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   1 ;;; read-maps.el --- Read mapping-tables.
   2
   3 ;; Copyright (C) 2002 MORIOKA Tomohiko
   4
   5 ;; Author: MORIOKA Tomohiko <tomo@kanji.zinbun.kyoto-u.ac.jp>
   6 ;; Keywords: UTF-2000, UCS-4, character, CCS, multiscript, multilingual
   7
   8 ;; This file is part of XEmacs UTF-2000.
   9
  10 ;; XEmacs UTF-2000 is free software; you can redistribute it and/or
  11 ;; modify it under the terms of the GNU General Public License as
  12 ;; published by the Free Software Foundation; either version 2, or (at
  13 ;; your option) any later version.
  14
  15 ;; XEmacs UTF-2000 is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 ;; General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with XEmacs UTF-2000; see the file COPYING.  If not, write to
  22 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24
  25 ;;; Code:
  26
  27 (with-temp-buffer
  28   (buffer-disable-undo)
  29   (dolist (file '("J90-to-UCS.txt" "JSP-to-UCS.txt"
  30                   "JX1-to-UCS.txt" "JX2-to-UCS.txt"
  31                   ;; "C3-to-UCS.txt" ; "C4-to-UCS.txt"
  32                   "B-to-UCS.txt"))
  33     (insert-file-contents (expand-file-name file "../etc/char-data/"))
  34     (goto-char (point-min))
  35     (let (line ccs code ucs ucs-pat ucs-ccs ucs-code chr)
  36       (while (not (eobp))
  37         (cond ((looking-at "^J90-\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)")
  38                (setq ccs 'japanese-jisx0208-1990
  39                      code (string-to-int (match-string 1) 16)
  40                      ucs-pat "\tJU[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)"
  41                      ucs-ccs 'ucs-jis)
  42                (goto-char (match-end 0))
  43                )
  44               ((looking-at "^JSP-\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)")
  45                (setq ccs 'japanese-jisx0212
  46                      code (string-to-int (match-string 1) 16)
  47                      ucs-pat "\tJU[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)"
  48                      ucs-ccs 'ucs-jis)
  49                (goto-char (match-end 0))
  50                )
  51               ((looking-at "^JX1-\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)")
  52                (setq ccs 'japanese-jisx0213-1
  53                      code (string-to-int (match-string 1) 16)
  54                      ucs-pat "\tJU[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)"
  55                      ucs-ccs 'ucs-jis)
  56                (goto-char (match-end 0))
  57                )
  58               ((looking-at "^JX2-\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)")
  59                (setq ccs 'japanese-jisx0213-2
  60                      code (string-to-int (match-string 1) 16)
  61                      ucs-pat "\tJU[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)"
  62                      ucs-ccs 'ucs-jis)
  63                (goto-char (match-end 0))
  64                )
  65               ((looking-at "^C3-\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)")
  66                (setq ccs 'chinese-cns11643-3
  67                      code (string-to-int (match-string 1) 16)
  68                      ucs-pat "\tCU[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)"
  69                      ucs-ccs 'ucs-cns)
  70                (goto-char (match-end 0))
  71                )
  72               ((looking-at "^C4-\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)")
  73                (setq ccs 'chinese-cns11643-4
  74                      code (string-to-int (match-string 1) 16)
  75                      ucs-pat "\tCU[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)"
  76                      ucs-ccs 'ucs-cns)
  77                (goto-char (match-end 0))
  78                )
  79               ((looking-at "^B-\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]\\)")
  80                (setq ccs 'chinese-big5
  81                      code (string-to-int (match-string 1) 16)
  82                      ucs-pat "\tBU[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)"
  83                      ucs-ccs 'ucs-big5)
  84                (goto-char (match-end 0))
  85                )
  86               (t
  87                (setq ccs nil
  88                      code nil
  89                      ucs-pat nil
  90                      ucs-ccs nil)
  91                ))
  92         (setq ucs-code
  93               (if (looking-at ucs-pat)
  94                   (prog1
  95                       (string-to-int (match-string 1) 16)
  96                     (goto-char (match-end 0)))))
  97         (setq ucs
  98               (if (looking-at
  99                    "[ \t]*U[+-]\\([0-9A-F][0-9A-F][0-9A-F][0-9A-F]+\\)")
 100                   (string-to-int (match-string 1) 16)))
 101         (when (setq chr (decode-char ccs code))
 102           (unless (eq (get-char-attribute chr ccs) code)
 103             (put-char-attribute chr ccs code))
 104           (when (and ucs-code
 105                      (not (eq (or (get-char-attribute chr ucs-ccs)
 106                                   (get-char-attribute chr 'ucs)
 107                                   (get-char-attribute chr '=>ucs)
 108                                   (get-char-attribute chr '->ucs))
 109                               ucs-code)))
 110             (put-char-attribute chr ucs-ccs ucs-code))
 111           (when (and ucs
 112                      (not (eq (or (get-char-attribute chr 'ucs)
 113                                   (get-char-attribute chr '=>ucs)
 114                                   (get-char-attribute chr '->ucs))
 115                               ucs)))
 116             (put-char-attribute chr (if ucs-code
 117                                         '=>ucs
 118                                       ucs-ccs) ucs)))
 119         (forward-line)))
 120     (erase-buffer)))
 121
 122 ;;; read-maps.el ends here