<?php

/**
 * PHPExcel_Shared_CodePage
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Shared
 * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_Shared_CodePage
{
    /**
     * Convert Microsoft Code Page Identifier to Code Page Name which iconv
     * and mbstring understands
     *
     * @param integer $codePage Microsoft Code Page Indentifier
     * @return string Code Page Name
     * @throws PHPExcel_Exception
     */
    public static function NumberToName($codePage = 1252)
    {
        switch ($codePage) {
            case 367:    return 'ASCII';                break;    //    ASCII
            case 437:    return 'CP437';                break;    //    OEM US
            case 720:    throw new PHPExcel_Exception('Code page 720 not supported.');
                                                    break;    //    OEM Arabic
            case 737:    return 'CP737';                break;    //    OEM Greek
            case 775:    return 'CP775';                break;    //    OEM Baltic
            case 850:    return 'CP850';                break;    //    OEM Latin I
            case 852:    return 'CP852';                break;    //    OEM Latin II (Central European)
            case 855:    return 'CP855';                break;    //    OEM Cyrillic
            case 857:    return 'CP857';                break;    //    OEM Turkish
            case 858:    return 'CP858';                break;    //    OEM Multilingual Latin I with Euro
            case 860:    return 'CP860';                break;    //    OEM Portugese
            case 861:    return 'CP861';                break;    //    OEM Icelandic
            case 862:    return 'CP862';                break;    //    OEM Hebrew
            case 863:    return 'CP863';                break;    //    OEM Canadian (French)
            case 864:    return 'CP864';                break;    //    OEM Arabic
            case 865:    return 'CP865';                break;    //    OEM Nordic
            case 866:    return 'CP866';                break;    //    OEM Cyrillic (Russian)
            case 869:    return 'CP869';                break;    //    OEM Greek (Modern)
            case 874:    return 'CP874';                break;    //    ANSI Thai
            case 932:    return 'CP932';                break;    //    ANSI Japanese Shift-JIS
            case 936:    return 'CP936';                break;    //    ANSI Chinese Simplified GBK
            case 949:    return 'CP949';                break;    //    ANSI Korean (Wansung)
            case 950:    return 'CP950';                break;    //    ANSI Chinese Traditional BIG5
            case 1200:    return 'UTF-16LE';            break;    //    UTF-16 (BIFF8)
            case 1250:    return 'CP1250';            break;    //    ANSI Latin II (Central European)
            case 1251:    return 'CP1251';            break;    //    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';            break;    //    ANSI Latin I (BIFF4-BIFF7)
            case 1253:    return 'CP1253';            break;    //    ANSI Greek
            case 1254:    return 'CP1254';            break;    //    ANSI Turkish
            case 1255:    return 'CP1255';            break;    //    ANSI Hebrew
            case 1256:    return 'CP1256';            break;    //    ANSI Arabic
            case 1257:    return 'CP1257';            break;    //    ANSI Baltic
            case 1258:    return 'CP1258';            break;    //    ANSI Vietnamese
            case 1361:    return 'CP1361';            break;    //    ANSI Korean (Johab)
            case 10000:    return 'MAC';                break;    //    Apple Roman
            case 10001:    return 'CP932';                break;    //    Macintosh Japanese
            case 10002:    return 'CP950';                break;    //    Macintosh Chinese Traditional
            case 10003:    return 'CP1361';            break;    //    Macintosh Korean
            case 10006:    return 'MACGREEK';            break;    //    Macintosh Greek
            case 10007:    return 'MACCYRILLIC';            break;    //    Macintosh Cyrillic
                        case 10008:    return 'CP936';                break;  //    Macintosh - Simplified Chinese (GB 2312)
            case 10029:    return 'MACCENTRALEUROPE';        break;    //    Macintosh Central Europe
            case 10079:    return 'MACICELAND';            break;    //    Macintosh Icelandic
            case 10081:    return 'MACTURKISH';            break;    //    Macintosh Turkish
            case 21010:    return 'UTF-16LE';            break;    //    UTF-16 (BIFF8) This isn't correct, but some Excel writer libraries erroneously use Codepage 21010 for UTF-16LE
            case 32768:    return 'MAC';                break;    //    Apple Roman
            case 32769:    throw new PHPExcel_Exception('Code page 32769 not supported.');
                                                    break;    //    ANSI Latin I (BIFF2-BIFF3)
            case 65000:    return 'UTF-7';                break;    //    Unicode (UTF-7)
            case 65001:    return 'UTF-8';                break;    //    Unicode (UTF-8)
        }
        throw new PHPExcel_Exception('Unknown codepage: ' . $codePage);
    }
}