/src/w3m/libwc/gb18030.c

Source

#include "wc.h"
#include "gb18030.h"
#include "search.h"
#include "wtf.h"
#ifdef USE_UNICODE
#include "ucs.h"
#endif
#include "map/gb18030_ucs.map"

#define C0 WC_GB18030_MAP_C0
#define GL WC_GB18030_MAP_GL
#define C1 WC_GB18030_MAP_C1
#define LB WC_GB18030_MAP_LB
#define UB WC_GB18030_MAP_UB
#define L4 WC_GB18030_MAP_L4

wc_uint8 WC_GB18030_MAP[ 0x100 ] = {
    C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0,
    C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0,
    GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
    L4, L4, L4, L4, L4, L4, L4, L4, L4, L4, GL, GL, GL, GL, GL, GL,
    LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
    LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
    LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
    LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, C0,

    LB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
    UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
    UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
    UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
    UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
    UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
    UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
    UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, C1,
};

wc_wchar_t
wc_gbk_ext_to_cs128w(wc_wchar_t cc)
{
    cc.code = WC_GBK_N(cc.code);
    if (cc.code < 0x4000)
  cc.ccs = WC_CCS_GBK_EXT_1;
    else {
  cc.ccs = WC_CCS_GBK_EXT_2;
  cc.code -= 0x4000;
    }
    cc.code = WC_N_CS128W(cc.code);
    return cc;
}

wc_wchar_t
wc_cs128w_to_gbk_ext(wc_wchar_t cc)
{
    cc.code = WC_CS128W_N(cc.code);
    if (cc.ccs == WC_CCS_GBK_EXT_2)
  cc.code += 0x4000;
    cc.ccs = WC_CCS_GBK_EXT;
    cc.code = WC_N_GBK(cc.code);
    return cc;
}

static wc_ccs
wc_gbk_or_gbk_ext(wc_uint16 code) {
    return wc_map3_range_search(code,
        gbk_ext_ucs_map, N_gbk_ext_ucs_map)
        ? WC_CCS_GBK_EXT : WC_CCS_GBK;
}

#ifdef USE_UNICODE
wc_uint32
wc_gb18030_to_ucs(wc_wchar_t cc)
{
    wc_map3 *map;

    switch (WC_CCS_SET(cc.ccs)) {
    case WC_CCS_GBK_EXT_1:
    case WC_CCS_GBK_EXT_2:
  cc = wc_cs128w_to_gbk_ext(cc);
    case WC_CCS_GBK_EXT:
  map = wc_map3_range_search((wc_uint16)cc.code,
    gbk_ext_ucs_map, N_gbk_ext_ucs_map);
  if (map)
      return map->code3 + WC_GBK_N(cc.code) - WC_GBK_N(map->code2);
  return WC_C_UCS4_ERROR;
    case WC_CCS_GB18030:
  break;
    default:
  return wc_any_to_ucs(cc);
    }
    if (cc.code >= WC_C_GB18030_UCS2 && cc.code <= WC_C_GB18030_UCS2_END) {
  int i, min = 0, max = N_ucs_gb18030_map - 1;

  cc.code = WC_GB18030_N(cc.code) - WC_GB18030_N(WC_C_GB18030_UCS2);
  if (cc.code >= ucs_gb18030_map[max].code3)
      i = max;
  else {
      while(1) {
    i = (min + max) / 2;
    if (min == max)
        break;
    if (cc.code < ucs_gb18030_map[i].code3)
        max = i - 1;
    else if (cc.code >= ucs_gb18030_map[i+1].code3)
        min = i + 1;
    else
        break;
      }
  }
  return ucs_gb18030_map[i].code + cc.code - ucs_gb18030_map[i].code3;
    }
    if (cc.code >= WC_C_GB18030_UCS4 && cc.code <= WC_C_GB18030_UCS4_END)
  return WC_GB18030_N(cc.code) - WC_GB18030_N(WC_C_GB18030_UCS4)
    + 0x10000;
    return WC_C_UCS4_ERROR;
}

