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 (require 'elmo-signal)
  34
  35 (defvar elmo-pipe-folder-copied-filename "copied"
  36   "Copied messages number set.")
  37
  38 ;;; ELMO pipe folder
  39 (eval-and-compile
  40   (luna-define-class elmo-pipe-folder (elmo-folder)
  41                      (src dst copy))
  42   (luna-define-internal-accessors 'elmo-pipe-folder))
  43
  44 (luna-define-method elmo-folder-initialize ((folder elmo-pipe-folder)
  45                                             name)
  46   (when (string-match "^\\([^|]*\\)|\\(:?\\)\\(.*\\)$" name)
  47     (elmo-pipe-folder-set-src-internal folder
  48                                        (elmo-get-folder
  49                                         (elmo-match-string 1 name)))
  50     (elmo-pipe-folder-set-dst-internal folder
  51                                        (elmo-get-folder
  52                                         (elmo-match-string 3 name)))
  53     (elmo-pipe-folder-set-copy-internal folder
  54                                         (string= ":"
  55                                                  (elmo-match-string 2 name))))
  56   (elmo-pipe-connect-signals folder (elmo-pipe-folder-dst-internal folder))
  57   folder)
  58
  59 (defun elmo-pipe-connect-signals (folder destination)
  60   (elmo-connect-signal
  61    destination 'flag-changing folder
  62    (elmo-define-signal-handler (folder dst number old-flags new-flags)
  63      (elmo-emit-signal 'flag-changing folder number old-flags new-flags)))
  64   (elmo-connect-signal
  65    destination 'flag-changed folder
  66    (elmo-define-signal-handler (folder dst numbers)
  67      (elmo-emit-signal 'flag-changed folder numbers)))
  68   (elmo-connect-signal
  69    destination 'status-changed folder
  70    (elmo-define-signal-handler (folder dst numbers)
  71      (elmo-emit-signal 'status-changed folder numbers)))
  72   (elmo-connect-signal
  73    destination 'update-overview folder
  74    (elmo-define-signal-handler (folder dst number)
  75      (elmo-emit-signal 'update-overview folder number))))
  76
  77 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-pipe-folder))
  78   (nconc
  79    (elmo-folder-get-primitive-list (elmo-pipe-folder-src-internal folder))
  80    (elmo-folder-get-primitive-list (elmo-pipe-folder-dst-internal folder))))
  81
  82 (luna-define-method elmo-folder-contains-type ((folder elmo-pipe-folder)
  83                                                type)
  84   (or (elmo-folder-contains-type (elmo-pipe-folder-src-internal folder) type)
  85       (elmo-folder-contains-type (elmo-pipe-folder-dst-internal folder) type)))
  86
  87 (defun elmo-folder-append-messages-pipe-* (dst-folder
  88                                            src-folder
  89                                            numbers
  90                                            same-number)
  91   (elmo-folder-append-messages dst-folder
  92                                (elmo-pipe-folder-dst-internal src-folder)
  93                                numbers
  94                                same-number))
  95
  96 (defun elmo-folder-append-messages-*-pipe (dst-folder
  97                                            src-folder
  98                                            numbers
  99                                            same-number)
 100   (elmo-folder-append-messages (elmo-pipe-folder-dst-internal dst-folder)
 101                                src-folder
 102                                numbers
 103                                same-number))
 104
 105 (luna-define-method elmo-folder-append-buffer ((folder elmo-pipe-folder)
 106                                                &optional flag number)
 107   (elmo-folder-append-buffer (elmo-pipe-folder-dst-internal folder)
 108                              flag number))
 109
 110 (luna-define-method elmo-message-fetch ((folder elmo-pipe-folder)
 111                                         number strategy
 112                                         &optional unseen section)
 113   (elmo-message-fetch (elmo-pipe-folder-dst-internal folder)
 114                       number strategy unseen section))
 115
 116 (luna-define-method elmo-folder-clear :after ((folder elmo-pipe-folder)
 117                                               &optional keep-killed)
 118   (unless keep-killed
 119     (elmo-pipe-folder-copied-list-save folder nil)))
 120
 121 (luna-define-method elmo-folder-delete-messages ((folder elmo-pipe-folder)
 122                                                  numbers)
 123   (elmo-folder-delete-messages (elmo-pipe-folder-dst-internal folder)
 124                                numbers))
 125
 126 (luna-define-method elmo-folder-detach-messages ((folder elmo-pipe-folder)
 127                                                  numbers)
 128   (elmo-folder-detach-messages (elmo-pipe-folder-dst-internal folder)
 129                                numbers))
 130
 131 (defvar elmo-pipe-drained-hook nil "A hook called when the pipe is flushed.")
