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537ab246 BG |
1 | ;;; rmailmm.el --- MIME decoding and display stuff for RMAIL |
2 | ||
114f9c96 | 3 | ;; Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
537ab246 | 4 | |
6ea97e7e GM |
5 | ;; Author: Alexander Pohoyda |
6 | ;; Alex Schroeder | |
537ab246 BG |
7 | ;; Maintainer: FSF |
8 | ;; Keywords: mail | |
9 | ||
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation, either version 3 of the License, or | |
15 | ;; (at your option) any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;; Essentially based on the design of Alexander Pohoyda's MIME | |
73422054 GM |
28 | ;; extensions (mime-display.el and mime.el). |
29 | ;; Call `M-x rmail-mime' when viewing an Rmail message. | |
537ab246 | 30 | |
2e9075d3 GM |
31 | ;; Todo: |
32 | ||
33 | ;; Handle multipart/alternative. | |
a92cdd49 | 34 | ;; Offer the option to call external/internal viewers (doc-view, xpdf, etc). |
2e9075d3 | 35 | |
537ab246 BG |
36 | ;;; Code: |
37 | ||
38 | (require 'rmail) | |
39 | (require 'mail-parse) | |
40 | ||
f4ce6150 | 41 | ;;; User options. |
537ab246 | 42 | |
e8652dd9 GM |
43 | (defgroup rmail-mime nil |
44 | "Rmail MIME handling options." | |
45 | :prefix "rmail-mime-" | |
46 | :group 'rmail) | |
47 | ||
537ab246 BG |
48 | (defcustom rmail-mime-media-type-handlers-alist |
49 | '(("multipart/.*" rmail-mime-multipart-handler) | |
50 | ("text/.*" rmail-mime-text-handler) | |
51 | ("text/\\(x-\\)?patch" rmail-mime-bulk-handler) | |
e8652dd9 | 52 | ("\\(image\\|audio\\|video\\|application\\)/.*" rmail-mime-bulk-handler)) |
f4ce6150 | 53 | "Functions to handle various content types. |
c8644de0 GM |
54 | This is an alist with elements of the form (REGEXP FUNCTION ...). |
55 | The first item is a regular expression matching a content-type. | |
56 | The remaining elements are handler functions to run, in order of | |
2e9075d3 GM |
57 | decreasing preference. These are called until one returns non-nil. |
58 | Note that this only applies to items with an inline Content-Disposition, | |
59 | all others are handled by `rmail-mime-bulk-handler'." | |
c8644de0 | 60 | :type '(alist :key-type regexp :value-type (repeat function)) |
e8652dd9 GM |
61 | :version "23.1" |
62 | :group 'rmail-mime) | |
537ab246 BG |
63 | |
64 | (defcustom rmail-mime-attachment-dirs-alist | |
f265b4de | 65 | `(("text/.*" "~/Documents") |
537ab246 | 66 | ("image/.*" "~/Pictures") |
f265b4de | 67 | (".*" "~/Desktop" "~" ,temporary-file-directory)) |
f4ce6150 GM |
68 | "Default directories to save attachments of various types into. |
69 | This is an alist with elements of the form (REGEXP DIR ...). | |
70 | The first item is a regular expression matching a content-type. | |
71 | The remaining elements are directories, in order of decreasing preference. | |
72 | The first directory that exists is used." | |
73 | :type '(alist :key-type regexp :value-type (repeat directory)) | |
74 | :version "23.1" | |
e8652dd9 GM |
75 | :group 'rmail-mime) |
76 | ||
77 | (defcustom rmail-mime-show-images 'button | |
78 | "What to do with image attachments that Emacs is capable of displaying. | |
79 | If nil, do nothing special. If `button', add an extra button | |
a92cdd49 GM |
80 | that when pushed displays the image in the buffer. If a number, |
81 | automatically show images if they are smaller than that size (in | |
82 | bytes), otherwise add a display button. Anything else means to | |
83 | automatically display the image in the buffer." | |
e8652dd9 GM |
84 | :type '(choice (const :tag "Add button to view image" button) |
85 | (const :tag "No special treatment" nil) | |
a92cdd49 | 86 | (number :tag "Show if smaller than certain size") |
e8652dd9 GM |
