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5df4f04c | 1 | # Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
175d1c83 GM |
2 | # National Institute of Advanced Industrial Science and Technology (AIST) |
3 | # Registration Number H13PRO009 | |
9ad5de0c | 4 | |
175d1c83 | 5 | # This file is part of GNU Emacs. |
9ad5de0c GM |
6 | |
7 | # GNU Emacs is free software: you can redistribute it and/or modify | |
175d1c83 | 8 | # it under the terms of the GNU General Public License as published by |
9ad5de0c GM |
9 | # the Free Software Foundation, either version 3 of the License, or |
10 | # (at your option) any later version. | |
11 | ||
175d1c83 GM |
12 | # GNU Emacs is distributed in the hope that it will be useful, |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
9ad5de0c | 16 | |
175d1c83 | 17 | # You should have received a copy of the GNU General Public License |
9ad5de0c | 18 | # along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
175d1c83 | 19 | |
463f5630 KH |
20 | BEGIN { |
21 | tohex["A"] = 10; | |
22 | tohex["B"] = 11; | |
23 | tohex["C"] = 12; | |
24 | tohex["D"] = 13; | |
25 | tohex["E"] = 14; | |
26 | tohex["F"] = 15; | |
27 | tohex["a"] = 10; | |
28 | tohex["b"] = 11; | |
29 | tohex["c"] = 12; | |
30 | tohex["d"] = 13; | |
31 | tohex["e"] = 14; | |
32 | tohex["f"] = 15; | |
33 | } | |
34 | ||
35 | function decode_hex(str) { | |
36 | n = 0; | |
37 | len = length(str); | |
38 | for (i = 1; i <= len; i++) | |
39 | { | |
40 | c = substr (str, i, 1); | |
41 | if (c >= "0" && c <= "9") | |
42 | n = n * 16 + (c - "0"); | |
43 | else | |
44 | n = n * 16 + tohex[c]; | |
45 | } | |
46 | return n; | |
47 | } | |
48 | ||
49 | function decode_big5(big5) { | |
50 | b0 = int(big5 / 256); | |
51 | b1 = big5 % 256; | |
52 | # (0xFF - 0xA1 + 0x7F - 0x40) = 157 | |
53 | # (0xA1 - (0x7F - 0x40)) = 98 | |
54 | # (0xC9 - 0xA1) * (0xFF - 0xA1 + 0x7F - 0x40) = 6280 | |
55 | if (b1 < 127) | |
56 | idx = (b0 - 161) * 157 + (b1 - 64); | |
57 | else | |
58 | idx = (b0 - 161) * 157 + (b1 - 98); | |
59 | if (b0 >= 201) | |
60 | idx -= 6280; | |
61 | b0 = int(idx / 94) + 33; | |
62 | b1 = (idx % 94) + 33; | |
63 | return (b0 * 256 + b1) | |
64 | } | |
65 | ||
66 | { | |
67 | big5 = decode_hex($1); | |
68 | code = decode_big5(big5); | |
69 | printf "0x%04X %s\n", code, $2; | |
70 | } | |
71 | ||
175d1c83 | 72 |