forked from mia/Aegisub
249 lines
12 KiB
C
249 lines
12 KiB
C
/*
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* Copyright (C) 1999-2001, 2005 Free Software Foundation, Inc.
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* This file is part of the GNU LIBICONV Library.
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*
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* The GNU LIBICONV Library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* The GNU LIBICONV Library is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with the GNU LIBICONV Library; see the file COPYING.LIB.
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* If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
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* Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/*
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* GB18030 four-byte extension
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*/
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static const unsigned short gb18030uni_charset2uni_ranges[412] = {
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0x0000, 0x0023, 0x0024, 0x0025, 0x0026, 0x002c, 0x002d, 0x0031,
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0x0032, 0x0050, 0x0051, 0x0058, 0x0059, 0x005e, 0x005f, 0x005f,
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0x0060, 0x0063, 0x0064, 0x0066, 0x0067, 0x0067, 0x0068, 0x0068,
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0x0069, 0x006c, 0x006d, 0x007d, 0x007e, 0x0084, 0x0085, 0x0093,
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0x0094, 0x00ab, 0x00ac, 0x00ae, 0x00af, 0x00b2, 0x00b3, 0x00cf,
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0x00d0, 0x0131, 0x0132, 0x0132, 0x0133, 0x0133, 0x0134, 0x0134,
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0x0135, 0x0135, 0x0136, 0x0136, 0x0137, 0x0137, 0x0138, 0x0138,
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0x0139, 0x0154, 0x0155, 0x01ab, 0x01ac, 0x01ba, 0x01bb, 0x021f,
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0x0220, 0x0220, 0x0221, 0x022d, 0x022e, 0x02e4, 0x02e5, 0x02e5,
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0x02e6, 0x02ec, 0x02ed, 0x02ed, 0x02ee, 0x0324, 0x0325, 0x0332,
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0x0333, 0x0333, 0x0334, 0x1ef1, 0x1ef2, 0x1ef3, 0x1ef4, 0x1ef4,
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0x1ef5, 0x1ef6, 0x1ef7, 0x1efd, 0x1efe, 0x1f06, 0x1f07, 0x1f07,
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0x1f08, 0x1f08, 0x1f09, 0x1f0d, 0x1f0e, 0x1f7d, 0x1f7e, 0x1fd3,
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0x1fd4, 0x1fd4, 0x1fd5, 0x1fd7, 0x1fd8, 0x1fe3, 0x1fe4, 0x1fed,
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0x1fee, 0x202b, 0x202c, 0x202f, 0x2030, 0x2045, 0x2046, 0x2047,
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0x2048, 0x20b5, 0x20b6, 0x20bb, 0x20bc, 0x20bc, 0x20bd, 0x20bf,
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0x20c0, 0x20c3, 0x20c4, 0x20c5, 0x20c6, 0x20c7, 0x20c8, 0x20c8,
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0x20c9, 0x20c9, 0x20ca, 0x20cb, 0x20cc, 0x20d0, 0x20d1, 0x20d5,
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0x20d6, 0x20df, 0x20e0, 0x20e2, 0x20e3, 0x20e7, 0x20e8, 0x20f4,
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0x20f5, 0x20f6, 0x20f7, 0x20fc, 0x20fd, 0x2121, 0x2122, 0x2124,
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0x2125, 0x212f, 0x2130, 0x2148, 0x2149, 0x219a, 0x219b, 0x22e7,
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0x22e8, 0x22f1, 0x22f2, 0x2355, 0x2356, 0x2359, 0x235a, 0x2366,
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0x2367, 0x2369, 0x236a, 0x2373, 0x2374, 0x2383, 0x2384, 0x238b,
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0x238c, 0x2393, 0x2394, 0x2396, 0x2397, 0x2398, 0x2399, 0x23aa,
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0x23ab, 0x23c9, 0x23ca, 0x23cb, 0x23cc, 0x2401, 0x2402, 0x2402,
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0x2403, 0x2c40, 0x2c41, 0x2c42, 0x2c43, 0x2c45, 0x2c46, 0x2c47,
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0x2c48, 0x2c51, 0x2c52, 0x2c60, 0x2c61, 0x2c62, 0x2c63, 0x2c65,
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0x2c66, 0x2c69, 0x2c6a, 0x2c6b, 0x2c6c, 0x2c6e, 0x2c6f, 0x2c7c,
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0x2c7d, 0x2da1, 0x2da2, 0x2da5, 0x2da6, 0x2da6, 0x2da7, 0x2dab,
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0x2dac, 0x2dad, 0x2dae, 0x2dc1, 0x2dc2, 0x2dc3, 0x2dc4, 0x2dca,
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0x2dcb, 0x2dcc, 0x2dcd, 0x2dd1, 0x2dd2, 0x2dd7, 0x2dd8, 0x2ecd,
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0x2ece, 0x2ed4, 0x2ed5, 0x2f45, 0x2f46, 0x302f, 0x3030, 0x303b,
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0x303c, 0x303d, 0x303e, 0x305f, 0x3060, 0x3068, 0x3069, 0x306a,
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0x306b, 0x306c, 0x306d, 0x30dd, 0x30de, 0x3108, 0x3109, 0x3232,
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0x3233, 0x32a1, 0x32a2, 0x32ac, 0x32ad, 0x35a9, 0x35aa, 0x35fe,
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0x35ff, 0x365e, 0x365f, 0x366c, 0x366d, 0x36ff, 0x3700, 0x37d9,
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0x37da, 0x38f8, 0x38f9, 0x3969, 0x396a, 0x3cde, 0x3cdf, 0x3de6,
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0x3de7, 0x3fbd, 0x3fbe, 0x4031, 0x4032, 0x4035, 0x4036, 0x4060,
