HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| eec82323 | 1 | ;;; nnfolder.el --- mail folder access for Gnus |
| 23f87bed | 2 | ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
| 16409b0b | 3 | ;; Free Software Foundation, Inc. |
| eec82323 | 4 | |
| 23f87bed MB |
5 | ;; Author: Simon Josefsson <simon@josefsson.org> (adding MARKS) |
| 6 | ;; ShengHuo Zhu <zsh@cs.rochester.edu> (adding NOV) | |
| 7 | ;; Scott Byer <byer@mv.us.adobe.com> | |
| 6748645f | 8 | ;; Lars Magne Ingebrigtsen <larsi@gnus.org> |
| 23f87bed | 9 | ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet> |
| eec82323 LMI |
10 | ;; Keywords: mail |
| 11 | ||
| 12 | ;; This file is part of GNU Emacs. | |
| 13 | ||
| 14 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
| 15 | ;; it under the terms of the GNU General Public License as published by | |
| 16 | ;; the Free Software Foundation; either version 2, or (at your option) | |
| 17 | ;; any later version. | |
| 18 | ||
| 19 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 20 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 22 | ;; GNU General Public License for more details. | |
| 23 | ||
| 24 | ;; You should have received a copy of the GNU General Public License | |
| 25 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
| 26 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 27 | ;; Boston, MA 02111-1307, USA. | |
| 28 | ||
| 29 | ;;; Commentary: | |
| 30 | ||
| 31 | ;;; Code: | |
| 32 | ||
| 33 | (require 'nnheader) | |
| 34 | (require 'message) | |
| 35 | (require 'nnmail) | |
| 36 | (require 'nnoo) | |
| 6748645f | 37 | (eval-when-compile (require 'cl)) |
| 23f87bed | 38 | (require 'gnus) |
| eec82323 | 39 | (require 'gnus-util) |
| 0d972486 | 40 | (require 'gnus-range) |
| eec82323 | 41 | |
| 23f87bed MB |
42 | (eval-and-compile |
| 43 | (autoload 'gnus-article-unpropagatable-p "gnus-sum") | |
| 44 | (autoload 'gnus-intersection "gnus-range")) | |
| 45 | ||
| eec82323 LMI |
46 | (nnoo-declare nnfolder) |
| 47 | ||
| 48 | (defvoo nnfolder-directory (expand-file-name message-directory) | |
| 49 | "The name of the nnfolder directory.") | |
| 50 | ||
| 23f87bed MB |
51 | (defvoo nnfolder-nov-directory nil |
| 52 | "The name of the nnfolder NOV directory. | |
| 53 | If nil, `nnfolder-directory' is used.") | |
| 54 | ||
| 55 | (defvoo nnfolder-marks-directory nil | |
| 56 | "The name of the nnfolder MARKS directory. | |
| 57 | If nil, `nnfolder-directory' is used.") | |
| 58 | ||
| eec82323 | 59 | (defvoo nnfolder-active-file |
| 16409b0b | 60 | (nnheader-concat nnfolder-directory "active") |
| eec82323 LMI |
61 | "The name of the active file.") |
| 62 | ||
| 63 | ;; I renamed this variable to something more in keeping with the general GNU | |
| 64 | ;; style. -SLB | |
| 65 | ||
| 66 | (defvoo nnfolder-ignore-active-file nil | |
| dcf4ae73 | 67 | "If non-nil, the active file is ignored. |
| 16409b0b GM |
68 | This causes nnfolder to do some extra work in order to determine the |
| 69 | true active ranges of an mbox file. Note that the active file is | |
| dcf4ae73 | 70 | still saved, but its values are not used. This costs some extra time |
| 16409b0b | 71 | when scanning an mbox when opening it.") |
| eec82323 LMI |
72 | |
| 73 | (defvoo nnfolder-distrust-mbox nil | |
| 16409b0b GM |
74 | "If non-nil, the folder will be distrusted. |
| 75 | This means that nnfolder will not trust the user with respect to | |
| 76 | inserting unaccounted for mail in the middle of an mbox file. This | |
| 77 | can greatly slow down scans, which now must scan the entire file for | |
| 78 | unmarked messages. When nil, scans occur forward from the last marked | |
| 79 | message, a huge time saver for large mailboxes.") | |
| eec82323 LMI |
80 | |
| 81 | (defvoo nnfolder-newsgroups-file | |
| 16409b0b | 82 | (concat (file-name-as-directory nnfolder-directory) "newsgroups") |
| eec82323 LMI |
83 | "Mail newsgroups description file.") |
| 84 | ||
| 85 | (defvoo nnfolder-get-new-mail t | |
| 86 | "If non-nil, nnfolder will check the incoming mail file and split the mail.") | |
| 87 | ||
| 88 | (defvoo nnfolder-prepare-save-mail-hook nil | |
| 89 | "Hook run narrowed to an article before saving.") | |
| 90 | ||
| 91 | (defvoo nnfolder-save-buffer-hook nil | |
| 92 | "Hook run before saving the nnfolder mbox buffer.") | |
| 93 | ||
| 23f87bed | 94 | |
| eec82323 LMI |
95 | (defvoo nnfolder-inhibit-expiry nil |
| 96 | "If non-nil, inhibit expiry.") | |
| 97 | ||
| 98 | \f | |
| 99 | ||
| 23f87bed | 100 | (defconst nnfolder-version "nnfolder 2.0" |
| eec82323 LMI |
101 | "nnfolder version.") |
| 102 | ||
| 103 | (defconst nnfolder-article-marker "X-Gnus-Article-Number: " | |
| 104 | "String used to demarcate what the article number for a message is.") | |
| 105 | ||
| 106 | (defvoo nnfolder-current-group nil) | |
| 107 | (defvoo nnfolder-current-buffer nil) | |
| 108 | (defvoo nnfolder-status-string "") | |
| 109 | (defvoo nnfolder-group-alist nil) | |
| 110 | (defvoo nnfolder-buffer-alist nil) | |
| 111 | (defvoo nnfolder-scantime-alist nil) | |
| 112 | (defvoo nnfolder-active-timestamp nil) | |
| 16409b0b | 113 | (defvoo nnfolder-active-file-coding-system mm-text-coding-system) |
| a1506d29 | 114 | (defvoo nnfolder-active-file-coding-system-for-write |
| 16409b0b GM |
115 | nnmail-active-file-coding-system) |
| 116 | (defvoo nnfolder-file-coding-system mm-text-coding-system) | |
| 117 | (defvoo nnfolder-file-coding-system-for-write nnheader-file-coding-system | |
| 118 | "Coding system for save nnfolder file. | |
| 23f87bed MB |
119 | if nil, `nnfolder-file-coding-system' is used.") ; FIXME: fill-in the doc-string of this variable |
| 120 | ||
| 121 | (defvoo nnfolder-nov-is-evil nil | |
| 122 | "If non-nil, Gnus will never generate and use nov databases for mail groups. | |
| 123 | Using nov databases will speed up header fetching considerably. | |
| 124 | This variable shouldn't be flipped much. If you have, for some reason, | |
| 125 | set this to t, and want to set it to nil again, you should always run | |
| 126 | the `nnfolder-generate-active-file' command. The function will go | |
| 127 | through all nnfolder directories and generate nov databases for them | |
| 128 | all. This may very well take some time.") | |
| 129 | ||
| 130 | (defvoo nnfolder-nov-file-suffix ".nov") | |
| 131 | ||
| 132 | (defvoo nnfolder-nov-buffer-alist nil) | |
| 133 | ||
| 134 | (defvar nnfolder-nov-buffer-file-name nil) | |
| 135 | ||
| 136 | (defvoo nnfolder-marks-is-evil nil | |
| 137 | "If non-nil, Gnus will never generate and use marks file for mail groups. | |
| 138 | Using marks files makes it possible to backup and restore mail groups | |
| 139 | separately from `.newsrc.eld'. If you have, for some reason, set | |
| 140 | this to t, and want to set it to nil again, you should always remove | |
| 141 | the corresponding marks file (usually base nnfolder file name | |
| 142 | concatenated with `.mrk', but see `nnfolder-marks-file-suffix') for | |
| 143 | the group. Then the marks file will be regenerated properly by Gnus.") | |
| 144 | ||
| 145 | (defvoo nnfolder-marks nil) | |
| 146 | ||
| 147 | (defvoo nnfolder-marks-file-suffix ".mrk") | |
| 148 | ||
| 149 | (defvar nnfolder-marks-modtime (gnus-make-hashtable)) | |
| eec82323 LMI |
150 | |
| 151 | \f | |
| 152 | ||
| 153 | ;;; Interface functions | |
| 154 | ||
| 155 | (nnoo-define-basics nnfolder) | |
| 156 | ||
| 157 | (deffoo nnfolder-retrieve-headers (articles &optional group server fetch-old) | |
