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eec82323 | 1 | ;;; gnus-util.el --- utility functions for Gnus |
e84b4b86 | 2 | |
88e6695f | 3 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
ae940284 | 4 | ;; 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
7 | ;; Keywords: news |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
5e809f55 | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
eec82323 | 12 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
eec82323 LMI |
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 | |
5e809f55 | 18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
eec82323 LMI |
19 | ;; GNU General Public License for more details. |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
eec82323 LMI |
23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;; Nothing in this file depends on any other parts of Gnus -- all | |
27 | ;; functions and macros in this file are utility functions that are | |
28 | ;; used by Gnus and may be used by any other package without loading | |
29 | ;; Gnus first. | |
30 | ||
23f87bed | 31 | ;; [Unfortunately, it does depend on other parts of Gnus, e.g. the |
01c52d31 | 32 | ;; autoloads and defvars below...] |
23f87bed | 33 | |
eec82323 LMI |
34 | ;;; Code: |
35 | ||
88bfa2e4 GM |
36 | ;; For Emacs < 22.2. |
37 | (eval-and-compile | |
38 | (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) | |
5eee36fa | 39 | (eval-when-compile |
9efa445f DN |
40 | (require 'cl)) |
41 | ;; Fixme: this should be a gnus variable, not nnmail-. | |
42 | (defvar nnmail-pathname-coding-system) | |
43 | (defvar nnmail-active-file-coding-system) | |
44 | ||
45 | ;; Inappropriate references to other parts of Gnus. | |
46 | (defvar gnus-emphasize-whitespace-regexp) | |
47 | (defvar gnus-original-article-buffer) | |
48 | (defvar gnus-user-agent) | |
49 | ||
16409b0b | 50 | (require 'time-date) |
23f87bed | 51 | (require 'netrc) |
eec82323 | 52 | |
dbb6c370 GM |
53 | (autoload 'message-fetch-field "message") |
54 | (autoload 'gnus-get-buffer-window "gnus-win") | |
dbb6c370 GM |
55 | (autoload 'nnheader-narrow-to-headers "nnheader") |
56 | (autoload 'nnheader-replace-chars-in-string "nnheader") | |
09aece0b | 57 | (autoload 'mail-header-remove-comments "mail-parse") |
23f87bed MB |
58 | |
59 | (eval-and-compile | |
60 | (cond | |
f67d6742 | 61 | ;; Prefer `replace-regexp-in-string' (present in Emacs, XEmacs 21.5, |
4b4f6dc8 | 62 | ;; SXEmacs 22.1.4) over `replace-in-string'. The latter leads to inf-loops |
f67d6742 MB |
63 | ;; on empty matches: |
64 | ;; (replace-in-string "foo" "/*$" "/") | |
65 | ;; (replace-in-string "xe" "\\(x\\)?" "") | |
23f87bed | 66 | ((fboundp 'replace-regexp-in-string) |
01c52d31 | 67 | (defun gnus-replace-in-string (string regexp newtext &optional literal) |
ad136a7c MB |
68 | "Replace all matches for REGEXP with NEWTEXT in STRING. |
69 | If LITERAL is non-nil, insert NEWTEXT literally. Return a new | |
70 | string containing the replacements. | |
71 | ||
72 | This is a compatibility function for different Emacsen." | |
23f87bed | 73 | (replace-regexp-in-string regexp newtext string nil literal))) |
f67d6742 | 74 | ((fboundp 'replace-in-string) |
01c52d31 | 75 | (defalias 'gnus-replace-in-string 'replace-in-string)))) |
eec82323 LMI |
76 | |
77 | (defun gnus-boundp (variable) | |
78 | "Return non-nil if VARIABLE is bound and non-nil." | |
79 | (and (boundp variable) | |
80 | (symbol-value variable))) | |
81 | ||
82 | (defmacro gnus-eval-in-buffer-window (buffer &rest forms) | |
83 | "Pop to BUFFER, evaluate FORMS, and then return to the original window." | |
84 | (let ((tempvar (make-symbol "GnusStartBufferWindow")) | |
23f87bed MB |
85 | (w (make-symbol "w")) |
86 | (buf (make-symbol "buf"))) | |
eec82323 | 87 | `(let* ((,tempvar (selected-window)) |
23f87bed MB |
88 | (,buf ,buffer) |
89 | (,w (gnus-get-buffer-window ,buf 'visible))) | |
eec82323 | 90 | (unwind-protect |
23f87bed MB |
91 | (progn |
92 | (if ,w | |
93 | (progn | |
94 | (select-window ,w) | |
95 | (set-buffer (window-buffer ,w))) | |
96 | (pop-to-buffer ,buf)) | |
97 | ,@forms) | |
98 | (select-window ,tempvar))))) | |
eec82323 LMI |
99 | |
100 | (put 'gnus-eval-in-buffer-window 'lisp-indent-function 1) | |
101 | (put 'gnus-eval-in-buffer-window 'edebug-form-spec '(form body)) | |
102 | ||
103 | (defmacro gnus-intern-safe (string hashtable) | |
815b81c8 | 104 | "Get hash value. Arguments are STRING and HASHTABLE." |
eec82323 LMI |
105 | `(let ((symbol (intern ,string ,hashtable))) |
106 | (or (boundp symbol) | |
107 | (set symbol nil)) | |
108 | symbol)) | |
109 | ||
eec82323 LMI |
110 | (defsubst gnus-goto-char (point) |
111 | (and point (goto-char point))) | |
112 | ||
113 | (defmacro gnus-buffer-exists-p (buffer) | |
114 | `(let ((buffer ,buffer)) | |
115 | (when buffer | |
116 | (funcall (if (stringp buffer) 'get-buffer 'buffer-name) | |
117 | buffer)))) | |
118 | ||
23f87bed MB |
119 | ;; The LOCAL arg to `add-hook' is interpreted differently in Emacs and |
120 | ;; XEmacs. In Emacs we don't need to call `make-local-hook' first. | |
121 | ;; It's harmless, though, so the main purpose of this alias is to shut | |
122 | ;; up the byte compiler. | |
123 | (defalias 'gnus-make-local-hook | |
124 | (if (eq (get 'make-local-hook 'byte-compile) | |
125 | 'byte-compile-obsolete) | |
126 | 'ignore ; Emacs | |
127 | 'make-local-hook)) ; XEmacs | |
128 | ||
eec82323 LMI |
129 | (defun gnus-delete-first (elt list) |
130 | "Delete by side effect the first occurrence of ELT as a member of LIST." | |
131 | (if (equal (car list) elt) | |
132 | (cdr list) | |
133 | (let ((total list)) | |
134 | (while (and (cdr list) | |
135 | (not (equal (cadr list) elt))) | |
136 | (setq list (cdr list))) | |
137 | (when (cdr list) | |
138 | (setcdr list (cddr list))) | |
139 | total))) | |
140 | ||
141 | ;; Delete the current line (and the next N lines). | |
142 | (defmacro gnus-delete-line (&optional n) | |
01c52d31 | 143 | `(delete-region (point-at-bol) |
eec82323 LMI |
144 | (progn (forward-line ,(or n 1)) (point)))) |
145 | ||
146 | (defun gnus-byte-code (func) | |
147 | "Return a form that can be `eval'ed based on FUNC." | |
6748645f LMI |
148 | (let ((fval (indirect-function func))) |
149 | (if (byte-code-function-p fval) | |
eec82323 LMI |
150 | (let ((flist (append fval nil))) |
151 | (setcar flist 'byte-code) | |
152 | flist) | |
153 | (cons 'progn (cddr fval))))) | |
154 | ||
155 | (defun gnus-extract-address-components (from) | |
23f87bed MB |
156 | "Extract address components from a From header. |
157 | Given an RFC-822 address FROM, extract full name and canonical address. | |
158 | Returns a list of the form (FULL-NAME CANONICAL-ADDRESS). Much more simple | |
159 | solution than `mail-extract-address-components', which works much better, but | |
160 | is slower." | |
eec82323 LMI |
161 | (let (name address) |
162 | ;; First find the address - the thing with the @ in it. This may | |
163 | ;; not be accurate in mail addresses, but does the trick most of | |
164 | ;; the time in news messages. | |
4573e0df MB |
165 | (cond (;; Check ``<foo@bar>'' first in order to handle the quite common |
166 | ;; form ``"abc@xyz" <foo@bar>'' (i.e. ``@'' as part of a comment) | |
167 | ;; correctly. | |
168 | (string-match "<\\([^@ \t<>]+[!@][^@ \t<>]+\\)>" from) | |
169 | (setq address (substring from (match-beginning 1) (match-end 1)))) | |
170 | ((string-match "\\b[^@ \t<>]+[!@][^@ \t<>]+\\b" from) | |
171 | (setq address (substring from (match-beginning 0) (match-end 0))))) | |
eec82323 LMI |
172 | ;; Then we check whether the "name <address>" format is used. |
173 | (and address | |
eec82323 LMI |
174 | ;; Linear white space is not required. |
175 | (string-match (concat "[ \t]*<" (regexp-quote address) ">") from) | |
176 | (and (setq name (substring from 0 (match-beginning 0))) | |
177 | ;; Strip any quotes from the name. | |
23f87bed | 178 | (string-match "^\".*\"$" name) |
eec82323 LMI |
179 | (setq name (substring name 1 (1- (match-end 0)))))) |
180 | ;; If not, then "address (name)" is used. | |
181 | (or name | |
182 | (and (string-match "(.+)" from) | |
183 | (setq name (substring from (1+ (match-beginning 0)) | |
184 | (1- (match-end 0))))) | |
185 | (and (string-match "()" from) | |
186 | (setq name address)) | |
eec82323 LMI |
187 | ;; XOVER might not support folded From headers. |
188 | (and (string-match "(.*" from) | |
189 | (setq name (substring from (1+ (match-beginning 0)) | |
190 | (match-end 0))))) | |
16409b0b GM |
191 | (list (if (string= name "") nil name) (or address from)))) |
192 | ||
0ab5c2be MB |
193 | (defun gnus-extract-address-component-name (from) |
194 | "Extract name from a From header. | |
195 | Uses `gnus-extract-address-components'." | |
196 | (nth 0 (gnus-extract-address-components from))) | |
197 | ||
198 | (defun gnus-extract-address-component-email (from) | |
199 | "Extract e-mail address from a From header. | |
200 | Uses `gnus-extract-address-components'." | |
201 | (nth 1 (gnus-extract-address-components from))) | |
eec82323 LMI |
202 | |
203 | (defun gnus-fetch-field (field) | |
204 | "Return the value of the header FIELD of current article." | |
205 | (save-excursion | |
206 | (save-restriction | |
01c52d31 | 207 | (let ((inhibit-point-motion-hooks t)) |
eec82323 LMI |
208 | (nnheader-narrow-to-headers) |
209 | (message-fetch-field field))))) | |
210 | ||
23f87bed MB |
211 | (defun gnus-fetch-original-field (field) |
212 | "Fetch FIELD from the original version of the current article." | |
213 | (with-current-buffer gnus-original-article-buffer | |
214 | (gnus-fetch-field field))) | |
215 | ||
216 | ||
eec82323 LMI |
217 | (defun gnus-goto-colon () |
218 | (beginning-of-line) | |
01c52d31 | 219 | (let ((eol (point-at-eol))) |
23f87bed MB |
220 | (goto-char (or (text-property-any (point) eol 'gnus-position t) |
221 | (search-forward ":" eol t) | |
222 | (point))))) | |
223 | ||
5ec7fe1b GM |
224 | (declare-function gnus-find-method-for-group "gnus" (group &optional info)) |
225 | (autoload 'gnus-group-name-decode "gnus-group") | |
226 | (declare-function gnus-group-name-charset "gnus-group" (method group)) | |
227 | ;; gnus-group requires gnus-int which requires message. | |
228 | (declare-function message-tokenize-header "message" | |
229 | (header &optional separator)) | |
230 | ||
