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ac-source-ispell.el
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ac-source-ispell.el
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;;; ac-source-ispell.el --- Ispell words source for auto-complete-mode
;; Copyright (C) 2010 tequilasunset
;; Author: tequilasunset <tequilasunset.mac@gmail.com>
;; Keywords: ispell
;; Version: 0.2
;; 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 3 of the License, or
;; (at your option) any later version.
;; This program 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/>.
;;
;;; Requirements:
;; auto-complete-mode:
;;
;; http://cx4a.org/software/auto-complete/
;;
;;; Commentary:
;; Define ac-source-ispell (variable) and ac-complete-ispell (command).
;;; Code:
(require 'auto-complete)
(require 'ispell)
(defconst ac-ispell-cache (make-hash-table :test 'equal))
(defvar ac-ispell-cache-limit 30)
(defun ac-clear-ispell-cache (&optional limit)
(interactive)
(let ((table ac-ispell-cache))
(when (or (not limit)
(>= (hash-table-count table) limit))
(clrhash table))))
(defun ac-candidate-ispell-words ()
(let* ((table ac-ispell-cache)
(key (downcase (substring ac-prefix 0 3)))
(cache (gethash key table))
words)
(cond
((not (string-match "^[a-z]+$" key)) nil)
(cache cache)
(t
(setq words (or (lookup-words (concat key "*") ispell-complete-word-dict)
t))
(puthash key words table)))))
(if (fboundp 'ac-define-source)
;; define ac-source-ispell and ac-complete-ispell
(ac-define-source ispell
'((init . (ac-clear-ispell-cache ac-ispell-cache-limit))
(candidates . ac-candidate-ispell-words)
(symbol . "i")
(requires . 3)))
(defvar ac-source-ispell
'((init . (ac-clear-ispell-cache ac-ispell-cache-limit))
(candidates . ac-candidate-ispell-words)
(requires . 3))
"Source for ispell."))
(provide 'ac-source-ispell)
;;; ac-source-ispell.el ends here