| 1 | ;;; spell.el --- spelling correction interface for Emacs. |
| 2 | |
| 3 | ;; Copyright (C) 1985 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Maintainer: FSF |
| 6 | ;; Keywords: wp, unix |
| 7 | |
| 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 |
| 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 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 the |
| 22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 23 | ;; Boston, MA 02111-1307, USA. |
| 24 | |
| 25 | ;;; Commentary: |
| 26 | |
| 27 | ;; This mode provides an Emacs interface to the UNIX spell(1) program. |
| 28 | ;; Entry points are `spell-buffer', `spell-word', `spell-region' and |
| 29 | ;; `spell-string'. |
| 30 | |
| 31 | ;; See also ispell.el for an interface to the ispell program. |
| 32 | |
| 33 | ;;; Code: |
| 34 | |
| 35 | (defgroup spell nil |
| 36 | "Interface to the UNIX spell(1) program." |
| 37 | :prefix "spell-" |
| 38 | :group 'applications) |
| 39 | |
| 40 | (defcustom spell-command "spell" |
| 41 | "*Command to run the spell program." |
| 42 | :type 'string |
| 43 | :group 'spell) |
| 44 | |
| 45 | (defcustom spell-filter nil |
| 46 | "*Filter function to process text before passing it to spell program. |
| 47 | This function might remove text-processor commands. |
| 48 | nil means don't alter the text before checking it." |
| 49 | :type 'function |
| 50 | :group 'spell) |
| 51 | |
| 52 | ;;;###autoload |
| 53 | (put 'spell-filter 'risky-local-variable t) |
| 54 | |
| 55 | ;;;###autoload |
| 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 | |
| 65 | ;;;###autoload |
| 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 |
| 69 | and `query-replace' the entire buffer to substitute it." |
| 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 | |
| 80 | ;;;###autoload |
| 81 | (defun spell-region (start end &optional description) |
| 82 | "Like `spell-buffer' but applies only to region. |
| 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 | |
| 142 | ;;;###autoload |
| 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))))))) |
| 163 | |
| 164 | (provide 'spell) |
| 165 | |
| 166 | ;;; spell.el ends here |