| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | <?php | 
					
						
							|  |  |  | /** | 
					
						
							|  |  |  |  * PHPExcel | 
					
						
							|  |  |  |  * | 
					
						
							| 
									
										
										
										
											2012-03-03 21:08:29 +00:00
										 |  |  |  * Copyright (c) 2006 - 2012 PHPExcel | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  |  * | 
					
						
							|  |  |  |  * 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_Writer_Excel5 | 
					
						
							| 
									
										
										
										
											2012-03-03 21:08:29 +00:00
										 |  |  |  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel) | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  |  * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL | 
					
						
							|  |  |  |  * @version    ##VERSION##, ##DATE##
 | 
					
						
							|  |  |  |  */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | // Original file header of PEAR::Spreadsheet_Excel_Writer_Parser (used as the base for this class):
 | 
					
						
							|  |  |  | // -----------------------------------------------------------------------------------------
 | 
					
						
							|  |  |  | // *  Class for parsing Excel formulas
 | 
					
						
							|  |  |  | // *
 | 
					
						
							|  |  |  | // *  License Information:
 | 
					
						
							|  |  |  | // *
 | 
					
						
							|  |  |  | // *    Spreadsheet_Excel_Writer:  A library for generating Excel Spreadsheets
 | 
					
						
							|  |  |  | // *    Copyright (c) 2002-2003 Xavier Noguer xnoguer@rezebra.com
 | 
					
						
							|  |  |  | // *
 | 
					
						
							|  |  |  | // *    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | 
					
						
							|  |  |  | // */
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | /** | 
					
						
							|  |  |  |  * PHPExcel_Writer_Excel5_Parser | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * @category   PHPExcel | 
					
						
							|  |  |  |  * @package    PHPExcel_Writer_Excel5 | 
					
						
							| 
									
										
										
										
											2012-03-03 21:08:29 +00:00
										 |  |  |  * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel) | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  |  */ | 
					
						
							|  |  |  | class PHPExcel_Writer_Excel5_Parser | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	/**	Constants				*/ | 
					
						
							|  |  |  | 	// Sheet title in unquoted form
 | 
					
						
							|  |  |  | 	// Invalid sheet title characters cannot occur in the sheet title:
 | 
					
						
							|  |  |  | 	// 		*:/\?[]
 | 
					
						
							|  |  |  | 	// Moreover, there are valid sheet title characters that cannot occur in unquoted form (there may be more?)
 | 
					
						
							|  |  |  | 	// +-% '^&<>=,;#()"{}
 | 
					
						
							|  |  |  | 	const REGEX_SHEET_TITLE_UNQUOTED = '[^\*\:\/\\\\\?\[\]\+\-\% \\\'\^\&\<\>\=\,\;\#\(\)\"\{\}]+'; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	// Sheet title in quoted form (without surrounding quotes)
 | 
					
						
							|  |  |  | 	// Invalid sheet title characters cannot occur in the sheet title:
 | 
					
						
							|  |  |  | 	// *:/\?[]					(usual invalid sheet title characters)
 | 
					
						
							|  |  |  | 	// Single quote is represented as a pair ''
 | 
					
						
							|  |  |  | 	const REGEX_SHEET_TITLE_QUOTED = '(([^\*\:\/\\\\\?\[\]\\\'])+|(\\\'\\\')+)+'; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * The index of the character we are currently looking at | 
					
						
							|  |  |  | 	 * @var integer | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	public $_current_char; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * The token we are working on. | 
					
						
							|  |  |  | 	 * @var string | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	public $_current_token; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * The formula to parse | 
					
						
							|  |  |  | 	 * @var string | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	public $_formula; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * The character ahead of the current char | 
					
						
							|  |  |  | 	 * @var string | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	public $_lookahead; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * The parse tree to be generated | 
					
						
							|  |  |  | 	 * @var string | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	public $_parse_tree; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Array of external sheets | 
					
						
							|  |  |  | 	 * @var array | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	public $_ext_sheets; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Array of sheet references in the form of REF structures | 
					
						
							|  |  |  | 	 * @var array | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	public $_references; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * The class constructor | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 */ | 
					
						
							| 
									
										
										
										
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										 |  |  | 	public function __construct() | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 	{ | 
					
						
							|  |  |  | 		$this->_current_char  = 0; | 
					
						
							|  |  |  | 		$this->_current_token = '';       // The token we are working on.
 | 
					
						
							|  |  |  | 		$this->_formula       = '';       // The formula to parse.
 | 
					
						
							|  |  |  | 		$this->_lookahead     = '';       // The character ahead of the current char.
 | 
					
						
							|  |  |  | 		$this->_parse_tree    = '';       // The parse tree to be generated.
 | 
					
						
							|  |  |  | 		$this->_initializeHashes();      // Initialize the hashes: ptg's and function's ptg's
 | 
					
						
							|  |  |  | 		$this->_ext_sheets = array(); | 
					
						
							|  |  |  | 		$this->_references = array(); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Initialize the ptg and function hashes. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _initializeHashes() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		// The Excel ptg indices
 | 
					
