Logo Search packages:      
Sourcecode: glibc version File versions  Download package

cp1255.c

/* Conversion from and to CP1255.
   Copyright (C) 1998, 2001, 2002, 2004 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998,
   and Bruno Haible <haible@clisp.cons.org>, 2001.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <dlfcn.h>
#include <stdint.h>
#include <assert.h>

#define NELEMS(arr) (sizeof (arr) / sizeof (arr[0]))

/* Definitions used in the body of the `gconv' function.  */
#define CHARSET_NAME          "CP1255//"
#define FROM_LOOP       from_cp1255
#define TO_LOOP               to_cp1255
#define DEFINE_INIT           1
#define DEFINE_FINI           1
#define FROM_LOOP_MIN_NEEDED_FROM   1
#define FROM_LOOP_MAX_NEEDED_FROM   1
#define FROM_LOOP_MIN_NEEDED_TO           4
#define FROM_LOOP_MAX_NEEDED_TO           4
#define TO_LOOP_MIN_NEEDED_FROM           4
#define TO_LOOP_MAX_NEEDED_FROM           4
#define TO_LOOP_MIN_NEEDED_TO       1
#define TO_LOOP_MAX_NEEDED_TO       3
#define PREPARE_LOOP \
  int saved_state;                                                \
  int *statep = &data->__statep->__count;
#define EXTRA_LOOP_ARGS       , statep


/* Since we might have to reset input pointer we must be able to save
   and restore the state.  */
#define SAVE_RESET_STATE(Save) \
  if (Save)                                                 \
    saved_state = *statep;                                        \
  else                                                            \
    *statep = saved_state


/* During CP1255 to UCS4 conversion, the COUNT element of the state
   contains the last UCS4 character, shifted by 3 bits.  */


/* Since this is a stateful encoding we have to provide code which resets
   the output state to the initial state.  This has to be done during the
   flushing.  */
#define EMIT_SHIFT_TO_INIT \
  if (data->__statep->__count != 0)                               \
    {                                                       \
      if (FROM_DIRECTION)                                         \
      {                                                     \
        if (__builtin_expect (outbuf + 4 <= outend, 1))                 \
          {                                                 \
            /* Write out the last character.  */                        \
            *((uint32_t *) outbuf) = data->__statep->__count >> 3;            \
            outbuf += sizeof (uint32_t);                          \
            data->__statep->__count = 0;                          \
          }                                                 \
        else                                                      \
          /* We don't have enough room in the output buffer.  */        \
          status = __GCONV_FULL_OUTPUT;                           \
      }                                                     \
      else                                                  \
      /* We don't use shift states in the TO_DIRECTION.  */             \
      data->__statep->__count = 0;                                \
    }


/* First define the conversion function from CP1255 to UCS4.  */

static const uint16_t to_ucs4[128] = {
  /* 0x80 */
  0x20AC,      0, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
  0x02C6, 0x2030,      0, 0x2039,      0,      0,      0,      0,
  /* 0x90 */
       0, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
  0x02DC, 0x2122,      0, 0x203A,      0,      0,      0,      0,
  /* 0xA0 */
  0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x20AA, 0x00A5, 0x00A6, 0x00A7,
  0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
  /* 0xB0 */
  0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
  0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
  /* 0xC0 */
  0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
  0x05B8, 0x05B9,      0, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
  /* 0xD0 */
  0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
  0x05F4,      0,      0,      0,      0,      0,      0,      0,
  /* 0xE0 */
  0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
  0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
  /* 0xF0 */
  0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
  0x05E8, 0x05E9, 0x05EA,      0,      0, 0x200E, 0x200F,      0,
};

/* CP1255 contains eight combining characters:
   0x05b4, 0x05b7, 0x05b8, 0x05b9, 0x05bc, 0x05bf, 0x05c1, 0x05c2.  */