23f87bed MB |
231 | (defun gnus-decode-newsgroups (newsgroups group &optional method) |
232 | (let ((method (or method (gnus-find-method-for-group group)))) | |
233 | (mapconcat (lambda (group) | |
234 | (gnus-group-name-decode group (gnus-group-name-charset | |
235 | method group))) | |
236 | (message-tokenize-header newsgroups) | |
237 | ","))) | |
eec82323 LMI |
238 | |
239 | (defun gnus-remove-text-with-property (prop) | |
240 | "Delete all text in the current buffer with text property PROP." | |
01c52d31 MB |
241 | (let ((start (point-min)) |
242 | end) | |
243 | (unless (get-text-property start prop) | |
244 | (setq start (next-single-property-change start prop))) | |
245 | (while start | |
246 | (setq end (text-property-any start (point-max) prop nil)) | |
247 | (delete-region start (or end (point-max))) | |
248 | (setq start (when end | |
249 | (next-single-property-change start prop)))))) | |
eec82323 LMI |
250 | |
251 | (defun gnus-newsgroup-directory-form (newsgroup) | |
252 | "Make hierarchical directory name from NEWSGROUP name." | |
23f87bed MB |
253 | (let* ((newsgroup (gnus-newsgroup-savable-name newsgroup)) |
254 | (idx (string-match ":" newsgroup))) | |
255 | (concat | |
256 | (if idx (substring newsgroup 0 idx)) | |
257 | (if idx "/") | |
258 | (nnheader-replace-chars-in-string | |
259 | (if idx (substring newsgroup (1+ idx)) newsgroup) | |
260 | ?. ?/)))) | |
eec82323 LMI |
261 | |
262 | (defun gnus-newsgroup-savable-name (group) | |
263 | ;; Replace any slashes in a group name (eg. an ange-ftp nndoc group) | |
264 | ;; with dots. | |
265 | (nnheader-replace-chars-in-string group ?/ ?.)) | |
266 | ||
267 | (defun gnus-string> (s1 s2) | |
268 | (not (or (string< s1 s2) | |
269 | (string= s1 s2)))) | |
270 | ||
b4fde39f MB |
271 | (defun gnus-string< (s1 s2) |
272 | "Return t if first arg string is less than second in lexicographic order. | |
273 | Case is significant if and only if `case-fold-search' is nil. | |
274 | Symbols are also allowed; their print names are used instead." | |
275 | (if case-fold-search | |
276 | (string-lessp (downcase (if (symbolp s1) (symbol-name s1) s1)) | |
277 | (downcase (if (symbolp s2) (symbol-name s2) s2))) | |
278 | (string-lessp s1 s2))) | |
279 | ||
eec82323 LMI |
280 | ;;; Time functions. |
281 | ||
eec82323 LMI |
282 | (defun gnus-file-newer-than (file date) |
283 | (let ((fdate (nth 5 (file-attributes file)))) | |
284 | (or (> (car fdate) (car date)) | |
285 | (and (= (car fdate) (car date)) | |
286 | (> (nth 1 fdate) (nth 1 date)))))) | |
287 | ||
c506adde GM |
288 | (defun gnus-float-time (&optional time) |
289 | "Convert time value TIME to a floating point number. | |
290 | TIME defaults to the current time." | |
feefd9f3 | 291 | (if (featurep 'xemacs) |
c506adde | 292 | (time-to-seconds (or time (current-time))) |
feefd9f3 GM |
293 | (float-time time))) |
294 | ||
eec82323 LMI |
295 | ;;; Keymap macros. |
296 | ||
297 | (defmacro gnus-local-set-keys (&rest plist) | |
298 | "Set the keys in PLIST in the current keymap." | |
299 | `(gnus-define-keys-1 (current-local-map) ',plist)) | |
300 | ||
301 | (defmacro gnus-define-keys (keymap &rest plist) | |
302 | "Define all keys in PLIST in KEYMAP." | |
303 | `(gnus-define-keys-1 (quote ,keymap) (quote ,plist))) | |
304 | ||
305 | (defmacro gnus-define-keys-safe (keymap &rest plist) | |
306 | "Define all keys in PLIST in KEYMAP without overwriting previous definitions." | |
307 | `(gnus-define-keys-1 (quote ,keymap) (quote ,plist) t)) | |
308 | ||
309 | (put 'gnus-define-keys 'lisp-indent-function 1) | |
310 | (put 'gnus-define-keys-safe 'lisp-indent-function 1) | |
311 | (put 'gnus-local-set-keys 'lisp-indent-function 1) | |
312 | ||
313 | (defmacro gnus-define-keymap (keymap &rest plist) | |
314 | "Define all keys in PLIST in KEYMAP." | |
315 | `(gnus-define-keys-1 ,keymap (quote ,plist))) | |
316 | ||
317 | (put 'gnus-define-keymap 'lisp-indent-function 1) | |
318 | ||
319 | (defun gnus-define-keys-1 (keymap plist &optional safe) | |
320 | (when (null keymap) | |
321 | (error "Can't set keys in a null keymap")) | |
322 | (cond ((symbolp keymap) | |
323 | (setq keymap (symbol-value keymap))) | |
324 | ((keymapp keymap)) | |
325 | ((listp keymap) | |
326 | (set (car keymap) nil) | |
327 | (define-prefix-command (car keymap)) | |
328 | (define-key (symbol-value (caddr keymap)) (cadr keymap) (car keymap)) | |
329 | (setq keymap (symbol-value (car keymap))))) | |
330 | (let (key) | |
331 | (while plist | |
332 | (when (symbolp (setq key (pop plist))) | |
333 | (setq key (symbol-value key))) | |
334 | (if (or (not safe) | |
335 | (eq (lookup-key keymap key) 'undefined)) | |
336 | (define-key keymap key (pop plist)) | |
337 | (pop plist))))) | |
338 | ||
23f87bed | 339 | (defun gnus-completing-read-with-default (default prompt &rest args) |
eec82323 LMI |
340 | ;; Like `completing-read', except that DEFAULT is the default argument. |
341 | (let* ((prompt (if default | |
81df110a RF |
342 | (concat prompt " (default " default "): ") |
343 | (concat prompt ": "))) | |
eec82323 LMI |
344 | (answer (apply 'completing-read prompt args))) |
345 | (if (or (null answer) (zerop (length answer))) | |
346 | default | |
347 | answer))) | |
348 | ||
349 | ;; Two silly functions to ensure that all `y-or-n-p' questions clear | |
350 | ;; the echo area. | |
bbbe940b | 351 | ;; |
52bec650 MB |
352 | ;; Do we really need these functions? Workarounds for bugs in the corresponding |
353 | ;; Emacs functions? Maybe these bugs are no longer present in any supported | |
bbbe940b | 354 | ;; (X)Emacs version? Alias them to the original functions and see if anyone |
52bec650 MB |
355 | ;; reports a problem. If not, replace with original functions. --rsteib, |
356 | ;; 2007-12-14 | |
bbbe940b | 357 | ;; |
52bec650 MB |
358 | ;; All supported Emacsen clear the echo area after `yes-or-no-p', so we can |
359 | ;; remove `yes-or-no-p'. RMS says that not clearing after `y-or-n-p' is | |
360 | ;; intentional (see below), so we could remove `gnus-y-or-n-p' too. | |
361 | ;; Objections? --rsteib, 2008-02-16 | |
362 | ;; | |
363 | ;; ,----[ http://thread.gmane.org/gmane.emacs.gnus.general/65099/focus=66070 ] | |
364 | ;; | From: Richard Stallman | |
365 | ;; | Subject: Re: Do we need gnus-yes-or-no-p and gnus-y-or-n-p? | |
366 | ;; | To: Katsumi Yamaoka [...] | |
367 | ;; | Cc: emacs-devel@[...], xemacs-beta@[...], ding@[...] | |
368 | ;; | Date: Mon, 07 Jan 2008 12:16:05 -0500 | |
369 | ;; | Message-ID: <E1JBva1-000528-VY@fencepost.gnu.org> | |
370 | ;; | | |
371 | ;; | The behavior of `y-or-n-p' that it doesn't clear the question | |
372 | ;; | and the answer is not serious of course, but I feel it is not | |
373 | ;; | cool. | |
374 | ;; | | |
375 | ;; | It is intentional. | |
376 | ;; | | |
377 | ;; | Currently, it is commented out in the trunk by Reiner Steib. He | |
378 | ;; | also wrote the benefit of leaving the question and the answer in | |
379 | ;; | the echo area as follows: | |
380 | ;; | | |
381 | ;; | (http://article.gmane.org/gmane.emacs.gnus.general/66061) | |
382 | ;; | > In contrast to yes-or-no-p it is much easier to type y, n, | |
383 | ;; | > SPC, DEL, etc accidentally, so it might be useful for the user | |
384 | ;; | > to see what he has typed. | |
385 | ;; | | |
386 | ;; | Yes, that is the reason. | |
387 | ;; `---- | |
388 | ||
bbbe940b MB |
389 | ;; (defun gnus-y-or-n-p (prompt) |
390 | ;; (prog1 | |
391 | ;; (y-or-n-p prompt) | |
392 | ;; (message ""))) | |
393 | ;; (defun gnus-yes-or-no-p (prompt) | |
394 | ;; (prog1 | |
395 | ;; (yes-or-no-p prompt) | |
396 | ;; (message ""))) | |
397 | ||
398 | (defalias 'gnus-y-or-n-p 'y-or-n-p) | |
399 | (defalias 'gnus-yes-or-no-p 'yes-or-no-p) | |
eec82323 | 400 | |
23f87bed MB |
401 | ;; By Frank Schmitt <ich@Frank-Schmitt.net>. Allows to have |
402 | ;; age-depending date representations. (e.g. just the time if it's | |
403 | ;; from today, the day of the week if it's within the last 7 days and | |
404 | ;; the full date if it's older) | |
405 | ||
406 | (defun gnus-seconds-today () | |
407 | "Return the number of seconds passed today." | |
408 | (let ((now (decode-time (current-time)))) | |
409 | (+ (car now) (* (car (cdr now)) 60) (* (car (nthcdr 2 now)) 3600)))) | |
410 | ||
411 | (defun gnus-seconds-month () | |
412 | "Return the number of seconds passed this month." | |
413 | (let ((now (decode-time (current-time)))) | |
414 | (+ (car now) (* (car (cdr now)) 60) (* (car (nthcdr 2 now)) 3600) | |
415 | (* (- (car (nthcdr 3 now)) 1) 3600 24)))) | |
416 | ||
417 | (defun gnus-seconds-year () | |
418 | "Return the number of seconds passed this year." | |
419 | (let ((now (decode-time (current-time))) | |
420 | (days (format-time-string "%j" (current-time)))) | |
421 | (+ (car now) (* (car (cdr now)) 60) (* (car (nthcdr 2 now)) 3600) | |
422 | (* (- (string-to-number days) 1) 3600 24)))) | |
423 | ||
424 | (defvar gnus-user-date-format-alist | |
425 | '(((gnus-seconds-today) . "%k:%M") | |
426 | (604800 . "%a %k:%M") ;;that's one week | |
427 | ((gnus-seconds-month) . "%a %d") | |
428 | ((gnus-seconds-year) . "%b %d") | |
429 | (t . "%b %d '%y")) ;;this one is used when no | |
430 | ;;other does match | |
431 | "Specifies date format depending on age of article. | |
432 | This is an alist of items (AGE . FORMAT). AGE can be a number (of | |
433 | seconds) or a Lisp expression evaluating to a number. When the age of | |
434 | the article is less than this number, then use `format-time-string' | |
435 | with the corresponding FORMAT for displaying the date of the article. | |
436 | If AGE is not a number or a Lisp expression evaluating to a | |
437 | non-number, then the corresponding FORMAT is used as a default value. | |
438 | ||
439 | Note that the list is processed from the beginning, so it should be | |
440 | sorted by ascending AGE. Also note that items following the first | |
441 | non-number AGE will be ignored. | |
442 | ||
443 | You can use the functions `gnus-seconds-today', `gnus-seconds-month' | |
444 | and `gnus-seconds-year' in the AGE spec. They return the number of | |
445 | seconds passed since the start of today, of this month, of this year, | |
446 | respectively.") | |
447 | ||
448 | (defun gnus-user-date (messy-date) | |
449 | "Format the messy-date according to gnus-user-date-format-alist. | |
