mbfilter_euc_jp_win.c [plain text]
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "mbfilter.h"
#include "mbfilter_euc_jp_win.h"
#include "unicode_table_cp932_ext.h"
#include "unicode_table_jis.h"
#include "cp932_table.h"
static int mbfl_filt_ident_eucjp_win(int c, mbfl_identify_filter *filter);
static const unsigned char mblen_table_eucjp[] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1
};
static const char *mbfl_encoding_eucjp_win_aliases[] = {"eucJP-open",
"eucJP-ms", NULL};
const struct mbfl_identify_vtbl vtbl_identify_eucjpwin = {
mbfl_no_encoding_eucjp_win,
mbfl_filt_ident_common_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_eucjp_win
};
const mbfl_encoding mbfl_encoding_eucjp_win = {
mbfl_no_encoding_eucjp_win,
"eucJP-win",
"EUC-JP",
(const char *(*)[])&mbfl_encoding_eucjp_win_aliases,
mblen_table_eucjp,
MBFL_ENCTYPE_MBCS
};
const struct mbfl_convert_vtbl vtbl_eucjpwin_wchar = {
mbfl_no_encoding_eucjp_win,
mbfl_no_encoding_wchar,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_eucjpwin_wchar,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_wchar_eucjpwin = {
mbfl_no_encoding_wchar,
mbfl_no_encoding_eucjp_win,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_wchar_eucjpwin,
mbfl_filt_conv_common_flush
};
#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
int
mbfl_filt_conv_eucjpwin_wchar(int c, mbfl_convert_filter *filter)
{
int c1, s, w, n;
switch (filter->status) {
case 0:
if (c >= 0 && c < 0x80) {
CK((*filter->output_function)(c, filter->data));
} else if (c > 0xa0 && c < 0xff) {
filter->status = 1;
filter->cache = c;
} else if (c == 0x8e) {
filter->status = 2;
} else if (c == 0x8f) {
filter->status = 3;
} else {
w = c & MBFL_WCSGROUP_MASK;
w |= MBFL_WCSGROUP_THROUGH;
CK((*filter->output_function)(w, filter->data));
}
break;
case 1:
filter->status = 0;
c1 = filter->cache;
if (c > 0xa0 && c < 0xff) {
w = 0;
s = (c1 - 0xa1)*94 + c - 0xa1;
if (s <= 137) {
if (s == 31) {
w = 0xff3c;
} else if (s == 32) {
w = 0xff5e;
} else if (s == 33) {
w = 0x2225;
} else if (s == 60) {
w = 0xff0d;
} else if (s == 80) {
w = 0xffe0;
} else if (s == 81) {
w = 0xffe1;
} else if (s == 137) {
w = 0xffe2;
}
}
if (w == 0) {
if (s >= cp932ext1_ucs_table_min && s < cp932ext1_ucs_table_max) {
w = cp932ext1_ucs_table[s - cp932ext1_ucs_table_min];
} else if (s >= 0 && s < jisx0208_ucs_table_size) {
w = jisx0208_ucs_table[s];
} else if (s >= (84 * 94)) {
w = s - (84 * 94) + 0xe000;
}
}
if (w <= 0) {
w = ((c1 & 0x7f) << 8) | (c & 0x7f);
w &= MBFL_WCSPLANE_MASK;
w |= MBFL_WCSPLANE_WINCP932;
}
CK((*filter->output_function)(w, filter->data));
} else if ((c >= 0 && c < 0x21) || c == 0x7f) {
