#include "wc.h"
#include "johab.h"
#include "wtf.h"
#ifdef USE_UNICODE
#include "ucs.h"
#endif
#define C0 WC_JOHAB_MAP_C0
#define GL WC_JOHAB_MAP_GL
#define C1 WC_JOHAB_MAP_C1
#define GH WC_JOHAB_MAP_GH
#define GB WC_JOHAB_MAP_GB
#define JJ WC_JOHAB_MAP_JJ
#define JB WC_JOHAB_MAP_JB
#define HB WC_JOHAB_MAP_HB
#define CJ WC_JOHAB_MAP_CJ
#define CB WC_JOHAB_MAP_CB
/*
00-1F 20-30 31-40 41-7E 7F 80 81-83 84-90 91-D3 D4-D7 D8-DE DF E0-F9 FA-FE FF
C0 GL GL GL C0 - - J J - H - H - -
- - J B - - J J B B B B B B -
C0 GL GH GB C0 C1 CJ JJ JB CB HB CB HB CB C1
*/
wc_uint8 WC_JOHAB_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,
/* 20 */
GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL, GL,
/* 30 31 */
GL, GH, GH, GH, GH, GH, GH, GH, GH, GH, GH, GH, GH, GH, GH, GH,
/* 40 41 */
GH, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB,
GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB,
GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB,
GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, GB, C0,
/* 80 83 84 */
C1, CJ, CJ, CJ, JJ, JJ, JJ, JJ, JJ, JJ, JJ, JJ, JJ, JJ, JJ, JJ,
/* 90 91 */
JJ, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB,
JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB,
JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB,
JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB, JB,
/* D3 D4 D7 D8 DF */
JB, JB, JB, JB, CB, CB, CB, CB, HB, HB, HB, HB, HB, HB, HB, CB,
HB, HB, HB, HB, HB, HB, HB, HB, HB, HB, HB, HB, HB, HB, HB, HB,
/* F9 FA FE FF */
HB, HB, HB, HB, HB, HB, HB, HB, HB, HB, CB, CB, CB, CB, CB, C1,
};
static wc_uint8 johab1_N_map[ 3 ][ 32 ] = {
{ 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,
15,16,17,18,19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 1, 2, 3, 4, 5, 0, 0, 6, 7, 8, 9,10,11,
0, 0,12,13,14,15,16,17, 0, 0,18,19,20,21, 0, 0 },
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,
16,17, 0,18,19,20,21,22,23,24,25,26,27,28, 0, 0 }
};
static wc_uint8 N_johab1_map[ 3 ][ 32 ] = {
{ 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,
18,19,20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 3, 4, 5, 6, 7,10,11,12,13,14,15,18,19,20,21,22,
23,26,27,28,29, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,
17,19,20,21,22,23,24,25,26,27,28,29, 0, 0, 0, 0 }
};
wc_wchar_t
wc_johab_to_ksx1001(wc_wchar_t cc)
{
#ifdef USE_UNICODE
static wc_table *t = NULL;
#endif
switch (cc.ccs) {
case WC_CCS_JOHAB:
return wc_johab_to_ksx1001(wc_johab_to_cs128w(cc));
case WC_CCS_JOHAB_1:
case WC_CCS_JOHAB_2:
#ifdef USE_UNICODE
if (WcOption.ucs_conv) {
if (t == NULL)
t = wc_get_ucs_table(WC_CCS_KS_X_1001);
