/**
* =========================================
* LibFormula : a free Java formula library
* =========================================
*
* Project Info: http://reporting.pentaho.org/libformula/
*
* (C) Copyright 2006-2008, by Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
*
* ------------
* FormulaParsePosition.java
* ------------
*/
package org.pentaho.reporting.libraries.formula.demo;
import org.pentaho.reporting.libraries.formula.Formula;
import org.pentaho.reporting.libraries.formula.DefaultFormulaContext;
import org.pentaho.reporting.libraries.formula.EvaluationException;
import org.pentaho.reporting.libraries.formula.lvalues.LValue;
import org.pentaho.reporting.libraries.formula.parser.ParseException;
/**
* Todo: Document me!
*
* @author : Thomas Morgner
*/
public class FormulaParsePosition
{
public static void main(String[] args) throws EvaluationException, ParseException
{
final Formula f = new Formula("IF(NOT(TRUE()));\"Testing\"; \"Other\"");
// connects the parsed formula to the context. The context provides the
// operator and function implementations and resolves the references.
f.initialize(new DefaultFormulaContext());
final LValue rootReference = f.getRootReference();
print(rootReference, 0);
}
public static void print (LValue lValue, int level)
{
System.out.println (level + " " + lValue.getClass() + " " + lValue.getParsePosition());
final LValue[] lValues = lValue.getChildValues();
for (int i = 0; i < lValues.length; i++)
{
LValue value = lValues[i];
print (value, level +1);
}
}
}