- /** repeat zero or one times */
- public static Repeat maybe(Element e) { return new Repeat(e, true, false); }
- /** repeat zero or more times */
- public static Repeat many0(Element e) { return new Repeat(e, true, true); }
- /** repeat zero or more times, separated by <tt>sep</tt> */
- public static Repeat many0(Element e, Element sep) { return new Repeat(e, true, true, sep); }
- /** repeat one or more times */
- public static Repeat many1(Element e) { return new Repeat(e, false, true); }
- /** repeat one or more times, separated by <tt>sep</tt> */
- public static Repeat many1(Element e, Element sep) { return new Repeat(e, false, true, sep); }
-
- /** repeat zero or more times, matching a maximal sequence of atoms */
- public static Repeat maximal0(Element e) { return new Repeat(e, true, true, null, true); }
- /** repeat one or more times, matching a maximal sequence of atoms */
- public static Repeat maximal1(Element e) { return new Repeat(e, false, true, null, true); }
- /** repeat one or more times, separated by <tt>sep</tt>, matching a maximal sequence of atoms */
- public static Repeat maximal1(Element e, Element sep) { return new Repeat(e, false, true, sep, true); }
-
- // Instance //////////////////////////////////////////////////////////////////////////////
-
- final boolean zeroOkay, manyOkay;
- final Element e;
- final Element separator;
- final boolean maximal;
-
- Repeat(final Element e, boolean zeroOkay, boolean manyOkay) { this(e, zeroOkay, manyOkay, null); }
- Repeat(final Element e, boolean zeroOkay, boolean manyOkay, Element separator) { this(e, zeroOkay, manyOkay, separator, false); }
- Repeat(final Element e, boolean zeroOkay, boolean manyOkay, final Element separator, boolean maximal) {
- super(e+(!manyOkay ? "?" : (zeroOkay ? "*" : "+"))+(separator==null?"":("/"+separator.toString())), true);
- this.e = e;
- this.maximal = maximal;
- this.zeroOkay = zeroOkay;
- this.manyOkay = manyOkay;
- this.separator = separator;
- if (zeroOkay) {
+ public Repeat(final Element e, boolean zeroOkay, boolean manyOkay, Object tag) {
+ this(e, zeroOkay, manyOkay, null, false, tag); }
+ public Repeat(final Element e, boolean zeroOkay, boolean manyOkay, final Element separator, Object tag) {
+ this(e, zeroOkay, manyOkay, separator, false, tag); }
+ protected Repeat(final Element e, boolean zeroOkay, boolean manyOkay, final Element separator, boolean maximal, Object tag) {
+ super(e+(!manyOkay ? "?" : (zeroOkay ? (maximal ? "**" : "*") : (maximal ? "++" : "+")))+(separator==null?"":("/"+separator)), true);
+ if (zeroOkay && !manyOkay) {