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1531 lines
64 KiB
1531 lines
64 KiB
<?php |
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/** |
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* PHPExcel_Writer_Excel5_Parser |
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* |
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* Copyright (c) 2006 - 2015 PHPExcel |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* @category PHPExcel |
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* @package PHPExcel_Writer_Excel5 |
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) |
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
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* @version ##VERSION##, ##DATE## |
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*/ |
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// Original file header of PEAR::Spreadsheet_Excel_Writer_Parser (used as the base for this class): |
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// ----------------------------------------------------------------------------------------- |
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// * Class for parsing Excel formulas |
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// * |
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// * License Information: |
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// * |
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// * Spreadsheet_Excel_Writer: A library for generating Excel Spreadsheets |
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// * Copyright (c) 2002-2003 Xavier Noguer xnoguer@rezebra.com |
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// * |
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// * This library is free software; you can redistribute it and/or |
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// * modify it under the terms of the GNU Lesser General Public |
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// * License as published by the Free Software Foundation; either |
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// * version 2.1 of the License, or (at your option) any later version. |
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// * |
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// * This library is distributed in the hope that it will be useful, |
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// * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// * Lesser General Public License for more details. |
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// * |
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// * You should have received a copy of the GNU Lesser General Public |
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// * License along with this library; if not, write to the Free Software |
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// * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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// */ |
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class PHPExcel_Writer_Excel5_Parser |
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{ |
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/** Constants */ |
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// Sheet title in unquoted form |
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// Invalid sheet title characters cannot occur in the sheet title: |
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// *:/\?[] |
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// Moreover, there are valid sheet title characters that cannot occur in unquoted form (there may be more?) |
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// +-% '^&<>=,;#()"{} |
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const REGEX_SHEET_TITLE_UNQUOTED = '[^\*\:\/\\\\\?\[\]\+\-\% \\\'\^\&\<\>\=\,\;\#\(\)\"\{\}]+'; |
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// Sheet title in quoted form (without surrounding quotes) |
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// Invalid sheet title characters cannot occur in the sheet title: |
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// *:/\?[] (usual invalid sheet title characters) |
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// Single quote is represented as a pair '' |
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const REGEX_SHEET_TITLE_QUOTED = '(([^\*\:\/\\\\\?\[\]\\\'])+|(\\\'\\\')+)+'; |
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/** |
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* The index of the character we are currently looking at |
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* @var integer |
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*/ |
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public $currentCharacter; |
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/** |
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* The token we are working on. |
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* @var string |
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*/ |
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public $currentToken; |
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/** |
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* The formula to parse |
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* @var string |
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*/ |
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private $formula; |
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/** |
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* The character ahead of the current char |
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* @var string |
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*/ |
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public $lookAhead; |
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/** |
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* The parse tree to be generated |
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* @var string |
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*/ |
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private $parseTree; |
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/** |
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* Array of external sheets |
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* @var array |
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*/ |
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private $externalSheets; |
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/** |
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* Array of sheet references in the form of REF structures |
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* @var array |
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*/ |
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public $references; |
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/** |
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* The class constructor |
