464 lines
16 KiB
EmacsLisp
464 lines
16 KiB
EmacsLisp
;; Mail sending commands for Emacs.
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;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 1, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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(provide 'sendmail)
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;(defconst mail-self-blind nil
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; "Non-nil means insert BCC to self in messages to be sent.
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;This is done when the message is initialized,
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;so you can remove or alter the BCC field to override the default.")
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;(defconst mail-interactive nil
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; "Non-nil means when sending a message wait for and display errors.
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;nil means let mailer mail back a message to report errors.")
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;(defconst mail-yank-ignored-headers
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; "^via:\\|^mail-from:\\|^origin:\\|^status:\\|^remailed\\|^received:\\|^message-id:\\|^summary-line:\\|^to:\\|^subject:\\|^in-reply-to:\\|^return-path:"
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; "Delete these headers from old message when it's inserted in a reply.")
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;(defvar send-mail-function 'sendmail-send-it
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; "Function to call to send the current buffer as mail.
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;The headers are be delimited by a line which is mail-header-separator"")
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; really defined in loaddefs for emacs 17.17+
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;(defvar mail-header-separator "--text follows this line--"
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; "*Line used to separate headers from text in messages being composed.")
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; really defined in loaddefs for emacs 17.17+
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;(defvar mail-archive-file-name nil
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; "*Name of file to write all outgoing messages in, or nil for none.")
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; really defined in loaddefs for emacs 17.17+
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(defvar mail-aliases t
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"Alias of mail address aliases,
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or t meaning should be initialized from .mailrc.")
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(defvar mail-default-reply-to nil
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"*Address to insert as default Reply-to field of outgoing messages.")
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(defvar mail-abbrevs-loaded nil)
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(defvar mail-mode-map nil)
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(autoload 'build-mail-aliases "mailalias"
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"Read mail aliases from ~/.mailrc and set mail-aliases."
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nil)
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(autoload 'expand-mail-aliases "mailalias"
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"Expand all mail aliases in suitable header fields found between BEG and END.
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Suitable header fields are To, CC and BCC."
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nil)
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(defun mail-setup (to subject in-reply-to cc replybuffer)
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(if (eq mail-aliases t)
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(progn
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(setq mail-aliases nil)
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(if (file-exists-p "~/.mailrc")
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(build-mail-aliases))))
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(setq mail-reply-buffer replybuffer)
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(goto-char (point-min))
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(insert "To: ")
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(save-excursion
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(if to
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(progn
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(insert to "\n")
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;;; Here removed code to extract names from within <...>
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;;; on the assumption that mail-strip-quoted-names
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;;; has been called and has done so.
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(let ((fill-prefix "\t"))
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(fill-region (point-min) (point-max))))
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(newline))
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(if cc
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(let ((opos (point))
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(fill-prefix "\t"))
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(insert "CC: " cc "\n")
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(fill-region-as-paragraph opos (point-max))))
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(if in-reply-to
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(insert "In-reply-to: " in-reply-to "\n"))
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(insert "Subject: " (or subject "") "\n")
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(if mail-default-reply-to
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(insert "Reply-to: " mail-default-reply-to "\n"))
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(if mail-self-blind
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(insert "BCC: " (user-login-name) "\n"))
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(if mail-archive-file-name
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(insert "FCC: " mail-archive-file-name "\n"))
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(insert mail-header-separator "\n"))
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(if to (goto-char (point-max)))
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(or to subject in-reply-to
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(set-buffer-modified-p nil))
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(run-hooks 'mail-setup-hook))
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(defun mail-mode ()
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"Major mode for editing mail to be sent.
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Separate names of recipients (in To: and Cc: fields) with commas.
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Like Text Mode but with these additional commands:
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C-c C-s mail-send (send the message) C-c C-c mail-send-and-exit
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C-c C-f move to a header field (and create it if there isn't):
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C-c C-f C-t move to To: C-c C-f C-s move to Subj:
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C-c C-f C-b move to BCC: C-c C-f C-c move to CC:
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C-c C-w mail-signature (insert ~/.signature at end).
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C-c C-y mail-yank-original (insert current message, in Rmail).
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C-c C-q mail-fill-yanked-message (fill what was yanked)."