/* Composition tables for each of the relevant combining characters.  */
static const struct {
  uint16_t base;
  uint16_t composed;
} comp_table_data[] = {
#define COMP_TABLE_IDX_05B4 0
#define COMP_TABLE_LEN_05B4 1
  { 0x05D9, 0xFB1D },
#define COMP_TABLE_IDX_05B7 (COMP_TABLE_IDX_05B4 + COMP_TABLE_LEN_05B4)
#define COMP_TABLE_LEN_05B7 2
  { 0x05D0, 0xFB2E },
  { 0x05F2, 0xFB1F },
#define COMP_TABLE_IDX_05B8 (COMP_TABLE_IDX_05B7 + COMP_TABLE_LEN_05B7)
#define COMP_TABLE_LEN_05B8 1
  { 0x05D0, 0xFB2F },
#define COMP_TABLE_IDX_05B9 (COMP_TABLE_IDX_05B8 + COMP_TABLE_LEN_05B8)
#define COMP_TABLE_LEN_05B9 1
  { 0x05D5, 0xFB4B },
#define COMP_TABLE_IDX_05BC (COMP_TABLE_IDX_05B9 + COMP_TABLE_LEN_05B9)
#define COMP_TABLE_LEN_05BC 24
  { 0x05D0, 0xFB30 },
  { 0x05D1, 0xFB31 },
  { 0x05D2, 0xFB32 },
  { 0x05D3, 0xFB33 },
  { 0x05D4, 0xFB34 },
  { 0x05D5, 0xFB35 },
  { 0x05D6, 0xFB36 },
  { 0x05D8, 0xFB38 },
  { 0x05D9, 0xFB39 },
  { 0x05DA, 0xFB3A },
  { 0x05DB, 0xFB3B },
  { 0x05DC, 0xFB3C },
  { 0x05DE, 0xFB3E },
  { 0x05E0, 0xFB40 },
  { 0x05E1, 0xFB41 },
  { 0x05E3, 0xFB43 },
  { 0x05E4, 0xFB44 },
  { 0x05E6, 0xFB46 },
  { 0x05E7, 0xFB47 },
  { 0x05E8, 0xFB48 },
  { 0x05E9, 0xFB49 },
  { 0x05EA, 0xFB4A },
  { 0xFB2A, 0xFB2C },
  { 0xFB2B, 0xFB2D },
#define COMP_TABLE_IDX_05BF (COMP_TABLE_IDX_05BC + COMP_TABLE_LEN_05BC)
#define COMP_TABLE_LEN_05BF 3
  { 0x05D1, 0xFB4C },
  { 0x05DB, 0xFB4D },
  { 0x05E4, 0xFB4E },
#define COMP_TABLE_IDX_05C1 (COMP_TABLE_IDX_05BF + COMP_TABLE_LEN_05BF)
#define COMP_TABLE_LEN_05C1 2
  { 0x05E9, 0xFB2A },
  { 0xFB49, 0xFB2C },
#define COMP_TABLE_IDX_05C2 (COMP_TABLE_IDX_05C1 + COMP_TABLE_LEN_05C1)
#define COMP_TABLE_LEN_05C2 2
  { 0x05E9, 0xFB2B },
  { 0xFB49, 0xFB2D },
#define COMP_TABLE_IDX_END (COMP_TABLE_IDX_05C2 + COMP_TABLE_LEN_05C2)
};
/* Compile-time verification of table size.  */
typedef int verify1[(NELEMS (comp_table_data) == COMP_TABLE_IDX_END) - 1];

static const struct { unsigned int idx; unsigned int len; } comp_table[8] = {
  { COMP_TABLE_IDX_05B4, COMP_TABLE_LEN_05B4 },
  { COMP_TABLE_IDX_05B7, COMP_TABLE_LEN_05B7 },
  { COMP_TABLE_IDX_05B8, COMP_TABLE_LEN_05B8 },
  { COMP_TABLE_IDX_05B9, COMP_TABLE_LEN_05B9 },
  { COMP_TABLE_IDX_05BC, COMP_TABLE_LEN_05BC },
  { COMP_TABLE_IDX_05BF, COMP_TABLE_LEN_05BF },
  { COMP_TABLE_IDX_05C1, COMP_TABLE_LEN_05C1 },
  { COMP_TABLE_IDX_05C2, COMP_TABLE_LEN_05C2 },
};

