-;;;
;;; tl-822.el --- RFC 822 parser for GNU Emacs
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1995 MORIOKA Tomohiko
-;;;
-;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Version:
-;;; $Id: tl-822.el,v 1.1 1995-10-03 05:17:31 morioka Exp $
-;;; Keywords: mail, news, RFC 822
-;;;
-;;; This file is part of tm (Tools for MIME).
-;;;
+
+;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Keywords: mail, news, RFC 822
+
+;; This file is part of tl (Tiny Library).
+
+;; This program 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.
+
+;; This program 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 This program; see the file COPYING. If not, write to
+;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Code:
(require 'tl-seq)
+(require 'tl-str)
+(require 'std11)
-;;; @ lexical analyze
+(defconst rfc822/RCS-ID
+ "$Id: tl-822.el,v 7.59 1996-08-28 21:06:38 morioka Exp $")
+(defconst rfc822/version (get-version-string rfc822/RCS-ID))
+
+
+;;; @ header
;;;
-(defconst rfc822/special-chars "][()<>@,;:\\<>.\"")
-(defconst rfc822/space-chars " \t\n")
-(defconst rfc822/non-atom-chars
- (concat rfc822/special-chars rfc822/space-chars))
-(defconst rfc822/non-qtext-chars "\"")
-(defconst rfc822/non-dtext-chars "[]")
-(defconst rfc822/non-ctext-chars "()")
-
-(defun rfc822/analyze-spaces (str)
- (let ((i (position-mismatched
- (function
- (lambda (elt)
- (find elt rfc822/space-chars)
- )) str))
- )
- (if (> i 0)
- (cons (cons 'spaces (substring str 0 i))
- (substring str i)
- ))
- ))
+(defalias 'rfc822/narrow-to-header 'std11-narrow-to-header)
+(defalias 'rfc822/get-header-string 'std11-header-string)
+(defalias 'rfc822/get-header-string-except 'std11-header-string-except)
+(defalias 'rfc822/get-field-names 'std11-collect-field-names)
-(defun rfc822/analyze-special (str)
- (if (and (> (length str) 0)
- (find (elt str 0) rfc822/special-chars)
- )
- (cons (cons 'specials (substring str 0 1))
- (substring str 1)
- ))
- )
-
-(defun rfc822/analyze-atom (str)
- (let ((i (position-mismatched
- (function
- (lambda (elt)
- (not (find elt rfc822/non-atom-chars))
- )) str))
- )
- (if (> i 0)
- (cons (cons 'atom (substring str 0 i))
- (substring str i)
- ))
- ))
-(defun rfc822/analyze-quoted-pair (str)
- (if (and (>= (length str) 2)
- (eq (elt str 0) ?\\)
- )
- (cons (cons 'quoted-pair (substring str 0 2))
- (substring str 2)
- ))
- )
-
-(defun rfc822/analyze-quoted-string (str)
- (if (and (> (length str) 0)
- (eq (elt str 0) ?\")
- )
- (let* ((i (position-mismatched
- (function
- (lambda (elt)
- (not (find elt rfc822/non-qtext-chars))
- ))
- (setq str (substring str 1))
- ))
- (rest (substring str i))
- )
- (if (and (> i 0)
- (> (length rest) 0)
- (eq (elt rest 0) ?\")
- )
- (cons (cons 'quoted-string (substring str 0 i))
- (substring rest 1)
- )
- ))))
-
-(defun rfc822/analyze-domain-literal (str)
- (if (and (> (length str) 0)
- (eq (elt str 0) ?\[)
- )
- (let* ((i (position-mismatched
- (function
- (lambda (elt)
- (not (find elt rfc822/non-dtext-chars))
- ))
- (setq str (substring str 1))
- ))
- (rest (substring str i))
- )
- (if (and (> i 0)
- (> (length rest) 0)
- (eq (elt rest 0) ?\])
- )
- (cons (cons 'domain-literal (substring str 0 i))
- (substring rest 1)
- )
- ))))
-
-(defun rfc822/analyze-comment (str)
- (if (and (> (length str) 0)
- (eq (elt str 0) ?\()
+;;; @ field
+;;;
+
+(defalias `rfc822/field-end 'std11-field-end)
+(defalias 'rfc822/get-field-body 'std11-find-field-body)
+(defalias 'rfc822/get-field-bodies 'std11-find-field-bodies)
+
+
+;;; @ quoting
+;;;
+
+(defconst rfc822/linear-white-space-regexp "\\(\n?[ \t]\\)+")
+(defconst rfc822/quoted-pair-regexp "\\\\.")