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(interactive)
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(kill-all-local-variables)
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(make-local-variable 'mail-reply-buffer)
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(setq mail-reply-buffer nil)
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(set-syntax-table text-mode-syntax-table)
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(use-local-map mail-mode-map)
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(setq local-abbrev-table text-mode-abbrev-table)
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(setq major-mode 'mail-mode)
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(setq mode-name "Mail")
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(setq buffer-offer-save t)
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(make-local-variable 'paragraph-separate)
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(make-local-variable 'paragraph-start)
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(setq paragraph-start (concat "^" mail-header-separator
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"$\\|^[ \t]*[-_][-_][-_]+$\\|"
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paragraph-start))
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(setq paragraph-separate (concat "^" mail-header-separator
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"$\\|^[ \t]*[-_][-_][-_]+$\\|"
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paragraph-separate))
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(run-hooks 'text-mode-hook 'mail-mode-hook))
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(if mail-mode-map
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nil
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(setq mail-mode-map (make-sparse-keymap))
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(define-key mail-mode-map "\C-c?" 'describe-mode)
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(define-key mail-mode-map "\C-c\C-f\C-t" 'mail-to)
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(define-key mail-mode-map "\C-c\C-f\C-b" 'mail-bcc)
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(define-key mail-mode-map "\C-c\C-f\C-c" 'mail-cc)
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(define-key mail-mode-map "\C-c\C-f\C-s" 'mail-subject)
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(define-key mail-mode-map "\C-c\C-w" 'mail-signature) ; who
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(define-key mail-mode-map "\C-c\C-y" 'mail-yank-original)
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(define-key mail-mode-map "\C-c\C-q" 'mail-fill-yanked-message)
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(define-key mail-mode-map "\C-c\C-c" 'mail-send-and-exit)
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(define-key mail-mode-map "\C-c\C-s" 'mail-send))
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(defun mail-send-and-exit (arg)
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"Send message like mail-send, then, if no errors, exit from mail buffer.
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Prefix arg means don't delete this window."
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(interactive "P")
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(mail-send)
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(bury-buffer (current-buffer))
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(if (and (not arg)
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(not (one-window-p))
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(save-excursion
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(set-buffer (window-buffer (next-window (selected-window) 'not)))
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(eq major-mode 'rmail-mode)))
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(delete-window)
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(switch-to-buffer (other-buffer (current-buffer)))))
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(defun mail-send ()
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"Send the message in the current buffer.
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If mail-interactive is non-nil, wait for success indication
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or error messages, and inform user.
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Otherwise any failure is reported in a message back to
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the user from the mailer."
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(interactive)
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(message "Sending...")
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(funcall send-mail-function)
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(set-buffer-modified-p nil)
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(delete-auto-save-file-if-necessary)
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(message "Sending...done"))
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(defun sendmail-send-it ()
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(let ((errbuf (if mail-interactive
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(generate-new-buffer " sendmail errors")
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0))
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(tembuf (generate-new-buffer " sendmail temp"))
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(case-fold-search nil)
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delimline
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(mailbuf (current-buffer)))
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(unwind-protect
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(save-excursion
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(set-buffer tembuf)
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(setq buffer-undo-list t)
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(erase-buffer)
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(insert-buffer-substring mailbuf)
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(goto-char (point-max))
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;; require one newline at the end.
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(or (= (preceding-char) ?\n)
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(insert ?\n))
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;; Change header-delimiter to be what sendmail expects.
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(goto-char (point-min))
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(re-search-forward
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(concat "^" (regexp-quote mail-header-separator) "\n"))
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(replace-match "\n")
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(backward-char 1)
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(setq delimline (point-marker))
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(if mail-aliases
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(expand-mail-aliases (point-min) delimline))
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(goto-char (point-min))
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;; ignore any blank lines in the header
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(while (and (re-search-forward "\n\n\n*" delimline t)
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(< (point) delimline))
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(replace-match "\n"))
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(let ((case-fold-search t))
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;; Find and handle any FCC fields.
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(goto-char (point-min))
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(if (re-search-forward "^FCC:" delimline t)
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(mail-do-fcc delimline))
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;; If there is a From and no Sender, put it a Sender.