wc_wchar_t
wc_ucs_to_gb18030(wc_uint32 ucs)
{
    wc_wchar_t cc;
    wc_map3 *map;

    if (ucs <= WC_C_UCS2_END) {
  map = wc_map3_range_search((wc_uint16)ucs,
    ucs_gbk_ext_map, N_ucs_gbk_ext_map);
  if (map) {
      cc.code = WC_GBK_N(map->code3) + ucs - map->code;
      cc.code = WC_N_GBK(cc.code);
      cc.ccs = WC_CCS_GBK_EXT;
      return cc;
  }
  map = wc_map3_range_search((wc_uint16)ucs,
    ucs_gb18030_map, N_ucs_gb18030_map);
  if (map) {
      cc.code = map->code3 + ucs - map->code + WC_GB18030_N(WC_C_GB18030_UCS2);
      cc.code = WC_N_GB18030(cc.code);
      if (WcOption.gb18030_as_ucs)
    cc.ccs = WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET);
      else
    cc.ccs = WC_CCS_GB18030_W;
      return cc;
  }
    } else if (ucs <= WC_C_UNICODE_END) {
  cc.code = ucs - 0x10000 + WC_GB18030_N(WC_C_GB18030_UCS4);
  cc.code = WC_N_GB18030(cc.code);
  if (WcOption.gb18030_as_ucs)
      cc.ccs = WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET);
  else
      cc.ccs = WC_CCS_GB18030_W;
  return cc;
    }
    cc.ccs = WC_CCS_UNKNOWN;
    cc.code = 0;
    return cc;
}
#endif

Str
wc_conv_from_gb18030(Str is, wc_ces ces)
{
    Str os;
    wc_uchar *sp = (wc_uchar *)is->ptr;
    wc_uchar *ep = sp + is->length;
    wc_uchar *p;
    int state = WC_GB18030_NOSTATE;
    wc_uint32 gbk;
    wc_wchar_t cc;
#ifdef USE_UNICODE
    wc_uint32 ucs;
#endif

    for (p = sp; p < ep && *p < 0x80; p++) 
  ;
    if (p == ep)
  return is;
    os = Strnew_size(is->length);
    if (p > sp)
  Strcat_charp_n(os, (char *)is->ptr, (int)(p - sp));

    for (; p < ep; p++) {
  switch (state) {
  case WC_GB18030_NOSTATE:
      switch (WC_GB18030_MAP[*p]) {
      case UB:
    state = WC_GB18030_MBYTE1;
    break;
      case C1:
    wtf_push_unknown(os, p, 1);
    break;
      default:
    Strcat_char(os, (char)*p);
    break;
      }
      break;
  case WC_GB18030_MBYTE1:
      if (WC_GB18030_MAP[*p] & LB) {
    gbk = ((wc_uint32)*(p-1) << 8) | *p;
    if (wc_gbk_or_gbk_ext(gbk) == WC_CCS_GBK_EXT)
        wtf_push(os, WC_CCS_GBK_EXT, gbk);
    else if (*(p-1) >= 0xA1 && *p >= 0xA1)
        wtf_push(os, wc_gb2312_or_gbk(gbk), gbk);
    else
        wtf_push(os, WC_CCS_GBK, gbk);
      } else if (WC_GB18030_MAP[*p] == L4) {
    state = WC_GB18030_MBYTE2;
    break;
      } else
    wtf_push_unknown(os, p-1, 2);
      state = WC_GB18030_NOSTATE;
      break;
  case WC_GB18030_MBYTE2:
      if (WC_GB18030_MAP[*p] == UB) {
    state = WC_GB18030_MBYTE3;
    break;
      } else
    wtf_push_unknown(os, p-2, 3);
      state = WC_GB18030_NOSTATE;
      break;
  case WC_GB18030_MBYTE3:
      if (WC_GB18030_MAP[*p] == L4) {
    cc.ccs = WC_CCS_GB18030_W;
    cc.code = ((wc_uint32)*(p-3) << 24)
            | ((wc_uint32)*(p-2) << 16)
            | ((wc_uint32)*(p-1) << 8)
            | *p;
#ifdef USE_UNICODE
    if (WcOption.gb18030_as_ucs &&
        (ucs = wc_gb18030_to_ucs(cc)) != WC_C_UCS4_ERROR)
        wtf_push(os, WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET), cc.code);
    else
#endif
        wtf_push(os, cc.ccs, cc.code);
      } else
    wtf_push_unknown(os, p-3, 4);
      state = WC_GB18030_NOSTATE;
      break;
  }
    }
    switch (state) {
    case WC_GB18030_MBYTE1:
  wtf_push_unknown(os, p-1, 1);
  break;
    case WC_GB18030_MBYTE2:
  wtf_push_unknown(os, p-2, 2);
  break;
    case WC_GB18030_MBYTE3:
  wtf_push_unknown(os, p-3, 3);
  break;
    }
    return os;
}

