Package ch.andre601.expressionparser.parsers

Class NegatedExpressionReader

java.lang.Object

ch.andre601.expressionparser.parsers.ValueReader

ch.andre601.expressionparser.parsers.NegatedExpressionReader

public class NegatedExpressionReader
extends ValueReader

ValueReader creating a negated ExpressionTemplate when the first token is the provided one.

Constructor Summary

Constructors

Constructor	Description
NegatedExpressionReader(Token negationToken)	Sets the Token that this ValueReader should look for.

Method Summary

Modifier and Type	Method	Description
ExpressionTemplate	read(ExpressionTemplateParser parser, List<Token> tokens, ParseWarnCollector collector)	Takes the first entry of the list of Tokens and returns a negated ExpressionTemplate if the retrieved token is the set negation Token, else null.

Methods inherited from class java.lang.Object

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

Constructor Details

NegatedExpressionReader

public NegatedExpressionReader(Token negationToken)

Sets the Token that this ValueReader should look for.

Parameters:

negationToken - Token this ValueReader should look for.

Method Details

read

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

Takes the first entry of the list of Tokens and returns a negated ExpressionTemplate if the retrieved token is the set negation Token, 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, negated ExpressionTemplate.