/*********************************************************************
*
* Copyright (C) 2007 Andrew Khan
*
* 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
***************************************************************************/
package jxl.biff.formula;
import jxl.biff.IntegerHelper;
/**
* Indicates that the function doesn't evaluate to a constant reference
*/
class MemArea extends SubExpression
{
/**
* Constructor
*/
public MemArea()
{
}
public void getString(StringBuffer buf)
{
ParseItem[] subExpression = getSubExpression();
if (subExpression.length == 1)
{
subExpression[0].getString(buf);
}
else if (subExpression.length == 2)
{
subExpression[1].getString(buf);
buf.append(':');
subExpression[0].getString(buf);
}
}
/**
* Reads the ptg data from the array starting at the specified position
*
* @param data the RPN array
* @param pos the current position in the array, excluding the ptg identifier
* @return the number of bytes read
*/
public int read(byte[] data, int pos)
{
// For mem areas, the first four bytes are not used
setLength(IntegerHelper.getInt(data[pos+4], data[pos+5]));
return 6;
}
/**
* If this formula was on an imported sheet, check that
* cell references to another sheet are warned appropriately
* Does nothing
*/
void handleImportedCellReferences()
{
}
}
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