+++ /dev/null
-;;; std11-parse.el --- STD 11 parser for GNU Emacs
-
-;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
-
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Keywords: mail, news, RFC 822, STD 11
-;; Version:
-;; $Id: std11-parse.el,v 0.15 1996-11-28 19:38:27 morioka Exp $
-
-;; This file is part of MU (Message Utilities).
-
-;; 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 'std11)
-(require 'emu)
-
-
-;;; @ lexical analyze
-;;;
-
-(defconst std11-space-chars " \t\n")
-(defconst std11-spaces-regexp (concat "[" std11-space-chars "]+"))
-(defconst std11-special-chars "][()<>@,;:\\<>.\"")
-(defconst std11-atom-regexp
- (concat "^[^" std11-special-chars std11-space-chars "]+"))
-
-(defun std11-analyze-spaces (string)
- (if (and (string-match std11-spaces-regexp string)
- (= (match-beginning 0) 0))
- (let ((end (match-end 0)))
- (cons (cons 'spaces (substring string 0 end))
- (substring string end)
- ))))
-
-(defun std11-analyze-special (str)
- (if (and (> (length str) 0)
- (find (aref str 0) std11-special-chars)
- )
- (cons (cons 'specials (substring str 0 1))
- (substring str 1)
- )))
-
-(defun std11-analyze-atom (str)
- (if (string-match std11-atom-regexp str)
- (let ((end (match-end 0)))
- (cons (cons 'atom (substring str 0 end))
- (substring str end)
- ))))
-
-(defun std11-check-enclosure (str open close &optional recursive from)
- (let ((len (length str))
- (i (or from 0))
- )
- (if (and (> len i)
- (eq (aref str i) open))
- (let (p chr)
- (setq i (1+ i))
- (catch 'tag
- (while (< i len)
- (setq chr (aref str 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
- str open close recursive i))
- )
- (setq i p)
- (throw 'tag nil)
- ))
- (t
- (setq i (1+ i))
- ))
- ))))))
-
-(defun std11-analyze-quoted-string (str)
- (let ((p (std11-check-enclosure str ?\" ?\")))
- (if p
- (cons (cons 'quoted-string (substring str 1 (1- p)))
- (substring str p))
- )))
-
-(defun std11-analyze-domain-literal (str)
- (let ((p (std11-check-enclosure str ?\[ ?\])))
- (if p
- (cons (cons 'domain-literal (substring str 1 (1- p)))
- (substring str p))
- )))
-
-(defun std11-analyze-comment (str)
- (let ((p (std11-check-enclosure str ?\( ?\) t)))
- (if p
- (cons (cons 'comment (substring str 1 (1- p)))
- (substring str p))
- )))
-
-(defun std11-lexical-analyze (str)
- (let (dest ret)
- (while (not (string-equal str ""))
- (setq ret
- (or (std11-analyze-quoted-string str)
- (std11-analyze-domain-literal str)
- (std11-analyze-comment str)
- (std11-analyze-spaces str)
- (std11-analyze-special str)
- (std11-analyze-atom str)
- '((error) . "")
- ))
- (setq dest (cons (car ret) dest))
- (setq str (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))
- (if (and (setq token-value (cdr token))
- (find-non-ascii-charset-string token-value)
- )
- (setq token nil)
- (std11-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 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)
- ))))
-
-
-;;; @ end
-;;;
-
-(provide 'std11-parse)
-
-;;; std11-parse.el ends here
+++ /dev/null
-;;; std11.el --- STD 11 functions for GNU Emacs
-
-;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
-
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Keywords: mail, news, RFC 822, STD 11
-;; Version: $Id: std11.el,v 0.40 1997-03-03 08:03:06 shuhei-k Exp $
-
-;; This file is part of MU (Message Utilities).
-
-;; 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:
-
-(autoload 'buffer-substring-no-properties "emu")
-(autoload 'member "emu")
-
-
-;;; @ field
-;;;
-
-(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 ()
- "Move to end of field and return this point. [std11.el]"
- (if (re-search-forward std11-next-field-head-regexp nil t)
- (goto-char (match-beginning 0))
- (if (re-search-forward "^$" nil t)
- (goto-char (1- (match-beginning 0)))
- (end-of-line)
- ))
- (point)
- )
-
-(defun std11-field-body (name &optional boundary)
- "Return body of field NAME.
-If BOUNDARY is not nil, it is used as message header separator.
-\[std11.el]"
- (save-excursion
- (save-restriction
- (std11-narrow-to-header boundary)
- (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))
- )))))
-
-(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. [std11.el]"
- (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. [std11.el]"
- (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))))
-
-
-;;; @ unfolding
-;;;
-
-(defun std11-unfold-string (string)
- "Unfold STRING as message header field. [std11.el]"
- (let ((dest ""))
- (while (string-match "\n\\([ \t]\\)" string)
- (setq dest (concat dest
- (substring string 0 (match-beginning 0))
- (match-string 1 string)
- ))
- (setq string (substring string (match-end 0)))
- )
- (concat dest string)
- ))
-
-
-;;; @ header
-;;;
-
-(defun std11-narrow-to-header (&optional boundary)
- "Narrow to the message header.
-If BOUNDARY is not nil, it is used as message header separator.
-\[std11.el]"
- (narrow-to-region
- (goto-char (point-min))
- (if (re-search-forward
- (concat "^\\(" (regexp-quote (or boundary "")) "\\)?$")
- nil t)
- (match-beginning 0)
- (point-max)
- )))
-
-(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.
-\[std11.el]"
- (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.
-\[std11.el]"
- (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.
-\[std11.el]"
- (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))))
-
-
-;;; @ 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. [std11.el]"
- (concat "\""
- (std11-wrap-as-quoted-pairs string std11-non-qtext-char-list)
- "\""))
-
-(defun std11-strip-quoted-pair (string)
- "Strip quoted-pairs in STRING. [std11.el]"
- (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. [std11.el]"
- (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)))
-
-
-;;; @ composer
-;;;
-
-(defun std11-addr-to-string (seq)
- "Return string from lexical analyzed list SEQ
-represents addr-spec of RFC 822. [std11.el]"
- (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 "")
- )
-
-(defun std11-address-string (address)
- "Return string of address part from parsed ADDRESS of RFC 822.
-\[std11.el]"
- (cond ((eq (car address) 'group)
- (mapconcat (function std11-address-string)
- (car (cdr 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-full-name-string (address)
- "Return string of full-name part from parsed ADDRESS of RFC 822.
-\[std11.el]"
- (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-strip-quoted-pair (cdr token))
- ")")
- )
- (t
- (cdr token)
- )))))
- (nth 1 addr) ""))
- )
- (cond ((> (length phrase) 0) phrase)
- (comment (std11-strip-quoted-pair comment))
- )
- ))))
-
-
-;;; @ parser
-;;;
-
-(defun std11-parse-address-string (string)
- "Parse STRING as mail address. [std11.el]"
- (std11-parse-address (std11-lexical-analyze string))
- )
-
-(defun std11-parse-addresses-string (string)
- "Parse STRING as mail address list. [std11.el]"
- (std11-parse-addresses (std11-lexical-analyze string))
- )
-
-(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. [std11.el]"
- (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)
- ))
-
-(provide 'std11)
-
-(mapcar (function
- (lambda (func)
- (autoload func "std11-parse")
- ))
- '(std11-lexical-analyze
- std11-parse-address std11-parse-addresses
- std11-parse-address-string))
-
-
-;;; @ end
-;;;
-
-;;; std11.el ends here
projects / elisp / mu-cite.git / commitdiff