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Diffstat (limited to 'lisp/spell.el')
| -rw-r--r-- | lisp/spell.el | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/lisp/spell.el b/lisp/spell.el new file mode 100644 index 00000000000..d7cd286141b --- /dev/null +++ b/lisp/spell.el @@ -0,0 +1,132 @@ +;; Spelling correction interface for Emacs. +;; Copyright (C) 1985 Free Software Foundation, Inc. + +;; This file is part of GNU Emacs. + +;; GNU Emacs is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 1, or (at your option) +;; any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs; see the file COPYING. If not, write to +;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + + +(defvar spell-command "spell" + "*Command to run the spell program.") + +(defvar spell-filter nil + "*Filter function to process text before passing it to spell program. +This function might remove text-processor commands. +nil means don't alter the text before checking it.") + +(defun spell-buffer () + "Check spelling of every word in the buffer. +For each incorrect word, you are asked for the correct spelling +and then put into a query-replace to fix some or all occurrences. +If you do not want to change a word, just give the same word +as its \"correct\" spelling; then the query replace is skipped." + (interactive) + (spell-region (point-min) (point-max) "buffer")) + +(defun spell-word () + "Check spelling of word at or before point. +If it is not correct, ask user for the correct spelling +and query-replace the entire buffer to substitute it." + (interactive) + (let (beg end spell-filter) + (save-excursion + (if (not (looking-at "\\<")) + (forward-word -1)) + (setq beg (point)) + (forward-word 1) + (setq end (point))) + (spell-region beg end (buffer-substring beg end)))) + +(defun spell-region (start end &optional description) + "Like spell-buffer but applies only to region. +Used in a program, applies from START to END. +DESCRIPTION is an optional string naming the unit being checked: +for example, \"word\"." + (interactive "r") + (let ((filter spell-filter) + (buf (get-buffer-create " *temp*"))) + (save-excursion + (set-buffer buf) + (widen) + (erase-buffer)) + (message "Checking spelling of %s..." (or description "region")) + (if (and (null filter) (= ?\n (char-after (1- end)))) + (if (string= "spell" spell-command) + (call-process-region start end "spell" nil buf) + (call-process-region start end shell-file-name + nil buf nil "-c" spell-command)) + (let ((oldbuf (current-buffer))) + (save-excursion + (set-buffer buf) + (insert-buffer-substring oldbuf start end) + (or (bolp) (insert ?\n)) + (if filter (funcall filter)) + (if (string= "spell" spell-command) + (call-process-region (point-min) (point-max) "spell" t buf) + (call-process-region (point-min) (point-max) shell-file-name + t buf nil "-c" spell-command))))) + (message "Checking spelling of %s...%s" + (or description "region") + (if (save-excursion + (set-buffer buf) + (> (buffer-size) 0)) + "not correct" + "correct")) + (let (word newword + (case-fold-search t) + (case-replace t)) + (while (save-excursion + (set-buffer buf) + (> (buffer-size) 0)) + (save-excursion + (set-buffer buf) + (goto-char (point-min)) + (setq word (downcase + (buffer-substring (point) + (progn (end-of-line) (point))))) + (forward-char 1) + (delete-region (point-min) (point)) + (setq newword + (read-input (concat "`" word + "' not recognized; edit a replacement: ") + word)) + (flush-lines (concat "^" (regexp-quote word) "$"))) + (if (not (equal word newword)) + (progn + (goto-char (point-min)) + (query-replace-regexp (concat "\\b" (regexp-quote word) "\\b") + newword))))))) + + +(defun spell-string (string) + "Check spelling of string supplied as argument." + (interactive "sSpell string: ") + (let ((buf (get-buffer-create " *temp*"))) + (save-excursion + (set-buffer buf) + (widen) + (erase-buffer) + (insert string "\n") + (if (string= "spell" spell-command) + (call-process-region (point-min) (point-max) "spell" + t t) + (call-process-region (point-min) (point-max) shell-file-name + t t nil "-c" spell-command)) + (if (= 0 (buffer-size)) + (message "%s is correct" string) + (goto-char (point-min)) + (while (search-forward "\n" nil t) + (replace-match " ")) + (message "%sincorrect" (buffer-substring 1 (point-max))))))) |