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* |
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*/ |
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public function __construct() |
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{ |
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$this->currentCharacter = 0; |
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$this->currentToken = ''; // The token we are working on. |
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$this->formula = ''; // The formula to parse. |
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$this->lookAhead = ''; // The character ahead of the current char. |
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$this->parseTree = ''; // The parse tree to be generated. |
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$this->initializeHashes(); // Initialize the hashes: ptg's and function's ptg's |
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$this->externalSheets = array(); |
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$this->references = array(); |
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} |
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/** |
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* Initialize the ptg and function hashes. |
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* |
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* @access private |
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*/ |
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private function initializeHashes() |
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{ |
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// The Excel ptg indices |
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$this->ptg = array( |
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'ptgExp' => 0x01, |
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'ptgTbl' => 0x02, |
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'ptgAdd' => 0x03, |
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'ptgSub' => 0x04, |
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'ptgMul' => 0x05, |
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'ptgDiv' => 0x06, |
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'ptgPower' => 0x07, |
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'ptgConcat' => 0x08, |
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'ptgLT' => 0x09, |
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'ptgLE' => 0x0A, |
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'ptgEQ' => 0x0B, |
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'ptgGE' => 0x0C, |
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'ptgGT' => 0x0D, |
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'ptgNE' => 0x0E, |
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'ptgIsect' => 0x0F, |
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'ptgUnion' => 0x10, |
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'ptgRange' => 0x11, |
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'ptgUplus' => 0x12, |
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'ptgUminus' => 0x13, |
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'ptgPercent' => 0x14, |
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'ptgParen' => 0x15, |
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'ptgMissArg' => 0x16, |
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'ptgStr' => 0x17, |
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'ptgAttr' => 0x19, |
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'ptgSheet' => 0x1A, |
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'ptgEndSheet' => 0x1B, |
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'ptgErr' => 0x1C, |
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'ptgBool' => 0x1D, |
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'ptgInt' => 0x1E, |
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'ptgNum' => 0x1F, |
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'ptgArray' => 0x20, |
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'ptgFunc' => 0x21, |
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'ptgFuncVar' => 0x22, |
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'ptgName' => 0x23, |
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'ptgRef' => 0x24, |
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'ptgArea' => 0x25, |
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'ptgMemArea' => 0x26, |
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'ptgMemErr' => 0x27, |
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'ptgMemNoMem' => 0x28, |
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'ptgMemFunc' => 0x29, |
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'ptgRefErr' => 0x2A, |
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'ptgAreaErr' => 0x2B, |
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'ptgRefN' => 0x2C, |
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'ptgAreaN' => 0x2D, |
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'ptgMemAreaN' => 0x2E, |
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'ptgMemNoMemN' => 0x2F, |
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'ptgNameX' => 0x39, |
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'ptgRef3d' => 0x3A, |
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'ptgArea3d' => 0x3B, |
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'ptgRefErr3d' => 0x3C, |
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'ptgAreaErr3d' => 0x3D, |
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'ptgArrayV' => 0x40, |
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'ptgFuncV' => 0x41, |
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'ptgFuncVarV' => 0x42, |
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'ptgNameV' => 0x43, |
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'ptgRefV' => 0x44, |
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'ptgAreaV' => 0x45, |
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'ptgMemAreaV' => 0x46, |
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'ptgMemErrV' => 0x47, |
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'ptgMemNoMemV' => 0x48, |
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'ptgMemFuncV' => 0x49, |
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'ptgRefErrV' => 0x4A, |
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'ptgAreaErrV' => 0x4B, |
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'ptgRefNV' => 0x4C, |
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'ptgAreaNV' => 0x4D, |
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'ptgMemAreaNV' => 0x4E, |
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'ptgMemNoMemN' => 0x4F, |
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'ptgFuncCEV' => 0x58, |
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'ptgNameXV' => 0x59, |
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'ptgRef3dV' => 0x5A, |
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'ptgArea3dV' => 0x5B, |
