isoir165ext.h

libiconv是一个很不错的字符集转换库。程序接口也很简单

  {  641, 0x0000 }, {  641, 0x0002 }, {  642, 0x0000 }, {  642, 0x0000 },
  /* 0x8200 */
  {  642, 0x0000 }, {  642, 0x0140 }, {  644, 0x0000 }, {  644, 0x0400 },
  {  645, 0x0000 }, {  645, 0x0000 }, {  645, 0x0000 }, {  645, 0x0100 },
  {  646, 0x0008 }, {  647, 0x0000 }, {  647, 0x0080 }, {  648, 0x1000 },
  {  649, 0x0000 }, {  649, 0x0000 }, {  649, 0x0000 }, {  649, 0x4000 },
  /* 0x8300 */
  {  650, 0x0001 }, {  651, 0x2008 }, {  653, 0x0000 }, {  653, 0x0000 },
  {  653, 0x0030 }, {  655, 0x2000 }, {  656, 0x0000 }, {  656, 0x0000 },
  {  656, 0x0000 }, {  656, 0x0200 }, {  657, 0x0040 }, {  658, 0x0000 },
  {  658, 0x0000 }, {  658, 0x0002 }, {  659, 0x0000 }, {  659, 0x5000 },
  /* 0x8400 */
  {  661, 0x0000 }, {  661, 0x0400 }, {  662, 0x0200 }, {  663, 0x0200 },
  {  664, 0x0000 }, {  664, 0x0008 }, {  665, 0x0001 }, {  666, 0x0000 },
  {  666, 0x0000 }, {  666, 0xc000 }, {  668, 0x0100 }, {  669, 0x0000 },
  {  669, 0x8044 }, {  672, 0x0000 }, {  672, 0x0400 }, {  673, 0x0080 },
  /* 0x8500 */
  {  674, 0x0000 }, {  674, 0x0000 }, {  674, 0x0000 }, {  674, 0x0010 },
  {  675, 0x0000 }, {  675, 0x0000 }, {  675, 0x0000 }, {  675, 0x0001 },
  {  676, 0x0000 }, {  676, 0x0000 }, {  676, 0x0004 }, {  677, 0x0108 },
  {  679, 0x0000 }, {  679, 0x0000 }, {  679, 0x0001 }, {  680, 0x0000 },
  /* 0x8600 */
  {  680, 0x0000 }, {  680, 0x0000 }, {  680, 0x0000 }, {  680, 0x0000 },
  {  680, 0x0000 }, {  680, 0x0004 }, {  681, 0x0000 }, {  681, 0x0000 },
  {  681, 0x0008 }, {  682, 0x0000 }, {  682, 0x0000 }, {  682, 0x0000 },
  {  682, 0x0000 }, {  682, 0x0000 }, {  682, 0x0000 }, {  682, 0x0000 },
  /* 0x8700 */
  {  682, 0x4020 }, {  684, 0x0000 }, {  684, 0x0000 }, {  684, 0x0000 },
  {  684, 0x0000 }, {  684, 0x0100 }, {  685, 0x0000 }, {  685, 0x0000 },
  {  685, 0x0001 }, {  686, 0x0000 }, {  686, 0x0008 }, {  687, 0x0000 },
  {  687, 0x8000 }, {  688, 0x0000 }, {  688, 0x0004 }, {  689, 0x0000 },
  /* 0x8800 */
  {  689, 0x0800 }, {  690, 0x0000 }, {  690, 0x2000 }, {  691, 0x0000 },
  {  691, 0x0000 }, {  691, 0x0004 }, {  692, 0x0000 }, {  692, 0x0000 },
  {  692, 0x0040 }, {  693, 0x0080 }, {  694, 0x8400 }, {  696, 0x0000 },
  {  696, 0x0101 }, {  698, 0x0000 }, {  698, 0x0000 }, {  698, 0x0000 },
  /* 0x8900 */
  {  698, 0x0000 }, {  698, 0x0000 }, {  698, 0x0040 }, {  699, 0x0000 },
  {  699, 0x0000 }, {  699, 0x0020 }, {  700, 0x0000 }, {  700, 0x0040 },
  {  701, 0x0001 }, {  702, 0x0000 }, {  702, 0x0000 }, {  702, 0x0000 },
  {  702, 0x2008 }, {  704, 0x0010 }, {  705, 0x0000 }, {  705, 0x0002 },
  /* 0x8a00 */
  {  706, 0x0000 }, {  706, 0x0400 }, {  707, 0x0000 }, {  707, 0x0000 },
