org.unlaxer.tinyexpression.parser.NumberMatchExpressionParser Maven / Gradle / Ivy
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TinyExpression implemented with Unlaxer
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package org.unlaxer.tinyexpression.parser;
import org.unlaxer.Tag;
import org.unlaxer.Token;
import org.unlaxer.parser.Parser;
import org.unlaxer.parser.Parsers;
import org.unlaxer.parser.SuggestableParser;
import org.unlaxer.tinyexpression.parser.javalang.JavaStyleDelimitedLazyChain;
import org.unlaxer.util.annotation.TokenExtractor;
public class NumberMatchExpressionParser extends JavaStyleDelimitedLazyChain implements NumberExpression{
private static final long serialVersionUID = -9078041069929701034L;
public static Tag choiceTag= Tag.of("numberChoice");
public NumberMatchExpressionParser() {
super();
addTag(ExpressionTags.matchExpression.tag());
}
public static class MatchFuctionNameParser extends SuggestableParser{
private static final long serialVersionUID = -705291952548250790L;
public MatchFuctionNameParser() {
super(true, "match");
}
@Override
public String getSuggestString(String matchedString) {
return "{".concat(matchedString).concat("}");
}
}
@Override
public org.unlaxer.parser.Parsers getLazyParsers() {
return
//MatchExpression:='match{'CaseExpression,DefaultCaseFactor'}';
new Parsers(
Parser.get(MatchFuctionNameParser.class),
Parser.get(LeftCurlyBraceParser.class),
Parser.get(NumberCaseExpressionParser.class),//2
Parser.get(NumberDefaultCaseFactorParser.class),//3
Parser.get(RightCurlyBraceParser.class)
);
}
@TokenExtractor
public static Token getCaseExpression(Token thisParserParsed) {
return thisParserParsed.getChildWithParser(NumberCaseExpressionParser.class); //2
}
@TokenExtractor
public static Token getDefaultExpression(Token thisParserParsed) {
return thisParserParsed.getChildWithParser(NumberDefaultCaseFactorParser.class); //3
}
}