HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| eec82323 | 1 | ;;; nnfolder.el --- mail folder access for Gnus |
| e84b4b86 | 2 | |
| ba318903 | 3 | ;; Copyright (C) 1995-2014 Free Software Foundation, Inc. |
| eec82323 | 4 | |
| 89b163db | 5 | ;; Author: Simon Josefsson <simon@josefsson.org> |
| 23f87bed MB |
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 | ||
| 5e809f55 | 14 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
| eec82323 | 15 | ;; it under the terms of the GNU General Public License as published by |
| 5e809f55 GM |
16 | ;; the Free Software Foundation, either version 3 of the License, or |
| 17 | ;; (at your option) any later version. | |
| eec82323 LMI |
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 | |
| 5e809f55 | 25 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| eec82323 LMI |
26 | |
| 27 | ;;; Commentary: | |
| 28 | ||
| 29 | ;;; Code: | |
| 30 | ||
| f0b7f5a8 | 31 | ;; For Emacs <22.2 and XEmacs. |
| 75327e94 GM |
32 | (eval-and-compile |
| 33 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) | |
| 34 | ||
| eec82323 LMI |
35 | (require 'nnheader) |
| 36 | (require 'message) | |
| 37 | (require 'nnmail) | |
| 38 | (require 'nnoo) | |
| 6748645f | 39 | (eval-when-compile (require 'cl)) |
| 23f87bed | 40 | (require 'gnus) |
| eec82323 | 41 | (require 'gnus-util) |
| 0d972486 | 42 | (require 'gnus-range) |
| eec82323 | 43 | |
| 547e921e | 44 | ;; FIXME not explicitly used in this file. |
| c5ce620e | 45 | (autoload 'gnus-article-unpropagatable-p "gnus-sum") |
| 23f87bed | 46 | |
| eec82323 LMI |
47 | (nnoo-declare nnfolder) |
| 48 | ||
| 49 | (defvoo nnfolder-directory (expand-file-name message-directory) | |
| 50 | "The name of the nnfolder directory.") | |
| 51 | ||
| 23f87bed MB |
52 | (defvoo nnfolder-nov-directory nil |
| 53 | "The name of the nnfolder NOV directory. | |
| 54 | If nil, `nnfolder-directory' is used.") | |
| 55 | ||
| eec82323 | 56 | (defvoo nnfolder-active-file |
| 16409b0b | 57 | (nnheader-concat nnfolder-directory "active") |
| eec82323 LMI |
58 | "The name of the active file.") |
| 59 | ||
| 60 | ;; I renamed this variable to something more in keeping with the general GNU | |
| 61 | ;; style. -SLB | |
| 62 | ||
| 63 | (defvoo nnfolder-ignore-active-file nil | |
| dcf4ae73 | 64 | "If non-nil, the active file is ignored. |
| 16409b0b GM |
65 | This causes nnfolder to do some extra work in order to determine the |
| 66 | true active ranges of an mbox file. Note that the active file is | |
| dcf4ae73 | 67 | still saved, but its values are not used. This costs some extra time |
| 16409b0b | 68 | when scanning an mbox when opening it.") |
| eec82323 LMI |
69 | |
| 70 | (defvoo nnfolder-distrust-mbox nil | |
| 16409b0b GM |
71 | "If non-nil, the folder will be distrusted. |
| 72 | This means that nnfolder will not trust the user with respect to | |
| 73 | inserting unaccounted for mail in the middle of an mbox file. This | |
| 74 | can greatly slow down scans, which now must scan the entire file for | |
| 75 | unmarked messages. When nil, scans occur forward from the last marked | |
| 76 | message, a huge time saver for large mailboxes.") | |
| eec82323 LMI |
77 | |
| 78 | (defvoo nnfolder-newsgroups-file | |
| 16409b0b | 79 | (concat (file-name-as-directory nnfolder-directory) "newsgroups") |
| eec82323 LMI |
80 | "Mail newsgroups description file.") |
| 81 | ||
| 82 | (defvoo nnfolder-get-new-mail t | |
| 83 | "If non-nil, nnfolder will check the incoming mail file and split the mail.") | |
| 84 | ||
| 85 | (defvoo nnfolder-prepare-save-mail-hook nil | |
| 86 | "Hook run narrowed to an article before saving.") | |
| 87 | ||
| 88 | (defvoo nnfolder-save-buffer-hook nil | |
| 89 | "Hook run before saving the nnfolder mbox buffer.") | |
| 90 | ||
| 23f87bed | 91 | |
| eec82323 LMI |
92 | (defvoo nnfolder-inhibit-expiry nil |
| 93 | "If non-nil, inhibit expiry.") | |
| 94 | ||
| 95 | \f | |
| 96 | ||
| 23f87bed | 97 | (defconst nnfolder-version "nnfolder 2.0" |
| eec82323 LMI |
98 | "nnfolder version.") |
| 99 | ||
| 100 | (defconst nnfolder-article-marker "X-Gnus-Article-Number: " | |
| 101 | "String used to demarcate what the article number for a message is.") | |
| 102 | ||
| 103 | (defvoo nnfolder-current-group nil) | |
| 104 | (defvoo nnfolder-current-buffer nil) | |
| 105 | (defvoo nnfolder-status-string "") | |
| 106 | (defvoo nnfolder-group-alist nil) | |
| 107 | (defvoo nnfolder-buffer-alist nil) | |
| 108 | (defvoo nnfolder-scantime-alist nil) | |
| 109 | (defvoo nnfolder-active-timestamp nil) | |
| 16409b0b | 110 | (defvoo nnfolder-active-file-coding-system mm-text-coding-system) |
| a1506d29 | 111 | (defvoo nnfolder-active-file-coding-system-for-write |
| 16409b0b GM |
112 | nnmail-active-file-coding-system) |
| 113 | (defvoo nnfolder-file-coding-system mm-text-coding-system) | |
| 114 | (defvoo nnfolder-file-coding-system-for-write nnheader-file-coding-system | |
| 115 | "Coding system for save nnfolder file. | |
| 23f87bed MB |
116 | if nil, `nnfolder-file-coding-system' is used.") ; FIXME: fill-in the doc-string of this variable |
| 117 | ||
| 118 | (defvoo nnfolder-nov-is-evil nil | |
| 119 | "If non-nil, Gnus will never generate and use nov databases for mail groups. | |
| 120 | Using nov databases will speed up header fetching considerably. | |
| 121 | This variable shouldn't be flipped much. If you have, for some reason, | |
| 122 | set this to t, and want to set it to nil again, you should always run | |
| 123 | the `nnfolder-generate-active-file' command. The function will go | |
| 124 | through all nnfolder directories and generate nov databases for them | |
| 125 | all. This may very well take some time.") | |
| 126 | ||
| 127 | (defvoo nnfolder-nov-file-suffix ".nov") | |
| 128 | ||
| 129 | (defvoo nnfolder-nov-buffer-alist nil) | |
| 130 | ||
| 131 | (defvar nnfolder-nov-buffer-file-name nil) | |
| 132 | ||
| eec82323 LMI |
133 | \f |
| 134 | ||
| 135 | ;;; Interface functions | |
| 136 | ||
| 137 | (nnoo-define-basics nnfolder) | |
| 138 | ||
| 139 | (deffoo nnfolder-retrieve-headers (articles &optional group server fetch-old) | |
| 20a673b2 | 140 | (with-current-buffer nntp-server-buffer |
| eec82323 | 141 | (erase-buffer) |
| 23f87bed | 142 | (let (article start stop num) |
| eec82323 LMI |
143 | (nnfolder-possibly-change-group group server) |
| 144 | (when nnfolder-current-buffer | |
| 145 | (set-buffer nnfolder-current-buffer) | |
| 146 | (goto-char (point-min)) | |
| 147 | (if (stringp (car articles)) | |
| 148 | 'headers | |
| 23f87bed MB |
149 | (if (nnfolder-retrieve-headers-with-nov articles fetch-old) |
| 150 | 'nov | |
| 151 | (setq articles (gnus-sorted-intersection | |
| 152 | ;; Is ARTICLES sorted? | |
| 153 | (sort articles '<) | |
| 154 | (nnfolder-existing-articles))) | |
| 155 | (while (setq article (pop articles)) | |
