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TinyExpression implemented with Unlaxer
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package org.unlaxer.tinyexpression.parser;
import org.unlaxer.parser.Parser;
import org.unlaxer.parser.Parsers;
import org.unlaxer.parser.combinator.Chain;
import org.unlaxer.parser.combinator.ZeroOrOne;
import org.unlaxer.parser.elementary.WordParser;
import org.unlaxer.tinyexpression.parser.javalang.JavaStyleDelimitedLazyChain;
public class SliceParser extends JavaStyleDelimitedLazyChain implements StringExpression{
private static final long serialVersionUID = 5398027501329177390L;
public SliceParser() {
super();
}
@Override
public org.unlaxer.parser.Parsers getLazyParsers() {
return
// Slice:='['Expression?':'Expression?(':'Expression)?']';
new Parsers(
Parser.get(()->new WordParser("[")),
new ZeroOrOne(
NumberExpressionParser.class
),
Parser.get(()->new WordParser(":")),
new ZeroOrOne(
NumberExpressionParser.class
),
new ZeroOrOne(
new Chain(
Parser.get(()->new WordParser(":")),
Parser.get(NumberExpressionParser.class)
)
),
Parser.get(()->new WordParser("]"))
);
}
}