  {  707, 0x0000 }, {  707, 0x8000 }, {  708, 0x0000 }, {  708, 0x0000 },
  {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 },
  {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 },
  /* 0x8b00 */
  {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 },
  {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x0000 },
  {  708, 0x0000 }, {  708, 0x0000 }, {  708, 0x1000 }, {  709, 0x0802 },
  {  711, 0x0080 }, {  712, 0x0000 }, {  712, 0x0400 }, {  713, 0x0000 },
  /* 0x8c00 */
  {  713, 0x0200 }, {  714, 0x4000 }, {  715, 0x0000 }, {  715, 0x0000 },
  {  715, 0x0000 }, {  715, 0x0000 }, {  715, 0x6100 }, {  718, 0x0000 },
  {  718, 0x0040 }, {  719, 0x0000 }, {  719, 0x0000 }, {  719, 0x0000 },
  {  719, 0x0000 }, {  719, 0x0000 }, {  719, 0x0000 }, {  719, 0x0000 },
  /* 0x8d00 */
  {  719, 0x0000 }, {  719, 0x0000 }, {  719, 0x0001 }, {  720, 0x0000 },
  {  720, 0x0000 }, {  720, 0x8086 }, {  724, 0x0400 }, {  725, 0x0000 },
  {  725, 0x0000 }, {  725, 0x0000 }, {  725, 0x0000 }, {  725, 0x0000 },
  {  725, 0x0000 }, {  725, 0x0000 }, {  725, 0x0000 }, {  725, 0x0000 },
  /* 0x8e00 */
  {  725, 0x0000 }, {  725, 0x0040 }, {  726, 0x00c2 }, {  729, 0x0040 },
  {  730, 0x0020 }, {  731, 0x1009 }, {  734, 0x0004 }, {  735, 0x0000 },
  {  735, 0x0000 }, {  735, 0x0000 }, {  735, 0x2000 }, {  736, 0x0000 },
  {  736, 0x0000 }, {  736, 0x0000 }, {  736, 0x0000 }, {  736, 0x0000 },
  /* 0x8f00 */
  {  736, 0x0000 }, {  736, 0x0000 }, {  736, 0x0000 }, {  736, 0x0000 },
  {  736, 0x0000 }, {  736, 0x0000 }, {  736, 0x0000 }, {  736, 0x0000 },
  {  736, 0x0001 }, {  737, 0x0004 }, {  738, 0x0000 }, {  738, 0x0020 },
  {  739, 0x0000 }, {  739, 0x0000 }, {  739, 0x0000 }, {  739, 0x0400 },
  /* 0x9000 */
  {  740, 0x0000 }, {  740, 0x0000 }, {  740, 0x0000 }, {  740, 0x0000 },
  {  740, 0x0000 }, {  740, 0x0000 }, {  740, 0x0000 }, {  740, 0x0000 },
  {  740, 0x0000 }, {  740, 0x0100 }, {  741, 0x0101 }, {  743, 0x2000 },
  {  744, 0x0108 }, {  746, 0x0400 }, {  747, 0x0010 }, {  748, 0x8000 },
  /* 0x9100 */
  {  749, 0x1000 }, {  750, 0x1500 }, {  753, 0x0001 }, {  754, 0x0000 },
  {  754, 0x0004 }, {  755, 0x0000 }, {  755, 0x0000 }, {  755, 0x0000 },
  {  755, 0x0000 }, {  755, 0x0000 }, {  755, 0x0000 }, {  755, 0x0000 },
  {  755, 0x0040 }, {  756, 0x0000 }, {  756, 0x0000 }, {  756, 0x0000 },
  /* 0x9200 */
  {  756, 0x0000 }, {  756, 0x0000 }, {  756, 0x0000 }, {  756, 0x0000 },
  {  756, 0x0000 }, {  756, 0x0000 }, {  756, 0x0000 }, {  756, 0x0000 },
  {  756, 0x0000 }, {  756, 0x0000 }, {  756, 0x0000 }, {  756, 0x0000 },
  {  756, 0x0040 },
};
static const Summary16 isoir165ext_uni2indx_page94[143] = {
