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48919e0f | 1 | ;;; mailalias.el --- expand and complete mailing address aliases |
6594deb0 | 2 | |
e694581d | 3 | ;; Copyright (C) 1985, 1987, 1995, 1996, 1997 Free Software Foundation, Inc. |
3a801d0c | 4 | |
e5167999 | 5 | ;; Maintainer: FSF |
fd7fa35a | 6 | ;; Keywords: mail |
e5167999 | 7 | |
80a677d9 JA |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
80a677d9 JA |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
80a677d9 | 24 | |
e41b2db1 ER |
25 | ;;; Commentary: |
26 | ||
27 | ;; Basic functions for defining and expanding mail aliases. | |
28 | ;; These seal off the interface to the alias-definition parts of a | |
29 | ;; .mailrc file formatted for BSD's Mail or USL's mailx. | |
30 | ||
e5167999 | 31 | ;;; Code: |
80a677d9 | 32 | |
594906dd | 33 | (require 'sendmail) |
c2db7f31 | 34 | |
31407d5d RS |
35 | (defgroup mailalias nil |
36 | "Expanding mail aliases" | |
37 | :group 'mail) | |
48919e0f | 38 | |
31407d5d RS |
39 | (defcustom mail-passwd-files '("/etc/passwd") |
40 | "*List of files from which to determine valid user names." | |
41 | :type '(repeat string) | |
42 | :group 'mailalias) | |
8e3beae0 | 43 | |
31407d5d RS |
44 | (defcustom mail-passwd-command nil |
45 | "*Shell command to retrieve text to add to `/etc/passwd', or nil." | |
46 | :type '(choice string (const nil)) | |
47 | :group 'mailalias) | |
8e3beae0 | 48 | |
48919e0f RS |
49 | (defvar mail-directory-names t |
50 | "Alist of mail address directory entries. | |
51 | When t this still needs to be initialized.") | |
52 | ||
53 | (defvar mail-address-field-regexp | |
54 | "^\\(Resent-\\)?\\(To\\|From\\|CC\\|BCC\\|Reply-to\\):") | |
55 | ||
31407d5d | 56 | (defcustom mail-complete-alist |
5695bf0c RS |
57 | ;; Don't use backquote here; we don't want backquote to get loaded |
58 | ;; just because of loading this file. | |
310d0d40 RS |
59 | ;; Don't refer to mail-address-field-regexp here; |
60 | ;; that confuses some things such as cus-dep.el. | |
61 | (cons '("^\\(Resent-\\)?\\(To\\|From\\|CC\\|BCC\\|Reply-to\\):" | |
62 | . (mail-get-names pattern)) | |
5695bf0c RS |
63 | '(("Newsgroups:" . (if (boundp 'gnus-active-hashtb) |
64 | gnus-active-hashtb | |
65 | (if (boundp news-group-article-assoc) | |
66 | news-group-article-assoc))) | |
67 | ("Followup-To:" . (mail-sentto-newsgroups)) | |
68 | ;;("Distribution:" ???) | |
69 | )) | |
31407d5d RS |
70 | "*Alist of header field and expression to return alist for completion. |
71 | The expression may reference the variable `pattern' | |
72 | which will hold the string being completed. | |
73 | If not on matching header, `mail-complete-function' gets called instead." | |
bd09e573 | 74 | :type 'alist |
31407d5d RS |
75 | :group 'mailalias) |
76 | (put 'mail-complete-alist 'risky-local-variable t) | |
48919e0f | 77 | |
e694581d | 78 | ;;;###autoload |
31407d5d | 79 | (defcustom mail-complete-style 'angles |
e694581d RS |
80 | "*Specifies how \\[mail-complete] formats the full name when it completes. |
81 | If `nil', they contain just the return address like: | |
82 | king@grassland.com | |
83 | If `parens', they look like: | |
84 | king@grassland.com (Elvis Parsley) | |
85 | If `angles', they look like: | |
31407d5d RS |
86 | Elvis Parsley <king@grassland.com>" |
87 | :type '(choice (const angles) (const parens) (const nil)) | |
88 | :group 'mailalias) | |
48919e0f | 89 | |
31407d5d RS |
90 | (defcustom mail-complete-function 'ispell-complete-word |
