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authorKenichi Handa <handa@m17n.org>2004-01-25 23:35:58 +0000
committerKenichi Handa <handa@m17n.org>2004-01-25 23:35:58 +0000
commitba29a8305c122c159853c30bba4d275058b155b7 (patch)
treef924f4267120305990a42e2c8effc9bf76bce1a8 /admin/charsets
parent9ac04a613ee1054de47e04c393b8c84a1cb66863 (diff)
downloademacs-ba29a8305c122c159853c30bba4d275058b155b7.tar.gz
New file.
Diffstat (limited to 'admin/charsets')
-rw-r--r--admin/charsets/cp932.awk97
1 files changed, 97 insertions, 0 deletions
diff --git a/admin/charsets/cp932.awk b/admin/charsets/cp932.awk
new file mode 100644
index 00000000000..077e35113e2
--- /dev/null
+++ b/admin/charsets/cp932.awk
@@ -0,0 +1,97 @@
+# cp932.awk -- Add sort key at the tail of each line of CP932-2BYTE.map.
+# Copyright (C) 2004
+# National Institute of Advanced Industrial Science and Technology (AIST)
+# Registration Number H13PRO009
+#
+# This file is part of GNU Emacs.
+#
+# GNU Emacs is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# GNU Emacs is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Emacs; see the file COPYING. If not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+# Comment:
+# Add a sort key 0, 1, 2, or 3 at the tail of each line as a comment
+# to realize the round trip mapping to Unicode works as described in
+# this page:
+# http://support.microsoft.com/default.aspx?scid=kb;EN-US;170559
+# Each sort key means as below:
+# 0: JISX0208 characters.
+# 1: NEC special characters.
+# 2: IBM extension characters.
+# 3: NEC selection of IBM extension characters.
+
+BEGIN {
+ tohex["A"] = 10;
+ tohex["B"] = 11;
+ tohex["C"] = 12;
+ tohex["D"] = 13;
+ tohex["E"] = 14;
+ tohex["F"] = 15;
+}
+
+function decode_hex(str) {
+ n = 0;
+ len = length(str);
+ for (i = 1; i <= len; i++)
+ {
+ c = substr(str, i, 1);
+ if (c >= "0" && c <= "9")
+ n = n * 16 + (c - "0");
+ else
+ n = n * 16 + tohex[c];
+ }
+ return n;
+}
+
+function sjis_to_jis_ku(code)
+{
+ s1 = int(code / 256);
+ s2 = code % 256;
+ if (s2 >= 159) # s2 >= 0x9F
+ {
+ if (s1 >= 224) # s1 >= 0xE0
+ j1 = s1 * 2 - 352; # j1 = s1 * 2 - 0x160
+ else
+ j1 = s1 * 2 - 224; # j1 = s1 * 2 - 0xE0
+ }
+ else
+ {
+ if (s1 >= 224)
+ j1 = s1 * 2 - 353; # j1 = s1 * 2 - 0x161
+ else
+ j1 = s1 * 2 - 225; # j1 = s1 * 2 - 0xE1
+ }
+ return j1 - 32;
+}
+
+/^0x[89E]/ {
+ sjis=decode_hex(substr($1, 3, 4))
+ ku=sjis_to_jis_ku(sjis);
+ if (ku == 13)
+ print $0" # 1";
+ else if (ku >= 89 && ku <= 92)
+ print $0" # 3";
+ else
+ print $0" # 0";
+ next;
+}
+
+/^0xF/ {
+ print $0" # 2";
+ next;
+}
+
+{
+ print;
+}