1 ;;; nnmaildir.el --- maildir backend for Gnus
2 ;; Copyright (c) 2001 Free Software Foundation, Inc.
3 ;; Copyright (c) 2000, 2001 Paul Jarc <prj@po.cwru.edu>
5 ;; Author: Paul Jarc <prj@po.cwru.edu>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
26 ;;; <URL:http://multivac.cwru.edu./nnmaildir/>
42 (gnus-declare-backend "nnmaildir" 'mail 'respool 'address)
43 (defconst nnmaildir-version "2001.12.19")
45 (defvar nnmaildir-article-file-name nil
46 "*The filename of the most recently requested article. This variable is set
47 by nnmaildir-request-article.")
49 ;; The filename of the article being moved/copied:
50 (defvar nnmaildir--file nil)
52 ;; Variables to generate filenames of messages being delivered:
53 (defvar nnmaildir--delivery-time "")
54 (defconst nnmaildir--delivery-pid (number-to-string (emacs-pid)))
55 (defvar nnmaildir--delivery-ct nil)
57 ;; An obarry containing symbols whose names are server names and whose values
59 (defvar nnmaildir--servers (make-vector 3 0))
60 ;; A server which has not necessarily been added to nnmaildir--servers, or nil:
61 (defvar nnmaildir--tmp-server nil)
62 ;; The current server:
63 (defvar nnmaildir--cur-server nil)
65 ;; A server is a vector:
68 "/expanded/path/to/directory/containing/symlinks/to/maildirs/"
69 directory-files-function
70 group-name-transformation-function
71 ;; An obarray containing symbols whose names are group names and whose values
74 ;; A group which has not necessarily been added to the group hash, or nil:
76 current-group ;; or nil
77 "Last error message, or nil"
79 get-new-mail-p ;; Should we split mail from mail-sources?
80 "new/group/creation/directory"]
82 ;; A group is a vector:
85 ;; Modification times of the "new", and "cur" directories:
88 ;; A vector containing lists of articles:
89 [;; A list of articles, with article numbers in descending order, ending with
92 ;; An obarray containing symbols whose names are filename prefixes and whose
93 ;; values are articles:
95 ;; Same as above, but keyed on Message-ID:
97 ;; An article which has not necessarily been added to the file and msgid
100 ;; A vector containing nil, or articles with NOV data:
102 ;; The index of the next nov-cache entry to be replaced:
104 ;; An obarray containing symbols whose names are mark names and whose values
105 ;; are modtimes of mark directories:
108 ;; An article is a vector:
110 ":2,suffix" ;; or 'expire if expired
113 ;; A NOV data vector, or nil:
114 ["subject\tfrom\tdate"
115 "references\tchars\lines"
117 article-file-modtime]]
119 (defmacro nnmaildir--srv-new () '(make-vector 11 nil))
120 (defmacro nnmaildir--srv-get-name (server) `(aref ,server 0))
121 (defmacro nnmaildir--srv-get-method (server) `(aref ,server 1))
122 (defmacro nnmaildir--srv-get-dir (server) `(aref ,server 2))
123 (defmacro nnmaildir--srv-get-ls (server) `(aref ,server 3))
124 (defmacro nnmaildir--srv-get-groups (server) `(aref ,server 4))
125 (defmacro nnmaildir--srv-get-tmpgrp (server) `(aref ,server 5))
126 (defmacro nnmaildir--srv-get-curgrp (server) `(aref ,server 6))
127 (defmacro nnmaildir--srv-get-error (server) `(aref ,server 7))
128 (defmacro nnmaildir--srv-get-mtime (server) `(aref ,server 8))
129 (defmacro nnmaildir--srv-get-gnm (server) `(aref ,server 9))
130 (defmacro nnmaildir--srv-get-create-dir (server) `(aref ,server 10))
131 (defmacro nnmaildir--srv-set-name (server val) `(aset ,server 0 ,val))
132 (defmacro nnmaildir--srv-set-method (server val) `(aset ,server 1 ,val))
133 (defmacro nnmaildir--srv-set-dir (server val) `(aset ,server 2 ,val))
134 (defmacro nnmaildir--srv-set-ls (server val) `(aset ,server 3 ,val))
135 (defmacro nnmaildir--srv-set-groups (server val) `(aset ,server 4 ,val))
136 (defmacro nnmaildir--srv-set-tmpgrp (server val) `(aset ,server 5 ,val))
137 (defmacro nnmaildir--srv-set-curgrp (server val) `(aset ,server 6 ,val))
138 (defmacro nnmaildir--srv-set-error (server val) `(aset ,server 7 ,val))
139 (defmacro nnmaildir--srv-set-mtime (server val) `(aset ,server 8 ,val))
140 (defmacro nnmaildir--srv-set-gnm (server val) `(aset ,server 9 ,val))
141 (defmacro nnmaildir--srv-set-create-dir (server val) `(aset ,server 10 ,val))
143 (defmacro nnmaildir--grp-new () '(make-vector 8 nil))
144 (defmacro nnmaildir--grp-get-name (group) `(aref ,group 0))
145 (defmacro nnmaildir--grp-get-pname (group) `(aref ,group 1))
146 (defmacro nnmaildir--grp-get-new (group) `(aref ,group 2))
147 (defmacro nnmaildir--grp-get-cur (group) `(aref ,group 3))
148 (defmacro nnmaildir--grp-get-lists (group) `(aref ,group 4))
149 (defmacro nnmaildir--grp-get-cache (group) `(aref ,group 5))
150 (defmacro nnmaildir--grp-get-index (group) `(aref ,group 6))
151 (defmacro nnmaildir--grp-get-mmth (group) `(aref ,group 7))
152 (defmacro nnmaildir--grp-set-name (group val) `(aset ,group 0 ,val))
153 (defmacro nnmaildir--grp-set-pname (group val) `(aset ,group 1 ,val))
154 (defmacro nnmaildir--grp-set-new (group val) `(aset ,group 2 ,val))
155 (defmacro nnmaildir--grp-set-cur (group val) `(aset ,group 3 ,val))
156 (defmacro nnmaildir--grp-set-lists (group val) `(aset ,group 4 ,val))
157 (defmacro nnmaildir--grp-set-cache (group val) `(aset ,group 5 ,val))
158 (defmacro nnmaildir--grp-set-index (group val) `(aset ,group 6 ,val))
159 (defmacro nnmaildir--grp-set-mmth (group val) `(aset ,group 7 ,val))
161 (defmacro nnmaildir--lists-new () '(make-vector 4 nil))
162 (defmacro nnmaildir--lists-get-nlist (lists) `(aref ,lists 0))
163 (defmacro nnmaildir--lists-get-flist (lists) `(aref ,lists 1))
164 (defmacro nnmaildir--lists-get-mlist (lists) `(aref ,lists 2))
165 (defmacro nnmaildir--lists-get-tmpart (lists) `(aref ,lists 3))
166 (defmacro nnmaildir--lists-set-nlist (lists val) `(aset ,lists 0 ,val))
167 (defmacro nnmaildir--lists-set-flist (lists val) `(aset ,lists 1 ,val))
168 (defmacro nnmaildir--lists-set-mlist (lists val) `(aset ,lists 2 ,val))
169 (defmacro nnmaildir--lists-set-tmpart (lists val) `(aset ,lists 3 ,val))
171 (defmacro nnmaildir--nlist-last-num (list)
172 `(if ,list (nnmaildir--art-get-num (car ,list)) 0))
173 (defmacro nnmaildir--nlist-art (list num)
175 (>= (nnmaildir--art-get-num (car ,list)) ,num)
176 (nth (- (nnmaildir--art-get-num (car ,list)) ,num) ,list)))
177 (defmacro nnmaildir--flist-art (list file)
178 `(symbol-value (intern-soft ,file ,list)))
179 (defmacro nnmaildir--mlist-art (list msgid)
180 `(symbol-value (intern-soft ,msgid ,list)))
182 (defmacro nnmaildir--art-new () '(make-vector 5 nil))
183 (defmacro nnmaildir--art-get-prefix (article) `(aref ,article 0))
184 (defmacro nnmaildir--art-get-suffix (article) `(aref ,article 1))
185 (defmacro nnmaildir--art-get-num (article) `(aref ,article 2))
186 (defmacro nnmaildir--art-get-msgid (article) `(aref ,article 3))
187 (defmacro nnmaildir--art-get-nov (article) `(aref ,article 4))
188 (defmacro nnmaildir--art-set-prefix (article val) `(aset ,article 0 ,val))
189 (defmacro nnmaildir--art-set-suffix (article val) `(aset ,article 1 ,val))
190 (defmacro nnmaildir--art-set-num (article val) `(aset ,article 2 ,val))
191 (defmacro nnmaildir--art-set-msgid (article val) `(aset ,article 3 ,val))
192 (defmacro nnmaildir--art-set-nov (article val) `(aset ,article 4 ,val))
194 (defmacro nnmaildir--nov-new () '(make-vector 4 nil))
195 (defmacro nnmaildir--nov-get-beg (nov) `(aref ,nov 0))
196 (defmacro nnmaildir--nov-get-mid (nov) `(aref ,nov 1))
197 (defmacro nnmaildir--nov-get-end (nov) `(aref ,nov 2))
198 (defmacro nnmaildir--nov-get-mtime (nov) `(aref ,nov 3))
199 (defmacro nnmaildir--nov-set-beg (nov val) `(aset ,nov 0 ,val))
200 (defmacro nnmaildir--nov-set-mid (nov val) `(aset ,nov 1 ,val))
201 (defmacro nnmaildir--nov-set-end (nov val) `(aset ,nov 2 ,val))
202 (defmacro nnmaildir--nov-set-mtime (nov val) `(aset ,nov 3 ,val))
