release/src/router/libiconv/lib/gb18030uni.h

   1 /*
   2  * Copyright (C) 1999-2001, 2005 Free Software Foundation, Inc.
   3  * This file is part of the GNU LIBICONV Library.
   4  *
   5  * The GNU LIBICONV Library is free software; you can redistribute it
   6  * and/or modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * The GNU LIBICONV Library is distributed in the hope that it will be
  11  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  17  * If not, write to the Free Software Foundation, Inc., 51 Franklin Street,
  18  * Fifth Floor, Boston, MA 02110-1301, USA.
  19  */
  20
  21 /*
  22  * GB18030 four-byte extension
  23  */
  24
  25 static const unsigned short gb18030uni_charset2uni_ranges[412] = {
  26   0x0000, 0x0023,  0x0024, 0x0025,  0x0026, 0x002c,  0x002d, 0x0031,
  27   0x0032, 0x0050,  0x0051, 0x0058,  0x0059, 0x005e,  0x005f, 0x005f,
  28   0x0060, 0x0063,  0x0064, 0x0066,  0x0067, 0x0067,  0x0068, 0x0068,
  29   0x0069, 0x006c,  0x006d, 0x007d,  0x007e, 0x0084,  0x0085, 0x0093,
  30   0x0094, 0x00ab,  0x00ac, 0x00ae,  0x00af, 0x00b2,  0x00b3, 0x00cf,
  31   0x00d0, 0x0131,  0x0132, 0x0132,  0x0133, 0x0133,  0x0134, 0x0134,
  32   0x0135, 0x0135,  0x0136, 0x0136,  0x0137, 0x0137,  0x0138, 0x0138,
  33   0x0139, 0x0154,  0x0155, 0x01ab,  0x01ac, 0x01ba,  0x01bb, 0x021f,
  34   0x0220, 0x0220,  0x0221, 0x022d,  0x022e, 0x02e4,  0x02e5, 0x02e5,
  35   0x02e6, 0x02ec,  0x02ed, 0x02ed,  0x02ee, 0x0324,  0x0325, 0x0332,
  36   0x0333, 0x0333,  0x0334, 0x1ef1,  0x1ef2, 0x1ef3,  0x1ef4, 0x1ef4,
  37   0x1ef5, 0x1ef6,  0x1ef7, 0x1efd,  0x1efe, 0x1f06,  0x1f07, 0x1f07,
  38   0x1f08, 0x1f08,  0x1f09, 0x1f0d,  0x1f0e, 0x1f7d,  0x1f7e, 0x1fd3,
  39   0x1fd4, 0x1fd4,  0x1fd5, 0x1fd7,  0x1fd8, 0x1fe3,  0x1fe4, 0x1fed,
  40   0x1fee, 0x202b,  0x202c, 0x202f,  0x2030, 0x2045,  0x2046, 0x2047,
  41   0x2048, 0x20b5,  0x20b6, 0x20bb,  0x20bc, 0x20bc,  0x20bd, 0x20bf,
  42   0x20c0, 0x20c3,  0x20c4, 0x20c5,  0x20c6, 0x20c7,  0x20c8, 0x20c8,
  43   0x20c9, 0x20c9,  0x20ca, 0x20cb,  0x20cc, 0x20d0,  0x20d1, 0x20d5,
  44   0x20d6, 0x20df,  0x20e0, 0x20e2,  0x20e3, 0x20e7,  0x20e8, 0x20f4,
  45   0x20f5, 0x20f6,  0x20f7, 0x20fc,  0x20fd, 0x2121,  0x2122, 0x2124,
  46   0x2125, 0x212f,  0x2130, 0x2148,  0x2149, 0x219a,  0x219b, 0x22e7,
  47   0x22e8, 0x22f1,  0x22f2, 0x2355,  0x2356, 0x2359,  0x235a, 0x2366,
  48   0x2367, 0x2369,  0x236a, 0x2373,  0x2374, 0x2383,  0x2384, 0x238b,
  49   0x238c, 0x2393,  0x2394, 0x2396,  0x2397, 0x2398,  0x2399, 0x23aa,
  50   0x23ab, 0x23c9,  0x23ca, 0x23cb,  0x23cc, 0x2401,  0x2402, 0x2402,
