1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
|
;;; rmailkwd.el --- part of the "RMAIL" mail reader for Emacs
;; Copyright (C) 1985, 1988, 1994, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: mail
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(defvar rmail-buffer)
(defvar rmail-current-message)
(defvar rmail-last-label)
(defvar rmail-last-multi-labels)
(defvar rmail-summary-vector)
(defvar rmail-total-messages)
;; Global to all RMAIL buffers. It exists primarily for the sake of
;; completion. It is better to use strings with the label functions
;; and let them worry about making the label.
(defvar rmail-label-obarray (make-vector 47 0))
;; Named list of symbols representing valid message attributes in RMAIL.
(defconst rmail-attributes
(cons 'rmail-keywords
(mapcar (function (lambda (s) (intern s rmail-label-obarray)))
'("deleted" "answered" "filed" "forwarded" "unseen" "edited"
"resent"))))
(defconst rmail-deleted-label (intern "deleted" rmail-label-obarray))
;; Named list of symbols representing valid message keywords in RMAIL.
(defvar rmail-keywords)
;;;###autoload
(defun rmail-add-label (string)
"Add LABEL to labels associated with current RMAIL message.
Completion is performed over known labels when reading."
(interactive (list (rmail-read-label "Add label")))
(rmail-set-label string t))
;;;###autoload
(defun rmail-kill-label (string)
"Remove LABEL from labels associated with current RMAIL message.
Completion is performed over known labels when reading."
(interactive (list (rmail-read-label "Remove label")))
(rmail-set-label string nil))
;;;###autoload
(defun rmail-read-label (prompt)
(with-current-buffer rmail-buffer
(if (not rmail-keywords) (rmail-parse-file-keywords))
(let ((result
(completing-read (concat prompt
(if rmail-last-label
(concat " (default "
(symbol-name rmail-last-label)
"): ")
": "))
rmail-label-obarray
nil
nil)))
(if (string= result "")
rmail-last-label
(setq rmail-last-label (rmail-make-label result t))))))
(defun rmail-set-label (l state &optional n)
(with-current-buffer rmail-buffer
(rmail-maybe-set-message-counters)
(if (not n) (setq n rmail-current-message))
(aset rmail-summary-vector (1- n) nil)
(let* ((attribute (rmail-attribute-p l))
(keyword (and (not attribute)
(or (rmail-keyword-p l)
(rmail-install-keyword l))))
(label (or attribute keyword)))
(if label
(let ((omax (- (buffer-size) (point-max)))
(omin (- (buffer-size) (point-min)))
(buffer-read-only nil)
(case-fold-search t))
(unwind-protect
(save-excursion
(widen)
(goto-char (rmail-msgbeg n))
(forward-line 1)
(if (not (looking-at "[01],"))
nil
(let ((start (1+ (point)))
(bound))
(narrow-to-region (point) (progn (end-of-line) (point)))
(setq bound (point-max))
(search-backward ",," nil t)
(if attribute
(setq bound (1+ (point)))
(setq start (1+ (point))))
(goto-char start)
; (while (re-search-forward "[ \t]*,[ \t]*" nil t)
; (replace-match ","))
; (goto-char start)
(if (re-search-forward
(concat ", " (rmail-quote-label-name label) ",")
bound
'move)
(if (not state) (replace-match ","))
(if state (insert " " (symbol-name label) ",")))
(if (eq label rmail-deleted-label)
(rmail-set-message-deleted-p n state)))))
(narrow-to-region (- (buffer-size) omin) (- (buffer-size) omax))
(if (= n rmail-current-message) (rmail-display-labels))))))))
;; Commented functions aren't used by RMAIL but might be nice for user
;; packages that do stuff with RMAIL. Note that rmail-message-labels-p
;; is in rmail.el now.
;(defun rmail-message-label-p (label &optional n)
; "Returns symbol if LABEL (attribute or keyword) on NTH or current message."
; (rmail-message-labels-p (or n rmail-current-message) (regexp-quote label)))
;(defun rmail-parse-message-labels (&optional n)
; "Returns labels associated with NTH or current RMAIL message.
;The result is a list of two lists of strings. The first is the
;message attributes and the second is the message keywords."