						
							|  |  |  | 		$this->ptg = array( | 
					
						
							|  |  |  | 			'ptgExp'       => 0x01, | 
					
						
							|  |  |  | 			'ptgTbl'       => 0x02, | 
					
						
							|  |  |  | 			'ptgAdd'       => 0x03, | 
					
						
							|  |  |  | 			'ptgSub'       => 0x04, | 
					
						
							|  |  |  | 			'ptgMul'       => 0x05, | 
					
						
							|  |  |  | 			'ptgDiv'       => 0x06, | 
					
						
							|  |  |  | 			'ptgPower'     => 0x07, | 
					
						
							|  |  |  | 			'ptgConcat'    => 0x08, | 
					
						
							|  |  |  | 			'ptgLT'        => 0x09, | 
					
						
							|  |  |  | 			'ptgLE'        => 0x0A, | 
					
						
							|  |  |  | 			'ptgEQ'        => 0x0B, | 
					
						
							|  |  |  | 			'ptgGE'        => 0x0C, | 
					
						
							|  |  |  | 			'ptgGT'        => 0x0D, | 
					
						
							|  |  |  | 			'ptgNE'        => 0x0E, | 
					
						
							|  |  |  | 			'ptgIsect'     => 0x0F, | 
					
						
							|  |  |  | 			'ptgUnion'     => 0x10, | 
					
						
							|  |  |  | 			'ptgRange'     => 0x11, | 
					
						
							|  |  |  | 			'ptgUplus'     => 0x12, | 
					
						
							|  |  |  | 			'ptgUminus'    => 0x13, | 
					
						
							|  |  |  | 			'ptgPercent'   => 0x14, | 
					
						
							|  |  |  | 			'ptgParen'     => 0x15, | 
					
						
							|  |  |  | 			'ptgMissArg'   => 0x16, | 
					
						
							|  |  |  | 			'ptgStr'       => 0x17, | 
					
						
							|  |  |  | 			'ptgAttr'      => 0x19, | 
					
						
							|  |  |  | 			'ptgSheet'     => 0x1A, | 
					
						
							|  |  |  | 			'ptgEndSheet'  => 0x1B, | 
					
						
							|  |  |  | 			'ptgErr'       => 0x1C, | 
					
						
							|  |  |  | 			'ptgBool'      => 0x1D, | 
					
						
							|  |  |  | 			'ptgInt'       => 0x1E, | 
					
						
							|  |  |  | 			'ptgNum'       => 0x1F, | 
					
						
							|  |  |  | 			'ptgArray'     => 0x20, | 
					
						
							|  |  |  | 			'ptgFunc'      => 0x21, | 
					
						
							|  |  |  | 			'ptgFuncVar'   => 0x22, | 
					
						
							|  |  |  | 			'ptgName'      => 0x23, | 
					
						
							|  |  |  | 			'ptgRef'       => 0x24, | 
					
						
							|  |  |  | 			'ptgArea'      => 0x25, | 
					
						
							|  |  |  | 			'ptgMemArea'   => 0x26, | 
					
						
							|  |  |  | 			'ptgMemErr'    => 0x27, | 
					
						
							|  |  |  | 			'ptgMemNoMem'  => 0x28, | 
					
						
							|  |  |  | 			'ptgMemFunc'   => 0x29, | 
					
						
							|  |  |  | 			'ptgRefErr'    => 0x2A, | 
					
						
							|  |  |  | 			'ptgAreaErr'   => 0x2B, | 
					
						
							|  |  |  | 			'ptgRefN'      => 0x2C, | 
					
						
							|  |  |  | 			'ptgAreaN'     => 0x2D, | 
					
						
							|  |  |  | 			'ptgMemAreaN'  => 0x2E, | 
					
						
							|  |  |  | 			'ptgMemNoMemN' => 0x2F, | 
					
						
							|  |  |  | 			'ptgNameX'     => 0x39, | 
					
						
							|  |  |  | 			'ptgRef3d'     => 0x3A, | 
					
						
							|  |  |  | 			'ptgArea3d'    => 0x3B, | 
					
						
							|  |  |  | 			'ptgRefErr3d'  => 0x3C, | 
					
						
							|  |  |  | 			'ptgAreaErr3d' => 0x3D, | 
					
						
							|  |  |  | 			'ptgArrayV'    => 0x40, | 
					
						
							|  |  |  | 			'ptgFuncV'     => 0x41, | 
					
						
							|  |  |  | 			'ptgFuncVarV'  => 0x42, | 
					
						
							|  |  |  | 			'ptgNameV'     => 0x43, | 
					
						
							|  |  |  | 			'ptgRefV'      => 0x44, | 
					
						
							|  |  |  | 			'ptgAreaV'     => 0x45, | 
					
						
							|  |  |  | 			'ptgMemAreaV'  => 0x46, | 
					
						
							|  |  |  | 			'ptgMemErrV'   => 0x47, | 
					
						
							|  |  |  | 			'ptgMemNoMemV' => 0x48, | 
					
						
							|  |  |  | 			'ptgMemFuncV'  => 0x49, | 
					
						
							|  |  |  | 			'ptgRefErrV'   => 0x4A, | 
					
						
							|  |  |  | 			'ptgAreaErrV'  => 0x4B, | 
					
						
							|  |  |  | 			'ptgRefNV'     => 0x4C, | 
					
						
							|  |  |  | 			'ptgAreaNV'    => 0x4D, | 
					
						
							|  |  |  | 			'ptgMemAreaNV' => 0x4E, | 
					
						
							|  |  |  | 			'ptgMemNoMemN' => 0x4F, | 
					
						
							|  |  |  | 			'ptgFuncCEV'   => 0x58, | 
					
						
							|  |  |  | 			'ptgNameXV'    => 0x59, | 
					
						
							|  |  |  | 			'ptgRef3dV'    => 0x5A, | 
					
						
							|  |  |  | 			'ptgArea3dV'   => 0x5B, | 
					
						
							|  |  |  | 			'ptgRefErr3dV' => 0x5C, | 
					
						
							|  |  |  | 			'ptgAreaErr3d' => 0x5D, | 
					
						
							|  |  |  | 			'ptgArrayA'    => 0x60, | 
					
						
							|  |  |  | 			'ptgFuncA'     => 0x61, | 
					
						
							|  |  |  | 			'ptgFuncVarA'  => 0x62, | 
					
						
							|  |  |  | 			'ptgNameA'     => 0x63, | 
					
						
							|  |  |  | 			'ptgRefA'      => 0x64, | 
					
						
							|  |  |  | 			'ptgAreaA'     => 0x65, | 
					
						
							|  |  |  | 			'ptgMemAreaA'  => 0x66, | 
					
						
							|  |  |  | 			'ptgMemErrA'   => 0x67, | 
					
						
							|  |  |  | 			'ptgMemNoMemA' => 0x68, | 
					
						
							|  |  |  | 			'ptgMemFuncA'  => 0x69, | 
					
						
							|  |  |  | 			'ptgRefErrA'   => 0x6A, | 
					
						
							|  |  |  | 			'ptgAreaErrA'  => 0x6B, | 
					
						
							|  |  |  | 			'ptgRefNA'     => 0x6C, | 
					
						
							|  |  |  | 			'ptgAreaNA'    => 0x6D, | 
					
						
							|  |  |  | 			'ptgMemAreaNA' => 0x6E, | 
					
						
							|  |  |  | 			'ptgMemNoMemN' => 0x6F, | 
					
						
							|  |  |  | 			'ptgFuncCEA'   => 0x78, | 
					
						
							|  |  |  | 			'ptgNameXA'    => 0x79, | 
					
						
							|  |  |  | 			'ptgRef3dA'    => 0x7A, | 
					
						
							|  |  |  | 			'ptgArea3dA'   => 0x7B, | 
					
						
							|  |  |  | 			'ptgRefErr3dA' => 0x7C, | 
					
						
							|  |  |  | 			'ptgAreaErr3d' => 0x7D | 
					
						
							|  |  |  | 			); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Thanks to Michael Meeks and Gnumeric for the initial arg values.
 | 
					
						
							|  |  |  | 		//
 | 
					
						
							|  |  |  | 		// The following hash was generated by "function_locale.pl" in the distro.
 | 
					
						
							|  |  |  | 		// Refer to function_locale.pl for non-English function names.
 | 
					
						
							|  |  |  | 		//
 | 
					
						
							|  |  |  | 		// The array elements are as follow:
 | 
					
						
							|  |  |  | 		// ptg:   The Excel function ptg code.
 | 
					
						
							|  |  |  | 		// args:  The number of arguments that the function takes:
 | 
					
						
							|  |  |  | 		//           >=0 is a fixed number of arguments.
 | 
					
						
							|  |  |  | 		//           -1  is a variable  number of arguments.
 | 
					
						
							|  |  |  | 		// class: The reference, value or array class of the function args.
 | 
					
						
							|  |  |  | 		// vol:   The function is volatile.
 | 
					
						
							|  |  |  | 		//
 | 
					
						
							|  |  |  | 		$this->_functions = array( | 
					
						
							|  |  |  | 			  // function                  ptg  args  class  vol
 | 
					
						
							|  |  |  | 			  'COUNT'           => array(   0,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'IF'              => array(   1,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ISNA'            => array(   2,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ISERROR'         => array(   3,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'SUM'             => array(   4,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'AVERAGE'         => array(   5,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'MIN'             => array(   6,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'MAX'             => array(   7,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'ROW'             => array(   8,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'COLUMN'          => array(   9,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'NA'              => array(  10,    0,    0,    0 ), | 
					
						
							|  |  |  | 			  'NPV'             => array(  11,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'STDEV'           => array(  12,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'DOLLAR'          => array(  13,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'FIXED'           => array(  14,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'SIN'             => array(  15,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'COS'             => array(  16,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'TAN'             => array(  17,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ATAN'            => array(  18,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'PI'              => array(  19,    0,    1,    0 ), | 
					
						
							|  |  |  | 			  'SQRT'            => array(  20,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'EXP'             => array(  21,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'LN'              => array(  22,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'LOG10'           => array(  23,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ABS'             => array(  24,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'INT'             => array(  25,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'SIGN'            => array(  26,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ROUND'           => array(  27,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'LOOKUP'          => array(  28,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'INDEX'           => array(  29,   -1,    0,    1 ), | 
					
						
							|  |  |  | 			  'REPT'            => array(  30,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'MID'             => array(  31,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'LEN'             => array(  32,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'VALUE'           => array(  33,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'TRUE'            => array(  34,    0,    1,    0 ), | 
					
						
							|  |  |  | 			  'FALSE'           => array(  35,    0,    1,    0 ), | 
					
						
							|  |  |  | 			  'AND'             => array(  36,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'OR'              => array(  37,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'NOT'             => array(  38,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'MOD'             => array(  39,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'DCOUNT'          => array(  40,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'DSUM'            => array(  41,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'DAVERAGE'        => array(  42,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'DMIN'            => array(  43,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'DMAX'            => array(  44,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'DSTDEV'          => array(  45,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'VAR'             => array(  46,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'DVAR'            => array(  47,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'TEXT'            => array(  48,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'LINEST'          => array(  49,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'TREND'           => array(  50,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'LOGEST'          => array(  51,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'GROWTH'          => array(  52,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'PV'              => array(  56,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'FV'              => array(  57,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'NPER'            => array(  58,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'PMT'             => array(  59,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'RATE'            => array(  60,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'MIRR'            => array(  61,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'IRR'             => array(  62,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'RAND'            => array(  63,    0,    1,    1 ), | 
					
						
							|  |  |  | 			  'MATCH'           => array(  64,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'DATE'            => array(  65,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'TIME'            => array(  66,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'DAY'             => array(  67,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'MONTH'           => array(  68,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'YEAR'            => array(  69,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'WEEKDAY'         => array(  70,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'HOUR'            => array(  71,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'MINUTE'          => array(  72,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'SECOND'          => array(  73,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'NOW'             => array(  74,    0,    1,    1 ), | 
					
						
							|  |  |  | 			  'AREAS'           => array(  75,    1,    0,    1 ), | 
					
						
							|  |  |  | 			  'ROWS'            => array(  76,    1,    0,    1 ), | 
					
						
							|  |  |  | 			  'COLUMNS'         => array(  77,    1,    0,    1 ), | 
					
						
							|  |  |  | 			  'OFFSET'          => array(  78,   -1,    0,    1 ), | 
					
						
							|  |  |  | 			  'SEARCH'          => array(  82,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'TRANSPOSE'       => array(  83,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'TYPE'            => array(  86,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ATAN2'           => array(  97,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'ASIN'            => array(  98,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ACOS'            => array(  99,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'CHOOSE'          => array( 100,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'HLOOKUP'         => array( 101,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'VLOOKUP'         => array( 102,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'ISREF'           => array( 105,    1,    0,    0 ), | 
					
						
							|  |  |  | 			  'LOG'             => array( 109,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'CHAR'            => array( 111,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'LOWER'           => array( 112,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'UPPER'           => array( 113,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'PROPER'          => array( 114,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'LEFT'            => array( 115,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'RIGHT'           => array( 116,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'EXACT'           => array( 117,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'TRIM'            => array( 118,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'REPLACE'         => array( 119,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'SUBSTITUTE'      => array( 120,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'CODE'            => array( 121,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'FIND'            => array( 124,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'CELL'            => array( 125,   -1,    0,    1 ), | 
					
						
							|  |  |  | 			  'ISERR'           => array( 126,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ISTEXT'          => array( 127,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ISNUMBER'        => array( 128,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ISBLANK'         => array( 129,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'T'               => array( 130,    1,    0,    0 ), | 
					
						
							|  |  |  | 			  'N'               => array( 131,    1,    0,    0 ), | 
					
						
							|  |  |  | 			  'DATEVALUE'       => array( 140,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'TIMEVALUE'       => array( 141,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'SLN'             => array( 142,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'SYD'             => array( 143,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'DDB'             => array( 144,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'INDIRECT'        => array( 148,   -1,    1,    1 ), | 
					
						
							|  |  |  | 			  'CALL'            => array( 150,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'CLEAN'           => array( 162,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'MDETERM'         => array( 163,    1,    2,    0 ), | 
					
						
							|  |  |  | 			  'MINVERSE'        => array( 164,    1,    2,    0 ), | 
					
						
							|  |  |  | 			  'MMULT'           => array( 165,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'IPMT'            => array( 167,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'PPMT'            => array( 168,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'COUNTA'          => array( 169,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'PRODUCT'         => array( 183,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'FACT'            => array( 184,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'DPRODUCT'        => array( 189,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'ISNONTEXT'       => array( 190,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'STDEVP'          => array( 193,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'VARP'            => array( 194,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'DSTDEVP'         => array( 195,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'DVARP'           => array( 196,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'TRUNC'           => array( 197,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ISLOGICAL'       => array( 198,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'DCOUNTA'         => array( 199,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'USDOLLAR'        => array( 204,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'FINDB'           => array( 205,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'SEARCHB'         => array( 206,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'REPLACEB'        => array( 207,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'LEFTB'           => array( 208,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'RIGHTB'          => array( 209,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'MIDB'            => array( 210,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'LENB'            => array( 211,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ROUNDUP'         => array( 212,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'ROUNDDOWN'       => array( 213,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'ASC'             => array( 214,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'DBCS'            => array( 215,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'RANK'            => array( 216,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'ADDRESS'         => array( 219,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'DAYS360'         => array( 220,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'TODAY'           => array( 221,    0,    1,    1 ), | 
					