91 | "*Function to call when completing outside `mail-complete-alist'-header." | |
92 | :type '(choice function (const nil)) | |
93 | :group 'mailalias) | |
48919e0f | 94 | |
31407d5d | 95 | (defcustom mail-directory-function nil |
25345117 | 96 | "*Function to get completions from directory service or nil for none. |
31407d5d RS |
97 | See `mail-directory-requery'." |
98 | :type '(choice function (const nil)) | |
99 | :group 'mailalias) | |
48919e0f RS |
100 | |
101 | ;; This is for when the directory is huge, or changes frequently. | |
31407d5d | 102 | (defcustom mail-directory-requery nil |
25345117 | 103 | "*When non-nil call `mail-directory-function' for each completion. |
48919e0f | 104 | In that case, one argument gets passed to the function, the partial string |
31407d5d RS |
105 | entered so far." |
106 | :type 'boolean | |
107 | :group 'mailalias) | |
48919e0f | 108 | |
31407d5d RS |
109 | (defcustom mail-directory-process nil |
110 | "*Shell command to get the list of names from a mail directory. | |
111 | This value is used when the value of `mail-directory-function' | |
112 | is `mail-directory-process'. The value should be a list | |
113 | of the form (COMMAND ARG ...), where each of the list elements | |
f6250436 RS |
114 | is evaluated. COMMAND should evaluate to a string. When |
115 | `mail-directory-requery' is non-nil, during evaluation of these | |
116 | elements, the variable `pattern' contains the partial input being | |
117 | completed. `pattern' is nil when `mail-directory-requery' is nil. | |
48919e0f | 118 | |
31407d5d | 119 | The value might look like this: |
48919e0f RS |
120 | |
121 | '(remote-shell-program \"HOST\" \"-nl\" \"USER\" \"COMMAND\") | |
122 | ||
31407d5d | 123 | or like this: |
48919e0f | 124 | |
31407d5d RS |
125 | '(remote-shell-program \"HOST\" \"-n\" \"COMMAND '^\" pattern \"'\")" |
126 | :type 'sexp | |
127 | :group 'mailalias) | |
128 | (put 'mail-directory-process 'risky-local-variable t) | |
48919e0f | 129 | |
31407d5d RS |
130 | (defcustom mail-directory-stream nil |
131 | "*List of (HOST SERVICE) for stream connection to mail directory." | |
132 | :type 'sexp | |
133 | :group 'mailalias) | |
134 | (put 'mail-directory-stream 'risky-local-variable t) | |
48919e0f | 135 | |
31407d5d RS |
136 | (defcustom mail-directory-parser nil |
137 | "*How to interpret the output of `mail-directory-function'. | |
48919e0f RS |
138 | Three types of values are possible: |
139 | ||
140 | - nil means to gather each line as one name | |
141 | - regexp means first \\(grouping\\) in successive matches is name | |
31407d5d | 142 | - function called at beginning of buffer that returns an alist of names" |
94955307 | 143 | :type '(choice (const nil) regexp function) |
31407d5d RS |
144 | :group 'mailalias) |
145 | (put 'mail-directory-parser 'risky-local-variable t) | |
48919e0f | 146 | |
31407d5d RS |
147 | ;; Internal variables. |
148 | ||
149 | (defvar mail-names t | |
150 | "Alist of local users, aliases and directory entries as available. | |
151 | Elements have the form (MAILNAME) or (MAILNAME . FULLNAME). | |
152 | If the value means t, it means the real value should be calculated | |
f6250436 | 153 | for the next use. This is used in `mail-complete'.") |
31407d5d RS |
154 | |
155 | (defvar mail-local-names t | |
156 | "Alist of local users. | |
157 | When t this still needs to be initialized.") | |
158 | \f | |
48919e0f | 159 | |
80a677d9 JA |
160 | ;; Called from sendmail-send-it, or similar functions, |
