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1 | ;;; company-ispell.el --- company-mode completion backend using Ispell | |
2 | ||
3 | ;; Copyright (C) 2009-2011, 2013-2016, 2018, 2021 Free Software Foundation, Inc. | |
4 | ||
5 | ;; Author: Nikolaj Schumacher | |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
9 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
11 | ;; the Free Software Foundation, either version 3 of the License, or | |
12 | ;; (at your option) any later version. | |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. | |
21 | ||
22 | ||
23 | ;;; Commentary: | |
24 | ;; | |
25 | ||
26 | ;;; Code: | |
27 | ||
28 | (require 'company) | |
29 | (require 'cl-lib) | |
30 | (require 'ispell) | |
31 | ||
32 | (defgroup company-ispell nil | |
33 | "Completion backend using Ispell." | |
34 | :group 'company) | |
35 | ||
36 | (defcustom company-ispell-dictionary nil | |
37 | "Dictionary to use for `company-ispell'. | |
38 | If nil, use `ispell-complete-word-dict'." | |
39 | :type '(choice (const :tag "default (nil)" nil) | |
40 | (file :tag "dictionary" t))) | |
41 | ||
42 | (defvar company-ispell-available 'unknown) | |
43 | ||
44 | (defalias 'company-ispell--lookup-words | |
45 | (if (fboundp 'ispell-lookup-words) | |
46 | 'ispell-lookup-words | |
47 | 'lookup-words)) | |
48 | ||
49 | (defun company-ispell-available () | |
50 | (when (eq company-ispell-available 'unknown) | |
51 | (condition-case err | |
52 | (progn | |
53 | (company-ispell--lookup-words "WHATEVER") | |
54 | (setq company-ispell-available t)) | |
55 | (error | |
56 | (message "Company-Ispell: %s" (error-message-string err)) | |
57 | (setq company-ispell-available nil)))) | |
58 | company-ispell-available) | |
59 | ||
60 | ;;;###autoload | |
61 | (defun company-ispell (command &optional arg &rest ignored) | |
62 | "`company-mode' completion backend using Ispell." | |
63 | (interactive (list 'interactive)) | |
64 | (cl-case command | |
65 | (interactive (company-begin-backend 'company-ispell)) | |
66 | (prefix (when (company-ispell-available) | |
67 | (company-grab-word))) | |
68 | (candidates | |
69 | (let ((words (company-ispell--lookup-words | |
70 | arg | |
71 | (or company-ispell-dictionary ispell-complete-word-dict))) | |
72 | (completion-ignore-case t)) | |
73 | (if (string= arg "") | |
74 | ;; Small optimization. | |
75 | words | |
76 | ;; Work around issue #284. | |
77 | (all-completions arg words)))) | |
78 | (kind 'text) | |
79 | (sorted t) | |
80 | (ignore-case 'keep-prefix))) | |
81 | ||
82 | (provide 'company-ispell) | |
83 | ;;; company-ispell.el ends here |