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date Mon, 13 Aug 2007 08:45:50 +0200
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1 ;;; mh-funcs --- mh-e functions not everyone will use right away
2 ;; Time-stamp: <95/08/19 16:44:06 gildea>
3
4 ;; Copyright (C) 1993, 1995 Free Software Foundation, Inc.
5
6 ;; This file is part of mh-e, part of GNU Emacs.
7
8 ;; GNU Emacs is free software; you can redistribute it and/or modify
9 ;; it under the terms of the GNU General Public License as published by
10 ;; the Free Software Foundation; either version 2, or (at your option)
11 ;; any later version.
12
13 ;; GNU Emacs is distributed in the hope that it will be useful,
14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 ;; GNU General Public License for more details.
17
18 ;; You should have received a copy of the GNU General Public License
19 ;; along with GNU Emacs; see the file COPYING. If not, write to
20 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21
22 ;;; Commentary:
23
24 ;;; Internal support for mh-e package.
25 ;;; Putting these functions in a separate file lets mh-e start up faster,
26 ;;; since less Lisp code needs to be loaded all at once.
27
28 ;;; Change Log:
29
30 ;; $Id: mh-funcs.el,v 1.1.1.1 1996/12/18 03:34:38 steve Exp $
31
32 ;;; Code:
33
34 (provide 'mh-funcs)
35 (require 'mh-e)
36
37 ;;; customization
38
39 (defvar mh-sortm-args nil
40 "Extra arguments to have \\[mh-sort-folder] pass to the \"sortm\" command.
41 The arguments are passed to sortm if \\[mh-sort-folder] is given a
42 prefix argument. Normally default arguments to sortm are specified in the
43 MH profile.
44 For example, '(\"-nolimit\" \"-textfield\" \"subject\") is a useful setting.")
45
46 (defvar mh-note-copied "C"
47 "String whose first character is used to notate copied messages.")
48
49 (defvar mh-note-printed "P"
50 "String whose first character is used to notate printed messages.")
51
52 ;;; functions
53
54 (defun mh-burst-digest ()
55 "Burst apart the current message, which should be a digest.
56 The message is replaced by its table of contents and the messages from the
57 digest are inserted into the folder after that message."
58 (interactive)
59 (let ((digest (mh-get-msg-num t)))
60 (mh-process-or-undo-commands mh-current-folder)
61 (mh-set-folder-modified-p t) ; lock folder while bursting
62 (message "Bursting digest...")
63 (mh-exec-cmd "burst" mh-current-folder digest "-inplace")
64 (with-mh-folder-updating (t)
65 (beginning-of-line)
66 (delete-region (point) (point-max)))
67 (mh-regenerate-headers (format "%d-last" digest) t)
68 (mh-goto-cur-msg)
69 (message "Bursting digest...done")))
70
71
72 (defun mh-copy-msg (msg-or-seq folder)
73 "Copy the specified MESSAGE(s) to another FOLDER without deleting them.
74 Default is the displayed message. If optional prefix argument is
75 provided, then prompt for the message sequence."
76 (interactive (list (if current-prefix-arg
77 (mh-read-seq-default "Copy" t)
78 (mh-get-msg-num t))
79 (mh-prompt-for-folder "Copy to" "" t)))
80 (mh-exec-cmd "refile" msg-or-seq "-link" "-src" mh-current-folder folder)
81 (if (numberp msg-or-seq)
82 (mh-notate msg-or-seq mh-note-copied mh-cmd-note)
83 (mh-notate-seq msg-or-seq mh-note-copied mh-cmd-note)))
84
85 (defun mh-kill-folder ()
86 "Remove the current folder."
87 (interactive)
88 (if (or mh-do-not-confirm
89 (yes-or-no-p (format "Remove folder %s? " mh-current-folder)))
90 (let ((folder mh-current-folder))
91 (if (null mh-folder-list)
92 (mh-set-folder-list))
93 (mh-set-folder-modified-p t) ; lock folder to kill it
94 (mh-exec-cmd-daemon "rmf" folder)
95 (setq mh-folder-list
96 (delq (assoc folder mh-folder-list) mh-folder-list))
97 (run-hooks 'mh-folder-list-change-hook)
98 (message "Folder %s removed" folder)
99 (mh-set-folder-modified-p nil) ; so kill-buffer doesn't complain
100 (if (get-buffer mh-show-buffer)
101 (kill-buffer mh-show-buffer))
102 (kill-buffer folder))
103 (message "Folder not removed")))
104
105
106 (defun mh-list-folders ()
107 "List mail folders."
108 (interactive)
109 (with-output-to-temp-buffer mh-temp-buffer
110 (save-excursion
111 (switch-to-buffer mh-temp-buffer)
112 (erase-buffer)
113 (message "Listing folders...")
114 (mh-exec-cmd-output "folders" t (if mh-recursive-folders
115 "-recurse"
116 "-norecurse"))
117 (goto-char (point-min))
118 (message "Listing folders...done"))))
119
120
121 (defun mh-pack-folder (range)
122 "Renumber the messages of a folder to be 1..n.