| 156 | (set-buffer nnfolder-current-buffer) | |
| 157 | (cond ((nnfolder-goto-article article) | |
| 158 | (setq start (point)) | |
| 159 | (setq stop (if (search-forward "\n\n" nil t) | |
| 160 | (1- (point)) | |
| 161 | (point-max))) | |
| 162 | (set-buffer nntp-server-buffer) | |
| 163 | (insert (format "221 %d Article retrieved.\n" article)) | |
| 164 | (insert-buffer-substring nnfolder-current-buffer | |
| 165 | start stop) | |
| 166 | (goto-char (point-max)) | |
| 167 | (insert ".\n")) | |
| 168 | ||
| 169 | ;; If we couldn't find this article, skip over ranges | |
| 170 | ;; of missing articles so we don't search the whole file | |
| 171 | ;; for each of them. | |
| 172 | ((numberp article) | |
| 173 | (setq start (point)) | |
| 174 | (and | |
| 175 | ;; Check that we are either at BOF or after an | |
| 176 | ;; article with a lower number. We do this so we | |
| 177 | ;; won't be confused by out-of-order article numbers, | |
| 178 | ;; as caused by active file bogosity. | |
| 179 | (cond | |
| 180 | ((bobp)) | |
| 181 | ((search-backward (concat "\n" nnfolder-article-marker) | |
| 182 | nil t) | |
| 183 | (goto-char (match-end 0)) | |
| e9bd5782 | 184 | (setq num (string-to-number |
| 23f87bed | 185 | (buffer-substring |
| 01c52d31 | 186 | (point) (point-at-eol)))) |
| 23f87bed MB |
187 | (goto-char start) |
| 188 | (< num article))) | |
| 189 | ;; Check that we are before an article with a | |
| 190 | ;; higher number. | |
| 191 | (search-forward (concat "\n" nnfolder-article-marker) | |
| 192 | nil t) | |
| 193 | (progn | |
| e9bd5782 | 194 | (setq num (string-to-number |
| 23f87bed | 195 | (buffer-substring |
| 01c52d31 | 196 | (point) (point-at-eol)))) |
| 23f87bed MB |
197 | (> num article)) |
| 198 | ;; Discard any article numbers before the one we're | |
| 199 | ;; now looking at. | |
| 200 | (while (and articles | |
| 201 | (< (car articles) num)) | |
| 202 | (setq articles (cdr articles)))) | |
| 203 | (goto-char start)))) | |
| 204 | (set-buffer nntp-server-buffer) | |
| 205 | (nnheader-fold-continuation-lines) | |
| 206 | 'headers)))))) | |
| eec82323 LMI |
207 | |
| 208 | (deffoo nnfolder-open-server (server &optional defs) | |
| 209 | (nnoo-change-server 'nnfolder server defs) | |
| 210 | (nnmail-activate 'nnfolder t) | |
| 211 | (gnus-make-directory nnfolder-directory) | |
| 23f87bed MB |
212 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 213 | (and nnfolder-nov-directory | |
| 214 | (gnus-make-directory nnfolder-nov-directory))) | |
| eec82323 LMI |
215 | (cond |
| 216 | ((not (file-exists-p nnfolder-directory)) | |
| 217 | (nnfolder-close-server) | |
| 218 | (nnheader-report 'nnfolder "Couldn't create directory: %s" | |
| 219 | nnfolder-directory)) | |
| 220 | ((not (file-directory-p (file-truename nnfolder-directory))) | |
| 221 | (nnfolder-close-server) | |
| 222 | (nnheader-report 'nnfolder "Not a directory: %s" nnfolder-directory)) | |
| 223 | (t | |
| 224 | (nnmail-activate 'nnfolder) | |
| 225 | (nnheader-report 'nnfolder "Opened server %s using directory %s" | |
| 226 | server nnfolder-directory) | |
| 227 | t))) | |
| 228 | ||
| 229 | (deffoo nnfolder-request-close () | |
| 230 | (let ((alist nnfolder-buffer-alist)) | |
| 231 | (while alist | |
| 232 | (nnfolder-close-group (caar alist) nil t) | |
| 233 | (setq alist (cdr alist)))) | |
| 234 | (nnoo-close-server 'nnfolder) | |
| 235 | (setq nnfolder-buffer-alist nil | |
| 236 | nnfolder-group-alist nil)) | |
| 237 | ||
| 238 | (deffoo nnfolder-request-article (article &optional group server buffer) | |
| 239 | (nnfolder-possibly-change-group group server) | |
| 20a673b2 | 240 | (with-current-buffer nnfolder-current-buffer |
| eec82323 | 241 | (goto-char (point-min)) |
| 6748645f | 242 | (when (nnfolder-goto-article article) |
| eec82323 | 243 | (let (start stop) |
| eec82323 LMI |
244 | (setq start (point)) |
| 245 | (forward-line 1) | |
| 246 | (unless (and (nnmail-search-unix-mail-delim) | |
| 247 | (forward-line -1)) | |
| 248 | (goto-char (point-max))) | |
| 249 | (setq stop (point)) | |
| 250 | (let ((nntp-server-buffer (or buffer nntp-server-buffer))) | |
| 251 | (set-buffer nntp-server-buffer) | |
| 252 | (erase-buffer) | |
| 253 | (insert-buffer-substring nnfolder-current-buffer start stop) | |
| 254 | (goto-char (point-min)) | |
| 255 | (while (looking-at "From ") | |
| 256 | (delete-char 5) | |
| 257 | (insert "X-From-Line: ") | |
| 258 | (forward-line 1)) | |
| 259 | (if (numberp article) | |
| 260 | (cons nnfolder-current-group article) | |
| 261 | (goto-char (point-min)) | |
| eec82323 | 262 | (cons nnfolder-current-group |
| a1506d29 | 263 | (if (search-forward (concat "\n" nnfolder-article-marker) |
| 16409b0b | 264 | nil t) |
| e9bd5782 | 265 | (string-to-number (buffer-substring |
| 01c52d31 | 266 | (point) (point-at-eol))) |
| 16409b0b | 267 | -1)))))))) |
| eec82323 | 268 | |
| 286c4fc2 | 269 | (deffoo nnfolder-request-group (group &optional server dont-check info) |
| eec82323 LMI |
270 | (nnfolder-possibly-change-group group server t) |
| 271 | (save-excursion | |
| 01c52d31 MB |
272 | (cond ((not (assoc group nnfolder-group-alist)) |
| 273 | (nnheader-report 'nnfolder "No such group: %s" group)) | |
| 274 | ((file-directory-p (nnfolder-group-pathname group)) | |
| 275 | (nnheader-report 'nnfolder "%s is a directory" | |
| 276 | (file-name-as-directory | |
| 277 | (let ((nnmail-pathname-coding-system nil)) | |
| 278 | (nnfolder-group-pathname group))))) | |
| 279 | (dont-check | |
| 280 | (nnheader-report 'nnfolder "Selected group %s" group) | |
| 281 | t) | |
| 282 | (t | |
| 283 | (let* ((active (assoc group nnfolder-group-alist)) | |
| 284 | (group (car active)) | |
| 285 | (range (cadr active))) | |
| 286 | (cond | |
| 287 | ((null active) | |
| 288 | (nnheader-report 'nnfolder "No such group: %s" group)) | |
| 289 | ((null nnfolder-current-group) | |
| 290 | (nnheader-report 'nnfolder "Empty group: %s" group)) | |
| 291 | (t | |
| 292 | (nnheader-report 'nnfolder "Selected group %s" group) | |
| 293 | (nnheader-insert "211 %d %d %d %s\n" | |
| 294 | (1+ (- (cdr range) (car range))) | |
| 295 | (car range) (cdr range) group)))))))) | |
| eec82323 LMI |
296 | |
| 297 | (deffoo nnfolder-request-scan (&optional group server) | |
| 298 | (nnfolder-possibly-change-group nil server) | |
| 299 | (when nnfolder-get-new-mail | |
| 300 | (nnfolder-possibly-change-group group server) | |
| 301 | (nnmail-get-new-mail | |
| 549c9aed G |
302 | 'nnfolder 'nnfolder-save-all-buffers |
| 303 | nnfolder-directory group))) | |
| 304 | ||
| 305 | (defun nnfolder-save-all-buffers () | |
| 306 | (let ((bufs nnfolder-buffer-alist)) | |
| 307 | (save-excursion | |
| 308 | (while bufs | |
| 309 | (if (not (gnus-buffer-live-p (nth 1 (car bufs)))) | |
| 310 | (setq nnfolder-buffer-alist | |
| 311 | (delq (car bufs) nnfolder-buffer-alist)) | |