161 | ;; only if some mail aliases are defined. | |
e28449ed | 162 | ;;;###autoload |
80a677d9 JA |
163 | (defun expand-mail-aliases (beg end &optional exclude) |
164 | "Expand all mail aliases in suitable header fields found between BEG and END. | |
30eaaa34 | 165 | If interactive, expand in header fields. |
1abe8488 KH |
166 | Suitable header fields are `To', `From', `CC' and `BCC', `Reply-to', and |
167 | their `Resent-' variants. | |
168 | ||
96846422 RS |
169 | Optional second arg EXCLUDE may be a regular expression defining text to be |
170 | removed from alias expansions." | |
e28449ed SM |
171 | (interactive |
172 | (save-excursion | |
173 | (list (goto-char (point-min)) | |
30eaaa34 | 174 | (mail-header-end)))) |
e934d700 | 175 | (sendmail-sync-aliases) |
e28449ed SM |
176 | (when (eq mail-aliases t) |
177 | (setq mail-aliases nil) | |
178 | (build-mail-aliases)) | |
179 | (save-excursion | |
180 | (goto-char beg) | |
181 | (setq end (set-marker (make-marker) end)) | |
182 | (let ((case-fold-search nil)) | |
183 | (while (let ((case-fold-search t)) | |
184 | (re-search-forward mail-address-field-regexp end t)) | |
185 | (skip-chars-forward " \t") | |
186 | (let ((beg1 (point)) | |
187 | end1 pos epos seplen | |
188 | ;; DISABLED-ALIASES records aliases temporarily disabled | |
189 | ;; while we scan text that resulted from expanding those aliases. | |
190 | ;; Each element is (ALIAS . TILL-WHEN), where TILL-WHEN | |
191 | ;; is where to reenable the alias (expressed as number of chars | |
192 | ;; counting from END1). | |
193 | (disabled-aliases nil)) | |
194 | (re-search-forward "^[^ \t]" end 'move) | |
195 | (beginning-of-line) | |
196 | (skip-chars-backward " \t\n") | |
197 | (setq end1 (point-marker)) | |
198 | (goto-char beg1) | |
199 | (while (< (point) end1) | |
200 | (setq pos (point)) | |
201 | ;; Reenable any aliases which were disabled for ranges | |
202 | ;; that we have passed out of. | |
203 | (while (and disabled-aliases | |
204 | (> pos (- end1 (cdr (car disabled-aliases))))) | |
205 | (setq disabled-aliases (cdr disabled-aliases))) | |
206 | ;; EPOS gets position of end of next name; | |
207 | ;; SEPLEN gets length of whitespace&separator that follows it. | |
208 | (if (re-search-forward "[ \t]*[\n,][ \t]*" end1 t) | |
209 | (setq epos (match-beginning 0) | |
210 | seplen (- (point) epos)) | |
211 | (setq epos (marker-position end1) seplen 0)) | |
212 | (let ((string (buffer-substring-no-properties pos epos)) | |
213 | translation) | |
214 | (if (and (not (assoc string disabled-aliases)) | |
215 | (setq translation (cdr (assoc string mail-aliases)))) | |
216 | (progn | |
217 | ;; This name is an alias. Disable it. | |
218 | (setq disabled-aliases (cons (cons string (- end1 epos)) | |
219 | disabled-aliases)) | |
220 | ;; Replace the alias with its expansion | |
221 | ;; then rescan the expansion for more aliases. | |
222 | (goto-char pos) | |
223 | (insert translation) | |
224 | (when exclude | |
225 | (let ((regexp (concat "\\b\\(" exclude "\\)\\b")) | |
80a677d9 JA |
226 | (end (point-marker))) |
227 | (goto-char pos) | |
228 | (while (re-search-forward regexp end t) | |
229 | (replace-match "")) | |
230 | (goto-char end))) | |
e28449ed SM |
231 | (delete-region (point) (+ (point) (- epos pos))) |
232 | (goto-char pos)) | |
233 | ;; Name is not an alias. Skip to start of next name. | |
234 | (goto-char epos) | |
235 | (forward-char seplen)))) | |
236 | (set-marker end1 nil))) | |
237 | (set-marker end nil)))) | |
