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Diffstat (limited to 'ext/mbstring/libmbfl/filters/mbfilter_utf7.c')
-rw-r--r--ext/mbstring/libmbfl/filters/mbfilter_utf7.c460
1 files changed, 0 insertions, 460 deletions
diff --git a/ext/mbstring/libmbfl/filters/mbfilter_utf7.c b/ext/mbstring/libmbfl/filters/mbfilter_utf7.c
deleted file mode 100644
index ea37073761..0000000000
--- a/ext/mbstring/libmbfl/filters/mbfilter_utf7.c
+++ /dev/null
@@ -1,460 +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_utf7.h"
-
-static int mbfl_filt_ident_utf7(int c, mbfl_identify_filter *filter);
-
-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
-};
-
-static const char *mbfl_encoding_utf7_aliases[] = {"utf7", NULL};
-
-const mbfl_encoding mbfl_encoding_utf7 = {
- mbfl_no_encoding_utf7,
- "UTF-7",
- "UTF-7",
- (const char *(*)[])&mbfl_encoding_utf7_aliases,
- NULL,
- MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_SHFTCODE
-};
-
-const struct mbfl_identify_vtbl vtbl_identify_utf7 = {
- mbfl_no_encoding_utf7,
- mbfl_filt_ident_common_ctor,
- mbfl_filt_ident_common_dtor,
- mbfl_filt_ident_utf7
-};
-
-const struct mbfl_convert_vtbl vtbl_utf7_wchar = {
- mbfl_no_encoding_utf7,
- mbfl_no_encoding_wchar,
- mbfl_filt_conv_common_ctor,
- mbfl_filt_conv_common_dtor,
- mbfl_filt_conv_utf7_wchar,
- mbfl_filt_conv_common_flush
-};
-
-const struct mbfl_convert_vtbl vtbl_wchar_utf7 = {
- mbfl_no_encoding_wchar,
- mbfl_no_encoding_utf7,
- mbfl_filt_conv_common_ctor,
- mbfl_filt_conv_common_dtor,
- mbfl_filt_conv_wchar_utf7,
- mbfl_filt_conv_wchar_utf7_flush
-};
-
-
-#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
-
-/*
- * UTF-7 => wchar
- */
-int mbfl_filt_conv_utf7_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 == 0x2f) { /* '/' */
- n = 63;
- }
- if (n < 0 || n > 63) {
- if (c == 0x2d) {
- if (filter->status == 1) { /* "+-" -> "+" */
- CK((*filter->output_function)(0x2b, 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 == 0x2b) { /* '+' shift character */
- filter->status = 1;
- } 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;
-}
-
-/*
- * wchar => UTF-7
- */
-int mbfl_filt_conv_wchar_utf7(int c, mbfl_convert_filter *filter)
-{
- int s, n;
-
- n = 0;
- if (c >= 0 && c < 0x80) { /* ASCII */
- if (c >= 0x41 && c <= 0x5a) { /* A - Z */
- n = 1;
- } else if (c >= 0x61 && c <= 0x7a) { /* a - z */
- n = 1;
- } else if (c >= 0x30 && c <= 0x39) { /* 0 - 9 */
- n = 1;
- } else if (c == '\0') { /* '\0' */
- n = 1;
- } else if (c == 0x2f) { /* '/' */
- n = 1;
- } else if (c == 0x2d) { /* '-' */
- n = 1;
- } else if (c == 0x20) { /* SPACE */
- n = 2;
- } else if (c == 0x09) { /* HTAB */
- n = 2;
- } else if (c == 0x0d) { /* CR */
- n = 2;
- } else if (c == 0x0a) { /* LF */
- n = 2;
- } else if (c == 0x27) { /* "'" */
- n = 2;
- } else if (c == 0x28) { /* '(' */
- n = 2;
- } else if (c == 0x29) { /* ')' */
- n = 2;
- } else if (c == 0x2c) { /* ',' */
- n = 2;
- } else if (c == 0x2e) { /* '.' */
- n = 2;
- } else if (c == 0x3a) { /* ':' */
- n = 2;
- } else if (c == 0x3f) { /* '?' */
- 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));
- } else { /* Modified Base64 */
- CK((*filter->output_function)(0x2b, filter->data)); /* '+' */
- filter->status++;
- filter->cache = c;
- }
- break;
-
- /* encode Modified Base64 */
- case 1:
- s = filter->cache;
- CK((*filter->output_function)(mbfl_base64_table[(s >> 10) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(s >> 4) & 0x3f], filter->data));
