BBDB completion in message-mode

diff --git a/company-bbdb.el b/company-bbdb.el
new file mode 100644 (file)
index 0000000..4e7fdda
--- /dev/null
+++ b/company-bbdb.el
@@ -0,0 +1,53 @@
+;;; company-bbdb.el --- A company-mode completion back-end for BBDB in message-mode
+
+;; Copyright (C) 2013-2014  Free Software Foundation, Inc.
+
+;; Author: Jan Tatarik <jan.tatarik@gmail.com>
+
+;; 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 <http://www.gnu.org/licenses/>.
+
+(require 'company)
+(eval-when-compile (require 'cl))
+(require 'bbdb nil t)
+(require 'bbdb-com nil t)
+
+(defvar company-bbdb-records (make-hash-table :test 'equal))
+
+;;;###autoload
+(defun company-bbdb (command &optional arg &rest ignore)
+  "A `company-mode' completion back-end for `bbdb'."
+  (interactive (list 'interactive))
+  (case command
+    (interactive (company-begin-backend 'company-bbdb))
+    (prefix (and (eq major-mode 'message-mode)
+                 (featurep 'bbdb-com)
+                 (looking-back "^\\(To\\|Cc\\|Bcc\\):.*"
+                               (line-beginning-position))
+                 (company-grab-symbol)))
+    (candidates (mapcan (lambda (record)
+                          (mapcar (lambda (mail)
+                                    (let ((full-mail (bbdb-dwim-mail record mail)))
+                                      (puthash full-mail record company-bbdb-records)
+                                      full-mail))
+                                  (bbdb-record-get-field record 'mail)))
+                        (bbdb-search (bbdb-records) arg nil arg)))
+
+    (sorted t)
+    (no-cache t)
+    (t nil)))
+
+(provide 'company-bbdb)
+;;; company-bbdb.el ends here

diff --git a/company.el b/company.el
index 18d1d386f7cb629434480189428289df63fe0809..2814ab744412ebd91944c01232622ac9414d8f58 100644 (file)
--- a/company.el
+++ b/company.el
@@ -256,6 +256,7 @@ If this many lines are not available, prefer to display the tooltip above."
 
 (defvar company-safe-backends
   '((company-abbrev . "Abbrev")
+    (company-bbdb . "BBDB")
     (company-capf . "completion-at-point-functions")
     (company-clang . "Clang")
     (company-cmake . "CMake")
@@ -290,6 +291,7 @@ If this many lines are not available, prefer to display the tooltip above."
 
 (defcustom company-backends `(,@(unless company--include-capf
                                   (list 'company-elisp))
+                              company-bbdb
                               company-nxml company-css
                               company-eclim company-semantic company-clang
                               company-xcode company-ropemacs company-cmake