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23f87bed | 1 | ;;; sieve.el --- Utilities to manage sieve scripts |
e84b4b86 | 2 | |
73b0cd50 | 3 | ;; Copyright (C) 2001-2011 Free Software Foundation, Inc. |
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4 | |
5 | ;; Author: Simon Josefsson <simon@josefsson.org> | |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
5e809f55 | 9 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
23f87bed | 10 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
11 | ;; the Free Software Foundation, either version 3 of the License, or |
12 | ;; (at your option) any later version. | |
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13 | |
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
5e809f55 | 16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | ;; GNU General Public License for more details. |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 20 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
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21 | |
22 | ;;; Commentary: | |
23 | ||
24 | ;; This file contain utilities to facilate upload, download and | |
25 | ;; general management of sieve scripts. Currently only the | |
26 | ;; Managesieve protocol is supported (using sieve-manage.el), but when | |
27 | ;; (useful) alternatives become available, they might be supported as | |
28 | ;; well. | |
29 | ;; | |
30 | ;; The cursor navigation was inspired by biff-mode by Franklin Lee. | |
31 | ;; | |
32 | ;; Release history: | |
33 | ;; | |
34 | ;; 2001-10-31 Committed to Oort Gnus. | |
35 | ;; 2002-07-27 Fix down-mouse-2 and down-mouse-3 in manage-mode. Fix menubar | |
36 | ;; in manage-mode. Change some messages. Added sieve-deactivate*, | |
37 | ;; sieve-remove. Fixed help text in manage-mode. Suggested by | |
38 | ;; Ned Ludd. | |
39 | ;; | |
40 | ;; Todo: | |
41 | ;; | |
42 | ;; * Namespace? This file contains `sieve-manage' and | |
43 | ;; `sieve-manage-mode', but there is a sieve-manage.el file as well. | |
44 | ;; Can't think of a good solution though, this file need a *-mode, | |
45 | ;; and naming it `sieve-mode' would collide with sieve-mode.el. One | |
46 | ;; solution would be to come up with some better name that this file | |
47 | ;; can use that doesn't have the managesieve specific "manage" in | |
48 | ;; it. sieve-dired? i dunno. we could copy all off sieve.el into | |
49 | ;; sieve-manage.el too, but I'd like to separate the interface from | |
50 | ;; the protocol implementation since the backends are likely to | |
51 | ;; change (well). | |
52 | ;; | |
53 | ;; * Define servers? We could have a customize buffer to create a server, | |
54 | ;; with authentication/stream/etc parameters, much like Gnus, and then | |
55 | ;; only use names of defined servers when interacting with M-x sieve-*. | |
56 | ;; Right now you can't use STARTTLS, which sieve-manage.el provides | |
57 | ||
58 | ;;; Code: | |
59 | ||
60 | (require 'sieve-manage) | |
61 | (require 'sieve-mode) | |
62 | ||
63 | ;; User customizable variables: | |
64 | ||
65 | (defgroup sieve nil | |
66 | "Manage sieve scripts." | |
bf247b6e | 67 | :version "22.1" |
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68 | :group 'tools) |
69 | ||
70 | (defcustom sieve-new-script "<new script>" | |
71 | "Name of name script indicator." | |
72 | :type 'string | |
73 | :group 'sieve) | |
74 | ||
75 | (defcustom sieve-buffer "*sieve*" | |
76 | "Name of sieve management buffer." | |
77 | :type 'string | |
78 | :group 'sieve) | |
79 | ||
80 | (defcustom sieve-template "\ | |
81 | require \"fileinto\"; | |
82 | ||
83 | # Example script (remove comment character '#' to make it effective!): | |
84 | # | |
85 | # if header :contains \"from\" \"coyote\" { | |
86 | # discard; | |
87 | # } elsif header :contains [\"subject\"] [\"$$$\"] { | |
88 | # discard; | |
89 | # } else { | |
90 | # fileinto \"INBOX\"; | |
91 | # } | |
92 | " | |
93 | "Template sieve script." | |
94 | :type 'string | |
95 | :group 'sieve) | |
96 | ||
97 | ;; Internal variables: | |
98 | ||
99 | (defvar sieve-manage-buffer nil) | |