						
							|  |  |  | 			  'VDB'             => array( 222,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'MEDIAN'          => array( 227,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'SUMPRODUCT'      => array( 228,   -1,    2,    0 ), | 
					
						
							|  |  |  | 			  'SINH'            => array( 229,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'COSH'            => array( 230,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'TANH'            => array( 231,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ASINH'           => array( 232,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ACOSH'           => array( 233,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'ATANH'           => array( 234,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'DGET'            => array( 235,    3,    0,    0 ), | 
					
						
							|  |  |  | 			  'INFO'            => array( 244,    1,    1,    1 ), | 
					
						
							|  |  |  | 			  'DB'              => array( 247,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'FREQUENCY'       => array( 252,    2,    0,    0 ), | 
					
						
							|  |  |  | 			  'ERROR.TYPE'      => array( 261,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'REGISTER.ID'     => array( 267,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'AVEDEV'          => array( 269,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'BETADIST'        => array( 270,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'GAMMALN'         => array( 271,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'BETAINV'         => array( 272,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'BINOMDIST'       => array( 273,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'CHIDIST'         => array( 274,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'CHIINV'          => array( 275,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'COMBIN'          => array( 276,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'CONFIDENCE'      => array( 277,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'CRITBINOM'       => array( 278,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'EVEN'            => array( 279,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'EXPONDIST'       => array( 280,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'FDIST'           => array( 281,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'FINV'            => array( 282,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'FISHER'          => array( 283,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'FISHERINV'       => array( 284,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'FLOOR'           => array( 285,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'GAMMADIST'       => array( 286,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'GAMMAINV'        => array( 287,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'CEILING'         => array( 288,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'HYPGEOMDIST'     => array( 289,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'LOGNORMDIST'     => array( 290,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'LOGINV'          => array( 291,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'NEGBINOMDIST'    => array( 292,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'NORMDIST'        => array( 293,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'NORMSDIST'       => array( 294,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'NORMINV'         => array( 295,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'NORMSINV'        => array( 296,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'STANDARDIZE'     => array( 297,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'ODD'             => array( 298,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'PERMUT'          => array( 299,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'POISSON'         => array( 300,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'TDIST'           => array( 301,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'WEIBULL'         => array( 302,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'SUMXMY2'         => array( 303,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'SUMX2MY2'        => array( 304,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'SUMX2PY2'        => array( 305,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'CHITEST'         => array( 306,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'CORREL'          => array( 307,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'COVAR'           => array( 308,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'FORECAST'        => array( 309,    3,    2,    0 ), | 
					
						
							|  |  |  | 			  'FTEST'           => array( 310,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'INTERCEPT'       => array( 311,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'PEARSON'         => array( 312,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'RSQ'             => array( 313,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'STEYX'           => array( 314,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'SLOPE'           => array( 315,    2,    2,    0 ), | 
					
						
							|  |  |  | 			  'TTEST'           => array( 316,    4,    2,    0 ), | 
					
						
							|  |  |  | 			  'PROB'            => array( 317,   -1,    2,    0 ), | 
					
						
							|  |  |  | 			  'DEVSQ'           => array( 318,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'GEOMEAN'         => array( 319,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'HARMEAN'         => array( 320,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'SUMSQ'           => array( 321,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'KURT'            => array( 322,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'SKEW'            => array( 323,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'ZTEST'           => array( 324,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'LARGE'           => array( 325,    2,    0,    0 ), | 
					
						
							|  |  |  | 			  'SMALL'           => array( 326,    2,    0,    0 ), | 
					
						
							|  |  |  | 			  'QUARTILE'        => array( 327,    2,    0,    0 ), | 
					
						
							|  |  |  | 			  'PERCENTILE'      => array( 328,    2,    0,    0 ), | 
					
						
							|  |  |  | 			  'PERCENTRANK'     => array( 329,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'MODE'            => array( 330,   -1,    2,    0 ), | 
					
						
							|  |  |  | 			  'TRIMMEAN'        => array( 331,    2,    0,    0 ), | 
					
						
							|  |  |  | 			  'TINV'            => array( 332,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'CONCATENATE'     => array( 336,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'POWER'           => array( 337,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'RADIANS'         => array( 342,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'DEGREES'         => array( 343,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'SUBTOTAL'        => array( 344,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'SUMIF'           => array( 345,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'COUNTIF'         => array( 346,    2,    0,    0 ), | 
					
						
							|  |  |  | 			  'COUNTBLANK'      => array( 347,    1,    0,    0 ), | 
					
						
							|  |  |  | 			  'ISPMT'           => array( 350,    4,    1,    0 ), | 
					
						
							|  |  |  | 			  'DATEDIF'         => array( 351,    3,    1,    0 ), | 
					
						
							|  |  |  | 			  'DATESTRING'      => array( 352,    1,    1,    0 ), | 
					
						
							|  |  |  | 			  'NUMBERSTRING'    => array( 353,    2,    1,    0 ), | 
					
						
							|  |  |  | 			  'ROMAN'           => array( 354,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'GETPIVOTDATA'    => array( 358,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'HYPERLINK'       => array( 359,   -1,    1,    0 ), | 
					
						
							|  |  |  | 			  'PHONETIC'        => array( 360,    1,    0,    0 ), | 
					
						
							|  |  |  | 			  'AVERAGEA'        => array( 361,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'MAXA'            => array( 362,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'MINA'            => array( 363,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'STDEVPA'         => array( 364,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'VARPA'           => array( 365,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'STDEVA'          => array( 366,   -1,    0,    0 ), | 
					
						
							|  |  |  | 			  'VARA'            => array( 367,   -1,    0,    0 ), | 
					
						
							| 
									
										
										
										
											2011-01-14 18:01:41 +00:00
										 |  |  | 			  'BAHTTEXT'        => array( 368,    1,    0,    0 ), | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			  ); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert a token to the proper ptg value. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param mixed $token The token to convert. | 
					
						
							|  |  |  | 	 * @return mixed the converted token on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convert($token) | 
					
						
							|  |  |  | 	{ | 
					
						
							| 
									
										
										
										
											2010-09-07 11:40:06 +00:00
										 |  |  | 		if (preg_match("/\"([^\"]|\"\"){0,255}\"/", $token)) { | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			return $this->_convertString($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		} elseif (is_numeric($token)) { | 
					
						
							|  |  |  | 			return $this->_convertNumber($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// match references like A1 or $A$1
 | 
					
						
							|  |  |  | 		} elseif (preg_match('/^\$?([A-Ia-i]?[A-Za-z])\$?(\d+)$/',$token)) { | 
					
						
							|  |  |  | 			return $this->_convertRef2d($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// match external references like Sheet1!A1 or Sheet1:Sheet2!A1 or Sheet1!$A$1 or Sheet1:Sheet2!$A$1
 | 
					
						
							|  |  |  | 		} elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?[A-Ia-i]?[A-Za-z]\\$?(\d+)$/u",$token)) { | 
					
						
							|  |  |  | 			return $this->_convertRef3d($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// match external references like 'Sheet1'!A1 or 'Sheet1:Sheet2'!A1 or 'Sheet1'!$A$1 or 'Sheet1:Sheet2'!$A$1
 | 
					
						
							|  |  |  | 		} elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?[A-Ia-i]?[A-Za-z]\\$?(\d+)$/u",$token)) { | 
					
						
							|  |  |  | 			return $this->_convertRef3d($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// match ranges like A1:B2 or $A$1:$B$2
 | 
					
						
							|  |  |  | 		} elseif (preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?(\d+)\:(\$)?[A-Ia-i]?[A-Za-z](\$)?(\d+)$/', $token)) { | 
					
						
							|  |  |  | 			return $this->_convertRange2d($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// match external ranges like Sheet1!A1:B2 or Sheet1:Sheet2!A1:B2 or Sheet1!$A$1:$B$2 or Sheet1:Sheet2!$A$1:$B$2
 | 
					
						
							|  |  |  | 		} elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?([A-Ia-i]?[A-Za-z])?\\$?(\d+)\:\\$?([A-Ia-i]?[A-Za-z])?\\$?(\d+)$/u",$token)) { | 
					
						
							|  |  |  | 			return $this->_convertRange3d($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// match external ranges like 'Sheet1'!A1:B2 or 'Sheet1:Sheet2'!A1:B2 or 'Sheet1'!$A$1:$B$2 or 'Sheet1:Sheet2'!$A$1:$B$2
 | 
					
						
							|  |  |  | 		} elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?([A-Ia-i]?[A-Za-z])?\\$?(\d+)\:\\$?([A-Ia-i]?[A-Za-z])?\\$?(\d+)$/u",$token)) { | 
					
						
							|  |  |  | 			return $this->_convertRange3d($token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// operators (including parentheses)
 | 
					
						
							|  |  |  | 		} elseif (isset($this->ptg[$token])) { | 
					
						
							|  |  |  | 			return pack("C", $this->ptg[$token]); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  |         // match error codes
 | 
					
						
							|  |  |  | 		} elseif (preg_match("/^#[A-Z0\/]{3,5}[!?]{1}$/", $token) or $token == '#N/A') { | 
					
						
							|  |  |  | 		    return $this->_convertError($token); | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		// commented so argument number can be processed correctly. See toReversePolish().
 | 
					
						
							|  |  |  | 		/*elseif (preg_match("/[A-Z0-9\xc0-\xdc\.]+/",$token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			return($this->_convertFunction($token,$this->_func_args)); | 
					
						
							|  |  |  | 		}*/ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// if it's an argument, ignore the token (the argument remains)
 | 
					
						
							|  |  |  | 		} elseif ($token == 'arg') { | 
					
						
							|  |  |  | 			return ''; | 
					
						
							|  |  |  | 		} | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		// TODO: use real error codes
 | 
					
