elmo/elmo-pipe.el

   1 ;;; elmo-pipe.el --- PIPE 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
  32 (require 'elmo)
  33
  34 (defvar elmo-pipe-folder-copied-filename "copied"
  35   "Copied messages number set.")
  36
  37 ;;; ELMO pipe folder
  38 (eval-and-compile
  39   (luna-define-class elmo-pipe-folder (elmo-folder)
  40                      (src dst copy))
  41   (luna-define-internal-accessors 'elmo-pipe-folder))
  42
  43 (luna-define-method elmo-folder-initialize ((folder elmo-pipe-folder)
  44                                             name)
  45   (when (string-match "^\\([^|]*\\)|\\(:?\\)\\(.*\\)$" name)
  46     (elmo-pipe-folder-set-src-internal folder
  47                                        (elmo-make-folder
  48                                         (elmo-match-string 1 name)))
  49     (elmo-pipe-folder-set-dst-internal folder
  50                                        (elmo-make-folder
  51                                         (elmo-match-string 3 name)))
  52     (elmo-pipe-folder-set-copy-internal folder
  53                                         (string= ":" (elmo-match-string 2 name))))
  54   folder)
  55
  56 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-pipe-folder))
  57   (elmo-flatten
  58    (mapcar
  59     'elmo-folder-get-primitive-list
  60     (list (elmo-pipe-folder-src-internal folder)
  61           (elmo-pipe-folder-dst-internal folder)))))
  62
  63 (luna-define-method elmo-folder-contains-type ((folder elmo-pipe-folder)
  64                                                type)
  65   (or (elmo-folder-contains-type (elmo-pipe-folder-src-internal folder) type)
  66       (elmo-folder-contains-type (elmo-pipe-folder-dst-internal folder) type)))
  67
  68 (luna-define-method elmo-folder-msgdb-create ((folder elmo-pipe-folder)
  69                                               numlist new-mark already-mark
  70                                               seen-mark important-mark
  71                                               seen-list)
  72   (elmo-folder-msgdb-create (elmo-pipe-folder-dst-internal folder)
  73                             numlist new-mark already-mark
  74                             seen-mark important-mark seen-list))
  75
  76 (luna-define-method elmo-folder-append-messages ((folder elmo-pipe-folder)
  77                                                  src-folder numbers
  78                                                  unread-marks
  79                                                  &optional same-number)
  80   (elmo-folder-append-messages (elmo-pipe-folder-dst-internal folder)
  81                                src-folder numbers
  82                                unread-marks
  83                                same-number))
  84
  85 (luna-define-method elmo-folder-append-buffer ((folder elmo-pipe-folder)
  86                                                unread &optional number)
  87   (elmo-folder-append-buffer (elmo-pipe-folder-dst-internal folder)
  88                              unread number))
  89
  90 (luna-define-method elmo-message-fetch ((folder elmo-pipe-folder)
  91                                         number strategy
  92                                         &optional section outbuf unseen)
  93   (elmo-message-fetch (elmo-pipe-folder-dst-internal folder)
  94                       number strategy section outbuf unseen))
  95
  96 (luna-define-method elmo-folder-delete-messages ((folder elmo-pipe-folder)
  97                                                  numbers)
  98   (elmo-folder-delete-messages (elmo-pipe-folder-dst-internal folder)
  99                                numbers))
 100
 101 (defvar elmo-pipe-drained-hook nil "A hook called when the pipe is flushed.")
 102
 103 (defsubst elmo-pipe-folder-list-target-messages (src &optional ignore-list)
 104   (unwind-protect
 105       (progn
 106         (elmo-folder-set-killed-list-internal src ignore-list)
 107         (elmo-folder-list-messages src))
 108     (elmo-folder-set-killed-list-internal src nil)))
 109
 110 (defun elmo-pipe-drain (src dst &optional copy ignore-list)
 111   "Move or copy all messages of SRC to DST."
 112   (let ((elmo-inhibit-number-mapping (not copy)) ; No need to use UIDL
 113         msgs len)
 114     (message "Checking %s..." (elmo-folder-name-internal src))
 115     ;; Warnnig: some function requires msgdb
 116     ;;  but elmo-folder-open-internal do not load msgdb.
 117     (elmo-folder-open-internal src)
 118     (setq msgs (elmo-pipe-folder-list-target-messages src ignore-list)
 119           len (length msgs))
 120     (when (> len elmo-display-progress-threshold)
 121       (elmo-progress-set 'elmo-folder-move-messages
 122                          len
 123                          (if copy
 124                              "Copying messages..."
 125                            "Moving messages...")))
 126     (unwind-protect
 127         (elmo-folder-move-messages src msgs dst
 128                                    nil nil copy)
 129       (elmo-progress-clear 'elmo-folder-move-messages))
 130     (when (and copy msgs)
 131       (setq ignore-list (elmo-number-set-append-list ignore-list
 132                                                      msgs)))
 133     ;; Don't save msgdb here.