| 312 | (set-buffer (nth 1 (car bufs))) | |
| 313 | (nnfolder-save-buffer) | |
| 314 | (kill-buffer (current-buffer))) | |
| 315 | (setq bufs (cdr bufs)))))) | |
| eec82323 LMI |
316 | |
| 317 | ;; Don't close the buffer if we're not shutting down the server. This way, | |
| 318 | ;; we can keep the buffer in the group buffer cache, and not have to grovel | |
| 319 | ;; over the buffer again unless we add new mail to it or modify it in some | |
| 320 | ;; way. | |
| 321 | ||
| 322 | (deffoo nnfolder-close-group (group &optional server force) | |
| 323 | ;; Make sure we _had_ the group open. | |
| 324 | (when (or (assoc group nnfolder-buffer-alist) | |
| 325 | (equal group nnfolder-current-group)) | |
| 326 | (let ((inf (assoc group nnfolder-buffer-alist))) | |
| 327 | (when inf | |
| 328 | (when (and nnfolder-current-group | |
| 329 | nnfolder-current-buffer) | |
| 330 | (push (list nnfolder-current-group nnfolder-current-buffer) | |
| 331 | nnfolder-buffer-alist)) | |
| 332 | (setq nnfolder-buffer-alist | |
| 333 | (delq inf nnfolder-buffer-alist)) | |
| 334 | (setq nnfolder-current-buffer (cadr inf) | |
| 335 | nnfolder-current-group (car inf)))) | |
| 336 | (when (and nnfolder-current-buffer | |
| 337 | (buffer-name nnfolder-current-buffer)) | |
| 20a673b2 | 338 | (with-current-buffer nnfolder-current-buffer |
| eec82323 LMI |
339 | ;; If the buffer was modified, write the file out now. |
| 340 | (nnfolder-save-buffer) | |
| 341 | ;; If we're shutting the server down, we need to kill the | |
| 342 | ;; buffer and remove it from the open buffer list. Or, of | |
| 343 | ;; course, if we're trying to minimize our space impact. | |
| 344 | (kill-buffer (current-buffer)) | |
| 345 | (setq nnfolder-buffer-alist (delq (assoc group nnfolder-buffer-alist) | |
| 346 | nnfolder-buffer-alist))))) | |
| 347 | (setq nnfolder-current-group nil | |
| 348 | nnfolder-current-buffer nil) | |
| 349 | t) | |
| 350 | ||
| 351 | (deffoo nnfolder-request-create-group (group &optional server args) | |
| 352 | (nnfolder-possibly-change-group nil server) | |
| 353 | (nnmail-activate 'nnfolder) | |
| 01c52d31 MB |
354 | (cond ((zerop (length group)) |
| 355 | (nnheader-report 'nnfolder "Invalid (empty) group name")) | |
| 356 | ((file-directory-p (nnfolder-group-pathname group)) | |
| 357 | (nnheader-report 'nnfolder "%s is a directory" | |
| 358 | (file-name-as-directory | |
| 359 | (let ((nnmail-pathname-coding-system nil)) | |
| 360 | (nnfolder-group-pathname group))))) | |
| 361 | ((assoc group nnfolder-group-alist) | |
| 362 | t) | |
| 363 | (t | |
| 364 | (push (list group (cons 1 0)) nnfolder-group-alist) | |
| 365 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) | |
| 366 | (save-current-buffer | |
| 367 | (nnfolder-read-folder group)) | |
| 368 | t))) | |
| eec82323 LMI |
369 | |
| 370 | (deffoo nnfolder-request-list (&optional server) | |
| 371 | (nnfolder-possibly-change-group nil server) | |
| 372 | (save-excursion | |
| 16409b0b | 373 | (let ((nnmail-file-coding-system nnfolder-active-file-coding-system)) |
| 58724016 KH |
374 | (nnmail-find-file nnfolder-active-file) |
| 375 | (setq nnfolder-group-alist (nnmail-get-active))) | |
| eec82323 LMI |
376 | t)) |
| 377 | ||
| 378 | (deffoo nnfolder-request-newgroups (date &optional server) | |
| 379 | (nnfolder-possibly-change-group nil server) | |
| 380 | (nnfolder-request-list server)) | |
| 381 | ||
| 382 | (deffoo nnfolder-request-list-newsgroups (&optional server) | |
| 383 | (nnfolder-possibly-change-group nil server) | |
| 384 | (save-excursion | |
| 16409b0b GM |
385 | (let ((nnmail-file-coding-system nnfolder-file-coding-system)) |
| 386 | (nnmail-find-file nnfolder-newsgroups-file)))) | |
| 387 | ||
| 388 | ;; Return a list consisting of all article numbers existing in the | |
| 389 | ;; current folder. | |
| 390 | ||
| 391 | (defun nnfolder-existing-articles () | |
| 392 | (save-excursion | |
| 393 | (when nnfolder-current-buffer | |
| 394 | (set-buffer nnfolder-current-buffer) | |
| 395 | (goto-char (point-min)) | |
| 396 | (let ((marker (concat "\n" nnfolder-article-marker)) | |
| 397 | (number "[0-9]+") | |
| 398 | numbers) | |
| 16409b0b GM |
399 | (while (and (search-forward marker nil t) |
| 400 | (re-search-forward number nil t)) | |
| 401 | (let ((newnum (string-to-number (match-string 0)))) | |
| 402 | (if (nnmail-within-headers-p) | |
| 403 | (push newnum numbers)))) | |
| 23f87bed MB |
404 | ;; The article numbers are increasing, so this result is sorted. |
| 405 | (nreverse numbers))))) | |
| eec82323 | 406 | |
| 75327e94 GM |
407 | (autoload 'gnus-request-group "gnus-int") |
| 408 | (declare-function gnus-request-create-group "gnus-int" | |
| 409 | (group &optional gnus-command-method args)) | |
| 410 | ||
| 01c52d31 MB |
411 | (deffoo nnfolder-request-expire-articles (articles newsgroup |
| 412 | &optional server force) | |
| eec82323 | 413 | (nnfolder-possibly-change-group newsgroup server) |
| 01c52d31 MB |
414 | (let ((is-old t) |
| 415 | ;; The articles we have deleted so far. | |
| 416 | (deleted-articles nil) | |
| 417 | ;; The articles that really exist and will | |
| 418 | ;; be expired if they are old enough. | |
| 419 | (maybe-expirable | |
| 420 | (gnus-sorted-intersection articles (nnfolder-existing-articles))) | |
| 421 | target) | |
| eec82323 LMI |
422 | (nnmail-activate 'nnfolder) |
| 423 | ||
| 20a673b2 | 424 | (with-current-buffer nnfolder-current-buffer |
| 16409b0b GM |
425 | ;; Since messages are sorted in arrival order and expired in the |
| 426 | ;; same order, we can stop as soon as we find a message that is | |
| 427 | ;; too old. | |
| 428 | (while (and maybe-expirable is-old) | |
| eec82323 | 429 | (goto-char (point-min)) |
| 16409b0b GM |
430 | (when (and (nnfolder-goto-article (car maybe-expirable)) |
| 431 | (search-forward (concat "\n" nnfolder-article-marker) | |
| 432 | nil t)) | |
| 433 | (forward-sexp) | |
| 434 | (when (setq is-old | |
| 435 | (nnmail-expired-article-p | |
| 436 | newsgroup | |
| 437 | (buffer-substring | |
| 438 | (point) (progn (end-of-line) (point))) | |
| 439 | force nnfolder-inhibit-expiry)) | |
| 01c52d31 MB |
440 | (setq target nnmail-expiry-target) |
| 441 | (unless (eq target 'delete) | |
| 0d972486 | 442 | (with-temp-buffer |
| a1506d29 | 443 | (nnfolder-request-article (car maybe-expirable) |
| 0d972486 | 444 | newsgroup server (current-buffer)) |
| 23f87bed | 445 | (let ((nnfolder-current-directory nil)) |
| 01c52d31 MB |
446 | (when (functionp target) |
| 447 | (setq target (funcall target newsgroup))) | |
| 9091f2d3 MB |
448 | (when (and target (not (eq target 'delete))) |
| 449 | (if (or (gnus-request-group target) | |
| 450 | (gnus-request-create-group target)) | |
| 451 | (nnmail-expiry-target-group target newsgroup) | |
| 452 | (setq target nil))))) | |
