mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-30 08:09:04 +00:00
97 lines
3.3 KiB
EmacsLisp
97 lines
3.3 KiB
EmacsLisp
;;; 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 2, 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.
|
|
|
|
;;; Commentary:
|
|
|
|
;; Written by:
|
|
;; TN/ETX/TX/UMG Howard Gayle UUCP : seismo!enea!erix!howard
|
|
;; Telefonaktiebolaget L M Ericsson Phone: +46 8 719 55 65
|
|
;; Ericsson Telecom Telex: 14910 ERIC S
|
|
;; 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))
|
|
(ch 0))
|
|
(while (< ch 256)
|
|
(aset vector ch
|
|
(cond ((/= ch (downcase ch))
|
|
(concat "uppercase, matches "
|
|
(char-to-string (downcase ch))))
|
|
((/= ch (upcase ch))
|
|
(concat "lowercase, matches "
|
|
(char-to-string (upcase ch))))
|
|
(t "case-invariant")))
|
|
(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.
|
|
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 r (concat ")" (char-to-string l) " ")
|
|
(standard-syntax-table)))
|
|
|
|
;;;###autoload
|
|
(defun set-case-syntax-pair (uc lc table)
|
|
"Make characters UC and LC a pair of inter-case-converting letters.
|
|
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 uc "w " (standard-syntax-table)))
|
|
|
|
;;;###autoload
|
|
(defun set-case-syntax (c syntax table)
|
|
"Make characters C case-invariant with syntax SYNTAX.
|
|
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 table c c)
|
|
(modify-syntax-entry c syntax (standard-syntax-table)))
|
|
|
|
(provide 'case-table)
|
|
|
|
;;; case-table.el ends here
|