+(defconst rfc822/non-qtext-char-list '(?\" ?\\ ?\r ?\n))
+(defconst rfc822/qtext-regexp
+ (concat "[^" (char-list-to-string rfc822/non-qtext-char-list) "]"))
+(defconst rfc822/quoted-string-regexp
+ (concat "\""
+ (regexp-*
+ (regexp-or rfc822/qtext-regexp rfc822/quoted-pair-regexp)
)
- (let ((dest "")
- chr p ret)
- (setq str (substring str 1))
- (catch 'tag
- (while (not (string-equal str ""))
- (setq p (position-mismatched
- (function
- (lambda (elt)
- (not (find elt rfc822/non-ctext-chars))
- )) str))
- (cond ((> p 0)
- (setq dest (concat dest (substring str 0 p)))
- (setq str (substring str p))
- )
- ((setq ret (rfc822/analyze-comment str))
- (setq dest (concat dest "(" (cdr (car ret)) ")"))
- (setq str (cdr ret))
- )
- (t (throw 'tag nil))
- )
- ))
- (if (and (> (length str) 0)
- (eq (elt str 0) ?\))
- )
- (cons (cons 'comment dest)
- (substring str 1)
- )
- ))))
-
-(defun rfc822/lexical-analyze (str)
- (let (dest
- (i 0)(len (length str))
- ret)
- (while (not (string-equal str ""))
- (setq ret
- (or (rfc822/analyze-quoted-string str)
- (rfc822/analyze-domain-literal str)
- (rfc822/analyze-comment str)
- (rfc822/analyze-spaces str)
- (rfc822/analyze-special str)
- (rfc822/analyze-atom str)
- '((error) . "")
- ))
- (setq dest (cons (car ret) dest))
- (setq str (cdr ret))
+ "\""))
+
+(defun rfc822/wrap-as-quoted-string (str)
+ "Wrap string STR as RFC 822 quoted-string. [tl-822.el]"
+ (concat "\""
+ (mapconcat (function
+ (lambda (chr)
+ (if (memq chr rfc822/non-qtext-char-list)
+ (concat "\\" (char-to-string chr))
+ (char-to-string chr)
+ )
+ )) str "")
+ "\""))
+
+(defun rfc822/strip-quoted-pair (str)
+ (let ((dest "")
+ (i 0)
+ (len (length str))
+ chr flag)
+ (while (< i len)
+ (setq chr (elt str i))
+ (if (or flag (not (eq chr ?\\)))
+ (progn
+ (setq dest (concat dest (char-to-string chr)))
+ (setq flag nil)
+ )
+ (setq flag t)
+ )
+ (setq i (+ i 1))
)
- (reverse dest)
- ))
+ dest))
+
+(defun rfc822/strip-quoted-string (str)
+ (rfc822/strip-quoted-pair
+ (let ((max (- (length str) 1))
+ )
+ (if (and (eq (elt str 0) ?\")
+ (eq (elt str max) ?\")
+ )
+ (substring str 1 max)
+ str)
+ )))
-;;; @ parser
+;;; @ unfolding
;;;
-(defun rfc822/ignored-token-p (token)
- (let ((type (car token)))
- (or (eq type 'spaces)(eq type 'comment))
- ))
+(defalias 'rfc822/unfolding-string 'std11-unfold-string)
-(defun rfc822/parse-token (lal)
- (let (token itl)
- (while (and lal
- (progn
- (setq token (car lal))
- (rfc822/ignored-token-p token)
- ))
- (setq lal (cdr lal))
- (setq itl (cons token itl))
- )
- (cons (reverse (cons token itl))
- (cdr lal))
- ))
-(defun rfc822/parse-token-or-comment (lal)
- (let (token itl)
- (while (and lal
- (progn
- (setq token (car lal))
- (eq (car token) 'spaces)
- ))
- (setq lal (cdr lal))
- (setq itl (cons token itl))
- )
- (cons (reverse (cons token itl))
- (cdr lal))
- ))
+;;; @ lexical analyze
+;;;
-(defun rfc822/parse-word (lal)
- (let ((ret (rfc822/parse-token lal)))
- (if ret
- (let ((elt (car ret))
- (rest (cdr ret))
- )
- (if (or (assq 'atom elt)
- (assq 'quoted-string elt))
- (cons (cons 'word elt) rest)
- )))))
-
-(defun rfc822/parse-word-or-comment (lal)
- (let ((ret (rfc822/parse-token-or-comment lal)))
- (if ret
- (let ((elt (car ret))
- (rest (cdr ret))
- )
- (cond ((or (assq 'atom elt)
- (assq 'quoted-string elt))
- (cons (cons 'word elt) rest)
- )
- ((assq 'comment elt)
- (cons (cons 'comment-word elt) rest)
- ))
- ))))
-
-(defun rfc822/parse-phrase (lal)
- (let (ret phrase)
- (while (setq ret (rfc822/parse-word-or-comment lal))
- (setq phrase (append phrase (cdr (car ret))))
- (setq lal (cdr ret))
- )
- (if phrase
- (cons (cons 'phrase phrase) lal)
- )))
-
-(defun rfc822/parse-local-part (lal)
- (let ((ret (rfc822/parse-word lal)))
- (if ret
- (let ((local-part (cdr (car ret))) dot)
- (setq lal (cdr ret))
- (while (and (setq ret (rfc822/parse-token lal))
- (setq dot (car ret))
- (equal (cdr (assq 'specials dot)) ".")