void
wc_push_to_gb18030(Str os, wc_wchar_t cc, wc_status *st)
{
  while (1) {
    switch (WC_CCS_SET(cc.ccs)) {
    case WC_CCS_US_ASCII:
  Strcat_char(os, (char)cc.code);
  return;
    case WC_CCS_GB_2312:
  Strcat_char(os, (char)((cc.code >> 8) | 0x80));
  Strcat_char(os, (char)((cc.code & 0xff) | 0x80));
  return;
    case WC_CCS_GBK_1:
    case WC_CCS_GBK_2:
  cc = wc_cs128w_to_gbk(cc);
    case WC_CCS_GBK:
  Strcat_char(os, (char)(cc.code >> 8));
  Strcat_char(os, (char)(cc.code & 0xff));
  return;
    case WC_CCS_GBK_EXT_1:
    case WC_CCS_GBK_EXT_2:
  cc = wc_cs128w_to_gbk(cc);
    case WC_CCS_GBK_EXT:
  Strcat_char(os, (char)(cc.code >> 8));
  Strcat_char(os, (char)(cc.code & 0xff));
  return;
    case WC_CCS_GB18030:
  Strcat_char(os, (char)((cc.code >> 24) & 0xff));
  Strcat_char(os, (char)((cc.code >> 16) & 0xff));
  Strcat_char(os, (char)((cc.code >> 8)  & 0xff));
  Strcat_char(os, (char)(cc.code & 0xff));
  return;
    case WC_CCS_UNKNOWN_W:
  if (!WcOption.no_replace)
      Strcat_charp(os, WC_REPLACE_W);
  return;
    case WC_CCS_UNKNOWN:
  if (!WcOption.no_replace)
      Strcat_charp(os, WC_REPLACE);
  return;
    default:
#ifdef USE_UNICODE
  if (WcOption.ucs_conv)
      cc = wc_any_to_any_ces(cc, st);
  else
#endif
      cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
  continue;
    }
  }
}

Str
wc_char_conv_from_gb18030(wc_uchar c, wc_status *st)
{
    static Str os;
    static wc_uchar gb[4];
    wc_uint32 gbk;
    wc_wchar_t cc;
#ifdef USE_UNICODE
    wc_uint32 ucs;
#endif

    if (st->state == -1) {
  st->state = WC_GB18030_NOSTATE;
  os = Strnew_size(8);
    }

