/*
* "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.c
* by rui hrokawa <hirokawa@php.net> on 8 aug 2011.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "mbfilter.h"
#include "mbfilter_utf8_mobile.h"
#include "mbfilter_sjis_mobile.h"
extern int mbfl_filt_ident_utf8(int c, mbfl_identify_filter *filter);
extern const unsigned char mblen_table_utf8[];
static const char *mbfl_encoding_utf8_docomo_aliases[] = {"UTF-8-DOCOMO", "UTF8-DOCOMO", NULL};
static const char *mbfl_encoding_utf8_kddi_a_aliases[] = {NULL};
static const char *mbfl_encoding_utf8_kddi_b_aliases[] = {"UTF-8-Mobile#KDDI", "UTF-8-KDDI", "UTF8-KDDI", NULL};
static const char *mbfl_encoding_utf8_sb_aliases[] = {"UTF-8-SOFTBANK", "UTF8-SOFTBANK", NULL};
const mbfl_encoding mbfl_encoding_utf8_docomo = {
mbfl_no_encoding_utf8_docomo,
"UTF-8-Mobile#DOCOMO",
"UTF-8",
(const char *(*)[])&mbfl_encoding_utf8_docomo_aliases,
mblen_table_utf8,
MBFL_ENCTYPE_MBCS
};
const mbfl_encoding mbfl_encoding_utf8_kddi_a = {
mbfl_no_encoding_utf8_kddi_a,
"UTF-8-Mobile#KDDI-A",
"UTF-8",
(const char *(*)[])&mbfl_encoding_utf8_kddi_a_aliases,
mblen_table_utf8,
MBFL_ENCTYPE_MBCS
};
const mbfl_encoding mbfl_encoding_utf8_kddi_b = {
mbfl_no_encoding_utf8_kddi_b,
"UTF-8-Mobile#KDDI-B",
"UTF-8",
(const char *(*)[])&mbfl_encoding_utf8_kddi_b_aliases,
mblen_table_utf8,
MBFL_ENCTYPE_MBCS
};
const mbfl_encoding mbfl_encoding_utf8_sb = {
mbfl_no_encoding_utf8_sb,
"UTF-8-Mobile#SOFTBANK",
"UTF-8",
(const char *(*)[])&mbfl_encoding_utf8_sb_aliases,
mblen_table_utf8,
MBFL_ENCTYPE_MBCS
};
const struct mbfl_identify_vtbl vtbl_identify_utf8_docomo = {
mbfl_no_encoding_utf8_docomo,
mbfl_filt_ident_common_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_utf8
};
const struct mbfl_identify_vtbl vtbl_identify_utf8_kddi_a = {
mbfl_no_encoding_utf8_kddi_a,
mbfl_filt_ident_common_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_utf8
};
const struct mbfl_identify_vtbl vtbl_identify_utf8_kddi_b = {
mbfl_no_encoding_utf8_kddi_b,
mbfl_filt_ident_common_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_utf8
};
const struct mbfl_identify_vtbl vtbl_identify_utf8_sb = {
mbfl_no_encoding_utf8_sb,
mbfl_filt_ident_common_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_utf8
};
const struct mbfl_convert_vtbl vtbl_utf8_docomo_wchar = {
mbfl_no_encoding_utf8_docomo,
mbfl_no_encoding_wchar,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_utf8_mobile_wchar,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_wchar_utf8_docomo = {
mbfl_no_encoding_wchar,
mbfl_no_encoding_utf8_docomo,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_wchar_utf8_mobile,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_utf8_kddi_a_wchar = {
mbfl_no_encoding_utf8_kddi_a,
mbfl_no_encoding_wchar,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_utf8_mobile_wchar,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_wchar_utf8_kddi_a = {
mbfl_no_encoding_wchar,
