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DEFINITIONS
This source file includes following definitions.
- mbfl_filt_conv_eucjpwin_wchar
- mbfl_filt_conv_wchar_eucjpwin
- mbfl_filt_ident_eucjp_win
/*
* "streamable kanji code filter and converter"
* Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
*
* LICENSE NOTICES
*
* This file is part of "streamable kanji code filter and converter",
* which is distributed under the terms of GNU Lesser General Public
* License (version 2) as published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with "streamable kanji code filter and converter";
* if not, write to the Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*
* The author of this file:
*
*/
/*
* The source code included in this files was separated from mbfilter_ja.c
* by moriyoshi koizumi <moriyoshi@php.net> on 4 dec 2002.
*
*/
#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[] = { /* 0xA1-0xFE */
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)
/*
* eucJP-win => wchar
*/
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) { /* latin */
CK((*filter->output_function)(c, filter->data));
} else if (c > 0xa0 && c < 0xff) { /* CP932 first char */
filter->status = 1;
filter->cache = c;
} else if (c == 0x8e) { /* kana first char */
filter->status = 2;
} else if (c == 0x8f) { /* X 0212 first char */
filter->status = 3;
} else {
w = c & MBFL_WCSGROUP_MASK;
w |= MBFL_WCSGROUP_THROUGH;
CK((*filter->output_function)(w, filter->data));
}
break;
case 1: /* got first half */
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; /* FULLWIDTH REVERSE SOLIDUS */
} else if (s == 32) {
w = 0xff5e; /* FULLWIDTH TILDE */
} else if (s == 33) {
w = 0x2225; /* PARALLEL TO */
} else if (s == 60) {
w = 0xff0d; /* FULLWIDTH HYPHEN-MINUS */
} else if (s == 80) {
w = 0xffe0; /* FULLWIDTH CENT SIGN */
} else if (s == 81) {
w = 0xffe1; /* FULLWIDTH POUND SIGN */
} else if (s == 137) {
w = 0xffe2; /* FULLWIDTH NOT SIGN */
}
}
if (w == 0) {
if (s >= cp932ext1_ucs_table_min && s < cp932ext1_ucs_table_max) { /* vendor ext1 (13ku) */
w = cp932ext1_ucs_table[s - cp932ext1_ucs_table_min];
} else if (s >= 0 && s < jisx0208_ucs_table_size) { /* X 0208 */
w = jisx0208_ucs_table[s];
} else if (s >= (84 * 94)) { /* user (85ku - 94ku) */
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) { /* CTLs */
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: /* got 0x8e, X0201 kana */
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) { /* CTLs */
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: /* got 0x8f, X 0212 first char */
if ((c >= 0 && c < 0x21) || c == 0x7f) { /* CTLs */
CK((*filter->output_function)(c, filter->data));
filter->status = 0;
} else {
filter->status++;
filter->cache = c;
}
break;
case 4: /* got 0x8f, X 0212 second char */
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; /* FULLWIDTH TILDE */
}
} else if (s >= (82*94) && s < (84*94)) { /* vender ext3 (83ku - 84ku) <-> CP932 (115ku -120ku) */
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)) { /* user (85ku - 94ku) */
w = s - (84*94) + (0xe000 + (94*10));
} else {
w = 0;
}
if (w == 0x00A6) {
w = 0xFFE4; /* FULLWIDTH BROKEN BAR */