| 158 | (save-excursion | |
| 159 | (set-buffer nntp-server-buffer) | |
| 160 | (erase-buffer) | |
| 23f87bed | 161 | (let (article start stop num) |
| eec82323 LMI |
162 | (nnfolder-possibly-change-group group server) |
| 163 | (when nnfolder-current-buffer | |
| 164 | (set-buffer nnfolder-current-buffer) | |
| 165 | (goto-char (point-min)) | |
| 166 | (if (stringp (car articles)) | |
| 167 | 'headers | |
| 23f87bed MB |
168 | (if (nnfolder-retrieve-headers-with-nov articles fetch-old) |
| 169 | 'nov | |
| 170 | (setq articles (gnus-sorted-intersection | |
| 171 | ;; Is ARTICLES sorted? | |
| 172 | (sort articles '<) | |
| 173 | (nnfolder-existing-articles))) | |
| 174 | (while (setq article (pop articles)) | |
| 175 | (set-buffer nnfolder-current-buffer) | |
| 176 | (cond ((nnfolder-goto-article article) | |
| 177 | (setq start (point)) | |
| 178 | (setq stop (if (search-forward "\n\n" nil t) | |
| 179 | (1- (point)) | |
| 180 | (point-max))) | |
| 181 | (set-buffer nntp-server-buffer) | |
| 182 | (insert (format "221 %d Article retrieved.\n" article)) | |
| 183 | (insert-buffer-substring nnfolder-current-buffer | |
| 184 | start stop) | |
| 185 | (goto-char (point-max)) | |
| 186 | (insert ".\n")) | |
| 187 | ||
| 188 | ;; If we couldn't find this article, skip over ranges | |
| 189 | ;; of missing articles so we don't search the whole file | |
| 190 | ;; for each of them. | |
| 191 | ((numberp article) | |
| 192 | (setq start (point)) | |
| 193 | (and | |
| 194 | ;; Check that we are either at BOF or after an | |
| 195 | ;; article with a lower number. We do this so we | |
| 196 | ;; won't be confused by out-of-order article numbers, | |
| 197 | ;; as caused by active file bogosity. | |
| 198 | (cond | |
| 199 | ((bobp)) | |
| 200 | ((search-backward (concat "\n" nnfolder-article-marker) | |
| 201 | nil t) | |
| 202 | (goto-char (match-end 0)) | |
| 203 | (setq num (string-to-int | |
| 204 | (buffer-substring | |
| 205 | (point) (gnus-point-at-eol)))) | |
| 206 | (goto-char start) | |
| 207 | (< num article))) | |
| 208 | ;; Check that we are before an article with a | |
| 209 | ;; higher number. | |
| 210 | (search-forward (concat "\n" nnfolder-article-marker) | |
| 211 | nil t) | |
| 212 | (progn | |
| 213 | (setq num (string-to-int | |
| 214 | (buffer-substring | |
| 215 | (point) (gnus-point-at-eol)))) | |
| 216 | (> num article)) | |
| 217 | ;; Discard any article numbers before the one we're | |
| 218 | ;; now looking at. | |
| 219 | (while (and articles | |
| 220 | (< (car articles) num)) | |
| 221 | (setq articles (cdr articles)))) | |
| 222 | (goto-char start)))) | |
| 223 | (set-buffer nntp-server-buffer) | |
| 224 | (nnheader-fold-continuation-lines) | |
| 225 | 'headers)))))) | |
| eec82323 LMI |
226 | |
| 227 | (deffoo nnfolder-open-server (server &optional defs) | |
| 228 | (nnoo-change-server 'nnfolder server defs) | |
| 229 | (nnmail-activate 'nnfolder t) | |
| 230 | (gnus-make-directory nnfolder-directory) | |
| 23f87bed MB |
231 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 232 | (and nnfolder-nov-directory | |
| 233 | (gnus-make-directory nnfolder-nov-directory))) | |
| 234 | (unless nnfolder-marks-is-evil | |
| 235 | (and nnfolder-marks-directory | |
| 236 | (gnus-make-directory nnfolder-marks-directory))) | |
| eec82323 LMI |
237 | (cond |
| 238 | ((not (file-exists-p nnfolder-directory)) | |
| 239 | (nnfolder-close-server) | |
| 240 | (nnheader-report 'nnfolder "Couldn't create directory: %s" | |
| 241 | nnfolder-directory)) | |
| 242 | ((not (file-directory-p (file-truename nnfolder-directory))) | |
| 243 | (nnfolder-close-server) | |
| 244 | (nnheader-report 'nnfolder "Not a directory: %s" nnfolder-directory)) | |
| 245 | (t | |
| 246 | (nnmail-activate 'nnfolder) | |
| 247 | (nnheader-report 'nnfolder "Opened server %s using directory %s" | |
| 248 | server nnfolder-directory) | |
| 249 | t))) | |
| 250 | ||
| 251 | (deffoo nnfolder-request-close () | |
| 252 | (let ((alist nnfolder-buffer-alist)) | |
| 253 | (while alist | |
| 254 | (nnfolder-close-group (caar alist) nil t) | |
| 255 | (setq alist (cdr alist)))) | |
| 256 | (nnoo-close-server 'nnfolder) | |
| 257 | (setq nnfolder-buffer-alist nil | |
| 258 | nnfolder-group-alist nil)) | |
| 259 | ||
| 260 | (deffoo nnfolder-request-article (article &optional group server buffer) | |
| 261 | (nnfolder-possibly-change-group group server) | |
| 262 | (save-excursion | |
| 263 | (set-buffer nnfolder-current-buffer) | |
| 264 | (goto-char (point-min)) | |
| 6748645f | 265 | (when (nnfolder-goto-article article) |
| eec82323 | 266 | (let (start stop) |
| eec82323 LMI |
267 | (setq start (point)) |
| 268 | (forward-line 1) | |
| 269 | (unless (and (nnmail-search-unix-mail-delim) | |
| 270 | (forward-line -1)) | |
| 271 | (goto-char (point-max))) | |
| 272 | (setq stop (point)) | |
| 273 | (let ((nntp-server-buffer (or buffer nntp-server-buffer))) | |
| 274 | (set-buffer nntp-server-buffer) | |
| 275 | (erase-buffer) | |
| 276 | (insert-buffer-substring nnfolder-current-buffer start stop) | |
| 277 | (goto-char (point-min)) | |
| 278 | (while (looking-at "From ") | |
| 279 | (delete-char 5) | |
| 280 | (insert "X-From-Line: ") | |
| 281 | (forward-line 1)) | |
| 282 | (if (numberp article) | |
| 283 | (cons nnfolder-current-group article) | |
| 284 | (goto-char (point-min)) | |
| eec82323 | 285 | (cons nnfolder-current-group |
| a1506d29 | 286 | (if (search-forward (concat "\n" nnfolder-article-marker) |
| 16409b0b | 287 | nil t) |
| 23f87bed MB |
288 | (string-to-int (buffer-substring |
| 289 | (point) (gnus-point-at-eol))) | |
| 16409b0b | 290 | -1)))))))) |
| eec82323 LMI |
291 | |
| 292 | (deffoo nnfolder-request-group (group &optional server dont-check) | |
| 293 | (nnfolder-possibly-change-group group server t) | |
| 294 | (save-excursion | |
| 295 | (if (not (assoc group nnfolder-group-alist)) | |
| 296 | (nnheader-report 'nnfolder "No such group: %s" group) | |
| 297 | (if dont-check | |
| 298 | (progn | |
| 299 | (nnheader-report 'nnfolder "Selected group %s" group) | |
| 300 | t) | |
| 301 | (let* ((active (assoc group nnfolder-group-alist)) | |
| 302 | (group (car active)) | |
| 303 | (range (cadr active))) | |
| 304 | (cond | |
| 305 | ((null active) | |
| 306 | (nnheader-report 'nnfolder "No such group: %s" group)) | |
| 307 | ((null nnfolder-current-group) | |
| 308 | (nnheader-report 'nnfolder "Empty group: %s" group)) | |
| 309 | (t | |
| 310 | (nnheader-report 'nnfolder "Selected group %s" group) | |
| 311 | (nnheader-insert "211 %d %d %d %s\n" | |
| 312 | (1+ (- (cdr range) (car range))) | |
| 313 | (car range) (cdr range) group)))))))) | |
| 314 | ||
| 315 | (deffoo nnfolder-request-scan (&optional group server) | |
| 316 | (nnfolder-possibly-change-group nil server) | |
| 317 | (when nnfolder-get-new-mail | |
| 318 | (nnfolder-possibly-change-group group server) | |
| 319 | (nnmail-get-new-mail | |
| 320 | 'nnfolder | |
| 321 | (lambda () | |
| 322 | (let ((bufs nnfolder-buffer-alist)) | |
| 323 | (save-excursion | |
| 324 | (while bufs | |
| 325 | (if (not (gnus-buffer-live-p (nth 1 (car bufs)))) | |
| 326 | (setq nnfolder-buffer-alist | |
| 327 | (delq (car bufs) nnfolder-buffer-alist)) | |
| 328 | (set-buffer (nth 1 (car bufs))) | |
| 329 | (nnfolder-save-buffer) | |
| 330 | (kill-buffer (current-buffer))) | |
| 331 | (setq bufs (cdr bufs)))))) | |
| 332 | nnfolder-directory | |
| 333 | group))) | |
| 334 | ||