87 | (other :tag "Always show" show)) |
88 | :version "23.2" | |
89 | :group 'rmail-mime) | |
537ab246 | 90 | |
f4ce6150 GM |
91 | ;;; End of user options. |
92 | ||
93 | ||
537ab246 BG |
94 | ;;; Buttons |
95 | ||
96 | (defun rmail-mime-save (button) | |
97 | "Save the attachment using info in the BUTTON." | |
98 | (let* ((filename (button-get button 'filename)) | |
99 | (directory (button-get button 'directory)) | |
fe6793d4 GM |
100 | (data (button-get button 'data)) |
101 | (ofilename filename)) | |
537ab246 BG |
102 | (setq filename (expand-file-name |
103 | (read-file-name (format "Save as (default: %s): " filename) | |
104 | directory | |
105 | (expand-file-name filename directory)) | |
106 | directory)) | |
fe6793d4 GM |
107 | ;; If arg is just a directory, use the default file name, but in |
108 | ;; that directory (copied from write-file). | |
109 | (if (file-directory-p filename) | |
110 | (setq filename (expand-file-name | |
111 | (file-name-nondirectory ofilename) | |
112 | (file-name-as-directory filename)))) | |
113 | (with-temp-buffer | |
537ab246 | 114 | (set-buffer-file-coding-system 'no-conversion) |
134a027f EZ |
115 | ;; Needed e.g. by jka-compr, so if the attachment is a compressed |
116 | ;; file, the magic signature compares equal with the unibyte | |
117 | ;; signature string recorded in jka-compr-compression-info-list. | |
118 | (set-buffer-multibyte nil) | |
fe6793d4 GM |
119 | (insert data) |
120 | (write-region nil nil filename nil nil nil t)))) | |
537ab246 | 121 | |
fe6793d4 | 122 | (define-button-type 'rmail-mime-save 'action 'rmail-mime-save) |
537ab246 BG |
123 | |
124 | ;;; Handlers | |
125 | ||
126 | (defun rmail-mime-text-handler (content-type | |
127 | content-disposition | |
128 | content-transfer-encoding) | |
129 | "Handle the current buffer as a plain text MIME part." | |
130 | (let* ((charset (cdr (assq 'charset (cdr content-type)))) | |
131 | (coding-system (when charset | |
132 | (intern (downcase charset))))) | |
133 | (when (coding-system-p coding-system) | |
134 | (decode-coding-region (point-min) (point-max) coding-system)))) | |
135 | ||
f4ce6150 | 136 | ;; FIXME move to the test/ directory? |
537ab246 BG |
137 | (defun test-rmail-mime-handler () |
138 | "Test of a mail using no MIME parts at all." | |
139 | (let ((mail "To: alex@gnu.org | |
140 | Content-Type: text/plain; charset=koi8-r | |
141 | Content-Transfer-Encoding: 8bit | |
142 | MIME-Version: 1.0 | |
143 | ||
144 | \372\304\322\301\327\323\324\327\325\312\324\305\41")) | |
145 | (switch-to-buffer (get-buffer-create "*test*")) | |
146 | (erase-buffer) | |
147 | (set-buffer-multibyte nil) | |
148 | (insert mail) | |
149 | (rmail-mime-show t) | |
150 | (set-buffer-multibyte t))) | |
151 | ||
e8652dd9 GM |
152 | |
153 | (defun rmail-mime-insert-image (type data) | |
154 | "Insert an image of type TYPE, where DATA is the image data." | |
155 | (end-of-line) | |
156 | (insert ?\n) | |
157 | (insert-image (create-image data type t))) | |
158 | ||
159 | (defun rmail-mime-image (button) | |
160 | "Display the image associated with BUTTON." | |
161 | (let ((inhibit-read-only t)) | |
162 | (rmail-mime-insert-image (button-get button 'image-type) | |
163 | (button-get button 'image-data)))) | |
164 | ||
165 | (define-button-type 'rmail-mime-image 'action 'rmail-mime-image) | |
166 | ||
167 | ||
537ab246 BG |
168 | (defun rmail-mime-bulk-handler (content-type |
169 | content-disposition | |
e8652dd9 | 170 | content-transfer-encoding) |
2e9075d3 | 171 | "Handle the current buffer as an attachment to download. |
e8652dd9 GM |
172 | For images that Emacs is capable of displaying, the behavior |
173 | depends upon the value of `rmail-mime-show-images'." | |
