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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright (C) 1998-2004 Gerwin Klein <lsf@jflex.de> *
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* All rights reserved. *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License. See the file *
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* COPYRIGHT for more information. *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* You should have received a copy of the GNU General Public License along *
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* with this program; if not, write to the Free Software Foundation, Inc., *
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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package weka.core.parser.JFlex;
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* Stores a regular expression from the rules section of a JFlex specification.
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* This class provides storage for one Object of content.
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* It is used for all regular expressions that are constructed from one object.
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* For instance: a* is new RegExp1(sym.STAR, new Character ('a'));
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* @author Gerwin Klein
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* @version JFlex 1.4.1, $Revision: 1.1 $, $Date: 2008/05/09 09:14:10 $
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public class RegExp1 extends RegExp {
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* The child of this expression node in the syntax tree of a regular expression.
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* Constructs a new regular expression with one child object.
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* @param type a value from the cup generated class sym, defining the
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* kind of this regular expression
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* @param content the child of this expression
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public RegExp1(int type, Object content) {
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this.content = content;
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* Returns a String-representation of this regular expression
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* with the specified indentation.
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* @param tab a String that should contain only space characters and
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* that is inserted in front of standard String-representation
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public String print(String tab) {
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if (content instanceof RegExp) {
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return tab+"type = "+type+Out.NL+tab+"content :"+Out.NL+((RegExp)content).print(tab+" ");
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return tab+"type = "+type+Out.NL+tab+"content :"+Out.NL+tab+" "+content;
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* Returns a String-representation of this regular expression
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public String toString() {