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/*
    This file is part of JLog.

    Created by Glendon Holst for Alan Mackworth and the 
    "Computational Intelligence: A Logical Approach" text.
    
    Copyright 1998, 2000, 2002 by University of British Columbia and 
    Alan Mackworth.
    
    This notice must remain in all files which belong to, or are derived 
    from JLog.
    
    Check  or 
     for further information
    about JLog, or to contact the authors.
     
    JLog 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 2 of the License, or
    (at your option) any later version.

    JLog 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 JLog; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    URLs:  or 
*/
//#########################################################################
//	pTokenizerTable
//#########################################################################

package ubc.cs.JLog.Parser;

import java.io.*;
import java.util.*;

/**
* Table for mapping input values to categories.  Used to process the next sequence
* of input characters that map to the same value. 
*  
* @author       Glendon Holst
* @version      %I%, %G%
*/
class pTokenizerTable
{ 
 protected int[] 		table;

 public final static int 		TOKEN_UNKNOWN = 0;
 public final static int 		TOKEN_EOL = 1;

 // token numbers equal or higher are treated like single characters
 public final static int 		TOKEN_SINGLE = 0xFF00;

 public 	pTokenizerTable()
 {
  table = new int[256];
  
  resetSyntax();
 };
 
 public void 		resetSyntax()
 {int 	i,max = table.length;
  
  for (i = 0; i < max; i++)
   table[i] = TOKEN_UNKNOWN;
   
  table[10] = TOKEN_EOL;
  table[13] = TOKEN_EOL;
 };

 public void 		setTokenType(int start,int end,int type)
 {int 	i;
 
  for (i = start; i <= end; i++)
   table[i] = type;
 };

 public void 		setTokenType(int pos,int type)
 {
  table[pos] = type;
 };
  
 // for use by Tokenize classes to read array only. 
 public int[] 	getTokenTable()
 {
  return table;
 };
};