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'ptgRefErr3dV' => 0x5C, |
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'ptgAreaErr3d' => 0x5D, |
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'ptgArrayA' => 0x60, |
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'ptgFuncA' => 0x61, |
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'ptgFuncVarA' => 0x62, |
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'ptgNameA' => 0x63, |
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'ptgRefA' => 0x64, |
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'ptgAreaA' => 0x65, |
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'ptgMemAreaA' => 0x66, |
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'ptgMemErrA' => 0x67, |
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'ptgMemNoMemA' => 0x68, |
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'ptgMemFuncA' => 0x69, |
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'ptgRefErrA' => 0x6A, |
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'ptgAreaErrA' => 0x6B, |
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'ptgRefNA' => 0x6C, |
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'ptgAreaNA' => 0x6D, |
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'ptgMemAreaNA' => 0x6E, |
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'ptgMemNoMemN' => 0x6F, |
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'ptgFuncCEA' => 0x78, |
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'ptgNameXA' => 0x79, |
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'ptgRef3dA' => 0x7A, |
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'ptgArea3dA' => 0x7B, |
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'ptgRefErr3dA' => 0x7C, |
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'ptgAreaErr3d' => 0x7D |
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); |
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// Thanks to Michael Meeks and Gnumeric for the initial arg values. |
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// |
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// The following hash was generated by "function_locale.pl" in the distro. |
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// Refer to function_locale.pl for non-English function names. |
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// |
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// The array elements are as follow: |
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// ptg: The Excel function ptg code. |
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// args: The number of arguments that the function takes: |
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// >=0 is a fixed number of arguments. |
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// -1 is a variable number of arguments. |
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// class: The reference, value or array class of the function args. |
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// vol: The function is volatile. |
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// |
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$this->functions = array( |
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// function ptg args class vol |
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'COUNT' => array( 0, -1, 0, 0 ), |
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'IF' => array( 1, -1, 1, 0 ), |
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'ISNA' => array( 2, 1, 1, 0 ), |
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'ISERROR' => array( 3, 1, 1, 0 ), |
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'SUM' => array( 4, -1, 0, 0 ), |
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'AVERAGE' => array( 5, -1, 0, 0 ), |
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'MIN' => array( 6, -1, 0, 0 ), |
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'MAX' => array( 7, -1, 0, 0 ), |
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'ROW' => array( 8, -1, 0, 0 ), |
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'COLUMN' => array( 9, -1, 0, 0 ), |
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'NA' => array( 10, 0, 0, 0 ), |
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'NPV' => array( 11, -1, 1, 0 ), |
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'STDEV' => array( 12, -1, 0, 0 ), |
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'DOLLAR' => array( 13, -1, 1, 0 ), |
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'FIXED' => array( 14, -1, 1, 0 ), |
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'SIN' => array( 15, 1, 1, 0 ), |
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'COS' => array( 16, 1, 1, 0 ), |
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'TAN' => array( 17, 1, 1, 0 ), |
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'ATAN' => array( 18, 1, 1, 0 ), |
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'PI' => array( 19, 0, 1, 0 ), |
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'SQRT' => array( 20, 1, 1, 0 ), |
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'EXP' => array( 21, 1, 1, 0 ), |
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'LN' => array( 22, 1, 1, 0 ), |
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'LOG10' => array( 23, 1, 1, 0 ), |
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'ABS' => array( 24, 1, 1, 0 ), |
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'INT' => array( 25, 1, 1, 0 ), |
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'SIGN' => array( 26, 1, 1, 0 ), |
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'ROUND' => array( 27, 2, 1, 0 ), |
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'LOOKUP' => array( 28, -1, 0, 0 ), |
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'INDEX' => array( 29, -1, 0, 1 ), |
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'REPT' => array( 30, 2, 1, 0 ), |
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'MID' => array( 31, 3, 1, 0 ), |
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'LEN' => array( 32, 1, 1, 0 ), |
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'VALUE' => array( 33, 1, 1, 0 ), |
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'TRUE' => array( 34, 0, 1, 0 ), |
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'FALSE' => array( 35, 0, 1, 0 ), |
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'AND' => array( 36, -1, 0, 0 ), |
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'OR' => array( 37, -1, 0, 0 ), |
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'NOT' => array( 38, 1, 1, 0 ), |
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'MOD' => array( 39, 2, 1, 0 ), |
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'DCOUNT' => array( 40, 3, 0, 0 ), |
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'DSUM' => array( 41, 3, 0, 0 ), |
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'DAVERAGE' => array( 42, 3, 0, 0 ), |
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'DMIN' => array( 43, 3, 0, 0 ), |
