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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352474 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew C. Oliver
parent
532added9f
commit
756c1f0a55
@ -60,14 +60,15 @@
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*/
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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/**
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*
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* @author andy
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*/
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public class AddPtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x03;
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@ -147,4 +148,10 @@ public class AddPtg
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public int getStringLength() {
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return 1;
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}
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public void manipulate(List source, List results, int pos) {
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standardBinaryManipulation(source,results,pos);
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}
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}
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@ -63,6 +63,8 @@ package org.apache.poi.hssf.record.formula;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.BitField;
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import java.util.List;
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/**
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* "Special Attributes"
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* This seems to be a Misc Stuff and Junk record. One function it serves is
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@ -71,8 +73,7 @@ import org.apache.poi.util.BitField;
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*/
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public class AttrPtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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public final static short sid = 0x19;
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private final static int SIZE = 4;
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@ -205,4 +206,9 @@ public class AttrPtg
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{
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return -1;
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}
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public void manipulate(List source, List results, int pos) {
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}
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}
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@ -60,14 +60,15 @@
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*/
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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/**
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*
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* @author andy
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*/
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public class DividePtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x06;
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@ -118,4 +119,8 @@ public class DividePtg
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buffer.append(operands[ 1 ].toFormulaString());
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return buffer.toString();
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}
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public void manipulate(List source, List results, int pos) {
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}
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}
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@ -60,17 +60,20 @@
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*/
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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/**
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*
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* @author andy
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*/
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public class MultiplyPtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x05;
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private final static String MULTIPLY="*";
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/** Creates new AddPtg */
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@ -83,6 +86,11 @@ public class MultiplyPtg
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// doesn't need anything
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}
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protected MultiplyPtg(String formula, int offset) {
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}
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public void writeBytes(byte [] array, int offset)
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{
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@ -104,6 +112,11 @@ public class MultiplyPtg
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return 2;
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}
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public int getStringLength() {
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return 1;
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}
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public String toFormulaString()
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{
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return "*";
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@ -118,4 +131,28 @@ public class MultiplyPtg
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buffer.append(operands[ 1 ].toFormulaString());
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return buffer.toString();
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}
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public void manipulate(List source, List results, int pos) {
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standardBinaryManipulation(source, results, pos);
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}
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public int getPrecedence() {
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return 3;
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}
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public static boolean isNextStringToken(String formula, int pos) {
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boolean retval = false;
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while (pos < formula.length() && Character.isWhitespace(formula.charAt(pos))) {
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pos++;
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}
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if (pos < formula.length()) {
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if (formula.charAt(pos) == MULTIPLY.toCharArray()[0]) {
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retval = true;
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}
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}
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return retval;
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}
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}
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@ -60,20 +60,31 @@
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*/
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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/**
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* defines a Ptg that is an operation instead of an operand
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* @author andy
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*/
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public interface OperationPtg
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public abstract class OperationPtg extends Ptg
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{
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public final static int TYPE_UNARY = 0;
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public final static int TYPE_BINARY = 1;
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public final static int TYPE_FUNCTION = 2;
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public int getType();
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public abstract int getType();
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public int getNumberOfOperands();
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public abstract int getNumberOfOperands();
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/**
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* manipulate the list, moving the arguments for this function to the source list
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* followed by the operator.
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*/
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public abstract void manipulate(List source, List results, int pos);
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public String toFormulaString(Ptg [] operands);
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public abstract String toFormulaString(Ptg [] operands);
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protected void standardBinaryManipulation(List source,List results, int pos) {
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}
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}
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@ -55,16 +55,18 @@
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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/**
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* Dummy class, we want it only for for the parsing process
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* does not actually get into the file -- note by andy...there is a parenthesis PTG
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* that can be written and is sometimes!
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*
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* Avik Sengupta <lists@aviksengupta.com>
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* Andrew C. Oliver (acoliver at apache dot org)
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*/
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public class ParenthesisPtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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@ -99,5 +101,9 @@ public class ParenthesisPtg
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{
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return "(";
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}
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public void manipulate(List source, List results, int pos) {
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}
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}
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@ -60,14 +60,15 @@
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*/
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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/**
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*
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* @author andy
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*/
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public class PowerPtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x07;
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@ -118,4 +119,8 @@ public class PowerPtg
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buffer.append(operands[ 0 ].toFormulaString());
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return buffer.toString();
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}
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public void manipulate(List source, List results, int pos) {
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}
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}
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@ -60,14 +60,15 @@
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*/
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package org.apache.poi.hssf.record.formula;
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import java.util.List;
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/**
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*
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* @author andy
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*/
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public class SubtractPtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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public final static int SIZE = 1;
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public final static byte sid = 0x04;
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@ -118,4 +119,9 @@ public class SubtractPtg
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buffer.append(operands[ 1 ].toFormulaString());
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return buffer.toString();
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}
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public void manipulate(List source, List results, int pos) {
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}
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}
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@ -63,14 +63,15 @@ package org.apache.poi.hssf.record.formula;
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import org.apache.poi.util.BitField;
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import org.apache.poi.util.LittleEndian;
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import java.util.List;
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/**
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* An excel function with variable number of value arguments.
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* @author andy
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*/
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public class ValueVariableFunctionPtg
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extends Ptg
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implements OperationPtg
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extends OperationPtg
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{
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public final static short sid = 0x42;
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private final static short SIZE = 4;
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@ -127,4 +128,8 @@ public class ValueVariableFunctionPtg
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{
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return toFormulaString();
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}
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public void manipulate(List source, List results, int pos) {
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}
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}
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