  51   0x2403, 0x2c40,  0x2c41, 0x2c42,  0x2c43, 0x2c45,  0x2c46, 0x2c47,
  52   0x2c48, 0x2c51,  0x2c52, 0x2c60,  0x2c61, 0x2c62,  0x2c63, 0x2c65,
  53   0x2c66, 0x2c69,  0x2c6a, 0x2c6b,  0x2c6c, 0x2c6e,  0x2c6f, 0x2c7c,
  54   0x2c7d, 0x2da1,  0x2da2, 0x2da5,  0x2da6, 0x2da6,  0x2da7, 0x2dab,
  55   0x2dac, 0x2dad,  0x2dae, 0x2dc1,  0x2dc2, 0x2dc3,  0x2dc4, 0x2dca,
  56   0x2dcb, 0x2dcc,  0x2dcd, 0x2dd1,  0x2dd2, 0x2dd7,  0x2dd8, 0x2ecd,
  57   0x2ece, 0x2ed4,  0x2ed5, 0x2f45,  0x2f46, 0x302f,  0x3030, 0x303b,
  58   0x303c, 0x303d,  0x303e, 0x305f,  0x3060, 0x3068,  0x3069, 0x306a,
  59   0x306b, 0x306c,  0x306d, 0x30dd,  0x30de, 0x3108,  0x3109, 0x3232,
  60   0x3233, 0x32a1,  0x32a2, 0x32ac,  0x32ad, 0x35a9,  0x35aa, 0x35fe,
  61   0x35ff, 0x365e,  0x365f, 0x366c,  0x366d, 0x36ff,  0x3700, 0x37d9,
  62   0x37da, 0x38f8,  0x38f9, 0x3969,  0x396a, 0x3cde,  0x3cdf, 0x3de6,
  63   0x3de7, 0x3fbd,  0x3fbe, 0x4031,  0x4032, 0x4035,  0x4036, 0x4060,
  64   0x4061, 0x4158,  0x4159, 0x42cd,  0x42ce, 0x42e1,  0x42e2, 0x43a2,
  65   0x43a3, 0x43a7,  0x43a8, 0x43f9,  0x43fa, 0x4409,  0x440a, 0x45c2,
  66   0x45c3, 0x45f4,  0x45f5, 0x45f6,  0x45f7, 0x45fa,  0x45fb, 0x45fb,
  67   0x45fc, 0x460f,  0x4610, 0x4612,  0x4613, 0x4628,  0x4629, 0x48e7,
  68   0x48e8, 0x490e,  0x490f, 0x497d,  0x497e, 0x4a11,  0x4a12, 0x4a62,
  69   0x4a63, 0x82bc,
  70                    0x82bd, 0x82bd,  0x82be, 0x82be,  0x82bf, 0x82cb,
  71   0x82cc, 0x82cc,  0x82cd, 0x82d1,  0x82d2, 0x82d8,  0x82d9, 0x82dc,
  72   0x82dd, 0x82e0,  0x82e1, 0x82e8,  0x82e9, 0x82ef,  0x82f0, 0x82ff,
  73   0x8300, 0x830d,
  74                    0x830e, 0x93d4,  0x93d5, 0x9420,  0x9421, 0x943b,
  75   0x943c, 0x948c,  0x948d, 0x9495,  0x9496, 0x94af,  0x94b0, 0x94b0,
  76   0x94b1, 0x94b1,  0x94b2, 0x94b4,  0x94b5, 0x94ba,  0x94bb, 0x94bb,
  77   0x94bc, 0x94bd,  0x94be, 0x98c3,  0x98c4, 0x98c4,  0x98c5, 0x98c8,
  78   0x98c9, 0x98c9,  0x98ca, 0x98ca,  0x98cb, 0x98cb,  0x98cc, 0x9960,
  79   0x9961, 0x99e1,  0x99e2, 0x99fb
  80 };
  81
  82 static const unsigned short gb18030uni_uni2charset_ranges[412] = {
  83   0x0080, 0x00a3,  0x00a5, 0x00a6,  0x00a9, 0x00af,  0x00b2, 0x00b6,
  84   0x00b8, 0x00d6,  0x00d8, 0x00df,  0x00e2, 0x00e7,  0x00eb, 0x00eb,
  85   0x00ee, 0x00f1,  0x00f4, 0x00f6,  0x00f8, 0x00f8,  0x00fb, 0x00fb,
  86   0x00fd, 0x0100,  0x0102, 0x0112,  0x0114, 0x011a,  0x011c, 0x012a,
  87   0x012c, 0x0143,  0x0145, 0x0147,  0x0149, 0x014c,  0x014e, 0x016a,
  88   0x016c, 0x01cd,  0x01cf, 0x01cf,  0x01d1, 0x01d1,  0x01d3, 0x01d3,
  89   0x01d5, 0x01d5,  0x01d7, 0x01d7,  0x01d9, 0x01d9,  0x01db, 0x01db,