 132
 133 (defsubst elmo-pipe-folder-list-target-messages (src &optional ignore-list)
 134   (let ((killed (elmo-folder-killed-list-internal src)))
 135     (elmo-folder-set-killed-list-internal src ignore-list)
 136     (unwind-protect
 137         (elmo-folder-list-messages src t)
 138       (elmo-folder-set-killed-list-internal src killed))))
 139
 140 (defun elmo-pipe-drain (src dst &optional copy ignore-list)
 141   "Move or copy all messages of SRC to DST."
 142   (let ((elmo-inhibit-number-mapping (and (eq (elmo-folder-type-internal src)
 143                                               'pop3)
 144                                           (not copy)))) ; No need to use UIDL
 145     (message "Checking %s..." (elmo-folder-name-internal src))
 146     (elmo-folder-open src)
 147     (unwind-protect
 148         (let ((msgs (elmo-pipe-folder-list-target-messages src ignore-list)))
 149           (elmo-with-progress-display (elmo-folder-move-messages (length msgs))
 150               (if copy "Copying messages" "Moving messages")
 151             (elmo-folder-move-messages src msgs dst copy))
 152           (when (and copy msgs)
 153             (setq ignore-list (elmo-number-set-append-list ignore-list msgs))))
 154       (elmo-folder-close src))
 155     (run-hooks 'elmo-pipe-drained-hook)
 156     ignore-list))
 157
 158 (defun elmo-pipe-folder-copied-list-load (folder)
 159   (elmo-object-load
 160    (expand-file-name elmo-pipe-folder-copied-filename
 161                      (expand-file-name
 162                       (elmo-replace-string-as-filename
 163                        (elmo-folder-name-internal folder))
 164                       (expand-file-name "pipe" elmo-msgdb-directory)))
 165    nil t))
 166
 167 (defun elmo-pipe-folder-copied-list-save (folder copied-list)
 168   (elmo-object-save
 169    (expand-file-name elmo-pipe-folder-copied-filename
 170                      (expand-file-name
 171                       (elmo-replace-string-as-filename
 172                        (elmo-folder-name-internal folder))
 173                       (expand-file-name "pipe" elmo-msgdb-directory)))
 174    copied-list))
 175
 176 (luna-define-method elmo-folder-msgdb ((folder elmo-pipe-folder))
 177   (elmo-folder-msgdb (elmo-pipe-folder-dst-internal folder)))
 178
 179 (luna-define-method elmo-folder-open-internal ((folder elmo-pipe-folder))
 180   (elmo-folder-open-internal (elmo-pipe-folder-dst-internal folder)))
 181
 182 (luna-define-method elmo-folder-close-internal ((folder elmo-pipe-folder))
 183   (elmo-folder-close-internal (elmo-pipe-folder-dst-internal folder)))
 184
 185 (luna-define-method elmo-folder-close ((folder elmo-pipe-folder))
 186   (elmo-generic-folder-close folder)
 187   (elmo-folder-close (elmo-pipe-folder-dst-internal folder)))
 188
 189 (luna-define-method elmo-folder-list-messages ((folder elmo-pipe-folder)
 190                                                &optional visible-only in-msgdb)
 191   ;; Use target folder's killed-list in the pipe folder.
