--- /dev/null
+;;; std11.el --- STD 11 functions for GNU Emacs
+
+;; Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
+;; Keywords: mail, news, RFC 822, STD 11
+
+;; This file is part of FLIM (Faithful Library about Internet Message).
+
+;; 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 GNU Emacs; 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 'custom) ; std11-lexical-analyzer
+
+
+;;; @ fetch
+;;;
+
+(defconst std11-field-name-regexp "[!-9;-~]+")
+(defconst std11-field-head-regexp
+ (concat "^" std11-field-name-regexp ":"))
+(defconst std11-next-field-head-regexp
+ (concat "\n" std11-field-name-regexp ":"))
+
+(defun std11-field-end (&optional bound)
+ "Move to end of field and return this point.
+The optional argument BOUNDs the search; it is a buffer position."
+ (if (re-search-forward std11-next-field-head-regexp bound t)
+ (goto-char (match-beginning 0))
+ (if (re-search-forward "^$" bound t)
+ (goto-char (1- (match-beginning 0)))
+ (end-of-line)
+ ))
+ (point)
+ )
+
+;;;###autoload
+(defun std11-fetch-field (name)
+ "Return the value of the header field NAME.
+The buffer is expected to be narrowed to just the headers of the message."
+ (save-excursion
+ (goto-char (point-min))
+ (let ((case-fold-search t))
+ (if (re-search-forward (concat "^" name ":[ \t]*") nil t)
+ (buffer-substring-no-properties (match-end 0) (std11-field-end))
+ ))))
+
+;;;###autoload
+(defun std11-narrow-to-header (&optional boundary)
+ "Narrow to the message header.
+If BOUNDARY is not nil, it is used as message header separator."
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (re-search-forward
+ (concat "^\\(" (regexp-quote (or boundary "")) "\\)?$")
+ nil t)
+ (match-beginning 0)
+ (point-max)
+ )))
+
+;;;###autoload
+(defun std11-field-body (name &optional boundary)
+ "Return the value of the header field NAME.
+If BOUNDARY is not nil, it is used as message header separator."
+ (save-excursion
+ (save-restriction
+ (inline (std11-narrow-to-header boundary)
+ (std11-fetch-field name))
+ )))
+
+(defun std11-find-field-body (field-names &optional boundary)
+ "Return the first found field-body specified by FIELD-NAMES
+of the message header in current buffer. If BOUNDARY is not nil, it is
+used as message header separator."
+ (save-excursion
+ (save-restriction
+ (std11-narrow-to-header boundary)
+ (let ((case-fold-search t)
+ field-name)
+ (catch 'tag
+ (while (setq field-name (car field-names))
+ (goto-char (point-min))
+ (if (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
+ (throw 'tag
+ (buffer-substring-no-properties
+ (match-end 0) (std11-field-end)))
+ )
+ (setq field-names (cdr field-names))
+ ))))))
+
+(defun std11-field-bodies (field-names &optional default-value boundary)
+ "Return list of each field-bodies of FIELD-NAMES of the message header
+in current buffer. If BOUNDARY is not nil, it is used as message
+header separator."
+ (save-excursion
+ (save-restriction
+ (std11-narrow-to-header boundary)
+ (let* ((case-fold-search t)
+ (dest (make-list (length field-names) default-value))
+ (s-rest field-names)
+ (d-rest dest)
+ field-name)
+ (while (setq field-name (car s-rest))
+ (goto-char (point-min))
+ (if (re-search-forward (concat "^" field-name ":[ \t]*") nil t)
+ (setcar d-rest
+ (buffer-substring-no-properties
+ (match-end 0) (std11-field-end)))
+ )
+ (setq s-rest (cdr s-rest)
+ d-rest (cdr d-rest))
+ )
+ dest))))
+
+(defun std11-header-string (regexp &optional boundary)
+ "Return string of message header fields matched by REGEXP.
+If BOUNDARY is not nil, it is used as message header separator."
+ (let ((case-fold-search t))
+ (save-excursion
+ (save-restriction
+ (std11-narrow-to-header boundary)
+ (goto-char (point-min))
+ (let (field header)
+ (while (re-search-forward std11-field-head-regexp nil t)
+ (setq field
+ (buffer-substring (match-beginning 0) (std11-field-end)))
+ (if (string-match regexp field)
+ (setq header (concat header field "\n"))
+ ))
+ header)
+ ))))
+
+(defun std11-header-string-except (regexp &optional boundary)
+ "Return string of message header fields not matched by REGEXP.
