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| | ;; notmuch-address.el --- address completion with notmuch
;;
;; Copyright © David Edmondson
;;
;; This file is part of Notmuch.
;;
;; Notmuch 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.
;;
;; Notmuch 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 Notmuch. If not, see <http://www.gnu.org/licenses/>.
;;
;; Authors: David Edmondson <dme@dme.org>
(require 'message)
;;
(defcustom notmuch-address-command "notmuch-addresses"
"The command which generates possible addresses. It must take a
single argument and output a list of possible matches, one per
line."
:type 'string
:group 'notmuch-send
:group 'notmuch-external)
(defvar notmuch-address-message-alist-member
'("^\\(Resent-\\)?\\(To\\|B?Cc\\|Reply-To\\|From\\|Mail-Followup-To\\|Mail-Copies-To\\):"
. notmuch-address-expand-name))
(defvar notmuch-address-history nil)
(defun notmuch-address-message-insinuate ()
(if (not (memq notmuch-address-message-alist-member message-completion-alist))
(setq message-completion-alist
(push notmuch-address-message-alist-member message-completion-alist))))
(defun notmuch-address-options (original)
(process-lines notmuch-address-command original))
(defun notmuch-address-expand-name ()
(let* ((end (point))
(beg (save-excursion
(re-search-backward "\\(\\`\\|[\n:,]\\)[ \t]*")
(goto-char (match-end 0))
(point)))
(orig (buffer-substring-no-properties beg end))
(completion-ignore-case t)
(options (notmuch-address-options orig))
(num-options (length options))
(chosen (if (eq num-options 1)
(car options)
(completing-read (format "Address (%s matches): " num-options)
(cdr options) nil nil (car options)
'notmuch-address-history))))
(when chosen
(push chosen notmuch-address-history)
(delete-region beg end)
(insert chosen))))
;; Copied from `w3m-which-command'.
(defun notmuch-address-locate-command (command)
"Return non-nil if `command' is an executable either on
`exec-path' or an absolute pathname."
(when (stringp command)
(if (and (file-name-absolute-p command)
(file-executable-p command))
command
(setq command (file-name-nondirectory command))
(catch 'found-command
(let (bin)
(dolist (dir exec-path)
(setq bin (expand-file-name command dir))
(when (or (and (file-executable-p bin)
(not (file-directory-p bin)))
(and (file-executable-p (setq bin (concat bin ".exe")))
(not (file-directory-p bin))))
(throw 'found-command bin))))))))
;; If we can find the program specified by `notmuch-address-command',
;; insinuate ourselves into `message-mode'.
(when (notmuch-address-locate-command notmuch-address-command)
(notmuch-address-message-insinuate))
;;
(provide 'notmuch-address)
|