| 23f87bed | 453 | (nnfolder-possibly-change-group newsgroup server)) |
| 01c52d31 MB |
454 | (when target |
| 455 | (nnheader-message 5 "Deleting article %d in %s..." | |
| 456 | (car maybe-expirable) newsgroup) | |
| 457 | (nnfolder-delete-mail) | |
| 458 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
| 459 | (nnfolder-nov-delete-article newsgroup (car maybe-expirable))) | |
| 460 | ;; Must remember which articles were actually deleted | |
| 461 | (push (car maybe-expirable) deleted-articles)))) | |
| 16409b0b | 462 | (setq maybe-expirable (cdr maybe-expirable))) |
| eec82323 LMI |
463 | (unless nnfolder-inhibit-expiry |
| 464 | (nnheader-message 5 "Deleting articles...done")) | |
| 465 | (nnfolder-save-buffer) | |
| 466 | (nnfolder-adjust-min-active newsgroup) | |
| 16409b0b | 467 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| acf151a8 LI |
468 | (nnfolder-save-all-buffers) |
| 469 | (gnus-sorted-difference articles (nreverse deleted-articles))))) | |
| eec82323 | 470 | |
| c9fc72fa | 471 | (deffoo nnfolder-request-move-article (article group server accept-form |
| 01c52d31 | 472 | &optional last move-is-internal) |
| 6748645f LMI |
473 | (save-excursion |
| 474 | (let ((buf (get-buffer-create " *nnfolder move*")) | |
| 475 | result) | |
| 476 | (and | |
| 477 | (nnfolder-request-article article group server) | |
| 20a673b2 | 478 | (with-current-buffer buf |
| 6748645f LMI |
479 | (erase-buffer) |
| 480 | (insert-buffer-substring nntp-server-buffer) | |
| 481 | (goto-char (point-min)) | |
| 482 | (while (re-search-forward | |
| 483 | (concat "^" nnfolder-article-marker) | |
| a1506d29 | 484 | (save-excursion (and (search-forward "\n\n" nil t) (point))) |
| 16409b0b | 485 | t) |
| 23f87bed | 486 | (gnus-delete-line)) |
| 6748645f LMI |
487 | (setq result (eval accept-form)) |
| 488 | (kill-buffer buf) | |
| 489 | result) | |
| 490 | (save-excursion | |
| 491 | (nnfolder-possibly-change-group group server) | |
| 492 | (set-buffer nnfolder-current-buffer) | |
| 493 | (goto-char (point-min)) | |
| 494 | (when (nnfolder-goto-article article) | |
| 495 | (nnfolder-delete-mail)) | |
| 23f87bed MB |
496 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 497 | (nnfolder-nov-delete-article group article)) | |
| 6748645f LMI |
498 | (when last |
| 499 | (nnfolder-save-buffer) | |
| 500 | (nnfolder-adjust-min-active group) | |
| 16409b0b | 501 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)))) |
| 6748645f | 502 | result))) |
| eec82323 LMI |
503 | |
| 504 | (deffoo nnfolder-request-accept-article (group &optional server last) | |
| 6748645f LMI |
505 | (save-excursion |
| 506 | (nnfolder-possibly-change-group group server) | |
| 507 | (nnmail-check-syntax) | |
| 508 | (let ((buf (current-buffer)) | |
| 509 | result art-group) | |
| 510 | (goto-char (point-min)) | |
| 511 | (when (looking-at "X-From-Line: ") | |
| f9936da6 SZ |
512 | (replace-match "From ") |
| 513 | (while (progn (forward-line) (looking-at "[ \t]")) | |
| 514 | (delete-char -1))) | |
| 23f87bed MB |
515 | (with-temp-buffer |
| 516 | (let ((nnmail-file-coding-system nnfolder-active-file-coding-system) | |
| 517 | (nntp-server-buffer (current-buffer))) | |
| 518 | (nnmail-find-file nnfolder-active-file) | |
| 519 | (setq nnfolder-group-alist (nnmail-parse-active)))) | |
| 520 | (save-excursion | |
| 521 | (goto-char (point-min)) | |
| 522 | (if (search-forward "\n\n" nil t) | |
| 523 | (forward-line -1) | |
| 524 | (goto-char (point-max))) | |
| 525 | (while (re-search-backward (concat "^" nnfolder-article-marker) nil t) | |
| 526 | (delete-region (point) (progn (forward-line 1) (point)))) | |
| 527 | (when nnmail-cache-accepted-message-ids | |
| c9fc72fa | 528 | (nnmail-cache-insert (nnmail-fetch-field "message-id") |
| 23f87bed MB |
529 | group |
| 530 | (nnmail-fetch-field "subject") | |
| 531 | (nnmail-fetch-field "from"))) | |
| 532 | (setq result (if (stringp group) | |
| 533 | (list (cons group (nnfolder-active-number group))) | |
| 534 | (setq art-group | |
| 535 | (nnmail-article-group 'nnfolder-active-number)))) | |
| 536 | (if (and (null result) | |
| 537 | (yes-or-no-p "Moved to `junk' group; delete article? ")) | |
| 538 | (setq result 'junk) | |
| 539 | (setq result | |
| 540 | (car (nnfolder-save-mail result))))) | |
| 541 | (when last | |
| 542 | (save-excursion | |
| 543 | (nnfolder-possibly-change-folder (or (caar art-group) group)) | |
| 544 | (nnfolder-save-buffer) | |
| 545 | (when nnmail-cache-accepted-message-ids | |
| 546 | (nnmail-cache-close)))) | |
| 16409b0b | 547 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| 6748645f LMI |
548 | (unless result |
| 549 | (nnheader-report 'nnfolder "Couldn't store article")) | |
| 550 | result))) | |
| eec82323 LMI |
551 | |
| 552 | (deffoo nnfolder-request-replace-article (article group buffer) | |
| 553 | (nnfolder-possibly-change-group group) | |
| 20a673b2 | 554 | (with-current-buffer buffer |
| 6748645f | 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 | 570 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 20a673b2 | 571 | (with-current-buffer buffer |
| 23f87bed MB |
572 | (let ((headers (nnfolder-parse-head article |
| 573 | (point-min) (point-max)))) | |
| 574 | (with-current-buffer (nnfolder-open-nov group) | |
| 575 | (if (nnheader-find-nov-line article) | |
| 576 | (delete-region (point) (progn (forward-line 1) (point)))) | |
| 577 | (nnheader-insert-nov headers))))) | |
| eec82323 LMI |
578 | (nnfolder-save-buffer) |
| 579 | t))) | |
| 580 | ||
| 581 | (deffoo nnfolder-request-delete-group (group &optional force server) | |
| 582 | (nnfolder-close-group group server t) | |
| 583 | ;; Delete all articles in GROUP. | |
| 584 | (if (not force) | |
| 585 | () ; Don't delete the articles. | |
| 586 | ;; Delete the file that holds the group. | |
| 23f87bed | 587 | (let ((data (nnfolder-group-pathname group)) |
| 89b163db | 588 | (nov (nnfolder-group-nov-pathname group))) |
| 23f87bed | 589 | (ignore-errors (delete-file data)) |
| 89b163db | 590 | (ignore-errors (delete-file nov)))) |
| eec82323 LMI |
591 | ;; Remove the group from all structures. |
| 592 | (setq nnfolder-group-alist | |
| 593 | (delq (assoc group nnfolder-group-alist) nnfolder-group-alist) | |
| 594 | nnfolder-current-group nil | |
| 595 | nnfolder-current-buffer nil) | |
| 596 | ;; Save the active file. | |
| 16409b0b | 597 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| eec82323 LMI |
598 | t) |
| 599 | ||
| 600 | (deffoo nnfolder-request-rename-group (group new-name &optional server) | |
| 601 | (nnfolder-possibly-change-group group server) | |
| 20a673b2 | 602 | (with-current-buffer nnfolder-current-buffer |
| eec82323 LMI |
603 | (and (file-writable-p buffer-file-name) |
| 604 | (ignore-errors | |
| 23f87bed MB |
605 | (let ((new-file (nnfolder-group-pathname new-name))) |
| 606 | (gnus-make-directory (file-name-directory new-file)) | |
