|
0
|
1 ;;; rmailkwd.el --- part of the "RMAIL" mail reader for Emacs.
|
|
|
2
|
|
|
3 ;; Copyright (C) 1985, 1988 Free Software Foundation, Inc.
|
|
|
4
|
|
|
5 ;; Maintainer: FSF
|
|
|
6 ;; Keywords: mail
|
|
|
7
|
|
|
8 ;; This file is part of XEmacs.
|
|
|
9
|
|
|
10 ;; XEmacs is free software; you can redistribute it and/or modify it
|
|
|
11 ;; under the terms of the GNU General Public License as published by
|
|
|
12 ;; the Free Software Foundation; either version 2, or (at your option)
|
|
|
13 ;; any later version.
|
|
|
14
|
|
|
15 ;; XEmacs is distributed in the hope that it will be useful, but
|
|
|
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
18 ;; General Public License for more details.
|
|
|
19
|
|
|
20 ;; You should have received a copy of the GNU General Public License
|
|
|
21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
|
|
|
22 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
23
|
|
|
24 ;;; Code:
|
|
|
25
|
|
|
26 ;; Global to all RMAIL buffers. It exists primarily for the sake of
|
|
|
27 ;; completion. It is better to use strings with the label functions
|
|
|
28 ;; and let them worry about making the label.
|
|
|
29
|
|
|
30 (defvar rmail-label-obarray (make-vector 47 0))
|
|
|
31
|
|
|
32 ;; Named list of symbols representing valid message attributes in RMAIL.
|
|
|
33
|
|
|
34 (defconst rmail-attributes
|
|
|
35 (cons 'rmail-keywords
|
|
|
36 (mapcar '(lambda (s) (intern s rmail-label-obarray))
|
|
|
37 '("deleted" "answered" "filed" "forwarded" "unseen" "edited"))))
|
|
|
38
|
|
|
39 (defconst rmail-deleted-label (intern "deleted" rmail-label-obarray))
|
|
|
40
|
|
|
41 ;; Named list of symbols representing valid message keywords in RMAIL.
|
|
|
42
|
|
|
43 (defvar rmail-keywords nil)
|
|
|
44
|
|
|
45 (defun rmail-add-label (string)
|
|
|
46 "Add LABEL to labels associated with current RMAIL message.
|
|
|
47 Completion is performed over known labels when reading."
|
|
|
48 (interactive (list (rmail-read-label "Add label")))
|
|
|
49 (rmail-set-label string t))
|
|
|
50
|
|
|
51 (defun rmail-kill-label (string)
|
|
|
52 "Remove LABEL from labels associated with current RMAIL message.
|
|
|
53 Completion is performed over known labels when reading."
|
|
|
54 (interactive (list (rmail-read-label "Remove label")))
|
|
|
55 (rmail-set-label string nil))
|
|
|
56
|
|
|
57 (defun rmail-read-label (prompt)
|
|
|
58 (if (not rmail-keywords) (rmail-parse-file-keywords))
|
|
|
59 (let ((result
|
|
|
60 (completing-read (concat prompt
|
|
|
61 (if rmail-last-label
|
|
|
62 (concat " (default "
|
|
|
63 (symbol-name rmail-last-label)
|
|
|
64 "): ")
|
|
|
65 ": "))
|
|
|
66 rmail-label-obarray
|
|
|
67 nil
|
|
|
68 nil)))
|
|
|
69 (if (string= result "")
|
|
|
70 rmail-last-label
|
|
|
71 (setq rmail-last-label (rmail-make-label result t)))))
|
|
|
72
|
|
|
73 (defun rmail-set-label (l state &optional n)
|
|
|
74 (rmail-maybe-set-message-counters)
|
|
|
75 (if (not n) (setq n rmail-current-message))
|
|
|
76 (aset rmail-summary-vector (1- n) nil)
|
|
|
77 (let* ((attribute (rmail-attribute-p l))
|
|
|
78 (keyword (and (not attribute)
|
|
|
79 (or (rmail-keyword-p l)
|
|
|
80 (rmail-install-keyword l))))
|
|
|
81 (label (or attribute keyword)))
|
|
|
82 (if label
|
|
|
83 (let ((omax (- (buffer-size) (point-max)))
|
|
|
84 (omin (- (buffer-size) (point-min)))
|
|
|
85 (buffer-read-only nil)
|
|
|
86 (case-fold-search t))
|
|
|
87 (unwind-protect
|
|
|
88 (save-excursion
|
|
|
89 (widen)
|
|
|
90 (goto-char (rmail-msgbeg n))
|
|
|
91 (forward-line 1)
|
|
|
92 (if (not (looking-at "[01],"))
|
|
|
93 nil
|
|
|
94 (let ((start (1+ (point)))
|
|
|
95 (bound))
|
|
|
96 (narrow-to-region (point) (progn (end-of-line) (point)))
|
|
|
97 (setq bound (point-max))
|
|
|
98 (search-backward ",," nil t)
|
|
|
99 (if attribute
|
|
|
100 (setq bound (1+ (point)))
|
|
|
101 (setq start (1+ (point))))
|
|
|
102 (goto-char start)
|
|
|
103 ; (while (re-search-forward "[ \t]*,[ \t]*" nil t)
|
|
|
104 ; (replace-match ","))
|
|
|
105 ; (goto-char start)
|
|
|
106 (if (re-search-forward
|
|
|
107 (concat ", " (rmail-quote-label-name label) ",")
|
|
|
108 bound
|
|
|
109 'move)
|
|
|
110 (if (not state) (replace-match ","))
|
|
|
111 (if state (insert " " (symbol-name label) ",")))
|
|
|
112 (if (eq label rmail-deleted-label)
|
|
|
113 (rmail-set-message-deleted-p n state)))))
|
|
|
114 (narrow-to-region (- (buffer-size) omin) (- (buffer-size) omax))
|
|
|
115 (if (= n rmail-current-message) (rmail-display-labels)))))))
|
|
|
116
|
|
|
117 ;; Commented functions aren't used by RMAIL but might be nice for user
|
|
|
118 ;; packages that do stuff with RMAIL. Note that rmail-message-labels-p
|
|
|
119 ;; is in rmail.el now.
