<?php

namespace PhpOffice\PhpSpreadsheet\Shared;

use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;

class CodePage
{

>     public const DEFAULT_CODE_PAGE = 'CP1252';
    /**
> 
     * Convert Microsoft Code Page Identifier to Code Page Name which iconv
>     /** @var array */
     * and mbstring understands.
>     private static $pageArray = [
     *
>         0 => 'CP1252', //    CodePage is not always correctly set when the xls file was saved by Apple's Numbers program
     * @param int $codePage Microsoft Code Page Indentifier
>         367 => 'ASCII', //    ASCII
     *
>         437 => 'CP437', //    OEM US
     * @throws PhpSpreadsheetException
>         //720 => 'notsupported', //    OEM Arabic
     *
>         737 => 'CP737', //    OEM Greek
     * @return string Code Page Name
>         775 => 'CP775', //    OEM Baltic
     */
>         850 => 'CP850', //    OEM Latin I
    public static function numberToName($codePage)
>         852 => 'CP852', //    OEM Latin II (Central European)
    {
>         855 => 'CP855', //    OEM Cyrillic
        switch ($codePage) {
>         857 => 'CP857', //    OEM Turkish
            case 367:
>         858 => 'CP858', //    OEM Multilingual Latin I with Euro
                return 'ASCII'; //    ASCII
>         860 => 'CP860', //    OEM Portugese
            case 437:
>         861 => 'CP861', //    OEM Icelandic
                return 'CP437'; //    OEM US
>         862 => 'CP862', //    OEM Hebrew
            case 720:
>         863 => 'CP863', //    OEM Canadian (French)
                throw new PhpSpreadsheetException('Code page 720 not supported.'); //    OEM Arabic
>         864 => 'CP864', //    OEM Arabic
            case 737:
>         865 => 'CP865', //    OEM Nordic
                return 'CP737'; //    OEM Greek
>         866 => 'CP866', //    OEM Cyrillic (Russian)
            case 775:
>         869 => 'CP869', //    OEM Greek (Modern)
                return 'CP775'; //    OEM Baltic
>         874 => 'CP874', //    ANSI Thai
            case 850:
>         932 => 'CP932', //    ANSI Japanese Shift-JIS
                return 'CP850'; //    OEM Latin I
>         936 => 'CP936', //    ANSI Chinese Simplified GBK
            case 852:
>         949 => 'CP949', //    ANSI Korean (Wansung)
                return 'CP852'; //    OEM Latin II (Central European)
>         950 => 'CP950', //    ANSI Chinese Traditional BIG5
            case 855:
>         1200 => 'UTF-16LE', //    UTF-16 (BIFF8)
                return 'CP855'; //    OEM Cyrillic
>         1250 => 'CP1250', //    ANSI Latin II (Central European)
            case 857:
>         1251 => 'CP1251', //    ANSI Cyrillic
                return 'CP857'; //    OEM Turkish
>         1252 => 'CP1252', //    ANSI Latin I (BIFF4-BIFF7)
            case 858:
>         1253 => 'CP1253', //    ANSI Greek
                return 'CP858'; //    OEM Multilingual Latin I with Euro
>         1254 => 'CP1254', //    ANSI Turkish
            case 860:
>         1255 => 'CP1255', //    ANSI Hebrew