| 607 | (rename-file buffer-file-name new-file) | |
| 608 | (when (file-exists-p (nnfolder-group-nov-pathname group)) | |
| 609 | (setq new-file (nnfolder-group-nov-pathname new-name)) | |
| 610 | (gnus-make-directory (file-name-directory new-file)) | |
| 89b163db | 611 | (rename-file (nnfolder-group-nov-pathname group) new-file))) |
| eec82323 LMI |
612 | t) |
| 613 | ;; That went ok, so we change the internal structures. | |
| 614 | (let ((entry (assoc group nnfolder-group-alist))) | |
| 615 | (and entry (setcar entry new-name)) | |
| 616 | (setq nnfolder-current-buffer nil | |
| 617 | nnfolder-current-group nil) | |
| 618 | ;; Save the new group alist. | |
| 16409b0b | 619 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| eec82323 LMI |
620 | ;; We kill the buffer instead of renaming it and stuff. |
| 621 | (kill-buffer (current-buffer)) | |
| 622 | t)))) | |
| 623 | ||
| 23f87bed | 624 | (deffoo nnfolder-request-regenerate (server) |
| a8151ef7 LMI |
625 | (nnfolder-possibly-change-group nil server) |
| 626 | (nnfolder-generate-active-file) | |
| 627 | t) | |
| 628 | ||
| eec82323 LMI |
629 | \f |
| 630 | ;;; Internal functions. | |
| 631 | ||
| 632 | (defun nnfolder-adjust-min-active (group) | |
| 633 | ;; Find the lowest active article in this group. | |
| 634 | (let* ((active (cadr (assoc group nnfolder-group-alist))) | |
| 635 | (marker (concat "\n" nnfolder-article-marker)) | |
| 636 | (number "[0-9]+") | |
| 637 | (activemin (cdr active))) | |
| 20a673b2 | 638 | (with-current-buffer nnfolder-current-buffer |
| eec82323 LMI |
639 | (goto-char (point-min)) |
| 640 | (while (and (search-forward marker nil t) | |
| 641 | (re-search-forward number nil t)) | |
| 6748645f LMI |
642 | (let ((newnum (string-to-number (match-string 0)))) |
| 643 | (if (nnmail-within-headers-p) | |
| 644 | (setq activemin (min activemin newnum))))) | |
| eec82323 LMI |
645 | (setcar active activemin)))) |
| 646 | ||
| 647 | (defun nnfolder-article-string (article) | |
| 648 | (if (numberp article) | |
| 649 | (concat "\n" nnfolder-article-marker (int-to-string article) " ") | |
| 650 | (concat "\nMessage-ID: " article))) | |
| 651 | ||
| 6748645f LMI |
652 | (defun nnfolder-goto-article (article) |
| 653 | "Place point at the start of the headers of ARTICLE. | |
| 654 | ARTICLE can be an article number or a Message-ID. | |
| 655 | Returns t if successful, nil otherwise." | |
| 656 | (let ((art-string (nnfolder-article-string article)) | |
| 657 | start found) | |
| 658 | ;; It is likely that we are at or before the delimiter line. | |
| 659 | ;; We therefore go to the end of the previous line, and start | |
| 660 | ;; searching from there. | |
| 661 | (beginning-of-line) | |
| 662 | (unless (bobp) | |
| 663 | (forward-char -1)) | |
| 664 | (setq start (point)) | |
| 665 | ;; First search forward. | |
| 666 | (while (and (setq found (search-forward art-string nil t)) | |
| 667 | (not (nnmail-within-headers-p)))) | |
| 668 | ;; If unsuccessful, search backward from where we started, | |
| 669 | (unless found | |
| 670 | (goto-char start) | |
| 671 | (while (and (setq found (search-backward art-string nil t)) | |
| 672 | (not (nnmail-within-headers-p))))) | |
| 673 | (when found | |
| 674 | (nnmail-search-unix-mail-delim-backward)))) | |
| 675 | ||
| 676 | (defun nnfolder-delete-mail (&optional leave-delim) | |
| 677 | "Delete the message that point is in. | |
| 678 | If optional argument LEAVE-DELIM is t, then mailbox delimiter is not | |
| 679 | deleted. Point is left where the deleted region was." | |
| 16409b0b GM |
680 | (save-restriction |
| 681 | (narrow-to-region | |
| 682 | (save-excursion | |
| 683 | ;; In case point is at the beginning of the message already. | |
| 684 | (forward-line 1) | |
| 685 | (nnmail-search-unix-mail-delim-backward) | |
| 686 | (if leave-delim (progn (forward-line 1) (point)) | |
| 687 | (point))) | |
| 688 | (progn | |
| 689 | (forward-line 1) | |
| 690 | (if (nnmail-search-unix-mail-delim) | |
| 691 | (point) | |
| 692 | (point-max)))) | |
| 693 | (run-hooks 'nnfolder-delete-mail-hook) | |
| 694 | (delete-region (point-min) (point-max)))) | |
| eec82323 LMI |
695 | |
| 696 | (defun nnfolder-possibly-change-group (group &optional server dont-check) | |
| 697 | ;; Change servers. | |
| 698 | (when (and server | |
| 699 | (not (nnfolder-server-opened server))) | |
| 700 | (nnfolder-open-server server)) | |
| 701 | (unless (gnus-buffer-live-p nnfolder-current-buffer) | |
| 702 | (setq nnfolder-current-buffer nil | |
| 703 | nnfolder-current-group nil)) | |
| 704 | ;; Change group. | |
| 23f87bed MB |
705 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
| 706 | (when (and group | |
| 707 | (not (equal group nnfolder-current-group)) | |
| 708 | (progn | |
| 709 | (nnmail-activate 'nnfolder) | |
| 710 | (and (assoc group nnfolder-group-alist) | |
| 711 | (file-exists-p (nnfolder-group-pathname group))))) | |
| 58724016 | 712 | (if dont-check |
| a8151ef7 LMI |
713 | (setq nnfolder-current-group group |
| 714 | nnfolder-current-buffer nil) | |
| 58724016 | 715 | (let (inf file) |
| 23f87bed MB |
716 | ;; If we have to change groups, see if we don't already have |
| 717 | ;; the folder in memory. If we do, verify the modtime and | |
| 718 | ;; destroy the folder if needed so we can rescan it. | |
| a8151ef7 LMI |
719 | (setq nnfolder-current-buffer |
| 720 | (nth 1 (assoc group nnfolder-buffer-alist))) | |
| 721 | ||
| 23f87bed MB |
722 | ;; If the buffer is not live, make sure it isn't in the |
| 723 | ;; alist. If it is live, verify that nobody else has | |
| 724 | ;; touched the file since last time. | |
| 58724016 KH |
725 | (when (and nnfolder-current-buffer |
| 726 | (not (gnus-buffer-live-p nnfolder-current-buffer))) | |
| 727 | (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist) | |
| 728 | nnfolder-current-buffer nil)) | |
| a8151ef7 | 729 | |
| 58724016 | 730 | (setq nnfolder-current-group group) |
| a8151ef7 | 731 | |
| 58724016 | 732 | (when (or (not nnfolder-current-buffer) |
| 6748645f LMI |
733 | (not (verify-visited-file-modtime |
| 734 | nnfolder-current-buffer))) | |
| 58724016 KH |
735 | (save-excursion |
| 736 | (setq file (nnfolder-group-pathname group)) | |
| 737 | ;; See whether we need to create the new file. | |
| 738 | (unless (file-exists-p file) | |
| 739 | (gnus-make-directory (file-name-directory file)) | |
| a1506d29 | 740 | (let ((nnmail-file-coding-system |
| 16409b0b GM |
741 | (or nnfolder-file-coding-system-for-write |
| 742 | nnfolder-file-coding-system-for-write))) | |
| be1ad767 SM |
743 | (nnmail-write-region (point-min) (point-min) |
| 744 | file t 'nomesg))) | |
| 58724016 KH |
745 | (when (setq nnfolder-current-buffer (nnfolder-read-folder group)) |
| 746 | (set-buffer nnfolder-current-buffer) | |
| 747 | (push (list group nnfolder-current-buffer) | |