						
							|  |  |  | 		throw new Exception("Unknown token $token"); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert a number token to ptgInt or ptgNum | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param mixed $num an integer or double for conversion to its ptg value | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convertNumber($num) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		// Integer in the range 0..2**16-1
 | 
					
						
							|  |  |  | 		if ((preg_match("/^\d+$/", $num)) and ($num <= 65535)) { | 
					
						
							|  |  |  | 			return pack("Cv", $this->ptg['ptgInt'], $num); | 
					
						
							|  |  |  | 		} else { // A float
 | 
					
						
							|  |  |  | 			if (PHPExcel_Writer_Excel5_BIFFwriter::getByteOrder()) { // if it's Big Endian
 | 
					
						
							|  |  |  | 				$num = strrev($num); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			return pack("Cd", $this->ptg['ptgNum'], $num); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert a string token to ptgStr | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $string A string for conversion to its ptg value. | 
					
						
							|  |  |  | 	 * @return mixed the converted token on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convertString($string) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		// chop away beggining and ending quotes
 | 
					
						
							|  |  |  | 		$string = substr($string, 1, strlen($string) - 2); | 
					
						
							|  |  |  | 		if (strlen($string) > 255) { | 
					
						
							|  |  |  | 			throw new Exception("String is too long"); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2011-05-26 20:17:48 +00:00
										 |  |  | 		return pack('C', $this->ptg['ptgStr']) . PHPExcel_Shared_String::UTF8toBIFF8UnicodeShort($string); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert a function to a ptgFunc or ptgFuncVarV depending on the number of | 
					
						
							|  |  |  | 	 * args that it takes. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string  $token    The name of the function for convertion to ptg value. | 
					
						
							|  |  |  | 	 * @param integer $num_args The number of arguments the function receives. | 
					
						
							|  |  |  | 	 * @return string The packed ptg for the function
 | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convertFunction($token, $num_args) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$args     = $this->_functions[$token][1]; | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		$volatile = $this->_functions[$token][3];
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		// Fixed number of args eg. TIME($i,$j,$k).
 | 
					
						
							|  |  |  | 		if ($args >= 0) { | 
					
						
							|  |  |  | 			return pack("Cv", $this->ptg['ptgFuncV'], $this->_functions[$token][0]); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// Variable number of args eg. SUM($i,$j,$k, ..).
 | 
					
						
							|  |  |  | 		if ($args == -1) { | 
					
						
							|  |  |  | 			return pack("CCv", $this->ptg['ptgFuncVarV'], $num_args, $this->_functions[$token][0]); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert an Excel range such as A1:D4 to a ptgRefV. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							| 
									
										
										
										
											2012-03-10 11:38:35 +00:00
										 |  |  | 	 * @param string	$range	An Excel range in the A1:A2 | 
					
						
							|  |  |  | 	 * @param int		$class | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convertRange2d($range, $class=0) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// TODO: possible class value 0,1,2 check Formula.pm
 | 
					
						
							|  |  |  | 		// Split the range into 2 cell refs
 | 
					
						
							|  |  |  | 		if (preg_match('/^(\$)?([A-Ia-i]?[A-Za-z])(\$)?(\d+)\:(\$)?([A-Ia-i]?[A-Za-z])(\$)?(\d+)$/', $range)) { | 
					
						
							|  |  |  | 			list($cell1, $cell2) = explode(':', $range); | 
					
						
							|  |  |  | 		} else { | 
					
						
							|  |  |  | 			// TODO: use real error codes
 | 
					
						
							|  |  |  | 			throw new Exception("Unknown range separator"); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Convert the cell references
 | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | 		list($row1, $col1) = $this->_cellToPackedRowcol($cell1); | 
					
						
							|  |  |  | 		list($row2, $col2) = $this->_cellToPackedRowcol($cell2); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		// The ptg value depends on the class of the ptg.
 | 
					
						
							|  |  |  | 		if ($class == 0) { | 
					
						
							|  |  |  | 			$ptgArea = pack("C", $this->ptg['ptgArea']); | 
					
						
							|  |  |  | 		} elseif ($class == 1) { | 
					
						
							|  |  |  | 			$ptgArea = pack("C", $this->ptg['ptgAreaV']); | 
					
						
							|  |  |  | 		} elseif ($class == 2) { | 
					
						
							|  |  |  | 			$ptgArea = pack("C", $this->ptg['ptgAreaA']); | 
					
						
							|  |  |  | 		} else { | 
					
						
							|  |  |  | 			// TODO: use real error codes
 | 
					
						
							|  |  |  | 			throw new Exception("Unknown class $class"); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		return $ptgArea . $row1 . $row2 . $col1. $col2; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert an Excel 3d range such as "Sheet1!A1:D4" or "Sheet1:Sheet2!A1:D4" to | 
					
						
							|  |  |  | 	 * a ptgArea3d. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $token An Excel range in the Sheet1!A1:A2 format. | 
					
						
							|  |  |  | 	 * @return mixed The packed ptgArea3d token on success. | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convertRange3d($token) | 
					
						
							|  |  |  | 	{ | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		$class = 0; // formulas like Sheet1!$A$1:$A$2 in list type data validation need this class (0x3B)
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		// Split the ref at the ! symbol
 | 
					
						
							|  |  |  | 		list($ext_ref, $range) = explode('!', $token); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Convert the external reference part (different for BIFF8)
 | 
					
						
							| 
									
										
										
										
											2011-05-26 20:17:48 +00:00
										 |  |  | 		$ext_ref = $this->_getRefIndex($ext_ref); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		// Split the range into 2 cell refs
 | 
					
						
							|  |  |  | 		list($cell1, $cell2) = explode(':', $range); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Convert the cell references
 | 
					
						
							|  |  |  | 		if (preg_match("/^(\\$)?[A-Ia-i]?[A-Za-z](\\$)?(\d+)$/", $cell1)) { | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | 			list($row1, $col1) = $this->_cellToPackedRowcol($cell1); | 
					
						
							|  |  |  | 			list($row2, $col2) = $this->_cellToPackedRowcol($cell2); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		} else { // It's a rows range (like 26:27)
 | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | 			 list($row1, $col1, $row2, $col2) = $this->_rangeToPackedRange($cell1.':'.$cell2); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// The ptg value depends on the class of the ptg.
 | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		if ($class == 0) {
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			$ptgArea = pack("C", $this->ptg['ptgArea3d']); | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		} elseif ($class == 1) {
 | 
					
						
							|  |  |  | //			$ptgArea = pack("C", $this->ptg['ptgArea3dV']);
 | 
					
						
							|  |  |  | //		} elseif ($class == 2) {
 | 
					
						
							|  |  |  | //			$ptgArea = pack("C", $this->ptg['ptgArea3dA']);
 | 
					
						
							|  |  |  | //		} else {
 | 
					
						
							|  |  |  | //			throw new Exception("Unknown class $class");
 | 
					
						
							|  |  |  | //		}
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		return $ptgArea . $ext_ref . $row1 . $row2 . $col1. $col2; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert an Excel reference such as A1, $B2, C$3 or $D$4 to a ptgRefV. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $cell An Excel cell reference | 
					
						
							|  |  |  | 	 * @return string The cell in packed() format with the corresponding ptg | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convertRef2d($cell) | 
					
						
							|  |  |  | 	{ | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		$class = 2; // as far as I know, this is magick.
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		// Convert the cell reference
 | 
					
						
							|  |  |  | 		$cell_array = $this->_cellToPackedRowcol($cell); | 
					
						
							|  |  |  | 		list($row, $col) = $cell_array; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// The ptg value depends on the class of the ptg.
 | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		if ($class == 0) {
 | 
					
						
							|  |  |  | //			$ptgRef = pack("C", $this->ptg['ptgRef']);
 | 
					
						
							|  |  |  | //		} elseif ($class == 1) {
 | 
					
						
							|  |  |  | //			$ptgRef = pack("C", $this->ptg['ptgRefV']);
 | 
					
						
							|  |  |  | //		} elseif ($class == 2) {
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			$ptgRef = pack("C", $this->ptg['ptgRefA']); | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		} else {
 | 
					
						
							|  |  |  | //			// TODO: use real error codes
 | 
					
						
							|  |  |  | //			throw new Exception("Unknown class $class");
 | 
					
						
							|  |  |  | //		}
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		return $ptgRef.$row.$col; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert an Excel 3d reference such as "Sheet1!A1" or "Sheet1:Sheet2!A1" to a | 
					
						
							|  |  |  | 	 * ptgRef3d. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $cell An Excel cell reference | 
					
						
							|  |  |  | 	 * @return mixed The packed ptgRef3d token on success. | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _convertRef3d($cell) | 
					
						
							|  |  |  | 	{ | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		$class = 2; // as far as I know, this is magick.
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		// Split the ref at the ! symbol
 | 
					
						
							|  |  |  | 		list($ext_ref, $cell) = explode('!', $cell); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Convert the external reference part (different for BIFF8)
 | 
					
						
							| 
									
										
										
										
											2011-05-26 20:17:48 +00:00
										 |  |  | 		$ext_ref = $this->_getRefIndex($ext_ref); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		// Convert the cell reference part
 | 
					
						
							|  |  |  | 		list($row, $col) = $this->_cellToPackedRowcol($cell); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// The ptg value depends on the class of the ptg.
 | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		if ($class == 0) {
 | 
					
						
							|  |  |  | //			$ptgRef = pack("C", $this->ptg['ptgRef3d']);
 | 
					
						
							|  |  |  | //		} elseif ($class == 1) {
 | 
					
						
							|  |  |  | //			$ptgRef = pack("C", $this->ptg['ptgRef3dV']);
 | 
					
						
							|  |  |  | //		} elseif ($class == 2) {
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			$ptgRef = pack("C", $this->ptg['ptgRef3dA']); | 
					
						
							| 
									
										
										