  /* 0x9400 */
  {  757, 0x0000 }, {  757, 0x0000 }, {  757, 0x0000 }, {  757, 0x0000 },
  {  757, 0x0000 }, {  757, 0x0000 }, {  757, 0x0000 }, {  757, 0x0000 },
  {  757, 0x0000 }, {  757, 0x0142 }, {  760, 0x0000 }, {  760, 0x0000 },
  {  760, 0x8080 }, {  762, 0x0418 }, {  765, 0x0040 }, {  766, 0x0800 },
  /* 0x9500 */
  {  767, 0x0000 }, {  767, 0x1000 }, {  768, 0x0081 }, {  770, 0x2008 },
  {  772, 0x0008 }, {  773, 0x0400 }, {  774, 0x4001 }, {  776, 0x0030 },
  {  778, 0x0000 }, {  778, 0x0000 }, {  778, 0x0000 }, {  778, 0x0000 },
  {  778, 0x0000 }, {  778, 0x0000 }, {  778, 0x1000 }, {  779, 0x8000 },
  /* 0x9600 */
  {  780, 0x0080 }, {  781, 0x0908 }, {  784, 0x0000 }, {  784, 0x0000 },
  {  784, 0x0000 }, {  784, 0x4000 }, {  785, 0x0000 }, {  785, 0x0000 },
  {  785, 0x0000 }, {  785, 0x0000 }, {  785, 0x0000 }, {  785, 0x0000 },
  {  785, 0x0000 }, {  785, 0x0100 }, {  786, 0x0000 }, {  786, 0x0000 },
  /* 0x9700 */
  {  786, 0x0004 }, {  787, 0x0000 }, {  787, 0x0000 }, {  787, 0x0000 },
  {  787, 0x0000 }, {  787, 0x0010 }, {  788, 0x0000 }, {  788, 0x0501 },
  {  791, 0x0000 }, {  791, 0x0000 }, {  791, 0x4102 }, {  794, 0x0000 },
  {  794, 0x0000 }, {  794, 0x0000 }, {  794, 0x0100 }, {  795, 0x0000 },
  /* 0x9800 */
  {  795, 0x0000 }, {  795, 0x0000 }, {  795, 0x0000 }, {  795, 0x0000 },
  {  795, 0x0000 }, {  795, 0x0000 }, {  795, 0x0000 }, {  795, 0x0000 },
  {  795, 0x4800 }, {  797, 0x0224 }, {  800, 0x0008 }, {  801, 0x0000 },
  {  801, 0x8000 }, {  802, 0x00d1 }, {  806, 0x0000 }, {  806, 0x0000 },
  /* 0x9900 */
  {  806, 0x0000 }, {  806, 0x0000 }, {  806, 0x0000 }, {  806, 0x0000 },
  {  806, 0x0000 }, {  806, 0x0000 }, {  806, 0x0050 }, {  808, 0x4b00 },
  {  812, 0x500c }, {  816, 0x0000 }, {  816, 0x0000 }, {  816, 0x0000 },
  {  816, 0x0000 }, {  816, 0x0000 }, {  816, 0x0000 }, {  816, 0x0000 },
  /* 0x9a00 */
  {  816, 0x0000 }, {  816, 0x0000 }, {  816, 0x0000 }, {  816, 0x0000 },
  {  816, 0x0000 }, {  816, 0x0000 }, {  816, 0x0000 }, {  816, 0x0004 },
  {  817, 0x6208 }, {  821, 0x0230 }, {  824, 0x0040 }, {  825, 0x0000 },
  {  825, 0x0000 }, {  825, 0x0000 }, {  825, 0x0000 }, {  825, 0x0000 },
  /* 0x9b00 */
  {  825, 0x0000 }, {  825, 0x0101 }, {  827, 0x0020 }, {  828, 0x0040 },
  {  829, 0x0040 }, {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 },
  {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 },
  {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 },
  /* 0x9c00 */
  {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 },
  {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 }, {  830, 0x0000 },
  {  830, 0x0411 }, {  833, 0x23c8 }, {  839, 0x0000 }, {  839, 0x8000 },