174 | ;; Find the default directory for this media type. | |
537ab246 BG |
175 | (let* ((directory (catch 'directory |
176 | (dolist (entry rmail-mime-attachment-dirs-alist) | |
177 | (when (string-match (car entry) (car content-type)) | |
178 | (dolist (dir (cdr entry)) | |
179 | (when (file-directory-p dir) | |
180 | (throw 'directory dir))))))) | |
181 | (filename (or (cdr (assq 'name (cdr content-type))) | |
182 | (cdr (assq 'filename (cdr content-disposition))) | |
183 | "noname")) | |
184 | (label (format "\nAttached %s file: " (car content-type))) | |
e8652dd9 | 185 | (data (buffer-string)) |
69220882 GM |
186 | (udata (string-as-unibyte data)) |
187 | (size (length udata)) | |
a92cdd49 | 188 | (osize size) |
69220882 | 189 | (units '(B kB MB GB)) |
e8652dd9 | 190 | type) |
69220882 GM |
191 | (while (and (> size 1024.0) ; cribbed from gnus-agent-expire-done-message |
192 | (cdr units)) | |
193 | (setq size (/ size 1024.0) | |
194 | units (cdr units))) | |
537ab246 BG |
195 | (delete-region (point-min) (point-max)) |
196 | (insert label) | |
197 | (insert-button filename | |
198 | :type 'rmail-mime-save | |
2e9075d3 | 199 | 'help-echo "mouse-2, RET: Save attachment" |
537ab246 | 200 | 'filename filename |
fe6793d4 | 201 | 'directory (file-name-as-directory directory) |
2e9075d3 | 202 | 'data data) |
69220882 | 203 | (insert (format " (%.0f%s)" size (car units))) |
e8652dd9 GM |
204 | (when (and rmail-mime-show-images |
205 | (string-match "image/\\(.*\\)" (setq type (car content-type))) | |
206 | (setq type (concat "." (match-string 1 type)) | |
207 | type (image-type-from-file-name type)) | |
208 | (memq type image-types) | |
209 | (image-type-available-p type)) | |
2e9075d3 | 210 | (insert " ") |
a92cdd49 GM |
211 | (cond ((or (eq rmail-mime-show-images 'button) |
212 | (and (numberp rmail-mime-show-images) | |
213 | (>= osize rmail-mime-show-images))) | |
e8652dd9 GM |
214 | (insert-button "Display" |
215 | :type 'rmail-mime-image | |
216 | 'help-echo "mouse-2, RET: Show image" | |
217 | 'image-type type | |
69220882 | 218 | 'image-data udata)) |
e8652dd9 | 219 | (t |
69220882 | 220 | (rmail-mime-insert-image type udata)))))) |
537ab246 BG |
221 | |
222 | (defun test-rmail-mime-bulk-handler () | |
223 | "Test of a mail used as an example in RFC 2183." | |
224 | (let ((mail "Content-Type: image/jpeg | |
225 | Content-Disposition: attachment; filename=genome.jpeg; | |
226 | modification-date=\"Wed, 12 Feb 1997 16:29:51 -0500\"; | |
227 | Content-Description: a complete map of the human genome | |
228 | Content-Transfer-Encoding: base64 | |
229 | ||
230 | iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAMAAABg3Am1AAAABGdBTUEAALGPC/xhBQAAAAZQ | |
231 | TFRF////AAAAVcLTfgAAAPZJREFUeNq9ldsOwzAIQ+3//+l1WlvA5ZLsoUiTto4TB+ISoAjy | |
232 | +ITfRBfcAmgRFFeAm+J6uhdKdFhFWUgDkFsK0oUp/9G2//Kj7Jx+5tSKOdBscgUYiKHRS/me | |
233 | WATQdRUvAK0Bnmshmtn79PpaLBbbOZkjKvRnjRZoRswOkG1wFchKew2g9wXVJVZL/m4+B+vv | |
234 | 9AxQQR2Q33SgAYJzzVACdAWjAfRYzYFO9n6SLnydtQHSMxYDMAKqZ/8FS/lTK+zuq3CtK64L | |
235 | UDwbgUEAUmk2Zyg101d6PhCDySgAvTvDgKiuOrc4dLxUb7UMnhGIexyI+d6U+ABuNAP4Simx | |
236 | lgAAAABJRU5ErkJggg== | |
237 | ")) | |
238 | (switch-to-buffer (get-buffer-create "*test*")) | |
239 | (erase-buffer) | |
240 | (insert mail) | |
241 | (rmail-mime-show))) | |
242 | ||
243 | (defun rmail-mime-multipart-handler (content-type | |
244 | content-disposition | |
245 | content-transfer-encoding) | |
246 | "Handle the current buffer as a multipart MIME body. | |
247 | The current buffer should be narrowed to the body. CONTENT-TYPE, | |
248 | CONTENT-DISPOSITION, and CONTENT-TRANSFER-ENCODING are the values | |
249 | of the respective parsed headers. See `rmail-mime-handle' for their | |