+If BOUNDARY is not nil, it is used as message header separator."
+ (let ((case-fold-search t))
+ (save-excursion
+ (save-restriction
+ (std11-narrow-to-header boundary)
+ (goto-char (point-min))
+ (let (field header)
+ (while (re-search-forward std11-field-head-regexp nil t)
+ (setq field
+ (buffer-substring (match-beginning 0) (std11-field-end)))
+ (if (not (string-match regexp field))
+ (setq header (concat header field "\n"))
+ ))
+ header)
+ ))))
+
+(defun std11-collect-field-names (&optional boundary)
+ "Return list of all field-names of the message header in current buffer.
+If BOUNDARY is not nil, it is used as message header separator."
+ (save-excursion
+ (save-restriction
+ (std11-narrow-to-header boundary)
+ (goto-char (point-min))
+ (let (dest name)
+ (while (re-search-forward std11-field-head-regexp nil t)
+ (setq name (buffer-substring-no-properties
+ (match-beginning 0)(1- (match-end 0))))
+ (or (member name dest)
+ (setq dest (cons name dest))
+ )
+ )
+ dest))))
+
+
+;;; @ unfolding
+;;;
+
+;;;###autoload
+(defun std11-unfold-string (string)
+ "Unfold STRING as message header field."
+ (let ((dest "")
+ (p 0))
+ (while (string-match "\n\\([ \t]\\)" string p)
+ (setq dest (concat dest
+ (substring string p (match-beginning 0))
+ (substring string
+ (match-beginning 1)
+ (setq p (match-end 0)))
+ ))
+ )
+ (concat dest (substring string p))
+ ))
+
+
+;;; @ quoted-string
+;;;
+
+(defun std11-wrap-as-quoted-pairs (string specials)
+ (let (dest
+ (i 0)
+ (b 0)
+ (len (length string))
+ )
+ (while (< i len)
+ (let ((chr (aref string i)))
+ (if (memq chr specials)
+ (setq dest (concat dest (substring string b i) "\\")
+ b i)
+ ))
+ (setq i (1+ i))
+ )
+ (concat dest (substring string b))
+ ))
+
+(defconst std11-non-qtext-char-list '(?\" ?\\ ?\r ?\n))
+
+(defun std11-wrap-as-quoted-string (string)
+ "Wrap STRING as RFC 822 quoted-string."
+ (concat "\""
+ (std11-wrap-as-quoted-pairs string std11-non-qtext-char-list)
+ "\""))
+
+(defun std11-strip-quoted-pair (string)
+ "Strip quoted-pairs in STRING."
+ (let (dest
+ (b 0)
+ (i 0)
+ (len (length string))
+ )
+ (while (< i len)
+ (let ((chr (aref string i)))
+ (if (eq chr ?\\)
+ (setq dest (concat dest (substring string b i))
+ b (1+ i)
+ i (+ i 2))
+ (setq i (1+ i))
+ )))
+ (concat dest (substring string b))
+ ))
+
+(defun std11-strip-quoted-string (string)
+ "Strip quoted-string STRING."
+ (let ((len (length string)))
+ (or (and (>= len 2)
+ (let ((max (1- len)))
+ (and (eq (aref string 0) ?\")
+ (eq (aref string max) ?\")
+ (std11-strip-quoted-pair (substring string 1 max))
+ )))
+ string)))
+
+
+;;; @ lexical analyze
+;;;
+
+(defcustom std11-lexical-analyzer
+ '(std11-analyze-quoted-string
+ std11-analyze-domain-literal
+ std11-analyze-comment
+ std11-analyze-spaces
+ std11-analyze-special
+ std11-analyze-atom)
+ "*List of functions to return result of lexical analyze.
+Each function must have two arguments: STRING and START.
+STRING is the target string to be analyzed.
+START is start position of STRING to analyze.
+
+Previous function is preferred to next function. If a function
+returns nil, next function is used. Otherwise the return value will
+be the result."
+ :group 'news
+ :group 'mail
+ :type '(repeat function))
+
+(eval-and-compile
+ (defconst std11-space-char-list '(? ?\t ?\n))
+ (defconst std11-special-char-list '(?\] ?\[
+ ?\( ?\) ?< ?> ?@
+ ?, ?\; ?: ?\\ ?\"
+ ?.))