123 First, offer to execute any outstanding commands for the current folder.
124 If optional prefix argument provided, prompt for the RANGE of messages
125 to display after packing. Otherwise, show the entire folder."
126 (interactive (list (if current-prefix-arg
127 (mh-read-msg-range
128 "Range to scan after packing [all]? ")
129 "all")))
130 (mh-pack-folder-1 range)
131 (mh-goto-cur-msg)
132 (message "Packing folder...done"))
133
134
135 (defun mh-pack-folder-1 (range)
136 ;; Close and pack the current folder.
137 (mh-process-or-undo-commands mh-current-folder)
138 (message "Packing folder...")
139 (mh-set-folder-modified-p t) ; lock folder while packing
140 (save-excursion
141 (mh-exec-cmd-quiet t "folder" mh-current-folder "-pack"
142 "-norecurse" "-fast"))
143 (mh-regenerate-headers range))
144
145
146 (defun mh-pipe-msg (command include-headers)
147 "Pipe the current message through the given shell COMMAND.
148 If INCLUDE-HEADERS (prefix argument) is provided, send the entire message.
149 Otherwise just send the message's body without the headers."
150 (interactive
151 (list (read-string "Shell command on message: ") current-prefix-arg))
152 (let ((msg-file-to-pipe (mh-msg-filename (mh-get-msg-num t)))
153 (message-directory default-directory))
154 (save-excursion
155 (set-buffer (get-buffer-create mh-temp-buffer))
156 (erase-buffer)
157 (insert-file-contents msg-file-to-pipe)
158 (goto-char (point-min))
159 (if (not include-headers) (search-forward "\n\n"))
160 (let ((default-directory message-directory))
161 (shell-command-on-region (point) (point-max) command nil)))))
162
163
164 (defun mh-page-digest ()
165 "Advance displayed message to next digested message."
166 (interactive)
167 (mh-in-show-buffer (mh-show-buffer)
168 ;; Go to top of screen (in case user moved point).
169 (move-to-window-line 0)
170 (let ((case-fold-search nil))
171 ;; Search for blank line and then for From:
172 (or (and (search-forward "\n\n" nil t)
173 (re-search-forward "^From:" nil t))
174 (error "No more messages in digest")))
175 ;; Go back to previous blank line, then forward to the first non-blank.
176 (search-backward "\n\n" nil t)
177 (forward-line 2)
178 (mh-recenter 0)))
179
180
181 (defun mh-page-digest-backwards ()
182 "Back up displayed message to previous digested message."
183 (interactive)
184 (mh-in-show-buffer (mh-show-buffer)
185 ;; Go to top of screen (in case user moved point).
186 (move-to-window-line 0)
187 (let ((case-fold-search nil))
188 (beginning-of-line)
189 (or (and (search-backward "\n\n" nil t)
190 (re-search-backward "^From:" nil t))
191 (error "No previous message in digest")))
192 ;; Go back to previous blank line, then forward to the first non-blank.
193 (if (search-backward "\n\n" nil t)
194 (forward-line 2))
195 (mh-recenter 0)))
196
197
198 (defun mh-print-msg (msg-or-seq)
199 "Print MESSAGE(s) (default: displayed message) on printer.
200 If optional prefix argument provided, then prompt for the message sequence.
201 The variable mh-lpr-command-format is used to generate the print command.
202 The messages are formatted by mhl. See the variable mhl-formfile."
203 (interactive (list (if current-prefix-arg
204 (reverse (mh-seq-to-msgs
205 (mh-read-seq-default "Print" t)))
206 (mh-get-msg-num t))))
207 (if (numberp msg-or-seq)
208 (message "Printing message...")
209 (message "Printing sequence..."))
210 (let ((print-command
211 (if (numberp msg-or-seq)
212 (format "%s -nobell -clear %s %s | %s"
213 (expand-file-name "mhl" mh-lib)
214 (mh-msg-filename msg-or-seq)
215 (if (stringp mhl-formfile)
216 (format "-form %s" mhl-formfile)
217 "")
218 (format mh-lpr-command-format
219 (if (numberp msg-or-seq)
220 (format "%s/%d" mh-current-folder
221 msg-or-seq)
222 (format "Sequence from %s" mh-current-folder))))
223 (format "(scan -clear %s ; %s -nobell -clear %s %s) | %s"
224 (mapconcat (function (lambda (msg) msg)) msg-or-seq " ")
225 (expand-file-name "mhl" mh-lib)
226 (if (stringp mhl-formfile)
227 (format "-form %s" mhl-formfile)
228 "")
229 (mh-msg-filenames msg-or-seq)
230 (format mh-lpr-command-format
231 (if (numberp msg-or-seq)
232 (format "%s/%d" mh-current-folder
233 msg-or-seq)
234 (format "Sequence from %s"
235 mh-current-folder)))))))
236 (if mh-print-background
237 (mh-exec-cmd-daemon shell-file-name "-c" print-command)
238 (call-process shell-file-name nil nil nil "-c" print-command))
239 (if (numberp msg-or-seq)
240 (mh-notate msg-or-seq mh-note-printed mh-cmd-note)
241 (mh-notate-seq msg-or-seq mh-note-printed mh-cmd-note))
242 (mh-add-msgs-to-seq msg-or-seq 'printed t)
243 (if (numberp msg-or-seq)
244 (message "Printing message...done")
245 (message "Printing sequence...done"))))
246
247
248 (defun mh-msg-filenames (msgs &optional folder)
249 ;; Return a list of file names for MSGS in FOLDER (default current folder).