    switch (st->state) {
    case WC_GB18030_NOSTATE:
  switch (WC_GB18030_MAP[c]) {
  case UB:
      gb[0] = c;
      st->state = WC_GB18030_MBYTE1;
      return NULL;
  case C1:
      break;
  default:
      Strcat_char(os, (char)c);
      break;
  }
  break;
    case WC_GB18030_MBYTE1:
  if (WC_GB18030_MAP[c] & LB) {
      gbk = ((wc_uint32)gb[0] << 8) | c;
      if (wc_gbk_or_gbk_ext(gbk) == WC_CCS_GBK_EXT)
    wtf_push(os, WC_CCS_GBK_EXT, gbk);
      else if (gb[0] >= 0xA1 && c >= 0xA1)
    wtf_push(os, wc_gb2312_or_gbk(gbk), gbk);
      else
    wtf_push(os, WC_CCS_GBK, gbk);
  } else if (WC_GB18030_MAP[c] == L4) {
      gb[1] = c;
      st->state = WC_GB18030_MBYTE2;
      return NULL;
  }
  break;
    case WC_GB18030_MBYTE2:
  if (WC_GB18030_MAP[c] == UB) {
      gb[2] = c;
      st->state = WC_GB18030_MBYTE3;
      return NULL;
  }
  break;
    case WC_GB18030_MBYTE3:
  if (WC_GB18030_MAP[c] == L4) {
      cc.ccs = WC_CCS_GB18030_W;
      cc.code = ((wc_uint32)gb[0] << 24)
        | ((wc_uint32)gb[1] << 16)
        | ((wc_uint32)gb[2] << 8)
        | c;
#ifdef USE_UNICODE
      if (WcOption.gb18030_as_ucs &&
    (ucs = wc_gb18030_to_ucs(cc)) != WC_C_UCS4_ERROR)
    wtf_push(os, WC_CCS_GB18030 | (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET), cc.code);
      else
#endif
          wtf_push(os, cc.ccs, cc.code);
  }
  break;
    }
    st->state = -1;
    return os;
}