										
											2011-05-30 22:22:49 +00:00
										 |  |  | //		} else {
 | 
					
						
							|  |  |  | //			throw new Exception("Unknown class $class");
 | 
					
						
							|  |  |  | //		}
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		return $ptgRef . $ext_ref. $row . $col; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  |     /** | 
					
						
							|  |  |  |      * Convert an error code to a ptgErr | 
					
						
							|  |  |  |      * | 
					
						
							| 
									
										
										
										
											2012-03-10 11:38:35 +00:00
										 |  |  |      * @access	private | 
					
						
							|  |  |  | 	 * @param	string	$errorCode	The error code for conversion to its ptg value | 
					
						
							|  |  |  |      * @return	string				The error code ptgErr | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  |      */ | 
					
						
							|  |  |  |     function _convertError($errorCode) | 
					
						
							|  |  |  |     { | 
					
						
							| 
									
										
										
										
											2012-03-10 11:38:35 +00:00
										 |  |  | 		switch ($errorCode) { | 
					
						
							|  |  |  | 			case '#NULL!':	return pack("C", 0x00); | 
					
						
							|  |  |  | 			case '#DIV/0!':	return pack("C", 0x07); | 
					
						
							|  |  |  | 			case '#VALUE!':	return pack("C", 0x0F); | 
					
						
							|  |  |  | 			case '#REF!':	return pack("C", 0x17); | 
					
						
							|  |  |  | 			case '#NAME?':	return pack("C", 0x1D); | 
					
						
							|  |  |  | 			case '#NUM!':	return pack("C", 0x24); | 
					
						
							|  |  |  | 			case '#N/A':	return pack("C", 0x2A); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		return pack("C", 0xFF); | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert the sheet name part of an external reference, for example "Sheet1" or | 
					
						
							|  |  |  | 	 * "Sheet1:Sheet2", to a packed structure. | 
					
						
							|  |  |  | 	 * | 
					
						
							| 
									
										
										
										
											2012-03-10 11:38:35 +00:00
										 |  |  | 	 * @access	private | 
					
						
							|  |  |  | 	 * @param	string	$ext_ref	The name of the external reference | 
					
						
							|  |  |  | 	 * @return	string				The reference index in packed() format | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 	 */ | 
					
						
							|  |  |  | 	function _packExtRef($ext_ref) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$ext_ref = preg_replace("/^'/", '', $ext_ref); // Remove leading  ' if any.
 | 
					
						
							|  |  |  | 		$ext_ref = preg_replace("/'$/", '', $ext_ref); // Remove trailing ' if any.
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Check if there is a sheet range eg., Sheet1:Sheet2.
 | 
					
						
							|  |  |  | 		if (preg_match("/:/", $ext_ref)) { | 
					
						
							|  |  |  | 			list($sheet_name1, $sheet_name2) = explode(':', $ext_ref); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 			$sheet1 = $this->_getSheetIndex($sheet_name1); | 
					
						
							|  |  |  | 			if ($sheet1 == -1) { | 
					
						
							|  |  |  | 				throw new Exception("Unknown sheet name $sheet_name1 in formula"); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			$sheet2 = $this->_getSheetIndex($sheet_name2); | 
					
						
							|  |  |  | 			if ($sheet2 == -1) { | 
					
						
							|  |  |  | 				throw new Exception("Unknown sheet name $sheet_name2 in formula"); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 			// Reverse max and min sheet numbers if necessary
 | 
					
						
							|  |  |  | 			if ($sheet1 > $sheet2) { | 
					
						
							|  |  |  | 				list($sheet1, $sheet2) = array($sheet2, $sheet1); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 		} else { // Single sheet name only.
 | 
					
						
							|  |  |  | 			$sheet1 = $this->_getSheetIndex($ext_ref); | 
					
						
							|  |  |  | 			if ($sheet1 == -1) { | 
					
						
							|  |  |  | 				throw new Exception("Unknown sheet name $ext_ref in formula"); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			$sheet2 = $sheet1; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// References are stored relative to 0xFFFF.
 | 
					
						
							|  |  |  | 		$offset = -1 - $sheet1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		return pack('vdvv', $offset, 0x00, $sheet1, $sheet2); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Look up the REF index that corresponds to an external sheet name | 
					
						
							|  |  |  | 	 * (or range). If it doesn't exist yet add it to the workbook's references | 
					
						
							|  |  |  | 	 * array. It assumes all sheet names given must exist. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $ext_ref The name of the external reference | 
					
						
							|  |  |  | 	 * @return mixed The reference index in packed() format on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _getRefIndex($ext_ref) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$ext_ref = preg_replace("/^'/", '', $ext_ref); // Remove leading  ' if any.
 | 
					
						
							|  |  |  | 		$ext_ref = preg_replace("/'$/", '', $ext_ref); // Remove trailing ' if any.
 | 
					
						
							|  |  |  | 		$ext_ref = str_replace('\'\'', '\'', $ext_ref); // Replace escaped '' with '
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Check if there is a sheet range eg., Sheet1:Sheet2.
 | 
					
						
							|  |  |  | 		if (preg_match("/:/", $ext_ref)) { | 
					
						
							|  |  |  | 			list($sheet_name1, $sheet_name2) = explode(':', $ext_ref); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 			$sheet1 = $this->_getSheetIndex($sheet_name1); | 
					
						
							|  |  |  | 			if ($sheet1 == -1) { | 
					
						
							|  |  |  | 				throw new Exception("Unknown sheet name $sheet_name1 in formula"); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			$sheet2 = $this->_getSheetIndex($sheet_name2); | 
					
						
							|  |  |  | 			if ($sheet2 == -1) { | 
					
						
							|  |  |  | 				throw new Exception("Unknown sheet name $sheet_name2 in formula"); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 			// Reverse max and min sheet numbers if necessary
 | 
					
						
							|  |  |  | 			if ($sheet1 > $sheet2) { | 
					
						
							|  |  |  | 				list($sheet1, $sheet2) = array($sheet2, $sheet1); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 		} else { // Single sheet name only.
 | 
					
						
							|  |  |  | 			$sheet1 = $this->_getSheetIndex($ext_ref); | 
					
						
							|  |  |  | 			if ($sheet1 == -1) { | 
					
						
							|  |  |  | 				throw new Exception("Unknown sheet name $ext_ref in formula"); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			$sheet2 = $sheet1; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// assume all references belong to this document
 | 
					
						
							|  |  |  | 		$supbook_index = 0x00; | 
					
						
							|  |  |  | 		$ref = pack('vvv', $supbook_index, $sheet1, $sheet2); | 
					
						
							|  |  |  | 		$total_references = count($this->_references); | 
					
						
							|  |  |  | 		$index = -1; | 
					
						
							|  |  |  | 		for ($i = 0; $i < $total_references; ++$i) { | 
					
						
							|  |  |  | 			if ($ref == $this->_references[$i]) { | 
					
						
							|  |  |  | 				$index = $i; | 
					
						
							|  |  |  | 				break; | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// if REF was not found add it to references array
 | 
					
						
							|  |  |  | 		if ($index == -1) { | 
					
						
							|  |  |  | 			$this->_references[$total_references] = $ref; | 
					
						
							|  |  |  | 			$index = $total_references; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		return pack('v', $index); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Look up the index that corresponds to an external sheet name. The hash of | 
					
						
							|  |  |  | 	 * sheet names is updated by the addworksheet() method of the | 
					
						
							|  |  |  | 	 * PHPExcel_Writer_Excel5_Workbook class. | 
					
						
							|  |  |  | 	 * | 
					
						
							| 
									
										
										
										
											2012-03-10 11:38:35 +00:00
										 |  |  | 	 * @access	private | 
					
						
							|  |  |  | 	 * @param	string	$sheet_name		Sheet name | 
					
						
							|  |  |  | 	 * @return	integer					The sheet index, -1 if the sheet was not found | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 	 */ | 
					
						
							|  |  |  | 	function _getSheetIndex($sheet_name) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		if (!isset($this->_ext_sheets[$sheet_name])) { | 
					
						
							|  |  |  | 			return -1; | 
					
						
							|  |  |  | 		} else { | 
					
						
							|  |  |  | 			return $this->_ext_sheets[$sheet_name]; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * This method is used to update the array of sheet names. It is | 
					
						
							|  |  |  | 	 * called by the addWorksheet() method of the | 
					
						
							|  |  |  | 	 * PHPExcel_Writer_Excel5_Workbook class. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access public | 
					
						
							|  |  |  | 	 * @see PHPExcel_Writer_Excel5_Workbook::addWorksheet() | 
					
						
							|  |  |  | 	 * @param string  $name  The name of the worksheet being added | 
					
						
							|  |  |  | 	 * @param integer $index The index of the worksheet being added | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function setExtSheet($name, $index) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$this->_ext_sheets[$name] = $index; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * pack() row and column into the required 3 or 4 byte format. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $cell The Excel cell reference to be packed | 
					
						
							|  |  |  | 	 * @return array Array containing the row and column in packed() format | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _cellToPackedRowcol($cell) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$cell = strtoupper($cell); | 
					
						
							|  |  |  | 		list($row, $col, $row_rel, $col_rel) = $this->_cellToRowcol($cell); | 
					
						
							|  |  |  | 		if ($col >= 256) { | 
					
						
							|  |  |  | 			throw new Exception("Column in: $cell greater than 255"); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// FIXME: change for BIFF8
 | 
					
						
							|  |  |  | 		if ($row >= 16384) { | 
					
						
							|  |  |  | 			throw new Exception("Row in: $cell greater than 16384 "); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Set the high bits to indicate if row or col are relative.
 | 
					
						
							| 
									
										
										