250 | format." | |
251 | ;; Some MUAs start boundaries with "--", while it should start | |
252 | ;; with "CRLF--", as defined by RFC 2046: | |
253 | ;; The boundary delimiter MUST occur at the beginning of a line, | |
254 | ;; i.e., following a CRLF, and the initial CRLF is considered to | |
255 | ;; be attached to the boundary delimiter line rather than part | |
256 | ;; of the preceding part. | |
257 | ;; We currently don't handle that. | |
258 | (let ((boundary (cdr (assq 'boundary content-type))) | |
259 | beg end next) | |
260 | (unless boundary | |
261 | (rmail-mm-get-boundary-error-message | |
262 | "No boundary defined" content-type content-disposition | |
263 | content-transfer-encoding)) | |
264 | (setq boundary (concat "\n--" boundary)) | |
265 | ;; Hide the body before the first bodypart | |
266 | (goto-char (point-min)) | |
267 | (when (and (search-forward boundary nil t) | |
268 | (looking-at "[ \t]*\n")) | |
269 | (delete-region (point-min) (match-end 0))) | |
537ab246 BG |
270 | ;; Loop over all body parts, where beg points at the beginning of |
271 | ;; the part and end points at the end of the part. next points at | |
272 | ;; the beginning of the next part. | |
273 | (setq beg (point-min)) | |
274 | (while (search-forward boundary nil t) | |
275 | (setq end (match-beginning 0)) | |
276 | ;; If this is the last boundary according to RFC 2046, hide the | |
277 | ;; epilogue, else hide the boundary only. Use a marker for | |
278 | ;; `next' because `rmail-mime-show' may change the buffer. | |
ffa1fed6 | 279 | (cond ((looking-at "--[ \t]*$") |
537ab246 BG |
280 | (setq next (point-max-marker))) |
281 | ((looking-at "[ \t]*\n") | |
ffa1fed6 | 282 | (setq next (copy-marker (match-end 0) t))) |
537ab246 BG |
283 | (t |
284 | (rmail-mm-get-boundary-error-message | |
285 | "Malformed boundary" content-type content-disposition | |
286 | content-transfer-encoding))) | |
287 | (delete-region end next) | |
288 | ;; Handle the part. | |
a92cdd49 GM |
289 | (save-restriction |
290 | (narrow-to-region beg end) | |
291 | (rmail-mime-show)) | |
292 | (goto-char (setq beg next))))) | |
293 | ||
537ab246 BG |
294 | |
295 | (defun test-rmail-mime-multipart-handler () | |
296 | "Test of a mail used as an example in RFC 2046." | |
297 | (let ((mail "From: Nathaniel Borenstein <nsb@bellcore.com> | |
298 | To: Ned Freed <ned@innosoft.com> | |
299 | Date: Sun, 21 Mar 1993 23:56:48 -0800 (PST) | |
300 | Subject: Sample message | |
301 | MIME-Version: 1.0 | |
302 | Content-type: multipart/mixed; boundary=\"simple boundary\" | |
303 | ||
304 | This is the preamble. It is to be ignored, though it | |
305 | is a handy place for composition agents to include an | |
306 | explanatory note to non-MIME conformant readers. | |
307 | ||
308 | --simple boundary | |
309 | ||
310 | This is implicitly typed plain US-ASCII text. | |
311 | It does NOT end with a linebreak. | |
312 | --simple boundary | |
313 | Content-type: text/plain; charset=us-ascii | |
314 | ||
315 | This is explicitly typed plain US-ASCII text. | |
316 | It DOES end with a linebreak. | |
317 | ||
318 | --simple boundary-- | |
319 | ||
320 | This is the epilogue. It is also to be ignored.")) | |
321 | (switch-to-buffer (get-buffer-create "*test*")) | |
322 | (erase-buffer) | |
323 | (insert mail) | |
324 | (rmail-mime-show t))) | |
325 | ||
326 | ;;; Main code | |
327 | ||
328 | (defun rmail-mime-handle (content-type | |
329 | content-disposition | |
330 | content-transfer-encoding) | |
331 | "Handle the current buffer as a MIME part. | |
332 | The current buffer should be narrowed to the respective body, and | |
333 | point should be at the beginning of the body. | |