 192   (elmo-folder-list-messages (elmo-pipe-folder-dst-internal
 193                               folder) visible-only in-msgdb))
 194
 195 (luna-define-method elmo-folder-diff ((folder elmo-pipe-folder))
 196   (elmo-folder-open-internal (elmo-pipe-folder-src-internal folder))
 197   (elmo-folder-open-internal (elmo-pipe-folder-dst-internal folder))
 198   (let* ((elmo-inhibit-number-mapping
 199           (not (elmo-pipe-folder-copy-internal folder)))
 200          (src-length (length (elmo-pipe-folder-list-target-messages
 201                               (elmo-pipe-folder-src-internal folder)
 202                               (elmo-pipe-folder-copied-list-load folder))))
 203          (dst-diff (elmo-folder-diff (elmo-pipe-folder-dst-internal folder))))
 204     (prog1
 205         (cond
 206          ((consp (cdr dst-diff)) ; new unread all
 207           (mapcar (lambda (number) (+ number src-length)) dst-diff))
 208          (t
 209           (cons (+ (or (car dst-diff) 0) src-length)
 210                 (+ (or (cdr dst-diff) 0) src-length))))
 211       ;; No save.
 212       (elmo-folder-close-internal (elmo-pipe-folder-src-internal folder))
 213       (elmo-folder-close-internal (elmo-pipe-folder-dst-internal folder)))))
 214
 215 (luna-define-method elmo-folder-exists-p ((folder elmo-pipe-folder))
 216   (and (elmo-folder-exists-p (elmo-pipe-folder-src-internal folder))
 217        (elmo-folder-exists-p (elmo-pipe-folder-dst-internal folder))))
 218
 219 (luna-define-method elmo-folder-expand-msgdb-path ((folder
 220                                                     elmo-pipe-folder))
 221   ;; Share with destination...OK?
 222   (elmo-folder-expand-msgdb-path (elmo-pipe-folder-dst-internal folder)))
 223
 224 (luna-define-method elmo-folder-newsgroups ((folder elmo-pipe-folder))
 225   (elmo-folder-newsgroups (elmo-pipe-folder-src-internal folder)))
 226
 227 (luna-define-method elmo-folder-creatable-p ((folder elmo-pipe-folder))
 228   (and (or
 229         (elmo-folder-exists-p (elmo-pipe-folder-src-internal folder))
 230         (elmo-folder-creatable-p (elmo-pipe-folder-src-internal folder)))
 231        (or
 232         (elmo-folder-exists-p (elmo-pipe-folder-dst-internal folder))
 233         (elmo-folder-creatable-p (elmo-pipe-folder-dst-internal folder)))))
 234
 235 (luna-define-method elmo-folder-writable-p ((folder elmo-pipe-folder))
 236   (elmo-folder-writable-p (elmo-pipe-folder-dst-internal folder)))
 237
 238 (luna-define-method elmo-folder-recover-messages ((folder elmo-pipe-folder)
 239                                                   numbers)
 240   (elmo-folder-recover-messages
 241    (elmo-pipe-folder-dst-internal folder) numbers))
 242
 243 (luna-define-method elmo-folder-create ((folder elmo-pipe-folder))
 244   (if (and (not (elmo-folder-exists-p (elmo-pipe-folder-src-internal folder)))
 245            (elmo-folder-creatable-p (elmo-pipe-folder-src-internal folder)))
 246       (elmo-folder-create (elmo-pipe-folder-src-internal folder)))
 247   (if (and (not (elmo-folder-exists-p (elmo-pipe-folder-dst-internal folder)))
 248            (elmo-folder-creatable-p (elmo-pipe-folder-dst-internal folder)))
 249       (elmo-folder-create (elmo-pipe-folder-dst-internal folder))))
 250
 251 (luna-define-method elmo-folder-search ((folder elmo-pipe-folder)
 252                                         condition &optional numlist)
 253   (elmo-folder-search (elmo-pipe-folder-dst-internal folder)
 254                       condition numlist))
 255
 256 (luna-define-method elmo-message-use-cache-p ((folder elmo-pipe-folder) number)
 257   (elmo-message-use-cache-p (elmo-pipe-folder-dst-internal folder) number))
 258
 259 (luna-define-method elmo-folder-check ((folder elmo-pipe-folder))
 260   (elmo-folder-check (elmo-pipe-folder-dst-internal folder)))
 261
 262 (luna-define-method elmo-folder-plugged-p ((folder elmo-pipe-folder))
 263   (and (elmo-folder-plugged-p (elmo-pipe-folder-src-internal folder))
 264        (elmo-folder-plugged-p (elmo-pipe-folder-dst-internal folder))))
 265
 266 (luna-define-method elmo-folder-set-plugged ((folder elmo-pipe-folder)
