (elmo-filter-folder-target-internal folder)
287 (luna-call-next-method))
289 (luna-define-method elmo-folder-unmark-read :around ((folder
292 &optional ignore-flag)
293 (elmo-folder-unmark-read (elmo-filter-folder-target-internal folder)
295 (luna-call-next-method))
297 (luna-define-method elmo-folder-mark-as-important :around ((folder
302 (elmo-folder-mark-as-important (elmo-filter-folder-target-internal folder)
304 (luna-call-next-method))
306 (luna-define-method elmo-folder-unmark-important :around ((folder
311 (elmo-folder-unmark-important (elmo-filter-folder-target-internal folder)
313 (luna-call-next-method))
315 (luna-define-method elmo-folder-mark-as-answered :around ((folder
318 (elmo-folder-mark-as-answered (elmo-filter-folder-target-internal folder)
320 (luna-call-next-method))
323 (luna-define-method elmo-folder-unmark-answered :around ((folder
326 (elmo-folder-unmark-answered (elmo-filter-folder-target-internal folder)
328 (luna-call-next-method))
331 (product-provide (provide 'elmo-filter) (require 'elmo-version))
333 ;;; elmo-filter.el ends here