}
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) { /* CTLs */
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;
}
/*
* wchar => eucJP-win
*/
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)) { /* user (X0208 85ku - 94ku) */
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)) { /* user (X0212 85ku - 94ku) */
s1 = c - (0xe000 + 10*94);
c1 = s1/94 + 0xf5;
c2 = s1%94 + 0xa1;
s1 = (c1 << 8) | c2;
}
if (s1 == 0xa2f1) {
s1 = 0x2d62; /* NUMERO SIGN */
}
if (s1 <= 0) {
c1 = c & ~MBFL_WCSPLANE_MASK;
if (c1 == MBFL_WCSPLANE_WINCP932) {
s1 = c & MBFL_WCSPLANE_MASK;
if (s1 >= ((85 + 0x20) << 8)) { /* 85ku - 120ku */
s1 = -1;
}
} else if (c1 == MBFL_WCSPLANE_JIS0208) {
s1 = c & MBFL_WCSPLANE_MASK;
if (s1 >= ((85 + 0x20) << 8)) { /* 85ku - 94ku */
s1 = -1;
}
} else if (c1 == MBFL_WCSPLANE_JIS0212) {
s1 = c & MBFL_WCSPLANE_MASK;
if (s1 >= ((83 + 0x20) << 8)) { /* 83ku - 94ku */
s1 = -1;
} else {
s1 |= 0x8080;
}
} else if (c == 0xa5) { /* YEN SIGN */
s1 = 0x216f; /* FULLWIDTH YEN SIGN */
} else if (c == 0x203e) { /* OVER LINE */
s1 = 0x2131; /* FULLWIDTH MACRON */
} else if (c == 0xff3c) { /* FULLWIDTH REVERSE SOLIDUS */
s1 = 0x2140;
} else if (c == 0xff5e) { /* FULLWIDTH TILDE */
s1 = 0x2141;
} else if (c == 0x2225) { /* PARALLEL TO */
s1 = 0x2142;
} else if (c == 0xff0d) { /* FULLWIDTH HYPHEN-MINUS */
s1 = 0x215d;
} else if (c == 0xffe0) { /* FULLWIDTH CENT SIGN */
s1 = 0x2171;
} else if (c == 0xffe1) { /* FULLWIDTH POUND SIGN */
s1 = 0x2172;
} else if (c == 0xffe2) { /* FULLWIDTH NOT SIGN */
s1 = 0x224c;
} else if (c == 0xff5e) { /* FULLWIDTH TILDE */
s1 = 0x2141;
} else {
s1 = -1;
c1 = 0;
c2 = cp932ext1_ucs_table_max - cp932ext1_ucs_table_min;
while (c1 < c2) { /* CP932 vendor ext1 (13ku) */
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) { /* CP932 vendor ext3 (115ku - 119ku) */
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) { /* latin */
CK((*filter->output_function)(s1, filter->data));
} else if (s1 < 0x100) { /* kana */
CK((*filter->output_function)(0x8e, filter->data));
CK((*filter->output_function)(s1, filter->data));
} else if (s1 < 0x8080) { /* X 0208 */
CK((*filter->output_function)(((s1 >> 8) & 0xff) | 0x80, filter->data));
CK((*filter->output_function)((s1 & 0xff) | 0x80, filter->data));
} else { /* X 0212 */
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: /* latin */
if (c >= 0 && c < 0x80) { /* ok */
;
} else if (c > 0xa0 && c < 0xff) { /* kanji first char */
filter->status = 1;
} else if (c == 0x8e) { /* kana first char */
filter->status = 2;
} else if (c == 0x8f) { /* X 0212 first char */
filter->status = 3;
} else { /* bad */
filter->flag = 1;
}
break;
case 1: /* got first half */
if (c < 0xa1 || c > 0xfe) { /* bad */
filter->flag = 1;
}
filter->status = 0;
break;
case 2: /* got 0x8e */
if (c < 0xa1 || c > 0xdf) { /* bad */
filter->flag = 1;
}
filter->status = 0;
break;
case 3: /* got 0x8f */
if (c < 0xa1 || c > 0xfe) { /* bad */
filter->flag = 1;
}
filter->status++;
break;
case 4: /* got 0x8f */
if (c < 0xa1 || c > 0xfe) { /* bad */
filter->flag = 1;
}
filter->status = 0;
break;
default:
filter->status = 0;
break;
}
return c;
}