-;;; company-ispell.el --- a company-mode completion back-end using ispell
-;;
-;; Copyright (C) 2009 Nikolaj Schumacher
-;;
-;; This file is part of company.
-;;
-;; This program 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 2
-;; of the License, or (at your option) any later version.
-;;
-;; This program is distributed in the hope that it will be useful,
+;;; company-ispell.el --- company-mode completion backend using Ispell
+
+;; Copyright (C) 2009-2011, 2013-2016 Free Software Foundation, Inc.
+
+;; Author: Nikolaj Schumacher
+
+;; 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 this program. If not, see <http://www.gnu.org/licenses/>.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+
+;;; Commentary:
+;;
+
+;;; Code:
(require 'company)
+(require 'cl-lib)
(require 'ispell)
-(eval-when-compile (require 'cl))
+
+(defgroup company-ispell nil
+ "Completion backend using Ispell."
+ :group 'company)
(defcustom company-ispell-dictionary nil
- "*Dictionary to use for `company-ispell'.
+ "Dictionary to use for `company-ispell'.
If nil, use `ispell-complete-word-dict'."
- :group 'company
:type '(choice (const :tag "default (nil)" nil)
(file :tag "dictionary" t)))
+(defvar company-ispell-available 'unknown)
+
+(defalias 'company-ispell--lookup-words
+ (if (fboundp 'ispell-lookup-words)
+ 'ispell-lookup-words
+ 'lookup-words))
+
+(defun company-ispell-available ()
+ (when (eq company-ispell-available 'unknown)
+ (condition-case err
+ (progn
+ (company-ispell--lookup-words "WHATEVER")
+ (setq company-ispell-available t))
+ (error
+ (message "Company: ispell-look-command not found")
+ (setq company-ispell-available nil))))
+ company-ispell-available)
+
+;;;###autoload
(defun company-ispell (command &optional arg &rest ignored)
- (case command
- ('prefix (company-grab "\\<\\w+\\>"))
- ('candidates (lookup-words arg (or company-ispell-dictionary
- ispell-complete-word-dict)))
- ('sorted t)
- ('ignore-case t)))
+ "`company-mode' completion backend using Ispell."
+ (interactive (list 'interactive))
+ (cl-case command
+ (interactive (company-begin-backend 'company-ispell))
+ (prefix (when (company-ispell-available)
+ (company-grab-word)))
+ (candidates
+ (let ((words (company-ispell--lookup-words
+ arg
+ (or company-ispell-dictionary ispell-complete-word-dict)))
+ (completion-ignore-case t))
+ (if (string= arg "")
+ ;; Small optimization.
+ words
+ ;; Work around issue #284.
+ (all-completions arg words))))
+ (sorted t)
+ (ignore-case 'keep-prefix)))
(provide 'company-ispell)
;;; company-ispell.el ends here