204 (defmacro nnmaildir--srv-grp-dir (srv-dir gname)
205 `(file-name-as-directory (concat ,srv-dir ,gname)))
207 (defun nnmaildir--param (prefixed-group-name param)
209 (gnus-group-find-parameter prefixed-group-name param 'allow-list)
210 param (if (vectorp param) (aref param 0) param))
213 (defmacro nnmaildir--unlink (file)
214 `(if (file-attributes ,file) (delete-file ,file)))
216 (defmacro nnmaildir--tmp (dir) `(file-name-as-directory (concat ,dir "tmp")))
217 (defmacro nnmaildir--new (dir) `(file-name-as-directory (concat ,dir "new")))
218 (defmacro nnmaildir--cur (dir) `(file-name-as-directory (concat ,dir "cur")))
219 (defmacro nnmaildir--nndir (dir)
220 `(file-name-as-directory (concat ,dir ".nnmaildir")))
222 (defun nnmaildir--lists-fix (lists)
223 (let ((tmp (nnmaildir--lists-get-tmpart lists)))
225 (set (intern (nnmaildir--art-get-prefix tmp)
226 (nnmaildir--lists-get-flist lists))
228 (set (intern (nnmaildir--art-get-msgid tmp)
229 (nnmaildir--lists-get-mlist lists))
231 (nnmaildir--lists-set-tmpart lists nil))))
233 (defun nnmaildir--prepare (server group)
236 (setq x nnmaildir--tmp-server)
238 (set (intern (nnmaildir--srv-get-name x) nnmaildir--servers) x)
239 (setq nnmaildir--tmp-server nil))
241 (or (setq server nnmaildir--cur-server)
243 (or (setq server (intern-soft server nnmaildir--servers))
245 (setq server (symbol-value server)
246 nnmaildir--cur-server server))
247 (setq groups (nnmaildir--srv-get-groups server))
248 (if groups nil (throw 'return nil))
249 (if (nnmaildir--srv-get-method server) nil
250 (setq x (concat "nnmaildir:" (nnmaildir--srv-get-name server))
251 x (gnus-server-to-method x))
252 (if x nil (throw 'return nil))
253 (nnmaildir--srv-set-method server x))
254 (setq x (nnmaildir--srv-get-tmpgrp server))
256 (set (intern (nnmaildir--grp-get-name x) groups) x)
257 (nnmaildir--srv-set-tmpgrp server nil))
259 (or (setq group (nnmaildir--srv-get-curgrp server))
261 (setq group (intern-soft group groups))
262 (if group nil (throw 'return nil))
263 (setq group (symbol-value group)))
264 (nnmaildir--lists-fix (nnmaildir--grp-get-lists group))
267 (defun nnmaildir--update-nov (srv-dir group article)
268 (let ((nnheader-file-coding-system 'binary)
269 dir gname pgname msgdir prefix suffix file attr mtime novdir novfile
270 nov msgid nov-beg nov-mid nov-end field pos extra val deactivate-mark)
272 (setq suffix (nnmaildir--art-get-suffix article))
273 (if (stringp suffix) nil
274 (nnmaildir--art-set-nov article nil)
276 (setq gname (nnmaildir--grp-get-name group)
277 pgname (nnmaildir--grp-get-pname group)
278 dir (nnmaildir--srv-grp-dir srv-dir gname)
279 msgdir (if (nnmaildir--param pgname 'read-only)
280 (nnmaildir--new dir) (nnmaildir--cur dir))
281 prefix (nnmaildir--art-get-prefix article)
282 file (concat msgdir prefix suffix)
283 attr (file-attributes file))
285 (nnmaildir--art-set-suffix article 'expire)
286 (nnmaildir--art-set-nov article nil)
288 (setq mtime (nth 5 attr)
290 nov (nnmaildir--art-get-nov article)
291 novdir (concat (nnmaildir--nndir dir) "nov")
292 novdir (file-name-as-directory novdir)
293 novfile (concat novdir prefix))
295 (set-buffer (get-buffer-create " *nnmaildir nov*"))
296 (when (file-exists-p novfile)
298 (equal mtime (nnmaildir--nov-get-mtime nov))
301 (nnheader-insert-file-contents novfile)
302 (setq nov (read (current-buffer)))
303 (nnmaildir--art-set-msgid article (car nov))
304 (setq nov (cadr nov))
305 (and (equal mtime (nnmaildir--nov-get-mtime nov))
306 (throw 'return nov)))
308 (nnheader-insert-file-contents file)
310 (goto-char (point-min))
312 (if (search-forward "\n\n" nil 'noerror)
314 (setq nov-mid (count-lines (point) (point-max)))
315 (narrow-to-region (point-min) (1- (point))))
317 (goto-char (point-min))
319 (nnheader-fold-continuation-lines)
320 (setq nov (nnheader-parse-head 'naked)
321 field (or (mail-header-lines nov) 0)))
322 (if (or (zerop field) (nnmaildir--param pgname 'distrust-Lines:)) nil
323 (setq nov-mid field))
324 (setq nov-mid (number-to-string nov-mid)
325 nov-mid (concat (number-to-string attr) "\t" nov-mid)
326 field (or (mail-header-references nov) "")
329 (while (string-match "\t" field pos)
330 (aset field (match-beginning 0) ? )
331 (setq pos (match-end 0)))
332 (setq nov-mid (concat field "\t" nov-mid)
333 extra (mail-header-extra nov)
336 (setq field (car extra) extra (cdr extra)
337 val (cdr field) field (symbol-name (car field))
339 (while (string-match "\t" field pos)
340 (aset field (match-beginning 0) ? )
341 (setq pos (match-end 0)))
343 (while (string-match "\t" val pos)
344 (aset val (match-beginning 0) ? )
345 (setq pos (match-end 0)))
346 (setq nov-end (concat nov-end "\t" field ": " val)))
347 (setq nov-end (if (zerop (length nov-end)) "" (substring nov-end 1))
348 field (or (mail-header-subject nov) "")
350 (while (string-match "\t" field pos)
351 (aset field (match-beginning 0) ? )
352 (setq pos (match-end 0)))
354 field (or (mail-header-from nov) "")
356 (while (string-match "\t" field pos)
357 (aset field (match-beginning 0) ? )
358 (setq pos (match-end 0)))
359 (setq nov-beg (concat nov-beg "\t" field)
360 field (or (mail-header-date nov) "")
362 (while (string-match "\t" field pos)
363 (aset field (match-beginning 0) ? )
364 (setq pos (match-end 0)))
365 (setq nov-beg (concat nov-beg "\t" field)
366 field (mail-header-id nov)
368 (while (string-match "\t" field pos)
369 (aset field (match-beginning 0) ? )
370 (setq pos (match-end 0)))
372 (if (or (null msgid) (nnheader-fake-message-id-p msgid))
373 (setq msgid (concat "<" prefix "@nnmaildir>")))
375 (setq nov (nnmaildir--nov-new))
376 (nnmaildir--nov-set-beg nov nov-beg)
377 (nnmaildir--nov-set-mid nov nov-mid)
378 (nnmaildir--nov-set-end nov nov-end)
379 (nnmaildir--nov-set-mtime nov mtime)
380 (prin1 (list msgid nov) (current-buffer))
381 (setq file (concat novdir ":"))
382 (nnmaildir--unlink file)
383 (write-region (point-min) (point-max) file nil 'no-message))
384 (rename-file file novfile 'replace)
385 (nnmaildir--art-set-msgid article msgid)
388 (defun nnmaildir--cache-nov (group article nov)
389 (let ((cache (nnmaildir--grp-get-cache group))
390 (index (nnmaildir--grp-get-index group))
392 (if (nnmaildir--art-get-nov article) nil
393 (setq goner (aref cache index))
394 (if goner (nnmaildir--art-set-nov goner nil))
395 (aset cache index article)
396 (nnmaildir--grp-set-index group (% (1+ index) (length cache))))
397 (nnmaildir--art-set-nov article nov)))
399 (defun nnmaildir--grp-add-art (srv-dir group article)
400 (let ((nov (nnmaildir--update-nov srv-dir group article))
403 (setq old-lists (nnmaildir--grp-get-lists group)
404 new-lists (nnmaildir--lists-new))
405 (nnmaildir--lists-set-nlist
406 new-lists (cons article (nnmaildir--lists-get-nlist old-lists)))
407 (nnmaildir--lists-set-flist new-lists
408 (nnmaildir--lists-get-flist old-lists))
409 (nnmaildir--lists-set-mlist new-lists
410 (nnmaildir--lists-get-mlist old-lists))
411 (nnmaildir--lists-set-tmpart new-lists article)
412 (nnmaildir--grp-set-lists group new-lists)
413 (nnmaildir--lists-fix new-lists)
414 (nnmaildir--cache-nov group article nov)
417 (defun nnmaildir--mkdir (dir)
418 (or (file-exists-p (file-name-as-directory dir))
419 (make-directory-internal (directory-file-name dir))))
421 (defun nnmaildir--article-count (group)
424 (setq group (nnmaildir--grp-get-lists group)
425 group (nnmaildir--lists-get-nlist group))
427 (if (stringp (nnmaildir--art-get-suffix (car group)))
429 min (nnmaildir--art-get-num (car group))))
430 (setq group (cdr group)))
433 (defun nnmaildir-article-number-to-file-name
434 (number group-name server-address-string)
435 (let ((group (nnmaildir--prepare server-address-string group-name))
436 list article suffix dir filename)
439 ;; The given group or server does not exist.
