How to use

Quantifier

in

juzu.impl.router.regex

public static Quantifier zeroOrMore(Mode mode) {
 return new Quantifier(mode, 0, null);
}

public final int getMin() {
 return quantifier == null ? 1 : quantifier.getMin();
}

@Override
public String toString() {
 try {
  StringBuilder sb = new StringBuilder();
  toString(sb);
  return sb.toString();
 }
 catch (IOException e) {
  throw new AssertionError(e);
 }
}

public void testQuantifier() {
 new ParserTester("*").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("+").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("?").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.GREEDY));
 new ParserTester("*a").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("+a").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("?a").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.GREEDY));
 new ParserTester("*?").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.RELUCTANT));
 new ParserTester("+?").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.RELUCTANT));
 new ParserTester("??").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.RELUCTANT));
 new ParserTester("*+").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.POSSESSIVE));
 new ParserTester("++").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.POSSESSIVE));
 new ParserTester("?+").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.POSSESSIVE));
 new ParserTester("a").assertParseQuantifier(null);
 new ParserTester("").assertParseQuantifier(null);
 new ParserTester("{2}").assertParseQuantifier(Quantifier.exactly(Quantifier.Mode.GREEDY, 2));
 new ParserTester("{2,}").assertParseQuantifier(Quantifier.atLeast(Quantifier.Mode.GREEDY, 2));
 new ParserTester("{2,4}").assertParseQuantifier(Quantifier.between(Quantifier.Mode.GREEDY, 2, 4));
}

public void testQuantifier() {
 new ParserTester("*").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("+").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("?").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.GREEDY));
 new ParserTester("*a").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("+a").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.GREEDY));
 new ParserTester("?a").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.GREEDY));
 new ParserTester("*?").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.RELUCTANT));
 new ParserTester("+?").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.RELUCTANT));
 new ParserTester("??").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.RELUCTANT));
 new ParserTester("*+").assertParseQuantifier(Quantifier.zeroOrMore(Quantifier.Mode.POSSESSIVE));
 new ParserTester("++").assertParseQuantifier(Quantifier.oneOrMore(Quantifier.Mode.POSSESSIVE));
 new ParserTester("?+").assertParseQuantifier(Quantifier.onceOrNotAtAll(Quantifier.Mode.POSSESSIVE));
 new ParserTester("a").assertParseQuantifier(null);
 new ParserTester("").assertParseQuantifier(null);
 new ParserTester("{2}").assertParseQuantifier(Quantifier.exactly(Quantifier.Mode.GREEDY, 2));
 new ParserTester("{2,}").assertParseQuantifier(Quantifier.atLeast(Quantifier.Mode.GREEDY, 2));
 new ParserTester("{2,4}").assertParseQuantifier(Quantifier.between(Quantifier.Mode.GREEDY, 2, 4));
}

@Override
public String toString() {
 try {
  StringBuilder sb = new StringBuilder();
  toString(sb);
  return sb.toString();
 }
 catch (IOException e) {
  throw new AssertionError(e);
 }
}

public static Quantifier atLeast(Mode mode, int value) {
 return new Quantifier(mode, value, null);
}

public final int getMin() {
 return quantifier == null ? 1 : quantifier.getMin();
}

@Override
public final String toString() {
 StringBuilder sb = new StringBuilder();
 if (quantifier != null) {
  String q = quantifier.toString();
  sb.append('<').append(q).append('>');
  writeTo(sb);
  sb.append("</").append(q).append('>');
 }
 else {
  writeTo(sb);
 }
 return sb.toString();
}

public static Quantifier between(Mode mode, int min, int max) {
 return new Quantifier(mode, min, max);
}

@Override
public final String toString() {
 StringBuilder sb = new StringBuilder();
 if (quantifier != null) {
  String q = quantifier.toString();
  sb.append('<').append(q).append('>');
  writeTo(sb);
  sb.append("</").append(q).append('>');
 }
 else {
  writeTo(sb);
 }
 return sb.toString();
}

public static Quantifier oneOrMore(Mode mode) {
 return new Quantifier(mode, 1, null);
}

protected void visit(RENode.Assertion.Begin expr) throws IOException {
 appendable.append('^');
 if (expr.getQuantifier() != null) {
  expr.getQuantifier().toString(appendable);
 }
}

public static Quantifier atLeast(Mode mode, int value) {
 return new Quantifier(mode, value, null);
}

protected void visit(RENode.Any expr) throws IOException {
 appendable.append('.');
 if (expr.getQuantifier() != null) {
  expr.getQuantifier().toString(appendable);
 }
}

public static Quantifier exactly(Mode mode, int value) {
 return new Quantifier(mode, value, value);
}

protected void visit(RENode.Assertion.Begin expr) throws IOException {
 appendable.append('^');
 if (expr.getQuantifier() != null) {
  expr.getQuantifier().toString(appendable);
 }
}

public static Quantifier between(Mode mode, int min, int max) {
 return new Quantifier(mode, min, max);
}

protected void visit(RENode.Assertion.End expr) throws IOException {
 appendable.append('$');
 if (expr.getQuantifier() != null) {
  expr.getQuantifier().toString(appendable);
 }
}

public static Quantifier onceOrNotAtAll(Mode mode) {
 return new Quantifier(mode, 0, 1);
}