// This file is copyrighted and is part of nzdis-oql package. 
// See the file LICENSE for copyright information and the terms and conditions for copying, distributing and modifications of nzdis-oql package.
// @copyright@

package nzdis.lang.oql.app;

/**/
import nzdis.lang.oql.node.Node;
import nzdis.lang.oql.TreeBuilder;
import java.io.FileReader;
import java.io.FileNotFoundException;

/**
 * Prints  on standard output back the ascii representation 
 * of the given OQL file. This is a toy class which demonstrates 
 * the use of ToAscii utility class.
 *
 *@author Mariusz Nowostawski
 *@version @version@ $Revision: 1.1 $
 */
public class ToAscii {

  public static void main(String[] arguments) {

    if(arguments.length != 1) {
      System.out.println("usage:");
      System.out.println("  java ToAscii filename");
      System.exit(1);
    }
    try{
      Node ast = TreeBuilder.getNode(new FileReader(arguments[0]), true);
      System.out.println(nzdis.lang.oql.ToAscii.toString(ast));
    }catch(Exception ex){
      ex.printStackTrace();
      return;
    }
  }
}