;;; ietf-drums.el --- Functions for parsing RFC822bis headers
-;; Copyright (C) 1998,99 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
;;; Code:
+(eval-when-compile (require 'cl))
(require 'time-date)
(require 'mm-util)
(defvar ietf-drums-no-ws-ctl-token "\001-\010\013\014\016-\037\177"
"US-ASCII control characters excluding CR, LF and white space.")
(defvar ietf-drums-text-token "\001-\011\013\014\016-\177"
- "US-ASCII characters exlcuding CR and LF.")
+ "US-ASCII characters excluding CR and LF.")
(defvar ietf-drums-specials-token "()<>[]:;@\\,.\""
"Special characters.")
(defvar ietf-drums-quote-token "\\"
"Textual token including full stop.")
(defvar ietf-drums-qtext-token
(concat ietf-drums-no-ws-ctl-token "\041\043-\133\135-\177")
- "Non-white-space control characaters, plus the rest of ASCII excluding backslash and doublequote.")
+ "Non-white-space control characters, plus the rest of ASCII excluding
+backslash and doublequote.")
(defvar ietf-drums-tspecials "][()<>@,;:\\\"/?="
"Tspecials.")
(modify-syntax-entry ?* " " table)
(modify-syntax-entry ?\; " " table)
(modify-syntax-entry ?\' " " table)
+ (if (featurep 'xemacs)
+ (let ((i 128))
+ (while (< i 256)
+ (modify-syntax-entry i "w" table)
+ (setq i (1+ i)))))
table))
(defun ietf-drums-token-to-list (token)
(buffer-string))))
(defun ietf-drums-remove-whitespace (string)
- "Remove comments from STRING."
+ "Remove whitespace from STRING."
(with-temp-buffer
(ietf-drums-init string)
(let (c)
(forward-char 1))))
result)))
+(defun ietf-drums-strip (string)
+ "Remove comments and whitespace from STRING."
+ (ietf-drums-remove-whitespace (ietf-drums-remove-comments string)))
+
(defun ietf-drums-parse-address (string)
"Parse STRING and return a MAILBOX / DISPLAY-NAME pair."
(with-temp-buffer
(defun ietf-drums-parse-addresses (string)
"Parse STRING and return a list of MAILBOX / DISPLAY-NAME pairs."
- (with-temp-buffer
- (ietf-drums-init string)
- (let ((beg (point))
- pairs c)
- (while (not (eobp))
- (setq c (char-after))
- (cond
- ((memq c '(?\" ?< ?\())
- (forward-sexp 1))
- ((eq c ?,)
- (push (ietf-drums-parse-address (buffer-substring beg (point)))
- pairs)
- (forward-char 1)
- (setq beg (point)))
- (t
- (forward-char 1))))
- (push (ietf-drums-parse-address (buffer-substring beg (point)))
- pairs)
- (nreverse pairs))))
+ (if (null string)
+ nil
+ (with-temp-buffer
+ (ietf-drums-init string)
+ (let ((beg (point))
+ pairs c address)
+ (while (not (eobp))
+ (setq c (char-after))
+ (cond
+ ((memq c '(?\" ?< ?\())
+ (condition-case nil
+ (forward-sexp 1)
+ (error
+ (skip-chars-forward "^,"))))
+ ((eq c ?,)
+ (setq address
+ (condition-case nil
+ (ietf-drums-parse-address
+ (buffer-substring beg (point)))
+ (error nil)))
+ (if address (push address pairs))
+ (forward-char 1)
+ (setq beg (point)))
+ (t
+ (forward-char 1))))
+ (setq address
+ (condition-case nil
+ (ietf-drums-parse-address
+ (buffer-substring beg (point)))
+ (error nil)))
+ (if address (push address pairs))
+ (nreverse pairs)))))
(defun ietf-drums-unfold-fws ()
"Unfold folding white space in the current buffer."