+ )
+;; (defconst std11-spaces-regexp
+;; (eval-when-compile (concat "[" std11-space-char-list "]+")))
+(defconst std11-atom-regexp
+ (eval-when-compile
+ (concat "[^" std11-special-char-list std11-space-char-list "]+")))
+
+(defun std11-analyze-spaces (string start)
+ (if (and (string-match (eval-when-compile
+ (concat "[" std11-space-char-list "]+"))
+ string start)
+ (= (match-beginning 0) start))
+ (let ((end (match-end 0)))
+ (cons (cons 'spaces (substring string start end))
+ ;;(substring string end)
+ end)
+ )))
+
+(defun std11-analyze-special (string start)
+ (if (and (> (length string) start)
+ (memq (aref string start) std11-special-char-list))
+ (cons (cons 'specials (substring string start (1+ start)))
+ ;;(substring string 1)
+ (1+ start))
+ ))
+
+(defun std11-analyze-atom (string start)
+ (if (and (string-match std11-atom-regexp string start)
+ (= (match-beginning 0) start))
+ (let ((end (match-end 0)))
+ (cons (cons 'atom (substring string start end))
+ ;;(substring string end)
+ end)
+ )))
+
+(defun std11-check-enclosure (string open close &optional recursive from)
+ (let ((len (length string))
+ (i (or from 0))
+ )
+ (if (and (> len i)
+ (eq (aref string i) open))
+ (let (p chr)
+ (setq i (1+ i))
+ (catch 'tag
+ (while (< i len)
+ (setq chr (aref string i))
+ (cond ((eq chr ?\\)
+ (setq i (1+ i))
+ (if (>= i len)
+ (throw 'tag nil)
+ )
+ (setq i (1+ i))
+ )
+ ((eq chr close)
+ (throw 'tag (1+ i))
+ )
+ ((eq chr open)
+ (if (and recursive
+ (setq p (std11-check-enclosure
+ string open close recursive i))
+ )
+ (setq i p)
+ (throw 'tag nil)
+ ))
+ (t
+ (setq i (1+ i))
+ ))
+ ))))))
+
+(defun std11-analyze-quoted-string (string start)
+ (let ((p (std11-check-enclosure string ?\" ?\" nil start)))
+ (if p
+ (cons (cons 'quoted-string (substring string (1+ start) (1- p)))
+ ;;(substring string p))
+ p)
+ )))
+
+(defun std11-analyze-domain-literal (string start)
+ (let ((p (std11-check-enclosure string ?\[ ?\] nil start)))
+ (if p
+ (cons (cons 'domain-literal (substring string (1+ start) (1- p)))
+ ;;(substring string p))
+ p)
+ )))
+
+(defun std11-analyze-comment (string start)
+ (let ((p (std11-check-enclosure string ?\( ?\) t start)))
+ (if p
+ (cons (cons 'comment (substring string (1+ start) (1- p)))
+ ;;(substring string p))
+ p)
+ )))
+
+;;;###autoload
+(defun std11-lexical-analyze (string &optional analyzer start)
+ "Analyze STRING as lexical tokens of STD 11."
+ (or analyzer
+ (setq analyzer std11-lexical-analyzer))
+ (or start
+ (setq start 0))
+ (let ((len (length string))
+ dest ret)
+ (while (< start len)
+ (setq ret
+ (let ((rest analyzer)
+ func r)
+ (while (and (setq func (car rest))
+ (null (setq r (funcall func string start))))
+ (setq rest (cdr rest)))
+ (or r
+ (cons (cons 'error (substring string start)) (1+ len)))
+ ))
+ (setq dest (cons (car ret) dest)
+ start (cdr ret))
+ )
+ (nreverse dest)
+ ))
+
+
+;;; @ parser
+;;;
+
+(defun std11-ignored-token-p (token)
+ (let ((type (car token)))
+ (or (eq type 'spaces)(eq type 'comment))
+ ))
+
+(defun std11-parse-token (lal)
+ (let (token itl)
+ (while (and lal
+ (progn
+ (setq token (car lal))
+ (std11-ignored-token-p token)
+ ))
+ (setq lal (cdr lal))
+ (setq itl (cons token itl))
+ )
+ (cons (nreverse (cons token itl))
+ (cdr lal))
+ ))
+
+(defun std11-parse-ascii-token (lal)
+ (let (token itl parsed token-value)
+ (while (and lal
+ (setq token (car lal))
+ (or (std11-ignored-token-p token)
+ (if (and (setq token-value (cdr token))
+ (delq 'ascii (find-charset-string token-value)))
+ (setq token nil)
+ )))
+ (setq lal (cdr lal))
+ (setq itl (cons token itl))
+ )
+ (if (and token
+ (setq parsed (nreverse (cons token itl)))
+ )
+ (cons parsed (cdr lal))
+ )))
+
+(defun std11-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 std11-parse-word (lal)
+ (let ((ret (std11-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 std11-parse-word-or-comment (lal)
+ (let ((ret (std11-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 std11-parse-phrase (lal)
+ (let (ret phrase)
+ (while (setq ret (std11-parse-word-or-comment lal))
+ (setq phrase (append phrase (cdr (car ret))))
+ (setq lal (cdr ret))
+ )
+ (if phrase
+ (cons (cons 'phrase phrase) lal)
+ )))
+
+(defun std11-parse-local-part (lal)
+ (let ((ret (std11-parse-word lal)))
+ (if ret
+ (let ((local-part (cdr (car ret))) dot)
+ (setq lal (cdr ret))
+ (while (and (setq ret (std11-parse-ascii-token lal))
+ (setq dot (car ret))
+ (string-equal (cdr (assq 'specials dot)) ".")