 134     ;; Because summary view of original folder is not updated yet.
 135     (elmo-folder-close-internal src)
 136     (run-hooks 'elmo-pipe-drained-hook)
 137     ignore-list))
 138
 139 (defun elmo-pipe-folder-copied-list-load (folder)
 140   (elmo-object-load
 141    (expand-file-name elmo-pipe-folder-copied-filename
 142                      (expand-file-name
 143                       (elmo-replace-string-as-filename
 144                        (elmo-folder-name-internal folder))
 145                       (expand-file-name "pipe" elmo-msgdb-directory)))
 146    nil t))
 147
 148 (defun elmo-pipe-folder-copied-list-save (folder copied-list)
 149   (elmo-object-save
 150    (expand-file-name elmo-pipe-folder-copied-filename
 151                      (expand-file-name
 152                       (elmo-replace-string-as-filename
 153                        (elmo-folder-name-internal folder))
 154                       (expand-file-name "pipe" elmo-msgdb-directory)))
 155    copied-list))
 156
 157 (luna-define-method elmo-folder-open-internal ((folder elmo-pipe-folder))
 158   (elmo-folder-open-internal (elmo-pipe-folder-dst-internal folder))
 159   (let ((src-folder (elmo-pipe-folder-src-internal folder))
 160         (dst-folder (elmo-pipe-folder-dst-internal folder)))
 161     (when (and (elmo-folder-plugged-p src-folder)
 162                (elmo-folder-plugged-p dst-folder))
 163       (if (elmo-pipe-folder-copy-internal folder)
 164           (elmo-pipe-folder-copied-list-save
 165            folder
 166            (elmo-pipe-drain src-folder
 167                             dst-folder
 168                             'copy
 169                             (elmo-pipe-folder-copied-list-load folder)))
 170         (elmo-pipe-drain src-folder dst-folder)))))
 171
 172 (luna-define-method elmo-folder-close-internal ((folder elmo-pipe-folder))
 173   (elmo-folder-close-internal(elmo-pipe-folder-dst-internal folder)))
 174
 175 (luna-define-method elmo-folder-list-messages-internal
 176   ((folder elmo-pipe-folder) &optional nohide)
 177   (elmo-folder-list-messages-internal (elmo-pipe-folder-dst-internal
 178                                        folder) nohide))
 179
 180 (luna-define-method elmo-folder-list-unreads-internal
 181   ((folder elmo-pipe-folder) unread-marks &optional mark-alist)
 182   (elmo-folder-list-unreads-internal (elmo-pipe-folder-dst-internal folder)
 183                                      unread-marks mark-alist))
 184
 185 (luna-define-method elmo-folder-list-importants-internal
 186   ((folder elmo-pipe-folder) important-mark)
 187   (elmo-folder-list-importants-internal (elmo-pipe-folder-dst-internal folder)
 188                                         important-mark))
 189
 190 (luna-define-method elmo-folder-status ((folder elmo-pipe-folder))
 191   (elmo-folder-open-internal (elmo-pipe-folder-src-internal folder))
 192   (elmo-folder-open-internal (elmo-pipe-folder-dst-internal folder))
 193   (let* ((elmo-inhibit-number-mapping
 194           (not (elmo-pipe-folder-copy-internal folder)))
 195          (src-length (length (elmo-pipe-folder-list-target-messages
 196                               (elmo-pipe-folder-src-internal folder)
 197                               (elmo-pipe-folder-copied-list-load folder))))
 198          (dst-list (elmo-folder-list-messages
 199                     (elmo-pipe-folder-dst-internal folder))))
 200     (prog1 (cons (+ src-length (elmo-max-of-list dst-list))
 201                  (+ src-length (length dst-list)))
 202       ;; No save.
 203       (elmo-folder-close-internal (elmo-pipe-folder-src-internal folder))
 204       (elmo-folder-close-internal (elmo-pipe-folder-dst-internal folder)))))
 205
 206 (luna-define-method elmo-folder-exists-p ((folder elmo-pipe-folder))
 207   (and (elmo-folder-exists-p (elmo-pipe-folder-src-internal folder))
 208        (elmo-folder-exists-p (elmo-pipe-folder-dst-internal folder))))
 209
 210 (luna-define-method elmo-folder-expand-msgdb-path ((folder
 211                                                     elmo-pipe-folder))
 212   ;; Share with destination...OK?