441 (setq list (nnmaildir--grp-get-lists group)
442 list (nnmaildir--lists-get-nlist list)
443 article (nnmaildir--nlist-art list number))
445 ;; The given article number does not exist in this group.
447 (setq suffix (nnmaildir--art-get-suffix article))
448 (if (not (stringp suffix))
449 ;; The article has expired.
451 (setq dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
452 dir (nnmaildir--srv-grp-dir dir group-name)
453 group (if (nnmaildir--param (nnmaildir--grp-get-pname group)
455 (nnmaildir--new dir) (nnmaildir--cur dir))
456 filename (concat group (nnmaildir--art-get-prefix article) suffix))
457 (if (file-exists-p filename)
459 ;; The article disappeared out from under us.
460 (nnmaildir--art-set-suffix article 'expire)
461 (nnmaildir--art-set-nov article nil)
464 (defun nnmaildir-request-type (group &optional article)
467 (defun nnmaildir-status-message (&optional server)
468 (nnmaildir--prepare server nil)
469 (nnmaildir--srv-get-error nnmaildir--cur-server))
471 (defun nnmaildir-server-opened (&optional server)
472 (and nnmaildir--cur-server
475 (nnmaildir--srv-get-name nnmaildir--cur-server))
477 (nnmaildir--srv-get-groups nnmaildir--cur-server)
480 (defun nnmaildir-open-server (server &optional defs)
484 (setq server (intern-soft x nnmaildir--servers))
486 (and (setq server (symbol-value server))
487 (nnmaildir--srv-get-groups server)
488 (setq nnmaildir--cur-server server)
490 (setq server (nnmaildir--srv-new))
491 (nnmaildir--srv-set-name server x)
492 (setq nnmaildir--tmp-server server)
493 (set (intern x nnmaildir--servers) server)
494 (setq nnmaildir--tmp-server nil))
495 (setq dir (assq 'directory defs))
497 (nnmaildir--srv-set-error
498 server "You must set \"directory\" in the select method")
502 dir (expand-file-name dir)
503 dir (file-name-as-directory dir))
504 (if (file-exists-p dir) nil
505 (nnmaildir--srv-set-error server (concat "No such directory: " dir))
507 (nnmaildir--srv-set-dir server dir)
508 (setq x (assq 'directory-files defs))
510 (setq x (symbol-function (if nnheader-directory-files-is-safe
512 'nnheader-directory-files-safe)))
514 (if (functionp x) nil
515 (nnmaildir--srv-set-error
516 server (concat "Not a function: " (prin1-to-string x)))
517 (throw 'return nil)))
518 (nnmaildir--srv-set-ls server x)
519 (setq x (funcall x dir nil "\\`[^.]" 'nosort)
522 (while (<= size x) (setq size (* 2 size)))
523 (if (/= size 1) (setq size (1- size)))
524 (and (setq x (assq 'get-new-mail defs))
527 (nnmaildir--srv-set-gnm server t)
529 (setq x (assq 'create-directory defs))
533 (nnmaildir--srv-set-create-dir server x))
534 (nnmaildir--srv-set-groups server (make-vector size 0))
535 (setq nnmaildir--cur-server server)
538 (defun nnmaildir--parse-filename (file)
539 (let ((prefix (car file))
542 "\\`\\([0-9]+\\)\\.\\([0-9]+\\)\\(_\\([0-9]+\\)\\)?\\(\\..*\\)\\'"
545 (setq timestamp (concat "0000" (match-string 1 prefix))
546 len (- (length timestamp) 4))
547 (vector (string-to-number (substring timestamp 0 len))
548 (string-to-number (substring timestamp len))
549 (string-to-number (match-string 2 prefix))
550 (string-to-number (or (match-string 4 prefix) "-1"))
551 (match-string 5 prefix)
555 (defun nnmaildir--sort-files (a b)
558 (throw 'return (and (consp b) (string-lessp (car a) (car b)))))
559 (if (consp b) (throw 'return t))
560 (if (< (aref a 0) (aref b 0)) (throw 'return t))
561 (if (> (aref a 0) (aref b 0)) (throw 'return nil))
562 (if (< (aref a 1) (aref b 1)) (throw 'return t))
563 (if (> (aref a 1) (aref b 1)) (throw 'return nil))
564 (if (< (aref a 2) (aref b 2)) (throw 'return t))
565 (if (> (aref a 2) (aref b 2)) (throw 'return nil))
566 (if (< (aref a 3) (aref b 3)) (throw 'return t))
567 (if (> (aref a 3) (aref b 3)) (throw 'return nil))
568 (string-lessp (aref a 4) (aref b 4))))
570 (defun nnmaildir--scan (gname scan-msgs groups method srv-dir srv-ls)
572 (let ((36h-ago (- (car (current-time)) 2))
573 absdir nndir tdir ndir cdir nattr cattr isnew pgname read-only ls
574 files file num dir flist group x)
575 (setq absdir (file-name-as-directory (concat srv-dir gname))
576 nndir (nnmaildir--nndir absdir))
577 (if (file-attributes absdir) nil
578 (nnmaildir--srv-set-error nnmaildir--cur-server
579 (concat "No such directory: " absdir))
581 (setq tdir (nnmaildir--tmp absdir)
582 ndir (nnmaildir--new absdir)
583 cdir (nnmaildir--cur absdir)
584 nattr (file-attributes ndir)
585 cattr (file-attributes cdir))
586 (if (and (file-exists-p tdir) nattr cattr) nil
587 (nnmaildir--srv-set-error nnmaildir--cur-server
588 (concat "Not a maildir: " absdir))
590 (setq group (nnmaildir--prepare nil gname))
593 pgname (nnmaildir--grp-get-pname group))
595 group (nnmaildir--grp-new)
596 pgname (gnus-group-prefixed-name gname method))
597 (nnmaildir--grp-set-name group gname)
598 (nnmaildir--grp-set-pname group pgname)
599 (nnmaildir--grp-set-lists group (nnmaildir--lists-new))
600 (nnmaildir--grp-set-index group 0)
601 (nnmaildir--mkdir nndir)
602 (nnmaildir--mkdir (concat nndir "nov"))
603 (nnmaildir--mkdir (concat nndir "marks"))
604 (write-region "" nil (concat nndir "markfile") nil 'no-message))
605 (setq read-only (nnmaildir--param pgname 'read-only)
606 ls (or (nnmaildir--param pgname 'directory-files) srv-ls))
608 (setq x (nth 11 (file-attributes tdir)))
609 (if (and (= x (nth 11 nattr)) (= x (nth 11 cattr))) nil
610 (nnmaildir--srv-set-error nnmaildir--cur-server
611 (concat "Maildir spans filesystems: "
614 (setq files (funcall ls tdir 'full "\\`[^.]" 'nosort))
616 (setq file (car files) files (cdr files)
617 x (file-attributes file))
618 (if (or (< 1 (cadr x)) (> 36h-ago (car (nth 4 x))))
619 (delete-file file))))
623 (setq nattr (nth 5 nattr))
624 (if (equal nattr (nnmaildir--grp-get-new group))
626 (if read-only (setq dir (and (or isnew nattr) ndir))
627 (when (or isnew nattr)
628 (setq files (funcall ls ndir nil "\\`[^.]" 'nosort))
630 (setq file (car files) files (cdr files))
631 (rename-file (concat ndir file) (concat cdir file ":2,")))
632 (nnmaildir--grp-set-new group nattr))
633 (setq cattr (file-attributes cdir)
635 (if (equal cattr (nnmaildir--grp-get-cur group))
637 (setq dir (and (or isnew cattr) cdir)))
638 (if dir nil (throw 'return t))
639 (setq files (funcall ls dir nil "\\`[^.]" 'nosort))
641 (setq x (length files)
643 (while (<= num x) (setq num (* 2 num)))
644 (if (/= num 1) (setq num (1- num)))
645 (setq x (nnmaildir--grp-get-lists group))
646 (nnmaildir--lists-set-flist x (make-vector num 0))
647 (nnmaildir--lists-set-mlist x (make-vector num 0))
648 (nnmaildir--grp-set-mmth group (make-vector 1 0))
649 (setq num (nnmaildir--param pgname 'nov-cache-size))
650 (if (numberp num) (if (< num 1) (setq num 1))
