Documentation

FormulaParser
in package

PARTLY BASED ON: Copyright (c) 2007 E. W. Bachtal, Inc.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

The software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.

https://ewbi.blogs.com/develops/2007/03/excel_formula_p.html https://ewbi.blogs.com/develops/2004/12/excel_formula_p.html

Table of Contents

Constants

BRACE_CLOSE  = '}'
BRACE_OPEN  = '{'
BRACKET_CLOSE  = ']'
BRACKET_OPEN  = '['
COMMA  = ','
ERROR_START  = '#'
OPERATORS_INFIX  = '+-*/^&=><'
OPERATORS_POSTFIX  = '%'
OPERATORS_SN  = '+-'
PAREN_CLOSE  = ')'
PAREN_OPEN  = '('
QUOTE_DOUBLE  = '"'
QUOTE_SINGLE  = '\''
SEMICOLON  = ';'
WHITESPACE  = ' '

Properties

$formula  : string
Formula.
$tokens  : array<string|int, FormulaToken>
Tokens.

Methods

__construct()  : mixed
Create a new FormulaParser.
getFormula()  : string
Get Formula.
getToken()  : FormulaToken
Get Token.
getTokenCount()  : int
Get Token count.
getTokens()  : array<string|int, FormulaToken>
Get Tokens.
parseToTokens()  : void
Parse to tokens.

Constants

Properties

Methods

__construct()

Create a new FormulaParser.

public __construct([string|null $formula = '' ]) : mixed
Parameters
$formula : string|null = ''

Formula to parse

getFormula()

Get Formula.

public getFormula() : string
Return values
string

getTokenCount()

Get Token count.

public getTokenCount() : int
Return values
int

parseToTokens()

Parse to tokens.

private parseToTokens() : void 

        

        
    




    

    

                                

                

                                
    

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