334 | ||
335 | CONTENT-TYPE, CONTENT-DISPOSITION, and CONTENT-TRANSFER-ENCODING | |
0c9ff2c5 GM |
336 | are the values of the respective parsed headers. The latter should |
337 | be downcased. The parsed headers for CONTENT-TYPE and CONTENT-DISPOSITION | |
338 | have the form | |
537ab246 BG |
339 | |
340 | \(VALUE . ALIST) | |
341 | ||
342 | In other words: | |
343 | ||
344 | \(VALUE (ATTRIBUTE . VALUE) (ATTRIBUTE . VALUE) ...) | |
345 | ||
346 | VALUE is a string and ATTRIBUTE is a symbol. | |
347 | ||
348 | Consider the following header, for example: | |
349 | ||
350 | Content-Type: multipart/mixed; | |
351 | boundary=\"----=_NextPart_000_0104_01C617E4.BDEC4C40\" | |
352 | ||
353 | The parsed header value: | |
354 | ||
355 | \(\"multipart/mixed\" | |
356 | \(\"boundary\" . \"----=_NextPart_000_0104_01C617E4.BDEC4C40\"))" | |
357 | ;; Handle the content transfer encodings we know. Unknown transfer | |
358 | ;; encodings will be passed on to the various handlers. | |
359 | (cond ((string= content-transfer-encoding "base64") | |
360 | (when (ignore-errors | |
361 | (base64-decode-region (point) (point-max))) | |
362 | (setq content-transfer-encoding nil))) | |
363 | ((string= content-transfer-encoding "quoted-printable") | |
364 | (quoted-printable-decode-region (point) (point-max)) | |
365 | (setq content-transfer-encoding nil)) | |
366 | ((string= content-transfer-encoding "8bit") | |
367 | ;; FIXME: Is this the correct way? | |
c893016b SM |
368 | ;; No, of course not, it just means there's no decoding to do. |
369 | ;; (set-buffer-multibyte nil) | |
370 | (setq content-transfer-encoding nil) | |
371 | )) | |
537ab246 BG |
372 | ;; Inline stuff requires work. Attachments are handled by the bulk |
373 | ;; handler. | |
374 | (if (string= "inline" (car content-disposition)) | |
375 | (let ((stop nil)) | |
376 | (dolist (entry rmail-mime-media-type-handlers-alist) | |
377 | (when (and (string-match (car entry) (car content-type)) (not stop)) | |
378 | (progn | |
379 | (setq stop (funcall (cadr entry) content-type | |
380 | content-disposition | |
381 | content-transfer-encoding)))))) | |
382 | ;; Everything else is an attachment. | |
383 | (rmail-mime-bulk-handler content-type | |
384 | content-disposition | |
385 | content-transfer-encoding))) | |
386 | ||
387 | (defun rmail-mime-show (&optional show-headers) | |
388 | "Handle the current buffer as a MIME message. | |
389 | If SHOW-HEADERS is non-nil, then the headers of the current part | |
390 | will shown as usual for a MIME message. The headers are also | |
391 | shown for the content type message/rfc822. This function will be | |
392 | called recursively if multiple parts are available. | |
393 | ||
394 | The current buffer must contain a single message. It will be | |
395 | modified." | |
396 | (let ((end (point-min)) | |
397 | content-type | |
398 | content-transfer-encoding | |
399 | content-disposition) | |
400 | ;; `point-min' returns the beginning and `end' points at the end | |
401 | ;; of the headers. | |
402 | (goto-char (point-min)) | |
403 | ;; If we're showing a part without headers, then it will start | |
404 | ;; with a newline. | |
405 | (if (eq (char-after) ?\n) | |
406 | (setq end (1+ (point))) | |
407 | (when (search-forward "\n\n" nil t) | |
408 | (setq end (match-end 0)) | |
409 | (save-restriction | |
410 | (narrow-to-region (point-min) end) | |
411 | ;; FIXME: Default disposition of the multipart entities should | |
412 | ;; be inherited. | |
413 | (setq content-type | |
414 | (mail-fetch-field "Content-Type") | |
415 | content-transfer-encoding | |
416 | (mail-fetch-field "Content-Transfer-Encoding") | |
417 | content-disposition | |
