(defconst rfc822/RCS-ID
- "$Id: tl-822.el,v 7.48 1996-08-28 16:57:08 morioka Exp $")
+ "$Id: tl-822.el,v 7.60 1996-08-28 22:52:29 morioka Exp $")
(defconst rfc822/version (get-version-string rfc822/RCS-ID))
;;; @ lexical analyze
;;;
-(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-dtext-chars "][")
-(defconst rfc822/non-ctext-chars "()")
-
-(defalias 'rfc822/analyze-spaces 'std11-analyze-spaces)
-
-(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 (string-match (concat "[" rfc822/non-atom-chars "]") str)))
- (if i
- (if (> i 0)
- (cons (cons 'atom (substring str 0 i))
- (substring str i)
- ))
- (if (not (string-equal str ""))
- (cons (cons 'spaces str) "")
- ))))
-
-(defun rfc822/analyze-quoted-string (str)
- (let ((len (length str)))
- (if (and (> len 0)
- (eq (elt str 0) ?\")
- )
- (let ((i 1) chr dest)
- (catch 'tag
- (while (< i len)
- (setq chr (aref str i))
- (cond ((eq chr ?\\)
- (setq i (1+ i))
- (if (>= i len)
- (throw 'tag nil)
- )
- (setq dest (concat dest (char-to-string (aref str i))))
- )
- ((eq chr ?\")
- (throw 'tag
- (cons (cons 'quoted-string dest)
- (substring str (1+ i)))
- )
- )
- (t
- (setq dest (concat dest (char-to-string (aref str i))))
- ))
- (setq i (1+ i))
- ))))))
-
-(defun rfc822/analyze-domain-literal (str)
- (if (and (> (length str) 0)
- (eq (aref str 0) ?\[)
- )
- (let* ((i (string-match (concat "[" rfc822/non-dtext-chars "]") str 1))
- (rest (and i (substring str i)))
- )
- (if (and i
- (> (length rest) 0)
- (eq (aref rest 0) ?\])
- )
- (cons (cons 'domain-literal (substring str 1 i))
- (substring rest 1)
- )
- ))))
-
-(defun rfc822/analyze-comment (str)
- (if (and (> (length str) 0)
- (eq (elt str 0) ?\()
- )
- (let ((dest "")
- p ret)
- (setq str (substring str 1))
- (catch 'tag
- (while (not (string-equal str ""))
- (setq p (string-match (concat "[" rfc822/non-ctext-chars "]") str))
- (cond ((> p 0)
- (setq dest (concat dest (substring str 0 p)))
- (setq str (substring str p))
- )
- ((setq ret (rfc822/analyze-comment str))
- (setq dest (concat dest "(" (cdr (car ret)) ")"))
- (setq str (cdr ret))
- )
- (t (throw 'tag nil))
- )
- ))
- (if (and (> (length str) 0)
- (eq (elt str 0) ?\))
- )
- (cons (cons 'comment dest)
- (substring str 1)
- )
- ))))
-
-(defun rfc822/lexical-analyze (str)
- (let (dest 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))
- )
- (nreverse dest)
- ))
+(defalias 'rfc822/lexical-analyze 'std11-lexical-analyze)
;;; @ parser
;;;
-(defun rfc822/ignored-token-p (token)
- (let ((type (car token)))
- (or (eq type 'spaces)(eq type 'comment))
- ))
-
-(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 (nreverse (cons token itl))
- (cdr lal))
- ))
+(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/parse-ascii-token (lal)
- (let (token itl parsed token-value)
- (while (and lal
- (setq token (car lal))
- (if (and (setq token-value (cdr token))
- (find-charset-string token-value)
- )
- (setq token nil)
- (rfc822/ignored-token-p token)
- ))
- (setq lal (cdr lal))
- (setq itl (cons token itl))
- )
- (if (and token
- (setq parsed (nreverse (cons token itl)))
- )
- (cons parsed (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 (nreverse (cons token itl))
- (cdr lal))
- ))
-
-(defun rfc822/parse-word (lal)
- (let ((ret (rfc822/parse-ascii-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-ascii-token lal))
- (setq dot (car ret))
- (string-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-ascii-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-ascii-token lal))
- (setq dot (car ret))
- (string-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-ascii-token lal)) at-sign)
- (if (and ret
- (setq at-sign (car ret))
- (string-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)
- (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-ascii-token lal))
- (setq comma (car ret))
- (string-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-ascii-token lal))
- (setq colon (car ret))
- (string-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-ascii-token lal))
- < route addr-spec >)
- (if (and ret
- (setq < (car ret))
- (string-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-ascii-token lal))
- (setq > (car ret))
- (string-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 colon comma mbox semicolon)
- (if (and ret
- (setq phrase (cdr (car ret)))
- (setq lal (cdr ret))
- (setq ret (rfc822/parse-ascii-token lal))
- (setq colon (car ret))
- (string-equal (cdr (assq 'specials colon)) ":")
- (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-ascii-token lal))
- (setq comma (car ret))
- (string-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-ascii-token lal))
- (setq semicolon (car ret))
- (string-equal (cdr (assq 'specials semicolon)) ";")
- )))
- (cons (list 'group phrase (nreverse 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-ascii-token lal))
- (string-equal (cdr (assq 'specials (car ret))) ",")
- (setq ret (rfc822/parse-address (cdr ret)))
- )
- (setq dest (cons (car ret) dest))
- (setq lal (cdr ret))
- )
- (nreverse dest)
- ))))
-
-(defun rfc822/addr-to-string (seq)
- (mapconcat (function
- (lambda (token)
- (if (eq (car token) 'spaces)
- ""
- (cdr token)
- )))
- seq "")
- )
-
-(defun rfc822/address-string (address)
- (cond ((eq (car address) 'group)
- (mapconcat (function rfc822/address-string)
- (nth 2 address)
- ", ")
- )
- ((eq (car address) 'mailbox)
- (let ((addr (nth 1 address)))
- (rfc822/addr-to-string
- (if (eq (car addr) 'phrase-route-addr)
- (nth 2 addr)
- (cdr addr)
- )
- )))))
-
-(defun rfc822/full-name-string (address)
- (cond ((eq (car address) 'group)
- (mapconcat (function
- (lambda (token)
- (cdr token)
- ))
- (nth 1 address) "")
- )
- ((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)
- ))))
-
-(defun rfc822/extract-address-components (str)
- "Extract full name and canonical address from STR.
+(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
- (rfc822/parse-address
- (rfc822/lexical-analyze str)
- )))
+ (let* ((structure (car (std11-parse-address-string string)))
(phrase (rfc822/full-name-string structure))
(address (rfc822/address-string structure))
)
projects / elisp / mu-cite.git / blobdiff