1 ;;; tl-822.el --- RFC 822 parser for GNU Emacs
3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: mail, news, RFC 822
8 ;; This file is part of tl (Tiny Library).
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or (at
13 ;; your option) any later version.
15 ;; This program 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.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with This program; see the file COPYING. If not, write to
22 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
32 (defconst rfc822/RCS-ID
33 "$Id: tl-822.el,v 7.56 1996-08-28 20:32:07 morioka Exp $")
34 (defconst rfc822/version (get-version-string rfc822/RCS-ID))
40 (defalias 'rfc822/narrow-to-header 'std11-narrow-to-header)
41 (defalias 'rfc822/get-header-string 'std11-header-string)
42 (defalias 'rfc822/get-header-string-except 'std11-header-string-except)
43 (defalias 'rfc822/get-field-names 'std11-collect-field-names)
49 (defalias `rfc822/field-end 'std11-field-end)
50 (defalias 'rfc822/get-field-body 'std11-find-field-body)
51 (defalias 'rfc822/get-field-bodies 'std11-find-field-bodies)
57 (defconst rfc822/linear-white-space-regexp "\\(\n?[ \t]\\)+")
58 (defconst rfc822/quoted-pair-regexp "\\\\.")
59 (defconst rfc822/non-qtext-char-list '(?\" ?\\ ?\r ?\n))
60 (defconst rfc822/qtext-regexp
61 (concat "[^" (char-list-to-string rfc822/non-qtext-char-list) "]"))
62 (defconst rfc822/quoted-string-regexp
65 (regexp-or rfc822/qtext-regexp rfc822/quoted-pair-regexp)
69 (defun rfc822/wrap-as-quoted-string (str)
70 "Wrap string STR as RFC 822 quoted-string. [tl-822.el]"
74 (if (memq chr rfc822/non-qtext-char-list)
75 (concat "\\" (char-to-string chr))
81 (defun rfc822/strip-quoted-pair (str)
87 (setq chr (elt str i))
88 (if (or flag (not (eq chr ?\\)))
90 (setq dest (concat dest (char-to-string chr)))
99 (defun rfc822/strip-quoted-string (str)
100 (rfc822/strip-quoted-pair
101 (let ((max (- (length str) 1))
103 (if (and (eq (elt str 0) ?\")
104 (eq (elt str max) ?\")
106 (substring str 1 max)
114 (defalias 'rfc822/unfolding-string 'std11-unfold-string)
117 ;;; @ lexical analyze
120 (defalias 'rfc822/lexical-analyze 'std11-lexical-analyze)
126 (defalias 'rfc822/parse-address 'std11-parse-address)
127 (defalias 'rfc822/parse-addresses 'std11-parse-addresses)
129 (defun rfc822/addr-to-string (seq)
132 (if (eq (car token) 'spaces)
139 (defun rfc822/address-string (address)
140 (cond ((eq (car address) 'group)
141 (mapconcat (function rfc822/address-string)
145 ((eq (car address) 'mailbox)
146 (let ((addr (nth 1 address)))
147 (rfc822/addr-to-string
148 (if (eq (car addr) 'phrase-route-addr)
154 (defun rfc822/full-name-string (address)
155 (cond ((eq (car address) 'group)
162 ((eq (car address) 'mailbox)
163 (let ((addr (nth 1 address))
164 (comment (nth 2 address))
166 (if (eq (car addr) 'phrase-route-addr)
167 (setq phrase (mapconcat (function
176 (defun rfc822/extract-address-components (str)
177 "Extract full name and canonical address from STR.
178 Returns a list of the form (FULL-NAME CANONICAL-ADDRESS).
179 If no name can be extracted, FULL-NAME will be nil. [tl-822.el]"
180 (let* ((structure (car
181 (rfc822/parse-address
182 (rfc822/lexical-analyze str)
184 (phrase (rfc822/full-name-string structure))
185 (address (rfc822/address-string structure))
187 (list phrase address)
196 ;;; tl-822.el ends here