<?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'; // ASCII
      case 437 :
        return 'CP437'; // OEM US
      case 720 :
        throw new PHPExcel_Exception ( '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 10006 :
        return 'MACGREEK'; // Macintosh Greek
      case 10007 :
        return 'MACCYRILLIC'; // Macintosh Cyrillic
      case 10008 :
        return 'CP936'; // Macintosh - Simplified Chinese (GB 2312)
      case 10029 :
        return 'MACCENTRALEUROPE'; // Macintosh Central Europe
      case 10079 :
        return 'MACICELAND'; // Macintosh Icelandic
      case 10081 :
        return 'MACTURKISH'; // Macintosh Turkish
      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 PHPExcel_Exception ( '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)
    }
    throw new PHPExcel_Exception ( 'Unknown codepage: ' . $codePage );
  }
}