| 335 | ;; Don't close the buffer if we're not shutting down the server. This way, | |
| 336 | ;; we can keep the buffer in the group buffer cache, and not have to grovel | |
| 337 | ;; over the buffer again unless we add new mail to it or modify it in some | |
| 338 | ;; way. | |
| 339 | ||
| 340 | (deffoo nnfolder-close-group (group &optional server force) | |
| 341 | ;; Make sure we _had_ the group open. | |
| 342 | (when (or (assoc group nnfolder-buffer-alist) | |
| 343 | (equal group nnfolder-current-group)) | |
| 344 | (let ((inf (assoc group nnfolder-buffer-alist))) | |
| 345 | (when inf | |
| 346 | (when (and nnfolder-current-group | |
| 347 | nnfolder-current-buffer) | |
| 348 | (push (list nnfolder-current-group nnfolder-current-buffer) | |
| 349 | nnfolder-buffer-alist)) | |
| 350 | (setq nnfolder-buffer-alist | |
| 351 | (delq inf nnfolder-buffer-alist)) | |
| 352 | (setq nnfolder-current-buffer (cadr inf) | |
| 353 | nnfolder-current-group (car inf)))) | |
| 354 | (when (and nnfolder-current-buffer | |
| 355 | (buffer-name nnfolder-current-buffer)) | |
| 356 | (save-excursion | |
| 357 | (set-buffer nnfolder-current-buffer) | |
| 358 | ;; If the buffer was modified, write the file out now. | |
| 359 | (nnfolder-save-buffer) | |
| 360 | ;; If we're shutting the server down, we need to kill the | |
| 361 | ;; buffer and remove it from the open buffer list. Or, of | |
| 362 | ;; course, if we're trying to minimize our space impact. | |
| 363 | (kill-buffer (current-buffer)) | |
| 364 | (setq nnfolder-buffer-alist (delq (assoc group nnfolder-buffer-alist) | |
| 365 | nnfolder-buffer-alist))))) | |
| 366 | (setq nnfolder-current-group nil | |
| 367 | nnfolder-current-buffer nil) | |
| 368 | t) | |
| 369 | ||
| 370 | (deffoo nnfolder-request-create-group (group &optional server args) | |
| 371 | (nnfolder-possibly-change-group nil server) | |
| 372 | (nnmail-activate 'nnfolder) | |
| 373 | (when group | |
| 374 | (unless (assoc group nnfolder-group-alist) | |
| 375 | (push (list group (cons 1 0)) nnfolder-group-alist) | |
| 16409b0b | 376 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| a8151ef7 | 377 | (nnfolder-read-folder group))) |
| eec82323 LMI |
378 | t) |
| 379 | ||
| 380 | (deffoo nnfolder-request-list (&optional server) | |
| 381 | (nnfolder-possibly-change-group nil server) | |
| 382 | (save-excursion | |
| 16409b0b | 383 | (let ((nnmail-file-coding-system nnfolder-active-file-coding-system)) |
| 58724016 KH |
384 | (nnmail-find-file nnfolder-active-file) |
| 385 | (setq nnfolder-group-alist (nnmail-get-active))) | |
| eec82323 LMI |
386 | t)) |
| 387 | ||
| 388 | (deffoo nnfolder-request-newgroups (date &optional server) | |
| 389 | (nnfolder-possibly-change-group nil server) | |
| 390 | (nnfolder-request-list server)) | |
| 391 | ||
| 392 | (deffoo nnfolder-request-list-newsgroups (&optional server) | |
| 393 | (nnfolder-possibly-change-group nil server) | |
| 394 | (save-excursion | |
| 16409b0b GM |
395 | (let ((nnmail-file-coding-system nnfolder-file-coding-system)) |
| 396 | (nnmail-find-file nnfolder-newsgroups-file)))) | |
| 397 | ||
| 398 | ;; Return a list consisting of all article numbers existing in the | |
| 399 | ;; current folder. | |
| 400 | ||
| 401 | (defun nnfolder-existing-articles () | |
| 402 | (save-excursion | |
| 403 | (when nnfolder-current-buffer | |
| 404 | (set-buffer nnfolder-current-buffer) | |
| 405 | (goto-char (point-min)) | |
| 406 | (let ((marker (concat "\n" nnfolder-article-marker)) | |
| 407 | (number "[0-9]+") | |
| 408 | numbers) | |
| 16409b0b GM |
409 | (while (and (search-forward marker nil t) |
| 410 | (re-search-forward number nil t)) | |
| 411 | (let ((newnum (string-to-number (match-string 0)))) | |
| 412 | (if (nnmail-within-headers-p) | |
| 413 | (push newnum numbers)))) | |
| 23f87bed MB |
414 | ;; The article numbers are increasing, so this result is sorted. |
| 415 | (nreverse numbers))))) | |
| eec82323 LMI |
416 | |
| 417 | (deffoo nnfolder-request-expire-articles | |
| 16409b0b | 418 | (articles newsgroup &optional server force) |
| eec82323 LMI |
419 | (nnfolder-possibly-change-group newsgroup server) |
| 420 | (let* ((is-old t) | |
| 16409b0b GM |
421 | ;; The articles we have deleted so far. |
| 422 | (deleted-articles nil) | |
| 423 | ;; The articles that really exist and will | |
| 424 | ;; be expired if they are old enough. | |
| 425 | (maybe-expirable | |
| 23f87bed | 426 | (gnus-sorted-intersection articles (nnfolder-existing-articles)))) |
| eec82323 LMI |
427 | (nnmail-activate 'nnfolder) |
| 428 | ||
| 429 | (save-excursion | |
| 430 | (set-buffer nnfolder-current-buffer) | |
| 16409b0b GM |
431 | ;; Since messages are sorted in arrival order and expired in the |
| 432 | ;; same order, we can stop as soon as we find a message that is | |
| 433 | ;; too old. | |
| 434 | (while (and maybe-expirable is-old) | |
| eec82323 | 435 | (goto-char (point-min)) |
| 16409b0b GM |
436 | (when (and (nnfolder-goto-article (car maybe-expirable)) |
| 437 | (search-forward (concat "\n" nnfolder-article-marker) | |
| 438 | nil t)) | |
| 439 | (forward-sexp) | |
| 440 | (when (setq is-old | |
| 441 | (nnmail-expired-article-p | |
| 442 | newsgroup | |
| 443 | (buffer-substring | |
| 444 | (point) (progn (end-of-line) (point))) | |
| 445 | force nnfolder-inhibit-expiry)) | |
| 0d972486 SZ |
446 | (unless (eq nnmail-expiry-target 'delete) |
| 447 | (with-temp-buffer | |
| a1506d29 | 448 | (nnfolder-request-article (car maybe-expirable) |
| 0d972486 | 449 | newsgroup server (current-buffer)) |
| 23f87bed | 450 | (let ((nnfolder-current-directory nil)) |
| 0d972486 | 451 | (nnmail-expiry-target-group |
| 23f87bed MB |
452 | nnmail-expiry-target newsgroup))) |
| 453 | (nnfolder-possibly-change-group newsgroup server)) | |
| 0d972486 | 454 | (nnheader-message 5 "Deleting article %d in %s..." |
| 16409b0b GM |
455 | (car maybe-expirable) newsgroup) |
| 456 | (nnfolder-delete-mail) | |
| 23f87bed MB |
457 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 458 | (nnfolder-nov-delete-article newsgroup (car maybe-expirable))) | |
| 16409b0b GM |
459 | ;; Must remember which articles were actually deleted |
| 460 | (push (car maybe-expirable) deleted-articles))) | |
| 461 | (setq maybe-expirable (cdr maybe-expirable))) | |
| eec82323 LMI |
462 | (unless nnfolder-inhibit-expiry |
| 463 | (nnheader-message 5 "Deleting articles...done")) | |
| 464 | (nnfolder-save-buffer) | |
| 465 | (nnfolder-adjust-min-active newsgroup) | |
| 16409b0b | 466 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| 23f87bed | 467 | (gnus-sorted-difference articles (nreverse deleted-articles))))) |
| eec82323 | 468 | |
| 6748645f LMI |
469 | (deffoo nnfolder-request-move-article (article group server |
| 470 | accept-form &optional last) | |
| 471 | (save-excursion | |
| 472 | (let ((buf (get-buffer-create " *nnfolder move*")) | |
| 473 | result) | |
| 474 | (and | |
| 475 | (nnfolder-request-article article group server) | |
| 476 | (save-excursion | |
| 477 | (set-buffer buf) | |
| 6748645f LMI |
478 | (erase-buffer) |
| 479 | (insert-buffer-substring nntp-server-buffer) | |
| 480 | (goto-char (point-min)) | |
| 481 | (while (re-search-forward | |
| 482 | (concat "^" nnfolder-article-marker) | |
| a1506d29 | 483 | (save-excursion (and (search-forward "\n\n" nil t) (point))) |
| 16409b0b | 484 | t) |
| 23f87bed | 485 | (gnus-delete-line)) |
| 6748645f LMI |
486 | (setq result (eval accept-form)) |
