-;; Functions for extending the character set and dealing with case tables.
-;; Copyright (C) 1988 Free Software Foundation, Inc.
+;;; case-table.el --- code to extend the character set and support case tables.
+
+;; Copyright (C) 1988, 1994 Free Software Foundation, Inc.
+
+;; Author: Howard Gayle
+;; Maintainer: FSF
+;; Keywords: i18n
;; 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)
+;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;; Commentary:
;; Written by:
;; TN/ETX/TX/UMG Howard Gayle UUCP : seismo!enea!erix!howard
;; S-126 25 Stockholm FAX : +46 8 719 64 82
;; Sweden
+;;; Code:
+
+;;;###autoload
(defun describe-buffer-case-table ()
"Describe the case table of the current buffer."
(interactive)
(let ((vector (make-vector 256 nil))
- (case-table (current-case-table))
- (i 0))
- (while (< i 256)
- (aset vector i
+ (ch 0))
+ (while (< ch 256)
+ (aset vector ch
(cond ((/= ch (downcase ch))
(concat "uppercase, matches "
- (text-char-description (downcase ch))))
+ (char-to-string (downcase ch))))
((/= ch (upcase ch))
(concat "lowercase, matches "
- (text-char-description (upcase ch))))
+ (char-to-string (upcase ch))))
(t "case-invariant")))
- (setq i (1+ i))))
- (with-output-to-temp-buffer "*Help*"
- (describe-vector vector)))
-
-(defun invert-case (count)
- "Change the case of the character just after point and move over it.
-With arg, applies to that many chars.
-Negative arg inverts characters before point but does not move."
- (interactive "p")
- (if (< count 0)
- (progn (setq count (min (1- (point)) (- count)))
- (forward-char (- count))))
- (while (> count 0)
- (let ((oc (following-char))) ; Old character.
- (cond ((/= (upcase ch) ch)
- (replace-char (upcase ch)))
- ((/= (downcase ch) ch)
- (replace-char (downcase ch)))))
- (forward-char 1)
- (setq count (1- count))))
+ (setq ch (1+ ch)))
+ (save-excursion
+ (with-output-to-temp-buffer "*Help*"
+ (set-buffer standard-output)
+ (describe-vector vector)
+ (help-mode)))))
+;;;###autoload
(defun set-case-syntax-delims (l r table)
"Make characters L and R a matching pair of non-case-converting delimiters.
-Sets the entries for L and R in standard-case-table,
-standard-syntax-table, and text-mode-syntax-table to indicate
-left and right delimiters."
- (aset (car table) l l)
- (aset (car table) r r)
+This sets the entries for L and R in TABLE, which is a string
+that will be used as the downcase part of a case table.
+It also modifies `standard-syntax-table' to
+indicate left and right delimiters."
+ (aset table l l)
+ (aset table r r)
(modify-syntax-entry l (concat "(" (char-to-string r) " ")
(standard-syntax-table))
- (modify-syntax-entry l (concat "(" (char-to-string r) " ")
- text-mode-syntax-table)
- (modify-syntax-entry r (concat ")" (char-to-string l) " ")
- (standard-syntax-table))
(modify-syntax-entry r (concat ")" (char-to-string l) " ")
- text-mode-syntax-table))
+ (standard-syntax-table)))
+;;;###autoload
(defun set-case-syntax-pair (uc lc table)
"Make characters UC and LC a pair of inter-case-converting letters.
-Sets the entries for characters UC and LC in
-standard-case-table, standard-syntax-table, and
-text-mode-syntax-table to indicate an (uppercase, lowercase)
-pair of letters."
- (aset (car table) uc lc)
+This sets the entries for characters UC and LC in TABLE, which is a string
+that will be used as the downcase part of a case table.
+It also modifies `standard-syntax-table' to give them the syntax of
+word constituents."
+ (aset table uc lc)
+ (aset table lc lc)
(modify-syntax-entry lc "w " (standard-syntax-table))
- (modify-syntax-entry lc "w " text-mode-syntax-table)
- (modify-syntax-entry uc "w " (standard-syntax-table))
- (modify-syntax-entry uc "w " text-mode-syntax-table))
+ (modify-syntax-entry uc "w " (standard-syntax-table)))
+;;;###autoload
(defun set-case-syntax (c syntax table)
"Make characters C case-invariant with syntax SYNTAX.
-Sets the entries for character C in standard-case-table,
-standard-syntax-table, and text-mode-syntax-table to indicate this.
+This sets the entries for character C in TABLE, which is a string
+that will be used as the downcase part of a case table.
+It also modifies `standard-syntax-table'.
SYNTAX should be \" \", \"w\", \".\" or \"_\"."
- (aset (car table) c c)
- (modify-syntax-entry c syntax (standard-syntax-table))
- (modify-syntax-entry c syntax text-mode-syntax-table))
+ (aset table c c)
+ (modify-syntax-entry c syntax (standard-syntax-table)))
(provide 'case-table)
+
+;;; case-table.el ends here
HCoop / bpt / emacs.git / blobdiff