diff options
Diffstat (limited to 'ext/mbstring/libmbfl/filters/mbfilter_utf8.c')
| -rw-r--r-- | ext/mbstring/libmbfl/filters/mbfilter_utf8.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/ext/mbstring/libmbfl/filters/mbfilter_utf8.c b/ext/mbstring/libmbfl/filters/mbfilter_utf8.c deleted file mode 100644 index 8b95897eac..0000000000 --- a/ext/mbstring/libmbfl/filters/mbfilter_utf8.c +++ /dev/null @@ -1,269 +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.c - * by moriyoshi koizumi <moriyoshi@php.net> on 4 dec 2002. - * - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "mbfilter.h" -#include "mbfilter_utf8.h" - -static int mbfl_filt_ident_utf8(int c, mbfl_identify_filter *filter); - -static const unsigned char mblen_table_utf8[] = { - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 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, - 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, - 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 1, 1 -}; - -static const char *mbfl_encoding_utf8_aliases[] = {"utf8", NULL}; - -const mbfl_encoding mbfl_encoding_utf8 = { - mbfl_no_encoding_utf8, - "UTF-8", - "UTF-8", - (const char *(*)[])&mbfl_encoding_utf8_aliases, - mblen_table_utf8, - MBFL_ENCTYPE_MBCS -}; - -const struct mbfl_identify_vtbl vtbl_identify_utf8 = { - mbfl_no_encoding_utf8, - mbfl_filt_ident_common_ctor, - mbfl_filt_ident_common_dtor, - mbfl_filt_ident_utf8 -}; - -const struct mbfl_convert_vtbl vtbl_utf8_wchar = { - mbfl_no_encoding_utf8, - mbfl_no_encoding_wchar, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_utf8_wchar, - mbfl_filt_conv_common_flush -}; - -const struct mbfl_convert_vtbl vtbl_wchar_utf8 = { - mbfl_no_encoding_wchar, - mbfl_no_encoding_utf8, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_wchar_utf8, - mbfl_filt_conv_common_flush -}; - -#define CK(statement) do { if ((statement) < 0) return (-1); } while (0) - -/* - * UTF-8 => wchar - */ -int mbfl_filt_conv_utf8_wchar(int c, mbfl_convert_filter *filter) -{ - int s; - - if (c < 0x80) { - if (c >= 0) { - CK((*filter->output_function)(c, filter->data)); - } - filter->status = 0; - } else if (c < 0xc0) { - switch (filter->status & 0xff) { - case 0x10: /* 2byte code 2nd char */ - case 0x21: /* 3byte code 3rd char */ - case 0x32: /* 4byte code 4th char */ - case 0x43: /* 5byte code 5th char */ - case 0x54: /* 6byte code 6th char */ - filter->status = 0; - s = filter->cache | (c & 0x3f); - if (s >= 0x80) { - CK((*filter->output_function)(s, filter->data)); - } - break; - case 0x20: /* 3byte code 2nd char */ - case 0x31: /* 4byte code 3rd char */ - case 0x42: /* 5byte code 4th char */ - case 0x53: /* 6byte code 5th char */ - filter->cache |= ((c & 0x3f) << 6); - filter->status++; - break; - case 0x30: /* 4byte code 2nd char */ - case 0x41: /* 5byte code 3rd char */ - case 0x52: /* 6byte code 4th char */ - filter->cache |= ((c & 0x3f) << 12); - filter->status++; - break; - case 0x40: /* 5byte code 2nd char */ - case 0x51: /* 6byte code 3rd char */ - filter->cache |= ((c & 0x3f) << 18); - filter->status++; - break; - case 0x50: /* 6byte code 2nd char */ - filter->cache |= ((c & 0x3f) << 24); - filter->status++; - break; - default: - filter->status = 0; - break; - } - } else if (c < 0xe0) { /* 2byte code first char */ - filter->status = 0x10; - filter->cache = (c & 0x1f) << 6; - } else if (c < 0xf0) { /* 3byte code first char */ - filter->status = 0x20; - filter->cache = (c & 0xf) << 12; - } else if (c < 0xf8) { /* 4byte code first char */ - filter->status = 0x30; - filter->cache = (c & 0x7) << 18; - } else if (c < 0xfc) { /* 5byte code first char */ - filter->status = 0x40; - filter->cache = (c & 0x3) << 24; - } else if (c < 0xfe) { /* 6 byte code first char */ - filter->status = 0x50; - filter->cache = (c & 0x1) << 30; - } else { - filter->status = 0; - filter->cache = 0; - } - - return c; -} - -/* - * wchar => UTF-8 - */ -int mbfl_filt_conv_wchar_utf8(int c, mbfl_convert_filter *filter) -{ - if (c >= 0 && c < MBFL_WCSGROUP_UCS4MAX) { - 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 if (c < 0x200000) { - 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 (c < 0x4000000) { - CK((*filter->output_function)(((c >> 24) & 0x03) | 0xf8, filter->data)); - CK((*filter->output_function)(((c >> 18) & 0x3f) | 0x80, 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 { - CK((*filter->output_function)(((c >> 30) & 0x01) | 0xfc, filter->data)); - CK((*filter->output_function)(((c >> 24) & 0x3f) | 0x80, filter->data)); - CK((*filter->output_function)(((c >> 18) & 0x3f) | 0x80, 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; -} - -static int mbfl_filt_ident_utf8(int c, mbfl_identify_filter *filter) -{ - if (c < 0x80) { - if (c < 0) { - filter->flag = 1; /* bad */ - } else if (c != 0 && filter->status) { - filter->flag = 1; /* bad */ - } - filter->status = 0; - } else if (c < 0xc0) { - switch (filter->status) { - case 0x20: /* 3 byte code 2nd char */ - case 0x30: /* 4 byte code 2nd char */ - case 0x31: /* 4 byte code 3rd char */ - case 0x40: /* 5 byte code 2nd char */ - case 0x41: /* 5 byte code 3rd char */ - case 0x42: /* 5 byte code 4th char */ - case 0x50: /* 6 byte code 2nd char */ - case 0x51: /* 6 byte code 3rd char */ - case 0x52: /* 6 byte code 4th char */ - case 0x53: /* 6 byte code 5th char */ - filter->status++; - break; - case 0x10: /* 2 byte code 2nd char */ - case 0x21: /* 3 byte code 3rd char */ - case 0x32: /* 4 byte code 4th char */ - case 0x43: /* 5 byte code 5th char */ - case 0x54: /* 6 byte code 6th char */ - filter->status = 0; - break; - default: - filter->flag = 1; /* bad */ - filter->status = 0; - break; - } - } else { - if (filter->status) { - filter->flag = 1; /* bad */ - } - filter->status = 0; - if (c < 0xe0) { /* 2 byte code first char */ - filter->status = 0x10; - } else if (c < 0xf0) { /* 3 byte code 1st char */ - filter->status = 0x20; - } else if (c < 0xf8) { /* 4 byte code 1st char */ - filter->status = 0x30; - } else if (c < 0xfc) { /* 5 byte code 1st char */ - filter->status = 0x40; - } else if (c < 0xfe) { /* 6 byte code 1st char */ - filter->status = 0x50; - } else { - filter->flag = 1; /* bad */ - } - } - - return c; -} |