| 487 | (kill-buffer buf) | |
| 488 | result) | |
| 489 | (save-excursion | |
| 490 | (nnfolder-possibly-change-group group server) | |
| 491 | (set-buffer nnfolder-current-buffer) | |
| 492 | (goto-char (point-min)) | |
| 493 | (when (nnfolder-goto-article article) | |
| 494 | (nnfolder-delete-mail)) | |
| 23f87bed MB |
495 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 496 | (nnfolder-nov-delete-article group article)) | |
| 6748645f LMI |
497 | (when last |
| 498 | (nnfolder-save-buffer) | |
| 499 | (nnfolder-adjust-min-active group) | |
| 16409b0b | 500 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)))) |
| 6748645f | 501 | result))) |
| eec82323 LMI |
502 | |
| 503 | (deffoo nnfolder-request-accept-article (group &optional server last) | |
| 6748645f LMI |
504 | (save-excursion |
| 505 | (nnfolder-possibly-change-group group server) | |
| 506 | (nnmail-check-syntax) | |
| 507 | (let ((buf (current-buffer)) | |
| 508 | result art-group) | |
| 509 | (goto-char (point-min)) | |
| 510 | (when (looking-at "X-From-Line: ") | |
| f9936da6 SZ |
511 | (replace-match "From ") |
| 512 | (while (progn (forward-line) (looking-at "[ \t]")) | |
| 513 | (delete-char -1))) | |
| 23f87bed MB |
514 | (with-temp-buffer |
| 515 | (let ((nnmail-file-coding-system nnfolder-active-file-coding-system) | |
| 516 | (nntp-server-buffer (current-buffer))) | |
| 517 | (nnmail-find-file nnfolder-active-file) | |
| 518 | (setq nnfolder-group-alist (nnmail-parse-active)))) | |
| 519 | (save-excursion | |
| 520 | (goto-char (point-min)) | |
| 521 | (if (search-forward "\n\n" nil t) | |
| 522 | (forward-line -1) | |
| 523 | (goto-char (point-max))) | |
| 524 | (while (re-search-backward (concat "^" nnfolder-article-marker) nil t) | |
| 525 | (delete-region (point) (progn (forward-line 1) (point)))) | |
| 526 | (when nnmail-cache-accepted-message-ids | |
| 527 | (nnmail-cache-insert (nnmail-fetch-field "message-id") | |
| 528 | group | |
| 529 | (nnmail-fetch-field "subject") | |
| 530 | (nnmail-fetch-field "from"))) | |
| 531 | (setq result (if (stringp group) | |
| 532 | (list (cons group (nnfolder-active-number group))) | |
| 533 | (setq art-group | |
| 534 | (nnmail-article-group 'nnfolder-active-number)))) | |
| 535 | (if (and (null result) | |
| 536 | (yes-or-no-p "Moved to `junk' group; delete article? ")) | |
| 537 | (setq result 'junk) | |
| 538 | (setq result | |
| 539 | (car (nnfolder-save-mail result))))) | |
| 540 | (when last | |
| 541 | (save-excursion | |
| 542 | (nnfolder-possibly-change-folder (or (caar art-group) group)) | |
| 543 | (nnfolder-save-buffer) | |
| 544 | (when nnmail-cache-accepted-message-ids | |
| 545 | (nnmail-cache-close)))) | |
| 16409b0b | 546 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| 6748645f LMI |
547 | (unless result |
| 548 | (nnheader-report 'nnfolder "Couldn't store article")) | |
| 549 | result))) | |
| eec82323 LMI |
550 | |
| 551 | (deffoo nnfolder-request-replace-article (article group buffer) | |
| 552 | (nnfolder-possibly-change-group group) | |
| 553 | (save-excursion | |
| 6748645f LMI |
554 | (set-buffer buffer) |
| 555 | (goto-char (point-min)) | |
| 23f87bed MB |
556 | (if (not (looking-at "X-From-Line: ")) |
| 557 | (insert "From nobody " (current-time-string) "\n") | |
| 558 | (replace-match "From ") | |
| 559 | (forward-line 1) | |
| 560 | (while (looking-at "[ \t]") | |
| 561 | (delete-char -1) | |
| 562 | (forward-line 1))) | |
| 6748645f | 563 | (nnfolder-normalize-buffer) |
| eec82323 LMI |
564 | (set-buffer nnfolder-current-buffer) |
| 565 | (goto-char (point-min)) | |
| 6748645f | 566 | (if (not (nnfolder-goto-article article)) |
| eec82323 | 567 | nil |
| 6748645f | 568 | (nnfolder-delete-mail) |
| eec82323 | 569 | (insert-buffer-substring buffer) |
| 23f87bed MB |
570 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 571 | (save-excursion | |
| 572 | (set-buffer buffer) | |
| 573 | (let ((headers (nnfolder-parse-head article | |
| 574 | (point-min) (point-max)))) | |
| 575 | (with-current-buffer (nnfolder-open-nov group) | |
| 576 | (if (nnheader-find-nov-line article) | |
| 577 | (delete-region (point) (progn (forward-line 1) (point)))) | |
| 578 | (nnheader-insert-nov headers))))) | |
| eec82323 LMI |
579 | (nnfolder-save-buffer) |
| 580 | t))) | |
| 581 | ||
| 582 | (deffoo nnfolder-request-delete-group (group &optional force server) | |
| 583 | (nnfolder-close-group group server t) | |
| 584 | ;; Delete all articles in GROUP. | |
| 585 | (if (not force) | |
| 586 | () ; Don't delete the articles. | |
| 587 | ;; Delete the file that holds the group. | |
| 23f87bed MB |
588 | (let ((data (nnfolder-group-pathname group)) |
| 589 | (nov (nnfolder-group-nov-pathname group)) | |
| 590 | (mrk (nnfolder-group-marks-pathname group))) | |
| 591 | (ignore-errors (delete-file data)) | |
| 592 | (ignore-errors (delete-file nov)) | |
| 593 | (ignore-errors (delete-file mrk)))) | |
| eec82323 LMI |
594 | ;; Remove the group from all structures. |
| 595 | (setq nnfolder-group-alist | |
| 596 | (delq (assoc group nnfolder-group-alist) nnfolder-group-alist) | |
| 597 | nnfolder-current-group nil | |
| 598 | nnfolder-current-buffer nil) | |
| 599 | ;; Save the active file. | |
| 16409b0b | 600 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| eec82323 LMI |
601 | t) |
| 602 | ||
| 603 | (deffoo nnfolder-request-rename-group (group new-name &optional server) | |
| 604 | (nnfolder-possibly-change-group group server) | |
| 605 | (save-excursion | |
| 606 | (set-buffer nnfolder-current-buffer) | |
| 607 | (and (file-writable-p buffer-file-name) | |
| 608 | (ignore-errors | |
| 23f87bed MB |
609 | (let ((new-file (nnfolder-group-pathname new-name))) |
| 610 | (gnus-make-directory (file-name-directory new-file)) | |
| 611 | (rename-file buffer-file-name new-file) | |
| 612 | (when (file-exists-p (nnfolder-group-nov-pathname group)) | |
| 613 | (setq new-file (nnfolder-group-nov-pathname new-name)) | |
| 614 | (gnus-make-directory (file-name-directory new-file)) | |
| 615 | (rename-file (nnfolder-group-nov-pathname group) new-file)) | |
| 616 | (when (file-exists-p (nnfolder-group-marks-pathname group)) | |
| 617 | (setq new-file (nnfolder-group-marks-pathname new-name)) | |
| 618 | (gnus-make-directory (file-name-directory new-file)) | |
| 619 | (rename-file (nnfolder-group-marks-pathname group) new-file))) | |
| eec82323 LMI |
620 | t) |
| 621 | ;; That went ok, so we change the internal structures. | |
| 622 | (let ((entry (assoc group nnfolder-group-alist))) | |
| 623 | (and entry (setcar entry new-name)) | |
| 624 | (setq nnfolder-current-buffer nil | |
| 625 | nnfolder-current-group nil) | |
| 626 | ;; Save the new group alist. | |
| 16409b0b | 627 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| eec82323 LMI |
628 | ;; We kill the buffer instead of renaming it and stuff. |
| 629 | (kill-buffer (current-buffer)) | |
| 630 | t)))) | |
| 631 | ||
| 23f87bed | 632 | (deffoo nnfolder-request-regenerate (server) |
| a8151ef7 LMI |
633 | (nnfolder-possibly-change-group nil server) |
| 634 | (nnfolder-generate-active-file) | |
| 635 | t) | |
| 636 | ||
| eec82323 LMI |
637 | \f |
| 638 | ;;; Internal functions. | |
| 639 | ||
| 640 | (defun nnfolder-adjust-min-active (group) | |
| 641 | ;; Find the lowest active article in this group. | |
| 642 | (let* ((active (cadr (assoc group nnfolder-group-alist))) | |
| 643 | (marker (concat "\n" nnfolder-article-marker)) | |
| 644 | (number "[0-9]+") | |
