Mercurial > hg > xemacs-beta
comparison lisp/prim/case-table.el @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 08:45:50 +0200 |
| parents | |
| children | 0293115a14e9 |
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| -1:000000000000 | 0:376386a54a3c |
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| 1 ;;; case-table.el --- code to extend the character set and support case tables. | |
| 2 ;; Keywords: i18n | |
| 3 | |
| 4 ;; Copyright (C) 1988, 1993 Free Software Foundation, Inc. | |
| 5 | |
| 6 ;; This file is part of XEmacs. | |
| 7 | |
| 8 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 9 ;; under the terms of the GNU General Public License as published by | |
| 10 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 11 ;; any later version. | |
| 12 | |
| 13 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 14 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 ;; General Public License for more details. | |
| 17 | |
| 18 ;; You should have received a copy of the GNU General Public License | |
| 19 ;; along with XEmacs; see the file COPYING. If not, write to the Free | |
| 20 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 21 | |
| 22 ;;; Synched up with: Not synched with FSF. | |
| 23 | |
| 24 ;; Written by: | |
| 25 ;; TN/ETX/TX/UMG Howard Gayle UUCP : seismo!enea!erix!howard | |
| 26 ;; Telefonaktiebolaget L M Ericsson Phone: +46 8 719 55 65 | |
| 27 ;; Ericsson Telecom Telex: 14910 ERIC S | |
| 28 ;; S-126 25 Stockholm FAX : +46 8 719 64 82 | |
| 29 ;; Sweden | |
| 30 | |
| 31 ;;;###autoload | |
| 32 (defun describe-buffer-case-table () | |
| 33 "Describe the case table of the current buffer." | |
| 34 (interactive) | |
| 35 (let ((vector (make-vector 256 nil)) | |
| 36 (case-table (current-case-table)) | |
| 37 (ch 0)) | |
| 38 (with-displaying-help-buffer | |
| 39 (set-buffer standard-output) | |
| 40 (while (< ch 256) | |
| 41 (cond ((/= ch (downcase ch)) | |
| 42 (insert (text-char-description ch)) | |
| 43 (indent-to 16) | |
| 44 (insert "uppercase, matches " | |
| 45 (text-char-description (downcase ch)) | |
| 46 "\n")) | |
| 47 ((/= ch (upcase ch)) | |
| 48 (insert (text-char-description ch)) | |
| 49 (indent-to 16) | |
| 50 (insert "lowercase, matches " | |
| 51 (text-char-description (upcase ch)) | |
| 52 "\n")) | |
| 53 ;; (t | |
| 54 ;; (insert (text-char-description ch)) | |
| 55 ;; (indent-to 16) | |
| 56 ;; (insert "case-invariant\n")) | |
| 57 ) | |
| 58 (setq ch (1+ ch)))))) | |
| 59 | |
| 60 (defun invert-case (count) | |
| 61 "Change the case of the character just after point and move over it. | |
| 62 With arg, applies to that many chars. | |
| 63 Negative arg inverts characters before point but does not move." | |
| 64 (interactive "p") | |
| 65 (if (< count 0) | |
| 66 (progn (setq count (min (1- (point)) (- count))) | |
| 67 (forward-char (- count)))) | |
| 68 (while (> count 0) | |
| 69 (let ((ch (following-char))) | |
| 70 (cond ((/= (upcase ch) ch) | |
| 71 (insert (upcase ch)) | |
| 72 (delete-char 1)) | |
| 73 ((/= (downcase ch) ch) | |
| 74 (insert (downcase ch)) | |
| 75 (delete-char 1)) | |
| 76 (t | |
| 77 (forward-char 1)))) | |
| 78 (setq count (1- count)))) | |
| 79 | |
| 80 (defun set-case-syntax-delims (l r table) | |
| 81 "Make characters L and R a matching pair of non-case-converting delimiters. | |
| 82 Sets the entries for L and R in standard-case-table, | |
| 83 standard-syntax-table, and text-mode-syntax-table to indicate | |
| 84 left and right delimiters." | |
| 85 (aset (car table) l l) | |
| 86 (aset (car table) r r) | |
| 87 (modify-syntax-entry l (concat "(" (char-to-string r) " ") | |
| 88 (standard-syntax-table)) | |
| 89 (modify-syntax-entry l (concat "(" (char-to-string r) " ") | |
| 90 text-mode-syntax-table) | |
| 91 (modify-syntax-entry r (concat ")" (char-to-string l) " ") | |
| 92 (standard-syntax-table)) | |
| 93 (modify-syntax-entry r (concat ")" (char-to-string l) " ") | |
| 94 text-mode-syntax-table)) | |
| 95 | |
| 96 (defun set-case-syntax-pair (uc lc table) | |
| 97 "Make characters UC and LC a pair of inter-case-converting letters. | |
| 98 Sets the entries for characters UC and LC in | |
| 99 standard-case-table, standard-syntax-table, and | |
| 100 text-mode-syntax-table to indicate an (uppercase, lowercase) | |
| 101 pair of letters." | |
| 102 (aset (car table) uc lc) | |
| 103 (modify-syntax-entry lc "w " (standard-syntax-table)) | |
| 104 (modify-syntax-entry lc "w " text-mode-syntax-table) | |
| 105 (modify-syntax-entry uc "w " (standard-syntax-table)) | |
| 106 (modify-syntax-entry uc "w " text-mode-syntax-table)) | |
| 107 | |
| 108 (defun set-case-syntax (c syntax table) | |
| 109 "Make characters C case-invariant with syntax SYNTAX. | |
| 110 Sets the entries for character C in standard-case-table, | |
| 111 standard-syntax-table, and text-mode-syntax-table to indicate this. | |
| 112 SYNTAX should be \" \", \"w\", \".\" or \"_\"." | |
| 113 (aset (car table) c c) | |
| 114 (modify-syntax-entry c syntax (standard-syntax-table)) | |
| 115 (modify-syntax-entry c syntax text-mode-syntax-table)) | |
| 116 | |
| 117 (provide 'case-table) |