#define MIN_NEEDED_INPUT      FROM_LOOP_MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT      FROM_LOOP_MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT     FROM_LOOP_MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT     FROM_LOOP_MAX_NEEDED_TO
#define LOOPFCT               FROM_LOOP
#define BODY \
  {                                                         \
    uint32_t ch = *inptr;                                         \
    uint32_t last_ch;                                             \
    int must_buffer_ch;                                           \
                                                            \
    if (ch >= 0x80)                                               \
      {                                                           \
      ch = to_ucs4[ch - 0x80];                                    \
      if (__builtin_expect (ch == L'\0', 0))                            \
        {                                                   \
          /* This is an illegal character.  */                    \
          STANDARD_FROM_LOOP_ERR_HANDLER (1);                           \
        }                                                   \
      }                                                           \
                                                            \
    /* Determine whether there is a buffered character pending.  */           \
    last_ch = *statep >> 3;                                       \
                                                            \
    /* We have to buffer ch if it is a possible match in comp_table_data.  */ \
    must_buffer_ch = (ch >= 0x05d0 && ch <= 0x05f2);                    \
                                                            \
    if (last_ch)                                            \
      {                                                           \
      if (ch >= 0x05b0 && ch < 0x05c5)                            \
        {                                                   \
          /* See whether last_ch and ch can be combined.  */                  \
          unsigned int i, i1, i2;                                 \
                                                            \
          switch (ch)                                             \
            {                                                     \
            case 0x05b4:                                          \
            i = 0;                                                \
            break;                                                \
            case 0x05b7:                                          \
            i = 1;                                                \
            break;                                                \
            case 0x05b8:                                          \
            i = 2;                                                \
            break;                                                \
            case 0x05b9:                                          \
            i = 3;                                                \
            break;                                                \
            case 0x05bc:                                          \
            i = 4;                                                \
            break;                                                \
            case 0x05bf:                                          \
            i = 5;                                                \
            break;                                                \
            case 0x05c1:                                          \
            i = 6;                                                \
            break;                                                \
            case 0x05c2:                                          \
            i = 7;                                                \
            break;                                                \
            default:                                              \
            goto not_combining;                                   \
            }                                                     \
                                                            \
          i1 = comp_table[i].idx;                                 \
          i2 = i1 + comp_table[i].len - 1;                              \
                                                            \
          if (last_ch >= comp_table_data[i1].base                       \
            && last_ch <= comp_table_data[i2].base)                     \
            {                                                     \
            for (;;)                                        \
              {                                             \
                i = (i1 + i2) >> 1;                               \
                if (last_ch == comp_table_data[i].base)                 \
                  break;                                          \
                if (last_ch < comp_table_data[i].base)                  \
                  {                                               \
                  if (i1 == i)                                    \
                    goto not_combining;                           \
                  i2 = i;                                         \
                  }                                               \
                else                                        \
                  {                                               \
                  if (i1 != i)                                    \
                    i1 = i;                                 \
                  else                                      \
                    {                                       \
                      i = i2;                               \
                      if (last_ch == comp_table_data[i].base)           \
                        break;                                    \
                      goto not_combining;                         \
                    }                                       \
                  }                                               \
              }                                             \
            last_ch = comp_table_data[i].composed;                      \
            if (last_ch == 0xfb2a || last_ch == 0xfb2b                  \
                || last_ch == 0xfb49)                             \
              /* Buffer the combined character.  */                     \
              *statep = last_ch << 3;                             \
            else                                            \
              {                                             \
                /* Output the combined character.  */             \
                put32 (outptr, last_ch);                          \
                outptr += 4;                                \
                *statep = 0;                                \
              }                                             \
            ++inptr;                                        \
            continue;                                       \
            }                                                     \
        }                                                   \
                                                            \
      not_combining:                                              \
      /* Output the buffered character.  */                             \
      put32 (outptr, last_ch);                                    \
      outptr += 4;                                                \
      *statep = 0;                                                \
                                                            \
      /* If we don't have enough room to output ch as well, then deal         \
         with it in another round.  */                            \
      if (!must_buffer_ch && __builtin_expect (outptr + 4 > outend, 0))     \
        continue;                                           \
      }                                                           \
                                                            \
    if (must_buffer_ch)                                           \
      *statep = ch << 3;                                          \
    else                                                    \
      {                                                           \
      put32 (outptr, ch);                                         \
      outptr += 4;                                                \
      }                                                           \
    ++inptr;                                                      \
  }
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS      , int *statep
#define ONEBYTE_BODY \
  {                                                         \
    if (c < 0x80)                                           \
      return c;                                                   \
    uint32_t ch = to_ucs4[c - 0x80];                                    \
    if (ch == L'\0' || (ch >= 0x05d0 && ch <= 0x05f2))                        \
      return WEOF;                                                \
    return ch;                                                    \
  }
#include <iconv/loop.c>