100 | (defvar sieve-buffer-header-end nil) | |
101 | ||
102 | ;; Sieve-manage mode: | |
103 | ||
104 | (defvar sieve-manage-mode-map nil | |
105 | "Keymap for `sieve-manage-mode'.") | |
106 | ||
107 | (if sieve-manage-mode-map | |
108 | () | |
109 | (setq sieve-manage-mode-map (make-sparse-keymap)) | |
110 | (suppress-keymap sieve-manage-mode-map) | |
111 | ;; various | |
112 | (define-key sieve-manage-mode-map "?" 'sieve-help) | |
113 | (define-key sieve-manage-mode-map "h" 'sieve-help) | |
114 | (define-key sieve-manage-mode-map "q" 'sieve-bury-buffer) | |
115 | ;; activating | |
116 | (define-key sieve-manage-mode-map "m" 'sieve-activate) | |
117 | (define-key sieve-manage-mode-map "u" 'sieve-deactivate) | |
118 | (define-key sieve-manage-mode-map "\M-\C-?" 'sieve-deactivate-all) | |
119 | ;; navigation keys | |
120 | (define-key sieve-manage-mode-map "\C-p" 'sieve-prev-line) | |
121 | (define-key sieve-manage-mode-map [up] 'sieve-prev-line) | |
122 | (define-key sieve-manage-mode-map "\C-n" 'sieve-next-line) | |
123 | (define-key sieve-manage-mode-map [down] 'sieve-next-line) | |
124 | (define-key sieve-manage-mode-map " " 'sieve-next-line) | |
125 | (define-key sieve-manage-mode-map "n" 'sieve-next-line) | |
126 | (define-key sieve-manage-mode-map "p" 'sieve-prev-line) | |
127 | (define-key sieve-manage-mode-map "\C-m" 'sieve-edit-script) | |
128 | (define-key sieve-manage-mode-map "f" 'sieve-edit-script) | |
129 | (define-key sieve-manage-mode-map "o" 'sieve-edit-script-other-window) | |
130 | (define-key sieve-manage-mode-map "r" 'sieve-remove) | |
131 | (define-key sieve-manage-mode-map [(down-mouse-2)] 'sieve-edit-script) | |
132 | (define-key sieve-manage-mode-map [(down-mouse-3)] 'sieve-manage-mode-menu)) | |
133 | ||
134 | (easy-menu-define sieve-manage-mode-menu sieve-manage-mode-map | |
135 | "Sieve Menu." | |
136 | '("Manage Sieve" | |
137 | ["Edit script" sieve-edit-script t] | |
138 | ["Activate script" sieve-activate t] | |
139 | ["Deactivate script" sieve-deactivate t])) | |
140 | ||
141 | (define-derived-mode sieve-manage-mode fundamental-mode "SIEVE" | |
142 | "Mode used for sieve script management." | |
143 | (setq mode-name "SIEVE") | |
144 | (buffer-disable-undo (current-buffer)) | |
145 | (setq truncate-lines t) | |
01c52d31 | 146 | (easy-menu-add sieve-manage-mode-menu sieve-manage-mode-map)) |
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147 | |
148 | (put 'sieve-manage-mode 'mode-class 'special) | |
149 | ||
150 | ;; This is necessary to allow correct handling of \\[cvs-mode-diff-map] | |
151 | ;; in substitute-command-keys. | |
152 | ;(fset 'sieve-manage-mode-map sieve-manage-mode-map) | |
153 | ||
154 | ;; Commands used in sieve-manage mode: | |
155 | ||
156 | (defun sieve-activate (&optional pos) | |
157 | (interactive "d") | |
158 | (let ((name (sieve-script-at-point)) err) | |
159 | (when (or (null name) (string-equal name sieve-new-script)) | |
160 | (error "No sieve script at point")) | |
161 | (message "Activating script %s..." name) | |
162 | (setq err (sieve-manage-setactive name sieve-manage-buffer)) | |
163 | (sieve-refresh-scriptlist) | |
164 | (if (sieve-manage-ok-p err) | |
165 | (message "Activating script %s...done" name) | |
166 | (message "Activating script %s...failed: %s" name (nth 2 err))))) | |
167 | ||
168 | (defun sieve-deactivate-all (&optional pos) | |
169 | (interactive "d") | |
170 | (let ((name (sieve-script-at-point)) err) | |
171 | (message "Deactivating scripts...") | |
172 | (setq err (sieve-manage-setactive "" sieve-manage-buffer)) | |
173 | (sieve-refresh-scriptlist) | |
174 | (if (sieve-manage-ok-p err) | |
175 | (message "Deactivating scripts...done") | |
176 | (message "Deactivating scripts...failed: %s" (nth 2 err))))) | |
177 | ||
178 | (defalias 'sieve-deactivate 'sieve-deactivate-all) | |
179 | ||
180 | (defun sieve-remove (&optional pos) | |
181 | (interactive "d") | |
182 | (let ((name (sieve-script-at-point)) err) | |
183 | (when (or (null name) (string-equal name sieve-new-script)) | |
184 | (error "No sieve script at point")) | |
185 | (message "Removing sieve script %s..." name) | |