  90   0x01dd, 0x01f8,  0x01fa, 0x0250,  0x0252, 0x0260,  0x0262, 0x02c6,
  91   0x02c8, 0x02c8,  0x02cc, 0x02d8,  0x02da, 0x0390,  0x03a2, 0x03a2,
  92   0x03aa, 0x03b0,  0x03c2, 0x03c2,  0x03ca, 0x0400,  0x0402, 0x040f,
  93   0x0450, 0x0450,  0x0452, 0x200f,  0x2011, 0x2012,  0x2017, 0x2017,
  94   0x201a, 0x201b,  0x201e, 0x2024,  0x2027, 0x202f,  0x2031, 0x2031,
  95   0x2034, 0x2034,  0x2036, 0x203a,  0x203c, 0x20ab,  0x20ad, 0x2102,
  96   0x2104, 0x2104,  0x2106, 0x2108,  0x210a, 0x2115,  0x2117, 0x2120,
  97   0x2122, 0x215f,  0x216c, 0x216f,  0x217a, 0x218f,  0x2194, 0x2195,
  98   0x219a, 0x2207,  0x2209, 0x220e,  0x2210, 0x2210,  0x2212, 0x2214,
  99   0x2216, 0x2219,  0x221b, 0x221c,  0x2221, 0x2222,  0x2224, 0x2224,
 100   0x2226, 0x2226,  0x222c, 0x222d,  0x222f, 0x2233,  0x2238, 0x223c,
 101   0x223e, 0x2247,  0x2249, 0x224b,  0x224d, 0x2251,  0x2253, 0x225f,
 102   0x2262, 0x2263,  0x2268, 0x226d,  0x2270, 0x2294,  0x2296, 0x2298,
 103   0x229a, 0x22a4,  0x22a6, 0x22be,  0x22c0, 0x2311,  0x2313, 0x245f,
 104   0x246a, 0x2473,  0x249c, 0x24ff,  0x254c, 0x254f,  0x2574, 0x2580,
 105   0x2590, 0x2592,  0x2596, 0x259f,  0x25a2, 0x25b1,  0x25b4, 0x25bb,
 106   0x25be, 0x25c5,  0x25c8, 0x25ca,  0x25cc, 0x25cd,  0x25d0, 0x25e1,
 107   0x25e6, 0x2604,  0x2607, 0x2608,  0x260a, 0x263f,  0x2641, 0x2641,
 108   0x2643, 0x2e80,  0x2e82, 0x2e83,  0x2e85, 0x2e87,  0x2e89, 0x2e8a,
 109   0x2e8d, 0x2e96,  0x2e98, 0x2ea6,  0x2ea8, 0x2ea9,  0x2eab, 0x2ead,
 110   0x2eaf, 0x2eb2,  0x2eb4, 0x2eb5,  0x2eb8, 0x2eba,  0x2ebc, 0x2ec9,
 111   0x2ecb, 0x2fef,  0x2ffc, 0x2fff,  0x3004, 0x3004,  0x3018, 0x301c,
 112   0x301f, 0x3020,  0x302a, 0x303d,  0x303f, 0x3040,  0x3094, 0x309a,
 113   0x309f, 0x30a0,  0x30f7, 0x30fb,  0x30ff, 0x3104,  0x312a, 0x321f,
 114   0x322a, 0x3230,  0x3232, 0x32a2,  0x32a4, 0x338d,  0x3390, 0x339b,
 115   0x339f, 0x33a0,  0x33a2, 0x33c3,  0x33c5, 0x33cd,  0x33cf, 0x33d0,
 116   0x33d3, 0x33d4,  0x33d6, 0x3446,  0x3448, 0x3472,  0x3474, 0x359d,
 117   0x359f, 0x360d,  0x360f, 0x3619,  0x361b, 0x3917,  0x3919, 0x396d,
 118   0x396f, 0x39ce,  0x39d1, 0x39de,  0x39e0, 0x3a72,  0x3a74, 0x3b4d,
 119   0x3b4f, 0x3c6d,  0x3c6f, 0x3cdf,  0x3ce1, 0x4055,  0x4057, 0x415e,
 120   0x4160, 0x4336,  0x4338, 0x43ab,  0x43ad, 0x43b0,  0x43b2, 0x43dc,
 121   0x43de, 0x44d5,  0x44d7, 0x464b,  0x464d, 0x4660,  0x4662, 0x4722,
 122   0x4724, 0x4728,  0x472a, 0x477b,  0x477d, 0x478c,  0x478e, 0x4946,
 123   0x4948, 0x4979,  0x497b, 0x497c,  0x497e, 0x4981,  0x4984, 0x4984,
 124   0x4987, 0x499a,  0x499c, 0x499e,  0x49a0, 0x49b5,  0x49b8, 0x4c76,
