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55535639 | 1 | ;;; rmailout.el --- "RMAIL" mail reader for Emacs: output message to a file |
c88ab9ce | 2 | |
e84b4b86 TTN |
3 | ;; Copyright (C) 1985, 1987, 1993, 1994, 2001, 2002, 2003, 2004, |
4 | ;; 2005 Free Software Foundation, Inc. | |
9750e079 | 5 | |
4f4b8eff | 6 | ;; Maintainer: FSF |
d7b4d18f | 7 | ;; Keywords: mail |
4f4b8eff | 8 | |
8f88558f | 9 | ;; This file is part of GNU Emacs. |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 13 | ;; the Free Software Foundation; either version 2, or (at your option) |
8f88558f | 14 | ;; any later version. |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
b578f267 | 22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
3a35cf56 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
8f88558f | 25 | |
55535639 PJ |
26 | ;;; Commentary: |
27 | ||
4f4b8eff | 28 | ;;; Code: |
8f88558f | 29 | |
e5074474 | 30 | (require 'rmail) |
a51568bd | 31 | (provide 'rmailout) |
e5074474 | 32 | |
9259d36e | 33 | ;;;###autoload |
0a01a04e | 34 | (defcustom rmail-output-file-alist nil |
0f91ee7e | 35 | "*Alist matching regexps to suggested output Rmail files. |
dba3adb0 | 36 | This is a list of elements of the form (REGEXP . NAME-EXP). |
9fb6ed08 | 37 | The suggestion is taken if REGEXP matches anywhere in the message buffer. |
dba3adb0 RS |
38 | NAME-EXP may be a string constant giving the file name to use, |
39 | or more generally it may be any kind of expression that returns | |
0a01a04e RS |
40 | a file name as a string." |
41 | :type '(repeat (cons regexp | |
42 | (choice :value "" | |
43 | (string :tag "File Name") | |
44 | sexp))) | |
45 | :group 'rmail-output) | |
0f91ee7e | 46 | |
a51568bd RS |
47 | (defun rmail-output-read-rmail-file-name () |
48 | "Read the file name to use for `rmail-output-to-rmail-file'. | |
49 | Set `rmail-default-rmail-file' to this name as well as returning it." | |
50 | (let ((default-file | |
51 | (let (answer tail) | |
52 | (setq tail rmail-output-file-alist) | |
53 | ;; Suggest a file based on a pattern match. | |
54 | (while (and tail (not answer)) | |
55 | (save-excursion | |
c96b208d | 56 | (set-buffer rmail-buffer) |
a51568bd RS |
57 | (goto-char (point-min)) |
58 | (if (re-search-forward (car (car tail)) nil t) | |
59 | (setq answer (eval (cdr (car tail))))) | |
60 | (setq tail (cdr tail)))) | |
61 | ;; If no suggestions, use same file as last time. | |
62 | (expand-file-name (or answer rmail-default-rmail-file))))) | |
63 | (let ((read-file | |
64 | (expand-file-name | |
65 | (read-file-name | |
5b76833f | 66 | (concat "Output message to Rmail file (default " |
a51568bd | 67 | (file-name-nondirectory default-file) |
5b76833f | 68 | "): ") |
a51568bd RS |
69 | (file-name-directory default-file) |
70 | (abbreviate-file-name default-file)) | |
71 | (file-name-directory default-file)))) | |
72 | ;; If the user enters just a directory, | |
73 | ;; use the name within that directory chosen by the default. | |
74 | (setq rmail-default-rmail-file | |
75 | (if (file-directory-p read-file) | |
76 | (expand-file-name (file-name-nondirectory default-file) | |
77 | read-file) | |
78 | read-file))))) | |
79 | ||
80 | (defun rmail-output-read-file-name () | |
81 | "Read the file name to use for `rmail-output'. | |
82 | Set `rmail-default-file' to this name as well as returning it." | |
83 | (let ((default-file | |
84 | (let (answer tail) | |
85 | (setq tail rmail-output-file-alist) | |
86 | ;; Suggest a file based on a pattern match. | |
87 | (while (and tail (not answer)) | |
88 | (save-excursion | |
89 | (goto-char (point-min)) | |
90 | (if (re-search-forward (car (car tail)) nil t) | |
91 | (setq answer (eval (cdr (car tail))))) | |
92 | (setq tail (cdr tail)))) | |
93 | ;; If no suggestion, use same file as last time. | |