80a677d9 | 238 | |
9d73ab0d NF |
239 | ;; Called by mail-setup, or similar functions, only if the file specified |
240 | ;; by mail-personal-alias-file (usually `~/.mailrc') exists. | |
80a677d9 | 241 | (defun build-mail-aliases (&optional file) |
9d73ab0d NF |
242 | "Read mail aliases from personal aliases file and set `mail-aliases'. |
243 | By default, this is the file specified by `mail-personal-alias-file'." | |
244 | (setq file (expand-file-name (or file mail-personal-alias-file))) | |
3c3d71d9 RS |
245 | ;; In case mail-aliases is t, make sure define-mail-alias |
246 | ;; does not recursively call build-mail-aliases. | |
247 | (setq mail-aliases nil) | |
80a677d9 JA |
248 | (let ((buffer nil) |
249 | (obuf (current-buffer))) | |
250 | (unwind-protect | |
251 | (progn | |
48919e0f | 252 | (setq buffer (generate-new-buffer " mailrc")) |
80a677d9 | 253 | (set-buffer buffer) |
3c55fda0 RS |
254 | (while file |
255 | (cond ((get-file-buffer file) | |
256 | (insert (save-excursion | |
257 | (set-buffer (get-file-buffer file)) | |
599d82c8 RS |
258 | (buffer-substring-no-properties |
259 | (point-min) (point-max))))) | |
3c55fda0 RS |
260 | ((file-exists-p file) (insert-file-contents file)) |
261 | ((file-exists-p (setq file (concat "~/" file))) | |
262 | (insert-file-contents file)) | |
263 | (t (setq file nil))) | |
264 | ;; Don't lose if no final newline. | |
265 | (goto-char (point-max)) | |
266 | (or (eq (preceding-char) ?\n) (newline)) | |
267 | (goto-char (point-min)) | |
268 | ;; handle "\\\n" continuation lines | |
269 | (while (not (eobp)) | |
270 | (end-of-line) | |
271 | (if (= (preceding-char) ?\\) | |
272 | (progn (delete-char -1) (delete-char 1) (insert ?\ )) | |
80a677d9 | 273 | (forward-char 1))) |
3c55fda0 RS |
274 | (goto-char (point-min)) |
275 | ;; handle `source' directives -- Eddy/1994/May/25 | |
276 | (cond ((re-search-forward "^source[ \t]+" nil t) | |
277 | (re-search-forward "\\S-+") | |
599d82c8 RS |
278 | (setq file (buffer-substring-no-properties |
279 | (match-beginning 0) (match-end 0))) | |
3c55fda0 RS |
280 | (beginning-of-line) |
281 | (insert "# ") ; to ensure we don't re-process this file | |
282 | (beginning-of-line)) | |
283 | (t (setq file nil)))) | |
80a677d9 | 284 | (goto-char (point-min)) |
d9817d8c | 285 | (while (re-search-forward |
c051dfe5 | 286 | "^\\(a\\|alias\\|g\\|group\\)[ \t]+\\([^ \t\n]+\\)" nil t) |
d9817d8c | 287 | (let* ((name (match-string 2)) |
c051dfe5 KH |
288 | (start (progn (skip-chars-forward " \t") (point))) |
289 | value) | |
80a677d9 | 290 | (end-of-line) |
c051dfe5 KH |
291 | (setq value (buffer-substring-no-properties start (point))) |
292 | (unless (equal value "") | |
293 | (define-mail-alias name value t)))) | |
80a677d9 JA |
294 | mail-aliases) |
295 | (if buffer (kill-buffer buffer)) | |
296 | (set-buffer obuf)))) | |
297 | ||
298 | ;; Always autoloadable in case the user wants to define aliases | |
299 | ;; interactively or in .emacs. | |
7229064d | 300 | ;;;###autoload |
37e379dd | 301 | (defun define-mail-alias (name definition &optional from-mailrc-file) |
96846422 | 302 | "Define NAME as a mail alias that translates to DEFINITION. |
80a677d9 | 303 | This means that sending a message to NAME will actually send to DEFINITION. |
fa786521 RS |
304 | |
305 | Normally, the addresses in DEFINITION must be separated by commas. | |
a1506d29 | 306 | If FROM-MAILRC-FILE is non-nil, then addresses in DEFINITION |
fa786521 RS |
307 | can be separated by spaces; an address can contain spaces |
