/*
* "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_sjis_open.c
* by Rui Hirokawa <hirokawa@php.net> on 25 July 2011.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "mbfilter.h"
#include "mbfilter_sjis_mac.h"
#include "unicode_table_cp932_ext.h"
#include "unicode_table_jis.h"
#include "sjis_mac2uni.h"
extern int mbfl_filt_ident_sjis(int c, mbfl_identify_filter *filter);
extern const unsigned char mblen_table_sjis[];
static int mbfl_filt_conv_sjis_mac_flush(mbfl_convert_filter *filter);
static const char *mbfl_encoding_sjis_mac_aliases[] = {"MacJapanese", "x-Mac-Japanese", NULL};
const mbfl_encoding mbfl_encoding_sjis_mac = {
mbfl_no_encoding_sjis_mac,
"SJIS-mac",
"Shift_JIS",
(const char *(*)[])&mbfl_encoding_sjis_mac_aliases,
mblen_table_sjis,
MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE
};
const struct mbfl_identify_vtbl vtbl_identify_sjis_mac = {
mbfl_no_encoding_sjis_mac,
mbfl_filt_ident_common_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_sjis
};
const struct mbfl_convert_vtbl vtbl_sjis_mac_wchar = {
mbfl_no_encoding_sjis_mac,
mbfl_no_encoding_wchar,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_sjis_mac_wchar,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_wchar_sjis_mac = {
mbfl_no_encoding_wchar,
mbfl_no_encoding_sjis_mac,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_wchar_sjis_mac,
mbfl_filt_conv_sjis_mac_flush
};
#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
#define SJIS_ENCODE(c1,c2,s1,s2) \
do { \
s1 = c1; \
s1--; \
s1 >>= 1; \
if ((c1) < 0x5f) { \
s1 += 0x71; \
} else { \
s1 += 0xb1; \
} \
s2 = c2; \
if ((c1) & 1) { \
if ((c2) < 0x60) { \
s2--; \
} \
s2 += 0x20; \
} else { \
s2 += 0x7e; \
} \
} while (0)
#define SJIS_DECODE(c1,c2,s1,s2) \
do { \
s1 = c1; \
if (s1 < 0xa0) { \
s1 -= 0x81; \
} else { \
s1 -= 0xc1; \
} \
s1 <<= 1; \
s1 += 0x21; \
s2 = c2; \
if (s2 < 0x9f) { \
if (s2 < 0x7f) { \
s2++; \
} \
s2 -= 0x20; \
} else { \
s1++; \
s2 -= 0x7e; \
} \
} while (0)
/*
* SJIS-mac => wchar
*/
int
mbfl_filt_conv_sjis_mac_wchar(int c, mbfl_convert_filter *filter)
{
int i, j, n;
int c1, s, s1, s2, w;
switch (filter->status) {
case 0:
if (c >= 0 && c < 0x80 && c != 0x5c) { /* latin */
CK((*filter->output_function)(c, filter->data));
} else if (c > 0xa0 && c < 0xe0) { /* kana */
CK((*filter->output_function)(0xfec0 + c, filter->data));
} else if (c > 0x80 && c < 0xfd && c != 0xa0) { /* kanji first char */
filter->status = 1;
filter->cache = c;
} else if (c == 0x5c) {
CK((*filter->output_function)(0x00a5, filter->data));
} else if (c == 0x80) {
CK((*filter->output_function)(0x005c, filter->data));
} else if (c == 0xa0) {
CK((*filter->output_function)(0x00a0, filter->data));
} else if (c == 0xfd) {
CK((*filter->output_function)(0x00a9, filter->data));
} else if (c == 0xfe) {
CK((*filter->output_function)(0x2122, filter->data));
} else if (c == 0xff) {
CK((*filter->output_function)(0x2026, filter->data));
CK((*filter->output_function)(0xf87f, filter->data));
} else {
w = c & MBFL_WCSGROUP_MASK;
w |= MBFL_WCSGROUP_THROUGH;
CK((*filter->output_function)(w, filter->data));
}
break;
case 1: /* kanji second char */
filter->status = 0;
c1 = filter->cache;
