squirrelmail/functions/decode/iso_ir_111.php

<?php
/**
 * decode/iso-ir-111.php
 *
 * Copyright (c) 2003-2004 The SquirrelMail Project Team
 * Licensed under the GNU GPL. For full terms see the file COPYING.
 *
 * This file contains iso-ir-111 decoding function that is needed to read
 * iso-ir-111 encoded mails in non-iso-ir-111 locale.
 * 
 * Original data taken from:
 *  http://crl.nmsu.edu/~mleisher/csets/ISOIR111.TXT
 *
 * Original ID: Id: ISOIR111.TXT,v 1.2 1999/08/23 18:34:15 mleisher Exp 
 *   Name:             ISO IR 111/ECMA Cyrillic to Unicode 2.1 mapping table.
 * Typed in by hand from 
 *    http://www.fingertipsoft.com/ref/cyrillic/charsets.html
 * Author: Mark Leisher <mleisher@crl.nmsu.edu>
 * Date: 05 March 1998
 *
 * Original copyright:
 * Copyright 1999 Computing Research Labs, New Mexico State University
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the ""Software""),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED ""AS IS"", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
 * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * @version $Id$
 * @package squirrelmail
 * @subpackage decode
 */

/**
 * Decode iso-ir-111 encoded strings
 * @param string $string Encoded string
 * @return string Decoded string
 */
function charset_decode_iso_ir_111 ($string) {
    global $default_charset;

    if (strtolower($default_charset) == 'iso-ir-111')
        return $string;

    /* Only do the slow convert if there are 8-bit characters */
    /* there is no 0x80-0x9F letters in ISO-IR-111 */
    if ( ! ereg("[\241-\377]", $string) )
        return $string;

    $iso_ir_111 = array(
	"\xA0" => '&#160;',
	"\xA1" => '&#1106;',
	"\xA2" => '&#1107;',
	"\xA3" => '&#1105;',
	"\xA4" => '&#1108;',
	"\xA5" => '&#1109;',
	"\xA6" => '&#1110;',
	"\xA7" => '&#1111;',
	"\xA8" => '&#1112;',
	"\xA9" => '&#1113;',
	"\xAA" => '&#1114;',
	"\xAB" => '&#1115;',
	"\xAC" => '&#1116;',
	"\xAD" => '&#173;',
	"\xAE" => '&#1118;',
	"\xAF" => '&#1119;',
	"\xB0" => '&#8470;',
	"\xB1" => '&#1026;',
	"\xB2" => '&#1027;',
	"\xB3" => '&#1025;',
	"\xB4" => '&#1028;',
	"\xB5" => '&#1029;',
	"\xB6" => '&#1030;',
	"\xB7" => '&#1031;',
	"\xB8" => '&#1032;',
	"\xB9" => '&#1033;',
	"\xBA" => '&#1034;',
	"\xBB" => '&#1035;',
	"\xBC" => '&#1036;',
	"\xBD" => '&#164;',
	"\xBE" => '&#1038;',
	"\xBF" => '&#1039;',
	"\xC0" => '&#1102;',
	"\xC1" => '&#1072;',
	"\xC2" => '&#1073;',
	"\xC3" => '&#1094;',
	"\xC4" => '&#1076;',
	"\xC5" => '&#1077;',
	"\xC6" => '&#1092;',
	"\xC7" => '&#1075;',
	"\xC8" => '&#1093;',
	"\xC9" => '&#1080;',
	"\xCA" => '&#1081;',
	"\xCB" => '&#1082;',
	"\xCC" => '&#1083;',
	"\xCD" => '&#1084;',
	"\xCE" => '&#1085;',
	"\xCF" => '&#1086;',
	"\xD0" => '&#1087;',
	"\xD1" => '&#1103;',
	"\xD2" => '&#1088;',
	"\xD3" => '&#1089;',
	"\xD4" => '&#1090;',
	"\xD5" => '&#1091;',
	"\xD6" => '&#1078;',
	"\xD7" => '&#1074;',
	"\xD8" => '&#1100;',
	"\xD9" => '&#1099;',
	"\xDA" => '&#1079;',
	"\xDB" => '&#1096;',
	"\xDC" => '&#1101;',
	"\xDD" => '&#1097;',
	"\xDE" => '&#1095;',
	"\xDF" => '&#1098;',
	"\xE0" => '&#1070;',
	"\xE1" => '&#1040;',
	"\xE2" => '&#1041;',
	"\xE3" => '&#1062;',
	"\xE4" => '&#1044;',
	"\xE5" => '&#1045;',
	"\xE6" => '&#1060;',
	"\xE7" => '&#1043;',
	"\xE8" => '&#1061;',
	"\xE9" => '&#1048;',
	"\xEA" => '&#1049;',
	"\xEB" => '&#1050;',
	"\xEC" => '&#1051;',
	"\xED" => '&#1052;',
	"\xEE" => '&#1053;',
	"\xEF" => '&#1054;',
	"\xF0" => '&#1055;',
	"\xF1" => '&#1071;',
	"\xF2" => '&#1056;',
	"\xF3" => '&#1057;',
	"\xF4" => '&#1058;',
	"\xF5" => '&#1059;',
	"\xF6" => '&#1046;',
	"\xF7" => '&#1042;',
	"\xF8" => '&#1068;',
	"\xF9" => '&#1067;',
	"\xFA" => '&#1047;',
	"\xFB" => '&#1064;',
	"\xFC" => '&#1069;',
	"\xFD" => '&#1065;',
	"\xFE" => '&#1063;',
	"\xFF" => '&#1066;'
    );

    $string = str_replace(array_keys($iso_ir_111), array_values($iso_ir_111), $string);

    return $string;
}

?>