|
|
|
120
|
|
|
121 ;(defun rmail-message-attribute-p (attribute &optional n)
|
|
|
122 ; "Returns t if ATTRIBUTE on NTH or current message."
|
|
|
123 ; (rmail-message-labels-p (rmail-make-label attribute t) n))
|
|
|
124
|
|
|
125 ;(defun rmail-message-keyword-p (keyword &optional n)
|
|
|
126 ; "Returns t if KEYWORD on NTH or current message."
|
|
|
127 ; (rmail-message-labels-p (rmail-make-label keyword t) n t))
|
|
|
128
|
|
|
129 ;(defun rmail-message-label-p (label &optional n)
|
|
|
130 ; "Returns symbol if LABEL (attribute or keyword) on NTH or current message."
|
|
|
131 ; (rmail-message-labels-p (rmail-make-label label t) n 'all))
|
|
|
132
|
|
|
133 ;; Not used by RMAIL but might be nice for user package.
|
|
|
134
|
|
|
135 ;(defun rmail-parse-message-labels (&optional n)
|
|
|
136 ; "Returns labels associated with NTH or current RMAIL message.
|
|
|
137 ;Results is a list of two lists. The first is the message attributes
|
|
|
138 ;and the second is the message keywords. Labels are represented as symbols."
|
|
|
139 ; (let ((omin (- (buffer-size) (point-min)))
|
|
|
140 ; (omax (- (buffer-size) (point-max)))
|
|
|
141 ; (result))
|
|
|
142 ; (unwind-protect
|
|
|
143 ; (save-excursion
|
|
|
144 ; (let ((beg (rmail-msgbeg (or n rmail-current-message))))
|
|
|
145 ; (widen)
|
|
|
146 ; (goto-char beg)
|
|
|
147 ; (forward-line 1)
|
|
|
148 ; (if (looking-at "[01],")
|
|
|
149 ; (save-restriction
|
|
|
150 ; (narrow-to-region (point) (save-excursion (end-of-line) (point)))
|
|
|
151 ; (rmail-nuke-whitespace)
|
|
|
152 ; (goto-char (1+ (point-min)))
|
|
|
153 ; (list (mail-parse-comma-list) (mail-parse-comma-list))))))
|
|
|
154 ; (narrow-to-region (- (buffer-size) omin)
|
|
|
155 ; (- (buffer-size) omax))
|
|
|
156 ; nil)))
|
|
|
157
|
|
|
158 (defun rmail-attribute-p (s)
|
|
|
159 (let ((symbol (rmail-make-label s)))
|
|
|
160 (if (memq symbol (cdr rmail-attributes)) symbol)))
|
|
|
161
|
|
|
162 (defun rmail-keyword-p (s)
|
|
|
163 (let ((symbol (rmail-make-label s)))
|
|
|
164 (if (memq symbol (cdr (rmail-keywords))) symbol)))
|
|
|
165
|
|
|
166 (defun rmail-make-label (s &optional forcep)
|
|
|
167 (cond ((symbolp s) s)
|
|
|
168 (forcep (intern (downcase s) rmail-label-obarray))
|
|
|
169 (t (intern-soft (downcase s) rmail-label-obarray))))
|
|
|
170
|
|
|
171 (defun rmail-force-make-label (s)
|
|
|
172 (intern (downcase s) rmail-label-obarray))
|
|
|
173
|
|
|
174 (defun rmail-quote-label-name (label)
|
|
|
175 (regexp-quote (symbol-name (rmail-make-label label t))))
|
|
|
176
|
|
|
177 ;; Motion on messages with keywords.
|
|
|
178
|
|
|
179 (defun rmail-previous-labeled-message (n labels)
|
|
|
180 "Show previous message with one of the labels LABELS.
