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125 lines
2.9 KiB
Awk
125 lines
2.9 KiB
Awk
# compact.awk -- Make charset map compact.
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# Copyright (C) 2003
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# National Institute of Advanced Industrial Science and Technology (AIST)
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# Registration Number H13PRO009
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#
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# This file is part of GNU Emacs.
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#
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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 2, or (at your option)
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# any later version.
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#
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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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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Emacs; see the file COPYING. If not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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# Comment:
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# Make a charset map compact by changing this kind of line sequence:
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# 0x00 0x0000
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# 0x01 0x0001
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# ...
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# 0x7F 0x007F
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# to one line of this format:
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# 0x00-0x7F 0x0000
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BEGIN {
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tohex["0"] = 1;
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tohex["1"] = 2;
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tohex["2"] = 3;
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tohex["3"] = 4;
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tohex["4"] = 5;
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tohex["5"] = 6;
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tohex["6"] = 7;
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tohex["7"] = 8;
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tohex["8"] = 9;
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tohex["9"] = 10;
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tohex["A"] = 11;
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tohex["B"] = 12;
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tohex["C"] = 13;
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tohex["D"] = 14;
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tohex["E"] = 15;
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tohex["F"] = 16;
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tohex["a"] = 11;
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tohex["b"] = 12;
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tohex["c"] = 13;
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tohex["d"] = 14;
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tohex["e"] = 15;
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tohex["f"] = 16;
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from_code = 0;
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to_code = -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, idx) {
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n = 0;
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len = length(str);
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for (i = idx; i <= len; i++)
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{
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c = tohex[substr (str, i, 1)];
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if (c == 0)
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break;
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n = n * 16 + c - 1;
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}
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return n;
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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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code = decode_hex($1, 3);
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unicode = decode_hex($2, 3);
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if ((code == to_code + 1) && (unicode == to_unicode + 1))
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{
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to_code++;
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to_unicode++;
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}
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else
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{
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if (to_code < 256)
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{
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if (from_code == to_code)
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printf "0x%02X 0x%04X\n", from_code, from_unicode;
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else if (from_code < to_code)
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printf "0x%02X-0x%02X 0x%04X\n", from_code, to_code, from_unicode;
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}
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else
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{
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if (from_code == to_code)
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printf "0x%04X 0x%04X\n", from_code, from_unicode;
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else if (from_code < to_code)
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printf "0x%04X-0x%04X 0x%04X\n", from_code, to_code, from_unicode;
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}
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from_code = to_code = code;
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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 (to_code < 256)
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{
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if (from_code == to_code)
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printf "0x%02X 0x%04X\n", from_code, from_unicode;
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else
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printf "0x%02X-0x%02X 0x%04X\n", from_code, to_code, from_unicode;
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}
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else
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{
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if (from_code == to_code)
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printf "0x%04X 0x%04X\n", from_code, from_unicode;
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else
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printf "0x%04X-0x%04X 0x%04X\n", from_code, to_code, from_unicode;
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}
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}
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# arch-tag: 7e6f57c3-8e62-4af3-8916-ca67bca3a0ce
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