+ (setq ret (std11-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 std11-parse-sub-domain (lal)
+ (let ((ret (std11-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 std11-parse-domain (lal)
+ (let ((ret (std11-parse-sub-domain lal)))
+ (if ret
+ (let ((domain (cdr (car ret))) dot)
+ (setq lal (cdr ret))
+ (while (and (setq ret (std11-parse-ascii-token lal))
+ (setq dot (car ret))
+ (string-equal (cdr (assq 'specials dot)) ".")
+ (setq ret (std11-parse-sub-domain (cdr ret)))
+ (setq domain
+ (append domain dot (cdr (car ret)))
+ )
+ (setq lal (cdr ret))
+ ))
+ (cons (cons 'domain domain) lal)
+ ))))
+
+(defun std11-parse-at-domain (lal)
+ (let ((ret (std11-parse-ascii-token lal)) at-sign)
+ (if (and ret
+ (setq at-sign (car ret))
+ (string-equal (cdr (assq 'specials at-sign)) "@")
+ (setq ret (std11-parse-domain (cdr ret)))
+ )
+ (cons (cons 'at-domain (append at-sign (cdr (car ret))))
+ (cdr ret))
+ )))
+
+(defun std11-parse-addr-spec (lal)
+ (let ((ret (std11-parse-local-part lal))
+ addr)
+ (if (and ret
+ (prog1
+ (setq addr (cdr (car ret)))
+ (setq lal (cdr ret))
+ (and (setq ret (std11-parse-at-domain lal))
+ (setq addr (append addr (cdr (car ret))))
+ (setq lal (cdr ret))
+ )))
+ (cons (cons 'addr-spec addr) lal)
+ )))
+
+(defun std11-parse-route (lal)
+ (let ((ret (std11-parse-at-domain lal))
+ route comma colon)
+ (if (and ret
+ (progn
+ (setq route (cdr (car ret)))
+ (setq lal (cdr ret))
+ (while (and (setq ret (std11-parse-ascii-token lal))
+ (setq comma (car ret))
+ (string-equal (cdr (assq 'specials comma)) ",")
+ (setq ret (std11-parse-at-domain (cdr ret)))
+ )
+ (setq route (append route comma (cdr (car ret))))
+ (setq lal (cdr ret))
+ )
+ (and (setq ret (std11-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 std11-parse-route-addr (lal)
+ (let ((ret (std11-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 (std11-parse-route lal))
+ (setq route (cdr (car ret)))
+ (setq lal (cdr ret))
+ )
+ (setq ret (std11-parse-addr-spec lal))
+ )
+ (setq addr-spec (cdr (car ret)))
+ (setq lal (cdr ret))
+ (setq ret (std11-parse-ascii-token lal))
+ (setq > (car ret))
+ (string-equal (cdr (assq 'specials >)) ">")
+ )
+ (cons (cons 'route-addr (append route addr-spec))
+ (cdr ret)
+ )
+ )))
+
+(defun std11-parse-phrase-route-addr (lal)
+ (let ((ret (std11-parse-phrase lal)) phrase)
+ (if ret
+ (progn
+ (setq phrase (cdr (car ret)))
+ (setq lal (cdr ret))
+ ))
+ (if (setq ret (std11-parse-route-addr lal))
+ (cons (list 'phrase-route-addr
+ phrase
+ (cdr (car ret)))
+ (cdr ret))
+ )))
+
+(defun std11-parse-mailbox (lal)
+ (let ((ret (or (std11-parse-phrase-route-addr lal)
+ (std11-parse-addr-spec lal)))
+ mbox comment)
+ (if (and ret
+ (prog1
+ (setq mbox (car ret))
+ (setq lal (cdr ret))
+ (if (and (setq ret (std11-parse-token-or-comment lal))
+ (setq comment (cdr (assq 'comment (car ret))))
+ )
+ (setq lal (cdr ret))
+ )))
+ (cons (list 'mailbox mbox comment)
