/* file: UnicodeLetter.java

Java 1.5 grammar for SableCC.

Copyright (C) 2006 by Etienne Gagnon.
All rights reserved.

This file is licensed under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance with the
License.  You should have received a copy of the License along with
This file in the file "AL20"; if not, you may obtain a copy of the
License at:

 http://www.apache.org/licenses/LICENSE-2.0

This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.  See the License
for the specific language governing permissions and limitations under
the License.

The SableCC web site is located at:
  http://sablecc.org
*/

public class UnicodeLetter 
{
    public static void main(String[] arguments) 
    {
        int begin = 0;
        int end = 0;
        boolean letter = false;
	
        for(int c = 0; c <= 65535; c++)
	    {
		if(letter)
		    {
			if(!isLetter(c))
			    {
				letter = false;
				print(begin, end);
			    }
			else
			    {
				end = c;
			    }
		    }
		else
		    {
			if(isLetter(c))
			    {
				letter = true;
				begin = end = c;
			    }
		    }
	    }
	
        if(letter)
	    {
		print(begin, end);
	    }
	
        System.out.println();
    }
    
    private static boolean isLetter(int i)
    {
        char c = (char) i;
	
        return Character.isLetter(c);
    }
    
    private static byte counter = 0;
    
    private static void print(int begin, int end)
    {
        if(counter == 0)
	    {
		System.out.print("\t\t");
	    }
	
        System.out.print("[0x" + hex(begin) + "..0x" + hex(end) + "] |");
	
        if(counter++ == 3)
	    {
		System.out.println();
		counter = 0;
	    }
        else
	    {
		System.out.print(" ");
	    }
    }
    
    private static String hex(int i)
    {
        String s = Integer.toHexString(i);
        for(int len = s.length(); len < 4; len++)
	    {
		s = "0" + s;
	    }
	
        return s;
    }
}