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0x4061, 0x4158, 0x4159, 0x42cd, 0x42ce, 0x42e1, 0x42e2, 0x43a2,
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0x43a3, 0x43a7, 0x43a8, 0x43f9, 0x43fa, 0x4409, 0x440a, 0x45c2,
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0x45c3, 0x45f4, 0x45f5, 0x45f6, 0x45f7, 0x45fa, 0x45fb, 0x45fb,
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0x45fc, 0x460f, 0x4610, 0x4612, 0x4613, 0x4628, 0x4629, 0x48e7,
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0x48e8, 0x490e, 0x490f, 0x497d, 0x497e, 0x4a11, 0x4a12, 0x4a62,
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0x4a63, 0x82bc,
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0x82bd, 0x82bd, 0x82be, 0x82be, 0x82bf, 0x82cb,
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0x82cc, 0x82cc, 0x82cd, 0x82d1, 0x82d2, 0x82d8, 0x82d9, 0x82dc,
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0x82dd, 0x82e0, 0x82e1, 0x82e8, 0x82e9, 0x82ef, 0x82f0, 0x82ff,
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0x8300, 0x830d,
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0x830e, 0x93d4, 0x93d5, 0x9420, 0x9421, 0x943b,
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0x943c, 0x948c, 0x948d, 0x9495, 0x9496, 0x94af, 0x94b0, 0x94b0,
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0x94b1, 0x94b1, 0x94b2, 0x94b4, 0x94b5, 0x94ba, 0x94bb, 0x94bb,
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0x94bc, 0x94bd, 0x94be, 0x98c3, 0x98c4, 0x98c4, 0x98c5, 0x98c8,
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0x98c9, 0x98c9, 0x98ca, 0x98ca, 0x98cb, 0x98cb, 0x98cc, 0x9960,
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0x9961, 0x99e1, 0x99e2, 0x99fb
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};
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static const unsigned short gb18030uni_uni2charset_ranges[412] = {
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0x0080, 0x00a3, 0x00a5, 0x00a6, 0x00a9, 0x00af, 0x00b2, 0x00b6,
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0x00b8, 0x00d6, 0x00d8, 0x00df, 0x00e2, 0x00e7, 0x00eb, 0x00eb,
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0x00ee, 0x00f1, 0x00f4, 0x00f6, 0x00f8, 0x00f8, 0x00fb, 0x00fb,
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0x00fd, 0x0100, 0x0102, 0x0112, 0x0114, 0x011a, 0x011c, 0x012a,
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0x012c, 0x0143, 0x0145, 0x0147, 0x0149, 0x014c, 0x014e, 0x016a,
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0x016c, 0x01cd, 0x01cf, 0x01cf, 0x01d1, 0x01d1, 0x01d3, 0x01d3,
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0x01d5, 0x01d5, 0x01d7, 0x01d7, 0x01d9, 0x01d9, 0x01db, 0x01db,
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0x01dd, 0x01f8, 0x01fa, 0x0250, 0x0252, 0x0260, 0x0262, 0x02c6,
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0x02c8, 0x02c8, 0x02cc, 0x02d8, 0x02da, 0x0390, 0x03a2, 0x03a2,
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0x03aa, 0x03b0, 0x03c2, 0x03c2, 0x03ca, 0x0400, 0x0402, 0x040f,
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0x0450, 0x0450, 0x0452, 0x200f, 0x2011, 0x2012, 0x2017, 0x2017,
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0x201a, 0x201b, 0x201e, 0x2024, 0x2027, 0x202f, 0x2031, 0x2031,
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0x2034, 0x2034, 0x2036, 0x203a, 0x203c, 0x20ab, 0x20ad, 0x2102,
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0x2104, 0x2104, 0x2106, 0x2108, 0x210a, 0x2115, 0x2117, 0x2120,
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0x2122, 0x215f, 0x216c, 0x216f, 0x217a, 0x218f, 0x2194, 0x2195,
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0x219a, 0x2207, 0x2209, 0x220e, 0x2210, 0x2210, 0x2212, 0x2214,
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0x2216, 0x2219, 0x221b, 0x221c, 0x2221, 0x2222, 0x2224, 0x2224,
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0x2226, 0x2226, 0x222c, 0x222d, 0x222f, 0x2233, 0x2238, 0x223c,
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0x223e, 0x2247, 0x2249, 0x224b, 0x224d, 0x2251, 0x2253, 0x225f,
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0x2262, 0x2263, 0x2268, 0x226d, 0x2270, 0x2294, 0x2296, 0x2298,
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0x229a, 0x22a4, 0x22a6, 0x22be, 0x22c0, 0x2311, 0x2313, 0x245f,
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0x246a, 0x2473, 0x249c, 0x24ff, 0x254c, 0x254f, 0x2574, 0x2580,
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0x2590, 0x2592, 0x2596, 0x259f, 0x25a2, 0x25b1, 0x25b4, 0x25bb,
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0x25be, 0x25c5, 0x25c8, 0x25ca, 0x25cc, 0x25cd, 0x25d0, 0x25e1,
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0x25e6, 0x2604, 0x2607, 0x2608, 0x260a, 0x263f, 0x2641, 0x2641,
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0x2643, 0x2e80, 0x2e82, 0x2e83, 0x2e85, 0x2e87, 0x2e89, 0x2e8a,
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0x2e8d, 0x2e96, 0x2e98, 0x2ea6, 0x2ea8, 0x2ea9, 0x2eab, 0x2ead,
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0x2eaf, 0x2eb2, 0x2eb4, 0x2eb5, 0x2eb8, 0x2eba, 0x2ebc, 0x2ec9,
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0x2ecb, 0x2fef, 0x2ffc, 0x2fff, 0x3004, 0x3004, 0x3018, 0x301c,
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0x301f, 0x3020, 0x302a, 0x303d, 0x303f, 0x3040, 0x3094, 0x309a,
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0x309f, 0x30a0, 0x30f7, 0x30fb, 0x30ff, 0x3104, 0x312a, 0x321f,
