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ucs.c

#ifdef USE_UNICODE

#include <stdlib.h>
#include "wc.h"
#include "ucs.h"
#include "search.h"
#include "big5.h"
#include "hkscs.h"
#include "sjis.h"
#include "johab.h"
#include "gbk.h"
#include "gb18030.h"
#include "uhc.h"
#include "viet.h"
#include "wtf.h"

#include "ucs.map"

#include "map/ucs_wide.map"
#include "map/ucs_combining.map"
#include "map/ucs_precompose.map"
#include "map/ucs_hangul.map"
#include "map/ucs_fullwidth.map"

#define MAX_TAG_MAP 0x100
static int n_tag_map = 0;
static char *tag_map[ MAX_TAG_MAP ];

wc_table *
wc_get_ucs_table(wc_ccs ccs)
{
    int f = WC_CCS_INDEX(ccs);

    switch (WC_CCS_TYPE(ccs)) {
    case WC_CCS_A_CS94:
      if (f < WC_F_ISO_BASE || f > WC_F_CS94_END)
          return NULL;
      return &ucs_cs94_table[f - WC_F_ISO_BASE];
    case WC_CCS_A_CS94W:
      if (f < WC_F_ISO_BASE || f > WC_F_CS94W_END)
          return NULL;
      return &ucs_cs94w_table[f - WC_F_ISO_BASE];
    case WC_CCS_A_CS96:
      if (f < WC_F_ISO_BASE || f > WC_F_CS96_END)
          return NULL;
      return &ucs_cs96_table[f - WC_F_ISO_BASE];
    case WC_CCS_A_CS96W:
      if (f < WC_F_ISO_BASE || f > WC_F_CS96W_END)
          return NULL;
      return &ucs_cs96w_table[f - WC_F_ISO_BASE];
    case WC_CCS_A_CS942:
      if (f < WC_F_ISO_BASE || f > WC_F_CS942_END)
          return NULL;
      return &ucs_cs942_table[f - WC_F_ISO_BASE];
    case WC_CCS_A_PCS:
      if (f < WC_F_PCS_BASE || f > WC_F_PCS_END)
          return NULL;
      return &ucs_pcs_table[f - WC_F_PCS_BASE];
    case WC_CCS_A_PCSW:
      if (f < WC_F_PCS_BASE || f > WC_F_PCSW_END)
          return NULL;
      return &ucs_pcsw_table[f - WC_F_PCS_BASE];
    default:
      return NULL;
    }
}

wc_wchar_t
wc_ucs_to_any(wc_uint32 ucs, wc_table *t)
{
    wc_wchar_t cc;
    wc_map *map;

    if (t && t->map && ucs && ucs <= WC_C_UCS2_END) {
      map = wc_map_search((wc_uint16)ucs, t->map, t->n);
      if (map)
          return t->conv(t->ccs, map->code2);
    }
    if (t && (ucs & ~0xFFFF) == WC_C_UCS4_PLANE2) {
      if (t->ccs == WC_CCS_JIS_X_0213_1)
          map = wc_map_search((wc_uint16)(ucs & 0xffff),
            ucs_p2_jisx02131_map, N_ucs_p2_jisx02131_map);
      else if (t->ccs == WC_CCS_JIS_X_0213_2)
          map = wc_map_search((wc_uint16)(ucs & 0xffff),
            ucs_p2_jisx02132_map, N_ucs_p2_jisx02132_map);
      else if (t->ccs == WC_CCS_HKSCS ||
             t->ccs == WC_CCS_HKSCS_1 || t->ccs == WC_CCS_HKSCS_2)
          map = wc_map_search((wc_uint16)(ucs & 0xffff),
            ucs_p2_hkscs_map, N_ucs_p2_hkscs_map);
      else
          map = NULL;
      if (map)
          return t->conv(t->ccs, map->code2);
    }
    cc.ccs = WC_CCS_UNKNOWN;
    return cc;
}

wc_uint32
wc_any_to_ucs(wc_wchar_t cc)
{
    int f;
    wc_uint16 *map = NULL;
    wc_map *map2;

