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date Mon, 13 Aug 2007 08:46:56 +0200
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3:30df88044ec6 4:b82b59fe008d
1 ;;; std11.el --- STD 11 functions for GNU Emacs
2
3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
4
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: mail, news, RFC 822, STD 11
7 ;; Version: $Id: std11.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
8
9 ;; This file is part of tl (Tiny Library).
10
11 ;; This program is free software; you can redistribute it and/or
12 ;; modify it under the terms of the GNU General Public License as
13 ;; published by the Free Software Foundation; either version 2, or (at
14 ;; your option) any later version.
15
16 ;; This program is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
20
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with This program; see the file COPYING. If not, write to
23 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
25
26 ;;; Code:
27
28 (autoload 'buffer-substring-no-properties "emu")
29 (autoload 'member "emu")
30
31
32 ;;; @ field
33 ;;;
34
35 (defconst std11-field-name-regexp "[!-9;-~]+")
36 (defconst std11-field-head-regexp
37 (concat "^" std11-field-name-regexp ":"))
38 (defconst std11-next-field-head-regexp
39 (concat "\n" std11-field-name-regexp ":"))
40
41 (defun std11-field-end ()
42 "Move to end of field and return this point. [std11.el]"
43 (if (re-search-forward std11-next-field-head-regexp nil t)
44 (goto-char (match-beginning 0))
45 (if (re-search-forward "^$" nil t)
46 (goto-char (1- (match-beginning 0)))
47 (end-of-line)
48 ))
49 (point)
50 )
51
52 (defun std11-field-body (name &optional boundary)
53 "Return body of field NAME.
54 If BOUNDARY is not nil, it is used as message header separator.
55 \[std11.el]"
56 (save-excursion
57 (save-restriction
58 (std11-narrow-to-header boundary)
59 (goto-char (point-min))
60 (let ((case-fold-search t))
61 (if (re-search-forward (concat "^" name ":[ \t]*") nil t)
62 (buffer-substring-no-properties (match-end 0) (std11-field-end))
63 )))))
64
65 (defun std11-find-field-body (field-names &optional boundary)
66 "Return the first found field-body specified by FIELD-NAMES
67 of the message header in current buffer. If BOUNDARY is not nil, it is
68 used as message header separator. [std11.el]"
69 (save-excursion
70 (save-restriction
71 (std11-narrow-to-header boundary)
72 (let ((case-fold-search t)
73 field-name)
74 (catch 'tag
75 (while (setq field-name (car field-names))
76 (goto-char (point-min))
77 (if (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
78 (throw 'tag
79 (buffer-substring-no-properties
80 (match-end 0) (std11-field-end)))
81 )
82 (setq field-names (cdr field-names))
83 ))))))
84
85 (defun std11-field-bodies (field-names &optional default-value boundary)
86 "Return list of each field-bodies of FIELD-NAMES of the message header
87 in current buffer. If BOUNDARY is not nil, it is used as message
88 header separator. [std11.el]"
89 (save-excursion
90 (save-restriction
91 (std11-narrow-to-header boundary)
92 (let* ((case-fold-search t)
93 (dest (make-list (length field-names) default-value))
94 (s-rest field-names)
95 (d-rest dest)
96 field-name)
97 (while (setq field-name (car s-rest))
98 (goto-char (point-min))
99 (if (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
100 (setcar d-rest
101 (buffer-substring-no-properties
102 (match-end 0) (std11-field-end)))
103 )
104 (setq s-rest (cdr s-rest)
105 d-rest (cdr d-rest))
106 )
107 dest))))
108
109
110 ;;; @ unfolding
111 ;;;
112
113 (defun std11-unfold-string (string)
114 "Unfold STRING as message header field. [std11.el]"
115 (let ((dest ""))
116 (while (string-match "\n\\s +" string)
117 (setq dest (concat dest (substring string 0 (match-beginning 0)) " "))
118 (setq string (substring string (match-end 0)))
119 )
120 (concat dest string)
121 ))
122
123
124 ;;; @ header
125 ;;;
126
127 (defun std11-narrow-to-header (&optional boundary)
128 "Narrow to the message header.
129 If BOUNDARY is not nil, it is used as message header separator.
130 \[std11.el]"
131 (narrow-to-region
132 (goto-char (point-min))
133 (if (re-search-forward
134 (concat "^\\(" (regexp-quote (or boundary "")) "\\)?$")
135 nil t)
136 (match-beginning 0)
137 (point-max)
138 )))
139
140 (defun std11-header-string (regexp &optional boundary)
141 "Return string of message header fields matched by REGEXP.