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'DMAX' => array( 44, 3, 0, 0 ), |
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'DSTDEV' => array( 45, 3, 0, 0 ), |
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'VAR' => array( 46, -1, 0, 0 ), |
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'DVAR' => array( 47, 3, 0, 0 ), |
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'TEXT' => array( 48, 2, 1, 0 ), |
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'LINEST' => array( 49, -1, 0, 0 ), |
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'TREND' => array( 50, -1, 0, 0 ), |
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'LOGEST' => array( 51, -1, 0, 0 ), |
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'GROWTH' => array( 52, -1, 0, 0 ), |
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'PV' => array( 56, -1, 1, 0 ), |
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'FV' => array( 57, -1, 1, 0 ), |
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'NPER' => array( 58, -1, 1, 0 ), |
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'PMT' => array( 59, -1, 1, 0 ), |
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'RATE' => array( 60, -1, 1, 0 ), |
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'MIRR' => array( 61, 3, 0, 0 ), |
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'IRR' => array( 62, -1, 0, 0 ), |
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'RAND' => array( 63, 0, 1, 1 ), |
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'MATCH' => array( 64, -1, 0, 0 ), |
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'DATE' => array( 65, 3, 1, 0 ), |
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'TIME' => array( 66, 3, 1, 0 ), |
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'DAY' => array( 67, 1, 1, 0 ), |
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'MONTH' => array( 68, 1, 1, 0 ), |
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'YEAR' => array( 69, 1, 1, 0 ), |
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'WEEKDAY' => array( 70, -1, 1, 0 ), |
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'HOUR' => array( 71, 1, 1, 0 ), |
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'MINUTE' => array( 72, 1, 1, 0 ), |
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'SECOND' => array( 73, 1, 1, 0 ), |
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'NOW' => array( 74, 0, 1, 1 ), |
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'AREAS' => array( 75, 1, 0, 1 ), |
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'ROWS' => array( 76, 1, 0, 1 ), |
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'COLUMNS' => array( 77, 1, 0, 1 ), |
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'OFFSET' => array( 78, -1, 0, 1 ), |
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'SEARCH' => array( 82, -1, 1, 0 ), |
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'TRANSPOSE' => array( 83, 1, 1, 0 ), |
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'TYPE' => array( 86, 1, 1, 0 ), |
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'ATAN2' => array( 97, 2, 1, 0 ), |
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'ASIN' => array( 98, 1, 1, 0 ), |
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'ACOS' => array( 99, 1, 1, 0 ), |
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'CHOOSE' => array( 100, -1, 1, 0 ), |
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'HLOOKUP' => array( 101, -1, 0, 0 ), |
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'VLOOKUP' => array( 102, -1, 0, 0 ), |
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'ISREF' => array( 105, 1, 0, 0 ), |
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'LOG' => array( 109, -1, 1, 0 ), |
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'CHAR' => array( 111, 1, 1, 0 ), |
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'LOWER' => array( 112, 1, 1, 0 ), |
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'UPPER' => array( 113, 1, 1, 0 ), |
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'PROPER' => array( 114, 1, 1, 0 ), |
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'LEFT' => array( 115, -1, 1, 0 ), |
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'RIGHT' => array( 116, -1, 1, 0 ), |
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'EXACT' => array( 117, 2, 1, 0 ), |
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'TRIM' => array( 118, 1, 1, 0 ), |
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'REPLACE' => array( 119, 4, 1, 0 ), |
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'SUBSTITUTE' => array( 120, -1, 1, 0 ), |
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'CODE' => array( 121, 1, 1, 0 ), |
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'FIND' => array( 124, -1, 1, 0 ), |
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'CELL' => array( 125, -1, 0, 1 ), |
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'ISERR' => array( 126, 1, 1, 0 ), |
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'ISTEXT' => array( 127, 1, 1, 0 ), |
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'ISNUMBER' => array( 128, 1, 1, 0 ), |
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'ISBLANK' => array( 129, 1, 1, 0 ), |
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'T' => array( 130, 1, 0, 0 ), |
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'N' => array( 131, 1, 0, 0 ), |
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'DATEVALUE' => array( 140, 1, 1, 0 ), |
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'TIMEVALUE' => array( 141, 1, 1, 0 ), |
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'SLN' => array( 142, 3, 1, 0 ), |
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'SYD' => array( 143, 4, 1, 0 ), |
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'DDB' => array( 144, -1, 1, 0 ), |
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'INDIRECT' => array( 148, -1, 1, 1 ), |
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'CALL' => array( 150, -1, 1, 0 ), |
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'CLEAN' => array( 162, 1, 1, 0 ), |
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'MDETERM' => array( 163, 1, 2, 0 ), |
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'MINVERSE' => array( 164, 1, 2, 0 ), |
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'MMULT' => array( 165, 2, 2, 0 ), |
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'IPMT' => array( 167, -1, 1, 0 ), |
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'PPMT' => array( 168, -1, 1, 0 ), |
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'COUNTA' => array( 169, -1, 0, 0 ), |
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'PRODUCT' => array( 183, -1, 0, 0 ), |
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'FACT' => array( 184, 1, 1, 0 ), |
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'DPRODUCT' => array( 189, 3, 0, 0 ), |
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'ISNONTEXT' => array( 190, 1, 1, 0 ), |
