Annotation of embedaddon/php/ext/mbstring/libmbfl/mbfl/mbfl_encoding.c, revision 1.1
1.1 ! misho 1: /*
! 2: * "streamable kanji code filter and converter"
! 3: * Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
! 4: *
! 5: * LICENSE NOTICES
! 6: *
! 7: * This file is part of "streamable kanji code filter and converter",
! 8: * which is distributed under the terms of GNU Lesser General Public
! 9: * License (version 2) as published by the Free Software Foundation.
! 10: *
! 11: * This software is distributed in the hope that it will be useful,
! 12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
! 13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 14: * GNU Lesser General Public License for more details.
! 15: *
! 16: * You should have received a copy of the GNU Lesser General Public
! 17: * License along with "streamable kanji code filter and converter";
! 18: * if not, write to the Free Software Foundation, Inc., 59 Temple Place,
! 19: * Suite 330, Boston, MA 02111-1307 USA
! 20: *
! 21: * The author of this file:
! 22: *
! 23: */
! 24: /*
! 25: * The source code included in this files was separated from mbfilter.c
! 26: * by Moriyoshi Koizumi <moriyoshi@php.net> on 20 Dec 2002. The file
! 27: * mbfilter.c is included in this package .
! 28: *
! 29: */
! 30:
! 31: #ifdef HAVE_CONFIG_H
! 32: #include "config.h"
! 33: #endif
! 34:
! 35: #ifdef HAVE_STDDEF_H
! 36: #include <stddef.h>
! 37: #endif
! 38:
! 39: #ifdef HAVE_STRING_H
! 40: #include <string.h>
! 41: #endif
! 42:
! 43: #ifdef HAVE_STRINGS_H
! 44: #include <strings.h>
! 45: #endif
! 46:
! 47: #include "mbfl_encoding.h"
! 48: #include "mbfilter_pass.h"
! 49: #include "mbfilter_8bit.h"
! 50: #include "mbfilter_wchar.h"
! 51:
! 52: #include "filters/mbfilter_euc_cn.h"
! 53: #include "filters/mbfilter_hz.h"
! 54: #include "filters/mbfilter_euc_tw.h"
! 55: #include "filters/mbfilter_big5.h"
! 56: #include "filters/mbfilter_uhc.h"
! 57: #include "filters/mbfilter_euc_kr.h"
! 58: #include "filters/mbfilter_iso2022_kr.h"
! 59: #include "filters/mbfilter_sjis.h"
! 60: #include "filters/mbfilter_sjis_open.h"
! 61: #include "filters/mbfilter_cp51932.h"
! 62: #include "filters/mbfilter_jis.h"
! 63: #include "filters/mbfilter_iso2022_jp_ms.h"
! 64: #include "filters/mbfilter_euc_jp.h"
! 65: #include "filters/mbfilter_euc_jp_win.h"
! 66: #include "filters/mbfilter_ascii.h"
! 67: #include "filters/mbfilter_koi8r.h"
! 68: #include "filters/mbfilter_koi8u.h"
! 69: #include "filters/mbfilter_cp866.h"
! 70: #include "filters/mbfilter_cp932.h"
! 71: #include "filters/mbfilter_cp936.h"
! 72: #include "filters/mbfilter_cp1251.h"
! 73: #include "filters/mbfilter_cp1252.h"
! 74: #include "filters/mbfilter_cp1254.h"
! 75: #include "filters/mbfilter_cp5022x.h"
! 76: #include "filters/mbfilter_iso8859_1.h"
! 77: #include "filters/mbfilter_iso8859_2.h"
! 78: #include "filters/mbfilter_iso8859_3.h"
! 79: #include "filters/mbfilter_iso8859_4.h"
! 80: #include "filters/mbfilter_iso8859_5.h"
! 81: #include "filters/mbfilter_iso8859_6.h"
! 82: #include "filters/mbfilter_iso8859_7.h"
! 83: #include "filters/mbfilter_iso8859_8.h"
! 84: #include "filters/mbfilter_iso8859_9.h"
! 85: #include "filters/mbfilter_iso8859_10.h"
! 86: #include "filters/mbfilter_iso8859_13.h"