 213   (elmo-folder-expand-msgdb-path (elmo-pipe-folder-dst-internal folder)))
 214
 215 (luna-define-method elmo-folder-newsgroups ((folder elmo-pipe-folder))
 216   (elmo-folder-newsgroups (elmo-pipe-folder-src-internal folder)))
 217
 218 (luna-define-method elmo-folder-creatable-p ((folder elmo-pipe-folder))
 219   (and (elmo-folder-creatable-p (elmo-pipe-folder-src-internal folder))
 220        (elmo-folder-creatable-p (elmo-pipe-folder-dst-internal folder))))
 221
 222 (luna-define-method elmo-folder-writable-p ((folder elmo-pipe-folder))
 223   (elmo-folder-writable-p (elmo-pipe-folder-dst-internal folder)))
 224
 225 (luna-define-method elmo-folder-create ((folder elmo-pipe-folder))
 226   (if (and (not (elmo-folder-exists-p (elmo-pipe-folder-src-internal folder)))
 227            (elmo-folder-creatable-p (elmo-pipe-folder-src-internal folder)))
 228       (elmo-folder-create (elmo-pipe-folder-src-internal folder)))
 229   (if (and (not (elmo-folder-exists-p (elmo-pipe-folder-dst-internal folder)))
 230            (elmo-folder-creatable-p (elmo-pipe-folder-dst-internal folder)))
 231       (elmo-folder-create (elmo-pipe-folder-dst-internal folder))))
 232
 233 (luna-define-method elmo-folder-search ((folder elmo-pipe-folder)
 234                                         condition &optional numlist)
 235   (elmo-folder-search (elmo-pipe-folder-dst-internal folder)
 236                       condition numlist))
 237
 238 (luna-define-method elmo-message-use-cache-p ((folder elmo-pipe-folder) number)
 239   (elmo-message-use-cache-p (elmo-pipe-folder-dst-internal folder) number))
 240
 241 (luna-define-method elmo-folder-check ((folder elmo-pipe-folder))
 242   (elmo-folder-close-internal folder)
 243   (elmo-folder-open-internal folder))
 244
 245 (luna-define-method elmo-folder-plugged-p ((folder elmo-pipe-folder))
 246   (and (elmo-folder-plugged-p (elmo-pipe-folder-src-internal folder))
 247        (elmo-folder-plugged-p (elmo-pipe-folder-dst-internal folder))))
 248
 249 (luna-define-method elmo-folder-message-file-p ((folder elmo-pipe-folder))
 250   (elmo-folder-message-file-p (elmo-pipe-folder-dst-internal folder)))
 251
 252 (luna-define-method elmo-message-file-p ((folder elmo-pipe-folder) number)
 253   (elmo-message-file-p (elmo-pipe-folder-dst-internal folder) number))
 254
 255 (luna-define-method elmo-message-file-name ((folder elmo-pipe-folder) number)
 256   (elmo-message-file-name (elmo-pipe-folder-dst-internal folder) number))
 257
 258 (luna-define-method elmo-folder-message-file-number-p ((folder
 259                                                         elmo-pipe-folder))
 260   (elmo-folder-message-file-number-p (elmo-pipe-folder-dst-internal folder)))
 261
 262 (luna-define-method elmo-folder-message-file-directory ((folder
 263                                                          elmo-pipe-folder))
 264   (elmo-folder-message-file-directory
 265    (elmo-pipe-folder-dst-internal folder)))
 266
 267 (luna-define-method elmo-folder-message-make-temp-file-p
 268   ((folder elmo-pipe-folder))
 269   (elmo-folder-message-make-temp-file-p
 270    (elmo-pipe-folder-dst-internal folder)))
 271
 272 (luna-define-method elmo-folder-message-make-temp-files ((folder
 273                                                           elmo-pipe-folder)
 274                                                          numbers
 275                                                          &optional
 276                                                          start-number)
 277   (elmo-folder-message-make-temp-files
 278    (elmo-pipe-folder-dst-internal folder) numbers start-number))
 279
 280 (luna-define-method elmo-folder-mark-as-read ((folder elmo-pipe-folder)
 281                                               numbers)
 282   (elmo-folder-mark-as-read (elmo-pipe-folder-dst-internal folder)
 283                             numbers))
 284
 285 (luna-define-method elmo-folder-unmark-read ((folder elmo-pipe-folder)
 286                                               numbers)
 287   (elmo-folder-unmark-read (elmo-pipe-folder-dst-internal folder)
 288                            numbers))
 289
 290 (luna-define-method elmo-folder-unmark-important ((folder elmo-pipe-folder)
 291                                                   numbers)
 292   (elmo-folder-unmark-important (elmo-pipe-folder-dst-internal folder)
 293                                 numbers))
 294
 295 (luna-define-method elmo-folder-mark-as-important ((folder elmo-pipe-folder)
 296                                                    numbers)
 297   (elmo-folder-mark-as-important (elmo-pipe-folder-dst-internal folder)
 298                                  numbers))
 299
 300 (luna-define-method elmo-folder-pack-numbers ((folder elmo-pipe-folder))
 301   (elmo-folder-pack-numbers (elmo-pipe-folder-dst-internal folder)))
 302
 303 (require 'product)
 304 (product-provide (provide 'elmo-pipe) (require 'elmo-version))
 305
 306 ;;; elmo-pipe.el ends here