diff options
Diffstat (limited to 'ext/mbstring/libmbfl/filters/mbfilter_base64.c')
| -rw-r--r-- | ext/mbstring/libmbfl/filters/mbfilter_base64.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/ext/mbstring/libmbfl/filters/mbfilter_base64.c b/ext/mbstring/libmbfl/filters/mbfilter_base64.c deleted file mode 100644 index 13341f9e9f..0000000000 --- a/ext/mbstring/libmbfl/filters/mbfilter_base64.c +++ /dev/null @@ -1,214 +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. The file - * mbfilter.c is included in this package . - * - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "mbfilter.h" -#include "mbfilter_base64.h" - -const mbfl_encoding mbfl_encoding_base64 = { - mbfl_no_encoding_base64, - "BASE64", - "BASE64", - NULL, - NULL, - MBFL_ENCTYPE_SBCS -}; - -const struct mbfl_convert_vtbl vtbl_8bit_b64 = { - mbfl_no_encoding_8bit, - mbfl_no_encoding_base64, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_base64enc, - mbfl_filt_conv_base64enc_flush -}; - -const struct mbfl_convert_vtbl vtbl_b64_8bit = { - mbfl_no_encoding_base64, - mbfl_no_encoding_8bit, - mbfl_filt_conv_common_ctor, - mbfl_filt_conv_common_dtor, - mbfl_filt_conv_base64dec, - mbfl_filt_conv_base64dec_flush -}; - - -#define CK(statement) do { if ((statement) < 0) return (-1); } while (0) - -/* - * any => BASE64 - */ -static const unsigned char mbfl_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,0x2f,0x00 -}; - -int mbfl_filt_conv_base64enc(int c, mbfl_convert_filter *filter) -{ - int n; - - n = (filter->status & 0xff); - if (n == 0) { - filter->status++; - filter->cache = (c & 0xff) << 16; - } else if (n == 1) { - filter->status++; - filter->cache |= (c & 0xff) << 8; - } else { - filter->status &= ~0xff; - if ((filter->status & MBFL_BASE64_STS_MIME_HEADER) == 0) { - n = (filter->status & 0xff00) >> 8; - if (n > 72) { - CK((*filter->output_function)(0x0d, filter->data)); /* CR */ - CK((*filter->output_function)(0x0a, filter->data)); /* LF */ - filter->status &= ~0xff00; - } - filter->status += 0x400; - } - n = filter->cache | (c & 0xff); - CK((*filter->output_function)(mbfl_base64_table[(n >> 18) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_base64_table[(n >> 12) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_base64_table[(n >> 6) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_base64_table[n & 0x3f], filter->data)); - } - - return c; -} - -int mbfl_filt_conv_base64enc_flush(mbfl_convert_filter *filter) -{ - int status, cache, len; - - status = filter->status & 0xff; - cache = filter->cache; - len = (filter->status & 0xff00) >> 8; - filter->status &= ~0xffff; - filter->cache = 0; - /* flush fragments */ - if (status >= 1) { - if ((filter->status & MBFL_BASE64_STS_MIME_HEADER) == 0) { - if (len > 72){ - CK((*filter->output_function)(0x0d, filter->data)); /* CR */ - CK((*filter->output_function)(0x0a, filter->data)); /* LF */ - } - } - CK((*filter->output_function)(mbfl_base64_table[(cache >> 18) & 0x3f], filter->data)); - CK((*filter->output_function)(mbfl_base64_table[(cache >> 12) & 0x3f], filter->data)); - if (status == 1) { - CK((*filter->output_function)(0x3d, filter->data)); /* '=' */ - CK((*filter->output_function)(0x3d, filter->data)); /* '=' */ - } else { - CK((*filter->output_function)(mbfl_base64_table[(cache >> 6) & 0x3f], filter->data)); - CK((*filter->output_function)(0x3d, filter->data)); /* '=' */ - } - } - return 0; -} - -/* - * BASE64 => any - */ -int mbfl_filt_conv_base64dec(int c, mbfl_convert_filter *filter) -{ - int n; - - if (c == 0x0d || c == 0x0a || c == 0x20 || c == 0x09 || c == 0x3d) { /* CR or LF or SPACE or HTAB or '=' */ - return c; - } - - n = 0; - 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 == 0x2f) { /* '/' */ - n = 63; - } - n &= 0x3f; - - switch (filter->status) { - case 0: - filter->status = 1; - filter->cache = n << 18; - break; - case 1: - filter->status = 2; - filter->cache |= n << 12; - break; - case 2: - filter->status = 3; - filter->cache |= n << 6; - break; - default: - filter->status = 0; - n |= filter->cache; - CK((*filter->output_function)((n >> 16) & 0xff, filter->data)); - CK((*filter->output_function)((n >> 8) & 0xff, filter->data)); - CK((*filter->output_function)(n & 0xff, filter->data)); - break; - } - - return c; -} - -int mbfl_filt_conv_base64dec_flush(mbfl_convert_filter *filter) -{ - int status, cache; - - status = filter->status; - cache = filter->cache; - filter->status = 0; - filter->cache = 0; - /* flush fragments */ - if (status >= 2) { - CK((*filter->output_function)((cache >> 16) & 0xff, filter->data)); - if (status >= 3) { - CK((*filter->output_function)((cache >> 8) & 0xff, filter->data)); - } - } - return 0; -} - - |