Coverage Report

Created: 2025-11-18 06:35

Line	Count	Source
1
2		#include "wc.h"
3		#include "gb18030.h"
4		#include "search.h"
5		#include "wtf.h"
6		#ifdef USE_UNICODE
7		#include "ucs.h"
8		#endif
9		#include "map/gb18030_ucs.map"
10
11		#define C0 WC_GB18030_MAP_C0
12		#define GL WC_GB18030_MAP_GL
13	546k	#define C1 WC_GB18030_MAP_C1
14	1.80M	#define LB WC_GB18030_MAP_LB
15	1.88M	#define UB WC_GB18030_MAP_UB
16	277k	#define L4 WC_GB18030_MAP_L4
17
18		wc_uint8 WC_GB18030_MAP[ 0x100 ] = {
19		C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0,
20		C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0, C0,
21		GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
22		L4, L4, L4, L4, L4, L4, L4, L4, L4, L4, GL, GL, GL, GL, GL, GL,
23		LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
24		LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
25		LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB,
26		LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, LB, C0,
27
28		LB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
29		UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
30		UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
31		UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
32		UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
33		UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
34		UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB,
35		UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, UB, C1,
36		};
37
38		wc_wchar_t
39		wc_gbk_ext_to_cs128w(wc_wchar_t cc)
40	312k	{
41	312k	cc.code = WC_GBK_N(cc.code);
42	312k	if (cc.code < 0x4000)
43	235k	cc.ccs = WC_CCS_GBK_EXT_1;
44	77.4k	else {
45	77.4k	cc.ccs = WC_CCS_GBK_EXT_2;
46	77.4k	cc.code -= 0x4000;
47	77.4k	}
48	312k	cc.code = WC_N_CS128W(cc.code);
49	312k	return cc;
50	312k	}
51
52		wc_wchar_t
53		wc_cs128w_to_gbk_ext(wc_wchar_t cc)
54	297k	{
55	297k	cc.code = WC_CS128W_N(cc.code);
56	297k	if (cc.ccs == WC_CCS_GBK_EXT_2)
57	68.8k	cc.code += 0x4000;
58	297k	cc.ccs = WC_CCS_GBK_EXT;
59	297k	cc.code = WC_N_GBK(cc.code);
60	297k	return cc;
61	297k	}
62
63		static wc_ccs
64	1.59M	wc_gbk_or_gbk_ext(wc_uint16 code) {
65	1.59M	return wc_map3_range_search(code,
66	1.59M	gbk_ext_ucs_map, N_gbk_ext_ucs_map)
67	1.59M	? WC_CCS_GBK_EXT : WC_CCS_GBK;
68	1.59M	}
69
70		#ifdef USE_UNICODE
71		wc_uint32
72		wc_gb18030_to_ucs(wc_wchar_t cc)
73	339k	{
74	339k	wc_map3 *map;
75
76	339k	switch (WC_CCS_SET(cc.ccs)) {
77	0	case WC_CCS_GBK_EXT_1:
78	0	case WC_CCS_GBK_EXT_2:
79	0	cc = wc_cs128w_to_gbk_ext(cc);
80	277k	case WC_CCS_GBK_EXT:
81	277k	map = wc_map3_range_search((wc_uint16)cc.code,
82	277k	gbk_ext_ucs_map, N_gbk_ext_ucs_map);
83	277k	if (map)
84	277k	return map->code3 + WC_GBK_N(cc.code) - WC_GBK_N(map->code2);
85	253	return WC_C_UCS4_ERROR;
86	61.9k	case WC_CCS_GB18030:
87	61.9k	break;
88	0	default:
89	0	return wc_any_to_ucs(cc);