308 | if it is quoted with double-quotes." | |
309 | ||
80a677d9 JA |
310 | (interactive "sDefine mail alias: \nsDefine %s as mail alias for: ") |
311 | ;; Read the defaults first, if we have not done so. | |
3c3d71d9 RS |
312 | ;; But not if we are doing that already right now. |
313 | (unless from-mailrc-file | |
314 | (sendmail-sync-aliases)) | |
80a677d9 JA |
315 | (if (eq mail-aliases t) |
316 | (progn | |
317 | (setq mail-aliases nil) | |
9d73ab0d | 318 | (if (file-exists-p mail-personal-alias-file) |
80a677d9 | 319 | (build-mail-aliases)))) |
3af1a1f3 RS |
320 | ;; strip garbage from front and end |
321 | (if (string-match "\\`[ \t\n,]+" definition) | |
aa228418 | 322 | (setq definition (substring definition (match-end 0)))) |
3af1a1f3 | 323 | (if (string-match "[ \t\n,]+\\'" definition) |
aa228418 | 324 | (setq definition (substring definition 0 (match-beginning 0)))) |
37e379dd | 325 | (let ((result '()) |
cc4b6c02 RS |
326 | ;; If DEFINITION is null string, avoid looping even once. |
327 | (start (and (not (equal definition "")) 0)) | |
37e379dd | 328 | (L (length definition)) |
255359cb | 329 | convert-backslash |
37e379dd RS |
330 | end tem) |
331 | (while start | |
255359cb | 332 | (setq convert-backslash nil) |
37e379dd RS |
333 | ;; If we're reading from the mailrc file, then addresses are delimited |
334 | ;; by spaces, and addresses with embedded spaces must be surrounded by | |
335 | ;; double-quotes. Otherwise, addresses are separated by commas. | |
336 | (if from-mailrc-file | |
337 | (if (eq ?\" (aref definition start)) | |
8332fa80 RS |
338 | ;; The following test on `found' compensates for a bug |
339 | ;; in match-end, which does not return nil when match | |
340 | ;; failed. | |
341 | (let ((found (string-match "[^\\]\\(\\([\\][\\]\\)*\\)\"[ \t,]*" | |
342 | definition start))) | |
343 | (setq start (1+ start) | |
344 | end (and found (match-end 1)) | |
345 | convert-backslash t)) | |
cc4b6c02 RS |
346 | (setq end (string-match "[ \t,]+" definition start))) |
347 | (setq end (string-match "[ \t\n,]*,[ \t\n,]*" definition start))) | |
255359cb RS |
348 | (let ((temp (substring definition start end)) |
349 | (pos 0)) | |
350 | (setq start (and end | |
351 | (/= (match-end 0) L) | |
352 | (match-end 0))) | |
353 | (if convert-backslash | |
354 | (while (string-match "[\\]" temp pos) | |
355 | (setq temp (replace-match "" t t temp)) | |
a1506d29 | 356 | (if start |
255359cb RS |
357 | (setq start (1- start))) |
358 | (setq pos (match-end 0)))) | |
359 | (setq result (cons temp result)))) | |
37e379dd RS |
360 | (setq definition (mapconcat (function identity) |
361 | (nreverse result) | |
362 | ", ")) | |
80a677d9 JA |
363 | (setq tem (assoc name mail-aliases)) |
364 | (if tem | |
365 | (rplacd tem definition) | |
48919e0f RS |
366 | (setq mail-aliases (cons (cons name definition) mail-aliases) |
367 | mail-names t)))) | |
368 | ||
c0fd4267 | 369 | ;;;###autoload |
48919e0f RS |
370 | (defun mail-complete (arg) |
371 | "Perform completion on header field or word preceding point. | |
372 | Completable headers are according to `mail-complete-alist'. If none matches | |
373 | current header, calls `mail-complete-function' and passes prefix arg if any." | |
374 | (interactive "P") | |
9a03a6f4 SM |
375 | ;; Read the defaults first, if we have not done so. |
376 | (sendmail-sync-aliases) | |
377 | (if (eq mail-aliases t) | |
378 | (progn | |
379 | (setq mail-aliases nil) | |
380 | (if (file-exists-p mail-personal-alias-file) | |