653 cdir (file-name-as-directory (concat nndir "marks"))
654 ndir (file-name-as-directory (concat cdir "tick"))
655 cdir (file-name-as-directory (concat cdir "read")))
657 (setq file (car x) x (cdr x))
658 (string-match "\\`\\([^:]*\\)\\(\\(:.*\\)?\\)\\'" file)
659 (setq file (match-string 1 file))
660 (if (or (not (file-exists-p (concat cdir file)))
661 (file-exists-p (concat ndir file)))
662 (setq num (1+ num)))))
663 (nnmaildir--grp-set-cache group (make-vector num nil))
664 (nnmaildir--srv-set-tmpgrp nnmaildir--cur-server group)
665 (set (intern gname groups) group)
666 (nnmaildir--srv-set-tmpgrp nnmaildir--cur-server nil)
667 (or scan-msgs (throw 'return t)))
668 (setq flist (nnmaildir--grp-get-lists group)
669 num (nnmaildir--lists-get-nlist flist)
670 flist (nnmaildir--lists-get-flist flist)
671 num (nnmaildir--nlist-last-num num)
675 (setq file (car x) x (cdr x))
676 (string-match "\\`\\([^:]*\\)\\(\\(:.*\\)?\\)\\'" file)
677 (setq file (cons (match-string 1 file) (match-string 2 file)))
678 (if (nnmaildir--flist-art flist (car file)) nil
679 (setq files (cons file files))))
680 (setq files (mapcar 'nnmaildir--parse-filename files)
681 files (sort files 'nnmaildir--sort-files))
683 (setq file (car files) files (cdr files)
684 file (if (consp file) file (aref file 5))
685 x (nnmaildir--art-new))
686 (nnmaildir--art-set-prefix x (car file))
687 (nnmaildir--art-set-suffix x (cdr file))
688 (nnmaildir--art-set-num x (1+ num))
689 (if (nnmaildir--grp-add-art srv-dir group x)
690 (setq num (1+ num))))
691 (if read-only (nnmaildir--grp-set-new group nattr)
692 (nnmaildir--grp-set-cur group cattr)))
695 (defun nnmaildir-request-scan (&optional scan-group server)
696 (let ((coding-system-for-write nnheader-file-coding-system)
697 (buffer-file-coding-system nil)
698 (file-coding-system-alist nil)
699 (nnmaildir-get-new-mail t)
700 (nnmaildir-group-alist nil)
701 (nnmaildir-active-file nil)
702 x srv-ls srv-dir method groups group dirs grp-dir seen deactivate-mark)
703 (nnmaildir--prepare server nil)
704 (setq srv-ls (nnmaildir--srv-get-ls nnmaildir--cur-server)
705 srv-dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
706 method (nnmaildir--srv-get-method nnmaildir--cur-server)
707 groups (nnmaildir--srv-get-groups nnmaildir--cur-server))
709 (set-buffer (get-buffer-create " *nnmaildir work*"))
711 (if (stringp scan-group)
712 (if (nnmaildir--scan scan-group t groups method srv-dir srv-ls)
713 (if (nnmaildir--srv-get-gnm nnmaildir--cur-server)
714 (nnmail-get-new-mail 'nnmaildir nil nil scan-group))
715 (unintern scan-group groups))
716 (setq x (nth 5 (file-attributes srv-dir)))
717 (if (equal x (nnmaildir--srv-get-mtime nnmaildir--cur-server))
719 (mapatoms (lambda (sym)
720 (nnmaildir--scan (symbol-name sym) t groups
721 method srv-dir srv-ls))
723 (setq dirs (funcall srv-ls srv-dir nil "\\`[^.]" 'nosort)
726 (while (<= seen x) (setq seen (* 2 seen)))
727 (if (/= seen 1) (setq seen (1- seen)))
728 (setq seen (make-vector seen 0)
729 scan-group (null scan-group))
731 (setq grp-dir (car dirs) dirs (cdr dirs))
732 (if (nnmaildir--scan grp-dir scan-group groups method srv-dir
734 (intern grp-dir seen)))
736 (mapatoms (lambda (group)
737 (setq group (symbol-name group))
738 (if (intern-soft group seen) nil
739 (setq x (cons group x))))
742 (unintern (car x) groups)
744 (nnmaildir--srv-set-mtime nnmaildir--cur-server
745 (nth 5 (file-attributes srv-dir))))
746 (if (nnmaildir--srv-get-gnm nnmaildir--cur-server)
747 (nnmail-get-new-mail 'nnmaildir nil nil))))))
750 (defun nnmaildir-request-list (&optional server)
751 (nnmaildir-request-scan 'find-new-groups server)
752 (let (pgname ro ct-min deactivate-mark)
753 (nnmaildir--prepare server nil)
755 (set-buffer nntp-server-buffer)
757 (mapatoms (lambda (group)
758 (setq group (symbol-value group)
759 ro (nnmaildir--param (nnmaildir--grp-get-pname group)
761 ct-min (nnmaildir--article-count group))
762 (insert (nnmaildir--grp-get-name group) " ")
763 (princ (car ct-min) nntp-server-buffer)
765 (princ (cdr ct-min) nntp-server-buffer)
766 (insert " " (if ro "n" "y") "\n"))
767 (nnmaildir--srv-get-groups nnmaildir--cur-server))))
770 (defun nnmaildir-request-newgroups (date &optional server)
771 (nnmaildir-request-list server))
773 (defun nnmaildir-retrieve-groups (groups &optional server)
774 (let (gname group ct-min deactivate-mark)
775 (nnmaildir--prepare server nil)
777 (set-buffer nntp-server-buffer)
780 (setq gname (car groups) groups (cdr groups))
781 (nnmaildir-request-scan gname server)
782 (setq group (nnmaildir--prepare nil gname))
783 (if (null group) (insert "411 no such news group\n")
784 (setq ct-min (nnmaildir--article-count group))
786 (princ (car ct-min) nntp-server-buffer)
788 (princ (cdr ct-min) nntp-server-buffer)
790 (princ (nnmaildir--nlist-last-num
791 (nnmaildir--lists-get-nlist
792 (nnmaildir--grp-get-lists group)))
794 (insert " " gname "\n")))))
797 (defun nnmaildir-request-update-info (gname info &optional server)
798 (nnmaildir-request-scan gname server)
799 (let ((group (nnmaildir--prepare server gname))
800 srv-ls pgname nlist flist last always-marks never-marks old-marks
801 dotfile num dir markdirs marks mark ranges articles article read end
802 new-marks ls old-mmth new-mmth mtime mark-sym deactivate-mark)
805 (nnmaildir--srv-set-error nnmaildir--cur-server
806 (concat "No such group: " gname))
808 (setq srv-ls (nnmaildir--srv-get-ls nnmaildir--cur-server)
809 gname (nnmaildir--grp-get-name group)
810 pgname (nnmaildir--grp-get-pname group)
811 nlist (nnmaildir--grp-get-lists group)
812 flist (nnmaildir--lists-get-flist nlist)
813 nlist (nnmaildir--lists-get-nlist nlist))
815 (gnus-info-set-read info nil)
816 (gnus-info-set-marks info nil 'extend)
817 (throw 'return info))
818 (setq old-marks (cons 'read (gnus-info-read info))
819 old-marks (cons old-marks (gnus-info-marks info))
820 last (nnmaildir--nlist-last-num nlist)
821 always-marks (nnmaildir--param pgname 'always-marks)
822 never-marks (nnmaildir--param pgname 'never-marks)
823 dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
824 dir (nnmaildir--srv-grp-dir dir gname)
825 dir (nnmaildir--nndir dir)
826 dir (concat dir "marks")
827 dir (file-name-as-directory dir)
828 ls (nnmaildir--param pgname 'directory-files)
830 markdirs (funcall ls dir nil "\\`[^.]" 'nosort)
831 num (length markdirs)
833 (while (<= new-mmth num) (setq new-mmth (* 2 new-mmth)))
834 (if (/= new-mmth 1) (setq new-mmth (1- new-mmth)))
835 (setq new-mmth (make-vector new-mmth 0)
836 old-mmth (nnmaildir--grp-get-mmth group))
838 (setq mark (car markdirs) markdirs (cdr markdirs)
839 articles (concat dir mark)
840 articles (file-name-as-directory articles)