! 87: #include "filters/mbfilter_iso8859_14.h"
! 88: #include "filters/mbfilter_iso8859_15.h"
! 89: #include "filters/mbfilter_iso8859_16.h"
! 90: #include "filters/mbfilter_base64.h"
! 91: #include "filters/mbfilter_qprint.h"
! 92: #include "filters/mbfilter_uuencode.h"
! 93: #include "filters/mbfilter_7bit.h"
! 94: #include "filters/mbfilter_utf7.h"
! 95: #include "filters/mbfilter_utf7imap.h"
! 96: #include "filters/mbfilter_utf8.h"
! 97: #include "filters/mbfilter_utf16.h"
! 98: #include "filters/mbfilter_utf32.h"
! 99: #include "filters/mbfilter_byte2.h"
! 100: #include "filters/mbfilter_byte4.h"
! 101: #include "filters/mbfilter_ucs4.h"
! 102: #include "filters/mbfilter_ucs2.h"
! 103: #include "filters/mbfilter_htmlent.h"
! 104: #include "filters/mbfilter_armscii8.h"
! 105: #include "filters/mbfilter_cp850.h"
! 106:
! 107: #ifndef HAVE_STRCASECMP
! 108: #ifdef HAVE_STRICMP
! 109: #define strcasecmp stricmp
! 110: #endif
! 111: #endif
! 112:
! 113:
! 114: static const char *mbfl_encoding_auto_aliases[] = {"unknown", NULL};
! 115:
! 116: static const mbfl_encoding mbfl_encoding_auto = {
! 117: mbfl_no_encoding_auto,
! 118: "auto",
! 119: NULL,
! 120: (const char *(*)[])&mbfl_encoding_auto_aliases,
! 121: NULL,
! 122: 0
! 123: };
! 124:
! 125: static const mbfl_encoding *mbfl_encoding_ptr_list[] = {
! 126: &mbfl_encoding_pass,
! 127: &mbfl_encoding_auto,
! 128: &mbfl_encoding_wchar,
! 129: &mbfl_encoding_byte2be,
! 130: &mbfl_encoding_byte2le,
! 131: &mbfl_encoding_byte4be,
! 132: &mbfl_encoding_byte4le,
! 133: &mbfl_encoding_base64,
! 134: &mbfl_encoding_uuencode,
! 135: &mbfl_encoding_html_ent,
! 136: &mbfl_encoding_qprint,
! 137: &mbfl_encoding_7bit,
! 138: &mbfl_encoding_8bit,
! 139: &mbfl_encoding_ucs4,
! 140: &mbfl_encoding_ucs4be,
! 141: &mbfl_encoding_ucs4le,
! 142: &mbfl_encoding_ucs2,
! 143: &mbfl_encoding_ucs2be,
! 144: &mbfl_encoding_ucs2le,
! 145: &mbfl_encoding_utf32,
! 146: &mbfl_encoding_utf32be,
! 147: &mbfl_encoding_utf32le,
! 148: &mbfl_encoding_utf16,
! 149: &mbfl_encoding_utf16be,
! 150: &mbfl_encoding_utf16le,
! 151: &mbfl_encoding_utf8,
! 152: &mbfl_encoding_utf7,
! 153: &mbfl_encoding_utf7imap,
! 154: &mbfl_encoding_ascii,
! 155: &mbfl_encoding_euc_jp,
! 156: &mbfl_encoding_sjis,
! 157: &mbfl_encoding_eucjp_win,
! 158: &mbfl_encoding_sjis_open,
! 159: &mbfl_encoding_cp932,
! 160: &mbfl_encoding_cp51932,
! 161: &mbfl_encoding_jis,
! 162: &mbfl_encoding_2022jp,
! 163: &mbfl_encoding_2022jpms,
! 164: &mbfl_encoding_cp1252,
! 165: &mbfl_encoding_cp1254,
! 166: &mbfl_encoding_8859_1,
! 167: &mbfl_encoding_8859_2,
! 168: &mbfl_encoding_8859_3,
! 169: &mbfl_encoding_8859_4,
! 170: &mbfl_encoding_8859_5,
! 171: &mbfl_encoding_8859_6,
! 172: &mbfl_encoding_8859_7,
! 173: &mbfl_encoding_8859_8,
! 174: &mbfl_encoding_8859_9,
! 175: &mbfl_encoding_8859_10,
! 176: &mbfl_encoding_8859_13,
! 177: &mbfl_encoding_8859_14,
! 178: &mbfl_encoding_8859_15,
! 179: &mbfl_encoding_8859_16,
! 180: &mbfl_encoding_euc_cn,
! 181: &mbfl_encoding_cp936,
! 182: &mbfl_encoding_hz,
! 183: &mbfl_encoding_euc_tw,
! 184: &mbfl_encoding_big5,
! 185: &mbfl_encoding_euc_kr,
! 186: &mbfl_encoding_uhc,
! 187: &mbfl_encoding_2022kr,
! 188: &mbfl_encoding_cp1251,
