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-find-fetch-strategy
  68   ((folder elmo-filter-folder) entity &optional ignore-cache)
  69   (elmo-find-fetch-strategy
  70    (elmo-filter-folder-target-internal folder)
  71    entity ignore-cache))
  72
  73 (luna-define-method elmo-folder-get-primitive-list ((folder
  74                                                      elmo-filter-folder))
  75   (list (elmo-filter-folder-target-internal folder)))
  76
  77 (luna-define-method elmo-folder-contains-type ((folder elmo-filter-folder)
  78                                                type)
  79   (elmo-folder-contains-type
  80    (elmo-filter-folder-target-internal folder)
  81    type))
  82
  83 (luna-define-method elmo-folder-msgdb-create ((folder elmo-filter-folder)
  84                                               numlist new-mark already-mark
  85                                               seen-mark important-mark
  86                                               seen-list)
  87   (elmo-folder-msgdb-create (elmo-filter-folder-target-internal folder)
  88                             numlist
  89                             new-mark
  90                             already-mark
  91                             seen-mark important-mark seen-list))
  92
  93 (luna-define-method elmo-folder-append-buffer ((folder elmo-filter-folder)
  94                                                unread &optional number)
  95   (elmo-folder-append-buffer
  96    (elmo-filter-folder-target-internal folder)
  97    unread number))
  98
  99 (luna-define-method elmo-message-fetch ((folder elmo-filter-folder)
 100                                         number strategy
 101                                         &optional section outbuf unseen)
 102   (elmo-message-fetch
 103    (elmo-filter-folder-target-internal folder)
 104    number strategy section outbuf unseen))
 105
 106 (luna-define-method elmo-folder-delete-messages ((folder elmo-filter-folder)
 107                                                  numbers)
 108   (elmo-folder-delete-messages
 109    (elmo-filter-folder-target-internal folder) numbers))
 110
 111 (luna-define-method elmo-folder-list-messages-internal
 112   ((folder elmo-filter-folder) &optional nohide)
 113   (elmo-folder-search (elmo-filter-folder-target-internal folder)
 114                       (elmo-filter-folder-condition-internal folder)))
 115
 116 (defsubst elmo-filter-folder-list-unreads-internal (folder unread-marks
 117                                                            mark-alist)
 118   (let ((unreads (elmo-folder-list-unreads-internal
 119                   (elmo-filter-folder-target-internal folder)
 120                   unread-marks mark-alist)))
 121     (unless (listp unreads)
 122       (setq unreads
 123             (delq nil
 124                   (mapcar
 125                    (function
 126                     (lambda (x)
 127                       (if (member (cadr x) unread-marks)
 128                           (car x))))
 129                    (elmo-msgdb-get-mark-alist (elmo-folder-msgdb folder))))))
 130     (elmo-list-filter
 131      (mapcar 'car (elmo-msgdb-get-number-alist
 132                    (elmo-folder-msgdb folder)))
 133      unreads)))
 134
 135 (luna-define-method elmo-folder-list-unreads-internal
 136   ((folder elmo-filter-folder)
 137    unread-marks &optional mark-alist)
 138   (elmo-filter-folder-list-unreads-internal folder unread-marks mark-alist))
 139
 140 (defsubst elmo-filter-folder-list-importants-internal (folder important-mark)
 141   (let ((importants (elmo-folder-list-importants-internal
 142                      (elmo-filter-folder-target-internal folder)
 143                      important-mark)))
 144     (if (listp importants)
 145         (elmo-list-filter
 146          (mapcar 'car (elmo-msgdb-get-number-alist
 147                        (elmo-folder-msgdb folder)))
 148          importants)
 149       t)))
 150
 151 (luna-define-method elmo-folder-list-importants-internal
 152   ((folder elmo-filter-folder)
 153    important-mark)
 154   (elmo-filter-folder-list-importants-internal folder important-mark))
 155
 156 (luna-define-method elmo-folder-diff :around ((folder elmo-filter-folder)
 157                                               &optional numbers)
 158   (if (not (and (vectorp (elmo-filter-folder-condition-internal
 159                           folder))
 160                 (string-match "^last$"
 161                               (elmo-filter-key
 162                                (elmo-filter-folder-condition-internal
 163                                 folder)))))
 164       (cons nil (cdr (elmo-folder-diff (elmo-filter-folder-target-internal
 165                                         folder))))
 166     (luna-call-next-method)))
 167
 168 (luna-define-method elmo-folder-status ((folder elmo-filter-folder))
 169   (elmo-folder-status
 170    (elmo-filter-folder-target-internal folder)))
 171
 172 (luna-define-method elmo-folder-exists-p ((folder elmo-filter-folder))
 173   (elmo-folder-exists-p (elmo-filter-folder-target-internal folder)))
 174
 175 (luna-define-method elmo-folder-creatable-p ((folder elmo-filter-folder))
 176   (elmo-folder-creatable-p (elmo-filter-folder-target-internal folder)))
 177
 178 (luna-define-method elmo-folder-create ((folder elmo-filter-folder))
 179   (elmo-folder-create (elmo-filter-folder-target-internal folder)))
 180
 181 (luna-define-method elmo-folder-search ((folder elmo-filter-folder)
 182                                         condition &optional numbers)
 183   ;; search from messages in this folder
 184   (elmo-list-filter
 185    numbers
 186    (elmo-folder-search (elmo-filter-folder-target-internal folder)
 187                        condition
 188                        (elmo-folder-list-messages folder))))
 189
 190 (luna-define-method elmo-message-use-cache-p ((folder elmo-filter-folder)
 191                                               number)
 192   (elmo-message-use-cache-p (elmo-filter-folder-target-internal folder)
 193                             number))
 194
 195 (luna-define-method elmo-folder-message-file-p ((folder elmo-filter-folder))
 196   (elmo-folder-message-file-p (elmo-filter-folder-target-internal folder)))
 197
 198 (luna-define-method elmo-folder-plugged-p ((folder elmo-filter-folder))
 199   (elmo-folder-plugged-p (elmo-filter-folder-target-internal folder)))
 200
 201 (luna-define-method elmo-folder-set-plugged ((folder elmo-filter-folder)
 202                                              plugged &optional add)
 203   (elmo-folder-set-plugged (elmo-filter-folder-target-internal folder)
 204                            plugged add))
 205
 206 (luna-define-method elmo-message-file-name ((folder elmo-filter-folder)
 207                                             number)
 208   (elmo-message-file-name (elmo-filter-folder-target-internal folder)
 209                           number))
 210
 211 (luna-define-method elmo-folder-mark-as-read ((folder elmo-filter-folder)
 212                                               numbers)
 213   (elmo-folder-mark-as-read (elmo-filter-folder-target-internal folder)
 214                             numbers))
 215
 216 (luna-define-method elmo-folder-unmark-read ((folder elmo-filter-folder)
 217                                               numbers)
 218   (elmo-folder-unmark-read (elmo-filter-folder-target-internal folder)
 219                            numbers))
 220
 221 (luna-define-method elmo-folder-mark-as-important ((folder elmo-filter-folder)
 222                                                    numbers)
 223   (elmo-folder-mark-as-important (elmo-filter-folder-target-internal folder)
 224                                  numbers))
 225
 226 (luna-define-method elmo-folder-unmark-important ((folder elmo-filter-folder)
 227                                                   numbers)
 228   (elmo-folder-unmark-important (elmo-filter-folder-target-internal folder)
 229                                 numbers))
 230
 231
 232 (require 'product)
 233 (product-provide (provide 'elmo-filter) (require 'elmo-version))
 234
 235 ;;; elmo-filter.el ends here