mbfl_no_encoding_utf8_kddi_a,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_wchar_utf8_mobile,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_utf8_kddi_b_wchar = {
mbfl_no_encoding_utf8_kddi_b,
mbfl_no_encoding_wchar,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_utf8_mobile_wchar,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_wchar_utf8_kddi_b = {
mbfl_no_encoding_wchar,
mbfl_no_encoding_utf8_kddi_b,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_wchar_utf8_mobile,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_utf8_sb_wchar = {
mbfl_no_encoding_utf8_sb,
mbfl_no_encoding_wchar,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_utf8_mobile_wchar,
mbfl_filt_conv_common_flush
};
const struct mbfl_convert_vtbl vtbl_wchar_utf8_sb = {
mbfl_no_encoding_wchar,
mbfl_no_encoding_utf8_sb,
mbfl_filt_conv_common_ctor,
mbfl_filt_conv_common_dtor,
mbfl_filt_conv_wchar_utf8_mobile,
mbfl_filt_conv_common_flush
};
#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
/*
* UTF-8 => wchar
*/
int mbfl_filt_conv_utf8_mobile_wchar(int c, mbfl_convert_filter *filter)
{
int s, w = 0, flag = 0;
int s1 = 0, c1 = 0, snd = 0;
if (c < 0x80) {
if (c >= 0) {
CK((*filter->output_function)(c, filter->data));
}
filter->status = 0;
} else if (c < 0xc0) {
int status = filter->status & 0xff;
switch (status) {
case 0x10: /* 2byte code 2nd char: 0x80-0xbf */
case 0x21: /* 3byte code 3rd char: 0x80-0xbf */
case 0x32: /* 4byte code 4th char: 0x80-0xbf */
filter->status = 0;
s = filter->cache | (c & 0x3f);
filter->cache = 0;
if ((status == 0x10 && s >= 0x80) ||
(status == 0x21 && s >= 0x800 && (s < 0xd800 || s > 0xdfff)) ||
(status == 0x32 && s >= 0x10000 && s < 0x110000)) {
if (filter->from->no_encoding == mbfl_no_encoding_utf8_docomo &&
mbfilter_conv_r_map_tbl(s, &s1, mbfl_docomo2uni_pua, 4) > 0) {
s = mbfilter_sjis_emoji_docomo2unicode(s1, &snd);
} else if (filter->from->no_encoding == mbfl_no_encoding_utf8_kddi_a &&
mbfilter_conv_r_map_tbl(s, &s1, mbfl_kddi2uni_pua, 7) > 0) {
s = mbfilter_sjis_emoji_kddi2unicode(s1, &snd);
} else if (filter->from->no_encoding == mbfl_no_encoding_utf8_kddi_b &&
mbfilter_conv_r_map_tbl(s, &s1, mbfl_kddi2uni_pua_b, 8) > 0) {
s = mbfilter_sjis_emoji_kddi2unicode(s1, &snd);
} else if (filter->from->no_encoding == mbfl_no_encoding_utf8_sb &&
mbfilter_conv_r_map_tbl(s, &s1, mbfl_sb2uni_pua, 6) > 0) {
s = mbfilter_sjis_emoji_sb2unicode(s1, &snd);
}
if (snd > 0) {
CK((*filter->output_function)(snd, filter->data));
}
CK((*filter->output_function)(s, filter->data));
} else {
w = s & MBFL_WCSGROUP_MASK;
flag = 1;
}
break;
case 0x20: /* 3byte code 2nd char: 0:0xa0-0xbf,D:0x80-9F,1-C,E-F:0x80-0x9f */
s = filter->cache | ((c & 0x3f) << 6);
c1 = (s >> 12) & 0xf;
if ((c1 == 0x0 && c >= 0xa0) ||
(c1 == 0xd && c < 0xa0) ||
(c1 > 0x0 && c1 != 0xd)) {
filter->cache = s;
filter->status++;
} else {
w = s & MBFL_WCSGROUP_MASK;
flag = 1;
}
break;
case 0x31: /* 4byte code 3rd char: 0x80-0xbf */
filter->cache |= ((c & 0x3f) << 6);
filter->status++;
break;
case 0x30: /* 4byte code 2nd char: 0:0x90-0xbf,1-3:0x80-0xbf,4:0x80-0x8f */