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'STDEVP' => array( 193, -1, 0, 0 ), |
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'VARP' => array( 194, -1, 0, 0 ), |
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'DSTDEVP' => array( 195, 3, 0, 0 ), |
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'DVARP' => array( 196, 3, 0, 0 ), |
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'TRUNC' => array( 197, -1, 1, 0 ), |
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'ISLOGICAL' => array( 198, 1, 1, 0 ), |
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'DCOUNTA' => array( 199, 3, 0, 0 ), |
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'USDOLLAR' => array( 204, -1, 1, 0 ), |
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'FINDB' => array( 205, -1, 1, 0 ), |
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'SEARCHB' => array( 206, -1, 1, 0 ), |
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'REPLACEB' => array( 207, 4, 1, 0 ), |
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'LEFTB' => array( 208, -1, 1, 0 ), |
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'RIGHTB' => array( 209, -1, 1, 0 ), |
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'MIDB' => array( 210, 3, 1, 0 ), |
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'LENB' => array( 211, 1, 1, 0 ), |
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'ROUNDUP' => array( 212, 2, 1, 0 ), |
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'ROUNDDOWN' => array( 213, 2, 1, 0 ), |
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'ASC' => array( 214, 1, 1, 0 ), |
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'DBCS' => array( 215, 1, 1, 0 ), |
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'RANK' => array( 216, -1, 0, 0 ), |
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'ADDRESS' => array( 219, -1, 1, 0 ), |
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'DAYS360' => array( 220, -1, 1, 0 ), |
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'TODAY' => array( 221, 0, 1, 1 ), |
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'VDB' => array( 222, -1, 1, 0 ), |
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'MEDIAN' => array( 227, -1, 0, 0 ), |
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'SUMPRODUCT' => array( 228, -1, 2, 0 ), |
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'SINH' => array( 229, 1, 1, 0 ), |
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'COSH' => array( 230, 1, 1, 0 ), |
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'TANH' => array( 231, 1, 1, 0 ), |
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'ASINH' => array( 232, 1, 1, 0 ), |
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'ACOSH' => array( 233, 1, 1, 0 ), |
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'ATANH' => array( 234, 1, 1, 0 ), |
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'DGET' => array( 235, 3, 0, 0 ), |
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'INFO' => array( 244, 1, 1, 1 ), |
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'DB' => array( 247, -1, 1, 0 ), |
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'FREQUENCY' => array( 252, 2, 0, 0 ), |
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'ERROR.TYPE' => array( 261, 1, 1, 0 ), |
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'REGISTER.ID' => array( 267, -1, 1, 0 ), |
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'AVEDEV' => array( 269, -1, 0, 0 ), |
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'BETADIST' => array( 270, -1, 1, 0 ), |
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'GAMMALN' => array( 271, 1, 1, 0 ), |
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'BETAINV' => array( 272, -1, 1, 0 ), |
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'BINOMDIST' => array( 273, 4, 1, 0 ), |
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'CHIDIST' => array( 274, 2, 1, 0 ), |
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'CHIINV' => array( 275, 2, 1, 0 ), |
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'COMBIN' => array( 276, 2, 1, 0 ), |
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'CONFIDENCE' => array( 277, 3, 1, 0 ), |
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'CRITBINOM' => array( 278, 3, 1, 0 ), |
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'EVEN' => array( 279, 1, 1, 0 ), |
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'EXPONDIST' => array( 280, 3, 1, 0 ), |
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'FDIST' => array( 281, 3, 1, 0 ), |
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'FINV' => array( 282, 3, 1, 0 ), |
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'FISHER' => array( 283, 1, 1, 0 ), |
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'FISHERINV' => array( 284, 1, 1, 0 ), |
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'FLOOR' => array( 285, 2, 1, 0 ), |
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'GAMMADIST' => array( 286, 4, 1, 0 ), |
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'GAMMAINV' => array( 287, 3, 1, 0 ), |
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'CEILING' => array( 288, 2, 1, 0 ), |
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'HYPGEOMDIST' => array( 289, 4, 1, 0 ), |
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'LOGNORMDIST' => array( 290, 3, 1, 0 ), |
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'LOGINV' => array( 291, 3, 1, 0 ), |
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'NEGBINOMDIST' => array( 292, 3, 1, 0 ), |
|
'NORMDIST' => array( 293, 4, 1, 0 ), |
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'NORMSDIST' => array( 294, 1, 1, 0 ), |
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'NORMINV' => array( 295, 3, 1, 0 ), |
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'NORMSINV' => array( 296, 1, 1, 0 ), |
|
'STANDARDIZE' => array( 297, 3, 1, 0 ), |
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'ODD' => array( 298, 1, 1, 0 ), |
|
'PERMUT' => array( 299, 2, 1, 0 ), |
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'POISSON' => array( 300, 3, 1, 0 ), |
|
'TDIST' => array( 301, 3, 1, 0 ), |
|
'WEIBULL' => array( 302, 4, 1, 0 ), |
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'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 ), |
|
'BAHTTEXT' => array( 368, 1, 0, 0 ), |
|
); |
|
} |
|
|
|
/** |
|
* Convert a token to the proper ptg value. |
|
* |
|
* @access private |
|
* @param mixed $token The token to convert. |
|
* @return mixed the converted token on success |
|
*/ |
|
private function convert($token) |
|
{ |
|
if (preg_match("/\"([^\"]|\"\"){0,255}\"/", $token)) { |
|
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]); |
|
|
|
// match error codes |
|
} elseif (preg_match("/^#[A-Z0\/]{3,5}[!?]{1}$/", $token) or $token == '#N/A') { |
|
return $this->convertError($token); |
|
|
|
// 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 ''; |
|
} |
|
|
|
// TODO: use real error codes |
|
throw new PHPExcel_Writer_Exception("Unknown token $token"); |
