elmo/elmo-filter.el

   1 ;;; elmo-filter.el --- Filtered Folder Interface for ELMO.
   2
   3 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
   4
   5 ;; Author: Yuuichi Teranishi <teranisi@gohome.org>
   6 ;; Keywords: mail, net news
   7
   8 ;; This file is part of ELMO (Elisp Library for Message Orchestration).
   9
  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)
  13 ;; any later version.
  14 ;;
  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.
  19 ;;
  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.
  24 ;;
  25
  26 ;;; Commentary:
  27 ;;
  28
  29 ;;; Code:
  30 ;;
  31 (require 'elmo)
  32
  33 ;;; ELMO filter folder
  34 (eval-and-compile
  35   (luna-define-class elmo-filter-folder (elmo-folder)
  36                      (condition target))
  37   (luna-define-internal-accessors 'elmo-filter-folder))
  38
  39 (luna-define-method elmo-folder-initialize ((folder elmo-filter-folder)
  40                                             name)
  41   (let (pair)
  42     (setq pair (elmo-parse-search-condition name))
  43     (elmo-filter-folder-set-condition-internal folder
  44                                                (car pair))
  45     (if (string-match "^ */\\(.*\\)$" (cdr pair))
  46         (elmo-filter-folder-set-target-internal
  47          folder
  48          (elmo-make-folder (elmo-match-string 1 (cdr pair))))
  49       (error "Folder syntax error `%s'" (elmo-folder-name-internal folder)))
  50     folder))
  51
  52 (luna-define-method elmo-folder-open-internal ((folder elmo-filter-folder))
  53   (elmo-folder-open-internal (elmo-filter-folder-target-internal folder)))
  54
  55 (luna-define-method elmo-folder-check ((folder elmo-filter-folder))
  56   (elmo-folder-check (elmo-filter-folder-target-internal folder)))
  57
  58 (luna-define-method elmo-folder-close-internal ((folder elmo-filter-folder))
  59   (elmo-folder-close-internal (elmo-filter-folder-target-internal folder)))
  60
  61 (luna-define-method elmo-folder-expand-msgdb-path ((folder
  62                                                     elmo-filter-folder))
  63   (expand-file-name
  64    (elmo-replace-string-as-filename (elmo-folder-name-internal folder))
  65    (expand-file-name "filter" elmo-msgdb-dir)))
  66
  67 (luna-define-method elmo-folder-newsgroups ((folder elmo-filter-folder))
  68   (elmo-folder-newsgroups (elmo-filter-folder-target-internal folder)))
  69
  70 (luna-define-method elmo-find-fetch-strategy
  71   ((folder elmo-filter-folder) entity &optional ignore-cache)
  72   (elmo-find-fetch-strategy
  73    (elmo-filter-folder-target-internal folder)
  74    entity ignore-cache))
  75
  76 (luna-define-method elmo-folder-get-primitive-list ((folder
  77                                                      elmo-filter-folder))
  78   (list (elmo-filter-folder-target-internal folder)))
  79
  80 (luna-define-method elmo-folder-contains-type ((folder elmo-filter-folder)
  81                                                type)
  82   (elmo-folder-contains-type
  83    (elmo-filter-folder-target-internal folder)
  84    type))
  85
  86 (luna-define-method elmo-folder-msgdb-create ((folder elmo-filter-folder)
  87                                               numlist new-mark already-mark
  88                                               seen-mark important-mark
  89                                               seen-list)
  90   (elmo-folder-msgdb-create (elmo-filter-folder-target-internal folder)
  91                             numlist
  92                             new-mark
  93                             already-mark
  94                             seen-mark important-mark seen-list))
  95
  96 (luna-define-method elmo-folder-append-buffer ((folder elmo-filter-folder)
  97                                                unread &optional number)
  98   (elmo-folder-append-buffer
  99    (elmo-filter-folder-target-internal folder)
 100    unread number))
 101
 102 (luna-define-method elmo-message-fetch ((folder elmo-filter-folder)
 103                                         number strategy
 104                                         &optional section outbuf unseen)
 105   (elmo-message-fetch
 106    (elmo-filter-folder-target-internal folder)
 107    number strategy section outbuf unseen))
 108
 109 (luna-define-method elmo-folder-delete-messages ((folder elmo-filter-folder)
 110                                                  numbers)
 111   (elmo-folder-delete-messages
 112    (elmo-filter-folder-target-internal folder) numbers))
 113
 114 (luna-define-method elmo-folder-list-messages-internal
 115   ((folder elmo-filter-folder) &optional nohide)
 116   (elmo-folder-search (elmo-filter-folder-target-internal folder)
 117                       (elmo-filter-folder-condition-internal folder)))
 118
 119 (defsubst elmo-filter-folder-list-unreads-internal (folder unread-marks
 120                                                            mark-alist)
 121   (let ((unreads (elmo-folder-list-unreads-internal
 122                   (elmo-filter-folder-target-internal folder)
 123                   unread-marks mark-alist)))
 124     (unless (listp unreads)
 125       (setq unreads
 126             (delq nil
 127                   (mapcar
 128                    (function
 129                     (lambda (x)
 130                       (if (member (cadr x) unread-marks)
 131                           (car x))))
 132                    (elmo-msgdb-get-mark-alist (elmo-folder-msgdb folder))))))
 133     (elmo-list-filter
 134      (mapcar 'car (elmo-msgdb-get-number-alist
 135                    (elmo-folder-msgdb folder)))
 136      unreads)))
 137
 138 (luna-define-method elmo-folder-list-unreads-internal
 139   ((folder elmo-filter-folder)
 140    unread-marks &optional mark-alist)