186 | (setq err (sieve-manage-deletescript name sieve-manage-buffer)) | |
187 | (unless (sieve-manage-ok-p err) | |
188 | (error "Removing sieve script %s...failed: " err)) | |
189 | (sieve-refresh-scriptlist) | |
190 | (message "Removing sieve script %s...done" name))) | |
191 | ||
192 | (defun sieve-edit-script (&optional pos) | |
193 | (interactive "d") | |
194 | (let ((name (sieve-script-at-point))) | |
195 | (unless name | |
196 | (error "No sieve script at point")) | |
197 | (if (not (string-equal name sieve-new-script)) | |
198 | (let ((newbuf (generate-new-buffer name)) | |
199 | err) | |
200 | (setq err (sieve-manage-getscript name newbuf sieve-manage-buffer)) | |
201 | (switch-to-buffer newbuf) | |
202 | (unless (sieve-manage-ok-p err) | |
203 | (error "Sieve download failed: %s" err))) | |
204 | (switch-to-buffer (get-buffer-create "template.siv")) | |
205 | (insert sieve-template)) | |
206 | (sieve-mode) | |
207 | (message "Press C-c C-l to upload script to server."))) | |
208 | ||
209 | (defmacro sieve-change-region (&rest body) | |
210 | "Turns off sieve-region before executing BODY, then re-enables it after. | |
211 | Used to bracket operations which move point in the sieve-buffer." | |
212 | `(progn | |
213 | (sieve-highlight nil) | |
214 | ,@body | |
215 | (sieve-highlight t))) | |
216 | (put 'sieve-change-region 'lisp-indent-function 0) | |
217 | ||
218 | (defun sieve-next-line (&optional arg) | |
219 | (interactive) | |
220 | (unless arg | |
221 | (setq arg 1)) | |
222 | (if (save-excursion | |
223 | (forward-line arg) | |
224 | (sieve-script-at-point)) | |
225 | (sieve-change-region | |
226 | (forward-line arg)) | |
227 | (message "End of list"))) | |
228 | ||
229 | (defun sieve-prev-line (&optional arg) | |
230 | (interactive) | |
231 | (unless arg | |
232 | (setq arg -1)) | |
233 | (if (save-excursion | |
234 | (forward-line arg) | |
235 | (sieve-script-at-point)) | |
236 | (sieve-change-region | |
237 | (forward-line arg)) | |
238 | (message "Beginning of list"))) | |
239 | ||
240 | (defun sieve-help () | |
241 | "Display help for various sieve commands." | |
242 | (interactive) | |
243 | (if (eq last-command 'sieve-help) | |
244 | ;; would need minor-mode for log-edit-mode | |
245 | (describe-function 'sieve-mode) | |
c4fbd740 | 246 | (message "%s" (substitute-command-keys |
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247 | "`\\[sieve-edit-script]':edit `\\[sieve-activate]':activate `\\[sieve-deactivate]':deactivate `\\[sieve-remove]':remove")))) |
248 | ||
249 | (defun sieve-bury-buffer (buf &optional mainbuf) | |
250 | "Hide the buffer BUF that was temporarily popped up. | |
251 | BUF is assumed to be a temporary buffer used from the buffer MAINBUF." | |
252 | (interactive (list (current-buffer))) | |
253 | (save-current-buffer | |
254 | (let ((win (if (eq buf (window-buffer (selected-window))) (selected-window) | |
255 | (get-buffer-window buf t)))) | |
256 | (when win | |
257 | (if (window-dedicated-p win) | |
258 | (condition-case () | |
259 | (delete-window win) | |
260 | (error (iconify-frame (window-frame win)))) | |
261 | (if (and mainbuf (get-buffer-window mainbuf)) | |
262 | (delete-window win))))) | |
263 | (with-current-buffer buf | |
264 | (bury-buffer (unless (and (eq buf (window-buffer (selected-window))) | |
265 | (not (window-dedicated-p (selected-window)))) | |
266 | buf))) | |
267 | (when mainbuf | |
268 | (let ((mainwin (or (get-buffer-window mainbuf) | |
269 | (get-buffer-window mainbuf 'visible)))) | |
270 | (when mainwin (select-window mainwin)))))) | |
271 | ||
272 | ;; Create buffer: | |
273 | ||
274 | (defun sieve-setup-buffer (server port) | |
275 | (setq buffer-read-only nil) | |
276 | (erase-buffer) | |
277 | (buffer-disable-undo) | |
278 | (insert "\ | |
279 | Server : " server ":" (or port "2000") " | |
280 | ||
281 | ") | |
282 | (set (make-local-variable 'sieve-buffer-header-end) | |
283 | (point-max))) | |
284 | ||
285 | (defun sieve-script-at-point (&optional pos) | |
286 | "Return name of sieve script at point POS, or nil." | |