| 645 | (activemin (cdr active))) | |
| 646 | (save-excursion | |
| 647 | (set-buffer nnfolder-current-buffer) | |
| 648 | (goto-char (point-min)) | |
| 649 | (while (and (search-forward marker nil t) | |
| 650 | (re-search-forward number nil t)) | |
| 6748645f LMI |
651 | (let ((newnum (string-to-number (match-string 0)))) |
| 652 | (if (nnmail-within-headers-p) | |
| 653 | (setq activemin (min activemin newnum))))) | |
| eec82323 LMI |
654 | (setcar active activemin)))) |
| 655 | ||
| 656 | (defun nnfolder-article-string (article) | |
| 657 | (if (numberp article) | |
| 658 | (concat "\n" nnfolder-article-marker (int-to-string article) " ") | |
| 659 | (concat "\nMessage-ID: " article))) | |
| 660 | ||
| 6748645f LMI |
661 | (defun nnfolder-goto-article (article) |
| 662 | "Place point at the start of the headers of ARTICLE. | |
| 663 | ARTICLE can be an article number or a Message-ID. | |
| 664 | Returns t if successful, nil otherwise." | |
| 665 | (let ((art-string (nnfolder-article-string article)) | |
| 666 | start found) | |
| 667 | ;; It is likely that we are at or before the delimiter line. | |
| 668 | ;; We therefore go to the end of the previous line, and start | |
| 669 | ;; searching from there. | |
| 670 | (beginning-of-line) | |
| 671 | (unless (bobp) | |
| 672 | (forward-char -1)) | |
| 673 | (setq start (point)) | |
| 674 | ;; First search forward. | |
| 675 | (while (and (setq found (search-forward art-string nil t)) | |
| 676 | (not (nnmail-within-headers-p)))) | |
| 677 | ;; If unsuccessful, search backward from where we started, | |
| 678 | (unless found | |
| 679 | (goto-char start) | |
| 680 | (while (and (setq found (search-backward art-string nil t)) | |
| 681 | (not (nnmail-within-headers-p))))) | |
| 682 | (when found | |
| 683 | (nnmail-search-unix-mail-delim-backward)))) | |
| 684 | ||
| 685 | (defun nnfolder-delete-mail (&optional leave-delim) | |
| 686 | "Delete the message that point is in. | |
| 687 | If optional argument LEAVE-DELIM is t, then mailbox delimiter is not | |
| 688 | deleted. Point is left where the deleted region was." | |
| 16409b0b GM |
689 | (save-restriction |
| 690 | (narrow-to-region | |
| 691 | (save-excursion | |
| 692 | ;; In case point is at the beginning of the message already. | |
| 693 | (forward-line 1) | |
| 694 | (nnmail-search-unix-mail-delim-backward) | |
| 695 | (if leave-delim (progn (forward-line 1) (point)) | |
| 696 | (point))) | |
| 697 | (progn | |
| 698 | (forward-line 1) | |
| 699 | (if (nnmail-search-unix-mail-delim) | |
| 700 | (point) | |
| 701 | (point-max)))) | |
| 702 | (run-hooks 'nnfolder-delete-mail-hook) | |
| 703 | (delete-region (point-min) (point-max)))) | |
| eec82323 LMI |
704 | |
| 705 | (defun nnfolder-possibly-change-group (group &optional server dont-check) | |
| 706 | ;; Change servers. | |
| 707 | (when (and server | |
| 708 | (not (nnfolder-server-opened server))) | |
| 709 | (nnfolder-open-server server)) | |
| 710 | (unless (gnus-buffer-live-p nnfolder-current-buffer) | |
| 711 | (setq nnfolder-current-buffer nil | |
| 712 | nnfolder-current-group nil)) | |
| 713 | ;; Change group. | |
| 23f87bed MB |
714 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
| 715 | (when (and group | |
| 716 | (not (equal group nnfolder-current-group)) | |
| 717 | (progn | |
| 718 | (nnmail-activate 'nnfolder) | |
| 719 | (and (assoc group nnfolder-group-alist) | |
| 720 | (file-exists-p (nnfolder-group-pathname group))))) | |
| 58724016 | 721 | (if dont-check |
| a8151ef7 LMI |
722 | (setq nnfolder-current-group group |
| 723 | nnfolder-current-buffer nil) | |
| 58724016 | 724 | (let (inf file) |
| 23f87bed MB |
725 | ;; If we have to change groups, see if we don't already have |
| 726 | ;; the folder in memory. If we do, verify the modtime and | |
| 727 | ;; destroy the folder if needed so we can rescan it. | |
| a8151ef7 LMI |
728 | (setq nnfolder-current-buffer |
| 729 | (nth 1 (assoc group nnfolder-buffer-alist))) | |
| 730 | ||
| 23f87bed MB |
731 | ;; If the buffer is not live, make sure it isn't in the |
| 732 | ;; alist. If it is live, verify that nobody else has | |
| 733 | ;; touched the file since last time. | |
| 58724016 KH |
734 | (when (and nnfolder-current-buffer |
| 735 | (not (gnus-buffer-live-p nnfolder-current-buffer))) | |
| 736 | (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist) | |
| 737 | nnfolder-current-buffer nil)) | |
| a8151ef7 | 738 | |
| 58724016 | 739 | (setq nnfolder-current-group group) |
| a8151ef7 | 740 | |
| 58724016 | 741 | (when (or (not nnfolder-current-buffer) |
| 6748645f LMI |
742 | (not (verify-visited-file-modtime |
| 743 | nnfolder-current-buffer))) | |
| 58724016 KH |
744 | (save-excursion |
| 745 | (setq file (nnfolder-group-pathname group)) | |
| 746 | ;; See whether we need to create the new file. | |
| 747 | (unless (file-exists-p file) | |
| 748 | (gnus-make-directory (file-name-directory file)) | |
| a1506d29 | 749 | (let ((nnmail-file-coding-system |
| 16409b0b GM |
750 | (or nnfolder-file-coding-system-for-write |
| 751 | nnfolder-file-coding-system-for-write))) | |
| be1ad767 SM |
752 | (nnmail-write-region (point-min) (point-min) |
| 753 | file t 'nomesg))) | |
| 58724016 KH |
754 | (when (setq nnfolder-current-buffer (nnfolder-read-folder group)) |
| 755 | (set-buffer nnfolder-current-buffer) | |
| 756 | (push (list group nnfolder-current-buffer) | |
| 757 | nnfolder-buffer-alist))))))))) | |
| eec82323 LMI |
758 | |
| 759 | (defun nnfolder-save-mail (group-art-list) | |
| 760 | "Called narrowed to an article." | |
| 761 | (let* (save-list group-art) | |
| 762 | (goto-char (point-min)) | |
| 763 | ;; The From line may have been quoted by movemail. | |
| 16409b0b | 764 | (when (looking-at ">From") |
| eec82323 LMI |
765 | (delete-char 1)) |
| 766 | ;; This might come from somewhere else. | |
| 16409b0b | 767 | (unless (looking-at "From ") |
| eec82323 LMI |
768 | (insert "From nobody " (current-time-string) "\n") |
| 769 | (goto-char (point-min))) | |
| 6748645f | 770 | ;; Quote all "From " lines in the article. |
| 16409b0b | 771 | (forward-line 1) |
| eec82323 LMI |
772 | (let (case-fold-search) |
| 773 | (while (re-search-forward "^From " nil t) | |
| 774 | (beginning-of-line) | |
| 775 | (insert "> "))) | |
| 776 | (setq save-list group-art-list) | |
| 777 | (nnmail-insert-lines) | |
| 778 | (nnmail-insert-xref group-art-list) | |
| 779 | (run-hooks 'nnmail-prepare-save-mail-hook) | |
| 780 | (run-hooks 'nnfolder-prepare-save-mail-hook) | |
| 781 | ||
| 782 | ;; Insert the mail into each of the destination groups. | |
| 783 | (while (setq group-art (pop group-art-list)) | |
| 784 | ;; Kill any previous newsgroup markers. | |
| 785 | (goto-char (point-min)) | |
| 16409b0b GM |
786 | (if (search-forward "\n\n" nil t) |
| 787 | (forward-line -1) | |
| 788 | (goto-char (point-max))) | |
| eec82323 LMI |
789 | (while (search-backward (concat "\n" nnfolder-article-marker) nil t) |
| 790 | (delete-region (1+ (point)) (progn (forward-line 2) (point)))) | |
| 791 | ||
| 792 | ;; Insert the new newsgroup marker. | |
| 793 | (nnfolder-insert-newsgroup-line group-art) | |
| 794 | ||
| 795 | (save-excursion | |
| 796 | (let ((beg (point-min)) | |
| 797 | (end (point-max)) | |
| 798 | (obuf (current-buffer))) | |
| 799 | (nnfolder-possibly-change-folder (car group-art)) | |
| 800 | (let ((buffer-read-only nil)) | |
| 6748645f | 801 | (nnfolder-normalize-buffer) |
| 23f87bed MB |