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0x322a, 0x3230, 0x3232, 0x32a2, 0x32a4, 0x338d, 0x3390, 0x339b,
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0x339f, 0x33a0, 0x33a2, 0x33c3, 0x33c5, 0x33cd, 0x33cf, 0x33d0,
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0x33d3, 0x33d4, 0x33d6, 0x3446, 0x3448, 0x3472, 0x3474, 0x359d,
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0x359f, 0x360d, 0x360f, 0x3619, 0x361b, 0x3917, 0x3919, 0x396d,
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0x396f, 0x39ce, 0x39d1, 0x39de, 0x39e0, 0x3a72, 0x3a74, 0x3b4d,
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0x3b4f, 0x3c6d, 0x3c6f, 0x3cdf, 0x3ce1, 0x4055, 0x4057, 0x415e,
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0x4160, 0x4336, 0x4338, 0x43ab, 0x43ad, 0x43b0, 0x43b2, 0x43dc,
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0x43de, 0x44d5, 0x44d7, 0x464b, 0x464d, 0x4660, 0x4662, 0x4722,
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0x4724, 0x4728, 0x472a, 0x477b, 0x477d, 0x478c, 0x478e, 0x4946,
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0x4948, 0x4979, 0x497b, 0x497c, 0x497e, 0x4981, 0x4984, 0x4984,
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0x4987, 0x499a, 0x499c, 0x499e, 0x49a0, 0x49b5, 0x49b8, 0x4c76,
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0x4c78, 0x4c9e, 0x4ca4, 0x4d12, 0x4d1a, 0x4dad, 0x4daf, 0x4dff,
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0x9fa6, 0xd7ff,
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0xe76c, 0xe76c, 0xe7c8, 0xe7c8, 0xe7e7, 0xe7f3,
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0xe815, 0xe815, 0xe819, 0xe81d, 0xe81f, 0xe825, 0xe827, 0xe82a,
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0xe82d, 0xe830, 0xe833, 0xe83a, 0xe83c, 0xe842, 0xe844, 0xe853,
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0xe856, 0xe863,
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0xe865, 0xf92b, 0xf92d, 0xf978, 0xf97a, 0xf994,
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0xf996, 0xf9e6, 0xf9e8, 0xf9f0, 0xf9f2, 0xfa0b, 0xfa10, 0xfa10,
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0xfa12, 0xfa12, 0xfa15, 0xfa17, 0xfa19, 0xfa1e, 0xfa22, 0xfa22,
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0xfa25, 0xfa26, 0xfa2a, 0xfe2f, 0xfe32, 0xfe32, 0xfe45, 0xfe48,
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0xfe53, 0xfe53, 0xfe58, 0xfe58, 0xfe67, 0xfe67, 0xfe6c, 0xff00,
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0xff5f, 0xffdf, 0xffe6, 0xffff
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};
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static const unsigned short gb18030uni_ranges[206] = {
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128, 129, 131, 133, 134, 135, 137, 140,
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142, 144, 145, 147, 148, 149, 150, 151,
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152, 153, 154, 155, 156, 157, 158, 159,
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160, 161, 162, 163, 164, 165, 166, 167,
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168, 171, 172, 189, 196, 213, 220, 221,
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285, 286, 287, 291, 293, 295, 297, 298,
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300, 301, 302, 303, 304, 305, 306, 307,
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308, 320, 330, 334, 338, 339, 340, 341,
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342, 343, 347, 348, 349, 354, 355, 359,
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360, 361, 362, 363, 365, 369, 371, 372,
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373, 374, 375, 376, 386, 426, 502, 538,
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553, 556, 558, 560, 562, 564, 565, 567,
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571, 573, 574, 575, 576, 577, 578, 579,
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581, 582, 583, 584, 585, 586, 588, 589,
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590, 602, 606, 625, 627, 636, 637, 720,
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724, 810, 813, 850, 860, 861, 862, 864,
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867, 868, 869, 870, 872, 873, 874, 875,
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876, 877, 878, 879, 880, 882, 883, 884,
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885, 886, 887, 888, 889, 890, 891, 892,
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893, 894, 895, 896, 897, 898, 899, 900,
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901, 902, 903, 905, 907, 908, 909, 911,
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912, 917, 924, 925, 21827,
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25775, 25866, 25896,
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25929, 25932, 25933, 25934, 25936, 25938, 25939, 25940,
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25942,
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25943, 25944, 25945, 25946, 25947, 25948, 25952,
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25953, 25955, 25956, 25959, 25961, 25964, 25966, 25984,
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25994, 25998, 26012, 26016, 26110, 26116
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};
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static int
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gb18030uni_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
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{