 267                                              plugged &optional add)
 268   (elmo-folder-set-plugged (elmo-pipe-folder-src-internal folder)
 269                            plugged add)
 270   (elmo-folder-set-plugged (elmo-pipe-folder-dst-internal folder)
 271                            plugged add))
 272
 273 (luna-define-method elmo-folder-message-file-p ((folder elmo-pipe-folder))
 274   (elmo-folder-message-file-p (elmo-pipe-folder-dst-internal folder)))
 275
 276 (luna-define-method elmo-message-file-p ((folder elmo-pipe-folder) number)
 277   (elmo-message-file-p (elmo-pipe-folder-dst-internal folder) number))
 278
 279 (luna-define-method elmo-message-file-name ((folder elmo-pipe-folder) number)
 280   (elmo-message-file-name (elmo-pipe-folder-dst-internal folder) number))
 281
 282 (luna-define-method elmo-folder-message-file-number-p ((folder
 283                                                         elmo-pipe-folder))
 284   (elmo-folder-message-file-number-p (elmo-pipe-folder-dst-internal folder)))
 285
 286 (luna-define-method elmo-folder-message-file-directory ((folder
 287                                                          elmo-pipe-folder))
 288   (elmo-folder-message-file-directory
 289    (elmo-pipe-folder-dst-internal folder)))
 290
 291 (luna-define-method elmo-folder-message-make-temp-file-p
 292   ((folder elmo-pipe-folder))
 293   (elmo-folder-message-make-temp-file-p
 294    (elmo-pipe-folder-dst-internal folder)))
 295
 296 (luna-define-method elmo-folder-message-make-temp-files ((folder
 297                                                           elmo-pipe-folder)
 298                                                          numbers
 299                                                          &optional
 300                                                          start-number)
 301   (elmo-folder-message-make-temp-files
 302    (elmo-pipe-folder-dst-internal folder) numbers start-number))
 303
 304 (luna-define-method elmo-folder-set-flag ((folder elmo-pipe-folder)
 305                                           numbers
 306                                           flag
 307                                           &optional is-local)
 308   (elmo-folder-set-flag (elmo-pipe-folder-dst-internal folder)
 309                         numbers flag is-local))
 310
 311 (luna-define-method elmo-folder-unset-flag ((folder elmo-pipe-folder)
 312                                             numbers
 313                                             flag
 314                                             &optional is-local)
 315   (elmo-folder-unset-flag (elmo-pipe-folder-dst-internal folder)
 316                           numbers flag is-local))
 317
 318 (luna-define-method elmo-folder-pack-numbers ((folder elmo-pipe-folder))
 319   (elmo-folder-pack-numbers (elmo-pipe-folder-dst-internal folder)))
 320
 321 (luna-define-method elmo-folder-rename ((folder elmo-pipe-folder) new-name)
 322   (let* ((new-folder (elmo-get-folder new-name)))
 323     (unless (string= (elmo-folder-name-internal
 324                       (elmo-pipe-folder-src-internal folder))
 325                      (elmo-folder-name-internal
 326                       (elmo-pipe-folder-src-internal new-folder)))
 327       (error "Source folder differ"))
 328     (unless (eq (elmo-folder-type-internal
 329                  (elmo-pipe-folder-dst-internal folder))
 330                 (elmo-folder-type-internal
 331                  (elmo-pipe-folder-dst-internal new-folder)))
 332       (error "Not same folder type"))
 333     (elmo-folder-rename (elmo-pipe-folder-dst-internal folder)
 334                         (elmo-folder-name-internal
 335                          (elmo-pipe-folder-dst-internal new-folder)))
 336     (elmo-global-flag-replace-referrer (elmo-folder-name-internal folder)
 337                                        new-name)
 338     (elmo-msgdb-rename-path folder new-folder)))
 339
 340 (luna-define-method elmo-folder-synchronize ((folder elmo-pipe-folder)
 341                                              &optional
 342                                              disable-killed