CK((*filter->output_function)(c, filter->data));
} else {
w = (c1 << 8) | c;
w &= MBFL_WCSGROUP_MASK;
w |= MBFL_WCSGROUP_THROUGH;
CK((*filter->output_function)(w, filter->data));
}
break;
case 2:
filter->status = 0;
if (c > 0xa0 && c < 0xe0) {
w = 0xfec0 + c;
CK((*filter->output_function)(w, filter->data));
} else if ((c >= 0 && c < 0x21) || c == 0x7f) {
CK((*filter->output_function)(c, filter->data));
} else {
w = 0x8e00 | c;
w &= MBFL_WCSGROUP_MASK;
w |= MBFL_WCSGROUP_THROUGH;
CK((*filter->output_function)(w, filter->data));
}
break;
case 3:
if ((c >= 0 && c < 0x21) || c == 0x7f) {
CK((*filter->output_function)(c, filter->data));
filter->status = 0;
} else {
filter->status++;
filter->cache = c;
}
break;
case 4:
filter->status = 0;
c1 = filter->cache;
if (c1 > 0xa0 && c1 < 0xff && c > 0xa0 && c < 0xff) {
s = (c1 - 0xa1)*94 + c - 0xa1;
if (s >= 0 && s < jisx0212_ucs_table_size) {
w = jisx0212_ucs_table[s];
if (w == 0x007e) {
w = 0xff5e;
}
} else if (s >= (82*94) && s < (84*94)) {
s = (c1<< 8) | c;
w = 0;
n = 0;
while (n < cp932ext3_eucjp_table_size) {
if (s == cp932ext3_eucjp_table[n]) {
if (n < (cp932ext3_ucs_table_max - cp932ext3_ucs_table_min)) {
w = cp932ext3_ucs_table[n];
}
break;
}
n++;
}
} else if (s >= (84*94)) {
w = s - (84*94) + (0xe000 + (94*10));
} else {
w = 0;
}
if (w == 0x00A6) {
w = 0xFFE4;
}
if (w <= 0) {
w = ((c1 & 0x7f) << 8) | (c & 0x7f);
w &= MBFL_WCSPLANE_MASK;
w |= MBFL_WCSPLANE_JIS0212;
}
CK((*filter->output_function)(w, filter->data));
} else if ((c >= 0 && c < 0x21) || c == 0x7f) {
CK((*filter->output_function)(c, filter->data));
} else {
w = (c1 << 8) | c | 0x8f0000;
w &= MBFL_WCSGROUP_MASK;
w |= MBFL_WCSGROUP_THROUGH;
CK((*filter->output_function)(w, filter->data));
}
break;
default:
filter->status = 0;
break;
}
return c;
}
int
mbfl_filt_conv_wchar_eucjpwin(int c, mbfl_convert_filter *filter)
{
int c1, c2, s1;
s1 = 0;
if (c >= ucs_a1_jis_table_min && c < ucs_a1_jis_table_max) {
s1 = ucs_a1_jis_table[c - ucs_a1_jis_table_min];
} else if (c >= ucs_a2_jis_table_min && c < ucs_a2_jis_table_max) {
s1 = ucs_a2_jis_table[c - ucs_a2_jis_table_min];
} else if (c >= ucs_i_jis_table_min && c < ucs_i_jis_table_max) {
s1 = ucs_i_jis_table[c - ucs_i_jis_table_min];
} else if (c >= ucs_r_jis_table_min && c < ucs_r_jis_table_max) {
s1 = ucs_r_jis_table[c - ucs_r_jis_table_min];
} else if (c >= 0xe000 && c < (0xe000 + 10*94)) {
s1 = c - 0xe000;
c1 = s1/94 + 0x75;
c2 = s1%94 + 0x21;
s1 = (c1 << 8) | c2;
} else if (c >= (0xe000 + 10*94) && c < (0xe000 + 20*94)) {
s1 = c - (0xe000 + 10*94);
c1 = s1/94 + 0xf5;
c2 = s1%94 + 0xa1;
s1 = (c1 << 8) | c2;
}
if (s1 == 0xa2f1) {
s1 = 0x2d62;
}
if (s1 <= 0) {
c1 = c & ~MBFL_WCSPLANE_MASK;