841 mark-sym (intern mark)
844 (if (memq mark-sym never-marks) (throw 'got-ranges nil))
845 (when (memq mark-sym always-marks)
846 (setq ranges (list (cons 1 last)))
847 (throw 'got-ranges nil))
848 (setq mtime (file-attributes articles)
850 (set (intern mark new-mmth) mtime)
851 (when (equal mtime (symbol-value (intern-soft mark old-mmth)))
852 (setq ranges (assq mark-sym old-marks))
853 (if ranges (setq ranges (cdr ranges)))
854 (throw 'got-ranges nil))
855 (setq articles (funcall ls articles nil "\\`[^.]" 'nosort))
857 (setq article (car articles) articles (cdr articles)
858 article (nnmaildir--flist-art flist article))
860 (setq num (nnmaildir--art-get-num article)
861 ranges (gnus-add-to-range ranges (list num))))))
862 (if (eq mark-sym 'read) (setq read ranges)
863 (if ranges (setq marks (cons (cons mark-sym ranges) marks)))))
864 (gnus-info-set-read info read)
865 (gnus-info-set-marks info marks 'extend)
866 (nnmaildir--grp-set-mmth group new-mmth)
869 (defun nnmaildir-request-group (gname &optional server fast)
870 (nnmaildir-request-scan gname server)
871 (let ((group (nnmaildir--prepare server gname))
872 ct-min deactivate-mark)
874 (set-buffer nntp-server-buffer)
878 (insert "411 no such news group\n")
879 (nnmaildir--srv-set-error nnmaildir--cur-server
880 (concat "No such group: " gname))
882 (nnmaildir--srv-set-curgrp nnmaildir--cur-server group)
883 (if fast (throw 'return t))
884 (setq ct-min (nnmaildir--article-count group))
886 (princ (car ct-min) nntp-server-buffer)
888 (princ (cdr ct-min) nntp-server-buffer)
890 (princ (nnmaildir--nlist-last-num
891 (nnmaildir--lists-get-nlist
892 (nnmaildir--grp-get-lists group)))
894 (insert " " gname "\n")
897 (defun nnmaildir-request-create-group (gname &optional server args)
898 (nnmaildir--prepare server nil)
900 (let ((create-dir (nnmaildir--srv-get-create-dir nnmaildir--cur-server))
902 (when (zerop (length gname))
903 (nnmaildir--srv-set-error nnmaildir--cur-server
904 "Invalid (empty) group name")
906 (when (eq (aref "." 0) (aref gname 0))
907 (nnmaildir--srv-set-error nnmaildir--cur-server
908 "Group names may not start with \".\"")
910 (when (save-match-data (string-match "[\0/\t]" gname))
911 (nnmaildir--srv-set-error nnmaildir--cur-server
912 (concat "Illegal characters (null, tab, or /) in group name: "
915 (setq groups (nnmaildir--srv-get-groups nnmaildir--cur-server))
916 (when (intern-soft gname groups)
917 (nnmaildir--srv-set-error nnmaildir--cur-server
918 (concat "Group already exists: " gname))
920 (setq srv-dir (nnmaildir--srv-get-dir nnmaildir--cur-server))
921 (if (file-name-absolute-p create-dir)
922 (setq dir (expand-file-name create-dir))
924 dir (file-truename dir)
925 dir (concat dir create-dir)))
926 (setq dir (file-name-as-directory dir)
927 dir (concat dir gname))
928 (nnmaildir--mkdir dir)
929 (setq dir (file-name-as-directory dir))
930 (nnmaildir--mkdir (concat dir "tmp"))
931 (nnmaildir--mkdir (concat dir "new"))
932 (nnmaildir--mkdir (concat dir "cur"))
933 (setq create-dir (file-name-as-directory create-dir))
934 (make-symbolic-link (concat create-dir gname) (concat srv-dir gname))
935 (nnmaildir-request-scan 'find-new-groups))))
937 (defun nnmaildir-request-rename-group (gname new-name &optional server)
938 (let ((group (nnmaildir--prepare server gname))
939 (coding-system-for-write nnheader-file-coding-system)
940 (buffer-file-coding-system nil)
941 (file-coding-system-alist nil)
945 (nnmaildir--srv-set-error nnmaildir--cur-server
946 (concat "No such group: " gname))
948 (when (zerop (length new-name))
949 (nnmaildir--srv-set-error nnmaildir--cur-server
950 "Invalid (empty) group name")
952 (when (eq (aref "." 0) (aref new-name 0))
953 (nnmaildir--srv-set-error nnmaildir--cur-server
954 "Group names may not start with \".\"")
956 (when (save-match-data (string-match "[\0/\t]" new-name))
957 (nnmaildir--srv-set-error nnmaildir--cur-server
958 (concat "Illegal characters (null, tab, or /) in group name: "
961 (if (string-equal gname new-name) (throw 'return t))
962 (when (intern-soft new-name
963 (nnmaildir--srv-get-groups nnmaildir--cur-server))
964 (nnmaildir--srv-set-error nnmaildir--cur-server
965 (concat "Group already exists: " new-name))
967 (setq srv-dir (nnmaildir--srv-get-dir nnmaildir--cur-server))
969 (rename-file (concat srv-dir gname)
970 (concat srv-dir new-name))
972 (nnmaildir--srv-set-error nnmaildir--cur-server
973 (concat "Error renaming link: "
974 (prin1-to-string err)))
975 (throw 'return nil)))
976 (setq x (nnmaildir--srv-get-groups nnmaildir--cur-server)
977 groups (make-vector (length x) 0))
978 (mapatoms (lambda (sym)
979 (if (eq (symbol-value sym) group) nil
980 (set (intern (symbol-name sym) groups)
981 (symbol-value sym))))
983 (setq group (copy-sequence group))
984 (nnmaildir--grp-set-name group new-name)
985 (set (intern new-name groups) group)
986 (nnmaildir--srv-set-groups nnmaildir--cur-server groups)
989 (defun nnmaildir-request-delete-group (gname force &optional server)
990 (let ((group (nnmaildir--prepare server gname))
991 pgname grp-dir dir dirs files ls deactivate-mark)
994 (nnmaildir--srv-set-error nnmaildir--cur-server
995 (concat "No such group: " gname))
997 (if (eq group (nnmaildir--srv-get-curgrp nnmaildir--cur-server))
998 (nnmaildir--srv-set-curgrp nnmaildir--cur-server nil))
999 (setq gname (nnmaildir--grp-get-name group)
1000 pgname (nnmaildir--grp-get-pname group))
1001 (unintern gname (nnmaildir--srv-get-groups nnmaildir--cur-server))
1002 (setq grp-dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
1003 grp-dir (nnmaildir--srv-grp-dir grp-dir gname))
1004 (if (not force) (setq grp-dir (directory-file-name grp-dir))
1005 (if (nnmaildir--param pgname 'read-only)
1006 (progn (delete-directory (nnmaildir--tmp grp-dir))
1007 (nnmaildir--unlink (nnmaildir--new grp-dir))
1008 (delete-directory (nnmaildir--cur grp-dir)))
1010 (set-buffer (get-buffer-create " *nnmaildir work*"))
1012 (setq ls (or (nnmaildir--param pgname 'directory-files)
1013 (nnmaildir--srv-get-ls nnmaildir--cur-server))
1014 files (funcall ls (nnmaildir--tmp grp-dir) 'full "\\`[^.]"
1017 (delete-file (car files))
1018 (setq files (cdr files)))
1019 (delete-directory (concat grp-dir "tmp"))
1020 (setq files (funcall ls (nnmaildir--new grp-dir) 'full "\\`[^.]"
1023 (delete-file (car files))
1024 (setq files (cdr files)))
1025 (delete-directory (concat grp-dir "new"))
1026 (setq files (funcall ls (nnmaildir--cur grp-dir) 'full "\\`[^.]"
1029 (delete-file (car files))
1030 (setq files (cdr files)))
1031 (delete-directory (concat grp-dir "cur"))))
1032 (setq dir (nnmaildir--nndir grp-dir)
1033 dirs (cons (concat dir "nov")
1034 (funcall ls (concat dir "marks") 'full "\\`[^.]"