s = filter->cache | ((c & 0x3f) << 12);
c1 = (s >> 18) & 0x7;
if ((c1 == 0x0 && c >= 0x90) ||
(c1 > 0x0 && c1 < 0x4) ||
(c1 == 0x4 && c < 0x90)) {
filter->cache = s;
filter->status++;
} else {
w = s & MBFL_WCSGROUP_MASK;
flag = 1;
}
break;
default:
w = c & MBFL_WCSGROUP_MASK;
flag = 1;
break;
}
} else if (c < 0xc2) { /* invalid: 0xc0,0xc1 */
w = c & MBFL_WCSGROUP_MASK;
flag = 1;
} else if (c < 0xe0) { /* 2byte code first char: 0xc2-0xdf */
if (filter->status == 0x0) {
filter->status = 0x10;
filter->cache = (c & 0x1f) << 6;
} else {
w = c & MBFL_WCSGROUP_MASK;
flag = 1;
}
} else if (c < 0xf0) { /* 3byte code first char: 0xe0-0xef */
if (filter->status == 0x0) {
filter->status = 0x20;
filter->cache = (c & 0xf) << 12;
} else {
w = c & MBFL_WCSGROUP_MASK;
flag = 1;
}
} else if (c < 0xf5) { /* 4byte code first char: 0xf0-0xf4 */
if (filter->status == 0x0) {
filter->status = 0x30;
filter->cache = (c & 0x7) << 18;
} else {
w = c & MBFL_WCSGROUP_MASK;
flag = 1;
}
} else {
w = c & MBFL_WCSGROUP_MASK;
flag = 1;
}
if (flag) {
w |= MBFL_WCSGROUP_THROUGH;
CK((*filter->output_function)(w, filter->data));
filter->status = 0;
filter->cache = 0;
}
return c;
}
/*
* wchar => UTF-8
*/
int mbfl_filt_conv_wchar_utf8_mobile(int c, mbfl_convert_filter *filter)
{
if (c >= 0 && c < 0x110000) {
int s1, c1;
if ((filter->to->no_encoding == mbfl_no_encoding_utf8_docomo &&
mbfilter_unicode2sjis_emoji_docomo(c, &s1, filter) > 0 &&
mbfilter_conv_map_tbl(s1, &c1, mbfl_docomo2uni_pua, 4) > 0) ||
(filter->to->no_encoding == mbfl_no_encoding_utf8_kddi_a &&
mbfilter_unicode2sjis_emoji_kddi(c, &s1, filter) > 0 &&
mbfilter_conv_map_tbl(s1, &c1, mbfl_kddi2uni_pua, 7) > 0) ||
(filter->to->no_encoding == mbfl_no_encoding_utf8_kddi_b &&
mbfilter_unicode2sjis_emoji_kddi(c, &s1, filter) > 0 &&
mbfilter_conv_map_tbl(s1, &c1, mbfl_kddi2uni_pua_b, 8) > 0) ||
(filter->to->no_encoding == mbfl_no_encoding_utf8_sb &&
mbfilter_unicode2sjis_emoji_sb(c, &s1, filter) > 0 &&
mbfilter_conv_map_tbl(s1, &c1, mbfl_sb2uni_pua, 6) > 0)) {
c = c1;
}
if (filter->status == 1 && filter->cache > 0) {
return c;
}
if (c < 0x80) {
CK((*filter->output_function)(c, filter->data));
} else if (c < 0x800) {
CK((*filter->output_function)(((c >> 6) & 0x1f) | 0xc0, filter->data));
CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
} else if (c < 0x10000) {
CK((*filter->output_function)(((c >> 12) & 0x0f) | 0xe0, filter->data));
CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data));
CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
} else {
CK((*filter->output_function)(((c >> 18) & 0x07) | 0xf0, filter->data));
CK((*filter->output_function)(((c >> 12) & 0x3f) | 0x80, filter->data));
CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data));
CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
}
} else {
if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
CK(mbfl_filt_conv_illegal_output(c, filter));
}
}
return c;
}
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