94 | (or answer rmail-default-file)))) | |
95 | (let ((read-file | |
96 | (expand-file-name | |
97 | (read-file-name | |
5b76833f | 98 | (concat "Output message to Unix mail file (default " |
a51568bd | 99 | (file-name-nondirectory default-file) |
5b76833f | 100 | "): ") |
a51568bd RS |
101 | (file-name-directory default-file) |
102 | (abbreviate-file-name default-file)) | |
103 | (file-name-directory default-file)))) | |
104 | (setq rmail-default-file | |
105 | (if (file-directory-p read-file) | |
106 | (expand-file-name (file-name-nondirectory default-file) | |
107 | read-file) | |
108 | (expand-file-name | |
109 | (or read-file (file-name-nondirectory default-file)) | |
110 | (file-name-directory default-file))))))) | |
111 | ||
fca97d87 RS |
112 | ;;; There are functions elsewhere in Emacs that use this function; |
113 | ;;; look at them before you change the calling method. | |
c889a41a | 114 | ;;;###autoload |
ab59163d | 115 | (defun rmail-output-to-rmail-file (file-name &optional count stay) |
8f88558f | 116 | "Append the current message to an Rmail file named FILE-NAME. |
117 | If the file does not exist, ask if it should be created. | |
118 | If file is being visited, the message is appended to the Emacs | |
119 | buffer visiting that file. | |
e155e60e RS |
120 | If the file exists and is not an Rmail file, the message is |
121 | appended in inbox format, the same way `rmail-output' does it. | |
dba3adb0 | 122 | |
dc591caf | 123 | The default file name comes from `rmail-default-rmail-file', |
42255e72 RS |
124 | which is updated to the name you use in this command. |
125 | ||
8f88558f | 126 | A prefix argument N says to output N consecutive messages |
ab59163d DL |
127 | starting with the current one. Deleted messages are skipped and don't count. |
128 | ||
129 | If optional argument STAY is non-nil, then leave the last filed | |
130 | mesasge up instead of moving forward to the next non-deleted message." | |
b25b6c34 | 131 | (interactive |
a51568bd RS |
132 | (list (rmail-output-read-rmail-file-name) |
133 | (prefix-numeric-value current-prefix-arg))) | |
37c0ad58 | 134 | (or count (setq count 1)) |
3bfd7edb JB |
135 | (setq file-name |
136 | (expand-file-name file-name | |
fdc9edf2 | 137 | (file-name-directory rmail-default-rmail-file))) |
ecf1f700 | 138 | (if (and (file-readable-p file-name) (not (mail-file-babyl-p file-name))) |
dba3adb0 | 139 | (rmail-output file-name count) |
dba3adb0 RS |
140 | (rmail-maybe-set-message-counters) |
141 | (setq file-name (abbreviate-file-name file-name)) | |
80abd2a8 | 142 | (or (find-buffer-visiting file-name) |
dba3adb0 RS |
143 | (file-exists-p file-name) |
144 | (if (yes-or-no-p | |
145 | (concat "\"" file-name "\" does not exist, create it? ")) | |
146 | (let ((file-buffer (create-file-buffer file-name))) | |
8f88558f | 147 | (save-excursion |
dba3adb0 RS |
148 | (set-buffer file-buffer) |
149 | (rmail-insert-rmail-file-header) | |
40beecee EZ |
150 | (let ((require-final-newline nil) |
151 | (coding-system-for-write | |
152 | (or rmail-file-coding-system | |
153 | 'emacs-mule-unix))) | |
dba3adb0 RS |
154 | (write-region (point-min) (point-max) file-name t 1))) |
155 | (kill-buffer file-buffer)) | |
156 | (error "Output file does not exist"))) | |
157 | (while (> count 0) | |
158 | (let (redelete) | |
159 | (unwind-protect | |
160 | (progn | |
c96b208d | 161 | (set-buffer rmail-buffer) |
953262f7 RS |
162 | ;; Temporarily turn off Deleted attribute. |
163 | ;; Do this outside the save-restriction, since it would | |
164 | ;; shift the place in the buffer where the visible text starts. | |
165 | (if (rmail-message-deleted-p rmail-current-message) | |
166 | (progn (setq redelete t) | |
167 | (rmail-set-attribute "deleted" nil))) | |
dba3adb0 RS |
