1 ;; notmuch-address.el --- address completion with notmuch
3 ;; Copyright © David Edmondson
5 ;; This file is part of Notmuch.
7 ;; Notmuch is free software: you can redistribute it and/or modify it
8 ;; under the terms of the GNU General Public License as published by
9 ;; the Free Software Foundation, either version 3 of the License, or
10 ;; (at your option) any later version.
12 ;; Notmuch is distributed in the hope that it will be useful, but
13 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 ;; General Public License for more details.
17 ;; You should have received a copy of the GNU General Public License
18 ;; along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
20 ;; Authors: David Edmondson <dme@dme.org>
26 (defcustom notmuch-address-command "notmuch-addresses"
27 "The command which generates possible addresses. It must take a
28 single argument and output a list of possible matches, one per
33 (defvar notmuch-address-message-alist-member
34 '("^\\(Resent-\\)?\\(To\\|B?Cc\\|Reply-To\\|From\\|Mail-Followup-To\\|Mail-Copies-To\\):"
35 . notmuch-address-expand-name))
37 (defvar notmuch-address-history nil)
39 (defun notmuch-address-message-insinuate ()
40 (if (not (memq notmuch-address-message-alist-member message-completion-alist))
41 (setq message-completion-alist
42 (push notmuch-address-message-alist-member message-completion-alist))))
44 (defun notmuch-address-options (original)
45 (process-lines notmuch-address-command original))
47 (defun notmuch-address-expand-name ()
50 (re-search-backward "\\(\\`\\|[\n:,]\\)[ \t]*")
51 (goto-char (match-end 0))
53 (orig (buffer-substring-no-properties beg end))
54 (completion-ignore-case t)
55 (options (notmuch-address-options orig))
56 (num-options (length options))
63 (completing-read (format "Address (%s matches): " num-options)
64 (cdr options) nil nil (car options)
65 'notmuch-address-history)))))
68 (push chosen notmuch-address-history)
69 (delete-region beg end)
71 (message "No matches.")
74 ;; Copied from `w3m-which-command'.
75 (defun notmuch-address-locate-command (command)
76 "Return non-nil if `command' is an executable either on
77 `exec-path' or an absolute pathname."
78 (when (stringp command)
79 (if (and (file-name-absolute-p command)
80 (file-executable-p command))
82 (setq command (file-name-nondirectory command))
85 (dolist (dir exec-path)
86 (setq bin (expand-file-name command dir))
87 (when (or (and (file-executable-p bin)
88 (not (file-directory-p bin)))
89 (and (file-executable-p (setq bin (concat bin ".exe")))
90 (not (file-directory-p bin))))
91 (throw 'found-command bin))))))))
93 ;; If we can find the program specified by `notmuch-address-command',
94 ;; insinuate ourselves into `message-mode'.
95 (when (notmuch-address-locate-command notmuch-address-command)
96 (notmuch-address-message-insinuate))
100 (provide 'notmuch-address)