287 | (interactive "d") | |
288 | (get-char-property (or pos (point)) 'script-name)) | |
289 | ||
290 | (eval-and-compile | |
a445370f DN |
291 | (defalias 'sieve-make-overlay (if (featurep 'xemacs) |
292 | 'make-extent | |
293 | 'make-overlay)) | |
294 | (defalias 'sieve-overlay-put (if (featurep 'xemacs) | |
295 | 'set-extent-property | |
296 | 'overlay-put)) | |
297 | (defalias 'sieve-overlays-at (if (featurep 'xemacs) | |
298 | 'extents-at | |
299 | 'overlays-at))) | |
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300 | |
301 | (defun sieve-highlight (on) | |
302 | "Turn ON or off highlighting on the current language overlay." | |
303 | (sieve-overlay-put (car (sieve-overlays-at (point))) | |
304 | 'face (if on 'highlight 'default))) | |
305 | ||
306 | (defun sieve-insert-scripts (scripts) | |
307 | "Format and insert LANGUAGE-LIST strings into current buffer at point." | |
308 | (while scripts | |
309 | (let ((p (point)) | |
310 | (ext nil) | |
311 | (script (pop scripts))) | |
312 | (if (consp script) | |
313 | (insert (format " ACTIVE %s" (cdr script))) | |
314 | (insert (format " %s" script))) | |
315 | (setq ext (sieve-make-overlay p (point))) | |
316 | (sieve-overlay-put ext 'mouse-face 'highlight) | |
317 | (sieve-overlay-put ext 'script-name (if (consp script) | |
318 | (cdr script) | |
319 | script)) | |
320 | (insert "\n")))) | |
321 | ||
322 | (defun sieve-open-server (server &optional port) | |
fd9ba500 | 323 | "Open SERVER (on PORT) and authenticate." |
1d8e1f78 | 324 | (with-current-buffer |
980f570a GM |
325 | (or ;; open server |
326 | (set (make-local-variable 'sieve-manage-buffer) | |
327 | (sieve-manage-open server)) | |
328 | (error "Error opening server %s" server)) | |
fd9ba500 | 329 | (sieve-manage-authenticate))) |
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330 | |
331 | (defun sieve-refresh-scriptlist () | |
332 | (interactive) | |
333 | (with-current-buffer sieve-buffer | |
334 | (setq buffer-read-only nil) | |
335 | (delete-region (or sieve-buffer-header-end (point-max)) (point-max)) | |
336 | (goto-char (point-max)) | |
337 | ;; get list of script names and print them | |
338 | (let ((scripts (sieve-manage-listscripts sieve-manage-buffer))) | |
339 | (if (null scripts) | |
340 | (insert (format (concat "No scripts on server, press RET on %s to " | |
341 | "create a new script.\n") sieve-new-script)) | |
342 | (insert (format (concat "%d script%s on server, press RET on a script " | |
343 | "name edits it, or\npress RET on %s to create " | |
344 | "a new script.\n") (length scripts) | |
345 | (if (eq (length scripts) 1) "" "s") | |
346 | sieve-new-script))) | |
347 | (save-excursion | |
348 | (sieve-insert-scripts (list sieve-new-script)) | |
349 | (sieve-insert-scripts scripts))) | |
350 | (sieve-highlight t) | |
351 | (setq buffer-read-only t))) | |
352 | ||
353 | ;;;###autoload | |
354 | (defun sieve-manage (server &optional port) | |
355 | (interactive "sServer: ") | |
356 | (switch-to-buffer (get-buffer-create sieve-buffer)) | |
357 | (sieve-manage-mode) | |
358 | (sieve-setup-buffer server port) | |
359 | (if (sieve-open-server server port) | |
360 | (sieve-refresh-scriptlist) | |
361 | (message "Could not open server %s" server))) | |
362 | ||
363 | ;;;###autoload | |
364 | (defun sieve-upload (&optional name) | |
365 | (interactive) | |
366 | (unless name | |
367 | (setq name (buffer-name))) | |
368 | (when (or (get-buffer sieve-buffer) (call-interactively 'sieve-manage)) | |
369 | (let ((script (buffer-string)) err) | |
370 | (with-current-buffer (get-buffer sieve-buffer) | |
371 | (setq err (sieve-manage-putscript name script sieve-manage-buffer)) | |
372 | (if (sieve-manage-ok-p err) | |
373 | (message (concat | |
374 | "Sieve upload done. Use `C-c RET' to manage scripts.")) | |
375 | (message "Sieve upload failed: %s" (nth 2 err))))))) | |
376 | ||
377 | ;;;###autoload | |
378 | (defun sieve-upload-and-bury (&optional name) | |
379 | (interactive) | |
380 | (sieve-upload name) | |
381 | (bury-buffer)) | |
382 | ||
383 | (provide 'sieve) | |
384 | ||
23f87bed | 385 | ;; sieve.el ends here |