    f = WC_CCS_INDEX(cc.ccs);
    switch (WC_CCS_TYPE(cc.ccs)) {
    case WC_CCS_A_CS94:
      if (f < WC_F_ISO_BASE || f > WC_F_CS94_END)
          return WC_C_UCS4_ERROR;
      map = cs94_ucs_map[f - WC_F_ISO_BASE];
      cc.code &= 0x7f;
      break;
    case WC_CCS_A_CS94W:
      if (cc.ccs == WC_CCS_GB_2312 && WcOption.use_gb12345_map) {
          cc.ccs = WC_CCS_GB_12345;
          return wc_any_to_ucs(cc);
      } else if (cc.ccs == WC_CCS_JIS_X_0213_1) {
          map2 = wc_map_search((wc_uint16)(cc.code & 0x7f7f),
            jisx02131_ucs_p2_map, N_jisx02131_ucs_p2_map);
          if (map2)
            return map2->code2 | WC_C_UCS4_PLANE2;
      } else if (cc.ccs == WC_CCS_JIS_X_0213_2) {
          map2 = wc_map_search((wc_uint16)(cc.code & 0x7f7f),
            jisx02132_ucs_p2_map, N_jisx02132_ucs_p2_map);
          if (map2)
            return map2->code2 | WC_C_UCS4_PLANE2;
      }
      if (f < WC_F_ISO_BASE || f > WC_F_CS94W_END)
          return 0;
      map = cs94w_ucs_map[f - WC_F_ISO_BASE];
      cc.code = WC_CS94W_N(cc.code);
      break;
    case WC_CCS_A_CS96:
      if (f < WC_F_ISO_BASE || f > WC_F_CS96_END)
          return WC_C_UCS4_ERROR;
      map = cs96_ucs_map[f - WC_F_ISO_BASE];
      cc.code &= 0x7f;
      break;
    case WC_CCS_A_CS96W:
      if (f < WC_F_ISO_BASE || f > WC_F_CS96W_END)
          return WC_C_UCS4_ERROR;
      map = cs96w_ucs_map[f - WC_F_ISO_BASE];
      cc.code = WC_CS96W_N(cc.code);
      break;
    case WC_CCS_A_CS942:
      if (f < WC_F_ISO_BASE || f > WC_F_CS942_END)
          return WC_C_UCS4_ERROR;
      map = cs942_ucs_map[f - WC_F_ISO_BASE];
      cc.code &= 0x7f;
      break;
    case WC_CCS_A_PCS:
      if (f < WC_F_PCS_BASE || f > WC_F_PCS_END)
          return WC_C_UCS4_ERROR;
      switch (cc.ccs) {
      case WC_CCS_CP1258_2:
          map2 = wc_map_search((wc_uint16)cc.code,
            cp12582_ucs_map, N_cp12582_ucs_map);
          if (map2)
            return map2->code2;
          return WC_C_UCS4_ERROR;
      case WC_CCS_TCVN_5712_3:
          return wc_any_to_ucs(wc_tcvn57123_to_tcvn5712(cc));
      case WC_CCS_GBK_80:
          return WC_C_UCS2_EURO;
      }
      map = pcs_ucs_map[f - WC_F_PCS_BASE];
      cc.code &= 0x7f;
      break;
    case WC_CCS_A_PCSW:
      if (f < WC_F_PCS_BASE || f > WC_F_PCSW_END)
          return WC_C_UCS4_ERROR;
      map = pcsw_ucs_map[f - WC_F_PCS_BASE];
      switch (cc.ccs) {
      case WC_CCS_BIG5:
          cc.code = WC_BIG5_N(cc.code);
          break;
      case WC_CCS_BIG5_2:
          cc.code = WC_CS94W_N(cc.code) + WC_C_BIG5_2_BASE;
          break;
      case WC_CCS_HKSCS_1:
      case WC_CCS_HKSCS_2:
          cc = wc_cs128w_to_hkscs(cc);
      case WC_CCS_HKSCS:
          map2 = wc_map_search((wc_uint16)cc.code,
            hkscs_ucs_p2_map, N_hkscs_ucs_p2_map);
          if (map2)
            return map2->code2 | WC_C_UCS4_PLANE2;
          cc.code = wc_hkscs_to_N(cc.code);
          break;
      case WC_CCS_JOHAB:
          return wc_any_to_ucs(wc_johab_to_cs128w(cc));
      case WC_CCS_JOHAB_1:
          return WC_CS94x128_N(cc.code) + WC_C_UCS2_HANGUL;
      case WC_CCS_JOHAB_2:
          cc.code = WC_CS128W_N(cc.code);
          cc.code = WC_N_JOHAB2(cc.code);
          map2 = wc_map_search((wc_uint16)cc.code,
            johab2_ucs_map, N_johab2_ucs_map);
          if (map2)
            return map2->code2;
          return WC_C_UCS4_ERROR;
      case WC_CCS_JOHAB_3:
          if ((cc.code & 0x7f7f) < 0x2121)
            return WC_C_UCS4_ERROR;
      case WC_CCS_SJIS_EXT:
          return wc_any_to_ucs(wc_sjis_ext_to_cs94w(cc));
      case WC_CCS_SJIS_EXT_1:
          cc.code = wc_sjis_ext1_to_N(cc.code);
          if (cc.code == WC_C_SJIS_ERROR)
            return WC_C_UCS4_ERROR;
          break;
      case WC_CCS_SJIS_EXT_2:
          cc.code = wc_sjis_ext2_to_N(cc.code);
          if (cc.code == WC_C_SJIS_ERROR)
            return WC_C_UCS4_ERROR;
          break;
      case WC_CCS_GBK_1:
      case WC_CCS_GBK_2:
          cc = wc_cs128w_to_gbk(cc);
      case WC_CCS_GBK:
          cc.code = wc_gbk_to_N(cc.code);
          break;
      case WC_CCS_GBK_EXT:
      case WC_CCS_GBK_EXT_1:
      case WC_CCS_GBK_EXT_2:
          return wc_gb18030_to_ucs(cc);
      case WC_CCS_UHC_1:
      case WC_CCS_UHC_2:
          cc = wc_cs128w_to_uhc(cc);
      case WC_CCS_UHC:
          if (cc.code > WC_C_UHC_END)
            return WC_C_UCS4_ERROR;
          cc.code = wc_uhc_to_N(cc.code);
          break;
      default:
          cc.code = WC_CS94W_N(cc.code);
          break;
      }
      break;
    case WC_CCS_A_WCS16:
      switch (WC_CCS_SET(cc.ccs)) {
      case WC_CCS_UCS2:
          return cc.code;
      }
      return WC_C_UCS4_ERROR;
    case WC_CCS_A_WCS32:
      switch (WC_CCS_SET(cc.ccs)) {
      case WC_CCS_UCS4:
          return cc.code;
      case WC_CCS_UCS_TAG:
          return wc_ucs_tag_to_ucs(cc.code);
      case WC_CCS_GB18030:
          return wc_gb18030_to_ucs(cc);
      }
      return WC_C_UCS4_ERROR;
    case WC_CCS_A_UNKNOWN:
      if (cc.ccs == WC_CCS_C1)
          return (cc.code | 0x80);
    default:
      return WC_C_UCS4_ERROR;
    }
    if (map == NULL)
      return WC_C_UCS4_ERROR;
    cc.code = map[cc.code];
    return cc.code ? cc.code : WC_C_UCS4_ERROR;
}

