content: package com.japisoft.dtdparser;
  
  /**
  This program is available under two licenses : 
  
  1. For non commercial usage : 
  
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  2. For commercial usage :
  
  You need to get a commercial license for source usage at : 
  
  http://www.editix.com/buy.html
  
  Copyright (c) 2018 Alexandre Brillant - JAPISOFT SARL - http://www.japisoft.com
  
  @author Alexandre Brillant - abrillant@japisoft.com
  @author JAPISOFT SARL - http://www.japisoft.com
  
  */
  class ParserElement {
  	/** Stop location */
  	public int stop = -1;
  	/** Character sopping the element */
  	public char token = 0;
  	public char occ = 0;
  	public String content = null;
  	public boolean literal = false;
  
  	public ParserElement() {
  	}
  
  	public boolean hasToken() {
  		return token != 0;
  	}
  
  	public static boolean isLiteral(char ch) {
  		return ch == '\'' || ch == '"';
  	}
  
  	public boolean isWord() {
  		return (content != null);
  	}
  
  	public static boolean isOperator(char ch) {
  		return ch == '?' || ch == '*' || ch == '+';
  	}
  
  	public static boolean isToken(char ch) {
  		return ch == '('
  			|| ch == ')'
  			|| ch == ','
  			|| ch == '|'
  			|| ch == '>'
  			|| ch == '%'
  			|| ch == ';'
  			|| isOperator(ch);
  	}
  
  }
  
  // ParserElement ends here
  