418 | (mail-fetch-field "Content-Disposition"))))) | |
0c9ff2c5 GM |
419 | ;; Per RFC 2045, C-T-E is case insensitive (bug#5070), but the others |
420 | ;; are not completely so. Hopefully mail-header-parse-* DTRT. | |
421 | (if content-transfer-encoding | |
422 | (setq content-transfer-encoding (downcase content-transfer-encoding))) | |
423 | (setq content-type | |
424 | (if content-type | |
425 | (mail-header-parse-content-type content-type) | |
426 | ;; FIXME: Default "message/rfc822" in a "multipart/digest" | |
427 | ;; according to RFC 2046. | |
428 | '("text/plain"))) | |
537ab246 BG |
429 | (setq content-disposition |
430 | (if content-disposition | |
431 | (mail-header-parse-content-disposition content-disposition) | |
432 | ;; If none specified, we are free to choose what we deem | |
433 | ;; suitable according to RFC 2183. We like inline. | |
434 | '("inline"))) | |
435 | ;; Unrecognized disposition types are to be treated like | |
436 | ;; attachment according to RFC 2183. | |
437 | (unless (member (car content-disposition) '("inline" "attachment")) | |
438 | (setq content-disposition '("attachment"))) | |
439 | ;; Hide headers and handle the part. | |
440 | (save-restriction | |
441 | (cond ((string= (car content-type) "message/rfc822") | |
442 | (narrow-to-region end (point-max))) | |
443 | ((not show-headers) | |
444 | (delete-region (point-min) end))) | |
445 | (rmail-mime-handle content-type content-disposition | |
446 | content-transfer-encoding)))) | |
447 | ||
2e9075d3 GM |
448 | (define-derived-mode rmail-mime-mode fundamental-mode "RMIME" |
449 | "Major mode used in `rmail-mime' buffers." | |
450 | (setq font-lock-defaults '(rmail-font-lock-keywords t t nil nil))) | |
451 | ||
73422054 | 452 | ;;;###autoload |
537ab246 | 453 | (defun rmail-mime () |
f4ce6150 GM |
454 | "Process the current Rmail message as a MIME message. |
455 | This creates a temporary \"*RMAIL*\" buffer holding a decoded | |
2e9075d3 | 456 | copy of the message. Inline content-types are handled according to |
f4ce6150 GM |
457 | `rmail-mime-media-type-handlers-alist'. By default, this |
458 | displays text and multipart messages, and offers to download | |
459 | attachments as specfied by `rmail-mime-attachment-dirs-alist'." | |
537ab246 | 460 | (interactive) |
f4ce6150 | 461 | (let ((data (rmail-apply-in-message rmail-current-message 'buffer-string)) |
537ab246 BG |
462 | (buf (get-buffer-create "*RMAIL*"))) |
463 | (set-buffer buf) | |
f4ce6150 | 464 | (setq buffer-undo-list t) |
537ab246 | 465 | (let ((inhibit-read-only t)) |
d73a0317 GM |
466 | ;; Decoding the message in fundamental mode for speed, only |
467 | ;; switching to rmail-mime-mode at the end for display. Eg | |
468 | ;; quoted-printable-decode-region gets very slow otherwise (Bug#4993). | |
469 | (fundamental-mode) | |
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470 | (erase-buffer) |
471 | (insert data) | |
f4ce6150 | 472 | (rmail-mime-show t) |
d73a0317 | 473 | (rmail-mime-mode) |
f4ce6150 | 474 | (set-buffer-modified-p nil)) |
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475 | (view-buffer buf))) |
476 | ||
477 | (defun rmail-mm-get-boundary-error-message (message type disposition encoding) | |
478 | "Return MESSAGE with more information on the main mime components." | |
479 | (error "%s; type: %s; disposition: %s; encoding: %s" | |
480 | message type disposition encoding)) | |
481 | ||
482 | (provide 'rmailmm) | |
483 | ||
35426db4 GM |
484 | ;; Local Variables: |
485 | ;; generated-autoload-file: "rmail.el" | |
486 | ;; End: | |
487 | ||
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488 | ;; arch-tag: 3f2c5e5d-1aef-4512-bc20-fd737c9d5dd9 |
489 | ;;; rmailmm.el ends here |