wc_wchar_t
wc_any_to_any(wc_wchar_t cc, wc_table *t)
{
    wc_ccs is_wide = WC_CCS_IS_WIDE(cc.ccs);
    wc_uint32 ucs = wc_any_to_ucs(cc);

    if (ucs != WC_C_UCS4_ERROR) {
      cc = wc_ucs_to_any(ucs, t);
      if (!WC_CCS_IS_UNKNOWN(cc.ccs))
          return cc;

      ucs = wc_ucs_to_fullwidth(ucs);
      if (ucs != WC_C_UCS4_ERROR) {
          cc = wc_ucs_to_any(ucs, t);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
    }
    cc.ccs = is_wide ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
    return cc;
}

wc_wchar_t
wc_ucs_to_any_list(wc_uint32 ucs, wc_table **tlist)
{
    wc_wchar_t cc;
    wc_table **t;

    if (tlist != NULL) {
      for (t = tlist; *t != NULL; t++) {
          if ((*t)->map == NULL)
            continue;
          cc = wc_ucs_to_any(ucs, *t);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
    }
    cc.ccs = WC_CCS_UNKNOWN;
    return cc;
}

wc_wchar_t
wc_any_to_any_ces(wc_wchar_t cc, wc_status *st)
{
    wc_uint32 ucs = wc_any_to_ucs(cc);
    wc_ccs is_wide = WC_CCS_IS_WIDE(cc.ccs);

    if (ucs < 0x80) {
      cc.ccs = WC_CCS_US_ASCII;
      cc.code = ucs;
      return cc;
    }
    if (ucs != WC_C_UCS4_ERROR) {
      if (st->ces_info->id & WC_CES_T_UTF) {
          cc.ccs = wc_ucs_to_ccs(ucs);
          cc.code = ucs;
          return cc;
      } else if (st->ces_info->id == WC_CES_JOHAB) {
          cc = wc_ucs_to_johab(ucs);
          if (WC_CCS_IS_UNKNOWN(cc.ccs))
            cc.ccs = is_wide ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
          return cc;
      }
      cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlistw : st->tlist);
      if (!WC_CCS_IS_UNKNOWN(cc.ccs))
          return cc;
      if (! WcOption.fix_width_conv) {
          cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlist : st->tlistw);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
      if (st->ces_info->id == WC_CES_GB18030) {
          cc = wc_ucs_to_gb18030(ucs);
          if (WC_CCS_IS_UNKNOWN(cc.ccs))
            cc.ccs = is_wide ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
          return cc;
      }
      if (ucs == WC_C_UCS2_NBSP) {  /* NBSP -> SP */
          cc.ccs = WC_CCS_US_ASCII;
          cc.code = 0x20;
          return cc;
      }
      if (st->ces_info->id & (WC_CES_T_ISO_8859|WC_CES_T_EUC) &&
          0x80 <= ucs && ucs <= 0x9F) {
          cc.ccs = WC_CCS_C1;
          cc.code = ucs;
          return cc;
      }

      ucs = wc_ucs_to_fullwidth(ucs);
      if (ucs != WC_C_UCS4_ERROR) {
          cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlistw : st->tlist);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
          if (! WcOption.fix_width_conv) {
            cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlist : st->tlistw);
            if (!WC_CCS_IS_UNKNOWN(cc.ccs))
                return cc;
          }
      }
    }
    cc.ccs = is_wide ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
    return cc;
}

wc_wchar_t
wc_any_to_iso2022(wc_wchar_t cc, wc_status *st)
{
    wc_uint32 ucs = wc_any_to_ucs(cc);
    wc_ccs is_wide = WC_CCS_IS_WIDE(cc.ccs);

    if (ucs < 0x80) {
      cc.ccs = WC_CCS_US_ASCII;
      cc.code = ucs;
      return cc;
    }
    if (ucs != WC_C_UCS4_ERROR) {
      cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlistw : st->tlist);
      if (!WC_CCS_IS_UNKNOWN(cc.ccs))
          return cc;
      if (! WcOption.strict_iso2022) {
          cc = (is_wide) ? wc_ucs_to_iso2022w(ucs) : wc_ucs_to_iso2022(ucs);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
      if (! WcOption.fix_width_conv) {
          cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlist : st->tlistw);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
          if (! WcOption.strict_iso2022) {
            cc = (is_wide) ? wc_ucs_to_iso2022(ucs) : wc_ucs_to_iso2022w(ucs);
            if (!WC_CCS_IS_UNKNOWN(cc.ccs))
                return cc;
          }
      }
      if (ucs == WC_C_UCS2_NBSP) {  /* NBSP -> SP */
         cc.ccs = WC_CCS_US_ASCII;
         cc.code = 0x20;
         return cc;
      }