|
} |
|
|
|
/** |
|
* Convert a number token to ptgInt or ptgNum |
|
* |
|
* @access private |
|
* @param mixed $num an integer or double for conversion to its ptg value |
|
*/ |
|
private function convertNumber($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 $string A string for conversion to its ptg value. |
|
* @return mixed the converted token on success |
|
*/ |
|
private function convertString($string) |
|
{ |
|
// chop away beggining and ending quotes |
|
$string = substr($string, 1, strlen($string) - 2); |
|
if (strlen($string) > 255) { |
|
throw new PHPExcel_Writer_Exception("String is too long"); |
|
} |
|
|
|
return pack('C', $this->ptg['ptgStr']) . PHPExcel_Shared_String::UTF8toBIFF8UnicodeShort($string); |
|
} |
|
|
|
/** |
|
* 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 $num_args The number of arguments the function receives. |
|
* @return string The packed ptg for the function |
|
*/ |
|
private function convertFunction($token, $num_args) |
|
{ |
|
$args = $this->functions[$token][1]; |
|
// $volatile = $this->functions[$token][3]; |
|
|
|
// 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 |
|
* @param string $range An Excel range in the A1:A2 |
|
* @param int $class |
|
*/ |
|
private function convertRange2d($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(':', $range); |
|
} else { |
|
// TODO: use real error codes |
|
throw new PHPExcel_Writer_Exception("Unknown range separator"); |
|
} |
|
|
|
// Convert the cell references |
|
list($row1, $col1) = $this->cellToPackedRowcol($cell1); |
|
list($row2, $col2) = $this->cellToPackedRowcol($cell2); |
|
|
|
// 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 PHPExcel_Writer_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 $token An Excel range in the Sheet1!A1:A2 format. |
|
* @return mixed The packed ptgArea3d token on success. |
|
*/ |
|
private function convertRange3d($token) |
|
{ |
|
// $class = 0; // formulas like Sheet1!$A$1:$A$2 in list type data validation need this class (0x3B) |
|
|
|
// Split the ref at the ! symbol |
|
list($ext_ref, $range) = explode('!', $token); |
|
|
|
// Convert the external reference part (different for BIFF8) |
|
$ext_ref = $this->getRefIndex($ext_ref); |
|
|
|
// 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+)$/", $cell1)) { |
|
list($row1, $col1) = $this->cellToPackedRowcol($cell1); |
|
list($row2, $col2) = $this->cellToPackedRowcol($cell2); |
|
} else { // It's a rows range (like 26:27) |
|
list($row1, $col1, $row2, $col2) = $this->rangeToPackedRange($cell1.':'.$cell2); |
|
} |
|
|
|
// The ptg value depends on the class of the ptg. |
|
// if ($class == 0) { |
|
$ptgArea = pack("C", $this->ptg['ptgArea3d']); |
|
// } elseif ($class == 1) { |
|
// $ptgArea = pack("C", $this->ptg['ptgArea3dV']); |
|
// } elseif ($class == 2) { |
|
// $ptgArea = pack("C", $this->ptg['ptgArea3dA']); |
|
// } else { |
|
// throw new PHPExcel_Writer_Exception("Unknown class $class"); |
|
// } |
|
|
|
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 $cell An Excel cell reference |
|
* @return string The cell in packed() format with the corresponding ptg |
|
*/ |
|
private function convertRef2d($cell) |
|
{ |
|
// $class = 2; // as far as I know, this is magick. |
|
|
|
// Convert the cell reference |
|
$cell_array = $this->cellToPackedRowcol($cell); |
|
list($row, $col) = $cell_array; |
|
|
|
// The ptg value depends on the class of the ptg. |
|
// if ($class == 0) { |
|
// $ptgRef = pack("C", $this->ptg['ptgRef']); |
|
// } elseif ($class == 1) { |
|
// $ptgRef = pack("C", $this->ptg['ptgRefV']); |
|
// } elseif ($class == 2) { |
|
$ptgRef = pack("C", $this->ptg['ptgRefA']); |
|
// } else { |
|
// // TODO: use real error codes |
|
// throw new PHPExcel_Writer_Exception("Unknown class $class"); |
|
// } |
|
return $ptgRef.$row.$col; |
|
} |
|
|
|
/** |
|
* Convert an Excel 3d reference such as "Sheet1!A1" or "Sheet1:Sheet2!A1" to a |
|
* ptgRef3d. |
|
* |
|
* @access private |
|
* @param string $cell An Excel cell reference |
|
* @return mixed The packed ptgRef3d token on success. |
|
*/ |
|
private function convertRef3d($cell) |
|
{ |
|
// $class = 2; // as far as I know, this is magick. |
|
|
|
// Split the ref at the ! symbol |
|
list($ext_ref, $cell) = explode('!', $cell); |
|
|
|
// Convert the external reference part (different for BIFF8) |
|
$ext_ref = $this->getRefIndex($ext_ref); |
|
|
|
// Convert the cell reference part |
|
list($row, $col) = $this->cellToPackedRowcol($cell); |
|
|
|
// The ptg value depends on the class of the ptg. |
|
// if ($class == 0) { |
|
// $ptgRef = pack("C", $this->ptg['ptgRef3d']); |
|
// } elseif ($class == 1) { |
|
// $ptgRef = pack("C", $this->ptg['ptgRef3dV']); |
|
// } elseif ($class == 2) { |
|
$ptgRef = pack("C", $this->ptg['ptgRef3dA']); |
|
// } else { |
|
// throw new PHPExcel_Writer_Exception("Unknown class $class"); |
|
// } |
|
|
|
return $ptgRef . $ext_ref. $row . $col; |
|
} |
|
|
|
/** |
|
* Convert an error code to a ptgErr |
|
* |
|
* @access private |
|
* @param string $errorCode The error code for conversion to its ptg value |
|
* @return string The error code ptgErr |
|
*/ |
|
private function convertError($errorCode) |
|
{ |
|
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); |
|
} |
|
|
|
/** |
|
* Convert the sheet name part of an external reference, for example "Sheet1" or |
|
* "Sheet1:Sheet2", to a packed structure. |
|
* |
|
* @access private |
|
* @param string $ext_ref The name of the external reference |
|
* @return string The reference index in packed() format |
|
*/ |
|
private function packExtRef($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 PHPExcel_Writer_Exception("Unknown sheet name $sheet_name1 in formula"); |
|
} |
|
$sheet2 = $this->getSheetIndex($sheet_name2); |
|
if ($sheet2 == -1) { |
|
throw new PHPExcel_Writer_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 PHPExcel_Writer_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 $ext_ref The name of the external reference |
|
* @return mixed The reference index in packed() format on success |
|
*/ |
|
private function getRefIndex($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 PHPExcel_Writer_Exception("Unknown sheet name $sheet_name1 in formula"); |
|
} |
|
$sheet2 = $this->getSheetIndex($sheet_name2); |
|
if ($sheet2 == -1) { |
|
throw new PHPExcel_Writer_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 PHPExcel_Writer_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); |
|
$totalreferences = count($this->references); |
|
$index = -1; |
|
for ($i = 0; $i < $totalreferences; ++$i) { |
|
if ($ref == $this->references[$i]) { |
|
$index = $i; |
|
break; |
|
} |
|
} |
|
// if REF was not found add it to references array |
|
if ($index == -1) { |
|
$this->references[$totalreferences] = $ref; |
|
$index = $totalreferences; |
|
} |
|
|
|
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. |
|
* |
|
* @access private |
|
* @param string $sheet_name Sheet name |
|
* @return integer The sheet index, -1 if the sheet was not found |
|
*/ |
|
private function getSheetIndex($sheet_name) |
|
{ |
|
