functions/decode/cp866.php

   1 <?php
   2 /**
   3  * decode/cp866.php
   4  *
   5  * Copyright (c) 2003-2004 The SquirrelMail Project Team
   6  * Licensed under the GNU GPL. For full terms see the file COPYING.
   7  *
   8  * This file contains cp866 decoding function that is needed to read
   9  * cp866 encoded mails in non-cp866 locale.
  10  *
  11  * Original data taken from:
  12  *  ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/
  13
  14     Name:     cp866_DOSCyrillicRussian to Unicode table
  15     Unicode version: 2.0
  16     Table version: 2.00
  17     Table format:  Format A
  18     Date:          04/24/96
  19     Authors:       Lori Brownell <loribr@microsoft.com>
  20                    K.D. Chang    <a-kchang@microsoft.com>
  21     The entries are in cp866_DOSCyrillicRussian order
  22  *
  23  * @version $Id$
  24  * @package squirrelmail
  25  * @subpackage decode
  26 */
  27
  28 /**
  29  * Decode a cp866-encoded string
  30  * @param string $string Encoded string
  31  * @return string $string Decoded string
  32  */
  33 function charset_decode_cp866 ($string) {
  34     global $default_charset;
  35
  36     if (strtolower($default_charset) == 'ibm866')
  37         return $string;
  38
  39     /* Only do the slow convert if there are 8-bit characters */
  40     /* avoid using 0xA0 (\240) in ereg ranges. RH73 does not like that */
  41     if (! ereg("[\200-\237]", $string) and ! ereg("[\241-\377]", $string) )
  42         return $string;
  43
  44     $cp866 = array(
  45         "\x80" => '&#1040;',
  46         "\x81" => '&#1041;',
  47         "\x82" => '&#1042;',
  48         "\x83" => '&#1043;',
  49         "\x84" => '&#1044;',
  50         "\x85" => '&#1045;',
  51         "\x86" => '&#1046;',
  52         "\x87" => '&#1047;',
  53         "\x88" => '&#1048;',
  54         "\x89" => '&#1049;',
  55         "\x8a" => '&#1050;',
  56         "\x8b" => '&#1051;',
  57         "\x8c" => '&#1052;',
  58         "\x8d" => '&#1053;',
  59         "\x8e" => '&#1054;',
  60         "\x8f" => '&#1055;',
  61         "\x90" => '&#1056;',
  62         "\x91" => '&#1057;',
  63         "\x92" => '&#1058;',
  64         "\x93" => '&#1059;',
  65         "\x94" => '&#1060;',
  66         "\x95" => '&#1061;',
  67         "\x96" => '&#1062;',
  68         "\x97" => '&#1063;',
  69         "\x98" => '&#1064;',
  70         "\x99" => '&#1065;',
  71         "\x9a" => '&#1066;',
  72         "\x9b" => '&#1067;',
  73         "\x9c" => '&#1068;',
  74         "\x9d" => '&#1069;',
  75         "\x9e" => '&#1070;',
  76         "\x9f" => '&#1071;',
  77         "\xa0" => '&#1072;',
  78         "\xa1" => '&#1073;',
  79         "\xa2" => '&#1074;',
  80         "\xa3" => '&#1075;',
  81         "\xa4" => '&#1076;',
  82         "\xa5" => '&#1077;',
  83         "\xa6" => '&#1078;',
  84         "\xa7" => '&#1079;',
  85         "\xa8" => '&#1080;',
  86         "\xa9" => '&#1081;',
  87         "\xaa" => '&#1082;',
  88         "\xab" => '&#1083;',
  89         "\xac" => '&#1084;',
  90         "\xad" => '&#1085;',
  91         "\xae" => '&#1086;',
  92         "\xaf" => '&#1087;',
  93         "\xb0" => '&#9617;',
  94         "\xb1" => '&#9618;',
  95         "\xb2" => '&#9619;',
  96         "\xb3" => '&#9474;',
  97         "\xb4" => '&#9508;',
  98         "\xb5" => '&#9569;',
  99         "\xb6" => '&#9570;',
 100         "\xb7" => '&#9558;',
 101         "\xb8" => '&#9557;',
 102         "\xb9" => '&#9571;',
 103         "\xba" => '&#9553;',
 104         "\xbb" => '&#9559;',
 105         "\xbc" => '&#9565;',
 106         "\xbd" => '&#9564;',
 107         "\xbe" => '&#9563;',
 108         "\xbf" => '&#9488;',
 109         "\xc0" => '&#9492;',
 110         "\xc1" => '&#9524;',
 111         "\xc2" => '&#9516;',
 112         "\xc3" => '&#9500;',
 113         "\xc4" => '&#9472;',
 114         "\xc5" => '&#9532;',
 115         "\xc6" => '&#9566;',
 116         "\xc7" => '&#9567;',
 117         "\xc8" => '&#9562;',
 118         "\xc9" => '&#9556;',
 119         "\xca" => '&#9577;',
 120         "\xcb" => '&#9574;',
 121         "\xcc" => '&#9568;',
 122         "\xcd" => '&#9552;',
 123         "\xce" => '&#9580;',
 124         "\xcf" => '&#9575;',
 125         "\xd0" => '&#9576;',
 126         "\xd1" => '&#9572;',
 127         "\xd2" => '&#9573;',
 128         "\xd3" => '&#9561;',
 129         "\xd4" => '&#9560;',
 130         "\xd5" => '&#9554;',
 131         "\xd6" => '&#9555;',
 132         "\xd7" => '&#9579;',
 133         "\xd8" => '&#9578;',
 134         "\xd9" => '&#9496;',
 135         "\xda" => '&#9484;',
 136         "\xdb" => '&#9608;',
 137         "\xdc" => '&#9604;',
 138         "\xdd" => '&#9612;',
 139         "\xde" => '&#9616;',
 140         "\xdf" => '&#9600;',
 141         "\xe0" => '&#1088;',
 142         "\xe1" => '&#1089;',
 143         "\xe2" => '&#1090;',
 144         "\xe3" => '&#1091;',
 145         "\xe4" => '&#1092;',
 146         "\xe5" => '&#1093;',
 147         "\xe6" => '&#1094;',
 148         "\xe7" => '&#1095;',
 149         "\xe8" => '&#1096;',
 150         "\xe9" => '&#1097;',
 151         "\xea" => '&#1098;',
 152         "\xeb" => '&#1099;',
 153         "\xec" => '&#1100;',
 154         "\xed" => '&#1101;',
 155         "\xee" => '&#1102;',
 156         "\xef" => '&#1103;',
 157         "\xf0" => '&#1025;',
 158         "\xf1" => '&#1105;',
 159         "\xf2" => '&#1028;',
 160         "\xf3" => '&#1108;',
 161         "\xf4" => '&#1031;',
 162         "\xf5" => '&#1111;',
 163         "\xf6" => '&#1038;',
 164         "\xf7" => '&#1118;',
 165         "\xf8" => '&#176;',
 166         "\xf9" => '&#8729;',
 167         "\xfa" => '&#183;',
 168         "\xfb" => '&#8730;',
 169         "\xfc" => '&#8470;',
 170         "\xfd" => '&#164;',
 171         "\xfe" => '&#9632;',
 172         "\xff" => '&#160;'
 173     );
 174
 175     $string = str_replace(array_keys($cp866), array_values($cp866), $string);
 176
 177     return $string;
 178 }