  {  840, 0x0003 }, {  842, 0x0804 }, {  844, 0x0009 },
};
static const Summary16 isoir165ext_uni2indx_page9e[25] = {
  /* 0x9e00 */
  {  846, 0x0000 }, {  846, 0x0000 }, {  846, 0x4090 }, {  849, 0x0011 },
  {  851, 0x2001 }, {  853, 0x225d }, {  860, 0x8027 }, {  865, 0x0010 },
  {  866, 0x0001 }, {  867, 0x0002 }, {  868, 0x0000 }, {  868, 0x0000 },
  {  868, 0x0000 }, {  868, 0x0000 }, {  868, 0x0002 }, {  869, 0x0000 },
  /* 0x9f00 */
  {  869, 0x1000 }, {  870, 0x0004 }, {  871, 0x0800 }, {  872, 0x0000 },
  {  872, 0x0002 }, {  873, 0x0000 }, {  873, 0x0000 }, {  873, 0x0000 },
  {  873, 0x0006 },
};
static const Summary16 isoir165ext_uni2indx_pageff[5] = {
  /* 0xff00 */
  {  875, 0x0000 }, {  875, 0x0000 }, {  875, 0x0000 }, {  875, 0x0000 },
  {  875, 0x0080 },
};

static int
isoir165ext_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
{
  if (n >= 2) {
    const Summary16 *summary = NULL;
    if (wc >= 0x0000 && wc < 0x0200)
      summary = &isoir165ext_uni2indx_page00[(wc>>4)];
    else if (wc >= 0x0300 && wc < 0x03c0)
      summary = &isoir165ext_uni2indx_page03[(wc>>4)-0x030];
    else if (wc >= 0x1e00 && wc < 0x1fc0)
      summary = &isoir165ext_uni2indx_page1e[(wc>>4)-0x1e0];
    else if (wc >= 0x3000 && wc < 0x3040)
      summary = &isoir165ext_uni2indx_page30[(wc>>4)-0x300];
    else if (wc >= 0x3200 && wc < 0x3400)
      summary = &isoir165ext_uni2indx_page32[(wc>>4)-0x320];
    else if (wc >= 0x4e00 && wc < 0x7d00)
      summary = &isoir165ext_uni2indx_page4e[(wc>>4)-0x4e0];
    else if (wc >= 0x7e00 && wc < 0x92d0)
      summary = &isoir165ext_uni2indx_page7e[(wc>>4)-0x7e0];
    else if (wc >= 0x9400 && wc < 0x9cf0)
      summary = &isoir165ext_uni2indx_page94[(wc>>4)-0x940];
    else if (wc >= 0x9e00 && wc < 0x9f90)
      summary = &isoir165ext_uni2indx_page9e[(wc>>4)-0x9e0];
    else if (wc >= 0xff00 && wc < 0xff50)
      summary = &isoir165ext_uni2indx_pageff[(wc>>4)-0xff0];
    if (summary) {
      unsigned short used = summary->used;
      unsigned int i = wc & 0x0f;
      if (used & ((unsigned short) 1 << i)) {
        unsigned short c;
        /* Keep in `used' only the bits 0..i-1. */
        used &= ((unsigned short) 1 << i) - 1;
        /* Add `summary->indx' and the number of bits set in `used'. */
        used = (used & 0x5555) + ((used & 0xaaaa) >> 1);
        used = (used & 0x3333) + ((used & 0xcccc) >> 2);
        used = (used & 0x0f0f) + ((used & 0xf0f0) >> 4);
        used = (used & 0x00ff) + (used >> 8);
        c = isoir165ext_2charset[summary->indx + used];
        r[0] = (c >> 8); r[1] = (c & 0xff);
        return 2;
      }
    }
    return RET_ILUNI;
  }
  return RET_TOOSMALL;
}