! 189: &mbfl_encoding_cp866,
! 190: &mbfl_encoding_koi8r,
! 191: &mbfl_encoding_koi8u,
! 192: &mbfl_encoding_armscii8,
! 193: &mbfl_encoding_cp850,
! 194: &mbfl_encoding_jis_ms,
! 195: &mbfl_encoding_cp50220,
! 196: &mbfl_encoding_cp50220raw,
! 197: &mbfl_encoding_cp50221,
! 198: &mbfl_encoding_cp50222,
! 199: NULL
! 200: };
! 201:
! 202: /* encoding resolver */
! 203: const mbfl_encoding *
! 204: mbfl_name2encoding(const char *name)
! 205: {
! 206: const mbfl_encoding *encoding;
! 207: int i, j;
! 208:
! 209: if (name == NULL) {
! 210: return NULL;
! 211: }
! 212:
! 213: i = 0;
! 214: while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL){
! 215: if (strcasecmp(encoding->name, name) == 0) {
! 216: return encoding;
! 217: }
! 218: }
! 219:
! 220: /* serch MIME charset name */
! 221: i = 0;
! 222: while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL) {
! 223: if (encoding->mime_name != NULL) {
! 224: if (strcasecmp(encoding->mime_name, name) == 0) {
! 225: return encoding;
! 226: }
! 227: }
! 228: }
! 229:
! 230: /* serch aliases */
! 231: i = 0;
! 232: while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL) {
! 233: if (encoding->aliases != NULL) {
! 234: j = 0;
! 235: while ((*encoding->aliases)[j] != NULL) {
! 236: if (strcasecmp((*encoding->aliases)[j], name) == 0) {
! 237: return encoding;
! 238: }
! 239: j++;
! 240: }
! 241: }
! 242: }
! 243:
! 244: return NULL;
! 245: }
! 246:
! 247: const mbfl_encoding *
! 248: mbfl_no2encoding(enum mbfl_no_encoding no_encoding)
! 249: {
! 250: const mbfl_encoding *encoding;
! 251: int i;
! 252:
! 253: i = 0;
! 254: while ((encoding = mbfl_encoding_ptr_list[i++]) != NULL){
! 255: if (encoding->no_encoding == no_encoding) {
! 256: return encoding;
! 257: }
! 258: }
! 259:
! 260: return NULL;
! 261: }
! 262:
! 263: enum mbfl_no_encoding
! 264: mbfl_name2no_encoding(const char *name)
! 265: {
! 266: const mbfl_encoding *encoding;
! 267:
! 268: encoding = mbfl_name2encoding(name);
! 269: if (encoding == NULL) {
! 270: return mbfl_no_encoding_invalid;
! 271: } else {
! 272: return encoding->no_encoding;
! 273: }
! 274: }
! 275:
! 276: const char *
! 277: mbfl_no_encoding2name(enum mbfl_no_encoding no_encoding)
! 278: {
! 279: const mbfl_encoding *encoding;
! 280:
! 281: encoding = mbfl_no2encoding(no_encoding);
! 282: if (encoding == NULL) {
! 283: return "";
! 284: } else {
! 285: return encoding->name;
! 286: }
! 287: }
! 288:
! 289: const mbfl_encoding **
! 290: mbfl_get_supported_encodings(void)
! 291: {
! 292: return mbfl_encoding_ptr_list;
! 293: }
! 294:
! 295: const char *
! 296: mbfl_no2preferred_mime_name(enum mbfl_no_encoding no_encoding)
! 297: {
! 298: const mbfl_encoding *encoding;
! 299:
! 300: encoding = mbfl_no2encoding(no_encoding);
! 301: if (encoding != NULL && encoding->mime_name != NULL && encoding->mime_name[0] != '\0') {
! 302: return encoding->mime_name;
! 303: } else {
! 304: return NULL;
! 305: }
! 306: }
! 307:
! 308: int
! 309: mbfl_is_support_encoding(const char *name)
! 310: {
! 311: const mbfl_encoding *encoding;
! 312:
! 313: encoding = mbfl_name2encoding(name);
! 314: if (encoding == NULL) {
! 315: return 0;
! 316: } else {
! 317: return 1;
! 318: }
! 319: }
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