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143 lines
4.6 KiB
EmacsLisp
143 lines
4.6 KiB
EmacsLisp
;;; spell.el --- spelling correction interface for Emacs.
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;; Copyright (C) 1985 Free Software Foundation, Inc.
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;; Maintainer: FSF
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Code:
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(defvar spell-command "spell"
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"*Command to run the spell program.")
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(defvar spell-filter nil
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"*Filter function to process text before passing it to spell program.
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This function might remove text-processor commands.
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nil means don't alter the text before checking it.")
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;;;###autoload
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(defun spell-buffer ()
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"Check spelling of every word in the buffer.
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For each incorrect word, you are asked for the correct spelling
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and then put into a query-replace to fix some or all occurrences.
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If you do not want to change a word, just give the same word
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as its \"correct\" spelling; then the query replace is skipped."
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(interactive)
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(spell-region (point-min) (point-max) "buffer"))
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;;;###autoload
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(defun spell-word ()
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"Check spelling of word at or before point.
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If it is not correct, ask user for the correct spelling
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and query-replace the entire buffer to substitute it."
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(interactive)
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(let (beg end spell-filter)
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(save-excursion
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(if (not (looking-at "\\<"))
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(forward-word -1))
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(setq beg (point))
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(forward-word 1)
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(setq end (point)))
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(spell-region beg end (buffer-substring beg end))))
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;;;###autoload
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(defun spell-region (start end &optional description)
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"Like spell-buffer but applies only to region.
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Used in a program, applies from START to END.
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DESCRIPTION is an optional string naming the unit being checked:
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for example, \"word\"."
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(interactive "r")
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(let ((filter spell-filter)
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(buf (get-buffer-create " *temp*")))
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(save-excursion
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(set-buffer buf)
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(widen)
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(erase-buffer))
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(message "Checking spelling of %s..." (or description "region"))
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(if (and (null filter) (= ?\n (char-after (1- end))))
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(if (string= "spell" spell-command)
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(call-process-region start end "spell" nil buf)
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(call-process-region start end shell-file-name
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nil buf nil "-c" spell-command))
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(let ((oldbuf (current-buffer)))
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(save-excursion
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(set-buffer buf)
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(insert-buffer-substring oldbuf start end)
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(or (bolp) (insert ?\n))
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(if filter (funcall filter))
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(if (string= "spell" spell-command)
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(call-process-region (point-min) (point-max) "spell" t buf)
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(call-process-region (point-min) (point-max) shell-file-name
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t buf nil "-c" spell-command)))))
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(message "Checking spelling of %s...%s"
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(or description "region")
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(if (save-excursion
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(set-buffer buf)
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(> (buffer-size) 0))
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"not correct"
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"correct"))
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(let (word newword
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(case-fold-search t)
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(case-replace t))
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(while (save-excursion
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(set-buffer buf)
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(> (buffer-size) 0))
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(save-excursion
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(set-buffer buf)
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(goto-char (point-min))
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(setq word (downcase
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(buffer-substring (point)
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(progn (end-of-line) (point)))))
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(forward-char 1)
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(delete-region (point-min) (point))
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(setq newword
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(read-input (concat "`" word
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"' not recognized; edit a replacement: ")
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word))
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(flush-lines (concat "^" (regexp-quote word) "$")))
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(if (not (equal word newword))
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(progn
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(goto-char (point-min))
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(query-replace-regexp (concat "\\b" (regexp-quote word) "\\b")
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newword)))))))
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;;;###autoload
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(defun spell-string (string)
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"Check spelling of string supplied as argument."
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(interactive "sSpell string: ")
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(let ((buf (get-buffer-create " *temp*")))
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(save-excursion
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(set-buffer buf)
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(widen)
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(erase-buffer)
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(insert string "\n")
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(if (string= "spell" spell-command)
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(call-process-region (point-min) (point-max) "spell"
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t t)
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(call-process-region (point-min) (point-max) shell-file-name
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t t nil "-c" spell-command))
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(if (= 0 (buffer-size))
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(message "%s is correct" string)
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(goto-char (point-min))
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(while (search-forward "\n" nil t)
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(replace-match " "))
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(message "%sincorrect" (buffer-substring 1 (point-max)))))))
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;;; spell.el ends here
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