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(goto-char (point-min))
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(and (re-search-forward "^From:" delimline t)
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(not (save-excursion
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(goto-char (point-min))
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(re-search-forward "^Sender:" delimline t)))
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(progn
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(forward-line 1)
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(insert "Sender: " (user-login-name) "\n")))
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;; don't send out a blank subject line
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(goto-char (point-min))
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(if (re-search-forward "^Subject:[ \t]*\n" delimline t)
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(replace-match ""))
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(if mail-interactive
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(save-excursion
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(set-buffer errbuf)
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(erase-buffer))))
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(apply 'call-process-region
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(append (list (point-min) (point-max)
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(if (boundp 'sendmail-program)
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sendmail-program
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"/usr/lib/sendmail")
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nil errbuf nil
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"-oi" "-t")
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;; Always specify who from,
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;; since some systems have broken sendmails.
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(list "-f" (user-login-name))
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;;; ;; Don't say "from root" if running under su.
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;;; (and (equal (user-real-login-name) "root")
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;;; (list "-f" (user-login-name)))
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;; These mean "report errors by mail"
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;; and "deliver in background".
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(if (null mail-interactive) '("-oem" "-odb"))))
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(if mail-interactive
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(save-excursion
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(set-buffer errbuf)
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(goto-char (point-min))
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(while (re-search-forward "\n\n* *" nil t)
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(replace-match "; "))
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(if (not (zerop (buffer-size)))
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(error "Sending...failed to %s"
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(buffer-substring (point-min) (point-max)))))))
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(kill-buffer tembuf)
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(if (bufferp errbuf)
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(kill-buffer errbuf)))))
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(defun mail-do-fcc (header-end)
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(let (fcc-list
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(rmailbuf (current-buffer))
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timezone
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(tembuf (generate-new-buffer " rmail output"))
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(case-fold-search t))
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward "^FCC:[ \t]*" header-end t)
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(setq fcc-list (cons (buffer-substring (point)
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(progn
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(end-of-line)
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(skip-chars-backward " \t")
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(point)))
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fcc-list))
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(delete-region (match-beginning 0)
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(progn (forward-line 1) (point))))
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(set-buffer tembuf)
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(erase-buffer)
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(call-process "date" nil t nil)
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(end-of-line)
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(forward-word -1)
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(delete-region (1- (point)) (point-max))
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(forward-word -1)
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(setq timezone (buffer-substring (point) (point-max)))
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(erase-buffer)
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(insert "\nFrom " (user-login-name) " "
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(current-time-string) " " timezone "\n")
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(insert-buffer-substring rmailbuf)
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;; Make sure messages are separated.
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(goto-char (point-max))
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(insert ?\n)
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(goto-char 2)
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;; ``Quote'' "^From " as ">From "
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;; (note that this isn't really quoting, as there is no requirement
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;; that "^[>]+From " be quoted in the same transparent way.)
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(let ((case-fold-search nil))
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(while (search-forward "\nFrom " nil t)
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(forward-char -5)
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(insert ?>)))
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(while fcc-list
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(let ((buffer (get-file-buffer (car fcc-list))))
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(if buffer
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;; File is present in a buffer => append to that buffer.
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(let ((curbuf (current-buffer))
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(beg (point-min)) (end (point-max)))
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(save-excursion
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(set-buffer buffer)
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(goto-char (point-max))
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(insert-buffer-substring curbuf beg end)))
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;; Else append to the file directly.
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(write-region (point-min) (point-max) (car fcc-list) t)))
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(setq fcc-list (cdr fcc-list))))
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(kill-buffer tembuf)))
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(defun mail-to ()
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"Move point to end of To-field."
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(interactive)
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(expand-abbrev)
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(mail-position-on-field "To"))
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(defun mail-subject ()
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"Move point to end of Subject-field."
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(interactive)
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(expand-abbrev)
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(mail-position-on-field "Subject"))
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(defun mail-cc ()
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"Move point to end of CC-field. Create a CC field if none."
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(interactive)
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(expand-abbrev)
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(or (mail-position-on-field "cc" t)
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(progn (mail-position-on-field "to")
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(insert "\nCC: "))))
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(defun mail-bcc ()
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"Move point to end of BCC-field. Create a BCC field if none."
