Refactor code structure for improved readability and maintainability

themes/codebase4.0/grid-excel-php/lib/PHPExcel/Shared/CodePage.php

@@ -0,0 +1,95 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2011 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 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version    1.7.6, 2011-02-27
+ */
+
+
+/**
+ * PHPExcel_Shared_CodePage
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Shared
+ * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Shared_CodePage
+{
+	/**
+	 * Convert Microsoft Code Page Identifier to Code Page Name which iconv
+	 * and mbstring understands
+	 *
+	 * @param int $number Microsoft Code Page Indentifier
+	 * @return string Code Page Name
+	 * @throws Exception
+	 */
+	public static function NumberToName($codePage = '1252')
+	{
+		switch ($codePage) {
+			case 367:	return 'ASCII';		break;	//	ASCII
+			case 437:	return 'CP437';		break;	//	OEM US
+			case 720:	throw new 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 32768:	return 'MAC';		break;	//	Apple Roman
+			case 32769:	throw new Exception('Code page 32769 not supported.');
+											break;	//	ANSI Latin I (BIFF2-BIFF3)
+			case 65001:	return 'UTF-8';		break;	//	Unicode (UTF-8)
+		}
+
+		throw new Exception('Unknown codepage: ' . $codePage);
+	}
+
+}