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55535639 | 1 | ;;; spell.el --- spelling correction interface for Emacs |
c88ab9ce | 2 | |
a2535589 JA |
3 | ;; Copyright (C) 1985 Free Software Foundation, Inc. |
4 | ||
58142744 | 5 | ;; Maintainer: FSF |
d9ecc911 | 6 | ;; Keywords: wp, unix |
58142744 | 7 | |
a2535589 JA |
8 | ;; This file is part of GNU Emacs. |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
a2535589 JA |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
a2535589 | 24 | |
d9ecc911 ER |
25 | ;;; Commentary: |
26 | ||
eb8c3be9 | 27 | ;; This mode provides an Emacs interface to the UNIX spell(1) program. |
d9ecc911 | 28 | ;; Entry points are `spell-buffer', `spell-word', `spell-region' and |
5fea23bb SE |
29 | ;; `spell-string'. |
30 | ||
31 | ;; See also ispell.el for an interface to the ispell program. | |
d9ecc911 | 32 | |
630cc463 | 33 | ;;; Code: |
a2535589 | 34 | |
d1ebc62e SE |
35 | (defgroup spell nil |
36 | "Interface to the UNIX spell(1) program." | |
37 | :prefix "spell-" | |
38 | :group 'applications) | |
a2535589 | 39 | |
d1ebc62e SE |
40 | (defcustom spell-command "spell" |
41 | "*Command to run the spell program." | |
42 | :type 'string | |
43 | :group 'spell) | |
44 | ||
45 | (defcustom spell-filter nil | |
a2535589 JA |
46 | "*Filter function to process text before passing it to spell program. |
47 | This function might remove text-processor commands. | |
d1ebc62e | 48 | nil means don't alter the text before checking it." |
b3df4622 | 49 | :type '(choice (const nil) function) |
d1ebc62e | 50 | :group 'spell) |
a2535589 | 51 | |
9e9c0abe RS |
52 | ;;;###autoload |
53 | (put 'spell-filter 'risky-local-variable t) | |
54 | ||
f9f9507e | 55 | ;;;###autoload |
a2535589 JA |
56 | (defun spell-buffer () |
57 | "Check spelling of every word in the buffer. | |
58 | For each incorrect word, you are asked for the correct spelling | |
59 | and then put into a query-replace to fix some or all occurrences. | |
60 | If you do not want to change a word, just give the same word | |
61 | as its \"correct\" spelling; then the query replace is skipped." | |
62 | (interactive) | |
63 | (spell-region (point-min) (point-max) "buffer")) | |
64 | ||
f9f9507e | 65 | ;;;###autoload |
a2535589 JA |
66 | (defun spell-word () |
67 | "Check spelling of word at or before point. | |
68 | If it is not correct, ask user for the correct spelling | |
fcec83fb | 69 | and `query-replace' the entire buffer to substitute it." |
a2535589 JA |
70 | (interactive) |
71 | (let (beg end spell-filter) | |
72 | (save-excursion | |
73 | (if (not (looking-at "\\<")) | |
74 | (forward-word -1)) | |
75 | (setq beg (point)) | |
76 | (forward-word 1) | |
77 | (setq end (point))) | |
78 | (spell-region beg end (buffer-substring beg end)))) | |
79 | ||
f9f9507e | 80 | ;;;###autoload |
a2535589 | 81 | (defun spell-region (start end &optional description) |
fcec83fb | 82 | "Like `spell-buffer' but applies only to region. |
a2535589 JA |
83 | Used in a program, applies from START to END. |
84 | DESCRIPTION is an optional string naming the unit being checked: | |
85 | for example, \"word\"." | |
86 | (interactive "r") | |
87 | (let ((filter spell-filter) | |
88 | (buf (get-buffer-create " *temp*"))) | |
89 | (save-excursion | |
90 | (set-buffer buf) | |
91 | (widen) | |
92 | (erase-buffer)) | |
93 | (message "Checking spelling of %s..." (or description "region")) | |
94 | (if (and (null filter) (= ?\n (char-after (1- end)))) | |
95 | (if (string= "spell" spell-command) | |
96 | (call-process-region start end "spell" nil buf) | |
97 | (call-process-region start end shell-file-name | |
98 | nil buf nil "-c" spell-command)) | |
99 | (let ((oldbuf (current-buffer))) | |
100 | (save-excursion | |
101 | (set-buffer buf) | |
102 | (insert-buffer-substring oldbuf start end) | |
103 | (or (bolp) (insert ?\n)) | |
104 | (if filter (funcall filter)) | |
105 | (if (string= "spell" spell-command) | |
106 | (call-process-region (point-min) (point-max) "spell" t buf) | |
107 | (call-process-region (point-min) (point-max) shell-file-name | |
108 | t buf nil "-c" spell-command))))) | |
109 | (message "Checking spelling of %s...%s" | |
110 | (or description "region") | |
111 | (if (save-excursion | |
112 | (set-buffer buf) | |
113 | (> (buffer-size) 0)) | |
114 | "not correct" | |
115 | "correct")) | |
116 | (let (word newword | |
117 | (case-fold-search t) | |
118 | (case-replace t)) | |
119 | (while (save-excursion | |
120 | (set-buffer buf) | |
121 | (> (buffer-size) 0)) | |
122 | (save-excursion | |
123 | (set-buffer buf) | |
124 | (goto-char (point-min)) | |
125 | (setq word (downcase | |
126 | (buffer-substring (point) | |
127 | (progn (end-of-line) (point))))) | |
128 | (forward-char 1) | |
129 | (delete-region (point-min) (point)) | |
130 | (setq newword | |
131 | (read-input (concat "`" word | |
132 | "' not recognized; edit a replacement: ") | |
133 | word)) | |
134 | (flush-lines (concat "^" (regexp-quote word) "$"))) | |
135 | (if (not (equal word newword)) | |
136 | (progn | |
137 | (goto-char (point-min)) | |
138 | (query-replace-regexp (concat "\\b" (regexp-quote word) "\\b") | |
139 | newword))))))) | |
140 | ||
141 | ||
f9f9507e | 142 | ;;;###autoload |
a2535589 JA |
143 | (defun spell-string (string) |
144 | "Check spelling of string supplied as argument." | |
145 | (interactive "sSpell string: ") | |
146 | (let ((buf (get-buffer-create " *temp*"))) | |
147 | (save-excursion | |
148 | (set-buffer buf) | |
149 | (widen) | |
150 | (erase-buffer) | |
151 | (insert string "\n") | |
152 | (if (string= "spell" spell-command) | |
153 | (call-process-region (point-min) (point-max) "spell" | |
154 | t t) | |
155 | (call-process-region (point-min) (point-max) shell-file-name | |
156 | t t nil "-c" spell-command)) | |
157 | (if (= 0 (buffer-size)) | |
158 | (message "%s is correct" string) | |
159 | (goto-char (point-min)) | |
160 | (while (search-forward "\n" nil t) | |
161 | (replace-match " ")) | |
162 | (message "%sincorrect" (buffer-substring 1 (point-max))))))) | |
c88ab9ce | 163 | |
896546cd RS |
164 | (provide 'spell) |
165 | ||
c88ab9ce | 166 | ;;; spell.el ends here |