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
BRACE_CLOSE
public
mixed
BRACE_CLOSE
= '}'
BRACE_OPEN
public
mixed
BRACE_OPEN
= '{'
BRACKET_CLOSE
public
mixed
BRACKET_CLOSE
= ']'
BRACKET_OPEN
public
mixed
BRACKET_OPEN
= '['
COMMA
public
mixed
COMMA
= ','
ERROR_START
public
mixed
ERROR_START
= '#'
OPERATORS_INFIX
public
mixed
OPERATORS_INFIX
= '+-*/^&=><'
OPERATORS_POSTFIX
public
mixed
OPERATORS_POSTFIX
= '%'
OPERATORS_SN
public
mixed
OPERATORS_SN
= '+-'
PAREN_CLOSE
public
mixed
PAREN_CLOSE
= ')'
PAREN_OPEN
public
mixed
PAREN_OPEN
= '('
QUOTE_DOUBLE
public
mixed
QUOTE_DOUBLE
= '"'
QUOTE_SINGLE
public
mixed
QUOTE_SINGLE
= '\''
SEMICOLON
public
mixed
SEMICOLON
= ';'
WHITESPACE
public
mixed
WHITESPACE
= ' '
Properties
$formula
Formula.
private
string
$formula
$tokens
Tokens.
private
array<string|int, FormulaToken>
$tokens
= []
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
stringgetToken()
Get Token.
public
getToken([int $id = 0 ]) : FormulaToken
Parameters
- $id : int = 0
-
Token id
Return values
FormulaTokengetTokenCount()
Get Token count.
public
getTokenCount() : int
Return values
intgetTokens()
Get Tokens.
public
getTokens() : array<string|int, FormulaToken>
Return values
array<string|int, FormulaToken>parseToTokens()
Parse to tokens.
private
parseToTokens() : void