250 (mapconcat (function (lambda (msg) (mh-msg-filename msg folder))) msgs " "))
251
252
253 (defun mh-sort-folder (&optional extra-args)
254 "Sort the messages in the current folder by date.
255 Calls the MH program sortm to do the work.
256 The arguments in the list mh-sortm-args are passed to sortm
257 if this function is passed an argument."
258 (interactive "P")
259 (mh-process-or-undo-commands mh-current-folder)
260 (setq mh-next-direction 'forward)
261 (mh-set-folder-modified-p t) ; lock folder while sorting
262 (message "Sorting folder...")
263 (mh-exec-cmd "sortm" mh-current-folder (if extra-args mh-sortm-args))
264 (message "Sorting folder...done")
265 (mh-scan-folder mh-current-folder "all"))
266
267
268 (defun mh-undo-folder (&rest ignore)
269 "Undo all pending deletes and refiles in current folder."
270 (interactive)
271 (cond ((or mh-do-not-confirm
272 (yes-or-no-p "Undo all commands in folder? "))
273 (setq mh-delete-list nil
274 mh-refile-list nil
275 mh-seq-list nil
276 mh-next-direction 'forward)
277 (with-mh-folder-updating (nil)
278 (mh-unmark-all-headers t)))
279 (t
280 (message "Commands not undone.")
281 (sit-for 2))))
282
283
284 (defun mh-store-msg (directory)
285 "Store the file(s) contained in the current message into DIRECTORY.
286 The message can contain a shar file or uuencoded file.
287 Default directory is the last directory used, or initially the value of
288 mh-store-default-directory or the current directory."
289 (interactive (list (let ((udir (or mh-store-default-directory default-directory)))
290 (read-file-name "Store message in directory: "
291 udir udir nil))))
292 (let ((msg-file-to-store (mh-msg-filename (mh-get-msg-num t))))
293 (save-excursion
294 (set-buffer (get-buffer-create mh-temp-buffer))
295 (erase-buffer)
296 (insert-file-contents msg-file-to-store)
297 (mh-store-buffer directory))))
298
299 (defun mh-store-buffer (directory)
300 "Store the file(s) contained in the current buffer into DIRECTORY.
301 The buffer can contain a shar file or uuencoded file.
302 Default directory is the last directory used, or initially the value of
303 `mh-store-default-directory' or the current directory."
304 (interactive (list (let ((udir (or mh-store-default-directory default-directory)))
305 (read-file-name "Store buffer in directory: "
306 udir udir nil))))
307 (let ((store-directory (expand-file-name directory))
308 (sh-start (save-excursion
309 (goto-char (point-min))
310 (if (re-search-forward
311 "^#![ \t]*/bin/sh\\|^#\\|^: " nil t)
312 (progn
313 ;; The "cut here" pattern was removed from above
314 ;; because it seemed to hurt more than help.
315 ;; But keep this to make it easier to put it back.
316 (if (looking-at "^[^a-z0-9\"]*cut here\\b")
317 (forward-line 1))
318 (beginning-of-line)
319 (if (looking-at "^[#:]....+\n\\( ?\n\\)?end$")
320 nil ;most likely end of a uuencode
321 (point))))))
322 (log-buffer (get-buffer-create "*Store Output*"))
323 (command "sh")
324 (uudecode-filename "(unknown filename)"))
325 (if (not sh-start)
326 (save-excursion
327 (goto-char (point-min))
328 (if (re-search-forward "^begin [0-7]+ " nil t)
329 (setq uudecode-filename
330 (buffer-substring (point)
331 (progn (end-of-line) (point)))))))
332 (save-excursion
333 (set-buffer log-buffer)
334 (erase-buffer)
335 (if (not (file-directory-p store-directory))
336 (progn
337 (insert "mkdir " directory "\n")
338 (call-process "mkdir" nil log-buffer t store-directory)))
339 (insert "cd " directory "\n")
340 (setq mh-store-default-directory directory)
341 (if (not sh-start)
342 (progn
343 (setq command "uudecode")
344 (insert uudecode-filename " being uudecoded...\n"))))
345 (set-window-start (display-buffer log-buffer) 0) ;watch progress
346 (let (value)
347 (let ((default-directory (file-name-as-directory store-directory)))
348 (setq value (call-process-region sh-start (point-max) command
349 nil log-buffer t)))
350 (set-buffer log-buffer)
351 (mh-handle-process-error command value))
352 (insert "\n(mh-store finished)\n")))
353