/* Next, define the conversion function from UCS4 to CP1255.  */

static const unsigned char from_ucs4[] = {
#define FROM_IDX_00 0
  0xa0, 0xa1, 0xa2, 0xa3, 0x00, 0xa5, 0xa6, 0xa7, /* 0x00a0-0x00a7 */
  0xa8, 0xa9, 0x00, 0xab, 0xac, 0xad, 0xae, 0xaf, /* 0x00a8-0x00af */
  0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0x00b0-0x00b7 */
  0xb8, 0xb9, 0x00, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, /* 0x00b8-0x00bf */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c0-0x00c7 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00c8-0x00cf */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, /* 0x00d0-0x00d7 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00d8-0x00df */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e0-0x00e7 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x00e8-0x00ef */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, /* 0x00f0-0x00f7 */
#define FROM_IDX_02 (FROM_IDX_00 + 88)
                                      0x88, 0x00, /* 0x02c6-0x02c7 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02c8-0x02cf */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x02d0-0x02d7 */
  0x00, 0x00, 0x00, 0x00, 0x98,                   /* 0x02d8-0x02dc */
#define FROM_IDX_05 (FROM_IDX_02 + 23)
  0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0x05b0-0x05b7 */
  0xc8, 0xc9, 0x00, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, /* 0x05b8-0x05bf */
  0xd0, 0xd1, 0xd2, 0xd3, 0x00, 0x00, 0x00, 0x00, /* 0x05c0-0x05c7 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05c8-0x05cf */
  0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0x05d0-0x05d7 */
  0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, /* 0x05d8-0x05df */
  0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0x05e0-0x05e7 */
  0xf8, 0xf9, 0xfa, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x05e8-0x05ef */
  0xd4, 0xd5, 0xd6, 0xd7, 0xd8,                   /* 0x05f0-0x05f4 */
#define FROM_IDX_20 (FROM_IDX_05 + 69)
                                      0xfd, 0xfe, /* 0x200e-0x200f */
  0x00, 0x00, 0x00, 0x96, 0x97, 0x00, 0x00, 0x00, /* 0x2010-0x2017 */
  0x91, 0x92, 0x82, 0x00, 0x93, 0x94, 0x84, 0x00, /* 0x2018-0x201f */
  0x86, 0x87, 0x95, 0x00, 0x00, 0x00, 0x85, 0x00, /* 0x2020-0x2027 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2028-0x202f */
  0x89, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x2030-0x2037 */
  0x00, 0x8b, 0x9b,                               /* 0x2038-0x203a */
#define FROM_IDX_FF (FROM_IDX_20 + 45)
};
/* Compile-time verification of table size.  */
typedef int verify2[(NELEMS (from_ucs4) == FROM_IDX_FF) - 1];

static const unsigned char comb_table[8] = {
  0xc4, 0xc7, 0xc8, 0xc9, 0xcc, 0xcf, 0xd1, 0xd2,
};