168 | (save-restriction |
169 | (widen) | |
dba3adb0 RS |
170 | ;; Decide whether to append to a file or to an Emacs buffer. |
171 | (save-excursion | |
80abd2a8 | 172 | (let ((buf (find-buffer-visiting file-name)) |
dba3adb0 RS |
173 | (cur (current-buffer)) |
174 | (beg (1+ (rmail-msgbeg rmail-current-message))) | |
839ab81f RS |
175 | (end (1+ (rmail-msgend rmail-current-message))) |
176 | (coding-system-for-write | |
177 | (or rmail-file-coding-system | |
178 | 'emacs-mule-unix))) | |
dba3adb0 | 179 | (if (not buf) |
ab041f09 RS |
180 | ;; Output to a file. |
181 | (if rmail-fields-not-to-output | |
182 | ;; Delete some fields while we output. | |
183 | (let ((obuf (current-buffer))) | |
184 | (set-buffer (get-buffer-create " rmail-out-temp")) | |
185 | (insert-buffer-substring obuf beg end) | |
186 | (rmail-delete-unwanted-fields) | |
187 | (append-to-file (point-min) (point-max) file-name) | |
188 | (set-buffer obuf) | |
189 | (kill-buffer (get-buffer " rmail-out-temp"))) | |
190 | (append-to-file beg end file-name)) | |
dba3adb0 RS |
191 | (if (eq buf (current-buffer)) |
192 | (error "Can't output message to same file it's already in")) | |
193 | ;; File has been visited, in buffer BUF. | |
194 | (set-buffer buf) | |
195 | (let ((buffer-read-only nil) | |
196 | (msg (and (boundp 'rmail-current-message) | |
197 | rmail-current-message))) | |
198 | ;; If MSG is non-nil, buffer is in RMAIL mode. | |
199 | (if msg | |
200 | (progn | |
913126a6 RS |
201 | ;; Turn on auto save mode, if it's off in this |
202 | ;; buffer but enabled by default. | |
203 | (and (not buffer-auto-save-file-name) | |
204 | auto-save-default | |
205 | (auto-save-mode t)) | |
dba3adb0 RS |
206 | (rmail-maybe-set-message-counters) |
207 | (widen) | |
208 | (narrow-to-region (point-max) (point-max)) | |
209 | (insert-buffer-substring cur beg end) | |
210 | (goto-char (point-min)) | |
211 | (widen) | |
212 | (search-backward "\n\^_") | |
213 | (narrow-to-region (point) (point-max)) | |
ab041f09 | 214 | (rmail-delete-unwanted-fields) |
dba3adb0 | 215 | (rmail-count-new-messages t) |
953262f7 RS |
216 | (if (rmail-summary-exists) |
217 | (rmail-select-summary | |
218 | (rmail-update-summary))) | |
dba3adb0 | 219 | (rmail-show-message msg)) |
839ab81f RS |
220 | ;; Output file not in rmail mode => just insert at the end. |
221 | (narrow-to-region (point-min) (1+ (buffer-size))) | |
222 | (goto-char (point-max)) | |
223 | (insert-buffer-substring cur beg end) | |
224 | (rmail-delete-unwanted-fields))))))) | |
dba3adb0 RS |
225 | (rmail-set-attribute "filed" t)) |
226 | (if redelete (rmail-set-attribute "deleted" t)))) | |
227 | (setq count (1- count)) | |
228 | (if rmail-delete-after-output | |
693ff613 | 229 | (unless |
ab59163d DL |
230 | (if (and (= count 0) stay) |
231 | (rmail-delete-message) | |
232 | (rmail-delete-forward)) | |
233 | (setq count 0)) | |
dba3adb0 | 234 | (if (> count 0) |
693ff613 | 235 | (unless |
ab59163d DL |
236 | (if (not stay) (rmail-next-undeleted-message 1)) |
237 | (setq count 0))))))) | |
dba3adb0 | 238 | |
c889a41a | 239 | ;;;###autoload |
0a01a04e RS |
240 | (defcustom rmail-fields-not-to-output nil |
241 | "*Regexp describing fields to exclude when outputting a message to a file." | |
242 | :type '(choice (const :tag "None" nil) | |
243 | regexp) | |
244 | :group 'rmail-output) | |
ab041f09 RS |
245 | |
246 | ;; Delete from the buffer header fields we don't want output. | |
247 | ;; NOT-RMAIL if t means this buffer does not have the full header | |
248 | ;; and *** EOOH *** that a message in an Rmail file has. | |
249 | (defun rmail-delete-unwanted-fields (&optional not-rmail) | |
693ff613 | 250 | (if rmail-fields-not-to-output |
ab041f09 RS |
251 | (save-excursion |
252 | (goto-char (point-min)) | |