if (c >= 0x40 && c <= 0xfc && c != 0x7f) {
w = 0;
SJIS_DECODE(c1, c, s1, s2);
s = (s1 - 0x21)*94 + s2 - 0x21;
if (s <= 0x89) {
if (s == 0x1c) {
w = 0x2014; /* EM DASH */
} else if (s == 0x1f) {
w = 0xff3c; /* FULLWIDTH REVERSE SOLIDUS */
} else if (s == 0x20) {
w = 0x301c; /* FULLWIDTH TILDE */
} else if (s == 0x21) {
w = 0x2016; /* PARALLEL TO */
} else if (s == 0x3c) {
w = 0x2212; /* FULLWIDTH HYPHEN-MINUS */
} else if (s == 0x50) {
w = 0x00a2; /* FULLWIDTH CENT SIGN */
} else if (s == 0x51) {
w = 0x00a3; /* FULLWIDTH POUND SIGN */
} else if (s == 0x89) {
w = 0x00ac; /* FULLWIDTH NOT SIGN */
}
}
/* apple gaiji area 0x8540 - 0x886d */
if (w == 0) {
for (i=0; i<7; i++) {
if (s >= code_tbl[i][0] && s <= code_tbl[i][1]) {
w = s - code_tbl[i][0] + code_tbl[i][2];
break;
}
}
}
if (w == 0) {
for (i=0; i<code_tbl_m_len; i++) {
if (s == code_tbl_m[i][0]) {
if (code_tbl_m[i][1] == 0xf860) {
n = 4;
} else if (code_tbl_m[i][1] == 0xf861) {
n = 5;
} else {
n = 6;
}
for (j=1; j<n-1; j++) {
CK((*filter->output_function)(code_tbl_m[i][j], filter->data));
}
w = code_tbl_m[i][n-1];
break;
}
}
}
if (w == 0) {
for (i=0; i<8; i++) {
if (s >= code_ofst_tbl[i][0] && s <= code_ofst_tbl[i][1]) {
w = code_map[i][s - code_ofst_tbl[i][0]];
s2 = 0;
if (s >= 0x043e && s <= 0x0441) {
s2 = 0xf87a;
} else if (s == 0x03b1 || s == 0x03b7) {
s2 = 0xf87f;
} else if (s == 0x04b8 || s == 0x04b9 || s == 0x04c4) {
s2 = 0x20dd;
} else if (s == 0x1ed9 || s == 0x1eda || s == 0x1ee8 || s == 0x1ef3 ||
(s >= 0x1ef5 && s <= 0x1efb) || s == 0x1f05 || s == 0x1f06 ||
s == 0x1f18 || (s >= 0x1ff2 && s <= 0x20a5)) {
s2 = 0xf87e;
}
if (s2 > 0) {
CK((*filter->output_function)(w, filter->data));
w = s2;
}
break;
}
}
}
if (w == 0 && s >= 0 && s < jisx0208_ucs_table_size) { /* X 0208 */
w = jisx0208_ucs_table[s];
}
if (w <= 0) {
w = (s1 << 8) | s2;
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;
default:
filter->status = 0;
break;
}
return c;
}
/*
* wchar => SJIS-mac
*/
int
mbfl_filt_conv_wchar_sjis_mac(int c, mbfl_convert_filter *filter)
{
int i;
int c1, c2, s1, s2, mode;
s1 = 0;
s2 = 0;
// a1: U+0000 -> U+046F
// a2: U+2000 -> U+30FF
// i: U+4E00 -> U+9FFF
// r: U+FF00 -> U+FFFF
switch (filter->status) {
case 1:
c1 = filter->cache;
filter->cache = 0;
filter->status = 0;
s1 = 0;
s2 = 0;
if (c == 0xf87a) {
for (i=0;i<4;i++) {
if (c1 == s_form_tbl[i+34+3+3]) {
s1 = s_form_sjis_tbl[i+34+3+3];
break;
}
}
if (s1 <= 0) {
s2 = c1;
}
} else if (c == 0x20dd) {
for (i=0;i<3;i++) {
if (c1 == s_form_tbl[i+34+3]) {
s1 = s_form_sjis_tbl[i+34+3];
break;
}
}
if (s1 <= 0) {
s2 = c1;
}
} else if (c == 0xf87f) {
for (i=0;i<3;i++) {
if (c1 == s_form_tbl[i+34]) {
s1 = s_form_sjis_tbl[i+34];
break;
}
}
if (s1 <= 0) {
s2 = c1; s1 = -1;
}
} else if (c == 0xf87e) {
for (i=0;i<34;i++) {
if (c1 == s_form_tbl[i]) {
s1 = s_form_sjis_tbl[i];
break;
}
}
if (s1 <= 0) {
s2 = c1; s1 = -1;
}
} else {
s2 = c1;
s1 = c;
}
if (s2 > 0) {
for (i=0;i<s_form_tbl_len;i++) {
if (c1 == s_form_tbl[i]) {
s1 = s_form_sjis_fallback_tbl[i];
break;
}
}
}
if (s1 >= 0) {
if (s1 < 0x100) {
CK((*filter->output_function)(s1, filter->data));
} else {
CK((*filter->output_function)((s1 >> 8) & 0xff, filter->data));
CK((*filter->output_function)(s1 & 0xff, filter->data));