/* Decomposition table for the relevant Unicode characters. */
static const struct {
  uint16_t composed;
  uint16_t base;
  uint32_t comb1 : 8;
  int32_t comb2 : 8;
} decomp_table[] = {
  { 0xFB1D, 0x05D9, 0, -1 },
  { 0xFB1F, 0x05F2, 1, -1 },
  { 0xFB2A, 0x05E9, 6, -1 },
  { 0xFB2B, 0x05E9, 7, -1 },
  { 0xFB2C, 0x05E9, 4, 6 },
  { 0xFB2D, 0x05E9, 4, 7 },
  { 0xFB2E, 0x05D0, 1, -1 },
  { 0xFB2F, 0x05D0, 2, -1 },
  { 0xFB30, 0x05D0, 4, -1 },
  { 0xFB31, 0x05D1, 4, -1 },
  { 0xFB32, 0x05D2, 4, -1 },
  { 0xFB33, 0x05D3, 4, -1 },
  { 0xFB34, 0x05D4, 4, -1 },
  { 0xFB35, 0x05D5, 4, -1 },
  { 0xFB36, 0x05D6, 4, -1 },
  { 0xFB38, 0x05D8, 4, -1 },
  { 0xFB39, 0x05D9, 4, -1 },
  { 0xFB3A, 0x05DA, 4, -1 },
  { 0xFB3B, 0x05DB, 4, -1 },
  { 0xFB3C, 0x05DC, 4, -1 },
  { 0xFB3E, 0x05DE, 4, -1 },
  { 0xFB40, 0x05E0, 4, -1 },
  { 0xFB41, 0x05E1, 4, -1 },
  { 0xFB43, 0x05E3, 4, -1 },
  { 0xFB44, 0x05E4, 4, -1 },
  { 0xFB46, 0x05E6, 4, -1 },
  { 0xFB47, 0x05E7, 4, -1 },
  { 0xFB48, 0x05E8, 4, -1 },
  { 0xFB49, 0x05E9, 4, -1 },
  { 0xFB4A, 0x05EA, 4, -1 },
  { 0xFB4B, 0x05D5, 3, -1 },
  { 0xFB4C, 0x05D1, 5, -1 },
  { 0xFB4D, 0x05DB, 5, -1 },
  { 0xFB4E, 0x05E4, 5, -1 },
};

