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Java > Open Source Codes > jxl > biff > formula > ParsedThing


1 /*********************************************************************
2 *
3 * Copyright (C) 2002 Andrew Khan
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ***************************************************************************/
19
20 package jxl.biff.formula;
21
22 /**
23  * An interface for an excel ptg
24  */
25 interface ParsedThing
26 {
27   /**
28    * Reads the ptg data from the array starting at the specified position
29    *
30    * @param data the RPN array
31    * @param pos the current position in the array, excluding the ptg identifier
32    * @return the number of bytes read
33    */
34   public int read(byte[] data, int pos) throws FormulaException;
35 }
36
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