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

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package org.unlaxer.tinyexpression.parser;

import java.util.Optional;

import org.unlaxer.Token;
import org.unlaxer.parser.Parser;
import org.unlaxer.parser.Parsers;
import org.unlaxer.tinyexpression.parser.javalang.JavaStyleDelimitedLazyChain;
import org.unlaxer.util.annotation.TokenExtractor;

public class StringPrefixedVariableParser extends JavaStyleDelimitedLazyChain implements StringExpression , VariableParser {

  private static final long serialVersionUID = -663588538210309122L;

  public StringPrefixedVariableParser() {
    super();
  }

  @Override
  public org.unlaxer.parser.Parsers getLazyParsers() {
    return new Parsers(//
        Parser.get(StringTypeHintPrefixParser.class), //0
        Parser.get(NakedVariableParser.class)//1
    );
  }
  
  @TokenExtractor
  static Token getVariableNameToken(Token thisParserParsed) {
    Token token = thisParserParsed.getChildWithParser(NakedVariableParser.class);
    return token;
  }

  @Override
  public Optional typeAsOptional() {
    return Optional.of(ExpressionType.string);
  }

}