diff options
Diffstat (limited to 'ext/mbstring/libmbfl/filters/mbfilter_hz.c')
| -rw-r--r-- | ext/mbstring/libmbfl/filters/mbfilter_hz.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/ext/mbstring/libmbfl/filters/mbfilter_hz.c b/ext/mbstring/libmbfl/filters/mbfilter_hz.c deleted file mode 100644 index 7c7eaffc07..0000000000 --- a/ext/mbstring/libmbfl/filters/mbfilter_hz.c +++ /dev/null @@ -1,276 +0,0 @@ -/* - * "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_cn.c - * by moriyoshi koizumi <moriyoshi@php.net> on 4 dec 2002. - * - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "mbfilter.h" -#include "mbfilter_hz.h" - -#include "unicode_table_cp936.h" - -static int mbfl_filt_ident_hz(int c, mbfl_identify_filter *filter); - -const mbfl_encoding mbfl_encoding_hz = { - mbfl_no_encoding_hz, - "HZ", - "HZ-GB-2312", - NULL, - NULL, - MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_SHFTCODE -}; - -const struct mbfl_identify_vtbl vtbl_identify_hz = { - mbfl_no_encoding_hz, - mbfl_filt_ident_common_ctor, - mbfl_filt_ident_common_dtor, - mbfl_filt_ident_hz -}; - -const struct mbfl_convert_vtbl vtbl_hz_wchar = { - mbfl_no_encoding_hz, - mbfl_no_encoding_wchar, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_hz_wchar, - mbfl_filt_conv_common_flush -}; - -const struct mbfl_convert_vtbl vtbl_wchar_hz = { - mbfl_no_encoding_wchar, - mbfl_no_encoding_hz, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_wchar_hz, - mbfl_filt_conv_any_hz_flush -}; - -#define CK(statement) do { if ((statement) < 0) return (-1); } while (0) - -/* - * HZ => wchar - */ -int -mbfl_filt_conv_hz_wchar(int c, mbfl_convert_filter *filter) -{ - int c1, s, w; - - switch (filter->status & 0xf) { -/* case 0x00: ASCII */ -/* case 0x10: GB2312 */ - case 0: - if (c == 0x7e) { - filter->status += 2; - } else if (filter->status == 0x10 && c > 0x20 && c < 0x7f) { /* DBCS first char */ - filter->cache = c; - filter->status += 1; - } else if (c >= 0 && c < 0x80) { /* latin, CTLs */ - CK((*filter->output_function)(c, filter->data)); - } else { - w = c & MBFL_WCSGROUP_MASK; - w |= MBFL_WCSGROUP_THROUGH; - CK((*filter->output_function)(w, filter->data)); - } - break; - -/* case 0x11: GB2312 second char */ - case 1: - filter->status &= ~0xf; - c1 = filter->cache; - if (c1 > 0x20 && c1 < 0x7f && c > 0x20 && c < 0x7f) { - s = (c1 - 1)*192 + c + 0x40; /* GB2312 */ - if (s >= 0 && s < cp936_ucs_table_size) { - w = cp936_ucs_table[s]; - } else { - w = 0; - } - if (w <= 0) { - w = (c1 << 8) | c; - w &= MBFL_WCSPLANE_MASK; - w |= MBFL_WCSPLANE_GB2312; - } - 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: - if (c == 0x7d) { /* '}' */ - filter->status = 0x0; - } else if (c == 0x7b) { /* '{' */ - filter->status = 0x10; - } else if (c == 0x7e) { /* '~' */ - filter->status = 0x0; - CK((*filter->output_function)(0x007e, filter->data)); - } - break; - - default: - filter->status = 0; - break; - } - - return c; -} - -/* - * wchar => HZ - */ -int -mbfl_filt_conv_wchar_hz(int c, mbfl_convert_filter *filter) -{ - int s; - - s = 0; - if (c >= ucs_a1_cp936_table_min && c < ucs_a1_cp936_table_max) { - s = ucs_a1_cp936_table[c - ucs_a1_cp936_table_min]; - } else if (c >= ucs_a2_cp936_table_min && c < ucs_a2_cp936_table_max) { - s = ucs_a2_cp936_table[c - ucs_a2_cp936_table_min]; - } else if (c >= ucs_a3_cp936_table_min && c < ucs_a3_cp936_table_max) { - s = ucs_a3_cp936_table[c - ucs_a3_cp936_table_min]; - } else if (c >= ucs_i_cp936_table_min && c < ucs_i_cp936_table_max) { - s = ucs_i_cp936_table[c - ucs_i_cp936_table_min]; - } else if (c >= ucs_hff_cp936_table_min && c < ucs_hff_cp936_table_max) { - s = ucs_hff_cp936_table[c - ucs_hff_cp936_table_min]; - } - if (s & 0x8000) { - s -= 0x8080; - } - - if (s <= 0) { - if (c == 0) { - s = 0; - } else if (s <= 0) { - s = -1; - } - } else if ((s >= 0x80 && s < 0x2121) || (s > 0x8080)) { - s = -1; - } - if (s >= 0) { - if (s < 0x80) { /* ASCII */ - if ((filter->status & 0xff00) != 0) { - CK((*filter->output_function)(0x7e, filter->data)); /* '~' */ - CK((*filter->output_function)(0x7d, filter->data)); /* '}' */ - } - filter->status = 0; - if (s == 0x7e){ - CK((*filter->output_function)(0x7e, filter->data)); - } - CK((*filter->output_function)(s, filter->data)); - } else { /* GB 2312-80 */ - if ((filter->status & 0xff00) != 0x200) { - CK((*filter->output_function)(0x7e, filter->data)); /* '~' */ - CK((*filter->output_function)(0x7b, filter->data)); /* '{' */ - } - filter->status = 0x200; - CK((*filter->output_function)((s >> 8) & 0x7f, filter->data)); - CK((*filter->output_function)(s & 0x7f, filter->data)); - } - } else { - if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) { - CK(mbfl_filt_conv_illegal_output(c, filter)); - } - } - - return c; -} - -int -mbfl_filt_conv_any_hz_flush(mbfl_convert_filter *filter) -{ - /* back to latin */ - if ((filter->status & 0xff00) != 0) { - CK((*filter->output_function)(0x7e, filter->data)); /* ~ */ - CK((*filter->output_function)(0x7d, filter->data)); /* '{' */ - } - filter->status &= 0xff; - return 0; -} - -static int mbfl_filt_ident_hz(int c, mbfl_identify_filter *filter) -{ - switch (filter->status & 0xf) { -/* case 0x00: ASCII */ -/* case 0x10: GB2312 */ - case 0: - if (c == 0x7e) { - filter->status += 2; - } else if (filter->status == 0x10 && c > 0x20 && c < 0x7f) { /* DBCS first char */ - filter->status += 1; - } else if (c >= 0 && c < 0x80) { /* latin, CTLs */ - ; - } else { - filter->flag = 1; /* bad */ - } - break; - -/* case 0x11: GB2312 second char */ - case 1: - filter->status &= ~0xf; - if (c < 0x21 || c > 0x7e) { /* bad */ - filter->flag = 1; - } - break; - - case 2: - if (c == 0x7d) { /* '}' */ - filter->status = 0; - } else if (c == 0x7b) { /* '{' */ - filter->status = 0x10; - } else if (c == 0x7e) { /* '~' */ - filter->status = 0; - } else { - filter->flag = 1; /* bad */ - filter->status &= ~0xf; - } - break; - - default: - filter->status = 0; - break; - } - - return c; -} - - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - */ |