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118 lines
2.8 KiB
Awk
118 lines
2.8 KiB
Awk
# cp932.awk -- Add sort keys and append user defined area to CP932-2BYTE.map.
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# Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
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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 <http://www.gnu.org/licenses/>.
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# Commentary:
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# Add a sort key 0, 1, 2, or 3 at the tail of each line as a comment
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# to realize the round trip mapping to Unicode works as described in
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# this page:
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# http://support.microsoft.com/default.aspx?scid=kb;EN-US;170559
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# Each sort key means as below:
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# 0: JISX0208 characters.
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# 1: NEC special characters.
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# 2: IBM extension characters.
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# 3: NEC selection of IBM extension characters.
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# 4: user defined area
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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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}
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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 sjis_to_jis_ku(code)
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{
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s1 = int(code / 256);
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s2 = code % 256;
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if (s2 >= 159) # s2 >= 0x9F
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{
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if (s1 >= 224) # s1 >= 0xE0
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j1 = s1 * 2 - 352; # j1 = s1 * 2 - 0x160
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else
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j1 = s1 * 2 - 224; # j1 = s1 * 2 - 0xE0
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j2 = s2 - 126 # j2 = s2 - #x7E
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}
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else
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{
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if (s1 >= 224)
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j1 = s1 * 2 - 353; # j1 = s1 * 2 - 0x161
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else
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j1 = s1 * 2 - 225; # j1 = s1 * 2 - 0xE1
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if (s2 >= 127) # s2 >= #x7F
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j2 = s2 - 32;
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else
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j2 = s2 - 31;
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}
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return j1 - 32;
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}
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/^0x[89E]/ {
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sjis=decode_hex(substr($1, 3, 4))
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ku=sjis_to_jis_ku(sjis);
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if (ku == 13)
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printf "%s # 1 %02X%02X\n", $0, j1, j2;
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else if (ku >= 89 && ku <= 92)
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printf "%s # 3 %02X%02X\n", $0, j1, j2;
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else
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printf "%s # 0 %02X%02X\n", $0, j1, j2;
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next;
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}
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/^0xF/ {
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printf "%s # 2\n", $0;
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next;
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}
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{
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print;
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}
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END {
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code = 57344; # 0xE000
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for (i = 240; i < 250; i++)
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{
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for (j = 64; j <= 126; j++)
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printf "0x%02X%02X 0x%04X # 4\n", i, j, code++;
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for (j = 128; j <= 158; j++)
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printf "0x%02X%02X 0x%04X # 4\n", i, j, code++;
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for (; j <= 252; j++)
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printf "0x%02X%02X 0x%04X # 4\n", i, j, code++;
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}
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}
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# arch-tag: 998dc444-759d-43ef-87e3-2ab205011394
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