142 If BOUNDARY is not nil, it is used as message header separator.
143 \[std11.el]"
144 (let ((case-fold-search t))
145 (save-excursion
146 (save-restriction
147 (std11-narrow-to-header boundary)
148 (goto-char (point-min))
149 (let (field header)
150 (while (re-search-forward std11-field-head-regexp nil t)
151 (setq field
152 (buffer-substring (match-beginning 0) (std11-field-end)))
153 (if (string-match regexp field)
154 (setq header (concat header field "\n"))
155 ))
156 header)
157 ))))
158
159 (defun std11-header-string-except (regexp &optional boundary)
160 "Return string of message header fields not matched by REGEXP.
161 If BOUNDARY is not nil, it is used as message header separator.
162 \[std11.el]"
163 (let ((case-fold-search t))
164 (save-excursion
165 (save-restriction
166 (std11-narrow-to-header boundary)
167 (goto-char (point-min))
168 (let (field header)
169 (while (re-search-forward std11-field-head-regexp nil t)
170 (setq field
171 (buffer-substring (match-beginning 0) (std11-field-end)))
172 (if (not (string-match regexp field))
173 (setq header (concat header field "\n"))
174 ))
175 header)
176 ))))
177
178 (defun std11-collect-field-names (&optional boundary)
179 "Return list of all field-names of the message header in current buffer.
180 If BOUNDARY is not nil, it is used as message header separator.
181 \[std11.el]"
182 (save-excursion
183 (save-restriction
184 (std11-narrow-to-header boundary)
185 (goto-char (point-min))
186 (let (dest name)
187 (while (re-search-forward std11-field-head-regexp nil t)
188 (setq name (buffer-substring-no-properties
189 (match-beginning 0)(1- (match-end 0))))
190 (or (member name dest)
191 (setq dest (cons name dest))
192 )
193 )
194 dest))))
195
196
197 ;;; @ composer
198 ;;;
199
200 (defun std11-addr-to-string (seq)
201 "Return string from lexical analyzed list SEQ
202 represents addr-spec of RFC 822. [std11.el]"
203 (mapconcat (function
204 (lambda (token)
205 (if (let ((name (car token)))
206 (or (eq name 'spaces)
207 (eq name 'comment)
208 ))
209 ""
210 (cdr token)
211 )))
212 seq "")
213 )
214
215 (defun std11-address-string (address)
216 "Return string of address part from parsed ADDRESS of RFC 822.
217 \[std11.el]"
218 (cond ((eq (car address) 'group)
219 (mapconcat (function std11-address-string)
220 (car (cdr address))
221 ", ")
222 )
223 ((eq (car address) 'mailbox)
224 (let ((addr (nth 1 address)))
225 (std11-addr-to-string
226 (if (eq (car addr) 'phrase-route-addr)
227 (nth 2 addr)
228 (cdr addr)
229 )
230 )))))
231
232 (defun std11-full-name-string (address)
233 "Return string of full-name part from parsed ADDRESS of RFC 822.
234 \[std11.el]"
235 (cond ((eq (car address) 'group)
236 (mapconcat (function
237 (lambda (token)
238 (cdr token)
239 ))
240 (nth 1 address) "")
241 )
242 ((eq (car address) 'mailbox)
243 (let ((addr (nth 1 address))
244 (comment (nth 2 address))
245 phrase)
246 (if (eq (car addr) 'phrase-route-addr)
247 (setq phrase (mapconcat (function
248 (lambda (token)
249 (cdr token)
250 ))
251 (nth 1 addr) ""))
252 )
253 (or phrase comment)
254 ))))
255
256
257 ;;; @ parser
258 ;;;
259
260 (defun std11-parse-address-string (string)
261 "Parse STRING as mail address. [std11.el]"
262 (std11-parse-address (std11-lexical-analyze string))
263 )
264
265 (defun std11-parse-addresses-string (string)
266 "Parse STRING as mail address list. [std11.el]"
267 (std11-parse-addresses (std11-lexical-analyze string))
268 )
269
270 (provide 'std11)
271
272 (mapcar (function
273 (lambda (func)
274 (autoload func "std11-parse")
275 ))
276 '(std11-lexical-analyze
277 std11-parse-address std11-parse-addresses
278 std11-parse-address-string))
279
280
281 ;;; @ end
282 ;;;
283
284 ;;; std11.el ends here