| 748 | nnfolder-buffer-alist))))))))) | |
| eec82323 LMI |
749 | |
| 750 | (defun nnfolder-save-mail (group-art-list) | |
| 751 | "Called narrowed to an article." | |
| 752 | (let* (save-list group-art) | |
| 753 | (goto-char (point-min)) | |
| 754 | ;; The From line may have been quoted by movemail. | |
| 16409b0b | 755 | (when (looking-at ">From") |
| eec82323 LMI |
756 | (delete-char 1)) |
| 757 | ;; This might come from somewhere else. | |
| 16409b0b | 758 | (unless (looking-at "From ") |
| eec82323 LMI |
759 | (insert "From nobody " (current-time-string) "\n") |
| 760 | (goto-char (point-min))) | |
| 6748645f | 761 | ;; Quote all "From " lines in the article. |
| 16409b0b | 762 | (forward-line 1) |
| eec82323 LMI |
763 | (let (case-fold-search) |
| 764 | (while (re-search-forward "^From " nil t) | |
| 765 | (beginning-of-line) | |
| 766 | (insert "> "))) | |
| 767 | (setq save-list group-art-list) | |
| 768 | (nnmail-insert-lines) | |
| 769 | (nnmail-insert-xref group-art-list) | |
| 770 | (run-hooks 'nnmail-prepare-save-mail-hook) | |
| 771 | (run-hooks 'nnfolder-prepare-save-mail-hook) | |
| 772 | ||
| 773 | ;; Insert the mail into each of the destination groups. | |
| 774 | (while (setq group-art (pop group-art-list)) | |
| 775 | ;; Kill any previous newsgroup markers. | |
| 776 | (goto-char (point-min)) | |
| 16409b0b GM |
777 | (if (search-forward "\n\n" nil t) |
| 778 | (forward-line -1) | |
| 779 | (goto-char (point-max))) | |
| eec82323 LMI |
780 | (while (search-backward (concat "\n" nnfolder-article-marker) nil t) |
| 781 | (delete-region (1+ (point)) (progn (forward-line 2) (point)))) | |
| 782 | ||
| 783 | ;; Insert the new newsgroup marker. | |
| 784 | (nnfolder-insert-newsgroup-line group-art) | |
| 785 | ||
| 786 | (save-excursion | |
| 787 | (let ((beg (point-min)) | |
| 788 | (end (point-max)) | |
| 789 | (obuf (current-buffer))) | |
| 790 | (nnfolder-possibly-change-folder (car group-art)) | |
| 791 | (let ((buffer-read-only nil)) | |
| 6748645f | 792 | (nnfolder-normalize-buffer) |
| 23f87bed MB |
793 | (insert-buffer-substring obuf beg end)) |
| 794 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
| 795 | (set-buffer obuf) | |
| 796 | (nnfolder-add-nov (car group-art) (cdr group-art) | |
| 797 | (nnfolder-parse-head nil beg end)))))) | |
| eec82323 LMI |
798 | |
| 799 | ;; Did we save it anywhere? | |
| 800 | save-list)) | |
| 801 | ||
| 6748645f LMI |
802 | (defun nnfolder-normalize-buffer () |
| 803 | "Make sure there are two newlines at the end of the buffer." | |
| 804 | (goto-char (point-max)) | |
| 805 | (skip-chars-backward "\n") | |
| 806 | (delete-region (point) (point-max)) | |
| 23f87bed MB |
807 | (unless (bobp) |
| 808 | (insert "\n\n"))) | |
| 6748645f | 809 | |
| eec82323 LMI |
810 | (defun nnfolder-insert-newsgroup-line (group-art) |
| 811 | (save-excursion | |
| 812 | (goto-char (point-min)) | |
| 16409b0b GM |
813 | (unless (search-forward "\n\n" nil t) |
| 814 | (goto-char (point-max)) | |
| 815 | (insert "\n")) | |
| 816 | (forward-char -1) | |
| 817 | (insert (format (concat nnfolder-article-marker "%d %s\n") | |
| 34128042 | 818 | (cdr group-art) (message-make-date))))) |
| eec82323 LMI |
819 | |
| 820 | (defun nnfolder-active-number (group) | |
| 821 | ;; Find the next article number in GROUP. | |
| 822 | (let ((active (cadr (assoc group nnfolder-group-alist)))) | |
| 823 | (if active | |
| 824 | (setcdr active (1+ (cdr active))) | |
| 825 | ;; This group is new, so we create a new entry for it. | |
| 826 | ;; This might be a bit naughty... creating groups on the drop of | |
| 827 | ;; a hat, but I don't know... | |
| 828 | (push (list group (setq active (cons 1 1))) | |
| 829 | nnfolder-group-alist)) | |
| 830 | (cdr active))) | |
| 831 | ||
| 832 | (defun nnfolder-possibly-change-folder (group) | |
| 833 | (let ((inf (assoc group nnfolder-buffer-alist))) | |
| 834 | (if (and inf | |
| 835 | (gnus-buffer-live-p (cadr inf))) | |
| 836 | (set-buffer (cadr inf)) | |
| 837 | (when inf | |
| 838 | (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist))) | |
| 839 | (when nnfolder-group-alist | |
| 16409b0b | 840 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)) |
| eec82323 LMI |
841 | (push (list group (nnfolder-read-folder group)) |
| 842 | nnfolder-buffer-alist)))) | |
| 843 | ||
| 23f87bed MB |
844 | ;; This method has a problem if you've accidentally let the active |
| 845 | ;; list get out of sync with the files. This could happen, say, if | |
| 846 | ;; you've accidentally gotten new mail with something other than Gnus | |
| 847 | ;; (but why would _that_ ever happen? :-). In that case, we will be | |
| 848 | ;; in the middle of processing the file, ready to add new X-Gnus | |
| 849 | ;; article number markers, and we'll run across a message with no ID | |
| 850 | ;; yet - the active list _may_not_ be ready for us yet. | |
| 851 | ||
| 852 | ;; To handle this, I'm modifying this routine to maintain the maximum | |
| 853 | ;; ID seen so far, and when we hit a message with no ID, we will | |
| 854 | ;; _manually_ scan the rest of the message looking for any more, | |
| 855 | ;; possibly higher IDs. We'll assume the maximum that we find is the | |
| 856 | ;; highest active. Note that this shouldn't cost us much extra time | |
| 857 | ;; at all, but will be a lot less vulnerable to glitches between the | |
| 858 | ;; mbox and the active file. | |
| eec82323 LMI |
859 | |
| 860 | (defun nnfolder-read-folder (group) | |
| 861 | (let* ((file (nnfolder-group-pathname group)) | |
| 23f87bed | 862 | (nov (nnfolder-group-nov-pathname group)) |
| 16409b0b | 863 | (buffer (set-buffer |
| a1506d29 | 864 | (let ((nnheader-file-coding-system |
| 16409b0b | 865 | nnfolder-file-coding-system)) |
| ff4d3926 | 866 | (nnheader-find-file-noselect file t))))) |
| 2c902422 | 867 | (mm-enable-multibyte) ;; Use multibyte buffer for future copying. |
| d4755e04 | 868 | (buffer-disable-undo) |
| eec82323 LMI |
869 | (if (equal (cadr (assoc group nnfolder-scantime-alist)) |
| 870 | (nth 5 (file-attributes file))) | |
| 871 | ;; This looks up-to-date, so we don't do any scanning. | |
| 6748645f LMI |
872 | (if (file-exists-p file) |
| 873 | buffer | |
| 874 | (push (list group buffer) nnfolder-buffer-alist) | |
| 875 | (set-buffer-modified-p t) | |
| 16409b0b | 876 | (nnfolder-save-buffer)) |
| eec82323 LMI |
877 | ;; Parse the damn thing. |
| 878 | (save-excursion | |
| 16409b0b GM |
879 | (goto-char (point-min)) |
| 880 | ;; Remove any blank lines at the start. | |
| 881 | (while (eq (following-char) ?\n) | |
| 882 | (delete-char 1)) | |
| eec82323 LMI |
883 | (nnmail-activate 'nnfolder) |
| 884 | ;; Read in the file. | |
| 16409b0b | 885 | (let ((delim "^From ") |
| eec82323 LMI |
886 | (marker (concat "\n" nnfolder-article-marker)) |
| 887 | (number "[0-9]+") | |