253 | ;; Find the end of the header. | |
254 | (if (and (or not-rmail (search-forward "\n*** EOOH ***\n" nil t)) | |
255 | (search-forward "\n\n" nil t)) | |
256 | (let ((end (point-marker))) | |
257 | (goto-char (point-min)) | |
258 | (while (re-search-forward rmail-fields-not-to-output end t) | |
259 | (beginning-of-line) | |
260 | (delete-region (point) | |
261 | (progn (forward-line 1) (point))))))))) | |
262 | ||
fca97d87 RS |
263 | ;;; There are functions elsewhere in Emacs that use this function; |
264 | ;;; look at them before you change the calling method. | |
c889a41a | 265 | ;;;###autoload |
32ad8f1f | 266 | (defun rmail-output (file-name &optional count noattribute from-gnus) |
f9d75fab | 267 | "Append this message to system-inbox-format mail file named FILE-NAME. |
8f88558f | 268 | A prefix argument N says to output N consecutive messages |
37c0ad58 | 269 | starting with the current one. Deleted messages are skipped and don't count. |
6e446ebb RS |
270 | When called from lisp code, N may be omitted. |
271 | ||
49e4a58a RS |
272 | If the pruned message header is shown on the current message, then |
273 | messages will be appended with pruned headers; otherwise, messages | |
274 | will be appended with their original headers. | |
275 | ||
346af510 | 276 | The default file name comes from `rmail-default-file', |
42255e72 RS |
277 | which is updated to the name you use in this command. |
278 | ||
6e446ebb | 279 | The optional third argument NOATTRIBUTE, if non-nil, says not |
32ad8f1f RS |
280 | to set the `filed' attribute, and not to display a message. |
281 | ||
282 | The optional fourth argument FROM-GNUS is set when called from GNUS." | |
8f88558f | 283 | (interactive |
a51568bd RS |
284 | (list (rmail-output-read-file-name) |
285 | (prefix-numeric-value current-prefix-arg))) | |
37c0ad58 | 286 | (or count (setq count 1)) |
3bfd7edb JB |
287 | (setq file-name |
288 | (expand-file-name file-name | |
fdc9edf2 RS |
289 | (and rmail-default-file |
290 | (file-name-directory rmail-default-file)))) | |
ecf1f700 | 291 | (if (and (file-readable-p file-name) (mail-file-babyl-p file-name)) |
dba3adb0 | 292 | (rmail-output-to-rmail-file file-name count) |
c96b208d | 293 | (set-buffer rmail-buffer) |
49e4a58a RS |
294 | (let ((orig-count count) |
295 | (rmailbuf (current-buffer)) | |
296 | (case-fold-search t) | |
297 | (tembuf (get-buffer-create " rmail-output")) | |
298 | (original-headers-p | |
32ad8f1f | 299 | (and (not from-gnus) |
693ff613 | 300 | (save-excursion |
32ad8f1f RS |
301 | (save-restriction |
302 | (narrow-to-region (rmail-msgbeg rmail-current-message) (point-max)) | |
303 | (goto-char (point-min)) | |
304 | (forward-line 1) | |
305 | (= (following-char) ?0))))) | |
49e4a58a | 306 | header-beginning |
693ff613 | 307 | mail-from mime-version content-type) |
49e4a58a | 308 | (while (> count 0) |
fca97d87 RS |
309 | ;; Preserve the Mail-From and MIME-Version fields |
310 | ;; even if they have been pruned. | |
32ad8f1f | 311 | (or from-gnus |
fca97d87 RS |
312 | (save-excursion |
313 | (save-restriction | |
314 | (widen) | |
315 | (goto-char (rmail-msgbeg rmail-current-message)) | |
316 | (setq header-beginning (point)) | |
317 | (search-forward "\n*** EOOH ***\n") | |
318 | (narrow-to-region header-beginning (point)) | |
693ff613 FP |
319 | (setq mail-from (mail-fetch-field "Mail-From")) |
320 | (unless rmail-enable-mime | |
321 | (setq mime-version (mail-fetch-field "MIME-Version") | |
322 | content-type (mail-fetch-field "Content-type")))))) | |
dba3adb0 RS |
323 | (save-excursion |
324 | (set-buffer tembuf) | |
325 | (erase-buffer) | |
326 | (insert-buffer-substring rmailbuf) | |
3427b085 GM |
327 | (when rmail-enable-mime |
328 | (if original-headers-p | |
329 | (delete-region (goto-char (point-min)) | |
