1 /* ==================================================================== 2 * The Apache Software License, Version 1.1 3 * 4 * Copyright (c) 2002 The Apache Software Foundation. All rights 5 * reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * 3. The end-user documentation included with the redistribution, 20 * if any, must include the following acknowledgment: 21 * "This product includes software developed by the 22 * Apache Software Foundation (http://www.apache.org/)." 23 * Alternately, this acknowledgment may appear in the software itself, 24 * if and wherever such third-party acknowledgments normally appear. 25 * 26 * 4. The names "Apache" and "Apache Software Foundation" and 27 * "Apache POI" must not be used to endorse or promote products 28 * derived from this software without prior written permission. For 29 * written permission, please contact apache@apache.org. 30 * 31 * 5. Products derived from this software may not be called "Apache", 32 * "Apache POI", nor may "Apache" appear in their name, without 33 * prior written permission of the Apache Software Foundation. 34 * 35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 * ==================================================================== 48 * 49 * This software consists of voluntary contributions made by many 50 * individuals on behalf of the Apache Software Foundation. For more 51 * information on the Apache Software Foundation, please see 52 * <http://www.apache.org/>. 53 */ 54 55 /* 56 * Ptg.java 57 * 58 * Created on October 28, 2001, 6:30 PM 59 */ 60 package org.apache.poi.hssf.record.formula; 61 62 import org.apache.poi.util.LittleEndian; 63 import org.apache.poi.hssf.util.SheetReferences; 64 65 /** 66 * @author Glen Stampoultzis (glens at apache.org) 67 */ 68 public class MemFuncPtg extends ControlPtg 69 { 70 71 public final static byte sid = 0x29; 72 private short field_1_len_ref_subexpression = 0; 73 74 public MemFuncPtg() 75 { 76 //Required for clone methods 77 } 78 79 /**Creates new function pointer from a byte array 80 * usually called while reading an excel file. 81 */ 82 public MemFuncPtg( byte[] data, int offset ) 83 { 84 offset++; 85 field_1_len_ref_subexpression = LittleEndian.getShort( data, offset + 0 ); 86 } 87 88 public int getSize() 89 { 90 return 3; 91 } 92 93 public void writeBytes( byte[] array, int offset ) 94 { 95 array[offset + 0] = sid ; 96 LittleEndian.putShort( array, offset + 1, (short)field_1_len_ref_subexpression ); 97 } 98 99 public String toFormulaString( SheetReferences refs ) 100 { 101 return ""; 102 } 103 104 public byte getDefaultOperandClass() 105 { 106 return 0; 107 } 108 109 public int getNumberOfOperands() 110 { 111 return field_1_len_ref_subexpression; 112 } 113 114 public Object clone() 115 { 116 MemFuncPtg ptg = new MemFuncPtg(); 117 ptg.field_1_len_ref_subexpression = this.field_1_len_ref_subexpression; 118 return ptg; 119 } 120 121 public int getLenRefSubexpression() 122 { 123 return field_1_len_ref_subexpression; 124 } 125 126 public void setLenRefSubexpression(int len) 127 { 128 field_1_len_ref_subexpression = (short)len; 129 } 130 131 }