450 | Returns \" ? \" if there's bad input or if an other error occurs. | |
451 | Input should look like this: \"Sun, 14 Oct 2001 13:34:39 +0200\"." | |
452 | (condition-case () | |
feefd9f3 GM |
453 | (let* ((messy-date (gnus-float-time (safe-date-to-time messy-date))) |
454 | (now (gnus-float-time (current-time))) | |
23f87bed MB |
455 | ;;If we don't find something suitable we'll use this one |
456 | (my-format "%b %d '%y")) | |
457 | (let* ((difference (- now messy-date)) | |
458 | (templist gnus-user-date-format-alist) | |
459 | (top (eval (caar templist)))) | |
460 | (while (if (numberp top) (< top difference) (not top)) | |
461 | (progn | |
462 | (setq templist (cdr templist)) | |
463 | (setq top (eval (caar templist))))) | |
464 | (if (stringp (cdr (car templist))) | |
465 | (setq my-format (cdr (car templist))))) | |
466 | (format-time-string (eval my-format) (seconds-to-time messy-date))) | |
467 | (error " ? "))) | |
468 | ||
eec82323 | 469 | (defun gnus-dd-mmm (messy-date) |
6748645f | 470 | "Return a string like DD-MMM from a big messy string." |
16409b0b GM |
471 | (condition-case () |
472 | (format-time-string "%d-%b" (safe-date-to-time messy-date)) | |
473 | (error " - "))) | |
eec82323 LMI |
474 | |
475 | (defmacro gnus-date-get-time (date) | |
476 | "Convert DATE string to Emacs time. | |
477 | Cache the result as a text property stored in DATE." | |
478 | ;; Either return the cached value... | |
479 | `(let ((d ,date)) | |
480 | (if (equal "" d) | |
481 | '(0 0) | |
482 | (or (get-text-property 0 'gnus-time d) | |
483 | ;; or compute the value... | |
16409b0b | 484 | (let ((time (safe-date-to-time d))) |
eec82323 LMI |
485 | ;; and store it back in the string. |
486 | (put-text-property 0 1 'gnus-time time d) | |
487 | time))))) | |
488 | ||
489 | (defsubst gnus-time-iso8601 (time) | |
8b93df01 | 490 | "Return a string of TIME in YYYYMMDDTHHMMSS format." |
eec82323 LMI |
491 | (format-time-string "%Y%m%dT%H%M%S" time)) |
492 | ||
6748645f | 493 | (defun gnus-date-iso8601 (date) |
8b93df01 | 494 | "Convert the DATE to YYYYMMDDTHHMMSS." |
eec82323 | 495 | (condition-case () |
6748645f | 496 | (gnus-time-iso8601 (gnus-date-get-time date)) |
eec82323 LMI |
497 | (error ""))) |
498 | ||
499 | (defun gnus-mode-string-quote (string) | |
500 | "Quote all \"%\"'s in STRING." | |
23f87bed | 501 | (gnus-replace-in-string string "%" "%%")) |
eec82323 LMI |
502 | |
503 | ;; Make a hash table (default and minimum size is 256). | |
504 | ;; Optional argument HASHSIZE specifies the table size. | |
505 | (defun gnus-make-hashtable (&optional hashsize) | |
506 | (make-vector (if hashsize (max (gnus-create-hash-size hashsize) 256) 256) 0)) | |
507 | ||
508 | ;; Make a number that is suitable for hashing; bigger than MIN and | |
509 | ;; equal to some 2^x. Many machines (such as sparcs) do not have a | |
510 | ;; hardware modulo operation, so they implement it in software. On | |
511 | ;; many sparcs over 50% of the time to intern is spent in the modulo. | |
512 | ;; Yes, it's slower than actually computing the hash from the string! | |
513 | ;; So we use powers of 2 so people can optimize the modulo to a mask. | |
514 | (defun gnus-create-hash-size (min) | |
515 | (let ((i 1)) | |
516 | (while (< i min) | |
517 | (setq i (* 2 i))) | |
518 | i)) | |
519 | ||
520 | (defcustom gnus-verbose 7 | |
521 | "*Integer that says how verbose Gnus should be. | |
522 | The higher the number, the more messages Gnus will flash to say what | |
523 | it's doing. At zero, Gnus will be totally mute; at five, Gnus will | |
524 | display most important messages; and at ten, Gnus will keep on | |
525 | jabbering all the time." | |
526 | :group 'gnus-start | |
527 | :type 'integer) | |
528 | ||
01c52d31 MB |
529 | (defcustom gnus-add-timestamp-to-message nil |
530 | "Non-nil means add timestamps to messages that Gnus issues. | |
531 | If it is `log', add timestamps to only the messages that go into the | |
532 | \"*Messages*\" buffer (in XEmacs, it is the \" *Message-Log*\" buffer). | |
533 | If it is neither nil nor `log', add timestamps not only to log messages | |
534 | but also to the ones displayed in the echo area." | |
330f707b | 535 | :version "23.1" ;; No Gnus |
01c52d31 MB |
536 | :group 'gnus-various |
537 | :type '(choice :format "%{%t%}:\n %[Value Menu%] %v" | |
538 | (const :tag "Logged messages only" log) | |
539 | (sexp :tag "All messages" | |
540 | :match (lambda (widget value) value) | |
541 | :value t) | |
542 | (const :tag "No timestamp" nil))) | |
543 | ||
544 | (eval-when-compile | |
545 | (defmacro gnus-message-with-timestamp-1 (format-string args) | |
546 | (let ((timestamp '((format-time-string "%Y%m%dT%H%M%S" time) | |
547 | "." (format "%03d" (/ (nth 2 time) 1000)) "> "))) | |
548 | (if (featurep 'xemacs) | |
549 | `(let (str time) | |
550 | (if (or (and (null ,format-string) (null ,args)) | |
551 | (progn | |
552 | (setq str (apply 'format ,format-string ,args)) | |
553 | (zerop (length str)))) | |
554 | (prog1 | |
555 | (and ,format-string str) | |
556 | (clear-message nil)) | |
557 | (cond ((eq gnus-add-timestamp-to-message 'log) | |
558 | (setq time (current-time)) | |
559 | (display-message 'no-log str) | |
560 | (log-message 'message (concat ,@timestamp str))) | |
561 | (gnus-add-timestamp-to-message | |
562 | (setq time (current-time)) | |
563 | (display-message 'message (concat ,@timestamp str))) | |
564 | (t | |
565 | (display-message 'message str)))) | |
566 | str) | |
567 | `(let (str time) | |
568 | (cond ((eq gnus-add-timestamp-to-message 'log) | |
569 | (setq str (let (message-log-max) | |
570 | (apply 'message ,format-string ,args))) | |
571 | (when (and message-log-max | |
572 | (> message-log-max 0) | |
573 | (/= (length str) 0)) | |
574 | (setq time (current-time)) | |
575 | (with-current-buffer (get-buffer-create "*Messages*") | |
576 | (goto-char (point-max)) | |
577 | (insert ,@timestamp str "\n") | |
578 | (forward-line (- message-log-max)) | |
579 | (delete-region (point-min) (point)) | |
580 | (goto-char (point-max)))) | |
581 | str) | |
582 | (gnus-add-timestamp-to-message | |
583 | (if (or (and (null ,format-string) (null ,args)) | |
584 | (progn | |
585 | (setq str (apply 'format ,format-string ,args)) | |
586 | (zerop (length str)))) | |
587 | (prog1 | |
588 | (and ,format-string str) | |
589 | (message nil)) | |
590 | (setq time (current-time)) | |
591 | (message "%s" (concat ,@timestamp str)) | |
592 | str)) | |
593 | (t | |
594 | (apply 'message ,format-string ,args)))))))) | |
595 | ||
596 | (defun gnus-message-with-timestamp (format-string &rest args) | |
597 | "Display message with timestamp. Arguments are the same as `message'. | |
598 | The `gnus-add-timestamp-to-message' variable controls how to add | |
599 | timestamp to message." | |
600 | (gnus-message-with-timestamp-1 format-string args)) | |
601 | ||
eec82323 | 602 | (defun gnus-message (level &rest args) |
23f87bed MB |
603 | "If LEVEL is lower than `gnus-verbose' print ARGS using `message'. |
604 | ||
605 | Guideline for numbers: | |
606 | 1 - error messages, 3 - non-serious error messages, 5 - messages for things | |
607 | that take a long time, 7 - not very important messages on stuff, 9 - messages | |
608 | inside loops." | |
eec82323 | 609 | (if (<= level gnus-verbose) |
01c52d31 MB |
610 | (if gnus-add-timestamp-to-message |
611 | (apply 'gnus-message-with-timestamp args) | |
612 | (apply 'message args)) | |
eec82323 LMI |
613 | ;; We have to do this format thingy here even if the result isn't |
614 | ;; shown - the return value has to be the same as the return value | |
615 | ;; from `message'. | |
616 | (apply 'format args))) | |
617 | ||
618 | (defun gnus-error (level &rest args) | |
6203370b MB |
619 | "Beep an error if LEVEL is equal to or less than `gnus-verbose'. |
620 | ARGS are passed to `message'." | |
eec82323 LMI |
621 | (when (<= (floor level) gnus-verbose) |
622 | (apply 'message args) | |
623 | (ding) | |
624 | (let (duration) | |
625 | (when (and (floatp level) | |
626 | (not (zerop (setq duration (* 10 (- level (floor level))))))) | |
627 | (sit-for duration)))) | |
628 | nil) | |
629 | ||
630 | (defun gnus-split-references (references) | |
631 | "Return a list of Message-IDs in REFERENCES." | |
632 | (let ((beg 0) | |
521c4a23 | 633 | (references (mail-header-remove-comments (or references ""))) |
eec82323 | 634 | ids) |
23f87bed | 635 | (while (string-match "<[^<]+[^< \t]" references beg) |
eec82323 LMI |
636 | (push (substring references (match-beginning 0) (setq beg (match-end 0))) |
637 | ids)) | |
638 | (nreverse ids))) | |
639 | ||
01c52d31 MB |
640 | (defun gnus-extract-references (references) |
641 | "Return a list of Message-IDs in REFERENCES (in In-Reply-To | |
642 | format), trimmed to only contain the Message-IDs." | |
643 | (let ((ids (gnus-split-references references)) | |
644 | refs) | |
645 | (dolist (id ids) | |
646 | (when (string-match "<[^<>]+>" id) | |
647 | (push (match-string 0 id) refs))) | |
648 | refs)) | |
649 | ||
16409b0b | 650 | (defsubst gnus-parent-id (references &optional n) |
eec82323 LMI |
651 | "Return the last Message-ID in REFERENCES. |
652 | If N, return the Nth ancestor instead." | |
23f87bed MB |
653 | (when (and references |
654 | (not (zerop (length references)))) | |
655 | (if n | |
656 | (let ((ids (inline (gnus-split-references references)))) | |
657 | (while (nthcdr n ids) | |
658 | (setq ids (cdr ids))) | |
659 | (car ids)) | |
521c4a23 AS |
660 | (let ((references (mail-header-remove-comments references))) |
661 | (when (string-match "\\(<[^<]+>\\)[ \t]*\\'" references) | |
662 | (match-string 1 references)))))) | |
23f87bed MB |
663 | |
664 | (defun gnus-buffer-live-p (buffer) | |
eec82323 LMI |
665 | "Say whether BUFFER is alive or not." |
666 | (and buffer | |
667 | (get-buffer buffer) | |
668 | (buffer-name (get-buffer buffer)))) | |
669 | ||
670 | (defun gnus-horizontal-recenter () | |
671 | "Recenter the current buffer horizontally." | |
672 | (if (< (current-column) (/ (window-width) 2)) | |
23f87bed | 673 | (set-window-hscroll (gnus-get-buffer-window (current-buffer) t) 0) |
eec82323 | 674 | (let* ((orig (point)) |
23f87bed | 675 | (end (window-end (gnus-get-buffer-window (current-buffer) t))) |
eec82323 | 676 | (max 0)) |
6748645f LMI |
677 | (when end |