if (c1 == MBFL_WCSPLANE_WINCP932) {
s1 = c & MBFL_WCSPLANE_MASK;
if (s1 >= ((85 + 0x20) << 8)) {
s1 = -1;
}
} else if (c1 == MBFL_WCSPLANE_JIS0208) {
s1 = c & MBFL_WCSPLANE_MASK;
if (s1 >= ((85 + 0x20) << 8)) {
s1 = -1;
}
} else if (c1 == MBFL_WCSPLANE_JIS0212) {
s1 = c & MBFL_WCSPLANE_MASK;
if (s1 >= ((83 + 0x20) << 8)) {
s1 = -1;
} else {
s1 |= 0x8080;
}
} else if (c == 0xa5) {
s1 = 0x216f;
} else if (c == 0x203e) {
s1 = 0x2131;
} else if (c == 0xff3c) {
s1 = 0x2140;
} else if (c == 0xff5e) {
s1 = 0x2141;
} else if (c == 0x2225) {
s1 = 0x2142;
} else if (c == 0xff0d) {
s1 = 0x215d;
} else if (c == 0xffe0) {
s1 = 0x2171;
} else if (c == 0xffe1) {
s1 = 0x2172;
} else if (c == 0xffe2) {
s1 = 0x224c;
} else if (c == 0xff5e) {
s1 = 0x2141;
} else {
s1 = -1;
c1 = 0;
c2 = cp932ext1_ucs_table_max - cp932ext1_ucs_table_min;
while (c1 < c2) {
const int oh = cp932ext1_ucs_table_min / 94;
if (c == cp932ext1_ucs_table[c1]) {
s1 = ((c1 / 94 + oh + 0x21) << 8) + (c1 % 94 + 0x21);
break;
}
c1++;
}
if (s1 < 0) {
c1 = 0;
c2 = cp932ext3_ucs_table_max - cp932ext3_ucs_table_min;
while (c1 < c2) {
if (c == cp932ext3_ucs_table[c1]) {
if (c1 < cp932ext3_eucjp_table_size) {
s1 = cp932ext3_eucjp_table[c1];
}
break;
}
c1++;
}
}
}
if (c == 0) {
s1 = 0;
} else if (s1 <= 0) {
s1 = -1;
}
}
if (s1 >= 0) {
if (s1 < 0x80) {
CK((*filter->output_function)(s1, filter->data));
} else if (s1 < 0x100) {
CK((*filter->output_function)(0x8e, filter->data));
CK((*filter->output_function)(s1, filter->data));
} else if (s1 < 0x8080) {
CK((*filter->output_function)(((s1 >> 8) & 0xff) | 0x80, filter->data));
CK((*filter->output_function)((s1 & 0xff) | 0x80, filter->data));
} else {
CK((*filter->output_function)(0x8f, filter->data));
CK((*filter->output_function)(((s1 >> 8) & 0xff) | 0x80, filter->data));
CK((*filter->output_function)((s1 & 0xff) | 0x80, filter->data));
}
} else {
if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(c, filter));
}
}
return c;
}
static int mbfl_filt_ident_eucjp_win(int c, mbfl_identify_filter *filter)
{
switch (filter->status) {
case 0:
if (c >= 0 && c < 0x80) {
;
} else if (c > 0xa0 && c < 0xff) {
filter->status = 1;
} else if (c == 0x8e) {
filter->status = 2;
} else if (c == 0x8f) {
filter->status = 3;
} else {
filter->flag = 1;
}
break;
case 1:
if (c < 0xa1 || c > 0xfe) {
filter->flag = 1;
}
filter->status = 0;
break;
case 2:
if (c < 0xa1 || c > 0xdf) {
filter->flag = 1;
}
filter->status = 0;
break;
case 3:
if (c < 0xa1 || c > 0xfe) {
filter->flag = 1;
}
filter->status++;
break;
case 4:
if (c < 0xa1 || c > 0xfe) {
filter->flag = 1;
}
filter->status = 0;
break;
default:
filter->status = 0;
break;
}
return c;
}