Class ValueReader

java.lang.Object

ch.andre601.expressionparser.parsers.ValueReader

Direct Known Subclasses:

BooleanConstantReader, NegatedExpressionReader, NegatedNumberReader, NumberConstantReader, ParenthesisedExpressionReader, StringConstantReader

public abstract class ValueReader
extends Object

Abstract class used in other classes to create a ValueReader.
The Value reader goes through the collection of Tokens and tries to convert them into a ExpressionTemplate should the token match a specific one.

See Also:

• BooleanConstantReader
• NegatedExpressionReader
• NegatedNumberReader
• NumberConstantReader
• ParenthesisedExpressionReader
• StringConstantReader

Constructor Summary

Constructors

Constructor	Description
ValueReader()

Method Summary

Modifier and Type	Method	Description
abstract ExpressionTemplate	read(ExpressionTemplateParser parser, List<Token> tokens, ParseWarnCollector collector)	Method called by the ExpressionTemplateParser to convert a List of Token into a single ExpressionTemplate.

Methods inherited from class java.lang.Object

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

Constructor Details

ValueReader

public ValueReader()

Method Details

read

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

Method called by the ExpressionTemplateParser to convert a List of Token into a single ExpressionTemplate.

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.