Commit | Line | Data |
---|---|---|
c0274f38 ER |
1 | ;;; case-table.el --- functions for extending the character set and dealing with case tables. |
2 | ||
a2535589 JA |
3 | ;; Copyright (C) 1988 Free Software Foundation, Inc. |
4 | ||
5 | ;; This file is part of GNU Emacs. | |
6 | ||
7 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
8 | ;; it under the terms of the GNU General Public License as published by | |
9 | ;; the Free Software Foundation; either version 1, or (at your option) | |
10 | ;; any later version. | |
11 | ||
12 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;; GNU General Public License for more details. | |
16 | ||
17 | ;; You should have received a copy of the GNU General Public License | |
18 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
19 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | ||
21 | ||
22 | ;; Written by: | |
23 | ;; TN/ETX/TX/UMG Howard Gayle UUCP : seismo!enea!erix!howard | |
24 | ;; Telefonaktiebolaget L M Ericsson Phone: +46 8 719 55 65 | |
25 | ;; Ericsson Telecom Telex: 14910 ERIC S | |
26 | ;; S-126 25 Stockholm FAX : +46 8 719 64 82 | |
27 | ;; Sweden | |
28 | ||
29 | (defun describe-buffer-case-table () | |
30 | "Describe the case table of the current buffer." | |
31 | (interactive) | |
32 | (let ((vector (make-vector 256 nil)) | |
33 | (case-table (current-case-table)) | |
34 | (i 0)) | |
35 | (while (< i 256) | |
36 | (aset vector i | |
37 | (cond ((/= ch (downcase ch)) | |
38 | (concat "uppercase, matches " | |
39 | (text-char-description (downcase ch)))) | |
40 | ((/= ch (upcase ch)) | |
41 | (concat "lowercase, matches " | |
42 | (text-char-description (upcase ch)))) | |
43 | (t "case-invariant"))) | |
44 | (setq i (1+ i)))) | |
45 | (with-output-to-temp-buffer "*Help*" | |
46 | (describe-vector vector))) | |
47 | ||
03131799 | 48 | (defun set-case-syntax-delims (l r string) |
a2535589 | 49 | "Make characters L and R a matching pair of non-case-converting delimiters. |
03131799 RS |
50 | Sets the entries for L and R in STRING, which is a downcasing table. |
51 | Also modifies `standard-syntax-table', and `text-mode-syntax-table' to | |
52 | indicate left and right delimiters." | |
53 | (aset string l l) | |
54 | (aset string r r) | |
a2535589 JA |
55 | (modify-syntax-entry l (concat "(" (char-to-string r) " ") |
56 | (standard-syntax-table)) | |
57 | (modify-syntax-entry l (concat "(" (char-to-string r) " ") | |
58 | text-mode-syntax-table) | |
59 | (modify-syntax-entry r (concat ")" (char-to-string l) " ") | |
60 | (standard-syntax-table)) | |
61 | (modify-syntax-entry r (concat ")" (char-to-string l) " ") | |
62 | text-mode-syntax-table)) | |
63 | ||
03131799 | 64 | (defun set-case-syntax-pair (uc lc string) |
a2535589 | 65 | "Make characters UC and LC a pair of inter-case-converting letters. |
03131799 RS |
66 | Sets the entries for characters UC and LC in STRING, which is a downcasing table. |
67 | Also modify `standard-syntax-table' and `text-mode-syntax-table' to indicate an | |
49116ac0 | 68 | (uppercase, lowercase) pair of letters." |
03131799 RS |
69 | (aset string uc lc) |
70 | (aset (car (cdr (standard-case-table))) lc uc) | |
a2535589 JA |
71 | (modify-syntax-entry lc "w " (standard-syntax-table)) |
72 | (modify-syntax-entry lc "w " text-mode-syntax-table) | |
73 | (modify-syntax-entry uc "w " (standard-syntax-table)) | |
74 | (modify-syntax-entry uc "w " text-mode-syntax-table)) | |
75 | ||
03131799 | 76 | (defun set-case-syntax (c syntax string) |
a2535589 | 77 | "Make characters C case-invariant with syntax SYNTAX. |
03131799 RS |
78 | Sets the entries for character C in STRING, which is the downcasing table. |
79 | Also modify `standard-syntax-table' and `text-mode-syntax-table'. | |
a2535589 | 80 | SYNTAX should be \" \", \"w\", \".\" or \"_\"." |
03131799 | 81 | (aset string c c) |
a2535589 JA |
82 | (modify-syntax-entry c syntax (standard-syntax-table)) |
83 | (modify-syntax-entry c syntax text-mode-syntax-table)) | |
84 | ||
85 | (provide 'case-table) | |
c0274f38 ER |
86 | |
87 | ;;; case-table.el ends here |