- if (n != 0) {
- CK((*filter->output_function)(mbfl_base64_table[(s << 2) & 0x3c], filter->data));
- if (n == 1) {
- CK((*filter->output_function)(0x2d, filter->data)); /* '-' */
- }
- CK((*filter->output_function)(c, filter->data));
- filter->status = 0;
- } else {
- filter->status++;
- filter->cache = ((s & 0xf) << 16) | c;
- }
- break;
-
- case 2:
- s = filter->cache;
- CK((*filter->output_function)(mbfl_base64_table[(s >> 14) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(s >> 8) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(s >> 2) & 0x3f], filter->data));
- if (n != 0) {
- CK((*filter->output_function)(mbfl_base64_table[(s << 4) & 0x30], filter->data));
- if (n == 1) {
- CK((*filter->output_function)(0x2d, filter->data)); /* '-' */
- }
- CK((*filter->output_function)(c, filter->data));
- filter->status = 0;
- } else {
- filter->status++;
- filter->cache = ((s & 0x3) << 16) | c;
- }
- break;
-
- case 3:
- s = filter->cache;
- CK((*filter->output_function)(mbfl_base64_table[(s >> 12) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(s >> 6) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[s & 0x3f], filter->data));
- if (n != 0) {
- if (n == 1) {
- CK((*filter->output_function)(0x2d, filter->data)); /* '-' */
- }
- CK((*filter->output_function)(c, 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_utf7_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_base64_table[(cache >> 10) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(cache >> 4) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(cache << 2) & 0x3c], filter->data));
- CK((*filter->output_function)(0x2d, filter->data)); /* '-' */
- break;
-
- case 2:
- CK((*filter->output_function)(mbfl_base64_table[(cache >> 14) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(cache >> 8) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(cache >> 2) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(cache << 4) & 0x30], filter->data));
- CK((*filter->output_function)(0x2d, filter->data)); /* '-' */
- break;
-
- case 3:
- CK((*filter->output_function)(mbfl_base64_table[(cache >> 12) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[(cache >> 6) & 0x3f], filter->data));
- CK((*filter->output_function)(mbfl_base64_table[cache & 0x3f], filter->data));
- CK((*filter->output_function)(0x2d, filter->data)); /* '-' */
- break;
- }
- return 0;
-}
-
-static int mbfl_filt_ident_utf7(int c, mbfl_identify_filter *filter)
-{
- int n;
-
- switch (filter->status) {
- /* directly encoded characters */
- case 0:
- if (c == 0x2b) { /* '+' shift character */
- filter->status++;
- } else if (c == 0x5c || c == 0x7e || c < 0 || c > 0x7f) { /* illegal character */
- filter->flag = 1; /* bad */
- }
- break;
-
- /* Modified Base64 */
- case 1:
- case 2:
- n = 0;
- if (c >= 0x41 && c <= 0x5a) { /* A - Z */
- n = 1;
- } else if (c >= 0x61 && c <= 0x7a) { /* a - z */
- n = 1;
- } else if (c >= 0x30 && c <= 0x39) { /* 0 - 9 */
- n = 1;
- } else if (c == 0x2b) { /* '+' */
- n = 1;
- } else if (c == 0x2f) { /* '/' */
- n = 1;
- }
- if (n <= 0) {
- if (filter->status == 1 && c != 0x2d) {
- filter->flag = 1; /* bad */
- } else if (c < 0 || c > 0x7f) {
- filter->flag = 1; /* bad */
- }
- filter->status = 0;
- } else {
- filter->status = 2;
- }
- break;
-
- default:
- filter->status = 0;
- break;
- }
-
- return c;
-}
-
-
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