1037 (setq dir (car dirs) dirs (cdr dirs)
1038 files (funcall ls dir 'full "\\`[^.]" 'nosort))
1040 (delete-file (car files))
1041 (setq files (cdr files)))
1042 (delete-directory dir))
1043 (setq dir (nnmaildir--nndir grp-dir)
1044 files (concat dir "markfile"))
1045 (nnmaildir--unlink files)
1046 (delete-directory (concat dir "marks"))
1047 (delete-directory dir)
1048 (setq grp-dir (directory-file-name grp-dir)
1049 dir (car (file-attributes grp-dir)))
1050 (if (eq (aref "/" 0) (aref dir 0)) nil
1051 (setq dir (concat (file-truename
1052 (nnmaildir--srv-get-dir nnmaildir--cur-server))
1054 (delete-directory dir))
1055 (nnmaildir--unlink grp-dir)
1058 (defun nnmaildir-retrieve-headers (articles &optional gname server fetch-old)
1059 (let ((group (nnmaildir--prepare server gname))
1060 srv-dir dir nlist mlist article num stop nov nlist2 deactivate-mark)
1063 (nnmaildir--srv-set-error nnmaildir--cur-server
1064 (if gname (concat "No such group: " gname)
1065 "No current group"))
1066 (throw 'return nil))
1068 (set-buffer nntp-server-buffer)
1070 (setq nlist (nnmaildir--grp-get-lists group)
1071 mlist (nnmaildir--lists-get-mlist nlist)
1072 nlist (nnmaildir--lists-get-nlist nlist)
1073 gname (nnmaildir--grp-get-name group)
1074 srv-dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
1075 dir (nnmaildir--srv-grp-dir srv-dir gname))
1078 ((and fetch-old (not (numberp fetch-old)))
1080 (setq article (car nlist) nlist (cdr nlist)
1081 nov (nnmaildir--update-nov srv-dir group article))
1083 (nnmaildir--cache-nov group article nov)
1084 (setq num (nnmaildir--art-get-num article))
1085 (princ num nntp-server-buffer)
1086 (insert "\t" (nnmaildir--nov-get-beg nov) "\t"
1087 (nnmaildir--art-get-msgid article) "\t"
1088 (nnmaildir--nov-get-mid nov) "\tXref: nnmaildir " gname
1090 (princ num nntp-server-buffer)
1091 (insert "\t" (nnmaildir--nov-get-end nov) "\n")
1092 (goto-char (point-min)))))
1094 ((stringp (car articles))
1096 (setq article (car articles) articles (cdr articles)
1097 article (nnmaildir--mlist-art mlist article))
1099 (setq nov (nnmaildir--update-nov srv-dir group
1101 (nnmaildir--cache-nov group article nov)
1102 (setq num (nnmaildir--art-get-num article))
1103 (princ num nntp-server-buffer)
1104 (insert "\t" (nnmaildir--nov-get-beg nov) "\t"
1105 (nnmaildir--art-get-msgid article) "\t"
1106 (nnmaildir--nov-get-mid nov) "\tXref: nnmaildir " gname
1108 (princ num nntp-server-buffer)
1109 (insert "\t" (nnmaildir--nov-get-end nov) "\n"))))
1112 ;; Assume the article range is sorted ascending
1113 (setq stop (car articles)
1114 num (car (last articles))
1115 stop (if (numberp stop) stop (car stop))
1116 num (if (numberp num) num (cdr num))
1117 stop (- stop fetch-old)
1118 stop (if (< stop 1) 1 stop)
1119 articles (list (cons stop num))))
1121 (setq stop (car articles) articles (cdr articles))
1122 (while (eq stop (car articles))
1123 (setq articles (cdr articles)))
1124 (if (numberp stop) (setq num stop)
1125 (setq num (cdr stop) stop (car stop)))
1126 (setq nlist2 (nthcdr (- (nnmaildir--art-get-num (car nlist)) num)
1129 (setq article (car nlist2)
1130 num (nnmaildir--art-get-num article))
1132 (setq nlist2 (cdr nlist2)
1133 nov (nnmaildir--update-nov srv-dir group article))
1135 (nnmaildir--cache-nov group article nov)
1136 (princ num nntp-server-buffer)
1137 (insert "\t" (nnmaildir--nov-get-beg nov) "\t"
1138 (nnmaildir--art-get-msgid article) "\t"
1139 (nnmaildir--nov-get-mid nov) "\tXref: nnmaildir " gname
1141 (princ num nntp-server-buffer)
1142 (insert "\t" (nnmaildir--nov-get-end nov) "\n")
1143 (goto-char (point-min)))))))
1144 (sort-numeric-fields 1 (point-min) (point-max))
1147 (defun nnmaildir-request-article (num-msgid &optional gname server to-buffer)
1148 (let ((group (nnmaildir--prepare server gname))
1149 (case-fold-search t)
1150 list article suffix dir deactivate-mark)
1153 (nnmaildir--srv-set-error nnmaildir--cur-server
1154 (if gname (concat "No such group: " gname)
1155 "No current group"))
1156 (throw 'return nil))
1157 (setq list (nnmaildir--grp-get-lists group))
1158 (if (numberp num-msgid)
1159 (setq list (nnmaildir--lists-get-nlist list)
1160 article (nnmaildir--nlist-art list num-msgid))
1161 (setq list (nnmaildir--lists-get-mlist list)
1162 article (nnmaildir--mlist-art list num-msgid))
1163 (if article (setq num-msgid (nnmaildir--art-get-num article))
1167 (setq group (symbol-value grp)
1168 list (nnmaildir--grp-get-lists group)
1169 list (nnmaildir--lists-get-mlist list)
1170 article (nnmaildir--mlist-art list num-msgid))
1172 (setq num-msgid (nnmaildir--art-get-num article))
1173 (throw 'found nil)))
1174 (nnmaildir--srv-get-groups nnmaildir--cur-server)))))
1176 (nnmaildir--srv-set-error nnmaildir--cur-server "No such article")
1177 (throw 'return nil))
1178 (if (stringp (setq suffix (nnmaildir--art-get-suffix article))) nil
1179 (nnmaildir--srv-set-error nnmaildir--cur-server "Article has expired")
1180 (throw 'return nil))
1181 (setq gname (nnmaildir--grp-get-name group)
1182 dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
1183 dir (nnmaildir--srv-grp-dir dir gname)
1184 group (if (nnmaildir--param (nnmaildir--grp-get-pname group)
1186 (nnmaildir--new dir) (nnmaildir--cur dir))
1187 nnmaildir-article-file-name (concat group
1188 (nnmaildir--art-get-prefix
1191 (if (file-exists-p nnmaildir-article-file-name) nil
1192 (nnmaildir--art-set-suffix article 'expire)
1193 (nnmaildir--art-set-nov article nil)
1194 (nnmaildir--srv-set-error nnmaildir--cur-server "Article has expired")
1195 (throw 'return nil))
1197 (set-buffer (or to-buffer nntp-server-buffer))
1199 (nnheader-insert-file-contents nnmaildir-article-file-name))
1200 (cons gname num-msgid))))
1202 (defun nnmaildir-request-post (&optional server)
1203 (let (message-required-mail-headers)
1204 (funcall message-send-mail-function)))
1206 (defun nnmaildir-request-replace-article (article gname buffer)
1207 (let ((group (nnmaildir--prepare nil gname))
1208 (coding-system-for-write nnheader-file-coding-system)
1209 (buffer-file-coding-system nil)
1210 (file-coding-system-alist nil)
1211 file dir suffix tmpfile deactivate-mark)
1214 (nnmaildir--srv-set-error nnmaildir--cur-server
1215 (concat "No such group: " gname))
1216 (throw 'return nil))
1217 (when (nnmaildir--param (nnmaildir--grp-get-pname group) 'read-only)
1218 (nnmaildir--srv-set-error nnmaildir--cur-server
1219 (concat "Read-only group: " group))
1220 (throw 'return nil))
1221 (setq dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
1222 dir (nnmaildir--srv-grp-dir dir gname)
1223 file (nnmaildir--grp-get-lists group)
1224 file (nnmaildir--lists-get-nlist file)
1225 file (nnmaildir--nlist-art file article))
1226 (if (and file (stringp (setq suffix (nnmaildir--art-get-suffix file))))
1228 (nnmaildir--srv-set-error nnmaildir--cur-server
1229 (format "No such article: %d" article))
1230 (throw 'return nil))
1234 file (nnmaildir--art-get-prefix article)
1235 tmpfile (concat (nnmaildir--tmp dir) file))
1236 (when (file-exists-p tmpfile)
1237 (nnmaildir--srv-set-error nnmaildir--cur-server
1238 (concat "File exists: " tmpfile))