#define MIN_NEEDED_INPUT      TO_LOOP_MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT      TO_LOOP_MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT     TO_LOOP_MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT     TO_LOOP_MAX_NEEDED_TO
#define LOOPFCT               TO_LOOP
#define BODY \
  {                                                         \
    uint32_t ch = get32 (inptr);                                  \
                                                            \
    if (ch < 0x0080)                                              \
      {                                                           \
      *outptr++ = ch;                                             \
      inptr += 4;                                           \
      }                                                           \
    else                                                    \
      {                                                           \
      unsigned char res;                                          \
                                                            \
      if (ch >= 0x00a0 && ch < 0x00f8)                            \
        res = from_ucs4[ch - 0x00a0 + FROM_IDX_00];                     \
      else if (ch == 0x0192)                                      \
        res = 0x83;                                               \
      else if (ch >= 0x02c6 && ch < 0x02dd)                             \
        res = from_ucs4[ch - 0x02c6 + FROM_IDX_02];                     \
      else if (ch >= 0x05b0 && ch < 0x05f5)                             \
        res = from_ucs4[ch - 0x05b0 + FROM_IDX_05];                     \
      else if (ch >= 0x200e && ch < 0x203b)                             \
        res = from_ucs4[ch - 0x200e + FROM_IDX_20];                     \
      else if (ch == 0x20aa)                                      \
        res = 0xa4;                                               \
      else if (ch == 0x20ac)                                      \
        res = 0x80;                                               \
      else if (ch == 0x2122)                                      \
        res = 0x99;                                               \
      else                                                  \
        {                                                   \
          UNICODE_TAG_HANDLER (ch, 4);                            \
          res = 0;                                                \
        }                                                   \
                                                            \
      if (__builtin_expect (res != 0, 1))                         \
        {                                                   \
          *outptr++ = res;                                        \
          inptr += 4;                                             \
        }                                                   \
      else                                                  \
        {                                                   \
          /* Try canonical decomposition.  */                           \
          unsigned int i1, i2;                                    \
                                                            \
          i1 = 0;                                           \
          i2 = sizeof (decomp_table) / sizeof (decomp_table[0]) - 1;          \
          if (ch >= decomp_table[i1].composed                           \
            && ch <= decomp_table[i2].composed)                   \
            {                                                     \
            unsigned int i;                                       \
                                                            \
            for (;;)                                        \
              {                                             \
                i = (i1 + i2) >> 1;                               \
                if (ch == decomp_table[i].composed)                     \
                  break;                                          \
                if (ch < decomp_table[i].composed)                      \
                  {                                               \
                  if (i1 == i)                                    \
                    goto failed;                                  \
                  i2 = i;                                         \
                  }                                               \
                else                                        \
                  {                                               \
                  if (i1 != i)                                    \
                    i1 = i;                                 \
                  else                                      \
                    {                                       \
                      i = i2;                               \
                      if (ch == decomp_table[i].composed)               \
                        break;                                    \
                      goto failed;                          \
                    }                                       \
                  }                                               \
              }                                             \
                                                            \
            /* Found a canonical decomposition.  */                     \
            ch = decomp_table[i].base;                            \
            /* ch is one of 0x05d0..0x05d6, 0x05d8..0x05dc, 0x05de,           \
               0x05e0..0x05e1, 0x05e3..0x05e4, 0x05e6..0x05ea, 0x05f2. */ \
            ch = from_ucs4[ch - 0x05b0 + FROM_IDX_05];                  \
            assert (ch != 0);                               \
                                                            \
            if (decomp_table[i].comb2 < 0)                              \
              {                                             \
                /* See whether we have room for two bytes.  */          \
                if (__builtin_expect (outptr + 1 >= outend, 0))         \
                  {                                               \
                  result = __GCONV_FULL_OUTPUT;                   \
                  break;                                          \
                  }                                               \
                                                            \
                *outptr++ = (unsigned char) ch;                   \
                *outptr++ = comb_table[decomp_table[i].comb1];          \
              }                                             \
            else                                            \
              {                                             \
                /* See whether we have room for three bytes.  */        \
                if (__builtin_expect (outptr + 2 >= outend, 0))         \
                  {                                               \
                  result = __GCONV_FULL_OUTPUT;                   \
                  break;                                          \
                  }                                               \
                                                            \
                *outptr++ = (unsigned char) ch;                   \
                *outptr++ = comb_table[decomp_table[i].comb1];          \
                *outptr++ = comb_table[decomp_table[i].comb2];          \
              }                                             \
                                                            \
            inptr += 4;                                     \
            continue;                                       \
            }                                                     \
                                                            \
        failed:                                             \
          /* This is an illegal character.  */                    \
          STANDARD_TO_LOOP_ERR_HANDLER (4);                             \
        }                                                   \
      }                                                           \
  }
#define LOOP_NEED_FLAGS
#define EXTRA_LOOP_DECLS      , int *statep
#include <iconv/loop.c>


/* Now define the toplevel functions.  */
#include <iconv/skeleton.c>

Generated by  Doxygen 1.6.0   Back to index