330 | (if (search-forward "\n*** EOOH ***\n") | |
331 | (match-end 0))) | |
332 | (goto-char (point-min)) | |
333 | (forward-line 2) | |
334 | (delete-region (point-min)(point)) | |
335 | (search-forward "\n*** EOOH ***\n") | |
336 | (delete-region (match-beginning 0) | |
337 | (if (search-forward "\n\n") | |
338 | (1- (match-end 0))))) | |
339 | (setq buffer-file-coding-system (or rmail-file-coding-system | |
340 | 'raw-text))) | |
ab041f09 | 341 | (rmail-delete-unwanted-fields t) |
b054090e | 342 | (or (bolp) (insert "\n")) |
dba3adb0 | 343 | (goto-char (point-min)) |
49e4a58a RS |
344 | (if mail-from |
345 | (insert mail-from "\n") | |
346 | (insert "From " | |
347 | (mail-strip-quoted-names (or (mail-fetch-field "from") | |
348 | (mail-fetch-field "really-from") | |
349 | (mail-fetch-field "sender") | |
350 | "unknown")) | |
351 | " " (current-time-string) "\n")) | |
fca97d87 | 352 | (if mime-version |
693ff613 FP |
353 | (insert "MIME-Version: " mime-version |
354 | "\nContent-type: " content-type "\n")) | |
dba3adb0 RS |
355 | ;; ``Quote'' "\nFrom " as "\n>From " |
356 | ;; (note that this isn't really quoting, as there is no requirement | |
357 | ;; that "\n[>]+From " be quoted in the same transparent way.) | |
c4613e62 KH |
358 | (let ((case-fold-search nil)) |
359 | (while (search-forward "\nFrom " nil t) | |
360 | (forward-char -5) | |
361 | (insert ?>))) | |
6e446ebb RS |
362 | (write-region (point-min) (point-max) file-name t |
363 | (if noattribute 'nomsg))) | |
49e4a58a RS |
364 | (or noattribute |
365 | (if (equal major-mode 'rmail-mode) | |
366 | (rmail-set-attribute "filed" t))) | |
367 | (setq count (1- count)) | |
32ad8f1f RS |
368 | (or from-gnus |
369 | (let ((next-message-p | |
370 | (if rmail-delete-after-output | |
371 | (rmail-delete-forward) | |
372 | (if (> count 0) | |
373 | (rmail-next-undeleted-message 1)))) | |
374 | (num-appended (- orig-count count))) | |
375 | (if (and next-message-p original-headers-p) | |
376 | (rmail-toggle-header)) | |
377 | (if (and (> count 0) (not next-message-p)) | |
693ff613 | 378 | (progn |
32ad8f1f RS |
379 | (error |
380 | (save-excursion | |
381 | (set-buffer rmailbuf) | |
382 | (format "Only %d message%s appended" num-appended | |
383 | (if (= num-appended 1) "" "s")))) | |
384 | (setq count 0)))))) | |
49e4a58a | 385 | (kill-buffer tembuf)))) |
c88ab9ce | 386 | |
d607b17d | 387 | ;;;###autoload |
a24de134 | 388 | (defun rmail-output-body-to-file (file-name) |
d607b17d RS |
389 | "Write this message body to the file FILE-NAME. |
390 | FILE-NAME defaults, interactively, from the Subject field of the message." | |
391 | (interactive | |
392 | (let ((default-file | |
d1cad408 RS |
393 | (or (mail-fetch-field "Subject") |
394 | rmail-default-body-file))) | |
395 | (list (setq rmail-default-body-file | |
396 | (read-file-name | |
397 | "Output message body to file: " | |
398 | (and default-file (file-name-directory default-file)) | |
399 | default-file | |
400 | nil default-file))))) | |
401 | (setq file-name | |
402 | (expand-file-name file-name | |
403 | (and rmail-default-body-file | |
404 | (file-name-directory rmail-default-body-file)))) | |
d607b17d RS |
405 | (save-excursion |
406 | (goto-char (point-min)) | |
407 | (search-forward "\n\n") | |
a24de134 RS |
408 | (and (file-exists-p file-name) |
409 | (not (y-or-n-p (message "File %s exists; overwrite? " file-name))) | |
410 | (error "Operation aborted")) | |
d607b17d RS |
411 | (write-region (point) (point-max) file-name) |
412 | (if (equal major-mode 'rmail-mode) | |
413 | (rmail-set-attribute "stored" t))) | |
414 | (if rmail-delete-after-output | |
415 | (rmail-delete-forward))) | |
416 | ||
ab5796a9 | 417 | ;;; arch-tag: 447117c6-1a9a-4b88-aa43-3101b043e3a4 |
c88ab9ce | 418 | ;;; rmailout.el ends here |