Files
mu4e/emacs/mu-message.el
Dirk-Jan C. Binnema b39b33b82d * emacs/: more WIP
2011-08-02 21:27:59 +03:00

133 lines
4.3 KiB
EmacsLisp

;;; mu-message.el -- use `mu' from emacs
;; Copyright (C) 2011 Dirk-Jan C. Binnema
;; Author: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
;; Maintainer: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
;; Keywords: email
;; Version: 0.0
;; This file is not part of GNU Emacs.
;;
;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; mu-message contains code to generate a message for composing, replying or
;; forwarding
;;; Code:
(require 'mu-common)
(defvar mu-message-citation-prefix "> "
"string to prefix cited message parts with")
(defvar mu-message-reply-prefix "Re:"
"string to prefix the subject of replied messages with")
(defvar mu-message-forward-prefix "Fwd:"
"string to prefix the subject of forwarded messages with")
(defun mu-message-user-agent ()
(format "mu %s; emacs %s" (mu-binary-version) emacs-version))
(defun mu-message-attribution (msg)
"get an attribution line for a quoted message"
(format "On %s, %s wrote:\n"
(format-time-string mu-date-format-long (plist-get msg :date))
(cdr (car (plist-get msg :from)))))
(defun mu-message-cite (msg)
"cite an existing message"
(let ((body
(or (plist-get msg :body-txt)
(let ((html (plist-get msg :body-html)))
(when html
(with-temp-buffer (insert html) (html2text) (buffer-string))))
"")))
(replace-regexp-in-string "^" " > " body)))
(defun mu-message-recipients-remove (email lst)
"remove the recipient with EMAIL from the recipient list (of
form '( (\"A\" . \"a@example.com\") (\"B\" . \"B@example.com\"))"
(remove-if (lambda (c) (string= email (downcase (cdr c))) lst)))
(defun mu-message-recipients-to-string (lst)
"convert a recipient list (of form '( (\"A\"
. \"a@example.com\") (\"B\" . \"B@example.com\") into a string
useful for from/to headers"
(mapconcat
(lambda (recip)
(let ((name (car recip) (email (cdr recip))))
(format "%s <%s>" (or name "") email))) lst ","))
(defun mu-message-hidden-header (hdr val)
"return user-invisible header to the message (HDR: VAL\n)"
(propertize (format "%s: %s\n" hdr val) 'invisible t))
(defun mu-message-reply-or-forward (path &optional forward reply-all)
"create a reply to the message at PATH; if FORWARD is non-nil,
create a forwarded message. After creation, switch to the message editor"
(let* ((cmd (concat mu-binary " view --format=sexp " path))
(str (shell-command-to-string cmd))
(msg (car (read-from-string str)))
(buf (get-buffer-create
(generate-new-buffer-name "*mu-draft*"))))
(with-current-buffer buf
(insert
(format "From: %s <%s>\n" user-full-name user-mail-address)
(mu-message-hidden-header "User-agent" (mu-message-user-agent)))
(when (boundp 'mail-reply-to)
(insert (format "Reply-To: %s\n" mail-reply-to)))
(if forward
(insert
"To:\n"
"Subject: " mu-message-forward-prefix (plist-get msg :subject) "\n")
(insert
"To: " (car (car (plist-get msg :from))) "\n"
"Subject: " mu-message-reply-prefix (plist-get msg :subject) "\n"))
(insert
"--text follows this line--\n\n"
(mu-message-attribution msg)
(mu-message-cite msg))
;; (when mail-signature (insert mail-signature))
(message-mode)
(if forward
(message-goto-to)
(message-goto-body))
(switch-to-buffer buf))))
(defun mu-message-reply ()
"create a reply to the message at point; After creation, switch
to the message editor"
(let ((path (mu-get-path)))
(when path
(mu-ask-key "Reply to [s]ender only or to [a]ll?")
(mu-message-reply-or-forward path))))
(defun mu-message-forward (path)
"create a forward-message to the message at PATH; After
creation, switch to the message editor"
(mu-message-reply-or-forward path t))
(provide 'mu-message)