623 lines
26 KiB
PHP
Executable File
623 lines
26 KiB
PHP
Executable File
<?php
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/*
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PARTLY BASED ON:
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Copyright (c) 2007 E. W. Bachtal, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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and associated documentation files (the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial
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portions of the Software.
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The software is provided "as is", without warranty of any kind, express or implied, including but not
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limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In
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no event shall the authors or copyright holders be liable for any claim, damages or other liability,
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whether in an action of contract, tort or otherwise, arising from, out of or in connection with the
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software or the use or other dealings in the software.
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http://ewbi.blogs.com/develops/2007/03/excel_formula_p.html
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http://ewbi.blogs.com/develops/2004/12/excel_formula_p.html
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*/
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/**
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* PHPExcel_Calculation_FormulaParser
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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_Calculation
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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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class PHPExcel_Calculation_FormulaParser
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{
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/* Character constants */
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const QUOTE_DOUBLE = '"';
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const QUOTE_SINGLE = '\'';
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const BRACKET_CLOSE = ']';
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const BRACKET_OPEN = '[';
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const BRACE_OPEN = '{';
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const BRACE_CLOSE = '}';
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const PAREN_OPEN = '(';
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const PAREN_CLOSE = ')';
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const SEMICOLON = ';';
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const WHITESPACE = ' ';
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const COMMA = ',';
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const ERROR_START = '#';
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const OPERATORS_SN = "+-";
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const OPERATORS_INFIX = "+-*/^&=><";
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const OPERATORS_POSTFIX = "%";
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/**
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* Formula
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*
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* @var string
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*/
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private $formula;
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/**
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* Tokens
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*
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* @var PHPExcel_Calculation_FormulaToken[]
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