+ lal)
+ )))
+
+(defun std11-parse-group (lal)
+ (let ((ret (std11-parse-phrase lal))
+ phrase colon comma mbox semicolon)
+ (if (and ret
+ (setq phrase (cdr (car ret)))
+ (setq lal (cdr ret))
+ (setq ret (std11-parse-ascii-token lal))
+ (setq colon (car ret))
+ (string-equal (cdr (assq 'specials colon)) ":")
+ (setq lal (cdr ret))
+ (progn
+ (and (setq ret (std11-parse-mailbox lal))
+ (setq mbox (list (car ret)))
+ (setq lal (cdr ret))
+ (progn
+ (while (and (setq ret (std11-parse-ascii-token lal))
+ (setq comma (car ret))
+ (string-equal
+ (cdr (assq 'specials comma)) ",")
+ (setq lal (cdr ret))
+ (setq ret (std11-parse-mailbox lal))
+ (setq mbox (cons (car ret) mbox))
+ (setq lal (cdr ret))
+ )
+ )))
+ (and (setq ret (std11-parse-ascii-token lal))
+ (setq semicolon (car ret))
+ (string-equal (cdr (assq 'specials semicolon)) ";")
+ )))
+ (cons (list 'group phrase (nreverse mbox))
+ (cdr ret)
+ )
+ )))
+
+(defun std11-parse-address (lal)
+ (or (std11-parse-group lal)
+ (std11-parse-mailbox lal)
+ ))
+
+(defun std11-parse-addresses (lal)
+ (let ((ret (std11-parse-address lal)))
+ (if ret
+ (let ((dest (list (car ret))))
+ (setq lal (cdr ret))
+ (while (and (setq ret (std11-parse-ascii-token lal))
+ (string-equal (cdr (assq 'specials (car ret))) ",")
+ (setq ret (std11-parse-address (cdr ret)))
+ )
+ (setq dest (cons (car ret) dest))
+ (setq lal (cdr ret))
+ )
+ (nreverse dest)
+ ))))
+
+(defun std11-parse-msg-id (lal)
+ (let ((ret (std11-parse-ascii-token lal))
+ < addr-spec >)
+ (if (and ret
+ (setq < (car ret))
+ (string-equal (cdr (assq 'specials <)) "<")
+ (setq lal (cdr ret))
+ (setq ret (std11-parse-addr-spec lal))
+ (setq addr-spec (car ret))
+ (setq lal (cdr ret))
+ (setq ret (std11-parse-ascii-token lal))
+ (setq > (car ret))
+ (string-equal (cdr (assq 'specials >)) ">")
+ )
+ (cons (cons 'msg-id (cdr addr-spec))
+ (cdr ret))
+ )))
+
+(defun std11-parse-msg-ids (tokens)
+ "Parse lexical TOKENS as `*(phrase / msg-id)', and return the result."
+ (let ((ret (or (std11-parse-msg-id tokens)
+ (std11-parse-phrase tokens))))
+ (if ret
+ (let ((dest (list (car ret))))
+ (setq tokens (cdr ret))
+ (while (setq ret (or (std11-parse-msg-id tokens)
+ (std11-parse-phrase tokens)))
+ (setq dest (cons (car ret) dest))
+ (setq tokens (cdr ret))
+ )
+ (nreverse dest)
+ ))))
+
+(defalias 'std11-parse-in-reply-to 'std11-parse-msg-ids)
+(make-obsolete 'std11-parse-in-reply-to 'std11-parse-msg-ids)
+
+
+;;; @ composer
+;;;
+
+(defun std11-addr-to-string (seq)
+ "Return string from lexical analyzed list SEQ
+represents addr-spec of RFC 822."
+ (mapconcat (function
+ (lambda (token)
+ (let ((name (car token)))
+ (cond
+ ((eq name 'spaces) "")
+ ((eq name 'comment) "")
+ ((eq name 'quoted-string)
+ (concat "\"" (cdr token) "\""))
+ (t (cdr token)))
+ )))
+ seq "")
+ )
+
+;;;###autoload
+(defun std11-address-string (address)
+ "Return string of address part from parsed ADDRESS of RFC 822."