										
											2011-05-26 20:17:48 +00:00
										 |  |  | 		$col |= $col_rel << 14; | 
					
						
							|  |  |  | 		$col |= $row_rel << 15; | 
					
						
							|  |  |  | 		$col = pack('v', $col); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		$row = pack('v', $row); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		return array($row, $col); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * pack() row range into the required 3 or 4 byte format. | 
					
						
							|  |  |  | 	 * Just using maximum col/rows, which is probably not the correct solution | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $range The Excel range to be packed | 
					
						
							|  |  |  | 	 * @return array Array containing (row1,col1,row2,col2) in packed() format | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _rangeToPackedRange($range) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		preg_match('/(\$)?(\d+)\:(\$)?(\d+)/', $range, $match); | 
					
						
							|  |  |  | 		// return absolute rows if there is a $ in the ref
 | 
					
						
							|  |  |  | 		$row1_rel = empty($match[1]) ? 1 : 0; | 
					
						
							|  |  |  | 		$row1     = $match[2]; | 
					
						
							|  |  |  | 		$row2_rel = empty($match[3]) ? 1 : 0; | 
					
						
							|  |  |  | 		$row2     = $match[4]; | 
					
						
							|  |  |  | 		// Convert 1-index to zero-index
 | 
					
						
							|  |  |  | 		--$row1; | 
					
						
							|  |  |  | 		--$row2; | 
					
						
							|  |  |  | 		// Trick poor inocent Excel
 | 
					
						
							|  |  |  | 		$col1 = 0; | 
					
						
							|  |  |  | 		$col2 = 16383; // FIXME: maximum possible value for Excel 5 (change this!!!)
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// FIXME: this changes for BIFF8
 | 
					
						
							|  |  |  | 		if (($row1 >= 16384) or ($row2 >= 16384)) { | 
					
						
							|  |  |  | 			throw new Exception("Row in: $range greater than 16384 "); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Set the high bits to indicate if rows are relative.
 | 
					
						
							| 
									
										
										
										
											2011-05-26 20:17:48 +00:00
										 |  |  | 		$col1 |= $row1_rel << 15; | 
					
						
							|  |  |  | 		$col2 |= $row2_rel << 15; | 
					
						
							|  |  |  | 		$col1 = pack('v', $col1); | 
					
						
							|  |  |  | 		$col2 = pack('v', $col2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		$row1 = pack('v', $row1); | 
					
						
							|  |  |  | 		$row2 = pack('v', $row2); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 
 | 
					
						
							|  |  |  | 		return array($row1, $col1, $row2, $col2); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Convert an Excel cell reference such as A1 or $B2 or C$3 or $D$4 to a zero | 
					
						
							|  |  |  | 	 * indexed row and column number. Also returns two (0,1) values to indicate | 
					
						
							|  |  |  | 	 * whether the row or column are relative references. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param string $cell The Excel cell reference in A1 format. | 
					
						
							|  |  |  | 	 * @return array | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _cellToRowcol($cell) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		preg_match('/(\$)?([A-I]?[A-Z])(\$)?(\d+)/',$cell,$match); | 
					
						
							|  |  |  | 		// return absolute column if there is a $ in the ref
 | 
					
						
							|  |  |  | 		$col_rel = empty($match[1]) ? 1 : 0; | 
					
						
							|  |  |  | 		$col_ref = $match[2]; | 
					
						
							|  |  |  | 		$row_rel = empty($match[3]) ? 1 : 0; | 
					
						
							|  |  |  | 		$row     = $match[4]; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Convert base26 column string to a number.
 | 
					
						
							|  |  |  | 		$expn   = strlen($col_ref) - 1; | 
					
						
							|  |  |  | 		$col    = 0; | 
					
						
							|  |  |  | 		$col_ref_length = strlen($col_ref); | 
					
						
							|  |  |  | 		for ($i = 0; $i < $col_ref_length; ++$i) { | 
					
						
							| 
									
										
										
										
											2010-11-05 22:13:41 +00:00
										 |  |  | 			$col += (ord($col_ref{$i}) - 64) * pow(26, $expn); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			--$expn; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		// Convert 1-index to zero-index
 | 
					
						
							|  |  |  | 		--$row; | 
					
						
							|  |  |  | 		--$col; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		return array($row, $col, $row_rel, $col_rel); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Advance to the next valid token. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _advance() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$i = $this->_current_char; | 
					
						
							|  |  |  | 		$formula_length = strlen($this->_formula); | 
					
						
							|  |  |  | 		// eat up white spaces
 | 
					
						
							|  |  |  | 		if ($i < $formula_length) { | 
					
						
							|  |  |  | 			while ($this->_formula{$i} == " ") { | 
					
						
							|  |  |  | 				++$i; | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 			if ($i < ($formula_length - 1)) { | 
					
						
							|  |  |  | 				$this->_lookahead = $this->_formula{$i+1}; | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			$token = ''; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		while ($i < $formula_length) { | 
					
						
							|  |  |  | 			$token .= $this->_formula{$i}; | 
					
						
							| 
									
										
										
										
											2012-02-14 23:27:50 +00:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			if ($i < ($formula_length - 1)) { | 
					
						
							|  |  |  | 				$this->_lookahead = $this->_formula{$i+1}; | 
					
						
							|  |  |  | 			} else { | 
					
						
							|  |  |  | 				$this->_lookahead = ''; | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 			if ($this->_match($token) != '') { | 
					
						
							|  |  |  | 				//if ($i < strlen($this->_formula) - 1) {
 | 
					
						
							|  |  |  | 				//    $this->_lookahead = $this->_formula{$i+1};
 | 
					
						
							|  |  |  | 				//}
 | 
					
						
							|  |  |  | 				$this->_current_char = $i + 1; | 
					
						
							|  |  |  | 				$this->_current_token = $token; | 
					
						
							|  |  |  | 				return 1; | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 			if ($i < ($formula_length - 2)) { | 
					
						
							|  |  |  | 				$this->_lookahead = $this->_formula{$i+2}; | 
					
						
							|  |  |  | 			} else { // if we run out of characters _lookahead becomes empty
 | 
					
						
							|  |  |  | 				$this->_lookahead = ''; | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			++$i; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		//die("Lexical error ".$this->_current_char);
 | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Checks if it's a valid token. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param mixed $token The token to check. | 
					
						
							|  |  |  | 	 * @return mixed       The checked token or false on failure | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _match($token) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		switch($token) { | 
					
						
							|  |  |  | 			case "+": | 
					
						
							|  |  |  | 			case "-": | 
					
						
							|  |  |  | 			case "*": | 
					
						
							|  |  |  | 			case "/": | 
					
						
							|  |  |  | 			case "(": | 
					
						
							|  |  |  | 			case ")": | 
					
						
							|  |  |  | 			case ",": | 
					
						
							|  |  |  | 			case ";": | 
					
						
							| 
									
										
										
										
											2010-11-05 22:13:41 +00:00
										 |  |  | 			case ">=": | 
					
						
							|  |  |  | 			case "<=": | 
					
						
							|  |  |  | 			case "=": | 
					
						
							|  |  |  | 			case "<>": | 
					
						
							|  |  |  | 			case "^": | 
					
						
							|  |  |  | 			case "&": | 
					
						
							|  |  |  | 			case "%": | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 				return $token; | 
					
						
							|  |  |  | 				break; | 
					
						
							|  |  |  | 			case ">": | 
					
						
							|  |  |  | 				if ($this->_lookahead == '=') { // it's a GE token
 | 
					
						
							|  |  |  | 					break; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				return $token; | 
					
						
							|  |  |  | 				break; | 
					
						
							|  |  |  | 			case "<": | 
					
						
							|  |  |  | 				// it's a LE or a NE token
 | 
					
						
							|  |  |  | 				if (($this->_lookahead == '=') or ($this->_lookahead == '>')) { | 
					
						
							|  |  |  | 					break; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				return $token; | 
					
						
							|  |  |  | 				break; | 
					
						
							|  |  |  | 			default: | 
					
						
							|  |  |  | 				// if it's a reference A1 or $A$1 or $A1 or A$1
 | 
					
						
							|  |  |  | 				if (preg_match('/^\$?[A-Ia-i]?[A-Za-z]\$?[0-9]+$/',$token) and | 
					
						
							|  |  |  | 				   !preg_match("/[0-9]/",$this->_lookahead) and | 
					
						
							|  |  |  | 				   ($this->_lookahead != ':') and ($this->_lookahead != '.') and | 
					
						
							|  |  |  | 				   ($this->_lookahead != '!')) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				// If it's an external reference (Sheet1!A1 or Sheet1:Sheet2!A1 or Sheet1!$A$1 or Sheet1:Sheet2!$A$1)
 | 
					
						
							|  |  |  | 				elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u",$token) and | 
					
						
							|  |  |  | 					   !preg_match("/[0-9]/",$this->_lookahead) and | 
					
						
							|  |  |  | 					   ($this->_lookahead != ':') and ($this->_lookahead != '.')) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				// If it's an external reference ('Sheet1'!A1 or 'Sheet1:Sheet2'!A1 or 'Sheet1'!$A$1 or 'Sheet1:Sheet2'!$A$1)
 | 
					
						
							|  |  |  | 				elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u",$token) and | 
					
						
							|  |  |  | 					   !preg_match("/[0-9]/",$this->_lookahead) and | 
					
						
							|  |  |  | 					   ($this->_lookahead != ':') and ($this->_lookahead != '.')) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				// if it's a range A1:A2 or $A$1:$A$2
 | 
					
						
							|  |  |  | 				elseif (preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+:(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+$/', $token) and | 
					
						
							|  |  |  | 					   !preg_match("/[0-9]/",$this->_lookahead)) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				// If it's an external range like Sheet1!A1:B2 or Sheet1:Sheet2!A1:B2 or Sheet1!$A$1:$B$2 or Sheet1:Sheet2!$A$1:$B$2
 | 
					
						
							|  |  |  | 				elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u",$token) and | 
					
						
							|  |  |  | 					   !preg_match("/[0-9]/",$this->_lookahead)) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				// If it's an external range like 'Sheet1'!A1:B2 or 'Sheet1:Sheet2'!A1:B2 or 'Sheet1'!$A$1:$B$2 or 'Sheet1:Sheet2'!$A$1:$B$2
 | 
					
						
							|  |  |  | 				elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u",$token) and | 
					
						
							|  |  |  | 					   !preg_match("/[0-9]/",$this->_lookahead)) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				// If it's a number (check that it's not a sheet name or range)
 | 
					
						
							|  |  |  | 				elseif (is_numeric($token) and | 
					
						
							|  |  |  | 						(!is_numeric($token.$this->_lookahead) or ($this->_lookahead == '')) and | 
					
						
							|  |  |  | 						($this->_lookahead != '!') and ($this->_lookahead != ':')) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				// If it's a string (of maximum 255 characters)
 | 
					
						
							| 
									
										
										