|
|
|
181 LABELS should be a comma-separated list of label names.
|
|
|
182 If LABELS is empty, the last set of labels specified is used.
|
|
|
183 With prefix argument N moves backward N messages with these labels."
|
|
|
184 (interactive "p\nsMove to previous msg with labels: ")
|
|
|
185 (rmail-next-labeled-message (- n) labels))
|
|
|
186
|
|
|
187 (defun rmail-next-labeled-message (n labels)
|
|
|
188 "Show next message with one of the labels LABELS.
|
|
|
189 LABELS should be a comma-separated list of label names.
|
|
|
190 If LABELS is empty, the last set of labels specified is used.
|
|
|
191 With prefix argument N moves forward N messages with these labels."
|
|
|
192 (interactive "p\nsMove to next msg with labels: ")
|
|
|
193 (if (string= labels "")
|
|
|
194 (setq labels rmail-last-multi-labels))
|
|
|
195 (or labels
|
|
|
196 (error "No labels to find have been specified previously"))
|
|
|
197 (setq rmail-last-multi-labels labels)
|
|
|
198 (rmail-maybe-set-message-counters)
|
|
|
199 (let ((lastwin rmail-current-message)
|
|
|
200 (current rmail-current-message)
|
|
|
201 (regexp (concat ", ?\\("
|
|
|
202 (mail-comma-list-regexp labels)
|
|
|
203 "\\),")))
|
|
|
204 (save-restriction
|
|
|
205 (widen)
|
|
|
206 (while (and (> n 0) (< current rmail-total-messages))
|
|
|
207 (setq current (1+ current))
|
|
|
208 (if (rmail-message-labels-p current regexp)
|
|
|
209 (setq lastwin current n (1- n))))
|
|
|
210 (while (and (< n 0) (> current 1))
|
|
|
211 (setq current (1- current))
|
|
|
212 (if (rmail-message-labels-p current regexp)
|
|
|
213 (setq lastwin current n (1+ n)))))
|
|
|
214 (rmail-show-message lastwin)
|
|
|
215 (if (< n 0)
|
|
|
216 (message "No previous message with labels %s" labels))
|
|
|
217 (if (> n 0)
|
|
|
218 (message "No following message with labels %s" labels))))
|
|
|
219
|
|
|
220 ;;; Manipulate the file's Labels option.
|
|
|
221
|
|
|
222 ;; Return a list of symbols for all
|
|
|
223 ;; the keywords (labels) recorded in this file's Labels option.
|
|
|
224 (defun rmail-keywords ()
|
|
|
225 (or rmail-keywords (rmail-parse-file-keywords)))
|
|
|
226
|
|
|
227 ;; Set rmail-keywords to a list of symbols for all
|
|
|
228 ;; the keywords (labels) recorded in this file's Labels option.
|
|
|
229 (defun rmail-parse-file-keywords ()
|
|
|
230 (save-restriction
|
|
|
231 (save-excursion
|
|
|
232 (widen)
|
|
|
233 (goto-char 1)
|
|
|
234 (setq rmail-keywords
|
|
|
235 (if (search-forward "\nLabels:" (rmail-msgbeg 1) t)
|
|
|
236 (progn
|
|
|
237 (narrow-to-region (point) (progn (end-of-line) (point)))
|
|
|
238 (goto-char (point-min))
|
|
|
239 (cons 'rmail-keywords
|
|
|
240 (mapcar 'rmail-force-make-label
|
|
|
241 (mail-parse-comma-list)))))))))
|
|
|
242
|
|
|
243 ;; Add WORD to the list in the file's Labels option.
|
|
|
244 ;; Any keyword used for the first time needs this done.
|
|
|
245 (defun rmail-install-keyword (word)
|
|
|
246 (let ((keyword (rmail-make-label word t))
|
|
|
247 (keywords (rmail-keywords)))
|
|
|
248 (if (not (or (rmail-attribute-p keyword)
|
|
|
249 (rmail-keyword-p keyword)))
|
|
|
250 (let ((omin (- (buffer-size) (point-min)))
|
|
|
251 (omax (- (buffer-size) (point-max))))
|
|
|
252 (unwind-protect
|
|
|
253 (save-excursion
|
|
|
254 (widen)
|
|
|
255 (goto-char 1)
|
|
|
256 (let ((case-fold-search t)
|
|
|
257 (buffer-read-only nil))
|
|
|
258 (or (search-forward "\nLabels:" nil t)
|
|
|
259 (progn
|
|
|
260 (end-of-line)
|
|
|
261 (insert "\nLabels:")))
|
|
|
262 (delete-region (point) (progn (end-of-line) (point)))
|
|
|
263 (setcdr keywords (cons keyword (cdr keywords)))
|
|
|
264 (while (setq keywords (cdr keywords))
|
|
|
265 (insert (symbol-name (car keywords)) ","))
|
|
|
266 (delete-char -1)))
|
|
|
267 (narrow-to-region (- (buffer-size) omin)
|
|
|
268 (- (buffer-size) omax)))))
|
|
|
269 keyword))
|
|
|
270
|
|
|
271 ;;; rmailkwd.el ends here
|
