111 lines
2.6 KiB
Awk
111 lines
2.6 KiB
Awk
# Copyright (C) 2003, 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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BEGIN {
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tohex["A"] = 10;
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tohex["B"] = 11;
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tohex["C"] = 12;
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tohex["D"] = 13;
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tohex["E"] = 14;
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tohex["F"] = 15;
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tohex["a"] = 10;
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tohex["b"] = 11;
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tohex["c"] = 12;
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tohex["d"] = 13;
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tohex["e"] = 14;
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tohex["f"] = 15;
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from_gb = 0;
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to_gb = -1;
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to_unicode = 0;
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from_unicode = 0;
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}
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function decode_hex(str) {
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n = 0;
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len = length(str);
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for (i = 1; i <= len; i++)
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{
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c = substr (str, i, 1);
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if (c >= "0" && c <= "9")
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n = n * 16 + (c - "0");
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else
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n = n * 16 + tohex[c];
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}
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return n;
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}
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function gb_to_index(gb) {
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b0 = int(gb / 256);
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b1 = gb % 256;
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idx = (((b0 - 129)) * 191 + b1 - 64);
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# if (b1 >= 128)
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# idx--;
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return idx
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}
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function index_to_gb(idx) {
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b0 = int(idx / 191) + 129;
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b1 = (idx % 191) + 64;
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# if (b1 >= 127)
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# b1++;
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return (b0 * 256 + b1);
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}
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/^#/ {
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print;
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next;
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}
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{
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gb = gb_to_index(decode_hex(substr($1, 3, 4)));
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unicode = decode_hex(substr($2, 3));
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if ((gb == to_gb + 1) && (unicode == to_unicode + 1))
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{
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to_gb++;
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to_unicode++;
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}
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else if (gb > to_gb) # ignore the case gb == to_gb that is a duplication
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{
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if (from_gb == to_gb)
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{
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if (from_unicode <= 65535)
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printf "0x%04X 0x%04X\n", index_to_gb(from_gb), from_unicode;
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else
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printf "0x%04X 0x%08X\n", index_to_gb(from_gb), from_unicode;
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}
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else if (from_gb < to_gb)
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{
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if (from_unicode <= 65535)
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printf "0x%04X-0x%04X 0x%04X\n",
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index_to_gb(from_gb), index_to_gb(to_gb), from_unicode;
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else
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printf "0x%04X-0x%04X 0x%08X\n",
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index_to_gb(from_gb), index_to_gb(to_gb), from_unicode;
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}
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from_gb = to_gb = gb;
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from_unicode = to_unicode = unicode;
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}
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}
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END {
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if (from_gb <= to_gb)
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printf "0x%04X-0x%04X 0x%04X\n",
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index_to_gb(from_gb), index_to_gb(to_gb), from_unicode;
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}
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