 141   (elmo-filter-folder-list-unreads-internal folder unread-marks mark-alist))
 142
 143 (defsubst elmo-filter-folder-list-importants-internal (folder important-mark)
 144   (let ((importants (elmo-folder-list-importants-internal
 145                      (elmo-filter-folder-target-internal folder)
 146                      important-mark)))
 147     (if (listp importants)
 148         (elmo-list-filter
 149          (mapcar 'car (elmo-msgdb-get-number-alist
 150                        (elmo-folder-msgdb folder)))
 151          importants)
 152       t)))
 153
 154 (luna-define-method elmo-folder-list-importants-internal
 155   ((folder elmo-filter-folder)
 156    important-mark)
 157   (elmo-filter-folder-list-importants-internal folder important-mark))
 158
 159 (luna-define-method elmo-folder-list-subfolders ((folder elmo-filter-folder)
 160                                                  &optional one-level)
 161   (let* ((target (elmo-filter-folder-target-internal folder))
 162          (prefix (and (string-match
 163                        (concat "^\\(.*\\)"
 164                                (regexp-quote
 165                                 (elmo-folder-name-internal
 166                                  target))
 167                                "$")
 168                        (elmo-folder-name-internal folder))
 169                       (match-string 1 (elmo-folder-name-internal
 170                                        folder)))))
 171     (elmo-mapcar-list-of-list
 172      (lambda (x) (concat prefix x))
 173      (elmo-folder-list-subfolders target one-level))))
 174
 175 (luna-define-method elmo-folder-diff :around ((folder elmo-filter-folder)
 176                                               &optional numbers)
 177   (if (not (and (vectorp (elmo-filter-folder-condition-internal
 178                           folder))
 179                 (string-match "^last$"
 180                               (elmo-filter-key
 181                                (elmo-filter-folder-condition-internal
 182                                 folder)))))
 183       (cons nil (cdr (elmo-folder-diff (elmo-filter-folder-target-internal
 184                                         folder))))
 185     (luna-call-next-method)))
 186
 187 (luna-define-method elmo-folder-status ((folder elmo-filter-folder))
 188   (elmo-folder-status
 189    (elmo-filter-folder-target-internal folder)))
 190
 191 (luna-define-method elmo-folder-exists-p ((folder elmo-filter-folder))
 192   (elmo-folder-exists-p (elmo-filter-folder-target-internal folder)))
 193
 194 (luna-define-method elmo-folder-creatable-p ((folder elmo-filter-folder))
 195   (elmo-folder-creatable-p (elmo-filter-folder-target-internal folder)))
 196
 197 (luna-define-method elmo-folder-writable-p ((folder elmo-filter-folder))
 198   (elmo-folder-writable-p (elmo-filter-folder-target-internal folder)))
 199
 200 (luna-define-method elmo-folder-create ((folder elmo-filter-folder))
 201   (elmo-folder-create (elmo-filter-folder-target-internal folder)))
 202
 203 (luna-define-method elmo-folder-search ((folder elmo-filter-folder)
 204                                         condition &optional numbers)
 205   ;; search from messages in this folder
 206   (elmo-list-filter
 207    numbers
 208    (elmo-folder-search (elmo-filter-folder-target-internal folder)
 209                        condition
 210                        (elmo-folder-list-messages folder))))
 211
 212 (luna-define-method elmo-message-use-cache-p ((folder elmo-filter-folder)
 213                                               number)
 214   (elmo-message-use-cache-p (elmo-filter-folder-target-internal folder)
 215                             number))
 216
 217 (luna-define-method elmo-folder-message-file-p ((folder elmo-filter-folder))
 218   (elmo-folder-message-file-p (elmo-filter-folder-target-internal folder)))
 219
 220 (luna-define-method elmo-folder-plugged-p ((folder elmo-filter-folder))
 221   (elmo-folder-plugged-p (elmo-filter-folder-target-internal folder)))
 222
 223 (luna-define-method elmo-folder-set-plugged ((folder elmo-filter-folder)
 224                                              plugged &optional add)
 225   (elmo-folder-set-plugged (elmo-filter-folder-target-internal folder)
 226                            plugged add))
 227
 228 (luna-define-method elmo-message-file-name ((folder elmo-filter-folder)
 229                                             number)
 230   (elmo-message-file-name (elmo-filter-folder-target-internal folder)
 231                           number))
 232
 233 (luna-define-method elmo-folder-mark-as-read ((folder elmo-filter-folder)
 234                                               numbers)
 235   (elmo-folder-mark-as-read (elmo-filter-folder-target-internal folder)
 236                             numbers))
 237
 238 (luna-define-method elmo-folder-unmark-read ((folder elmo-filter-folder)
 239                                               numbers)
 240   (elmo-folder-unmark-read (elmo-filter-folder-target-internal folder)
 241                            numbers))
 242
 243 (luna-define-method elmo-folder-mark-as-important ((folder elmo-filter-folder)
 244                                                    numbers)
 245   (elmo-folder-mark-as-important (elmo-filter-folder-target-internal folder)
 246                                  numbers))
 247
 248 (luna-define-method elmo-folder-unmark-important ((folder elmo-filter-folder)
 249                                                   numbers)
 250   (elmo-folder-unmark-important (elmo-filter-folder-target-internal folder)
 251                                 numbers))
 252
 253
 254 (require 'product)
 255 (product-provide (provide 'elmo-filter) (require 'elmo-version))
 256
 257 ;;; elmo-filter.el ends here