| 888 | (active (or (cadr (assoc group nnfolder-group-alist)) | |
| 889 | (cons 1 0))) | |
| 890 | (scantime (assoc group nnfolder-scantime-alist)) | |
| 548f737d MB |
891 | (minid (or (and (boundp 'most-positive-fixnum) |
| 892 | most-positive-fixnum) | |
| 893 | (lsh -1 -1))) | |
| eec82323 | 894 | maxid start end newscantime |
| 23f87bed | 895 | novbuf articles newnum |
| eec82323 | 896 | buffer-read-only) |
| eec82323 | 897 | (setq maxid (cdr active)) |
| 23f87bed MB |
898 | |
| 899 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil | |
| 900 | (and (file-exists-p nov) | |
| 901 | (file-newer-than-file-p nov file))) | |
| 902 | (unless (file-exists-p nov) | |
| 903 | (gnus-make-directory (file-name-directory nov))) | |
| 904 | (with-current-buffer | |
| 905 | (setq novbuf (nnfolder-open-nov group)) | |
| 906 | (goto-char (point-min)) | |
| 907 | (while (not (eobp)) | |
| 908 | (push (read novbuf) articles) | |
| 909 | (forward-line 1)) | |
| 910 | (setq articles (nreverse articles)))) | |
| eec82323 LMI |
911 | (goto-char (point-min)) |
| 912 | ||
| 23f87bed MB |
913 | ;; Anytime the active number is 1 or 0, it is suspect. In |
| 914 | ;; that case, search the file manually to find the active | |
| 915 | ;; number. Or, of course, if we're being paranoid. (This | |
| 916 | ;; would also be the place to build other lists from the | |
| 917 | ;; header markers, such as expunge lists, etc., if we ever | |
| 918 | ;; desired to abandon the active file entirely for mboxes.) | |
| eec82323 | 919 | (when (or nnfolder-ignore-active-file |
| 23f87bed | 920 | novbuf |
| eec82323 LMI |
921 | (< maxid 2)) |
| 922 | (while (and (search-forward marker nil t) | |
| 23f87bed MB |
923 | (looking-at number)) |
| 924 | (setq newnum (string-to-number (match-string 0))) | |
| 925 | (when (nnmail-within-headers-p) | |
| 926 | (setq maxid (max maxid newnum) | |
| 927 | minid (min minid newnum)) | |
| 928 | (when novbuf | |
| 929 | (if (memq newnum articles) | |
| 930 | (setq articles (delq newnum articles)) | |
| 931 | (let ((headers (nnfolder-parse-head newnum))) | |
| 932 | (with-current-buffer novbuf | |
| 933 | (nnheader-find-nov-line newnum) | |
| 934 | (nnheader-insert-nov headers))))))) | |
| 935 | (when (and novbuf articles) | |
| 936 | (with-current-buffer novbuf | |
| 937 | (dolist (article articles) | |
| 938 | (when (nnheader-find-nov-line article) | |
| 939 | (delete-region (point) | |
| 940 | (progn (forward-line 1) (point))))))) | |
| eec82323 LMI |
941 | (setcar active (max 1 (min minid maxid))) |
| 942 | (setcdr active (max maxid (cdr active))) | |
| 943 | (goto-char (point-min))) | |
| 944 | ||
| 23f87bed MB |
945 | ;; As long as we trust that the user will only insert |
| 946 | ;; unmarked mail at the end, go to the end and search | |
| 947 | ;; backwards for the last marker. Find the start of that | |
| 948 | ;; message, and begin to search for unmarked messages from | |
| 949 | ;; there. | |
| eec82323 LMI |
950 | (when (not (or nnfolder-distrust-mbox |
| 951 | (< maxid 2))) | |
| 952 | (goto-char (point-max)) | |
| 953 | (unless (re-search-backward marker nil t) | |
| 954 | (goto-char (point-min))) | |
| 23f87bed MB |
955 | ;;(when (nnmail-search-unix-mail-delim) |
| 956 | ;; (goto-char (point-min))) | |
| 957 | ) | |
| eec82323 | 958 | |
| 23f87bed MB |
959 | ;; Keep track of the active number on our own, and insert it |
| 960 | ;; back into the active list when we're done. Also, prime | |
| 961 | ;; the pump to cut down on the number of searches we do. | |
| eec82323 LMI |
962 | (unless (nnmail-search-unix-mail-delim) |
| 963 | (goto-char (point-max))) | |
| 964 | (setq end (point-marker)) | |
| 965 | (while (not (= end (point-max))) | |
| 966 | (setq start (marker-position end)) | |
| 967 | (goto-char end) | |
| 23f87bed | 968 | ;; There may be more than one "From " line, so we skip past |
| eec82323 LMI |
969 | ;; them. |
| 970 | (while (looking-at delim) | |
| 971 | (forward-line 1)) | |
| 972 | (set-marker end (if (nnmail-search-unix-mail-delim) | |
| 973 | (point) | |
| 974 | (point-max))) | |
| 975 | (goto-char start) | |
| 976 | (when (not (search-forward marker end t)) | |
| 977 | (narrow-to-region start end) | |
| 978 | (nnmail-insert-lines) | |
| 979 | (nnfolder-insert-newsgroup-line | |
| 23f87bed MB |
980 | (cons nil |
| 981 | (setq newnum | |
| 982 | (nnfolder-active-number group)))) | |
| 983 | (when novbuf | |
| 984 | (let ((headers (nnfolder-parse-head newnum (point-min) | |
| 985 | (point-max)))) | |
| 986 | (with-current-buffer novbuf | |
| 987 | (goto-char (point-max)) | |
| 988 | (nnheader-insert-nov headers)))) | |
| eec82323 LMI |
989 | (widen))) |
| 990 | ||
| 991 | (set-marker end nil) | |
| 23f87bed MB |
992 | ;; Make absolutely sure that the active list reflects |
| 993 | ;; reality! | |
| 16409b0b | 994 | (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) |
| 23f87bed | 995 | |
| eec82323 LMI |
996 | ;; Set the scantime for this group. |
| 997 | (setq newscantime (visited-file-modtime)) | |
| 998 | (if scantime | |
| 999 | (setcdr scantime (list newscantime)) | |
| 23f87bed | 1000 | (push (list group newscantime) |
| eec82323 | 1001 | nnfolder-scantime-alist)) |
| 23f87bed MB |
1002 | ;; Save nov. |
| 1003 | (when novbuf | |
| 1004 | (nnfolder-save-nov)) | |
| eec82323 LMI |
1005 | (current-buffer)))))) |
| 1006 | ||
| 4d1d3f07 LMI |
1007 | (defun nnfolder-recursive-directory-files (dir prefix) |
| 1008 | (let ((files nil)) | |
| 1009 | (dolist (file (directory-files dir)) | |
| 1010 | (cond | |
| 1011 | ((or (file-symlink-p (expand-file-name file dir)) | |
| 1012 | (member file '("." ".."))) | |
| 1013 | ;; Ignore | |
| 1014 | ) | |
| 1015 | ((file-directory-p (expand-file-name file dir)) | |
| 1016 | (setq files (nconc (nnfolder-recursive-directory-files | |
| 1017 | (expand-file-name file dir) | |
| 1018 | (if prefix | |
| 1019 | (concat prefix "." (directory-file-name file)) | |
| 1020 | (file-name-nondirectory file))) | |
| 1021 | files))) | |
| 1022 | ((file-regular-p (expand-file-name file dir)) | |
| 1023 | (push (if prefix | |
| 1024 | (concat prefix "." file) | |
| 1025 | file) | |
| 1026 | files)))) | |
| 1027 | files)) | |
| 1028 | ||
| eec82323 LMI |
1029 | ;;;###autoload |
| 1030 | (defun nnfolder-generate-active-file () | |
| 16409b0b GM |
1031 | "Look for mbox folders in the nnfolder directory and make them into groups. |
| 1032 | This command does not work if you use short group names." | |
| eec82323 LMI |
1033 | (interactive) |
| 1034 | (nnmail-activate 'nnfolder) | |
| 23f87bed MB |
1035 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) |
| 1036 | (dolist (file (directory-files (or nnfolder-nov-directory | |
| 1037 | nnfolder-directory) | |
| 1038 | t | |
| 1039 | (concat | |
| 1040 | (regexp-quote nnfolder-nov-file-suffix) | |
| 1041 | "$"))) | |
