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- ;;; 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)))))
-
- ;;;###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
-