}
} else {
if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(c, filter));
}
}
if (s2 <= 0 || s1 == -1) {
break;
}
case 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];
if (c == 0x5c) {
s1 = 0x80;
} else if (c == 0xa9) {
s1 = 0xfd;
}
} 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];
if (c == 0x2122) {
s1 = 0xfe;
} else if (c == 0x2014) {
s1 = 0x213d;
} else if (c == 0x2116) {
s1 = 0x2c1d;
}
} 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];
}
if (c >= 0x2000) {
for (i=0;i<s_form_tbl_len;i++) {
if (c == s_form_tbl[i]) {
filter->status = 1;
filter->cache = c;
return c;
}
}
if (c == 0xf860 || c == 0xf861 || c == 0xf862) {
filter->status = 2;
filter->cache = c;
return c;
}
}
if (s1 <= 0) {
c1 = c & ~MBFL_WCSPLANE_MASK;
if (c1 == MBFL_WCSPLANE_WINCP932) {
s1 = c & MBFL_WCSPLANE_MASK;
s2 = 1;
} else if (c1 == MBFL_WCSPLANE_JIS0208) {
s1 = c & MBFL_WCSPLANE_MASK;
} else if (c1 == MBFL_WCSPLANE_JIS0212) {
s1 = c & MBFL_WCSPLANE_MASK;
s1 |= 0x8080;
} else if (c == 0xa0) {
s1 = 0x00a0;
} else if (c == 0xa5) { /* YEN SIGN */
s1 = 0x216f; /* FULLWIDTH YEN SIGN */
} else if (c == 0xff3c) { /* FULLWIDTH REVERSE SOLIDUS */
s1 = 0x2140;
}
}
if (s1 <= 0) {
for (i=0; i<wchar2sjis_mac_r_tbl_len; i++) {
if (c >= wchar2sjis_mac_r_tbl[i][0] && c <= wchar2sjis_mac_r_tbl[i][1]) {
s1 = c - wchar2sjis_mac_r_tbl[i][0] + wchar2sjis_mac_r_tbl[i][2];
break;
}
}
if (s1 <= 0) {
for (i=0; i<wchar2sjis_mac_r_map_len; i++) {
if (c >= wchar2sjis_mac_r_map[i][0] && c <= wchar2sjis_mac_r_map[i][1]) {
s1 = wchar2sjis_mac_code_map[i][c-wchar2sjis_mac_r_map[i][0]];
break;
}
}
}
if (s1 <= 0) {
for (i=0; i<wchar2sjis_mac_wchar_tbl_len ; i++) {
if ( c == wchar2sjis_mac_wchar_tbl[i][0]) {
s1 = wchar2sjis_mac_wchar_tbl[i][1] & 0xffff;
break;
}
}
}
if (s1 > 0) {
c1 = s1/94+0x21;
c2 = s1-94*(c1-0x21)+0x21;
s1 = (c1 << 8) | c2;
s2 = 1;
}
}
if ((s1 <= 0) || (s1 >= 0x8080 && s2 == 0)) { /* not found or X 0212 */
s1 = -1;
c1 = 0;
if (c == 0) {
s1 = 0;
} else if (s1 <= 0) {
s1 = -1;
}
}
if (s1 >= 0) {
if (s1 < 0x100) { /* latin or kana */
CK((*filter->output_function)(s1, filter->data));
} else { /* kanji */
c1 = (s1 >> 8) & 0xff;
c2 = s1 & 0xff;
SJIS_ENCODE(c1, c2, s1, s2);
CK((*filter->output_function)(s1, filter->data));
CK((*filter->output_function)(s2, filter->data));
}
} else {
if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(c, filter));
}
}
break;
case 2:
c1 = filter->cache;
filter->cache = 0;
filter->status = 0;
if (c1 == 0xf860) {
for (i=0; i<5; i++) {
if (c == code_tbl_m[i][2]) {
filter->cache = c | 0x10000;
filter->status = 3;
break;
}
}
} else if (c1 == 0xf861) {
for (i=0; i<3; i++) {
if (c == code_tbl_m[i+5][2]) {
filter->cache = c | 0x20000;
filter->status = 3;
break;
}
}
} else if (c1 == 0xf862) {
for (i=0; i<4; i++) {
if (c == code_tbl_m[i+5+3][2]) {
filter->cache = c | 0x40000;
filter->status = 3;
break;
}
}
}
if (filter->status == 0 && filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(c1, filter));
CK(mbfl_filt_conv_illegal_output(c, filter));
}
break;
case 3:
s1 = 0;
c1 = filter->cache & 0xffff;
mode = (filter->cache & 0xf0000) >> 16;
filter->cache = 0;
filter->status = 0;
if (mode == 0x1) {
