Mercurial > hg > xemacs-beta

comparison lisp/tl/tl-822.el @ 4:b82b59fe008d r19-15b3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS: tag r19-15b3
author cvs
date Mon, 13 Aug 2007 08:46:56 +0200
parents
children
comparison
equal deleted inserted replaced
3:30df88044ec6 4:b82b59fe008d
1 ;;; tl-822.el --- RFC 822 parser 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
7
8 ;; This file is part of tl (Tiny Library).
9
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.
14
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.
19
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.
24
25 ;;; Code:
26
27 (require 'tl-seq)
28 (require 'tl-str)
29 (require 'std11)
30
31
32 (defconst rfc822/RCS-ID
33 "$Id: tl-822.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $")
34 (defconst rfc822/version (get-version-string rfc822/RCS-ID))
35
36
37 ;;; @ header
38 ;;;
39
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)
44
45
46 ;;; @ field
47 ;;;
48
49 (defalias `rfc822/field-end 'std11-field-end)
50 (defalias 'rfc822/get-field-body 'std11-field-body)
51 (defalias 'rfc822/get-field-bodies 'std11-field-bodies)
52
53
54 ;;; @ quoting
55 ;;;
56
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
63 (concat "\""
64 (regexp-*
65 (regexp-or rfc822/qtext-regexp rfc822/quoted-pair-regexp)
66 )
67 "\""))
68
69 (defun rfc822/wrap-as-quoted-string (str)
70 "Wrap string STR as RFC 822 quoted-string. [tl-822.el]"
71 (concat "\""
72 (mapconcat (function
73 (lambda (chr)
74 (if (memq chr rfc822/non-qtext-char-list)
75 (concat "\\" (char-to-string chr))
76 (char-to-string chr)
77 )
78 )) str "")
79 "\""))
80
81 (defun rfc822/strip-quoted-pair (str)
82 (let ((dest "")
83 (i 0)
84 (len (length str))
85 chr flag)
86 (while (< i len)
87 (setq chr (elt str i))
88 (if (or flag (not (eq chr ?\\)))
89 (progn
90 (setq dest (concat dest (char-to-string chr)))
91 (setq flag nil)
92 )
93 (setq flag t)
94 )
95 (setq i (+ i 1))
96 )
97 dest))
98
99 (defun rfc822/strip-quoted-string (str)
100 (rfc822/strip-quoted-pair
101 (let ((max (- (length str) 1))
102 )
103 (if (and (eq (elt str 0) ?\")
104 (eq (elt str max) ?\")
105 )
106 (substring str 1 max)
107 str)
108 )))
109
110
111 ;;; @ unfolding
112 ;;;
113
114 (defalias 'rfc822/unfolding-string 'std11-unfold-string)
115
116
117 ;;; @ lexical analyze
118 ;;;
119
120 (defalias 'rfc822/lexical-analyze 'std11-lexical-analyze)
121
122
123 ;;; @ parser
124 ;;;
125
126 (defalias 'rfc822/parse-address 'std11-parse-address)
127 (defalias 'rfc822/parse-addresses 'std11-parse-addresses)
128 (defalias 'rfc822/address-string 'std11-address-string)
129 (defalias 'rfc822/full-name-string 'std11-full-name-string)
130
131 (defun rfc822/extract-address-components (string)
132 "Extract full name and canonical address from STRING.
133 Returns a list of the form (FULL-NAME CANONICAL-ADDRESS).
134 If no name can be extracted, FULL-NAME will be nil. [tl-822.el]"
135 (let* ((structure (car (std11-parse-address-string string)))
136 (phrase (rfc822/full-name-string structure))
137 (address (rfc822/address-string structure))
138 )
139 (list phrase address)
140 ))
141
142
143 ;;; @ end
144 ;;;
145
146 (provide 'tl-822)
147
148 ;;; tl-822.el ends here