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;;; company-ebdb.el --- company-mode completion backend for EBDB in message-mode
;; Copyright (C) 2013-2014, 2016 Free Software Foundation, Inc.
;; Author: Jan Tatarik <jan.tatarik@gmail.com>
;; Maintainer: Eric Abrahamsen <eric@ericabrahamsen.net>
;; Version: 1.1
;; Package-Requires: ((company "0.9.4") (ebdb "0.2"))
;; This file is 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Company integration for EBDB. Copied more or less intact from
;; company-bbdb, originally by Jan Tatarik.
;;; Code:
(require 'company)
(require 'cl-lib)
(declare-function ebdb-record-mail "ebdb")
(declare-function ebdb-records "ebdb")
(declare-function ebdb-dwim-mail "ebdb-com")
(declare-function ebdb-search "ebdb-com")
(defgroup company-ebdb nil
"Completion backend for EBDB."
:group 'company)
(defcustom company-ebdb-modes '(message-mode mail-mode)
"Major modes in which `company-ebdb' may complete."
:type '(repeat (symbol :tag "Major mode"))
:package-version '(company . "0.8.8"))
(defcustom company-ebdb-pop-up t
"When non-nil, pop up an *EBDB* buffer after completion."
:type 'boolean)
(defun company-ebdb--candidates (arg)
(cl-mapcan (lambda (record)
(delq nil
(mapcar (lambda (mail)
(let ((dwim (ebdb-dwim-mail record mail)))
(when (string-match-p arg dwim)
dwim)))
(ebdb-record-mail record))))
(eval '(ebdb-search (ebdb-records) `((ebdb-field-name ,arg)
(ebdb-field-mail ,arg))))))
(defun company-ebdb--post-complete (arg)
(when (and company-ebdb-pop-up
(apply #'derived-mode-p company-ebdb-modes))
(let* ((bits (ebdb-decompose-ebdb-address arg))
(recs (ebdb-message-search (car bits) (nth 1 bits))))
(when recs
(ebdb-display-records recs nil nil nil (ebdb-popup-window))))))
;;;###autoload
(defun company-ebdb (command &optional arg &rest ignore)
"`company-mode' completion backend for EBDB."
(interactive (list 'interactive))
(cl-case command
(interactive (company-begin-backend 'company-ebdb))
(prefix (and (apply #'derived-mode-p company-ebdb-modes)
(featurep 'ebdb-com)
(looking-back "^\\(To\\|Cc\\|Bcc\\): *.*? *\\([^,;]*\\)"
(line-beginning-position))
(match-string-no-properties 2)))
(candidates (company-ebdb--candidates arg))
(post-completion (company-ebdb--post-complete arg))
(sorted t)
(no-cache t)))
(add-to-list 'company-backends 'company-ebdb)
(provide 'company-ebdb)
;;; company-ebdb.el ends here
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