678 | ;; Find the longest line currently displayed in the window. | |
679 | (goto-char (window-start)) | |
680 | (while (and (not (eobp)) | |
681 | (< (point) end)) | |
682 | (end-of-line) | |
683 | (setq max (max max (current-column))) | |
684 | (forward-line 1)) | |
685 | (goto-char orig) | |
686 | ;; Scroll horizontally to center (sort of) the point. | |
687 | (if (> max (window-width)) | |
688 | (set-window-hscroll | |
23f87bed | 689 | (gnus-get-buffer-window (current-buffer) t) |
6748645f LMI |
690 | (min (- (current-column) (/ (window-width) 3)) |
691 | (+ 2 (- max (window-width))))) | |
23f87bed | 692 | (set-window-hscroll (gnus-get-buffer-window (current-buffer) t) 0)) |
6748645f | 693 | max)))) |
eec82323 | 694 | |
23f87bed | 695 | (defun gnus-read-event-char (&optional prompt) |
eec82323 | 696 | "Get the next event." |
23f87bed | 697 | (let ((event (read-event prompt))) |
eec82323 LMI |
698 | ;; should be gnus-characterp, but this can't be called in XEmacs anyway |
699 | (cons (and (numberp event) event) event))) | |
700 | ||
701 | (defun gnus-sortable-date (date) | |
16409b0b GM |
702 | "Make string suitable for sorting from DATE." |
703 | (gnus-time-iso8601 (date-to-time date))) | |
eec82323 LMI |
704 | |
705 | (defun gnus-copy-file (file &optional to) | |
706 | "Copy FILE to TO." | |
707 | (interactive | |
708 | (list (read-file-name "Copy file: " default-directory) | |
709 | (read-file-name "Copy file to: " default-directory))) | |
710 | (unless to | |
711 | (setq to (read-file-name "Copy file to: " default-directory))) | |
712 | (when (file-directory-p to) | |
713 | (setq to (concat (file-name-as-directory to) | |
714 | (file-name-nondirectory file)))) | |
715 | (copy-file file to)) | |
716 | ||
eec82323 LMI |
717 | (defvar gnus-work-buffer " *gnus work*") |
718 | ||
5ec7fe1b GM |
719 | (declare-function gnus-get-buffer-create "gnus" (name)) |
720 | ;; gnus.el requires mm-util. | |
721 | (declare-function mm-enable-multibyte "mm-util") | |
722 | ||
eec82323 LMI |
723 | (defun gnus-set-work-buffer () |
724 | "Put point in the empty Gnus work buffer." | |
725 | (if (get-buffer gnus-work-buffer) | |
726 | (progn | |
727 | (set-buffer gnus-work-buffer) | |
728 | (erase-buffer)) | |
6748645f | 729 | (set-buffer (gnus-get-buffer-create gnus-work-buffer)) |
eec82323 | 730 | (kill-all-local-variables) |
16409b0b | 731 | (mm-enable-multibyte))) |
eec82323 LMI |
732 | |
733 | (defmacro gnus-group-real-name (group) | |
734 | "Find the real name of a foreign newsgroup." | |
735 | `(let ((gname ,group)) | |
736 | (if (string-match "^[^:]+:" gname) | |
737 | (substring gname (match-end 0)) | |
738 | gname))) | |
739 | ||
6c5d6b6c MB |
740 | (defmacro gnus-group-server (group) |
741 | "Find the server name of a foreign newsgroup. | |
742 | For example, (gnus-group-server \"nnimap+yxa:INBOX.foo\") would | |
743 | yield \"nnimap:yxa\"." | |
744 | `(let ((gname ,group)) | |
745 | (if (string-match "^\\([^:+]+\\)\\(?:\\+\\([^:]*\\)\\)?:" gname) | |
746 | (format "%s:%s" (match-string 1 gname) (or | |
747 | (match-string 2 gname) | |
748 | "")) | |
749 | (format "%s:%s" (car gnus-select-method) (cadr gnus-select-method))))) | |
750 | ||
eec82323 | 751 | (defun gnus-make-sort-function (funs) |
23f87bed | 752 | "Return a composite sort condition based on the functions in FUNS." |
eec82323 | 753 | (cond |
16409b0b | 754 | ;; Just a simple function. |
23f87bed | 755 | ((functionp funs) funs) |
16409b0b | 756 | ;; No functions at all. |
eec82323 | 757 | ((null funs) funs) |
16409b0b GM |
758 | ;; A list of functions. |
759 | ((or (cdr funs) | |
760 | (listp (car funs))) | |
23f87bed MB |
761 | (gnus-byte-compile |
762 | `(lambda (t1 t2) | |
763 | ,(gnus-make-sort-function-1 (reverse funs))))) | |
16409b0b | 764 | ;; A list containing just one function. |
eec82323 LMI |
765 | (t |
766 | (car funs)))) | |
767 | ||
768 | (defun gnus-make-sort-function-1 (funs) | |
23f87bed | 769 | "Return a composite sort condition based on the functions in FUNS." |
16409b0b GM |
770 | (let ((function (car funs)) |
771 | (first 't1) | |
772 | (last 't2)) | |
773 | (when (consp function) | |
774 | (cond | |
775 | ;; Reversed spec. | |
776 | ((eq (car function) 'not) | |
777 | (setq function (cadr function) | |
778 | first 't2 | |
779 | last 't1)) | |
23f87bed | 780 | ((functionp function) |
16409b0b GM |
781 | ;; Do nothing. |
782 | ) | |
783 | (t | |
784 | (error "Invalid sort spec: %s" function)))) | |
785 | (if (cdr funs) | |
786 | `(or (,function ,first ,last) | |
787 | (and (not (,function ,last ,first)) | |
788 | ,(gnus-make-sort-function-1 (cdr funs)))) | |
789 | `(,function ,first ,last)))) | |
eec82323 LMI |
790 | |
791 | (defun gnus-turn-off-edit-menu (type) | |
792 | "Turn off edit menu in `gnus-TYPE-mode-map'." | |
793 | (define-key (symbol-value (intern (format "gnus-%s-mode-map" type))) | |
794 | [menu-bar edit] 'undefined)) | |
795 | ||
23f87bed MB |
796 | (defmacro gnus-bind-print-variables (&rest forms) |
797 | "Bind print-* variables and evaluate FORMS. | |
798 | This macro is used with `prin1', `pp', etc. in order to ensure printed | |
799 | Lisp objects are loadable. Bind `print-quoted' and `print-readably' | |
800 | to t, and `print-escape-multibyte', `print-escape-newlines', | |
801 | `print-escape-nonascii', `print-length', `print-level' and | |
802 | `print-string-length' to nil." | |
803 | `(let ((print-quoted t) | |
804 | (print-readably t) | |
805 | ;;print-circle | |
806 | ;;print-continuous-numbering | |
807 | print-escape-multibyte | |
808 | print-escape-newlines | |
809 | print-escape-nonascii | |
810 | ;;print-gensym | |
811 | print-length | |
812 | print-level | |
813 | print-string-length) | |
814 | ,@forms)) | |
815 | ||
eec82323 LMI |
816 | (defun gnus-prin1 (form) |
817 | "Use `prin1' on FORM in the current buffer. | |
23f87bed MB |
818 | Bind `print-quoted' and `print-readably' to t, and `print-length' and |
819 | `print-level' to nil. See also `gnus-bind-print-variables'." | |
820 | (gnus-bind-print-variables (prin1 form (current-buffer)))) | |
eec82323 LMI |
821 | |
822 | (defun gnus-prin1-to-string (form) | |
23f87bed MB |
823 | "The same as `prin1'. |
824 | Bind `print-quoted' and `print-readably' to t, and `print-length' and | |
825 | `print-level' to nil. See also `gnus-bind-print-variables'." | |
826 | (gnus-bind-print-variables (prin1-to-string form))) | |
827 | ||
01c52d31 | 828 | (defun gnus-pp (form &optional stream) |
23f87bed MB |
829 | "Use `pp' on FORM in the current buffer. |
830 | Bind `print-quoted' and `print-readably' to t, and `print-length' and | |
831 | `print-level' to nil. See also `gnus-bind-print-variables'." | |
01c52d31 | 832 | (gnus-bind-print-variables (pp form (or stream (current-buffer))))) |
23f87bed MB |
833 | |
834 | (defun gnus-pp-to-string (form) | |
835 | "The same as `pp-to-string'. | |
836 | Bind `print-quoted' and `print-readably' to t, and `print-length' and | |
837 | `print-level' to nil. See also `gnus-bind-print-variables'." | |
838 | (gnus-bind-print-variables (pp-to-string form))) | |
eec82323 LMI |
839 | |
840 | (defun gnus-make-directory (directory) | |
841 | "Make DIRECTORY (and all its parents) if it doesn't exist." | |
5eee36fa | 842 | (require 'nnmail) |
16409b0b GM |
843 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
844 | (when (and directory | |
845 | (not (file-exists-p directory))) | |
846 | (make-directory directory t))) | |
eec82323 LMI |
847 | t) |
848 | ||
849 | (defun gnus-write-buffer (file) | |
850 | "Write the current buffer's contents to FILE." | |
16409b0b | 851 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
01c52d31 MB |
852 | ;; Make sure the directory exists. |
853 | (gnus-make-directory (file-name-directory file)) | |
16409b0b GM |
854 | ;; Write the buffer. |
855 | (write-region (point-min) (point-max) file nil 'quietly))) | |
eec82323 | 856 | |
eec82323 LMI |
857 | (defun gnus-delete-file (file) |
858 | "Delete FILE if it exists." | |
859 | (when (file-exists-p file) | |
860 | (delete-file file))) | |
861 | ||
aa0a8561 MB |
862 | (defun gnus-delete-directory (directory) |
863 | "Delete files in DIRECTORY. Subdirectories remain. | |
864 | If there's no subdirectory, delete DIRECTORY as well." | |
865 | (when (file-directory-p directory) | |
866 | (let ((files (directory-files | |
867 | directory t "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")) | |
868 | file dir) | |
869 | (while files | |
870 | (setq file (pop files)) | |
871 | (if (eq t (car (file-attributes file))) | |
872 | ;; `file' is a subdirectory. | |
873 | (setq dir t) | |
874 | ;; `file' is a file or a symlink. | |
875 | (delete-file file))) | |
876 | (unless dir | |
877 | (delete-directory directory))))) | |
878 | ||
996aa8c1 MB |
879 | ;; The following two functions are used in gnus-registry. |
880 | ;; They were contributed by Andreas Fuchs <asf@void.at>. | |
881 | (defun gnus-alist-to-hashtable (alist) | |
882 | "Build a hashtable from the values in ALIST." | |
883 | (let ((ht (make-hash-table | |
884 | :size 4096 | |
885 | :test 'equal))) | |
886 | (mapc | |
887 | (lambda (kv-pair) | |
888 | (puthash (car kv-pair) (cdr kv-pair) ht)) | |
889 | alist) | |
890 | ht)) | |
891 | ||
892 | (defun gnus-hashtable-to-alist (hash) | |
893 | "Build an alist from the values in HASH." | |
894 | (let ((list nil)) | |
895 | (maphash | |
896 | (lambda (key value) | |
897 | (setq list (cons (cons key value) list))) | |
898 | hash) | |
899 | list)) | |
900 | ||
eec82323 LMI |
901 | (defun gnus-strip-whitespace (string) |
902 | "Return STRING stripped of all whitespace." | |
903 | (while (string-match "[\r\n\t ]+" string) | |
904 | (setq string (replace-match "" t t string))) | |
905 | string) | |
906 | ||
5ec7fe1b GM |
907 | (declare-function gnus-put-text-property "gnus" |
908 | (start end property value &optional object)) | |
909 | ||
16409b0b | 910 | (defsubst gnus-put-text-property-excluding-newlines (beg end prop val) |
eec82323 LMI |
911 | "The same as `put-text-property', but don't put this prop on any newlines in the region." |
912 | (save-match-data | |
913 | (save-excursion | |
914 | (save-restriction | |
915 | (goto-char beg) | |
16409b0b | 916 | (while (re-search-forward gnus-emphasize-whitespace-regexp end 'move) |
6748645f | 917 | (gnus-put-text-property beg (match-beginning 0) prop val) |
eec82323 | 918 | (setq beg (point))) |
