| 1 | # Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
| 2 | # National Institute of Advanced Industrial Science and Technology (AIST) |
| 3 | # Registration Number H13PRO009 |
| 4 | |
| 5 | # This file is part of GNU Emacs. |
| 6 | |
| 7 | # GNU Emacs is free software: you can redistribute it and/or modify |
| 8 | # it under the terms of the GNU General Public License as published by |
| 9 | # the Free Software Foundation, either version 3 of the License, or |
| 10 | # (at your option) any later version. |
| 11 | |
| 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. |
| 16 | |
| 17 | # You should have received a copy of the GNU General Public License |
| 18 | # along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
| 19 | |
| 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 | |
| 72 | |
| 73 | # arch-tag: 36f08d21-0d24-4b67-852d-a9a51299586d |