cc = wc_any_to_any(cc, t);
} else
#endif
cc.ccs = WC_CCS_UNKNOWN_W;
break;
case WC_CCS_JOHAB_3:
if (cc.code >= 0x2121)
cc.ccs = WC_CCS_KS_X_1001;
else
cc.ccs = WC_CCS_UNKNOWN_W;
break;
}
return cc;
}
wc_wchar_t
wc_ksx1001_to_johab(wc_wchar_t cc)
{
cc.code &= 0x7f7f;
if ((cc.code >= 0x2121 && cc.code < 0x2421) ||
(cc.code > 0x2453 && cc.code <= 0x2C7E) ||
(cc.code >= 0x4A21 && cc.code <= 0x7D7E)) {
cc.ccs = WC_CCS_JOHAB_3;
return cc;
}
#ifdef USE_UNICODE
if (WcOption.ucs_conv)
cc = wc_ucs_to_johab(wc_any_to_ucs(cc));
else
#endif
cc.ccs = WC_CCS_UNKNOWN_W;
return cc;
}
#ifdef USE_UNICODE
wc_wchar_t
wc_ucs_to_johab(wc_uint32 ucs)
{
wc_table *t;
wc_wchar_t cc;
if (ucs >= WC_C_UCS2_HANGUL && ucs <= WC_C_UCS2_HANGUL_END) {
ucs -= WC_C_UCS2_HANGUL;
cc.code = WC_N_JOHAB1(ucs);
cc.ccs = WC_CCS_JOHAB;
} else if (ucs >= 0x3131 && ucs <= 0x3163) {
t = wc_get_ucs_table(WC_CCS_JOHAB_2);
cc = wc_ucs_to_any(ucs, t);
} else {
t = wc_get_ucs_table(WC_CCS_JOHAB_3);
cc = wc_ucs_to_any(ucs, t);
}
return cc;
}
#endif
wc_uint32
wc_johab1_to_N(wc_uint32 code)
{
wc_uint32 a, b, c;
a = johab1_N_map[0][(code >> 10) & 0x1F];
b = johab1_N_map[1][(code >> 5) & 0x1F];
c = johab1_N_map[2][ code & 0x1F];
if (a && b && c)
return ((a - 1) * 21 + (b - 1)) * 28 + (c - 1);
return WC_C_JOHAB_ERROR;
}
wc_uint32
wc_N_to_johab1(wc_uint32 code)
{
wc_uint32 a, b, c;
a = N_johab1_map[0][(code / 28) / 21];
b = N_johab1_map[1][(code / 28) % 21];
c = N_johab1_map[2][ code % 28 ];
return 0x8000 | (a << 10) | (b << 5) | c;
}
/* 0x1F21 - 0x2C7E, 0x4A21 - 0x7C7E
(0x1F21 - 0x207E are not in KS X 1001) */
#define johab3_to_ksx1001(ub, lb) \
{ \
if (ub < 0xe0) { \
ub = ((ub - 0xd8) << 1) + 0x1f; \
} else { \
ub = ((ub - 0xe0) << 1) + 0x4a; \
} \
if (lb < 0xa1) { \
lb -= (lb < 0x91) ? 0x10 : 0x22; \
} else { \
ub++; \
lb -= 0x80; \
} \
}
#define ksx1001_to_johab3(ub, lb) \
{ \
if (ub < 0x4a) { \
ub -= 0x1f; \
lb += (ub & 0x1) ? 0x80 : ((lb < 0x6f) ? 0x10 : 0x22); \
ub = (ub >> 1) + 0xd8; \
} else { \
ub -= 0x4a; \
lb += (ub & 0x1) ? 0x80 : ((lb < 0x6f) ? 0x10 : 0x22); \
ub = (ub >> 1) + 0xe0; \
} \
}
wc_wchar_t
wc_johab_to_cs128w(wc_wchar_t cc)
{
wc_uint32 n;
wc_uchar ub, lb;
if (cc.code < 0xD800) {
n = WC_JOHAB1_N(cc.code);
if (n != WC_C_JOHAB_ERROR) {
cc.code = WC_N_CS94x128(n);
cc.ccs = WC_CCS_JOHAB_1;
} else {
n = WC_JOHAB2_N(cc.code);
cc.code = WC_N_CS128W(n);
cc.ccs = WC_CCS_JOHAB_2;
}
} else {
ub = cc.code >> 8;
lb = cc.code & 0xff;
johab3_to_ksx1001(ub, lb);
cc.code = ((wc_uint32)ub << 8) | lb;
cc.ccs = WC_CCS_JOHAB_3;
}
return cc;
}
wc_wchar_t
wc_cs128w_to_johab(wc_wchar_t cc)
{
wc_uint32 n;
wc_uchar ub, lb;
switch (cc.ccs) {
case WC_CCS_JOHAB_1:
n = WC_CS94x128_N(cc.code);
cc.code = WC_N_JOHAB1(n);
break;
case WC_CCS_JOHAB_2:
n = WC_CS128W_N(cc.code);
cc.code = WC_N_JOHAB2(n);
break;
case WC_CCS_JOHAB_3:
ub = (cc.code >> 8) & 0x7f;
lb = cc.code & 0x7f;
ksx1001_to_johab3(ub, lb);
cc.code = ((wc_uint32)ub << 8) | lb;
}
cc.ccs = WC_CCS_JOHAB;
return cc;
}
Str
wc_conv_from_johab(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_JOHAB_NOSTATE;
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, is->ptr, (int)(p - sp));
for (; p < ep; p++) {
switch (state) {
case WC_JOHAB_NOSTATE:
switch (WC_JOHAB_MAP[*p] & WC_JOHAB_MAP_1) {
case WC_JOHAB_MAP_UJ:
state = WC_JOHAB_HANGUL1;
break;
case WC_JOHAB_MAP_UH:
state = WC_JOHAB_HANJA1;
break;
case WC_JOHAB_MAP_C1:
wtf_push_unknown(os, p, 1);
break;
default:
Strcat_char(os, (char)*p);
break;
}
break;
case WC_JOHAB_HANGUL1:
if (WC_JOHAB_MAP[*p] & WC_JOHAB_MAP_LJ)
wtf_push(os, WC_CCS_JOHAB, ((wc_uint32)*(p-1) << 8) | *p);
else
wtf_push_unknown(os, p-1, 2);
state = WC_JOHAB_NOSTATE;
break;
case WC_JOHAB_HANJA1:
if (WC_JOHAB_MAP[*p] & WC_JOHAB_MAP_LH)
wtf_push(os, WC_CCS_JOHAB, ((wc_uint32)*(p-1) << 8) | *p);
else
wtf_push_unknown(os, p-1, 2);
state = WC_JOHAB_NOSTATE;
break;
}
}
switch (state) {
case WC_JOHAB_HANGUL1:
case WC_JOHAB_HANJA1:
wtf_push_unknown(os, p-1, 1);
break;
}
return os;
}
void
wc_push_to_johab(Str os, wc_wchar_t cc, wc_status *st)
{
while (1) {
switch (cc.ccs) {
case WC_CCS_US_ASCII:
Strcat_char(os, (char)cc.code);
return;
case WC_CCS_JOHAB_1:
case WC_CCS_JOHAB_2:
case WC_CCS_JOHAB_3:
cc = wc_cs128w_to_johab(cc);
case WC_CCS_JOHAB:
Strcat_char(os, (char)(cc.code >> 8));
Strcat_char(os, (char)(cc.code & 0xff));
return;
case WC_CCS_KS_X_1001:
cc = wc_ksx1001_to_johab(cc);
continue;
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_johab(wc_uchar c, wc_status *st)
{
static Str os;
static wc_uchar johabu;
if (st->state == -1) {
st->state = WC_JOHAB_NOSTATE;
os = Strnew_size(8);
}
switch (st->state) {
case WC_JOHAB_NOSTATE:
switch (WC_JOHAB_MAP[c] & WC_JOHAB_MAP_1) {
case WC_JOHAB_MAP_UJ:
johabu = c;
st->state = WC_JOHAB_HANGUL1;
return NULL;
case WC_JOHAB_MAP_UH:
johabu = c;
st->state = WC_JOHAB_HANJA1;
return NULL;
case WC_JOHAB_MAP_C1:
break;
default:
Strcat_char(os, (char)c);
break;
}
break;
case WC_JOHAB_HANGUL1:
if (WC_JOHAB_MAP[c] & WC_JOHAB_MAP_LJ)
wtf_push(os, WC_CCS_JOHAB, ((wc_uint32)johabu << 8) | c);
break;
case WC_JOHAB_HANJA1:
if (WC_JOHAB_MAP[c] & WC_JOHAB_MAP_LH)
wtf_push(os, WC_CCS_JOHAB, ((wc_uint32)johabu << 8) | c);
break;
}
st->state = -1;
return os;
}