- (setq ret (rfc822/parse-word (cdr ret)))
- (setq local-part
- (append local-part dot (cdr (car ret)))
- )
- (setq lal (cdr ret))
- ))
- (cons (cons 'local-part local-part) lal)
- ))))
-
-(defun rfc822/parse-sub-domain (lal)
- (let ((ret (rfc822/parse-token lal)))
- (if ret
- (let ((sub-domain (car ret)))
- (if (or (assq 'atom sub-domain)
- (assq 'domain-literal sub-domain)
- )
- (cons (cons 'sub-domain sub-domain)
- (cdr ret)
- )
- )))))
-
-(defun rfc822/parse-domain (lal)
- (let ((ret (rfc822/parse-sub-domain lal)))
- (if ret
- (let ((domain (cdr (car ret))) dot)
- (setq lal (cdr ret))
- (while (and (setq ret (rfc822/parse-token lal))
- (setq dot (car ret))
- (equal (cdr (assq 'specials dot)) ".")
- (setq ret (rfc822/parse-sub-domain (cdr ret)))
- (setq domain
- (append domain dot (cdr (car ret)))
- )
- (setq lal (cdr ret))
- ))
- (cons (cons 'domain domain) lal)
- ))))
-
-(defun rfc822/parse-at-domain (lal)
- (let ((ret (rfc822/parse-token lal)) at-sign)
- (if (and ret
- (setq at-sign (car ret))
- (equal (cdr (assq 'specials at-sign)) "@")
- (setq ret (rfc822/parse-domain (cdr ret)))
- )
- (cons (cons 'at-domain (append at-sign (cdr (car ret))))
- (cdr ret))
- )))
-
-(defun rfc822/parse-addr-spec (lal)
- (let ((ret (rfc822/parse-local-part lal))
- addr at-sign)
- (if (and ret
- (prog1
- (setq addr (cdr (car ret)))
- (setq lal (cdr ret))
- (and (setq ret (rfc822/parse-at-domain lal))
- (setq addr (append addr (cdr (car ret))))
- (setq lal (cdr ret))
- )))
- (cons (cons 'addr-spec addr) lal)
- )))
-
-(defun rfc822/parse-route (lal)
- (let ((ret (rfc822/parse-at-domain lal))
- route comma colon)
- (if (and ret
- (progn
- (setq route (cdr (car ret)))
- (setq lal (cdr ret))
- (while (and (setq ret (rfc822/parse-token lal))
- (setq comma (car ret))
- (equal (cdr (assq 'specials comma)) ",")
- (setq ret (rfc822/parse-at-domain (cdr ret)))
- )
- (setq route (append route comma (cdr (car ret))))
- (setq lal (cdr ret))
- )
- (and (setq ret (rfc822/parse-token lal))
- (setq colon (car ret))
- (equal (cdr (assq 'specials colon)) ":")
- (setq route (append route colon))
- )
- ))
- (cons (cons 'route route)
- (cdr ret)
- )
- )))
-
-(defun rfc822/parse-route-addr (lal)
- (let ((ret (rfc822/parse-token lal))
- < route addr-spec >)
- (if (and ret
- (setq < (car ret))
- (equal (cdr (assq 'specials <)) "<")
- (setq lal (cdr ret))
- (progn (and (setq ret (rfc822/parse-route lal))
- (setq route (cdr (car ret)))
- (setq lal (cdr ret))
- )
- (setq ret (rfc822/parse-addr-spec lal))
- )
- (setq addr-spec (cdr (car ret)))
- (setq lal (cdr ret))
- (setq ret (rfc822/parse-token lal))
- (setq > (car ret))
- (equal (cdr (assq 'specials >)) ">")
- )
- (cons (cons 'route-addr (append route addr-spec))
- (cdr ret)
- )
- )))
-
-(defun rfc822/parse-phrase-route-addr (lal)
- (let ((ret (rfc822/parse-phrase lal)) phrase)
- (if ret
- (progn
- (setq phrase (cdr (car ret)))
- (setq lal (cdr ret))
- ))
- (if (setq ret (rfc822/parse-route-addr lal))
- (cons (list 'phrase-route-addr
- phrase
- (cdr (car ret)))
- (cdr ret))
- )))
-
-(defun rfc822/parse-mailbox (lal)
- (let ((ret (or (rfc822/parse-phrase-route-addr lal)
- (rfc822/parse-addr-spec lal)))
