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1 ;;; company-bbdb.el --- company-mode completion backend for BBDB in message-mode
2
3 ;; Copyright (C) 2013-2016, 2020 Free Software Foundation, Inc.
4
5 ;; Author: Jan Tatarik <jan.tatarik@gmail.com>
6
7 ;; This file is part of GNU Emacs.
8
9 ;; GNU Emacs is free software: you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation, either version 3 of the License, or
12 ;; (at your option) any later version.
13
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
18
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
21
22 (require 'company)
23 (require 'cl-lib)
24
25 (declare-function bbdb-record-get-field "bbdb")
26 (declare-function bbdb-records "bbdb")
27 (declare-function bbdb-dwim-mail "bbdb-com")
28 (declare-function bbdb-search "bbdb-com")
29
30 (defgroup company-bbdb nil
31 "Completion backend for BBDB."
32 :group 'company)
33
34 (defcustom company-bbdb-modes '(message-mode)
35 "Major modes in which `company-bbdb' may complete."
36 :type '(repeat (symbol :tag "Major mode"))
37 :package-version '(company . "0.8.8"))
38
39 (defun company-bbdb--candidates (arg)
40 (cl-mapcan (lambda (record)
41 (mapcar (lambda (mail) (bbdb-dwim-mail record mail))
42 (bbdb-record-get-field record 'mail)))
43 (eval '(bbdb-search (bbdb-records) arg nil arg))))
44
45 ;;;###autoload
46 (defun company-bbdb (command &optional arg &rest ignore)
47 "`company-mode' completion backend for BBDB."
48 (interactive (list 'interactive))
49 (cl-case command
50 (interactive (company-begin-backend 'company-bbdb))
51 (prefix (and (memq major-mode company-bbdb-modes)
52 (featurep 'bbdb-com)
53 (let ((case-fold-search t))
54 (looking-back
55 "^\\([^ :]*-\\)?\\(To\\|B?Cc\\|From\\):.*? *\\([^,;]*\\)"
56 (line-beginning-position)))
57 (match-string-no-properties 3)))
58 (candidates (company-bbdb--candidates arg))
59 (sorted t)
60 (no-cache t)))
61
62 (provide 'company-bbdb)
63 ;;; company-bbdb.el ends here