Class NumberConstantReader

java.lang.Object

ch.andre601.expressionparser.parsers.ValueReader

ch.andre601.expressionparser.parsers.NumberConstantReader

public class NumberConstantReader
extends ValueReader

ValueReader converting NumberToken into ExpressionTemplate instances.

Constructor Summary

Constructors

Constructor	Description
NumberConstantReader()

Method Summary

Modifier and Type	Method	Description
ExpressionTemplate	read(ExpressionTemplateParser parser, List<Token> tokens, ParseWarnCollector collector)	Takes the first token of the list of Tokens and returns a ConstantExpressionTemplate with its double value set from the retrieved Token, if it is a NumberToken, else null.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NumberConstantReader

public NumberConstantReader()

Method Details

read

public ExpressionTemplate read(ExpressionTemplateParser parser,
 List<Token> tokens,
 ParseWarnCollector collector)

Takes the first token of the list of Tokens and returns a ConstantExpressionTemplate with its double value set from the retrieved Token, if it is a NumberToken, else null.

Specified by:

read in class ValueReader

Parameters:

parser - ExpressionTemplateParser instance to use. The default ExpressionTemplateParser provides itself here.

tokens - List of tokens to parse into an ExpressionTemplate.

collector - ParseWarnCollector instance to use.

Returns:

Possibly-null ExpressionTemplate.