- mbox comment)
- (if (and ret
- (prog1
- (setq mbox (car ret))
- (setq lal (cdr ret))
- (if (and (setq ret (rfc822/parse-token-or-comment lal))
- (setq comment (cdr (assq 'comment (car ret))))
- )
- (setq lal (cdr ret))
- )))
- (cons (list 'mailbox mbox comment)
- lal)
- )))
-
-(defun rfc822/parse-group (lal)
- (let ((ret (rfc822/parse-phrase lal))
- phrase : comma mbox semicolon)
- (if (and ret
- (setq phrase (cdr (car ret)))
- (setq lal (cdr ret))
- (setq ret (rfc822/parse-token lal))
- (setq : (car ret))
- (equal (cdr (assq 'specials :)) ":")
- (setq lal (cdr ret))
- (progn
- (and (setq ret (rfc822/parse-mailbox lal))
- (setq mbox (list (car ret)))
- (setq lal (cdr ret))
- (progn
- (while (and (setq ret (rfc822/parse-token lal))
- (setq comma (car ret))
- (equal (cdr (assq 'specials comma)) ",")
- (setq lal (cdr ret))
- (setq ret (rfc822/parse-mailbox lal))
- (setq mbox (cons (car ret) mbox))
- (setq lal (cdr ret))
- )
- )))
- (and (setq ret (rfc822/parse-token lal))
- (setq semicolon (car ret))
- (equal (cdr (assq 'specials semicolon)) ";")
- )))
- (cons (list 'group phrase (reverse mbox))
- (cdr ret)
- )
- )))
-
-(defun rfc822/parse-address (lal)
- (or (rfc822/parse-group lal)
- (rfc822/parse-mailbox lal)
- ))
-
-(defun rfc822/parse-addresses (lal)
- (let ((ret (rfc822/parse-address lal)))
- (if ret
- (let ((dest (list (car ret))))
- (setq lal (cdr ret))
- (while (and (setq ret (rfc822/parse-token lal))
- (equal (cdr (assq 'specials (car ret))) ",")
- (setq ret (rfc822/parse-address (cdr ret)))
- )
- (setq dest (cons (car ret) dest))
- (setq lal (cdr ret))
- )
- (reverse dest)
- ))))
-
-(defun rfc822/addr-to-string (seq)
- (mapconcat (function
- (lambda (token)
- (if (eq (car token) 'spaces)
- ""
- (cdr token)
- )))
- seq "")
- )
-
-(defun rfc822/address-string (address)
- (if (eq (car address) 'mailbox)
- (let ((addr (nth 1 address))
- addr-spec)
- (rfc822/addr-to-string
- (if (eq (car addr) 'phrase-route-addr)
- (nth 2 addr)
- (cdr addr)
- )
- ))))
-
-(defun rfc822/full-name-string (address)
- (if (eq (car address) 'mailbox)
- (let ((addr (nth 1 address))
- (comment (nth 2 address))
- phrase)
- (if (eq (car addr) 'phrase-route-addr)
- (setq phrase (mapconcat (function
- (lambda (token)
- (cdr token)
- ))
- (nth 1 addr) ""))
- )
- (or phrase comment)
- )))
+(defalias 'rfc822/lexical-analyze 'std11-lexical-analyze)
+
+
+;;; @ parser
+;;;
+
+(defalias 'rfc822/parse-address 'std11-parse-address)
+(defalias 'rfc822/parse-addresses 'std11-parse-addresses)
+(defalias 'rfc822/address-string 'std11-address-string)
+(defalias 'rfc822/full-name-string 'std11-full-name-string)
+
+(defun rfc822/extract-address-components (string)
+ "Extract full name and canonical address from STRING.
+Returns a list of the form (FULL-NAME CANONICAL-ADDRESS).
+If no name can be extracted, FULL-NAME will be nil. [tl-822.el]"
+ (let* ((structure (car (std11-parse-address-string str)))
+ (phrase (rfc822/full-name-string structure))
+ (address (rfc822/address-string structure))
+ )
+ (list phrase address)
+ ))
;;; @ end
;;;
(provide 'tl-822)
+
+;;; tl-822.el ends here
projects / elisp / mu-cite.git / blobdiff