381 | (build-mail-aliases)))) | |
48919e0f | 382 | (let ((list mail-complete-alist)) |
baaddce7 | 383 | (if (and (< 0 (mail-header-end)) |
48919e0f RS |
384 | (save-excursion |
385 | (if (re-search-backward "^[^\t]" nil t) | |
386 | (while list | |
387 | (if (looking-at (car (car list))) | |
388 | (setq arg (cdr (car list)) | |
389 | list ()) | |
390 | (setq list (cdr list))))) | |
391 | arg)) | |
392 | (let* ((end (point)) | |
393 | (beg (save-excursion | |
394 | (skip-chars-backward "^ \t<,:") | |
395 | (point))) | |
396 | (pattern (buffer-substring beg end)) | |
397 | completion) | |
398 | (setq list (eval arg) | |
399 | completion (try-completion pattern list)) | |
400 | (cond ((eq completion t)) | |
401 | ((null completion) | |
402 | (message "Can't find completion for \"%s\"" pattern) | |
403 | (ding)) | |
404 | ((not (string= pattern completion)) | |
405 | (delete-region beg end) | |
e694581d RS |
406 | (let ((alist-elt (assoc completion mail-names))) |
407 | (if (cdr alist-elt) | |
408 | (cond ((eq mail-complete-style 'parens) | |
409 | (insert completion " (" (cdr alist-elt) ")")) | |
410 | ((eq mail-complete-style 'angles) | |
411 | (insert (cdr alist-elt) " <" completion ">")) | |
412 | (t | |
413 | (insert completion))) | |
414 | (insert completion)))) | |
48919e0f RS |
415 | (t |
416 | (message "Making completion list...") | |
417 | (with-output-to-temp-buffer "*Completions*" | |
418 | (display-completion-list | |
419 | (all-completions pattern list))) | |
420 | (message "Making completion list...%s" "done")))) | |
421 | (funcall mail-complete-function arg)))) | |
422 | ||
423 | (defun mail-get-names (pattern) | |
e694581d | 424 | "Fetch local users and global mail addresses for completion. |
48919e0f | 425 | Consults `/etc/passwd' and a directory service if one is set up via |
e694581d RS |
426 | `mail-directory-function'. |
427 | PATTERN is the string we want to complete." | |
48919e0f RS |
428 | (if (eq mail-local-names t) |
429 | (save-excursion | |
430 | (set-buffer (generate-new-buffer " passwd")) | |
8e3beae0 RS |
431 | (let ((files mail-passwd-files)) |
432 | (while files | |
433 | (insert-file-contents (car files) nil nil nil t) | |
434 | (setq files (cdr files)))) | |
435 | (if mail-passwd-command | |
436 | (call-process shell-file-name nil t nil | |
437 | shell-command-switch mail-passwd-command)) | |
637502c3 | 438 | (goto-char (point-min)) |
8e3beae0 | 439 | (setq mail-local-names nil) |
48919e0f | 440 | (while (not (eobp)) |
8bc49f8f RS |
441 | ;;Recognize lines like |
442 | ;; nobody:*:65534:65534::/: | |
443 | ;; +demo::::::/bin/csh | |
444 | ;; +ethanb | |
445 | ;;while skipping | |
446 | ;; +@SOFTWARE | |
e694581d RS |
447 | ;; The second \(...\) matches the user id. |
448 | (if (looking-at "\\+?\\([^:@\n+]+\\):[^:\n]*:\\([^\n:]*\\):") | |
449 | (add-to-list 'mail-local-names | |
450 | (cons (match-string 1) | |
451 | (user-full-name | |
027a4b6b | 452 | (string-to-number (match-string 2)))))) |
48919e0f RS |
453 | (beginning-of-line 2)) |
454 | (kill-buffer (current-buffer)))) | |
455 | (if (or (eq mail-names t) | |
e694581d | 456 | (eq mail-directory-names t)) |
48919e0f RS |
457 | (let (directory) |
458 | (and mail-directory-function | |
459 | (eq mail-directory-names t) | |
460 | (setq directory | |
461 | (mail-directory (if mail-directory-requery pattern)))) | |
e694581d RS |
462 | (or mail-directory-requery |
463 | (setq mail-directory-names directory)) | |
48919e0f RS |
464 | (if (or directory |