 125   0x4c78, 0x4c9e,  0x4ca4, 0x4d12,  0x4d1a, 0x4dad,  0x4daf, 0x4dff,
 126   0x9fa6, 0xd7ff,
 127                    0xe76c, 0xe76c,  0xe7c8, 0xe7c8,  0xe7e7, 0xe7f3,
 128   0xe815, 0xe815,  0xe819, 0xe81d,  0xe81f, 0xe825,  0xe827, 0xe82a,
 129   0xe82d, 0xe830,  0xe833, 0xe83a,  0xe83c, 0xe842,  0xe844, 0xe853,
 130   0xe856, 0xe863,
 131                    0xe865, 0xf92b,  0xf92d, 0xf978,  0xf97a, 0xf994,
 132   0xf996, 0xf9e6,  0xf9e8, 0xf9f0,  0xf9f2, 0xfa0b,  0xfa10, 0xfa10,
 133   0xfa12, 0xfa12,  0xfa15, 0xfa17,  0xfa19, 0xfa1e,  0xfa22, 0xfa22,
 134   0xfa25, 0xfa26,  0xfa2a, 0xfe2f,  0xfe32, 0xfe32,  0xfe45, 0xfe48,
 135   0xfe53, 0xfe53,  0xfe58, 0xfe58,  0xfe67, 0xfe67,  0xfe6c, 0xff00,
 136   0xff5f, 0xffdf,  0xffe6, 0xffff
 137 };
 138
 139 static const unsigned short gb18030uni_ranges[206] = {
 140     128,   129,   131,   133,   134,   135,   137,   140,
 141     142,   144,   145,   147,   148,   149,   150,   151,
 142     152,   153,   154,   155,   156,   157,   158,   159,
 143     160,   161,   162,   163,   164,   165,   166,   167,
 144     168,   171,   172,   189,   196,   213,   220,   221,
 145     285,   286,   287,   291,   293,   295,   297,   298,
 146     300,   301,   302,   303,   304,   305,   306,   307,
 147     308,   320,   330,   334,   338,   339,   340,   341,
 148     342,   343,   347,   348,   349,   354,   355,   359,
 149     360,   361,   362,   363,   365,   369,   371,   372,
 150     373,   374,   375,   376,   386,   426,   502,   538,
 151     553,   556,   558,   560,   562,   564,   565,   567,
 152     571,   573,   574,   575,   576,   577,   578,   579,
 153     581,   582,   583,   584,   585,   586,   588,   589,
 154     590,   602,   606,   625,   627,   636,   637,   720,
 155     724,   810,   813,   850,   860,   861,   862,   864,
 156     867,   868,   869,   870,   872,   873,   874,   875,
 157     876,   877,   878,   879,   880,   882,   883,   884,
 158     885,   886,   887,   888,   889,   890,   891,   892,
 159     893,   894,   895,   896,   897,   898,   899,   900,
 160     901,   902,   903,   905,   907,   908,   909,   911,
 161     912,   917,   924,   925, 21827,
 162                                      25775, 25866, 25896,
 163   25929, 25932, 25933, 25934, 25936, 25938, 25939, 25940,
 164   25942,
 165          25943, 25944, 25945, 25946, 25947, 25948, 25952,
 166   25953, 25955, 25956, 25959, 25961, 25964, 25966, 25984,
 167   25994, 25998, 26012, 26016, 26110, 26116
 168 };
 169
 170 static int
 171 gb18030uni_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
 172 {