; (let (atts keys)
; (save-restriction
; (widen)
; (goto-char (rmail-msgbeg (or n rmail-current-message)))
; (forward-line 1)
; (or (looking-at "[01],") (error "Malformed label line"))
; (forward-char 2)
; (while (looking-at "[ \t]*\\([^ \t\n,]+\\),")
; (setq atts (cons (buffer-substring (match-beginning 1) (match-end 1))
; atts))
; (goto-char (match-end 0)))
; (or (looking-at ",") (error "Malformed label line"))
; (forward-char 1)
; (while (looking-at "[ \t]*\\([^ \t\n,]+\\),")
; (setq keys (cons (buffer-substring (match-beginning 1) (match-end 1))
; keys))
; (goto-char (match-end 0)))
; (or (looking-at "[ \t]*$") (error "Malformed label line"))
; (list (nreverse atts) (nreverse keys)))))
(defun rmail-attribute-p (s)
(let ((symbol (rmail-make-label s)))
(if (memq symbol (cdr rmail-attributes)) symbol)))
(defun rmail-keyword-p (s)
(let ((symbol (rmail-make-label s)))
(if (memq symbol (cdr (rmail-keywords))) symbol)))
(defun rmail-make-label (s &optional forcep)
(cond ((symbolp s) s)
(forcep (intern (downcase s) rmail-label-obarray))
(t (intern-soft (downcase s) rmail-label-obarray))))
(defun rmail-force-make-label (s)
(intern (downcase s) rmail-label-obarray))
(defun rmail-quote-label-name (label)
(regexp-quote (symbol-name (rmail-make-label label t))))
;; Motion on messages with keywords.
;;;###autoload
(defun rmail-previous-labeled-message (n labels)
"Show previous message with one of the labels LABELS.
LABELS should be a comma-separated list of label names.
If LABELS is empty, the last set of labels specified is used.
With prefix argument N moves backward N messages with these labels."
(interactive "p\nsMove to previous msg with labels: ")
(rmail-next-labeled-message (- n) labels))
;;;###autoload
(defun rmail-next-labeled-message (n labels)
"Show next message with one of the labels LABELS.
LABELS should be a comma-separated list of label names.
If LABELS is empty, the last set of labels specified is used.
With prefix argument N moves forward N messages with these labels."
(interactive "p\nsMove to next msg with labels: ")
(if (string= labels "")
(setq labels rmail-last-multi-labels))
(or labels
(error "No labels to find have been specified previously"))
(set-buffer rmail-buffer)
(setq rmail-last-multi-labels labels)
(rmail-maybe-set-message-counters)
(let ((lastwin rmail-current-message)
(current rmail-current-message)
(regexp (concat ", ?\\("
(mail-comma-list-regexp labels)
"\\),")))
(save-restriction
(widen)
(while (and (> n 0) (< current rmail-total-messages))
(setq current (1+ current))
(if (rmail-message-labels-p current regexp)
(setq lastwin current n (1- n))))
(while (and (< n 0) (> current 1))
(setq current (1- current))
(if (rmail-message-labels-p current regexp)
(setq lastwin current n (1+ n)))))
(rmail-show-message lastwin)
(if (< n 0)
(message "No previous message with labels %s" labels))
(if (> n 0)
(message "No following message with labels %s" labels))))
;;; Manipulate the file's Labels option.
;; Return a list of symbols for all
;; the keywords (labels) recorded in this file's Labels option.
(defun rmail-keywords ()
(or rmail-keywords (rmail-parse-file-keywords)))
;; Set rmail-keywords to a list of symbols for all
;; the keywords (labels) recorded in this file's Labels option.
(defun rmail-parse-file-keywords ()
(save-restriction
(save-excursion
(widen)
(goto-char 1)
(setq rmail-keywords
(if (search-forward "\nLabels:" (rmail-msgbeg 1) t)
(progn
(narrow-to-region (point) (progn (end-of-line) (point)))
(goto-char (point-min))
(cons 'rmail-keywords
(mapcar 'rmail-force-make-label
(mail-parse-comma-list)))))))))
;; Add WORD to the list in the file's Labels option.
;; Any keyword used for the first time needs this done.
(defun rmail-install-keyword (word)
(let ((keyword (rmail-make-label word t))
(keywords (rmail-keywords)))
(if (not (or (rmail-attribute-p keyword)
(rmail-keyword-p keyword)))
(let ((omin (- (buffer-size) (point-min)))
(omax (- (buffer-size) (point-max))))
(unwind-protect
(save-excursion
(widen)
(goto-char 1)
(let ((case-fold-search t)
(buffer-read-only nil))
(or (search-forward "\nLabels:" nil t)
(progn
(end-of-line)
(insert "\nLabels:")))
(delete-region (point) (progn (end-of-line) (point)))
(setcdr keywords (cons keyword (cdr keywords)))
(while (setq keywords (cdr keywords))
(insert (symbol-name (car keywords)) ","))
(delete-char -1)))
(narrow-to-region (- (buffer-size) omin)
(- (buffer-size) omax)))))
keyword))
;;; arch-tag: b26b3392-99ca-4e1d-933a-dab59b04e9a8
;;; rmailkwd.el ends here
|