if (!isset($this->externalSheets[$sheet_name])) { |
|
return -1; |
|
} else { |
|
return $this->externalSheets[$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 $index The index of the worksheet being added |
|
*/ |
|
public function setExtSheet($name, $index) |
|
{ |
|
$this->externalSheets[$name] = $index; |
|
} |
|
|
|
/** |
|
* pack() row and column into the required 3 or 4 byte format. |
|
* |
|
* @access private |
|
* @param string $cell The Excel cell reference to be packed |
|
* @return array Array containing the row and column in packed() format |
|
*/ |
|
private function cellToPackedRowcol($cell) |
|
{ |
|
$cell = strtoupper($cell); |
|
list($row, $col, $row_rel, $col_rel) = $this->cellToRowcol($cell); |
|
if ($col >= 256) { |
|
throw new PHPExcel_Writer_Exception("Column in: $cell greater than 255"); |
|
} |
|
if ($row >= 65536) { |
|
throw new PHPExcel_Writer_Exception("Row in: $cell greater than 65536 "); |
|
} |
|
|
|
// Set the high bits to indicate if row or col are relative. |
|
$col |= $col_rel << 14; |
|
$col |= $row_rel << 15; |
|
$col = pack('v', $col); |
|
|
|
$row = pack('v', $row); |
|
|
|
return array($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 $range The Excel range to be packed |
|
* @return array Array containing (row1,col1,row2,col2) in packed() format |
|
*/ |
|
private function rangeToPackedRange($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; |
|
$col2 = 65535; // FIXME: maximum possible value for Excel 5 (change this!!!) |
|
|
|
// FIXME: this changes for BIFF8 |
|
if (($row1 >= 65536) or ($row2 >= 65536)) { |
|
throw new PHPExcel_Writer_Exception("Row in: $range greater than 65536 "); |
|
} |
|
|
|
// Set the high bits to indicate if rows are relative. |
|
$col1 |= $row1_rel << 15; |
|
$col2 |= $row2_rel << 15; |
|
$col1 = pack('v', $col1); |
|
$col2 = pack('v', $col2); |
|
|
|
$row1 = pack('v', $row1); |
|
$row2 = pack('v', $row2); |
|
|
|
return array($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 $cell The Excel cell reference in A1 format. |
|
* @return array |
|
*/ |
|
private function cellToRowcol($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) { |
|
$col += (ord($col_ref{$i}) - 64) * pow(26, $expn); |
|
--$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 |
|
*/ |
|
private function advance() |
|
{ |
|
$i = $this->currentCharacter; |
|
$formula_length = strlen($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}; |
|
|
|
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->currentCharacter = $i + 1; |
|
$this->currentToken = $token; |
|
return 1; |
|
} |
|
|
|
if ($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->currentCharacter); |
|
} |
|
|
|
/** |
|
* Checks if it's a valid token. |
|
* |
|
* @access private |
|
* @param mixed $token The token to check. |
|
* @return mixed The checked token or false on failure |
|
*/ |
|
private function match($token) |
|
{ |
|
switch ($token) { |
|
case "+": |
|
case "-": |
|
case "*": |
|
case "/": |
|
case "(": |
|
case ")": |
|
case ",": |
|
case ";": |
|
case ">=": |
|
case "<=": |
|
case "=": |
|
case "<>": |
|
case "^": |
|
case "&": |
|
case "%": |
|
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 $token; |
|
} elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u", $token) and !preg_match("/[0-9]/", $this->lookAhead) and ($this->lookAhead != ':') and ($this->lookAhead != '.')) { |
|
// If it's an external reference (Sheet1!A1 or Sheet1:Sheet2!A1 or Sheet1!$A$1 or Sheet1:Sheet2!$A$1) |
|
return $token; |
|
} elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u", $token) and !preg_match("/[0-9]/", $this->lookAhead) and ($this->lookAhead != ':') and ($this->lookAhead != '.')) { |
|
// If it's an external reference ('Sheet1'!A1 or 'Sheet1:Sheet2'!A1 or 'Sheet1'!$A$1 or 'Sheet1:Sheet2'!$A$1) |
|
return $token; |
|
} elseif (preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+:(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+$/', $token) && !preg_match("/[0-9]/", $this->lookAhead)) { |
|
// if it's a range A1:A2 or $A$1:$A$2 |
|
return $token; |
|
} elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u", $token) and !preg_match("/[0-9]/", $this->lookAhead)) { |
|
// If it's an external range like Sheet1!A1:B2 or Sheet1:Sheet2!A1:B2 or Sheet1!$A$1:$B$2 or Sheet1:Sheet2!$A$1:$B$2 |
|
return $token; |
|
} elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u", $token) and !preg_match("/[0-9]/", $this->lookAhead)) { |
|
// If it's an external range like 'Sheet1'!A1:B2 or 'Sheet1:Sheet2'!A1:B2 or 'Sheet1'!$A$1:$B$2 or 'Sheet1:Sheet2'!$A$1:$B$2 |
|
return $token; |
|
} elseif (is_numeric($token) and (!is_numeric($token.$this->lookAhead) or ($this->lookAhead == '')) and ($this->lookAhead != '!') and ($this->lookAhead != ':')) { |
|
// If it's a number (check that it's not a sheet name or range) |
|
return $token; |
|
} elseif (preg_match("/\"([^\"]|\"\"){0,255}\"/", $token) and $this->lookAhead != '"' and (substr_count($token, '"')%2 == 0)) { |
|
// If it's a string (of maximum 255 characters) |
|
return $token; |
|
} elseif (preg_match("/^#[A-Z0\/]{3,5}[!?]{1}$/", $token) or $token == '#N/A') { |
|
// If it's an error code |
|
return $token; |
|
} elseif (preg_match("/^[A-Z0-9\xc0-\xdc\.]+$/i", $token) and ($this->lookAhead == "(")) { |
|
// if it's a function call |
|
return $token; |
|
} elseif (substr($token, -1) == ')') { |
|
// It's an argument of some description (e.g. a named range), |
|
// precise nature yet to be determined |
|
return $token; |
|
} |
|
return ''; |
|
} |
|
} |
|
|
|
/** |
|
* The parsing method. It parses a formula. |
|
* |
|
* @access public |
|
* @param string $formula The formula to parse, without the initial equal |
|
* sign (=). |
|
* @return mixed true on success |
|
*/ |
|
public function parse($formula) |
|
{ |
|
$this->currentCharacter = 0; |
|
$this->formula = $formula; |
|
$this->lookAhead = isset($formula{1}) ? $formula{1} : ''; |
|
$this->advance(); |
|
$this->parseTree = $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 |
|
*/ |
|
private function condition() |
|
{ |
|
$result = $this->expression(); |
|
if ($this->currentToken == "<") { |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgLT', $result, $result2); |
|
} elseif ($this->currentToken == ">") { |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgGT', $result, $result2); |
|
} elseif ($this->currentToken == "<=") { |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgLE', $result, $result2); |
|
} elseif ($this->currentToken == ">=") { |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgGE', $result, $result2); |
|
} elseif ($this->currentToken == "=") { |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgEQ', $result, $result2); |
|
} elseif ($this->currentToken == "<>") { |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgNE', $result, $result2); |
|
} elseif ($this->currentToken == "&") { |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgConcat', $result, $result2); |
|
} |
|
return $result; |
|
} |
|
|
|
/** |
|
* It parses a expression. It assumes the following rule: |
|
* Expr -> Term [("+" | "-") Term] |
|
* -> "string" |