6748645f LMI |
919 | (gnus-put-text-property beg (point) prop val))))) |
920 | ||
5ec7fe1b GM |
921 | (declare-function gnus-overlay-put "gnus" (overlay prop value)) |
922 | (declare-function gnus-make-overlay "gnus" | |
923 | (beg end &optional buffer front-advance rear-advance)) | |
924 | ||
23f87bed MB |
925 | (defsubst gnus-put-overlay-excluding-newlines (beg end prop val) |
926 | "The same as `put-text-property', but don't put this prop on any newlines in the region." | |
927 | (save-match-data | |
928 | (save-excursion | |
929 | (save-restriction | |
930 | (goto-char beg) | |
931 | (while (re-search-forward gnus-emphasize-whitespace-regexp end 'move) | |
932 | (gnus-overlay-put | |
933 | (gnus-make-overlay beg (match-beginning 0)) | |
934 | prop val) | |
935 | (setq beg (point))) | |
936 | (gnus-overlay-put (gnus-make-overlay beg (point)) prop val))))) | |
937 | ||
6748645f LMI |
938 | (defun gnus-put-text-property-excluding-characters-with-faces (beg end |
939 | prop val) | |
940 | "The same as `put-text-property', but don't put props on characters with the `gnus-face' property." | |
941 | (let ((b beg)) | |
942 | (while (/= b end) | |
943 | (when (get-text-property b 'gnus-face) | |
944 | (setq b (next-single-property-change b 'gnus-face nil end))) | |
945 | (when (/= b end) | |
23f87bed MB |
946 | (inline |
947 | (gnus-put-text-property | |
948 | b (setq b (next-single-property-change b 'gnus-face nil end)) | |
949 | prop val)))))) | |
950 | ||
951 | (defmacro gnus-faces-at (position) | |
952 | "Return a list of faces at POSITION." | |
953 | (if (featurep 'xemacs) | |
954 | `(let ((pos ,position)) | |
955 | (mapcar-extents 'extent-face | |
956 | nil (current-buffer) pos pos nil 'face)) | |
957 | `(let ((pos ,position)) | |
958 | (delq nil (cons (get-text-property pos 'face) | |
959 | (mapcar | |
960 | (lambda (overlay) | |
961 | (overlay-get overlay 'face)) | |
962 | (overlays-at pos))))))) | |
eec82323 LMI |
963 | |
964 | ;;; Protected and atomic operations. dmoore@ucsd.edu 21.11.1996 | |
d346bf7e SM |
965 | ;; The primary idea here is to try to protect internal datastructures |
966 | ;; from becoming corrupted when the user hits C-g, or if a hook or | |
967 | ;; similar blows up. Often in Gnus multiple tables/lists need to be | |
968 | ;; updated at the same time, or information can be lost. | |
eec82323 LMI |
969 | |
970 | (defvar gnus-atomic-be-safe t | |
971 | "If t, certain operations will be protected from interruption by C-g.") | |
972 | ||
973 | (defmacro gnus-atomic-progn (&rest forms) | |
974 | "Evaluate FORMS atomically, which means to protect the evaluation | |
975 | from being interrupted by the user. An error from the forms themselves | |
976 | will return without finishing the operation. Since interrupts from | |
977 | the user are disabled, it is recommended that only the most minimal | |
978 | operations are performed by FORMS. If you wish to assign many | |
979 | complicated values atomically, compute the results into temporary | |
980 | variables and then do only the assignment atomically." | |
981 | `(let ((inhibit-quit gnus-atomic-be-safe)) | |
982 | ,@forms)) | |
983 | ||
984 | (put 'gnus-atomic-progn 'lisp-indent-function 0) | |
985 | ||
986 | (defmacro gnus-atomic-progn-assign (protect &rest forms) | |
d346bf7e | 987 | "Evaluate FORMS, but ensure that the variables listed in PROTECT |
eec82323 LMI |
988 | are not changed if anything in FORMS signals an error or otherwise |
989 | non-locally exits. The variables listed in PROTECT are updated atomically. | |
990 | It is safe to use gnus-atomic-progn-assign with long computations. | |
991 | ||
992 | Note that if any of the symbols in PROTECT were unbound, they will be | |
8f688cb0 | 993 | set to nil on a successful assignment. In case of an error or other |
eec82323 LMI |
994 | non-local exit, it will still be unbound." |
995 | (let* ((temp-sym-map (mapcar (lambda (x) (list (make-symbol | |
996 | (concat (symbol-name x) | |
997 | "-tmp")) | |
998 | x)) | |
999 | protect)) | |
1000 | (sym-temp-map (mapcar (lambda (x) (list (cadr x) (car x))) | |
1001 | temp-sym-map)) | |
1002 | (temp-sym-let (mapcar (lambda (x) (list (car x) | |
1003 | `(and (boundp ',(cadr x)) | |
1004 | ,(cadr x)))) | |
1005 | temp-sym-map)) | |
1006 | (sym-temp-let sym-temp-map) | |
1007 | (temp-sym-assign (apply 'append temp-sym-map)) | |
1008 | (sym-temp-assign (apply 'append sym-temp-map)) | |
1009 | (result (make-symbol "result-tmp"))) | |
1010 | `(let (,@temp-sym-let | |
1011 | ,result) | |
1012 | (let ,sym-temp-let | |
1013 | (setq ,result (progn ,@forms)) | |
1014 | (setq ,@temp-sym-assign)) | |
1015 | (let ((inhibit-quit gnus-atomic-be-safe)) | |
1016 | (setq ,@sym-temp-assign)) | |
1017 | ,result))) | |
1018 | ||
1019 | (put 'gnus-atomic-progn-assign 'lisp-indent-function 1) | |
1020 | ;(put 'gnus-atomic-progn-assign 'edebug-form-spec '(sexp body)) | |
1021 | ||
1022 | (defmacro gnus-atomic-setq (&rest pairs) | |
1023 | "Similar to setq, except that the real symbols are only assigned when | |
1024 | there are no errors. And when the real symbols are assigned, they are | |
1025 | done so atomically. If other variables might be changed via side-effect, | |
1026 | see gnus-atomic-progn-assign. It is safe to use gnus-atomic-setq | |
1027 | with potentially long computations." | |
1028 | (let ((tpairs pairs) | |
1029 | syms) | |
1030 | (while tpairs | |
1031 | (push (car tpairs) syms) | |
1032 | (setq tpairs (cddr tpairs))) | |
1033 | `(gnus-atomic-progn-assign ,syms | |
1034 | (setq ,@pairs)))) | |
1035 | ||
1036 | ;(put 'gnus-atomic-setq 'edebug-form-spec '(body)) | |
1037 | ||
1038 | ||
1039 | ;;; Functions for saving to babyl/mail files. | |
1040 | ||
23f87bed MB |
1041 | (eval-when-compile |
1042 | (condition-case nil | |
1043 | (progn | |
1044 | (require 'rmail) | |
1045 | (autoload 'rmail-update-summary "rmailsum")) | |
1046 | (error | |
1047 | (define-compiler-macro rmail-select-summary (&rest body) | |
1048 | ;; Rmail of the XEmacs version is supplied by the package, and | |
1049 | ;; requires tm and apel packages. However, there may be those | |
1050 | ;; who haven't installed those packages. This macro helps such | |
1051 | ;; people even if they install those packages later. | |
1052 | `(eval '(rmail-select-summary ,@body))) | |
1053 | ;; If there's rmail but there's no tm (or there's apel of the | |
1054 | ;; mainstream, not the XEmacs version), loading rmail of the XEmacs | |
1055 | ;; version fails halfway, however it provides the rmail-select-summary | |
1056 | ;; macro which uses the following functions: | |
1057 | (autoload 'rmail-summary-displayed "rmail") | |
9efa445f DN |
1058 | (autoload 'rmail-maybe-display-summary "rmail")))) |
1059 | ||
9efa445f | 1060 | (defvar mm-text-coding-system) |
23f87bed | 1061 | |
88bfa2e4 GM |
1062 | (declare-function mm-append-to-file "mm-util" |
1063 | (start end filename &optional codesys inhibit)) | |
1064 | ||
eec82323 | 1065 | (defun gnus-output-to-rmail (filename &optional ask) |
e38658c4 GM |
1066 | "Append the current article to an Rmail file named FILENAME. |
1067 | In Emacs 22 this writes Babyl format; in Emacs 23 it writes mbox unless | |
1068 | FILENAME exists and is Babyl format." | |
eec82323 | 1069 | (require 'rmail) |
23f87bed | 1070 | (require 'mm-util) |
e38658c4 | 1071 | ;; Some of this codes is borrowed from rmailout.el. |
eec82323 | 1072 | (setq filename (expand-file-name filename)) |
e38658c4 GM |
1073 | ;; FIXME should we really be messing with this defcustom? |
1074 | ;; It is not needed for the operation of this function. | |
1075 | (if (boundp 'rmail-default-rmail-file) | |
1076 | (setq rmail-default-rmail-file filename) ; 22 | |
1077 | (setq rmail-default-file filename)) ; 23 | |
eec82323 | 1078 | (let ((artbuf (current-buffer)) |
e38658c4 GM |
1079 | (tmpbuf (get-buffer-create " *Gnus-output*")) |
1080 | ;; Babyl rmail.el defines this, mbox does not. | |
1081 | (babyl (fboundp 'rmail-insert-rmail-file-header))) | |
eec82323 | 1082 | (save-excursion |
e38658c4 GM |
1083 | ;; Note that we ignore the possibility of visiting a Babyl |
1084 | ;; format buffer in Emacs 23, since Rmail no longer supports that. | |
1085 | (or (get-file-buffer filename) | |
1086 | (progn | |
1087 | ;; In case someone wants to write to a Babyl file from Emacs 23. | |
1088 | (when (file-exists-p filename) | |
1089 | (setq babyl (mail-file-babyl-p filename)) | |
1090 | t)) | |
eec82323 LMI |
1091 | (if (or (not ask) |
1092 | (gnus-yes-or-no-p | |
1093 | (concat "\"" filename "\" does not exist, create it? "))) | |
1094 | (let ((file-buffer (create-file-buffer filename))) | |
1095 | (save-excursion | |
1096 | (set-buffer file-buffer) | |
e38658c4 GM |
1097 | (if (fboundp 'rmail-insert-rmail-file-header) |
1098 | (rmail-insert-rmail-file-header)) | |
16409b0b GM |
1099 | (let ((require-final-newline nil) |
1100 | (coding-system-for-write mm-text-coding-system)) | |
eec82323 LMI |
1101 | (gnus-write-buffer filename))) |
1102 | (kill-buffer file-buffer)) | |
1103 | (error "Output file does not exist"))) | |
1104 | (set-buffer tmpbuf) | |
1105 | (erase-buffer) | |
1106 | (insert-buffer-substring artbuf) | |
e38658c4 GM |
1107 | (if babyl |
1108 | (gnus-convert-article-to-rmail) | |
1109 | ;; Non-Babyl case copied from gnus-output-to-mail. | |
1110 | (goto-char (point-min)) | |
1111 | (if (looking-at "From ") | |
1112 | (forward-line 1) | |
1113 | (insert "From nobody " (current-time-string) "\n")) | |
1114 | (let (case-fold-search) | |
1115 | (while (re-search-forward "^From " nil t) | |
1116 | (beginning-of-line) | |
1117 | (insert ">")))) | |
eec82323 LMI |
1118 | ;; Decide whether to append to a file or to an Emacs buffer. |
1119 | (let ((outbuf (get-file-buffer filename))) | |
1120 | (if (not outbuf) | |
e38658c4 GM |
1121 | (progn |
1122 | (unless babyl ; from gnus-output-to-mail | |
1123 | (let ((buffer-read-only nil)) | |
1124 | (goto-char (point-max)) | |
1125 | (forward-char -2) | |
1126 | (unless (looking-at "\n\n") | |
1127 | (goto-char (point-max)) | |
1128 | (unless (bolp) | |
1129 | (insert "\n")) | |
1130 | (insert "\n")))) | |
1131 | (let ((file-name-coding-system nnmail-pathname-coding-system)) | |
1132 | (mm-append-to-file (point-min) (point-max) filename))) | |
eec82323 LMI |
1133 | ;; File has been visited, in buffer OUTBUF. |