| 1042 | (when (not (message-mail-file-mbox-p file)) | |
| 1043 | (ignore-errors | |
| 1044 | (delete-file file))))) | |
| 4d1d3f07 LMI |
1045 | (dolist (file (if nnmail-use-long-file-names |
| 1046 | (directory-files nnfolder-directory) | |
| 1047 | (nnfolder-recursive-directory-files | |
| 1048 | nnfolder-directory nil))) | |
| eec82323 | 1049 | (when (and (not (backup-file-name-p file)) |
| 23f87bed | 1050 | (message-mail-file-mbox-p |
| 4d1d3f07 | 1051 | (nnfolder-group-pathname file))) |
| 23f87bed MB |
1052 | (let ((oldgroup (assoc file nnfolder-group-alist))) |
| 1053 | (if oldgroup | |
| 1054 | (nnheader-message 5 "Refreshing group %s..." file) | |
| 1055 | (nnheader-message 5 "Adding group %s..." file)) | |
| 03378294 RS |
1056 | (if oldgroup |
| 1057 | (setq nnfolder-group-alist | |
| 1058 | (delq oldgroup (copy-sequence nnfolder-group-alist)))) | |
| 23f87bed MB |
1059 | (push (list file (cons 1 0)) nnfolder-group-alist) |
| 1060 | (nnfolder-possibly-change-folder file) | |
| 1061 | (nnfolder-possibly-change-group file) | |
| 1062 | (nnfolder-close-group file)))) | |
| 01c52d31 | 1063 | (nnheader-message 5 "")) |
| eec82323 LMI |
1064 | |
| 1065 | (defun nnfolder-group-pathname (group) | |
| 35ef97a5 | 1066 | "Make file name for GROUP." |
| 16409b0b GM |
1067 | (setq group |
| 1068 | (mm-encode-coding-string group nnmail-pathname-coding-system)) | |
| eec82323 LMI |
1069 | (let ((dir (file-name-as-directory (expand-file-name nnfolder-directory)))) |
| 1070 | ;; If this file exists, we use it directly. | |
| 1071 | (if (or nnmail-use-long-file-names | |
| 1072 | (file-exists-p (concat dir group))) | |
| 1073 | (concat dir group) | |
| 1074 | ;; If not, we translate dots into slashes. | |
| 1075 | (concat dir (nnheader-replace-chars-in-string group ?. ?/))))) | |
| 1076 | ||
| 23f87bed MB |
1077 | (defun nnfolder-group-nov-pathname (group) |
| 1078 | "Make pathname for GROUP NOV." | |
| 1079 | (let ((nnfolder-directory | |
| 1080 | (or nnfolder-nov-directory nnfolder-directory))) | |
| 1081 | (concat (nnfolder-group-pathname group) nnfolder-nov-file-suffix))) | |
| 1082 | ||
| 06b840e0 LI |
1083 | (defvar copyright-update) |
| 1084 | ||
| eec82323 LMI |
1085 | (defun nnfolder-save-buffer () |
| 1086 | "Save the buffer." | |
| 89b163db G |
1087 | (let ((delete-old-versions t)) |
| 1088 | (when (buffer-modified-p) | |
| 1089 | (run-hooks 'nnfolder-save-buffer-hook) | |
| 1090 | (gnus-make-directory (file-name-directory (buffer-file-name))) | |
| 1091 | (let ((coding-system-for-write | |
| 1092 | (or nnfolder-file-coding-system-for-write | |
| 1093 | nnfolder-file-coding-system))) | |
| 1094 | (set (make-local-variable 'copyright-update) nil) | |
| 1095 | (save-buffer))) | |
| 1096 | (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
| 1097 | (nnfolder-save-nov)))) | |
| 16409b0b GM |
1098 | |
| 1099 | (defun nnfolder-save-active (group-alist active-file) | |
| 1100 | (let ((nnmail-active-file-coding-system | |
| 1101 | (or nnfolder-active-file-coding-system-for-write | |
| 1102 | nnfolder-active-file-coding-system))) | |
| 1103 | (nnmail-save-active group-alist active-file))) | |
| eec82323 | 1104 | |
| 23f87bed MB |
1105 | (defun nnfolder-open-nov (group) |
| 1106 | (or (cdr (assoc group nnfolder-nov-buffer-alist)) | |
| 1107 | (let ((buffer (get-buffer-create (format " *nnfolder overview %s*" group)))) | |
| 20a673b2 | 1108 | (with-current-buffer buffer |
| 23f87bed MB |
1109 | (set (make-local-variable 'nnfolder-nov-buffer-file-name) |
| 1110 | (nnfolder-group-nov-pathname group)) | |
| 1111 | (erase-buffer) | |
| 1112 | (when (file-exists-p nnfolder-nov-buffer-file-name) | |
| 1113 | (nnheader-insert-file-contents nnfolder-nov-buffer-file-name))) | |
| 1114 | (push (cons group buffer) nnfolder-nov-buffer-alist) | |
| 1115 | buffer))) | |
| 1116 | ||
| 1117 | (defun nnfolder-save-nov () | |
| 1118 | (save-excursion | |
| 1119 | (while nnfolder-nov-buffer-alist | |
| 1120 | (when (buffer-name (cdar nnfolder-nov-buffer-alist)) | |
| 1121 | (set-buffer (cdar nnfolder-nov-buffer-alist)) | |
| 1122 | (when (buffer-modified-p) | |
| 1123 | (gnus-make-directory (file-name-directory | |
| 1124 | nnfolder-nov-buffer-file-name)) | |
| 1125 | (nnmail-write-region 1 (point-max) nnfolder-nov-buffer-file-name | |
| 1126 | nil 'nomesg)) | |
| 1127 | (set-buffer-modified-p nil) | |
| 1128 | (kill-buffer (current-buffer))) | |
| 1129 | (setq nnfolder-nov-buffer-alist (cdr nnfolder-nov-buffer-alist))))) | |
| 1130 | ||
| 1131 | (defun nnfolder-nov-delete-article (group article) | |
| 20a673b2 | 1132 | (with-current-buffer (nnfolder-open-nov group) |
| 23f87bed MB |
1133 | (when (nnheader-find-nov-line article) |
| 1134 | (delete-region (point) (progn (forward-line 1) (point)))) | |
| 1135 | t)) | |
| 1136 | ||
| 1137 | (defun nnfolder-retrieve-headers-with-nov (articles &optional fetch-old) | |
| 1138 | (if (or gnus-nov-is-evil nnfolder-nov-is-evil) | |
| 1139 | nil | |
| 1140 | (let ((nov (nnfolder-group-nov-pathname nnfolder-current-group))) | |
| 1141 | (when (file-exists-p nov) | |
| 20a673b2 | 1142 | (with-current-buffer nntp-server-buffer |
| 23f87bed MB |
1143 | (erase-buffer) |
| 1144 | (nnheader-insert-file-contents nov) | |
| 1145 | (if (and fetch-old | |
| 1146 | (not (numberp fetch-old))) | |
| 1147 | t ; Don't remove anything. | |
| 1148 | (nnheader-nov-delete-outside-range | |
| 1149 | (if fetch-old (max 1 (- (car articles) fetch-old)) | |
| 1150 | (car articles)) | |
| 1151 | (car (last articles))) | |
| 1152 | t)))))) | |
| 1153 | ||
| 1154 | (defun nnfolder-parse-head (&optional number b e) | |
| 1155 | "Parse the head of the current buffer." | |
| 1156 | (let ((buf (current-buffer)) | |
| 1157 | chars) | |
| 1158 | (save-excursion | |
| 1159 | (unless b | |
| 1160 | (setq b (if (nnmail-search-unix-mail-delim-backward) | |
| 1161 | (point) (point-min))) | |
| 1162 | (forward-line 1) | |
| 1163 | (setq e (if (nnmail-search-unix-mail-delim) | |
| 1164 | (point) (point-max)))) | |
| 1165 | (setq chars (- e b)) | |
| 1166 | (unless (zerop chars) | |
| 1167 | (goto-char b) | |
| 1168 | (if (search-forward "\n\n" e t) (setq e (1- (point))))) | |
| 1169 | (with-temp-buffer | |
| 1170 | (insert-buffer-substring buf b e) | |
| 1171 | (let ((headers (nnheader-parse-naked-head))) | |
| 1172 | (mail-header-set-chars headers chars) | |
| 1173 | (mail-header-set-number headers number) | |
| 1174 | headers))))) | |
| 1175 | ||
| 1176 | (defun nnfolder-add-nov (group article headers) | |
| 1177 | "Add a nov line for the GROUP base." | |
| 20a673b2 | 1178 | (with-current-buffer (nnfolder-open-nov group) |
| 23f87bed MB |
1179 | (goto-char (point-max)) |
| 1180 | (mail-header-set-number headers article) | |
| 1181 | (nnheader-insert-nov headers))) | |
| 1182 | ||
| eec82323 LMI |
1183 | (provide 'nnfolder) |
| 1184 | ||
| 1185 | ;;; nnfolder.el ends here |