										
											2010-09-07 11:40:06 +00:00
										 |  |  | 				elseif (preg_match("/\"([^\"]|\"\"){0,255}\"/",$token) and $this->_lookahead != '"' and (substr_count($token, '"')%2 == 0)) | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  | 			    // If it's an error code
 | 
					
						
							|  |  |  | 			    elseif (preg_match("/^#[A-Z0\/]{3,5}[!?]{1}$/", $token) or $token == '#N/A') | 
					
						
							|  |  |  | 			    { | 
					
						
							|  |  |  | 			        return $token; | 
					
						
							|  |  |  | 			    } | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 				// if it's a function call
 | 
					
						
							|  |  |  | 				elseif (preg_match("/^[A-Z0-9\xc0-\xdc\.]+$/i",$token) and ($this->_lookahead == "(")) | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							| 
									
										
										
										
											2012-02-14 23:27:50 +00:00
										 |  |  | 				//	It's an argument of some description (e.g. a named range),
 | 
					
						
							|  |  |  | 				//		precise nature yet to be determined
 | 
					
						
							|  |  |  | 				elseif(substr($token,-1) == ')') { | 
					
						
							|  |  |  | 					return $token; | 
					
						
							|  |  |  | 				} | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 				return ''; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * The parsing method. It parses a formula. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access public | 
					
						
							|  |  |  | 	 * @param string $formula The formula to parse, without the initial equal | 
					
						
							|  |  |  | 	 *                        sign (=). | 
					
						
							|  |  |  | 	 * @return mixed true on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function parse($formula) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$this->_current_char = 0; | 
					
						
							|  |  |  | 		$this->_formula      = $formula; | 
					
						
							|  |  |  | 		$this->_lookahead    = isset($formula{1}) ? $formula{1} : ''; | 
					
						
							|  |  |  | 		$this->_advance(); | 
					
						
							|  |  |  | 		$this->_parse_tree   = $this->_condition(); | 
					
						
							|  |  |  | 		return true; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * It parses a condition. It assumes the following rule: | 
					
						
							|  |  |  | 	 * Cond -> Expr [(">" | "<") Expr] | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @return mixed The parsed ptg'd tree on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _condition() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$result = $this->_expression(); | 
					
						
							|  |  |  | 		if ($this->_current_token == "<") { | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgLT', $result, $result2); | 
					
						
							|  |  |  | 		} elseif ($this->_current_token == ">") { | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgGT', $result, $result2); | 
					
						
							|  |  |  | 		} elseif ($this->_current_token == "<=") { | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgLE', $result, $result2); | 
					
						
							|  |  |  | 		} elseif ($this->_current_token == ">=") { | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgGE', $result, $result2); | 
					
						
							|  |  |  | 		} elseif ($this->_current_token == "=") { | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgEQ', $result, $result2); | 
					
						
							|  |  |  | 		} elseif ($this->_current_token == "<>") { | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgNE', $result, $result2); | 
					
						
							| 
									
										
										
										
											2010-08-27 07:27:24 +00:00
										 |  |  | 		} elseif ($this->_current_token == "&") { | 
					
						
							|  |  |  | 		    $this->_advance(); | 
					
						
							|  |  |  | 		    $result2 = $this->_expression(); | 
					
						
							|  |  |  | 		    $result = $this->_createTree('ptgConcat', $result, $result2); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		} | 
					
						
							|  |  |  | 		return $result; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * It parses a expression. It assumes the following rule: | 
					
						
							|  |  |  | 	 * Expr -> Term [("+" | "-") Term] | 
					
						
							|  |  |  | 	 *      -> "string" | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  | 	 *      -> "-" Term : Negative value | 
					
						
							|  |  |  | 	 *      -> "+" Term : Positive value | 
					
						
							|  |  |  | 	 *      -> Error code | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @return mixed The parsed ptg'd tree on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _expression() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		// If it's a string return a string node
 | 
					
						
							| 
									
										
										
										
											2010-09-07 11:40:06 +00:00
										 |  |  | 		if (preg_match("/\"([^\"]|\"\"){0,255}\"/", $this->_current_token)) { | 
					
						
							| 
									
										
										
										
											2010-12-15 10:07:21 +00:00
										 |  |  | 			$tmp = str_replace('""', '"', $this->_current_token); | 
					
						
							|  |  |  | 			if (($tmp == '"') || ($tmp == '')) $tmp = '""';	//	Trap for "" that has been used for an empty string
 | 
					
						
							|  |  |  | 			$result = $this->_createTree($tmp, '', ''); | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  |         // If it's an error code
 | 
					
						
							|  |  |  |         } elseif (preg_match("/^#[A-Z0\/]{3,5}[!?]{1}$/", $this->_current_token) or $this->_current_token == '#N/A'){ | 
					
						
							|  |  |  | 		    $result = $this->_createTree($this->_current_token, 'ptgErr', ''); | 
					
						
							|  |  |  | 		    $this->_advance(); | 
					
						
							|  |  |  | 		    return $result; | 
					
						
							|  |  |  | 		// If it's a negative value
 | 
					
						
							|  |  |  |         } elseif ($this->_current_token == "-") { | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 			// catch "-" Term
 | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgUminus', $result2, ''); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							| 
									
										
										
										
											2010-08-27 13:37:26 +00:00
										 |  |  |         // If it's a positive value
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		} elseif ($this->_current_token == "+") { | 
					
						
							|  |  |  | 			// catch "+" Term
 | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			$result2 = $this->_expression(); | 
					
						
							|  |  |  | 			$result = $this->_createTree('ptgUplus', $result2, ''); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		$result = $this->_term(); | 
					
						
							|  |  |  | 		while (($this->_current_token == "+") or | 
					
						
							|  |  |  | 			   ($this->_current_token == "-") or | 
					
						
							|  |  |  | 			   ($this->_current_token == "^")) { | 
					
						
							|  |  |  | 		/**/ | 
					
						
							|  |  |  | 			if ($this->_current_token == "+") { | 
					
						
							|  |  |  | 				$this->_advance(); | 
					
						
							|  |  |  | 				$result2 = $this->_term(); | 
					
						
							|  |  |  | 				$result = $this->_createTree('ptgAdd', $result, $result2); | 
					
						
							|  |  |  | 			} elseif ($this->_current_token == "-") { | 
					
						
							|  |  |  | 				$this->_advance(); | 
					
						
							|  |  |  | 				$result2 = $this->_term(); | 
					
						
							|  |  |  | 				$result = $this->_createTree('ptgSub', $result, $result2); | 
					
						
							|  |  |  | 			} else { | 
					
						
							|  |  |  | 				$this->_advance(); | 
					
						
							|  |  |  | 				$result2 = $this->_term(); | 
					
						
							|  |  |  | 				$result = $this->_createTree('ptgPower', $result, $result2); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		return $result; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * This function just introduces a ptgParen element in the tree, so that Excel | 
					
						
							|  |  |  | 	 * doesn't get confused when working with a parenthesized formula afterwards. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @see _fact() | 
					
						
							|  |  |  | 	 * @return array The parsed ptg'd tree | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _parenthesizedExpression() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$result = $this->_createTree('ptgParen', $this->_expression(), ''); | 
					
						
							|  |  |  | 		return $result; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * It parses a term. It assumes the following rule: | 
					
						
							|  |  |  | 	 * Term -> Fact [("*" | "/") Fact] | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @return mixed The parsed ptg'd tree on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _term() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$result = $this->_fact(); | 
					
						
							|  |  |  | 		while (($this->_current_token == "*") or | 
					
						
							|  |  |  | 			   ($this->_current_token == "/")) { | 
					
						
							|  |  |  | 		/**/ | 
					
						
							|  |  |  | 			if ($this->_current_token == "*") { | 
					
						
							|  |  |  | 				$this->_advance(); | 
					
						
							|  |  |  | 				$result2 = $this->_fact(); | 
					
						
							|  |  |  | 				$result = $this->_createTree('ptgMul', $result, $result2); | 
					
						
							|  |  |  | 			} else { | 
					
						
							|  |  |  | 				$this->_advance(); | 
					
						
							|  |  |  | 				$result2 = $this->_fact(); | 
					
						
							|  |  |  | 				$result = $this->_createTree('ptgDiv', $result, $result2); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		return $result; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * It parses a factor. It assumes the following rule: | 
					
						
							|  |  |  | 	 * Fact -> ( Expr ) | 
					
						
							|  |  |  | 	 *       | CellRef | 
					
						
							|  |  |  | 	 *       | CellRange | 
					
						
							|  |  |  | 	 *       | Number | 
					
						
							|  |  |  | 	 *       | Function
 | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @return mixed The parsed ptg'd tree on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _fact() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		if ($this->_current_token == "(") { | 
					
						
							|  |  |  | 			$this->_advance();         // eat the "("
 | 
					
						
							|  |  |  | 			$result = $this->_parenthesizedExpression(); | 
					
						
							|  |  |  | 			if ($this->_current_token != ")") { | 
					
						
							|  |  |  | 				throw new Exception("')' token expected."); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			$this->_advance();         // eat the ")"
 | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// if it's a reference
 | 
					
						
							|  |  |  | 		if (preg_match('/^\$?[A-Ia-i]?[A-Za-z]\$?[0-9]+$/',$this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			$result = $this->_createTree($this->_current_token, '', ''); | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// If it's an external reference (Sheet1!A1 or Sheet1:Sheet2!A1 or Sheet1!$A$1 or Sheet1:Sheet2!$A$1)
 | 
					
						
							|  |  |  | 		elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u",$this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			$result = $this->_createTree($this->_current_token, '', ''); | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// If it's an external reference ('Sheet1'!A1 or 'Sheet1:Sheet2'!A1 or 'Sheet1'!$A$1 or 'Sheet1:Sheet2'!$A$1)
 | 
					
						
							|  |  |  | 		elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u",$this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			$result = $this->_createTree($this->_current_token, '', ''); | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// if it's a range A1:B2 or $A$1:$B$2
 | 
					
						
							|  |  |  | 		elseif (preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+:(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+$/',$this->_current_token) or | 
					
						
							|  |  |  | 				preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+\.\.(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+$/',$this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			// must be an error?
 | 
					
						
							|  |  |  | 			$result = $this->_createTree($this->_current_token, '', ''); | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// If it's an external range (Sheet1!A1:B2 or Sheet1:Sheet2!A1:B2 or Sheet1!$A$1:$B$2 or Sheet1:Sheet2!$A$1:$B$2)
 | 
					
						
							|  |  |  | 		elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u",$this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			// must be an error?
 | 
					
						
							|  |  |  | 			//$result = $this->_current_token;
 | 
					
						
							|  |  |  | 			$result = $this->_createTree($this->_current_token, '', ''); | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// If it's an external range ('Sheet1'!A1:B2 or 'Sheet1'!A1:B2 or 'Sheet1'!$A$1:$B$2 or 'Sheet1'!$A$1:$B$2)
 | 
					
						
							|  |  |  | 		elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u",$this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			// must be an error?
 | 
					
						
							|  |  |  | 			//$result = $this->_current_token;
 | 
					
						
							|  |  |  | 			$result = $this->_createTree($this->_current_token, '', ''); | 
					
						
							|  |  |  | 			$this->_advance(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							| 
									