      ucs = wc_ucs_to_fullwidth(ucs);
      if (ucs != WC_C_UCS4_ERROR) {
          cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlistw : st->tlist);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
          if (! WcOption.strict_iso2022) {
            cc = (is_wide) ? wc_ucs_to_iso2022w(ucs) : wc_ucs_to_iso2022(ucs);
            if (!WC_CCS_IS_UNKNOWN(cc.ccs))
                return cc;
          }
          if (! WcOption.fix_width_conv) {
            cc = wc_ucs_to_any_list(ucs, is_wide ? st->tlist : st->tlistw);
            if (!WC_CCS_IS_UNKNOWN(cc.ccs))
                return cc;
            if (! WcOption.strict_iso2022) {
                cc = (is_wide) ? wc_ucs_to_iso2022(ucs) : wc_ucs_to_iso2022w(ucs);
                if (!WC_CCS_IS_UNKNOWN(cc.ccs))
                  return cc;
            }
          }
      }
      if (ucs == WC_C_UCS2_NBSP) {  /* NBSP -> SP */
         cc.ccs = WC_CCS_US_ASCII;
         cc.code = 0x20;
         return cc;
      }
    }
    cc.ccs = is_wide ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
    return cc;
}

wc_wchar_t
wc_ucs_to_iso2022(wc_uint32 ucs)
{
    wc_table *t;
    wc_wchar_t cc;
    int f;

    if (ucs <= WC_C_UCS2_END) {
      for (f = 0; f <= WC_F_CS96_END - WC_F_ISO_BASE; f++) {
          t = &ucs_cs96_table[f];
          if (t->map == NULL)
            continue;
          cc = wc_ucs_to_any((wc_uint16)ucs, t);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
      for (f = 0; f <= WC_F_CS94_END - WC_F_ISO_BASE; f++) {
          t = &ucs_cs94_table[f];
          if (t->map == NULL)
            continue;
          cc = wc_ucs_to_any((wc_uint16)ucs, t);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
      for (f = 0; f <= WC_F_CS942_END - WC_F_ISO_BASE; f++) {
          t = &ucs_cs942_table[f];
          if (t->map == NULL)
            continue;
          cc = wc_ucs_to_any((wc_uint16)ucs, t);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
    }
    cc.ccs = WC_CCS_UNKNOWN;
    return cc;
}

wc_wchar_t
wc_ucs_to_iso2022w(wc_uint32 ucs)
{
    wc_table *t;
    wc_wchar_t cc;
    int f;

    if (ucs <= WC_C_UCS2_END) {
      for (f = 0; f <= WC_F_CS94W_END - WC_F_ISO_BASE; f++) {
          t = &ucs_cs94w_table[f];
          if (t->map == NULL)
            continue;
          cc = wc_ucs_to_any((wc_uint16)ucs, t);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
      for (f = 0; f <= WC_F_CS96W_END - WC_F_ISO_BASE; f++) {
          t = &ucs_cs96w_table[f];
          if (t->map == NULL)
            continue;
          cc = wc_ucs_to_any((wc_uint16)ucs, t);
          if (!WC_CCS_IS_UNKNOWN(cc.ccs))
            return cc;
      }
    }
    cc.ccs = WC_CCS_UNKNOWN_W;
    return cc;
}

wc_ccs
wc_ucs_to_ccs(wc_uint32 ucs)
{
    if (0x80 <= ucs && ucs <= 0x9F)
      return WC_CCS_C1;
    return ((ucs <= WC_C_UCS2_END) ? WC_CCS_UCS2 : WC_CCS_UCS4)
      | (wc_is_ucs_wide(ucs) ? WC_CCS_A_WIDE : 0)
      | (wc_is_ucs_combining(ucs) ? WC_CCS_A_COMB : 0);
}

