| |
| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache POI" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache POI", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| /* |
| * ValueReferencePtg.java |
| * |
| * Created on November 21, 2001, 5:27 PM |
| */ |
| package org.apache.poi.hssf.record.formula; |
| |
| import org.apache.poi.util.LittleEndian; |
| import org.apache.poi.util.BitField; |
| |
| import org.apache.poi.hssf.util.CellReference; |
| import org.apache.poi.hssf.model.Workbook; |
| |
| /** |
| * ReferencePtg - handles references (such as A1, A2, IA4) |
| * @author Andrew C. Oliver (acoliver@apache.org) |
| * @author Jason Height (jheight at chariot dot net dot au) |
| */ |
| |
| public class ReferencePtg extends Ptg |
| { |
| private final static int SIZE = 5; |
| public final static byte sid = 0x24; |
| //public final static byte sid = 0x44; |
| private short field_1_row; |
| private short field_2_col; |
| private BitField rowRelative = new BitField(0x8000); |
| private BitField colRelative = new BitField(0x4000); |
| |
| private ReferencePtg() { |
| //Required for clone methods |
| } |
| |
| /** |
| * Takes in a String represnetation of a cell reference and fills out the |
| * numeric fields. |
| */ |
| public ReferencePtg(String cellref) { |
| CellReference c= new CellReference(cellref); |
| setRow((short) c.getRow()); |
| setColumn((short) c.getCol()); |
| setColRelative(!c.isColAbsolute()); |
| setRowRelative(!c.isRowAbsolute()); |
| } |
| |
| /** Creates new ValueReferencePtg */ |
| |
| public ReferencePtg(byte[] data, int offset) |
| { |
| offset++; // adjust for ptg |
| field_1_row = LittleEndian.getShort(data, offset + 0); |
| field_2_col = LittleEndian.getShort(data, offset + 2); |
| |
| } |
| |
| public String toString() |
| { |
| StringBuffer buffer = new StringBuffer("[ValueReferencePtg]\n"); |
| |
| buffer.append("row = ").append(getRow()).append("\n"); |
| buffer.append("col = ").append(getColumnRaw()).append("\n"); |
| buffer.append("rowrelative = ").append(isRowRelative()).append("\n"); |
| buffer.append("colrelative = ").append(isColRelative()).append("\n"); |
| return buffer.toString(); |
| } |
| |
| public void writeBytes(byte [] array, int offset) |
| { |
| array[offset] = (byte) (sid + ptgClass); |
| LittleEndian.putShort(array,offset+1,field_1_row); |
| LittleEndian.putShort(array,offset+3,field_2_col); |
| } |
| |
| public void setRow(short row) |
| { |
| field_1_row = row; |
| } |
| |
| public short getRow() |
| { |
| return field_1_row; |
| } |
| |
| public boolean isRowRelative() |
| { |
| return rowRelative.isSet(field_2_col); |
| } |
| |
| public void setRowRelative(boolean rel) { |
| field_2_col=rowRelative.setShortBoolean(field_2_col,rel); |
| } |
| |
| public boolean isColRelative() |
| { |
| return colRelative.isSet(field_2_col); |
| } |
| |
| public void setColRelative(boolean rel) { |
| field_2_col=colRelative.setShortBoolean(field_2_col,rel); |
| } |
| |
| public void setColumnRaw(short col) |
| { |
| field_2_col = col; |
| } |
| |
| public short getColumnRaw() |
| { |
| return field_2_col; |
| } |
| |
| public void setColumn(short col) |
| { |
| field_2_col = col; // fix this |
| } |
| |
| public short getColumn() |
| { |
| return rowRelative.setShortBoolean(colRelative.setShortBoolean(field_2_col,false),false); |
| } |
| |
| public int getSize() |
| { |
| return SIZE; |
| } |
| |
| public String toFormulaString(Workbook book) |
| { |
| //TODO -- should we store a cellreference instance in this ptg?? but .. memory is an issue, i believe! |
| return (new CellReference(getRow(),getColumn(),!isRowRelative(),!isColRelative())).toString(); |
| } |
| |
| public byte getDefaultOperandClass() { |
| return Ptg.CLASS_REF; |
| } |
| |
| public Object clone() { |
| ReferencePtg ptg = new ReferencePtg(); |
| ptg.field_1_row = field_1_row; |
| ptg.field_2_col = field_2_col; |
| ptg.setClass(ptgClass); |
| return ptg; |
| } |
| } |