										
										
										
											2010-09-01 12:10:59 +00:00
										 |  |  | 		// If it's a number or a percent
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		elseif (is_numeric($this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							| 
									
										
										
										
											2010-09-01 12:10:59 +00:00
										 |  |  | 		    if($this->_lookahead == '%'){ | 
					
						
							|  |  |  | 		        $result = $this->_createTree('ptgPercent', $this->_current_token, ''); | 
					
						
							|  |  |  | 		    } else { | 
					
						
							|  |  |  | 		        $result = $this->_createTree($this->_current_token, '', ''); | 
					
						
							|  |  |  | 		    } | 
					
						
							|  |  |  | 		    $this->_advance(); | 
					
						
							|  |  |  | 		    return $result; | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		} | 
					
						
							|  |  |  | 		// if it's a function call
 | 
					
						
							|  |  |  | 		elseif (preg_match("/^[A-Z0-9\xc0-\xdc\.]+$/i",$this->_current_token)) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			$result = $this->_func(); | 
					
						
							|  |  |  | 			return $result; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		throw new Exception("Syntax error: ".$this->_current_token. | 
					
						
							|  |  |  | 								 ", lookahead: ".$this->_lookahead. | 
					
						
							|  |  |  | 								 ", current char: ".$this->_current_char); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * It parses a function call. It assumes the following rule: | 
					
						
							|  |  |  | 	 * Func -> ( Expr [,Expr]* ) | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @return mixed The parsed ptg'd tree on success | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _func() | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$num_args = 0; // number of arguments received
 | 
					
						
							|  |  |  | 		$function = strtoupper($this->_current_token); | 
					
						
							|  |  |  | 		$result   = ''; // initialize result
 | 
					
						
							|  |  |  | 		$this->_advance(); | 
					
						
							|  |  |  | 		$this->_advance();         // eat the "("
 | 
					
						
							|  |  |  | 		while ($this->_current_token != ')') { | 
					
						
							|  |  |  | 		/**/ | 
					
						
							|  |  |  | 			if ($num_args > 0) { | 
					
						
							|  |  |  | 				if ($this->_current_token == "," or | 
					
						
							|  |  |  | 					$this->_current_token == ";") | 
					
						
							|  |  |  | 				{ | 
					
						
							|  |  |  | 					$this->_advance();  // eat the "," or ";"
 | 
					
						
							|  |  |  | 				} else { | 
					
						
							|  |  |  | 					throw new Exception("Syntax error: comma expected in ". | 
					
						
							|  |  |  | 									  "function $function, arg #{$num_args}"); | 
					
						
							|  |  |  | 				} | 
					
						
							|  |  |  | 				$result2 = $this->_condition(); | 
					
						
							|  |  |  | 				$result = $this->_createTree('arg', $result, $result2); | 
					
						
							|  |  |  | 			} else { // first argument
 | 
					
						
							|  |  |  | 				$result2 = $this->_condition(); | 
					
						
							|  |  |  | 				$result = $this->_createTree('arg', '', $result2); | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			++$num_args; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		if (!isset($this->_functions[$function])) { | 
					
						
							|  |  |  | 			throw new Exception("Function $function() doesn't exist"); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		$args = $this->_functions[$function][1]; | 
					
						
							|  |  |  | 		// If fixed number of args eg. TIME($i,$j,$k). Check that the number of args is valid.
 | 
					
						
							|  |  |  | 		if (($args >= 0) and ($args != $num_args)) { | 
					
						
							|  |  |  | 			throw new Exception("Incorrect number of arguments in function $function() "); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 		$result = $this->_createTree($function, $result, $num_args); | 
					
						
							|  |  |  | 		$this->_advance();         // eat the ")"
 | 
					
						
							|  |  |  | 		return $result; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Creates a tree. In fact an array which may have one or two arrays (sub-trees) | 
					
						
							|  |  |  | 	 * as elements. | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access private | 
					
						
							|  |  |  | 	 * @param mixed $value The value of this node. | 
					
						
							|  |  |  | 	 * @param mixed $left  The left array (sub-tree) or a final node. | 
					
						
							|  |  |  | 	 * @param mixed $right The right array (sub-tree) or a final node. | 
					
						
							|  |  |  | 	 * @return array A tree | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function _createTree($value, $left, $right) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		return array('value' => $value, 'left' => $left, 'right' => $right); | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 	/** | 
					
						
							|  |  |  | 	 * Builds a string containing the tree in reverse polish notation (What you | 
					
						
							|  |  |  | 	 * would use in a HP calculator stack). | 
					
						
							|  |  |  | 	 * The following tree: | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 *    + | 
					
						
							|  |  |  | 	 *   / \ | 
					
						
							|  |  |  | 	 *  2   3 | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * produces: "23+" | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * The following tree: | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 *    + | 
					
						
							|  |  |  | 	 *   / \ | 
					
						
							|  |  |  | 	 *  3   * | 
					
						
							|  |  |  | 	 *     / \ | 
					
						
							|  |  |  | 	 *    6   A1 | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * produces: "36A1*+" | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * In fact all operands, functions, references, etc... are written as ptg's | 
					
						
							|  |  |  | 	 * | 
					
						
							|  |  |  | 	 * @access public | 
					
						
							|  |  |  | 	 * @param array $tree The optional tree to convert. | 
					
						
							|  |  |  | 	 * @return string The tree in reverse polish notation | 
					
						
							|  |  |  | 	 */ | 
					
						
							|  |  |  | 	function toReversePolish($tree = array()) | 
					
						
							|  |  |  | 	{ | 
					
						
							|  |  |  | 		$polish = ""; // the string we are going to return
 | 
					
						
							|  |  |  | 		if (empty($tree)) { // If it's the first call use _parse_tree
 | 
					
						
							|  |  |  | 			$tree = $this->_parse_tree; | 
					
						
							|  |  |  | 		} | 
					
						
							| 
									
										
										
										
											2010-12-15 10:07:21 +00:00
										 |  |  | 
 | 
					
						
							| 
									
										
										
										
											2010-08-26 19:14:53 +00:00
										 |  |  | 		if (is_array($tree['left'])) { | 
					
						
							|  |  |  | 			$converted_tree = $this->toReversePolish($tree['left']); | 
					
						
							|  |  |  | 			$polish .= $converted_tree; | 
					
						
							|  |  |  | 		} elseif ($tree['left'] != '') { // It's a final node
 | 
					
						
							|  |  |  | 			$converted_tree = $this->_convert($tree['left']); | 
					
						
							|  |  |  | 			$polish .= $converted_tree; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		if (is_array($tree['right'])) { | 
					
						
							|  |  |  | 			$converted_tree = $this->toReversePolish($tree['right']); | 
					
						
							|  |  |  | 			$polish .= $converted_tree; | 
					
						
							|  |  |  | 		} elseif ($tree['right'] != '') { // It's a final node
 | 
					
						
							|  |  |  | 			$converted_tree = $this->_convert($tree['right']); | 
					
						
							|  |  |  | 			$polish .= $converted_tree; | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		// if it's a function convert it here (so we can set it's arguments)
 | 
					
						
							|  |  |  | 		if (preg_match("/^[A-Z0-9\xc0-\xdc\.]+$/",$tree['value']) and | 
					
						
							|  |  |  | 			!preg_match('/^([A-Ia-i]?[A-Za-z])(\d+)$/',$tree['value']) and | 
					
						
							|  |  |  | 			!preg_match("/^[A-Ia-i]?[A-Za-z](\d+)\.\.[A-Ia-i]?[A-Za-z](\d+)$/",$tree['value']) and | 
					
						
							|  |  |  | 			!is_numeric($tree['value']) and | 
					
						
							|  |  |  | 			!isset($this->ptg[$tree['value']])) | 
					
						
							|  |  |  | 		{ | 
					
						
							|  |  |  | 			// left subtree for a function is always an array.
 | 
					
						
							|  |  |  | 			if ($tree['left'] != '') { | 
					
						
							|  |  |  | 				$left_tree = $this->toReversePolish($tree['left']); | 
					
						
							|  |  |  | 			} else { | 
					
						
							|  |  |  | 				$left_tree = ''; | 
					
						
							|  |  |  | 			} | 
					
						
							|  |  |  | 			// add it's left subtree and return.
 | 
					
						
							|  |  |  | 			return $left_tree.$this->_convertFunction($tree['value'], $tree['right']); | 
					
						
							|  |  |  | 		} else { | 
					
						
							|  |  |  | 			$converted_tree = $this->_convert($tree['value']); | 
					
						
							|  |  |  | 		} | 
					
						
							|  |  |  | 		$polish .= $converted_tree; | 
					
						
							|  |  |  | 		return $polish; | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | } |