org.unlaxer.tinyexpression.parser.NakedVariableParser Maven / Gradle / Ivy

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package org.unlaxer.tinyexpression.parser;

import java.util.List;

import org.unlaxer.Name;
import org.unlaxer.Token;
import org.unlaxer.parser.Parser;
import org.unlaxer.parser.Parsers;
import org.unlaxer.parser.combinator.LazyChain;
import org.unlaxer.parser.combinator.OneOrMore;
import org.unlaxer.parser.posix.AlphabetNumericUnderScoreParser;

public class NakedVariableParser extends LazyChain {//implements Expression , BooleanExpression , StringExpression{

	private static final long serialVersionUID = -8533685205048474333L;

	public NakedVariableParser() {
		super();
	}

	public NakedVariableParser(Name name) {
		super(name);
	}
	
	List parsers;
	
	@Override
	public void initialize() {
		parsers = 
			new Parsers(
				Parser.get(DollarParser.class),
				new OneOrMore(
					Parser.get(AlphabetNumericUnderScoreParser.class)
				)
			);
	}

	@Override
	public List getLazyParsers() {
		return parsers; 
	}
	
	public static String getVariableName(Token thisParserParsed) {
    String variableName = thisParserParsed.tokenString.get().substring(1);
    return variableName; 
	}

}