1134 | (set-buffer outbuf) | |
1135 | (let ((buffer-read-only nil) | |
1136 | (msg (and (boundp 'rmail-current-message) | |
1137 | (symbol-value 'rmail-current-message)))) | |
1138 | ;; If MSG is non-nil, buffer is in RMAIL mode. | |
e38658c4 | 1139 | ;; Compare this with rmail-output-to-rmail-buffer in Emacs 23. |
eec82323 | 1140 | (when msg |
e38658c4 GM |
1141 | (unless babyl |
1142 | (rmail-swap-buffers-maybe) | |
1143 | (rmail-maybe-set-message-counters)) | |
1144 | (widen) | |
1145 | (narrow-to-region (point-max) (point-max))) | |
eec82323 LMI |
1146 | (insert-buffer-substring tmpbuf) |
1147 | (when msg | |
e38658c4 GM |
1148 | (when babyl |
1149 | (goto-char (point-min)) | |
1150 | (widen) | |
1151 | (search-backward "\n\^_") | |
1152 | (narrow-to-region (point) (point-max))) | |
23f87bed MB |
1153 | (rmail-count-new-messages t) |
1154 | (when (rmail-summary-exists) | |
6748645f LMI |
1155 | (rmail-select-summary |
1156 | (rmail-update-summary))) | |
6748645f LMI |
1157 | (rmail-show-message msg)) |
1158 | (save-buffer))))) | |
eec82323 LMI |
1159 | (kill-buffer tmpbuf))) |
1160 | ||
1161 | (defun gnus-output-to-mail (filename &optional ask) | |
1162 | "Append the current article to a mail file named FILENAME." | |
1163 | (setq filename (expand-file-name filename)) | |
1164 | (let ((artbuf (current-buffer)) | |
1165 | (tmpbuf (get-buffer-create " *Gnus-output*"))) | |
1166 | (save-excursion | |
1167 | ;; Create the file, if it doesn't exist. | |
1168 | (when (and (not (get-file-buffer filename)) | |
1169 | (not (file-exists-p filename))) | |
1170 | (if (or (not ask) | |
1171 | (gnus-y-or-n-p | |
1172 | (concat "\"" filename "\" does not exist, create it? "))) | |
1173 | (let ((file-buffer (create-file-buffer filename))) | |
1174 | (save-excursion | |
1175 | (set-buffer file-buffer) | |
16409b0b GM |
1176 | (let ((require-final-newline nil) |
1177 | (coding-system-for-write mm-text-coding-system)) | |
eec82323 LMI |
1178 | (gnus-write-buffer filename))) |
1179 | (kill-buffer file-buffer)) | |
1180 | (error "Output file does not exist"))) | |
1181 | (set-buffer tmpbuf) | |
1182 | (erase-buffer) | |
1183 | (insert-buffer-substring artbuf) | |
1184 | (goto-char (point-min)) | |
1185 | (if (looking-at "From ") | |
1186 | (forward-line 1) | |
1187 | (insert "From nobody " (current-time-string) "\n")) | |
1188 | (let (case-fold-search) | |
1189 | (while (re-search-forward "^From " nil t) | |
1190 | (beginning-of-line) | |
1191 | (insert ">"))) | |
1192 | ;; Decide whether to append to a file or to an Emacs buffer. | |
1193 | (let ((outbuf (get-file-buffer filename))) | |
1194 | (if (not outbuf) | |
1195 | (let ((buffer-read-only nil)) | |
1196 | (save-excursion | |
1197 | (goto-char (point-max)) | |
1198 | (forward-char -2) | |
1199 | (unless (looking-at "\n\n") | |
1200 | (goto-char (point-max)) | |
1201 | (unless (bolp) | |
1202 | (insert "\n")) | |
1203 | (insert "\n")) | |
1204 | (goto-char (point-max)) | |
47e77e9f SZ |
1205 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
1206 | (mm-append-to-file (point-min) (point-max) filename)))) | |
eec82323 LMI |
1207 | ;; File has been visited, in buffer OUTBUF. |
1208 | (set-buffer outbuf) | |
1209 | (let ((buffer-read-only nil)) | |
1210 | (goto-char (point-max)) | |
1211 | (unless (eobp) | |
1212 | (insert "\n")) | |
1213 | (insert "\n") | |
1214 | (insert-buffer-substring tmpbuf))))) | |
1215 | (kill-buffer tmpbuf))) | |
1216 | ||
1217 | (defun gnus-convert-article-to-rmail () | |
1218 | "Convert article in current buffer to Rmail message format." | |
1219 | (let ((buffer-read-only nil)) | |
1220 | ;; Convert article directly into Babyl format. | |
1221 | (goto-char (point-min)) | |
1222 | (insert "\^L\n0, unseen,,\n*** EOOH ***\n") | |
1223 | (while (search-forward "\n\^_" nil t) ;single char | |
1224 | (replace-match "\n^_" t t)) ;2 chars: "^" and "_" | |
1225 | (goto-char (point-max)) | |
1226 | (insert "\^_"))) | |
1227 | ||
6748645f | 1228 | (defun gnus-map-function (funs arg) |
23f87bed | 1229 | "Apply the result of the first function in FUNS to the second, and so on. |
6748645f | 1230 | ARG is passed to the first function." |
23f87bed MB |
1231 | (while funs |
1232 | (setq arg (funcall (pop funs) arg))) | |
1233 | arg) | |
6748645f LMI |
1234 | |
1235 | (defun gnus-run-hooks (&rest funcs) | |
23f87bed MB |
1236 | "Does the same as `run-hooks', but saves the current buffer." |
1237 | (save-current-buffer | |
1238 | (apply 'run-hooks funcs))) | |
6748645f | 1239 | |
b4e8a25b | 1240 | (defun gnus-run-mode-hooks (&rest funcs) |
cfcd5c91 MB |
1241 | "Run `run-mode-hooks' if it is available, otherwise `run-hooks'. |
1242 | This function saves the current buffer." | |
b4e8a25b | 1243 | (if (fboundp 'run-mode-hooks) |
cfcd5c91 MB |
1244 | (save-current-buffer (apply 'run-mode-hooks funcs)) |
1245 | (save-current-buffer (apply 'run-hooks funcs)))) | |
b4e8a25b | 1246 | |
6748645f LMI |
1247 | ;;; Various |
1248 | ||
16409b0b | 1249 | (defvar gnus-group-buffer) ; Compiler directive |
6748645f LMI |
1250 | (defun gnus-alive-p () |
1251 | "Say whether Gnus is running or not." | |
1252 | (and (boundp 'gnus-group-buffer) | |
1253 | (get-buffer gnus-group-buffer) | |
1254 | (save-excursion | |
1255 | (set-buffer gnus-group-buffer) | |
1256 | (eq major-mode 'gnus-group-mode)))) | |
1257 | ||
23f87bed MB |
1258 | (defun gnus-remove-if (predicate list) |
1259 | "Return a copy of LIST with all items satisfying PREDICATE removed." | |
6748645f LMI |
1260 | (let (out) |
1261 | (while list | |
1262 | (unless (funcall predicate (car list)) | |
1263 | (push (car list) out)) | |
23f87bed | 1264 | (setq list (cdr list))) |
6748645f LMI |
1265 | (nreverse out))) |
1266 | ||
23f87bed MB |
1267 | (if (fboundp 'assq-delete-all) |
1268 | (defalias 'gnus-delete-alist 'assq-delete-all) | |
1269 | (defun gnus-delete-alist (key alist) | |
1270 | "Delete from ALIST all elements whose car is KEY. | |
1271 | Return the modified alist." | |
1272 | (let (entry) | |
1273 | (while (setq entry (assq key alist)) | |
1274 | (setq alist (delq entry alist))) | |
1275 | alist))) | |
6748645f | 1276 | |
16409b0b | 1277 | (defmacro gnus-pull (key alist &optional assoc-p) |
6748645f LMI |
1278 | "Modify ALIST to be without KEY." |
1279 | (unless (symbolp alist) | |
1280 | (error "Not a symbol: %s" alist)) | |
16409b0b GM |
1281 | (let ((fun (if assoc-p 'assoc 'assq))) |
1282 | `(setq ,alist (delq (,fun ,key ,alist) ,alist)))) | |
6748645f LMI |
1283 | |
1284 | (defun gnus-globalify-regexp (re) | |
e7f767c2 | 1285 | "Return a regexp that matches a whole line, if RE matches a part of it." |
6748645f LMI |
1286 | (concat (unless (string-match "^\\^" re) "^.*") |
1287 | re | |
1288 | (unless (string-match "\\$$" re) ".*$"))) | |
1289 | ||
16409b0b GM |
1290 | (defun gnus-set-window-start (&optional point) |
1291 | "Set the window start to POINT, or (point) if nil." | |
23f87bed | 1292 | (let ((win (gnus-get-buffer-window (current-buffer) t))) |
16409b0b GM |
1293 | (when win |
1294 | (set-window-start win (or point (point)))))) | |
1295 | ||
1296 | (defun gnus-annotation-in-region-p (b e) | |
1297 | (if (= b e) | |
1298 | (eq (cadr (memq 'gnus-undeletable (text-properties-at b))) t) | |
1299 | (text-property-any b e 'gnus-undeletable t))) | |
1300 | ||
1301 | (defun gnus-or (&rest elems) | |
1302 | "Return non-nil if any of the elements are non-nil." | |
1303 | (catch 'found | |
1304 | (while elems | |
1305 | (when (pop elems) | |
1306 | (throw 'found t))))) | |
1307 | ||
1308 | (defun gnus-and (&rest elems) | |
1309 | "Return non-nil if all of the elements are non-nil." | |
1310 | (catch 'found | |
1311 | (while elems | |
1312 | (unless (pop elems) | |
1313 | (throw 'found nil))) | |
1314 | t)) | |
1315 | ||
5ec7fe1b GM |
1316 | ;; gnus.el requires mm-util. |
1317 | (declare-function mm-disable-multibyte "mm-util") | |
1318 | ||
16409b0b | 1319 | (defun gnus-write-active-file (file hashtb &optional full-names) |
01c52d31 | 1320 | ;; `coding-system-for-write' should be `raw-text' or equivalent. |
16409b0b GM |
1321 | (let ((coding-system-for-write nnmail-active-file-coding-system)) |
1322 | (with-temp-file file | |
01c52d31 MB |
1323 | ;; The buffer should be in the unibyte mode because group names |
1324 | ;; are ASCII text or encoded non-ASCII text (i.e., unibyte). | |
1325 | (mm-disable-multibyte) | |
16409b0b GM |
1326 | (mapatoms |
1327 | (lambda (sym) | |
1328 | (when (and sym | |
1329 | (boundp sym) | |
1330 | (symbol-value sym)) | |
1331 | (insert (format "%S %d %d y\n" | |
1332 | (if full-names | |
1333 | sym | |
1334 | (intern (gnus-group-real-name (symbol-name sym)))) | |
1335 | (or (cdr (symbol-value sym)) | |
1336 | (car (symbol-value sym))) | |
1337 | (car (symbol-value sym)))))) | |
1338 | hashtb) | |
1339 | (goto-char (point-max)) | |
1340 | (while (search-backward "\\." nil t) | |
1341 | (delete-char 1))))) | |
1342 | ||
23f87bed MB |
1343 | ;; Fixme: Why not use `with-output-to-temp-buffer'? |
1344 | (defmacro gnus-with-output-to-file (file &rest body) | |
1345 | (let ((buffer (make-symbol "output-buffer")) | |
1346 | (size (make-symbol "output-buffer-size")) | |
1347 | (leng (make-symbol "output-buffer-length")) | |
1348 | (append (make-symbol "output-buffer-append"))) | |
1349 | `(let* ((,size 131072) | |
1350 | (,buffer (make-string ,size 0)) | |
1351 | (,leng 0) | |
1352 | (,append nil) | |
1353 | (standard-output | |
1354 | (lambda (c) | |
1355 | (aset ,buffer ,leng c) | |
bf247b6e | 1356 | |
23f87bed MB |
1357 | (if (= ,size (setq ,leng (1+ ,leng))) |
1358 | (progn (write-region ,buffer nil ,file ,append 'no-msg) | |
1359 | (setq ,leng 0 | |
1360 | ,append t)))))) | |
1361 | ,@body | |
1362 | (when (> ,leng 0) | |
1363 | (let ((coding-system-for-write 'no-conversion)) | |
1364 | (write-region (substring ,buffer 0 ,leng) nil ,file | |
1365 | ,append 'no-msg)))))) | |
1366 | ||
1367 | (put 'gnus-with-output-to-file 'lisp-indent-function 1) | |
1368 | (put 'gnus-with-output-to-file 'edebug-form-spec '(form body)) | |
1369 | ||
1370 | (if (fboundp 'union) | |
1371 | (defalias 'gnus-union 'union) | |
1372 | (defun gnus-union (l1 l2) | |
1373 | "Set union of lists L1 and L2." | |
1374 | (cond ((null l1) l2) | |
1375 | ((null l2) l1) | |
1376 | ((equal l1 l2) l1) | |
1377 | (t | |
1378 | (or (>= (length l1) (length l2)) | |