802 | (insert-buffer-substring obuf beg end)) |
| 803 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
| 804 | (set-buffer obuf) | |
| 805 | (nnfolder-add-nov (car group-art) (cdr group-art) | |
| 806 | (nnfolder-parse-head nil beg end)))))) | |
| eec82323 LMI |
807 | |
| 808 | ;; Did we save it anywhere? | |
| 809 | save-list)) | |
| 810 | ||
| 6748645f LMI |
811 | (defun nnfolder-normalize-buffer () |
| 812 | "Make sure there are two newlines at the end of the buffer." | |
| 813 | (goto-char (point-max)) | |
| 814 | (skip-chars-backward "\n") | |
| 815 | (delete-region (point) (point-max)) | |
| 23f87bed MB |
816 | (unless (bobp) |
| 817 | (insert "\n\n"))) | |
| 6748645f | 818 | |
| eec82323 LMI |
819 | (defun nnfolder-insert-newsgroup-line (group-art) |
| 820 | (save-excursion | |
| 821 | (goto-char (point-min)) | |
| 16409b0b GM |
822 | (unless (search-forward "\n\n" nil t) |
| 823 | (goto-char (point-max)) | |
| 824 | (insert "\n")) | |
| 825 | (forward-char -1) | |
| 826 | (insert (format (concat nnfolder-article-marker "%d %s\n") | |
| 827 | (cdr group-art) (current-time-string))))) | |
| eec82323 LMI |
828 | |
| 829 | (defun nnfolder-active-number (group) | |
| 830 | ;; Find the next article number in GROUP. | |
| 831 | (let ((active (cadr (assoc group nnfolder-group-alist)))) | |
| 832 | (if active | |
| 833 | (setcdr active (1+ (cdr active))) | |
| 834 | ;; This group is new, so we create a new entry for it. | |
| 835 | ;; This might be a bit naughty... creating groups on the drop of | |
| 836 | ;; a hat, but I don't know... | |
| 837 | (push (list group (setq active (cons 1 1))) | |
| 838 | nnfolder-group-alist)) | |
| 839 | (cdr active))) | |
| 840 | ||
| 841 | (defun nnfolder-possibly-change-folder (group) | |
| 842 | (let ((inf (assoc group nnfolder-buffer-alist))) | |
| 843 | (if (and inf | |
| 844 | (gnus-buffer-live-p (cadr inf))) | |
| 845 | (set-buffer (cadr inf)) | |
| 846 | (when inf | |
| 847 | (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist))) | |
| 848 | (when nnfolder-group-alist | |
| 16409b0b | 849 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)) |
| eec82323 LMI |
850 | (push (list group (nnfolder-read-folder group)) |
| 851 | nnfolder-buffer-alist)))) | |
| 852 | ||
| 23f87bed MB |
853 | ;; This method has a problem if you've accidentally let the active |
| 854 | ;; list get out of sync with the files. This could happen, say, if | |
| 855 | ;; you've accidentally gotten new mail with something other than Gnus | |
| 856 | ;; (but why would _that_ ever happen? :-). In that case, we will be | |
| 857 | ;; in the middle of processing the file, ready to add new X-Gnus | |
| 858 | ;; article number markers, and we'll run across a message with no ID | |
| 859 | ;; yet - the active list _may_not_ be ready for us yet. | |
| 860 | ||
| 861 | ;; To handle this, I'm modifying this routine to maintain the maximum | |
| 862 | ;; ID seen so far, and when we hit a message with no ID, we will | |
| 863 | ;; _manually_ scan the rest of the message looking for any more, | |
| 864 | ;; possibly higher IDs. We'll assume the maximum that we find is the | |
| 865 | ;; highest active. Note that this shouldn't cost us much extra time | |
| 866 | ;; at all, but will be a lot less vulnerable to glitches between the | |
| 867 | ;; mbox and the active file. | |
| eec82323 LMI |
868 | |
| 869 | (defun nnfolder-read-folder (group) | |
| 870 | (let* ((file (nnfolder-group-pathname group)) | |
| 23f87bed | 871 | (nov (nnfolder-group-nov-pathname group)) |
| 16409b0b | 872 | (buffer (set-buffer |
| a1506d29 | 873 | (let ((nnheader-file-coding-system |
| 16409b0b GM |
874 | nnfolder-file-coding-system)) |
| 875 | (nnheader-find-file-noselect file))))) | |
| 2c902422 | 876 | (mm-enable-multibyte) ;; Use multibyte buffer for future copying. |
| eec82323 LMI |
877 | (if (equal (cadr (assoc group nnfolder-scantime-alist)) |
| 878 | (nth 5 (file-attributes file))) | |
| 879 | ;; This looks up-to-date, so we don't do any scanning. | |
| 6748645f LMI |
880 | (if (file-exists-p file) |
| 881 | buffer | |
| 882 | (push (list group buffer) nnfolder-buffer-alist) | |
| 883 | (set-buffer-modified-p t) | |
| 16409b0b | 884 | (nnfolder-save-buffer)) |
| eec82323 LMI |
885 | ;; Parse the damn thing. |
| 886 | (save-excursion | |
| 16409b0b GM |
887 | (goto-char (point-min)) |
| 888 | ;; Remove any blank lines at the start. | |
| 889 | (while (eq (following-char) ?\n) | |
| 890 | (delete-char 1)) | |
| eec82323 LMI |
891 | (nnmail-activate 'nnfolder) |
| 892 | ;; Read in the file. | |
| 16409b0b | 893 | (let ((delim "^From ") |
| eec82323 LMI |
894 | (marker (concat "\n" nnfolder-article-marker)) |
| 895 | (number "[0-9]+") | |
| 896 | (active (or (cadr (assoc group nnfolder-group-alist)) | |
| 897 | (cons 1 0))) | |
| 898 | (scantime (assoc group nnfolder-scantime-alist)) | |
| 899 | (minid (lsh -1 -1)) | |
| 900 | maxid start end newscantime | |
| 23f87bed | 901 | novbuf articles newnum |
| eec82323 | 902 | buffer-read-only) |
| 16409b0b | 903 | (buffer-disable-undo) |
| eec82323 | 904 | (setq maxid (cdr active)) |
| 23f87bed MB |
905 | |
| 906 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil | |
| 907 | (and (file-exists-p nov) | |
| 908 | (file-newer-than-file-p nov file))) | |
| 909 | (unless (file-exists-p nov) | |
| 910 | (gnus-make-directory (file-name-directory nov))) | |
| 911 | (with-current-buffer | |
| 912 | (setq novbuf (nnfolder-open-nov group)) | |
| 913 | (goto-char (point-min)) | |
| 914 | (while (not (eobp)) | |
| 915 | (push (read novbuf) articles) | |
| 916 | (forward-line 1)) | |
| 917 | (setq articles (nreverse articles)))) | |
| eec82323 LMI |
918 | (goto-char (point-min)) |
| 919 | ||
| 23f87bed MB |
920 | ;; Anytime the active number is 1 or 0, it is suspect. In |
| 921 | ;; that case, search the file manually to find the active | |
| 922 | ;; number. Or, of course, if we're being paranoid. (This | |
| 923 | ;; would also be the place to build other lists from the | |
| 924 | ;; header markers, such as expunge lists, etc., if we ever | |
| 925 | ;; desired to abandon the active file entirely for mboxes.) | |
| eec82323 | 926 | (when (or nnfolder-ignore-active-file |
| 23f87bed | 927 | novbuf |
| eec82323 LMI |
928 | (< maxid 2)) |
| 929 | (while (and (search-forward marker nil t) | |
| 23f87bed MB |
930 | (looking-at number)) |
| 931 | (setq newnum (string-to-number (match-string 0))) | |
| 932 | (when (nnmail-within-headers-p) | |
| 933 | (setq maxid (max maxid newnum) | |
| 934 | minid (min minid newnum)) | |
| 935 | (when novbuf | |
| 936 | (if (memq newnum articles) | |
| 937 | (setq articles (delq newnum articles)) | |
| 938 | (let ((headers (nnfolder-parse-head newnum))) | |
| 939 | (with-current-buffer novbuf | |
| 940 | (nnheader-find-nov-line newnum) | |
| 941 | (nnheader-insert-nov headers))))))) | |
| 942 | (when (and novbuf articles) | |
| 943 | (with-current-buffer novbuf | |
| 944 | (dolist (article articles) | |
| 945 | (when (nnheader-find-nov-line article) | |
| 946 | (delete-region (point) | |
| 947 | (progn (forward-line 1) (point))))))) | |
| eec82323 LMI |
948 | (setcar active (max 1 (min minid maxid))) |
| 949 | (setcdr active (max maxid (cdr active))) | |
| 950 | (goto-char (point-min))) | |
| 951 | ||
| 23f87bed MB |
952 | ;; As long as we trust that the user will only insert |
| 953 | ;; unmarked mail at the end, go to the end and search | |
| 954 | ;; backwards for the last marker. Find the start of that | |
