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Jim Blandy 1992-01-09 05:06:34 +00:00
parent e652a34a67
commit 10a4c11f7e
4 changed files with 109 additions and 80 deletions
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114
lisp/mail/mail-utils.el
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@ -41,64 +41,66 @@ from START (inclusive) to END (exclusive)."
"Delete comments and quoted strings in an address list ADDRESS.
Also delete leading/trailing whitespace and replace FOO <BAR> with just BAR.
Return a modified address list."
(if mail-use-rfc822
(progn (require 'rfc822)
(mapconcat 'identity (rfc822-addresses address) ", "))
(let (pos)
(string-match "\\`[ \t\n]*" address)
;; strip surrounding whitespace
(setq address (substring address
(match-end 0)
(string-match "[ \t\n]*\\'" address
(match-end 0))))
(if (null address)
nil
(if mail-use-rfc822
(progn (require 'rfc822)
(mapconcat 'identity (rfc822-addresses address) ", "))
(let (pos)
(string-match "\\`[ \t\n]*" address)
;; strip surrounding whitespace
(setq address (substring address
(match-end 0)
(string-match "[ \t\n]*\\'" address
(match-end 0))))
;; Detect nested comments.
(if (string-match "[ \t]*(\\([^)\"\\]\\|\\\\.\\|\\\\\n\\)*(" address)
;; Strip nested comments.
(save-excursion
(set-buffer (get-buffer-create " *temp*"))
(erase-buffer)
(insert address)
(set-syntax-table lisp-mode-syntax-table)
(goto-char 1)
(while (search-forward "(" nil t)
(forward-char -1)
(skip-chars-backward " \t")
(delete-region (point)
(save-excursion (forward-sexp 1) (point))))
(setq address (buffer-string))
(erase-buffer))
;; Strip non-nested comments an easier way.
(while (setq pos (string-match
;; This doesn't hack rfc822 nested comments
;; `(xyzzy (foo) whinge)' properly. Big deal.
"[ \t]*(\\([^)\"\\]\\|\\\\.\\|\\\\\n\\)*)"
address))
(setq address
(mail-string-delete address
pos (match-end 0)))))
;; Detect nested comments.
(if (string-match "[ \t]*(\\([^)\"\\]\\|\\\\.\\|\\\\\n\\)*(" address)
;; Strip nested comments.
(save-excursion
(set-buffer (get-buffer-create " *temp*"))
(erase-buffer)
(insert address)
(set-syntax-table lisp-mode-syntax-table)
(goto-char 1)
(while (search-forward "(" nil t)
(forward-char -1)
(skip-chars-backward " \t")
(delete-region (point)
(save-excursion (forward-sexp 1) (point))))
(setq address (buffer-string))
(erase-buffer))
;; Strip non-nested comments an easier way.
(while (setq pos (string-match
;; This doesn't hack rfc822 nested comments
;; `(xyzzy (foo) whinge)' properly. Big deal.
"[ \t]*(\\([^)\"\\]\\|\\\\.\\|\\\\\n\\)*)"
address))
(setq address
(mail-string-delete address
pos (match-end 0)))))
;; strip `quoted' names (This is supposed to hack `"Foo Bar" <bar@host>')
(setq pos 0)
(while (setq pos (string-match
"[ \t]*\"\\([^\"\\]\\|\\\\.\\|\\\\\n\\)*\"[ \t\n]*"
address pos))
;; If the next thing is "@", we have "foo bar"@host. Leave it.
(if (and (> (length address) (match-end 0))
(= (aref address (match-end 0)) ?@))
(setq pos (match-end 0))
(setq address
(mail-string-delete address
pos (match-end 0)))))
;; Retain only part of address in <> delims, if there is such a thing.
(while (setq pos (string-match "\\(,\\|\\`\\)[^,]*<\\([^>,]*>\\)"
address))
(let ((junk-beg (match-end 1))
(junk-end (match-beginning 2))
(close (match-end 0)))
(setq address (mail-string-delete address (1- close) close))
(setq address (mail-string-delete address junk-beg junk-end))))
address)))
;; strip `quoted' names (This is supposed to hack `"Foo Bar" <bar@host>')
(setq pos 0)
(while (setq pos (string-match
"[ \t]*\"\\([^\"\\]\\|\\\\.\\|\\\\\n\\)*\"[ \t\n]*"
address pos))
;; If the next thing is "@", we have "foo bar"@host. Leave it.
(if (and (> (length address) (match-end 0))
(= (aref address (match-end 0)) ?@))
(setq pos (match-end 0))
(setq address
(mail-string-delete address
pos (match-end 0)))))
;; Retain only part of address in <> delims, if there is such a thing.
(while (setq pos (string-match "\\(,\\|\\`\\)[^,]*<\\([^>,]*>\\)"
address))
(let ((junk-beg (match-end 1))
(junk-end (match-beginning 2))
(close (match-end 0)))
(setq address (mail-string-delete address (1- close) close))
(setq address (mail-string-delete address junk-beg junk-end))))
address))))
(or (and (boundp 'rmail-default-dont-reply-to-names)
(not (null rmail-default-dont-reply-to-names)))