90	339k	}
91	61.9k	if (cc.code >= WC_C_GB18030_UCS2 && cc.code <= WC_C_GB18030_UCS2_END) {
92	8.63k	int i, min = 0, max = N_ucs_gb18030_map - 1;
93
94	8.63k	cc.code = WC_GB18030_N(cc.code) - WC_GB18030_N(WC_C_GB18030_UCS2);
95	8.63k	if (cc.code >= ucs_gb18030_map[max].code3)
96	5.80k	i = max;
97	2.82k	else {
98	19.8k	while(1) {
99	19.8k	i = (min + max) / 2;
100	19.8k	if (min == max)
101	195	break;
102	19.6k	if (cc.code < ucs_gb18030_map[i].code3)
103	13.5k	max = i - 1;
104	6.09k	else if (cc.code >= ucs_gb18030_map[i+1].code3)
105	3.46k	min = i + 1;
106	2.63k	else
107	2.63k	break;
108	19.6k	}
109	2.82k	}
110	8.63k	return ucs_gb18030_map[i].code + cc.code - ucs_gb18030_map[i].code3;
111	8.63k	}
112	53.3k	if (cc.code >= WC_C_GB18030_UCS4 && cc.code <= WC_C_GB18030_UCS4_END)
113	20.5k	return WC_GB18030_N(cc.code) - WC_GB18030_N(WC_C_GB18030_UCS4)
114	20.5k	+ 0x10000;
115	32.7k	return WC_C_UCS4_ERROR;
116	53.3k	}
117
118		wc_wchar_t
119		wc_ucs_to_gb18030(wc_uint32 ucs)
120	9.95M	{
121	9.95M	wc_wchar_t cc;
122	9.95M	wc_map3 *map;
123
124	9.95M	if (ucs <= WC_C_UCS2_END) {
125	9.95M	map = wc_map3_range_search((wc_uint16)ucs,
126	9.95M	ucs_gbk_ext_map, N_ucs_gbk_ext_map);
127	9.95M	if (map) {
128	1.35k	cc.code = WC_GBK_N(map->code3) + ucs - map->code;
129	1.35k	cc.code = WC_N_GBK(cc.code);
130	1.35k	cc.ccs = WC_CCS_GBK_EXT;
131	1.35k	return cc;
132	1.35k	}
133	9.95M	map = wc_map3_range_search((wc_uint16)ucs,
134	9.95M	ucs_gb18030_map, N_ucs_gb18030_map);
135	9.95M	if (map) {
136	9.95M	cc.code = map->code3 + ucs - map->code + WC_GB18030_N(WC_C_GB18030_UCS2);
137	9.95M	cc.code = WC_N_GB18030(cc.code);
138	9.95M	if (WcOption.gb18030_as_ucs)
139	0	cc.ccs = WC_CCS_GB18030 \| (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET);
140	9.95M	else
141	9.95M	cc.ccs = WC_CCS_GB18030_W;
142	9.95M	return cc;
143	9.95M	}
144	9.95M	} else if (ucs <= WC_C_UNICODE_END) {
145	315	cc.code = ucs - 0x10000 + WC_GB18030_N(WC_C_GB18030_UCS4);
146	315	cc.code = WC_N_GB18030(cc.code);
147	315	if (WcOption.gb18030_as_ucs)
148	0	cc.ccs = WC_CCS_GB18030 \| (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET);
149	315	else
150	315	cc.ccs = WC_CCS_GB18030_W;
151	315	return cc;
152	315	}
153	4.27k	cc.ccs = WC_CCS_UNKNOWN;
154	4.27k	cc.code = 0;
155	4.27k	return cc;
156	9.95M	}
157		#endif
158
159		Str
160		wc_conv_from_gb18030(Str is, wc_ces ces)
161	1.35k	{
162	1.35k	Str os;
163	1.35k	wc_uchar sp = (wc_uchar )is->ptr;
164	1.35k	wc_uchar *ep = sp + is->length;
165	1.35k	wc_uchar *p;
166	1.35k	int state = WC_GB18030_NOSTATE;
167	1.35k	wc_uint32 gbk;
168	1.35k	wc_wchar_t cc;
169	1.35k	#ifdef USE_UNICODE
170	1.35k	wc_uint32 ucs;
171	1.35k	#endif
172
173	2.02k	for (p = sp; p < ep && *p < 0x80; p++)
174	665	;
175	1.35k	if (p == ep)
176	7	return is;
177	1.35k	os = Strnew_size(is->length);
178	1.35k	if (p > sp)
179	82	Strcat_charp_n(os, (char *)is->ptr, (int)(p - sp));
