admin/charsets/mule-charsets.el

   1 ;; mule-charsets.el -- Generate Mule-original charset maps.
   2 ;; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   3 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   4 ;;   Registration Number H13PRO009
   5
   6 ;; This file is part of GNU Emacs.
   7
   8 ;; GNU Emacs is free software: you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation, either version 3 of the License, or
  11 ;; (at your option) any later version.
  12
  13 ;; GNU Emacs is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  20
  21
  22 ;; For the record: the old, pre-v23 code was this:
  23 ;; (if (not (or (and (= emacs-major-version 21) (= emacs-minor-version 4))
  24 ;;           (= emacs-major-version 22)))
  25 ;;     (error "Use Emacs of version 21.4 or any of version 22"))
  26 ;;
  27 ;; (defun func (start end)
  28 ;;   (while (<= start end)
  29 ;;     (let ((split (split-char start))
  30 ;;        (unicode (encode-char start 'ucs)))
  31 ;;       (if unicode
  32 ;;        (if (nth 2 split)
  33 ;;            (insert (format "0x%02X%02X 0x%04X\n"
  34 ;;                            (nth 1 split) (nth 2 split) unicode))
  35 ;;          (insert (format "0x%02X 0x%04X\n" (nth 1 split) unicode)))))
  36 ;;     (setq start (1+ start))))
  37
  38 (defun func (range charset)
  39   (let ((start (car range))
  40         (end (cdr range)))
  41     (while (and (<= start end) (<= start #x10ffff))
  42       (let ((ch (encode-char start charset)))
  43         (if ch
  44             (if (> ch 256)
  45                 (insert (format "0x%04X 0x%04X\n" ch start))
  46               (insert (format "0x%02X 0x%04X\n" ch start)))))
  47       (setq start (1+ start)))))
  48
  49 (defconst charset-alist
  50   '(("MULE-ethiopic.map" . ethiopic)
  51     ("MULE-ipa.map" . ipa)
  52     ("MULE-is13194.map" . indian-is13194)
  53     ("MULE-sisheng.map" . chinese-sisheng)
  54     ("MULE-tibetan.map" . tibetan)
  55     ("MULE-lviscii.map" . vietnamese-viscii-lower)
  56     ("MULE-uviscii.map" . vietnamese-viscii-upper)))
  57
  58 (defconst header
  59   (format
  60    "# Generated by running admin/charsets/mule-charsets.el in Emacs %d.%d.\n"
  61    emacs-major-version emacs-minor-version))
  62
  63 (dolist (elt charset-alist)
  64   (with-temp-buffer
  65     (insert header)
  66     (map-charset-chars 'func (cdr elt) (cdr elt))
  67     (sort-lines nil (point-min) (point-max))
  68     (let ((coding-system-for-write 'unix))
  69       (write-file (car elt)))))
  70