1379 | (setq l1 (prog1 l2 (setq l2 l1)))) | |
1380 | (while l2 | |
1381 | (or (member (car l2) l1) | |
1382 | (push (car l2) l1)) | |
1383 | (pop l2)) | |
1384 | l1)))) | |
1385 | ||
5ec7fe1b GM |
1386 | (declare-function gnus-add-text-properties "gnus" |
1387 | (start end properties &optional object)) | |
1388 | ||
520aa572 SZ |
1389 | (defun gnus-add-text-properties-when |
1390 | (property value start end properties &optional object) | |
1391 | "Like `gnus-add-text-properties', only applied on where PROPERTY is VALUE." | |
1392 | (let (point) | |
3d8c35d3 | 1393 | (while (and start |
23f87bed | 1394 | (< start end) ;; XEmacs will loop for every when start=end. |
520aa572 SZ |
1395 | (setq point (text-property-not-all start end property value))) |
1396 | (gnus-add-text-properties start point properties object) | |
1397 | (setq start (text-property-any point end property value))) | |
1398 | (if start | |
1399 | (gnus-add-text-properties start end properties object)))) | |
1400 | ||
1401 | (defun gnus-remove-text-properties-when | |
1402 | (property value start end properties &optional object) | |
1403 | "Like `remove-text-properties', only applied on where PROPERTY is VALUE." | |
1404 | (let (point) | |
3d8c35d3 | 1405 | (while (and start |
23f87bed | 1406 | (< start end) |
520aa572 SZ |
1407 | (setq point (text-property-not-all start end property value))) |
1408 | (remove-text-properties start point properties object) | |
1409 | (setq start (text-property-any point end property value))) | |
1410 | (if start | |
4481aa98 SZ |
1411 | (remove-text-properties start end properties object)) |
1412 | t)) | |
520aa572 | 1413 | |
01c52d31 MB |
1414 | (defun gnus-string-remove-all-properties (string) |
1415 | (condition-case () | |
1416 | (let ((s string)) | |
1417 | (set-text-properties 0 (length string) nil string) | |
1418 | s) | |
1419 | (error string))) | |
1420 | ||
23f87bed MB |
1421 | ;; This might use `compare-strings' to reduce consing in the |
1422 | ;; case-insensitive case, but it has to cope with null args. | |
1423 | ;; (`string-equal' uses symbol print names.) | |
1424 | (defun gnus-string-equal (x y) | |
1425 | "Like `string-equal', except it compares case-insensitively." | |
1426 | (and (= (length x) (length y)) | |
1427 | (or (string-equal x y) | |
1428 | (string-equal (downcase x) (downcase y))))) | |
1429 | ||
1430 | (defcustom gnus-use-byte-compile t | |
1431 | "If non-nil, byte-compile crucial run-time code. | |
1432 | Setting it to nil has no effect after the first time `gnus-byte-compile' | |
1433 | is run." | |
1434 | :type 'boolean | |
bf247b6e | 1435 | :version "22.1" |
23f87bed MB |
1436 | :group 'gnus-various) |
1437 | ||
1438 | (defun gnus-byte-compile (form) | |
1439 | "Byte-compile FORM if `gnus-use-byte-compile' is non-nil." | |
1440 | (if gnus-use-byte-compile | |
1441 | (progn | |
1442 | (condition-case nil | |
1443 | ;; Work around a bug in XEmacs 21.4 | |
1444 | (require 'byte-optimize) | |
1445 | (error)) | |
1446 | (require 'bytecomp) | |
1447 | (defalias 'gnus-byte-compile | |
1448 | (lambda (form) | |
1449 | (let ((byte-compile-warnings '(unresolved callargs redefine))) | |
1450 | (byte-compile form)))) | |
1451 | (gnus-byte-compile form)) | |
1452 | form)) | |
1453 | ||
1454 | (defun gnus-remassoc (key alist) | |
1455 | "Delete by side effect any elements of LIST whose car is `equal' to KEY. | |
1456 | The modified LIST is returned. If the first member | |
1457 | of LIST has a car that is `equal' to KEY, there is no way to remove it | |
54506618 | 1458 | by side effect; therefore, write `(setq foo (gnus-remassoc key foo))' to be |
23f87bed MB |
1459 | sure of changing the value of `foo'." |
1460 | (when alist | |
1461 | (if (equal key (caar alist)) | |
1462 | (cdr alist) | |
1463 | (setcdr alist (gnus-remassoc key (cdr alist))) | |
1464 | alist))) | |
1465 | ||
1466 | (defun gnus-update-alist-soft (key value alist) | |
1467 | (if value | |
1468 | (cons (cons key value) (gnus-remassoc key alist)) | |
1469 | (gnus-remassoc key alist))) | |
1470 | ||
1471 | (defun gnus-create-info-command (node) | |
1472 | "Create a command that will go to info NODE." | |
1473 | `(lambda () | |
1474 | (interactive) | |
1475 | ,(concat "Enter the info system at node " node) | |
1476 | (Info-goto-node ,node) | |
1477 | (setq gnus-info-buffer (current-buffer)) | |
1478 | (gnus-configure-windows 'info))) | |
1479 | ||
1480 | (defun gnus-not-ignore (&rest args) | |
1481 | t) | |
1482 | ||
47b63dfa SZ |
1483 | (defvar gnus-directory-sep-char-regexp "/" |
1484 | "The regexp of directory separator character. | |
1485 | If you find some problem with the directory separator character, try | |
1486 | \"[/\\\\\]\" for some systems.") | |
1487 | ||
23f87bed MB |
1488 | (defun gnus-url-unhex (x) |
1489 | (if (> x ?9) | |
1490 | (if (>= x ?a) | |
1491 | (+ 10 (- x ?a)) | |
1492 | (+ 10 (- x ?A))) | |
1493 | (- x ?0))) | |
1494 | ||
1495 | ;; Fixme: Do it like QP. | |
1496 | (defun gnus-url-unhex-string (str &optional allow-newlines) | |
1497 | "Remove %XX, embedded spaces, etc in a url. | |
1498 | If optional second argument ALLOW-NEWLINES is non-nil, then allow the | |
1499 | decoding of carriage returns and line feeds in the string, which is normally | |
1500 | forbidden in URL encoding." | |
1501 | (let ((tmp "") | |
1502 | (case-fold-search t)) | |
1503 | (while (string-match "%[0-9a-f][0-9a-f]" str) | |
1504 | (let* ((start (match-beginning 0)) | |
1505 | (ch1 (gnus-url-unhex (elt str (+ start 1)))) | |
1506 | (code (+ (* 16 ch1) | |
1507 | (gnus-url-unhex (elt str (+ start 2)))))) | |
1508 | (setq tmp (concat | |
1509 | tmp (substring str 0 start) | |
1510 | (cond | |
1511 | (allow-newlines | |
1512 | (char-to-string code)) | |
1513 | ((or (= code ?\n) (= code ?\r)) | |
1514 | " ") | |
1515 | (t (char-to-string code)))) | |
1516 | str (substring str (match-end 0))))) | |
1517 | (setq tmp (concat tmp str)) | |
1518 | tmp)) | |
1519 | ||
1520 | (defun gnus-make-predicate (spec) | |
1521 | "Transform SPEC into a function that can be called. | |
1522 | SPEC is a predicate specifier that contains stuff like `or', `and', | |
1523 | `not', lists and functions. The functions all take one parameter." | |
1524 | `(lambda (elem) ,(gnus-make-predicate-1 spec))) | |
1525 | ||
1526 | (defun gnus-make-predicate-1 (spec) | |
1527 | (cond | |
1528 | ((symbolp spec) | |
1529 | `(,spec elem)) | |
1530 | ((listp spec) | |
1531 | (if (memq (car spec) '(or and not)) | |
1532 | `(,(car spec) ,@(mapcar 'gnus-make-predicate-1 (cdr spec))) | |
1533 | (error "Invalid predicate specifier: %s" spec))))) | |
1534 | ||
23f87bed MB |
1535 | (defun gnus-completing-read (prompt table &optional predicate require-match |
1536 | history) | |
1537 | (when (and history | |
1538 | (not (boundp history))) | |
1539 | (set history nil)) | |
01c52d31 | 1540 | (completing-read |
23f87bed MB |
1541 | (if (symbol-value history) |
1542 | (concat prompt " (" (car (symbol-value history)) "): ") | |
1543 | (concat prompt ": ")) | |
1544 | table | |
1545 | predicate | |
1546 | require-match | |
1547 | nil | |
1548 | history | |
1549 | (car (symbol-value history)))) | |
1550 | ||
1551 | (defun gnus-graphic-display-p () | |
1552 | (or (and (fboundp 'display-graphic-p) | |
1553 | (display-graphic-p)) | |
1554 | ;;;!!!This is bogus. Fixme! | |
1555 | (and (featurep 'xemacs) | |
1556 | t))) | |
1557 | ||
1558 | (put 'gnus-parse-without-error 'lisp-indent-function 0) | |
1559 | (put 'gnus-parse-without-error 'edebug-form-spec '(body)) | |
1560 | ||
1561 | (defmacro gnus-parse-without-error (&rest body) | |
1562 | "Allow continuing onto the next line even if an error occurs." | |
1563 | `(while (not (eobp)) | |
1564 | (condition-case () | |
1565 | (progn | |
1566 | ,@body | |
1567 | (goto-char (point-max))) | |
1568 | (error | |
1569 | (gnus-error 4 "Invalid data on line %d" | |
1570 | (count-lines (point-min) (point))) | |
1571 | (forward-line 1))))) | |
1572 | ||
1573 | (defun gnus-cache-file-contents (file variable function) | |
1574 | "Cache the contents of FILE in VARIABLE. The contents come from FUNCTION." | |
1575 | (let ((time (nth 5 (file-attributes file))) | |
1576 | contents value) | |
1577 | (if (or (null (setq value (symbol-value variable))) | |
1578 | (not (equal (car value) file)) | |
1579 | (not (equal (nth 1 value) time))) | |
1580 | (progn | |
1581 | (setq contents (funcall function file)) | |
1582 | (set variable (list file time contents)) | |
1583 | contents) | |
1584 | (nth 2 value)))) | |
1585 | ||
1586 | (defun gnus-multiple-choice (prompt choice &optional idx) | |
1587 | "Ask user a multiple choice question. | |
1588 | CHOICE is a list of the choice char and help message at IDX." | |
1589 | (let (tchar buf) | |
1590 | (save-window-excursion | |
1591 | (save-excursion | |
1592 | (while (not tchar) | |
1593 | (message "%s (%s): " | |
1594 | prompt | |
1595 | (concat | |
1596 | (mapconcat (lambda (s) (char-to-string (car s))) | |
1597 | choice ", ") ", ?")) | |
1598 | (setq tchar (read-char)) | |
1599 | (when (not (assq tchar choice)) | |
1600 | (setq tchar nil) | |
1601 | (setq buf (get-buffer-create "*Gnus Help*")) | |
1602 | (pop-to-buffer buf) | |
1603 | (fundamental-mode) ; for Emacs 20.4+ | |
1604 | (buffer-disable-undo) | |
1605 | (erase-buffer) | |
1606 | (insert prompt ":\n\n") | |
1607 | (let ((max -1) | |
1608 | (list choice) | |
1609 | (alist choice) | |
1610 | (idx (or idx 1)) | |
1611 | (i 0) | |
1612 | n width pad format) | |
1613 | ;; find the longest string to display | |
1614 | (while list | |
1615 | (setq n (length (nth idx (car list)))) | |
1616 | (unless (> max n) | |
1617 | (setq max n)) | |
1618 | (setq list (cdr list))) | |
1619 | (setq max (+ max 4)) ; %c, `:', SPACE, a SPACE at end | |
1620 | (setq n (/ (1- (window-width)) max)) ; items per line | |
1621 | (setq width (/ (1- (window-width)) n)) ; width of each item | |
1622 | ;; insert `n' items, each in a field of width `width' | |
1623 | (while alist | |
1624 | (if (< i n) | |
1625 | () | |
1626 | (setq i 0) | |
1627 | (delete-char -1) ; the `\n' takes a char | |
1628 | (insert "\n")) | |
1629 | (setq pad (- width 3)) | |
1630 | (setq format (concat "%c: %-" (int-to-string pad) "s")) | |
1631 | (insert (format format (caar alist) (nth idx (car alist)))) | |
1632 | (setq alist (cdr alist)) | |