 343                                              ignore-msgdb
 344                                              no-check
 345                                              mask)
 346   (let ((src-folder (elmo-pipe-folder-src-internal folder))
 347         (dst-folder (elmo-pipe-folder-dst-internal folder)))
 348     (when (and (elmo-folder-plugged-p src-folder)
 349                (elmo-folder-plugged-p dst-folder))
 350       (if (elmo-pipe-folder-copy-internal folder)
 351           (elmo-pipe-folder-copied-list-save
 352            folder
 353            (elmo-pipe-drain src-folder
 354                             dst-folder
 355                             'copy
 356                             (elmo-pipe-folder-copied-list-load folder)))
 357         (elmo-pipe-drain src-folder dst-folder))))
 358   (elmo-folder-synchronize
 359    (elmo-pipe-folder-dst-internal folder)
 360    disable-killed ignore-msgdb no-check mask))
 361
 362 (luna-define-method elmo-folder-list-flagged ((folder elmo-pipe-folder)
 363                                               flag
 364                                               &optional in-msgdb)
 365   (elmo-folder-list-flagged
 366    (elmo-pipe-folder-dst-internal folder) flag in-msgdb))
 367
 368 (luna-define-method elmo-folder-commit ((folder elmo-pipe-folder))
 369   (elmo-folder-commit (elmo-pipe-folder-dst-internal folder)))
 370
 371 (luna-define-method elmo-folder-length ((folder elmo-pipe-folder))
 372   (elmo-folder-length (elmo-pipe-folder-dst-internal folder)))
 373
 374 (luna-define-method elmo-message-flag-available-p ((folder elmo-pipe-folder)
 375                                                    number flag)
 376   (elmo-message-flag-available-p
 377    (elmo-pipe-folder-dst-internal folder)
 378    number flag))
 379
 380 (luna-define-method elmo-folder-count-flags ((folder elmo-pipe-folder))
 381   (elmo-folder-count-flags (elmo-pipe-folder-dst-internal folder)))
 382
 383 (luna-define-method elmo-message-flags ((folder elmo-pipe-folder) number)
 384   (elmo-message-flags (elmo-pipe-folder-dst-internal folder) number))
 385
 386 (luna-define-method elmo-message-field ((folder elmo-pipe-folder)
 387                                         number field &optional type)
 388   (elmo-message-field (elmo-pipe-folder-dst-internal folder)
 389                       number
 390                       field
 391                       type))
 392
 393 (luna-define-method elmo-message-killed-p ((folder elmo-pipe-folder) number)
 394   (elmo-message-killed-p (elmo-pipe-folder-dst-internal folder) number))
 395
 396 (luna-define-method elmo-message-set-cached ((folder elmo-pipe-folder)
 397                                              number cached)
 398   (elmo-message-set-cached (elmo-pipe-folder-dst-internal folder)
 399                            number cached))
 400
 401 (luna-define-method elmo-find-fetch-strategy ((folder elmo-pipe-folder)
 402                                               number
 403                                               &optional
 404                                               ignore-cache
 405                                               require-entireness)
 406   (elmo-find-fetch-strategy (elmo-pipe-folder-dst-internal folder)
 407                             number
 408                             ignore-cache
 409                             require-entireness))
 410
 411 (luna-define-method elmo-message-number ((folder elmo-pipe-folder)
 412                                          message-id)
 413   (elmo-message-number (elmo-pipe-folder-dst-internal folder)
 414                        message-id))
 415
 416 (luna-define-method elmo-message-entity ((folder elmo-pipe-folder) key)
 417   (elmo-message-entity (elmo-pipe-folder-dst-internal folder) key))
 418
 419 (luna-define-method elmo-message-folder ((folder elmo-pipe-folder)
 420                                          number)
 421   (elmo-message-folder (elmo-pipe-folder-dst-internal folder) number))
 422
 423 (require 'product)
 424 (product-provide (provide 'elmo-pipe) (require 'elmo-version))
 425
 426 ;;; elmo-pipe.el ends here