                return 'CP860'; //    OEM Portugese
>         1256 => 'CP1256', //    ANSI Arabic
            case 861:
>         1257 => 'CP1257', //    ANSI Baltic
                return 'CP861'; //    OEM Icelandic
>         1258 => 'CP1258', //    ANSI Vietnamese
            case 862:
>         1361 => 'CP1361', //    ANSI Korean (Johab)
                return 'CP862'; //    OEM Hebrew
>         10000 => 'MAC', //    Apple Roman
            case 863:
>         10001 => 'CP932', //    Macintosh Japanese
                return 'CP863'; //    OEM Canadian (French)
>         10002 => 'CP950', //    Macintosh Chinese Traditional
            case 864:
>         10003 => 'CP1361', //    Macintosh Korean
                return 'CP864'; //    OEM Arabic
>         10004 => 'MACARABIC', //    Apple Arabic
            case 865:
>         10005 => 'MACHEBREW', //    Apple Hebrew
                return 'CP865'; //    OEM Nordic
>         10006 => 'MACGREEK', //    Macintosh Greek
            case 866:
>         10007 => 'MACCYRILLIC', //    Macintosh Cyrillic
                return 'CP866'; //    OEM Cyrillic (Russian)
>         10008 => 'CP936', //    Macintosh - Simplified Chinese (GB 2312)
            case 869:
>         10010 => 'MACROMANIA', //    Macintosh Romania
                return 'CP869'; //    OEM Greek (Modern)
>         10017 => 'MACUKRAINE', //    Macintosh Ukraine
            case 874:
>         10021 => 'MACTHAI', //    Macintosh Thai
                return 'CP874'; //    ANSI Thai
>         10029 => ['MACCENTRALEUROPE', 'MAC-CENTRALEUROPE'], //    Macintosh Central Europe
            case 932:
>         10079 => 'MACICELAND', //    Macintosh Icelandic
                return 'CP932'; //    ANSI Japanese Shift-JIS
>         10081 => 'MACTURKISH', //    Macintosh Turkish
            case 936:
>         10082 => 'MACCROATIAN', //    Macintosh Croatian
                return 'CP936'; //    ANSI Chinese Simplified GBK
>         21010 => 'UTF-16LE', //    UTF-16 (BIFF8) This isn't correct, but some Excel writer libraries erroneously use Codepage 21010 for UTF-16LE
            case 949:
>         32768 => 'MAC', //    Apple Roman
                return 'CP949'; //    ANSI Korean (Wansung)
>         //32769 => 'unsupported', //    ANSI Latin I (BIFF2-BIFF3)
            case 950:
>         65000 => 'UTF-7', //    Unicode (UTF-7)
                return 'CP950'; //    ANSI Chinese Traditional BIG5
>         65001 => 'UTF-8', //    Unicode (UTF-8)
            case 1200:
>         99999 => ['unsupported'], //    Unicode (UTF-8)
                return 'UTF-16LE'; //    UTF-16 (BIFF8)
>     ];
            case 1250:
> 
                return 'CP1250'; //    ANSI Latin II (Central European)
>     public static function validate(string $codePage): bool
            case 1251:
>     {
                return 'CP1251'; //    ANSI Cyrillic
>         return in_array($codePage, self::$pageArray, true);
            case 0:
>     }
                //    CodePage is not always correctly set when the xls file was saved by Apple's Numbers program
> 