180
181	6.07M	for (; p < ep; p++) {
182	6.07M	switch (state) {
183	4.13M	case WC_GB18030_NOSTATE:
184	4.13M	switch (WC_GB18030_MAP[*p]) {
185	1.81M	case UB:
186	1.81M	state = WC_GB18030_MBYTE1;
187	1.81M	break;
188	546k	case C1:
189	546k	wtf_push_unknown(os, p, 1);
190	546k	break;
191	1.77M	default:
192	1.77M	Strcat_char(os, (char)*p);
193	1.77M	break;
194	4.13M	}
195	4.13M	break;
196	4.13M	case WC_GB18030_MBYTE1:
197	1.80M	if (WC_GB18030_MAP[*p] & LB) {
198	1.59M	gbk = ((wc_uint32)(p-1) << 8) \| p;
199	1.59M	if (wc_gbk_or_gbk_ext(gbk) == WC_CCS_GBK_EXT)
200	312k	wtf_push(os, WC_CCS_GBK_EXT, gbk);
201	1.28M	else if ((p-1) >= 0xA1 && p >= 0xA1)
202	850k	wtf_push(os, wc_gb2312_or_gbk(gbk), gbk);
203	429k	else
204	429k	wtf_push(os, WC_CCS_GBK, gbk);
205	1.59M	} else if (WC_GB18030_MAP[*p] == L4) {
206	70.3k	state = WC_GB18030_MBYTE2;
207	70.3k	break;
208	70.3k	} else
209	145k	wtf_push_unknown(os, p-1, 2);
210	1.73M	state = WC_GB18030_NOSTATE;
211	1.73M	break;
212	70.2k	case WC_GB18030_MBYTE2:
213	70.2k	if (WC_GB18030_MAP[*p] == UB) {
214	61.3k	state = WC_GB18030_MBYTE3;
215	61.3k	break;
216	61.3k	} else
217	8.89k	wtf_push_unknown(os, p-2, 3);
218	8.89k	state = WC_GB18030_NOSTATE;
219	8.89k	break;
220	61.3k	case WC_GB18030_MBYTE3:
221	61.3k	if (WC_GB18030_MAP[*p] == L4) {
222	53.1k	cc.ccs = WC_CCS_GB18030_W;
223	53.1k	cc.code = ((wc_uint32)*(p-3) << 24)
224	53.1k	\| ((wc_uint32)*(p-2) << 16)
225	53.1k	\| ((wc_uint32)*(p-1) << 8)
226	53.1k	\| *p;
227	53.1k	#ifdef USE_UNICODE
228	53.1k	if (WcOption.gb18030_as_ucs &&
229	0	(ucs = wc_gb18030_to_ucs(cc)) != WC_C_UCS4_ERROR)
230	0	wtf_push(os, WC_CCS_GB18030 \| (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET), cc.code);
231	53.1k	else
232	53.1k	#endif
233	53.1k	wtf_push(os, cc.ccs, cc.code);
234	53.1k	} else
235	8.24k	wtf_push_unknown(os, p-3, 4);
236	61.3k	state = WC_GB18030_NOSTATE;
237	61.3k	break;
238	6.07M	}
239	6.07M	}
240	1.35k	switch (state) {
241	590	case WC_GB18030_MBYTE1:
242	590	wtf_push_unknown(os, p-1, 1);
243	590	break;
244	8	case WC_GB18030_MBYTE2:
245	8	wtf_push_unknown(os, p-2, 2);
246	8	break;
247	5	case WC_GB18030_MBYTE3:
248	5	wtf_push_unknown(os, p-3, 3);
249	5	break;
250	1.35k	}
251	1.35k	return os;
252	1.35k	}
253
254		void
255		wc_push_to_gb18030(Str os, wc_wchar_t cc, wc_status *st)
256	11.6M	{
257	22.6M	while (1) {
258	22.6M	switch (WC_CCS_SET(cc.ccs)) {
259	3.85k	case WC_CCS_US_ASCII:
260	3.85k	Strcat_char(os, (char)cc.code);
261	3.85k	return;
262	884k	case WC_CCS_GB_2312:
263	884k	Strcat_char(os, (char)((cc.code >> 8) \| 0x80));
264	884k	Strcat_char(os, (char)((cc.code & 0xff) \| 0x80));
265	884k	return;
266	123k	case WC_CCS_GBK_1:
267	127k	case WC_CCS_GBK_2:
268	127k	cc = wc_cs128w_to_gbk(cc);
269	201k	case WC_CCS_GBK:
270	201k	Strcat_char(os, (char)(cc.code >> 8));
271	201k	Strcat_char(os, (char)(cc.code & 0xff));
272	201k	return;