 173   unsigned char c1 = s[0];
 174   if (c1 >= 0x81 && c1 <= 0x84) {
 175     if (n >= 2) {
 176       unsigned char c2 = s[1];
 177       if (c2 >= 0x30 && c2 <= 0x39) {
 178         if (n >= 3) {
 179           unsigned char c3 = s[2];
 180           if (c3 >= 0x81 && c3 <= 0xfe) {
 181             if (n >= 4) {
 182               unsigned char c4 = s[3];
 183               if (c4 >= 0x30 && c4 <= 0x39) {
 184                 unsigned int i = (((c1 - 0x81) * 10 + (c2 - 0x30)) * 126 + (c3 - 0x81)) * 10 + (c4 - 0x30);
 185                 if (i >= 0 && i <= 39419) {
 186                   unsigned int k1 = 0;
 187                   unsigned int k2 = 205;
 188                   while (k1 < k2) {
 189                     unsigned int k = (k1 + k2) / 2;
 190                     if (i <= gb18030uni_charset2uni_ranges[2*k+1])
 191                       k2 = k;
 192                     else if (i >= gb18030uni_charset2uni_ranges[2*k+2])
 193                       k1 = k + 1;
 194                     else
 195                       return RET_ILSEQ;
 196                   }
 197                   {
 198                     unsigned int diff = gb18030uni_ranges[k1];
 199                     *pwc = (ucs4_t) (i + diff);
 200                     return 4;
 201                   }
 202                 }
 203               }
 204               return RET_ILSEQ;
 205             }
 206             return RET_TOOFEW(0);
 207           }
 208           return RET_ILSEQ;
 209         }
 210         return RET_TOOFEW(0);
 211       }
 212       return RET_ILSEQ;
 213     }
 214     return RET_TOOFEW(0);
 215   }
 216   return RET_ILSEQ;
 217 }
 218
 219 static int
 220 gb18030uni_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
 221 {
 222   if (n >= 4) {
 223     unsigned int i = wc;
 224     if (i >= 0x0080 && i <= 0xffff) {
 225       unsigned int k1 = 0;
 226       unsigned int k2 = 205;
 227       while (k1 < k2) {
 228         unsigned int k = (k1 + k2) / 2;
 229         if (i <= gb18030uni_uni2charset_ranges[2*k+1])
 230           k2 = k;
 231         else if (i >= gb18030uni_uni2charset_ranges[2*k+2])
 232           k1 = k + 1;
 233         else
 234           return RET_ILUNI;
 235       }
 236       {
 237         unsigned int diff = gb18030uni_ranges[k1];
 238         i -= diff;
 239         r[3] = (i % 10) + 0x30; i = i / 10;
 240         r[2] = (i % 126) + 0x81; i = i / 126;
 241         r[1] = (i % 10) + 0x30; i = i / 10;
 242         r[0] = i + 0x81;
 243         return 4;
 244       }
 245     }
 246     return RET_ILUNI;
 247   }
 248   return RET_TOOSMALL;
 249 }