diff options
Diffstat (limited to 'ext/mbstring/libmbfl/filters/mbfilter_sjis_open.c')
| -rw-r--r-- | ext/mbstring/libmbfl/filters/mbfilter_sjis_open.c | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/ext/mbstring/libmbfl/filters/mbfilter_sjis_open.c b/ext/mbstring/libmbfl/filters/mbfilter_sjis_open.c new file mode 100644 index 0000000000..38244a0ac9 --- /dev/null +++ b/ext/mbstring/libmbfl/filters/mbfilter_sjis_open.c @@ -0,0 +1,350 @@ +/* + * "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_sjis_open.h" + +#include "unicode_table_cp932_ext.h" +#include "unicode_table_jis.h" + +static int mbfl_filt_ident_sjis_open(int c, mbfl_identify_filter *filter); + +static const unsigned char mblen_table_sjis[] = { /* 0x80-0x9f,0xE0-0xFF */ + 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, 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, 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, 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 +}; + +static const char *mbfl_encoding_sjis_open_aliases[] = {"SJIS-open", "SJIS-ms", NULL}; + +const mbfl_encoding mbfl_encoding_sjis_open = { + mbfl_no_encoding_sjis_open, + "SJIS-win", + "Shift_JIS", + (const char *(*)[])&mbfl_encoding_sjis_open_aliases, + mblen_table_sjis, + MBFL_ENCTYPE_MBCS +}; + +const struct mbfl_identify_vtbl vtbl_identify_sjis_open = { + mbfl_no_encoding_sjis_open, + mbfl_filt_ident_common_ctor, + mbfl_filt_ident_common_dtor, + mbfl_filt_ident_sjis_open +}; + +const struct mbfl_convert_vtbl vtbl_sjis_open_wchar = { + mbfl_no_encoding_sjis_open, + mbfl_no_encoding_wchar, + mbfl_filt_conv_common_ctor, + mbfl_filt_conv_common_dtor, + mbfl_filt_conv_sjis_open_wchar, + mbfl_filt_conv_common_flush +}; + +const struct mbfl_convert_vtbl vtbl_wchar_sjis_open = { + mbfl_no_encoding_wchar, + mbfl_no_encoding_sjis_open, + mbfl_filt_conv_common_ctor, + mbfl_filt_conv_common_dtor, + mbfl_filt_conv_wchar_sjis_open, + mbfl_filt_conv_common_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-win => wchar + */ +int +mbfl_filt_conv_sjis_open_wchar(int c, mbfl_convert_filter *filter) +{ + int c1, s, s1, s2, w; + + switch (filter->status) { + case 0: + if (c >= 0 && c < 0x80) { /* 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 { + 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 <= 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 >= cp932ext2_ucs_table_min && s < cp932ext2_ucs_table_max) { /* vendor ext2 (89ku - 92ku) */ + w = cp932ext2_ucs_table[s - cp932ext2_ucs_table_min]; + } else if (s >= cp932ext3_ucs_table_min && s < cp932ext3_ucs_table_max) { /* vendor ext3 (115ku - 119ku) */ + w = cp932ext3_ucs_table[s - cp932ext3_ucs_table_min]; + } else if (s >= (94*94) && s < (114*94)) { /* user (95ku - 114ku) */ + w = s - (94*94) + 0xe000; + } + } + 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-win + */ +int +mbfl_filt_conv_wchar_sjis_open(int c, mbfl_convert_filter *filter) +{ + int c1, c2, s1, s2; + + s1 = 0; + s2 = 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 + 20*94)) { /* user (95ku - 114ku) */ + s1 = c - 0xe000; + c1 = s1/94 + 0x7f; + c2 = s1%94 + 0x21; + s1 = (c1 << 8) | c2; + s2 = 1; + } + 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 == 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; + } + } + if ((s1 <= 0) || (s1 >= 0x8080 && s2 == 0)) { /* not found or X 0212 */ + s1 = -1; + c1 = 0; + c2 = cp932ext1_ucs_table_max - cp932ext1_ucs_table_min; + while (c1 < c2) { /* CP932 vendor ext1 (13ku) */ + if (c == cp932ext1_ucs_table[c1]) { + s1 = ((c1/94 + 0x2d) << 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]) { + s1 = ((c1/94 + 0x93) << 8) + (c1%94 + 0x21); + break; + } + c1++; + } + } + 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)); + } + } + + return c; +} + +static int mbfl_filt_ident_sjis_open(int c, mbfl_identify_filter *filter) +{ + if (filter->status) { /* kanji second char */ + if (c < 0x40 || c > 0xfc || c == 0x7f) { /* bad */ + filter->flag = 1; + } + filter->status = 0; + } else if (c >= 0 && c < 0x80) { /* latin ok */ + ; + } else if (c > 0xa0 && c < 0xe0) { /* kana ok */ + ; + } else if (c > 0x80 && c < 0xfd && c != 0xa0) { /* kanji first char */ + filter->status = 1; + } else { /* bad */ + filter->flag = 1; + } + + return c; +} + + |