273	207	case WC_CCS_GBK_EXT_1:
274	701	case WC_CCS_GBK_EXT_2:
275	701	cc = wc_cs128w_to_gbk(cc);
276	22.5k	case WC_CCS_GBK_EXT:
277	22.5k	Strcat_char(os, (char)(cc.code >> 8));
278	22.5k	Strcat_char(os, (char)(cc.code & 0xff));
279	22.5k	return;
280	9.95M	case WC_CCS_GB18030:
281	9.95M	Strcat_char(os, (char)((cc.code >> 24) & 0xff));
282	9.95M	Strcat_char(os, (char)((cc.code >> 16) & 0xff));
283	9.95M	Strcat_char(os, (char)((cc.code >> 8) & 0xff));
284	9.95M	Strcat_char(os, (char)(cc.code & 0xff));
285	9.95M	return;
286	7.56k	case WC_CCS_UNKNOWN_W:
287	7.56k	if (!WcOption.no_replace)
288	7.56k	Strcat_charp(os, WC_REPLACE_W);
289	7.56k	return;
290	629k	case WC_CCS_UNKNOWN:
291	629k	if (!WcOption.no_replace)
292	629k	Strcat_charp(os, WC_REPLACE);
293	629k	return;
294	10.9M	default:
295	10.9M	#ifdef USE_UNICODE
296	10.9M	if (WcOption.ucs_conv)
297	10.9M	cc = wc_any_to_any_ces(cc, st);
298	0	else
299	0	#endif
300	0	cc.ccs = WC_CCS_IS_WIDE(cc.ccs) ? WC_CCS_UNKNOWN_W : WC_CCS_UNKNOWN;
301	10.9M	continue;
302	22.6M	}
303	22.6M	}
304	11.6M	}
305
306		Str
307		wc_char_conv_from_gb18030(wc_uchar c, wc_status *st)
308	0	{
309	0	static Str os;
310	0	static wc_uchar gb[4];
311	0	wc_uint32 gbk;
312	0	wc_wchar_t cc;
313	0	#ifdef USE_UNICODE
314	0	wc_uint32 ucs;
315	0	#endif
316
317	0	if (st->state == -1) {
318	0	st->state = WC_GB18030_NOSTATE;
319	0	os = Strnew_size(8);
320	0	}
321
322	0	switch (st->state) {
323	0	case WC_GB18030_NOSTATE:
324	0	switch (WC_GB18030_MAP[c]) {
325	0	case UB:
326	0	gb[0] = c;
327	0	st->state = WC_GB18030_MBYTE1;
328	0	return NULL;
329	0	case C1:
330	0	break;
331	0	default:
332	0	Strcat_char(os, (char)c);
333	0	break;
334	0	}
335	0	break;
336	0	case WC_GB18030_MBYTE1:
337	0	if (WC_GB18030_MAP[c] & LB) {
338	0	gbk = ((wc_uint32)gb[0] << 8) \| c;
339	0	if (wc_gbk_or_gbk_ext(gbk) == WC_CCS_GBK_EXT)
340	0	wtf_push(os, WC_CCS_GBK_EXT, gbk);
341	0	else if (gb[0] >= 0xA1 && c >= 0xA1)
342	0	wtf_push(os, wc_gb2312_or_gbk(gbk), gbk);
343	0	else
344	0	wtf_push(os, WC_CCS_GBK, gbk);
345	0	} else if (WC_GB18030_MAP[c] == L4) {
346	0	gb[1] = c;
347	0	st->state = WC_GB18030_MBYTE2;
348	0	return NULL;
349	0	}
350	0	break;
351	0	case WC_GB18030_MBYTE2:
352	0	if (WC_GB18030_MAP[c] == UB) {
353	0	gb[2] = c;
354	0	st->state = WC_GB18030_MBYTE3;
355	0	return NULL;
356	0	}
357	0	break;
358	0	case WC_GB18030_MBYTE3:
359	0	if (WC_GB18030_MAP[c] == L4) {
360	0	cc.ccs = WC_CCS_GB18030_W;
361	0	cc.code = ((wc_uint32)gb[0] << 24)
362	0	\| ((wc_uint32)gb[1] << 16)
363	0	\| ((wc_uint32)gb[2] << 8)
364	0	\| c;
365	0	#ifdef USE_UNICODE
366	0	if (WcOption.gb18030_as_ucs &&
367	0	(ucs = wc_gb18030_to_ucs(cc)) != WC_C_UCS4_ERROR)
368	0	wtf_push(os, WC_CCS_GB18030 \| (wc_ucs_to_ccs(ucs) & ~WC_CCS_A_SET), cc.code);
369	0	else
370	0	#endif
371	0	wtf_push(os, cc.ccs, cc.code);
372	0	}
373	0	break;
374	0	}
375	0	st->state = -1;
376	0	return os;
377	0	}