diff options
Diffstat (limited to 'ext/mbstring/libmbfl/filters/mbfilter_utf7imap.c')
-rw-r--r-- | ext/mbstring/libmbfl/filters/mbfilter_utf7imap.c | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/ext/mbstring/libmbfl/filters/mbfilter_utf7imap.c b/ext/mbstring/libmbfl/filters/mbfilter_utf7imap.c deleted file mode 100644 index b32095cd33..0000000000 --- a/ext/mbstring/libmbfl/filters/mbfilter_utf7imap.c +++ /dev/null @@ -1,372 +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_utf7imap.h" - -const mbfl_encoding mbfl_encoding_utf7imap = { - mbfl_no_encoding_utf7imap, - "UTF7-IMAP", - NULL, - NULL, - NULL, - MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_SHFTCODE -}; - -const struct mbfl_convert_vtbl vtbl_utf7imap_wchar = { - mbfl_no_encoding_utf7imap, - mbfl_no_encoding_wchar, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_utf7imap_wchar, - mbfl_filt_conv_common_flush }; - -const struct mbfl_convert_vtbl vtbl_wchar_utf7imap = { - mbfl_no_encoding_wchar, - mbfl_no_encoding_utf7imap, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_wchar_utf7imap, - mbfl_filt_conv_wchar_utf7imap_flush }; - -#define CK(statement) do { if ((statement) < 0) return (-1); } while (0) - -/* - * UTF7-IMAP => wchar - */ -int mbfl_filt_conv_utf7imap_wchar(int c, mbfl_convert_filter *filter) -{ - int s, n; - - n = -1; - if (filter->status != 0) { /* Modified Base64 */ - if (c >= 0x41 && c <= 0x5a) { /* A - Z */ - n = c - 65; - } else if (c >= 0x61 && c <= 0x7a) { /* a - z */ - n = c - 71; - } else if (c >= 0x30 && c <= 0x39) { /* 0 - 9 */ - n = c + 4; - } else if (c == 0x2b) { /* '+' */ - n = 62; - } else if (c == 0x2c) { /* ',' */ - n = 63; - } - if (n < 0 || n > 63) { - if (c == 0x2d) { - if (filter->status == 1) { /* "&-" -> "&" */ - CK((*filter->output_function)(0x26, filter->data)); - } - } else if (c >= 0 && c < 0x80) { /* ASCII exclude '-' */ - CK((*filter->output_function)(c, filter->data)); - } else { /* illegal character */ - s = c & MBFL_WCSGROUP_MASK; - s |= MBFL_WCSGROUP_THROUGH; - CK((*filter->output_function)(s, filter->data)); - } - filter->cache = 0; - filter->status = 0; - return c; - } - } - - switch (filter->status) { - /* directly encoded characters */ - case 0: - if (c == 0x26) { /* '&' shift character */ - filter->status++; - } else if (c >= 0 && c < 0x80) { /* ASCII */ - CK((*filter->output_function)(c, filter->data)); - } else { /* illegal character */ - s = c & MBFL_WCSGROUP_MASK; - s |= MBFL_WCSGROUP_THROUGH; - CK((*filter->output_function)(s, filter->data)); - } - break; - - /* decode Modified Base64 */ - case 1: - case 2: - filter->cache |= n << 10; - filter->status = 3; - break; - case 3: - filter->cache |= n << 4; - filter->status = 4; - break; - case 4: - s = ((n >> 2) & 0xf) | (filter->cache & 0xffff); - n = (n & 0x3) << 14; - filter->status = 5; - if (s >= 0xd800 && s < 0xdc00) { - s = (((s & 0x3ff) << 16) + 0x400000) | n; - filter->cache = s; - } else if (s >= 0xdc00 && s < 0xe000) { - s &= 0x3ff; - s |= (filter->cache & 0xfff0000) >> 6; - filter->cache = n; - if (s >= MBFL_WCSPLANE_SUPMIN && s < MBFL_WCSPLANE_SUPMAX) { - CK((*filter->output_function)(s, filter->data)); - } else { /* illegal character */ - s &= MBFL_WCSGROUP_MASK; - s |= MBFL_WCSGROUP_THROUGH; - CK((*filter->output_function)(s, filter->data)); - } - } else { - filter->cache = n; - CK((*filter->output_function)(s, filter->data)); - } - break; - - case 5: - filter->cache |= n << 8; - filter->status = 6; - break; - case 6: - filter->cache |= n << 2; - filter->status = 7; - break; - case 7: - s = ((n >> 4) & 0x3) | (filter->cache & 0xffff); - n = (n & 0xf) << 12; - filter->status = 8; - if (s >= 0xd800 && s < 0xdc00) { - s = (((s & 0x3ff) << 16) + 0x400000) | n; - filter->cache = s; - } else if (s >= 0xdc00 && s < 0xe000) { - s &= 0x3ff; - s |= (filter->cache & 0xfff0000) >> 6; - filter->cache = n; - if (s >= MBFL_WCSPLANE_SUPMIN && s < MBFL_WCSPLANE_SUPMAX) { - CK((*filter->output_function)(s, filter->data)); - } else { /* illegal character */ - s &= MBFL_WCSGROUP_MASK; - s |= MBFL_WCSGROUP_THROUGH; - CK((*filter->output_function)(s, filter->data)); - } - } else { - filter->cache = n; - CK((*filter->output_function)(s, filter->data)); - } - break; - - case 8: - filter->cache |= n << 6; - filter->status = 9; - break; - case 9: - s = n | (filter->cache & 0xffff); - filter->status = 2; - if (s >= 0xd800 && s < 0xdc00) { - s = (((s & 0x3ff) << 16) + 0x400000); - filter->cache = s; - } else if (s >= 0xdc00 && s < 0xe000) { - s &= 0x3ff; - s |= (filter->cache & 0xfff0000) >> 6; - filter->cache = 0; - if (s >= MBFL_WCSPLANE_SUPMIN && s < MBFL_WCSPLANE_SUPMAX) { - CK((*filter->output_function)(s, filter->data)); - } else { /* illegal character */ - s &= MBFL_WCSGROUP_MASK; - s |= MBFL_WCSGROUP_THROUGH; - CK((*filter->output_function)(s, filter->data)); - } - } else { - filter->cache = 0; - CK((*filter->output_function)(s, filter->data)); - } - break; - - default: - filter->status = 0; - break; - } - - return c; -} - -static const unsigned char mbfl_utf7imap_base64_table[] = -{ - /* 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', */ - 0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4a,0x4b,0x4c,0x4d, - /* 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', */ - 0x4e,0x4f,0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5a, - /* 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', */ - 0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6a,0x6b,0x6c,0x6d, - /* 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', */ - 0x6e,0x6f,0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7a, - /* '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', ',', '\0' */ - 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x2b,0x2c,0x00 -}; - -/* - * wchar => UTF7-IMAP - */ -int mbfl_filt_conv_wchar_utf7imap(int c, mbfl_convert_filter *filter) -{ - int n, s; - - n = 0; - if (c == 0x26) { - n = 1; - } else if ((c >= 0x20 && c <= 0x7e) || c == 0) { - n = 2; - } else if (c >= 0 && c < MBFL_WCSPLANE_UCS2MAX) { - ; - } else if (c >= MBFL_WCSPLANE_SUPMIN && c < MBFL_WCSPLANE_SUPMAX) { - s = ((c >> 10) - 0x40) | 0xd800; - CK((*filter->filter_function)(s, filter)); - s = (c & 0x3ff) | 0xdc00; - CK((*filter->filter_function)(s, filter)); - return c; - } else { - if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) { - CK(mbfl_filt_conv_illegal_output(c, filter)); - } - return c; - } - - switch (filter->status) { - case 0: - if (n != 0) { /* directly encode characters */ - CK((*filter->output_function)(c, filter->data)); - if (n == 1) { - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - } - } else { /* Modified Base64 */ - CK((*filter->output_function)(0x26, filter->data)); /* '&' */ - filter->status = 1; - filter->cache = c; - } - break; - - /* encode Modified Base64 */ - case 1: - s = filter->cache; - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s >> 10) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s >> 4) & 0x3f], filter->data)); - if (n != 0) { - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s << 2) & 0x3c], filter->data)); - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - CK((*filter->output_function)(c, filter->data)); - if (n == 1) { - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - } - filter->status = 0; - } else { - filter->status = 2; - filter->cache = ((s & 0xf) << 16) | c; - } - break; - - case 2: - s = filter->cache; - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s >> 14) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s >> 8) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s >> 2) & 0x3f], filter->data)); - if (n != 0) { - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s << 4) & 0x30], filter->data)); - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - CK((*filter->output_function)(c, filter->data)); - if (n == 1) { - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - } - filter->status = 0; - } else { - filter->status = 3; - filter->cache = ((s & 0x3) << 16) | c; - } - break; - - case 3: - s = filter->cache; - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s >> 12) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(s >> 6) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[s & 0x3f], filter->data)); - if (n != 0) { - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - CK((*filter->output_function)(c, filter->data)); - if (n == 1) { - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - } - filter->status = 0; - } else { - filter->status = 1; - filter->cache = c; - } - break; - - default: - filter->status = 0; - break; - } - - return c; - -} - -int mbfl_filt_conv_wchar_utf7imap_flush(mbfl_convert_filter *filter) -{ - int status, cache; - - status = filter->status; - cache = filter->cache; - filter->status = 0; - filter->cache = 0; - /* flush fragments */ - switch (status) { - case 1: - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache >> 10) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache >> 4) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache << 2) & 0x3c], filter->data)); - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - break; - - case 2: - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache >> 14) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache >> 8) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache >> 2) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache << 4) & 0x30], filter->data)); - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - break; - - case 3: - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache >> 12) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[(cache >> 6) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_utf7imap_base64_table[cache & 0x3f], filter->data)); - CK((*filter->output_function)(0x2d, filter->data)); /* '-' */ - break; - } - return 0; -} - - |