#include "jisx0213.h"
#include "flushwc.h"
static int
euc_jisx0213_mbtowc (conv_t conv, ucs4_t *pwc, const unsigned char *s, int n)
{
ucs4_t last_wc = conv->istate;
if (last_wc) {
conv->istate = 0;
*pwc = last_wc;
return 0;
} else {
unsigned char c = *s;
if (c < 0x80) {
*pwc = (ucs4_t) c;
return 1;
} else {
if ((c >= 0xa1 && c <= 0xfe) || c == 0x8e || c == 0x8f) {
if (n >= 2) {
unsigned char c2 = s[1];
if (c2 >= 0xa1 && c2 <= 0xfe) {
if (c == 0x8e) {
if (c2 <= 0xdf) {
*pwc = c2 + 0xfec0;
return 2;
}
} else {
ucs4_t wc;
if (c == 0x8f) {
if (n >= 3) {
unsigned char c3 = s[2];
wc = jisx0213_to_ucs4(0x200-0x80+c2,c3^0x80);
} else
return RET_TOOFEW(0);
} else {
wc = jisx0213_to_ucs4(0x100-0x80+c,c2^0x80);
}
if (wc) {
if (wc < 0x80) {
ucs4_t wc1 = jisx0213_to_ucs_combining[wc - 1][0];
ucs4_t wc2 = jisx0213_to_ucs_combining[wc - 1][1];
*pwc = wc1;
conv->istate = wc2;
} else
*pwc = wc;
return (c == 0x8f ? 3 : 2);
}
}
}
} else
return RET_TOOFEW(0);
}
return RET_ILSEQ;
}
}
}
#define euc_jisx0213_flushwc normal_flushwc
static const struct { unsigned short base; unsigned short composed; } euc_jisx0213_comp_table_data[] = {
#define euc_jisx0213_comp_table02e5_idx 0
#define euc_jisx0213_comp_table02e5_len 1
{ 0xabe4, 0xabe5 },
#define euc_jisx0213_comp_table02e9_idx (euc_jisx0213_comp_table02e5_idx+euc_jisx0213_comp_table02e5_len)
#define euc_jisx0213_comp_table02e9_len 1
{ 0xabe0, 0xabe6 },
#define euc_jisx0213_comp_table0300_idx (euc_jisx0213_comp_table02e9_idx+euc_jisx0213_comp_table02e9_len)
#define euc_jisx0213_comp_table0300_len 5
{ 0xa9dc, 0xabc4 },
{ 0xabb8, 0xabc8 },
{ 0xabb7, 0xabca },
{ 0xabb0, 0xabcc },
{ 0xabc3, 0xabce },
#define euc_jisx0213_comp_table0301_idx (euc_jisx0213_comp_table0300_idx+euc_jisx0213_comp_table0300_len)
#define euc_jisx0213_comp_table0301_len 4
{ 0xabb8, 0xabc9 },
{ 0xabb7, 0xabcb },
{ 0xabb0, 0xabcd },
{ 0xabc3, 0xabcf },
#define euc_jisx0213_comp_table309a_idx (euc_jisx0213_comp_table0301_idx+euc_jisx0213_comp_table0301_len)
#define euc_jisx0213_comp_table309a_len 14
{ 0xa4ab, 0xa4f7 },
{ 0xa4ad, 0xa4f8 },
{ 0xa4af, 0xa4f9 },
{ 0xa4b1, 0xa4fa },
{ 0xa4b3, 0xa4fb },
{ 0xa5ab, 0xa5f7 },
{ 0xa5ad, 0xa5f8 },
{ 0xa5af, 0xa5f9 },
{ 0xa5b1, 0xa5fa },
{ 0xa5b3, 0xa5fb },
{ 0xa5bb, 0xa5fc },
{ 0xa5c4, 0xa5fd },
{ 0xa5c8, 0xa5fe },
{ 0xa6f5, 0xa6f8 },
};
static int
euc_jisx0213_wctomb (conv_t conv, unsigned char *r, ucs4_t wc, int n)
{
int count = 0;
unsigned short lasttwo = conv->ostate;
if (lasttwo) {
unsigned int idx;
unsigned int len;
if (wc == 0x02e5)
idx = euc_jisx0213_comp_table02e5_idx,
len = euc_jisx0213_comp_table02e5_len;
else if (wc == 0x02e9)
idx = euc_jisx0213_comp_table02e9_idx,
len = euc_jisx0213_comp_table02e9_len;
else if (wc == 0x0300)
idx = euc_jisx0213_comp_table0300_idx,
len = euc_jisx0213_comp_table0300_len;
else if (wc == 0x0301)
idx = euc_jisx0213_comp_table0301_idx,
len = euc_jisx0213_comp_table0301_len;
else if (wc == 0x309a)
idx = euc_jisx0213_comp_table309a_idx,
len = euc_jisx0213_comp_table309a_len;
else
goto not_combining;
do
if (euc_jisx0213_comp_table_data[idx].base == lasttwo)
break;
while (++idx, --len > 0);
if (len > 0) {
if (n >= 2) {
lasttwo = euc_jisx0213_comp_table_data[idx].composed;
r[0] = (lasttwo >> 8) & 0xff;
r[1] = lasttwo & 0xff;
conv->ostate = 0;
return 2;
} else
return RET_TOOSMALL;
}
not_combining:
if (n < 2)
return RET_TOOSMALL;
r[0] = (lasttwo >> 8) & 0xff;
r[1] = lasttwo & 0xff;
r += 2;
count = 2;
}
if (wc < 0x80) {
if (n > count) {
r[0] = (unsigned char) wc;
conv->ostate = 0;
return count+1;
} else
return RET_TOOSMALL;
} else if (wc >= 0xff61 && wc <= 0xff9f) {
if (n >= count+2) {
r[0] = 0x8e;
r[1] = wc - 0xfec0;
conv->ostate = 0;
return count+2;
} else
return RET_TOOSMALL;
} else {
unsigned short jch = ucs4_to_jisx0213(wc);
if (jch != 0) {
if (jch & 0x0080) {
if (jch & 0x8000) abort();
conv->ostate = jch | 0x8080;
return count+0;
}
if (jch & 0x8000) {
if (n >= count+3) {
r[0] = 0x8f;
r[1] = (jch >> 8) | 0x80;
r[2] = (jch & 0xff) | 0x80;
conv->ostate = 0;
return count+3;
} else
return RET_TOOSMALL;
} else {
if (n >= count+2) {
r[0] = (jch >> 8) | 0x80;
r[1] = (jch & 0xff) | 0x80;
conv->ostate = 0;
return count+2;
} else
return RET_TOOSMALL;
}
}
return RET_ILUNI;
}
}
static int
euc_jisx0213_reset (conv_t conv, unsigned char *r, int n)
{
state_t lasttwo = conv->ostate;
if (lasttwo) {
if (n < 2)
return RET_TOOSMALL;
r[0] = (lasttwo >> 8) & 0xff;
r[1] = lasttwo & 0xff;
return 2;
} else
return 0;
}