1239 (throw 'return nil))
1240 (write-region (point-min) (point-max) tmpfile nil 'no-message nil
1241 'confirm-overwrite)) ;; error would be preferred :(
1242 (unix-sync) ;; no fsync :(
1243 (rename-file tmpfile (concat (nnmaildir--cur dir) file suffix) 'replace)
1246 (defun nnmaildir-request-move-article (article gname server accept-form
1248 (let ((group (nnmaildir--prepare server gname))
1249 pgname list suffix result nnmaildir--file deactivate-mark)
1252 (nnmaildir--srv-set-error nnmaildir--cur-server
1253 (concat "No such group: " gname))
1254 (throw 'return nil))
1255 (setq gname (nnmaildir--grp-get-name group)
1256 pgname (nnmaildir--grp-get-pname group)
1257 list (nnmaildir--grp-get-lists group)
1258 list (nnmaildir--lists-get-nlist list)
1259 article (nnmaildir--nlist-art list article))
1261 (nnmaildir--srv-set-error nnmaildir--cur-server "No such article")
1262 (throw 'return nil))
1263 (if (stringp (setq suffix (nnmaildir--art-get-suffix article))) nil
1264 (nnmaildir--srv-set-error nnmaildir--cur-server "Article has expired")
1265 (throw 'return nil))
1266 (setq nnmaildir--file (nnmaildir--srv-get-dir nnmaildir--cur-server)
1267 nnmaildir--file (nnmaildir--srv-grp-dir nnmaildir--file gname)
1268 nnmaildir--file (if (nnmaildir--param pgname 'read-only)
1269 (nnmaildir--new nnmaildir--file)
1270 (nnmaildir--cur nnmaildir--file))
1271 nnmaildir--file (concat nnmaildir--file
1272 (nnmaildir--art-get-prefix article)
1274 (if (file-exists-p nnmaildir--file) nil
1275 (nnmaildir--art-set-suffix article 'expire)
1276 (nnmaildir--art-set-nov article nil)
1277 (nnmaildir--srv-set-error nnmaildir--cur-server "Article has expired")
1278 (throw 'return nil))
1280 (set-buffer (get-buffer-create " *nnmaildir move*"))
1282 (nnheader-insert-file-contents nnmaildir--file)
1283 (setq result (eval accept-form)))
1284 (if (or (null result) (nnmaildir--param pgname 'read-only)) nil
1285 (nnmaildir--unlink nnmaildir--file)
1286 (nnmaildir--art-set-suffix article 'expire)
1287 (nnmaildir--art-set-nov article nil))
1290 (defun nnmaildir-request-accept-article (gname &optional server last)
1291 (let ((group (nnmaildir--prepare server gname))
1292 (coding-system-for-write nnheader-file-coding-system)
1293 (buffer-file-coding-system nil)
1294 (file-coding-system-alist nil)
1295 srv-dir dir file tmpfile curfile 24h num article)
1298 (nnmaildir--srv-set-error nnmaildir--cur-server
1299 (concat "No such group: " gname))
1300 (throw 'return nil))
1301 (setq gname (nnmaildir--grp-get-name group))
1302 (when (nnmaildir--param (nnmaildir--grp-get-pname group) 'read-only)
1303 (nnmaildir--srv-set-error nnmaildir--cur-server
1304 (concat "Read-only group: " gname))
1305 (throw 'return nil))
1306 (setq srv-dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
1307 dir (nnmaildir--srv-grp-dir srv-dir gname)
1308 file (format-time-string "%s" nil))
1309 (if (string= nnmaildir--delivery-time file) nil
1310 (setq nnmaildir--delivery-time file
1311 nnmaildir--delivery-ct 0))
1312 (setq file (concat file "." nnmaildir--delivery-pid))
1313 (if (zerop nnmaildir--delivery-ct) nil
1314 (setq file (concat file "_"
1315 (number-to-string nnmaildir--delivery-ct))))
1316 (setq file (concat file "." (system-name))
1317 tmpfile (concat (nnmaildir--tmp dir) file)
1318 curfile (concat (nnmaildir--cur dir) file ":2,"))
1319 (when (file-exists-p tmpfile)
1320 (nnmaildir--srv-set-error nnmaildir--cur-server
1321 (concat "File exists: " tmpfile))
1322 (throw 'return nil))
1323 (when (file-exists-p curfile)
1324 (nnmaildir--srv-set-error nnmaildir--cur-server
1325 (concat "File exists: " curfile))
1326 (throw 'return nil))
1327 (setq nnmaildir--delivery-ct (1+ nnmaildir--delivery-ct)
1328 24h (run-with-timer 86400 nil
1330 (nnmaildir--unlink tmpfile)
1331 (nnmaildir--srv-set-error
1332 nnmaildir--cur-server
1333 "24-hour timer expired")
1334 (throw 'return nil))))
1336 (add-name-to-file nnmaildir--file tmpfile)
1338 (write-region (point-min) (point-max) tmpfile nil 'no-message nil
1339 'confirm-overwrite) ;; error would be preferred :(
1340 (unix-sync))) ;; no fsync :(
1343 (add-name-to-file tmpfile curfile)
1345 (nnmaildir--srv-set-error nnmaildir--cur-server
1346 (concat "Error linking: "
1347 (prin1-to-string err)))
1348 (nnmaildir--unlink tmpfile)
1349 (throw 'return nil)))
1350 (nnmaildir--unlink tmpfile)
1351 (setq article (nnmaildir--art-new)
1352 num (nnmaildir--grp-get-lists group)
1353 num (nnmaildir--lists-get-nlist num)
1354 num (1+ (nnmaildir--nlist-last-num num)))
1355 (nnmaildir--art-set-prefix article file)
1356 (nnmaildir--art-set-suffix article ":2,")
1357 (nnmaildir--art-set-num article num)
1358 (if (nnmaildir--grp-add-art srv-dir group article) (cons gname num)))))
1360 (defun nnmaildir-save-mail (group-art)
1363 (throw 'return nil))
1364 (let ((group-art group-art)
1365 x nnmaildir--file deactivate-mark)
1367 (goto-char (point-min))
1369 (while (looking-at "From ")
1370 (replace-match "X-From-Line: ")
1372 (setq x (caar group-art) group-art (cdr group-art))
1373 (if (nnmaildir-request-accept-article x) nil
1374 (throw 'return nil)) ; not that nnmail bothers to check
1375 (setq x (nnmaildir--prepare nil x)
1376 nnmaildir--file (nnmaildir--srv-get-dir nnmaildir--cur-server)
1377 nnmaildir--file (concat nnmaildir--file
1378 (nnmaildir--grp-get-name x))
1379 nnmaildir--file (file-name-as-directory nnmaildir--file)
1380 x (nnmaildir--grp-get-lists x)
1381 x (nnmaildir--lists-get-nlist x)
1383 nnmaildir--file (concat nnmaildir--file
1384 (nnmaildir--art-get-prefix x)
1385 (nnmaildir--art-get-suffix x)))
1387 (setq x (caar group-art) group-art (cdr group-art))
1388 (if (nnmaildir-request-accept-article x) nil
1389 (throw 'return nil))))
1392 (defun nnmaildir-active-number (group)
1393 (let ((x (nnmaildir--prepare nil group)))
1396 (nnmaildir--srv-set-error nnmaildir--cur-server
1397 (concat "No such group: " group))
1398 (throw 'return nil))
1399 (setq x (nnmaildir--grp-get-lists x)
1400 x (nnmaildir--lists-get-nlist x))
1403 x (nnmaildir--art-get-num x)
1407 (defun nnmaildir-request-expire-articles (ranges &optional gname server force)
1408 (let ((no-force (not force))
1409 (group (nnmaildir--prepare server gname))
1410 pgname time boundary time-iter bound-iter high low target dir nlist
1411 stop num article didnt suffix nnmaildir--file deactivate-mark)
1414 (nnmaildir--srv-set-error nnmaildir--cur-server
1415 (if gname (concat "No such group: " gname)
1416 "No current group"))
1417 (throw 'return (gnus-uncompress-range ranges)))
1418 (setq gname (nnmaildir--grp-get-name group)
1419 pgname (nnmaildir--grp-get-pname group))
1420 (if (nnmaildir--param pgname 'read-only)
1421 (throw 'return (gnus-uncompress-range ranges)))
1422 (setq time (or (nnmaildir--param pgname 'expire-age) 604800))
1423 (if (or force (integerp time)) nil
1424 (throw 'return (gnus-uncompress-range ranges)))
1425 (setq boundary (current-time)
1426 high (- (car boundary) (/ time 65536))
1427 low (- (cadr boundary) (% time 65536)))
1429 (setq low (+ low 65536)
1431 (setcar (cdr boundary) low)
1432 (setcar boundary high)
1433 (setq target (nnmaildir--param pgname 'expire-group)