1633 | (setq i (1+ i)))))))) | |
1634 | (if (buffer-live-p buf) | |
1635 | (kill-buffer buf)) | |
1636 | tchar)) | |
1637 | ||
dbb6c370 | 1638 | (declare-function x-focus-frame "xfns.c" (frame)) |
88bfa2e4 GM |
1639 | (declare-function w32-focus-frame "../term/w32-win" (frame)) |
1640 | ||
23f87bed MB |
1641 | (defun gnus-select-frame-set-input-focus (frame) |
1642 | "Select FRAME, raise it, and set input focus, if possible." | |
1643 | (cond ((featurep 'xemacs) | |
f67d6742 MB |
1644 | (if (fboundp 'select-frame-set-input-focus) |
1645 | (select-frame-set-input-focus frame) | |
1646 | (raise-frame frame) | |
1647 | (select-frame frame) | |
1648 | (focus-frame frame))) | |
1649 | ;; `select-frame-set-input-focus' defined in Emacs 21 will not | |
1650 | ;; set the input focus. | |
1651 | ((>= emacs-major-version 22) | |
1652 | (select-frame-set-input-focus frame)) | |
23f87bed MB |
1653 | (t |
1654 | (raise-frame frame) | |
1655 | (select-frame frame) | |
d221466a | 1656 | (cond ((memq window-system '(x ns mac)) |
23f87bed MB |
1657 | (x-focus-frame frame)) |
1658 | ((eq window-system 'w32) | |
d221466a | 1659 | (w32-focus-frame frame))) |
23f87bed MB |
1660 | (when focus-follows-mouse |
1661 | (set-mouse-position frame (1- (frame-width frame)) 0))))) | |
1662 | ||
1663 | (defun gnus-frame-or-window-display-name (object) | |
1664 | "Given a frame or window, return the associated display name. | |
1665 | Return nil otherwise." | |
1666 | (if (featurep 'xemacs) | |
1667 | (device-connection (dfw-device object)) | |
1668 | (if (or (framep object) | |
1669 | (and (windowp object) | |
1670 | (setq object (window-frame object)))) | |
1671 | (let ((display (frame-parameter object 'display))) | |
1672 | (if (and (stringp display) | |
1673 | ;; Exclude invalid display names. | |
1674 | (string-match "\\`[^:]*:[0-9]+\\(\\.[0-9]+\\)?\\'" | |
1675 | display)) | |
1676 | display))))) | |
1677 | ||
9efa445f | 1678 | (defvar tool-bar-mode) |
531bedc3 | 1679 | |
85fd8002 RS |
1680 | (defun gnus-tool-bar-update (&rest ignore) |
1681 | "Update the tool bar." | |
1682 | (when (and (boundp 'tool-bar-mode) | |
1683 | tool-bar-mode) | |
1684 | (let* ((args nil) | |
1685 | (func (cond ((featurep 'xemacs) | |
1686 | 'ignore) | |
1687 | ((fboundp 'tool-bar-update) | |
1688 | 'tool-bar-update) | |
1689 | ((fboundp 'force-window-update) | |
1690 | 'force-window-update) | |
1691 | ((fboundp 'redraw-frame) | |
1692 | (setq args (list (selected-frame))) | |
1693 | 'redraw-frame) | |
1694 | (t 'ignore)))) | |
1695 | (apply func args)))) | |
1696 | ||
23f87bed MB |
1697 | ;; Fixme: This has only one use (in gnus-agent), which isn't worthwhile. |
1698 | (defmacro gnus-mapcar (function seq1 &rest seqs2_n) | |
1699 | "Apply FUNCTION to each element of the sequences, and make a list of the results. | |
1700 | If there are several sequences, FUNCTION is called with that many arguments, | |
1701 | and mapping stops as soon as the shortest sequence runs out. With just one | |
1702 | sequence, this is like `mapcar'. With several, it is like the Common Lisp | |
1703 | `mapcar' function extended to arbitrary sequence types." | |
1704 | ||
1705 | (if seqs2_n | |
1706 | (let* ((seqs (cons seq1 seqs2_n)) | |
1707 | (cnt 0) | |
1708 | (heads (mapcar (lambda (seq) | |
1709 | (make-symbol (concat "head" | |
1710 | (int-to-string | |
1711 | (setq cnt (1+ cnt)))))) | |
1712 | seqs)) | |
1713 | (result (make-symbol "result")) | |
1714 | (result-tail (make-symbol "result-tail"))) | |
1715 | `(let* ,(let* ((bindings (cons nil nil)) | |
1716 | (heads heads)) | |
1717 | (nconc bindings (list (list result '(cons nil nil)))) | |
1718 | (nconc bindings (list (list result-tail result))) | |
1719 | (while heads | |
1720 | (nconc bindings (list (list (pop heads) (pop seqs))))) | |
1721 | (cdr bindings)) | |
1722 | (while (and ,@heads) | |
1723 | (setcdr ,result-tail (cons (funcall ,function | |
1724 | ,@(mapcar (lambda (h) (list 'car h)) | |
1725 | heads)) | |
1726 | nil)) | |
1727 | (setq ,result-tail (cdr ,result-tail) | |
1728 | ,@(apply 'nconc (mapcar (lambda (h) (list h (list 'cdr h))) heads)))) | |
1729 | (cdr ,result))) | |
1730 | `(mapcar ,function ,seq1))) | |
1731 | ||
1732 | (if (fboundp 'merge) | |
1733 | (defalias 'gnus-merge 'merge) | |
1734 | ;; Adapted from cl-seq.el | |
1735 | (defun gnus-merge (type list1 list2 pred) | |
1736 | "Destructively merge lists LIST1 and LIST2 to produce a new list. | |
1737 | Argument TYPE is for compatibility and ignored. | |
1738 | Ordering of the elements is preserved according to PRED, a `less-than' | |
1739 | predicate on the elements." | |
1740 | (let ((res nil)) | |
1741 | (while (and list1 list2) | |
1742 | (if (funcall pred (car list2) (car list1)) | |
1743 | (push (pop list2) res) | |
1744 | (push (pop list1) res))) | |
1745 | (nconc (nreverse res) list1 list2)))) | |
1746 | ||
9efa445f DN |
1747 | (defvar xemacs-codename) |
1748 | (defvar sxemacs-codename) | |
1749 | (defvar emacs-program-version) | |
23f87bed MB |
1750 | |
1751 | (defun gnus-emacs-version () | |
1752 | "Stringified Emacs version." | |
4a2358e9 MB |
1753 | (let* ((lst (if (listp gnus-user-agent) |
1754 | gnus-user-agent | |
1755 | '(gnus emacs type))) | |
1756 | (system-v (cond ((memq 'config lst) | |
1757 | system-configuration) | |
1758 | ((memq 'type lst) | |
1759 | (symbol-name system-type)) | |
1760 | (t nil))) | |
1761 | codename emacsname) | |
1762 | (cond ((featurep 'sxemacs) | |
1763 | (setq emacsname "SXEmacs" | |
1764 | codename sxemacs-codename)) | |
1765 | ((featurep 'xemacs) | |
1766 | (setq emacsname "XEmacs" | |
1767 | codename xemacs-codename)) | |
1768 | (t | |
1769 | (setq emacsname "Emacs"))) | |
23f87bed | 1770 | (cond |
4a2358e9 | 1771 | ((not (memq 'emacs lst)) |
23f87bed MB |
1772 | nil) |
1773 | ((string-match "^\\(\\([.0-9]+\\)*\\)\\.[0-9]+$" emacs-version) | |
4a2358e9 | 1774 | ;; Emacs: |
23f87bed MB |
1775 | (concat "Emacs/" (match-string 1 emacs-version) |
1776 | (if system-v | |
1777 | (concat " (" system-v ")") | |
1778 | ""))) | |
4a2358e9 MB |
1779 | ((or (featurep 'sxemacs) (featurep 'xemacs)) |
1780 | ;; XEmacs or SXEmacs: | |
1781 | (concat emacsname "/" emacs-program-version | |
01c52d31 MB |
1782 | (let (plst) |
1783 | (when (memq 'codename lst) | |
1784 | (push codename plst)) | |
1785 | (when system-v | |
1786 | (push system-v plst)) | |
1787 | (unless (featurep 'mule) | |
1788 | (push "no MULE" plst)) | |
1789 | (when (> (length plst) 0) | |
1790 | (concat | |
1791 | " (" (mapconcat 'identity (reverse plst) ", ") ")"))))) | |
23f87bed MB |
1792 | (t emacs-version)))) |
1793 | ||
54506618 MB |
1794 | (defun gnus-rename-file (old-path new-path &optional trim) |
1795 | "Rename OLD-PATH as NEW-PATH. If TRIM, recursively delete | |
1796 | empty directories from OLD-PATH." | |
1797 | (when (file-exists-p old-path) | |
1798 | (let* ((old-dir (file-name-directory old-path)) | |
1799 | (old-name (file-name-nondirectory old-path)) | |
1800 | (new-dir (file-name-directory new-path)) | |
1801 | (new-name (file-name-nondirectory new-path)) | |
1802 | temp) | |
1803 | (gnus-make-directory new-dir) | |
1804 | (rename-file old-path new-path t) | |
1805 | (when trim | |
1806 | (while (progn (setq temp (directory-files old-dir)) | |
1807 | (while (member (car temp) '("." "..")) | |
1808 | (setq temp (cdr temp))) | |
1809 | (= (length temp) 0)) | |
1810 | (delete-directory old-dir) | |
bf247b6e KS |
1811 | (setq old-dir (file-name-as-directory |
1812 | (file-truename | |
54506618 MB |
1813 | (concat old-dir ".."))))))))) |
1814 | ||
01c52d31 MB |
1815 | (defun gnus-set-file-modes (filename mode) |
1816 | "Wrapper for set-file-modes." | |
1817 | (ignore-errors | |
1818 | (set-file-modes filename mode))) | |
1819 | ||
4a43ee9b MB |
1820 | (if (fboundp 'set-process-query-on-exit-flag) |
1821 | (defalias 'gnus-set-process-query-on-exit-flag | |
1822 | 'set-process-query-on-exit-flag) | |
1823 | (defalias 'gnus-set-process-query-on-exit-flag | |
1824 | 'process-kill-without-query)) | |
54506618 | 1825 | |
996aa8c1 MB |
1826 | (if (fboundp 'with-local-quit) |
1827 | (defalias 'gnus-with-local-quit 'with-local-quit) | |
1828 | (defmacro gnus-with-local-quit (&rest body) | |
1829 | "Execute BODY, allowing quits to terminate BODY but not escape further. | |
1830 | When a quit terminates BODY, `gnus-with-local-quit' returns nil but | |
1831 | requests another quit. That quit will be processed as soon as quitting | |
1832 | is allowed once again. (Immediately, if `inhibit-quit' is nil.)" | |
1833 | ;;(declare (debug t) (indent 0)) | |
1834 | `(condition-case nil | |
1835 | (let ((inhibit-quit nil)) | |
1836 | ,@body) | |
1837 | (quit (setq quit-flag t) | |
1838 | ;; This call is to give a chance to handle quit-flag | |
1839 | ;; in case inhibit-quit is nil. | |
1840 | ;; Without this, it will not be handled until the next function | |
1841 | ;; call, and that might allow it to exit thru a condition-case | |
1842 | ;; that intends to handle the quit signal next time. | |
1843 | (eval '(ignore nil)))))) | |
1844 | ||
d346bf7e SM |
1845 | (defalias 'gnus-read-shell-command |
1846 | (if (fboundp 'read-shell-command) 'read-shell-command 'read-string)) | |
1847 | ||
2b968687 MB |
1848 | (defmacro gnus-put-display-table (range value display-table) |
1849 | "Set the value for char RANGE to VALUE in DISPLAY-TABLE. " | |
1850 | (if (featurep 'xemacs) | |
1851 | (progn | |
1852 | `(if (fboundp 'put-display-table) | |
1853 | (put-display-table ,range ,value ,display-table) | |
1854 | (if (sequencep ,display-table) | |
1855 | (aset ,display-table ,range ,value) | |
1856 | (put-char-table ,range ,value ,display-table)))) | |
1857 | `(aset ,display-table ,range ,value))) | |
1858 | ||
1859 | (defmacro gnus-get-display-table (character display-table) | |
1860 | "Find value for CHARACTER in DISPLAY-TABLE. " | |
1861 | (if (featurep 'xemacs) | |
1862 | `(if (fboundp 'get-display-table) | |
1863 | (get-display-table ,character ,display-table) | |
1864 | (if (sequencep ,display-table) | |
1865 | (aref ,display-table ,character) | |
1866 | (get-char-table ,character ,display-table))) | |
1867 | `(aref ,display-table ,character))) | |
1868 | ||
eec82323 LMI |
1869 | (provide 'gnus-util) |
1870 | ||
cbee283d | 1871 | ;; arch-tag: f94991af-d32b-4c97-8c26-ca12a934de49 |
eec82323 | 1872 | ;;; gnus-util.el ends here |