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(interactive)
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(expand-abbrev)
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(or (mail-position-on-field "bcc" t)
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(progn (mail-position-on-field "to")
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(insert "\nBCC: "))))
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(defun mail-position-on-field (field &optional soft)
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(let (end
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(case-fold-search t))
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(goto-char (point-min))
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(search-forward (concat "\n" mail-header-separator "\n"))
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(setq end (match-beginning 0))
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(goto-char (point-min))
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(if (re-search-forward (concat "^" (regexp-quote field) ":") end t)
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(progn
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(re-search-forward "^[^ \t]" nil 'move)
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(beginning-of-line)
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(skip-chars-backward "\n")
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t)
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(or soft
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(progn (goto-char end)
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(skip-chars-backward "\n")
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(insert "\n" field ": ")))
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nil)))
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(defun mail-signature ()
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"Sign letter with contents of ~/.signature file."
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(interactive)
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(save-excursion
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(goto-char (point-max))
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(insert-file-contents (expand-file-name "~/.signature"))))
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(defun mail-fill-yanked-message (&optional justifyp)
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"Fill the paragraphs of a message yanked into this one.
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Numeric argument means justify as well."
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(interactive "P")
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(save-excursion
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(goto-char (point-min))
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(search-forward (concat "\n" mail-header-separator "\n") nil t)
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(fill-individual-paragraphs (point)
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(point-max)
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justifyp
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t)))
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(defun mail-yank-original (arg)
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"Insert the message being replied to, if any (in rmail).
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Puts point before the text and mark after.
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Indents each nonblank line ARG spaces (default 3).
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Just \\[universal-argument] as argument means don't indent
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and don't delete any header fields."
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(interactive "P")
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(if mail-reply-buffer
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(let ((start (point)))
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(delete-windows-on mail-reply-buffer)
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(insert-buffer mail-reply-buffer)
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(if (consp arg)
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nil
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(mail-yank-clear-headers start (mark))
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(indent-rigidly start (mark)
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(if arg (prefix-numeric-value arg) 3)))
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(exchange-point-and-mark)
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(if (not (eolp)) (insert ?\n)))))
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(defun mail-yank-clear-headers (start end)
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(save-excursion
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(goto-char start)
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(if (search-forward "\n\n" end t)
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(save-restriction
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(narrow-to-region start (point))
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(goto-char start)
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(while (let ((case-fold-search t))
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(re-search-forward mail-yank-ignored-headers nil t))
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(beginning-of-line)
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(delete-region (point)
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(progn (re-search-forward "\n[^ \t]")
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(forward-char -1)
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(point))))))))
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;; Put these last, to reduce chance of lossage from quitting in middle of loading the file.
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(defun mail (&optional noerase to subject in-reply-to cc replybuffer)
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"Edit a message to be sent. Argument means resume editing (don't erase).
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Returns with message buffer selected; value t if message freshly initialized.
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While editing message, type C-c C-c to send the message and exit.
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Separate names of recipients with commas.
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Various special commands starting with C-c are available in sendmail mode
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to move to message header fields:
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\\{mail-mode-map}
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If mail-self-blind is non-nil, a BCC to yourself is inserted
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when the message is initialized.
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If mail-default-reply-to is non-nil, it should be an address (a string);
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a Reply-to: field with that address is inserted.
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If mail-archive-file-name is non-nil, an FCC field with that file name
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is inserted.
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If mail-setup-hook is bound, its value is called with no arguments
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after the message is initialized. It can add more default fields.
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When calling from a program, the second through fifth arguments
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TO, SUBJECT, IN-REPLY-TO and CC specify if non-nil
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the initial contents of those header fields.
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These arguments should not have final newlines.
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The sixth argument REPLYBUFFER is a buffer whose contents
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should be yanked if the user types C-c C-y."
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(interactive "P")
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(switch-to-buffer "*mail*")
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(setq default-directory (expand-file-name "~/"))
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(auto-save-mode auto-save-default)
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(mail-mode)
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(and (not noerase)
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(or (not (buffer-modified-p))
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(y-or-n-p "Unsent message being composed; erase it? "))
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(progn (erase-buffer)
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(mail-setup to subject in-reply-to cc replybuffer)
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t)))
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(defun mail-other-window (&optional noerase to subject in-reply-to cc replybuffer)
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"Like `mail' command, but display mail buffer in another window."
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||
(interactive "P")
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(let ((pop-up-windows t))
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||
(pop-to-buffer "*mail*"))
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(mail noerase to subject in-reply-to cc replybuffer))
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||
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;;; Do not add anything but external entries on this page.
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