wc_bool
wc_is_ucs_wide(wc_uint32 ucs)
{
    if (ucs <= WC_C_UCS2_END)
      return (wc_map_range_search((wc_uint16)ucs,
            ucs_wide_map, N_ucs_wide_map) != NULL);
    else
      return ((ucs & ~0xFFFF) == WC_C_UCS4_PLANE2);
}

wc_bool
wc_is_ucs_combining(wc_uint32 ucs)
{
    return (WcOption.use_combining && ucs <= WC_C_UCS2_END &&
      wc_map_range_search((wc_uint16)ucs,
      ucs_combining_map, N_ucs_combining_map) != NULL);
}

wc_bool
wc_is_ucs_hangul(wc_uint32 ucs)
{
    return (ucs <= WC_C_UCS2_END &&
      wc_map_range_search((wc_uint16)ucs,
      ucs_hangul_map, N_ucs_hangul_map) != NULL);
}

wc_uint32
wc_ucs_precompose(wc_uint32 ucs1, wc_uint32 ucs2)
{
    wc_map3 *map;

    if (WcOption.use_combining &&
      ucs1 <= WC_C_UCS2_END && ucs2 <= WC_C_UCS2_END &&
      (map = wc_map3_search((wc_uint16)ucs1, (wc_uint16)ucs2,
      ucs_precompose_map, N_ucs_precompose_map)) != NULL)
      return map->code3;
    return WC_C_UCS4_ERROR;
}

wc_uint32
wc_ucs_to_fullwidth(wc_uint32 ucs)
{
    wc_map *map;

    if (ucs <= WC_C_UCS2_END &&
      (map = wc_map_search((wc_uint16)ucs,
      ucs_fullwidth_map, N_ucs_fullwidth_map)) != NULL)
      return map->code2;
    return WC_C_UCS4_ERROR;
}

int
wc_ucs_put_tag(char *p)
{
    int i;

    if (p == NULL || *p == '\0')
      return 0;
    for (i = 1; i <= n_tag_map; i++) {
      if (!strcasecmp(p, tag_map[i]))
          return i;
    }
    n_tag_map++;
    if (n_tag_map == MAX_TAG_MAP)
      return 0;
    tag_map[n_tag_map] = p;
    return n_tag_map;
}

char *
wc_ucs_get_tag(int ntag)
{
    if (ntag == 0 || ntag > n_tag_map)
      return NULL;
    return tag_map[ntag];
}

void
wtf_push_ucs(Str os, wc_uint32 ucs, wc_status *st)
{
    wc_ccs ccs;

    if (ucs >= WC_C_LANGUAGE_TAG0 && ucs <= WC_C_CANCEL_TAG) {
      if (! WcOption.use_language_tag)
          return;
      if (ucs == WC_C_LANGUAGE_TAG)
          st->tag = Strnew_size(4);
      else if (ucs == WC_C_CANCEL_TAG) {
          st->tag = NULL;
          st->ntag = 0;
      }  else if (st->tag && ucs >= WC_C_TAG_SPACE)
          Strcat_char(st->tag, (char)(ucs & 0x7f));
      return;
    }
    if (st->tag) {
      st->ntag = wc_ucs_put_tag(st->tag->ptr);
      st->tag = NULL;
    }
    if (ucs < 0x80) {
      if (st->ntag)
          wtf_push(os, WC_CCS_UCS_TAG,  wc_ucs_to_ucs_tag(ucs, st->ntag));
      else
          Strcat_char(os, (char)ucs);
    } else {
      ccs = wc_ucs_to_ccs(ucs);
      if (st->ntag && ucs <= WC_C_UNICODE_END) {
          ccs = wc_ccs_ucs_to_ccs_ucs_tag(ccs);
          ucs = wc_ucs_to_ucs_tag(ucs, st->ntag);
      }
      wtf_push(os, ccs, ucs);
    }
}

#endif

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