+ (cond ((eq (car address) 'group)
+ (mapconcat (function std11-address-string)
+ (nth 2 address)
+ ", ")
+ )
+ ((eq (car address) 'mailbox)
+ (let ((addr (nth 1 address)))
+ (std11-addr-to-string
+ (if (eq (car addr) 'phrase-route-addr)
+ (nth 2 addr)
+ (cdr addr)
+ )
+ )))))
+
+(defun std11-comment-value-to-string (value)
+ (if (stringp value)
+ (std11-strip-quoted-pair value)
+ (let ((dest ""))
+ (while value
+ (setq dest
+ (concat dest
+ (if (stringp (car value))
+ (car value)
+ (concat "("
+ (std11-comment-value-to-string
+ (cdr (car value)))
+ ")")
+ ))
+ value (cdr value))
+ )
+ dest)))
+
+;;;###autoload
+(defun std11-full-name-string (address)
+ "Return string of full-name part from parsed ADDRESS of RFC 822."
+ (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)
+ (let ((type (car token)))
+ (cond ((eq type 'quoted-string)
+ (std11-strip-quoted-pair (cdr token))
+ )
+ ((eq type 'comment)
+ (concat "("
+ (std11-comment-value-to-string
+ (cdr token))
+ ")")
+ )
+ (t
+ (cdr token)
+ )))))
+ (nth 1 addr) ""))
+ )
+ (cond ((> (length phrase) 0) phrase)
+ (comment (std11-comment-value-to-string comment))
+ )
+ ))))
+
+;;;###autoload
+(defun std11-msg-id-string (msg-id)
+ "Return string from parsed MSG-ID of RFC 822."
+ (concat "<" (std11-addr-to-string (cdr msg-id)) ">")
+ )
+
+;;;###autoload
+(defun std11-fill-msg-id-list-string (string &optional column)
+ "Fill list of msg-id in STRING, and return the result."
+ (or column
+ (setq column 12))
+ (let ((lal (std11-lexical-analyze string))
+ dest)
+ (let ((ret (std11-parse-msg-id lal)))
+ (if ret
+ (let* ((str (std11-msg-id-string (car ret)))
+ (len (length str)))
+ (setq lal (cdr ret))
+ (if (> (+ len column) 76)
+ (setq dest (concat dest "\n " str)
+ column (1+ len))
+ (setq dest str
+ column (+ column len))
+ ))
+ (setq dest (concat dest (cdr (car lal)))
+ lal (cdr lal))
+ ))
+ (while lal
+ (let ((ret (std11-parse-msg-id lal)))
+ (if ret
+ (let* ((str (std11-msg-id-string (car ret)))
+ (len (1+ (length str))))
+ (setq lal (cdr ret))
+ (if (> (+ len column) 76)
+ (setq dest (concat dest "\n " str)
+ column len)
+ (setq dest (concat dest " " str)
+ column (+ column len))
+ ))
+ (setq dest (concat dest (cdr (car lal)))
+ lal (cdr lal))
+ )))
+ dest))
+
+
+;;; @ parser with lexical analyzer
+;;;
+
+;;;###autoload
+(defun std11-parse-address-string (string)
+ "Parse STRING as mail address."
+ (std11-parse-address (std11-lexical-analyze string))
+ )
+
+;;;###autoload
+(defun std11-parse-addresses-string (string)
+ "Parse STRING as mail address list."
+ (std11-parse-addresses (std11-lexical-analyze string))
+ )
+
+;;;###autoload
+(defun std11-parse-msg-id-string (string)
+ "Parse STRING as msg-id."
+ (std11-parse-msg-id (std11-lexical-analyze string))
+ )
+
+;;;###autoload
+(defun std11-parse-msg-ids-string (string)
+ "Parse STRING as `*(phrase / msg-id)'."
+ (std11-parse-msg-ids (std11-lexical-analyze string))
+ )
+
+;;;###autoload
+(defun std11-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."
+ (let* ((structure (car (std11-parse-address-string
+ (std11-unfold-string string))))
+ (phrase (std11-full-name-string structure))
+ (address (std11-address-string structure))
+ )
+ (list phrase address)
+ ))
+
+
+;;; @ end
+;;;
+
+(provide 'std11)
+
+;;; std11.el ends here
projects / elisp / lemi.git / blobdiff