|
* -> "-" Term : Negative value |
|
* -> "+" Term : Positive value |
|
* -> Error code |
|
* |
|
* @access private |
|
* @return mixed The parsed ptg'd tree on success |
|
*/ |
|
private function expression() |
|
{ |
|
// If it's a string return a string node |
|
if (preg_match("/\"([^\"]|\"\"){0,255}\"/", $this->currentToken)) { |
|
$tmp = str_replace('""', '"', $this->currentToken); |
|
if (($tmp == '"') || ($tmp == '')) { |
|
// Trap for "" that has been used for an empty string |
|
$tmp = '""'; |
|
} |
|
$result = $this->createTree($tmp, '', ''); |
|
$this->advance(); |
|
return $result; |
|
// If it's an error code |
|
} elseif (preg_match("/^#[A-Z0\/]{3,5}[!?]{1}$/", $this->currentToken) or $this->currentToken == '#N/A') { |
|
$result = $this->createTree($this->currentToken, 'ptgErr', ''); |
|
$this->advance(); |
|
return $result; |
|
// If it's a negative value |
|
} elseif ($this->currentToken == "-") { |
|
// catch "-" Term |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgUminus', $result2, ''); |
|
return $result; |
|
// If it's a positive value |
|
} elseif ($this->currentToken == "+") { |
|
// catch "+" Term |
|
$this->advance(); |
|
$result2 = $this->expression(); |
|
$result = $this->createTree('ptgUplus', $result2, ''); |
|
return $result; |
|
} |
|
$result = $this->term(); |
|
while (($this->currentToken == "+") or |
|
($this->currentToken == "-") or |
|
($this->currentToken == "^")) { |
|
/**/ |
|
if ($this->currentToken == "+") { |
|
$this->advance(); |
|
$result2 = $this->term(); |
|
$result = $this->createTree('ptgAdd', $result, $result2); |
|
} elseif ($this->currentToken == "-") { |
|
$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 |
|
*/ |
|
private 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 |
|
*/ |
|
private function term() |
|
{ |
|
$result = $this->fact(); |
|
while (($this->currentToken == "*") or |
|
($this->currentToken == "/")) { |
|
/**/ |
|
if ($this->currentToken == "*") { |
|
$this->advance(); |
|
$result2 = $this->fact(); |
|
$result = $this->createTree('ptgMul', $result, $result2); |
|
} else { |
|
$this->advance(); |
|
$result2 = $this->fact(); |
|
$result = $this->createTree('ptgDiv', $result, $result2); |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
/** |
|
* It parses a factor. It assumes the following rule: |
|
* Fact -> ( Expr ) |
|
* | CellRef |
|
* | CellRange |
|
* | Number |
|
* | Function |
|
* |
|
* @access private |
|
* @return mixed The parsed ptg'd tree on success |
|
*/ |
|
private function fact() |
|
{ |
|
if ($this->currentToken == "(") { |
|
$this->advance(); // eat the "(" |
|
$result = $this->parenthesizedExpression(); |
|
if ($this->currentToken != ")") { |
|
throw new PHPExcel_Writer_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->currentToken)) { |
|
$result = $this->createTree($this->currentToken, '', ''); |
|
$this->advance(); |
|
return $result; |
|
} elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u", $this->currentToken)) { |
|
// If it's an external reference (Sheet1!A1 or Sheet1:Sheet2!A1 or Sheet1!$A$1 or Sheet1:Sheet2!$A$1) |
|
$result = $this->createTree($this->currentToken, '', ''); |
|
$this->advance(); |
|
return $result; |
|
} elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?[A-Ia-i]?[A-Za-z]\\$?[0-9]+$/u", $this->currentToken)) { |
|
// If it's an external reference ('Sheet1'!A1 or 'Sheet1:Sheet2'!A1 or 'Sheet1'!$A$1 or 'Sheet1:Sheet2'!$A$1) |
|
$result = $this->createTree($this->currentToken, '', ''); |
|
$this->advance(); |
|
return $result; |
|
} elseif (preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+:(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+$/', $this->currentToken) or |
|
preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+\.\.(\$)?[A-Ia-i]?[A-Za-z](\$)?[0-9]+$/', $this->currentToken)) { |
|
// if it's a range A1:B2 or $A$1:$B$2 |
|
// must be an error? |
|
$result = $this->createTree($this->currentToken, '', ''); |
|
$this->advance(); |
|
return $result; |
|
} elseif (preg_match("/^" . self::REGEX_SHEET_TITLE_UNQUOTED . "(\:" . self::REGEX_SHEET_TITLE_UNQUOTED . ")?\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u", $this->currentToken)) { |
|
// If it's an external range (Sheet1!A1:B2 or Sheet1:Sheet2!A1:B2 or Sheet1!$A$1:$B$2 or Sheet1:Sheet2!$A$1:$B$2) |
|
// must be an error? |
|
//$result = $this->currentToken; |
|
$result = $this->createTree($this->currentToken, '', ''); |
|
$this->advance(); |
|
return $result; |
|
} elseif (preg_match("/^'" . self::REGEX_SHEET_TITLE_QUOTED . "(\:" . self::REGEX_SHEET_TITLE_QUOTED . ")?'\!\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+:\\$?([A-Ia-i]?[A-Za-z])?\\$?[0-9]+$/u", $this->currentToken)) { |
|
// If it's an external range ('Sheet1'!A1:B2 or 'Sheet1'!A1:B2 or 'Sheet1'!$A$1:$B$2 or 'Sheet1'!$A$1:$B$2) |
|
// must be an error? |
|
//$result = $this->currentToken; |
|
$result = $this->createTree($this->currentToken, '', ''); |
|
$this->advance(); |
|
return $result; |
|
} elseif (is_numeric($this->currentToken)) { |
|
// If it's a number or a percent |
|
if ($this->lookAhead == '%') { |
|
$result = $this->createTree('ptgPercent', $this->currentToken, ''); |
|
$this->advance(); // Skip the percentage operator once we've pre-built that tree |
|
} else { |
|
$result = $this->createTree($this->currentToken, '', ''); |
|
} |
|
$this->advance(); |
|
return $result; |
|
} elseif (preg_match("/^[A-Z0-9\xc0-\xdc\.]+$/i", $this->currentToken)) { |
|
// if it's a function call |
|
$result = $this->func(); |
|
return $result; |
|
} |
|
throw new PHPExcel_Writer_Exception("Syntax error: ".$this->currentToken.", lookahead: ".$this->lookAhead.", current char: ".$this->currentCharacter); |
|
} |
|
|
|
/** |
|
* It parses a function call. It assumes the following rule: |
|
* Func -> ( Expr [,Expr]* ) |
|
* |
|
* @access private |
|
* @return mixed The parsed ptg'd tree on success |
|
*/ |
|
private function func() |
|
{ |
|
$num_args = 0; // number of arguments received |
|
$function = strtoupper($this->currentToken); |
|
$result = ''; // initialize result |
|
$this->advance(); |
|
$this->advance(); // eat the "(" |
|
while ($this->currentToken != ')') { |
|
/**/ |
|
if ($num_args > 0) { |
|
if ($this->currentToken == "," || $this->currentToken == ";") { |
|
$this->advance(); // eat the "," or ";" |
|
} else { |
|
throw new PHPExcel_Writer_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 PHPExcel_Writer_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 PHPExcel_Writer_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 $right The right array (sub-tree) or a final node. |
|
* @return array A tree |
|
*/ |
|
private function createTree($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 $tree The optional tree to convert. |
|
* @return string The tree in reverse polish notation |
|
*/ |
|
public function toReversePolish($tree = array()) |
|
{ |
|
$polish = ""; // the string we are going to return |
|
if (empty($tree)) { // If it's the first call use parseTree |
|
$tree = $this->parseTree; |
|
} |
|
|
|
if (is_array($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; |
|
} |
|
}
|
|
|