114 lines
3.2 KiB
Awk
114 lines
3.2 KiB
Awk
# eucjp-ms.awk -- Generate a translation table for eucJP-ms.
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# Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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# National Institute of Advanced Industrial Science and Technology (AIST)
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# Registration Number H13PRO009
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# This file is part of GNU Emacs.
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# GNU Emacs is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# GNU Emacs is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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# Commentary:
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# eucJP-ms is one of eucJP-open encoding defined at this page:
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# https://web.archive.org/web/20120207064433/http://home.m05.itscom.net/numa/cde/ucs-conv/appendix.html
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# This program reads the mapping file EUC-JP-MS (of glibc) and
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# generates the Elisp file eucjp-ms.el that defines two translation
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# tables 'eucjp-ms-decode' and 'eucjp-ms-encode'.
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BEGIN {
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FS = "[ \t][ \t]*"
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# STATE: 0/ignore, 1/JISX0208, 2/JISX0208 target range
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# 3/JISX0212 4/JISX0212 target range
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state = 0;
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JISX0208_FROM1 = "/xad/xa1";
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JISX0208_TO1 = "/xad/xfc";
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JISX0208_FROM2 = "/xf5/xa1";
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JISX0212_FROM = "/x8f/xf3/xf3";
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print ";;; eucjp-ms.el --- translation table for eucJP-ms -*- lexical-binding:t -*-";
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print ";;; Automatically generated from /usr/share/i18n/charmaps/EUC-JP-MS.gz";
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print "(let ((map";
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print " '(;JISEXT<->UNICODE";
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}
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function write_entry (unicode) {
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if (state == 1) {
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if ($2 == JISX0208_FROM1 || $2 == JISX0208_FROM2)
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state = 2;
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} else if (state == 3) {
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if ($2 == JISX0212_FROM)
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state = 4;
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}
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if (state == 2) {
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jis = $2
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gsub("/x", "", jis);
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printf "\n (#x%s . #x%s)", jis, unicode;
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if ($2 == JISX0208_TO1)
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state = 1;
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} else if (state == 4) {
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jis = substr($2, 5, 8);
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gsub("/x", "", jis);
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printf "\n (#x%s #x%s)", jis, unicode;
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}
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}
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/^% JIS X 0208/ {
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state = 1;
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next;
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}
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/^% JIS X 0212/ {
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state = 3;
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next;
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}
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/^END CHARMAP/ {
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state = 0;
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next;
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}
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/^<U[0-9A-Z][0-9A-Z][0-9A-Z][0-9A-Z]>/ {
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if (state > 0)
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write_entry(substr($1, 3, 4));
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}
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/^%IRREVERSIBLE%<U[0-9A-Z][0-9A-Z][0-9A-Z][0-9A-Z]>/ {
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if (state > 0)
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write_entry(substr($1, 17, 4));
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}
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END {
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print ")))";
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print " (setq map";
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print " (mapcar";
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print " (lambda (x)";
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print " (let ((code (logand (car x) #x7F7F)))";
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print " (if (integerp (cdr x))";
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print " (cons (decode-char 'japanese-jisx0208 code) (cdr x))";
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print " (cons (decode-char 'japanese-jisx0212 code)"
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print " (cadr x)))))";
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print " map))";
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print " (define-translation-table 'eucjp-ms-decode map)";
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print " (mapc (lambda (x)";
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print " (let ((tmp (car x)))";
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print " (setcar x (cdr x)) (setcdr x tmp)))";
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print " map)";
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print " (define-translation-table 'eucjp-ms-encode map))";
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print "";
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print "(provide 'eucjp-ms)";
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}
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