| 955 | ;; message, and begin to search for unmarked messages from | |
| 956 | ;; there. | |
| eec82323 LMI |
957 | (when (not (or nnfolder-distrust-mbox |
| 958 | (< maxid 2))) | |
| 959 | (goto-char (point-max)) | |
| 960 | (unless (re-search-backward marker nil t) | |
| 961 | (goto-char (point-min))) | |
| 23f87bed MB |
962 | ;;(when (nnmail-search-unix-mail-delim) |
| 963 | ;; (goto-char (point-min))) | |
| 964 | ) | |
| eec82323 | 965 | |
| 23f87bed MB |
966 | ;; Keep track of the active number on our own, and insert it |
| 967 | ;; back into the active list when we're done. Also, prime | |
| 968 | ;; the pump to cut down on the number of searches we do. | |
| eec82323 LMI |
969 | (unless (nnmail-search-unix-mail-delim) |
| 970 | (goto-char (point-max))) | |
| 971 | (setq end (point-marker)) | |
| 972 | (while (not (= end (point-max))) | |
| 973 | (setq start (marker-position end)) | |
| 974 | (goto-char end) | |
| 23f87bed | 975 | ;; There may be more than one "From " line, so we skip past |
| eec82323 LMI |
976 | ;; them. |
| 977 | (while (looking-at delim) | |
| 978 | (forward-line 1)) | |
| 979 | (set-marker end (if (nnmail-search-unix-mail-delim) | |
| 980 | (point) | |
| 981 | (point-max))) | |
| 982 | (goto-char start) | |
| 983 | (when (not (search-forward marker end t)) | |
| 984 | (narrow-to-region start end) | |
| 985 | (nnmail-insert-lines) | |
| 986 | (nnfolder-insert-newsgroup-line | |
| 23f87bed MB |
987 | (cons nil |
| 988 | (setq newnum | |
| 989 | (nnfolder-active-number group)))) | |
| 990 | (when novbuf | |
| 991 | (let ((headers (nnfolder-parse-head newnum (point-min) | |
| 992 | (point-max)))) | |
| 993 | (with-current-buffer novbuf | |
| 994 | (goto-char (point-max)) | |
| 995 | (nnheader-insert-nov headers)))) | |
| eec82323 LMI |
996 | (widen))) |
| 997 | ||
| 998 | (set-marker end nil) | |
| 23f87bed MB |
999 | ;; Make absolutely sure that the active list reflects |
| 1000 | ;; reality! | |
| 16409b0b | 1001 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| 23f87bed | 1002 | |
| eec82323 LMI |
1003 | ;; Set the scantime for this group. |
| 1004 | (setq newscantime (visited-file-modtime)) | |
| 1005 | (if scantime | |
| 1006 | (setcdr scantime (list newscantime)) | |
| 23f87bed | 1007 | (push (list group newscantime) |
| eec82323 | 1008 | nnfolder-scantime-alist)) |
| 23f87bed MB |
1009 | ;; Save nov. |
| 1010 | (when novbuf | |
| 1011 | (nnfolder-save-nov)) | |
| eec82323 LMI |
1012 | (current-buffer)))))) |
| 1013 | ||
| 1014 | ;;;###autoload | |
| 1015 | (defun nnfolder-generate-active-file () | |
| 16409b0b GM |
1016 | "Look for mbox folders in the nnfolder directory and make them into groups. |
| 1017 | This command does not work if you use short group names." | |
| eec82323 LMI |
1018 | (interactive) |
| 1019 | (nnmail-activate 'nnfolder) | |
| 23f87bed MB |
1020 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 1021 | (dolist (file (directory-files (or nnfolder-nov-directory | |
| 1022 | nnfolder-directory) | |
| 1023 | t | |
| 1024 | (concat | |
| 1025 | (regexp-quote nnfolder-nov-file-suffix) | |
| 1026 | "$"))) | |
| 1027 | (when (not (message-mail-file-mbox-p file)) | |
| 1028 | (ignore-errors | |
| 1029 | (delete-file file))))) | |
| eec82323 | 1030 | (let ((files (directory-files nnfolder-directory)) |
| 23f87bed | 1031 | file) |
| eec82323 LMI |
1032 | (while (setq file (pop files)) |
| 1033 | (when (and (not (backup-file-name-p file)) | |
| 23f87bed | 1034 | (message-mail-file-mbox-p |
| eec82323 | 1035 | (nnheader-concat nnfolder-directory file))) |
| 23f87bed MB |
1036 | (let ((oldgroup (assoc file nnfolder-group-alist))) |
| 1037 | (if oldgroup | |
| 1038 | (nnheader-message 5 "Refreshing group %s..." file) | |
| 1039 | (nnheader-message 5 "Adding group %s..." file)) | |
| 03378294 RS |
1040 | (if oldgroup |
| 1041 | (setq nnfolder-group-alist | |
| 1042 | (delq oldgroup (copy-sequence nnfolder-group-alist)))) | |
| 23f87bed MB |
1043 | (push (list file (cons 1 0)) nnfolder-group-alist) |
| 1044 | (nnfolder-possibly-change-folder file) | |
| 1045 | (nnfolder-possibly-change-group file) | |
| 1046 | (nnfolder-close-group file)))) | |
| 6748645f | 1047 | (nnheader-message 5 ""))) |
| eec82323 LMI |
1048 | |
| 1049 | (defun nnfolder-group-pathname (group) | |
| 35ef97a5 | 1050 | "Make file name for GROUP." |
| 16409b0b GM |
1051 | (setq group |
| 1052 | (mm-encode-coding-string group nnmail-pathname-coding-system)) | |
| eec82323 LMI |
1053 | (let ((dir (file-name-as-directory (expand-file-name nnfolder-directory)))) |
| 1054 | ;; If this file exists, we use it directly. | |
| 1055 | (if (or nnmail-use-long-file-names | |
| 1056 | (file-exists-p (concat dir group))) | |
| 1057 | (concat dir group) | |
| 1058 | ;; If not, we translate dots into slashes. | |
| 1059 | (concat dir (nnheader-replace-chars-in-string group ?. ?/))))) | |
| 1060 | ||
| 23f87bed MB |
1061 | (defun nnfolder-group-nov-pathname (group) |
| 1062 | "Make pathname for GROUP NOV." | |
| 1063 | (let ((nnfolder-directory | |
| 1064 | (or nnfolder-nov-directory nnfolder-directory))) | |
| 1065 | (concat (nnfolder-group-pathname group) nnfolder-nov-file-suffix))) | |
| 1066 | ||
| eec82323 LMI |
1067 | (defun nnfolder-save-buffer () |
| 1068 | "Save the buffer." | |
| 1069 | (when (buffer-modified-p) | |
| 1070 | (run-hooks 'nnfolder-save-buffer-hook) | |
| a8151ef7 | 1071 | (gnus-make-directory (file-name-directory (buffer-file-name))) |
| a1506d29 | 1072 | (let ((coding-system-for-write |
| 16409b0b GM |
1073 | (or nnfolder-file-coding-system-for-write |
| 1074 | nnfolder-file-coding-system))) | |
| 23f87bed MB |
1075 | (save-buffer))) |
| 1076 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
| 1077 | (nnfolder-save-nov))) | |
| 16409b0b GM |
1078 | |
| 1079 | (defun nnfolder-save-active (group-alist active-file) | |
| 1080 | (let ((nnmail-active-file-coding-system | |
| 1081 | (or nnfolder-active-file-coding-system-for-write | |
| 1082 | nnfolder-active-file-coding-system))) | |
| 1083 | (nnmail-save-active group-alist active-file))) | |
| eec82323 | 1084 | |
| 23f87bed MB |
1085 | (defun nnfolder-open-nov (group) |
| 1086 | (or (cdr (assoc group nnfolder-nov-buffer-alist)) | |
| 1087 | (let ((buffer (get-buffer-create (format " *nnfolder overview %s*" group)))) | |
| 1088 | (save-excursion | |
| 1089 | (set-buffer buffer) | |
| 1090 | (set (make-local-variable 'nnfolder-nov-buffer-file-name) | |
| 1091 | (nnfolder-group-nov-pathname group)) | |
| 1092 | (erase-buffer) | |
| 1093 | (when (file-exists-p nnfolder-nov-buffer-file-name) | |
| 1094 | (nnheader-insert-file-contents nnfolder-nov-buffer-file-name))) | |
| 1095 | (push (cons group buffer) nnfolder-nov-buffer-alist) | |
| 1096 | buffer))) | |
| 1097 | ||
| 1098 | (defun nnfolder-save-nov () | |
| 1099 | (save-excursion | |
| 1100 | (while nnfolder-nov-buffer-alist | |
| 1101 | (when (buffer-name (cdar nnfolder-nov-buffer-alist)) | |
| 1102 | (set-buffer (cdar nnfolder-nov-buffer-alist)) | |
| 1103 | (when (buffer-modified-p) | |
| 1104 | (gnus-make-directory (file-name-directory | |
| 1105 | nnfolder-nov-buffer-file-name)) | |
| 1106 | (nnmail-write-region 1 (point-max) nnfolder-nov-buffer-file-name | |
| 1107 | nil 'nomesg)) | |
| 1108 | (set-buffer-modified-p nil) | |
| 1109 | (kill-buffer (current-buffer))) | |
| 1110 | (setq nnfolder-nov-buffer-alist (cdr nnfolder-nov-buffer-alist))))) | |
| 1111 | ||
| 1112 | (defun nnfolder-nov-delete-article (group article) | |