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unsigned char c1 = s[0];
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if (c1 >= 0x81 && c1 <= 0x84) {
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if (n >= 2) {
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unsigned char c2 = s[1];
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if (c2 >= 0x30 && c2 <= 0x39) {
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if (n >= 3) {
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unsigned char c3 = s[2];
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if (c3 >= 0x81 && c3 <= 0xfe) {
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if (n >= 4) {
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unsigned char c4 = s[3];
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if (c4 >= 0x30 && c4 <= 0x39) {
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unsigned int i = (((c1 - 0x81) * 10 + (c2 - 0x30)) * 126 + (c3 - 0x81)) * 10 + (c4 - 0x30);
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if (i >= 0 && i <= 39419) {
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unsigned int k1 = 0;
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unsigned int k2 = 205;
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while (k1 < k2) {
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unsigned int k = (k1 + k2) / 2;
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if (i <= gb18030uni_charset2uni_ranges[2*k+1])
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k2 = k;
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else if (i >= gb18030uni_charset2uni_ranges[2*k+2])
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k1 = k + 1;
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else
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return RET_ILSEQ;
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}
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{
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unsigned int diff = gb18030uni_ranges[k1];
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*pwc = (ucs4_t) (i + diff);
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return 4;
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}
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}
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}
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return RET_ILSEQ;
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}
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return RET_TOOFEW(0);
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}
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return RET_ILSEQ;
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}
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return RET_TOOFEW(0);
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}
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return RET_ILSEQ;
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}
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return RET_TOOFEW(0);
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}
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return RET_ILSEQ;
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}
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static int
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gb18030uni_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
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{
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if (n >= 4) {
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unsigned int i = wc;
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if (i >= 0x0080 && i <= 0xffff) {
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unsigned int k1 = 0;
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unsigned int k2 = 205;
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while (k1 < k2) {
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unsigned int k = (k1 + k2) / 2;
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if (i <= gb18030uni_uni2charset_ranges[2*k+1])
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k2 = k;
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else if (i >= gb18030uni_uni2charset_ranges[2*k+2])
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k1 = k + 1;
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else
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return RET_ILUNI;
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}
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{
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unsigned int diff = gb18030uni_ranges[k1];
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i -= diff;
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r[3] = (i % 10) + 0x30; i = i / 10;
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r[2] = (i % 126) + 0x81; i = i / 126;
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r[1] = (i % 10) + 0x30; i = i / 10;
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r[0] = i + 0x81;
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return 4;
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}
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}
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return RET_ILUNI;
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}
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return RET_TOOSMALL;
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}
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