my-emacs-d/elpa/company-20160626.1903/company-ispell.el

83 lines
2.5 KiB
EmacsLisp

;;; 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'company)
(require 'cl-lib)
(require 'ispell)
(defgroup company-ispell nil
"Completion backend using Ispell."
:group 'company)
(defcustom company-ispell-dictionary nil
"Dictionary to use for `company-ispell'.
If nil, use `ispell-complete-word-dict'."
: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)
"`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