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# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
# 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
BEGIN {
tohex["A"] = 10;
tohex["B"] = 11;
tohex["C"] = 12;
tohex["D"] = 13;
tohex["E"] = 14;
tohex["F"] = 15;
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 decode_big5(big5) {
b0 = int(big5 / 256);
b1 = big5 % 256;
# (0xFF - 0xA1 + 0x7F - 0x40) = 157
# (0xA1 - (0x7F - 0x40)) = 98
# (0xC9 - 0xA1) * (0xFF - 0xA1 + 0x7F - 0x40) = 6280
if (b1 < 127)
idx = (b0 - 161) * 157 + (b1 - 64);
else
idx = (b0 - 161) * 157 + (b1 - 98);
if (b0 >= 201)
idx -= 6280;
b0 = int(idx / 94) + 33;
b1 = (idx % 94) + 33;
return (b0 * 256 + b1)
}
{
big5 = decode_hex($1);
code = decode_big5(big5);
printf "0x%04X %s\n", code, $2;
}
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