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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 | ||
f9f9507e | 41 | ;;;###autoload |
a2535589 JA |
42 | (defun spell-buffer () |
43 | "Check spelling of every word in the buffer. | |
44 | For each incorrect word, you are asked for the correct spelling | |
45 | and then put into a query-replace to fix some or all occurrences. | |
46 | If you do not want to change a word, just give the same word | |
47 | as its \"correct\" spelling; then the query replace is skipped." | |
48 | (interactive) | |
49 | (spell-region (point-min) (point-max) "buffer")) | |
50 | ||
f9f9507e | 51 | ;;;###autoload |
a2535589 JA |
52 | (defun spell-word () |
53 | "Check spelling of word at or before point. | |
54 | If it is not correct, ask user for the correct spelling | |
fcec83fb | 55 | and `query-replace' the entire buffer to substitute it." |
a2535589 JA |
56 | (interactive) |
57 | (let (beg end spell-filter) | |
58 | (save-excursion | |
59 | (if (not (looking-at "\\<")) | |
60 | (forward-word -1)) | |
61 | (setq beg (point)) | |
62 | (forward-word 1) | |
63 | (setq end (point))) | |
64 | (spell-region beg end (buffer-substring beg end)))) | |
65 | ||
f9f9507e | 66 | ;;;###autoload |
a2535589 | 67 | (defun spell-region (start end &optional description) |
fcec83fb | 68 | "Like `spell-buffer' but applies only to region. |
a2535589 JA |
69 | Used in a program, applies from START to END. |
70 | DESCRIPTION is an optional string naming the unit being checked: | |
71 | for example, \"word\"." | |
72 | (interactive "r") | |
73 | (let ((filter spell-filter) | |
74 | (buf (get-buffer-create " *temp*"))) | |
75 | (save-excursion | |
76 | (set-buffer buf) | |
77 | (widen) | |
78 | (erase-buffer)) | |
79 | (message "Checking spelling of %s..." (or description "region")) | |
80 | (if (and (null filter) (= ?\n (char-after (1- end)))) | |
81 | (if (string= "spell" spell-command) | |
82 | (call-process-region start end "spell" nil buf) | |
83 | (call-process-region start end shell-file-name | |
84 | nil buf nil "-c" spell-command)) | |
85 | (let ((oldbuf (current-buffer))) | |
86 | (save-excursion | |
87 | (set-buffer buf) | |
88 | (insert-buffer-substring oldbuf start end) | |
89 | (or (bolp) (insert ?\n)) | |
90 | (if filter (funcall filter)) | |
91 | (if (string= "spell" spell-command) | |
92 | (call-process-region (point-min) (point-max) "spell" t buf) | |
93 | (call-process-region (point-min) (point-max) shell-file-name | |
94 | t buf nil "-c" spell-command))))) | |
95 | (message "Checking spelling of %s...%s" | |
96 | (or description "region") | |
97 | (if (save-excursion | |
98 | (set-buffer buf) | |
99 | (> (buffer-size) 0)) | |
100 | "not correct" | |
101 | "correct")) | |
102 | (let (word newword | |
103 | (case-fold-search t) | |
104 | (case-replace t)) | |
105 | (while (save-excursion | |
106 | (set-buffer buf) | |
107 | (> (buffer-size) 0)) | |
108 | (save-excursion | |
109 | (set-buffer buf) | |
110 | (goto-char (point-min)) | |
111 | (setq word (downcase | |
112 | (buffer-substring (point) | |
113 | (progn (end-of-line) (point))))) | |
114 | (forward-char 1) | |
115 | (delete-region (point-min) (point)) | |
116 | (setq newword | |
117 | (read-input (concat "`" word | |
118 | "' not recognized; edit a replacement: ") | |
119 | word)) | |
120 | (flush-lines (concat "^" (regexp-quote word) "$"))) | |
121 | (if (not (equal word newword)) | |
122 | (progn | |
123 | (goto-char (point-min)) | |
124 | (query-replace-regexp (concat "\\b" (regexp-quote word) "\\b") | |
125 | newword))))))) | |
126 | ||
127 | ||
f9f9507e | 128 | ;;;###autoload |
a2535589 JA |
129 | (defun spell-string (string) |
130 | "Check spelling of string supplied as argument." | |
131 | (interactive "sSpell string: ") | |
132 | (let ((buf (get-buffer-create " *temp*"))) | |
133 | (save-excursion | |
134 | (set-buffer buf) | |
135 | (widen) | |
136 | (erase-buffer) | |
137 | (insert string "\n") | |
138 | (if (string= "spell" spell-command) | |
139 | (call-process-region (point-min) (point-max) "spell" | |
140 | t t) | |
141 | (call-process-region (point-min) (point-max) shell-file-name | |
142 | t t nil "-c" spell-command)) | |
143 | (if (= 0 (buffer-size)) | |
144 | (message "%s is correct" string) | |
145 | (goto-char (point-min)) | |
146 | (while (search-forward "\n" nil t) | |
147 | (replace-match " ")) | |
148 | (message "%sincorrect" (buffer-substring 1 (point-max))))))) | |
c88ab9ce ER |
149 | |
150 | ;;; spell.el ends here |