<      * @throws PhpSpreadsheetException
<      *



<     public static function numberToName($codePage)



>     public static function numberToName(int $codePage): string



<         switch ($codePage) {
<             case 367:
<                 return 'ASCII'; //    ASCII
<             case 437:
<                 return 'CP437'; //    OEM US
<             case 720:
<                 throw new PhpSpreadsheetException('Code page 720 not supported.'); //    OEM Arabic
<             case 737:
<                 return 'CP737'; //    OEM Greek
<             case 775:
<                 return 'CP775'; //    OEM Baltic
<             case 850:
<                 return 'CP850'; //    OEM Latin I
<             case 852:
<                 return 'CP852'; //    OEM Latin II (Central European)
<             case 855:
<                 return 'CP855'; //    OEM Cyrillic
<             case 857:
<                 return 'CP857'; //    OEM Turkish
<             case 858:
<                 return 'CP858'; //    OEM Multilingual Latin I with Euro
<             case 860:
<                 return 'CP860'; //    OEM Portugese
<             case 861:
<                 return 'CP861'; //    OEM Icelandic
<             case 862:
<                 return 'CP862'; //    OEM Hebrew
<             case 863:
<                 return 'CP863'; //    OEM Canadian (French)
<             case 864:
<                 return 'CP864'; //    OEM Arabic
<             case 865:
<                 return 'CP865'; //    OEM Nordic
<             case 866:
<                 return 'CP866'; //    OEM Cyrillic (Russian)
<             case 869:
<                 return 'CP869'; //    OEM Greek (Modern)
<             case 874:
<                 return 'CP874'; //    ANSI Thai
<             case 932:
<                 return 'CP932'; //    ANSI Japanese Shift-JIS
<             case 936:
<                 return 'CP936'; //    ANSI Chinese Simplified GBK
<             case 949:
<                 return 'CP949'; //    ANSI Korean (Wansung)
<             case 950:
<                 return 'CP950'; //    ANSI Chinese Traditional BIG5
<             case 1200:
<                 return 'UTF-16LE'; //    UTF-16 (BIFF8)
<             case 1250:
<                 return 'CP1250'; //    ANSI Latin II (Central European)
<             case 1251:
<                 return 'CP1251'; //    ANSI Cyrillic
<             case 0:
<                 //    CodePage is not always correctly set when the xls file was saved by Apple's Numbers program
<             case 1252:
<                 return 'CP1252'; //    ANSI Latin I (BIFF4-BIFF7)
<             case 1253:
<                 return 'CP1253'; //    ANSI Greek
<             case 1254:
<                 return 'CP1254'; //    ANSI Turkish
<             case 1255:
<                 return 'CP1255'; //    ANSI Hebrew
<             case 1256:
<                 return 'CP1256'; //    ANSI Arabic
<             case 1257:
<                 return 'CP1257'; //    ANSI Baltic
<             case 1258:
<                 return 'CP1258'; //    ANSI Vietnamese
<             case 1361:
<                 return 'CP1361'; //    ANSI Korean (Johab)
<             case 10000:
<                 return 'MAC'; //    Apple Roman
<             case 10001:
<                 return 'CP932'; //    Macintosh Japanese
<             case 10002:
<                 return 'CP950'; //    Macintosh Chinese Traditional
<             case 10003:
<                 return 'CP1361'; //    Macintosh Korean
<             case 10004:
<                 return 'MACARABIC'; //    Apple Arabic
<             case 10005:
<                 return 'MACHEBREW'; //    Apple Hebrew
<             case 10006:
<                 return 'MACGREEK'; //    Macintosh Greek
<             case 10007:
<                 return 'MACCYRILLIC'; //    Macintosh Cyrillic
<             case 10008:
<                 return 'CP936'; //    Macintosh - Simplified Chinese (GB 2312)
<             case 10010:
<                 return 'MACROMANIA'; //    Macintosh Romania
<             case 10017:
<                 return 'MACUKRAINE'; //    Macintosh Ukraine
<             case 10021:
<                 return 'MACTHAI'; //    Macintosh Thai
<             case 10029:
<                 return 'MACCENTRALEUROPE'; //    Macintosh Central Europe
<             case 10079:
<                 return 'MACICELAND'; //    Macintosh Icelandic
<             case 10081:
<                 return 'MACTURKISH'; //    Macintosh Turkish
<             case 10082:
<                 return 'MACCROATIAN'; //    Macintosh Croatian
<             case 21010:
<                 return 'UTF-16LE'; //    UTF-16 (BIFF8) This isn't correct, but some Excel writer libraries erroneously use Codepage 21010 for UTF-16LE
<             case 32768:
<                 return 'MAC'; //    Apple Roman
<             case 32769:
<                 throw new PhpSpreadsheetException('Code page 32769 not supported.'); //    ANSI Latin I (BIFF2-BIFF3)
<             case 65000:
<                 return 'UTF-7'; //    Unicode (UTF-7)
<             case 65001:
<                 return 'UTF-8'; //    Unicode (UTF-8)



>         if (array_key_exists($codePage, self::$pageArray)) {
>             $value = self::$pageArray[$codePage];
>             if (is_array($value)) {
>                 foreach ($value as $encoding) {
>                     if (@iconv('UTF-8', $encoding, ' ') !== false) {
>                         self::$pageArray[$codePage] = $encoding;
> 
>                         return $encoding;
>                     }
>                 }
> 
>                 throw new PhpSpreadsheetException("Code page $codePage not implemented on this system.");
>             } else {
>                 return $value;
>             }
>         }
>         if ($codePage == 720 || $codePage == 32769) {
>             throw new PhpSpreadsheetException("Code page $codePage not supported."); //    OEM Arabic



>     }
> 
>     public static function getEncodings(): array
>     {
>         return self::$pageArray;