1434 target (and (stringp target)
1435 (not (string-equal target pgname))
1437 dir (nnmaildir--srv-get-dir nnmaildir--cur-server)
1438 dir (nnmaildir--srv-grp-dir dir gname)
1439 dir (nnmaildir--cur dir)
1440 nlist (nnmaildir--grp-get-lists group)
1441 nlist (nnmaildir--lists-get-nlist nlist)
1442 ranges (reverse ranges))
1444 (set-buffer (get-buffer-create " *nnmaildir move*"))
1446 (setq num (car ranges) ranges (cdr ranges))
1447 (while (eq num (car ranges))
1448 (setq ranges (cdr ranges)))
1449 (if (numberp num) (setq stop num)
1450 (setq stop (car num) num (cdr num)))
1451 (setq nlist (nthcdr (- (nnmaildir--art-get-num (car nlist)) num)
1454 (setq article (car nlist)
1455 num (nnmaildir--art-get-num article))
1457 (setq nlist (cdr nlist)
1458 suffix (nnmaildir--art-get-suffix article))
1460 (if (stringp suffix) nil
1461 (nnmaildir--art-set-suffix article 'expire)
1462 (nnmaildir--art-set-nov article nil)
1463 (throw 'continue nil))
1464 (setq nnmaildir--file (nnmaildir--art-get-prefix article)
1465 nnmaildir--file (concat dir nnmaildir--file suffix)
1466 time (file-attributes nnmaildir--file))
1468 (nnmaildir--art-set-suffix article 'expire)
1469 (nnmaildir--art-set-nov article nil)
1470 (throw 'continue nil))
1471 (setq time (nth 5 time)
1473 bound-iter boundary)
1476 (while (and bound-iter time-iter
1477 (= (car bound-iter) (car time-iter)))
1478 (setq bound-iter (cdr bound-iter)
1479 time-iter (cdr time-iter)))
1480 (and bound-iter time-iter
1481 (car-less-than-car bound-iter time-iter))))
1482 (setq didnt (cons (nnmaildir--art-get-num article) didnt))
1485 (nnheader-insert-file-contents nnmaildir--file)
1486 (gnus-request-accept-article target nil nil 'no-encode))
1487 (nnmaildir--unlink nnmaildir--file)
1488 (nnmaildir--art-set-suffix article 'expire)
1489 (nnmaildir--art-set-nov article nil)))))
1493 (defun nnmaildir-request-set-mark (gname actions &optional server)
1494 (let ((group (nnmaildir--prepare server gname))
1495 (coding-system-for-write nnheader-file-coding-system)
1496 (buffer-file-coding-system nil)
1497 (file-coding-system-alist nil)
1498 del-mark add-marks marksdir markfile action group-nlist nlist ranges
1499 begin end article all-marks todo-marks did-marks marks form mdir mfile
1503 (setq mfile (car marks)
1504 mfile (symbol-name mfile)
1505 mfile (concat marksdir mfile)
1506 mfile (file-name-as-directory mfile)
1507 mfile (concat mfile (nnmaildir--art-get-prefix article)))
1508 (nnmaildir--unlink mfile))
1512 (setq mdir (concat marksdir (symbol-name (car marks)))
1513 mfile (concat (file-name-as-directory mdir)
1514 (nnmaildir--art-get-prefix article)))
1515 (if (memq (car marks) did-marks) nil
1516 (nnmaildir--mkdir mdir)
1517 (setq did-marks (cons (car marks) did-marks)))
1518 (if (file-exists-p mfile) nil
1520 (add-name-to-file markfile mfile)
1521 (file-error ;; too many links, probably
1522 (if (file-exists-p mfile) nil
1523 (nnmaildir--unlink markfile)
1524 (write-region "" nil markfile nil 'no-message)
1525 (add-name-to-file markfile mfile
1526 'ok-if-already-exists)))))
1527 (setq marks (cdr marks)))))
1530 (nnmaildir--srv-set-error nnmaildir--cur-server
1531 (concat "No such group: " gname))
1533 (setq ranges (gnus-range-add ranges (caar actions))
1534 actions (cdr actions)))
1535 (throw 'return ranges))
1536 (setq group-nlist (nnmaildir--grp-get-lists group)
1537 group-nlist (nnmaildir--lists-get-nlist group-nlist)
1538 marksdir (nnmaildir--srv-get-dir nnmaildir--cur-server)
1539 marksdir (nnmaildir--srv-grp-dir marksdir gname)
1540 marksdir (nnmaildir--nndir marksdir)
1541 markfile (concat marksdir "markfile")
1542 marksdir (concat marksdir "marks")
1543 marksdir (file-name-as-directory marksdir)
1544 gname (nnmaildir--grp-get-name group)
1545 all-marks (nnmaildir--grp-get-pname group)
1546 all-marks (or (nnmaildir--param all-marks 'directory-files)
1547 (nnmaildir--srv-get-ls nnmaildir--cur-server))
1548 all-marks (funcall all-marks marksdir nil "\\`[^.]" 'nosort)
1551 (setcar marks (intern (car marks)))
1552 (setq marks (cdr marks)))
1554 (setq action (car actions) actions (cdr actions)
1557 todo-marks (caddr action)
1560 (if (memq (car marks) all-marks) nil
1561 (setq all-marks (cons (car marks) all-marks)))
1562 (setq marks (cdr marks)))
1565 ((eq 'del (cadr action))
1568 (setq marks (cdr marks))))
1569 ((eq 'add (cadr action)) '(funcall add-marks))
1573 (setq marks all-marks)
1575 (if (memq (car marks) todo-marks) nil
1577 (setq marks (cdr marks)))))))
1578 (if (numberp (cdr ranges)) (setq ranges (list ranges))
1579 (setq ranges (reverse ranges)))
1581 (setq begin (car ranges) ranges (cdr ranges))
1582 (while (eq begin (car ranges))
1583 (setq ranges (cdr ranges)))
1584 (if (numberp begin) (setq end begin)
1585 (setq end (cdr begin) begin (car begin)))
1586 (setq nlist (nthcdr (- (nnmaildir--art-get-num (car nlist)) end)
1589 (setq article (car nlist))
1590 (>= (nnmaildir--art-get-num article) begin))
1591 (setq nlist (cdr nlist))
1592 (when (stringp (nnmaildir--art-get-suffix article))
1593 (setq marks todo-marks)
1597 (defun nnmaildir-close-group (group &optional server)
1600 (defun nnmaildir-close-server (&optional server)
1601 (let (srv-ls flist ls dirs dir files file x)
1602 (nnmaildir--prepare server nil)
1603 (setq server nnmaildir--cur-server)
1605 (setq nnmaildir--cur-server nil
1606 srv-ls (nnmaildir--srv-get-ls server))
1610 (setq group (symbol-value group)
1611 x (nnmaildir--grp-get-pname group)
1612 ls (nnmaildir--param x 'directory-files)
1614 dir (nnmaildir--srv-get-dir server)
1615 dir (nnmaildir--srv-grp-dir
1616 dir (nnmaildir--grp-get-name group))
1617 x (nnmaildir--param x 'read-only)
1618 x (if x (nnmaildir--new dir) (nnmaildir--cur dir))
1619 files (funcall ls x nil "\\`[^.]" 'nosort)
1622 (while (<= flist x) (setq flist (* 2 flist)))
1623 (if (/= flist 1) (setq flist (1- flist)))
1624 (setq flist (make-vector flist 0))
1626 (setq file (car files) files (cdr files))
1627 (string-match "\\`\\([^:]*\\)\\(:.*\\)?\\'" file)
1628 (intern (match-string 1 file) flist))
1629 (setq dir (nnmaildir--nndir dir)
1630 dirs (cons (concat dir "nov")
1631 (funcall ls (concat dir "marks") 'full "\\`[^.]"
1634 (setq dir (car dirs) dirs (cdr dirs)
1635 files (funcall ls dir nil "\\`[^.]" 'nosort)
1636 dir (file-name-as-directory dir))
1638 (setq file (car files) files (cdr files))
1639 (if (intern-soft file flist) nil
1640 (setq file (concat dir file))
1641 (delete-file file)))))
1642 (nnmaildir--srv-get-groups server)))
1643 (unintern (nnmaildir--srv-get-name server) nnmaildir--servers)))
1646 (defun nnmaildir-request-close ()
1647 (let (servers buffer)
1648 (mapatoms (lambda (server)
1649 (setq servers (cons (symbol-name server) servers)))
1652 (nnmaildir-close-server (car servers))
1653 (setq servers (cdr servers)))
1654 (setq buffer (get-buffer " *nnmaildir work*"))
1655 (if buffer (kill-buffer buffer))
1656 (setq buffer (get-buffer " *nnmaildir nov*"))
1657 (if buffer (kill-buffer buffer))
1658 (setq buffer (get-buffer " *nnmaildir move*"))
1659 (if buffer (kill-buffer buffer)))
1662 (provide 'nnmaildir)
1664 ;;; nnmaildir.el ends here