for (i=0; i<5; i++) {
if (c1 == code_tbl_m[i][2] && c == code_tbl_m[i][3]) {
s1 = code_tbl_m[i][0];
break;
}
}
if (s1 > 0) {
c1 = s1/94+0x21;
c2 = s1-94*(c1-0x21)+0x21;
SJIS_ENCODE(c1, c2, s1, s2);
CK((*filter->output_function)(s1, filter->data));
CK((*filter->output_function)(s2, filter->data));
}
if (s1 <= 0 && filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(0xf860, filter));
CK(mbfl_filt_conv_illegal_output(c1, filter));
CK(mbfl_filt_conv_illegal_output(c, filter));
}
} else if (mode == 0x2) {
for (i=0; i<3; i++) {
if (c1 == code_tbl_m[i+5][2] && c == code_tbl_m[i+5][3]) {
filter->cache = c | 0x20000;
filter->status = 4;
break;
}
}
} else if (mode == 0x4) {
for (i=0; i<4; i++) {
if (c1 == code_tbl_m[i+8][2] && c == code_tbl_m[i+8][3]) {
filter->cache = c | 0x40000;
filter->status = 4;
break;
}
}
}
break;
case 4:
s1 = 0;
c1 = filter->cache & 0xffff;
mode = (filter->cache & 0xf0000) >> 16;
filter->cache = 0;
filter->status = 0;
if (mode == 0x2) {
for (i=0; i<3; i++) {
if (c1 == code_tbl_m[i+5][3] && c == code_tbl_m[i+5][4]) {
s1 = code_tbl_m[i+5][0];
break;
}
}
if (s1 > 0) {
c1 = s1/94+0x21;
c2 = s1-94*(c1-0x21)+0x21;
SJIS_ENCODE(c1, c2, s1, s2);
CK((*filter->output_function)(s1, filter->data));
CK((*filter->output_function)(s2, filter->data));
}
if (s1 <= 0 && filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(0xf861, filter));
for (i=0; i<3; i++) {
if (c1 == code_tbl_m[i+5][3]) {
CK(mbfl_filt_conv_illegal_output(code_tbl_m[i+5][2], filter));
break;
}
}
CK(mbfl_filt_conv_illegal_output(c1, filter));
CK(mbfl_filt_conv_illegal_output(c, filter));
}
} else if (mode == 0x4) {
for (i=0; i<4; i++) {
if (c1 == code_tbl_m[i+8][3] && c == code_tbl_m[i+8][4]) {
filter->cache = c | 0x40000;
filter->status = 5;
break;
}
}
}
break;
case 5:
s1 = 0;
c1 = filter->cache & 0xffff;
mode = (filter->cache & 0xf0000) >> 16;
filter->cache = 0;
filter->status = 0;
if (mode == 0x4) {
for (i=0; i<4; i++) {
if (c1 == code_tbl_m[i+8][4] && c == code_tbl_m[i+8][5]) {
s1 = code_tbl_m[i+8][0];
break;
}
}
if (s1 > 0) {
c1 = s1/94+0x21;
c2 = s1-94*(c1-0x21)+0x21;
SJIS_ENCODE(c1, c2, s1, s2);
CK((*filter->output_function)(s1, filter->data));
CK((*filter->output_function)(s2, filter->data));
}
if (s1 <= 0 && filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(0xf862, filter));
for (i=0; i<4; i++) {
if (c1 == code_tbl_m[i+8][4]) {
CK(mbfl_filt_conv_illegal_output( code_tbl_m[i+8][2], filter));
CK(mbfl_filt_conv_illegal_output( code_tbl_m[i+8][3], filter));
break;
}
}
CK(mbfl_filt_conv_illegal_output(c1, filter));
CK(mbfl_filt_conv_illegal_output(c, filter));
}
}
break;
default:
filter->status = 0;
break;
}
return c;
}
static int
mbfl_filt_conv_sjis_mac_flush(mbfl_convert_filter *filter)
{
int i, c1, s1 = 0;
if (filter->status == 1 && filter->cache > 0) {
c1 = filter->cache;
for (i=0;i<s_form_tbl_len;i++) {
if (c1 == s_form_tbl[i]) {
s1 = s_form_sjis_fallback_tbl[i];
break;
}
}
if (s1 > 0) {
CK((*filter->output_function)((s1 >> 8) & 0xff, filter->data));
CK((*filter->output_function)(s1 & 0xff, filter->data));
}
}
filter->cache = 0;
filter->status = 0;
if (filter->flush_function != NULL) {
return (*filter->flush_function)(filter->data);
}
return 0;
}