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c88ab9ce ER |
1 | ;;; spell.el --- spelling correction interface for Emacs. |
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 | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
22 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | ||
d9ecc911 ER |
24 | ;;; Commentary: |
25 | ||
eb8c3be9 | 26 | ;; This mode provides an Emacs interface to the UNIX spell(1) program. |
d9ecc911 ER |
27 | ;; Entry points are `spell-buffer', `spell-word', `spell-region' and |
28 | ;; `spell-string'. These facilities are documented in the Emacs user's | |
29 | ;; manual. | |
30 | ||
630cc463 | 31 | ;;; Code: |
a2535589 JA |
32 | |
33 | (defvar spell-command "spell" | |
34 | "*Command to run the spell program.") | |
35 | ||
36 | (defvar spell-filter nil | |
37 | "*Filter function to process text before passing it to spell program. | |
38 | This function might remove text-processor commands. | |
39 | nil means don't alter the text before checking it.") | |
40 | ||
9e9c0abe RS |
41 | ;;;###autoload |
42 | (put 'spell-filter 'risky-local-variable t) | |
43 | ||
f9f9507e | 44 | ;;;###autoload |
a2535589 JA |
45 | (defun spell-buffer () |
46 | "Check spelling of every word in the buffer. | |
47 | For each incorrect word, you are asked for the correct spelling | |
48 | and then put into a query-replace to fix some or all occurrences. | |
49 | If you do not want to change a word, just give the same word | |
50 | as its \"correct\" spelling; then the query replace is skipped." | |
51 | (interactive) | |
52 | (spell-region (point-min) (point-max) "buffer")) | |
53 | ||
f9f9507e | 54 | ;;;###autoload |
a2535589 JA |
55 | (defun spell-word () |
56 | "Check spelling of word at or before point. | |
57 | If it is not correct, ask user for the correct spelling | |
fcec83fb | 58 | and `query-replace' the entire buffer to substitute it." |
a2535589 JA |
59 | (interactive) |
60 | (let (beg end spell-filter) | |
61 | (save-excursion | |
62 | (if (not (looking-at "\\<")) | |
63 | (forward-word -1)) | |
64 | (setq beg (point)) | |
65 | (forward-word 1) | |
66 | (setq end (point))) | |
67 | (spell-region beg end (buffer-substring beg end)))) | |
68 | ||
f9f9507e | 69 | ;;;###autoload |
a2535589 | 70 | (defun spell-region (start end &optional description) |
fcec83fb | 71 | "Like `spell-buffer' but applies only to region. |
a2535589 JA |
72 | Used in a program, applies from START to END. |
73 | DESCRIPTION is an optional string naming the unit being checked: | |
74 | for example, \"word\"." | |
75 | (interactive "r") | |
76 | (let ((filter spell-filter) | |
77 | (buf (get-buffer-create " *temp*"))) | |
78 | (save-excursion | |
79 | (set-buffer buf) | |
80 | (widen) | |
81 | (erase-buffer)) | |
82 | (message "Checking spelling of %s..." (or description "region")) | |
83 | (if (and (null filter) (= ?\n (char-after (1- end)))) | |
84 | (if (string= "spell" spell-command) | |
85 | (call-process-region start end "spell" nil buf) | |
86 | (call-process-region start end shell-file-name | |
87 | nil buf nil "-c" spell-command)) | |
88 | (let ((oldbuf (current-buffer))) | |
89 | (save-excursion | |
90 | (set-buffer buf) | |
91 | (insert-buffer-substring oldbuf start end) | |
92 | (or (bolp) (insert ?\n)) | |
93 | (if filter (funcall filter)) | |
94 | (if (string= "spell" spell-command) | |
95 | (call-process-region (point-min) (point-max) "spell" t buf) | |
96 | (call-process-region (point-min) (point-max) shell-file-name | |
97 | t buf nil "-c" spell-command))))) | |
98 | (message "Checking spelling of %s...%s" | |
99 | (or description "region") | |
100 | (if (save-excursion | |
101 | (set-buffer buf) | |
102 | (> (buffer-size) 0)) | |
103 | "not correct" | |
104 | "correct")) | |
105 | (let (word newword | |
106 | (case-fold-search t) | |
107 | (case-replace t)) | |
108 | (while (save-excursion | |
109 | (set-buffer buf) | |
110 | (> (buffer-size) 0)) | |
111 | (save-excursion | |
112 | (set-buffer buf) | |
113 | (goto-char (point-min)) | |
114 | (setq word (downcase | |
115 | (buffer-substring (point) | |
116 | (progn (end-of-line) (point))))) | |
117 | (forward-char 1) | |
118 | (delete-region (point-min) (point)) | |
119 | (setq newword | |
120 | (read-input (concat "`" word | |
121 | "' not recognized; edit a replacement: ") | |
122 | word)) | |
123 | (flush-lines (concat "^" (regexp-quote word) "$"))) | |
124 | (if (not (equal word newword)) | |
125 | (progn | |
126 | (goto-char (point-min)) | |
127 | (query-replace-regexp (concat "\\b" (regexp-quote word) "\\b") | |
128 | newword))))))) | |
129 | ||
130 | ||
f9f9507e | 131 | ;;;###autoload |
a2535589 JA |
132 | (defun spell-string (string) |
133 | "Check spelling of string supplied as argument." | |
134 | (interactive "sSpell string: ") | |
135 | (let ((buf (get-buffer-create " *temp*"))) | |
136 | (save-excursion | |
137 | (set-buffer buf) | |
138 | (widen) | |
139 | (erase-buffer) | |
140 | (insert string "\n") | |
141 | (if (string= "spell" spell-command) | |
142 | (call-process-region (point-min) (point-max) "spell" | |
143 | t t) | |
144 | (call-process-region (point-min) (point-max) shell-file-name | |
145 | t t nil "-c" spell-command)) | |
146 | (if (= 0 (buffer-size)) | |
147 | (message "%s is correct" string) | |
148 | (goto-char (point-min)) | |
149 | (while (search-forward "\n" nil t) | |
150 | (replace-match " ")) | |
151 | (message "%sincorrect" (buffer-substring 1 (point-max))))))) | |
c88ab9ce ER |
152 | |
153 | ;;; spell.el ends here |