Synch up.

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 2002-04-23 23:56:46 +00:00
parent 532added9f
commit 756c1f0a55
9 changed files with 108 additions and 20 deletions

View File

@ -60,14 +60,15 @@
*/
package org.apache.poi.hssf.record.formula;
import java.util.List;
/**
*
* @author andy
*/
public class AddPtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
public final static int SIZE = 1;
public final static byte sid = 0x03;
@ -147,4 +148,10 @@ public class AddPtg
public int getStringLength() {
return 1;
}
public void manipulate(List source, List results, int pos) {
standardBinaryManipulation(source,results,pos);
}
}

View File

@ -63,6 +63,8 @@ package org.apache.poi.hssf.record.formula;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.BitField;
import java.util.List;
/**
* "Special Attributes"
* This seems to be a Misc Stuff and Junk record. One function it serves is
@ -71,8 +73,7 @@ import org.apache.poi.util.BitField;
*/
public class AttrPtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
public final static short sid = 0x19;
private final static int SIZE = 4;
@ -205,4 +206,9 @@ public class AttrPtg
{
return -1;
}
public void manipulate(List source, List results, int pos) {
}
}

View File

@ -60,14 +60,15 @@
*/
package org.apache.poi.hssf.record.formula;
import java.util.List;
/**
*
* @author andy
*/
public class DividePtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
public final static int SIZE = 1;
public final static byte sid = 0x06;
@ -118,4 +119,8 @@ public class DividePtg
buffer.append(operands[ 1 ].toFormulaString());
return buffer.toString();
}
public void manipulate(List source, List results, int pos) {
}
}

View File

@ -60,18 +60,21 @@
*/
package org.apache.poi.hssf.record.formula;
import java.util.List;
/**
*
* @author andy
*/
public class MultiplyPtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
public final static int SIZE = 1;
public final static byte sid = 0x05;
private final static String MULTIPLY="*";
/** Creates new AddPtg */
public MultiplyPtg()
@ -84,6 +87,11 @@ public class MultiplyPtg
// doesn't need anything
}
protected MultiplyPtg(String formula, int offset) {
}
public void writeBytes(byte [] array, int offset)
{
array[ offset + 0 ] = sid;
@ -104,6 +112,11 @@ public class MultiplyPtg
return 2;
}
public int getStringLength() {
return 1;
}
public String toFormulaString()
{
return "*";
@ -118,4 +131,28 @@ public class MultiplyPtg
buffer.append(operands[ 1 ].toFormulaString());
return buffer.toString();
}
public void manipulate(List source, List results, int pos) {
standardBinaryManipulation(source, results, pos);
}
public int getPrecedence() {
return 3;
}
public static boolean isNextStringToken(String formula, int pos) {
boolean retval = false;
while (pos < formula.length() && Character.isWhitespace(formula.charAt(pos))) {
pos++;
}
if (pos < formula.length()) {
if (formula.charAt(pos) == MULTIPLY.toCharArray()[0]) {
retval = true;
}
}
return retval;
}
}

View File

@ -60,20 +60,31 @@
*/
package org.apache.poi.hssf.record.formula;
import java.util.List;
/**
* defines a Ptg that is an operation instead of an operand
* @author andy
*/
public interface OperationPtg
public abstract class OperationPtg extends Ptg
{
public final static int TYPE_UNARY = 0;
public final static int TYPE_BINARY = 1;
public final static int TYPE_FUNCTION = 2;
public int getType();
public abstract int getType();
public int getNumberOfOperands();
public abstract int getNumberOfOperands();
public String toFormulaString(Ptg [] operands);
/**
* manipulate the list, moving the arguments for this function to the source list
* followed by the operator.
*/
public abstract void manipulate(List source, List results, int pos);
public abstract String toFormulaString(Ptg [] operands);
protected void standardBinaryManipulation(List source,List results, int pos) {
}
}

View File

@ -55,16 +55,18 @@
package org.apache.poi.hssf.record.formula;
import java.util.List;
/**
* Dummy class, we want it only for for the parsing process
* does not actually get into the file -- note by andy...there is a parenthesis PTG
* that can be written and is sometimes!
*
* Avik Sengupta <lists@aviksengupta.com>
* Andrew C. Oliver (acoliver at apache dot org)
*/
public class ParenthesisPtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
@ -99,5 +101,9 @@ public class ParenthesisPtg
{
return "(";
}
public void manipulate(List source, List results, int pos) {
}
}

View File

@ -60,14 +60,15 @@
*/
package org.apache.poi.hssf.record.formula;
import java.util.List;
/**
*
* @author andy
*/
public class PowerPtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
public final static int SIZE = 1;
public final static byte sid = 0x07;
@ -118,4 +119,8 @@ public class PowerPtg
buffer.append(operands[ 0 ].toFormulaString());
return buffer.toString();
}
public void manipulate(List source, List results, int pos) {
}
}

View File

@ -60,14 +60,15 @@
*/
package org.apache.poi.hssf.record.formula;
import java.util.List;
/**
*
* @author andy
*/
public class SubtractPtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
public final static int SIZE = 1;
public final static byte sid = 0x04;
@ -118,4 +119,9 @@ public class SubtractPtg
buffer.append(operands[ 1 ].toFormulaString());
return buffer.toString();
}
public void manipulate(List source, List results, int pos) {
}
}

View File

@ -63,14 +63,15 @@ package org.apache.poi.hssf.record.formula;
import org.apache.poi.util.BitField;
import org.apache.poi.util.LittleEndian;
import java.util.List;
/**
* An excel function with variable number of value arguments.
* @author andy
*/
public class ValueVariableFunctionPtg
extends Ptg
implements OperationPtg
extends OperationPtg
{
public final static short sid = 0x42;
private final static short SIZE = 4;
@ -127,4 +128,8 @@ public class ValueVariableFunctionPtg
{
return toFormulaString();
}
public void manipulate(List source, List results, int pos) {
}
}