465 | (eq mail-names t)) | |
466 | (setq mail-names | |
e694581d RS |
467 | (sort (append (if (consp mail-aliases) |
468 | (mapcar | |
469 | (function (lambda (a) (list (car a)))) | |
470 | mail-aliases)) | |
48919e0f RS |
471 | (if (consp mail-local-names) |
472 | mail-local-names) | |
f6250436 RS |
473 | (or directory |
474 | (when (consp mail-directory-names) | |
475 | mail-directory-names))) | |
48919e0f RS |
476 | (lambda (a b) |
477 | ;; should cache downcased strings | |
478 | (string< (downcase (car a)) | |
e694581d | 479 | (downcase (car b))))))))) |
48919e0f RS |
480 | mail-names) |
481 | ||
482 | ||
483 | (defun mail-directory (pattern) | |
f6250436 RS |
484 | "Use mail-directory facility to get user names matching PATTERN. |
485 | If PATTERN is nil, get all the defined user names. | |
486 | This function calls `mail-directory-function' to query the directory, | |
487 | then uses `mail-directory-parser' to parse the output it returns." | |
48919e0f RS |
488 | (save-excursion |
489 | (message "Querying directory...") | |
490 | (set-buffer (generate-new-buffer " *mail-directory*")) | |
491 | (funcall mail-directory-function pattern) | |
492 | (goto-char 1) | |
493 | (let (directory) | |
494 | (if (stringp mail-directory-parser) | |
495 | (while (re-search-forward mail-directory-parser nil t) | |
496 | (setq directory | |
e694581d | 497 | (cons (match-string 1) directory))) |
48919e0f RS |
498 | (if mail-directory-parser |
499 | (setq directory (funcall mail-directory-parser)) | |
500 | (while (not (eobp)) | |
501 | (setq directory | |
e694581d RS |
502 | (cons (buffer-substring (point) |
503 | (progn | |
504 | (forward-line) | |
505 | (if (bolp) | |
506 | (1- (point)) | |
507 | (point)))) | |
508 | directory))))) | |
48919e0f RS |
509 | (kill-buffer (current-buffer)) |
510 | (message "Querying directory...done") | |
511 | directory))) | |
512 | ||
513 | ||
514 | (defun mail-directory-process (pattern) | |
31407d5d | 515 | "Run a shell command to output names in directory. |
48919e0f | 516 | See `mail-directory-process'." |
f6250436 RS |
517 | (when (consp mail-directory-process) |
518 | (apply 'call-process (eval (car mail-directory-process)) nil t nil | |
519 | (mapcar 'eval (cdr mail-directory-process))))) | |
48919e0f RS |
520 | |
521 | ;; This should handle a dialog. Currently expects port to spit out names. | |
522 | (defun mail-directory-stream (pattern) | |
523 | "Open a stream to retrieve names in directory. | |
524 | See `mail-directory-stream'." | |
525 | (let (mailalias-done) | |
526 | (set-process-sentinel | |
527 | (apply 'open-network-stream "mailalias" (current-buffer) | |
528 | mail-directory-stream) | |
906f211e | 529 | (lambda (x y) |
48919e0f RS |
530 | (setq mailalias-done t))) |
531 | (while (not mailalias-done) | |
532 | (sit-for .1)))) | |
533 | ||
534 | (defun mail-sentto-newsgroups () | |
535 | "Return all entries from Newsgroups: header as completion alist." | |
536 | (save-excursion | |
537 | (if (mail-position-on-field "newsgroups" t) | |
538 | (let ((point (point)) | |
539 | list) | |
540 | (while (< (skip-chars-backward "^:, \t\n") 0) | |
541 | (setq list `((,(buffer-substring (point) point)) | |
542 | ,@list)) | |
543 | (skip-chars-backward ", \t\n") | |
544 | (setq point (point))) | |
545 | list)))) | |
6594deb0 | 546 | |
e8a57935 JB |
547 | (provide 'mailalias) |
548 | ||
ab5796a9 | 549 | ;;; arch-tag: 1d6a0f87-eb34-4d45-8816-60c1b952cf46 |
6594deb0 | 550 | ;;; mailalias.el ends here |