| 1113 | (save-excursion | |
| 1114 | (set-buffer (nnfolder-open-nov group)) | |
| 1115 | (when (nnheader-find-nov-line article) | |
| 1116 | (delete-region (point) (progn (forward-line 1) (point)))) | |
| 1117 | t)) | |
| 1118 | ||
| 1119 | (defun nnfolder-retrieve-headers-with-nov (articles &optional fetch-old) | |
| 1120 | (if (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
| 1121 | nil | |
| 1122 | (let ((nov (nnfolder-group-nov-pathname nnfolder-current-group))) | |
| 1123 | (when (file-exists-p nov) | |
| 1124 | (save-excursion | |
| 1125 | (set-buffer nntp-server-buffer) | |
| 1126 | (erase-buffer) | |
| 1127 | (nnheader-insert-file-contents nov) | |
| 1128 | (if (and fetch-old | |
| 1129 | (not (numberp fetch-old))) | |
| 1130 | t ; Don't remove anything. | |
| 1131 | (nnheader-nov-delete-outside-range | |
| 1132 | (if fetch-old (max 1 (- (car articles) fetch-old)) | |
| 1133 | (car articles)) | |
| 1134 | (car (last articles))) | |
| 1135 | t)))))) | |
| 1136 | ||
| 1137 | (defun nnfolder-parse-head (&optional number b e) | |
| 1138 | "Parse the head of the current buffer." | |
| 1139 | (let ((buf (current-buffer)) | |
| 1140 | chars) | |
| 1141 | (save-excursion | |
| 1142 | (unless b | |
| 1143 | (setq b (if (nnmail-search-unix-mail-delim-backward) | |
| 1144 | (point) (point-min))) | |
| 1145 | (forward-line 1) | |
| 1146 | (setq e (if (nnmail-search-unix-mail-delim) | |
| 1147 | (point) (point-max)))) | |
| 1148 | (setq chars (- e b)) | |
| 1149 | (unless (zerop chars) | |
| 1150 | (goto-char b) | |
| 1151 | (if (search-forward "\n\n" e t) (setq e (1- (point))))) | |
| 1152 | (with-temp-buffer | |
| 1153 | (insert-buffer-substring buf b e) | |
| 1154 | (let ((headers (nnheader-parse-naked-head))) | |
| 1155 | (mail-header-set-chars headers chars) | |
| 1156 | (mail-header-set-number headers number) | |
| 1157 | headers))))) | |
| 1158 | ||
| 1159 | (defun nnfolder-add-nov (group article headers) | |
| 1160 | "Add a nov line for the GROUP base." | |
| 1161 | (save-excursion | |
| 1162 | (set-buffer (nnfolder-open-nov group)) | |
| 1163 | (goto-char (point-max)) | |
| 1164 | (mail-header-set-number headers article) | |
| 1165 | (nnheader-insert-nov headers))) | |
| 1166 | ||
| 1167 | (deffoo nnfolder-request-set-mark (group actions &optional server) | |
| 1168 | (when (and server | |
| 1169 | (not (nnfolder-server-opened server))) | |
| 1170 | (nnfolder-open-server server)) | |
| 1171 | (unless nnfolder-marks-is-evil | |
| 1172 | (nnfolder-open-marks group server) | |
| 1173 | (dolist (action actions) | |
| 1174 | (let ((range (nth 0 action)) | |
| 1175 | (what (nth 1 action)) | |
| 1176 | (marks (nth 2 action))) | |
| 1177 | (assert (or (eq what 'add) (eq what 'del)) t | |
| 1178 | "Unknown request-set-mark action: %s" what) | |
| 1179 | (dolist (mark marks) | |
| 1180 | (setq nnfolder-marks (gnus-update-alist-soft | |
| 1181 | mark | |
| 1182 | (funcall (if (eq what 'add) 'gnus-range-add | |
| 1183 | 'gnus-remove-from-range) | |
| 1184 | (cdr (assoc mark nnfolder-marks)) range) | |
| 1185 | nnfolder-marks))))) | |
| 1186 | (nnfolder-save-marks group server)) | |
| 1187 | nil) | |
| 1188 | ||
| 1189 | (deffoo nnfolder-request-update-info (group info &optional server) | |
| 1190 | ;; Change servers. | |
| 1191 | (when (and server | |
| 1192 | (not (nnfolder-server-opened server))) | |
| 1193 | (nnfolder-open-server server)) | |
| 1194 | (when (and (not nnfolder-marks-is-evil) (nnfolder-marks-changed-p group)) | |
| 1195 | (nnheader-message 8 "Updating marks for %s..." group) | |
| 1196 | (nnfolder-open-marks group server) | |
| 1197 | ;; Update info using `nnfolder-marks'. | |
| 1198 | (mapcar (lambda (pred) | |
| 1199 | (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists) | |
| 1200 | (gnus-info-set-marks | |
| 1201 | info | |
| 1202 | (gnus-update-alist-soft | |
| 1203 | (cdr pred) | |
| 1204 | (cdr (assq (cdr pred) nnfolder-marks)) | |
| 1205 | (gnus-info-marks info)) | |
| 1206 | t))) | |
| 1207 | gnus-article-mark-lists) | |
| 1208 | (let ((seen (cdr (assq 'read nnfolder-marks)))) | |
| 1209 | (gnus-info-set-read info | |
| 1210 | (if (and (integerp (car seen)) | |
| 1211 | (null (cdr seen))) | |
| 1212 | (list (cons (car seen) (car seen))) | |
| 1213 | seen))) | |
| 1214 | (nnheader-message 8 "Updating marks for %s...done" group)) | |
| 1215 | info) | |
| 1216 | ||
| 1217 | (defun nnfolder-group-marks-pathname (group) | |
| 1218 | "Make pathname for GROUP NOV." | |
| 1219 | (let ((nnfolder-directory (or nnfolder-marks-directory nnfolder-directory))) | |
| 1220 | (concat (nnfolder-group-pathname group) nnfolder-marks-file-suffix))) | |
| 1221 | ||
| 1222 | (defun nnfolder-marks-changed-p (group) | |
| 1223 | (let ((file (nnfolder-group-marks-pathname group))) | |
| 1224 | (if (null (gnus-gethash file nnfolder-marks-modtime)) | |
| 1225 | t ;; never looked at marks file, assume it has changed | |
| 1226 | (not (equal (gnus-gethash file nnfolder-marks-modtime) | |
| 1227 | (nth 5 (file-attributes file))))))) | |
| 1228 | ||
| 1229 | (defun nnfolder-save-marks (group server) | |
| 1230 | (let ((file-name-coding-system nnmail-pathname-coding-system) | |
| 1231 | (file (nnfolder-group-marks-pathname group))) | |
| 1232 | (condition-case err | |
| 1233 | (progn | |
| 1234 | (with-temp-file file | |
| 1235 | (erase-buffer) | |
| 1236 | (gnus-prin1 nnfolder-marks) | |
| 1237 | (insert "\n")) | |
| 1238 | (gnus-sethash file | |
| 1239 | (nth 5 (file-attributes file)) | |
| 1240 | nnfolder-marks-modtime)) | |
| 1241 | (error (or (gnus-yes-or-no-p | |
| 1242 | (format "Could not write to %s (%s). Continue? " file err)) | |
| 1243 | (error "Cannot write to %s (%s)" err)))))) | |
| 1244 | ||
| 1245 | (defun nnfolder-open-marks (group server) | |
| 1246 | (let ((file (nnfolder-group-marks-pathname group))) | |
| 1247 | (if (file-exists-p file) | |
| 1248 | (condition-case err | |
| 1249 | (with-temp-buffer | |
| 1250 | (gnus-sethash file (nth 5 (file-attributes file)) | |
| 1251 | nnfolder-marks-modtime) | |
| 1252 | (nnheader-insert-file-contents file) | |
| 1253 | (setq nnfolder-marks (read (current-buffer))) | |
| 1254 | (dolist (el gnus-article-unpropagated-mark-lists) | |
| 1255 | (setq nnfolder-marks (gnus-remassoc el nnfolder-marks)))) | |
| 1256 | (error (or (gnus-yes-or-no-p | |
| 1257 | (format "Error reading nnfolder marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err)) | |
| 1258 | (error "Cannot read nnfolder marks file %s (%s)" file err)))) | |
| 1259 | ;; User didn't have a .marks file. Probably first time | |
| 1260 | ;; user of the .marks stuff. Bootstrap it from .newsrc.eld. | |
| 1261 | (let ((info (gnus-get-info | |
| 1262 | (gnus-group-prefixed-name | |
| 1263 | group | |
| 1264 | (gnus-server-to-method (format "nnfolder:%s" server)))))) | |
| 1265 | (nnheader-message 7 "Bootstrapping marks for %s..." group) | |
| 1266 | (setq nnfolder-marks (gnus-info-marks info)) | |
| 1267 | (push (cons 'read (gnus-info-read info)) nnfolder-marks) | |
| 1268 | (dolist (el gnus-article-unpropagated-mark-lists) | |
| 1269 | (setq nnfolder-marks (gnus-remassoc el nnfolder-marks))) | |
| 1270 | (nnfolder-save-marks group server) | |
| 1271 | (nnheader-message 7 "Bootstrapping marks for %s...done" group))))) | |
| 1272 | ||
| eec82323 LMI |
1273 | (provide 'nnfolder) |
| 1274 | ||
| ab5796a9 | 1275 | ;;; arch-tag: a040d0f4-4f4e-445f-8972-839575c5f7e6 |
| eec82323 | 1276 | ;;; nnfolder.el ends here |